WO2008148290A1 - Robinet d'eau à température constante à fonction d'ajustement de mélange - Google Patents

Robinet d'eau à température constante à fonction d'ajustement de mélange Download PDF

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Publication number
WO2008148290A1
WO2008148290A1 PCT/CN2008/000804 CN2008000804W WO2008148290A1 WO 2008148290 A1 WO2008148290 A1 WO 2008148290A1 CN 2008000804 W CN2008000804 W CN 2008000804W WO 2008148290 A1 WO2008148290 A1 WO 2008148290A1
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WO
WIPO (PCT)
Prior art keywords
water
temperature
mixing
regulating
water pipe
Prior art date
Application number
PCT/CN2008/000804
Other languages
English (en)
Chinese (zh)
Inventor
Zhaokeng Pan
Original Assignee
Zhaokeng Pan
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 Zhaokeng Pan filed Critical Zhaokeng Pan
Publication of WO2008148290A1 publication Critical patent/WO2008148290A1/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1393—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures characterised by the use of electric means

Definitions

  • the present invention relates to the field of liquid temperature regulating valves, and more particularly to a mixing regulating thermostatic water valve for controlling the temperature of a mixed liquid by randomly adjusting the mixing ratio of liquids at different temperatures.
  • the Chinese Patent Gazette discloses a hybrid regulating valve whose invention name is "Rotor-type liquid temperature mixing regulating valve” and authorized bulletin number “CN2348217Y”.
  • the mixing regulating valve uses an adjusting block to swing between the end faces of the cold and hot water inlets.
  • the method can effectively prevent the accumulation of hot water scale and affect the work and even cause the failure phenomenon, and solve the problem of scale accumulation of the electronically controlled thermostatic water valve.
  • With the rotor type electromagnet it is possible to quickly adjust the ratio of cold and hot water in a certain range to achieve the purpose of temperature adjustment.
  • the adjustment block in the above technical solution is a single block structure, which is inevitably an integral rigid part.
  • the water temperature adjusting block and the adjusting wide mouth are the same as the rigid structure.
  • the end face of the water pipe outlet is in close contact, it always maintains close contact and achieves the effect of approaching the seal. Therefore, even if the manufacturing cost is increased, it is difficult to adjust when the preset temperature is close to the temperature of the cold water or hot water, and the result is that the general water temperature and the temperature are advanced.
  • the minimum temperature difference of water temperature is above 2-3 °C, which will cause energy waste in practical applications, especially for small storage water heaters, which will be equivalent to the effective storage volume.
  • a check valve must be installed to avoid turbulence between the two.
  • the rotor type electromagnet is used as the rotating drive element, its speed is too fast, which may cause instantaneous overshoot, and the effluent water temperature is unstable.
  • the swing angle is inversely proportional to the torque, that is, the swing angle is large, the torque is small, and the swing angle is small. The torque is large. When the swing angle is small, the adjustment flow is limited.
  • the above patent does not have a special mixing chamber after the cold and hot water enter the valve casing. Since the water flow rate from the regulating port is sometimes as high as ten meters per second, the cold and hot water flow over a distance of 60 mm or more. Only when the temperature sensor is too close to the cold or hot water port, the temperature of the water detected by the temperature sensor is different from that of the cold and hot water, so that the temperature control of the water can not be achieved. If the temperature sensor is far from the cold and hot water ports, the volume of the valve body is relatively large. Summary of the invention
  • the object of the present invention is to provide a hybrid regulating thermostatic water valve with relatively low processing precision requirements, convenient assembly, and a preset water temperature which can be close to or even zero temperature difference between cold water or hot water inlet water.
  • the pressure difference between cold and hot water is relatively large, the temperature can be stably adjusted in the case of a small discharge flow, and the volume is small, and the flow rate of the regulated water flow is large.
  • a hybrid regulating thermostatic water valve comprising a valve body, a water temperature adjusting block disposed in the wide body, a rotary drive disposed outside the valve body and configured to drive the water temperature adjusting block to swing, a temperature sensor for detecting the temperature of the water and a thermostat controller for receiving the temperature sensing signal of the temperature sensor and sending a control signal to the rotary actuator, wherein the left and right sides of the wide body are respectively provided with coaxial cold water pipes and hot water pipes.
  • the valve body is further provided with a mixing water pipe.
  • the central axis of the mixing water pipe is perpendicular to the central axis of the cold water pipe and the hot water pipe, and the cold water pipe, the hot water pipe and the mixed water pipe penetrate each other and form an inner cavity in the valve body, and the water temperature adjusting block is arranged.
  • the hot water regulating port of the hot water pipe and the cold water regulating port of the cold water pipe are swung, and the output shaft of the rotary drive is sealed through the circular hole of the valve body wall and the water temperature is adjusted.
  • a pendulum fixed connection of the block wherein a water mixing chamber between the water temperature regulating block and the mixing water pipe is disposed in the inner cavity, and two of the water temperature adjusting blocks are Bonding surfaces are provided with means for adjusting the soft cold and hot water port seal opening adjustment.
  • the rotary drive is a DC gear motor or a stepping motor.
  • the water temperature adjusting block is a reverse cone or a wedge shape.
  • the water outlet of the mixing water pipe is provided with a flow guiding portion partially closing the water outlet, wherein the inner cavity is provided with a mixed flow partition between the water temperature adjusting block and the flow guiding portion, and the mixed flow partition and the mixed flow partition
  • the inner wall of the inner cavity jointly forms a flow guiding hole on one side of the flow guiding portion, and a mixed water chamber is formed between the mixed flow partition plate and the flow guiding portion, and the water flowing into the inner cavity by the cold water pipe and the hot water pipe is mixed flow partitioning plate After being guided to the diversion hole, it flows into the mixing chamber and then flows into the mixing water pipe.
  • At least one spoiler is vertically mounted on the side of the mixed flow partition facing the water mixing chamber.
  • a rubber seal ring is disposed between the output shaft of the rotary actuator and the circular hole provided in the valve body wall.
  • the rotary drive is provided with a positioning ring concentric with the output shaft.
  • the maximum swing angle of the water temperature adjusting block ranges from 12° to 45°.
  • the temperature sensor is sealed and mounted on the valve body through a rubber gasket.
  • the temperature sensing head of the temperature sensor is disposed in the mixing water pipe.
  • the temperature sensing head of the temperature sensor is disposed in the water mixing chamber and located at a position opposite to the air guiding port.
  • two spoilers are vertically arranged on the side of the mixed flow partition facing the water mixing chamber, and the temperature sensor of the temperature sensor is disposed in the water mixing chamber and located in two blocks. Between the spoilers.
  • the mixing water pipe 7 When the mixing water pipe 7 is turned on, the cold water pipe 1 and the hot water pipe 10 respectively have cold and hot water flowing into the inner cavity 13 of the wide body 14, and after mixing, flow through the temperature sensing head of the temperature sensor 6, when the water is discharged
  • the water temperature adjusting block 8 When the temperature is higher than the preset temperature, the water temperature adjusting block 8 is swung by the rotary actuator 12 to the hot water regulating port 11 until the ratio of the cold water and the hot water is just equal to the temperature of the mixed water and the preset temperature.
  • the water temperature adjusting block 8 When the temperature of the mixed water is still higher than the preset temperature, the water temperature adjusting block 8 continues to swing toward the hot water regulating port 11 until the rubber gasket 9 completely closes the hot water regulating port 11, and the outlet water temperature is equal to the cold water inlet temperature. That is, when the temperature difference is zero; on the contrary, when the mixed water temperature is lower than the preset temperature, the water temperature adjusting block 8 swings to the cold water regulating port 2, and the adjustment process is continuous and automatic until the rubber gasket 3 is pressed against the cold water regulating port 2, and the cold water is put It is completely closed, and the outlet water temperature is equal to the hot water inlet temperature.
  • the mixing water pipe 7 When the mixing water pipe 7 is turned off, such as when there is a pressure difference between the water flows in the cold and hot water pipes 1, 10, the flowing water flow between the cold and hot water pipes 1, 10 causes the water temperature and the temperature sensed by the temperature sensor 6 to be preset. If the temperature does not match, the final water temperature adjustment block 8 will completely seal the cold water regulating port 2 or the hot water regulating port 11, that is, the cold water or the hot water inlet does not add a check valve, and the cold water and hot water will not be used.
  • the cavities 13 are turbulent in each other.
  • the swing angle and the torque of the water temperature adjusting block 8 can be increased, that is, the diameter of the cold and hot water regulating ports can be increased to increase the regulating flow rate, and can be cooled, Use when the hot water pressure difference is large. Since the spoiler in the mixing chamber 15 can make the cold and hot water mix well in the mixing chamber 15, the temperature sensing head of the temperature sensor 6 can be installed in the mixing chamber 15, compared to the water temperature adjusting block. The body volume of the valve body can be made small in the case where the length of the water mixing pipe 7 between the temperature sensor 6 is lengthened or the bending is performed a plurality of times.
  • the present invention has the following remarkable effects:
  • the invention adopts a structure in which a rubber gasket is respectively installed on both sides of the water temperature adjusting block, and the water temperature regulating block and the cold water regulating port or the hot water regulating port can be made without too high processing precision or complicated assembly process. The fit is completed until it is completely sealed, thereby reducing the manufacturing cost and also making the difference between the temperature of the incoming cold water or hot water and the preset temperature zero.
  • the mixing chamber 15 is provided in the inner cavity 13, the cold and hot water can be sufficiently mixed in the mixing chamber, so that the temperature sensing head of the temperature sensor 6 can be directly installed in the mixing chamber 15. , so that the volume of the wide body is greatly reduced.
  • the invention is mainly installed at the water outlet end of the water heater or the central water supply port of the water storage type water heater or the central hot water supply system, and rapidly mixes the cold water and the hot water to the predetermined outlet water temperature.
  • FIG. 1 is a schematic view showing the structure of a mixing and adjusting constant temperature water-saving embodiment of the present invention.
  • Figure 2 is a cross-sectional view taken along line A-A of the embodiment of the hybrid thermostatic water valve of Figure 1.
  • a mixed water temperature thermostat controller includes a valve body 14, a water temperature adjusting block 8, a rotary actuator 12, a temperature sensor 6, and peripherals.
  • the left and right sides of the valve body 14 are respectively provided with a cold water pipe 1 and a hot water pipe 10 on the same central axis, and the central axis of the mixing water pipe 7 of the valve body 14 is perpendicular to the central axis of the cold and hot water pipes 1, 10.
  • the cold water pipe 1, the hot water pipe 10, and the water mixing pipe 7 penetrate each other in the valve body 14 to form an inner cavity 13.
  • the inner cavity 13 is provided with a water-sinking or wedge-shaped water temperature adjusting block 8 at the center thereof, the axis of the rotating shaft is located on the central axis, and the water temperature regulating block 8 can be in the cold water regulating port 2 of the cold water pipe 1 and the heat of the hot water pipe 10.
  • the water regulating ports 11 are swung between each other, and the soft water seals 3, 9 for fitting the cold water regulating ports 2 and the hot water regulating ports 11 are respectively fixed to both side faces of the water temperature adjusting block 8.
  • the maximum swing angle of the water temperature adjusting block 8 can be made between 12° and 45°.
  • a mixing chamber 15 between the water temperature regulating block 8 and the mixing water pipe 7 is disposed in the inner cavity 13.
  • the mixing chamber 15 can have various structural forms.
  • a mixed flow partition 151 is disposed between the water temperature regulating block 8 and the mixing water pipe 7 in the inner cavity 13, and the mixed flow partition 151 and the mixed water pipe 7 are Forming a mixing chamber 15, and mixing the partition 151 with the inner space
  • a flow guiding hole 18 is formed together between the inner walls of the cavity 13. As indicated by the arrows in Fig.
  • the water flowing into the inner cavity 13 from the cold water pipe 1 and the hot water pipe 10 is blocked by the mixed flow partition 151, forcing the water to flow from the flow guiding hole 18 into the mixing chamber 15, in the mixing chamber 15 After mixing, the mixture flows into the mixing water pipe 7, so that the cold water and the hot water can be sufficiently mixed in the valve body 14 before flowing into the mixing water pipe 7.
  • At least one spoiler 152 is vertically mounted on the side of the mixed flow partition 151 facing the water mixing chamber 15, and preferably, two blocks are vertically arranged on the side of the mixed flow partition 151 facing the water mixing chamber 15. Spoiler 152.
  • the spoiler 152 can further forcibly further mix the cold water and the hot water flowing into the mixing chamber 15 to sufficiently mix the cold water and the hot water in the valve body 14, and the temperature sensor 6 in which the temperature sensing head is disposed in the water mixing chamber 15 The detected water temperature can be more accurate.
  • the temperature sensor 6 is sealed on the valve body 14 by a rubber gasket 61, and the temperature sensing head is housed in the mixing chamber 15 in the cavity 13 of the valve body or in the mixing water pipe 7.
  • the water inlet 16 of the mixing water pipe 7 is provided with a flow guiding portion 19 which may be a semicircular plate and partially close the water inlet 16.
  • the flow guiding portion 19 can cooperate with the mixed flow partition 151 so that the mixing of the cold water and the hot water in the mixing chamber 15 is more sufficient.
  • the flow guiding portion 19 can also function to direct the water to the temperature sensing head.
  • the rotary actuator 12 is fixed on the outer side of the valve body 14, and the output shaft 4 is connected to the center of the water temperature adjusting block 8 through a circular hole in the valve wall of the valve body 14, and between the output shaft 4 and the circular hole of the valve wall of the wide body 14.
  • a rubber gasket 122 is mounted, and a positioning ring 121 concentric with the output shaft 4 is mounted on the rotary actuator 12, and the water temperature adjusting block 8 is fastened to the output shaft 4 by screws 5.
  • the water temperature adjusting block 8 swings around the output shaft 4 to the end point, it is respectively fitted to the cold water regulating port 2 or the hot water regulating port 11.
  • the rotary drive 12 can be a DC geared motor or a stepper motor. According to a preferred embodiment, the rotary drive 12 uses a DC geared motor with a reduction ratio of 300, the swing angle of the water temperature adjustment block 8 is 36°, and the diameters of the circular cold and hot water adjustment ports 2, 1 1 are respectively D7 mm. At the time of O.lMPa water pressure, the mixed water discharge flow rate can reach 15 liters per minute. Since the water temperature regulating block 8 is pressed to the circular cold and hot water regulating port 2, the radial pressure of the water is higher than 20 cattle, so that the cold and hot water pressure difference can be normally operated when the pressure difference is greater than 0.3Mpa.
  • the water temperature adjusting block 8 stops swinging.
  • the water temperature adjusting block 8 will always swing toward the hot water regulating port 11 until the rubber gasket 9 is pressed against the hot water regulating port. 11. Stop the hot water effluent completely.
  • the water temperature adjusting block 8 swings toward the cold water regulating port 2, and if the temperature of the mixed water is still lower than the preset temperature, the water temperature adjusting block 8 - swings in the direction of the cold water regulating port 2 Until the rubber gasket 3 is pressed against the cold water regulating port 2, the cold water is completely blocked.
  • the positioning ring 121 which is mounted on the rotary drive 12 and concentric with the rotary shaft 4, enables the water temperature adjustment block 8 to be accurately positioned.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Multiple-Way Valves (AREA)

Abstract

L'invention concerne un robinet d'eau à température constante à fonction d'ajustement de mélange qui est installé à la sortie du terminal d'une installation de stockage d'eau ou d'un chauffe-eau dans un système central, pour mélanger rapidement de l'eau chaude et de l'eau froide à une température prédéfinie. Un élément d'entraînement rotatif (12) est placé à l'extérieur du corps (14) du robinet, son arbre de sortie (4) passant à travers l'orifice rond du corps du robinet et étant fixement raccordé au pendule du bloc d'ajustement de température de l'eau (8). Sur les deux côtés du bloc d'ajustement de température de l'eau (8) sont montées des plaquettes scellées souples (3, 9) qui peuvent relier des joints d'ajustement d'eau froide et chaude (2,11) respectivement. Une cavité de mélange (15) est située entre le bloc d'ajustement de température de l'eau (8) et un tube de mélange d'eau (7). Dans la cavité vide (13) du corps de robinet ou dans le tube de mélange d'eau (7) un capteur de température (6) est raccordé à l'extrémité de l'entrée du régulateur de température constante à l'extérieur.
PCT/CN2008/000804 2007-06-04 2008-04-18 Robinet d'eau à température constante à fonction d'ajustement de mélange WO2008148290A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2007100285311A CN100516605C (zh) 2007-06-04 2007-06-04 一种混合调节恒温水阀
CN200710028531.1 2007-06-04

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WO2008148290A1 true WO2008148290A1 (fr) 2008-12-11

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CN108443534A (zh) * 2018-03-30 2018-08-24 苏州卫生职业技术学院 一种家用储能电热水器热水混合恒温器

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CN100516605C (zh) * 2007-06-04 2009-07-22 潘兆铿 一种混合调节恒温水阀
CN101893114B (zh) * 2010-07-14 2011-09-07 潘兆铿 一种带压力平衡装置的混合调节恒温水阀
CN101936424B (zh) * 2010-08-17 2011-11-30 周玉林 调温液态流体供应设备输出流体温度的调节方法
CN102221111A (zh) * 2011-03-28 2011-10-19 南京梅山冶金发展有限公司 一种温控压力阀及焦炉用温控压力阀
CN202165668U (zh) * 2011-07-14 2012-03-14 谭仲禧 中央空调系统末端用能量调节阀
CN104776250A (zh) * 2015-04-29 2015-07-15 河南师范大学 一种智能恒温出水控制装置
CN104989849A (zh) * 2015-06-11 2015-10-21 芜湖美的厨卫电器制造有限公司 混水阀、热水器、水系统及水温调节方法
CN105715853B (zh) * 2016-03-16 2018-07-31 佛山市禅城区星火燃气具电子有限公司 一种贮水式电热水器内安装的混合调节恒温水阀
CN105650304B (zh) * 2016-03-31 2018-06-12 佛山市禅城区星火燃气具电子有限公司 一种贮水式电热水器外装的混合调节恒温水阀
CN106361153A (zh) * 2016-11-29 2017-02-01 冯彦 一种直饮式烧水器
CN106705408B (zh) * 2016-12-29 2022-09-09 宁波方太厨具有限公司 一种快速混合水装置及其应用
CN107940023B (zh) * 2017-11-22 2019-08-09 董智超 自动水温调节混水阀装置
CN108087619A (zh) * 2017-12-08 2018-05-29 福建西河卫浴科技有限公司 一种温控阀门和温控方法
CN108547976A (zh) * 2018-06-22 2018-09-18 陶爱珍 一种智能恒温调节数控阀
CN111749945B (zh) * 2020-06-29 2021-05-11 浙江大学 一种基于高速开关阀的片式液压步进驱动器及其控制方法
CN113758022B (zh) * 2021-09-13 2023-05-30 厦门阿玛苏电子卫浴有限公司 一种恒温一体式高效热水器的控制方法

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CN108443534A (zh) * 2018-03-30 2018-08-24 苏州卫生职业技术学院 一种家用储能电热水器热水混合恒温器

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CN100516605C (zh) 2009-07-22
CN101070925A (zh) 2007-11-14

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