WO2017167136A1 - 一种自供电温控混水阀装置 - Google Patents

一种自供电温控混水阀装置 Download PDF

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Publication number
WO2017167136A1
WO2017167136A1 PCT/CN2017/078120 CN2017078120W WO2017167136A1 WO 2017167136 A1 WO2017167136 A1 WO 2017167136A1 CN 2017078120 W CN2017078120 W CN 2017078120W WO 2017167136 A1 WO2017167136 A1 WO 2017167136A1
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WO
WIPO (PCT)
Prior art keywords
water
self
mixing
temperature
valve
Prior art date
Application number
PCT/CN2017/078120
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English (en)
French (fr)
Inventor
徐云松
格雷迪约翰·凯文
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徐云松
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Publication date
Application filed by 徐云松 filed Critical 徐云松
Publication of WO2017167136A1 publication Critical patent/WO2017167136A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K3/00—Baths; Douches; Appurtenances therefor
    • A47K3/28—Showers or bathing douches
    • 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
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • 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
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • 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
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • 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
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/05—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor specially adapted for operating hand-operated valves or for combined motor and hand operation
    • 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 a self-powered temperature-controlled mixing water valve device, belonging to the field of intelligent electromechanical.
  • the current production and domestic water consumption involves mixing valves with a certain temperature as the control requirement, and most of the mixing valves adopt manual control mode or automatic control mode by external AC mains supply.
  • the automatic control of the mixing valve products is getting more and more popular, but in some occasions (such as the field), there is no access to the AC mains, so the external AC mains supply scheme is not feasible; In other occasions (such as bathrooms, kitchens, hospitals, laboratories, etc.), due to the presence of a large amount of water in the environment and contact with the human body, the use of AC mains will involve personal safety and pose a great safety hazard.
  • the mechanical automatic mixing valve is a mechanical deformation of a metal thermal element to drive the valve core member for automatic mixing of temperature control.
  • the external input power source is also not required, there is a uniformity of the mechanical deformation of the metal thermal element.
  • the problem of poor performance and stability is inherently difficult to match the precision electronic sensing servo stabilization system.
  • the control accuracy between the two is usually an order of magnitude different, resulting in the mechanical automatic mixing valve in use.
  • the temperature control range is narrow, the temperature control error is large, and the fundamental problem of temperature control ability deterioration occurs due to scale adhesion and the like after a certain period of use.
  • Electronic electric control mixing valve requires a certain amount of electric energy.
  • the existing electronic automatic control mixing valve does not have a self-power supply unit, so that its power supply must be obtained from the mains exchange through the converter, which not only increases the safety hazard, but also needs to be It is forced to carry out power wiring in a water environment, which increases the cost of manpower and material resources.
  • the present invention provides a self-powered temperature-controlled water mixing valve device, in which a self-power supply unit is disposed in the self-power supply temperature control mixing valve device, and the self-power supply unit can be configured with a disposable or rechargeable battery.
  • a self-generating device for generating electricity by using a water flow through the pipeline is provided, and the generated electric energy is supplied to the electronic temperature-controlled mixing valve, so that the electric power can be supplied without relying on the commercial power exchange, thereby improving the self-generated automatic temperature.
  • the safety of the mixing valve is not required to be used for power wiring in a water environment, especially for applications involving personal contact with water that may cause electric shock.
  • the self-generating automatic temperature control mixing valve adjusts the ratio of hot water to cold water in real time, and ensures the temperature of the water discharged with high temperature control precision, thereby facilitating the user's use, and the main part can be made of metal or plastic.
  • the self-powered temperature-controlled mixing valve device has the advantages of safety, ease of use and practicality, and has wide application prospects.
  • the invention provides a self-powered temperature-controlled mixing valve device, comprising an electric drive water valve unit, a control unit, a self-power supply unit, a temperature setting unit and a display unit, wherein:
  • the electric drive water valve unit is internally provided with a servo motor, a reduction transmission device, a mixing water valve and a mixing chamber, and a temperature sensor is arranged inside the mixing chamber; a water outlet is arranged outside the electric drive water valve unit, a hot water inlet and a cold water inlet; the hot water inlet and the cold water inlet are connected to the mixing water valve through a pipe, the mixing water valve being connected to the mixing chamber through a pipe, the mixing chamber being connected to the water outlet through a pipe; the servo motor
  • the power output is mechanically coupled to the reduction transmission, the transmission output of the reduction transmission being mechanically coupled to the mixing water valve;
  • the mixing water valve is provided with a manual adjusting device, and the manual adjusting device can manually adjust the ratio of the cold water to the hot water and the water discharging speed;
  • the self-powered unit includes a self-generating device, and further includes a disposable battery or a rechargeable battery;
  • the self-power supply unit, the temperature setting unit, the display unit, the temperature sensor, and the servo motor are all electrically connected to the control unit;
  • the control unit receives the detected mixed water temperature value TM of the mixing chamber from the temperature sensor, and receives the mixed water temperature set value TS, the mixed water temperature lower limit threshold TL and the mixed water temperature upper threshold TH from the temperature setting unit;
  • the control unit controls the servo motor to rotate so that the mixing water valve lowers the outlet water temperature
  • the control unit controls the servo motor to rotate so that the mixing water valve increases the outlet water temperature
  • the control unit controls the servo motor to stop rotating.
  • the mechanical connection manner of the reduction transmission device to the mixing water valve is specifically:
  • An output shaft of the reduction transmission is coupled to the drive pulley, the drive pulley being coupled to the driven pulley by a drive belt, the rotational shaft of the mixing water valve being coupled to the driven pulley.
  • the transmission belt is also connected to a tension wheel.
  • the drive belt is a toothless smooth belt or a toothed belt.
  • the mechanical connection manner of the reduction transmission device to the mixing water valve is specifically:
  • a drive gear is coupled to the output shaft of the reduction transmission, and a driven gear is coupled to the mixing shaft, and the drive gear is coupled to the driven gear.
  • the mechanical connection of the reduction transmission to the mixing water valve comprises a mechanical clutch.
  • the self-generating device in the self-powered unit comprises a water fluid propelling generator and/or a solid thermoelectric power generation module.
  • the self-power supply unit acquires a voltage value of the electric energy that the water fluid pushes the generator, and sends the voltage value to the control unit, and the control unit converts the voltage value by using a preset algorithm.
  • the flow rate of the water flow and the mixing valve opening/closing information are referred to be a preset algorithm.
  • the power supply unit may be configured with a disposable or rechargeable battery; and a self-generating device for generating electricity by using a water flow through the pipeline is provided.
  • the electric energy is supplied to the electronic temperature control mixing valve, so that the electric power can be supplied without relying on the mains exchange, thereby improving the safety of the self-generating automatic temperature control mixing valve, especially for the contact with water and human body, which may result in The application of personal safety for electric shock accidents.
  • the self-generating automatic temperature control mixing valve adjusts the ratio of hot water to cold water in real time, and ensures the temperature of the water discharged with high temperature control precision, thereby facilitating the user's use, and the main part can be made of metal or plastic.
  • the self-powered temperature-controlled mixing valve device has the advantages of safety, ease of use and practicality, and has wide application prospects;
  • the self-powered temperature-controlled mixing valve device adopts a toothed belt (also called synchronous belt) transmission mode, which can transmit a large power.
  • a toothed belt also called synchronous belt
  • Relative sliding can be generated between the belt and the transmission wheel, which avoids the large stress of the gear transmission and is easily damaged, and does not require a mechanical clutch device, which simplifies the product structure and reduces the cost.
  • the self-powered temperature-controlled mixing valve device adopts a toothless belt transmission mode.
  • sufficient resistance is encountered during the transmission process or the user directly performs manual operation, relative sliding between the belt and the transmission wheel can be avoided, thereby avoiding The large stress of the gear drive is easily damaged, and the mechanical clutch device is not required, which simplifies the product structure and reduces the cost.
  • FIG. 1 is a structural diagram of a self-powered temperature-controlled mixing valve device according to the present invention.
  • FIG. 2 is a schematic structural view of an electric drive water valve unit in a self-powered temperature-controlled mixing valve device according to the present invention
  • the invention provides a self-powered temperature-controlled mixing valve device, as shown in Fig. 1, comprising an electric drive water valve unit 1, a control unit 2, a self-power supply unit 3 and a temperature setting unit 4, wherein:
  • the electric drive water valve unit 1 is internally provided with a servo motor 11, a reduction transmission device 12, a mixing water valve 13 and a mixing chamber 14, and a temperature sensor 141 is disposed inside the mixing chamber 14; the electric drive water valve unit The outside of 1 is provided with a water outlet 15, a hot water inlet 16 and a cold water inlet 17; the hot water inlet 16 and the cold water inlet 17 are connected to the mixing water valve 13 by a pipe, and the mixing water valve 13 is connected to the mixing chamber 14 through a pipe.
  • the mixing chamber 14 is connected to the water outlet through a pipe; the power output end of the servo motor 11 is mechanically connected to the reduction transmission device 12, and the transmission output end of the reduction transmission device 12 is mechanically connected to the mixing water valve 13;
  • the hot water enters the mixing water valve from the hot water inlet, and the cold water enters the mixing water valve from the cold water inlet.
  • the cold water and hot water are mixed in the mixing water valve, then thoroughly mixed in the mixing chamber, and then discharged from the water outlet.
  • the servo motor may be a brushless or brushed motor, and the rotation thereof is transmitted to the reduction transmission device.
  • the inside of the reduction transmission device may be a gear or a worm structure, thereby better reducing the rotation speed and increasing the transmission torque, and then The rotation is transmitted to the mixing water valve to adjust the mixing ratio of cold water to hot water.
  • the mixing water valve 13 is provided with a manual adjusting device 131, and the manual adjusting device 131 can manually adjust the ratio of the cold water to the hot water and the water discharging speed;
  • the entire self-powered temperature-controlled mixing valve device may be faulty, so a manual adjustment device is required on the mixing valve to allow the user to manually adjust the outlet water temperature and the water discharge speed.
  • the mixing water valve is provided with a manual adjustment device, which can be manually operated like a common mixing water valve.
  • the water outlet control handle can still be used as the water outlet control and temperature manual control.
  • the water valve unit can still be used for daily use, but it is not as convenient as the servo automatic operation, but at least it will not make the whole device unusable.
  • the self-powered unit 3 includes a self-generating device, and further includes a disposable battery or a rechargeable battery;
  • the self-generating device uses the water flowing through it to generate electricity.
  • the self-powered temperature-controlled mixing valve device has low power consumption, so that it can be powered by a micro-water fluid to drive a generator or a solid thermoelectric power generation device without relying on an external AC mains supply.
  • a disposable battery or a rechargeable battery can be used to provide power to the entire self-powered temperature-controlled mixing valve device.
  • a disposable battery or a rechargeable battery (such as a common alkaline battery or a lithium ion battery) commonly used in the market is used in a normal household environment. ) It can work effectively for more than one month without a self-generating device.
  • the self-power supply unit 3, the temperature setting unit 4, the display unit 5, the temperature sensor 141 and the servo motor 11 are all electrically connected to the control unit 2;
  • the temperature sensor detects the water temperature value in the mixing chamber in real time and sends it to the control unit; the control unit sends a control command to the servo motor; the self-power supply unit supplies power to the control unit and the servo motor; and the temperature setting unit sends the temperature setting to the control unit. information.
  • the control unit 2 receives the detected mixed water temperature value TM of the mixing chamber 14 from the temperature sensor 141, and receives the mixed water temperature set value TS, the mixed water temperature lower limit threshold TL and the mixed water temperature upper threshold TH from the temperature setting unit 4;
  • the control unit 2 controls the servo motor 11 to rotate so that the mixing water valve 13 lowers the outlet water temperature;
  • the control unit 2 controls the servo motor 11 to rotate so that the mixing water valve 13 raises the outlet water temperature;
  • the control unit 2 controls the servo motor 11 to stop rotating.
  • the invention provides a self-powered temperature-controlled mixing water valve, comprising an electric water valve, a control unit and a power supply unit, wherein the valve body of the electric water valve is provided with a water outlet, a hot water inlet and a cold water inlet; the electric drive
  • the water valve unit is internally provided with a temperature-controlled servo motor, a temperature-controlled reduction transmission mechanism, a mixing water valve and a mixing chamber; and the mixing chamber is provided with a temperature sensor; the temperature sensor can be made of a NTC or PTC heat with a waterproof stainless steel sleeve.
  • a varistor, or a K-type thermocouple temperature sensor, or other temperature sensor such as an E-type J-type thermocouple material, a PT100/1000 platinum resistor as a temperature sensor, or a thermopile infrared temperature sensor; due to the flow rate of water in the pipe Soon, the temperature sensor needs to have a certain response speed and at the same time have a certain precision.
  • the control unit is internally provided with a sense amplifier to amplify the weak potential generated by the K-type thermocouple or other forms of temperature sensor to a level that can be resolved by the internal processing unit. For example, 5 ⁇ 10mV per degree Celsius is transmitted to the internal processing unit, and the internal processing unit can be in hardware mode.
  • the temperature setting unit can be a temperature setting potentiometer
  • the setting potentiometer can be digital or analog, generating a setting signal to the internal processing unit, and the processing unit setting the digital or analog potentiometer
  • the signal is decomposed into an upper threshold TH, a lower threshold TL, and a set value TS.
  • the upper threshold TH is set to a set value of +1 degrees Celsius
  • the lower threshold TL is set to a set value of -1 degrees Celsius.
  • the processing unit compares the upper limit threshold TH, the lower threshold HL, and the center value TS generated by the electrical signal obtained by the sensor amplifying unit with the set value of the digital or analog potentiometer, and knows that the read value of the sensor is at the upper threshold.
  • the processing unit issues an instruction to stop the servo motor, indicating that the current outlet temperature meets the set range requirement.
  • the processing unit When the processing unit captures that the electrical signal read by the sense amplifier crosses the threshold, for example, above the threshold TH, or is lower than the threshold TL, the processing unit issues a servo motor rotation command, and the electric water valve performs a corresponding mixture ratio change, so that The outlet water temperature is again close to the center value set by the digital or analog potentiometer.
  • the processing unit sends a servo motor stop command again, and it can be seen that the precision of the threshold setting is higher, that is, TH
  • TH The smaller the absolute value of the difference obtained by subtracting HL, the more the servo motor motion will increase due to the fluctuation of water temperature.
  • the mixing water valve is provided with a position detecting switch, and the control unit can obtain the state of the water valve rotation according to the state of the position detecting switch and can perform corresponding control.
  • the mechanical connection manner of the reduction transmission device 12 to the mixing water valve 13 is specifically that the output shaft of the reduction transmission device 12 is connected to the driving pulley 121 , and the driving pulley 121 is connected by the transmission belt 122 .
  • the rotating shaft of the mixing water valve 13 is connected to the driven pulley 123.
  • the transmission belt 122 is also connected with a tension wheel 124.
  • the drive belt 122 is a toothless smooth belt or a toothed belt.
  • gearless belt or toothed belt also called synchronous belt
  • the toothed belt can transmit more torque.
  • the pitch and depth of the toothed driven pulley and the toothed belt By appropriately designing the pitch and depth of the toothed driven pulley and the toothed belt, the groove spacing and depth can be obtained.
  • the desired initial sliding torque value so that when the transmission process encounters sufficient resistance or the user directly performs manual operation, the relative sliding between the belt and the transmission wheel can be generated, thereby avoiding the large stress of the gear transmission being easily affected. Damage, no mechanical clutching device is required, simplifying the structure of the device.
  • the mechanical connection manner of the reduction transmission device 12 to the mixing water valve 13 is specifically: the output shaft of the reduction transmission device 12 is connected with a driving gear, and the rotating shaft of the mixing water valve 13 is connected with a driven gear, the driving gear Connected to the driven gear.
  • the output shaft of the reduction transmission device 12 is connected with an active worm, and the rotating shaft of the mixing water valve 13 is connected with a driven gear, and the active worm is connected to the driven gear.
  • the mechanical connection of the reduction transmission 12 to the mixing water valve 13 comprises a mechanical clutch.
  • the mechanical clutch device can be used to achieve the engagement and disconnection of the transmission power.
  • the self-generating device in the self-powered unit 3 comprises a water fluid propelling generator and/or a solid thermoelectric power generation module.
  • the water fluid pushes the generator to use an axial flow, mixed flow or impact mode to push the impeller, the water fluid pushes the water inlet of the generator to the side of the mixing outlet, and the generator water outlet is connected to the total outlet of the mixing valve.
  • the water fluid can be driven to drive the generator to work, and the design of the fluid-driven generator requires high efficiency, has little influence on the water pressure of the outlet water, and adopts a low-speed multi-pole method and Wear-resistant bearings or suspension bearing technology can improve the service life.
  • One end of the impeller is equipped with a permanent magnet rotor.
  • a single-pole or multi-pole permanent magnet can be used to form a single-pole or multi-pole water fluid to propel the generator rotor.
  • the stator coil Located in the impeller water chamber, the stator coil is not placed in the water, it is dry, and it can be single-phase or three-phase or multi-phase.
  • the output AC current is rectified by the diode to form a pulsating DC input to the capacitor, and then reaches the battery charging voltage regulator circuit.
  • the DC uninterruptible power supply is supplied to the control unit.
  • a blocking net may be disposed at the inlet end of the generator water flow.
  • the Sebeck effect solid-state thermoelectric power generation module is used in series to obtain a certain electric power supply control unit without setting mechanical rotating fluid to drive the generator or can simultaneously set the temperature difference.
  • the power generation module and the water fluid drive the generator to increase the self-generation guarantee.
  • the self-power supply unit 3 acquires a voltage value of the electric energy that the water fluid pushes the generator, and sends the voltage value to the control unit 2, and the control unit 2 uses the preset algorithm to The voltage value is converted into the flow value of the water flow and the mixing valve opening/closing information.
  • control unit is further connected with a display unit 5, which displays water temperature value and system state parameter information of water in the mixing chamber.
  • the invention provides a self-powered temperature-controlled mixing water valve device, wherein a self-power supply unit is arranged in the self-powered temperature-controlled mixing water valve device, the self-power supply unit can be configured with a disposable or rechargeable battery;
  • the self-generating device for generating electricity through the flowing water flow is supplied to the electronic temperature-controlled mixing valve, so that the electric power can be supplied without relying on the mains exchange, thereby improving the safety of the self-powered automatic temperature-controlled mixing valve.
  • sexuality especially for applications involving personal safety where there is water and the environment may cause an electric shock.
  • the electric drive water valve unit is specially designed or added to the existing manual ceramic mixing water valve spool to add a servo motor and a reduction transmission.
  • the spontaneous power supply automatic temperature control mixing valve adjusts the ratio of hot water to cold water in real time, and ensures the temperature of the water discharged with high temperature control precision, thereby facilitating the user's use, and the main components can be made of metal or plastic.
  • the self-powered temperature-controlled mixing valve device has the advantages of safety, ease of use and practicality, and has wide application prospects.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Multiple-Way Valves (AREA)
  • Temperature-Responsive Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

一种自供电温控混水阀装置，在该自供电温控混水阀装置中设置自供电单元（3），该自供电单元（3）可以配置有一次性或可充电电池；还设置有利用管道流经的水流进行发电的自发电装置，所发的电能提供给电子温控混水阀使用，因此可以不依赖于市电交流提供电能，从而提高了该自发电自动温控混水阀的安全性，尤其适用于有水环境从而可能导致电击事故的涉及人身安全的应用场合。其电驱动水阀单元（1）经过专门设计或者在已有的手动陶瓷混合水阀阀芯上添加伺服电机（11）和减速传动装置（12）即可形成。该自发供电自动温控混水阀会实时调节热水与冷水的比例，以极高的温控精度保证所出水的温度，从而方便用户的使用，该自供电温控混水阀装置具有安全、易用和实用的优点，有广泛的应用前景。

Description

一种自供电温控混水阀装置 技术领域
本发明涉及一种自供电温控混水阀装置，属于智能机电领域。
背景技术
当前的生产生活用水，都涉及以一定温度为控制要求的混水阀，其中大多数混水阀采用手动控制方式或借助外部交流市电供电的自动控制方式。随着时代的发展，自动控制的混水阀产品正在越来越受到人们的欢迎，但在一些场合（如野外等）没有接入交流市电，因此外部交流市电供电方案不可行；而在另外一些场合（诸如浴室、厨房、医院、实验室等），由于环境中存在着大量水并和人体接触，从而使得使用交流市电会涉及人身安全，造成很大的安全隐患。目前已经出现的机械式自动混水阀是采用金属热感元件的机械变形来驱动阀芯部件进行控温的自动混合，虽然同样不需要外部输入电源，但存在机械变形的金属热感元件的一致性和稳定型较差的问题，其本质上难以与精密的电子传感伺服稳定系统相匹敌，两者之间的控制精度通常相差一个数量级，导致机械方式的自动混水阀在使用过程中,控温范围窄、控温误差很大，并在使用一定时间后由于水垢附着等原因出现控温能力劣化的根本性问题。
 技术问题
电子电动控制混水阀需要一定的电能，目前现有的电子自动控制混水阀都没有自供电单元，导致其供电电源必须通过转换器从市电交流取得，不仅增加了安全隐患，也需要被迫在有水环境下进行电源布线，增加了人力物力成本。
技术解决方案
为解决上述技术问题，本发明提供了一种自供电温控混水阀装置，在该自供电温控混水阀装置中设置自供电单元，该自供电单元可以配置有一次性或可充电电池；还设置有利用管道流经的水流进行发电的自发电装置，所发的电能提供给电子温控混水阀使用，因此可以不依赖于市电交流提供电能，从而提高了该自发电自动温控混水阀的安全性，也无需在有水环境中进行电源布线，尤其适用于有水接触人体从而可能导致电击事故的涉及人身安全的应用场合。该自发电自动温控混水阀会实时调节热水与冷水的比例，以极高的温控精度从而保证所出水的温度，从而方便用户的使用，其主体部件可以采用金属或者塑料制作。该自供电温控混水阀装置具有安全、易用和实用的优点，具有广泛的应用前景。
为了达到上述目的，本发明的技术方案如下：
本发明提供了一种自供电温控混水阀装置，包括电驱动水阀单元、控制单元、自供电单元,温度设置单元和显示单元，其中：
所述电驱动水阀单元的内部设置有伺服电机、减速传动装置、混合水阀和混合室，且所述混合室内部设置有温度传感器；所述电驱动水阀单元的外部设置有出水口、热水入口和冷水入口；所述热水入口和冷水入口通过管道连接到混合水阀，所述混合水阀通过管道连接到混合室，所述混合室通过管道连接到出水口；所述伺服电机的动力输出端以机械方式连接到减速传动装置，所述减速传动装置的传动输出端以机械方式连接到混合水阀；
所述混合水阀设置有手动调节装置，所述手动调节装置可以手动调节冷水与热水的比例和出水速度；
所述自供电单元包括自发电装置，且还包括一次性电池或可充电电池；
所述自供电单元、温度设置单元、显示单元、温度传感器和伺服电机都电连接到控制单元；
所述控制单元从温度传感器接收所探测到的混合室的混合水温值TM，从温度设置单元接收混合水温设定值TS、混合水温下限阈值TL和混合水温上限阈值TH；
当所述混合水温值TM与混合水温设定值TS的差值高于混合水温上限阈值TH时，控制单元控制伺服电机转动从而使得混合水阀降低出水温度；
当所述混合水温值TM与混合水温设定值TS的差值低于混合水温下限阈值TL时，控制单元控制伺服电机转动从而使得混合水阀提高出水温度；
当所述混合水温值TM与混合水温设定值TS的差值高于混合水温下限阈值TL且低于混合水温上限阈值TH时，控制单元控制伺服电机停止转动。
作为优选，所述减速传动装置到混合水阀的机械连接方式具体为：
所述减速传动装置的输出轴连接到主动皮带轮，所述主动皮带轮通过传动皮带连接到从动皮带轮，所述混合水阀的转动轴连接到所述从动皮带轮。
作为优选，所述传动皮带还连接有张力轮。
作为优选，所述传动皮带为无齿光面皮带或有齿皮带。
作为优选，所述减速传动装置到混合水阀的机械连接方式具体为：
减速传动装置的输出轴连接有主动齿轮，混合水阀转动轴连接有从动齿轮，所述主动齿轮连接到所述从动齿轮。
作为优选，所述减速传动装置到混合水阀的机械连接方式包含机械离合装置。
作为优选，所述自供电单元中的自发电装置包括水流体推动发电机和/或固体温差发电模块。
作为优选，所述自供电单元会获取所述水流体推动发电机输出的电能的电压值，并将所述电压值发送给控制单元，所述控制单元利用预设的算法将所述电压值转换成水流的流量值和混水阀开启/关闭信息。
 有益效果
（1）在该自供电温控混水阀装置中设置自供电单元，该供电单元可以配置有一次性或可充电电池；还设置有利用管道流经的水流进行发电的自发电装置，所发的电能提供给电子温控混水阀使用，因此可以不依赖于市电交流提供电能，从而提高了该自发电自动温控混水阀的安全性，尤其适用于有水和人体接触从而可能导致电击事故的涉及人身安全的应用场合。该自发电自动温控混水阀会实时调节热水与冷水的比例，以极高的温控精度从而保证所出水的温度，从而方便用户的使用，其主体部件可以采用金属或者塑料制作。该自供电温控混水阀装置具有安全、易用和实用的优点，具有广泛的应用前景；
（2）该自供电温控混水阀装置采用有齿皮带（也称同步皮带）传动方式，可以传递较大的动力，当传动过程中遇到足够大的阻力或用户直接进行手动操作时，皮带和传动轮之间可以产生相对滑动，避免了齿轮传动的大应力容易受损，和不需要机械离合装置，简化了产品结构，降低了成本。
（3）该自供电温控混水阀装置采用无齿皮带传动方式，当传动过程中遇到足够大的阻力或用户直接进行手动操作时，皮带和传动轮之间可以产生相对滑动，避免了齿轮传动的大应力容易受损，和不需要机械离合装置，简化了产品结构，降低了成本。
 附图说明
图1为本发明所提供的一种自供电温控混水阀装置的架构图；
图2为本发明所提供的一种自供电温控混水阀装置中的电驱动水阀单元的结构示意图；
其中：1.电驱动水阀单元，11.伺服电机，12.减速传动装置，121.主动皮带轮，122.传动皮带，123.从动皮带轮，124.张力轮，13.混合水阀，131.备用手动装置，14.混合室，141.温度传感器，15.出水口，16.热水入口，17.冷水入口，2.控制单元，3.自供电单元，4.温度设置单元，5.显示单元。
 本发明的最佳实施方式
本发明提供了一种自供电温控混水阀装置，如图1所示，包括电驱动水阀单元1、控制单元2、自供电单元3和温度设置单元4，其中：
所述电驱动水阀单元1的内部设置有伺服电机11、减速传动装置12、混合水阀13和混合室14，且所述混合室14内部设置有温度传感器141；所述电驱动水阀单元1的外部设置有出水口15、热水入口16和冷水入口17；所述热水入口16和冷水入口17通过管道连接到混合水阀13，所述混合水阀13通过管道连接到混合室14，所述混合室14通过管道连接到出水口；所述伺服电机11的动力输出端以机械方式连接到减速传动装置12，所述减速传动装置12的传动输出端以机械方式连接到混合水阀13；
热水从热水入口进入到混合水阀，冷水从冷水入口进入到混合水阀，冷水和热水会在混合水阀进行混合，之后在混合室进行充分混合，然后从出水口流出。
所述伺服电机可以为无刷或有刷电动机，将其转动传递给减速传动装置，减速传动装置内部可以为齿轮或蜗杆结构，从而可以更好的减慢转动速度和增大传动力矩，然后将转动传递给混合水阀，调节冷水与热水的混合比例。
所述混合水阀13设置有手动调节装置131，所述手动调节装置131可以手动调节冷水与热水的比例和出水速度；
整个自供电温控混水阀装置有可能出现故障，因此需要在混水阀上设置有手动调节装置，以便用户手动调节出水温度和出水速度。
混合水阀设置有手动调节装置，如同普通混合水阀一样可以进行手动操作，当电子温控混水阀装置出现故障时，该出水控制手柄仍旧可以作为出水控制和温度手动控制之用，整个混水阀装置仍旧可以满足日常使用，只是不及伺服自动操作那样方便，但至少不会让整个装置无法使用。
所述自供电单元3包括自发电装置，且还包括一次性电池或可充电电池；
其中自发电装置会利用流经其的水流来发电，
在实际试验中，发明人发现所述的自供电温控混水阀装置功耗很低，因此可以不依赖外部交流市电供应，采用微型水流体推动发电机或固体温差发电装置提供电源。在水流体推动发电机和固体温差发电装置失效情况下可以采用一次性电池或可充电电池来进行对整个自供电温控混水阀装置提供电能
由于所述的电子温控混水阀操作功耗极低，发明人在试验中发现，在正常家用环境下采用市面上常见的一次性电池或可充电电池（例如普通碱性电池或锂离子电池）可以在没有配置自发电装置的情况下有效工作一个月以上。
所述自供电单元3、温度设置单元4、显示单元5、温度传感器141和伺服电机11都电连接到控制单元2；
所述温度传感器会实时探测混合室中的水温值并发供给控制单元；控制单元会向伺服电机发送控制命令；自供电单元为控制单元和伺服电机提供电能；温度设置单元会向控制单元发送温度设置信息。
所述控制单元2从温度传感器141接收所探测到的混合室14的混合水温值TM，从温度设置单元4接收混合水温设定值TS、混合水温下限阈值TL和混合水温上限阈值TH；
当所述混合水温值TM与混合水温设定值TS的差值高于混合水温上限阈值TH时，控制单元2控制伺服电机11转动从而使得混合水阀13降低出水温度；
当所述混合水温值TM与混合水温设定值TS的差值低于混合水温下限阈值TL时，控制单元2控制伺服电机11转动从而使得混合水阀13提高出水温度；
当所述混合水温值TM与混合水温设定值TS的差值高于混合水温下限阈值TL且低于混合水温上限阈值TH时，控制单元2控制伺服电机11停止转动。
本发明提供了一种自供电温控混水阀，包括电动水阀、控制单元、供电单元，所述电动水阀的阀体外部设置有出水口、热水入口和冷水入口；所述电驱动水阀单元的内部设置有温控伺服电机、温控减速传动机械装置、混合水阀和混合室；且所述混合室内部设置有温度传感器；温度传感器可以采用具有防水不锈钢套的NTC或PTC热敏电阻,或K型热电偶温度传感器，或其他诸如E型J型热电偶材料的温度传感器，PT100/1000铂电阻作为温度传感器，也可以采用热电堆红外温度传感器；由于水流在管道内的流速很快，因此温度传感器需要有一定响应速度并同时具有一定精度，控制单元内部设有传感放大器将K型热电偶或其他形式的温度传感器产生的微弱电势放大到内部处理单元可以分辨的水平，例如5~10mV每摄氏度，传导到内部处理单元，内部处理单元可以是硬件模式，也可以是软件模式；温度设置单元可以是一个温度设置电位器，该设置电位器可以是数字方式也可以是模拟方式，产生设置信号输送给内部处理单元，处理单元将数字或模拟电位器的设置信号分解为上限阈值TH、下限阈值TL和设定值TS，例如上限阈值TH被设置为设定值+1摄氏度，下限阈值TL被设为设定值-1摄氏度时，此时设定值为中心值，处理单元根据传感器放大单元获得的电信号同数字或模拟电位器的设定值所产生的上限阈值TH、下限阈值HL以及中心值TS进行比较当得知传感器的读取值位于上限阈值TH和下限阈值TL之间时，处理单元发出伺服电机停止的指令，表明现在的出水温度满足设定的范围要求。当处理单元捕捉到传感放大器读取的电信号越过阈值，例如高于阈值TH，或者低于阈值TL时，处理单元发出伺服电机转动指令，此时电动水阀进行相应的混合比改变，使得出水温度再次向数字或模拟电位器设定的中心值靠拢，当调节过程中的混合出水温度等于中心值时，处理单元再次发出伺服电机停止指令，可以看出阈值设置的精度越高，即TH减去HL所获得的差值的绝对值越小，由于水温波动造成的伺服电机运动就会增加，因此在设计时，综合考虑实际生产生活用水的温度精度要求来确定阈值TH和阈值TL的区间，可以减少不必要的机械装置磨损。所述的混合水阀上设置有位置检测开关，控制单元可以根据位置检测开关的状态获取水阀转动的状态并可以做出相应控制。
 本发明的实施方式
如图2所示，所述述减速传动装置12到混合水阀13的机械连接方式具体为：所述减速传动装置12的输出轴连接到主动皮带轮121，所述主动皮带轮121通过传动皮带122连接到从动皮带轮123，所述混合水阀13的转动轴连接到所述从动皮带轮123。
优选地，所述传动皮带122还连接有张力轮124。
优选地，所述传动皮带122为无齿光面皮带或有齿皮带。
采用无齿皮带或有齿皮带（也称同步皮带）传动方式，其中有齿皮带可以传递更大的力矩，通过适当设计有齿从动皮带轮和有齿皮带的齿槽间距和深度,可以获得所希望的起始滑动力矩值,这样便可以实现当传动过程中遇到足够大的阻力或用户直接进行手动操作时，皮带和传动轮之间可以产生相对滑动，避免了齿轮传动的大应力容易受损，不需要机械离合装置，简化了装置结构。
可选地，所述减速传动装置12到混合水阀13的机械连接方式具体为：减速传动装置12的输出轴连接有主动齿轮，混合水阀13转动轴连接有从动齿轮，所述主动齿轮连接到所述从动齿轮。
可选地，所述减速传动装置12的输出轴连接有主动蜗杆，混合水阀13转动轴连接有从动齿轮，所述主动蜗杆连接到所述从动齿轮。
优选地，所述减速传动装置12到混合水阀13的机械连接方式包含机械离合装置。
机械离合装置可以来实现传动动力的接合和切断。
优选地，所述自供电单元3中的自发电装置包括水流体推动发电机和/或固体温差发电模块。
可选地，水流体推动发电机可以采用轴流、混流或者冲击方式来推动叶轮，水流体推动发电机的入水口连接到混合出口一侧，发电机出水口连接到混水阀的总出水口，这样即便采用完全冷水或者完全热水的出水模式，也能够保证水流体推动发电机得以工作发电，流体推动发电机的设计要求效率高，对出水水压影响小，采用低转速多极方式以及耐磨轴承或悬浮轴承技术可以提高使用寿命，叶轮一端安装有永磁体转子，根据水流推动的速度可以采用单极或多极永磁体构成单极或多极水流体推动发电机转子，永磁转子位于叶轮水室内，定子线圈不设置在水中，为干式，可以单相也可以三相或多相，输出的交流电流经过二极管整流后形成脉动直流输入到电容器，然后到达电池充电调压电路形成直流不间断电源供给控制单元。
可选地，考虑到发电机转子和阀芯在水中有可能吸附到异物碎屑，从而形成堵死的情况，在发电机水流入口端可以设置有拦阻网。
可选地，在某种情况下，如果可以获得稳定的热源，采用赛贝克效应的固态温差发电模块进行串联，获得一定的电功率供给控制单元而不设置机械转动流体推动发电机或可以同时设置温差发电模块和水流体推动发电机以增加自发电保障。
优选地，所述自供电单元3会获取所述水流体推动发电机输出的电能的电压值，并将所述电压值发送给控制单元2，所述控制单元2利用预设的算法将所述电压值转换成水流的流量值和混水阀开启/关闭信息。
可选地，所述控制单元还连接有显示单元5，所述显示单元5会显示混合室中水的水温值和系统状态参数信息。
本发明提供了一种自供电温控混水阀装置，在该自供电温控混水阀装置中设置自供电单元，该自供电单元可以配置有一次性或可充电电池；还设置有利用管道流经的水流进行发电的自发电装置，所发的电能提供给电子温控混水阀使用，因此可以不依赖于市电交流提供电能，从而提高了该自发供电自动温控混水阀的安全性，尤其适用于有水从而环境可能导致电击事故的涉及人身安全的应用场合。其电驱动水阀单元经过专门设计或者在已有的手动陶瓷混合水阀阀芯上添加伺服电机和减速传动装置即可形成。该自发供电自动温控混水阀会实时调节热水与冷水的比例，以极高的温控精度从而保证所出水的温度，从而方便用户的使用，其主体部件可以采用金属或者塑料制作。该自供电温控混水阀装置具有安全、易用和实用的优点，具有广泛的应用前景。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (8)

  1. 一种自供电温控混水阀装置，包括电驱动水阀单元（1）、控制单元（2）、自供电单元（3）,温度设置单元（4）和显示单元（5），其特征在于：
    所述电驱动水阀单元（1）的内部设置有伺服电机（11）、减速传动装置（12）、混合水阀（13）和混合室（14），且所述混合室（14）内部设置有温度传感器（141）；所述电驱动水阀单元（1）的外部设置有出水口（15）、热水入口（16）和冷水入口（17）；所述热水入口（16）和冷水入口（17）通过管道连接到混合水阀（13），所述混合水阀（13）通过管道连接到混合室（14），所述混合室（14）通过管道连接到出水口；所述伺服电机（11）的动力输出端以机械方式连接到减速传动装置（12），所述减速传动装置（12）的传动输出端以机械方式连接到混合水阀（13）；
    所述混合水阀（13）设置有手动调节装置（131），所述手动调节装置（131）可以手动调节冷水与热水的比例和出水速度；
    所述自供电单元（3）包括自发电装置，且还包括一次性电池或可充电电池；
    所述自供电单元（3）、温度设置单元（4）、显示单元（5）、温度传感器（141）和伺服电机（11）都电连接到控制单元（2）；
    所述控制单元（2）从温度传感器（141）接收所探测到的混合室（14）的混合水温值TM，从温度设置单元（4）接收混合水温设定值TS、混合水温下限阈值TL和混合水温上限阈值TH。
  2. 据权利要求1所述的自供电温控混水阀装置，其特征在于，所述减速传动装置（12）到混合水阀（13）的机械连接方式具体为：
    所述减速传动装置（12）的输出轴连接到主动皮带轮（121），所述主动皮带轮（121）通过传动皮带（122）连接到从动皮带轮（123），所述混合水阀（13）的转动轴连接到所述从动皮带轮（123）。
  3. 据权利要求1或2所述的自供电温控混水阀装置，其特征在于：
    所述传动皮带（122）还连接有张力轮（124）。
  4. 根据权利要求1或2所述的自供电温控混水阀装置，其特征在于：
    所述传动皮带（122）为无齿光面皮带或有齿皮带。
  5. 根据权利要求1所述的自供电温控混水阀装置，其特征在于，所述减速传动装置（12）到混合水阀（13）的机械连接方式具体为：
    减速传动装置（12）的输出轴连接有主动齿轮，混合水阀（13）转动轴连接有从动齿轮，所述主动齿轮连接到所述从动齿轮。
  6. 根据权利要求1或5所述的自供电温控混水阀装置，其特征在于：
    所述减速传动装置（12）到混合水阀（13）的机械连接方式包含机械离合装置。
  7. 根据权利要求1任一项所述的自供电温控混水阀装置，其特征在于：
    所述自供电单元（3）中的自发电装置包括水流体推动发电机和/或固体温差发电模块。
  8. 根据权利要求6所述的自供电温控混水阀装置，其特征在于：
    所述自供电单元（3）会获取水流体推动发电机输出的电能的电压值，并将所述电压值发送给控制单元（2），所述控制单元（2）利用预设的算法将所述电压值转换成水流的流量值和混水阀开启/关闭信息。
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CN108644445B (zh) * 2018-04-27 2020-01-10 江苏科技大学 自发电感应水阀控制器及方法
CN111596703B (zh) * 2020-05-22 2022-10-04 余姚市菲龙金属制品有限公司 一种自动调温沐浴控制装置及方法
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