WO2016180360A1 - Clapet à débit déterminé bilatéral et système d'alimentation de fluide associé - Google Patents

Clapet à débit déterminé bilatéral et système d'alimentation de fluide associé Download PDF

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Publication number
WO2016180360A1
WO2016180360A1 PCT/CN2016/081977 CN2016081977W WO2016180360A1 WO 2016180360 A1 WO2016180360 A1 WO 2016180360A1 CN 2016081977 W CN2016081977 W CN 2016081977W WO 2016180360 A1 WO2016180360 A1 WO 2016180360A1
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Prior art keywords
fluid
water
mode
region
handle
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PCT/CN2016/081977
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English (en)
Chinese (zh)
Inventor
姚明行
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成都菁易科技有限公司
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Publication of WO2016180360A1 publication Critical patent/WO2016180360A1/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
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • 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
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • 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
    • F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation

Definitions

  • the invention belongs to the field of valves, and particularly relates to the technical field of valve cores used in faucets, in particular to a single-handle double-connected water-saving valve core.
  • valves are used to control the flow of fluids, such as controlling the type of fluid passing through and controlling the flow of fluid through.
  • the faucets used by ordinary people to understand and contact the most are the faucets used in daily life.
  • the faucet can be generally divided into a screw type, a wrench type, a lift type, and an induction type according to the opening method.
  • the screw handle is opened by screwing, and when it is opened, it is rotated a lot of turns, and the flow rate of water is adjusted by the number of turns of the screw. The more the number of turns, the larger the flow rate; the wrench handle is opened by horizontal rotation, and the angle of opening is opened.
  • the size is used to control the flow rate of water.
  • the maximum angle is usually 90°.
  • the lift-type handle is opened by vertical lifting. Similarly, the opening angle is used to control the water flow.
  • the opening angle is larger.
  • the larger the flow rate, the smaller the angle is usually less than 45°; the inductive faucet only needs to reach under the faucet to automatically discharge water through induction, but usually the outlet flow is fixed and cannot be adjusted.
  • the single-handle double spool is the most common faucet spool in life and production, especially the ceramic single-handle double spool. It is the hot and cold water faucet valve commonly used in kitchens and bathrooms.
  • the valve core comprises a sealing piece composed of a fixing piece and a moving piece, and the operating mechanism is a control handle for controlling the sliding sliding of the moving piece relative to the fixed piece.
  • the fixing piece is provided with a cold water inlet hole, a hot water inlet hole and a water outlet hole, and the moving piece is provided with a passage.
  • the passage is configured to communicate the hot water inlet hole and the water outlet hole, or the cold water inlet hole and the water outlet hole, or the hot water inlet hole, the cold water inlet hole and the water outlet hole when the movable piece is sealed and sliding relative to the fixed piece.
  • the normal operation standard in China is that the control handle is turned left to the vicinity of the limit position, and only the hot water is discharged from the outlet hole. At this time, the water outlet only passes through the hot water inlet hole.
  • the passage is connected; the right handle is turned to the vicinity of the limit position, and only the cold water is discharged from the outlet hole.
  • the outlet hole only communicates with the cold inlet hole through the passage; and between the two is a mixed water area where the hot and cold water is mixed.
  • the water outlet hole communicates with the cold and hot water inlet holes through the passage, and the control handle turns to the left.
  • the proportion of hot water in the cold and hot water inlet ratio is larger, and the hotter the water, until it becomes pure hot water; the handle is turned to the right.
  • the greater the proportion of cold water in the ratio of spin, cold and hot water the colder the water until it becomes pure cold water.
  • the flow rate of the water at the moment is adjusted by the upward lifting angle of the lifting handle, and the larger the angle, the larger the flow rate.
  • the single-handle double valve core of the ceramic piece has the advantages of convenient and flexible adjustment of hot and cold water, smooth and light operation of the control handle, good sealing of the ceramic piece (fixed piece, moving piece) and long service life of the valve core.
  • a hot fluid supply device that supplies a hot fluid (eg, hot water), a hot fluid outlet of the hot fluid supply device, and a hot fluid of the valve device.
  • a hot fluid supply device that supplies a hot fluid (eg, hot water), a hot fluid outlet of the hot fluid supply device, and a hot fluid of the valve device.
  • the inlet end is connected, and the common hot fluid supply devices in daily life are various water heaters, such as gas water heaters and electric water heaters.
  • the hot fluid supply device such as a water heater
  • the hot water remaining in the water tank of the water heater will also cause the scale of the water tank to be rapidly generated, reducing the service life and heating efficiency of the water heater.
  • the high heat will continue to continue to heat the hot water remaining in the water tank.
  • the water in the water tank will be heated to a significantly higher temperature than the original control temperature.
  • the valve is used to continue to use hot water, when the remaining hot water in the water tank is discharged from the valve, the user will notice that the temperature of the water is significantly higher. High, affecting the experience of use, and even causing burns in severe cases.
  • the hot water control area is on the left side, and the cold water control area is on the right side.
  • the user can directly close the handle to turn off the hot water;
  • users often forget to rotate the handle to the cold water control area after turning off the hot water, which will cause the water heater to be started directly when the next lift handle opens the valve. If hot water is not needed at this time, hot water will be generated. Waste.
  • fluids are currently controlled by valves, in particular thermal fluids, for fluid supply devices that supply fluid to valves, in particular thermal fluid supply devices that supply hot fluids, since the temperature of the hot fluid (eg hot water) can only be supplied to the hot fluid.
  • the device for example, a water heater
  • the device is centrally controlled, and the temperatures of the different water points are uniform, and the fluid supply temperature of the hot fluid supply device (e.g., water heater) cannot be controlled by the valves of the respective water points.
  • the requirements for water temperature are different at different water points/uses. For example, washing the bathroom is a certain temperature A is usually appropriate; while kitchen washing may be more suitable for temperature D, bathroom bath is the temperature E is more appropriate.
  • the user can only repeatedly adjust the temperature of the hot fluid supply repeatedly in the hot fluid supply device (such as a water heater), or The water temperature is roughly controlled on the valve by roughly adjusting the mixing ratio of cold water and hot water.
  • One of the objects of the present invention is to provide a valve device that is advantageous for saving fluid passing through the valve device.
  • the valve device can provide feedback information for the fluid supply device, particularly the thermal fluid supply device, which is beneficial to the valve through the valve.
  • Control of the fluid supply device particularly control of the hot fluid supply temperature of the thermal fluid supply device; and when used in conjunction with the thermal fluid supply device, can facilitate normal use of the thermal fluid supply device.
  • Another object of the present invention is to provide a thermal fluid supply system that facilitates the normal use of the thermal fluid supply of the thermal fluid supply system.
  • a third object of the present invention is to provide a fluid supply system using the valve device of the present patent.
  • the fourth object of the present invention is to provide a single-handle double-connected water-saving valve core, which is beneficial to save water and facilitate the normal use of the water heater.
  • a valve device comprising a valve device that controls a fluid passage state when a fluid passes, and an operating mechanism that achieves the aforementioned control by operating in an operating region thereof, the valve device having a first fluid inlet end, a second fluid inlet end, and a fluid At the outlet end, the operating region of the operating mechanism is divided into a mixing degree adjusting region for adjusting the degree of mixing of the first fluid and the second fluid, and a flow regulating region for adjusting the flow rate of the fluid outlet end thereof in the mixing degree adjusting region, and the mixing degree adjusting region is divided into a fluid.
  • first fluid region where only the first fluid exits the outlet end
  • second fluid region where only the second fluid exits the fluid outlet end
  • an intermediate region between the first fluid region and the second fluid region
  • the fluid outlet of the intermediate region No fluid is present, or a mixed region of the first fluid and the second fluid mixed fluid is discharged from the fluid outlet end, and the flow rate of the minimum stop of the flow regulating region of the first and second fluid regions is greater than zero, and is mixed.
  • the flow rate of the minimum stop of the flow regulation area of the zone is equal to zero.
  • the first fluid and the second fluid may be the same kind of fluid, or different kinds of fluids, such as water and other fluids, or water, etc.; and at the same time, may be different
  • the same type of fluid in the state may also be the same type of fluid in the same state, such as cold water and hot water, or both cold water or hot water.
  • the cold and heat are only relative in relative terms, and the absolute meaning is that the hot water is only water with a higher temperature than the cold water.
  • Cold water usually refers to normal temperature water. The most common is tap water in daily life. At the same time, cold water can also be lower temperature water obtained by further cooling normal temperature water.
  • Hot water in general, refers to water that is heated to a temperature that is further heated by normal temperature water.
  • first fluid and the second fluid are only used to distinguish two fluids, and are not absolutely defined.
  • cold water and hot water cold water can be used as the first fluid, and hot water is relatively the second fluid.
  • hot water can also be used as the first fluid, and cold water naturally becomes the second fluid.
  • the mixing region is optional, that is, the fluid outlet end can only discharge the first fluid or the second fluid, but not the mixed fluid; and in the mixing degree, when the first fluid accounts for 100% When the second fluid accounts for 0%, that is, the first fluid region of the first fluid is discharged at the fluid outlet end; conversely, when the first fluid accounts for 0% and the second fluid accounts for 100%, that is, the fluid outlet end only A second fluid region of the second fluid.
  • the flow regulating region is a regulating mechanism operable physical operating range of the flow rate, must include a minimum adjusting the position of (the minimum stopping / minimum stop position), a regulatory region, and the maximum may be some adjustment of the position (maximum stopping / Maximum Stop position); likewise, the handle placement position refers to an operable physical position of the handle to adjust the flow; for the lift type open tap (typically a single handle double valve), the lift handle By vertically lifting up, the angle of the raised angle is used to control the flow of water.
  • the faucet When the angle is zero, the faucet is closed, and the handle position is the lower stop position, which is the minimum adjustment position (minimum stop/minimum stop position);
  • the handle position When the lifting angle is maximum (the flow rate is usually the largest at this time), the handle position is the upper stop position, which is the maximum adjustment position (maximum stop position/maximum stop position).
  • the wrench handle is opened by horizontal rotation, and the flow angle is controlled by the angle of opening. The larger the opening angle is, the larger the flow rate is.
  • the point with the angle of 0° (usually the closed position) is the minimum adjustment position (minimum The bit/minimum stop position), and the other point with the largest angle (usually the maximum flow position) is the maximum adjustment position (maximum stop/maximum stop position).
  • the intermediate portion has two states, one is that the fluid outlet end of the intermediate portion is free of fluid, and the other is a state in which the fluid outlet ends the first fluid and the second fluid mixed fluid, and is defined as a mixed region.
  • the flow regulating area has the closed position of the minimum stop flow rate equal to zero in the prior art, and the large adjustment.
  • the fixed flow rates of the two fixed positions may be the same or different, preferably different).
  • the difference from the existing valve is that the flow rate of the minimum stop position of the flow regulating region of the first valve, the two fluid region and the mixing region of the existing valve is equal to zero, that is, the three positions are all closed positions, and
  • the minimum stop of the flow regulating region of the first and second fluid regions is changed to the control position of the specific flow with the flow greater than zero.
  • the flow rates of the two minimum stop positions are respectively designed as the flow rate A suitable for hand washing and the flow rate B suitable for washing fruits and vegetables, and the operating mechanism can be simply and quickly placed in the corresponding position. Get a flow rate suitable for hand washing or washing fruits and vegetables. Take the common single-handle double spool as an example.
  • the leftmost lowermost operating position of the handle of the existing single-handle double spool (usually the first fluid area, such as the closed position of the hot water) and the lowest rightmost position.
  • the operating position (usually the second fluid region, such as the closed position of the cold water) is the closed position, and the patent places the handle in the leftmost lowermost operating position to obtain a specific flow rate A suitable for hand washing, and the handle is placed
  • the rightmost lower operating position gives a specific flow B suitable for washing fruits and vegetables, while the lowermost operating position of the area between the two (usually the mixing area, such as the closed position of the mixed water of hot and cold water) It is the same as the existing single-handle double-spool; the reverse is also the same.
  • the handle can be placed at the lowest rightmost operating position to obtain a specific flow B suitable for washing fruits and vegetables.
  • the handle is placed at the lowest leftmost operating position to obtain a specific flow rate A suitable for hand washing, while the lowermost operating position in the middle is the same as the existing single handle double spool.
  • the present invention can design different minimum stop corresponding flow rates of the flow adjustment area of the operating mechanism in the first fluid region according to different water points/use occasions, for example, forming a separate flow corresponding to the toilet washroom.
  • the flow rate A, the flow rate B for kitchen washing fruits and vegetables, the flow rate C suitable for living balcony washing, etc., are applied to the respective water points/use occasions to achieve the most user-friendly and convenient use at the same time.
  • the valve of this patent has two specific flow rates at the same time, which can correspond to two water points/use cases respectively.
  • the valve of the present invention has a specific state of two specific flows in addition to the closed state and the maximum flow state, the specific state of the specific flow rate can become the identification signal/control signal of the valve, and the fluid supply device The valve can be identified based on the particular flow information to correspondingly take corresponding control operations.
  • the water temperature control device for example, a water heater
  • the operating mechanism is first directly turned to the specific state, and the water heater is activated, and the water heater can detect (sensing) the specific valve to the toilet.
  • Specific signal corresponding to flow rate A (such as flow value or dynamic pressure / static pressure ratio or dynamic pressure / full pressure ratio or static pressure / dynamic pressure ratio, etc.), the valve identified as the toilet is performing hand washing operation, directly adjusting the water temperature To prefabricated temperature A suitable for hand washing; and if it is necessary to wash clothes in the restroom, the specific flow rate of another specific state of the valve corresponds to a feedback signal suitable for temperature of washing clothes, and the water heater adjusts the temperature again to a temperature suitable for washing clothes; When the user washes the dishes in the kitchen, the operating mechanism is first directly transferred to the specific state, and the water heater is activated.
  • flow rate A such as flow value or dynamic pressure / static pressure ratio or dynamic pressure / full pressure ratio or static pressure / dynamic pressure ratio, etc.
  • the water heater can detect (sensing) a specific signal corresponding to the specific flow D of the valve of the kitchen, and recognizes that it is a kitchen.
  • the valve is in the dishwashing operation, and the outlet water temperature is directly adjusted to the pre-made temperature D suitable for dishwashing; the kitchen valve can also be used. Preparation of two specific state of specific traffic, are fed back to the water heater is set so that the output suitable temperature. The same is true for bathroom showers.
  • the valve device can also connect only one of the inlet holes to the hot water, i.e., only the specific state of one of the specific flows of the spool is used as the identification/control signal.
  • the prior art hot fluid supply device for example, a gas water heater
  • the operating mechanism of the present invention can be
  • the flow rate of the minimum stop of the flow regulation area of a fluid zone (hot water zone) is greater than zero.
  • the heating system in the water heater will be closed, and the valve to the water heater
  • the remaining hot water in the road and the water heater tank can still be discharged from the valve, and the subsequent cold water will also enter the water tank and cool the water tank, thereby achieving full utilization of the hot water and solving the fouling of the water tank and continuing to use the heat.
  • the temperature of some hot water is significantly higher.
  • the flow rate of the minimum stop position of the flow regulating area of the first and second fluid regions of the patent valve is greater than zero. Therefore, the first and second fluid inlet ends can be respectively connected with two hot fluid supply devices, such as respectively Gas water heaters and electric water heaters can be used only when they are out of gas or only when they are powered off; for example, fast and instant water heaters and large-capacity volumetric water heaters are respectively provided to meet the different needs of quickly obtaining hot water and using large amounts of hot water, etc. Wait.
  • the quick-opening valve core is a common faucet valve core in daily life and production, especially the ceramic chip quick-opening valve core, which is a commonly used faucet valve core.
  • the ceramic chip quick-opening valve core has the advantages that the control handle is smooth and light, the ceramic piece (fixing piece, moving piece) is sealed, and the valve core has a long service life. On the other hand, since the control handle is smooth and light, it is easy to open the water flow to the maximum value when opening, and waste is caused by excessive water flow.
  • the flow adjustment stroke of the control handle is short, it is not suitable for controlling the water flow more accurately. That is, in daily life, although the faucet can obtain the maximum flow when the handle is opened to the maximum, in most cases, the maximum flow will not be used, even if large flow is required, it is usually a less than the maximum flow. One of the second largest traffic. However, the existing faucet cannot quickly adjust the handle to this position, and can only be adjusted slowly to obtain the flow value. In this option of the patent, the flow rates of the two maximum stops can meet the requirements of different fluids, and the fluid can be saved to the utmost, and the different maximum flow rates can be further selected according to different use requirements.
  • the first fluid inlet end, the second fluid inlet end, and the fluid outlet end of the valve device are integrated into a single device, or the first fluid inlet end, the second fluid inlet end, and the fluid outlet end are separately disposed in two Or within three single devices.
  • the valve means may be a single unit in which the first fluid inlet end, the second fluid inlet end and the fluid outlet end are integrated into a single unit, or may be separate or separate split units.
  • a typical representative of a single unit is the existing daily water taps, such as a single-handle double spool faucet.
  • the unit device generally includes a valve core, a valve core seat and a valve core housing, and a device housing, and the valve core seat is provided with an inlet and outlet respectively communicating with the first fluid inlet end, the second fluid inlet end and the fluid outlet end of the valve core respectively
  • the split device typically represented as a remote control valve, generally, the fluid outlet end and the operating mechanism are integrated, and the operating mechanism opens and closes the remote first fluid inlet end and the second fluid inlet end respectively. flow control.
  • the operating mechanism of the valve device including the external operating mechanism, and the internal operating mechanism connecting the external operating mechanism and the spool, may be a control handle, a control knob, a control ring or even a control button and a touch screen.
  • the valve device comprises a sealing piece composed of a fixing piece and a moving piece
  • the operating mechanism is a control handle for controlling the sliding sliding of the movable piece relative to the fixed piece
  • the fixed piece is provided with a separated first fluid inlet end, a second fluid inlet end and At the fluid outlet end
  • the movable piece is provided with a passage for communicating the first fluid inlet end and the fluid outlet end, or the second fluid inlet end and the fluid outlet end, or the first fluid inlet when the rotor is sealingly sliding relative to the fixed piece.
  • the first fluid inlet end and the fluid outlet end are communicated through the passage on the rotor when the handle is in the first fluid region, and the second fluid inlet is in the second fluid region when the handle is in the second fluid region
  • the end and the fluid outlet end communicate through a passage on the moving piece, and when the control handle is in the mixing area, the first fluid inlet end, the second fluid inlet end and the fluid outlet end communicate through the passage on the moving piece;
  • the opposite ends of the first fluid inlet end and the second fluid inlet end respectively have an extension bent toward the fluid outlet end, and the flow adjustment of the control handle in the first or second fluid region
  • the extension portion and the fluid outlet end of the first or second fluid inlet end communicate with each other through the passage on the moving piece, and the area of the overlapping area of the passage on the moving piece and the extending portion increases as the adjustment value increases,
  • the handle is adjusted from the first or second fluid region to the other fluid region and the area of the overlap region is reduced.
  • the opposite ends of the first fluid inlet end and the second fluid inlet end are respectively inclined toward the fluid outlet end, the two being in a "eight-shaped" distribution, the handle being in the first or second fluid
  • the region of the first or the second fluid inlet end that is relatively close to the fluid outlet end and the fluid outlet end communicate with the passage on the moving piece, and the adjustment channel increases the overlap of the channel on the moving piece with the region.
  • the area of the area is increased, and the area of the overlap area is reduced as the control handle is adjusted from the first or second fluid area to the other fluid area.
  • the first fluid inlet end and the second fluid inlet end are at a distance from the fluid outlet end, but the control stem is between the passage on the rotor and the first or second fluid inlet end in the first or second fluid region
  • the distance between the channel on the rotor and the first or second fluid inlet end when the control handle is in the mixed region, and the first stop of the flow control region of the first or second fluid region is the first stop.
  • the two fluid inlet end and the fluid outlet end communicate through the passage on the rotor, and as the adjustment value increases, the area of the overlap between the passage on the rotor and the first or second fluid inlet end increases, with the control handle from the first or second fluid region The fluid area is adjusted to the other side and the area of the overlap area is reduced.
  • the distance between the channel on the rotor and the first or second fluid inlet end (the distance is less than zero, partially overlapping) when the control handle is in the first or second fluid region is controlled by the limiting device.
  • the shank is closer to the first or second fluid inlet end (distance greater than zero, separated from each other) when the shank is in the mixing zone
  • the valve device includes a casing and an outer handle, and the casing is provided with a valve core and a valve core casing
  • the control handle, the external handle is connected to and operated by the control handle
  • the valve core comprises a sealing piece formed by the fixing piece and the moving piece
  • the limiting device is arranged on the moving piece and/or the fixed piece
  • the limiting device is arranged to move
  • the sheet and/or the valve core housing, or the limiting device is disposed on the control handle and/or the valve core housing, or the limiting device is disposed on the control handle and/or the outer casing, or the limiting device is disposed on the outer handle and
  • the first and/or the two fluid inlet ends of the valve means are hot fluid inlet ends, and the flow of the minimum stop of the flow regulating region of the first and/or second fluid region of the operating mechanism is greater than zero and less than 3 liters per minute. , or greater than 3 less than 5 liters / minute, or greater than 5 liters / minute.
  • the operating mechanism is in the first and second fluid zones when the flow rate is greater than zero and less than 3 liters/min.
  • the flow rate of the minimum stop of the flow regulating region of one or both of the domains is less than the minimum flow of the closed heating system of most of the hot fluid supply devices (eg, water heaters, particularly gas water heaters), as described above, which facilitates heat Normal use of the fluid supply device.
  • the hot fluid supply devices eg, water heaters, particularly gas water heaters
  • valve device is a single-handle double-spool
  • the operating mechanism is a control handle
  • the minimum stop of the control handle in the flow regulation area is the lower stop
  • the control handle is the single-heat of the spool mode in the first fluid region.
  • the mode is a single cooling mode of the spool mode in the second fluid region, and a cold and hot mixing mode of the spool mode in the mixed region;
  • the valve device has an open state in which the fluid outlet end flow is greater than zero to the spool state, and the fluid outlet The end flow rate is equal to zero, which is the closed state of the spool state; when the control handle is in the lower stop position of the single cold mode, the flow rate at the fluid outlet end is greater than zero, and the spool is in the single cold mode critical state or saves the state, when the control handle is in the single In the lower stop position of the hot mode, the flow rate at the fluid outlet end is greater than zero, and the spool is in a single thermal mode critical state or saved state.
  • the present invention is specifically applied to an existing single-handle double spool.
  • the single heat mode means that only the hot water is discharged at the fluid outlet end, and when the first fluid is hot water, it is the first fluid region; likewise, the single cold mode means that only the cold water is discharged from the fluid outlet end. When the second fluid is cold water, it is the second fluid region.
  • the concepts of the single-heat mode and the single-cool mode are applicable to the entire patent and will not be repeated hereinafter.
  • the maximum stop of the handle in the flow adjustment area is the upper stop position, and the adjustment position is between the upper stop position and the lower stop position; when the control handle is in the lower stop position of the hot and cold mixing mode, The spool is closed.
  • the stop position from single cooling mode to single cooling mode is the single cooling mode large flow adjustment area.
  • the stop position from single cooling mode to cold and hot mixing mode is single cooling mode and small flow.
  • the adjustment area; from the single-heat mode to the single-heat mode, the upper stop is the single-heat mode large-flow adjustment area, and the stop position from the single-heat mode to the cold-hot mixing mode is the single-heat mode small-flow adjustment area.
  • a thermal fluid supply system comprising the aforementioned valve device, and one or two thermal fluid supply devices, the hot fluid outlets of each thermal fluid supply device being exclusively in communication with the first and/or second fluid inlet ends of the valve device, respectively And the thermal fluid supply device is controlled (directly or indirectly controlled) by the operating mechanism of the valve device to open or close its hot fluid supply, the thermal fluid supply device having a minimum flow rate to close its heating system, the first and / or two of the valve device When the flow rate at the fluid inlet end is lower than the minimum flow rate, the communicating thermal fluid supply device will shut down its heating system, and the operating mechanism of the valve device is at the minimum stop position of the flow regulating region of the first and/or second fluid region, first And/or flow at the inlet of the two fluids Greater than zero, but below the minimum flow of the heating fluid system that is in communication with it to shut down its heating system.
  • the hot fluid only relative to the cold fluid, does not have an absolute meaning, that is, the hot fluid is only a fluid having a higher temperature than the cold fluid.
  • Cold fluid usually refers to a normal temperature fluid. Taking water as an example, the most common is tap water in daily life. At the same time, the cold fluid can also be a lower temperature water obtained by further cooling the normal temperature water.
  • Hot water in general, refers to water that is heated to a temperature that is further heated by normal temperature water.
  • the hot fluid supply device may be a device having a fluid heating function, such as various water heaters (gas water heaters, electric water heaters, etc.).
  • the flow rate of the minimum stop position of the flow regulating area of the first and second fluid regions of the valve of the patent is greater than zero, when only one hot fluid supply device is connected, it can be connected with one (ie, connecting the first or second Fluid inlet end); if two hot fluid supply devices are connected, they can be connected separately (one connected to the first fluid inlet end and the other connected to the second fluid inlet end) to control different thermal fluid supply devices.
  • a fluid supply system comprising at least one of the aforementioned valve means, and a fluid supply means, the fluid outlets of the fluid supply means are in communication with the first and / or second fluid inlet ends of the respective valve means, respectively, and according to the operating mechanism of the valve means Controlling the fluid supply of the first or second fluid inlet end flow control (directly or indirectly) to the fluid supply device.
  • the fluid supply device has identification means for identifying a flow signal of each valve means at a minimum stop of the flow regulating region of the operating mechanism in the first and / or second fluid region, and controlling based on the identification of the identification device Its internal operating controls.
  • the fluid supply device is a thermal fluid supply device having a heating system for heating the fluid therein, the hot fluid outlet of the thermal fluid supply device being in communication with the first and/or second fluid inlet ends of each valve device, and The first or second fluid inlet end flow control (direct or indirect control) of the hot fluid supply of the thermal fluid supply is controlled by an operating mechanism of the valve means.
  • the valve device of the present patent is combined with an existing fluid supply device into a fluid supply system. Since the valve device of the present patent has two of the aforementioned specific flow information, when the specific flow information is utilized by the fluid supply device, the existing fluid is made
  • the supply device has the potential to form an intelligent fluid supply system that outputs different fluids for different valve devices. For example, after the identification device of the fluid supply device recognizes the signal, the fluid corresponding to the valve can be controlled by the control device, whereby different valve devices can obtain the fluid most suitable for use (and since the valve device of the patent has Two of the aforementioned specific flow information, whereby each of the valve devices of this patent can obtain two fluids that are most suitable for their use.
  • the fluid supply device is a hot fluid supply device (for example, a water heater)
  • a hot fluid supply device for example, a water heater
  • different specific flow information may be assigned to different fluid temperatures according to different use occasions/requirements, and thus, each valve device may be suitable for use thereof.
  • Demand fluid temperature for example, a water heater
  • the water temperature control device for example, a water heater
  • the operating mechanism when the user washes the hand in the bathroom, the operating mechanism is placed in the minimum stop position of the flow regulating area of the first fluid region, the hot water
  • the device can continuously detect (sensing) a specific signal corresponding to the continuous specific flow rate A of the valve of the restroom (such as a flow value or a dynamic pressure/static pressure ratio or a dynamic pressure/total pressure ratio or a dynamic pressure/static pressure ratio, etc.)
  • the valve identified as the restroom is subjected to a hand washing operation to directly adjust the outlet water temperature to a pre-fabricated temperature A suitable for hand washing; and if it is necessary to wash the laundry in the restroom, the operating mechanism is placed in the second fluid region to minimize the flow adjustment area.
  • the specific flow rate of the other specific state of the valve corresponds to the feedback signal suitable for the temperature of the laundry, and the water heater adjusts the temperature again to the temperature suitable for washing clothes; and when the user washes the dishes in the kitchen, the operating mechanism is also placed.
  • the minimum stop of the flow regulating area of the first fluid zone the water heater continues to detect (sensing) a specific signal corresponding to the continuous specific flow D of the valve of the kitchen, identified as a kitchen valve being subjected to a dishwashing operation, directly Adjust the outlet water temperature to a pre-made temperature D suitable for dishwashing; the kitchen valve can also have a specific state of two specific flows, respectively fed back to the heat
  • the water device makes it output the appropriate water temperature. The same is true for bathroom showers.
  • the utility model relates to a single-handle double water-saving valve core.
  • the spool mode has a single cooling mode, a single heating mode and a hot and cold mixing mode, and the control handle is placed in an adjustment area and a lower stop position, and the spool state has an open state and a closed state.
  • the control handle is placed in the single cold mode
  • the water-saving spool is in the single-cool mode saving state
  • the water-saving spool is in the single-heat mode saving state when the control handle is placed in the single-heat mode.
  • the cold water inlet and the water outlet are communicated between the cold water inlet hole and the water outlet hole on the fixed piece through the passage of the upper passage of the moving piece.
  • the water-saving valve core is in a single-cooling mode to save the state; when the control handle is placed in the single-heat mode, the hot water inlet hole and the water outlet hole on the fixed piece pass through the communication of the upper channel of the moving piece, and the heat advances.
  • the water hole communicates with the water outlet hole, so that the water saving valve core is in a single heat mode saving state.
  • a single-handle double-water-saving spool has a single-cool mode, a single-heat mode, and a hot-hot mixing mode, and the control handle is placed in the upper stop position, the adjustment area, and the lower stop position.
  • the core state has an open state and a closed state, and the water-saving spool is in a single-cooling mode critical state when the control handle is placed in the single-cool mode, and the water-saving spool is in the single-heat mode when the control handle is placed in the single-heat mode.
  • the water-saving spool In the critical state, the water-saving spool is closed when the control handle is placed in the cold-hot mixing mode, and the stop position from the single-cool mode to the single-cool mode upper stop is the water-saving spool single-cooling mode large flow adjustment area.
  • the stop position From the single cold mode to the cold and hot mix mode, the stop position is the water-saving spool single-cooling mode small flow adjustment area, from the single-heat mode stop position to the single-heat mode upper stop position is the water-saving spool single-heat mode.
  • the stop position from the single-heat mode to the cold-hot mixing mode In the large flow adjustment area, the stop position from the single-heat mode to the cold-hot mixing mode is the water-saving spool single-heat mode small flow adjustment area.
  • the cold water inlet and the water outlet are communicated between the cold water inlet hole and the water outlet hole on the fixed piece through the passage of the upper passage of the moving piece.
  • the water-saving valve core is in a single cold mode critical state; when the control handle is placed in the single-heat mode, the hot water inlet hole and the water outlet hole on the fixed piece pass through the communication of the upper channel of the moving piece, and the heat advances The water hole communicates with the water outlet hole, so that the water-saving valve core is in a single heat mode critical state.
  • the handle placement position refers to the operable physical position of the control handle to adjust the flow rate, for the lift type open tap (typically a single handle double valve), the lift handle By vertically lifting up, the angle of the raised angle is used to control the flow of water.
  • the faucet When the angle is zero, the faucet is closed, and the handle position is the lower stop position, which is the minimum adjustment position (lower stop/minimum stop position);
  • the handle position When the lifting angle is maximum (the flow rate is usually the largest at this time), the handle position is the upper stop position, which is the maximum adjustment position (top stop/maximum stop position), and the adjustment area is between the upper stop position and the lower stop position.
  • the wrench handle is opened by horizontal rotation, and the flow angle is controlled by the angle of opening. The larger the opening angle is, the larger the flow rate is.
  • the point with the angle of 0° (usually the closed position) is the minimum adjustment position (bottom stop position)
  • the bit/minimum stop position) is the other point with the largest angle (usually the maximum flow position) is the maximum adjustment position (top stop/maximum stop position).
  • the single heat mode means that only the hot water is discharged from the outlet end of the spool (outlet hole).
  • the single cold mode means that only the cold water is discharged from the outlet end of the spool.
  • the flow rate at the outlet end of the spool is greater than zero, which is the open state of the spool state, and the flow at the outlet end of the spool is equal to zero, which is the closed state of the spool state; when the control handle is in the lower stop position of the single cooling mode, the flow at the outlet end of the spool is greater than zero.
  • the spool is in the single cold mode critical state or saved state, or when the control handle is in the bottom stop position of the single heat mode, the flow rate of the spool outlet is greater than zero, and the spool is in the single thermal mode critical state or saved state.
  • the water outlet of the valve core is mixed with cold water and hot water.
  • the cold water inlet hole and the hot water inlet hole on the fixed piece are simultaneously connected to the water outlet hole through the passage on the moving piece. It also has a top stop and a bottom stop. Generally, the top stop flow is the largest and the bottom stop is the closed state.
  • the opposite ends of the hot water inlet hole and the cold water inlet hole respectively have an extension portion bent toward the water outlet hole, and the control handle is in the single heat mode.
  • the extension portion and the water outlet hole of the hot water inlet hole or the cold water inlet hole communicate with the passage on the moving piece, and the area of the overlapping area of the passage on the upper moving piece and the extending portion with the lower stop position Increase, as the control handle is adjusted from single-heat mode or single-cool mode to the other mode, and the area of the overlap area is reduced.
  • the opposite ends of the hot water inlet hole and the cold water inlet hole are respectively inclined toward the water outlet hole, and the two are arranged in a “eight-shaped shape”, and the control handle is provided.
  • the area of the hot water inlet or the cold water inlet hole relatively close to the water outlet hole and the water outlet hole communicate with each other through the passage on the moving piece, and the passage on the upper moving piece with the lower stop position
  • the area of the overlapping area of the area is increased, and the area of the overlapping area is reduced as the control handle is adjusted from the single heating mode or the single cooling mode to the counterpart mode.
  • the hot water inlet hole and the cold water inlet hole have the same distance from the water outlet hole, but the passage and heat on the moving piece of the control handle in the single heat mode or the single cooling mode.
  • the distance between the inlet hole or the cold inlet hole is closer to the distance between the hot inlet hole or the cold inlet hole than the control handle in the mixed area, and the control handle is in single heating mode or single cooling mode.
  • the distance between the channel on the moving piece and the hot water inlet or the cold water inlet hole of the control handle in the single heat mode or the single cooling mode by the limiting device is compared with the control handle in the mixed area.
  • the passage on the moving piece is closer to the hot water inlet hole or the cold water inlet hole
  • the valve device comprises a casing and an outer handle
  • the valve body is provided with a valve core and a valve core casing and a control handle
  • the external handle is connected with the control handle and Actuated
  • the valve core comprises a sealing piece composed of a fixing piece and a moving piece
  • the limiting device is arranged on the moving piece and/or the fixed piece, or the limiting device is arranged on the moving piece and/or the valve core casing
  • the bit device is disposed on the handle and/or the spool housing, or the limiting device is disposed on the handle and/or the housing, or the limiting device is disposed on the external handle and/or the housing.
  • the flow rate of the hot water inlet hole is greater than zero or less than 3 liters/min.
  • a thermal fluid supply system comprising the aforementioned single-handle double-connected water-saving spool, and a thermal fluid supply device having a heating system for heating the fluid therein, a hot fluid outlet of the thermal fluid supply device and a single-handle double water-saving device
  • the hot water inlet of the spool communicates, and the hot fluid supply device controls the hot fluid supply to open or close the hot fluid supply by the handle of the single-handle double-water-saving spool.
  • the hot fluid supply has a minimum flow rate to close its heating system.
  • the connected thermal fluid supply device When the flow rate of the hot water inlet of the double-joint water-saving spool is lower than the minimum flow, the connected thermal fluid supply device will close its heating system, and the operating mechanism of the single-handle double-water-saving spool will stop in the single heat mode. In the case of a position, the flow rate of the hot water inlet hole is greater than zero, but is lower than the lowest flow rate of the heating system in which the thermal fluid supply device connected thereto is closed.
  • a fluid supply system comprising at least one valve device, and a fluid supply device, the fluid outlets of the fluid supply device are respectively in communication with the fluid inlet ends of the respective valve devices, and the fluid inlet end flow control fluid supply device is controlled according to the operating mechanism of the valve device
  • the valve device is the aforementioned single-handle double-connected water-saving valve core, and the fluid outlets of the fluid supply device are respectively connected with the hot water inlet holes and/or the cold water inlet holes of the single-handle double water-saving valve core.
  • the fluid supply device has identification means for identifying flow signals of the respective single-handle double-water-saving spools in their single-heat mode and/or single-cooling mode, and identification based on the identification means As a result, the control device that controls its internal operation is controlled.
  • the fluid supply device is a thermal fluid supply device having a heating system for heating the internal fluid thereof, the hot fluid outlet of the thermal fluid supply device being in communication with the hot water inlet of each of the single-handle double water-saving spools,
  • the hot fluid supply of the hot fluid supply device is controlled by the control handle of the single-handle double-water-saving spool.
  • control handle In the case of a conventional spool, for ease of handling, the control handle is usually placed in the lower stop position to set the spool to the closed state, and the lower stop to the upper stop is the spool flow adjustment area.
  • the control stem For the single-handle double common spool, the control stem is placed in the single-cool mode stop position, the single-heat mode stop position, and the hot-cold mix mode stop position when the spool is closed.
  • the single-handle double-saving water-saving valve core of the invention sets the control handle into the single-cool mode, and the stop position is set to the critical state of the valve core single-cooling mode (or the state of saving/ The spool saves the state), the control handle is placed in the single thermal mode, the stop position is set to the spool single heat mode critical state (or the saving state/spool saving state), and the control handle is placed in the cold and hot mixing mode. (Or the middle position of the stop in the hot and cold mixing mode) is set to the spool closed state, that is, the flow rate of the minimum stop of the flow regulating region of the operating region in the mixing region is equal to zero as described above.
  • the water-saving spool of the present invention adds a state/critical state that is easy to handle.
  • the water-saving spool in the state of saving/critical state can be set according to factors such as the type of water-saving spool, the way of use, and the water-saving requirements.
  • the easy-to-operate operation refers to the operation difficulty of the water-saving valve core placing the control handle into the lower stop position (making the water-saving valve core in a certain open state), which is obviously lower than that of the ordinary valve core to put the control handle into the adjustment area.
  • the difficulty of operation in a specific position making the normal spool in a specific open state).
  • the critical state/saving state means that the water-saving spool is in a specific open state (corresponding to a specific open state in which the spool is placed when the control spool is placed in a certain position in the flow regulating region), that is, the foregoing
  • the operating mechanism has a flow rate of a minimum stop of the flow regulating region of the first or second fluid region that is greater than a specific flow state of zero.
  • the adjustment area of the water-saving spool in the single cooling mode of the present invention is divided into a large flow adjustment area and a small flow adjustment area, that is, from the single cold mode to the single cold mode, the upper stop is the water saving spool single cooling mode.
  • the adjustment zone that is, the first or second fluid zone in the mixing degree adjustment zone, as described above.
  • the adjustment area in the single-heat mode of the water-saving spool of the present invention is divided into a large flow adjustment area and a small flow adjustment area, that is, from the single-heat mode to the single-heat mode, the upper stop is the water-saving spool single-heat mode.
  • the large flow rate (greater than the critical state flow) adjustment area, from the single-heat mode stop position to the cold-hot mixed mode stop position is the water-saving spool single-heat mode small flow (less than the critical state flow) adjustment area.
  • the adjustment stroke of the control shank of the water-saving valve core of the present invention in the single-cooling mode and the single-heat mode is expanded, that is, the adjustment stroke of the ordinary valve core one-stage (lower stop--top stop) is extended to the section.
  • the water valve core has two stages (lower stop position - upper stop position + lower stop position - lower stop position) to adjust the stroke.
  • the water-saving valve core of the present invention is a cold water inlet hole on the fixed piece when the control handle is placed in the single cooling mode. Between the water outlet and the water outlet hole, the cold water inlet hole communicates with the water outlet hole, so that the water-saving valve core is in a single-cooling mode critical state; when the control handle is placed in the single-heat mode stop position, Between the hot water inlet hole and the water outlet hole on the fixed piece, through the communication of the upper channel of the moving piece, the hot water inlet hole communicates with the water outlet hole, so that the water saving valve core is in a single heat mode critical state (or saving state/ The spool saves the state).
  • the single-handle double-saving water-saving valve core made of the above structure, for example, the ceramic sealing piece single-handle double-saving water-saving valve core, the main components thereof are a control handle, a ceramic fixing piece and a ceramic moving piece.
  • the ceramic fixing piece is provided with a hot water inlet hole, a cold water inlet hole and a water outlet hole
  • the ceramic moving piece is provided with a passage.
  • the water-saving spool is in the single-cool mode open state, and its flow rate is adjustable;
  • the single-cool mode adjustment area is divided into a single-cool mode large flow adjustment area, a single-cool mode critical state, and a single-cool mode small flow adjustment area: (1) when controlling The handle is placed in a single-cooling mode large flow adjustment area, and the passage on the ceramic moving piece connects the cold water inlet hole on the ceramic fixing piece with the water outlet hole, and the water-saving valve core is in a single-cooling mode and a large flow opening state, and the flow rate is greater than the critical state flow rate and (2) When the control handle is placed in the single cold mode, the channel on the ceramic moving piece connects the cold water inlet hole on the ceramic fixed piece with the water outlet hole, and the water saving valve core is in the single cold mode critical state, and the flow rate thereof The specific flow value of the critical state flow; (3) When the control handle is placed in the single-cool mode small flow adjustment area, the passage on the ceramic rotor connects the cold inlet hole
  • the state flow is adjustable; (5) When the control handle is placed in the single thermal mode, the channel on the ceramic rotor communicates the hot water inlet on the ceramic stator with the water outlet, and the water saving spool is in the single thermal mode critical state. , the flow rate is the specific flow value of the critical state flow; (6) when the control handle is placed into the single heat mode small flow adjustment area, the passage on the ceramic moving piece connects the hot water inlet hole on the ceramic fixed piece with the water outlet hole, the water saving valve The core is in a single-heat mode with a small flow opening state, and the flow rate is smaller than the critical state flow rate and adjustable; when the control handle is placed in the hot and cold mixing mode adjustment area, the passage on the ceramic rotor piece is fixed on the ceramic plate The water outlet hole communicates with the cold water inlet hole and the hot water inlet hole at the same time, the water-saving valve core is in the hot and cold mixed mode, and the flow rate is adjustable; (7) when the control handle is placed in the hot and cold mixing mode, the
  • the water-saving spool adopts a similar opening and closing operation method as the ordinary spool, and retains the advantages of the ordinary spool, for example, the hot and cold water adjustment is convenient and flexible, the control handle is smooth and light, and the valve core has a long service life.
  • the operation mode is as follows: (a) If hot water is not required during the use of hot water, the control handle can be placed in a small flow adjustment area (or critical state).
  • the small flow regulating area is smaller than the critical state flow, that is, less than the minimum closing flow rate of the gas water heater, the gas water heater does not consume gas when it is turned off; on the other hand, since the water saving valve core is in the small flow regulating area (or critical state), hot and cold
  • the water system (stored in the hot water line and inside the gas water heater) still has a small flow of hot water flowing out to meet the short-term hot water demand. (b)
  • the control handle is placed in the small flow adjustment area (or critical state) from the large flow adjustment area in advance, the large flow hot water is switched to the small flow hot water, and finally the control handle is controlled by the small flow adjustment area. (or critical state) placed in the off state.
  • the above operation can not only save hot water and gas, but also effectively prevent scaling of the inner wall of the gas water heater.
  • the water heater is turned off in the state of saving the spool, the internal hot water continues to flow out for use, and the cold water enters the water heater and lowers the temperature of the water heater), which is conducive to maintaining the water heater. Normal heat transfer efficiency and long life.
  • FIG. 1 is a schematic cross-sectional view of a water-saving valve core in Embodiment 3.
  • Figure 2 is a cross-sectional view showing the water-saving valve core of the third embodiment.
  • Figure 3 is a cross-sectional view showing the water-saving spool of the third embodiment.
  • Figure 4 is a cross-sectional view showing the water-saving spool of the third embodiment.
  • Fig. 5 is a cross-sectional view showing the water-saving valve core of the third embodiment.
  • Fig. 6 is a schematic cross-sectional view showing the water saving valve core of the third embodiment.
  • Figure 7 is a cross-sectional view showing the water-saving spool of the third embodiment.
  • Figure 8 is a cross-sectional view showing the water-saving valve core of the third embodiment.
  • Figure 9 is a cross-sectional view showing the water-saving spool of the third embodiment.
  • Figure 10 is a cross-sectional view showing the water-saving valve core of the fourth embodiment.
  • Figure 11 is a cross-sectional view showing the water-saving valve core of the fourth embodiment.
  • Figure 12 is a cross-sectional view showing the water-saving spool of the fourth embodiment.
  • Figure 13 is a cross-sectional view showing the water-saving spool of the fourth embodiment.
  • Figure 14 is a cross-sectional view showing the water-saving spool of the fourth embodiment.
  • Figure 15 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 16 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 17 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 18 is a cross-sectional view showing the water-saving spool of the fifth embodiment.
  • Figure 19 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 20 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 21 is a cross-sectional view showing the water-saving spool of the fifth embodiment.
  • Figure 22 is a cross-sectional view showing the water-saving spool of the fifth embodiment.
  • Figure 23 is a cross-sectional view showing the water-saving valve core of the fifth embodiment.
  • Figure 24 is a flow chart showing the apparatus of the sixth embodiment.
  • a valve device comprising a valve device that controls a fluid passage state when a fluid passes, and an operating mechanism that achieves the aforementioned control by operating in an operating region thereof, the valve device having a first fluid inlet end, a second fluid inlet end, and a fluid At the outlet end, the operating region of the operating mechanism is divided into a mixing degree adjusting region for adjusting the degree of mixing of the first fluid and the second fluid, and a flow regulating region for adjusting the flow rate of the fluid outlet end thereof in the mixing degree adjusting region, and the mixing degree adjusting region is divided into a fluid.
  • first fluid inlet end, the second fluid inlet end, and the fluid outlet end of the valve device are integrated into a single device.
  • the valve device comprises a sealing piece composed of a fixing piece and a moving piece
  • the operating mechanism is a control handle for controlling the sliding sliding of the movable piece relative to the fixed piece.
  • the fixed piece is provided with a separated first fluid inlet end, a second fluid inlet end and a fluid.
  • the movable piece is provided with a passage for connecting the first fluid inlet end and the fluid outlet when the movable piece is sealed and sliding relative to the fixed piece.
  • the passage on the movable piece communicates with the second fluid inlet end and the fluid outlet end communicating through the passage on the moving piece when the control handle is in the second fluid region, and the first fluid inlet end, the second fluid inlet end and the control handle are in the mixing region
  • the fluid outlet end communicates through the passage on the moving piece; when the control handle is adjusted in the flow regulating area, the area of the overlapping area of the passage on the moving piece with the first fluid inlet end, the second fluid inlet end and the fluid outlet end changes; the control handle is in the When the flow adjustment region of the one or two fluid regions is at the minimum stop position, the first or second fluid inlet end and the fluid outlet end communicate through the passage on the moving piece, and when the flow adjustment region of the mixed region is at
  • valve device is a single-handle double-spool valve
  • the operating mechanism is a control handle
  • the minimum stop position of the control handle in the flow regulation area is a lower stop
  • the control handle is a single-heat of the spool mode in the first fluid region.
  • the mode is a single cooling mode of the spool mode in the second fluid region, and a cold and hot mixing mode of the spool mode in the mixed region;
  • the valve device has an open state in which the fluid outlet end flow is greater than zero to the spool state, and the fluid outlet The end flow rate is equal to zero, which is the closed state of the spool state; when the control handle is in the lower stop position of the single cold mode, the flow rate at the fluid outlet end is greater than zero, and the spool is in the single cold mode critical state or saves the state, when the control handle is in the single In the lower stop position of the hot mode, the flow rate at the fluid outlet end is greater than zero, and the spool is in a single thermal mode critical state or saved state.
  • the maximum stop position of the handle in the flow adjustment area is the upper stop position, and the adjustment area is between the upper stop position and the lower stop position; when the control handle is in the lower stop position of the hot and cold mixing mode, the spool is closed, from the single cold
  • the mode from the stop position to the single cold mode is the single cold mode large flow adjustment area.
  • the stop position from the single cold mode to the cold and hot mix mode is the single cold mode small flow adjustment area;
  • the single-hot mode upper stop position is the single-heat mode large flow adjustment area.
  • the stop position from the single-heat mode to the cold-hot mixing mode is the single-heat mode small flow adjustment area.
  • a single-handle double-connected water-saving valve core has a single-heat mode, a single-cool mode, and a hot-hot mixing mode
  • the control handle is placed in a top stop position (ie, the maximum stop position of the flow adjustment area)
  • the adjustment area ie between the maximum and minimum stop of the flow adjustment area
  • the bottom stop ie the minimum stop of the flow adjustment area
  • the spool state has an open state (ie, the fluid outlet end flow is greater than zero) and the closed state (ie, the flow at the outlet of the fluid is equal to zero).
  • the water-saving spool When the control handle is placed in the single-cool mode, the water-saving spool is in the single-cool mode critical state (or saved state), and the control handle is placed in the single-heat mode.
  • the water-saving spool is in the single-heat mode critical state (or save state), and the water-saving spool is closed when the control handle is placed in the cold-hot mixing mode, from the single-cool mode to the single-cool mode.
  • the stop position is the water-saving spool single-cooling mode large flow adjustment area.
  • the stop position from the single cooling mode to the cold-hot mixing mode is the water-saving spool single-cooling mode small flow adjustment area, and the stop position from the single-heat mode.
  • the upper stop is the water saving spool Large area flow regulating mode, single bit from the stop mode to stop the cold heat mixed mode bit is a single spool saving mode small heat flow regulating region.
  • the critical state means that the water-saving spool is in a certain open state (corresponding to a specific opening state in which the spool is placed when the control spool is placed in a specific position of the flow regulating region) .
  • the water saving valve of the present invention The adjustment area in the core single cooling mode is divided into a large flow adjustment area and a small flow adjustment area, that is, from the single cold mode stop position to the single cold mode upper stop position is the water saving spool single cold mode large flow rate (greater than the critical state flow rate)
  • the adjustment area, from the stop position in the single cooling mode to the stop position in the hot and cold mixing mode, is the small flow rate (less than the critical state flow) adjustment area of the water-saving spool single cooling mode.
  • the adjustment area in the single-heat mode of the water-saving spool of the present invention is divided into a large flow adjustment area and a small flow adjustment area, that is, from the single-heat mode to the single-heat mode, the upper stop is the water-saving spool single-heat mode.
  • the large flow rate (greater than the critical state flow) adjustment area, from the stop position in the single heat mode to the stop position in the hot and cold mixing mode, is the small flow rate (less than the critical state flow) adjustment area of the water-saving spool single cooling mode.
  • the regulating stroke of the control valve of the water-saving valve core of the invention in the single-cooling mode and the single-heat mode is expanded, that is, the one-step adjustment stroke of the ordinary valve core is extended to the two-stage adjustment stroke of the water-saving valve core.
  • the flow rate value of the water-saving spool in a critical state can be set according to factors such as the type of the water-saving spool, the mode of use, and the water-saving requirement. For example, for a kitchen faucet of the DN15 specification, the maximum flow rate of the single-handle double-water-saving spool is 20 liters/min, and the critical flow value is set to 5 liters/min. Then, the water-saving spool of this embodiment is large. The flow adjustment area is >5 liters/min, and the small flow adjustment area is ⁇ 5 liters/min.
  • both the single cold mode stop position and the single heat mode stop position are set to a critical state, which is beneficial to save cold water and hot water.
  • a critical state which is beneficial to save cold water and hot water.
  • Embodiment 2 This embodiment is similar to Embodiment 1, except that in the present embodiment, the single-heat mode (such as the first fluid region) has a critical state specific flow value of 3 liters/min, and the single-cool mode (such as the second fluid region) is critical.
  • the status-specific flow value is still 5 liters/min.
  • a thermal fluid supply system comprising the aforementioned valve device, and one or two thermal fluid supply devices (e.g., various water heaters), the thermal fluid outlets of each of the thermal fluid supply devices being exclusively associated with the first and/or valve devices, respectively
  • the two fluid inlet ends (such as a water heater connected to one of the water inlet holes, or two water heaters each connected to a water inlet hole, or one water heater simultaneously connecting the two water inlet holes) are connected and controlled by the operating mechanism of the valve device (directly or Indirect control) each thermal fluid supply device turns its thermal fluid supply on or off, the thermal fluid supply having a minimum flow rate to shut down its heating system, the flow rate of the first and/or second fluid inlet ends of the valve device being lower than the minimum flow rate
  • the communicating thermal fluid supply device will shut down its heating system, and the operating mechanism of the valve device has a flow rate greater than zero at the first and/or second fluid inlet end when the flow control region of the first and/or second fluid region is at a minimum stop.
  • the lower flow rate of the heating system is turned off below the thermal fluid supply connected thereto.
  • the first and / or two fluid inlet ends of the valve means are hot fluid inlet ends, and the flow rate of the minimum stop of the flow regulating region of the first and / or two fluid zones of the operating mechanism is greater than zero or less than 3 liters / Minute.
  • the single-heat mode critical state flow value is set to 3 liters/min, which is smaller than the common domestic gas water heater minimum closing flow value, which not only saves hot water but also is particularly beneficial for the normal use of the gas water heater.
  • the operation mode is as follows: (a) In the process of using hot water, if a large flow of hot water is not required, the control handle can be placed in a single heat mode small flow adjustment area or a critical state.
  • the gas water heater does not consume gas when it is turned off; on the other hand, since the water saving valve core is in the single heat mode small flow regulating area or critical state, cold
  • the hot water system (stored in the hot water pipeline and inside the gas water heater) still has a small flow of hot water flowing out to meet the short-term hot water demand.
  • the control handle When the hot water is turned off, the control handle is placed in a small flow of hot water or a critical state in advance by a large flow of hot water, and finally the control handle is placed in a closed state by a small flow of hot water or a critical state.
  • the above operation can not only save hot water and gas, but also effectively prevent scaling of the inner wall of the gas water heater (the internal hot water continues to flow out after the water heater is turned off, and the cold water enters the water heater and lowers the temperature of the inner wall of the water heater), which is particularly beneficial for maintaining the normal heat transfer efficiency of the water heater. And extend the service life.
  • this embodiment is basically the same as the first embodiment. More specifically, the embodiment is a ceramic single-handle double-joint water-saving valve core, and the spool mode has a single heat mode, a single cooling mode, and In the hot and cold mixing mode, the handle is placed in the upper stop position, the adjustment area and the lower stop position.
  • the spool state has an open state and a closed state. When the control handle is placed in the single cold mode, the water saving spool is in a single position.
  • the water-saving spool In the cold mode critical state, when the control handle is placed in the single-heat mode, the water-saving spool is in the single-heat mode critical state, and the water-saving spool is closed when the control handle is placed in the cold-hot mixing mode.
  • the stop position to the single cooling mode In the single cooling mode, the stop position to the single cooling mode is the water-saving spool single-cooling mode large flow adjustment area.
  • the stop position from the single cooling mode to the cold-hot mixing mode is the water-saving spool single cooling mode.
  • the flow adjustment area from the single-heat mode stop position to the single-heat mode upper stop position, is the water-saving spool single-heat mode large flow adjustment area, from the single-heat mode stop position to the cold-hot mixing mode, the stop position is the water-saving valve Core single thermal mode small flow regulation area.
  • 1 is a schematic cross-sectional view of the fixing piece 1, in which the upper left side is a cold water inlet hole 1-1, the upper right side is a hot water inlet hole 1-2, and the lower part is a water outlet hole 1-3.
  • 2 is a schematic cross-sectional view of the movable piece 2, and the middle portion (in the figure) is a channel 2-1.
  • the shape of the cold water inlet hole 1-1 and the hot water inlet hole 1-2 on the fixing piece 1 in this embodiment is changed, and the rest of the structure is the same.
  • the embodiment Since the shape of the cold water inlet hole 1-1 and the hot water inlet hole 1-2 on the fixing piece 1 extends downward (in the figure), when the control handle of the embodiment is placed in the single cold mode, Between the cold water inlet hole 1-1 and the water outlet hole 1-3 on the fixed piece 1, the cold water inlet hole 1-1 communicates with the water outlet hole 1-3 through the communication of the passage 2-1 on the movable piece 2. Therefore, the embodiment is in a single cold mode critical state, see FIG. 3; when the control handle of the embodiment is placed in the single thermal mode, the fixed piece is 1 between the hot water inlet hole 1-2 and the water outlet hole 1-3, through the communication of the channel 2-1 on the moving piece 2, the hot water inlet hole 1-2 and the water outlet hole 1-3 communicate with each other. The embodiment is in a single thermal mode critical state, see Figure 4.
  • control handle is placed in the cold and hot mixing mode, and the water outlet hole 1-3 on the fixed piece 1 is not connected to the cold water inlet hole 1-1 and the hot water inlet hole 1-2.
  • the water spool is closed, see Figure 5.
  • the stop position from the single cooling mode to the single cooling mode is the water saving spool single cooling mode large flow adjustment area, see FIG. 6 , from the single cooling mode to the cold and hot mixing mode.
  • the stop position is the water-saving spool single-cooling mode small flow adjustment area, see Figure 7; from the single-heat mode stop position to the single-heat mode upper stop position is the water-saving spool single-heat mode large flow adjustment area, see Figure 8.
  • the stop position from the single-heat mode to the cold-hot mixing mode is the water-saving spool single-heat mode small flow adjustment area, see Figure 9.
  • the arrows in the figure show the direction of movement of the rotor 2 during flow adjustment.
  • FIG. 10 is a schematic cross-sectional view of the fixing piece 1, in which the upper left side is a cold water inlet hole 1-1, the upper right side is a hot water inlet hole 1-2, and the lower part is a water outlet hole 1-3.
  • the shape of the cold water inlet hole 1-1 and the hot water inlet hole 1-2 is similar to that of the ordinary valve core, and the cold water inlet hole 1-1 is different from the ordinary valve core.
  • the hot water inlet hole 1-2 has a "eight-shaped" distribution in the figure; compared with the ceramic valve single-handle double common valve core, the shape of the upper portion of the water outlet hole 1-3 (in the figure) is reduced.
  • Figure 11 is a schematic cross-sectional view of the rotor 2, the shape of the upper portion of the channel 2-1 (in the figure) is reduced as compared with the single-handle double valve of the ceramic piece.
  • the hot water inlet hole 1-2 and the water outlet on the fixed piece 1 are Between the holes 1-3, through the communication of the channel 2-1 on the moving piece 2, the hot water inlet hole 1-2 communicates with the water outlet hole 1-3, so that the embodiment is in a single heat mode critical state, see FIG. .
  • control handle is placed in the middle position of the stop position in the hot and cold mixing mode, and the water outlet holes 1-3 on the fixed piece 1 are not combined with the cold water inlet hole 1-1 and the hot water inlet hole 1-2. Connected, the water-saving spool is closed, see Figure 14.
  • the embodiment is basically the same as the first embodiment. More specifically, the embodiment is a single-handle double-joint water-saving valve core of a ceramic piece, and the valve core mode has a single heat mode, a single cooling mode, and In the hot and cold mixing mode, the handle is placed in the upper stop position, the adjustment area and the lower stop position, the spool state has an open state and a closed state, and the control handle is placed in the single cold mode.
  • the water-saving spool is in the single-cooling mode critical state
  • the control handle is placed in the single-heat mode
  • the water-saving spool is in the single-heat mode critical state
  • the control handle is placed in the cold-hot mixing mode.
  • the water-saving spool In the middle position, the water-saving spool is closed, from the single cooling mode to the single cooling mode, the upper stop position is the water-saving spool single-cooling mode large flow adjustment area, from the single cooling mode to the cold-hot mixing
  • the mode bottom stop position is the water-saving spool single-cooling mode small flow adjustment area
  • from the single-heat mode stop position to the single-heat mode upper stop position is the water-saving spool single-heat mode large flow adjustment area, from the single-heat mode
  • the stop position in the hot and cold mixing mode is the water-saving spool single-heat mode small flow adjustment area.
  • Fig. 15 is a schematic cross-sectional view of the fixing piece 1, in which the upper left side is a cold water inlet hole 1-1, the upper right side is a hot water inlet hole 1-2, and the lower part is a water outlet hole 1-3.
  • Figure 16 is a schematic cross-sectional view of the movable piece 2, in the middle of the figure, the channel 2-1.
  • the cold water inlet hole 1-1, the hot water inlet hole 1-2, and the water outlet hole 1-3 on the fixed piece 1 are the same as the ordinary valve core, and the moving piece 2
  • the channel 2-1 is the same as the ordinary valve core; unlike the single-handle double valve of the ceramic piece, the stop position in the single cooling mode and the stop position in the single heat mode are different from the ordinary valve core in the embodiment, wherein In the cold mode, the stop position is shifted to the upper left (in the figure), as shown in FIG. 17, in the single thermal mode, the stop is shifted to the upper right, as shown in FIG. 18; however, in the present embodiment, the middle of the stop in the hot and cold mixed mode There is no offset in the position, which is consistent with the normal spool, as shown in Figure 19.
  • the cold water inlet hole 1-1 on the fixed piece 1 is Between the water outlet holes 1-3, through the communication of the channel 2-1 on the moving piece 2, the cold water inlet hole 1-1 and the water outlet hole 1-3 communicate with each other, so that the present embodiment is in a single cooling mode critical state, see the figure.
  • control handle is placed in the middle position of the stop position in the hot and cold mixing mode, and the water outlet holes 1-3 on the fixed piece 1 are not combined with the cold water inlet hole 1-1 and the hot water inlet hole 1-2. Connected, the water-saving spool is closed, see Figure 19.
  • the stop position from the single cooling mode to the single cooling mode is the water saving spool single cooling mode large flow adjustment area, see FIG. 20, from the single cooling mode to the cold and hot mixing mode.
  • the middle position of the stop is the water-saving spool single-cooling mode small flow adjustment area, see Figure 21; from the single-heat mode to the single-heat mode, the upper stop is the water-saving spool single-heat mode large flow adjustment area, see figure 22; From the single-heat mode stop to the hot-cold mix mode, the middle position of the stop is the water-saving spool single-heat mode small flow adjustment area, see Figure 23.
  • the arrows in the figure show the direction of movement of the rotor 2 during flow adjustment.
  • the manner of shifting the stop position in the single-cool mode and the stop position in the single-heat mode is: separately or simultaneously setting a limit device on the movable piece and the fixed piece; respectively or simultaneously on the moving piece and the valve core
  • a limiting device is arranged on the outer casing; a limiting device is arranged on the control handle and the valve core housing separately or simultaneously; respectively, or a limiting device is arranged on the control handle and the faucet housing; respectively or simultaneously on the faucet handle and the faucet housing Set the limit device and other methods.
  • this embodiment is substantially identical to Embodiments 1, 2, except that the first fluid inlet end, the second fluid inlet end, and the fluid outlet end of the valve device are separately disposed in two or three single devices. Inside.
  • the fluid outlet end and the operating mechanism are integrated together at the operating end, and the operating mechanism performs on, off and flow control on the remote first fluid inlet end and the second fluid inlet end, respectively.
  • the first fluid inlet end and the second fluid inlet end are respectively electrically controlled valves, the fluid of the two is collected to the fluid outlet end, and the operating mechanism of the operating end is an electronic control device, which is controlled by a control line or wireless (dashed line in the figure)
  • the first fluid inlet end and the second fluid inlet end are respectively controlled to open, close, and flow.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

L'invention concerne un clapet à débit déterminé bilatéral et un système d'alimentation de fluide associé, ledit clapet présentant une première entrée de fluide, une seconde entrée de fluide et une sortie de fluide. La zone opérationnelle du mécanisme de fonctionnement est divisée en zones de régulation de niveau de mélange pour réguler le niveau de mélange des premier et second fluides, dans lesquelles il est possible de réguler le débit de fluide s'écoulant de la sortie de fluide, le mécanisme de fonctionnement régulant le débit des première et seconde zones de fluide. L'arrêt minimal est défini comme supérieur à 0 et l'arrêt minimal du débit de la zone de régulation du débit de la zone du mélange est défini comme égal à 0. Ce clapet et son système d'alimentation de fluide économisent avantageusement le fluide et assurent le bon fonctionnement du dispositif de d'alimentation de fluide chauffé.
PCT/CN2016/081977 2015-05-14 2016-05-13 Clapet à débit déterminé bilatéral et système d'alimentation de fluide associé WO2016180360A1 (fr)

Applications Claiming Priority (4)

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CN201510243218.4 2015-05-14
CN201510243014.0 2015-05-14
CN201510243014 2015-05-14

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WO2016180360A1 true WO2016180360A1 (fr) 2016-11-17

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CN205715799U (zh) * 2015-05-14 2016-11-23 成都菁易科技有限公司 双侧定流量的阀门装置及其流体供应系统
CN107269887A (zh) * 2016-05-13 2017-10-20 成都菁易科技有限公司 一种流体供应系统

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CN2934825Y (zh) * 2006-07-03 2007-08-15 英宗有限公司 压力平衡混合龙头切控阀
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CN106151594A (zh) 2016-11-23
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TW201640041A (zh) 2016-11-16
CN106151594B (zh) 2019-05-10
CN205715799U (zh) 2016-11-23
CN106151587A (zh) 2016-11-23
CN106151587B (zh) 2019-04-09

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