CN108006288B - Steady flow control valve, water heater using same and temperature control method - Google Patents

Steady flow control valve, water heater using same and temperature control method Download PDF

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Publication number
CN108006288B
CN108006288B CN201710592555.3A CN201710592555A CN108006288B CN 108006288 B CN108006288 B CN 108006288B CN 201710592555 A CN201710592555 A CN 201710592555A CN 108006288 B CN108006288 B CN 108006288B
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China
Prior art keywords
valve
water
flow
steady flow
valve body
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CN108006288A (en
Inventor
梁稳
谭洵
邓炜兴
周高云
茅忠群
诸永定
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/005Electrical or magnetic means for measuring fluid parameters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention relates to a steady flow control valve, a water heater using the same and a temperature control method, wherein the steady flow control valve comprises a valve body (1) and a valve core (2) arranged in a valve cavity of the valve body (1), and is characterized in that: the valve core (2) is of a sleeve structure and can be rotationally and hermetically connected in the valve body (1); the valve core (2) is provided with a water inlet (21) communicated with a water inlet source and at least two water outlets (22); the water outlets (22) are arranged at intervals along the circumferential direction of the valve core (2) and are not in the same radial direction of the valve core; at least two flow stabilizing valves (3) are arranged in the valve body (1) at intervals corresponding to the water outlets (22), and the maximum flow of each flow stabilizing valve (3) is different when working; the outlets of the steady flow valves (3) are communicated with the water outlet channel (4). The invention can automatically switch the matched water outlet steady flow valve according to the initial water temperature, thereby avoiding the influence of the initial water temperature on the outlet water temperature, and having low cost, stable and reliable use and long service life.

Description

Steady flow control valve, water heater using same and temperature control method
Technical Field
The invention relates to a valve assembly, in particular to a steady flow control valve, a water heater using the steady flow control valve and a temperature control method.
Background
The conventional water heater is greatly influenced by the ambient temperature when in use, and is too hot when in use in summer and not hot when in use in winter. The problem is fundamentally seen in that the water temperature is hot because the lowest power in summer is not low enough and the highest power in winter is not high enough, and the water temperature is not high because the lowest power in summer is not low enough.
To solve the above-mentioned drawbacks, there are two main methods at present, one is to control gas distribution, such as a gas distribution device for gas water heater disclosed in CN200720058067.6, which changes heat by changing gas flow, thereby controlling water temperature; and secondly, the water quantity is changed, and the water inflow is regulated according to the water flow temperature of the inflow water and the outflow water, as in a gas water heater with automatic water quantity regulation according to the water temperature disclosed in CN 200810235871.6.
The method can solve the problems of excessively high water temperature in summer and insufficient water temperature in winter of the water heater to a certain extent, but if the water pressure fluctuation of the water source is large, the control effect is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a steady flow control valve with good water pressure fluctuation resistance effect and accurate temperature control aiming at the current state of the art.
The invention aims to solve the technical problem of providing the water heater with good water pressure fluctuation resistance effect and accurate temperature control aiming at the current state of the art.
The invention aims to solve the technical problem of providing a temperature control method of a water heater with good water pressure fluctuation resistance effect and accurate temperature control.
The technical scheme adopted for solving the technical problems is as follows: the steady flow control valve comprises a valve body and a valve core arranged in a valve cavity of the valve body, and is characterized in that:
the valve core is of a sleeve structure and can be rotationally and hermetically connected in the valve body, and the driving device is in driving connection with the valve core; the valve core is provided with a water inlet and at least two water outlets which are communicated with a water inlet source; each water outlet is arranged at intervals along the perimeter direction of the valve core and is not in the same radial direction of the valve core;
at least two flow stabilizing valves are arranged in the valve body at intervals corresponding to the water outlets, and the maximum flow of each flow stabilizing valve is different when the flow stabilizing valves work;
the outlet of each flow stabilizing valve is communicated with a water outlet channel.
Preferably, the water outlet channel can be arranged in a valve cavity of the valve body, and the water outlet channel is parallel to the valve core;
each flow stabilizing valve is positioned between the valve core and the water outlet channel and is sequentially arranged at intervals along the length direction of the water outlet channel.
The flow stabilizing valve in each scheme can be any one of the prior art according to the need, preferably, the flow stabilizing valve can comprise a flow stabilizing valve body, the flow stabilizing valve body is provided with a water inlet communicated with a valve cavity of the valve body, and the flow stabilizing valve body is provided with a plurality of water outlets communicated with the water outlet channel at intervals;
the steady flow valve core is sleeved in the steady flow valve body and can slide relative to the inner cavity of the steady flow valve body so as to change the shielding relation between the steady flow valve core and the water outlet; the middle part of the steady flow valve core is provided with a water outlet flow passage which is communicated with the valve cavity of the valve body and the water outlet; an elastic piece is arranged between the steady flow valve core and the steady flow valve body.
The elastic piece is preferably a spring, a clamping groove is formed in the side wall in the steady flow valve core, the elastic piece is contained in the clamping groove, and one end of the elastic piece is abutted to the inner wall of the steady flow valve body.
The driving device in each of the above embodiments preferably employs a servo motor.
The water heater using the steady flow control valve is characterized in that the steady flow control valve is arranged on a water pipe of the water heater and is close to a water inlet of the water pipe, a temperature sensor and a flow sensor are arranged on the water pipe, and the temperature sensor and the flow sensor are positioned at the upstream of the steady flow control valve;
the temperature sensor, the flow sensor and the servo motor of the steady flow control valve are all electrically connected with the controller of the water heater.
The temperature control method of the water heater is characterized in that:
initializing;
setting a matching relation among the water inlet temperature, the water inlet flow and the specification of each flow stabilizing valve in the controller;
when the water heater works, the temperature sensor and the water quantity sensor transmit data monitored in real time into the controller, the controller performs comparison operation and matches with the specification of the flow stabilizing valve, and the servo motor is started to rotate according to the matching result, so that the corresponding water outlet on the valve core is communicated with the matched flow stabilizing valve.
Compared with the prior art, the steady flow control valve, the water heater and the temperature control method provided by the invention can automatically switch the matched water outlet steady flow valve according to the initial water temperature, thereby avoiding the influence of the initial water temperature on the outlet water temperature, solving the problems of too hot water in summer and not hot water in winter, and having the advantages of no need of changing the combustion power of the water heater, low cost, stable and reliable use and long service life.
Drawings
FIG. 1 is a schematic perspective view of an assembled structure according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a valve body in a cross-section of an embodiment of the present invention;
FIGS. 3 and 4 are longitudinal cross-sectional views of embodiments of the present invention; wherein, fig. 3 is an operating state when the initial water temperature is low, and fig. 4 is an operating state when the initial water temperature is high;
FIG. 5 is a schematic perspective view of a valve core according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a steady flow control valve according to an embodiment of the present invention when applied to a water heater.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, the steady flow control valve includes:
the valve body 1 is arranged on a pipeline of the water pipe, and the inlet of the valve body is communicated with the water pipe;
the valve core 2 is of a sleeve structure with a circular cross section and is rotatably sleeved in the inner cavity of the valve body 1; the outer peripheral wall of the valve core is in sealing connection with the inner peripheral wall of the valve body in contact with the valve core; the valve core 2 is provided with a water inlet 21 communicated with a water inlet source; in this embodiment, two water outlets 22 are disposed at intervals on the peripheral wall of the valve core 2, and the two water outlets 22 are disposed at intervals along the circumferential direction of the valve core 2 and are not in the same radial direction of the valve core.
The flow stabilizing valves 3 are respectively arranged in the inner cavity of the valve body 1 at intervals corresponding to the two water outlets 22, are positioned below the valve core 2 and are arranged in parallel along the length direction of the valve core 2; the maximum flow rate of the two steady flow valves 3 is different when working; wherein the maximum flow rate of the upstream-located flow stabilizing valve is smaller than the maximum flow rate of the downstream-located flow stabilizing valve.
The partial valve cavity below the two steady flow valves 3 forms a water outlet channel 4, the outlet of each steady flow valve 3 is communicated with the water outlet channel 4, and the outlet of the water outlet channel 4 is communicated with the downstream of the water pipe.
In the embodiment, the valve core 2, the two flow stabilizing valves 3 and the water outlet channel 4 are sequentially arranged in the valve cavity of the valve body 1 from top to bottom, and the structure is compact.
The two steady flow valves 3 have the same structure and only have different specifications; of course, the structure of the two flow stabilizing valves can also be different. The steady flow valve 3 in the present embodiment includes:
the steady flow valve body 31 is provided with a water inlet communicated with the valve cavity of the valve body 1, and a plurality of water outlets 32 communicated with the water outlet channel 4 are arranged at intervals on the water outlet position of the steady flow valve body 31;
the steady flow valve core 33 is sleeved in the steady flow valve body 31 and can slide up and down relative to the inner cavity of the steady flow valve body 31 so as to change the shielding relation between the steady flow valve core 33 and each water outlet 32. The middle part of the steady flow valve core 33 is provided with a water outlet flow passage 34 which is communicated with the valve cavity of the valve body 1 and the water outlet 32; an elastic piece 35 is also arranged between the steady flow valve core 33 and the steady flow valve body 31.
The elastic member in this embodiment is a spring, the side wall in the steady flow valve core 33 is provided with a clamping groove 36, the elastic member 35 is accommodated in the clamping groove 36, and one end of the elastic member 35 abuts against the inner wall of the steady flow valve body 31.
FIG. 6 is a schematic diagram of the steady flow control valve applied to a water heater.
The steady flow control valve is connected to a water pipe of the water heater and is close to the water inlet of the water pipe, a temperature sensor 61 and a flow sensor 62 are arranged on the water pipe 64, and the temperature sensor and the flow sensor are both positioned at the upstream of the steady flow control valve;
the temperature sensor, the flow sensor and the servo motor of the steady flow control valve are all electrically connected with the controller 63 of the water heater.
The temperature control method of the water heater comprises the following steps:
initializing;
setting a matching relation among the water inlet temperature, the water inlet flow and the specification of each flow stabilizing valve in the controller;
when the water heater works, the temperature sensor and the water quantity sensor transmit data monitored in real time into the controller, the controller performs comparison operation and matches with the specification of the flow stabilizing valve, and the servo motor is started to rotate according to the matching result, so that the corresponding water outlet of the valve core is communicated with the matched flow stabilizing valve.
The method comprises the following steps:
when the temperature sensor detects that the initial water temperature entering the water pipe of the water heater is within the range a, the controller starts the servo motor, the servo motor works, the valve core is rotated, the water outlet positioned at the upstream position of the valve core is communicated with the water inlet of the upstream flow stabilizing valve, at the moment, the flow is smaller, and the water can be heated to a higher temperature by the low-power water heater; solves the problem that the water temperature is not hot when the user uses in winter.
Meanwhile, in the working process of the water heater, if the water pressure fluctuation is large, the water flow can be controlled in a constant flow state all the time under the action of the flow stabilizing valve, so that the problem of water temperature change caused by the pressure fluctuation is avoided.
When the temperature sensor detects that the initial water temperature entering the water pipe of the water heater is within the range b, the controller controls the starting servo motor to disconnect the water outlet positioned at the upstream position of the valve core from the flow stabilizing valve positioned at the upstream position, and the water outlet positioned at the downstream position of the valve core is communicated with the flow stabilizing valve positioned at the downstream position, so that the water outlet has high water yield and the water temperature of the discharged water is reduced under the same power. The principle of operation is the same as described above. The state is suitable for summer use, and solves the problem of overhigh water temperature in summer use.

Claims (7)

1. The utility model provides a stationary flow control valve, includes valve body (1) and sets up case (2) in the valve pocket of valve body (1), its characterized in that:
the valve core (2) is of a sleeve structure, can be rotationally and hermetically connected in the valve body (1), and the driving device (5) is in driving connection with the valve core (2); the valve core (2) is provided with a water inlet (21) communicated with a water inlet source and at least two water outlets (22); the water outlets (22) are arranged at intervals along the circumferential direction of the valve core (2) and are not in the same radial direction of the valve core;
at least two flow stabilizing valves (3) are arranged in the valve body (1) at intervals corresponding to the water outlets (22), and the maximum flow of each flow stabilizing valve (3) is different when working;
the outlets of the steady flow valves (3) are communicated with the water outlet channel (4).
2. The steady flow control valve according to claim 1, characterized in that the outlet channel (4) is arranged in a valve cavity of the valve body (1), the outlet channel (4) being parallel to the valve core (2);
each flow stabilizing valve (3) is positioned between the valve core (2) and the water outlet channel (4) and is sequentially arranged at intervals along the length direction of the water outlet channel (4).
3. The steady flow control valve according to claim 1 or 2, characterized in that the steady flow valve (3) comprises a steady flow valve body (31), a water inlet communicated with a valve cavity of the valve body (1) is arranged on the steady flow valve body (31), and a plurality of water outlets (32) communicated with the water outlet channel (4) are arranged on the steady flow valve body (31) at intervals;
the steady flow valve core (33) is sleeved in the steady flow valve body (31) and can slide relative to the inner cavity of the steady flow valve body (31) so as to change the shielding relation between the steady flow valve core (33) and the water outlet (32); the middle part of the steady flow valve core (33) is provided with a water outlet flow passage (34) which is communicated with the valve cavity of the valve body (1) and the water outlet (32); an elastic piece (35) is arranged between the steady flow valve core (33) and the steady flow valve body (31).
4. A steady flow control valve according to claim 3, characterized in that the elastic member (35) is a spring, a clamping groove (36) is arranged on the side wall in the steady flow valve core (33), the elastic member (35) is accommodated in the clamping groove (36), and one end of the elastic member (35) is abutted against the inner wall of the steady flow valve body (31).
5. The steady flow control valve as claimed in claim 4, characterized in that the drive means (5) are servo motors.
6. Water heater using a flow stabilizing control valve according to any one of claims 1 to 5, characterized in that the flow stabilizing control valve is arranged on a water pipe of the water heater and near a water inlet of said water pipe, said water pipe being provided with a temperature sensor (61) and a flow sensor (62), and said temperature sensor (61) and flow sensor (62) being located upstream of said flow stabilizing valve (3);
the temperature sensor (61), the flow sensor (62) and the servo motor of the steady flow valve (3) are all electrically connected with a controller (63) of the water heater.
7. The method for controlling temperature of water heater according to claim 6, wherein:
initializing;
setting a matching relation among the water inlet temperature, the water inlet flow and the specification of each flow stabilizing valve in the controller;
when the water heater works, the temperature sensor and the water quantity sensor transmit data monitored in real time into the controller, the controller performs comparison operation and matches with the specification of the flow stabilizing valve, and the servo motor is started to rotate according to the matching result, so that the corresponding water outlet of the valve core is communicated with the matched flow stabilizing valve.
CN201710592555.3A 2017-07-19 2017-07-19 Steady flow control valve, water heater using same and temperature control method Active CN108006288B (en)

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Application Number Priority Date Filing Date Title
CN201710592555.3A CN108006288B (en) 2017-07-19 2017-07-19 Steady flow control valve, water heater using same and temperature control method

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Application Number Priority Date Filing Date Title
CN201710592555.3A CN108006288B (en) 2017-07-19 2017-07-19 Steady flow control valve, water heater using same and temperature control method

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CN108006288A CN108006288A (en) 2018-05-08
CN108006288B true CN108006288B (en) 2023-08-18

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112253826B (en) * 2020-09-29 2021-11-26 宁波方太厨具有限公司 Water flow stabilizing valve and gas water heater using same
CN114576403B (en) * 2022-02-14 2023-06-27 保一集团有限公司 Pneumatic pipeline safety valve capable of carrying out rated pressure fine adjustment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014246A (en) * 1963-11-13 1965-12-22 Audco Ltd Improvements in and relating to plug valves
GB1202397A (en) * 1967-11-06 1970-08-19 Trw Inc Improvements in or relating to valves
CN1427196A (en) * 2001-12-20 2003-07-02 先进电气工业株式会社 Valve and mixing method for constant flow
CN102853529A (en) * 2012-08-18 2013-01-02 顾长相 Flow stabilizing and concurrent heating gas water heater
CN204253968U (en) * 2014-10-27 2015-04-08 中山市思源电器有限公司 A kind of current stabilizer of water heater
CN207180049U (en) * 2017-07-19 2018-04-03 宁波方太厨具有限公司 A kind of current stabilization control valve and the water heater using the current stabilization control valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1014246A (en) * 1963-11-13 1965-12-22 Audco Ltd Improvements in and relating to plug valves
GB1202397A (en) * 1967-11-06 1970-08-19 Trw Inc Improvements in or relating to valves
CN1427196A (en) * 2001-12-20 2003-07-02 先进电气工业株式会社 Valve and mixing method for constant flow
CN102853529A (en) * 2012-08-18 2013-01-02 顾长相 Flow stabilizing and concurrent heating gas water heater
CN204253968U (en) * 2014-10-27 2015-04-08 中山市思源电器有限公司 A kind of current stabilizer of water heater
CN207180049U (en) * 2017-07-19 2018-04-03 宁波方太厨具有限公司 A kind of current stabilization control valve and the water heater using the current stabilization control valve

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