CN112944689B

CN112944689B - Circulating water pump control method capable of memorizing use habits of users

Info

Publication number: CN112944689B
Application number: CN202110247852.0A
Authority: CN
Inventors: 韩元富; 姜德志; 李燕霞
Original assignee: Zhejiang Dayuan Pump Industry Co ltd
Current assignee: Zhejiang Dayuan Pump Industry Co ltd
Priority date: 2021-03-06
Filing date: 2021-03-06
Publication date: 2022-04-29
Anticipated expiration: 2041-03-06
Also published as: CN112944689A

Abstract

The invention belongs to the technical field of water temperature control, and particularly relates to a circulating water pump control method for memorizing use habits of users, which comprises a water passing mechanism and a feedback mechanism; according to the invention, the water temperature used in actual life is used as the starting condition of the circulating pump and the water heater, compared with the set temperature of the water heater as the starting condition, the daily water temperature is lower than the set temperature of the water heater, so that the starting frequency of the circulating pump is reduced, meanwhile, when the circulating pump is started to carry out thermal circulation, the temperature in the hot water pipe is gradually increased along with the circulation of water flow and the heating of the water heater, further, the heat is transferred to the liquid storage cavity through the heat conduction column for feedback, when the movable rod corresponding to the liquid storage cavity is gradually moved and is as high as the movable rod corresponding to the adjusting cavity, the circulation is stopped, compared with the condition that the hot water is heated to the temperature in the water heater, the service time of the circulating pump can be further reduced, and the energy consumption of the circulating pump is effectively reduced.

Description

Circulating water pump control method capable of memorizing use habits of users

Technical Field

The invention belongs to the technical field of water temperature control, and particularly relates to a circulating water pump control method capable of memorizing use habits of users.

Background

In the prior art, in order to conveniently use hot water in life and achieve the effect of instant heating, circulating pumps are arranged on most hot water pipelines, automatic circulation of the hot water is realized by utilizing the circulating pumps and a water return pipe, the problem that the temperature of water at one end of a hot water pipe, which is far away from a water heater, is low and the hot water is inconvenient to use is avoided when water in the hot water pipe is kept still for a long time in the long-time standing process, but the circulating pumps still operate the circulating pumps when the water is not used or the water use probability is low, so that the energy consumption of the circulating pumps is high, the energy-saving and environment-friendly concept is not facilitated, and after the circulating pumps are started, the temperature in the hot water pipe is consistent with the set temperature in the water heater under most conditions and then the circulating pumps are stopped, but when the hot water is used in life, the hot water and cold water are mostly mixed for use, the outlet water temperature is far lower than the set temperature of the water heater under most conditions, and the single starting time of the circulating pump is long, so that the energy waste is further caused.

The intelligent energy-saving electric water heater issued by Chinese patent has the following application number: CN001125842, which comprises a housin, the inner bag, the electric heating element, the microcomputer control ware, power output part, the microcomputer control ware includes central processing unit, the power supply circuit who is connected with central processing unit electricity, in good time temperature sampling circuit, the temperature sets for the circuit, the key input circuit, show output circuit, drive circuit, hardware equipment and software program fully combine the use, can use experience through study user and change and carry out intelligent control, avoid also the phenomenon of high temperature heating when not using, it is obvious to practice thrift the electric energy effect, intelligent control function is strong, almost not increase the cost, high durability and convenient use, fully satisfy user's needs, but this water heater stops after reaching unanimity with temperature and the temperature of setting for in the water heater in the cyclic process, comparatively consume energy when using.

In view of the above, the present invention provides a method for controlling a circulating water pump, which memorizes the usage habits of users, to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that in order to realize the effect of instant heating when water is used, a circulating pump needs to be started for a long time, so that the circulating pump still runs when water is not used or when the water use probability is low, so that the energy consumption of the circulating pump is high, and the idea of energy conservation and environmental protection is not facilitated.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a circulating water pump control method for memorizing use habits of users, which comprises the following steps:

s1, learning stage: the water outlet state of the hot water pipe is sensed through a water flow sensor in a water controller fixedly connected to a water outlet pipe of the hot water pipe, and a corresponding signal is output to a single chip microcomputer, the single chip microcomputer records water using time according to a built-in real-time clock circuit and stores the water using time in a nonvolatile memory for gathering, and the learning period is 1 week;

s2, finishing: arranging the water consumption moments in the learning stage every day, integrating the water consumption moments with the interval less than 15min, outputting a daily water consumption time interval distribution table, checking the weight of the daily water consumption time interval distribution table in one week of the learning stage, arranging the water consumption moments with the superposition time more than two times, and outputting a daily circulation time table;

s3, actual control stage: the single chip microcomputer starts a water temperature sensor in the water controller according to the real-time clock circuit and the daily circulation schedule, the water temperature sensor detects the temperature in the hot water pipe and transmits the temperature to the single chip microcomputer, and when the water temperature is lower than a set temperature, the single chip microcomputer controls the circulation pump and the water heater to start, so that cold water in the hot water pipe is replaced;

s4, feedback stage: in the daily use process, the singlechip collects the daily water consumption time and is used for finely adjusting the daily circulation table, so that the starting of the circulating water pump can be automatically adjusted according to the change of the living habits;

the water controller in S1 comprises a water passing mechanism and a feedback mechanism;

the water passing mechanism comprises a shell, a water outlet pipe and a rotary valve; the shell is a cuboid mechanism with one arc side; the cold joint, the hot joint and the water return joint are fixedly connected to the arc-shaped opposite sides of the shell; the cold joint, the hot joint and the water return joint are sequentially arranged and are respectively used for connecting a cold water pipe, a hot water pipe and a water return pipe; flow guide grooves are formed in the shell corresponding to the cold joint, the hot joint and the water return joint; the flow guide grooves are mutually communicated; a first through groove is formed above the shell; the first through groove is communicated with the diversion groove; the first through groove is positioned in the middle of the cold joint and the hot joint in the horizontal direction; the water outlet pipe is fixedly connected in the first through groove; the water outlet pipe is a hollow pipe with a T-shaped structure; one side of the water outlet pipe, which is far away from the shell, is rotatably connected with a rotary valve; a transmission rod is connected in the inner cavity of the water outlet pipe in a sliding manner; the transmission rod extends into the diversion trench; one end of the transmission rod, which is positioned in the diversion trench, is rotatably connected with a rubber plug; the height of the rubber plug is greater than the diameter of the diversion trench; one side of the rubber plug, which is close to the diversion trench, is provided with a sealing trench; the sealing groove bisects the rubber plug; the baffle plate is fixedly connected with the guide groove corresponding to the sealing groove; the rubber plug is provided with symmetrically designed conduction grooves; the conduction grooves are respectively positioned at two sides of the sealing groove; the conduction groove conducts the bottom and the top of the rubber plug; the rubber plug is in sliding connection with the baffle through the sealing groove in an initial state, the rubber plug is attached to the bottom of the flow guide groove, and the flow guide groove is blocked; the transmission rod is positioned at one side of the rubber plug, which is far away from the diversion trench, and is fixedly connected with a sealing plate; the sealing plate is in a semicircular design;

the feedback mechanism comprises a feedback pipe, a heat conducting rod and a signal generator; the feedback pipe is fixedly connected to the upper end of the shell; a liquid storage cavity and an adjusting cavity are formed in the feedback pipe; the liquid storage cavity and the adjusting cavity are parallel to each other; the liquid storage cavity and the adjusting cavity have the same size and diameter; kerosene is filled in the liquid storage cavity and the adjusting cavity; the interior of the adjusting cavity is coated with a heat-insulating material; the adjusting cavity is coated with a heat dissipation material; the liquid storage cavity and the adjusting cavity are fixedly connected with heat conducting rods, the heat conducting rods in the liquid storage cavity extend to one end, close to the hot connector, of the diversion trench, and the heat conducting rods in the adjusting cavity extend into the water outlet pipe; the feedback tube is positioned above the liquid storage cavity and the adjusting cavity and is provided with a feedback cavity; the liquid storage cavity and the adjusting cavity are both connected with a moving rod in a sliding manner; the moving rod is in a T-shaped design and is in sliding sealing connection with the liquid storage cavity and the adjusting cavity; the movable rods extend into the feedback cavity; the two moving rods are fixedly connected with position sensors; the position sensor is electrically connected with the signal generator; the signal generator is used for transmitting the circulating information, and when the height of the movable rod corresponding to the liquid storage cavity in the feedback cavity is smaller than that of the movable rod corresponding to the adjusting cavity in the feedback cavity, the signal generator transmits the circulating information;

in the prior art, in order to conveniently use hot water in life and achieve the effect of instant heating, circulating pumps are arranged on most hot water pipelines, automatic circulation of the hot water is realized by utilizing the circulating pumps and a water return pipe, the problem that the temperature of water at one end of a hot water pipe, which is far away from a water heater, is low and the hot water is inconvenient to use is avoided when water in the hot water pipe is kept still for a long time in the long-time standing process, but the circulating pumps still operate the circulating pumps when the water is not used or the water use probability is low, so that the energy consumption of the circulating pumps is high, the energy-saving and environment-friendly concept is not facilitated, and after the circulating pumps are started, the temperature in the hot water pipe is consistent with the set temperature in the water heater under most conditions and then the circulating pumps are stopped, but when the hot water is used in life, the hot water and cold water are mostly mixed for use, the outlet water temperature is far lower than the set temperature of the water heater under most conditions, and the single starting time of the circulating pump is long, so that the energy waste is further caused;

when the invention works, the singlechip and the water controller are arranged, the singlechip records water using time according to a built-in real-time clock circuit in the process of using hot water and stores the water using time in the nonvolatile memory for summarizing, the learning stage period is 1 week, the daily water using time in the learning stage is arranged, the water using time with the interval less than 15min is integrated, a daily water using time interval distribution table is output, the daily water using time interval distribution table of one week time in the learning stage is checked for duplication, the water using time with the superposition time more than two times is arranged, the daily circulating time table is output, the singlechip starts a water temperature sensor in the water controller according to the real-time clock circuit and the daily circulating time table, the water temperature sensor detects the temperature in a hot water pipe and transmits the temperature to the singlechip, and the singlechip controls the circulating pump and the water heater to start when the water temperature is lower than the set temperature, then cold water in the hot water pipe is replaced, and when hot water is used, the rotary valve is manually pulled, so that the rotary valve drives the transmission rod to move upwards in the inner cavity of the water outlet pipe, the rubber plug moves towards the direction of the first through groove in the guide groove, the guide groove at the bottom of the rubber plug is communicated with the guide groove, hot water and cold water separated by the baffle plate enter the inner cavity of the water outlet pipe through the guide groove under the action of water pressure and flow outwards, the cold water and the hot water flowing outwards are mixed to heat or cool the heat conducting rod, so that the heat conducting rod transfers heat into the adjusting cavity, kerosene solution in the adjusting cavity is heated and expanded, and the movable rod in the adjusting cavity is pushed to move towards the feedback cavity, at the moment, because the temperature in the hot water pipe is higher than the temperature of the water, the temperature in the liquid storage cavity is higher than the temperature in the adjusting cavity, so that the height of the movable rod corresponding to the liquid storage cavity is higher than the height of the movable rod corresponding to the adjusting cavity in the feedback cavity, when the water is used, the inner wall of the liquid storage cavity is made of a heat dissipation material, the inner wall of the adjusting cavity is made of a heat insulation material, the temperature in the liquid storage cavity is gradually reduced, and then the moving rod corresponding to the liquid storage cavity gradually moves towards the inside of the liquid storage cavity, after a real-time clock circuit in the single chip microcomputer runs to the moment on a circulation schedule, the single chip microcomputer judges the temperature in the hot water pipe through a position sensor on the moving rod and compares the temperature with the last-time water outlet temperature represented in the adjusting cavity, when the temperature in the hot water pipe is low, the circulating pump is started, otherwise, the circulating pump is not started, the temperature used in actual life is used as the starting conditions of the circulating pump and the water heater, compared with the set temperature of the water heater used as the starting condition, the starting frequency of the circulating pump is reduced because the daily-used water temperature is lower than the set temperature of the water heater, and the circulating pump is started to perform heat circulation along with the circulation of water and the heating of the water heater, make the temperature in the hot-water line rise gradually, and then feed back heat transfer to stock solution intracavity through the heat conduction post, after the movable rod that corresponds the stock solution chamber gradually removes and with correspond the movable rod height in regulation chamber, stop the circulation promptly, compare in the temperature with hot water heating to the water heater in, the live time of reduction circulating pump that can step forward, simultaneously fall temperature and service temperature parallel and level in the water pipe, can be closing normal use under the condition of cold water, also can avoid the waste of water resource, can also reduce the self-starting frequency and the number of times of circulating pump simultaneously, and then play energy-conserving effect effectively.

Preferably, the transmission rod is fixedly connected with an annular plate; the lower surface of the annular plate is fixedly connected with a squeezing bag; the inner cavity of the water outlet pipe is fixedly connected with a squeezing plate; the movable rod corresponding to the adjusting cavity is fixedly connected with an expansion bag; the expansion bag and the extrusion bag are designed to be communicated through a catheter;

the during operation, after the rotary valve is closed, the transfer line removes to the guiding groove direction in the outlet pipe inner chamber, and then make the annular plate downstream on the transfer line, and then make the crushing bag of annular plate lower surface meet with the crushing plate, and then lead to the crushing bag to receive the extrusion, the crushing bag takes place deformation, carry inside gas to the inflation bag in, and then make the inflation bag volume increase, the inflation bag that the volume increases makes the pressure increase between the carriage release lever in the regulating cavity and the regulating cavity inner wall, the frictional force increase, and then make relatively fixed between carriage release lever and the regulating cavity, in long-time not using hydrothermal time, through fixing between carriage release lever and the regulating cavity inner wall, can avoid regulating cavity inner temperature to reduce effectively, and then make the kerosene shrink, and then make the carriage release lever produce the removal, can not effectually provide accurate data support for the start-up of circulating pump.

Preferably, one end of the moving rod, which is positioned in the adjusting cavity, is connected with a negative pressure plate; an air pumping bag is fixedly connected between the negative pressure plate and the movable rod; the air pumping bag is communicated with the outside through a catheter;

when the coal oil temperature adjusting device works, after water flow in the water outlet pipe stops, the temperature of the coal oil in the adjusting cavity is gradually reduced, the movable rod is relatively fixed under the pressure action of the expansion bag, the movable rod is continuously contracted along with the coal oil, so that negative pressure is generated in the adjusting cavity, the negative pressure plate slides downwards under the action of the negative pressure through the arrangement of the air pumping bag and the negative pressure plate, so that the negative pressure in the adjusting cavity is relieved, the movable rod is prevented from being pulled to move due to overlarge negative pressure, the precision of a feedback mechanism is reduced, meanwhile, the air pumping bag pumps external gas to expand along with the gradual increase of the distance between the negative pressure plate and the movable rod, when the rotary valve is started in a short time, the air pumping bag can provide a buffer action for the movable rod in a short time, the movable rod is prevented from moving downwards quickly, the influence of the short-time water consumption condition on the adjusting cavity is effectively reduced, and the reading corresponding to the movable rod in the adjusting cavity is the common water temperature, thereby making the temperature feedback more fit for life.

Preferably, the length of the movable rod corresponding to the adjusting cavity in the initial state is larger than that of the movable rod corresponding to the liquid storage cavity; the two moving rods are positioned in the feedback cavity and are fixedly connected with supporting plates; a hydraulic bag is fixedly connected between the two supporting plates; hydraulic oil is filled in the hydraulic bag; the sealing plate is rotatably connected with the transmission rod; the side wall of the inner cavity of the water outlet pipe is provided with a rotating groove; the upper part of the sealing plate extends into the rotating groove; one side of the rotating groove is fixedly connected with a folding bag; the folding bag and the hydraulic bag are designed to be communicated through a catheter; the folding bag is in sliding connection with the sealing plate inside the rotating groove; one end of the sealing plate, which is positioned in the rotating groove and is far away from one side of the folding bag, is elastically connected with the rotating groove through a spring; when the temperature of the adjusting cavity is consistent with that of the liquid storage cavity, the folding bag is completely contracted, and the hydraulic oil is completely contained in the hydraulic bag;

when the circulating pump is in use, when the circulating pump judges whether the temperature in the hot water pipe is in accordance with the starting condition through parameters according to the summarized living habits, the temperature in the hot water pipe is transmitted into the liquid storage cavity through the heat conduction column so as to move the movable rod of the liquid storage cavity, the water temperature in the hot water pipe is in accordance with the water temperature of the daily-used water corresponding to the movable rod in the adjusting cavity, hydraulic pressure bag extracts hydraulic oil completely, and then make folding bag shrink, make the closing plate that rotates the inslot receive the spring action, and then make the closing plate rotate the guiding gutter that will correspond the cold water pipe, the conduction groove blocks up completely, when pulling the rotation valve water use this moment, it is rivers in the hot-water line that the play water is whole, and along with the use of rivers in the hot-water line, make the temperature of water rise in the hot-water line, and then make the intracavity temperature of stock solution rise gradually, and then make the movable rod that corresponds the stock solution chamber remove to the feedback intracavity gradually, and then make the hydraulic pressure bag pressurized, carry hydraulic oil to folding bag in through the pipe, folding bag inflation and then play the impetus to the closing plate, and then make closing plate extrusion spring rotate, and then make the conduction groove that corresponds cold water open gradually, and the conduction groove opening that corresponds hot water reduces, and then play regulation temperature, make the play homothermal effect of water keeping.

Preferably, the transmission rod is positioned above the sealing plate and is provided with a sliding groove; a positioning ring is connected in the sliding groove in a sliding manner; the positioning ring is fixedly connected with a poking tooth; a spring is arranged between the positioning ring and the sealing plate; a limiting rod is fixedly connected to the inner cavity of the water outlet pipe above the positioning ring; the poking teeth are not contacted with the sealing plate in the initial state;

when the water temperature regulator works, when the rotary valve is closed, the transmission rod drives the rubber plug and the sealing plate to move towards the guide groove, so that the shifting teeth on the positioning ring are separated from the sealing plate, the sealing plate is rotationally connected with the transmission rod, the rotary valve is rotated to drive the transmission rod to rotate at the moment, the sealing plate cannot be driven to rotate, on the contrary, the sealing plate can be influenced by the volume of the folded bag, the blocking condition of the sealing plate to the two guide grooves is controlled by the temperature contrast between the liquid storage cavity and the regulating cavity, when the rotary valve is pulled, the water outlet pipe is opened, the transmission rod moves upwards at the moment, so that the sealing plate moves upwards, the distance between the positioning ring and the sealing plate is shortened due to the positioning ring being limited by the limiting rod, so that the shifting teeth on the positioning ring are meshed with the sealing plate, the current water temperature can be readjusted by rotating the rotary valve, and the regulation of the sealing plate is controlled by the rotary valve and the folded bag respectively in a water outlet state and a water stop state, and then make the outlet pipe go out the water temperature more and press close to daily temperature of using more when starting effectively, after the outlet pipe goes out water, can freely regulate and control the temperature of water simultaneously, and then make the regulation of temperature of water more free.

Preferably, the upper surface of the positioning ring is fixedly connected with a cushion pad; the upper surface of the sealing plate is uniformly designed in a tooth socket shape, and the tooth sockets on the upper surface of the sealing plate are symmetrically designed on two sides of the sealing plate; tooth grooves on two sides of the sealing plate have one-way barrier property;

the during operation, through tooth's socket symmetrical design and the one-way hindrance effect in both sides on with the closing plate opposite, after pulling the rotary valve, the closing plate combines with stirring the tooth, present temperature this moment is the same with the temperature that adjusts the chamber and correspond, but the closing plate is not in central position, along with the lapse of time, the temperature in the hot-water line risees gradually, and then make the hydraulic pressure bag transmit hydraulic oil to folding bag in gradually, and then promote the closing plate and rotate, half closing plate that corresponds hot water can be avoided effectively to the setting of the tooth's socket of unidirectional setting becomes the hindrance to stirring the tooth form, and then in rivers use, make under the initial state correspond between mutually non-corresponding closing plate and the rotary valve, and then be convenient for manually adjust the temperature.

The invention has the following beneficial effects:

1. the invention relates to a method for controlling a circulating water pump for memorizing the use habits of users, which takes the water temperature in actual life as the starting condition of a circulating pump and a water heater, compared with the starting condition of the water heater with the set temperature, because the daily water temperature is lower than the set temperature of the water heater, the starting frequency of the circulating pump is reduced, and simultaneously, when the circulating pump is started to carry out thermal circulation, the temperature in a hot water pipe is gradually increased along with the circulation of water flow and the heating of the water heater, and then the heat is transferred into a liquid storage cavity through a heat conduction column for feedback, when a movable rod corresponding to the liquid storage cavity is gradually moved and is as high as a movable rod corresponding to an adjusting cavity, the circulation is stopped, compared with the heating of hot water to the temperature in the water heater, the service time of the circulating pump can be further reduced, and simultaneously, the water temperature in a downcomer is flush with the service temperature, the water-saving circulating pump can be normally used under the condition of closing cold water, waste of water resources can be avoided, the self-starting frequency and the self-starting frequency of the circulating pump can be reduced, and the energy-saving effect is effectively achieved.

2. According to the circulating water pump control method capable of memorizing the use habits of users, the sealing plate is regulated to be in the water outlet state and the water cut-off state and is controlled by the rotary valve and the folding bag respectively, so that the outlet water temperature is closer to the temperature of daily water when the outlet pipe is started effectively, and meanwhile, the water temperature can be regulated freely after the outlet pipe discharges water, so that the water temperature is regulated freely.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a front view of the water control;

FIG. 3 is a partial configuration view of the water controller;

FIG. 4 is a cross-sectional view of the water control;

FIG. 5 is a partial cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a partial enlarged view of FIG. 4 at B;

in the figure: the device comprises a shell 1, a cold joint 11, a hot joint 12, a water return joint 13, a diversion trench 14, a first through trench 15, a water outlet pipe 2, a rotary valve 21, a transmission rod 22, a rubber plug 23, a sealing groove 24, a baffle 25, a conduction trench 26, a sealing plate 27, a feedback pipe 3, a liquid storage cavity 31, an adjusting cavity 32, a heat conduction rod 33, a feedback cavity 34, a moving rod 35, an annular plate 4, a squeezing bag 41, a squeezing plate 42, an expansion bag 43, a negative pressure plate 44, an air suction bag 45, a supporting plate 46, a hydraulic bag 47, a rotary trench 5, a folding bag 51, a sliding trench 6, a positioning ring 61, a toggle tooth 62 and a limiting rod 63.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the method for controlling a circulating water pump according to the present invention comprises the following steps:

s1, learning stage: a water flow sensor in a water controller fixedly connected to a water outlet pipe 2 of the hot water pipe is used for sensing the water outlet state of the hot water pipe and outputting a corresponding signal to a single chip microcomputer, the single chip microcomputer records the water using time according to a built-in real-time clock circuit and stores the water using time in a nonvolatile memory for gathering, and the learning period is 1 week;

the water passing mechanism comprises a shell 1, a water outlet pipe 2 and a rotary valve 21; the shell 1 is a cuboid mechanism with one arc side; the cold joint 11, the hot joint 12 and the water return joint 13 are fixedly connected to one side of the shell 1 opposite to the arc; the cold joint 11, the hot joint 12 and the return water joint 13 are sequentially arranged and are respectively used for connecting a cold water pipe, a hot water pipe and a return water pipe; flow guide grooves 14 are formed in the shell 1 corresponding to the cold joint 11, the hot joint 12 and the return water joint 13; the diversion trenches 14 are designed to be mutually communicated; a first through groove 15 is formed above the shell 1; the first through groove 15 is communicated with the diversion groove 14; the first through groove 15 is located in the middle of the cold joint 11 and the hot joint 12 in the horizontal direction; the water outlet pipe 2 is fixedly connected in the first through groove 15; the water outlet pipe 2 is a hollow pipe with a T-shaped structure; one side of the water outlet pipe 2, which is far away from the shell 1, is rotatably connected with a rotary valve 21; a transmission rod 22 is connected in the inner cavity of the water outlet pipe 2 in a sliding manner; the transmission rod 22 extends into the diversion trench 14; one end of the transmission rod 22, which is positioned in the diversion trench 14, is rotatably connected with a rubber plug 23; the height of the rubber plug 23 is greater than the diameter of the diversion trench 14; one side of the rubber plug 23 close to the diversion trench 14 is provided with a sealing trench 24; the sealing groove 24 bisects the rubber plug 23; the baffle 25 is fixedly connected to the guide groove 14 corresponding to the sealing groove 24; the rubber plug 23 is provided with symmetrically designed conduction grooves 26; the conduction grooves 26 are respectively positioned at two sides of the sealing groove 24; the conduction groove 26 conducts the bottom and the top of the rubber plug 23; in an initial state, the rubber plug 23 is in sliding connection with the baffle 25 through the sealing groove 24, the rubber plug 23 is attached to the bottom of the diversion trench 14, and the conduction trench 26 is blocked; the transmission rod 22 is fixedly connected with a sealing plate 27 at one side of the rubber plug 23 far away from the diversion trench 14; the sealing plate 27 is of a semicircular design;

the feedback mechanism comprises a feedback tube 3, a heat conducting rod 33 and a signal generator; the feedback tube 3 is fixedly connected to the upper end of the shell 1; a liquid storage cavity 31 and an adjusting cavity 32 are formed in the feedback tube 3; the liquid storage cavity 31 and the adjusting cavity 32 are parallel to each other; the liquid storage cavity 31 and the adjusting cavity 32 are the same in size and diameter; kerosene is filled in the liquid storage cavity 31 and the adjusting cavity 32; the interior of the adjusting cavity 32 is coated with a heat-insulating material; the adjustment cavity 32 is coated with a heat dissipation material; the liquid storage cavity 31 and the adjusting cavity 32 are fixedly connected with a heat conducting rod 33, the heat conducting rod 33 in the liquid storage cavity 31 extends to one end of the diversion trench 14 close to the hot connector 12, and the heat conducting rod 33 in the adjusting cavity 32 extends to the water outlet pipe 2; the feedback tube 3 is positioned above the liquid storage cavity 31 and the adjusting cavity 32 and is provided with a feedback cavity 34; the liquid storage cavity 31 and the adjusting cavity 32 are both connected with a movable rod 35 in a sliding manner; the movable rod 35 is in a T-shaped design and is connected with the liquid storage cavity 31 and the adjusting cavity 32 in a sliding and sealing manner; the moving rods 35 extend into the feedback cavity 34; the two moving rods 35 are fixedly connected with position sensors; the position sensor is electrically connected with the signal generator; the signal generator is used for transmitting cycle information, and when the height of the movable rod 35 corresponding to the liquid storage cavity 31 in the feedback cavity 34 is smaller than the height of the movable rod 35 corresponding to the adjusting cavity 32 in the feedback cavity 34, the signal generator transmits the cycle information;

when the invention works, the singlechip and the water controller are arranged, the singlechip records water using time according to a built-in real-time clock circuit in the process of using hot water and stores the water using time in the nonvolatile memory for summarizing, the learning stage period is 1 week, the daily water using time in the learning stage is arranged, the water using time with the interval less than 15min is integrated, a daily water using time interval distribution table is output, the daily water using time interval distribution table of one week time in the learning stage is checked for duplication, the water using time with the superposition time more than two times is arranged, the daily circulating time table is output, the singlechip starts a water temperature sensor in the water controller according to the real-time clock circuit and the daily circulating time table, the water temperature sensor detects the temperature in a hot water pipe and transmits the temperature to the singlechip, and the singlechip controls the circulating pump and the water heater to start when the water temperature is lower than the set temperature, then cold water in the hot water pipe is replaced, and when hot water is used, the rotary valve 21 is manually pulled, so that the rotary valve 21 drives the transmission rod 22 to move upwards in the inner cavity of the water outlet pipe 2, the rubber plug 23 moves towards the first through groove 15 in the guide groove 14, the conduction groove 26 at the bottom of the rubber plug 23 is conducted with the guide groove 14, hot water and cold water separated by the baffle plate 25 enter the inner cavity of the water outlet pipe 2 through the conduction groove 26 under the action of water pressure and flow outwards, the cold water and the hot water flowing outwards are mixed to heat or cool the heat conducting rod 33, so that the heat conducting rod 33 transfers heat into the adjusting cavity 32, kerosene solution in the adjusting cavity 32 is heated to expand, the movable rod 35 in the adjusting cavity 32 is pushed to move towards the feedback cavity 34, at the moment, because the temperature in the hot water pipe is higher than the temperature of the outlet water, the temperature in the liquid storage cavity 31 is higher than the temperature in the adjusting cavity 32, and then make the movable rod 35 corresponding to liquid storage cavity 31 locate at the height in the feedback cavity 34 and greater than the height that the movable rod 35 corresponding to adjust the cavity 32 locates at the feedback cavity 34, because the inner wall of liquid storage cavity 31 is the heat dissipating material after finishing using water, adjust the inner wall of cavity 32 to be the heat insulating material, the temperature in the liquid storage cavity 31 is reduced gradually, and then make the movable rod 35 corresponding to liquid storage cavity 31 move towards the inside of liquid storage cavity 31 gradually, after the real-time clock circuit in the monolithic processor runs to the moment on the circulating timetable, the monolithic processor judges the temperature in the hot water pipe and compares with the last effluent water temperature represented in the adjust cavity 32 through the position sensor on the movable rod 35, when the temperature in the hot water pipe is lower, start the circulating pump, otherwise does not start the circulating pump, through using the actual life as the starting condition of circulating pump and water heater, compare with using the set temperature of the water heater as the starting condition, because the temperature of daily water is less than the water heater settlement temperature, and then make the start frequency of circulating pump reduce, the circulating pump starts when carrying out the thermal cycle simultaneously, along with the circulation of rivers and the heating of water heater, make the temperature in the hot-water line rise gradually, and then feed back heat transfer to stock solution chamber 31 in through the heat conduction post, after the movable rod 35 that corresponds stock solution chamber 31 removes gradually and is as high as the movable rod 35 that corresponds regulation chamber 32, stop the circulation promptly, compare in the temperature with hot water heating to the water heater in, the live time of circulating pump can further be reduced, simultaneously the temperature in the downcomer is parallel and level with the service temperature, can be in normal use under the condition of closing cold water, also can avoid the waste of water resource, can also reduce the self-start frequency and the number of times of circulating pump simultaneously, and then play energy-conserving effect effectively.

As an embodiment of the present invention, the transmission rod 22 is fixedly connected with the annular plate 4; the lower surface of the annular plate 4 is fixedly connected with a squeezing bag 41; the inner cavity of the water outlet pipe 2 is fixedly connected with a squeezing plate 42; the movable rod 35 corresponding to the adjusting cavity 32 is fixedly connected with an expansion bag 43; the expansion balloon 43 and the extrusion balloon 41 are designed to be communicated through a catheter;

in operation, when the rotary valve 21 is closed, the transmission rod 22 moves in the inner cavity of the water outlet pipe 2 towards the guide groove 14, and thus the ring plate 4 on the driving rod 22 is moved downward, and thus the pressing bladder 41 of the lower surface of the ring plate 4 meets the pressing plate 42, thereby causing the bladder 41 to be squeezed, deforming the bladder 41, transferring the gas inside into the bladder 43, the volume of the expansion bag 43 is increased, the pressure and the friction between the movable rod 35 in the adjusting cavity 32 and the inner wall of the adjusting cavity 32 are increased by the expansion bag 43 with the increased volume, and the movable rod 35 and the adjusting cavity 32 are relatively fixed, by fixing the moving rod 35 to the inner wall of the adjusting chamber 32 during a long time when hot water is not used, the temperature in the adjusting chamber 32 can be effectively prevented from being lowered, and then the kerosene contracts, and the moving rod 35 moves, which cannot effectively provide accurate data support for the start of the circulating pump.

As an embodiment of the present invention, a negative pressure plate 44 is connected to one end of the moving rod 35 located in the adjusting cavity 32; an air pumping bag 45 is fixedly connected between the negative pressure plate 44 and the movable rod 35; the air pumping bag 45 is communicated with the outside through a catheter;

when the kerosene regulating valve works, after the water flow in the water outlet pipe 2 stops, the temperature of the kerosene in the regulating cavity 32 is gradually reduced, the movable rod 35 is relatively fixed under the pressure action of the expansion bag 43, the movable rod 35 continuously contracts along with the kerosene to further generate negative pressure in the regulating cavity 32, the negative pressure plate 44 slides downwards under the negative pressure action by arranging the air pumping bag 45 and the negative pressure plate 44, the negative pressure in the regulating cavity 32 is further relieved, the movable rod 35 is prevented from being pulled to move due to overlarge negative pressure, the precision of a feedback mechanism is further reduced, meanwhile, the air pumping bag 45 pumps external air to expand along with the gradual increase of the distance between the negative pressure plate 44 and the movable rod 35, when the rotary valve 21 is started in a short time, the air pumping bag 45 can provide a buffer effect for the movable rod 35 in a short time to avoid the movable rod 35 from rapidly moving downwards, and effectively reduce the influence of short-time water use condition on the regulating cavity 32, and then the corresponding registration of the movable rod 35 in the adjusting cavity 32 is the temperature of the common water, and the temperature feedback is more suitable for life.

As an embodiment of the present invention, the length of the movable rod 35 corresponding to the adjustment chamber 32 is larger than that of the movable rod 35 corresponding to the liquid storage chamber 31 in the initial state; the two moving rods 35 are positioned in the feedback cavity 34 and are fixedly connected with supporting plates 46; a hydraulic bag 47 is fixedly connected between the two supporting plates 46; the hydraulic bag 47 is filled with hydraulic oil; the sealing plate 27 is rotatably connected with the transmission rod 22; a rotating groove 5 is formed in the side wall of the inner cavity of the water outlet pipe 2; the upper part of the sealing plate 27 extends into the rotating groove 5; one side of the rotating groove 5 is fixedly connected with a folding bag 51; the folding bag 51 and the hydraulic bag 47 are designed to be communicated through a catheter; the folding bag 51 is in sliding connection with the sealing plate 27 in the rotating groove 5; the sealing plate 27 is positioned in the rotating groove 5, one end of the sealing plate is far away from one side of the folding bag 51 and is elastically connected with the rotating groove 5 through a spring; when the temperature in the adjusting cavity 32 is consistent with that in the liquid storage cavity 31, the folding bag 51 is completely contracted, and the hydraulic oil is completely contained in the hydraulic bag 47;

when the circulating pump works, along with the continuous use of hot water, the movable rod 35 in the adjusting cavity 32 moves in the feedback cavity 34, so that the temperature of daily water is recorded, after the water flow is stopped, the temperature in the hot water pipe continuously decreases, the height difference between the movable rod 35 in the adjusting cavity 32 and the movable rod 35 in the liquid storage cavity 31 is set, so that the temperatures in the liquid storage cavity 31 and the adjusting cavity 32 are the same, a height difference exists between the two movable rods 35, the size of a hydraulic bag 47 fixedly connected between supporting plates 46 fixedly connected on the two movable rods 35 is set to be the same as the volume of hydraulic oil, when the circulating pump judges whether the starting condition is met according to the summarized life passing parameters, when the temperature in the hot water pipe is transmitted into the liquid storage cavity 31 through the heat conducting column, so that the movable rod 35 of the liquid storage cavity 31 moves, the water temperature in the hot water pipe is the same as the temperature of the daily water corresponding to the movable rod 35 in the adjusting cavity 32, the hydraulic bag 47 completely extracts the hydraulic oil, so that the folding bag 51 contracts to make the sealing plate 27 in the rotating groove 5 under the action of the spring, further the sealing plate 27 rotates to completely block the diversion groove 14 and the conduction groove 26 corresponding to the cold water pipe, at this time, when the rotating valve 21 is pulled to use water, all the outlet water is water flow in the hot water pipe, and along with the use of the water flow in the hot water pipe, the water temperature in the hot water pipe rises, further the temperature in the liquid storage cavity 31 gradually rises, further the moving rod 35 corresponding to the liquid storage cavity 31 gradually moves towards the feedback cavity 34, further the hydraulic bag 47 is pressed, the hydraulic oil is conveyed into the folding bag 51 through the guide pipe, the folding bag 51 expands to further push the sealing plate 27, further the sealing plate 27 extrudes the spring to rotate, further the conduction groove 26 corresponding to the cold water is gradually opened, and the opening of the conduction groove 26 corresponding to the hot water is reduced, further the water temperature is adjusted, so as to keep the effluent at a constant temperature.

As an embodiment of the present invention, the transmission rod 22 is provided with a sliding groove 6 above the sealing plate 27; a positioning ring 61 is slidably connected in the sliding groove 6; the positioning ring 61 is fixedly connected with a pulling tooth 62; a spring is arranged between the positioning ring 61 and the sealing plate 27; a limiting rod 63 is fixedly connected to the inner cavity of the water outlet pipe 2 above the positioning ring 61; in the initial state, the poking teeth 62 are not in contact with the sealing plate 27;

when the rotary valve 21 is closed, the transmission rod 22 drives the rubber plug 23 and the sealing plate 27 to move towards the guide groove 14, so that the shifting teeth 62 on the positioning ring 61 are separated from the sealing plate 27, the sealing plate 27 is rotationally connected with the transmission rod 22, and the transmission rod 22 is driven to rotate by rotating the rotary valve 21, so that the sealing plate 27 is not driven to rotate, on the contrary, the sealing plate 27 can be influenced by the volume of the folded bag 51, the blockage condition of the two conduction grooves 26 by the sealing plate 27 is controlled by the temperature comparison between the liquid storage cavity 31 and the adjusting cavity 32, when the rotary valve 21 is pulled, and the water outlet pipe 2 is opened, the transmission rod 22 moves upwards, so that the sealing plate 27 moves upwards, and the positioning ring 61 is limited by the limiting rod 63, so that the distance between the positioning ring 61 and the sealing plate 27 is shortened, and the shifting teeth 62 on the positioning ring 61 are meshed with the sealing plate 27, at this moment, the current water temperature can be readjusted by rotating the rotary valve 21, the adjustment of the sealing plate 27 is controlled by the rotary valve 21 and the folding bag 51 in the water outlet state and the water cut-off state respectively, so that the water outlet temperature is closer to the temperature of daily water when the water outlet pipe 2 is started effectively, and meanwhile, the water temperature can be regulated freely after the water outlet pipe 2 discharges water, so that the adjustment of the water temperature is more free.

As an embodiment of the present invention, a cushion pad is fixedly connected to the upper surface of the positioning ring 61; the upper surface of the sealing plate 27 is uniformly designed in a tooth socket shape, and the tooth sockets on the upper surface of the sealing plate 27 are symmetrically designed on two sides of the sealing plate 27; tooth grooves on two sides of the sealing plate 27 have one-way obstruction performance;

the during operation, through with tooth's socket symmetric design and both sides one-way hindrance effect on the closing plate 27 opposite, after pulling the rotary valve 21, the closing plate 27 combines with stirring tooth 62, present temperature is the same with the temperature that adjusts the chamber 32 and correspond this moment, but the closing plate 27 is not in central position, along with the lapse of time, the temperature in the hot-water line risees gradually, and then make hydraulic pressure bag 47 transmit hydraulic oil to folding bag 51 in gradually, and then promote the closing plate 27 and rotate, the setting of the tooth's socket of unidirectional setting can avoid corresponding hydrothermal half closing plate 27 to stirring tooth 62 formation hindrance effectively, and then in rivers use, make between the initial condition mutually non-corresponding closing plate 27 and the rotary valve 21 correspond, and then be convenient for manually adjust the temperature.

The specific implementation flow is as follows:

when the water heater works, the singlechip and the water controller are arranged, the singlechip records water using time according to a built-in real-time clock circuit in the process of using hot water and stores the water using time in a nonvolatile memory for summarizing, the learning stage period is 1 week, the daily water using time of the learning stage is sorted, the water using time with the interval less than 15min is integrated, a daily water using time period distribution table is output, the daily water using time period distribution table of one week time of the learning stage is checked for duplication, the water using time with the superposition time more than two times is sorted, a daily circulation time table is output, the singlechip starts a water temperature sensor in the water controller according to the real-time clock circuit and the daily circulation time table, the water temperature sensor detects the temperature in a hot water pipe and transmits the temperature to the singlechip, and when the water temperature is lower than the set temperature, the singlechip controls a circulation pump and a water heater to start so as to replace cold water in the hot water pipe, meanwhile, when hot water is used, the rotating valve 21 is manually pulled, so that the rotating valve 21 drives the transmission rod 22 to move upwards in the inner cavity of the water outlet pipe 2, the rubber plug 23 moves towards the direction of the first through groove 15 in the guide groove 14, the conduction groove 26 at the bottom of the rubber plug 23 is conducted with the guide groove 14, hot water and cold water separated by the baffle 25 enter the inner cavity of the water outlet pipe 2 through the conduction groove 26 under the action of water pressure and flow outwards, the cold water flowing outwards is mixed with the hot water to heat or cool the heat conducting rod 33, so that the heat conducting rod 33 transfers heat into the adjusting cavity 32, kerosene solution in the adjusting cavity 32 is heated and expanded, the moving rod 35 in the adjusting cavity 32 is pushed to move towards the feedback cavity 34, at the moment, the temperature in the liquid storage cavity 31 is higher than the temperature in the adjusting cavity 32 because the temperature in the hot water pipe is higher than the water outlet temperature, and the height of the moving rod 35 corresponding to the liquid storage cavity 31 is higher than that of the moving rod 35 in the feedback cavity 34 and is higher than that of the moving rod corresponding to the adjusting cavity 32 35 is located the height in feedback chamber 34, because stock solution chamber 31 inner wall is heat radiation material after finishing the water, it is insulation material to adjust chamber 32 inner wall, the temperature in stock solution chamber 31 reduces gradually, and then make the movable rod 35 that corresponds stock solution chamber 31 remove to stock solution chamber 31 inside gradually, after real-time clock circuit in the singlechip ran to the moment on the circulation timetable, the singlechip judges the temperature in the hot water pipe and adjusts the leaving water temperature that represents in the chamber 32 last time through the position sensor on the movable rod 35 and contrasts, when the temperature in the hot water pipe is lower, start the circulating pump, otherwise then do not start the circulating pump.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A circulating water pump control method for memorizing use habits of users is characterized in that: the circulating water pump control method for memorizing the use habits of users comprises the following steps:

s1, learning stage: a water flow sensor in a water controller fixedly connected to a water outlet pipe (2) of the hot water pipe is used for sensing the water outlet state of the hot water pipe and outputting a corresponding signal to a single chip microcomputer, the single chip microcomputer records the water using time according to a built-in real-time clock circuit and stores the water using time in a nonvolatile memory for gathering, and the learning period is 1 week;

the water passing mechanism comprises a shell (1), a water outlet pipe (2) and a rotary valve (21); the shell (1) is a cuboid mechanism with one arc side; a cold joint (11), a hot joint (12) and a water return joint (13) are fixedly connected to one side of the shell (1) opposite to the arc; the cold joint (11), the hot joint (12) and the water return joint (13) are sequentially arranged and are respectively used for connecting a cold water pipe, a hot water pipe and a water return pipe; flow guide grooves (14) are formed in the shell (1) corresponding to the cold joint (11), the hot joint (12) and the water return joint (13); the flow guide grooves (14) are mutually communicated; a first through groove (15) is formed above the shell (1); the first through groove (15) is communicated with the diversion groove (14); the first through groove (15) is positioned in the middle of the cold joint (11) and the hot joint (12) in the horizontal direction; the water outlet pipe (2) is fixedly connected in the first through groove (15); the water outlet pipe (2) is a hollow pipe with a T-shaped structure; one side of the water outlet pipe (2) far away from the shell (1) is rotatably connected with a rotary valve (21); a transmission rod (22) is connected in the inner cavity of the water outlet pipe (2) in a sliding manner; the transmission rod (22) extends into the diversion trench (14); one end of the transmission rod (22) positioned in the diversion trench (14) is rotatably connected with a rubber plug (23); the height of the rubber plug (23) is greater than the diameter of the diversion trench (14); one side of the rubber plug (23) close to the diversion trench (14) is provided with a sealing trench (24); the sealing groove (24) bisects the rubber plug (23); the guide groove (14) is fixedly connected with a baffle (25) corresponding to the sealing groove (24); the rubber plug (23) is provided with symmetrically designed conduction grooves (26); the conduction grooves (26) are respectively positioned at two sides of the sealing groove (24); the conduction groove (26) conducts the bottom and the top of the rubber plug (23); in an initial state, the rubber plug (23) is in sliding connection with the baffle (25) through the sealing groove (24), the rubber plug (23) is attached to the bottom of the diversion groove (14), and the conduction groove (26) is blocked; the transmission rod (22) is fixedly connected with a sealing plate (27) at one side of the rubber plug (23) far away from the diversion trench (14); the sealing plate (27) is of semicircular design;

the feedback mechanism comprises a feedback tube (3), a heat conducting rod (33) and a signal generator; the feedback pipe (3) is fixedly connected to the upper end of the shell (1); a liquid storage cavity (31) and an adjusting cavity (32) are formed in the feedback pipe (3); the liquid storage cavity (31) and the adjusting cavity (32) are parallel to each other; the liquid storage cavity (31) and the adjusting cavity (32) have the same size and diameter; kerosene is filled in the liquid storage cavity (31) and the adjusting cavity (32); the interior of the adjusting cavity (32) is coated by a heat-insulating material; the liquid storage cavity (31) is coated by a heat dissipation material; the liquid storage cavity (31) and the adjusting cavity (32) are fixedly connected with heat conducting rods (33), the heat conducting rods (33) in the liquid storage cavity (31) extend to one end, close to the hot connector (12), of the diversion trench (14), and the heat conducting rods (33) in the adjusting cavity (32) extend into the water outlet pipe (2); the feedback tube (3) is positioned above the liquid storage cavity (31) and the adjusting cavity (32) and is provided with a feedback cavity (34); the liquid storage cavity (31) and the adjusting cavity (32) are both connected with a movable rod (35) in a sliding way; the movable rod (35) is in a T-shaped design and is in sliding sealing connection with the liquid storage cavity (31) and the adjusting cavity (32); the moving rods (35) extend into the feedback cavity (34); position sensors are fixedly connected to the two moving rods (35); the position sensor is electrically connected with the signal generator; the signal generator is used for transmitting the circulation information, and when the height of the movable rod (35) corresponding to the liquid storage cavity (31) in the feedback cavity (34) is smaller than the height of the movable rod (35) corresponding to the adjusting cavity (32) in the feedback cavity (34), the signal generator transmits the circulation information.

2. The method for controlling the circulating water pump according to claim 1, wherein the method comprises the following steps: the transmission rod (22) is fixedly connected with an annular plate (4); the lower surface of the annular plate (4) is fixedly connected with a squeezing bag (41); the inner cavity of the water outlet pipe (2) is fixedly connected with a squeezing plate (42); an expansion bag (43) is fixedly connected to the moving rod (35) corresponding to the adjusting cavity (32); the expansion bag (43) and the extrusion bag (41) are designed to be communicated through a catheter.

3. The method for controlling the circulating water pump according to claim 2, wherein the method comprises the following steps: one end of the moving rod (35) positioned in the adjusting cavity (32) is connected with a negative pressure plate (44); an air pumping bag (45) is fixedly connected between the negative pressure plate (44) and the movable rod (35); the air pumping bag (45) is communicated with the outside through a catheter.

4. The method for controlling the circulating water pump according to claim 1, wherein the method comprises the following steps: the length of the movable rod (35) corresponding to the adjusting cavity (32) is larger than that of the movable rod (35) corresponding to the liquid storage cavity (31) in the initial state; the two moving rods (35) are positioned in the feedback cavity (34) and are fixedly connected with supporting plates (46); a hydraulic bag (47) is fixedly connected between the two supporting plates (46); hydraulic oil is filled in the hydraulic bag (47); the sealing plate (27) is rotationally connected with the transmission rod (22); a rotating groove (5) is formed in the side wall of the inner cavity of the water outlet pipe (2); the upper part of the sealing plate (27) extends into the rotating groove (5); one side of the rotating groove (5) is fixedly connected with a folding bag (51); the folding bag (51) and the hydraulic bag (47) are designed to be communicated through a catheter; the folding bag (51) is in sliding connection with the sealing plate (27) in the rotating groove (5); the sealing plate (27) is positioned in the rotating groove (5), one end of the sealing plate is far away from one side of the folding bag (51) and is elastically connected with the rotating groove (5) through a spring; when the temperature in the adjusting cavity (32) is consistent with the temperature in the liquid storage cavity (31), the folding bag (51) is completely contracted, and the hydraulic oil is completely contained in the hydraulic bag (47).

5. The method for controlling the circulating water pump according to claim 4, wherein the method comprises the following steps: the transmission rod (22) is positioned above the sealing plate (27) and is provided with a sliding groove (6); a positioning ring (61) is connected in the sliding groove (6) in a sliding manner; the positioning ring (61) is fixedly connected with a poking tooth (62); a spring is arranged between the positioning ring (61) and the sealing plate (27); the inner cavity of the water outlet pipe (2) is positioned above the positioning ring (61) and is fixedly connected with a limiting rod (63); in the initial state, the poking teeth (62) are not in contact with the sealing plate (27).

6. The method for controlling the circulating water pump according to claim 5, wherein the method comprises the following steps: the upper surface of the positioning ring (61) is fixedly connected with a cushion pad; the upper surface of the sealing plate (27) is uniformly designed in a tooth groove shape, and the tooth grooves on the upper surface of the sealing plate (27) are symmetrically designed on two sides of the sealing plate (27); tooth grooves on two sides of the sealing plate (27) are all provided with one-way barrier property.