CN104764211A - Water heater ineffectual cold water recycling utilization system - Google Patents
Water heater ineffectual cold water recycling utilization system Download PDFInfo
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- CN104764211A CN104764211A CN201510213868.4A CN201510213868A CN104764211A CN 104764211 A CN104764211 A CN 104764211A CN 201510213868 A CN201510213868 A CN 201510213868A CN 104764211 A CN104764211 A CN 104764211A
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Abstract
The invention provides a water heater ineffectual cold water recycling utilization system. The system comprises a water heater, a temperature pressure three-way control valve and a cold water recycling device. The temperature pressure three-way control valve comprises a pressure sensor, a microcontroller, a temperature sensor, a valve body, a valve element and a plunger. The two ends of a plunger rod of the plunger are fixedly connected with a first magnet and a second magnet respectively. The piston portion of the plunger is located in a piston cavity in the valve element. An inlet, a first outlet and a second outlet in the valve body are communicated with the piston cavity. The first magnet and the second magnet are opposite to a first magnet winding and a second magnet winding respectively. The microcontroller is electrically connected with the pressure sensor, the temperature sensor, the first magnet winding and the second magnet winding. A hot water outlet of the water heater is communicated with an inlet pipe on the temperature pressure three-way control valve. A cold water outlet in the temperature pressure three-way control valve is communicated with a cold water recycling device pipe. By means of the water heater ineffectual cold water recycling utilization system, waste of ineffectual cold water of the water heater is reduced, and energy saving and consumption reduction are facilitated.
Description
Technical field
The present invention relates to a kind of hot water cyclesystem in Thermal Power Engineering Field, especially relate to a kind of water heater ineffectual cold water recycling system.
Background technology
At present, in kitchen, the place such as toilet or lavatory in family or other life & amusement places, generally all water heater is installed.In general, the connected mode of water heater pipeline system is: the water side of water heater is connected by pipeline with the entrance point of hot water tap, and concrete length is different according to the difference in place, from several meters to tens meters not etc.Due to the existence of this section of hot-water line pipeline, at every turn when using water heater, hot water tap can not flow out hot water immediately, but after needing to wait for that hot water tap discharges cold water a period of time, the hot water required for us could be flowed out, so just cause the waste of water resource.The main cause of the problems referred to above is caused to be exactly that cold water residual in this segment pipe between water outlet of water heater end and hot water tap (this segment pipe is defined as hot-water line, lower with) is discharged and water heater heating cold water all needs the regular hour.
For the problems referred to above, in existing solution, the most general is exactly adopt hot water cyclesystem.Although this system can reach the object that ineffectual cold water (refering in particular to the cold water or warm water that do not reach uniform temperature, lower same) is zero, and meets the requirement of instant hot water simultaneously, namely turning on hot water tap just has hot water to flow out, and does not need to wait for a period of time.But, due to the object of instant hot water will be reached, therefore, hot water cyclesystem must be run all the period of time or timing section is run, and so just inevitably consumes the more energy, be unfavorable for saving energy and reduce the cost, and, with this hot water cyclesystem run consume the energy value compared with, the value of the ineffectual cold water that this hot water cyclesystem can be eliminated also is be worth discussion, in actual motion, the economy of this hot water cyclesystem is not high.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, provides a kind of water heater ineffectual cold water recycling system, reduce the waste of ineffectual cold water resource when using water heater, and energy resource consumption is few.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of water heater ineffectual cold water recycling system, comprise water heater, temperature and pressure three-way control valve and cold water retracting device, described temperature and pressure three-way control valve comprises pressure inductor, microcontroller, temperature inductor, valve body, spool, plunger, the plunger rod two ends of described plunger all expose to valve body and respectively with the first magnet, second magnet is fixedly connected with, in the piston region of the described plunger plunger shaft in spool and relative to spool rectilinear motion, import on described valve body, first outlet and the second outlet communicate with the plunger shaft in spool respectively, described first magnet, the second magnet are oppositely arranged with the first electromagnetism winding, the second electromagnetism winding respectively, and described microcontroller is connected with pressure inductor, temperature inductor, the first electromagnetism winding, the second electromagnetism winding electric respectively, the hot water outlet of described water heater is connected with the inlet pipeline on temperature and pressure three-way control valve and communicates, and the cooling water outlet on described temperature and pressure three-way control valve is connected with cold water retracting device pipeline and communicates.
Preferably, described cold water retracting device comprises water pump and check valve, cooling water outlet on described temperature and pressure three-way control valve is connected with unit fixed on water pump suction end pipeline, and pump outlet is connected with check valve inlet end pipeline, and one-way valved outlet end is connected with the cooling water inlet pipeline of water heater and communicates.
Preferably, described cold water retracting device comprises header tank, and described header tank entrance point is connected with the cooling water outlet pipeline on temperature and pressure three-way control valve and communicates.
Preferably, described cold water retracting device comprises header tank, pressure triple valve and with drainage facility, header tank arranges the water level sensor be electrically connected with microcontroller, described header tank entrance point is connected with the cooling water outlet pipeline on temperature and pressure three-way control valve and communicates, the header tank port of export is connected with the entrance point pipeline of on pressure triple valve, another entrance point on pressure triple valve is connected with the cooling water inlet pipeline of water heater, the port of export on pressure triple valve is connected with pipeline between drainage facility, and, when water level sensor feedback header tank has water signal, microprocessor control pressure triple valve also makes pressure triple valve and with the pipeline conducting between drainage facility, closedown of pipeline between the cooling water inlet pipeline of pressure triple valve and water heater, when water level sensor feedback header tank no water signal, microprocessor control pressure triple valve pipeline conducting between the cooling water inlet pipeline making pressure triple valve and water heater, and pressure triple valve and with the closedown of pipeline between drainage facility.
Preferably, described pressure inductor is arranged on and exports with first of temperature and pressure three-way control valve or second to export on the heat outputting fluid circuit that communicates, for responding to the pressure signal of the hot fluid that described heat outputting fluid circuit exports, and pressure signal is transferred to microcontroller.
Preferably, described pressure inductor is arranged on and exports with first of temperature and pressure three-way control valve or second to export on the heat outputting fluid circuit that communicates, described heat outputting fluid circuit arranges the control valve controlling hot fluid and flow out, pressure signal for responding to the pressure signal of the aperture of described control valve, and is transferred to microcontroller by described pressure inductor.
Preferably, described temperature inductor is arranged on the intake line that communicates with the import of temperature and pressure three-way control valve, for responding to the temperature signal of the current entering described import, and temperature signal is transferred to microcontroller.
Preferably, the cross sectional shape of described plunger is " ten " font.
Preferably, it is plane orthogonal with the plunger rod of plunger that the rank between the first described magnet and the first electromagnetism winding closes contact surface.
Preferably, it is plane orthogonal with the plunger rod of plunger that the rank between the second described magnet and the second electromagnetism winding closes contact surface.
Compared with prior art, the invention has the beneficial effects as follows: temperature and pressure three-way control valve is changed by the water flow temperature of temperature inductor sensing valve input and come the mechanical pressure of sensing valve output or the change of water flow pressure by pressure inductor, can realize closedown completely and two kinds of one-in-and-one-outs totally 3 kinds of on off states of temperature and pressure three-way control valve.After water heater is opened, can the ineffectual cold water in the pipeline between point be used to export cold water retracting device to outlet of water heater end and hot water by temperature and pressure three-way control valve, to realize the recycling of ineffectual cold water or to collect for other use water spots, thus effectively reduce the waste of the ineffectual cold water of water heater, be conducive to the energy-saving and cost-reducing of water heater.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram (embodiment 1) of a kind of water heater ineffectual cold water of the present invention recycling system.
Fig. 2 is the structural principle block diagram (embodiment 2) of a kind of water heater ineffectual cold water of the present invention recycling system.
Fig. 3 is the structural principle block diagram (embodiment 3) of a kind of water heater ineffectual cold water of the present invention recycling system.
Fig. 4 is the principle assumption diagram (valve is in buttoned-up status) of the temperature and pressure three-way control valve in Fig. 1/Fig. 2/Fig. 3.
Fig. 5 is that the import of temperature and pressure three-way control valve in Fig. 1/Fig. 2/Fig. 3 exports with first the view communicated.
Fig. 6 is that the import of temperature and pressure three-way control valve in Fig. 1/Fig. 2/Fig. 3 exports with second the view communicated.
Mark in figure: 1-pressure inductor, 2-plunger, 3-first electromagnetism winding, 4-first magnet, 5-valve body, 6-first exports, 7-spool, and 8-second exports, 9-second magnet, 10-second electromagnetism winding, 11-import, 12-temperature inductor.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
A kind of water heater ineffectual cold water recycling system as shown in Figure 1, mainly comprise water heater, temperature and pressure three-way control valve and cold water retracting device, the structure of temperature and pressure three-way control valve is wherein as Fig. 4, Fig. 5, shown in Fig. 6, mainly comprise valve body 5, spool 7, plunger 2, pressure inductor 1, microcontroller, temperature inductor 12, first magnet 4, second magnet 9 and the first electromagnetism winding 3 and the second electromagnetism winding 10, valve body 5 wherein adopts spherical valve body, with simplified processing process, reduce manufacturing cost, an import 11 is set on a left side for valve body 5 is half side, on the right side is half side, two outlets are set: the first outlet 6 and the second outlet 8.Described spool 7 is covered by valve body 5 inner chamber, and spool 7 arranges plunger shaft, and the cross sectional shape of described plunger shaft is rectangle, and exports 6, second respectively with import 11, first and export 8 and communicate.The plunger of described plunger 2 to be cross sectional shapes be " ten " font, plunger rod two ends wherein all expose to valve body 5, and be fixedly connected with the first magnet 4, second magnet 9 respectively, the first described magnet 4, second magnet 9 is oppositely arranged with the first electromagnetism winding 3, second electromagnetism winding 10 respectively; Piston portion on plunger 2 is then arranged in the plunger shaft of spool 7, and plunger 2 entirety can make upper and lower rectilinear motion relative to spool 7.Adopt such structure can save the material usage of plunger 2, alleviate the own wt of plunger 2, make to overcome the electromagnetic force between first magnet 4 needed for gravity acting of plunger 2 and the first electromagnetism winding 3 or the electromagnetic force between the second magnet 9 and the second electromagnetism winding 10 can suitably reduce, thus while the kinematic dexterity increasing plunger 2, the energy consumption of temperature and pressure three-way control valve can also be reduced, be conducive to the sensitivity improving temperature and pressure three-way control valve.
Convenient in order to describe, in the present embodiment, be hot fluid by the temperature flowed out from temperature and pressure three-way control valve higher than the fluid definition of uniform temperature (i.e. design temperature), correspondingly, the outlet of temperature and pressure three-way control valve heat outputting fluid be set as the second outlet 8.Described microcontroller is electrically connected with pressure inductor 1, temperature inductor 12, first electromagnetism winding 3, second electromagnetism winding 10 respectively, pressure inductor 1 is wherein arranged on and exports on the 8 heat outputting fluid circuits communicated with second of temperature and pressure three-way control valve, for responding to the pressure signal of the hot fluid that described heat outputting fluid circuit exports, and pressure signal is transferred to microcontroller.Described temperature inductor 12 is arranged on the intake line that communicates with the import 11 of temperature and pressure three-way control valve, for responding to the temperature signal of the fluid entering described import 11, and temperature signal is transferred to microcontroller.
So, the control principle of above-mentioned temperature and pressure three-way control valve is:
The pressure signal transferring to microcontroller when pressure inductor 1 is that pressure is changed to zero, and temperature inductor 12 transmits temperature signal to microcontroller, this temperature signal can be arbitrary temp, now, microprocessor control first electromagnetism winding 3, second electromagnetism winding 10 all no powers, be all in released state between the first magnet 4 and the first electromagnetism winding 3, between the second magnet 9 and the second electromagnetism winding 10, plunger 2 is in initial position, its piston portion closes import 11, as shown in Figure 1.Therefore, because the import 11 of temperature and pressure three-way control valve is obstructed, current cannot pass through from the first outlet 6, second outlet 8 of temperature and pressure three-way control valve, and namely temperature and pressure three-way control valve is now in buttoned-up status.
The pressure signal transferring to microcontroller when pressure inductor 1 is the pressure signal producing certain change, and the temperature signal that temperature inductor 12 transfers to microcontroller is water flow temperature when being less than or equal to uniform temperature, now, microprocessor control second electromagnetism winding 10 is energized, first electromagnetism winding 3 then no power, certain electromagnetic force is produced between second electromagnetism winding 10 and the second magnet 9, the second magnet 9 is made to draw close motion to the second electromagnetism winding 10, the motion of the second magnet 9 drives plunger 2 to move to the second electromagnetism winding 10 direction, when the second magnet 9 and the second electromagnetism winding 10 hold in the mouth close time, piston region on plunger 2 is in import 11, between second outlet 8, as shown in Figure 2.Now, import 11, first exports the complete conducting of passage between 6, and it is then obstructed that current can flow to the first outlet 6, second outlet 8 from import 11, do not have current to flow through in the passage namely between import 11, second outlet 8.In order to improve the reliability of holding in the mouth conjunction between the second magnet 9 and the second electromagnetism winding 10, the rank between the second magnet 9 and the second electromagnetism winding 10 is closed contact surface and is preferably designed to plane orthogonal with the plunger rod of plunger 2.
The pressure signal transferring to microcontroller when pressure inductor 1 is the pressure signal producing certain change, and the temperature signal that temperature inductor 12 transfers to microcontroller be fluid temperature (F.T.) higher than uniform temperature time, microprocessor control first electromagnetism winding 3 is energized, second electromagnetism winding 10 then no power, certain electromagnetic force is produced between first electromagnetism winding 3 and the first magnet 4, the first magnet 4 is made to draw close motion to the first electromagnetism winding 3, thus drive plunger 2 to move to the first electromagnetism winding 3 direction, when the first magnet 4 and the first electromagnetism winding 3 hold in the mouth close time, piston region on plunger 2 is in import 11, between first outlet 6, as shown in Figure 3.Now, import 11, second exports the complete conducting of passage between 8, and fluid can flow to the second outlet 8 from import 11, and namely the second outlet 8 exports the hot fluid of uniform temperature, first outlet 6 is then obstructed, does not have fluid to flow through in the passage namely between import 11, first outlet 6.In order to improve the reliability of holding in the mouth conjunction between the first magnet 4 and the first electromagnetism winding 3, the rank between the first magnet 4 and the first electromagnetism winding 3 is closed contact surface and is preferably designed to plane orthogonal with the plunger rod of plunger 2.
It should be noted that, above-mentioned pressure inductor 1 is not limited to be arranged on and exports on the 8 hot fluid output pipes communicated with second of temperature and pressure three-way control valve, can also be arranged on to export on the 8 heat outputting fluid circuits communicated with second of temperature and pressure three-way control valve, described heat outputting fluid circuit arranges the control valve controlling hot fluid and flow out, pressure signal for responding to the pressure signal of the aperture of described control valve, and is transferred to microcontroller by described pressure inductor 1.Such as, the control valve of indication can be common two-way controlled valve herein, it increases the elastic pressure shell fragment can responding to mechanical pressure, the aperture of described control valve is controlled by elastic pressure shell fragment, the mechanical pressure signal born when elastic pressure shell fragment is responded to by pressure inductor 1, detect after can transfer to microcontroller.After adopting such structure, because pressure inductor 1 is the mechanical pressure signal of induction, therefore, lower to the sensitivity requirement of pressure inductor 1, the application cost of pressure inductor 1 can be reduced, thus be conducive to the complete machine cost saving temperature and pressure three-way control valve.
According to foregoing, the first outlet 6 on described temperature and pressure three-way control valve is cooling water outlet, and the second outlet 8 is then hot water outlet.Temperature and pressure three-way control valve carrys out the water flow temperature change of sensing valve input just by temperature inductor 12, and come the mechanical pressure of sensing valve output or the change of water flow pressure by pressure inductor 1, these two kinds of variable signal of the pressure signal that temperature signal and system provide all transfer to microcontroller, the control signal exported by the microcontroller rank controlled between the first electromagnetism winding 3 and the first magnet 4 is closed or rank between the second electromagnetism winding 10 and the second magnet 9 is closed, plunger 2 is made to make upper and lower rectilinear motion relative to valve body 5, thus achieve above-mentioned 3 kinds of on off states of temperature and pressure three-way control valve, i.e. buttoned-up status and two kinds of one-in-and-one-out states.Therefore, same temperature and pressure three-way control valve is utilized can to control the flow direction of the current of different temperatures easily.
As shown in Figure 1, cold water retracting device wherein comprises water pump and check valve, and water pump wherein can be electrically connected with microcontroller, and make water pump respond to the unlatching of the first outlet 6 and start, meanwhile, induction first exports the closedown of 6 and automatically closes.The hot water outlet of described water heater is connected with import 11 pipeline on temperature and pressure three-way control valve and communicates, the first outlet 6 on described temperature and pressure three-way control valve is connected with unit fixed on water pump suction end pipeline, second outlet 8 uses with hot water and is a little connected, pump outlet is connected with check valve inlet end pipeline that (this segment pipe is defined as recovery tube, lower same), cooling water inlet pipeline (this segment pipe is defined as cold water pipe, the lower same) connection of one-way valved outlet end and water heater communicates.
Corresponding with the control principle of above-mentioned temperature and pressure three-way control valve, above-mentioned water heater ineffectual cold water recycling system mainly contains following 3 working stages:
The first, when water heater is in dead status, the import 11 on temperature and pressure three-way control valve is now in obstructed state, and therefore, current are in not flow regime, and the equal non-water flow of the first outlet 6, second outlet 8 exports.
Second, when water heater is just enabled, now, because (this segment pipe is defined as hot-water line to the pipeline between the import 11 on the hot water outlet end of water heater and temperature and pressure three-way control valve, the cold water left over is had down together), and water heater heating cold water needs certain hour, the second outlet 8 on temperature and pressure three-way control valve is in obstructed state, and import 11, then conducting between first outlet 6, therefore, the cold water left in hot-water line can flow to water pump by the first outlet 6, water pump exports the unlatching of 6 by induction first and starts, by water pump to being pressed in the cold water pipe of water feeding of heater end after the cold water pressurization in recovery tube, the check valve be connected between recovery tube and cold water pipe can stop the cold water in cold water pipe to flow to recovery tube.Reclaimed by water pump and export after the cold water that check valve enters water heater is reheated by water heater, thus ineffectual cold water is recycled, achieving the nil waste of water heater ineffectual cold water.The water pump operation time is wherein short, without the need to opening at any time, therefore, advantageously in energy-saving and cost-reducing.
3rd, after water heater starts a period of time, after water temperature in hot-water line reaches uniform temperature, the first outlet 6 on temperature and pressure three-way control valve is obstructed, then conducting between import 11, second outlet 8, therefore, hot water flows to hot water by the second outlet 8 and uses point, here hot water uses point to be generally tap, and because the closedown of the first outlet 6 makes water pump automatically close after feeding back to water pump in recovery tube pipeline, current now in recovery tube stop flowing, and whole system enters the stage that normal heating supplies water.
Above-mentioned water heater ineffectual cold water recycling system is applicable to the water system of various installation different water heaters, and such as the water heater in toilet, lavatory and kitchen, also comprises the hot-water supply system in the service industry such as hotel, food and drink.
Embodiment 2
Water heater ineffectual cold water recycling system as shown in Figure 2, cold water retracting device wherein comprises header tank, described header tank entrance point and first on temperature and pressure three-way control valve export 6 pipelines and are connected and communicate, and the port of export of described header tank is connected with several cold water water spots with no pressure; The hot water outlet of described water heater is connected with import 11 pipeline on temperature and pressure three-way control valve and communicates, and the second outlet 8 on temperature and pressure three-way control valve uses with hot water and is a little connected.Other structures, with embodiment 1, do not repeat them here.
Corresponding with the control principle of above-mentioned temperature and pressure three-way control valve, the water heater ineffectual cold water recycling system in the present embodiment mainly contains following 3 working stages:
The first, when water heater is in dead status, the import 11 on temperature and pressure three-way control valve is now in obstructed state, and therefore, current are in not flow regime, and the equal non-water flow of the first outlet 6, second outlet 8 exports.
Second, when water heater is just enabled, now, because there is the cold water left in hot-water line, and water heater heating cold water needs certain hour, the second outlet 8 on temperature and pressure three-way control valve is in obstructed state, then conducting between import 11, first outlet 6, therefore, the cold water left in hot-water line is flowed in header tank by the first outlet 6 and lays in, then be supplied to several cold water water spots with no pressure to use, thus ineffectual cold water is recycled, achieve the nil waste of water heater ineffectual cold water.
3rd, after water heater starts a period of time, after water temperature in hot-water line reaches uniform temperature, the first outlet 6 on temperature and pressure three-way control valve is obstructed, then conducting between import 11, second outlet 8, therefore, hot water flows to hot water by the second outlet 8 and uses point, and hot water here uses point to be generally tap.Stop supplying water to header tank because of the first closing of outlet 6 by the current of the first outlet 6, whole system enters the stage that normal heating supplies water.
Above-mentioned header tank can adjust the shape of container according to different installation situation, such as case, pipe, post class container.This water heater ineffectual cold water recycling system is applicable to large-scale complete hot-water supply system, is mainly used in the service for life such as hotel, food and drink class field.
Embodiment 3
Water heater ineffectual cold water recycling system as shown in Figure 3, cold water retracting device wherein comprises header tank, pressure triple valve and with drainage facility, this place be toilet with drainage facility.Header tank arranges the water level sensor be electrically connected with microcontroller, described header tank entrance point and first on temperature and pressure three-way control valve export 6 pipelines and are connected and communicate, the header tank port of export is connected with the entrance point pipeline of on pressure triple valve, another entrance point on pressure triple valve is connected with the cooling water inlet pipeline of water heater, the port of export on pressure triple valve is connected with pipeline between toilet, and, when water level sensor feedback header tank has water signal, microprocessor control pressure triple valve also makes the pipeline conducting between pressure triple valve and toilet, closedown of pipeline between the cooling water inlet pipeline of pressure triple valve and water heater, when water level sensor feedback header tank no water signal, microprocessor control pressure triple valve pipeline conducting between the cooling water inlet pipeline making pressure triple valve and water heater, and the closedown of pipeline between pressure triple valve and toilet.Other structures, with embodiment 1, do not repeat them here.
Corresponding with the control principle of above-mentioned temperature and pressure three-way control valve, the water heater ineffectual cold water recycling system in the present embodiment specializes on the basis of embodiment 2, and the water of header tank is used as toilet water by pressure triple valve.Its operation principle is mainly divided into two parts: a part is header tank water inlet end leading portion pipeline duty, i.e. the above embodiments 2, does not repeat them here; Another part is that header tank water side is to the duty with pipeline between water spot, the duty of this part depends on the on off state of pressure triple valve, and whether the on off state of pressure triple valve is responded to by header tank middle water level inductor and had this signal feedback of water to control, specifically:
First, when water level sensor senses that header tank has water, it has the signal of water to microcontroller feedback header tank, microprocessor control pressure triple valve also makes the pipeline conducting between header tank and toilet, pipeline between the cooling water inlet pipeline of header tank and water heater is then closed, now, header tank supplies water to toilet, and cold water pipe stops supplying water to toilet.
Second, when water level sensor senses that header tank is anhydrous, it is to the anhydrous signal of microcontroller feedback header tank, microprocessor control pressure triple valve pipeline conducting between the cooling water inlet pipeline making header tank and water heater, pipeline between header tank and toilet is then closed, now, cold water pipe supplies water to toilet, and header tank then stops supplying water to toilet.
Water heater ineffectual cold water recycling system in the present embodiment is applicable to the hot-water supply system of any toilet with toilet, comprises the every field in life.It can reach to collect ineffectual cold water and to control the source of toilet for feedwater, thus makes the waste of ineffectual cold water be zero, and ineffectual cold water is effectively used, and improves the utilization rate of water resource.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a water heater ineffectual cold water recycling system, it is characterized in that: comprise water heater, temperature and pressure three-way control valve and cold water retracting device, described temperature and pressure three-way control valve comprises pressure inductor (1), microcontroller, temperature inductor (12), valve body (5), spool (7), plunger (2), the plunger rod two ends of described plunger (2) all expose to valve body (5) and respectively with the first magnet (4), second magnet (9) is fixedly connected with, in the piston region of described plunger (2) plunger shaft in spool (7) and relative to spool (7) rectilinear motion, import (11) on described valve body (5), first outlet (6) and the second outlet (8) communicate with the plunger shaft in spool (7) respectively, described first magnet (4), the second magnet (9) are oppositely arranged with the first electromagnetism winding (3), the second electromagnetism winding (10) respectively, and described microcontroller is electrically connected with pressure inductor (1), temperature inductor (12), the first electromagnetism winding (3), the second electromagnetism winding (10) respectively, the hot water outlet of described water heater is connected with import (11) pipeline on temperature and pressure three-way control valve and communicates, and the cooling water outlet on described temperature and pressure three-way control valve is connected with cold water retracting device pipeline and communicates.
2. water heater ineffectual cold water recycling system according to claim 1, it is characterized in that: described cold water retracting device comprises water pump and check valve, cooling water outlet on described temperature and pressure three-way control valve is connected with unit fixed on water pump suction end pipeline, pump outlet is connected with check valve inlet end pipeline, and one-way valved outlet end is connected with the cooling water inlet pipeline of water heater and communicates.
3. water heater ineffectual cold water recycling system according to claim 1, is characterized in that: described cold water retracting device comprises header tank, and described header tank entrance point is connected with the cooling water outlet pipeline on temperature and pressure three-way control valve and communicates.
4. water heater ineffectual cold water recycling system according to claim 1, it is characterized in that: described cold water retracting device comprises header tank, pressure triple valve and with drainage facility, header tank arranges the water level sensor be electrically connected with microcontroller, described header tank entrance point is connected with the cooling water outlet pipeline on temperature and pressure three-way control valve and communicates, the header tank port of export is connected with the entrance point pipeline of on pressure triple valve, another entrance point on pressure triple valve is connected with the cooling water inlet pipeline of water heater, the port of export on pressure triple valve is connected with pipeline between drainage facility, and, when water level sensor feedback header tank has water signal, microprocessor control pressure triple valve also makes pressure triple valve and with the pipeline conducting between drainage facility, closedown of pipeline between the cooling water inlet pipeline of pressure triple valve and water heater, when water level sensor feedback header tank no water signal, microprocessor control pressure triple valve pipeline conducting between the cooling water inlet pipeline making pressure triple valve and water heater, and pressure triple valve and with the closedown of pipeline between drainage facility.
5. the water heater ineffectual cold water recycling system according to any one of claim 1-4, it is characterized in that: described pressure inductor (1) is arranged on and exports (6) or second with first of temperature and pressure three-way control valve and export on the heat outputting fluid circuit that (8) communicate, for responding to the pressure signal of the hot fluid that described heat outputting fluid circuit exports, and pressure signal is transferred to microcontroller.
6. the water heater ineffectual cold water recycling system according to any one of claim 1-4, it is characterized in that: described pressure inductor (1) is arranged on and exports (6) or second with first of temperature and pressure three-way control valve and export on the heat outputting fluid circuit that (8) communicate, described heat outputting fluid circuit arranges the control valve controlling hot fluid and flow out, pressure signal for responding to the pressure signal of the aperture of described control valve, and is transferred to microcontroller by described pressure inductor (1).
7. the water heater ineffectual cold water recycling system according to any one of claim 1-4, it is characterized in that: described temperature inductor (12) is arranged on the intake line that communicates with the import of temperature and pressure three-way control valve (11), enter the temperature signal of the current of described import (11) for induction, and temperature signal is transferred to microcontroller.
8. the water heater ineffectual cold water recycling system according to any one of claim 1-4, is characterized in that: the cross sectional shape of described plunger (2) is " ten " font.
9. the water heater ineffectual cold water recycling system according to any one of claim 1-4, is characterized in that: it is the orthogonal plane of plunger rod with plunger (2) that the rank between described the first magnet (4) and the first electromagnetism winding (3) closes contact surface.
10. the water heater ineffectual cold water recycling system according to any one of claim 1-4, is characterized in that: it is the orthogonal plane of plunger rod with plunger (2) that the rank between described the second magnet (9) and the second electromagnetism winding (10) closes contact surface.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108999999A (en) * | 2017-06-07 | 2018-12-14 | 厦门松霖科技股份有限公司 | A kind of row's air-cooled structure |
| CN110468918A (en) * | 2019-09-05 | 2019-11-19 | 王认认 | Water system equipped with warm water timing reflux mechanism |
| CN111271759A (en) * | 2020-02-24 | 2020-06-12 | 南京晓庄学院 | Water-saving and energy-saving gas hot water supply system and control method thereof |
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| CN106871457A (en) * | 2017-03-09 | 2017-06-20 | 芜湖美的厨卫电器制造有限公司 | Water heater and its control method |
| CN106871457B (en) * | 2017-03-09 | 2020-10-13 | 芜湖美的厨卫电器制造有限公司 | Water heater and control method thereof |
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| CN111271759A (en) * | 2020-02-24 | 2020-06-12 | 南京晓庄学院 | Water-saving and energy-saving gas hot water supply system and control method thereof |
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