Summary of the invention
Main purpose of the present invention is to provide a kind of easy to use, flexibly and can the water-heater system of saving resource and control method thereof.
In order to achieve the above object, the present invention proposes a kind of water-heater system, comprise: boiler, hot-water line, cold water pipe and mixed water pipe, the water inlet end of hot-water line connects boiler, hot-water line is all connected the water inlet end of mixed water pipe with the water side of cold water pipe, also comprise circulating water pipe, controller, temperature sensor and be separately positioned on the electronic valve on described hot-water line, cold water pipe and mixed water pipe, wherein:
The water inlet end of described circulating water pipe connects the water inlet end of described mixed water pipe, and the water side of circulating water pipe connects boiler;
Described temperature sensor is arranged on mixed water pipe, for detecting the leaving water temperature of mixed water pipe;
Described controller is connected with temperature sensor and each electronic valve, for controlling the aperture size of each electronic valve in conjunction with described temperature sensor to regulate the leaving water temperature of described mixed water pipe.
Preferably, this water-heater system also comprises: Fingerprint Identification Unit, is connected with described controller, for identifying the finger print information of user;
Described controller is also for the finger print information according to described Fingerprint Identification Unit identification, and the aperture size controlling each electronic valve in conjunction with described temperature sensor is to regulate the leaving water temperature of described mixed water pipe to leaving water temperature predetermined value corresponding to finger print information.
Preferably, described controller also for prestoring the finger print information of user, and selects the leaving water temperature predetermined value setting this finger print information corresponding to be stored to database according to user.
Preferably, described controller, also for when the design temperature that user selects does not meet predetermined condition, points out error message.
Preferably, this water-heater system also comprises: one-way water inlet valve, and described one-way water inlet valve is arranged on described circulating water pipe; When the leaving water temperature of described mixed water pipe does not reach predetermined value, controlled the electronic valve on mixed water pipe cuts out by described controller, the water that described hot-water line and cold water pipe flow out flows into boiler by circulating water pipe through described one-way water inlet valve.
Preferably, described Fingerprint Identification Unit is arranged on described controller, and described controller is provided with the fingerprint recognition window for identifying user fingerprints information.
Preferably, described controller is also provided with start button, time-out/water outlet button and stop button.
The present invention also proposes a kind of water-heater system control method, comprises the following steps:
Temperature sensor detects the leaving water temperature of described mixed water pipe;
The leaving water temperature of the described mixed water pipe that temperature sensor detects by controller compares with the leaving water temperature predetermined value preset;
When the leaving water temperature of described mixed water pipe does not reach described leaving water temperature predetermined value, the aperture size of the electronic valve that controller controls on hot-water line, cold water pipe and mixed water pipe regulates the leaving water temperature of described mixed water pipe to described leaving water temperature predetermined value.
Preferably, also comprise before the step that the described controller leaving water temperature of described mixed water pipe detected by temperature sensor and the leaving water temperature predetermined value preset compares:
The finger print information of Fingerprint Identification Unit identification user, described finger print information is to there being the leaving water temperature predetermined value preset;
Controller reads the leaving water temperature predetermined value preset corresponding to the finger print information of described Fingerprint Identification Unit identification from database.
Preferably, also comprise before the step of the finger print information of described Fingerprint Identification Unit identification user:
Controller prestores the finger print information of user, and selects the leaving water temperature predetermined value setting this finger print information corresponding to be stored to database according to user.
Preferably, the method also comprises:
When the leaving water temperature of described mixed water pipe reaches described leaving water temperature predetermined value, controlled the one-way water inlet valve on circulating water pipe is closed by described controller;
After user presses start button, controlled the electronic valve on mixed water pipe is opened by described controller, export the hot water of predetermined amount of flow.
Preferably, described after user presses start button, controlled the electronic valve on mixed water pipe is opened by described controller, also comprise after exporting the step of hot water:
After user's single presses time-out/water outlet button, controlled the electronic valve on described mixed water pipe cuts out by described controller, suspend and export hot water;
After user's even presses time-out/water outlet button, controlled the electronic valve on mixed water pipe is opened again by described controller, again export hot water;
After user presses stop button, controlled all electronic valves cut out by described controller, hot water supply terminates.
A kind of water-heater system that the present invention proposes and control method thereof, can automatically adjusting water outlet temperature to preset value, can also store and identify the finger print information of user, and set according to the finger print information personalization of user and control leaving water temperature and the water flow index of water heater, have flexible and convenient to use, leaving water temperature constant temperature, automatic safe, energy-saving and cost-reducing feature.
Detailed description of the invention
With reference to the structural representation that Fig. 1, Fig. 1 are water-heater system preferred embodiments of the present invention.
As shown in Figure 1, a kind of water-heater system 1 that the present embodiment proposes, comprise: boiler 2, hot-water line 7, cold water pipe 8, mixed water pipe 10, circulating water pipe 9, Fingerprint Identification Unit 4, controller 6, temperature sensor 5 and the electronic valve 15 be separately positioned on described hot-water line 7, cold water pipe 8 and mixed water pipe 10, wherein:
The water inlet end of hot-water line 7 connects boiler 2, and the water side of hot-water line 7 connects the mixed water inlet end of water pipe 10 and the water inlet end of circulating water pipe 9; The hot water source of hot-water line 7 for providing the temperature that heats higher to mixed water pipe 10, this conduit temperature is general higher, and water temperature is generally more than 65-70 degree.
The water side of mixed water pipe 10 is the hot water outlet side of water heater.
Cold water pipe 8 is regular tap water pipe, and for providing cold water source, the water side of cold water pipe 8 connects the mixed water inlet end of water pipe 10 and the water inlet end of circulating water pipe 9.
The water inlet end of circulating water pipe 9 connects the water inlet end of mixed water pipe 10, and the water side of circulating water pipe 9 connects boiler 2; The effect of circulating water pipe 9 is: when the temperature of the mixed water entering mixed water pipe 10 does not meet the requirements of temperature, this mixed water is inputed to boiler 2, in order to avoid cause water waste, also ensures constancy and the comfortableness of user's use water water temperature simultaneously.
Water in circulating water pipe 9 is single-phase inflow boiler 2 only, and does not flow out from boiler 2, and for this reason, the present embodiment is provided with one-way water inlet valve 11 on circulating water pipe 9, is controlled by this one-way water inlet valve 11, makes the only single-phase inflow boiler 2 of the water in circulating water pipe 9.Certainly, the single-phase inflow boiler 2 of water that other modes realize in circulating water pipe 9 can also be adopted.
Said temperature sensor 5 is arranged on mixed water pipe 10, for detecting the leaving water temperature of mixed water pipe 10.
Above-mentioned Fingerprint Identification Unit 4 is arranged on controller 6, for identifying the finger print information of user.The present embodiment is considered, everyone has unique fingerprint feature information being different from other people, therefore, the fingerprint feature information that individual can be utilized unique is as the cognizance code of individual, first read in and store the fingerprint feature information of different user, as the cognizance code of personal user information, and personalized leaving water temperature and the water flow of water heater can be set according to the hobby of different people or custom.
Controller 6 is connected with temperature sensor 5, Fingerprint Identification Unit 4 and each electronic valve, for the finger print information identified according to Fingerprint Identification Unit 4, and the aperture size controlling each electronic valve in conjunction with temperature sensor 5 is to regulate the leaving water temperature of mixed water pipe 10 to leaving water temperature predetermined value corresponding to finger print information.
In addition, controller 6 according to the finger print information of user, can also control the aperture of the electronic valve 15 on mixed water pipe 10, controls hot water effluent's flow indicator of water heater.
Particularly, user according to demands of individuals, can preset the water flow of corresponding hot water effluent's temperature and water heater.
Controller 6 prestores the finger print information of user, and the finger print information of each user corresponding, selects to set leaving water temperature predetermined value corresponding to this finger print information and water flow predetermined value according to user, and be stored to database.
For the setting of leaving water temperature, user can set according to personal like, also as required, can be set to the default value that certain is general.Such as, the leaving water temperature Ts of default setting personal like is 42 degrees Celsius.Certainly, design temperature Ts index in rational scope, can must be arranged according to individual demand flexibly, realizes the parameter value that different users has different personal likes.Such as: party a subscriber likes that can set out coolant-temperature gage Ts is 43 degree with some washing bath of heat, and party b subscriber likes that can arrange Ts is 38 degree with slightly cooler washing bath, etc.When the parameter arranged exceedes security requirement or unwarranted demand, system can automatic shield.Such as: if it is 80 degree etc. that certain user sets out coolant-temperature gage Ts, then by system automatic shield, user cannot be arranged, and point out error message etc.
The present embodiment is provided with fingerprint recognition window 17 on controller 6, is also provided with start button 18, time-out/water outlet button 19 and stop button 20 simultaneously.
When user uses, controller 6 reads the user fingerprints information of Fingerprint Identification Unit 4 identification by fingerprint recognition window 17, after reading correct user fingerprints data, system starts, controller 6 obtains the corresponding hot water effluent's temperature preset and water flow according to the finger print information of user from local data base, control the aperture of respective electronic valve, to realize hot water effluent's temperature and the water yield of the water heater required for user, meet users ' individualized requirement.
The present embodiment middle controller 6 automatically can regulate the aperture size of corresponding electronic valve in the scope of 0-100%, automatically opens or closes electronic valve, thus regulates the hobby temperature Ts that the leaving water temperature Th of the water side of mixed water pipe 10 sets to user.
Its concrete control procedure is:
Controller 6 reads in the leaving water temperature Ts data of user's setting according to the finger print information of user from local data base, then the electronic valve 13 of opening installation on cold water pipe 8 is to certain aperture, and then the electronic valve 12 progressively opened on hot-water line 7 is to certain aperture, temperature sensor 5 detection of dynamic mixes the leaving water temperature Th of water pipe 10.
When leaving water temperature Th do not regulate meet or exceed setting leaving water temperature Ts time, controlled by controller 6, the electronic valve 15 on mixed water pipe 10 is made to keep closing, the mixing water not reaching setting requirement flowed out through cold water pipe 8 and hot-water line 7 flows into boiler 2 by circulating water pipe 9 through one-way water inlet valve 11, on the one hand in order to avoid cause water waste, also ensure that constancy and the comfortableness of user's use water water temperature on the other hand.
Meanwhile, controller 6 continues the aperture of the electronic valve 12,13 on adjusting water outlet temperature and cold water pipe 8, hot-water line 7, until output water temperature Th reaches the temperature Ts of user's setting.
After leaving water temperature Th regulates the hobby temperature Ts reaching user's setting, the one-way water inlet valve 11 of circulating water pipe 9 is closed.Electronic valve 13 on cold water pipe 8 and the electronic valve 12 on hot-water line keep current aperture state, and water-heater system 1 is in standby.Whether system queries start button 18 is pressed.After user presses start button 18, the electronic valve 15 on mixed water pipe 10 is opened, and hot water flows out for user.
After user's single presses time-out/water outlet button 19, the electronic valve 15 on mixed water pipe cuts out, and suspends and hot water.
After user's even presses time-out/water outlet button 19, the electronic valve 15 on mixed water pipe is opened again, again goes out hot water for user; Until after user presses stop button 20, all electronic valves 11,12,13,15 cut out, and hot water supply terminates, until when user inputs finger print data again, then restart.
Such as, the leaving water temperature Ts that certain user sets personal like is 42 degrees Celsius, and after water-heater system 1 reads in correct user fingerprints data from fingerprint recognition window 17, system starts.The electronic valve 13 of the first opening installation of system on cold water pipe 8 is to certain aperture, and then the hot water outlet electronic valve 12 progressively opened on hot-water line 7 is to certain aperture, temperature sensor 16 detection of dynamic mixes the leaving water temperature Th of water pipe 10, when the leaving water temperature Th of mixed water pipe 10 is not equal to the leaving water temperature Ts of user's setting, the mixing water not reaching design temperature requirement flows into boiler 2 from circulating water pipe 9 by one-way water inlet valve 11.If now leaving water temperature is 39 degree, show that the hot water water yield is little, then strengthened the aperture of the electronic valve 12 on hot-water line 7 by controller 6, until leaving water temperature Th reaches the temperature Ts:42 degree of user's setting.
After the leaving water temperature Ts that the aperture of the electronic valve 13 on cold water pipe 8 and the electronic valve 12 on hot-water line 7 ensures to meet user's setting requires, electronic valve 13 on cold water pipe 8 and the electronic valve 12 on hot-water line 7 keep current aperture state, and water-heater system 1 is in ready holding state.
Now, after user presses start button 18, the electronic valve 15 on mixed water pipe 10 is opened, and hot water effluent temperature Th now equals the leaving water temperature Ts of user's setting, such as: 42 degrees Celsius.
Now, controller 6 is by regulating the aperture size of the electronic valve 15 on mixed water pipe 10, the water flow regulating the water flow on mixed water pipe 10 to set to user with this.
Certainly, user also can as required, and manual adjustments mixes the electronic valve 15 on water pipe 10, regulates with this flow liked to oneself by discharge.
After this, after user's single presses time-out/water outlet button 19, electronic valve 15 temporary close on mixed water pipe 10, suspends and provides hot water; After user's even presses time-out/water outlet button 19, the electronic valve 15 on mixed water pipe 10 is opened again, continues to provide hot water, until after user presses stop button 20, all electronic valves 11,12,13,15 cut out, and this hot water supply terminates.
If user reads in finger print data again, then again provide hot water on demand.
Illustrate as follows:
When certain user takes a shower, press start button 18 latter 5 minutes, press time-out/water outlet button 19, the electronic valve 15 on mixed water pipe 10 cuts out, and hot water stops flowing out.User is flooded toward cleaning with it, shower cream 6 minutes, and then second time presses time-out/water outlet button 19, and the electronic valve 15 of mixed water pipe 10 is opened again, and hot water flows out.After user washes by water 25 minutes, take a shower complete, user presses stop button 20, and now all electronic valves 11,12,13,15 cut out.
If after user presses stop button 20, need again to use water, then need the finger print information again being read in user by the fingerprint recognition window 17 of controller 6, water-heater system 1 restarts according to the finger print information of user.
It should be noted that, in other are implemented, Fingerprint Identification Unit 4 can not also being set, for all users, without the need to carrying out adjusting water outlet temperature by fingerprint recognition, but adopting unified acquiescence leaving water temperature value and water flow value.
Water-heater system in the present embodiment can be pot-type boiler system, commercial water-heater system or other water-heater systems.
The present embodiment by such scheme, can store and identify the finger print information of user, and according to the finger print information personalization setting of user and the leaving water temperature Th index controlling water heater, have flexible and convenient to use, leaving water temperature constant temperature, automatic safe, energy-saving and cost-reducing function.Tested by practical application, collecting under identical hot water total cost prerequisite, the effectively amount of conserving water 15%, economize on electricity 18%, improves the satisfaction and the comfort level that use hot water with water unit personnel greatly.
As shown in Figure 2, first embodiment of the invention proposes a kind of water-heater system control method, and implement based on the water-heater system in above-described embodiment, the method comprises:
Step S101, temperature sensor detects the leaving water temperature of described mixed water pipe;
Step S102, the leaving water temperature of the described mixed water pipe that temperature sensor detects by controller compares with the leaving water temperature predetermined value preset;
Step S103, when the leaving water temperature of described mixed water pipe does not reach described leaving water temperature predetermined value, the aperture size of the electronic valve that controller controls on hot-water line, cold water pipe and mixed water pipe regulates the leaving water temperature of described mixed water pipe to described leaving water temperature predetermined value.
The present embodiment by circulating water pipe can automatically adjusting water outlet temperature to setting value.
Particularly, controller presets leaving water temperature value, and is stored to database.
When user uses, after system starts, controller obtains the corresponding hot water effluent's temperature preset from local data base, control the aperture size of electronic valve, the present embodiment middle controller automatically can regulate the aperture size of corresponding electronic valve in the scope of 0-100%, automatically open or close electronic valve, thus regulate the leaving water temperature Ts of leaving water temperature Th to setting of the water side of mixed water pipe.
Its concrete control procedure is:
Controller reads in the leaving water temperature Ts data of user's setting from local data base, then the electronic valve of opening installation on cold water pipe is to certain aperture, and then the electronic valve progressively opened on hot-water line is to certain aperture, temperature sensor detection of dynamic mixes the leaving water temperature Th of water pipe.
When leaving water temperature Th do not regulate meet or exceed setting leaving water temperature Ts time, controlled by controller, the electronic valve on mixed water pipe is made to keep closing, the mixing water not reaching setting requirement flowed out through cold water pipe and hot-water line flows into boiler by circulating water pipe through one-way water inlet valve, on the one hand in order to avoid cause water waste, also ensure that constancy and the comfortableness of user's use water water temperature on the other hand.
Meanwhile, controller continues the aperture of the electronic valve on adjusting water outlet temperature and cold water pipe, hot-water line, until output water temperature Th reaches the temperature Ts of user's setting.
After leaving water temperature Th adjustment reaches design temperature Ts, the one-way water inlet valve of circulating water pipe is closed.Electronic valve on cold water pipe and the electronic valve on hot-water line keep current aperture state, and water-heater system is in standby.Whether system queries start button is pressed.After user presses start button, the electronic valve on mixed water pipe is opened, and hot water flows out for user.
The present embodiment, by such scheme, can adjusting water outlet temperature to preset value, have flexible and convenient to use, leaving water temperature constant temperature, automatic safe, energy-saving and cost-reducing feature automatically.
As shown in Figure 3, second embodiment of the invention proposes a kind of water-heater system control method, on the basis of above-mentioned first embodiment, also comprises before above-mentioned steps S102:
Step S104, the finger print information of Fingerprint Identification Unit identification user, described finger print information is to there being the leaving water temperature predetermined value preset;
Step S105, controller reads the leaving water temperature predetermined value preset corresponding to the finger print information of described Fingerprint Identification Unit identification from database.
The difference of the present embodiment and above-described embodiment is, the leaving water temperature that the present embodiment can also regulate the leaving water temperature of water heater to set to user according to the fingerprint identification information of user.
Particularly, controller prestores the finger print information of user, and selects the leaving water temperature predetermined value setting this finger print information corresponding to be stored to database according to user.
The present embodiment is considered, everyone has unique fingerprint feature information being different from other people, therefore, the fingerprint feature information that individual can be utilized unique is as the cognizance code of individual, first read in and store the fingerprint feature information of different user, as the cognizance code of personal user information, and the personalized leaving water temperature of water heater can be set according to the hobby of different people or custom.
Controller is connected with temperature sensor, Fingerprint Identification Unit and each electronic valve, for the finger print information according to Fingerprint Identification Unit identification, and the aperture size controlling each electronic valve in conjunction with temperature sensor is to regulate the leaving water temperature of mixed water pipe to leaving water temperature predetermined value corresponding to finger print information.
Particularly, user according to demands of individuals, can preset corresponding hot water effluent's temperature.
Controller prestores the finger print information of user, and the finger print information of each user corresponding, selects to set leaving water temperature predetermined value corresponding to this finger print information according to user, and be stored to database.
For the setting of leaving water temperature, user can set according to personal like, also as required, can be set to the default value that certain is general.Such as, the leaving water temperature Ts of default setting personal like is 42 degrees Celsius.Certainly, design temperature Ts index in rational scope, can must be arranged according to individual demand flexibly, realizes the parameter value that different users has different personal likes.Such as: party a subscriber likes that can set out coolant-temperature gage Ts is 43 degree with some washing bath of heat, and party b subscriber likes that can arrange Ts is 38 degree with slightly cooler washing bath, etc.When the parameter arranged exceedes security requirement or unwarranted demand, system can automatic shield.Such as: if it is 80 degree etc. that certain user sets out coolant-temperature gage Ts, then by system automatic shield, user cannot be arranged, and point out error message etc.
The present embodiment is provided with fingerprint recognition window on the controller, is also provided with start button, time-out/water outlet button and stop button etc. simultaneously.
When user uses, controller reads the user fingerprints information of Fingerprint Identification Unit identification by fingerprint recognition window, after reading correct user fingerprints data, system starts, controller obtains the corresponding hot water effluent's temperature preset according to the finger print information of user from local data base, control the aperture of electronic valve, to realize hot water effluent's temperature of the water heater required for user, meet users ' individualized requirement.
The present embodiment middle controller automatically can regulate the aperture size of corresponding electronic valve in the scope of 0-100%, automatically opens or closes electronic valve, thus regulates the hobby temperature Ts that the leaving water temperature Th of the water side of mixed water pipe sets to user.
Its concrete control procedure is:
Controller reads in the leaving water temperature Ts data of user's setting according to the finger print information of user from local data base, then the electronic valve of opening installation on cold water pipe is to certain aperture, and then the electronic valve progressively opened on hot-water line is to certain aperture, temperature sensor detection of dynamic mixes the leaving water temperature Th of water pipe.
When leaving water temperature Th do not regulate meet or exceed setting leaving water temperature Ts time, controlled by controller, the electronic valve on mixed water pipe is made to keep closing, the mixing water not reaching setting requirement flowed out through cold water pipe and hot-water line flows into boiler by circulating water pipe through one-way water inlet valve, on the one hand in order to avoid cause water waste, also ensure that constancy and the comfortableness of user's use water water temperature on the other hand.
Meanwhile, controller continues the aperture of the electronic valve on adjusting water outlet temperature and cold water pipe, hot-water line, until output water temperature Th reaches the temperature Ts of user's setting.
After leaving water temperature Th regulates the hobby temperature Ts reaching user's setting, the one-way water inlet valve of circulating water pipe is closed.Electronic valve on cold water pipe and the electronic valve on hot-water line keep current aperture state, and water-heater system is in standby.Whether system queries start button is pressed.After user presses start button, the electronic valve on mixed water pipe is opened, and hot water flows out for user, and user can control water heater by time-out/water outlet button and stop button and suspend water outlet and shutoff operation.
The present embodiment passes through such scheme, can automatically adjusting water outlet temperature to preset value, can also store and identify the finger print information of user, and set according to the finger print information personalization of user and control leaving water temperature and the water flow index of water heater, have flexible and convenient to use, leaving water temperature constant temperature, automatic safe, energy-saving and cost-reducing feature.
As shown in Figure 4, third embodiment of the invention proposes a kind of water-heater system control method, on the basis of above-mentioned second embodiment, also comprises after above-mentioned steps S103:
Step S106, when the leaving water temperature of described mixed water pipe reaches described leaving water temperature predetermined value, is controlled the one-way water inlet valve on circulating water pipe is closed by described controller;
Step S107, after user presses start button, is controlled the electronic valve on mixed water pipe is opened by described controller, exports the hot water of predetermined amount of flow.
Step S108, after user's single presses time-out/water outlet button, is controlled the electronic valve on described mixed water pipe cuts out by described controller, suspends and export hot water;
Step S109, after user's even presses time-out/water outlet button, is controlled the electronic valve on mixed water pipe is opened again by described controller, again exports hot water;
Step S110, after user presses stop button, controlled all electronic valves cut out by described controller, hot water supply terminates.
The difference of the present embodiment and above-mentioned second embodiment is, in the present embodiment, controller according to the finger print information of user, can also control the aperture of the electronic valve on mixed water pipe, control hot water effluent's flow indicator of water heater.In addition, in user's use procedure, can need to stop at any time supplying water according to user.
Particularly, user according to demands of individuals, can preset the water flow of corresponding hot water effluent's temperature and water heater.
Controller prestores the finger print information of user, and the finger print information of each user corresponding, selects to set leaving water temperature predetermined value corresponding to this finger print information and water flow predetermined value according to user, and be stored to database.
For the setting of leaving water temperature, user can set according to personal like, also as required, can be set to the default value that certain is general.Such as, the leaving water temperature Ts of default setting personal like is 42 degrees Celsius.Certainly, design temperature Ts index in rational scope, can must be arranged according to individual demand flexibly, realizes the parameter value that different users has different personal likes.Such as: party a subscriber likes that can set out coolant-temperature gage Ts is 43 degree with some washing bath of heat, and party b subscriber likes that can arrange Ts is 38 degree with slightly cooler washing bath, etc.When the parameter arranged exceedes security requirement or unwarranted demand, system can automatic shield.Such as: if it is 80 degree etc. that certain user sets out coolant-temperature gage Ts, then by system automatic shield, user cannot be arranged, and point out error message etc.
The present embodiment is provided with fingerprint recognition window on the controller, is also provided with start button, time-out/water outlet button and stop button simultaneously.
When user uses, controller reads the user fingerprints information of Fingerprint Identification Unit identification by fingerprint recognition window, after reading correct user fingerprints data, system starts, controller obtains the corresponding hot water effluent's temperature preset and water flow according to the finger print information of user from local data base, control the aperture of electronic valve, to realize hot water effluent's temperature and the water yield of the water heater required for user, meet users ' individualized requirement.
The present embodiment middle controller automatically can regulate the aperture size of corresponding electronic valve in the scope of 0-100%, automatically opens or closes electronic valve, thus regulates the hobby temperature Ts that the leaving water temperature Th of the water side of mixed water pipe sets to user.
Its concrete control procedure is:
Controller reads in the leaving water temperature Ts data of user's setting according to the finger print information of user from local data base, then the electronic valve of opening installation on cold water pipe is to certain aperture, and then the electronic valve progressively opened on hot-water line is to certain aperture, temperature sensor detection of dynamic mixes the leaving water temperature Th of water pipe.
When leaving water temperature Th do not regulate meet or exceed setting leaving water temperature Ts time, controlled by controller, the electronic valve on mixed water pipe is made to keep closing, the mixing water not reaching setting requirement flowed out through cold water pipe and hot-water line flows into boiler by circulating water pipe through one-way water inlet valve, on the one hand in order to avoid cause water waste, also ensure that constancy and the comfortableness of user's use water water temperature on the other hand.
Meanwhile, controller continues the aperture of the electronic valve on adjusting water outlet temperature and cold water pipe, hot-water line, until output water temperature Th reaches the temperature Ts of user's setting.
After leaving water temperature Th regulates the hobby temperature Ts reaching user's setting, the one-way water inlet valve of circulating water pipe is closed.Electronic valve on cold water pipe and the electronic valve on hot-water line keep current aperture state, and water-heater system is in standby.Whether system queries start button is pressed.After user presses start button, the electronic valve on mixed water pipe is opened, and hot water flows out for user.
After user's single presses time-out/water outlet button, the electronic valve on mixed water pipe cuts out, and suspends and hot water.
After user's even presses time-out/water outlet button, the electronic valve on mixed water pipe is opened again, again goes out hot water for user; Until after user presses stop button, all electronic valves cut out, and hot water supply terminates, until when user inputs finger print data again, then restart.
Such as, the leaving water temperature Ts that certain user sets personal like is 42 degrees Celsius, and after water-heater system reads in correct user fingerprints data from fingerprint recognition window, system starts.The electronic valve of the first opening installation of system on cold water pipe is to certain aperture, and then the hot water outlet electronic valve progressively opened on hot-water line is to certain aperture, temperature sensor detection of dynamic mixes the leaving water temperature Th of water pipe, when the leaving water temperature Th of mixed water pipe is not equal to the leaving water temperature Ts of user's setting, the mixing water not reaching design temperature requirement flows into boiler from circulating water pipe by one-way water inlet valve.If now leaving water temperature is 39 degree, show that the hot water water yield is little, then strengthened the aperture of the electronic valve on hot-water line by controller, until leaving water temperature Th reaches the temperature Ts:42 degree of user's setting.
After the leaving water temperature Ts that the aperture of the electronic valve on cold water pipe and the electronic valve on hot-water line ensures to meet user's setting requires, the electronic valve on cold water pipe and the electronic valve on hot-water line keep current aperture state, and water-heater system is in ready holding state.
Now, after user presses start button, the electronic valve on mixed water pipe is opened, and hot water effluent temperature Th now equals the leaving water temperature Ts of user's setting, such as: 42 degrees Celsius.
Now, controller is by regulating the aperture size of the electronic valve on mixed water pipe, the water flow regulating the water flow on mixed water pipe to set to user with this.
Certainly, user also can as required, and manual adjustments mixes the electronic valve on water pipe, regulates with this flow liked to oneself by discharge.
After this, after user's single presses time-out/water outlet button, the electronic valve temporary close on mixed water pipe, suspends and provides hot water; After user's even presses time-out/water outlet button, the electronic valve on mixed water pipe is opened again, continues to provide hot water, until after user presses stop button, all electronic valves cut out, and this hot water supply terminates.
If user reads in finger print data again, then again provide hot water on demand.
Illustrate as follows:
When certain user takes a shower, to press after start button 5 minutes, press time-out/water outlet button, the electronic valve on mixed water pipe cuts out, and hot water stops flowing out.User is flooded toward cleaning with it, shower cream 6 minutes, and then second time presses time-out/water outlet button, and the electronic valve of mixed water pipe is opened again, and hot water flows out.After user's bath minute, take a shower complete, user presses stop button, and now all electronic valves cuts out.
If after user presses stop button, need again to use water, then need the finger print information again being read in user by the fingerprint recognition window of controller, water-heater system restarts according to the finger print information of user.
It should be noted that, in other are implemented, can not also Fingerprint Identification Unit being set, for all users, without the need to carrying out adjusting water outlet temperature by fingerprint recognition, but adopting unified acquiescence leaving water temperature value and water flow value.
The present embodiment by such scheme, can store and identify the finger print information of user, and according to the finger print information personalization setting of user and the leaving water temperature Th index controlling water heater, have flexible and convenient to use, leaving water temperature constant temperature, automatic safe, energy-saving and cost-reducing function.Tested by practical application, collecting under identical hot water total cost prerequisite, the effectively amount of conserving water 15%, economize on electricity 18%, improves the satisfaction and the comfort level that use hot water with water unit personnel greatly.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.