CN107192136A - A kind of water saving and temperature-fixing water outlet and control method based on water heater - Google Patents

A kind of water saving and temperature-fixing water outlet and control method based on water heater Download PDF

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Publication number
CN107192136A
CN107192136A CN201710496585.4A CN201710496585A CN107192136A CN 107192136 A CN107192136 A CN 107192136A CN 201710496585 A CN201710496585 A CN 201710496585A CN 107192136 A CN107192136 A CN 107192136A
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CN
China
Prior art keywords
water
temperature
valve
outlet
chip microcomputer
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CN201710496585.4A
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Chinese (zh)
Inventor
毛娅
汪林磊
刘瑞瑞
张梓涵
于文峰
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201710496585.4A priority Critical patent/CN107192136A/en
Publication of CN107192136A publication Critical patent/CN107192136A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel

Abstract

The invention discloses a kind of water saving based on water heater and temperature-fixing water outlet and control method, its device includes water tank and controller, temperature sensor and level sensor are provided with water tank, input pipe, efferent duct and air hose are connected with water tank, controller is arranged on water tank surface, controller includes display screen, lower water temperature button, input pipe one end is connected with triple valve, efferent duct is provided with outlet valve, triple valve connects cold water inlet pipe and hot water input pipe respectively, and the port of air hose is provided with electromagnetic air valve.The advantage of the invention is that:It utilizes storage tank to temporary storage or the pre-mixing function of hot and cold water for being detained cold water, is not changing urbanite water consumption custom simultaneously, is realizing water heater water resource without waste.The dimension series design and single of device largely with the pattern switching of water and repeatedly a small amount of water, effectively improve its scope of application, embody human oriented design.

Description

A kind of water saving and temperature-fixing water outlet and control method based on water heater
Technical field
The present invention relates to water heater temperature's regulation technology field, and in particular to a kind of water saving and constant temperature based on water heater Discharging device and control method.
Background technology
In recent years, as people's living standard is increasingly improved, water heater market development is rapid.According to China National Bureau of Statistics of China Statistics shows that China in 2016 is 71.6 per one hundred houses domestic hot water's device owning amount, increases by 7.1%.Domestic heat in 2015 Hydrophone market whole year sales volume reaches 31,000,000, increases by 4.5% on a year-on-year basis;Water heater overall market scale breaks through 3800 within 2016 Ten thousand;Water heater market retailers amount will be expected to reach 40,330,000 within 2017.But water heater is before normally hot water is gone out, it is detained The cold water for not reaching design temperature in the remaining water in hot water line and can not be utilized normally, when thus causing the user to wait hot water Between it is long.In addition, according to a large amount of survey datas, 91% user can select to waste in these cold water.
It is broadly divided into the market on water heater water-saving type auxiliary method for yielding water following two:Pipeline emptying type goes out Water law, by the way that pipe line evacuation valve drain-solar water heater is vertical or the cold water in section of tubing diagonally downward, is avoided with reaching The purpose of the situation of cold water delay and frost crack pipe;Circulating pump return type goes out water law, is ensured by the water of circulating hot water pipeline Constant-temperature effluent.In above method, pipeline emptying type can not drain the ineffectual cold water in horizontal pipeline, and be suitable only for solar energy Water heater limits to its application;Circulating pump continuous firing in circulating pump return type, power consumption is more, and pipeline changes big, no It is adapted to ordinary family user.
The content of the invention
Present invention aim to the deficiency for existing apparatus, there is provided a kind of water saving based on water heater and constant temperature Discharging device and control method, it advantageously reduces water resource waste and energy resource consumption, promotes water heater industry to energy-conserving and environment-protective Direction develop;Can also ensure urbanite water consumption safety and comfort, and bootable property improve consciousness of saving water;In addition, present apparatus structure Simply, with low cost, universality is high, it is easy to carry out marketing application.
To achieve the above object, a kind of water saving and temperature-fixing water outlet and control based on water heater involved in the present invention Method processed, its device includes being provided with temperature sensor and level sensor, the water tank in water tank and controller, the water tank On be connected with input pipe, efferent duct and air hose, the controller is arranged on water tank surface, the controller include display screen, Lower water temperature button, described input pipe one end is connected with triple valve, and the efferent duct is provided with outlet valve, the triple valve difference Cold water inlet pipe and hot water input pipe are connected, the port of the air hose is provided with electromagnetic air valve;The lower water temperature button, temperature Degree sensor and level sensor are connected with the input of controller respectively, output end and outlet valve, the threeway of the controller Valve is connected with electromagnetic air valve.
Further, the controller includes single-chip microcomputer, and the input of the single-chip microcomputer includes water temperature detection unit, water Position detection unit and temperature setting unit, the output end of the single-chip microcomputer include relay module and intelligent water mixing module, described Water temperature detection unit is connected with temperature sensor, and the water level sensing unit is connected with level sensor, and the temperature setting is single Member connected with lower water temperature button, the relay module is connected with electromagnetic air valve, the intelligent water mixing module respectively with water outlet Valve is connected with triple valve.
Further, be additionally provided with booster pump on the efferent duct, the relay module respectively with electromagnetic air valve and Booster pump is connected.
Further, the temperature sensor is arranged on water tank bottom, and the input pipe, efferent duct are also disposed at water tank Bottom, the air hose is arranged on tank top.
Further, the level sensor is ultrasonic range finder sensor, and the level sensor is arranged on water tank top Portion.
Its control method comprises the following steps:
Step 1:Pre-mix stage:
Controller controls the water in cold water inlet pipe and hot water input pipe to be premixed into water tank, controller control three Port valve is closed and points out user to open outlet valve, and pre-mix stage terminates, into step 2;
Step 2:Water outlet stage:
Water outlet stage is different according to use state, such as has different use patterns in bathroom, the different occasions in kitchen, is divided into The a large amount of water-use models of single and repeatedly a small amount of water-use model.
Further, the step 1 comprises the following steps:
Step 1.1:User passes through lower water temperature button design temperature gear T on demand;
Step 1.2:Single-chip microcomputer control relay module opens electromagnetic air valve, while controlling intelligent water mixing module to open Triple valve makes hot water input pipe standard-sized sheet;Realize that warm water is pressurized water outlet in case, improves bath comfort degree;
Step 1.3:As t < T, the cold water being detained in hot water input pipe successively enters with the hot water in hot water input pipe Water tank is premixed, until water temperature t reaches T;As t > T, single-chip microcomputer control intelligent water mixing module, which opens triple valve, makes cold water Input pipe standard-sized sheet, hot water input pipe are closed, until water temperature t reaches T;
Step 1.4:Single-chip microcomputer control intelligent water mixing module closes triple valve and opens water valve, and points out use by display screen Family outlet valve is opened.
Further, a large amount of water-use models of single comprise the following steps in the step 2:
Step 2.1a:Before the liquid level of water reaches waterline in water tank, water level constantly declines, single-chip microcomputer control relay Device module opens booster pump;
Step 2.2a:When the liquid level of water in water tank reaches waterline, it is empty that single-chip microcomputer control relay module closes electromagnetism Air valve and booster pump;
Step 2.3a:Single-chip microcomputer is inputted by water temperature detection unit, single-chip microcomputer control intelligent water mixing module coordinates, realized Constant temperature water outlet.
Further, repeatedly a small amount of water-use model comprises the following steps in the step 2:
Step 2.1b:Before the liquid level of water reaches waterline in water tank, water level constantly declines, single-chip microcomputer control relay Device module opens booster pump;
Step 2.2b:Because water consumption is few, before liquid level reaches waterline, terminated with water, water level stops change, is System enters endless loop, waits water next time;
Step 2.3b:Repeatedly a small amount of long with water time span, water temperature drop in case when with t < T, points out to reset temperature T, into step 1.
As preference, a large amount of water-use models of single described in the step 2 and multiple a small amount of water-use model are to cut automatically Change.
The advantage of the invention is that:It utilizes storage tank to temporary storage or the pre-mixing function of hot and cold water for being detained cold water, Do not change urbanite water consumption custom simultaneously, realize water heater water resource without waste.The dimension series design and single of device are big Amount water and repeatedly a small amount of pattern switching with water, effectively improve its scope of application, embody human oriented design.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of apparatus of the present invention;
Fig. 2 is the internal structure schematic diagram of apparatus of the present invention;
Fig. 3 is the control framework map of controller;
Fig. 4 is pre-mix stage flow chart;
Fig. 5 is water outlet stage flow chart.
In figure:Water tank 1, controller 2 are (wherein:Display screen 2.1, lower water temperature button 2.2, single-chip microcomputer 2a, water temperature detection are single First 2b, water level sensing unit 2c, temperature setting unit 2d, relay module 2e, intelligent water mixing module 2f), temperature sensor 3, Level sensor 4, input pipe 5, efferent duct 6 are (wherein:Outlet valve 6.1), air hose 7, triple valve 8, cold water inlet pipe 9, hot water Input pipe 10, electromagnetic air valve 11, booster pump 12.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
A kind of water saving and temperature-fixing water outlet and control method based on water heater as shown in Fig. 1~2, its device bag Include water tank 1 and controller 2, be provided with the water tank 1 on temperature sensor 3 and level sensor 4, the water tank 1 be connected with it is defeated Enter pipe 5, efferent duct 6 and air hose 7, the controller 2 is arranged on the surface of water tank 1, the controller 2 include display screen 2.1, Lower water temperature button 2.2, described one end of input pipe 5 is connected with triple valve 8, and the efferent duct 6 is provided with outlet valve 6.1, described defeated Booster pump 12 is additionally provided with outlet pipe 6, the triple valve 8 connects cold water inlet pipe 9 and hot water input pipe 10, the air respectively The port of pipe 7 is provided with electromagnetic air valve 11;The lower water temperature button 2.2, temperature sensor 3 and level sensor 4 respectively with The input connection of controller 2, output end and outlet valve 6.1, triple valve 8 and the electromagnetic air valve 11 of the controller 2 connect It is logical.
Such as Fig. 3, the input that the controller 2 includes single-chip microcomputer 2a, the single-chip microcomputer 2a includes water temperature detection unit 2b, water level sensing unit 2c and temperature setting unit 2d, the single-chip microcomputer 2a output end include relay module 2e and intelligence Mixed water module 2f, the water temperature detection unit 2b are connected with temperature sensor 3, the water level sensing unit 2c and level sensor Device 4 is connected, and the temperature setting unit 2d is connected with lower water temperature button 2.2, the relay module 2e respectively with electromagnetic air Valve 11 is connected with booster pump 12, and the intelligent water mixing module 2f is connected with outlet valve 6.1 and triple valve 8 respectively.
The temperature sensor 3 is arranged on the bottom of water tank 1, and the input pipe 5, efferent duct 6 are also disposed at the bottom of water tank 1, The air hose 7 is arranged on the top of water tank 1.The level sensor 4 is ultrasonic range finder sensor, and the level sensor 4 is set Put in tank top.
Such as Fig. 4~5, its control method comprises the following steps:
Step 1:Pre-mix stage:
Step 1.1:User passes through the design temperature gear T on demand of lower water temperature button 2.2;
Step 1.2:Single-chip microcomputer 2a control relay modules 2e opens electromagnetic air valve 11, while controlling intelligent water mixing mould Block 2f, which opens triple valve 8, makes the standard-sized sheet of hot water input pipe 10;
Step 1.3:As t < T, the cold water being detained in hot water input pipe 10 and the hot water priority in hot water input pipe 10 Premixed into water tank 1, until water temperature t reaches T;As t > T, single-chip microcomputer 2a control intelligent water mixing modules 2f opens threeway Valve 8 closes the standard-sized sheet of cold water inlet pipe 9, hot water input pipe 10, until water temperature t reaches T;
Step 1.4:Single-chip microcomputer 2a control intelligent water mixing modules 2f closes triple valve 8 and opens water valve 6.1, and passes through display Screen 2.1 points out user's outlet valve 6.1 to open.
Step 2:Water outlet stage:
Water outlet stage is different according to use state, is divided into a large amount of water-use models of single and repeatedly a small amount of water-use model.
The a large amount of water-use models of single comprise the following steps:
Step 2.1a:In water tank 1 water liquid level reach waterline before, water level constantly declines, single-chip microcomputer 2a control after Electrical appliance module 2e opens booster pump 12;
Step 2.2a:When the liquid level of water in water tank 1 reaches waterline, single-chip microcomputer 2a control relay modules 2e is closed Electromagnetic air valve 11 and booster pump 12;
Step 2.3a:Single-chip microcomputer 2a is inputted by water temperature detection unit 2b, single-chip microcomputer 2a controls intelligent water mixing module 2f matches somebody with somebody Close, realize constant temperature water outlet.
Repeatedly a small amount of water-use model comprises the following steps:
Step 2.1b:In water tank 1 water liquid level reach waterline before, water level constantly declines, single-chip microcomputer 2a control after Electrical appliance module 2e opens booster pump 12;
Step 2.2b:Because water consumption is few, before liquid level reaches waterline, terminated with water, water level stops change, is System enters endless loop, waits water next time;
Step 2.3b:Repeatedly a small amount of long with water time span, water temperature drop in case when with t < T, points out to reset temperature T, into step 1.
The a large amount of water-use models of single described in the step 2 is automatic switchover with repeatedly a small amount of water-use model.
When actual use:
What the present invention was generally caused when being used for water heater normally goes out the cold water waste problem discharged before hot water, it is intended to Substituted running water pipe cold water or be converted into warm water, realization makes full use of, reach the purpose of energy-saving and emission-reduction.
The probe of temperature sensor 3 is located at the inner bottom surface of water tank 1 to detect water temperature;Level sensor 4 is pushed up positioned at water tank 1 Portion, to measure water level in real time;Both of which uses glass glue bond, plays sealing effectiveness;Electromagnetic air valve 11 is similarly positioned in top Portion, using threaded connection, in normally off, it ensures stable gas pressure in water tank 1 by being opened and closed;Display screen 2.1 is fixed on water The front surface of case 1, user can set leaving water temperature gear on demand by lower water temperature button 2.2;Triple valve 8 is by stepper motor and three Pass ball valve is connected by Hooks coupling universal coupling, control hot and cold water water inlet ratio;Booster pump is connected between outlet valve 6.1 and water tank 1 12, for premixing supercharging water outlet.And water tank 1 is made up of plastic casing and enamel inner container, it is specifically described as follows:
(1) plastic casing
The shell of water tank 1 uses ABS engineering plastics, with the characteristics of density is small, thermal deformation resistant temperature range is big.In addition, its Poor thermal conductivity and good insulating properties are conducive to ensureing that user uses safety.
(2) enamel inner container
The inner bag of water tank 1 uses enamelled pressed steel material.Enamel coating is acidproof, alkaline-resisting, high temperature resistant, and various ions can not ooze Its saturating top layer, can effectively ensure that water quality is not contaminated;Steel plate uses SPP enamel special steels, its have it is excellent can the application of slip Property, solderability and enough intensity.Enamel inner container also has good heat-insulating property.
This current project team enters line number milling, bonding using acrylic lucite and makes storage tank, if input is a large amount of raw Production, will make plastic casing using injection moulding and the mechanization application of slip, welding procedure make enamel inner container, reduce cost.
Theoretical Design is calculated:
The profile arrangement of water tank 1:
For the design appearance and size of water tank 1, the cold water volume that need to be discharged according to water heater is asked with the hot water volume needed for premix And gained.Wuhan City resident water heater use situation finding shows, the cool water quantity that various water heaters are wasted can by 1L ladder Degree is divided into 1L, 2L, 3L, 4L, 5L totally 5 kinds of classifications.And corresponding hot water volume is calculated by heat exchange formula and obtained.Thus draw The following serial volume of water tank 1 simultaneously rationally designs box shape size, as shown in table 1:
The profile arrangement of 1 water tank of table 1
Water outlet principle analysis:
1st, premix supercharging water outlet
To avoid the cold water for wasting water heater discharge, this section of cold water need to be temporarily stored into water tank 1 and be mixed with hot water to setting Temperature is to utilize, then electromagnetic air valve 11 need to switch to opening by normally closed, water tank 1 is discharged or air inlet, so as to smooth Inlet and outlet water.In addition, premix gained warm water relies only on gravitional force, normal hydraulic pressure can not be typically provided, it is of short duration by booster pump 12 Property supercharging.
2nd, constant temperature normal pressure water outlet
When liquid level is down to waterline, electromagnetic air valve 11 is closed, and ensures the stable gas pressure of water tank 1;It is former based on pressure equilibrium Reason, the flow of inlet water of triple valve 8 depends on water flow, liquid level is in waterline, reaches dynamic equilibrium.Now, intelligent water mixing Valve module 2f controls water temperature substantially constant, and discharge pressure is provided by hot and cold water itself, is reduced electric energy loss, is realized constant temperature normal pressure Water outlet.
Temperature sets principle analysis:
User presets leaving water temperature by temperature setting unit 2d, and the principle set using thermograde, composition temperature control is shown Each independent corresponding temperature scope of lower water temperature button 2.2 of display screen 2.1 is ± 2.5 DEG C of gear, four Independent keys correspondence temperature Spend gear as shown in table 2.
In addition, for the water heater of existing design temperature, such as combustion type, this water saving fixtures setting gear should not be greater than heat Coolant-temperature gage, temperature setting is associated with water heater temperature setting, further ensures that temperature is constant, it is to avoid the peace such as water temperature mutation Full hidden danger.
2 Independent keys of the table-temperature gear table of comparisons
The present invention is as the leading Domestic waste water reutilizing apparatus towards average family, to verify its economic and practical, to past production Product, market-oriented direction are developed, and this project team chooses each 3 institute of the home for the aged, residential area, colleges and universities of Wuhan City, by " setting up an office The mode of examination exhibition --- Consumer's Experience ", carries out works popularization and collects field feedback.
Feedback result:In the elderly, a middle-aged person and teenager in more than totally 90 people of statistics, 94% resident is for the device Small volume, moderate cost, easy to operate, power consumption is few, leaving water temperature safety and comfort, and same not changing water habits When, autonomous using water wisely simultaneously improves the These characteristics such as user's consciousness of saving water guided bone and is satisfied with, especially the elderly and family Women receives with pleasure.In addition, many residents represent, to avoid voluntarily installing the trouble brought, it is proposed that the device can conduct The new companion module of water heater reaches space rational deployment and decorate home effect attractive in appearance to realize unified installation.It is right This, this project team intends according to user's request, will be in the corresponding negotiation cooperation of water heater associated production enterprise expansion;Meanwhile, the present apparatus Also corresponding demand client purchase can be provided with separately as a novel intelligent home.
Experimental verification:
To verify the feasibility of present apparatus principle, and single is devised largely with water reality according to two kinds of different working modes Test and repeatedly tested on a small quantity with water, and in conventional conditions and under the conditions of installing the present invention additional, record user's wait water discharging time or go out Coolant-temperature gage.
1st, single is largely tested with water:
In single is largely tested with water, because under the pattern, water tank 1 is served only for stagnant in temporarily savings hot water line Stay cold water, then first with hot water mixing water outlet, therefore user waits the hot water time totally shorter, the various hot water of experiment condition hypothesis Device hot water pipe range is most common value, and experimental result is as shown in table 3.
The single of table 3 largely uses water experimental data
Experimental result is shown, compared with traditional approach, and installing additional is used for single largely with water, such as bathing, use after the present apparatus Family waiting time is very nearly the same, but is compared with traditional approach, installs additional after the present apparatus, is waiting in same time without wave simultaneously Take delay cold water, and water habits can not changed simultaneously, automatic realize saves water heater water resource.
Tested on a small quantity with water for more than 5.2 times
Tested repeatedly a small amount of with water, due under the pattern, water tank 1 is by the delay cold water and hot water in hot water line Carry out premix and reach the subsequent water outlet of design temperature, then user's waiting time is relatively long;The pattern can realize that constant temperature goes out simultaneously Water, can carry out initial leaving water temperature with traditional mode and be compared;Experiment condition assumes that various water heater hot-water pipe ranges are most common Value, experimental result is as shown in table 4.
Table uses water experimental data more than 4 times on a small quantity
Experimental result is shown, compared with traditional approach, and install additional is used to repeatedly use water on a small quantity after the present apparatus, such as washes one's hands, and uses Family waiting time slightly extends without notable;But initial leaving water temperature is compared, traditional approach causes water because delay cold water is present Temperature is low, and installs additional after the device, and it is that hot water can be achieved by premix, and temperature is close with setting value.
In summary, install additional after the present apparatus, waiting time change is small, but can realize that hot water goes out and simultaneously autonomous real Existing water heater water resource complete utilization, therefore have a clear superiority.
Performance analysis:
1st, Energy Saving Benefit Analysis:
By being investigated using the resident of water heater Wuhan, the water saving control matched with water heater is understood The using effect of warm device;So that electric heater, gas heater, solar water heater use the present apparatus as an example.
Electric heater is mainly interior conduit, by taking the average 3 meters interior conduit length of electric heater as an example, is detained hot water The remaining water of pipeline is about 2 liters.With summer averagely bathing for each person every day 1 time, everyone bathing in 3 days of winter 1 time, washing one's hands etc. 6 times is Example, then everyone can economize on water about 2.64 tons for 1 year.
Gas heater is mainly interior conduit, by taking the average 7 meters interior conduit length of gas heater as an example, is detained The remaining water of hot water pipeline is about 4 liters of about 2 liters of cold water flowed out plus the gas heater heat time.Being averaged with summer, everyone is every Its bathing 1 time, everyone bathing in 3 days of winter 1 time, exemplified by washing one's hands etc. 6 times, then everyone can economize on water about 7.92 tons for 1 year.
Solar water heater is mainly outdoor pipeline plus interior conduit, with the average 10 meters outdoor pipe of solar water heater Exemplified by the interior conduit length on 4 meters of road, the remaining water for being detained hot water pipeline is about 9 liters.With summer averagely bathing for each person every day 1 time, Everyone bathing in 3 days of winter 1 time, exemplified by washing one's hands etc. 6 times, then everyone can economize on water about 11.88 tons for 1 year.
By taking a family three-person household as an example:The electric heater whole family can economize on water about 7.92 tons for 1 year;The gas heater whole family 1 year It can economize on water about 23.76 tons;The solar water heater whole family can economize on water about 35.64 tons for 1 year.If being caused with 100,000,000 people using water heater Exemplified by water resource waste, then the annual water resource waste amount therefore caused is up to 6.63 hundred million tons of water resources;And according to South China water north Official website statistics is adjusted, in November, 2016, Beijing called the annual plan index of Middle Line Project For Transferring Water From South To North water to be in October, 2017 9.11 hundred million tons of water.Therefore, effective popularization of the present apparatus, will have obvious energy-saving benefit.
2nd, Economic and Efficiency Analysis:
According to the 1.96 yuan/m in Wuhan City3Use water Price Estimate
Electric heater everyone about 2.64m that can economize on water for 1 year using the present apparatus3, average Spring Festival holidays province water rate 2.64 × 1.96 =5.17 yuan;
Gas heater everyone about 7.92m that can economize on water for 1 year using the present apparatus3, it is average can save within 1 year water rate 7.92 × 1.96=15.29 it is first;
Solar water heater everyone about 11.88m that can economize on water for 1 year using the present apparatus3, it is average to save water rate within 1 year 11.88 × 1.96=23.28 is first.
If promoting the present invention in Wuhan City, calculated according to the existing family family of inhabitant 27.5 ten thousand of Wuhan City, whole city's Spring Festival holidays About water rate is about 1489.32 ten thousand yuan, it is seen that its remarkable in economical benefits.
Application prospect:
The present invention meets newly as one kind《Water Law of the People's Republic of China》" the water-saving domestic water utensil " mentioned, It is small volume, moderate cost, easy to operate, and while water heater is ensured without wasting, do not change urbanite water consumption custom, It can be widely used in as a kind of novel intelligent home in average family, in aiding in out aquatic products to be compared with similar water heater, Occupy greater advantage.
In addition, the Seriation Design of the independence feature and different size on the apparatus structure, can be applied to each Different types of water heater is planted, is expected to as New-type water heater water outlet module, the development for water heater industry provides energy-conserving and environment-protective New approaches.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to Above-described embodiment, can also there is many deformations.All technical spirits according to the present invention are to made for any of the above embodiments any simple Modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.

Claims (10)

1. a kind of water saving and temperature-fixing water outlet based on water heater, it is characterised in that:Including water tank (1) and controller (2), institute State to be provided with water tank (1) on temperature sensor (3) and level sensor (4), the water tank (1) and be connected with input pipe (5), output Manage (6) and air hose (7), the controller (2) is arranged on water tank (1) surface, the controller (2) including display screen (2.1), Lower water temperature button (2.2), described input pipe (5) one end is connected with triple valve (8), and the efferent duct (6) is provided with outlet valve (6.1), the triple valve (8) connects cold water inlet pipe (9) and hot water input pipe (10), the port of the air hose (7) respectively Provided with electromagnetic air valve (11);
The lower water temperature button (2.2), temperature sensor (3) and level sensor (4) connect with the input of controller (2) respectively Logical, the output end of the controller (2) is connected with outlet valve (6.1), triple valve (8) and electromagnetic air valve (11).
2. water saving and temperature-fixing water outlet according to claim 1 based on water heater, it is characterised in that:The controller (2) single-chip microcomputer (2a) is included, the input of the single-chip microcomputer (2a) includes water temperature detection unit (2b), water level sensing unit (2c) With temperature setting unit (2d), the output end of the single-chip microcomputer (2a) includes relay module (2e) and intelligent water mixing module (2f), the water temperature detection unit (2b) connects with temperature sensor (3), the water level sensing unit (2c) and level sensor (4) connect, the temperature setting unit (2d) connects with lower water temperature button (2.2), the relay module (2e) is empty with electromagnetism Air valve (11) is connected, and the intelligent water mixing module (2f) connects with outlet valve (6.1) and triple valve (8) respectively.
3. water saving based on water heater and temperature-fixing water outlet according to any one in claim 1~2, its feature exist In:It is additionally provided with booster pump (12) on the efferent duct (6), the relay module (2e) is respectively with electromagnetic air valve (11) and increasing Press pump (12) is connected.
4. a kind of control method of water saving and temperature-fixing water outlet based on water heater, it is characterised in that:
Comprise the following steps:
Step 1:Pre-mix stage:
Water in controller (2) control cold water inlet pipe (9) and hot water input pipe (10) is premixed into water tank (1), is controlled Device (2) control triple valve (8) is closed and points out user to open outlet valve (6.1), and pre-mix stage terminates, into step 2;
Step 2:Water outlet stage:
Water outlet stage is different according to use state, is divided into a large amount of water-use models of single and repeatedly a small amount of water-use model.
5. the control method of a kind of water saving and temperature-fixing water outlet based on water heater according to claim 4, its feature It is:The step 1 comprises the following steps:
Step 1.1:User passes through lower water temperature button (2.2) design temperature gear T on demand;
Step 1.2:Single-chip microcomputer (2a) control relay module (2e) opens electromagnetic air valve (11), while controlling intelligent water mixing mould Block (2f), which opens triple valve (8), makes hot water input pipe (10) standard-sized sheet;
Step 1.3:As t < T, the cold water of the interior delay of hot water input pipe (10) and the hot water in hot water input pipe (10) are first laggard Enter water tank (1) to be premixed, until water temperature t reaches T;As t > T, single-chip microcomputer (2a) control intelligent water mixing module (2f) is opened Triple valve (8) closes cold water inlet pipe (9) standard-sized sheet, hot water input pipe (10), until water temperature t reaches T;
Step 1.4:Single-chip microcomputer (2a) control intelligent water mixing module (2f) closes triple valve (8) and opens water valve (6.1), and by aobvious Display screen (2.1) prompting user's outlet valve (6.1) is opened.
6. the control method of a kind of water saving and temperature-fixing water outlet based on water heater according to claim 4, its feature It is:The a large amount of water-use models of single comprise the following steps in the step 2:
Step 2.1a:Water tank (1) interior water liquid level reach waterline before, water level constantly declines, single-chip microcomputer (2a) control after Electrical appliance module (2e) opens booster pump (12);
Step 2.2a:When the liquid level of water tank (1) interior water reaches waterline, single-chip microcomputer (2a) control relay module (2e) is closed Electromagnetic air valve (11) and booster pump (12);
Step 2.3a:Single-chip microcomputer (2a), single-chip microcomputer (2a) control intelligent water mixing module are inputted by water temperature detection unit (2b) (2f) coordinates, and realizes constant temperature water outlet.
7. the control method of water saving and temperature-fixing water outlet according to claim 4 based on water heater, it is characterised in that: Repeatedly a small amount of water-use model comprises the following steps in the step 2:
Step 2.1b:Water tank (1) interior water liquid level reach waterline before, water level constantly declines, single-chip microcomputer (2a) control after Electrical appliance module (2e) opens booster pump (12);
Step 2.2b:Because water consumption is few, before liquid level reaches waterline, terminated with water, water level stops change, system enters Endless loop, waits water next time;
Step 2.3b:Repeatedly a small amount of long with water time span, water temperature drop in case when with t < T, is pointed out to reset temperature T, entered Enter step 1.
8. the controlling party of the water saving based on water heater and temperature-fixing water outlet according to any one in claim 4~7 Method, it is characterised in that:The a large amount of water-use models of single described in the step 2 is automatic switchover with repeatedly a small amount of water-use model.
9. water saving and temperature-fixing water outlet according to claim 3 based on water heater, it is characterised in that:The temperature is passed Sensor (3) is arranged on water tank (1) bottom, and the input pipe (5), efferent duct (6) are also disposed at water tank (1) bottom, the air Pipe (7) is arranged at the top of water tank (1).
10. water saving and temperature-fixing water outlet according to claim 9 based on water heater, it is characterised in that:The water level Sensor (4) is ultrasonic range finder sensor, and the level sensor (4) is arranged on tank top.
CN201710496585.4A 2017-06-26 2017-06-26 A kind of water saving and temperature-fixing water outlet and control method based on water heater Pending CN107192136A (en)

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Application publication date: 20170922