CN105805955A - Intelligent solar water heater - Google Patents
Intelligent solar water heater Download PDFInfo
- Publication number
- CN105805955A CN105805955A CN201610015787.8A CN201610015787A CN105805955A CN 105805955 A CN105805955 A CN 105805955A CN 201610015787 A CN201610015787 A CN 201610015787A CN 105805955 A CN105805955 A CN 105805955A
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- Prior art keywords
- water
- solar water
- solar
- water heater
- pipeline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/60—Arrangements for draining the working fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to the field of solar water heaters and particularly relates to an intelligent solar water heater. The water heater is formed by connection of a solar water tank, an intelligent constant-temperature water discharging tank, a water storage tank, a water conveying pipeline, an electromagnetic valve and a water pump, wherein a single-chip microcontroller is used for controlling all modules to work orderly. When a user stops using water, a water pipe is emptied, so that the freezing problem is solved; meanwhile, the water in the water pipe is stored for later use; the user can set the own desired temperature according the own situation, so that the constant-temperature water discharging function is achieved; when the water level in the solar water tank is low, an alarm can automatically give alarm; through a pipeline anti-freezing and water-saving device of the intelligent solar water heater, the problems of the solar water heater in use can be economically and conveniently solved; the user can conveniently and safely use the solar water heater at any time.
Description
Technical field
The present invention relates to solar water heater field, particularly relate to a kind of intelligent solar water heater.
Background technology
It is known that solar energy is green novel energy source pollution-free, reproducible, solar water heater because of its environmental protection, economy, safety, long service life advantage, very popular, become a nova of water heater industry, become the first-selected product of current water heater industry, come into huge numbers of families.Urban household is close to universal, Rural Families also more and more obtains use.Through carrying out many inquiries research it appeared that: at present, the consumption that makes of solar water heater is very huge in China, and China has become as the country that global solar water heater makes consumption maximum.Therefore, solar water heater aqueduct is antifreeze boundless huge with the user market of Water-saving intelligent device.
But, the temperature in four seasons of China changes greatly, so solar water heater output water temperature in actual use is very unstable, especially north of china in winter severe cold, pipeline easily freezes, and the lighter can not normally water delivery, severe one piping failure, has had a strong impact on the people's normal use in Working Life.A lot of users adopt the method dripped at a slow speed antifreeze, and the every day that also has many consumers all by the surplus water emptying in solar water heater, can reinject the suitable water yield in second day, so causes very burden and very big water resource waste to user.Along with the development of society, water, electric price go up day by day so that the use of solar water heater has brought huge burden.In cold winter, owing to having no idea to solve frozen problem, so a lot of family just abandons practical solar water heater in the winter time.China is populous nation, but a lot of energy are all non-renewable, solar energy is the new source of free of contamination renewable energy, therefore solar water heater has wide market prospect, at present but without other economic methods easily except wrapping antifreeze ribbon heater, thus the use of solar water heater there is very big restriction
Summary of the invention
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of intelligent solar water heater, it is characterised in that including:
Pipeline, in order to carry water；
Solar water container, in order to store water；
Solar energy heat collection pipe, is connected with described solar water container, in order to gather the water stored in solar water container described in solar energy heating；
Water-storing tank, is connected with described solar water container by described pipeline；
Constant-temperature effluent water tank, is connected with described solar water container by described pipeline；
Water pump, is connected with described water-storing tank and described constant-temperature effluent water tank respectively by described pipeline；
Some electromagnetic valves, are arranged on described pipeline；
Single-chip microcomputer, is connected with described electromagnetic valve, goes out water state by controlling solar water container described in the on-off control of described electromagnetic valve；
Wherein, described water pump is connected with described solar water container by described pipeline, to supply water to described solar water container.
Above-mentioned intelligent solar water heater, it is characterised in that described intelligent solar water heater also includes:
Reducer tee piece, is arranged on the pipeline that described water pump is connected with described solar water container, and described water-storing tank is connected with described reducer tee piece；
Faucet, is connected with described solar water container, described water pump and described constant-temperature effluent water tank respectively by described pipeline.
Above-mentioned intelligent solar water heater, it is characterised in that described electromagnetic valve is two-position two-way solenoid valve and two-position three way magnetic valve.
Above-mentioned intelligent solar water heater, it is characterised in that described two-position two-way solenoid valve is 4, described two-position three way magnetic valve is 1.
Above-mentioned intelligent solar water heater, it is characterised in that described two-position three way magnetic valve is arranged on described solar water container water side.
Above-mentioned intelligent solar water heater, it is characterised in that be additionally provided with ultrasonic wave module and temperature sensor in described constant-temperature effluent water tank, and described ultrasonic wave module and described temperature sensor are all connected with described single-chip microcomputer.
Above-mentioned intelligent solar water heater, it is characterised in that described intelligent solar water heater also includes:
Bath head, is connected with described constant-temperature effluent water tank；
Heater, is arranged in described constant-temperature effluent water tank, and is connected with described temperature sensor and described single-chip microcomputer respectively.
Have employed the solution have the advantages that of technique scheme: this water heater is gone out by solar water container, intelligent constant-temperature that water tank, water-storing tank, aqueduct, electromagnetic valve, water pump etc. are connected to be formed, and worked in order by each module of Single-chip Controlling, make present problems obtain intelligentized solution, but also achieve the function of solar water heater constant-temperature effluent and water saving.
The antifreeze switch with water saving fixtures by Single-chip Controlling electromagnetic valve of intelligent solar Water heater pipeline, when user stops using water, water pipe emptying is solved frozen problem, water in water pipe is stored utilization next time simultaneously, user can arrange, according to the situation of oneself, the temperature oneself wanted and achieve the function of constant-temperature effluent, when the water level in solar water container is on the low side, alarm will send alarm automatically, so intelligent solar Water heater pipeline is antifreeze solves the problem that solar water heater in use runs into easily with water saving fixtures economy, user can be made conveniently at any time to benefit from solar water heater relievedly.
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, the present invention and feature, profile and advantage will become more apparent.The part that labelling instruction identical in whole accompanying drawings is identical.Can not be drawn to scale accompanying drawing, it is preferred that emphasis is the purport of the present invention is shown.
Fig. 1 is present configuration schematic diagram；
Fig. 2 is water level detection circuit schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but not as limiting to the invention.
The application devises that intelligent solar Water heater pipeline is antifreeze and water saving fixtures, this device is significant to solving solar water heater in use produced problem, this device is gone out by solar water container, intelligent constant-temperature that water tank, storage tank, aqueduct, electromagnetic valve, water pump etc. are connected to be formed, and worked in order by each module of Single-chip Controlling, make the problems referred to above obtain intelligentized solution, but also achieve the function of solar water heater constant-temperature effluent and water saving.
The antifreeze switch with water saving fixtures by Single-chip Controlling electromagnetic valve of intelligent solar Water heater pipeline, when user stops using water, water pipe emptying is solved frozen problem, water in water pipe is stored utilization next time simultaneously, user can arrange, according to the situation of oneself, the temperature oneself wanted and achieve the function of constant-temperature effluent, when the water level in solar water container is on the low side, alarm will send alarm automatically, so intelligent solar Water heater pipeline is antifreeze solves the problem that solar water heater in use runs into easily with water saving fixtures economy, user can be made conveniently at any time to benefit from solar water heater relievedly.
As it is shown in figure 1, concrete, the two-position three way magnetic valve below solar water container is that twin coil controls, and energising later valve can be opened, and another valve then can be closed, and after energising, power supply can immediately close off, and valve so can be made to be in a state for a long time.
When the water yield reaches designated water level lower limit, alarm is warned, and after warning 30 seconds, single-chip microcomputer can control two-position two-way solenoid valve 1, two-position three way magnetic valve and pump working, and valve is opened, and due to the existence of hydraulic pressure, tap water can flow into solar water container along pipeline.
When reaching the water level upper limit, Level monitor can give one signal of single-chip microcomputer, single-chip microcomputer can send cut out two-position two-way solenoid valve 1 automatically, the instruction of two-position three way magnetic valve and water pump, the two-position two-way solenoid valve 2 of water-storing tank water inlet end can be opened simultaneously, so due to the self gravitation effect of water, water in pipeline can automatically flow in storage tank and store, use when domestic water or when adding water in solar energy, owing to being reducer tee piece below water-storing tank, be we can see that its pressure of place that fluid velocity is bigger is relatively just little by bernoulli principle, so water-storing tank in store water can pass through check valve again with.
Constant-temperature effluent water tank is installed DS18B20 temperature sensor, temperature sensor can continuous collecting temperature, and in display screen show, according to set temperature, single-chip microcomputer can control two-position two-way solenoid valve 3 and two-position two-way solenoid valve 4 carrys out automatic water-mixing, thus realizing the effluent functions of constant temperature.Constant-temperature effluent water tank is installed ultrasonic wave module HC-SR04 and carrys out SEA LEVEL VARIATION in perception water tank, and under Single-chip Controlling, reach automatic water-mixing and stop the purpose of mixed water.
Solar water heater actually used in, owing to the use hydraulic pressure of tap water is higher, so without using water pump to pressurize when giving solar water heater water filling, only needing Single-chip Controlling electromagnetic valve to open in the water tank that valve water just can directly will be delivered to solar water heater.And in this application, user's hydraulic pressure of partial high-level is likely to not, water can only be made to overcome gravity to deliver water in water tank with water pump pressurization.In the process of upper water, Single-chip Controlling water pump is operated, and then controls corresponding electromagnetic valve work again, and electromagnetic valve is become conducting state from closed mode, and such tap water just can in the solar water container that the flows by action of hydraulic pressure enters above, it is achieved automatic water-storage.
When the water level in solar water container reaches the height preset, ultrasonic wave module HC-SR04 can give one signal of single-chip microcomputer, the valve closing of the corresponding electromagnetic valve of Single-chip Controlling, then control water pump to quit work, control corresponding solenoid valve conduction simultaneously, now the water in pipeline can automatically flow into water-storing tank under gravity, reaches the purpose of tube emptying.
Install a water check valve at the sewer pipe place of water-storing tank, the water flowed out in such pipeline can only enter following water-storing tank, and when opening check valve, water can along pipeline to dirty.Water-storing tank pipeline under is very thin, and from bernoulli principle: in current or air-flow, if speed is little, pressure is just big, if speed is big, pressure is just little.It follows that when we open faucet time, water can flow out along pipeline, the water of outflow can work as domestic water use, enable the water resource stored to reuse, this design can antifreeze again can saving water resource.
When bathing time, the bath head being connected with constant-temperature effluent water tank discharges water, water in pipeline is drained, and the valve in two-position three way magnetic valve adapter road is to close, so single-chip microcomputer can control two-position three way magnetic valve UNICOM, the valve that simultaneously can control two-position two-way solenoid valve 3 and two-position two-way solenoid valve 4 is opened, such cold water and hot water can according to the mixed water of the temperature set, so namely the water flowed out when opening shower switch be can the warm water of direct shower.After scrubbing, by the valve closing by key control two-position two-way solenoid valve 3 and two-position two-way solenoid valve 4, two-position three way magnetic valve can be closed simultaneously, and two-position two-way solenoid valve 2 also can be opened, and the water in such pipeline can flow into water-storing tank due to action of gravity.This design can not only be antifreeze, it is also possible to saves substantial amounts of water resource.
In the process of bathing, water in constant-temperature effluent water tank can be continually changing, when water level is higher than certain value set in water tank, ultrasonic wave module HC-SR04 will detect that and to one signal of single-chip microcomputer, single-chip microcomputer can control the water valve of two-position two-way solenoid valve 3 and two-position two-way solenoid valve 4 at once and cut out, and stops mixed water, on the contrary, when lower than certain water level, may proceed to mixed water, so make water tank always have the warm water that constant temperature is constant to use.
The master control core of the design principle of constant-temperature effluent part is the STC89C52RC single-chip microcomputer of low-power consumption, with the temperature of constant-temperature effluent in its master control thermostat and flow, and adopt solar energy generation technology, the whole electric power used by solar energy are made both to be from solar electrical energy generation, so can so that system saves a part of power resource.
Intelligent solar Water heater pipeline is antifreeze uses DS18B20 as temperature sensor with water saving fixtures, DS18B20 is the digital temperature sensor that we commonly use, it has the advantages that the little precision of volume is high, it is convenient in wiring, senser element and the signal conversion circuit of temperature sensor are well encapsulated, and define an integrated circuit as audion and are therefore applicable under multiple environment.So we select DS18B20 temperature sensor to carry out the collection of temperature, then the temperature signal of collection is digitally converted and in LCD12864 liquid crystal display screen display.
Realize the circuit of temperature acquisition and display, it is necessary to digital temperature sensor DS18B20 collecting temperature information, use single-chip microcomputer to carry out signal conversion on display circuit, show the temperature measured.Can be seen that the use of DS18B20 is very convenient with reference to pertinent literature, it is adapted to numerous environment, and the measurement error of digital temperature sensor DS18B20 is only small and has the unique way of one-wire interface, so can realize a line mouth duplex and save the interface of single-chip microcomputer.
Present design system can be shown formed by master controller (STC89C52RC), display circuit, temperature measuring device (DS18B20), the motor that draws water, two-position three way magnetic valve, two-position two-way solenoid valve, adjustment ball valve, sound and light alarm, button, water level
The antifreeze temperature sensor DS18B20 with water saving fixtures of intelligent solar Water heater pipeline adopts single-point temperature measurement circuit.During design circuit, I/O interface line need not force upper pull-up voltage, owing to DS18B20 sensor is that one-wire interface mode transmits data, so can form the temperature measurement circuit system of multiple spot during design circuit.But it is to be noted that provide the GND interface of temperature sensor DS18B20 under the mode of voltage necessary grounding design in outside, the temperature otherwise recorded is quite inaccurate.
Temperature sensor DS18B20 is digital sensor, collecting temperature data that can be very intelligent, and the respective handling of data is carried out according to the internal agreement of temperature sensor DS18B20 oneself, the temperature of conversion is sent to single-chip microcomputer with serial ports with the form of one-wire interface by the information after process, carry out corresponding data process in the inside of single-chip microcomputer, the temperature data after processing is shown by LCD12864 LCDs.It is in certain stationary temperature scope when temperature exceedes the water ensured in thermostatic water tank of starting working of corresponding electromagnetic valve when user oneself arranges certain value.
As in figure 2 it is shown, the antifreeze water level detecting using ultrasound mode block HC-SR04 with water saving fixtures of intelligent solar Water heater pipeline, performance during its work is very good, the very little measurement being well suited for water level of the error of measurement.Ultrasonic wave module HC-SR04 interface TRIG is the P17 that signal input part connects single-chip processor i/o interface, and interface ECHO is the P33 that signal output part connects single-chip processor i/o interface.Its operation principle is also very simple: to one high level signal of TRIG port of module, this module will send the square wave of 8 40khz automatically, once the ECHO port that module detects signal return module will export a high level, high level duration be exactly signal from being transmitted into the time that return uses, measuring distance=(the high level time * velocity of sound (340M/S))/2.
Intelligent solar Water heater pipeline is antifreeze adopts stand alone type button design with water saving fixtures, and each Independent keys to take an I/O interface of single-chip microcomputer, mostly adopts query formulation structure.
Intelligent solar Water heater pipeline is antifreeze adopts LCD12864 LCDs with water saving fixtures: why adopt LCDs (LCD), the advantage being because it is a lot, shockproof characteristic is fine, and power dissipation ratio is relatively low, picture display effect is very good, the features such as its resolution ratio is higher, and capacity of resisting disturbance is relatively strong, call convenient and simple.In sum: due to containing much information of display, so adopting LCD12864 LCDs as display module.
Intelligent solar Water heater pipeline is antifreeze adopts buzzer warning design with water saving fixtures, and alarm is simple, conveniently can save again cost to utilize buzzer to do, and is best design.
Wherein, in this application, constant-temperature effluent water tank is additionally provided with heater, when bathing time, time in constant-temperature effluent water tank, residual water is more, next time again bathing time can cold fall, so needs one heater it is carried out heated at constant temperature, this heater is connected with single-chip microcomputer and temperature sensor, by being electrically connected to each other work.
In view of solar water heater in use produced problem, the intelligent solar water heater of the application design, this intelligent solar water heater is reequiped by domestic solar water heater, by solar water container, water-storing tank, aqueduct, some electromagnetic valves, water pumps etc. are connected to be formed, and uses single-chip microcomputer as controlling system, has reached intended result of use.
Simultaneously, output water temperature less stable due to solar water heater, therefore the process of water temperature debugging causes substantial amounts of water resource waste, so this device adds constant-temperature effluent water tank, achieve the function of constant-temperature effluent, and output water temperature degree is adjustable, so can saving water resource significantly.
Solar energy is the following new forms of energy that application prospect is boundless, market potential is huge, therefore intelligent solar Water heater pipeline is antifreeze not only contributes to promote the development of the new clean energy resource industry of China with water saving fixtures, and has catered to the new concept low-carbon (LC) life of current social development.
Intelligent solar Water heater pipeline is antifreeze passes through the devices such as Single-chip Controlling electromagnetic valve with water saving fixtures, water pipe emptying not only solves frozen problem, and the water in water pipe can store utilization next time, saving water resource.It also has constant-temperature effluent function, auto-alarm function.These works economy solves anti-freezing water-saving problem easily.Application technology level is high, has great promotional value and DEVELOPMENT PROSPECT.
Above presently preferred embodiments of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned particular implementation, the equipment and the structure that are not wherein described in detail to the greatest extent are construed as and are practiced with the common mode in this area；Any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the method for the disclosure above and technology contents and technical solution of the present invention is made many possible variations and modification, or it being revised as the Equivalent embodiments of equivalent variations, this has no effect on the flesh and blood of the present invention.Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection.
Claims (7)
1. an intelligent solar water heater, it is characterised in that including:
Pipeline, in order to carry water；
Solar water container, in order to store water；
Solar energy heat collection pipe, is connected with described solar water container, in order to gather the water stored in solar water container described in solar energy heating；
Water-storing tank, is connected with described solar water container by described pipeline；
Constant-temperature effluent water tank, is connected with described solar water container by described pipeline；
Water pump, is connected with described water-storing tank and described constant-temperature effluent water tank respectively by described pipeline；
Some electromagnetic valves, are arranged on described pipeline；
Single-chip microcomputer, is connected with described electromagnetic valve, goes out water state by controlling solar water container described in the on-off control of described electromagnetic valve；
Wherein, described water pump is connected with described solar water container by described pipeline.
2. intelligent solar water heater according to claim 1, it is characterised in that described intelligent solar water heater also includes:
Reducer tee piece, is arranged on the pipeline that described water pump is connected with described solar water container, and described water-storing tank is connected with described reducer tee piece；
Faucet, is connected with described solar water container, described water pump and described constant-temperature effluent water tank respectively by described pipeline.
3. intelligent solar water heater according to claim 1, it is characterised in that described electromagnetic valve is two-position two-way solenoid valve and two-position three way magnetic valve.
4. intelligent solar water heater according to claim 3, it is characterised in that described two-position two-way solenoid valve is 4, described two-position three way magnetic valve is 1.
5. intelligent solar water heater according to claim 4, it is characterised in that described two-position three way magnetic valve is arranged on described solar water container water side.
6. intelligent solar water heater according to claim 1, it is characterised in that be additionally provided with ultrasonic wave module and temperature sensor in described constant-temperature effluent water tank, and described ultrasonic wave module and described temperature sensor are all connected with described single-chip microcomputer.
7. intelligent solar water heater according to claim 6, it is characterised in that described intelligent solar water heater also includes:
Bath head, is connected with described constant-temperature effluent water tank；
Heater, is arranged in described constant-temperature effluent water tank, and is connected with described temperature sensor and described single-chip microcomputer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015787.8A CN105805955A (en) | 2016-01-12 | 2016-01-12 | Intelligent solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015787.8A CN105805955A (en) | 2016-01-12 | 2016-01-12 | Intelligent solar water heater |
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| CN105805955A true CN105805955A (en) | 2016-07-27 |
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| CN201610015787.8A Pending CN105805955A (en) | 2016-01-12 | 2016-01-12 | Intelligent solar water heater |
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| CN101059282A (en) * | 2006-04-21 | 2007-10-24 | 张发旺 | Anti-freezing and instant hot water-supply device for solar energy water heater pipeline |
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| JP2007327670A (en) * | 2006-06-06 | 2007-12-20 | Daiwa House Ind Co Ltd | Water circulation type solar hot water supply system comprising antifreezing function |
| CN202442529U (en) * | 2011-12-30 | 2012-09-19 | 滨州学院 | Solar pipeline antifreezing and water-saving device |
| CN203464511U (en) * | 2013-07-26 | 2014-03-05 | 滨州学院 | Water-saving anti-freezing intelligent solar water heater |
| CN204830535U (en) * | 2015-08-13 | 2015-12-02 | 师海满 | Solar water heater antifreezing measures of economizing on water |
| CN205641575U (en) * | 2016-01-12 | 2016-10-12 | 滨州学院 | Intelligent solar water heater |
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2016
- 2016-01-12 CN CN201610015787.8A patent/CN105805955A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059282A (en) * | 2006-04-21 | 2007-10-24 | 张发旺 | Anti-freezing and instant hot water-supply device for solar energy water heater pipeline |
| JP2007327670A (en) * | 2006-06-06 | 2007-12-20 | Daiwa House Ind Co Ltd | Water circulation type solar hot water supply system comprising antifreezing function |
| CN101074788A (en) * | 2007-06-13 | 2007-11-21 | 江苏光芒厨卫太阳能科技有限公司 | Intelligent exhaust water takeout device for solar water heater |
| CN202442529U (en) * | 2011-12-30 | 2012-09-19 | 滨州学院 | Solar pipeline antifreezing and water-saving device |
| CN203464511U (en) * | 2013-07-26 | 2014-03-05 | 滨州学院 | Water-saving anti-freezing intelligent solar water heater |
| CN204830535U (en) * | 2015-08-13 | 2015-12-02 | 师海满 | Solar water heater antifreezing measures of economizing on water |
| CN205641575U (en) * | 2016-01-12 | 2016-10-12 | 滨州学院 | Intelligent solar water heater |
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Application publication date: 20160727 |
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| WD01 | Invention patent application deemed withdrawn after publication |