CN102692080A - New type solar water heater with electric heating function and electric heating control method - Google Patents

New type solar water heater with electric heating function and electric heating control method Download PDF

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Publication number
CN102692080A
CN102692080A CN2012101545590A CN201210154559A CN102692080A CN 102692080 A CN102692080 A CN 102692080A CN 2012101545590 A CN2012101545590 A CN 2012101545590A CN 201210154559 A CN201210154559 A CN 201210154559A CN 102692080 A CN102692080 A CN 102692080A
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CN
China
Prior art keywords
water
water tank
temperature
little
solar
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Application number
CN2012101545590A
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Chinese (zh)
Inventor
潘永良
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潘永良
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Priority to CN2012101545590A priority Critical patent/CN102692080A/en
Publication of CN102692080A publication Critical patent/CN102692080A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The invention provides a solar water heater with electric heating function, including a controller, a sensor, a water storage tank, solar thermal collecting tubes and an electric heating element. The water storage tank has a big water tank and a small water tank, which are connected with the solar thermal collecting tubes. The electric heating element and the sensor are arranged in the small water tank. The sensor has a temperature detection point and a plurality of water level detection points. The sensor having connected to the controller is used to transfer signals. The controller controls to turn on and turn off the electric heating element. The invention further provides an electric heating control method based on the solar water heater. The solar energy is used to heat the water and the electric energy is used as a supplement to the solar energy, the reasonable water tank structure is used and the control system is optimized, thereby saving the electric energy and completely using the solar energy, thus the maximum energy saving can be achieved on the basis of guaranteeing 24-hour heat-water supply. An actual detection shows that compared with a traditional solar water heater with the electric heating function, more than 70% power is saved by using the solar water heater.

Description

The solar water heater of novel charged heating function and electric heating controlling method
Technical field
The present invention relates to solar water heater, relate in particular to the solar water heater and the electric heating controlling method of charged heating function.
Background technology
At present, the solar water heater of charged heating function is widely used.The purpose that solar water heater is provided with electric heating function is not have sunlight or sunlight is not enough and solar water heater that cause is difficult to produce enough hot water and the problem that influences use in order to solve.As everyone knows, solar water heater is in order to utilize solar energy as much as possible, and the volume of its storage tank is bigger, generally is the several times of common electrical water heater compact water storage tank.
The solar water heater of present charged heating function; The heat exchange space of its electrical heating space and solar energy heat collection pipe coincides together fully; When not having sunlight or sunlight not enough, whole storage tank hundreds of premium on currency all is heated to the temperature that is suitable for having a bath by electrical heating together, and it is very long not only to heat required time; And actual the use only need sub-fraction hot water sometimes, and waste of energy is very serious.Original idea against the solar water heater energy savings.
Summary of the invention
Technical problem to be solved by this invention provides a kind of solar water heater of novel charged heating function; It had both kept solar water heater characteristics capacious; Simultaneously can significantly reduce power consumption again, and optimize the method that provides for the electrical heating control of solar water heater.For this reason, the present invention adopts following technical scheme: it comprises storage tank, solar energy heat collection pipe and the electrical heating elements of controller, water-level and water-temperature sensor, band heat-insulation layer; Be divided into large water tank and little water tank about said storage tank quilt, large water tank and little water tank all are connected with solar energy heat collection pipe, and said large water tank and little water tank are connected in the upper end; The water inlet of said storage tank is arranged on the lower end of large water tank, and said storage tank hot water outlet is located at the middle part of little water tank, and said electrical heating elements is set in the little water tank; Said water-temperature water-level sensor is arranged in the little water tank; Said water-temperature water-level sensor is provided with a temperature sensing point, and the position of temperature sensing point is lower than said hot water outlet, and said water-temperature water-level sensor is provided with a plurality of water-level detecting points along the height of little water tank; Water-temperature water-level sensor in the said little water tank is connected with controller; To transmit signal, said electrical heating elements is connected with controller, so that controller is controlled the startup of electrical heating elements and closed down.
On the basis of adopting above technical scheme, the present invention also can adopt following further technical scheme:
Said little water tank is provided with the hot water outlet pipe, and said hot water outlet pipe is erected at and is fixed on little water tank bottom in the little water tank, perhaps fixedly draws said hot water outlet pipe from the side at little water tank middle part, and required hot water is drawn from little water tank.
Be divided into large water tank and little water tank about the dividing plate that said storage tank is vertically set up, open an aperture at the dividing plate top large water tank and little water tank are communicated with.Perhaps, large water tank and little water tank respectively by two independently inner bag constitute, be communicated with communicating pipe at the top between them.
The volume of said little water tank is equivalent to the volume of a common electrical water heater about 50 to 80 liters, and the volume of the little water tank of volumetric ratio of large water tank is a lot of greatly.
Said solar water heater also is provided with entering water electromagnetic valve on inlet pipeline, said entering water electromagnetic valve is connected with controller, receives said controller control and switch.
Another technical problem to be solved of the present invention provides a kind of electric heating controlling method based on above-mentioned solar water heater.For this reason, the present invention adopts following technical scheme:
Said solar water heater is provided with second temperature sensor in large water tank, said second temperature sensor is connected with controller, and to transmit signal, the temperature sensing point of said second temperature sensor is a little more than water inlet; Said solar water heater is set with second temperature threshold for the second TEMP actuator temperature sensing point temperature detected;
Said solar water heater also is provided with time value;
Said solar water heater is set with the first lowest temperature threshold value and the first temperature upper limit threshold value for the first TEMP actuator temperature sensing point temperature detected;
When said time value; As the second TEMP actuator temperature sensing point temperature detected greater than or more than or equal to second temperature threshold; As long as the water temperature of little water tank is not less than the first lowest temperature threshold value; Then be in before the time value of electrical heating elements to next day and stop heated condition, said be lower than for less than or smaller or equal to;
When the first TEMP actuator temperature sensing point temperature detected is lower than the first lowest temperature threshold value, then controller control electrical heating elements be in heated condition until the first TEMP actuator temperature sensing point temperature detected greater than or more than or equal to the first temperature upper limit threshold value.
Further, when the first TEMP actuator temperature sensing point temperature detected greater than or during more than or equal to the first temperature upper limit threshold value, then electrical heating elements is in and stops heated condition.
Further, said solar water heater also is provided with entering water electromagnetic valve, and said entering water electromagnetic valve is connected with controller, receives said controller control and switch; Said solar water heater is set with little cistern water level threshold value, and said watermark threshold is greater than said delivery port height; When little cistern water level during greater than watermark threshold, controller is controlled said entering water electromagnetic valve and is in closed condition, and when little cistern water level during smaller or equal to watermark threshold, controller is controlled said entering water electromagnetic valve and is in open mode.
Because adopt technical scheme of the present invention, the present invention is being isolated into storage tank on the basis of large water tank and little water tank, make the heat exchange zone of electrical heating zone and solar energy heat collection pipe work in coordination, complement each other.When the sun was sufficient in one day; When the temperature of (such as point in afternoons 4) large water tank before setting-up time point has reached enough height (like 50 degree); The electric heating function of little water tank does not start; Also can close electric heating function, let large water tank and little water tank fully absorb solar energy heat production water through controller to little water tank.In the time of with hot water, little water tank spends a part of hot water (about 25%), and controller is just opened magnetic valve and advanced a part of cold water, heads into little water tank to the hot water of large water tank, on one side water, water inlet on one side can be until using up hot water; When not having the sun or solar energy not enough when one day, start electric heating function, make little water tank remain on the temperature of a setting, both guaranteed to have a bath, avoided heating again big capacity tank cold water as electric heater to little water tank through controller.Be more cleverly: because the hot water outlet of little water tank is located at the middle part of little water tank height; The people who makes the front have a bath can not have been put the hot water of little water tank; After mending cold water; Can continue releasing on the top of the hot water below the middle part, moreover mend hot water or the warm water that to be crossed by solar energy heating into the water of little water tank from large water tank; Moreover, the water on one side, on one side during moisturizing, when in a single day water temperature dropped to the lowest temperature that is lower than setting in the little water tank, controller started electrical heating immediately, made the temperature of little water tank return to the temperature upper limit of setting at short notice rapidly.Prove that through repetition test as long as set suitable electrical heating temperature upper limit and lowest temperature, system just can guarantee heat supply water continually.The number of having a bath is different with hot water demand's amount, as long as change this two temperature is set.Concerning whole system, solar energy heating is main, and it is auxilliary that electrical heating replenishes; Adopt rational cisten mechanism; Optimal control through the control system further saves energy, make full use of solar energy, guaranteeing to realize energy-conservation to greatest extent on the basis of 24 hours round-the-clock heat supply water.Through actual detected, the solar water heater that adopts described cisten mechanism of present technique and control system to be produced is than solar water heater's power saving of the charged heating function of tradition more than 70%.
Description of drawings
Fig. 1 is the sketch map of solar water heater embodiment 1 provided by the present invention.
Fig. 2 is the sketch map of solar water heater embodiment 2 provided by the present invention.
The specific embodiment
Embodiment 1, with reference to accompanying drawing.
The present invention includes storage tank 1, solar energy heat collection pipe 2 and the electrical heating elements 3 of controller 40, water-level and water-temperature sensor 31, band heat-insulation layer; Be divided into large water tank 11 and little water tank 12 about said storage tank 1 quilt; Large water tank 11 all is connected with solar energy heat collection pipe 2 with little water tank 12, and said large water tank 11 is connected through communicating pipe 50 at the top with little water tank 12; The water inlet 14 of said storage tank is arranged on the lower end of large water tank, and the delivery port 15 of said storage tank hot water is in the middle part of little water tank; Said electrical heating elements 3 is set in the little water tank 12; Said water-level and water-temperature sensor 31 is arranged in the little water tank 12; The point for measuring temperature 31-10 of said water-level and water-temperature sensor 31 is lower than said hot water outlet 15; The volume of large water tank 11 is greater than the volume of little water tank 12, and said water-level and water-temperature sensor 31 is provided with a plurality of water-level detecting points at the height along little water tank 12, in the present embodiment; Have 4 water-level detecting point 31-11,31-12,31-13,31-14, corresponding respectively height of water level is 1/4,1/2,3/4 and a trunkful of little water tank height; Said water-level and water-temperature sensor 31 is connected with controller 40, and to transmit signal, said electrical heating elements 3 is connected with controller 40, so that controller is controlled the startup of electrical heating elements 3 and closed down.
Be provided with hot water outlet pipe 4 in the said little water tank 12, said hot water outlet pipe 4 is erected in the little water tank 12, is fixed on the bottom of little water tank 12, and hot water outlet 15 is hot water outlet pipe's 4 upper end imports, and hot water flows out through outlet pipe 4.
The volume of said little water tank 12 is about 50 to 80 liters.The arranging density of little water tank 12 and the thermal-collecting tube that large water tank 11 is disposed can be identical.
Said solar water heater also is provided with entering water electromagnetic valve 16, and said entering water electromagnetic valve 16 is connected with controller 40, receives said controller 40 controls and switch.
Drawing reference numeral 17 is the exhaust outlet of storage tank.
Embodiment 2, with reference to accompanying drawing 2.
In the present embodiment, be provided with the second temperature sensor 31-9 in the said large water tank, the said second temperature sensor 31-9 is connected with controller, and to transmit signal, the temperature sensing point of said second temperature sensor is a little more than water inlet 14.
Work characteristics of the present invention is:
1, large water tank 11 net incomes are with solar energy heat production water, and little water tank 12 can also the electricity consumption heat make-up except absorbing solar energy.
2, there are an electrically heated button of switch and a temperature that button is set on the controller.Let daytime two water tanks fully absorb solar energy earlier; When temperature enough high (like 50 degree) at setting-up time point (like point in afternoons 4) large water tank; The constant temperature electric heating function of little water tank does not start; If the temperature to setting-up time point large water tank is not enough, can start the heated at constant temperature function of little water tank.Also can close the heating function of little water tank in the time of daytime through the button on the controller; Letting two water tanks all fully absorb solar energy heats; When not having the sun or solar energy not enough; Open electric heating function, large water tank absorbs solar energy, and little water tank not only absorbs solar energy but also start electrical heating.
3, the electrical heating elements 3 in the little water tank 12 is to control through controller pre-set temperature upper limit and lowest temperature.When electric heating function is opened, if the water temperature of little water tank is lower than the lowest temperature of setting, start electrical heating immediately, the temperature upper limit that is heated to setting stops automatically.
4, above-mentioned temperature threshold can freely be provided with through controller according to the water custom of oneself by the user.If worrying water or hot water demand measures greatly temporarily; Just all heighten lowest temperature threshold value and temperature upper limit threshold value; If the number of having a bath is few or the hot water demand measures seldom; As long as all turn down temperature upper limit and lowest temperature threshold value, the scope that reasonably is provided with is: the temperature upper limit threshold range is 65 ~ 85 ℃, and the lowest temperature threshold range is 55-75 ℃.
Behind the second temperature sensor 31-9, electric heating controlling method of the present invention is following:
Said solar water heater is set with second temperature threshold for the second TEMP actuator temperature sensing point temperature detected;
Said solar water heater also is provided with time value;
Said solar water heater is set with the first lowest temperature threshold value and the first temperature upper limit threshold value for the first TEMP actuator temperature sensing point temperature detected;
When said time value; As the second TEMP actuator temperature sensing point temperature detected greater than or more than or equal to second temperature threshold; As long as the water temperature of little water tank is not less than the first lowest temperature threshold value; Then be in before the time value of electrical heating elements to next day and stop heated condition, said be lower than for less than or smaller or equal to; Said time value can be set through controller, and time value can be one, also can be two, respectively time and described " time value of next day " of the corresponding second TEMP actuator temperature sensing point detecting temperature.
When the first TEMP actuator temperature sensing point temperature detected is lower than the first lowest temperature threshold value, then controller control electrical heating elements be in heated condition until the first TEMP actuator temperature sensing point temperature detected greater than or more than or equal to the first temperature upper limit threshold value.
After combining water, moisturizing, the electrically heated control method of the present invention is following:
When the tap of fetching boiling water is used hot water; Hot water flows out from outlet pipe 4, when the water level of little water tank 12 when water level point 31-14 full-water level is reduced to pairing 3/4 water level of water level point 31-13, controller is opened water intaking valve 16 moisturizings at once; Cold water gets into large water tank 11 bottoms from water inlet 14; Original cold water or warm water or hot water in the large water tank 11 through heading into little water tank 12 communicating pipe 50, when the water level in the little water tank 12 is mended to the 31-14 full-water level, are stopped moisturizing automatically.If what mend little water tank 12 is cold water, with the bottom of sinking to little water tank 12, thereby hot water is up pushed up, be hot water if mend what go into, will mix with original hot water, guaranteed that like this hot water is fully utilized.In the process of moisturizing, if what mend is cold water, the mixing temperatures in the little water tank 12 can reduce, and when temperature dropped to the lowest temperature threshold value, controller started electrical heating at once, stop automatically after the water in the little water tank 12 are heated to the temperature upper limit threshold value.Water, moisturizing, heating constantly circulate and guarantee that hot water supplies continually, if what mend little water tank 12 through large water tank 11 is hot water, then heat time heating time is then shorter.
Hot water outlet 15 is located at the seat at little water tank 12 middle parts, is to be hot water forever for what guarantee that hot water can not put and emit.
Because only the water in the little water tank is carried out electrical heating, if the sun is arranged, the water in the little water tank can also pass through solar energy hot, and can obtain hot water additional in the large water tank, therefore, saves energy greatly.
Above embodiment has been merely the present invention has been done fully and the explanation of being convenient to understand, and protection scope of the present invention is not done any binding character and dwindles, and all belongs within protection scope of the present invention based on any variation of mentality of designing of the present invention.

Claims (9)

1. the solar water heater of novel charged heating function, it comprises storage tank, solar energy heat collection pipe and the electrical heating elements of controller, water-level and water-temperature sensor, band heat-insulation layer; It is characterized in that being divided into large water tank and little water tank about said storage tank quilt, large water tank and little water tank all are connected with solar energy heat collection pipe, and said large water tank and little water tank are connected in the upper end; The water inlet of said storage tank is arranged on the lower end of large water tank, and said storage tank hot water outlet is located at the middle part of little water tank, and said electrical heating elements is set in the little water tank; Said water-temperature water-level sensor is arranged in the little water tank; Said water-temperature water-level sensor is provided with a temperature sensing point, and the position of temperature sensing point is lower than said hot water outlet, and said water-temperature water-level sensor is provided with a plurality of water-level detecting points along the height of little water tank; Water-temperature water-level sensor in the said little water tank is connected with controller; To transmit signal, said electrical heating elements is connected with controller, so that controller is controlled the startup of electrical heating elements and closed down.
2. the solar water heater of novel charged heating function as claimed in claim 1; It is characterized in that said little water tank is provided with the hot water outlet pipe; Said hot water outlet pipe is erected at and is fixed on little water tank bottom in the little water tank; Perhaps fixedly draw said hot water outlet pipe, required hot water is drawn from little water tank from the side at little water tank middle part.
3. the solar water heater of novel charged heating function as claimed in claim 1 is characterized in that being divided into large water tank and little water tank about dividing plate that said storage tank vertically set up, opens an aperture at the dividing plate top large water tank and little water tank are communicated with.
4. the solar water heater of novel charged heating function as claimed in claim 1, it is characterized in that large water tank and little water tank respectively by two independently inner bag constitute, be communicated with communicating pipe at the top between them.
5. the solar water heater of novel charged heating function as claimed in claim 1, the volume that it is characterized in that said little water tank is about 50 to 80 liters.
6. the solar water heater of novel charged heating function as claimed in claim 1 is characterized in that said solar water heater also is provided with entering water electromagnetic valve on inlet pipeline, and said entering water electromagnetic valve is connected with controller, receives said controller control and switch.
7. based on electric heating controlling method, it is characterized in that like claim 1,2,3,4,5 or 6 described novel charged heating function solar water heaters:
Said solar water heater is provided with second temperature sensor in large water tank, said second temperature sensor is connected with controller, and to transmit signal, said solar water heater is set with second temperature threshold for the second temperature sensor temperature detected;
Said solar water heater also is provided with time value;
Said solar water heater is set with the first lowest temperature threshold value and the first temperature upper limit threshold value for the first temperature sensor temperature detected;
When said time value; As the second temperature sensor temperature detected greater than or more than or equal to second temperature threshold; As long as the water temperature of little water tank is not less than the first lowest temperature threshold value, then be in before the time value of electrical heating elements to next day and stop heated condition, said be lower than for less than or smaller or equal to;
When the first TEMP actuator temperature sensing point temperature detected is lower than the first lowest temperature threshold value, then controller control electrical heating elements be in heated condition until the first TEMP actuator temperature sensing point temperature detected greater than or more than or equal to the first temperature upper limit threshold value.
8. based on the electric heating controlling method of novel charged heating function solar water heater as claimed in claim 7, it is characterized in that:
When the first TEMP actuator temperature sensing point temperature detected greater than or during more than or equal to the first temperature upper limit threshold value, then electrical heating elements is in and stops heated condition.
9. electric heating controlling method as claimed in claim 6 is characterized in that said solar water heater also is provided with entering water electromagnetic valve, and said entering water electromagnetic valve is connected with controller, receives said controller control and switch; Said solar water heater is set with little cistern water level threshold value, and said watermark threshold is greater than said delivery port height; When little cistern water level during greater than watermark threshold, controller is controlled said entering water electromagnetic valve and is in closed condition, and when little cistern water level during smaller or equal to watermark threshold, controller is controlled said entering water electromagnetic valve and is in open mode.
CN2012101545590A 2012-05-18 2012-05-18 New type solar water heater with electric heating function and electric heating control method CN102692080A (en)

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Application Number Priority Date Filing Date Title
CN2012101545590A CN102692080A (en) 2012-05-18 2012-05-18 New type solar water heater with electric heating function and electric heating control method

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CN102692080A true CN102692080A (en) 2012-09-26

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Cited By (11)

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Publication number Priority date Publication date Assignee Title
CN103375934A (en) * 2013-05-03 2013-10-30 李佳雪 Internal reflective evacuated collector tube, forming device and close-packed collector
CN103574915A (en) * 2013-11-25 2014-02-12 山东力诺瑞特新能源有限公司 Double bin-photoelectric complementary efficient solar water heater
CN104034063A (en) * 2013-03-06 2014-09-10 王颖 Photomagnetoelectric complementary energy collecting type solar furnace
CN104896756A (en) * 2015-06-12 2015-09-09 艾欧史密斯(中国)热水器有限公司 Controlling method of water heater
CN105202772A (en) * 2015-11-02 2015-12-30 广西广拓新能源科技有限公司 Multi-compartment solar water heater
CN105490639A (en) * 2015-12-09 2016-04-13 河海大学常州校区 Intelligent thermophotovoltaic integrated device
CN105758017A (en) * 2016-03-29 2016-07-13 陈远华 Solar water heater
CN105758018A (en) * 2016-03-29 2016-07-13 陈远华 Water heater
CN105841367A (en) * 2016-03-29 2016-08-10 陈远华 Water heating equipment
CN110793223A (en) * 2019-10-24 2020-02-14 广西吉宽太阳能设备有限公司 Solar water heater with double-bin water tank
CN111023600A (en) * 2019-12-26 2020-04-17 真木农业设备(安徽)有限公司 Heat storage water tank of solar water heater

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CN104034063A (en) * 2013-03-06 2014-09-10 王颖 Photomagnetoelectric complementary energy collecting type solar furnace
CN104034063B (en) * 2013-03-06 2017-06-06 王颖 Photomagnetoelectric complementary energy gathering type solar furnace
CN103375934A (en) * 2013-05-03 2013-10-30 李佳雪 Internal reflective evacuated collector tube, forming device and close-packed collector
CN103375934B (en) * 2013-05-03 2015-11-04 李佳雪 Interior reflecting type vacuum heat collection pipe, shaped device and solid matter heat collector
CN103574915A (en) * 2013-11-25 2014-02-12 山东力诺瑞特新能源有限公司 Double bin-photoelectric complementary efficient solar water heater
CN104896756A (en) * 2015-06-12 2015-09-09 艾欧史密斯(中国)热水器有限公司 Controlling method of water heater
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CN105202772A (en) * 2015-11-02 2015-12-30 广西广拓新能源科技有限公司 Multi-compartment solar water heater
CN105202772B (en) * 2015-11-02 2017-07-21 广西广拓新能源科技有限公司 Multi-chamber solar water heater
CN105490639B (en) * 2015-12-09 2017-07-18 河海大学常州校区 A kind of heating integrated device of intelligent photovoltaic
CN105490639A (en) * 2015-12-09 2016-04-13 河海大学常州校区 Intelligent thermophotovoltaic integrated device
CN105758018A (en) * 2016-03-29 2016-07-13 陈远华 Water heater
CN105841367A (en) * 2016-03-29 2016-08-10 陈远华 Water heating equipment
CN105758017A (en) * 2016-03-29 2016-07-13 陈远华 Solar water heater
CN110793223A (en) * 2019-10-24 2020-02-14 广西吉宽太阳能设备有限公司 Solar water heater with double-bin water tank
CN111023600A (en) * 2019-12-26 2020-04-17 真木农业设备(安徽)有限公司 Heat storage water tank of solar water heater

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