CN107202418A - The external heating storage-type electric water heater of multi-cylinder and its control method - Google Patents

The external heating storage-type electric water heater of multi-cylinder and its control method Download PDF

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Publication number
CN107202418A
CN107202418A CN201710393106.6A CN201710393106A CN107202418A CN 107202418 A CN107202418 A CN 107202418A CN 201710393106 A CN201710393106 A CN 201710393106A CN 107202418 A CN107202418 A CN 107202418A
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CN
China
Prior art keywords
water
storage cylinder
cylinder
water storage
electrically
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CN201710393106.6A
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Chinese (zh)
Inventor
刘诗锋
林栋联
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Individual
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Individual
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Priority to CN201710393106.6A priority Critical patent/CN107202418A/en
Publication of CN107202418A publication Critical patent/CN107202418A/en
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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
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/185Water-storage heaters using electric 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
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818Arrangement or mounting of electric heating means
    • 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
    • F24H9/2021Storage heaters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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 present invention relates to a kind of external heating storage-type electric water heater of multi-cylinder and its control method, its structure includes electric-control system, two or more water storage cylinder, water inlet, delivery port, for the circulating heater heated respectively to the water source of each water storage cylinder, circulating heater is arranged on outside water storage cylinder, circulating heater includes water boiler and suction pump, water boiler one end is connected with suction pump one end, each water storage cylinder has been respectively communicated with a water inlet electrically-controlled valve and a water outlet electrically-controlled valve, the water inlet electrically-controlled valve of each water storage cylinder is connected with the water boiler other end respectively, the water outlet electrically-controlled valve of each water storage cylinder is connected with the suction pump other end respectively;Each water storage cylinder enters electrical switch by first respectively and connected with water inlet and go out electrical switch by first respectively to be connected with delivery port.Multiple water storage cylinders of the present invention are independent externally to supply water, because the volume of single water storage cylinder is smaller, its internal water quickly can be heated into required temperature, so as to reach the purpose of rapid hot water output.

Description

The external heating storage-type electric water heater of multi-cylinder and its control method
Technical field
The present invention relates to a kind of storage-type electric water heater, particularly a kind of external heating storage-type electric water heater of multi-cylinder and its Control method.
Background technology
Current storage-type electric water heater, enters cold water while going out hot water, hot water causes the energy by cold water mix in inner bag Waste.Water temperature in inner bag is also resulted in unstable, moreover, some storage-type electric water heaters are in exiting water process, it is necessary to simultaneously Start heat-generating pipe heating, cause water body to there is powered risk.Further, because water is left concentratedly in an inner bag(Also some It is more than two inner bags, but inner bag is chronically at connected state, so, an inner bag is also equal in theory)Heating, The water of whole inner bag is heated to suitable temperature(When especially requiring heat to higher temperature), then longer time is needed. If further, in the case of water consumption very little, but needing whole inner bag being heated to required temperature, then the wave of the energy is result in Take.Current storage-type electric water heater also has following not enough in addition to above-mentioned deficiency:Incrustation scale problem:Sales volume maximum storage on the market Discharge type electric water heater, 95% all uses stainless steel heat-generating pipe, and because heat-generating pipe is immersed in water, long-term use can produce incrustation scale, shadow Heating efficiency is rung, incrustation scale seriously has electric leakage risk.Cleaning problems:In the maximum storage-type electric water heater of sales volume on the market, inner bag There is slough in portion, part water can not flow out, easy breed bacteria.Installation question:Common storage-type electric water heater, volume is big, Weight is big, requires high to installation environment.
Certainly, if user needs water temperature stable water pressure, the storage-type electric water heater of Large Copacity can be selected, still, its Also there is deficiency:Space-consuming is big, install hardly possible, heat time length, exhaustless hot water waste many etc.;If from instant electric Hydrophone, can meet the requirement of water temperature stable water pressure, but its use occasion is harsh, otherwise when temperature is relatively low, it is desirable to Maintain comfortable water yield(≥4L/min), must just select high-power(≥8KW), many families very big to the load of circuit It can not install.
The content of the invention
, can fast supply heat it is an object of the invention to provide a kind of simple and reasonable for structure, leaving water temperature, stability of flow Water, it is standby when retain that hot water amount is small, reduce the external heating storage-type electric water heater of the low multi-cylinder of energy loss, power and its control Method, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of external heating storage-type electric water heater of multi-cylinder, including electric-control system, more than two water storage cylinders, water inlet and water outlet Mouthful, it is characterised in that:Also include the circulating heater for being used to respectively heat the water source of each water storage cylinder, circulating-heating Device is arranged on outside water storage cylinder, and circulating heater includes water boiler and suction pump, water boiler one end and suction pump one end Connection, each water storage cylinder has been respectively communicated with a water inlet electrically-controlled valve and a water outlet electrically-controlled valve, and the water inlet of each water storage cylinder is automatically controlled Valve is connected with the water boiler other end respectively, and the water outlet electrically-controlled valve of each water storage cylinder is connected with the suction pump other end respectively;It is described Each water storage cylinder enters electrical switch by first respectively and is connected with water inlet and go out electrical switch and water outlet by first respectively Mouth connection;Water boiler, suction pump, water inlet electrically-controlled valve, water outlet electrically-controlled valve, first enter electrical switch and first and go out electrical switch point It is not electrically connected with electric-control system.
The purpose of the present invention can also be solved using following technical measures:
As more specifically scheme, level sensor is provided with the water storage cylinder, level sensor includes what is be distributed from bottom to up Low water level sensor, middle level sensor and high water level sensor, low water level sensor, middle level sensor and high water level sensing Device is electrically connected with electric-control system respectively.Stop supplying water to water storage cylinder when water level reaches high water level sensor, during circulating-heating, Water level should reach at or above middle level sensor, to ensure that inside circulating heater water can be full of, it is to avoid draw water pump depletion, with And water boiler no-water dry combustion.
The water inlet electrically-controlled valve is connected with water storage cylinder top, and water outlet electrically-controlled valve is connected with water storage cylinder bottom;Each described storage Water vat bottom is provided with osculum, and top is provided with blasthole, the first water flow sensing unit and institute are connected between osculum and delivery port State first and go out electrical switch, blasthole enters electrical switch by described first and connected with water inlet, the first water flow sensing unit and electricity Control system is electrically connected with.By the signal of the first water flow sensing unit, can accurately judge which water storage cylinder in water outlet, electric-control system Then take corresponding control.
The water boiler includes passage to boil water and the heater for being heated to passage to boil water, passage difference to boil water Connected with water inlet electrically-controlled valve and suction pump.
The delivery port is provided with water pump, and water pump is electrically connected with electric-control system.
Described water pump one end is connected with delivery port, and the other end and automatically controlled water mixing valve are electrically connected with, automatically controlled water mixing valve with it is automatically controlled System is electrically connected with;The automatically controlled water mixing valve is provided with cold water water inlet end, hot water water inlet end and water side, hot water water inlet end and water pump The other end is connected, and water side is connected with the 3rd water flow sensing unit.Flow through out-of-date when the 3rd water flow sensing unit perceives water, explanation is opened Beginning water, that is, start the electric-control system of water heater.
The water storage cylinder is provided with two to ten.Water storage cylinder is generally in the majority within the scope of two to five, and this is comprehensive use The factors such as water, cost, product size consider, choose a balance, certainly, theoretically water storage cylinder quantity is The more the better.
A kind of control method of the external heating storage-type electric water heater of multi-cylinder, it is characterised in that:After first upper electricity, at least one The first of individual water storage cylinder enter electrical switch opening, start water inlet, also, one in the water storage cylinder of water inlet water level reach certain journey After degree, the water inlet electrically-controlled valve and water outlet electrically-controlled valve of the water storage cylinder are opened, and start water boiler and suction pump, with to the water storage The water of cylinder carries out circulating-heating;When using water, preferentially open the first of the water storage cylinder for having laid in hot water and go out electrical switch and close Close the water storage cylinder first enters electrical switch, and other water storage cylinders start to intake and heated;When in by the water storage of water intaking state During cylinder water shortage, its first go out electrical switch switch to closing, its first enter electrical switch opening, while changing by other water storages Cylinder is supplied water, and the water storage cylinder of water shortage is intake and heating work, gone round and begun again.
Beneficial effects of the present invention are as follows:
(1)Multiple water storage cylinders of such external heating storage-type electric water heater of multi-cylinder are independent externally to supply water, due to single water storage cylinder Volume it is smaller, its internal water quickly can be heated to required temperature, so as to reach the purpose of rapid hot water output;
(2)When the water storage cylinder of such external heating storage-type electric water heater of multi-cylinder goes out hot water, cold water is not supplemented, it is to avoid its internal water The temperature in source changes, it is ensured that effluent temperature constancy;
(3)When the water storage cylinder of such external heating storage-type electric water heater of multi-cylinder goes out hot water, no longer the water source of its inside is carried out Heating, meanwhile, another water storage cylinder is also independently separated with the water storage cylinder just in water outlet even if being heated, so, realize water power Separation, use is safer;
(4)Such external heating storage-type electric water heater of multi-cylinder just for a water storage cylinder due to being heated, its heating power It can reduce, after tested:Under equal-wattage, what 20 liters of inner bag capacity can reach traditional 40 liters of storage-type goes out hot water amount;
(5)Not make-up water source is not heated yet during the external heating storage-type electric water heater water outlet of such multi-cylinder, therefore, can when using water With with my water storage cylinder again with the water of another water storage cylinder, it is to avoid there is ponding in water storage cylinder, reduce bacteria breed;
(6)Water source can freely flow down or by water pump pump in the water storage cylinder of such external heating storage-type electric water heater of multi-cylinder Go out, water storage cylinder can be the structure of normal pressure(Not pressure-bearing), its material requirements is lower.
Brief description of the drawings
Fig. 1 is one embodiment of the invention structural representation.
Fig. 2 is another embodiment of the present invention structural representation.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
It is shown in Figure 1, a kind of external heating storage-type electric water heater of multi-cylinder, including electric-control system, more than two storages Water vat, water inlet 31 and delivery port 32, it is characterised in that:Also include being used for respectively heat the water source of each water storage cylinder Circulating heater 9, circulating heater 9 is arranged on outside water storage cylinder, and circulating heater 9 includes water boiler 91 and suction pump 92, the one end of water boiler 91 is connected with the one end of suction pump 92, and each water storage cylinder has been respectively communicated with a water inlet electrically-controlled valve 93 and one Individual water outlet electrically-controlled valve 96, the water inlet electrically-controlled valve 93 of each water storage cylinder is connected with the other end of water boiler 91 respectively, each water storage cylinder Water outlet electrically-controlled valve 96 connected respectively with the other end of suction pump 92;Each described water storage cylinder enters electrical switch by first respectively 111 connect with water inlet 31 and go out electrical switch 121 by first respectively and connected with delivery port 32;Water boiler 91, draw water Pump 92, water inlet electrically-controlled valve 93, water outlet electrically-controlled valve 96, first enter electrical switch 111 and first go out electrical switch 121 respectively with it is automatically controlled System is electrically connected with.
The water storage cylinder be gerotor type water storage cylinder, gerotor type water storage cylinder be stainless steel water storage cylinder, decarburized steel enamel water storage cylinder, Copper water storage cylinder, temperature resistant plastic water storage cylinder, ceramic water storage cylinder, glass water cylinder or wooden water storage cylinder;It is preferred that stainless steel water storage cylinder. The heat-insulation layer is heat-preservation cotton, polyurethane foam material or foam;Or, water storage cylinder double-decker, its wall portion interlayer is to be formed The heat-insulation layer;It is preferred that polyurethane foam material is used as heat-insulation layer.
Level sensor is provided with the water storage cylinder, level sensor includes the low water level sensor being distributed from bottom to up 15th, middle level sensor 14 and high water level sensor 13, low water level sensor 15, middle level sensor 14 and high water level sensor 13 are electrically connected with electric-control system respectively.
The water inlet electrically-controlled valve 93 is connected with water storage cylinder top, and water outlet electrically-controlled valve 96 is connected with water storage cylinder bottom;It is described each Individual water storage cylinder bottom is provided with osculum 12, and top is provided with blasthole 11, the first water is connected between osculum 12 and delivery port 32 Flow sensor 122 and described first goes out electrical switch 121, and blasthole 11 enters electrical switch 111 and water inlet by described first 31 connections, the first water flow sensing unit 122 is electrically connected with electric-control system.
The water boiler 91 includes passage to boil water and the heater for being heated to passage to boil water, passage to boil water point Do not connected with water inlet electrically-controlled valve 93 and suction pump 92.The passage to boil water 91 is the side such as die casting aluminium, thick film heating pipe, Electromagnetic Heating Formula.
The delivery port 32 is provided with water pump 7, and water pump 7 is electrically connected with electric-control system.
Described one end of water pump 7 is connected with delivery port 32, and the other end is electrically connected with automatically controlled water mixing valve 8, automatically controlled water mixing valve 8 with Electric-control system is electrically connected with;The automatically controlled water mixing valve 8 is provided with cold water water inlet end a, hot water water inlet end b and water side c, hot water water inlet End b is connected with the other end of water pump 7, and water side c is connected with the 3rd water flow sensing unit.The water inlet 31 and cold water water inlet end a are same When be connected with running water pipe 33.
The water storage cylinder is provided with two, respectively the first water storage cylinder 1 and the second water storage cylinder 5.Referring to Fig. 2, the water storage cylinder It can also be provided that three, respectively the first water storage cylinder 1, the second water storage cylinder 5 and the 3rd water storage cylinder 6.
After a kind of control method of the external heating storage-type electric water heater of multi-cylinder, first upper electricity, at least one water storage cylinder First, which enters electrical switch 111, opens, and starts water inlet, also, one after water level reaches to a certain degree in the water storage cylinder of water inlet, should The water inlet electrically-controlled valve 93 and water outlet electrically-controlled valve 96 of water storage cylinder are opened, and start water boiler 91 and suction pump 92, with to the storage The water of water vat carries out circulating-heating;When using water, preferentially open the first of the water storage cylinder for having laid in hot water and go out electrical switch 121 and close the first of the water storage cylinder and enter electrical switch 111, and other water storage cylinders start to intake and heated;When in being fetched water During the water storage cylinder water shortage of state, its first go out electrical switch 121 switch to closing, its first enter electrical switch 111 and open, simultaneously Change and supplied water by other water storage cylinders, the water storage cylinder of water shortage is intake and heating work, gone round and begun again.

Claims (8)

1. a kind of external heating storage-type electric water heater of multi-cylinder, including electric-control system, more than two water storage cylinders, water inlet and go out The mouth of a river, it is characterised in that:Also include the circulating heater for being used to respectively heat the water source of each water storage cylinder, circulation adds Thermal is arranged on outside water storage cylinder, and circulating heater includes water boiler and suction pump, water boiler one end and suction pump one End connection, each water storage cylinder has been respectively communicated with an a water inlet electrically-controlled valve and water outlet electrically-controlled valve, and each water storage cylinder enters water power Control valve is connected with the water boiler other end respectively, and the water outlet electrically-controlled valve of each water storage cylinder is connected with the suction pump other end respectively;Institute State each water storage cylinder and enter electrical switch by first respectively and connected with water inlet and go out electrical switch with going out by first respectively The mouth of a river is connected;Water boiler, suction pump, water inlet electrically-controlled valve, water outlet electrically-controlled valve, first enter electrical switch and first and go out electrical switch It is electrically connected with respectively with electric-control system.
2. the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:It is provided with the water storage cylinder Level sensor, level sensor includes low water level sensor, middle level sensor and the high water level sensing being distributed from bottom to up Device, low water level sensor, middle level sensor and high water level sensor are electrically connected with electric-control system respectively.
3. the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:It is described water inlet electrically-controlled valve with Water storage cylinder top is connected, and water outlet electrically-controlled valve is connected with water storage cylinder bottom;Each described water storage cylinder bottom is provided with osculum, and top is set There is blasthole, the first water flow sensing unit and described first is connected between osculum and delivery port and goes out electrical switch, blasthole leads to Cross described first and enter electrical switch and connected with water inlet, the first water flow sensing unit is electrically connected with electric-control system.
4. the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:The water boiler includes Passage to boil water and the heater for being heated to passage to boil water, passage to boil water connect with water inlet electrically-controlled valve and suction pump respectively It is logical.
5. the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:The delivery port is provided with water Pump, water pump is electrically connected with electric-control system.
6. the external heating storage-type electric water heater of multi-cylinder according to claim 5, it is characterised in that:Described water pump one end is with going out The mouth of a river is connected, and the other end is electrically connected with automatically controlled water mixing valve, and automatically controlled water mixing valve is electrically connected with electric-control system;The automatically controlled mixed water Valve is provided with cold water water inlet end, hot water water inlet end and water side, and hot water water inlet end connects with the water pump other end, and water side is connected with the Three water flow sensing units.
7. the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:The water storage cylinder is provided with two To ten.
8. a kind of control method of the external heating storage-type electric water heater of multi-cylinder according to claim 1, it is characterised in that:Just After secondary upper electricity, the first of at least one water storage cylinder enters electrical switch opening, starts water inlet, also, a water storage cylinder in water inlet After interior water level reaches to a certain degree, the water inlet electrically-controlled valve and water outlet electrically-controlled valve of the water storage cylinder are opened, and start water boiler and Suction pump, to carry out circulating-heating to the water of the water storage cylinder;
It is preferential to open the first of the water storage cylinder for having laid in hot water and go out electrical switch and close the of the water storage cylinder when using water One enters electrical switch, and other water storage cylinders start to intake and heated;When in by water intaking state water storage cylinder water shortage when, it first Go out electrical switch switch to closing, its first enter electrical switch opening, while change by other water storage cylinders supply water, the storage of water shortage Water vat is intake and heating work, is gone round and begun again.
CN201710393106.6A 2017-05-27 2017-05-27 The external heating storage-type electric water heater of multi-cylinder and its control method Pending CN107202418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710393106.6A CN107202418A (en) 2017-05-27 2017-05-27 The external heating storage-type electric water heater of multi-cylinder and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710393106.6A CN107202418A (en) 2017-05-27 2017-05-27 The external heating storage-type electric water heater of multi-cylinder and its control method

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CN107202418A true CN107202418A (en) 2017-09-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067648A (en) * 2020-07-22 2020-12-11 中国电力科学研究院有限公司 Water immersion and thermal cycle test system and method for outer protection layer of cable direct-buried connector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170814A (en) * 1995-12-20 1997-06-30 Mitsubishi Electric Corp Boil-up system of calorifier
CN2798802Y (en) * 2005-06-15 2006-07-26 李建雄 Double barrel drinking machine
CN2807119Y (en) * 2005-06-17 2006-08-16 李晨 Electric water heater
CN201599925U (en) * 2010-02-11 2010-10-06 阳稼娄 Energy-saving heat-storage electric water heater
CN202719744U (en) * 2012-08-06 2013-02-06 武汉百年飞龙太阳能技术有限责任公司 Heat storage instant electric water heater
CN106322752A (en) * 2016-09-07 2017-01-11 中国北方车辆研究所 Parallel type double-inner-container electric water heater and heating method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09170814A (en) * 1995-12-20 1997-06-30 Mitsubishi Electric Corp Boil-up system of calorifier
CN2798802Y (en) * 2005-06-15 2006-07-26 李建雄 Double barrel drinking machine
CN2807119Y (en) * 2005-06-17 2006-08-16 李晨 Electric water heater
CN201599925U (en) * 2010-02-11 2010-10-06 阳稼娄 Energy-saving heat-storage electric water heater
CN202719744U (en) * 2012-08-06 2013-02-06 武汉百年飞龙太阳能技术有限责任公司 Heat storage instant electric water heater
CN106322752A (en) * 2016-09-07 2017-01-11 中国北方车辆研究所 Parallel type double-inner-container electric water heater and heating method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067648A (en) * 2020-07-22 2020-12-11 中国电力科学研究院有限公司 Water immersion and thermal cycle test system and method for outer protection layer of cable direct-buried connector
CN112067648B (en) * 2020-07-22 2023-09-05 中国电力科学研究院有限公司 System and method for testing immersion and thermal cycle of outer protective layer of cable direct-buried connector

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