CN104676729A - Complementary gas and electric water heating system and control method for same - Google Patents
Complementary gas and electric water heating system and control method for same Download PDFInfo
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- CN104676729A CN104676729A CN201510070430.5A CN201510070430A CN104676729A CN 104676729 A CN104676729 A CN 104676729A CN 201510070430 A CN201510070430 A CN 201510070430A CN 104676729 A CN104676729 A CN 104676729A
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Abstract
The invention discloses a complementary gas and electric water heating system and a control method for the same. The complementary gas and electric water heating system comprises a gas water heater, a check valve, a flow sensor, a plurality of cold water outlet pipes, an electric water heater, a plurality of electrically-heated water outlet pipes and a central controller, wherein the gas water heater is provided with a gas heating water inlet and a gas heating water outlet connected with a water source through a cold water inlet pipe; the check valve is arranged at the gas heating water inlet; the flow sensor is arranged at the gas heating water outlet; the cold water outlet pipes are connected with the cold water inlet pipe respectively; the electric water heater is provided with an electric heating water inlet and an electric heating water outlet; the electric heating water inlet is connected with the gas heating water outlet through a hot water delivery pipe; the electrically-heated water outlet pipes are connected with the electric heating water outlet respectively; the central controller communicates with the gas water heater, the flow sensor and the electric water heater respectively. According to the complementary gas and electric water heating system, the gas water heater can be prevented from being mistakenly started by water pressure fluctuation.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, in particular to a kind of control method of firing electric complementary hot-water system and described combustion electricity complementary hot-water system.
Background technology
Combustion electricity complementary hot-water system in correlation technique, when gas heater external water pressure changes, even without unlatching hot water water spot, also can detect that gas heater has flow, now blower fan can start, and time length is even lighted a fire, and causes the frequent error starting of gas heater.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes the electric complementary hot-water system of a kind of combustion, this combustion electricity complementary hot-water system can prevent gas heater because of water pressure fluctuations error starting.
The present invention also proposes the control method of the electric complementary hot-water system of a kind of described combustion.
For achieving the above object, embodiment according to a first aspect of the present invention proposes the electric complementary hot-water system of a kind of combustion, the electric complementary hot-water system of described combustion comprises: gas heater, described gas heater has the hot water inlet of combustion and combustion hot water outlet, and the hot water inlet of described combustion is connected with water source by cold water inlet; Check-valves, described check-valves is located at the hot water inlet of described combustion and refluxes to prevent the water of the hot water inlet of described combustion; Flow sensor, described flow sensor is located at described combustion hot water outlet place; Multiple cold water outlet pipe, multiple described cold water outlet pipe is connected with described cold water inlet respectively, and each described cold water outlet pipe has cold water water end (W.E.); Electric heater, described electric heater has electric heating water inlet and electric heating delivery port, and described electric heating water inlet is connected with described combustion hot water outlet by hot water conveying pipe; Multiple electric heating hot water outlet pipe, multiple described electric heating hot water outlet pipe is connected with described electric heating delivery port respectively, and each described electric heating hot water outlet pipe has electric heating hot water water end (W.E.); Central controller, described central controller respectively with described gas heater, described flow sensor and described electric heater communication.
According to the combustion of embodiment of the present invention electricity complementary hot-water system can prevent gas heater because of water pressure fluctuations error starting.
In addition, the electric complementary hot-water system of combustion according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, described check-valves to be located on described cold water inlet and the hot water inlet of contiguous described combustion is arranged.
According to one embodiment of present invention, described flow sensor is located at the upper and contiguous described combustion hot water outlet of described hot water conveying pipe and arranges.
According to one embodiment of present invention, described hot water conveying pipe is provided with pressure relief safety valve, and the contiguous described electric heating water inlet of described pressure relief safety valve is arranged.
According to one embodiment of present invention, the electric complementary hot-water system of described combustion also comprises the hot hot water outlet pipe of combustion, and described combustion hot hot water outlet pipe be connected with described hot water conveying pipe, and the hot hot water outlet pipe of described combustion has combustion hot water water end (W.E.).
According to one embodiment of present invention, the electric complementary hot-water system of described combustion also comprises: fire hot lavatory basin, and the hot lavatory basin of described combustion is connected with a described cold water water end (W.E.) with described combustion hot water water end (W.E.) respectively; Multiple electric heating lavatory basin, each described electric heating lavatory basin respectively electric heating hot water water end (W.E.) described with is connected with a described cold water water end (W.E.); Multiple gondola water faucet, each described gondola water faucet respectively electric heating hot water water end (W.E.) described with is connected with a described cold water water side.
Embodiment according to a second aspect of the present invention proposes the control method of the combustion electricity complementary hot-water system described in a kind of embodiment according to a first aspect of the present invention, and described control method comprises the following steps:
S1) water flow of described gas heater is detected;
S2) when the water flow of described gas heater be more than or equal to predetermined start flow and predetermined hold-time time, control described gas heater and start;
When the water flow of described gas heater is less than or equal to predetermined closedown flow and continues the described scheduled time, control described gas heater and close, wherein, described predetermined closedown flow is less than described predetermined startup flow.
According to the control method of the combustion of embodiment of the present invention electricity complementary hot-water system can prevent gas heater because of water pressure fluctuations error starting.
According to one embodiment of present invention, described predetermined startup flow is 3 Liter Per Minutes.
According to one embodiment of present invention, described predetermined closedown flow is 2.5 Liter Per Minutes.
According to one embodiment of present invention, the described scheduled time is 2 seconds.
Accompanying drawing explanation
Fig. 1 is the structural representation of the combustion electricity complementary hot-water system according to the embodiment of the present invention.
Fig. 2 is the flow chart of the control method according to the electric complementary hot-water system of the combustion of the embodiment of the present invention.
Reference numeral: fire electric complementary hot-water system 1, water source 2, gas heater 10, fire hot water inlet 11, combustion hot water outlet 12, cold water inlet 20, check-valves 21, flow sensor 22, cold water outlet pipe 30, cold water water end (W.E.) 31, electric heater 40, electric heating water inlet 42, electric heating delivery port 43, hot water conveying pipe 50, electric heating hot water outlet pipe 60, electric heating hot water water end (W.E.) 61, pressure relief safety valve 70, fire hot hot water outlet pipe 80, fire hot water water end (W.E.) 81, fire hot lavatory basin 90, electric heating lavatory basin 100, gondola water faucet 110.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings combustion electricity complementary hot-water system 1 according to the embodiment of the present invention is described.
As shown in Figure 1, gas heater 10, cold water inlet 20, check-valves 21, flow sensor 22, multiple cold water outlet pipe 30, electric heater 40, hot water conveying pipe 50, multiple electric heating hot water outlet pipe 60 and central controller (not shown) is comprised according to the combustion electricity complementary hot-water system 1 of the embodiment of the present invention.
Gas heater 10 has the hot water inlet 11 of combustion and combustion hot water outlet 12, fires hot water inlet 11 and is connected with water source 2 by cold water inlet 20.Check-valves 21 is located at the hot water inlet 11 of combustion and sentences the water backflow preventing from firing hot water inlet 11 place.Flow sensor 22 is located at combustion hot water outlet 12 place, for detecting the water flow of gas heater 10.Multiple cold water outlet pipe 30 is connected with cold water inlet 20 respectively, and each cold water outlet pipe 30 has cold water water end (W.E.) 31.Electric heater 40 has electric heating water inlet 42 and electric heating delivery port 43, and electric heating water inlet 42 is connected with combustion hot water outlet 12 by hot water conveying pipe 50.Multiple electric heating hot water outlet pipe 60 is connected with electric heating delivery port 43 respectively, and each electric heating hot water outlet pipe 60 has electric heating hot water water end (W.E.) 61.Described central controller respectively with gas heater 10, flow sensor 22 and electric heater 40 communication.
Below with reference to the accompanying drawings the control method of the combustion electricity complementary hot-water system 1 according to the embodiment of the present invention is described.
As shown in Figure 2, comprise the following steps according to the control method of the combustion electricity complementary hot-water system 1 of the embodiment of the present invention:
S1) flow sensor 22 is utilized to detect the water flow of gas heater 10;
S2) when the water flow of gas heater 10 be more than or equal to predetermined start flow and predetermined hold-time time, described central controller controls gas heater 10 starts;
When the water flow of gas heater 10 is less than or equal to predetermined closedown flow and continues the described scheduled time, described central controller controls gas heater 10 cuts out, and wherein, described predetermined closedown flow is less than described predetermined startup flow.
Particularly, described predetermined startup flow is 3 Liter Per Minutes, and described predetermined closedown flow is 2.5 Liter Per Minutes, and the described scheduled time is 2 seconds.
According to the combustion of embodiment of the present invention electricity complementary hot-water system 1, by adopting gas heater 10 and electric heater 40 complementation heating, multiple water spot can be realized and open with water, one simultaneously and namely have hot water, continuously by functions such as water time length.And, by arranging check-valves 21 at the combustion of gas heater 10 hot water inlet 11 place, the water backflow of firing hot water inlet 11 place can be prevented, thus can avoid along producing instantaneous delivery in the opposite direction with the water inlet side of gas heater 10, and then can prevent gas heater 10 because of aqueous reflux error starting.
In addition, according to the control method of the combustion electricity complementary hot-water system 1 of the embodiment of the present invention, when the water flow of gas heater 10 be more than or equal to predetermined start flow and predetermined hold-time time, described central controller controls gas heater 10 starts, and when the water flow of gas heater 10 is less than or equal to predetermined closedown flow and continues the described scheduled time, described central controller controls gas heater 10 cuts out.Due to flow duration moment shorter (being generally less than 1 second) caused because hydraulic pressure is unstable, and moment flow interval time longer, therefore can effectively prevent gas heater 10 because of the instantaneous delivery in the direction that intakes along gas heater 10 error starting.
Below with reference to the accompanying drawings combustion electricity complementary hot-water system 1 according to the specific embodiment of the invention is described.
In specific embodiments more of the present invention, as shown in Figure 1, gas heater 10, cold water inlet 20, check-valves 21, flow sensor 22, multiple cold water outlet pipe 30, electric heater 40, hot water conveying pipe 50, multiple electric heating hot water outlet pipe 60 and central controller is comprised according to the combustion electricity complementary hot-water system 1 of the embodiment of the present invention.
Specifically, check-valves 21 is located on cold water inlet 20 and the hot water inlet 11 of contiguous combustion is arranged, and flow sensor 22 is located on hot water conveying pipe 50 and contiguous combustion hot water outlet 12 is arranged.
In concrete examples more of the present invention, as shown in Figure 1, in order to improve the safety and stability of electric heater 40, hot water conveying pipe 50 is provided with pressure relief safety valve 70, the contiguous electric heating water inlet 42 of pressure relief safety valve 70 is arranged, when passing through pressure relief safety valve 70 pressure release during superpressure in electric heater 40.
Further, as shown in Figure 1, fire electric complementary hot-water system 1 and also comprise the hot hot water outlet pipe 80 of combustion, fire hot hot water outlet pipe 80 and be connected with hot water conveying pipe 50, and fire hot hot water outlet pipe 80 and have and fire hot water water end (W.E.) 81.By the hot hot water outlet pipe 80 of combustion, gas heater 10 separately supplying hot water can be made thus, and without the need to through electric heater 40, thus improve the practicality of the electric complementary hot-water system 1 of combustion.
Alternatively, as shown in Figure 1, conveniently each water spot water, fires electric complementary hot-water system 1 and also comprises combustion hot lavatory basin 90, multiple electric heating lavatory basin 100 and multiple gondola water faucet 110.
Fire hot lavatory basin 90 to be connected with a cold water water end (W.E.) 31 with combustion hot water water end (W.E.) 81 respectively.Each electric heating lavatory basin 100 is connected with a cold water water end (W.E.) 31 with an electric heating hot water water end (W.E.) 61 respectively.Each gondola water faucet 110 is connected with a cold water water end (W.E.) 31 with an electric heating hot water water end (W.E.) 61 respectively.
To form according to other of the combustion of embodiment of the present invention electricity complementary hot-water system 1 and operation is all known for those of ordinary skills, be not described in detail here.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. fire an electric complementary hot-water system, it is characterized in that, comprising:
Gas heater, described gas heater has the hot water inlet of combustion and combustion hot water outlet, and the hot water inlet of described combustion is connected with water source by cold water inlet;
Check-valves, described check-valves is located at the hot water inlet of described combustion and refluxes to prevent the water of the hot water inlet of described combustion;
Flow sensor, described flow sensor is located at described combustion hot water outlet place;
Multiple cold water outlet pipe, multiple described cold water outlet pipe is connected with described cold water inlet respectively, and each described cold water outlet pipe has cold water water end (W.E.);
Electric heater, described electric heater has electric heating water inlet and electric heating delivery port, and described electric heating water inlet is connected with described combustion hot water outlet by hot water conveying pipe;
Multiple electric heating hot water outlet pipe, multiple described electric heating hot water outlet pipe is connected with described electric heating delivery port respectively, and each described electric heating hot water outlet pipe has electric heating hot water water end (W.E.);
Central controller, described central controller respectively with described gas heater, described flow sensor and described electric heater communication.
2. the electric complementary hot-water system of combustion according to claim 1, is characterized in that, described check-valves is located on described cold water inlet and the hot water inlet of contiguous described combustion is arranged.
3. the electric complementary hot-water system of combustion according to claim 1, is characterized in that, described flow sensor is located at described hot water conveying pipe and goes up and contiguous described combustion hot water outlet setting.
4. the electric complementary hot-water system of combustion according to claim 1, is characterized in that, described hot water conveying pipe is provided with pressure relief safety valve, and the contiguous described electric heating water inlet of described pressure relief safety valve is arranged.
5. the electric complementary hot-water system of combustion according to claim 1, is characterized in that, also comprise the hot hot water outlet pipe of combustion, described combustion hot hot water outlet pipe be connected with described hot water conveying pipe, and the hot hot water outlet pipe of described combustion has combustion hot water water end (W.E.).
6. the electric complementary hot-water system of combustion according to claim 5, is characterized in that, also comprise:
Fire hot lavatory basin, the hot lavatory basin of described combustion is connected with a described cold water water end (W.E.) with described combustion hot water water end (W.E.) respectively;
Multiple electric heating lavatory basin, each described electric heating lavatory basin respectively electric heating hot water water end (W.E.) described with is connected with a described cold water water end (W.E.);
Multiple gondola water faucet, each described gondola water faucet respectively electric heating hot water water end (W.E.) described with is connected with a described cold water water side.
7. a control method for the combustion electricity complementary hot-water system according to any one of claim 4-7, is characterized in that, comprise the following steps:
S1) water flow of described gas heater is detected;
S2) when the water flow of described gas heater be more than or equal to predetermined start flow and predetermined hold-time time, control described gas heater and start;
When the water flow of described gas heater is less than or equal to predetermined closedown flow and continues the described scheduled time, control described gas heater and close, wherein, described predetermined closedown flow is less than described predetermined startup flow.
8. the control method of the electric complementary hot-water system of combustion according to claim 7, is characterized in that, described predetermined startup flow is 3 Liter Per Minutes.
9. the control method of the electric complementary hot-water system of combustion according to claim 7, is characterized in that, described predetermined closedown flow is 2.5 Liter Per Minutes.
10. the control method of the electric complementary hot-water system of combustion according to claim 7, is characterized in that, the described scheduled time is 2 seconds.
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| CN201510070430.5A CN104676729B (en) | 2015-02-10 | 2015-02-10 | The electric complementary hot-water system of combustion and its control method |
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| CN201510070430.5A CN104676729B (en) | 2015-02-10 | 2015-02-10 | The electric complementary hot-water system of combustion and its control method |
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| CN104236113A (en) * | 2014-09-29 | 2014-12-24 | 芜湖美的厨卫电器制造有限公司 | Method for controlling water supply system |
| CN104236109A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Control method and control device of constant-temperature gas water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200797Y (en) * | 1994-05-06 | 1995-06-14 | 欧大江 | Low water pressure start and preventing empty burning device for automatic hot-water apparatus |
| JP2009264732A (en) * | 2008-04-29 | 2009-11-12 | Yutan Ri | Hot water system |
| CN104236109A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Control method and control device of constant-temperature gas water heater |
| CN203824042U (en) * | 2014-04-28 | 2014-09-10 | 芜湖美的厨卫电器制造有限公司 | Hot water system |
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Effective date of registration: 20221031 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |