CN109340905A - A kind of external water pump system of gas-heating water heater and control method - Google Patents
A kind of external water pump system of gas-heating water heater and control method Download PDFInfo
- Publication number
- CN109340905A CN109340905A CN201811438443.3A CN201811438443A CN109340905A CN 109340905 A CN109340905 A CN 109340905A CN 201811438443 A CN201811438443 A CN 201811438443A CN 109340905 A CN109340905 A CN 109340905A
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- China
- Prior art keywords
- water pump
- flow value
- cpu controller
- connect
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000008236 heating water Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- 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 proposes that a kind of external water pump system of gas-heating water heater, including heat exchanger arranged in the box body, heat exchanger are connect with radiator, and radiator is connect with outer water pump, and outer water pump is connect with built-in water pump, and built-in water pump is connect with heat exchanger;It is provided with cpu controller on cabinet, is provided with flow sensor on outer water pump;When water route flow value L is less than default minimum starting flow value Lq, cpu controller issues frequency conversion instruction, controls outer water pump and is gradually increased output flow, until being equal to water route flow value L presets external water pump operation flow value Ly;When water route flow value L, which is greater than, presets external water pump operation flow value Ly, it is out of service that cpu controller controls outer water pump.The beneficial effects of the present invention are: can choose whether to open outer water pump according to the actual demand of user, increase the dynamic role of equipment, effectively improve heating effect, reduction expense is paid, high degree of automation, and overall utility is strong.
Description
Technical field
The present invention relates to a kind of external water pump system of gas-heating water heater and control methods.
Background technique
Existing gas-heating water heater system provided causes pipeline crooked position more often because pipeline installation is unreasonable,
So that system resistance is excessive, the water pump overload operation of gas-heating water heater is caused, gas-heating water heater is caused frequently to surpass
Temperature is flame-out, influences heating effect.At this moment since pipeline has been completed, the pipeline of especially some engineerings is the side using concealed installation
Formula, if it is desired to which changing pipeline will be a very great engineering.And after running one period, due to system pipeline
Fouling can further increase system resistance, and gas-heating water heater load is caused to be further aggravated, acceleration equipment aging.
The prior art is mostly in addition individually to increase water pump in heating terminal, increases the water route flow of system, guarantees heating effect
Fruit.And increase water pump and just need to increase corresponding control system, it so will increase equipment cost and operating cost, more than two
It will appear the nonsynchronous situation of operation between a water pump, reduce the operational efficiency and safety of gas-heating water heater water pump
Energy.
Summary of the invention
The present invention proposes a kind of external water pump system of gas-heating water heater, solves the problems, such as above-mentioned in the prior art.
The technical scheme of the present invention is realized as follows:
A kind of external water pump system of gas-heating water heater, including heat exchanger arranged in the box body, heat exchanger and heating
Piece connection, radiator are connect with outer water pump, and outer water pump is connect with built-in water pump, and built-in water pump is connect with heat exchanger;
It is provided with cpu controller on cabinet, is provided with flow sensor on outer water pump;
Cpu controller is electrically connected with built-in water pump;
Cpu controller is electrically connected with outer water pump;
Cpu controller is electrically connected with flow sensor.
Preferably, outer water pump is variable frequency pump.
A kind of control method of the external water pump system of gas-heating water heater, comprising the following steps:
S1:CPU controller dynamically obtains the water route flow value L of system by flow sensor;
S2: when water route flow value L is less than default minimum starting flow value Lq, cpu controller issues instruction, controls outer water pump
Starting;
When water route flow value L, which is greater than, presets external water pump operation flow value Ly, cpu controller controls outer water pump and stops fortune
Row.
Preferably, when water route flow value L is less than default minimum starting flow value Lq, cpu controller issues frequency conversion instruction,
It controls outer water pump and is gradually increased output flow, until flow value L in water route, which is equal to, presets external water pump operation flow value Ly.
The beneficial effects of the present invention are:
It can be chosen whether to open outer water pump according to the actual demand of user, increase the dynamic role of equipment, effectively improve heating effect
Fruit reduces expense and pays, high degree of automation, and overall utility is strong.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the external water pump system of gas-heating water heater of the present invention;
Fig. 2 is a kind of step schematic diagram of the external water pump system control method of gas-heating water heater of the present invention.
In figure:
1, cpu controller;2, flow sensor;3, cabinet;4, interior heat exchanger;5, radiator;6, outer water pump;7, built-in
Water pump.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown, the external water pump system of a kind of gas-heating water heater of the present invention, including be set in cabinet 3
Heat exchanger 4, heat exchanger 4 connect with radiator 5, and radiator 5 is connect with outer water pump 6, outer water pump 6 and built-in water pump
7 connections, built-in water pump 7 are connect with heat exchanger 4;
After gas-heating water heater starting, built-in water pump 7 starts, and makes water in system from heat exchanger 4s, followed by
Radiator 5, outer water pump 6, built-in water pump 7, return to heat exchanger 4, complete a circulation.
It is provided with cpu controller 1 on cabinet 3, is provided with flow sensor 2 on outer water pump 6;
Flow sensor 2 is for dynamically obtaining water route flow value L;
Cpu controller 1 is built-in to control program, for controlling the operation of entire gas-heating water heater system provided;
Cpu controller 1 is electrically connected with built-in water pump 7;
Cpu controller 1 is electrically connected with outer water pump 6;
Cpu controller 1 is electrically connected with flow sensor 2.
Preferably, outer water pump 6 is variable frequency pump.
Variable frequency pump is selected, the output flow of outer water pump 6 can be adjusted, arbitrarily to reach the design requirement of system.
A kind of control method of the external water pump system of gas-heating water heater, comprising the following steps:
S1:CPU controller 1 dynamically obtains the water route flow value L of system by flow sensor 2;
S2: when water route flow value L is less than default minimum starting flow value Lq, cpu controller 1 issues frequency conversion instruction, and control is outer
Water pump 6 starts, and is gradually increased output flow, until being equal to water route flow value L presets external water pump operation flow value Ly;
S3: when water route flow value L, which is greater than, presets external water pump operation flow value Ly, cpu controller 1 controls outer water pump 6 and stops
Only run.
Using frequency control, system operation can be made more steady.
The external water pump system of gas-heating water heater of the present invention and control method, can be according to the actual demand of user
It chooses whether to open outer water pump, increases the dynamic role of equipment, effectively improve heating effect, reduce expense expenditure, automate journey
Degree is high, and overall utility is strong.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of external water pump system of gas-heating water heater, including the heat exchanger (4) being set in cabinet (3), heat exchange
Device (4) is connect with radiator (5), and radiator (5) is connect with outer water pump (6), and outer water pump (6) connect with built-in water pump (7),
Built-in water pump (7) connect with heat exchanger (4);
It is provided on cabinet (3) cpu controller (1), is provided with flow sensor (2) on outer water pump (6);
Cpu controller (1) is electrically connected with built-in water pump (7);
Cpu controller (1) is electrically connected with outer water pump (6);
Cpu controller (1) is electrically connected with flow sensor (2).
2. the external water pump system of gas-heating water heater according to claim 1, outer water pump (6) is variable frequency pump.
3. a kind of control method of the external water pump system of gas-heating water heater, comprising the following steps:
S1:CPU controller (1) dynamically obtains the water route flow value L of system by flow sensor (2);
S2: when water route flow value L is less than default minimum starting flow value Lq, cpu controller (1) issues instruction, controls external
Water pump (6) starting;
S3: when water route flow value L, which is greater than, presets external water pump operation flow value Ly, cpu controller (1) controls outer water pump
(6) out of service.
4. the control method of the external water pump system of gas-heating water heater according to claim 3, when water route, flow value L is small
When default minimum starting flow value Lq, cpu controller (1) issues frequency conversion instruction, controls outer water pump (6) and is gradually increased output
Flow, until flow value L in water route, which is equal to, presets external water pump operation flow value Ly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811438443.3A CN109340905A (en) | 2018-11-29 | 2018-11-29 | A kind of external water pump system of gas-heating water heater and control method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811438443.3A CN109340905A (en) | 2018-11-29 | 2018-11-29 | A kind of external water pump system of gas-heating water heater and control method |
Publications (1)
Publication Number | Publication Date |
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CN109340905A true CN109340905A (en) | 2019-02-15 |
Family
ID=65318684
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CN201811438443.3A Pending CN109340905A (en) | 2018-11-29 | 2018-11-29 | A kind of external water pump system of gas-heating water heater and control method |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009139602A2 (en) * | 2008-05-16 | 2009-11-19 | (주) 피아이피 | A cold/hot water supply system with a thermo valve case facilitating control of temperature and distributtion/shutoff of mixed water, and a method of constructing the thermo valve case |
CN201662211U (en) * | 2010-04-15 | 2010-12-01 | 广东万家乐燃气具有限公司 | Dual-water-pump gas-fired heating and hot water boiler |
CN106610134A (en) * | 2015-10-21 | 2017-05-03 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method |
CN206430236U (en) * | 2016-12-29 | 2017-08-22 | 广东万和热能科技有限公司 | The combined system of gas-heating water heater and storage tank |
EP3270075A1 (en) * | 2016-07-13 | 2018-01-17 | Vaillant GmbH | Gas-fired water heater with external pump for regulating temperature of outlet water |
CN207378922U (en) * | 2017-09-22 | 2018-05-18 | 广东万和新电气股份有限公司 | A kind of auxiliary heating type gas-heating water heater |
CN208012069U (en) * | 2018-03-05 | 2018-10-26 | 广东万和新电气股份有限公司 | Gas heater and apply its water route pipe network |
CN209116443U (en) * | 2018-11-29 | 2019-07-16 | 广州万宝集团民权电器有限公司 | A kind of external water pump system of gas-heating water heater |
-
2018
- 2018-11-29 CN CN201811438443.3A patent/CN109340905A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009139602A2 (en) * | 2008-05-16 | 2009-11-19 | (주) 피아이피 | A cold/hot water supply system with a thermo valve case facilitating control of temperature and distributtion/shutoff of mixed water, and a method of constructing the thermo valve case |
CN201662211U (en) * | 2010-04-15 | 2010-12-01 | 广东万家乐燃气具有限公司 | Dual-water-pump gas-fired heating and hot water boiler |
CN106610134A (en) * | 2015-10-21 | 2017-05-03 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method |
EP3270075A1 (en) * | 2016-07-13 | 2018-01-17 | Vaillant GmbH | Gas-fired water heater with external pump for regulating temperature of outlet water |
CN206430236U (en) * | 2016-12-29 | 2017-08-22 | 广东万和热能科技有限公司 | The combined system of gas-heating water heater and storage tank |
CN207378922U (en) * | 2017-09-22 | 2018-05-18 | 广东万和新电气股份有限公司 | A kind of auxiliary heating type gas-heating water heater |
CN208012069U (en) * | 2018-03-05 | 2018-10-26 | 广东万和新电气股份有限公司 | Gas heater and apply its water route pipe network |
CN209116443U (en) * | 2018-11-29 | 2019-07-16 | 广州万宝集团民权电器有限公司 | A kind of external water pump system of gas-heating water heater |
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Application publication date: 20190215 |
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