CN109579263A - A kind of gas heater and control method - Google Patents
A kind of gas heater and control method Download PDFInfo
- Publication number
- CN109579263A CN109579263A CN201710893571.6A CN201710893571A CN109579263A CN 109579263 A CN109579263 A CN 109579263A CN 201710893571 A CN201710893571 A CN 201710893571A CN 109579263 A CN109579263 A CN 109579263A
- Authority
- CN
- China
- Prior art keywords
- fire row
- solenoid valve
- valve
- row group
- water
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000007789 gas Substances 0.000 claims abstract description 44
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 239000002737 fuel gas Substances 0.000 claims abstract description 5
- 239000000567 combustion gas Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
A kind of gas heater, including heat exchanger (3), combustion chamber (31), fire row, fuel gas conduit (7), blower (8), water inlet pipe (4), outlet pipe (5) and controller (10), it is characterized in that the inlet end of the gas ratio valve (6) is equipped with the first solenoid valve (11), the fire row is by the first fire row group (21), second fire row group (22) and third fire row group (23) composition, the water inlet pipe (4) is equipped with second temperature sensor (42) and flow sensor (41), the controller (10) and the first solenoid valve (11), second solenoid valve (12), third solenoid valve (13), 4th solenoid valve (14), second temperature sensor (42) and flow sensor (41) control connection.The invention also discloses the control methods of the gas heater.Fire row is by three stage control, and by the adjustable range further expansion of gas ratio valve, water heater can switch in normal mode, summer mode and winter modes, can be rapidly achieved set temperature, and user is easy to adjust, is conducive to improve comfort.
Description
Technical field
The present invention relates to a kind of water heater more particularly to a kind of gas heaters.The invention further relates to the gas heaters
Control method.
Background technique
Existing gas heater is usually two sections of fire row combustion technologies, i.e., is fired simultaneously when it is cold using two sections of fire rows
It burns, to heat water rapidly, when day heat, one section of fire row work, water temperature can not have to too high.Relevant document can be with reference to special
Benefit number is Chinese utility model patent " fire lighting and shifting control device of gas water heater " (Granted publication of ZL200820040703.7
Number be CN201237366Y)；The Chinese utility model patent that can be 201620167934.9 with referenced patent number " has segmentation
The forced exhaust water heater of fire row control function " (Authorization Notice No. CN205448334U).
Although the prior art has been segmented into the burning of water heater and controls, energy consumption reduction is realized, is controlled convenient for water temperature
Purpose, but summer, in use, since gas ratio valve has been transferred to minimum zone, minimum thermic load is still very big, out water temperature
Spend higher, while water flow has small, and when adjusting is easy to cut again valve and stops working, and influences the experience sense and comfort of bathing, needs to improve.
Summary of the invention
It can be dropped when the technical problem to be solved by the present invention is to provide a kind of summer use for the above-mentioned state of the art
Low minimum load is to guarantee the gas heater of leaving water temperature and water yield.
Another technical problem to be solved by this invention is to provide a kind of summer use for the above-mentioned state of the art
When can reduce minimum load to guarantee the gas heater control method of leaving water temperature and water yield.
The technical scheme of the invention to solve the technical problem is: a kind of gas heater, including
Heat exchanger；
Combustion chamber is set to below aforesaid heat exchangers；
Fire row is set in previous combustion room；
Fuel gas conduit, inlet end are equipped with gas ratio valve and are connected to fire row above-mentioned；
Blower, outlet side are connect with fire row above-mentioned；
Water inlet pipe is passed into heat exchanger above-mentioned；
Outlet pipe is passed into heat exchanger above-mentioned and connect with water inlet pipe above-mentioned, which is equipped with the first temperature
Spend sensor；And
Controller is connected with gas ratio valve above-mentioned and the control of the first temperature sensor；
It is characterized in that the inlet end of the gas ratio valve is equipped with the first solenoid valve, the fire row is by the first fire row
Group, the second fire row group and third fire row group composition, the first fire row group and third fire row group above-mentioned by the first combustion gas branch pipe with
Gas ratio valve connection, the second fire row group above-mentioned are connect by the second combustion gas branch pipe with gas ratio valve, aforementioned first combustion gas
Branch pipe and the second combustion gas branch pipe are to be connected in parallel, and be respectively equipped with second solenoid valve and third solenoid valve, the third fire row
Group is controlled by the 4th solenoid valve；
The water inlet pipe is equipped with flow sensor, the controller and the first solenoid valve, second solenoid valve, third
Solenoid valve, the 4th solenoid valve and flow sensor control connection；
The controller is set with water flow preset value.
A kind of control method of gas heater, it is characterised in that include the following steps
1. the flow of inlet water of the water inlet pipe is greater than water flow preset value, the gas ratio valve, the first solenoid valve, the
Two solenoid valves and third solenoid valve are opened, the first fire row group and the burning of the second fire row group, gas proportion valve regulation, until water temperature out
Degree is equal to set temperature, and water heater enters normal mode；
2. leaving water temperature is also less than setting temperature when the gas ratio valve is transferred to maximum magnitude, then continue to open
4th solenoid valve, the burning of third fire row group, until leaving water temperature is equal to set temperature, water heater enters winter modes；
3. leaving water temperature is also greater than setting temperature when the gas ratio valve is transferred to minimum zone, then second is closed
Solenoid valve, the second fire row group are extinguished, until leaving water temperature is equal to set temperature, water heater enters summer mode.
Compared with the prior art, the advantages of the present invention are as follows: fire row is by three stage control, by the adjusting model of gas ratio valve
Enclose further expansion, water heater can switch in normal mode, summer mode and winter modes, especially summer mode when, only
There is one section of fire row burning, burning load is smaller, can be rapidly achieved set temperature, and user is easy to adjust, it is conducive to improve comfort,
And can guarantee water flow, greatly reduce and cut valve number, it is flame-out to avoid cutting valve bring, improves the stability of complete machine.
Detailed description of the invention
Fig. 1 is example structure schematic diagram.
Fig. 2 is embodiment control principle drawing.
Fig. 3 is embodiment control flow chart.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As depicted in figs. 1 and 2, the gas heater in the present embodiment includes heat exchanger 3, combustion chamber 31, fire row, fuel gas conduit
7, blower 8, water inlet pipe 4, outlet pipe 5 and controller 10, combustion chamber 31 are set to 3 lower section of heat exchanger；Fire row is set in combustion chamber 31.
7 inlet end of fuel gas conduit is equipped with gas ratio valve 6 and is connected to fire row；8 outlet side of blower is connect with fire row；Water inlet pipe
4 are passed into heat exchanger 3；Outlet pipe 5 is passed into heat exchanger 3 and connect with water inlet pipe 4, which is equipped with the first temperature
Spend sensor 51.
The inlet end of gas ratio valve 6 is equipped with the first solenoid valve 11, and fire row is by the first fire row group 21,22 and of the second fire row group
Third fire row group 23 forms, and the first fire row group 21 and third fire row group 23 are connected by the first combustion gas branch pipe 71 with gas ratio valve 6
It connects, the second fire row group 22 is connect by the second combustion gas branch pipe 72 with gas ratio valve 6, the first combustion gas branch pipe 71 and the second combustion gas branch
Pipe 72 is to be connected in parallel, and be respectively equipped with second solenoid valve 12 and third solenoid valve 13, and third fire row group 23 is controlled by the 4th electricity
Magnet valve 14.
Water inlet pipe 4 is equipped with flow sensor 41, controller 10 and gas ratio valve 6, the first temperature sensor 51, first
Solenoid valve 11, second solenoid valve 12, third solenoid valve 13, the 4th solenoid valve 14 and the control connection of flow sensor 41.
Controller 10 is set with water flow preset value.
As shown in connection with fig. 3, the control method of gas heater, includes the following steps
1. the flow of inlet water of water inlet pipe 4 is greater than water flow preset value, gas ratio valve 6, the first solenoid valve 11, the second electromagnetism
Valve 12 and third solenoid valve 13 are opened, the first fire row group 21 and the burning of the second fire row group 22, gas proportion valve regulation 6, until going out
Coolant-temperature gage is equal to set temperature, and water heater enters normal mode；
2. leaving water temperature is also less than setting temperature when gas ratio valve 6 is transferred to maximum magnitude, then continue to open the 4th
Solenoid valve 14, third fire row group 23 are burnt, until leaving water temperature is equal to set temperature, water heater enters winter modes；
3. leaving water temperature is also greater than setting temperature, then closes the second electromagnetism when gas ratio valve tune 6 arrives minimum zone
Valve 12, the second fire row group 22 are extinguished, until leaving water temperature is equal to set temperature, water heater enters summer mode.
Minimum load substantially reduces, and meets the water demand of user by reducing minimum load in summer；When in winter
By opening whole fire rows, set temperature can be rapidly achieved.It can reduce and cut valve number, avoid possible valve of cutting flame-out, mention
The stability of high system.
Claims (2)
1. a kind of gas heater, including
Heat exchanger (3)；
Combustion chamber (31) is set to below aforesaid heat exchangers (3)；
Fire row is set in previous combustion room (31)；
Fuel gas conduit (7), inlet end are equipped with gas ratio valve (6) and are connected to fire row above-mentioned；
Blower (8), outlet side are connect with fire row above-mentioned；
Water inlet pipe (4) is passed into heat exchanger above-mentioned (3)；
Outlet pipe (5) is passed into heat exchanger above-mentioned (3) and connect with water inlet pipe above-mentioned (4), sets on the outlet pipe (5)
There are the first temperature sensor (51)；And
Controller (10) is connected with gas ratio valve above-mentioned (6) and the first temperature sensor (51) control；
It is characterized in that
The inlet end of the gas ratio valve (6) is equipped with the first solenoid valve (11), and the fire row is by the first fire row group (21), the
Two fire row groups (22) and third fire row group (23) composition, the first fire row group (21) above-mentioned and third fire row group (23) pass through first
Combustion gas branch pipe (71) is connect with gas ratio valve (6), and the second fire row group (22) above-mentioned passes through the second combustion gas branch pipe (72) and combustion
Gas proportioning valve (6) connection, aforementioned first combustion gas branch pipe (71) and the second combustion gas branch pipe (72) are respectively equipped with the to be connected in parallel
Two solenoid valves (12) and third solenoid valve (13), the third fire row group (23) are controlled by the 4th solenoid valve (14)；
The water inlet pipe (4) is equipped with flow sensor (41), the controller (10) and the first solenoid valve (11), second
Solenoid valve (12), third solenoid valve (13), the 4th solenoid valve (14) and flow sensor (41) control connection；
The controller (10) is set with water flow preset value.
2. a kind of control method of gas heater described in claim 1, it is characterised in that include the following steps
1. the flow of inlet water of the water inlet pipe (4) is greater than water flow preset value, the gas ratio valve (6), the first solenoid valve
(11), second solenoid valve (12) and third solenoid valve (13) are opened, the first fire row group (21) and the burning of the second fire row group (22), combustion
Gas ratio valve regulation (6), until leaving water temperature is equal to set temperature, water heater enters normal mode；
2. leaving water temperature is also less than setting temperature when the gas ratio valve (6) is transferred to maximum magnitude, then continue opening
Four solenoid valves (14), third fire row group (23) burning, until leaving water temperature is equal to set temperature, water heater enters winter modes；
3. leaving water temperature is also greater than setting temperature when the gas ratio valve tune (6) arrives minimum zone, then the second electricity is closed
Magnet valve (12), the second fire row group (22) are extinguished, until leaving water temperature is equal to set temperature, water heater enters summer mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893571.6A CN109579263A (en) | 2017-09-28 | 2017-09-28 | A kind of gas heater and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893571.6A CN109579263A (en) | 2017-09-28 | 2017-09-28 | A kind of gas heater and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109579263A true CN109579263A (en) | 2019-04-05 |
Family
ID=65912989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710893571.6A Pending CN109579263A (en) | 2017-09-28 | 2017-09-28 | A kind of gas heater and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109579263A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542087A (en) * | 2019-09-12 | 2019-12-06 | 珠海格力电器股份有限公司 | sectional combustion device and gas heating equipment |
| CN110779209A (en) * | 2019-10-30 | 2020-02-11 | 宁波方太厨具有限公司 | Gas distribution device and combustion control method of water heater using same |
| CN111664571A (en) * | 2020-06-19 | 2020-09-15 | 海信(广东)厨卫系统有限公司 | Gas water heater and control method thereof |
| CN115289691A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
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|---|---|---|---|---|
| CN2497220Y (en) * | 2001-08-15 | 2002-06-26 | 郑国隆 | Forced exhausting water heater having automatic segment-controlling device |
| CN201041414Y (en) * | 2006-08-08 | 2008-03-26 | 高国民 | Automatic thermostatic gas water heater |
| CN201173591Y (en) * | 2008-01-22 | 2008-12-31 | 默洛尼卫生洁具(中国)有限公司 | Heating system with multi- power automatic select function |
| CN104676900A (en) * | 2015-01-16 | 2015-06-03 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN105387613A (en) * | 2015-12-07 | 2016-03-09 | 成都前锋电子有限责任公司 | Sectionalized combustion type gas-fired water heating furnace |
| CN207196901U (en) * | 2017-09-28 | 2018-04-06 | 宁波方太厨具有限公司 | A kind of gas heater |
-
2017
- 2017-09-28 CN CN201710893571.6A patent/CN109579263A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497220Y (en) * | 2001-08-15 | 2002-06-26 | 郑国隆 | Forced exhausting water heater having automatic segment-controlling device |
| CN201041414Y (en) * | 2006-08-08 | 2008-03-26 | 高国民 | Automatic thermostatic gas water heater |
| CN201173591Y (en) * | 2008-01-22 | 2008-12-31 | 默洛尼卫生洁具(中国)有限公司 | Heating system with multi- power automatic select function |
| CN104676900A (en) * | 2015-01-16 | 2015-06-03 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN105387613A (en) * | 2015-12-07 | 2016-03-09 | 成都前锋电子有限责任公司 | Sectionalized combustion type gas-fired water heating furnace |
| CN207196901U (en) * | 2017-09-28 | 2018-04-06 | 宁波方太厨具有限公司 | A kind of gas heater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542087A (en) * | 2019-09-12 | 2019-12-06 | 珠海格力电器股份有限公司 | sectional combustion device and gas heating equipment |
| CN110779209A (en) * | 2019-10-30 | 2020-02-11 | 宁波方太厨具有限公司 | Gas distribution device and combustion control method of water heater using same |
| CN110779209B (en) * | 2019-10-30 | 2024-01-19 | 宁波方太厨具有限公司 | Gas distribution device and combustion control method of water heater using same |
| CN111664571A (en) * | 2020-06-19 | 2020-09-15 | 海信(广东)厨卫系统有限公司 | Gas water heater and control method thereof |
| CN115289691A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
| CN115289691B (en) * | 2022-08-04 | 2024-05-24 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |