CN111854143A - Gas water heater with gas saving function and gas saving control method - Google Patents
Gas water heater with gas saving function and gas saving control method Download PDFInfo
- Publication number
- CN111854143A CN111854143A CN201910338284.8A CN201910338284A CN111854143A CN 111854143 A CN111854143 A CN 111854143A CN 201910338284 A CN201910338284 A CN 201910338284A CN 111854143 A CN111854143 A CN 111854143A
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- Prior art keywords
- gas
- water heater
- current
- proportional valve
- assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
Abstract
The invention discloses a gas water heater with a gas saving function, which comprises a gas water heater body, a burner, a fan assembly, a gas saving assembly, a gas proportional valve and a controller arranged in the gas water heater body, wherein the burner is arranged in the gas water heater body and is communicated with a gas source through the gas proportional valve; the invention also discloses a gas saving control method of the gas water heater. The controller detects the current of the gas proportional valve in real time, and adjusts the opening of the gas saving assembly according to the corresponding relation between the preset current of the gas proportional valve and the opening of the gas saving assembly, so that the opening of the gas saving assembly is matched with the current load of the gas water heater, and the air quantity of the gas water heater with the constant-speed alternating-current fan is adjusted through the mode.
Description
Technical Field
The invention belongs to the technical field of gas water heaters, and particularly relates to a gas water heater with a water mixing prevention function and a water mixing prevention control method.
Background
The gas water heater is a device which takes gas as fuel and prepares hot water through gas combustion. Most of the existing gas water heaters are forced exhaust gas water heaters which are provided with fans; the other type of the constant-speed alternating-current fan is a direct-current variable-frequency fan, and the constant-speed alternating-current fan has the defects that when the fan is under low load, the air speed of the constant-speed fan cannot be reduced, so that the air volume is too large and a water heater cannot work normally under the low load, or the lowest load of the water heater cannot be too low due to the constant-speed fan of a gas water heater, so that the load regulation ratio of the water heater is too small, and the water temperature is too high in summer; although the high-end water heater with the direct-current variable-frequency fan can solve the problems, the direct-current variable-frequency fan is high in system cost and cannot be generally applied to a gas water heater.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the gas water heater with the gas saving function, the gas water heater is combusted at the optimal air ratio under different loads through the gas saving assembly, and the gas water heater has the advantage of low cost compared with a high-end water heater with a direct-current variable-frequency fan.
The invention also aims to provide a gas saving control method for the gas water heater.
The technical scheme adopted by the invention is that,
a gas water heater with a gas saving function,
it includes gas heater body, combustor, fan subassembly, solar terms subassembly, gas proportional valve and sets up at this internal controller of gas heater the combustor sets up this internal and communicate through gas proportional valve and gas source at gas heater, the fan subassembly is located the combustor top, the solar terms subassembly links with the fan subassembly and is used for adjusting the intake according to gas heater's different loads, solar terms subassembly and gas proportional valve all are connected with the controller.
Preferably, the throttle valve assembly comprises a motor and a throttle valve, and the motor is connected with the throttle valve and used for controlling the opening degree of the throttle valve.
Preferably, the fan assembly comprises a constant speed fan, an air inlet channel and an air outlet channel, the air inlet channel is communicated with the air outlet channel, and the constant speed fan is positioned between the air inlet channel and the air outlet channel.
Preferably, the throttle valve is located on an intake passage.
Preferably, the throttle valve is located on an exhaust passage.
Preferably, the controller is internally preset with a corresponding relation between the current of the gas proportional valve and the air volume of the fan assembly.
A gas saving control method for a gas water heater applies the gas water heater with the gas saving function, and the method specifically comprises the following steps:
and detecting the current of the gas proportional valve in real time, and adjusting the opening of the gas saving assembly according to the corresponding relation between the current of the gas proportional valve preset in the controller and the opening of the gas saving assembly to enable the current load of the gas water heater to be matched with the current load of the gas water heater.
Preferably, the correspondence between the current of the gas proportional valve preset in the controller and the opening degree of the throttle assembly is as follows:
detecting the current of the gas proportional valve under different loads, and forming a corresponding relation between the different loads and the current of the gas proportional valve;
detecting the opening degree of the air throttle assembly under different loads, and forming a corresponding relation between the different loads and the opening degree of the air throttle assembly;
and obtaining the corresponding relation between the current of the gas proportional valve and the opening degree of the air throttle component according to the corresponding relation between the different loads and the current of the gas proportional valve and the corresponding relation between the different loads and the opening degree of the air throttle component.
Preferably, the adjusting the opening degree of the throttle assembly specifically comprises:
the controller adjusts the opening of the throttle valve through the motor according to the current of the gas proportional valve, and then the opening of the throttle valve assembly is adjusted.
Preferably, the current of the gas proportional valve and the opening degree of the throttle assembly are in a linear and direct proportional relationship.
Compared with the prior art, when the air quantity regulating device is used, the controller detects the current of the gas proportional valve in real time, and regulates the opening of the air throttle component according to the corresponding relation between the preset current of the gas proportional valve and the opening of the air throttle component to be matched with the current load of the gas water heater, so that the air quantity of the gas water heater with the constant-speed alternating-current fan is regulated.
Drawings
FIG. 1 is a schematic structural diagram of a gas water heater with a gas saving function provided in embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a gas water heater with a gas saving function provided in embodiment 2 of the invention;
FIG. 3 is a flow chart of a throttle control method for a gas water heater according to embodiment 3 of the present invention.
The reference numbers are as follows:
1-gas water heater body, 2-burner, 3-fan component, 4-throttle component, 5-gas proportional valve, 6-controller, 31-constant speed fan, 32-gas inlet channel, 33-gas outlet channel, 41-motor and 42-throttle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment 1 of the invention provides a gas water heater with a gas saving function, as shown in fig. 1, the gas water heater comprises a gas water heater body 1, a burner 2, a fan assembly 3, a gas saving assembly 4, a gas proportional valve 5 and a controller 6 arranged in the gas water heater body 1, wherein the burner 2 is arranged in the gas water heater body 1 and is communicated with a gas source through the gas proportional valve 5, the fan assembly 3 is positioned above the burner 2, the gas saving assembly 4 is communicated with the fan assembly 3 and is used for adjusting the air intake according to different loads of the gas water heater, and the gas saving assembly 4 and the gas proportional valve 5 are both connected with the controller 6;
thus, by adopting the structure, the current of the gas proportional valve 5 is detected in real time, and the opening degree of the air throttle component 4 is adjusted according to the corresponding relation between the current of the gas proportional valve 5 preset in the controller 6 and the opening degree of the air throttle component 4, so that the current load of the gas water heater is matched, and the combustion is carried out according to the optimal air ratio.
The fan assembly 3 comprises a constant speed fan 31, an air inlet channel 32 and an air outlet channel 33, wherein the air inlet channel 32 is communicated with the air outlet channel 33, and the constant speed fan 31 is positioned between the air inlet channel 32 and the air outlet channel 33.
The throttle valve assembly 4 includes a motor 41 and a throttle valve 42, the motor 41 is connected to the throttle valve 42 for controlling the opening of the throttle valve 42, and the throttle valve 42 is located on the exhaust passage 33, i.e., installed behind the constant speed fan 31.
The controller 6 is internally preset with the corresponding relation between the current of the gas proportional valve 5 and the air quantity of the fan assembly 3.
The working process is as follows: the controller 6 detects the current of the gas proportional valve 5 in real time, adjusts the opening of the throttle valve 42 through the motor 41 according to the corresponding relation between the current of the gas proportional valve 5 preset in the controller 6 and the opening of the throttle assembly 4, controls the air volume on the exhaust channel 33, enables the air volume to be matched with the current load of the gas water heater, and burns with the optimal air ratio.
Example 2
Example 3
An embodiment 3 of the present invention provides a gas saving control method for a gas water heater, as shown in fig. 3, including the following steps:
wherein: the corresponding relations preset in the controller 6 are:
detecting the current of the gas proportional valve 5 under different loads, and forming a corresponding relation between the different loads and the current of the gas proportional valve 5;
detecting the opening degree of the air throttle assembly 4 under different loads, and forming a corresponding relation between the different loads and the opening degree of the air throttle assembly 4;
and obtaining the corresponding relation between the current of the gas proportional valve 5 and the opening degree of the gas saving assembly 4 according to the corresponding relation between the different loads and the current of the gas proportional valve 5 and the corresponding relation between the different loads and the opening degree of the gas saving assembly 4.
In addition, in the embodiment, the throttle assembly 4 is arranged at the air inlet channel 32 or the air outlet channel 33 of the constant speed fan 31, and the opening degree of the throttle valve 42 is automatically adjusted according to the load of the gas water heater, so that the air quantity participating in combustion is adjusted, further the constant speed gas water heater is ensured to be combusted according to the preset air-fuel ratio under different loads, the optimal combustion working conditions of different load points are ensured, and in the lowest load, the air inlet quantity is less to participate in combustion by reducing the opening degree of the throttle valve, so that the minimum load of the gas water heater can be made smaller, the load adjustment ratio is increased, further the gas water heater can be ensured to normally work under a lower load (less gas enters into combustion), and the phenomenon that the water temperature of water used in summer is too high due to too high minimum load is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a gas heater with solar term function, its characterized in that, it includes gas heater body (1), combustor (2), fan subassembly (3), solar term subassembly (4), gas proportional valve (5) and set up controller (6) in gas heater body (1), combustor (2) set up in gas heater body (1) and communicate with the gas source through gas proportional valve (5), fan subassembly (3) are located combustor (2) top, solar term subassembly (4) and fan subassembly (3) intercommunication are used for adjusting the intake according to gas heater's different loads, solar term subassembly (4) and gas proportional valve (5) all are connected with controller (6).
2. A gas water heater with a throttle function according to claim 1, characterized in that the throttle assembly (4) comprises a motor (41) and a throttle valve (42), the motor (41) is connected with the throttle valve (42) for controlling the opening degree of the throttle valve (42).
3. A gas water heater with a throttle function as defined in claim 2, wherein said fan assembly (3) comprises a constant speed fan (31), an intake passage (32) and an exhaust passage (33), said intake passage (32) and exhaust passage (33) being in communication, said constant speed fan (31) being located between the intake passage (32) and the exhaust passage (33).
4. A gas water heater with a throttle function as defined in claim 3 wherein said throttle valve (42) is located on the intake passage (32).
5. A gas water heater with a throttle function as defined in claim 3 wherein said throttle valve (42) is located on the exhaust passage (33).
6. The gas water heater with the gas saving function according to any one of claims 1 to 5, characterized in that the controller (6) is internally preset with the corresponding relation between the current of the gas proportional valve (5) and the air volume of the fan assembly (3).
7. A gas saving control method for a gas water heater, which is characterized in that the gas water heater with the gas saving function as claimed in any one of claims 1 to 6 is applied, and the method comprises the following steps:
and detecting the current of the gas proportional valve (5) in real time, and adjusting the opening degree of the gas saving assembly (4) according to the corresponding relation between the current of the gas proportional valve (5) preset in the controller (6) and the opening degree of the gas saving assembly (4) to be matched with the current load of the gas water heater.
8. The gas-saving control method for the gas water heater according to claim 7, characterized in that the correspondence between the current of the gas proportional valve (5) preset in the controller (6) and the opening degree of the gas-saving assembly (4) is as follows:
detecting the current of the gas proportional valve (5) under different loads, and forming a corresponding relation between the different loads and the current of the gas proportional valve (5);
detecting the opening degree of the air throttle assembly (4) under different loads, and forming a corresponding relation between the different loads and the opening degree of the air throttle assembly (4);
and obtaining the corresponding relation between the current of the gas proportional valve (5) and the opening degree of the gas saving assembly (4) according to the corresponding relation between the different loads and the current of the gas proportional valve (5) and the corresponding relation between the different loads and the opening degree of the gas saving assembly (4).
9. The gas-saving control method for the gas water heater according to claim 8, characterized in that the opening degree of the gas-saving assembly (4) is adjusted by:
the controller (6) adjusts the opening of the throttle valve (42) through the motor (41) according to the current of the gas proportional valve (5), and then the opening of the throttle valve assembly (4) is adjusted.
10. A gas water heater throttle control method according to any one of claims 7-9, characterized in that the current of the gas proportional valve (5) is in linear direct proportion with the opening of the throttle valve assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338284.8A CN111854143A (en) | 2019-04-25 | 2019-04-25 | Gas water heater with gas saving function and gas saving control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338284.8A CN111854143A (en) | 2019-04-25 | 2019-04-25 | Gas water heater with gas saving function and gas saving control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111854143A true CN111854143A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910338284.8A Pending CN111854143A (en) | 2019-04-25 | 2019-04-25 | Gas water heater with gas saving function and gas saving control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151976A (en) * | 2021-11-29 | 2022-03-08 | 广东万和新电气股份有限公司 | Gas water heater and blockage protection method and device thereof |
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2019
- 2019-04-25 CN CN201910338284.8A patent/CN111854143A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151976A (en) * | 2021-11-29 | 2022-03-08 | 广东万和新电气股份有限公司 | Gas water heater and blockage protection method and device thereof |
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