CN110595075A - Method and system for controlling outlet water temperature of gas water heater - Google Patents
Method and system for controlling outlet water temperature of gas water heater Download PDFInfo
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- CN110595075A CN110595075A CN201910958585.0A CN201910958585A CN110595075A CN 110595075 A CN110595075 A CN 110595075A CN 201910958585 A CN201910958585 A CN 201910958585A CN 110595075 A CN110595075 A CN 110595075A
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- gas
- water heater
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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 method and a system for controlling the outlet water temperature of a gas water heater, wherein the control system comprises a control module, a temperature acquisition module and an adjusting device; the temperature acquisition module is used for acquiring an environmental temperature value and sending the environmental temperature value to the control module; the control module is used for triggering the adjusting device to start to work according to the environment temperature value; the adjusting device is used for adjusting the gas intake quantity of the gas water heater. The invention can electrically control and adjust the gas inflow of the gas water heater according to the current environment temperature, and simultaneously control the current value in the gas proportional valve and the wind speed of the fan, so as to adaptively reduce or increase the gas combustion amount and reduce or increase the operation load of the gas water heater, thereby ensuring that the outlet water temperature meets the use requirement of a user, improving the use experience of the user and simultaneously improving the use performance of the gas water heater.
Description
Technical Field
The invention relates to the technical field of water heater control, in particular to a method and a system for controlling the outlet water temperature of a gas water heater.
Background
With the rapid development of water heater technology, water heaters have become essential household appliances in people's lives. However, taking a gas water heater as an example, the existing water heater has the same outlet water temperature and the same operation load no matter in summer or winter, and has the problems that the outlet water temperature cannot be adaptively changed according to the change of seasonal temperature, the operation load cannot be adaptively increased or reduced, that is, the existing gas water heater cannot meet the use requirements of users, and the performance advantages of the existing gas water heater cannot be reasonably exerted.
Disclosure of Invention
The invention aims to overcome the defects that the gas water heater in the prior art cannot adaptively change the outlet water temperature according to the seasonal temperature change and cannot adaptively adjust the operation load, and provides a method and a system for controlling the outlet water temperature of the gas water heater.
The invention solves the technical problems through the following technical scheme:
the invention provides a control system for the outlet water temperature of a gas water heater, which comprises a control module, a temperature acquisition module and an adjusting device, wherein the control module is used for acquiring the outlet water temperature of the gas water heater;
the control module is electrically connected with the temperature acquisition module and the adjusting device respectively;
the temperature acquisition module is used for acquiring an environmental temperature value and sending the environmental temperature value to the control module;
the control module is used for triggering the adjusting device to start to work according to the environment temperature value;
the adjusting device is used for adjusting the gas inlet amount of the gas water heater;
wherein, the gas air input and the water outlet temperature are in positive correlation.
Preferably, the adjusting device comprises a supporting frame, an electric control mechanism and two adjusting plates;
the two adjusting plates are arranged on the supporting frame in parallel;
the electric control mechanism is connected with the two adjusting plates;
the electric control mechanism is electrically connected with the control module;
the control module is used for controlling the electric control mechanism to drive the two adjusting plates to move towards or away from each other;
the two adjusting plates are arranged above a plurality of gas inlet holes of the gas water heater, and the plurality of gas inlet holes are distributed between the two adjusting plates;
the distance between the two adjusting plates is larger than the aperture of a gas outlet of the gas water heater.
Preferably, said electric control means comprise at least two electromagnetic control units;
the electromagnetic control unit comprises a magnet and a coil;
wherein the magnet of each of the electromagnetic control units is disposed on one of the adjusting plates, and the coil corresponding to the magnet is disposed at a relative position to the other of the adjusting plates.
Preferably, said electric control mechanism comprises two said electromagnetic control units;
the two electromagnetic control units are respectively arranged at two ends of the two adjusting plates.
Preferably, the control system further comprises a current generation module;
the current generation module is respectively and electrically connected with the control module and the electromagnetic control unit; when the environmental temperature value is greater than a first set threshold value, the control module is used for controlling the current generation module to generate a first current;
the electromagnetic control unit is used for controlling the two adjusting plates to move in opposite directions according to the first current;
when the environmental temperature value is smaller than a second set threshold value, the control module is used for controlling the current generation module to generate a second current;
the electromagnetic control unit is used for controlling the two adjusting plates to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
Preferably, when the ambient temperature value is greater than the first set threshold, the control module is further configured to reduce a current value in a gas proportional valve of the gas water heater and reduce a wind speed of a fan;
and when the environment temperature value is smaller than the second set threshold value, the control module is also used for increasing the current value in a gas proportional valve of the gas water heater and increasing the wind speed of a fan.
Preferably, a groove is formed in the position, corresponding to the gas outlet hole, of the adjusting plate; and/or the presence of a gas in the gas,
the temperature acquisition module comprises a temperature sensor.
The invention also provides a control method of the outlet water temperature of the gas water heater, which is realized by adopting the control system of the outlet water temperature of the gas water heater, and the control method comprises the following steps:
the temperature acquisition module acquires an environmental temperature value and sends the environmental temperature value to the control module;
the control module triggers the adjusting device to start to work according to the environmental temperature value;
the adjusting device adjusts the gas inlet amount of the gas water heater;
wherein, the gas air input and the water outlet temperature are in positive correlation.
Preferably, when the control system includes a current generation module and the adjusting device includes an electromagnetic control unit, the control method further includes:
when the environmental temperature value is larger than a first set threshold value, the control module controls the current generation module to generate a first current;
the electromagnetic control unit controls the two adjusting plates to move oppositely according to the first current;
when the environmental temperature value is smaller than a second set threshold value, the control module controls the current generation module to generate a second current;
the electromagnetic control unit controls the two adjusting plates to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
Preferably, the control method further includes:
when the environment temperature value is larger than the first set threshold value, the control module reduces the current value in a gas proportional valve of the gas water heater and reduces the wind speed of a fan;
and when the environmental temperature value is smaller than the second set threshold value, the control module increases the current value in a gas proportional valve of the gas water heater and increases the wind speed of a fan.
The positive progress effects of the invention are as follows:
according to the invention, the gas intake quantity of the gas water heater can be electrically controlled and adjusted according to the current environment temperature, and the current value in the gas proportional valve and the wind speed of the fan are controlled at the same time, so that when the environment temperature is higher, the gas combustion quantity is adaptively reduced, the operation load of the gas water heater is reduced, and the bathing temperature of a user is ensured not to be too high; when ambient temperature is than lower, increase gas combustion volume adaptively, increase gas heater's running load to guarantee that user's shower temperature can not hang down excessively, and then promoted gas heater's performance, promoted user's use and experienced.
Drawings
Fig. 1 is a block diagram of a control system for the outlet water temperature of a gas water heater according to embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of a system for controlling the outlet water temperature of a gas water heater according to embodiment 2 of the present invention.
Fig. 3 is a schematic block diagram of a system for controlling the outlet water temperature of a gas water heater according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of a system for controlling the outlet water temperature of a gas water heater according to embodiment 2 of the present invention.
Fig. 5 is a flowchart of a method for controlling the outlet water temperature of a gas water heater according to embodiment 3 of the present invention.
Fig. 6 is a flowchart of a method for controlling the outlet water temperature of a gas water heater according to embodiment 4 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the system for controlling the outlet water temperature of the gas water heater of the present embodiment includes a control module 1, a temperature obtaining module 2 and an adjusting device 3.
The control module 1 is respectively electrically connected with the temperature acquisition module 2 and the adjusting device 3;
the temperature acquisition module 2 is used for acquiring an environmental temperature value and sending the environmental temperature value to the control module 1;
wherein, the temperature acquisition module includes but is not limited to a temperature sensor.
The control module 1 is used for triggering the adjusting device 3 to start working according to the environmental temperature value;
the adjusting device 3 is used for adjusting the gas intake of the gas water heater;
wherein, the gas air input and the water outlet temperature are in positive correlation.
Specifically, when the ambient temperature is higher, the adjusting device adaptively reduces the gas intake amount of the gas water heater, so that the purposes of reducing the gas combustion amount in the gas water heater and reducing the operation load of the gas water heater are achieved, and the bathing temperature of a user is not overhigh; when the ambient temperature is lower, the adjusting device adaptively increases the gas air inflow of the gas water heater, so that the purposes of increasing the gas combustion quantity in the gas water heater and increasing the running load of the gas water heater are achieved, and the bathing temperature of a user is not too low.
In this embodiment, can reduce or increase gas combustion volume, reduce or increase gas heater's running load according to current ambient temperature electric control adjusts gas water heater's gas air input, adaptability to guarantee that leaving water temperature satisfies user's user demand, promoted user's use and experienced, also promoted gas water heater's performance simultaneously.
Example 2
As shown in fig. 2, the system for controlling the outlet water temperature of the gas water heater of the present embodiment is a further improvement of embodiment 1, specifically:
the adjusting device 3 comprises a supporting frame 4, an electric control mechanism 5 and two adjusting plates 6.
The two adjusting plates 6 are arranged on the support frame 4 in parallel;
in particular, the adjustment plate may be displaceable by sliding on the support frame.
The electric control mechanism 5 is connected with two adjusting plates 6;
the electric control mechanism 5 is electrically connected with the control module 1;
the control module 1 is used for controlling the electric control mechanism to drive the two adjusting plates 6 to move towards or away from each other.
The two adjusting plates are arranged above a plurality of gas inlet holes of the gas water heater, and the plurality of gas inlet holes are distributed between the two adjusting plates;
the distance between the two adjusting plates is larger than the aperture of a gas outlet of the gas water heater.
The position of the adjusting plate corresponding to the gas outlet hole is provided with a groove.
The shape of the groove can be correspondingly arranged according to the shape of the gas outlet hole, and the groove is arranged to ensure that the gas in the gas outlet hole can be smoothly sprayed out when the distance between the two adjusting plates is smaller.
When the two adjusting plates 6 move oppositely, the gas inlet amount of the gas water heater is reduced; when the two adjusting plates 6 move back to back, the gas inlet amount of the gas water heater is increased.
Specifically, as shown in fig. 3, the electric control mechanism 5 includes at least two electromagnetic units 7;
the electromagnetic control unit 7 includes a magnet 8 and a coil 9;
wherein the magnet of each of the electromagnetic control units is disposed on one of the adjusting plates, and the coil corresponding to the magnet is disposed at a relative position to the other adjusting plate.
Specifically, when current exists in the coil, the current and the magnet generate interaction force, and the adjusting plate is driven to move; the moving direction of the adjusting plate is controlled by controlling the direction of the current, and the moving speed and the moving distance of the adjusting plate are controlled by controlling the magnitude of the current.
Preferably, as shown in fig. 4, the electric control mechanism 5 comprises two electromagnetic control units (magnet 8 and coil 9);
the two electromagnetic control units are respectively arranged at two ends of the two adjusting plates 5.
Wherein, A represents the gas inlet hole of the gas water heater, B represents the gas outlet hole of the gas water heater, and C represents the groove on the regulating plate.
The control system further comprises a current generation module 10;
the control module 1 and the electromagnetic control unit 7 are electrically connected with the current generation module 10;
when the ambient temperature value is greater than a first set threshold, the control module 1 is configured to control the current generation module 10 to generate a first current;
the electromagnetic control unit 7 is used for controlling the two adjusting plates 6 to move towards each other according to the first current;
when the ambient temperature value is smaller than a second set threshold, the control module 1 is configured to control the current generation module 10 to generate a second current;
the electromagnetic control unit 7 is used for controlling the two adjusting plates 6 to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
In addition, when the ambient temperature value is greater than the first set threshold value, the control module 1 is further configured to reduce a current value in a gas proportional valve of the gas water heater and reduce a wind speed of the fan, so as to reduce an operation load of the gas water heater.
When the ambient temperature value is smaller than the second set threshold value, the control module 1 is further configured to increase a current value in a gas proportional valve of the gas water heater and increase a wind speed of the fan, so as to increase an operation load of the gas water heater.
In the embodiment, the gas intake amount of the gas water heater can be electrically controlled and adjusted according to the current ambient temperature, and the current value in the gas proportional valve and the wind speed of the fan are controlled simultaneously, so that when the ambient temperature is higher, the gas combustion amount is adaptively reduced, the operation load of the gas water heater is reduced, and the bathing temperature of a user is not overhigh; when ambient temperature is than lower, increase gas combustion volume adaptively, increase gas heater's running load to guarantee that user's shower temperature can not hang down excessively, and then promoted gas heater's performance, promoted user's use and experienced.
Example 3
The method for controlling the outlet water temperature of the gas water heater in this embodiment is implemented by using the outlet water temperature control system of the gas water heater in any one of embodiments 1 or 2.
As shown in fig. 5, the method for controlling the outlet water temperature of the gas water heater of the present embodiment includes:
s101, a temperature acquisition module acquires an environmental temperature value and sends the environmental temperature value to a control module;
s102, the control module triggers the adjusting device to start working according to the environmental temperature value;
s103, adjusting the gas intake quantity of the gas water heater by an adjusting device;
wherein, the gas air input and the water outlet temperature are in positive correlation.
Specifically, when the ambient temperature is higher, the adjusting device adaptively reduces the gas intake amount of the gas water heater, so that the purposes of reducing the gas combustion amount in the gas water heater and reducing the operation load of the gas water heater are achieved, and the bathing temperature of a user is not overhigh; when the ambient temperature is lower, the adjusting device adaptively increases the gas air inflow of the gas water heater, so that the purposes of increasing the gas combustion quantity in the gas water heater and increasing the running load of the gas water heater are achieved, and the bathing temperature of a user is not too low.
In this embodiment, can reduce or increase gas combustion volume, reduce or increase gas heater's running load according to current ambient temperature electric control adjusts gas water heater's gas air input, adaptability to guarantee that leaving water temperature satisfies user's user demand, promoted user's use and experienced, also promoted gas water heater's performance simultaneously.
Example 4
As shown in fig. 6, the method for controlling the outlet water temperature of the gas water heater of the present embodiment is a further improvement of embodiment 3, and specifically:
when the control system comprises a current generation module and the regulating means comprises an electromagnetic control unit, step S103 comprises:
s1031, when the environmental temperature value is larger than a first set threshold value, the control module controls the current generation module to generate a first current;
the electromagnetic control unit controls the two adjusting plates to move oppositely according to the first current;
when the environmental temperature value is smaller than a second set threshold value, the control module controls the current generation module to generate a second current;
the electromagnetic control unit controls the two adjusting plates to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
When the two adjusting plates move oppositely, the gas inlet amount of the gas water heater is reduced; when the two adjusting plates move back to back, the gas inlet amount of the gas water heater is increased.
The method for controlling the outlet water temperature of the gas water heater in the embodiment further comprises the following steps:
s104, when the ambient temperature value is larger than a first set threshold value, the control module reduces the current value in a gas proportional valve of the gas water heater and reduces the wind speed of a fan to reduce the operation load of the gas water heater;
when the ambient temperature value is smaller than a second set threshold value, the control module increases the current value in the gas proportional valve of the gas water heater and increases the wind speed of the fan to increase the operation load of the gas water heater.
In the embodiment, the gas air inflow of the gas water heater can be electrically controlled and adjusted according to the current ambient temperature, and the current value in the gas proportional valve and the air speed of the fan are simultaneously controlled, so that the ambient temperature ratio is obtainedAt higher times, adaptively decreases The combustion quantity of the gas reduces the operation load of the gas water heater, thereby ensuringThe bath temperature of the user is not too high(ii) a When ambient temperature is than lower, increase gas combustion volume adaptively, increase gas heater's running load to guarantee that user's shower temperature can not hang down excessively, and then promoted gas heater's performance, promoted user's use and experienced.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The control system for the outlet water temperature of the gas water heater is characterized by comprising a control module, a temperature acquisition module and an adjusting device;
the control module is electrically connected with the temperature acquisition module and the adjusting device respectively;
the temperature acquisition module is used for acquiring an environmental temperature value and sending the environmental temperature value to the control module;
the control module is used for triggering the adjusting device to start to work according to the environment temperature value;
the adjusting device is used for adjusting the gas inlet amount of the gas water heater;
wherein, the gas air input and the water outlet temperature are in positive correlation.
2. The system for controlling the outlet water temperature of a gas water heater as claimed in claim 1, wherein said adjusting means comprises a support frame, an electric control mechanism and two adjusting plates;
the two adjusting plates are arranged on the supporting frame in parallel;
the electric control mechanism is connected with the two adjusting plates;
the electric control mechanism is electrically connected with the control module;
the control module is used for controlling the electric control mechanism to drive the two adjusting plates to move towards or away from each other;
the two adjusting plates are arranged above a plurality of gas inlet holes of the gas water heater, and the plurality of gas inlet holes are distributed between the two adjusting plates;
the distance between the two adjusting plates is larger than the aperture of a gas outlet of the gas water heater.
3. The gas water heater leaving water temperature control system according to claim 2, wherein said electric control means comprises at least two electromagnetic control units;
the electromagnetic control unit comprises a magnet and a coil;
wherein the magnet of each of the electromagnetic control units is disposed on one of the adjusting plates, and the coil corresponding to the magnet is disposed at a relative position to the other of the adjusting plates.
4. The gas water heater leaving water temperature control system according to claim 3, wherein said electric control means comprises two said electromagnetic control units;
the two electromagnetic control units are respectively arranged at two ends of the two adjusting plates.
5. The gas water heater leaving water temperature control system of claim 3, wherein said control system further comprises a current generation module;
the current generation module is respectively and electrically connected with the control module and the electromagnetic control unit;
when the environmental temperature value is greater than a first set threshold value, the control module is used for controlling the current generation module to generate a first current;
the electromagnetic control unit is used for controlling the two adjusting plates to move in opposite directions according to the first current;
when the environmental temperature value is smaller than a second set threshold value, the control module is used for controlling the current generation module to generate a second current;
the electromagnetic control unit is used for controlling the two adjusting plates to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
6. The system for controlling the outlet water temperature of a gas water heater according to claim 5, wherein when the ambient temperature value is greater than the first set threshold, the control module is further configured to reduce a current value in a gas proportional valve of the gas water heater and reduce a wind speed of a fan;
and when the environment temperature value is smaller than the second set threshold value, the control module is also used for increasing the current value in a gas proportional valve of the gas water heater and increasing the wind speed of a fan.
7. The system for controlling the outlet water temperature of a gas water heater as claimed in claim 2, wherein a groove is formed at a position of the adjusting plate corresponding to the gas outlet hole; and/or the presence of a gas in the gas,
the temperature acquisition module comprises a temperature sensor.
8. A method for controlling the outlet water temperature of a gas water heater, which is implemented by using the outlet water temperature control system of the gas water heater as claimed in any one of claims 1 to 7, and comprises the following steps:
the temperature acquisition module acquires an environmental temperature value and sends the environmental temperature value to the control module;
the control module triggers the adjusting device to start to work according to the environmental temperature value;
the adjusting device adjusts the gas inlet amount of the gas water heater;
wherein, the gas air input and the water outlet temperature are in positive correlation.
9. The method of claim 8, wherein when said control system includes a current generation module and said regulating means includes an electromagnetic control unit, said method further comprises:
when the environmental temperature value is larger than a first set threshold value, the control module controls the current generation module to generate a first current;
the electromagnetic control unit controls the two adjusting plates to move oppositely according to the first current;
when the environmental temperature value is smaller than a second set threshold value, the control module controls the current generation module to generate a second current;
the electromagnetic control unit controls the two adjusting plates to move back to back according to the second current;
wherein the first set threshold is greater than the second set threshold;
the first current and the second current have opposite current directions.
10. The method for controlling the leaving water temperature of a gas water heater according to claim 9, wherein the method further comprises:
when the environment temperature value is larger than the first set threshold value, the control module reduces the current value in a gas proportional valve of the gas water heater and reduces the wind speed of a fan;
and when the environmental temperature value is smaller than the second set threshold value, the control module increases the current value in a gas proportional valve of the gas water heater and increases the wind speed of a fan.
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| CN201910958585.0A CN110595075B (en) | 2019-10-10 | 2019-10-10 | Method and system for controlling outlet water temperature of gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910958585.0A CN110595075B (en) | 2019-10-10 | 2019-10-10 | Method and system for controlling outlet water temperature of gas water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378089A (en) * | 2020-10-21 | 2021-02-19 | 华帝股份有限公司 | Method for reducing minimum load of gas water heater and gas water heater using same |
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