CN111928490A - Forced-blowing gas water heater and water heater control method - Google Patents
Forced-blowing gas water heater and water heater control method Download PDFInfo
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- CN111928490A CN111928490A CN202010823658.8A CN202010823658A CN111928490A CN 111928490 A CN111928490 A CN 111928490A CN 202010823658 A CN202010823658 A CN 202010823658A CN 111928490 A CN111928490 A CN 111928490A
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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
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Abstract
The invention discloses a forced-blowing gas water heater and a water heater control method, wherein the forced-blowing gas water heater control method comprises the following steps: the detection piece monitors the noise and compares the noise with a preset value; when the monitored volume is larger than a preset value, the controller regulates and controls the water valve to reduce or increase the water flow in the water pipe; and after the detection piece detects that the noise is smaller than the preset value, the controller regulates and controls the water valve to stop reducing the water flow. Through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a forced-blowing gas water heater and a water heater control method.
Background
It is known that in forced-air water heaters, when the vibration of the burner and the blower reaches a certain ratio, resonance occurs. The problem of resonance noise is a technical problem which is difficult to solve in the industry, and the strong-drum gas water heater with more excellent performance than the strong-pumping gas water heater is difficult to popularize in the market. At present, a sound insulation cavity is usually additionally arranged in a resonance noise processing mode, and a noise reduction structure in the sound insulation cavity is utilized to reduce noise. However, such noise reduction method has the disadvantages of high processing cost and poor noise reduction effect.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a forced-blowing gas water heater which can better reduce noise.
The invention also provides a water heater control method with the forced-blowing gas water heater.
The forced-induction gas water heater according to the embodiment of the first aspect of the invention comprises: a water tube comprising a water inlet and a water outlet; a burner capable of heating water in the water pipe; a water valve in communication with the water tube, the water valve capable of controlling water flow within the water tube; a blower device in communication with the burner, the blower device capable of blowing air to the burner; the noise control unit comprises a detection piece and a controller, the detection piece can detect the noise, the detection piece is electrically connected with the controller, the air blowing device and/or the water valve is electrically connected with the controller, and the controller can control the water flow in the water pipe and/or the air blowing of the air blowing device through the water valve; the comparison module is electrically connected with the controller, a preset value is set in the comparison module, and the comparison module can compare the noise detected by the detection piece with the preset value.
The forced-blowing gas water heater provided by the embodiment of the invention at least has the following beneficial effects: the detection piece can monitor the noise, the comparison module can compare the noise volume measured by the detection piece with a preset value, and when the noise volume is too large, the controller can control the water flow in the water pipe through the water valve so as to change the load of the burner, further change the vibration frequency relation between the burner and the air blowing device and avoid the resonance of the burner; or the controller directly controls the blowing size of the blowing device, so that the vibration frequency of the blowing device is changed, and the vibration frequency relation between the burner and the blowing device is changed, so that the burner is prevented from generating resonance.
Through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
According to some embodiments of the invention, a memory module is arranged in the controller, and the detection member, the water valve and the blowing device are all electrically connected with the memory module. The memory module enables the combustor to record the water flow and the blast size when resonance occurs, so that automatic skipping is performed when the combustor is started next time. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
According to some embodiments of the invention, the water pipe is connected to a heat exchanger, the heat exchanger being located between the water inlet and the water outlet, the burner being capable of heating the heat exchanger. The heat exchanger has the advantages of high efficiency and energy saving, so that the heat exchanger not only can greatly improve the efficiency of heating cold water, but also can save the energy required during heating, thereby improving the heating efficiency and reducing the time required by heating.
According to some embodiments of the invention, an air outlet is connected to the heat exchanger, the air outlet being located on opposite sides of the heat exchanger from the burner. The air outlet is communicated with the outside of the water heater, so that redundant hot gas and waste gas generated during combustion of the burner can be discharged to the outside of the water heater in time, and further safety accidents are avoided.
According to some embodiments of the invention, a heat dissipation fan is arranged at the air outlet. The cooling fan can drive the air at the air outlet to flow, so that redundant hot air and waste gas generated when the burner is accelerated to burn can be timely discharged to the outside of the water heater, and the safety performance of the water heater is greatly improved.
The water heater control method according to the second aspect embodiment of the invention includes the forced-induction gas water heater according to the above first aspect embodiment of the invention, and includes the steps of: A1. the detection piece detects noise and obtains the noise volume s1, the controller compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B1 is executed, otherwise, the step C1 is executed; B1. the controller regulates and controls the water valve to regulate the water flow in the water pipe, and after regulation, the step A1 is returned; C1. the controller regulates the water valve to regulate the water flow in the water pipe to be kept constant.
The water heater control method provided by the embodiment of the invention at least has the following beneficial effects: when the noise volume is too large, the controller can control the water flow in the water pipe through the water valve, so that the load of the burner is changed, the vibration frequency relation between the burner and the air blowing device is changed, and the burner is prevented from generating resonance. Through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
A water heater control method according to an embodiment of a third aspect of the present invention includes the forced-induction gas water heater according to the above-described embodiment of the first aspect of the present invention, and includes the steps of: A2. the detection piece detects noise and obtains the noise volume s1, the controller compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B2 and the step C2 are executed, and otherwise, the step D2 is executed; B2. the controller regulates and controls the water valve to regulate the water flow in the water pipe, and after regulation, the step A1 is returned; C2. the memory module memorizes a numerical value group G1 corresponding to the blast volume and the water flow for the blast volume of the blast device and the water flow controlled by the water valve; D2. the controller regulates and controls the water valve to regulate the water flow in the water pipe to be kept constant; E2. after the device is restarted, the controller controls the blowing device and/or the water valve to avoid the blowing amount and/or the water flow corresponding to the value group G1.
The water heater control method provided by the embodiment of the invention at least has the following beneficial effects: through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
The memory module enables the combustor to record the water flow and the blast size when resonance occurs, so that automatic skipping is performed when the combustor is started next time. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
According to some embodiments of the invention, in step D2, the memory module memorizes the blast volume when the water flow rate is kept constant and the value group G2 corresponding to the water flow rate; in step E2, the controller regulates the amount of air and water flow corresponding to the set of air and water valve values G2. The set of values G2 can provide a regulation indication to the controller so that the controller can quickly and directly regulate the amount of blast air and water flow to a less noisy value.
A water heater control method according to a fourth aspect embodiment of the present invention includes the forced-induction gas water heater according to the above-described first aspect embodiment of the present invention, and includes the steps of: A3. the detection piece detects noise and obtains the noise volume s1, the controller compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B3 is executed, otherwise, the step C3 is executed; B3. the controller regulates the blowing amount of the blowing device, and after regulation, the step A3 is returned; C3. the controller regulates the blowing device such that a blowing amount of the blowing device is kept constant.
The water heater control method provided by the embodiment of the invention at least has the following beneficial effects: when the noise volume is too large, the controller can change the vibration volume of the air blowing device through the air blowing volume of the air blowing device, so that the vibration frequency relation between the combustor and the air blowing device is changed, and the combustor is prevented from generating resonance. Through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
A water heater control method according to an embodiment of a fifth aspect of the present invention includes the forced-induction gas water heater according to the above-described embodiment of the first aspect of the present invention, and includes the steps of: A4. the detection piece detects noise and obtains the noise volume s1, the controller compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B4 and the step C4 are executed, and otherwise, the step D4 is executed; B4. the controller regulates the blowing amount of the blowing device, and after regulation, the step A1 is returned; C4. the memory module memorizes a numerical value group G1 corresponding to the blast volume and the water flow for the blast volume of the blast device and the water flow controlled by the water valve; D4. the controller regulates the blowing device so that the blowing amount of the blowing device is kept constant; E4. after the device is restarted, the controller controls the blowing device and/or the water valve to avoid the blowing amount and/or the water flow corresponding to the value group G1.
The water heater control method provided by the embodiment of the invention at least has the following beneficial effects: through the effect of noise control unit and contrast module for the water heater can avoid combustor and blast apparatus to take place resonance automatically, thereby has reduced the noise that produces because of resonance by a wide margin, and then has broken through the too big technical barrier of resonance noise of drum gas heater trade, and has automatic, reliable advantage.
The memory module enables the combustor to record the water flow and the blast size when resonance occurs, so that automatic skipping is performed when the combustor is started next time. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of one embodiment of a water heater control of the present invention;
FIG. 2 is a schematic diagram of another embodiment of a water heater control of the present invention;
fig. 3 is a schematic structural diagram of a forced-blowing gas water heater according to an embodiment of the invention.
Reference numerals: 100 is a water pipe, 110 is a water inlet, and 120 is a water outlet;
200 is a water valve;
300 is a burner, 310 is an air inlet, and 320 is a blower device;
400 is a heat exchanger, 450 is an air outlet;
500 is a detection piece;
600 is a controller.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a forced-draft gas water heater includes: the water pipe 100 comprises a water inlet 110 and a water outlet 120; the burner 300 can heat the water in the water pipe 100; the water valve 200 is communicated with the water pipe 100, and the water valve 200 can control the water flow in the water pipe 100; the air blowing device 320 is communicated with the burner 300, and the air blowing device 320 can blow air to the burner 300; the noise control unit comprises a detection piece 500 and a controller 600, the detection piece 500 can detect the noise, the detection piece 500 is electrically connected with the controller 600, the air blowing device 320 and/or the water valve 200 is electrically connected with the controller 600, and the controller 600 can control the water flow rate in the water pipe 100 and/or the air blowing of the air blowing device 320 through the water valve 200; the comparison module is electrically connected with the controller 600, a preset value is set in the comparison module, and the comparison module can compare the noise detected by the detection piece 500 with the preset value. The detecting member 500 may monitor the noise level, and the comparing module may compare the noise level measured by the detecting member 500 with a preset value, when the noise level is too high, the controller 600 may control the water flow rate in the water pipe 100 through the water valve 200, so as to change the load of the burner 300, and further change the vibration frequency relationship between the burner 300 and the blowing device 320, so as to prevent the burner 300 from generating resonance; alternatively, the controller 600 directly controls the amount of air blown by the air blowing device 320, so as to change the vibration frequency of the air blowing device 320, thereby causing the vibration frequency relationship between the burner 300 and the air blowing device 320 to be changed to avoid the resonance of the burner 300. Through the effect of the noise control unit and the comparison module, the water heater can automatically avoid the resonance between the burner 300 and the blower device 320, thereby greatly reducing the noise generated due to the resonance, further breaking through the technical barrier of the forced-air gas water heater industry about the overlarge resonance noise, and having the advantages of automation and reliability.
In some embodiments, referring to fig. 3, a memory module is disposed in the controller 600, and the detecting member 500, the water valve 200, and the blowing device 320 are electrically connected to the memory module. The memory module allows the burner 300 to record the water flow and blast size at resonance for automatic skipping at the next start. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
Specifically, the memory module includes a memory circuit. The memory circuit is a logic circuit with memory function. If a unit step signal is applied to the input terminal to make the circuit in a certain off state, then the input signal is removed and the circuit can still keep the state, i.e. the circuit is indicated to have the memory function. The bistable flip-flop is a basic memory circuit, and the magnetic element is also a memory element, by which components with memory capability, such as counters, registers, memories, and the like, can be formed.
In some embodiments, referring to fig. 3, the water pipe 100 is connected with a heat exchanger 400, the heat exchanger 400 is located between the water inlet 110 and the water outlet 120, and the burner 300 can heat the heat exchanger 400. The heat exchanger 400 has the advantage of high efficiency and energy saving, so that the heat exchanger 400 can not only greatly improve the efficiency of heating cold water, but also save the energy required for heating, thereby improving the heating efficiency and reducing the time required for heating.
In some embodiments, referring to fig. 3, the heat exchanger 400 is connected with an air outlet 450, and the air outlet 450 and the burner 300 are located at two opposite sides of the heat exchanger 400. The air outlet 450 is communicated with the outside of the water heater, so that redundant hot air and waste gas generated during combustion of the burner 300 can be timely discharged to the outside of the water heater, and further safety accidents are avoided.
In some embodiments, referring to fig. 3, a heat dissipation fan is disposed at the air outlet 450. The heat dissipation fan can drive the air at the air outlet 450 to flow, so that redundant hot air and waste gas generated when the burner 300 is accelerated to burn can be timely discharged to the outside of the water heater, and the safety performance of the water heater is greatly improved.
In certain embodiments, referring to fig. 3, the blower device 320 is a dc adjustable speed blower. The direct-current speed-regulating fan is a fan capable of changing the rotating speed of the impeller. By changing the rotation speed of the impeller, the blowing amount of the blowing device 320 can be effectively changed, and the vibration frequency of the blowing device 320 can be adjusted, so that the blowing device 320 and the water valve 200 are prevented from generating resonance and generating noise. Of course, the blowing device 320 may also be composed of other components, such as an air suspension blower, an electric heating blower, etc., and the specific embodiment may be adjusted accordingly according to the actual situation, which is not limited herein.
In certain embodiments, referring to FIG. 3, the water valve 200 is a water proportional valve. The proportional valve is a novel hydraulic control device. The proportional valve uses proportional electromagnet to replace the original control part, and the pressure, flow or direction of oil flow is remotely controlled continuously and proportionally according to the input electric signal. Proportional valves generally have pressure compensation capabilities and output pressure and flow may be unaffected by load changes. Of course, the water valve 200 may also be composed of other components, such as a common pressure valve, a flow valve, a directional valve, etc., and the specific embodiment may be adjusted accordingly according to the actual situation, which is not limited herein.
In some embodiments, the comparison module may be a combination of a resistor circuit (not shown) and a voltage comparator (not shown). The preset value may be converted to a preset voltage value. After the resistance circuit converts the current transmitted from the detecting element 500 into voltage, the voltage comparator can judge the difference between the detected noise amount and the preset value by comparing the voltage magnitude. Of course, the comparison module may also be other setting modes such as a differential amplifier circuit, and the specific setting mode may be adjusted according to the actual use condition, which is not limited herein.
In some embodiments, referring to fig. 3, the combustor 300 is provided with an air inlet 310, and a gas valve (not shown) is disposed at the air inlet 310. After entering the gas valve from the gas inlet 310, the gas will be transported to the burner for combustion. The gas valve can adjust the entering amount of gas, thereby changing the vitality of the burner.
Referring to fig. 1, a second aspect of the present invention provides an embodiment of a water heater control method, including a strong-drum gas water heater according to the above-described embodiment, and including the steps of:
A1. the detection piece 500 detects noise and obtains the noise volume s1, the controller 600 compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B1 is executed, otherwise, the step C1 is executed;
B1. the controller 600 regulates the water valve 200 to regulate the water flow rate in the water pipe 100, and after regulation, the step a1 is returned;
C1. the controller 600 regulates the water valve 200 to regulate the flow of water within the water pipe 100 to remain constant.
When the amount of noise is excessive, the controller 600 may control the flow rate of water in the water pipe 100 through the water valve 200 to change the load of the burner 300, thereby changing the vibration frequency relationship between the burner 300 and the blower 320 to prevent the burner 300 from generating resonance. Through the effect of the noise control unit and the comparison module, the water heater can automatically avoid the resonance between the burner 300 and the blower device 320, thereby greatly reducing the noise generated due to the resonance, further breaking through the technical barrier of the forced-air gas water heater industry about the overlarge resonance noise, and having the advantages of automation and reliability.
Referring to fig. 1, a third aspect of the present invention provides an embodiment of a water heater control method, including a strong-drum gas water heater according to the above-described embodiment, and including the steps of:
A2. the detection piece 500 detects noise and obtains the noise volume s1, the controller 600 compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B2 and the step C2 are executed, otherwise, the step D2 is executed;
B2. the controller 600 regulates the water valve 200 to regulate the water flow rate in the water pipe 100, and after regulation, the step a1 is returned;
C2. the memory module memorizes a numerical value group G1 corresponding to the blast volume and the water flow for the blast volume of the blast device 320 and the water flow controlled by the water valve 200;
D2. the controller 600 regulates the water valve 200 to regulate the water flow in the water pipe 100 to be constant;
E2. after the device is turned on again, the controller 600 controls the blowing device 320 and/or the water valve 200 to avoid the blowing amount and/or the water flow amount corresponding to the value group G1.
Through the effect of the noise control unit and the comparison module, the water heater can automatically avoid the resonance between the burner 300 and the blower device 320, thereby greatly reducing the noise generated due to the resonance, further breaking through the technical barrier of the forced-air gas water heater industry about the overlarge resonance noise, and having the advantages of automation and reliability. The memory module allows the burner 300 to record the water flow and blast size at resonance for automatic skipping at the next start. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
In some embodiments, referring to fig. 1, in step B2, when the noise amount is equal to the preset value, the memory module memorizes the blowing amount of the blowing device 320 and the water flow controlled by the water valve 200. After the memory module records the condition that the noise volume is equal to the preset value, the memory module can directly avoid the noise volume with the minimum amplitude when the computer is started next time, so that the speed and the efficiency of avoiding the resonance noise are improved.
In some embodiments, referring to fig. 1, in step D2, the memory module memorizes the blast volume when the water flow rate is kept constant and the value group G2 corresponding to the water flow rate; in step E2, the controller 600 regulates the amount of air and water flow corresponding to the set of values G2 for the air blowing device 320 and the water valve 200. The set of values G2 can provide a regulation indication to the controller so that the controller can quickly and directly regulate the amount of blast air and water flow to a less noisy value.
Referring to fig. 2, a fourth aspect of the present invention provides an embodiment of a water heater control method, including the forced-induction gas water heater according to the above embodiment, and including the steps of:
A3. the detection piece 500 detects noise and obtains the noise volume s1, the controller 600 compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B3 is executed, otherwise, the step C3 is executed;
B3. the controller 600 regulates the blowing amount of the blowing device 320, and after regulation, returns to step a 3;
C3. the controller 600 regulates the blowing device 320 such that the amount of blowing of the blowing device 320 is kept constant.
When the amount of noise is excessive, the controller 600 may change the amount of vibration of the air blowing device 320 by the amount of air blown by the air blowing device 320, and thus cause the vibration frequency relationship between the burner 300 and the air blowing device 320 to be changed to prevent the burner 300 from generating resonance. Through the effect of the noise control unit and the comparison module, the water heater can automatically avoid the resonance between the burner 300 and the blower device 320, thereby greatly reducing the noise generated due to the resonance, further breaking through the technical barrier of the forced-air gas water heater industry about the overlarge resonance noise, and having the advantages of automation and reliability.
Referring to fig. 2, a fifth aspect of the present invention provides an embodiment of a water heater control method, including the forced-induction gas water heater according to the above embodiment, and including the steps of:
A4. the detection piece 500 detects noise and obtains the noise volume s1, the controller 600 compares the relationship between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B4 and the step C4 are executed, otherwise, the step D4 is executed;
B4. the controller 600 regulates the blowing amount of the blowing device 320, and after regulation, returns to step a 1;
C4. the memory module memorizes a numerical value group G1 corresponding to the blast volume and the water flow for the blast volume of the blast device 320 and the water flow controlled by the water valve 200;
D4. the controller 600 regulates the blowing device 320 such that the blowing amount of the blowing device 320 is kept constant;
E4. after the device is turned on again, the controller 600 controls the blowing device 320 and/or the water valve 200 to avoid the blowing amount and/or the water flow amount corresponding to the value group G1.
Through the effect of the noise control unit and the comparison module, the water heater can automatically avoid the resonance between the burner 300 and the blower device 320, thereby greatly reducing the noise generated due to the resonance, further breaking through the technical barrier of the forced-air gas water heater industry about the overlarge resonance noise, and having the advantages of automation and reliability. The memory module allows the burner 300 to record the water flow and blast size at resonance for automatic skipping at the next start. Through the recording effect of the memory module, the resonance noise can be automatically avoided directly, and then the effect of intelligently reducing the resonance noise is realized.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A forced-air gas water heater, comprising:
a water pipe (100), the water pipe (100) comprising a water inlet (110) and a water outlet (120);
a burner (300) capable of heating water in the water pipe (100);
a water valve (200) in communication with the water pipe (100), the water valve (200) capable of controlling water flow within the water pipe (100);
a blower device (320) in communication with the burner (300), the blower device (320) being capable of blowing air to the burner (300);
the noise control unit comprises a detection piece (500) and a controller (600), the detection piece (500) can detect the noise, the detection piece (500) is electrically connected with the controller (600), the air blowing device (320) and/or the water valve (200) is electrically connected with the controller (600), and the controller (600) can control the water flow rate in the water pipe (100) and/or the air blowing rate of the air blowing device (320) through the water valve (200);
the comparison module is electrically connected with the controller (600), a preset value is set in the comparison module, and the comparison module can compare the noise detected by the detection piece (500) with the preset value.
2. The forced-air gas water heater of claim 1, wherein:
a memory module is arranged in the controller (600), and the detection piece (500), the water valve (200) and the air blowing device (320) are all electrically connected with the memory module.
3. The forced-air gas water heater of claim 1, wherein:
the water pipe (100) is connected with a heat exchanger (400), the heat exchanger (400) is positioned between the water inlet (110) and the water outlet (120), and the burner (300) can heat the heat exchanger (400).
4. The forced-air gas water heater of claim 3, wherein:
the heat exchanger (400) is connected with an air outlet (450), and the air outlet (450) and the burner (300) are positioned on two opposite sides of the heat exchanger (400).
5. The forced-air gas water heater of claim 4, wherein:
and a heat radiation fan is arranged at the air outlet (450).
6. A water heater control method for controlling the forced-air gas water heater according to any one of claims 1 to 5, characterized by comprising the steps of:
A1. the detection piece (500) detects noise and obtains the noise volume s1, the controller (600) compares the relation between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B1 is executed, and if not, the step C1 is executed;
B1. the controller (600) regulates and controls the water valve (200) to regulate the water flow in the water pipe (100), and after regulation, the step A1 is returned;
C1. the controller (600) regulates the water valve (200) to regulate the flow of water within the water pipe (100) to remain constant.
7. A water heater control method for controlling the forced-air gas water heater according to claim 2, comprising the steps of:
A2. the detection piece (500) detects noise and obtains the noise volume s1, the controller (600) compares the relation between the noise volume s1 and a preset value s2, if s1> s2 or s1 ═ s2, the step B2 and the step C2 are executed, and if not, the step D2 is executed;
B2. the controller (600) regulates and controls the water valve (200) to regulate the water flow in the water pipe (100), and after regulation, the step A1 is returned;
C2. the memory module memorizes a numerical value group G1 corresponding to the air blowing quantity and the water flow quantity for the air blowing quantity of the air blowing device (320) and the water flow quantity controlled by the water valve (200);
D2. the controller (600) regulates the water valve (200) to regulate the water flow in the water pipe (100) to be kept constant;
E2. after the device is restarted, the controller (600) controls the blowing device (320) and/or the water valve (200) to avoid the blowing amount and/or the water flow corresponding to the value group G1.
8. The control method of a water heater according to claim 7, wherein:
in step D2, the memory module memorizes the blast volume when the water flow rate is kept constant and the value group G2 corresponding to the water flow rate;
in step E2, the controller (600) controls the amount of air and water flow corresponding to the set of values G2 for the air blower (320) and water valve (200).
9. A water heater control method for controlling the forced-air gas water heater according to any one of claims 1 to 5, characterized by comprising the steps of:
A3. the detection piece (500) detects noise and obtains the noise volume s1, the controller (600) compares the relation between the noise volume s1 and a preset value s2, if s1 is greater than s2 or s1 is equal to s2, the step B3 is executed, and if not, the step C3 is executed;
B3. the controller (600) regulates the blowing amount of the blowing device (320), and after regulation, the control returns to the step A3;
C3. the controller (600) regulates the blowing device (320) such that the amount of blowing by the blowing device (320) is kept constant.
10. A water heater control method for controlling the forced-air gas water heater according to claim 2, comprising the steps of:
A4. the detection piece (500) detects noise and obtains the noise volume s1, the controller (600) compares the relation between the noise volume s1 and a preset value s2, if s1> s2 or s1 ═ s2, the step B4 and the step C4 are executed, and if not, the step D4 is executed;
B4. the controller (600) regulates the blowing amount of the blowing device (320), and after regulation, the control returns to the step A1;
C4. the memory module memorizes a numerical value group G1 corresponding to the air blowing quantity and the water flow quantity for the air blowing quantity of the air blowing device (320) and the water flow quantity controlled by the water valve (200);
D4. the controller (600) regulates the blowing device (320) such that the blowing amount of the blowing device (320) is kept constant;
E4. after the device is restarted, the controller (600) controls the blowing device (320) and/or the water valve (200) to avoid the blowing amount and/or the water flow corresponding to the value group G1.
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| CN202010823658.8A CN111928490A (en) | 2020-08-17 | 2020-08-17 | Forced-blowing gas water heater and water heater control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154689A (en) * | 2020-12-01 | 2021-07-23 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154689A (en) * | 2020-12-01 | 2021-07-23 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN113188256A (en) * | 2020-12-01 | 2021-07-30 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN113188256B (en) * | 2020-12-01 | 2022-11-15 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
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