CN115978805A - Double-temperature control method, system and device for gas heating water heater - Google Patents
Double-temperature control method, system and device for gas heating water heater Download PDFInfo
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Abstract
The invention discloses a double temperature control method, a system and a device of a gas heating water heater, wherein the double temperature control method comprises the steps of configuring a controller which is electrically connected with an outdoor temperature sensor, an indoor temperature sensor and an outlet water temperature sensor, and receiving T0, tn and Tc in real time by using the controller; setting Tns, and calculating Tnc by the controller according to a formula Tnc = Tns-Tn; and when Tnc is larger than T1, executing a starting process, calculating Ts according to a formula Ts = aTn-bT0+ c, and heating the system water according to the outlet water temperature difference value. The double-temperature control method adjusts the working state of the gas heating water heater in real time by combining the parameters of indoor temperature, outdoor temperature, indoor set temperature and the like so as to adjust the outlet water temperature, ensure that the indoor temperature is always kept at the set temperature and fluctuates in a small range, and greatly reduce unnecessary energy consumption.
Description
Technical Field
The invention relates to the technical field of gas heating water heaters, in particular to a dual-temperature control method, a dual-temperature control system and a dual-temperature control device for a gas heating water heater.
Background
The gas heating water heater is a hot water boiler which heats water to a certain temperature by using gas combustion and meets the heating requirement through a heating pipeline and a radiator, and belongs to the field of civil life boilers. The gas heating water heater is one of the heat source equipment of winter heating, through heating the demand of hot water in order to satisfy indoor heating, and general heating stove is through adjusting heating play water temperature, regulates and control the running state of heating stove to the realization is under the state of energy-conserving, and stable heating.
The energy-saving control means of the present heating stove mainly comprises: 1. at indoor temperature controller of indoor installation, monitor indoor temperature, according to indoor temperature again, regulation and control opening of heating stove, but present indoor temperature controller can only control the switch of heating stove, and can not regulate and control the heat load of heating stove when the operation, and energy-conserving effect is ideal inadequately, can not reach the effect of energy-conserving regulation. 2. At outdoor installation climate compensation regulation temperature controller, outdoor thermodetector promptly, this climate compensation regulation is according to outdoor temperature, carry out temperature compensation with outdoor temperature, calculate required heating leaving water temperature, then adjust the heat load of heating stove according to leaving water temperature, however, when the heating stove just starts, can not satisfy indoor a large amount of heat demands according to the leaving water temperature who calculates, it is slower to lead to indoor programming rate, the heating effect is unsatisfactory, and climate compensation coefficient needs user oneself to set up according to indoor outdoor difference in temperature, general user does not have the ability of setting up this coefficient, or said to speak, the user holds inaccurately to the precision of this coefficient, it is unsatisfactory easily to lead to actual heating effect, and accommodation process is comparatively loaded down with trivial details, need pass through many times verification, therefore most users can give up using this function.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a dual temperature control method of a gas heating water heater, which solves the traditional problems, and adjusts the water outlet temperature of a heating furnace in real time by combining parameters such as indoor temperature, outdoor temperature and indoor set temperature, so that the heating furnace can save gas and avoid waste on the premise of ensuring normal heating requirements, and meanwhile, the temperature can be raised more quickly in the initial starting stage, and the requirements of stable indoor temperature and quick temperature rise can be met.
The second purpose of the invention is to provide a double temperature control system of the gas heating water heater.
The invention also aims to provide a heating device adopting the double temperature control systems of the gas heating water heater.
The fourth purpose of the invention is to provide a control device adopting the double temperature control method of the gas heating water heater.
One of the purposes of the invention is realized by adopting the following technical scheme:
a double temperature control method of a gas heating water heater comprises the following steps:
s1: an outdoor temperature sensor for detecting the outdoor temperature is arranged outdoors, an indoor temperature sensor for detecting the indoor temperature is arranged indoors, and a water outlet temperature sensor for detecting the water outlet temperature of the gas heating water heater is arranged at the water outlet end of the gas heating water heater;
s2: a controller which is electrically connected with an outdoor temperature sensor, an indoor temperature sensor and an effluent temperature sensor is configured on the gas heating water heater, and the controller is used for receiving a temperature signal T0 fed back by the outdoor temperature sensor, a temperature signal Tn fed back by the indoor temperature sensor and a temperature signal Tc fed back by the effluent temperature sensor in real time;
s3: setting an indoor temperature setting threshold Tns, and calculating an indoor setting temperature difference Tnc by the controller according to a formula Tnc = Tns-Tn;
when Tnc is greater than T1, the controller controls the gas heating water heater to execute a starting process, calculates a water temperature set value Ts according to a formula Ts = aTn-bT0+ c, and heats system water according to a temperature difference between an outlet water temperature set value and an outlet water temperature to enable the gas heating water heater to be in a working state;
wherein T1 is a first preset temperature difference threshold, and the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
Preferably, in step S3, the heating mode in the gas-fired hot water boiler is divided into a floor heating mode and a fin mode; in a floor heating mode, ts =2Tn-T0+ c, wherein the value range of c is-3-5; in the cooling fin mode, ts =2.5Tn-1.5T0+ c, wherein the value range of c is-5-10.
Preferably, in step S3, when the gas-fired water heater is in an operating state, the following determination step is performed, the water temperature setting value Ts is calculated, and the system water is heated according to the temperature difference between the outlet water temperature setting value and the outlet water temperature:
s30: when Tnc is greater than T2, in a floor heating mode, if Ts =2Tn-T0+5 is less than 50 ℃, the Ts is 50 ℃; if Ts =2Tn-T0+5 is more than or equal to 50, ts =2Tn-T0+5; under the cooling fin mode, if Ts =2.5Tn-1.5T0+10 < 75 ℃, ts is 75 ℃; if Ts =2.5Tn-1.5T0+10 is more than or equal to 75 ℃, ts =2.5Tn-1.5T0+10;
s31: when T2 is more than or equal to Tnc and is more than T3, ts =2Tn-T0+5 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5T0+10;
s32: when T3 is more than or equal to Tnc and is more than T4, ts =2Tn-T0 in the floor heating mode; in fin mode, ts =2.5Tn-1.5t0;
s33: when T4 is more than or equal to Tnc and more than or equal to T5, ts =2Tn-T0-3 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5T0-5;
s34: when Tnc is less than T5, the controller controls the gas heating water heater to execute a shutdown process, so that the gas heating water heater is in a shutdown state, and the step S2 is returned; when Tnc is greater than T6, the controller controls the gas heating water heater to execute a starting process, and continues to execute the steps S30 to S33 to calculate a water temperature set value Ts;
wherein T2> T3> T1 ≧ T6> T4> T5, T2-T3=4, T3-T4=4, T4-T5=2.
Preferably, in step S3, T2=8 ℃, T3=4 ℃, T4=0 ℃, T5= -2 ℃, T6=2 ℃.
Preferably, in step S3, T1=2 ℃.
Preferably, in the floor heating mode, the highest temperature of the outlet water temperature set value Ts is not more than 85 ℃; in the fin mode, the maximum temperature of the outlet water temperature setting value Ts is not more than 60 ℃.
The second purpose of the invention is realized by adopting the following technical scheme:
a dual temperature control system of a gas heating water heater, comprising:
the data detection module is used for detecting the outdoor temperature, the indoor temperature and the outlet water temperature;
the data acquisition module is used for acquiring temperature signals of outdoor temperature, indoor temperature and outlet water temperature and acquiring a set threshold value of the indoor temperature;
the judgment and execution module is used for calculating the indoor set temperature difference Tnc according to a formula Tnc = Tns-Tn;
when Tnc is larger than T1, the controller controls the gas heating water heater to execute a starting process, a water temperature setting value Ts is calculated according to a formula Ts = aTn-bT0+ c, and system water is heated according to a temperature difference value between an outlet water temperature setting value and an outlet water temperature, so that the gas heating water heater is in a working state;
wherein Tnc is the indoor set temperature difference; tns is a set threshold value of the indoor temperature; tn is the indoor temperature; t0 is the outdoor temperature; t1 is a first preset temperature difference threshold, and the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
The third purpose of the invention is realized by adopting the following technical scheme:
a heating device comprises the double temperature control system of the gas heating water heater.
Preferably, the heating apparatus further comprises:
the outdoor temperature sensor is used for detecting the outdoor environment temperature and acquiring the outdoor detection temperature;
the indoor temperature sensor is used for detecting indoor environment temperature and acquiring indoor detection temperature;
the water outlet temperature sensor is used for detecting the water outlet temperature of the gas heating water heater to obtain the water outlet temperature of the heating water;
a controller for receiving a temperature value of the detected temperature from each sensor in real time and acquiring a set threshold value of the indoor temperature, the controller performing the steps of the dual temperature control method of the gas-fired heating water heater according to any one of claims 1 to 6.
The fourth purpose of the invention is realized by adopting the following technical scheme:
a control device comprises a storage device and a processor, wherein the storage device stores a program for realizing the double temperature control method of the gas heating water heater; and the processor loads the program stored in the storage device and executes the steps of the dual-temperature control method of the gas heating water heater.
Compared with the prior art, the invention has the beneficial effects that:
1. the double-temperature control method of the gas heating water heater adjusts the working state of the gas heating water heater in real time by combining the parameters of indoor temperature, outdoor temperature, indoor set temperature and the like to adjust the outlet water temperature, ensures that the indoor temperature is always kept at the set temperature and fluctuates in a small range, can greatly reduce unnecessary energy consumption, can also quickly heat up at the initial starting stage, is suitable for office workers, can lower the room temperature in the daytime, and can raise the room temperature by returning home at night, and can meet the requirements of stable and quick heating of the indoor temperature.
2. The invention relates to a double-temperature control method of a gas heating water heater, which comprises the steps of firstly collecting indoor temperature, outdoor temperature, indoor setting temperature and an indoor temperature setting threshold value, calculating indoor setting temperature difference, adjusting the working state of the gas heating water heater in real time, heating system water according to the temperature difference between a calculated outlet water temperature setting value and outlet water temperature when the gas heating water heater is in the working state, and adjusting the outlet water temperature setting value when the indoor temperature is continuously increased in the adjusting process to gradually reduce the temperature difference between the outlet water temperature setting value and the outlet water temperature so that the outlet water temperature difference tends to be stable or has smaller fluctuation.
3. The dual-temperature control method of the gas heating water heater divides the heating mode into a floor heating mode, a radiating fin mode and other two modes, further adjusts the outlet water temperature according to the heat transfer mode difference of different modes, enables the calculated outlet water temperature setting value to be more fit with the actual indoor temperature fluctuation, and further ensures that the indoor temperature is always kept at the set temperature and fluctuates in a small range.
Drawings
Fig. 1 is a control flow chart of a dual temperature control method of a gas heating water heater of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Example 1
As shown in fig. 1, a dual temperature control method of a gas heating water heater includes the following steps:
s1: an outdoor temperature sensor for detecting the outdoor temperature is arranged outdoors, an indoor temperature sensor for detecting the indoor temperature is arranged indoors, and a water outlet temperature sensor for detecting the water outlet temperature of the gas heating water heater is arranged at the water outlet end of the gas heating water heater.
In one embodiment, the outdoor temperature sensor is mounted on the outer pipe of the balance chimney, namely the air inlet pipeline, or the outdoor temperature sensor is mounted below the shielding plate, so that snow is prevented from covering the outdoor temperature sensor when snow falls, and the detection accuracy is prevented from being influenced. The indoor temperature sensor is arranged in a living room, a bedroom and the like, and the corresponding installation position is selected according to the temperature regulation requirement. The outlet water temperature sensor is provided at an outlet of a main heat exchanger of the gas heating water heater so as to accurately detect a water temperature, or at an outlet of a heating pipe installed in a heating circulation system.
S2: the gas heating water heater is provided with a controller which is electrically connected with an outdoor temperature sensor, an indoor temperature sensor and an effluent temperature sensor, and the controller is used for receiving a temperature signal T0 fed back by the outdoor temperature sensor, a temperature signal Tn fed back by the indoor temperature sensor and a temperature signal Tc fed back by the effluent temperature sensor in real time.
The signal receiving end of the controller receives temperature signals sent by the temperature sensors in a data transmission line, a Bluetooth signal, a wifi signal, a cloud end and other modes.
S3: an indoor temperature setting threshold Tns is set on the controller, and the controller calculates an indoor setting temperature difference Tnc according to a formula Tnc = Tns-Tn.
When Tnc = Tns-Tn > a first preset temperature difference threshold value T1, the controller controls the gas heating water heater to execute a starting process, calculates a water temperature setting value Ts according to a formula Ts = aTn-bT0+ c, and heats system water according to a temperature difference value between the water outlet temperature setting value and the water outlet temperature, so that the gas heating water heater is in a working state. Wherein the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
In one embodiment, the starting process of the gas heating water heater comprises the following steps: and the water supply pump, the fan, the gas valve and other equipment are sequentially started to operate, and then the igniter ignites to heat the system water by the high-temperature flue gas.
In step S3, firstly, according to the difference of the area, the size of the heating space or the requirement of the user, the indoor temperature setting threshold Tns is set, then the indoor setting temperature difference is calculated through comparison, according to the indoor setting temperature difference, the heating furnace executes different running states, and if the heating furnace is in a working state, the system water is heated through the temperature difference between the calculated water outlet temperature setting value Ts and the water outlet temperature Tc, and the indoor continuous heating operation is carried out.
According to the double-temperature control method of the gas heating water heater, the working state of the gas heating water heater is adjusted in real time by combining the parameters such as the indoor temperature, the outdoor temperature and the indoor set temperature, so that the outlet water temperature is adjusted, the indoor temperature is always kept at the set temperature and fluctuates in a small range, unnecessary energy consumption can be greatly reduced, meanwhile, the temperature can be rapidly increased at the initial starting stage, the double-temperature control method is suitable for office workers, the room temperature is reduced in the daytime, the room temperature is increased after the user goes home at night, and the requirements of stability and rapid temperature increase of the indoor temperature can be met.
Example 2
In addition to the control method of embodiment 1, in order to distinguish different heating apparatuses and avoid the heat transfer difference in the heating process, in this embodiment, the heating mode in the gas heating water heater is divided into a floor heating mode and a fin mode; in the floor heating mode, ts =2Tn-T0+ c, wherein the value range of c is-3-5, namely in the floor heating mode, a =2, b =1 and c are variable values, and the values are different according to different indoor temperature differences; in the radiating fin mode, ts =2.5Tn-1.5T0+ c, wherein the value range of c is-5-10, namely in the radiating fin mode, a =2.5, b =1.5 and c are variable values, and the values are different according to different indoor set temperature differences.
In one embodiment, in order to better optimize the outlet water temperature setting value, the heat transfer difference of each heating device is combined, and the problem that the temperature of the actual heating device is already increased to be higher but the indoor temperature is still lower in the temperature increasing process is solved, and when the indoor temperature is already increased to the preset temperature, but the heating device is still at the higher temperature, the indoor temperature is still continuously increased after the furnace is stopped.
As shown in fig. 1 again, in step S3, when the gas-fired water heater is in an operating state, the following determination steps are performed to calculate a water temperature setting value Ts, and the system water is heated according to a temperature difference between the outlet water temperature setting value and the outlet water temperature:
s30: when Tnc is greater than T2, in a floor heating mode, if Ts =2Tn-T0+5 is less than 50 ℃, the Ts is 50 ℃; if Ts =2Tn-T0+5 is more than or equal to 50, then Ts =2Tn-T0+5; under the cooling fin mode, if Ts =2.5Tn-1.5T0+10 < 75 ℃, ts is 75 ℃; if Ts =2.5Tn-1.5T0+10 is more than or equal to 75 ℃, ts =2.5Tn-1.5T0+10;
s31: when T2 is more than or equal to Tnc and is more than T3, ts =2Tn-T0+5 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5T0+10;
s32: when T3 is more than or equal to Tnc and is more than T4, ts =2Tn-T0 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5t0;
s33: when T4 is more than or equal to Tnc and more than or equal to T5, ts =2Tn-T0-3 in the floor heating mode; in a radiating fin mode, ts =2.5Tn-1.5T0-5;
s34: when Tnc is less than T5, the controller controls the gas heating water heater to execute a shutdown process, so that the gas heating water heater is in a shutdown state, and the step S2 is returned; when Tnc is greater than T6, the controller controls the gas heating water heater to execute a starting process, and continues to execute the steps S30 to S33 to calculate a water temperature set value Ts;
wherein T2> T3> T1 is more than or equal to T6> T4> T5, T2-T3=4, T3-T4=4, T4-T5=2.
In the present embodiment, in step S3, T2=8 ℃, T3=4 ℃, T4=0 ℃, T5= -2 ℃, T6=2 ℃.
In one embodiment, the first preset temperature difference threshold T1 is 2 ℃, that is, when Tnc = Tns-Tn > 2 ℃, the gas-fired heating water heater is in a normal heating working state, and when Tnc = Tns-Tn is less than or equal to 2 ℃, the gas-fired heating water heater is in a standby state. In the embodiment, T1 is 2 ℃, so that the gas heating water heater can adjust the working state of the gas heating water heater in real time, thereby adjusting the outlet water temperature to ensure that the indoor temperature is always kept within the set temperature and fluctuates by a small amplitude, and the unnecessary energy consumption can be greatly reduced. By the arrangement, the gas heating water heater can be quickly heated at the initial starting stage, and the requirements of indoor temperature stability and quick heating can be met. The preset temperature difference threshold value T1 is preset in the controller, and does not need to be set by a user. In other embodiments, the first preset temperature difference threshold T1 may also be other temperature thresholds, such as 3 ℃, 4 ℃, 5 ℃, 6 ℃, and the like, and is preset according to needs or different regions, which is not described herein again.
The double-temperature control method of the gas heating water heater comprises the steps of collecting indoor temperature, outdoor temperature, indoor setting temperature and an indoor temperature setting threshold, calculating indoor setting temperature difference, adjusting the working state of the gas heating water heater in real time, and heating system water according to the temperature difference between the calculated outlet water temperature setting value and outlet water temperature when the gas heating water heater is in the working state.
In the embodiment, in the floor heating mode, the highest temperature of the outlet water temperature set value Ts is not more than 85 ℃; in the fin mode, the maximum temperature of the outlet water temperature setting value Ts is not more than 60 ℃.
Example 3
A dual temperature control system of a gas heating water heater, comprising:
the data detection module is used for detecting outdoor temperature, indoor temperature and outlet water temperature, the outdoor temperature is detected through an outdoor temperature sensor, the indoor temperature is detected through an indoor temperature sensor, and the outlet water temperature is detected through an outlet water temperature sensor;
the data acquisition module is used for acquiring temperature signals of outdoor temperature, indoor temperature and outlet water temperature and acquiring a set threshold value of the indoor temperature;
the judgment and execution module is used for calculating the indoor set temperature difference Tnc according to a formula Tnc = Tns-Tn;
when Tnc is larger than T1, the controller controls the gas heating water heater to execute a starting process, a water temperature setting value Ts is calculated according to a formula Ts = aTn-bT0+ c, and system water is heated according to a temperature difference value between an outlet water temperature setting value and an outlet water temperature, so that the gas heating water heater is in a working state;
wherein Tnc is the indoor set temperature difference; tns is a set threshold value of the indoor temperature; tn is the indoor temperature; t0 is the outdoor temperature; t1 is a first preset temperature difference threshold, and the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
According to the double-temperature control system, the outlet water temperature set value is regulated and controlled through the data detection module, the data acquisition module and the judgment and execution module, so that on the premise that the normal heating requirement of the heating furnace is guaranteed, gas can be saved, and waste is avoided.
Example 4
A heating device comprises a shell, a combustion chamber arranged in the shell, a main heat exchanger positioned on the combustion chamber, a water supply pump and heat dissipation equipment (such as a cooling fin or a floor heating coil) connected with the main heat exchanger, a fan connected with the combustion chamber, a Venturi (or a pre-mixer), a proportional valve (a gas valve) and a controller.
The working principle is as follows: when a heating mode needing to be started is received or the bathroom mode is converted into the heating mode, the conditions of gas, air and system water in the furnace body are as follows:
gas and air: the fan rotates to enable air to enter the venturi, fuel gas is adjusted through the proportional valve, enters the venturi to be mixed with the air and then enters the combustion chamber to be ignited and combusted, and high-temperature flue gas obtained by combustion heats system water in the main heat exchanger to enable the temperature of the system water to reach the requirement of the controller.
System water: and starting the water supply pump to make the system water flow back to the water supply pump along the main heat exchanger and the heat dissipation equipment to form internal circulation.
Wherein, this heating plant includes the two temperature control systems of the gas heating water heater of embodiment 3.
In this embodiment, the heating apparatus further includes:
the outdoor temperature sensor is used for detecting outdoor environment temperature and acquiring outdoor detection temperature;
the indoor temperature sensor is used for detecting indoor environment temperature and acquiring indoor detection temperature;
the water outlet temperature sensor is used for detecting the water outlet temperature of the gas heating water heater to obtain the water outlet temperature of the heating water;
and the controller is used for receiving the temperature value of the detected temperature from each sensor in real time and acquiring a set threshold value of the indoor temperature, and the controller executes the steps of the double-temperature control method of the gas heating water heater.
Example 5
A control device comprises a storage device and a processor, wherein the storage device stores a program for realizing the double temperature control method of the gas heating water heater; and the processor loads the program stored in the storage device and executes the steps of the dual-temperature control method of the gas heating water heater.
Further, it should be understood that, since the modules are only configured to illustrate the functional units of the system of the present invention, the corresponding physical devices of the modules may be the processor itself, or a part of software, a part of hardware, or a part of a combination of software and hardware in the processor. Thus, the number of individual modules in the figures is merely illustrative.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A double temperature control method of a gas heating water heater is characterized by comprising the following steps:
s1: an outdoor temperature sensor for detecting the outdoor temperature is arranged outdoors, an indoor temperature sensor for detecting the indoor temperature is arranged indoors, and an outlet water temperature sensor for detecting the outlet water temperature of the gas heating water heater is arranged at the outlet water end of the gas heating water heater;
s2: the gas heating water heater is provided with a controller which is electrically connected with an outdoor temperature sensor, an indoor temperature sensor and an effluent temperature sensor, and the controller is used for receiving a temperature signal T0 fed back by the outdoor temperature sensor, a temperature signal Tn fed back by the indoor temperature sensor and a temperature signal Tc fed back by the effluent temperature sensor in real time;
s3: setting an indoor temperature setting threshold Tns, and calculating an indoor setting temperature difference Tnc by the controller according to a formula Tnc = Tns-Tn;
when Tnc is larger than T1, the controller controls the gas heating water heater to execute a starting process, a water temperature setting value Ts is calculated according to a formula Ts = aTn-bT0+ c, and system water is heated according to a temperature difference value between an outlet water temperature setting value and an outlet water temperature, so that the gas heating water heater is in a working state;
wherein T1 is a first preset temperature difference threshold, and the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
2. The dual temperature control method of the gas heating water heater according to claim 1, wherein in step S3, heating modes in the gas heating water heater are divided into a floor heating mode and a fin heating mode; in a floor heating mode, ts =2Tn-T0+ c, wherein the value range of c is-3-5; in the cooling fin mode, ts =2.5Tn-1.5T0+ c, wherein the value range of c is-5-10.
3. The dual temperature control method of the gas-fired water heater according to claim 2, wherein in the step S3, when the gas-fired water heater is in operation, the following determination steps are performed to calculate a water temperature setting value Ts, and the system water is heated according to a temperature difference between the leaving water temperature setting value and the leaving water temperature:
s30: when Tnc is greater than T2, in a floor heating mode, if Ts =2Tn-T0+5 is less than 50 ℃, the Ts is 50 ℃; if Ts =2Tn-T0+5 is more than or equal to 50, then Ts =2Tn-T0+5; under the cooling fin mode, if Ts =2.5Tn-1.5T0+10 < 75 ℃, ts is 75 ℃; if Ts =2.5Tn-1.5T0+10 is more than or equal to 75 ℃, ts =2.5Tn-1.5T0+10;
s31: when T2 is more than or equal to Tnc and is more than T3, ts =2Tn-T0+5 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5T0+10;
s32: when T3 is more than or equal to Tnc and is more than T4, ts =2Tn-T0 in the floor heating mode; in fin mode, ts =2.5Tn-1.5t0;
s33: when T4 is more than or equal to Tnc and more than or equal to T5, ts =2Tn-T0-3 in the floor heating mode; in the cooling fin mode, ts =2.5Tn-1.5T0-5;
s34: when Tnc is less than T5, the controller controls the gas heating water heater to execute a shutdown process, so that the gas heating water heater is in a shutdown state, and the step S2 is returned; when Tnc is larger than T6, the controller controls the gas heating water heater to execute a starting process, and continues to execute the steps S30 to S33, and a water temperature set value Ts is calculated;
wherein T2> T3> T1 ≧ T6> T4> T5, T2-T3=4, T3-T4=4, T4-T5=2.
4. The dual temperature control method of the gas-heating water heater according to claim 3, wherein, in step S3, T2=8 ℃, T3=4 ℃, T4=0 ℃, T5= -2 ℃, and T6=2 ℃.
5. The dual temperature control method of the gas-heating water heater according to claim 4, wherein T1=2 ℃ in step S3.
6. The dual temperature control method of the gas-fired water heater according to claim 2, wherein in the floor heating mode, the maximum temperature of the outlet water temperature set value Ts is not more than 85 ℃; in the fin mode, the maximum temperature of the outlet water temperature setting value Ts is not more than 60 ℃.
7. The utility model provides a two temperature control system of gas heating water heater which characterized in that includes:
the data detection module is used for detecting the outdoor temperature, the indoor temperature and the outlet water temperature;
the data acquisition module is used for acquiring temperature signals of outdoor temperature, indoor temperature and outlet water temperature and acquiring a set threshold value of the indoor temperature;
the judgment and execution module is used for calculating the indoor set temperature difference Tnc according to a formula Tnc = Tns-Tn;
when Tnc is larger than T1, the controller controls the gas heating water heater to execute a starting process, a water temperature setting value Ts is calculated according to a formula Ts = aTn-bT0+ c, and system water is heated according to a temperature difference value between an outlet water temperature setting value and an outlet water temperature, so that the gas heating water heater is in a working state;
wherein Tnc is the indoor set temperature difference; tns is a set threshold value of the indoor temperature; tn is the indoor temperature; t0 is the outdoor temperature; t1 is a first preset temperature difference threshold, and the value range of T1 is 2-5 ℃; the value range of a is 2-3; the value range of b is 1-2; the value range of c is-5 to 10.
8. A heating apparatus comprising the dual temperature control system of the gas-heating water heater of claim 7.
9. The heating system of claim 8, further comprising:
the outdoor temperature sensor is used for detecting outdoor environment temperature and acquiring outdoor detection temperature;
the indoor temperature sensor is used for detecting indoor environment temperature and acquiring indoor detection temperature;
the water outlet temperature sensor is used for detecting the water outlet temperature of the gas heating water heater to obtain the water outlet temperature of the heating water;
a controller for receiving a temperature value of the detected temperature from each sensor in real time and acquiring an indoor temperature setting threshold, the controller performing the steps of the dual temperature control method of the gas-heating water heater according to any one of claims 1 to 6.
10. A control apparatus, comprising a storage device in which a program for implementing the dual temperature control method of the gas-fired heating water heater according to any one of claims 1 to 6 is stored, and a processor; the processor loads the program stored in the storage device and performs the steps of the dual temperature control method of the gas-heating water heater according to any one of claims 1 to 6.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118361861A (en) * | 2024-06-20 | 2024-07-19 | 西安瑞米特节能设备有限公司 | Intelligent control method and system for heating wall-mounted water heater based on data analysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118361861A (en) * | 2024-06-20 | 2024-07-19 | 西安瑞米特节能设备有限公司 | Intelligent control method and system for heating wall-mounted water heater based on data analysis |
| CN118361861B (en) * | 2024-06-20 | 2024-08-27 | 西安瑞米特节能设备有限公司 | Intelligent control method and system for heating wall-mounted water heater based on data analysis |
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