CN117870140A - Water heater, control method, control device, medium and computer program product thereof - Google Patents
Water heater, control method, control device, medium and computer program product thereof Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 516
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004590 computer program Methods 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 25
- 230000004044 response Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 229910052802 copper Inorganic materials 0.000 description 2
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Abstract
The invention discloses a water heater, a control method, a device, a medium and a computer program product thereof, wherein the control method of the water heater comprises the following steps: starting water outlet again after stopping water outlet of the hot water outlet for a preset period of time, and acquiring the water temperature detected by the temperature sensor; if the first temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked; the first temperature difference is determined according to the water temperature detected by the temperature sensor and the first water outlet temperature; the second water temperature is determined based on the clear water temperature and the second outlet water temperature. The temperature sensor can timely detect the temperature of the hot water outlet; the water temperature of the hot water outlet when water is discharged again after water discharge is stopped is obtained, the water cut-off temperature rise of the hot water outlet, namely the first temperature difference, can be obtained, the second temperature difference is the water cut-off temperature rise when the bypass pipe is unobstructed, and whether the bypass pipe is blocked can be timely and accurately judged by comparing the first temperature difference with the second temperature difference, so that potential safety hazards are reduced.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a water heater, a control method, a control device, a medium and a computer program product thereof.
Background
For gas water heaters, the heat exchangers commonly used in the market generally have two materials, one is oxygen-free copper material and the other is stainless steel material. Stainless steel heat exchangers are increasingly popular and accepted by the public because of their greater resistance to corrosion than copper heat exchangers. Meanwhile, many manufacturers are promoting the heat exchanger products made of stainless steel materials and are positioned as high-end products, so that the market prospect is promising. The heat exchanger made of stainless steel has the problems of serious heat accumulation and excessive water cut-off and temperature rise, most manufacturers encounter the problem at present, and the common practice is to increase a constant-temperature water tank and reduce the water cut-off and temperature rise, but the cost is higher. The other scheme solves the problem by adding the bypass pipe, is extremely low in cost and better in effect of reducing the water-stopping temperature rise, however, the scheme has a risk point that the bypass pipe is likely to be blocked, and once the bypass pipe is blocked, the heat exchanger does not have the effect of reducing the water-stopping temperature rise, so that the water-stopping temperature rise is very high, and a user cannot know the water-stopping temperature rise, so that the water heater has hidden danger of using safety.
Disclosure of Invention
The invention aims to overcome the defect that a bypass pipe of a water heater is possibly blocked to generate potential safety hazards in the prior art, and provides the water heater, a control method, a control device, a medium and a computer program product thereof.
The invention solves the technical problems by the following technical scheme:
the invention provides a control method of a water heater, which comprises a bypass pipe, a water inlet pipe, a water outlet pipe and a temperature sensor, wherein the water outlet pipe comprises a hot water outlet;
the two ends of the bypass pipe are respectively communicated with the water inlet pipe and the water outlet pipe, and the temperature sensor is arranged at the hot water outlet;
the control method comprises the following steps:
starting water outlet again after stopping water outlet for a preset time in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor;
if the first temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked;
the first temperature difference is determined according to the water temperature detected by the temperature sensor and a first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops discharging water when the bypass pipe is unobstructed and after the water outlet starts to discharge water again after the preset time, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops discharging water when the bypass pipe is unobstructed.
Optionally, the second temperature difference is determined according to the unobstructed water temperature, the second water outlet temperature, the blocked water temperature and the third water outlet temperature;
the water temperature detected by the temperature sensor is the water temperature detected by the temperature sensor when the bypass pipe is blocked and the hot water outlet stops discharging water after the hot water outlet stops discharging water for the preset time, and the third water outlet temperature is the water temperature detected by the temperature sensor when the bypass pipe is blocked and before the hot water outlet stops discharging water.
Optionally, if the first temperature difference is not less than the second temperature difference, determining that the bypass pipe is blocked specifically includes:
if the first temperature difference is not smaller than the second temperature difference, the cleaning wind speed after lifting is increased;
starting water outlet after stopping water outlet for a preset time again in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor;
if the third temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked;
the third temperature difference is determined according to the water temperature detected by the temperature sensor and a fourth water outlet temperature, and the fourth water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops water outlet again.
Optionally, the control method further includes: acquiring a current working condition;
the unobstructed water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is unobstructed under the same working condition as the current working condition, and/or the blocked water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is blocked under the same working condition as the current working condition.
Optionally, the current working condition includes at least one of the following: load state, water flow, ambient temperature.
Optionally, the step of determining after the bypass pipe is blocked includes:
and controlling the water heater to stop running and/or outputting an alarm signal.
The invention also provides a control device of the water heater, the water heater comprises a bypass pipe, a water inlet pipe, a water outlet pipe and a temperature sensor, and the water outlet pipe comprises a hot water outlet;
the two ends of the bypass pipe are respectively communicated with the water inlet pipe and the water outlet pipe, and the temperature sensor is arranged at the hot water outlet;
the control device includes:
the first water temperature acquisition module is used for starting water outlet again after the water outlet of the hot water outlet stops water outlet for a preset period of time to acquire the water temperature detected by the temperature sensor;
the first blockage judging module is used for determining that the bypass pipe is blocked under the condition that the first temperature difference is not smaller than the second temperature difference;
the first temperature difference is determined according to the water temperature detected by the temperature sensor and a first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops discharging water when the bypass pipe is unobstructed and after the water outlet starts to discharge water again after the preset time, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops discharging water when the bypass pipe is unobstructed.
Optionally, the second temperature difference is determined according to the unobstructed water temperature, the second water outlet temperature, the blocked water temperature and the third water outlet temperature;
the water temperature detected by the temperature sensor is the water temperature detected by the temperature sensor when the bypass pipe is blocked and the hot water outlet stops discharging water after the hot water outlet stops discharging water for the preset time, and the third water outlet temperature is the water temperature detected by the temperature sensor when the bypass pipe is blocked and before the hot water outlet stops discharging water.
Optionally, the control device further includes:
the wind speed lifting module is used for cleaning the wind speed after lifting under the condition that the first temperature difference is not smaller than the second temperature difference;
the second water temperature acquisition module is used for starting water outlet after stopping water outlet for a preset time period again in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor;
the second blockage judging module is used for determining that the bypass pipe is blocked under the condition that the third temperature difference is not smaller than the second temperature difference;
the third temperature difference is determined according to the water temperature detected by the temperature sensor and a fourth water outlet temperature, and the fourth water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops water outlet again.
Optionally, the control device further includes: the working condition acquisition module is used for acquiring the current working condition;
the unobstructed water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is unobstructed under the same working condition as the current working condition, and/or the blocked water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is blocked under the same working condition as the current working condition.
Optionally, the current working condition includes at least one of the following: load state, water flow, ambient temperature.
Optionally, the control device further includes:
and the execution module is used for controlling the water heater to stop running and/or outputting an alarm signal.
The invention also provides a water heater, which comprises a memory, a processor and a computer program stored on the memory and used for running on the processor, wherein the processor realizes the control method of the water heater when executing the computer program.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control method of the water heater of the present invention.
The invention also provides a computer program product comprising a computer program which, when executed by a processor, implements the steps of the control method of the water heater of the invention.
On the basis of conforming to the common knowledge in the field, the optional conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that: the temperature sensor is arranged at the hot water outlet of the water heater, so that the temperature sensor can timely detect the temperature of the hot water outlet when the hot water outlet is discharged; the water temperature of the hot water outlet can be obtained by obtaining the water temperature of the hot water outlet when water is discharged again after water discharge is stopped, namely, the first temperature difference can be obtained, and the water temperature of the hot water outlet can be reduced because of the bypass pipe, so that if the bypass pipe is blocked, the effect can be reduced, the water temperature of the hot water outlet can be higher than that of the bypass pipe when the bypass pipe is unobstructed, the second temperature difference is the water temperature of the bypass pipe when the bypass pipe is unobstructed, whether the bypass pipe is blocked can be timely and accurately judged by comparing the first temperature difference with the second temperature difference, and the potential safety hazard is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a water heater according to embodiment 1 of the present invention.
Fig. 2 is a flow chart of a control method of a water heater according to embodiment 1 of the present invention.
Fig. 3 is a flow chart of another control method of a water heater according to embodiment 1 of the present invention.
Fig. 4 is a block diagram of a control device of a water heater according to embodiment 2 of the present invention.
Fig. 5 is a block diagram of a water heater according to embodiment 3 of the present invention.
Detailed Description
The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1, the water heater includes a bypass pipe 11, a water inlet pipe 12, a water outlet pipe 13 and a temperature sensor 14, wherein the water outlet pipe includes a hot water outlet; two ends of the bypass pipe 11 are respectively communicated with the water inlet pipe 12 and the water outlet pipe 13, and the temperature sensor 14 is arranged at the hot water outlet.
In a specific implementation, the diameter of the bypass pipe is set in relation to the position of the connected water inlet and outlet pipe, the length of the bypass pipe and the highest temperature of the heat exchanger after the bypass pipe is increased.
Referring to fig. 2, the control method of the water heater includes:
s1, starting water discharge again after water discharge of the hot water outlet is stopped for a preset period of time, and acquiring the water temperature detected by the temperature sensor.
S2, comparing whether the first temperature difference is not smaller than the second temperature difference. If yes, go to step S3, if no, go to step S4.
S3, determining the blockage of the bypass pipe.
S4, determining that the bypass pipe is not blocked.
The first temperature difference is determined according to the water temperature detected by the temperature sensor and the first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops water outlet for a preset time when the bypass pipe is unobstructed, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops water outlet when the bypass pipe is unobstructed.
In an alternative embodiment, the steps of the control method further comprise: judging whether a water flow signal exists, if the water flow signal exists, judging whether the water heater burns in a normal ignition mode and exceeds a preset burning duration, if the burning duration of the water heater exceeds the preset burning duration, acquiring the water temperature detected by a temperature sensor, taking the stable water outlet temperature before water outlet stop as a first water outlet temperature, and when the water outlet stop duration exceeds the preset duration, starting water outlet at the moment, acquiring the highest water temperature detected by the temperature sensor after water outlet restarting, and taking the difference between the highest water temperature and the first water outlet temperature as a first temperature difference. For example, if the preset combustion duration is one minute, the preset duration is 5 seconds, the water temperature detected by the temperature sensor is obtained when the combustion duration of the water heater exceeds one minute, and when the water heater stops water outlet, the stable water outlet temperature before the water heater stops water outlet is taken as the first water outlet temperature; when water outlet is restarted after the water outlet stopping time exceeds 5 seconds, obtaining the highest temperature of the water heater after water outlet restarting, subtracting the highest temperature from the first water outlet temperature to obtain a first temperature difference, wherein the first temperature difference is the water-stopping temperature rise of the current water heater, and if the water-stopping temperature rise is too high, the bypass pipe is indicated to be blocked.
In an alternative embodiment, the second temperature difference is determined according to the unobstructed water temperature, the second water outlet temperature, the blocked water temperature and the third water outlet temperature, wherein the blocked water temperature is the water temperature detected by the temperature sensor after the bypass pipe is blocked and the hot water outlet stops water outlet for a preset time period, and the third water outlet temperature is the water temperature detected by the temperature sensor before the bypass pipe is blocked and the hot water outlet stops water outlet. For example, subtracting the second outlet water temperature from the unobstructed water temperature can obtain the water cut-off temperature rise when the bypass pipe is unobstructed, and subtracting the third outlet water temperature from the blocked water temperature can obtain the water cut-off temperature rise when the bypass pipe is blocked; determining a second temperature difference DeltaT 2 The calculation formula of (2) is as follows:
wherein DeltaT O For water-cut-off and temperature-rise when the bypass pipe is blocked, delta T C For the water-stopping temperature rise when the bypass pipe is unobstructed, redundant processing is carried out on the second temperature difference, the water-stopping temperature rise which is slightly higher than the water-stopping temperature rise when the bypass pipe is unobstructed is used as the second temperature difference, and the tolerance of the system is improved.
In an alternative embodiment, referring to fig. 3, step S2 specifically includes:
s21, judging whether the first temperature difference is not smaller than the second temperature difference, if so, executing the steps S22-S24, and if not, executing the step S4.
S22, cleaning the wind speed after lifting.
S23, starting water outlet after stopping water outlet for a preset time again in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor.
S24, judging whether the third temperature difference is not smaller than the second temperature difference, if so, executing the step S3, and if not, executing the step S4.
The third temperature difference is determined according to the water temperature detected by the temperature sensor and the fourth water outlet temperature, and the fourth water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops water outlet again. By judging the water cut-off temperature rise again after the wind speed is cleaned after the wind speed is lifted, whether the bypass pipe is blocked or not can be judged more accurately.
In an alternative embodiment, the steps of the control method further comprise: acquiring a current working condition; the unobstructed water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is unobstructed under the same working condition as the current working condition, and the blocked water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is blocked under the same working condition as the current working condition. Because the corresponding water temperatures under different working conditions are different, the method can more accurately judge whether the bypass pipe is blocked.
In an alternative embodiment, the current operating conditions include at least one of the following: load state, water flow, ambient temperature. Because the influence of the load state, the water flow and the ambient temperature on the water temperature is the greatest, the first temperature and the second temperature corresponding to the current working condition can be more accurately used for judging whether the bypass pipe is blocked or not. Referring to the example of table 1, when the bypass pipe is open, the normal water temperature corresponding to the load state P1, the water flow rate Q1, and the ambient temperature T1 is Δc11. Referring to the example of table 2, when the bypass pipe is blocked, the normal water temperature corresponding to the load state P1, the water flow rate Q1, and the ambient temperature T1 is Δb11.
TABLE 1
TABLE 2
In an alternative embodiment, the step of determining after the bypass pipe is plugged further comprises: and controlling the water heater to stop running. In particular, the gas may be blocked from entering the combustion chamber.
In an alternative embodiment, the step of determining after the bypass pipe is plugged further comprises: and outputting an alarm signal. Specifically, the speaker may be controlled to alert to a user device failure that the user should cease using.
According to the invention, the temperature sensor is arranged at the hot water outlet of the water heater, so that the temperature sensor can timely detect the temperature of the hot water outlet when the hot water outlet is discharged; the water temperature of the hot water outlet can be obtained by obtaining the water temperature of the hot water outlet when the hot water outlet stops discharging water and then discharges water again, namely, the first temperature difference can be obtained, and the water temperature of the hot water outlet can be reduced because of the bypass pipe, so that if the bypass pipe is blocked, the effect can be reduced, the water temperature of the hot water outlet can be higher than that of the bypass pipe when the bypass pipe is unobstructed, the second temperature difference is the water temperature of the bypass pipe when the bypass pipe is unobstructed, and whether the bypass pipe is blocked can be timely and accurately judged by comparing the first temperature difference with the second temperature difference, so that the potential safety hazard is reduced.
Example 2
The embodiment of the invention provides a control device of a water heater, which is used for executing the control method of the water heater in the embodiment 1, wherein the water heater in the embodiment is the same as the water heater in the embodiment 1.
Referring to fig. 4, the control device of the water heater includes a water temperature acquisition module 21 and a clogging determination module 22.
The water temperature obtaining module 21 is used for obtaining the water temperature detected by the temperature sensor in response to the water outlet of the hot water stopping water outlet for a preset period of time and starting water outlet again.
The blockage judging module 22 is used for comparing whether the first temperature difference is not smaller than the second temperature difference. If yes, the bypass pipe is determined to be blocked, and if not, the bypass pipe is determined to be unblocked.
The first temperature difference is determined according to the water temperature detected by the temperature sensor and the first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops water outlet for a preset time when the bypass pipe is unobstructed, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops water outlet when the bypass pipe is unobstructed.
In an alternative embodiment, the water temperature acquisition module 21 is further configured to: judging whether a water flow signal exists, if the water flow signal exists, judging whether the water heater burns in a normal ignition mode and exceeds a preset burning duration, if the burning duration of the water heater exceeds the preset burning duration, acquiring the water temperature detected by a temperature sensor, taking the stable water outlet temperature before water outlet stop as a first water outlet temperature, and when the water outlet stop duration exceeds the preset duration, starting water outlet at the moment, acquiring the highest water temperature detected by the temperature sensor after water outlet restarting, and taking the difference between the highest water temperature and the first water outlet temperature as a first temperature difference. For example, if the preset combustion duration is one minute, the preset duration is 5 seconds, the water temperature detected by the temperature sensor is obtained when the combustion duration of the water heater exceeds one minute, and when the water heater stops water outlet, the stable water outlet temperature before the water heater stops water outlet is taken as the first water outlet temperature; when water outlet is restarted after the water outlet stopping time exceeds 5 seconds, obtaining the highest temperature of the water heater after water outlet restarting, subtracting the highest temperature from the first water outlet temperature to obtain a first temperature difference, wherein the first temperature difference is the water-stopping temperature rise of the current water heater, and if the water-stopping temperature rise is too high, the bypass pipe is indicated to be blocked.
In an alternative embodiment, the second temperature difference is determined according to the unobstructed water temperature, the second water outlet temperature, the blocked water temperature and the third water outlet temperature, wherein the blocked water temperature is the water temperature detected by the temperature sensor after the bypass pipe is blocked and the hot water outlet stops water outlet for a preset time period, and the third water outlet temperature is the water temperature detected by the temperature sensor before the bypass pipe is blocked and the hot water outlet stops water outlet. For example, subtracting the second outlet water temperature from the unobstructed water temperature can obtain the water cut-off temperature rise when the bypass pipe is unobstructed, and subtracting the third outlet water temperature from the blocked water temperature can obtain the water cut-off temperature rise when the bypass pipe is blocked; determining a second temperature difference DeltaT 2 The calculation formula of (2) is as follows:
wherein DeltaT O For water-cut-off and temperature-rise when the bypass pipe is blocked, delta T C For the water-stopping temperature rise when the bypass pipe is unobstructed, redundant processing is carried out on the second temperature difference, the water-stopping temperature rise which is slightly higher than the water-stopping temperature rise when the bypass pipe is unobstructed is used as the second temperature difference, and the tolerance of the system is improved.
In an alternative embodiment, the control device further comprises a wind speed lifting module for lifting the post-sweep wind speed if the first temperature difference is not less than the second temperature difference. And responding to the water outlet of the hot water to stop water discharge again for a preset period of time, and then starting water discharge to acquire the water temperature detected by the temperature sensor. Judging whether the third temperature difference is not smaller than the second temperature difference, if so, determining that the bypass pipe is blocked, and if not, determining that the bypass pipe is not blocked.
The third temperature difference is determined according to the water temperature detected by the temperature sensor and the fourth water outlet temperature, and the fourth water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops water outlet again. By judging the water cut-off temperature rise again after the wind speed is cleaned after the wind speed is lifted, whether the bypass pipe is blocked or not can be judged more accurately.
In an alternative embodiment, the control device further comprises: the working condition acquisition module is used for acquiring the current working condition; the unobstructed water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is unobstructed under the same working condition as the current working condition, and the blocked water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is blocked under the same working condition as the current working condition. Because the corresponding water temperatures under different working conditions are different, the method can more accurately judge whether the bypass pipe is blocked.
In an alternative embodiment, the current operating conditions include at least one of the following: load state, water flow, ambient temperature. Because the influence of the load state, the water flow and the ambient temperature on the water temperature is the greatest, the first temperature and the second temperature corresponding to the current working condition can be more accurately used for judging whether the bypass pipe is blocked or not. Referring to the example of table 1, when the bypass pipe is open, the normal water temperature corresponding to the load state P1, the water flow rate Q1, and the ambient temperature T1 is Δc11. Referring to the example of table 2, when the bypass pipe is blocked, the normal water temperature corresponding to the load state P1, the water flow rate Q1, and the ambient temperature T1 is Δb11.
In an alternative embodiment, the control device further comprises: and the execution module is used for controlling the water heater to stop running. In particular, the gas may be blocked from entering the combustion chamber.
In an alternative embodiment, the execution module is further configured to output an alarm signal. Specifically, the speaker may be controlled to alert to a user device failure that the user should cease using.
According to the invention, the temperature sensor is arranged at the hot water outlet of the water heater, so that the temperature sensor can timely detect the temperature of the hot water outlet when the hot water outlet is discharged; the water temperature of the hot water outlet can be obtained by obtaining the water temperature of the hot water outlet when the hot water outlet stops discharging water and then discharges water again, namely, the first temperature difference can be obtained, and the water temperature of the hot water outlet can be reduced because of the bypass pipe, so that if the bypass pipe is blocked, the effect can be reduced, the water temperature of the hot water outlet can be higher than that of the bypass pipe when the bypass pipe is unobstructed, the second temperature difference is the water temperature of the bypass pipe when the bypass pipe is unobstructed, and whether the bypass pipe is blocked can be timely and accurately judged by comparing the first temperature difference with the second temperature difference, so that the potential safety hazard is reduced.
Example 3
Fig. 5 is a schematic structural diagram of a water heater according to the present embodiment. The water heater includes a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the control method of the water heater of embodiment 1 when executing the program. The water heater 30 shown in fig. 5 is merely an example and should not be construed as limiting the functionality and scope of use of embodiments of the present invention.
As shown in fig. 5, the water heater 30 may be embodied in the form of a general purpose computing device, which may be a server device, for example. The components of the water heater 30 may include, but are not limited to: the at least one processor 31, the at least one memory 32, a bus 33 connecting the different system components, including the memory 32 and the processor 31.
The bus 33 includes a data bus, an address bus, and a control bus.
Memory 32 may include volatile memory such as Random Access Memory (RAM) 321 and/or cache memory 322, and may further include Read Only Memory (ROM) 323.
Memory 32 may also include a program/utility 325 having a set (at least one) of program modules 324, such program modules 324 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The processor 31 executes various functional applications and data processing, such as a control method of the water heater of embodiment 1 of the present invention, by running a computer program stored in the memory 32.
The water heater 30 may also be in communication with one or more external devices 34 (e.g., keyboard, pointing device, etc.). Such communication may be through an input/output (I/O) interface 35. Also, model-generated water heater 30 may also communicate with one or more networks, such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet, through network adapter 36. As shown in fig. 4, the network adapter 36 communicates with the other modules of the model-generated water heater 30 via the bus 33. It should be appreciated that although not shown in FIG. 4, other hardware and/or software modules may be used in connection with model-generated water heater 30, including, but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, data backup storage systems, and the like.
It should be noted that although several units/modules or sub-units/modules of the water heater are mentioned in the above detailed description, this division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more units/modules described above may be embodied in one unit/module in accordance with embodiments of the present invention. Conversely, the features and functions of one unit/module described above may be further divided into ones that are embodied by a plurality of units/modules.
Example 4
The present embodiment provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the control method of the water heater of embodiment 1.
More specifically, among others, readable storage media may be employed including, but not limited to: portable disk, hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible embodiment, the invention may also be realized in the form of a program product comprising program code for causing a terminal device to carry out the steps of the method of realizing the control of the water heater of embodiment 1, when said program product is run on the terminal device.
Wherein the program code for carrying out the invention may be written in any combination of one or more programming languages, which program code may execute entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on the remote device or entirely on the remote device.
Example 5
The present embodiment provides a computer program product which, when executed by a processor, implements the steps of the control method of the water heater in embodiment 1.
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 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 principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (10)
1. The control method of the water heater is characterized in that the water heater comprises a bypass pipe, a water inlet pipe, a water outlet pipe and a temperature sensor, and the water outlet pipe comprises a hot water outlet;
the two ends of the bypass pipe are respectively communicated with the water inlet pipe and the water outlet pipe, and the temperature sensor is arranged at the hot water outlet;
the control method comprises the following steps:
starting water outlet again after stopping water outlet for a preset time in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor;
if the first temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked;
the first temperature difference is determined according to the water temperature detected by the temperature sensor and a first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops discharging water when the bypass pipe is unobstructed and after the water outlet starts to discharge water again after the preset time, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops discharging water when the bypass pipe is unobstructed.
2. The control method of claim 1, wherein the second temperature difference is determined based on a clear water temperature, a second outlet water temperature, a blocked water temperature, and a third outlet water temperature;
the water temperature detected by the temperature sensor is the water temperature detected by the temperature sensor when the bypass pipe is blocked and the hot water outlet stops discharging water after the hot water outlet stops discharging water for the preset time, and the third water outlet temperature is the water temperature detected by the temperature sensor when the bypass pipe is blocked and before the hot water outlet stops discharging water.
3. The control method according to claim 1, wherein if the first temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked comprises:
if the first temperature difference is not smaller than the second temperature difference, the cleaning wind speed after lifting is increased;
starting water outlet after stopping water outlet for a preset time again in response to the hot water outlet, and acquiring the water temperature detected by the temperature sensor;
if the third temperature difference is not smaller than the second temperature difference, determining that the bypass pipe is blocked;
the third temperature difference is determined according to the water temperature detected by the temperature sensor and a fourth water outlet temperature, and the fourth water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops water outlet again.
4. The control method according to claim 2, characterized in that the control method further comprises: acquiring a current working condition;
the unobstructed water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is unobstructed under the same working condition as the current working condition, and/or the blocked water temperature is specifically the water temperature detected by the temperature sensor when the bypass pipe is blocked under the same working condition as the current working condition.
5. The control method of claim 4, wherein the current operating condition comprises at least one of: load state, water flow, ambient temperature.
6. The control method of claim 1, wherein the step of determining after the bypass pipe is plugged comprises:
and controlling the water heater to stop running and/or outputting an alarm signal.
7. The control device of the water heater is characterized in that the water heater comprises a bypass pipe, a water inlet pipe, a water outlet pipe and a temperature sensor, and the water outlet pipe comprises a hot water outlet;
the two ends of the bypass pipe are respectively communicated with the water inlet pipe and the water outlet pipe, and the temperature sensor is arranged at the hot water outlet;
the control device includes:
the water temperature acquisition module is used for starting water outlet again after the water outlet of the hot water outlet stops water outlet for a preset period of time to acquire the water temperature detected by the temperature sensor;
the blockage judging module is used for determining that the bypass pipe is blocked under the condition that the first temperature difference is not smaller than the second temperature difference;
the first temperature difference is determined according to the water temperature detected by the temperature sensor and a first water outlet temperature, wherein the first water outlet temperature is the temperature detected by the temperature sensor before the water outlet of the hot water stops discharging; the second temperature difference is determined according to the unobstructed water temperature and the second water outlet temperature, the unobstructed water temperature is the water temperature detected by the temperature sensor after the hot water outlet stops discharging water when the bypass pipe is unobstructed and after the water outlet starts to discharge water again after the preset time, and the second water outlet temperature is the water temperature detected by the temperature sensor before the hot water outlet stops discharging water when the bypass pipe is unobstructed.
8. A water heater comprising a memory, a processor and a computer program stored on the memory for running on the processor, the processor implementing a method of controlling a water heater as claimed in any one of claims 1 to 6 when the computer program is executed.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements a control method of a water heater as claimed in any one of claims 1-6.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, realizes the steps of the control method of a water heater as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410182373.9A CN117870140A (en) | 2024-02-19 | 2024-02-19 | Water heater, control method, control device, medium and computer program product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410182373.9A CN117870140A (en) | 2024-02-19 | 2024-02-19 | Water heater, control method, control device, medium and computer program product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117870140A true CN117870140A (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410182373.9A Pending CN117870140A (en) | 2024-02-19 | 2024-02-19 | Water heater, control method, control device, medium and computer program product thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117870140A (en) |
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- 2024-02-19 CN CN202410182373.9A patent/CN117870140A/en active Pending
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