CN114060892B - Constant-temperature bathroom heater, control method thereof and storage medium - Google Patents
Constant-temperature bathroom heater, control method thereof and storage medium Download PDFInfo
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- CN114060892B CN114060892B CN202111455315.1A CN202111455315A CN114060892B CN 114060892 B CN114060892 B CN 114060892B CN 202111455315 A CN202111455315 A CN 202111455315A CN 114060892 B CN114060892 B CN 114060892B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
Abstract
The invention discloses a constant-temperature bathroom heater, a control method thereof and a storage medium, wherein the method comprises the following steps: acquiring an ambient temperature value; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element. According to the invention, the power supply voltage of the heating element is controlled by adjusting the conduction state of the switch module, so that the constant bathroom temperature is realized, the user comfort experience is improved, the power change of the heating element is controlled by using the switch module, the control algorithm is simple, meanwhile, the switch module can replace complex and high-cost equipment such as a variable frequency motor and a variable frequency plate in the conventional constant-temperature bathroom heater, and the cost of the bathroom heater is reduced.
Description
Technical Field
The invention relates to the field of bathroom heaters, in particular to a constant-temperature bathroom heater, a control method thereof and a storage medium.
Background
The existing constant-temperature bathroom heater mostly adopts a heating and blowing combined mode, the temperature control mostly adopts a relay control mode or a frequency conversion technology, the temperature control of the relay control mode is inaccurate, and frequent and rapid switching actions cannot be achieved; the frequency conversion technology is to change the blowing speed of the bathroom heater by using a frequency conversion plate and a frequency conversion motor, so as to change the air outlet temperature after passing through a heating element, and the control cost is higher, the wind power is negligent and negligent, and the experience is poor; the adopted frequency conversion control mode needs a frequency conversion motor, a frequency conversion plate, high hardware cost and complex control algorithm; the relay control mode is inaccurate in temperature control, larger in error, larger in frequent on-off current impact of the heating element of the bathroom heater, and the service life of the heating element is damaged.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a constant temperature bathroom heater, a control method thereof and a storage medium thereof, so as to solve the technical problems that the bathroom heater cannot quickly adjust temperature control and is negligent in wind power.
The technical scheme provided by the invention is as follows:
an embodiment of the present invention provides a control method for a constant temperature bathroom heater, which is characterized by comprising: acquiring an ambient temperature value; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element.
Optionally, adjusting the on state of the switch module according to the comparison result, and changing the supply voltage of the heating element includes: when the set temperature threshold is larger than the environment temperature value, increasing the conduction state of the switch module, and increasing the power supply voltage of the heating element; when the set temperature threshold is smaller than the environment temperature value, the conduction state of the switch module is reduced, and the power supply voltage of the heating element is reduced; when the set temperature threshold is equal to the ambient temperature value, the conducting state of the switch module is set to a first preset value, and the power supply voltage of the heating unit is set to a preset value.
Optionally, when the set temperature threshold is greater than the ambient temperature value, increasing the conduction state of the switch module, the power supply voltage of the heating element increases, including: when the set temperature threshold is larger than the environment temperature value, the set temperature threshold and the environment temperature value are subjected to difference to obtain a first difference value; judging the magnitudes of the first difference value and the first temperature threshold value; and when the first difference value is larger than a first temperature threshold value, controlling the conduction state of the switch module to be maximum.
Optionally, when the set temperature threshold is greater than the ambient temperature value, increasing the conduction state of the switch module, and increasing the power supply voltage of the heating element, further includes: and when the first difference value is smaller than a first temperature threshold value, determining the conduction state of the switch module according to the first difference value and the conduction state at the previous moment.
Optionally, when the set temperature threshold is smaller than the ambient temperature value, reducing the conduction state of the switch module, and reducing the supply voltage of the heating element, including: when the set temperature threshold is smaller than the environment temperature value, the environment temperature value and the set temperature threshold are subjected to difference to obtain a second difference value; judging the magnitudes of the second difference value and a second temperature threshold value; and when the second difference value is larger than a second temperature threshold value, controlling the conduction state of the switch module to be a second preset value.
Optionally, when the set temperature threshold is smaller than the ambient temperature value, reducing the conduction state of the switch module, and reducing the supply voltage of the heating element, further including: and when the second difference value is smaller than a second temperature threshold value, controlling the conduction state of the switch module to be a third preset value, wherein the third preset value is smaller than the second preset value.
Optionally, the control method of the constant temperature bathroom heater further comprises the following steps: and generating a function mode based on the user according to the comparison of the user set temperature and the preset function mode.
Optionally, the comparing the user set temperature with the preset function mode includes: when the user set temperature is within the temperature area range of the preset functional mode, the on state of the switch module is adjusted according to the environment temperature value and the temperature area range of the preset functional mode; and when the user-set temperature is not in the temperature region range of the preset functional mode, adjusting the conduction state of the switch module according to the environment temperature value and the user-set temperature.
A second aspect of the embodiment of the present invention provides a constant temperature bathroom warmer, which is characterized by comprising: the device comprises a temperature sensor, a switch module, a heating element and a microprocessor; the temperature sensor is used for collecting an ambient temperature value; the microprocessor is used for acquiring an ambient temperature value; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element.
A third aspect of the embodiment of the present invention provides a computer-readable storage medium, where computer instructions are stored, where the computer instructions are configured to cause a computer to execute the method for controlling a constant temperature bathroom heater according to any one of the first aspect and the first aspect of the embodiment of the present invention.
The technical scheme provided by the invention has the following effects:
according to the constant-temperature bathroom heater, the control method and the storage medium thereof provided by the embodiment of the invention, the environmental temperature value is obtained; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element. According to the invention, the power supply voltage of the heating element is controlled by adjusting the conduction state of the switch module, so that the constant bathroom temperature is realized, the user comfort experience is improved, the power change of the heating element is controlled by using the switch module, the control algorithm is simple, meanwhile, the switch module can replace complex and high-cost equipment such as a variable frequency motor and a variable frequency plate in the conventional constant-temperature bathroom heater, and the cost of the bathroom heater is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a control method of a constant temperature bathroom heater according to an embodiment of the present invention;
FIG. 2 is a workflow diagram of a method of controlling a thermostatic bath according to an embodiment of the present invention;
FIG. 3 is a block diagram of a preset function mode according to a user set temperature according to an embodiment of the present invention;
FIG. 4 is a workflow diagram of a user set temperature versus preset function mode comparison in accordance with an embodiment of the present invention;
FIG. 5 is a specific workflow diagram for comparing a user set temperature to a preset functional mode in accordance with an embodiment of the present invention;
fig. 6 is a block diagram of a thermostat bathroom heater according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a computer-readable storage medium provided according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a microprocessor in a constant temperature bathroom heater according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a control method of a constant-temperature bathroom heater, which is shown in fig. 1 and comprises the following steps:
step S101: an ambient temperature value is obtained.
After the bathroom heater is started, the temperature sensor in the bathroom heater measures the environmental temperature value in real time, and feeds back the measured environmental temperature value to the control system of the bathroom heater.
Step S102: and comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result.
The control system of the bathroom heater compares the measured ambient temperature value with a set temperature threshold. The set temperature threshold may be a control system externally input to the thermostatic bath.
Step S103: and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element.
The switch module in this embodiment may be a thyristor or other power switch device. The following describes the adjustment process using the switch module as a thyristor: after the bath heater is started, the heating element is controlled to run for 15 minutes at full power to preheat the bath heater, then the conduction angle of the controllable silicon is adjusted by utilizing a chopping technology according to the comparison result of the environmental temperature value and the set temperature threshold value, the conduction angle of the controllable silicon is controlled by the real-time comparison of the environmental temperature value and the preset temperature threshold value, the power supply of the heating element is chopped, the effective voltage value supplied to the heating element is changed in real time, and therefore the heating power of the heating element is changed in real time. Under the condition that the blowing speed of the alternating current motor is unchanged, the heat of the air outlet can be changed in real time, so that the environment temperature is stabilized near the set temperature.
According to the control method of the constant-temperature bathroom heater, the environmental temperature value is obtained; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction state of the switch module according to the comparison result, and changing the power supply voltage of the heating element. According to the invention, the power supply voltage of the heating element is controlled by adjusting the conduction state of the switch module, so that the temperature of the bathroom is constant, and the user comfort experience is improved. And the power change of the heating element is controlled by using the switch module, the control algorithm is simple, and meanwhile, the switch module can replace complex and high-cost equipment such as a variable frequency motor, a variable frequency plate and the like in the conventional constant-temperature bathroom heater, so that the cost of the bathroom heater is reduced.
In an embodiment, as shown in fig. 2, adjusting the on state of the switch module according to the comparison result, and changing the supply voltage of the heating element includes: when the set temperature threshold is larger than the ambient temperature value, the conduction state of the switch module is increased, and the power supply voltage of the heating element is increased; when the set temperature threshold value is smaller than the environment temperature value, the conduction state of the switch module is reduced, and the power supply voltage of the heating element is reduced; when the set temperature threshold is equal to the ambient temperature value, the conducting state of the switch module is set to be a first preset value, and the power supply voltage of the heating unit is set to be a preset value.
For example, if the switch module is a silicon controlled rectifier, when the set temperature threshold is greater than the ambient temperature threshold, the angle of the conduction angle of the silicon controlled rectifier is reduced, the power supply voltage to the heating element is increased, the power of the heating element is also increased, and the ambient temperature is increased; when the set temperature threshold is smaller than the ambient temperature value, the conduction angle of the controllable silicon is increased, and the power supply voltage to the heating element is reduced. When the ambient temperature value reaches the set temperature threshold, the conduction angle of the silicon controlled rectifier operates at a preset angle, such as 120 degrees, for 10 seconds, so that the temperature of the bathroom is increased. The relation between the power of the heating element and the conduction angle of the silicon controlled rectifier is as follows:
wherein A is the conduction angle of the silicon controlled rectifier, the range is 0 degree or more and less than 180 degrees, and P is as follows: operating power of heating element, P 0 Is the full power value of the heating element.
In an embodiment, as shown in fig. 2, when the set temperature threshold is greater than the ambient temperature value, the on state of the switch module is increased, and the power supply voltage of the heating element is increased, including:
when the set temperature threshold is larger than the ambient temperature value, the set temperature threshold is differenced from the ambient temperature value to obtain a first difference value; judging the first difference value and the first temperature threshold value; and when the first difference value is larger than the first temperature threshold value, controlling the conduction state of the switch module to be maximum. And when the first difference value is smaller than the first temperature threshold value, determining the conduction state of the switch module according to the first difference value and the conduction state at the previous moment.
When the set temperature threshold is greater than the ambient temperature value, the set temperature threshold and the ambient temperature value are differenced to obtain a first difference value, the first temperature threshold can be determined according to practical conditions, for example, the first temperature threshold is 3 ℃, the first difference value is compared with the 3 ℃, and when the first difference value is greater than 3 ℃, the conduction angle of the silicon controlled rectifier is 0 degrees, and the heating element of the bathroom heater operates for 20 seconds under full power. When the first difference is smaller than 3 ℃, the conduction angle of the silicon controlled rectifier is increased, and at the moment, the conduction angle of the silicon controlled rectifier can be determined based on the first difference and the conduction state at the previous moment, and the silicon controlled rectifier operates for 10 seconds with the power, and meanwhile, the heating power of the heating element is changed. The conduction angle determination formula of the silicon controlled rectifier is as follows:
A＝A 0 +(T m -T c )*30
wherein A is the conduction angle of the silicon controlled rectifier, A 0 For the controllable conduction angle at the previous moment, the range is 0 degree or more and less than 180 degrees, and Tm is a temperature threshold set for the bathroom heater; tc is the real-time detection of the environmental temperature value of the bathroom by the temperature sensor.
In an embodiment, as shown in fig. 2, when the set temperature threshold is smaller than the ambient temperature value, the on state of the switch module is reduced, and the power supply voltage of the heating element is reduced, including: when the set temperature threshold is smaller than the ambient temperature value, the ambient temperature value and the set temperature threshold are subjected to difference to obtain a second difference value; judging the magnitudes of the second difference value and the second temperature threshold value; and when the second difference value is larger than the second temperature threshold value, controlling the conduction state of the switch module to be a second preset value. When the second difference value is smaller than the second temperature threshold value, the conduction state of the control switch module is a third preset value, and the third preset value is smaller than the second preset value.
When the set temperature threshold is smaller than the ambient temperature value, the difference between the ambient temperature value and the set temperature threshold is made to obtain a second difference value, the second temperature threshold can be determined according to practical situations, for example, the second temperature threshold is 1 ℃, when the second difference value is larger than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 150 degrees, the heating power of the heating element is determined according to the formula and operates for 10 seconds according to the power, the ambient temperature value is reduced, whether the reduced ambient temperature value is equal to the set temperature threshold is judged, and when the ambient temperature value reaches the set temperature threshold, the conduction angle of the silicon controlled rectifier operates at a preset angle of 120 degrees for 10 seconds, so that the bathroom temperature is increased. When the second difference is smaller than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 170 ℃, the heating power of the heating element is determined according to the formula, and the environment temperature value and the set temperature threshold value are judged after the second difference is operated for 10 seconds.
When the ambient temperature value reaches the set temperature threshold, if the current conduction angle of the thyristor is continuously used for conduction, the bathroom temperature continuously rises or falls, and based on the characteristics of the conduction angle of the thyristor and the heating power of the heating element and the data of multiple experiments, the heating power of the heating element already meets the requirement of maintaining constant temperature when the conduction angle of the thyristor runs at a preset angle according to different conditions, so that the conduction angle of the thyristor runs at the preset angle.
Specifically, as shown in fig. 2, the control method of the constant temperature bathroom heater provided by the invention specifically comprises the following steps: firstly, a user sets a target temperature according to requirements, taking a switch module as an example of a silicon controlled rectifier, when the bathroom heater is started, the conduction angle of the silicon controlled rectifier is conducted at 0 DEG, so that the heating element is operated for 15 minutes at full power for preheating; after 15 minutes, comparing the bathroom environment temperature value measured in real time by a temperature sensor in the bathroom heater with a set temperature threshold value; when the set temperature threshold is larger than the ambient temperature value, the set temperature threshold and the ambient temperature value are subjected to difference to obtain a first difference value, the first temperature threshold can be determined according to practical conditions, for example, the first temperature threshold is 3 ℃, the first difference value is compared with the 3 ℃, and when the first difference value is larger than 3 ℃, the conduction angle of the silicon controlled rectifier is 0 degrees, and the heating element of the bathroom heater operates for 20 seconds under full power. When the first difference is smaller than 3 ℃, the conduction angle of the silicon controlled rectifier is increased, and at the moment, the conduction angle of the silicon controlled rectifier can be determined based on the first difference and the conduction state at the previous moment, and the silicon controlled rectifier operates for 10 seconds with the power, and meanwhile, the heating power of the heating element is changed. When the set temperature threshold is smaller than the ambient temperature value, the difference between the ambient temperature value and the set temperature threshold is made to obtain a second difference value, the second temperature threshold can be determined according to practical situations, for example, the second temperature threshold is 1 ℃, when the second difference value is larger than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 150 degrees, the heating power of the heating element is determined according to the formula and operates at the power for 10 seconds, the ambient temperature value is reduced, whether the reduced ambient temperature value is equal to the set temperature threshold is judged, and when the ambient temperature value reaches the set temperature threshold, the conduction angle of the silicon controlled rectifier operates at a preset angle, for example, 120 degrees for 10 seconds, so that the bathroom temperature is increased. When the second difference is smaller than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 170 ℃, the heating power of the heating element is determined according to the formula, and the environment temperature value and the set temperature threshold value are judged after the second difference is operated for 10 seconds.
The bathroom heater of this embodiment has three default modes: a cold winter warm-keeping mode, a bath strong warm mode and a dressing weak warm mode.
The cold winter temperature-sending mode is suitable for cold winter, a toilet is cold after getting up in the morning, the toilet is very cold and uncomfortable to get up and wash, the cold winter temperature-sending mode can be started at the moment, the default temperature of the cold winter temperature-sending mode is 20-25 ℃, after the mode is started, warm air blown out of a bathroom heater is regulated in real time, and the temperature of the toilet can be constantly controlled within the range of 20-25 ℃ through temperature feedback of a temperature sensor; the toilet is comfortable to wash and use at the ambient temperature, the bathroom is not too cold, and the comfort level experience is good. The start and close of the cold winter temperature-sending mode can be set in advance through the mobile phone APP, and can also be set through the bathroom heater controller; the user habit can be automatically saved through the APP, repeated setting is not needed, and the bathroom heater can be automatically opened and closed according to the user habit.
The strong heating mode of the bath is suitable for a working mode in the bath process, the normal bathroom heater always runs at higher air temperature after being started for air heating, chest distress of a human body can be caused due to evaporation of hot water vapor during bath and high-temperature air blown by the bathroom heater, the high-temperature and high-humidity environment enables the user to experience very poor bath experience, the bath temperature is adjustable through combination of an algorithm and a sensor, high-temperature air blowing cannot be continuously performed, and the bathroom temperature is ensured to be constant within a range of 35-45 ℃. The mode can also set the temperature range of the strong heating mode in advance through the mobile phone APP, can automatically save the use habit of a user through the APP, does not need repeated setting, and can automatically start the mode according to the habit of the user.
The weak heating mode of the bathroom is suitable for working modes when the bathroom is used for blowing hair, wiping body and other scenes after the bathroom is finished, the air heating temperature of a common bathroom heater is not adjustable, and when the bathroom is just washed, sweat is generated due to high-temperature blowing, and the bathroom is very poor in experience.
The bathroom warmer can be customized for multiple users, and can theoretically store mode data of countless users; for example, a family three-mouth person, the user 1 can define three mode parameters liked by the user 1, when the user 1 uses, only the mode corresponding to the user 1 is selected, repeated setting is not needed before each use, and the data set by the user 1 can be saved in advance.
Three users are defaulted at first by the bathroom warmer, new users can be added by adding user buttons, taking user 1 as an example, clicking the user 1 button on the bathroom warmer controller to enter a mode selection interface, displaying three modes by default, and a mode can be added at the interface through adding a mode button, such as a cold winter temperature sending mode, to enter a temperature setting interface; clicking a determination button, and storing data; when the user 1 is used next time, only the user 1 is needed to be selected, the cold winter temperature sending mode is selected, and the corresponding mode operation can be started by clicking the starting button.
The user setting data can be downloaded to the user mobile phone APP through communication technologies such as Bluetooth or WIFI, and the user can directly start or close the mode wanted by the user through the APP. The user can also add the user and the adding mode through the mobile phone APP, and update the relevant settings through Bluetooth or WiFi and other communication.
In an embodiment, as shown in fig. 3, on the basis of the three preset modes, the control method of the constant temperature bathroom heater further includes: and generating a function mode based on the user according to the comparison of the user set temperature and the preset function mode.
In one embodiment, as shown in fig. 4, the comparison of the user set temperature and the preset function mode includes: when the user set temperature is within the temperature area range of the preset functional mode, the on state of the switch module is adjusted according to the environment temperature value and the temperature area range of the preset functional mode; and when the user-set temperature is not in the temperature region range of the preset functional mode, adjusting the conduction state of the switch module according to the ambient temperature value and the user-set temperature.
The cold winter temperature-sending mode is taken as an example, and other modes are the same. As shown in FIG. 5, when the temperature set by the user is within 20-25 ℃, comparing the minimum value 20 ℃ and the maximum value 25 ℃ of the environment temperature value with the default temperature range, when the environment temperature value is smaller than the minimum value 20 ℃ of the default temperature range, starting the heating element of the bathroom heater, obtaining a third difference value by making a difference between the environment temperature value and the set temperature threshold, comparing the third difference value with the third temperature threshold, and in order to keep the environment temperature to change between 20-25 ℃, setting the third temperature threshold to be 1-4 ℃, for example, setting the third temperature threshold to be 3 ℃, comparing the third difference value with the 3 ℃, and when the third difference value is larger than 3 ℃, the conduction angle of the silicon controlled rectifier is 0 DEG, and the heating element of the bathroom heater runs for 20 seconds under full power. When the third difference is smaller than 3 ℃, the conduction angle of the silicon controlled rectifier is increased, and at the moment, the conduction angle of the silicon controlled rectifier can be determined based on the third difference and the conduction state at the previous moment, and the silicon controlled rectifier operates for 10 seconds with the power, and meanwhile, the heating power of the heating element is changed. When the ambient temperature value reaches the maximum temperature of 25 ℃ in the mode, the conduction angle of the silicon controlled rectifier operates at 120 ℃ for 10 seconds, so that the temperature of the bathroom is increased; when the ambient temperature value is greater than the default temperature minimum value of 20 ℃, the heating element of the bathroom heater does not operate, and only the blowing mode is started.
When the temperature set by the user is greater than 25 ℃, comparing the ambient temperature with the set temperature, when the ambient temperature value is smaller than the temperature set by the user, differentiating the ambient temperature value with the set temperature threshold to obtain a fourth difference value, comparing the fourth difference value with the fourth temperature threshold, wherein the fourth temperature threshold can be determined according to practical situations, for example, the fourth temperature threshold is 1 ℃, when the fourth difference value is greater than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 120 ℃, the heating power of the heating element is determined by the change formula of the heating element power, and operates for 10 seconds with the power, the ambient temperature value is reduced, and whether the reduced ambient temperature value is equal to the ambient temperature value is judged. When the fourth difference value is smaller than 1 ℃, the conduction angle of the silicon controlled rectifier operates at 170 ℃, the heating power of the heating element is determined according to the change formula of the heating element power, and after the heating element is operated for 10 seconds, the environment temperature value and the set temperature threshold value are judged, and the circulation is performed, so that the environment temperature is ensured to be changed at the set temperature accessory. When the environmental temperature value is greater than the set temperature, the heating element of the bathroom heater does not operate, and only the blowing mode is started.
The embodiment of the invention also provides a constant temperature bathroom heater, as shown in fig. 6, comprising: a temperature sensor 101, a switch module 102, a heating element 103 and a microprocessor 104.
A temperature sensor 101 for acquiring an ambient temperature value; for details, refer to the related description of step S101 in the above method embodiment, and no further description is given here.
The microprocessor 104 is used for acquiring an ambient temperature value; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; and according to the comparison result, the conduction proportion of the switch module 102 is adjusted, and the power supply voltage of the heating element 103 is changed. For details, refer to the description related to step S102 and step S103 in the above method embodiment, and the details are not repeated here.
The constant temperature bathroom heater provided by the implementation is provided with a temperature sensor, a switch module, a heating element and a microprocessor. The temperature sensor is used for acquiring an ambient temperature value, and the microprocessor is used for acquiring the ambient temperature value and comparing the ambient temperature value with a set temperature threshold value to obtain a comparison result; and adjusting the conduction proportion of the switch module according to the comparison result, and changing the power supply voltage of the heating element. According to the invention, the power supply voltage of the heating element is controlled by adjusting the on state of the switch module, so that the temperature of a bathroom is constant, the user comfort experience is increased, the power change of the heating element is controlled by using the switch module, the control algorithm is simple, meanwhile, the switch module can replace complex and high-cost equipment such as a variable-frequency motor and a variable-frequency board in the conventional constant-temperature bathroom heater, and the cost of the bathroom heater is reduced.
The embodiment of the present invention also provides a storage medium, as shown in fig. 7, on which a computer program 601 is stored, which when executed by a processor, implements the steps of the control method of the thermostatic bath in the above embodiment. The storage medium also stores audio and video stream data, characteristic frame data, interactive request signaling, encrypted data, preset data size and the like. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a Flash Memory (Flash Memory), a Hard Disk (HDD), or a Solid State Drive (SSD); the storage medium may also comprise a combination of memories of the kind described above.
It will be appreciated by those skilled in the art that implementing all or part of the above-described embodiment method may be implemented by a computer program to instruct related hardware, where the program may be stored in a computer readable storage medium, and the program may include the above-described embodiment method when executed. Wherein the storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a random access Memory (RandomAccessMemory, RAM), a Flash Memory (Flash Memory), a Hard Disk (HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
In the embodiment of the present invention, as shown in fig. 8, the microprocessor in the thermostat bathroom warmer may include a processor 51 and a memory 52, where the processor 51 and the memory 52 may be connected by a bus or other manners, and in fig. 8, the connection is exemplified by a bus.
The processor 51 may be a central processing unit (Central Processing Unit, CPU). The processor 51 may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or combinations thereof.
The memory 52 serves as a non-transitory computer readable storage medium that may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as corresponding program instructions/modules in embodiments of the present invention. The processor 51 executes various functional applications of the processor and data processing by running non-transitory software programs, instructions, and modules stored in the memory 52, that is, implements the layout optimization method of the electric vehicle motor controller in the above-described method embodiment.
The memory 52 may include a memory program area that may store an operating device, an application program required for at least one function, and a memory data area; the storage data area may store data created by the processor 51, etc. In addition, memory 52 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 52 may optionally include memory located remotely from processor 51, which may be connected to processor 51 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 52 and when executed by the processor 51, perform the method of controlling a thermostatic bath as in the embodiment shown in fig. 1-5.
The specific details of the microprocessor may be understood with reference to the corresponding relevant descriptions and effects of the embodiments shown in fig. 1 to 5, which are not repeated herein.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (7)
1. The control method of the constant temperature bathroom heater is characterized by comprising the following steps of:
acquiring an ambient temperature value;
comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result;
according to the comparison result, the conduction state of the switch module is regulated, and the power supply voltage of the heating element is changed;
and adjusting the conduction state of the switch module according to the comparison result to change the power supply voltage of the heating element, wherein the method comprises the following steps: when the set temperature threshold is larger than the environment temperature value, increasing the conduction state of the switch module, and increasing the power supply voltage of the heating element;
when the set temperature threshold is larger than the environment temperature value, the set temperature threshold and the environment temperature value are subjected to difference to obtain a first difference value;
judging the magnitudes of the first difference value and the first temperature threshold value;
when the first difference value is larger than a first temperature threshold value, controlling the conduction state of the switch module to be maximum;
when the first difference value is smaller than a first temperature threshold value, determining the conduction state of the switch module according to the first difference value and the conduction state at the previous moment; when the set temperature threshold is smaller than the ambient temperature value, the conduction state of the switch module is reduced, the power supply voltage of the heating element is reduced, the switch module is a silicon controlled rectifier, and the conduction angle determination formula of the silicon controlled rectifier is as follows:
A＝A 0 +(T m -T c )*30
wherein A is the conduction angle of the silicon controlled rectifier, A 0 For the controllable conduction angle at the previous moment, the range is more than or equal to 0 degree and less than 180 degrees, and T is more than or equal to 0 degree m Setting a temperature threshold for the bathroom heater; t (T) c For the real-time detection of the bathroom ambient temperature value by the temperature sensor, the relation between the power of the heating element and the conduction angle of the silicon controlled rectifier is as follows:
wherein A is the conduction angle of the silicon controlled rectifier, the range is 0 degree or more and less than 180 degrees, and P is as follows: operating power of heating element, P 0 The power value is the full power value of the heating element;
when the set temperature threshold is equal to the ambient temperature value, the conducting state of the switch module is set to a first preset value, and the power supply voltage of the heating element is set to a preset value.
2. The control method of a constant temperature bathroom heater according to claim 1, wherein when the set temperature threshold is smaller than the ambient temperature value, reducing the on state of the switch module, the power supply voltage of the heating element is reduced, comprising:
when the set temperature threshold is smaller than the environment temperature value, the environment temperature value and the set temperature threshold are subjected to difference to obtain a second difference value;
judging the magnitudes of the second difference value and a second temperature threshold value;
and when the second difference value is larger than a second temperature threshold value, controlling the conduction state of the switch module to be a second preset value.
3. The control method of a constant temperature bathroom heater according to claim 2, wherein when the set temperature threshold is smaller than the ambient temperature value, the on state of the switch module is reduced, and the power supply voltage of the heating element is reduced, further comprising:
and when the second difference value is smaller than a second temperature threshold value, controlling the conduction state of the switch module to be a third preset value, wherein the third preset value is smaller than the second preset value.
4. The method for controlling a constant temperature bathroom heater according to claim 1, further comprising: and generating a function mode based on the user according to the comparison of the user set temperature and the preset function mode.
5. The method according to claim 4, wherein the comparison between the user-set temperature and the preset function mode comprises:
when the user set temperature is within the temperature area range of the preset functional mode, the on state of the switch module is adjusted according to the environment temperature value and the temperature area range of the preset functional mode;
and when the user-set temperature is not in the temperature region range of the preset functional mode, adjusting the conduction state of the switch module according to the environment temperature value and the user-set temperature.
6. A constant temperature bathroom heater, characterized by comprising: the device comprises a temperature sensor, a switch module, a heating element and a microprocessor;
the temperature sensor is used for collecting an ambient temperature value;
the microprocessor is used for acquiring an ambient temperature value; comparing the environmental temperature value with a set temperature threshold value to obtain a comparison result; according to the comparison result, the conduction state of the switch module is regulated, and the power supply voltage of the heating element is changed; when the set temperature threshold is larger than the environment temperature value, increasing the conduction state of the switch module, and increasing the power supply voltage of the heating element; when the set temperature threshold is larger than the environment temperature value, the set temperature threshold and the environment temperature value are subjected to difference to obtain a first difference value; judging the magnitudes of the first difference value and the first temperature threshold value; when the first difference value is larger than a first temperature threshold value, controlling the conduction state of the switch module to be maximum; when the first difference value is smaller than a first temperature threshold value, determining the conduction state of the switch module according to the first difference value and the conduction state at the previous moment; when the set temperature threshold is smaller than the ambient temperature value, the conduction state of the switch module is reduced, the power supply voltage of the heating element is reduced, the switch module is a silicon controlled rectifier, and the conduction angle determination formula of the silicon controlled rectifier is as follows:
A＝A 0 +(T m -T c )*30
wherein A is the conduction angle of the silicon controlled rectifier, A 0 For the controllable conduction angle at the previous moment, the range is more than or equal to 0 degree and less than 180 degrees, and T is more than or equal to 0 degree m Setting a temperature threshold for the bathroom heater; t (T) c For the real-time detection of the bathroom ambient temperature value by the temperature sensor, the relation between the power of the heating element and the conduction angle of the silicon controlled rectifier is as follows:
wherein A is the conduction angle of the silicon controlled rectifier, the range is 0 degree or more and less than 180 degrees, and P is as follows: operating power of heating element, P 0 The power value is the full power value of the heating element; when the set temperature threshold is equal to the ambient temperature value, the conducting state of the switch module is set to a first preset value, and the power supply voltage of the heating element is set to a preset value.
7. A computer-readable storage medium storing computer instructions for causing the computer to execute the control method of the constant temperature bathroom warmer according to any one of claims 1 to 5.
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