CN112987819A - Intelligent electric heater - Google Patents

Intelligent electric heater Download PDF

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Publication number
CN112987819A
CN112987819A CN202110209668.7A CN202110209668A CN112987819A CN 112987819 A CN112987819 A CN 112987819A CN 202110209668 A CN202110209668 A CN 202110209668A CN 112987819 A CN112987819 A CN 112987819A
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CN
China
Prior art keywords
module
electrically connected
electric heater
resistor
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110209668.7A
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Chinese (zh)
Inventor
邹裕青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202110209668.7A priority Critical patent/CN112987819A/en
Publication of CN112987819A publication Critical patent/CN112987819A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The embodiment of the invention discloses an intelligent electric heater, when a switch of a selection switch module is positioned at a first selection end, a control module generates a control signal after receiving voice information acquired by a voice module, and a current controller controls the output power of a heating module according to the control signal, so that the electric heater is controlled to start heating or stop heating; when the switch of selection switch module was located the second selection end, drive module exported drive signal according to the voltage of input and the comparative relation of the voltage of reference end, and the switching on or the shutoff of control tube, the electric heater begins the heating when the control tube switches on, and when the control tube shutoff, the electric heater stopped the heating. The intelligent electric heater that this embodiment provided can have two kinds of working methods and available speech control electric heater work, compares in traditional work of leaning on manual switch control electric heater, and the electric heater of this embodiment is more intelligent, convenient.

Description

Intelligent electric heater
Technical Field
The embodiment of the invention relates to the technical field of voice control, in particular to an intelligent electric heater.
Background
Along with the rapid development of social economy, the quality requirement of people on social life is higher and higher, the temperature requirement on indoor environment is higher and higher, and the appearance of electric heater has solved the demand of this one side of user, and especially in winter, the electric heater receives people's favor more.
The traditional electric heater is controlled by a single switch only, and the electric heater is required to be manually controlled when being opened every time and is not intelligent enough.
Disclosure of Invention
The invention provides an intelligent electric heater to realize heating through a voice control electric heater.
The embodiment of the invention provides an intelligent electric heater, which comprises: the device comprises a heating module, a current controller, a control module, a voice module, a selection switch module, a control tube, a driving module, a temperature adjusting module and a reference voltage module;
the voice module is electrically connected with the control module and used for receiving voice information;
the control module is used for generating a control signal according to the voice information;
the first end of the current controller is electrically connected with the control module, the second end of the current controller is electrically connected with a first power supply end, the third end of the current controller is electrically connected with the first selection end of the selection switch module, the common end of the selection switch module is electrically connected with one end of the heating module, the other end of the heating module is electrically connected with a second power supply end, the first power supply end and the second power supply end are connected with an alternating current power supply, and the current controller is used for controlling the output power of the heating module according to the control signal;
the first end of the control tube is electrically connected with the first power supply end, and the second end of the control tube is electrically connected with the second selection end of the selection switch module;
the first end of the temperature adjusting module is electrically connected with the first power supply end, the second end of the temperature adjusting module is electrically connected with the input end of the driving module, and the third end of the temperature adjusting module is electrically connected with the second power supply end;
a first end of the reference voltage module is electrically connected with the first power supply end, a second end of the reference voltage module is electrically connected with a reference end of the driving module, and a third end of the reference voltage module is electrically connected with the second power supply end;
the output end of the driving module is electrically connected with the control end of the control tube, and the driving module is used for outputting a driving signal according to the comparison relation between the voltage of the input end and the voltage of the reference end to control the on/off of the control tube.
Optionally, the temperature adjusting module at least comprises a temperature adjusting unit and a temperature detecting unit;
the temperature adjusting unit comprises a first resistor and a first switch, wherein a first end of the first resistor is electrically connected with the first power supply end, a second end of the first resistor is electrically connected with one end of the first switch, the other end of the first switch is electrically connected with a first end of the temperature detecting unit, and a second end of the temperature detecting unit is electrically connected with the second power supply end;
a first end of the first resistor is used as a first end of the temperature adjusting module, a first end of the temperature detecting unit is used as a second end of the temperature adjusting module, and a second end of the temperature detecting unit is used as a third end of the temperature adjusting module;
the temperature detection unit is used for adjusting the voltage of the input end of the driving module according to the temperature change of the electric heater.
Optionally, the reference voltage module includes a second resistor and a third resistor;
a first end of the second resistor is electrically connected with the first power supply end, a second end of the second resistor is electrically connected with a first end of the third resistor, and a second end of the third resistor is electrically connected with the second power supply end;
the first end of the second resistor is used as the first end of the reference voltage module, the second end of the second resistor is used as the second end of the reference voltage module, and the second end of the third resistor is used as the third end of the reference voltage module.
Optionally, the intelligent electric heater further includes a fourth resistor, a first capacitor, and a fifth resistor;
one end of the fourth resistor is electrically connected with the first end of the control tube, and the other end of the fourth resistor is electrically connected with the second end of the control tube; one end of the first capacitor is electrically connected with the first end of the control tube, the other end of the first capacitor is electrically connected with one end of the fifth resistor, and the other end of the fifth resistor is electrically connected with the second end of the control tube.
Optionally, the control module includes a controller and a conversion unit;
the controller is electrically connected with the conversion unit and used for generating a digital signal according to the voice information;
the conversion unit is used for converting the digital signal into the control signal.
Optionally, the intelligent electric heater further comprises a real-time temperature detection module;
the real-time temperature detection module is electrically connected with the controller and used for acquiring the temperature of the electric heater.
Optionally, the intelligent electric heater further comprises a display module;
the display module is electrically connected with the controller and used for displaying the temperature of the electric heater.
Optionally, the intelligent electric heater further comprises an infrared detection module;
the infrared detection module is electrically connected with the controller and used for acquiring infrared detection information of the surrounding environment of the electric heater.
Optionally, the intelligent electric heater further comprises a current-limiting protection module;
one end of the current-limiting protection module is connected with a loop where the heating module is located, the other end of the current-limiting protection module is electrically connected with the controller, and the current-limiting protection module is used for collecting current of the electric heater.
Optionally, the driving module adopts a UAA1016B chip.
When the switch of the selection switch module of the intelligent electric heater is positioned at the first selection end, the control module generates a control signal after receiving the voice information acquired by the voice module, and the current controller controls the output power of the heating module according to the control signal, so that the electric heater is controlled to start heating or stop heating; when the switch of selection switch module was located the second selection end, drive module exported drive signal according to the voltage of input and the comparative relation of the voltage of reference end, and the switching on or the shutoff of control tube, the electric heater begins the heating when the control tube switches on, and when the control tube shutoff, the electric heater stopped the heating. The intelligent electric heater that this embodiment provided can be through drive module control electric heater work, also can control electric heater work with the voice, compares in traditional work of leaning on manual switch control electric heater, and the electric heater of this embodiment is more intelligent, convenient.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent electric heater according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an intelligent electric heater provided in the second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an intelligent electric heater provided by the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of an intelligent electric heater according to a first embodiment of the present invention, and referring to fig. 1, optionally, the intelligent electric heater includes: the device comprises a heating module 101, a current controller 102, a control module 103, a voice module 104, a selection switch module 105, a control tube T, a driving module 106, a temperature adjusting module 107 and a reference voltage module 108;
the voice module 104 is electrically connected with the control module 103 and is used for receiving voice information;
the control module 103 is used for generating a control signal according to the voice information;
a first end of the current controller 102 is electrically connected with the control module 103, a second end of the current controller 102 is electrically connected with a first power supply end I1, a third end of the current controller 102 is electrically connected with a first selection end A1 of the selection switch module 105, a common end A2 of the selection switch module 105 is electrically connected with one end of the heating module 101, the other end of the heating module 101 is electrically connected with a second power supply end I2, the first power supply end I1 and the second power supply end I2 are connected with an alternating current power supply, and the current controller 102 is used for controlling the output power of the heating module 101 according to a control signal;
the first end B1 of the control tube T is electrically connected with the first power supply end I1, and the second end B2 of the control tube T is electrically connected with the second selection end A3 of the selection switch module 105;
a first end of the temperature regulation module 107 is electrically connected with a first power supply end I1, a second end of the temperature regulation module 107 is electrically connected with an input end D1 of the driving module 106, and a third end of the temperature regulation module 107 is electrically connected with a second power supply end I2;
a first terminal of the reference voltage module 108 is electrically connected to the first power terminal I1, a second terminal of the reference voltage module 108 is electrically connected to the reference terminal D2 of the driving module 106, and a third terminal of the reference voltage module 108 is electrically connected to the second power terminal I2;
the output terminal U of the driving module 106 is electrically connected to the control terminal B3 of the control tube T, and the driving module 106 is configured to output a driving signal according to a comparison relationship between the voltage of the input terminal D1 and the voltage of the reference terminal D2, so as to control the on/off of the control tube T.
The heating module 101 may be a heating wire, a thermistor made of PTC material, or another element capable of generating heat after being energized, the control tube T may be a triac, and when the voltage input from the control end B3 of the control tube T is higher than the threshold voltage of the control tube T, the control tube T is turned on. The control module 103 may be a control chip, the control module 103 may convert voice information input by the voice module 104 into a control signal, the control signal may be an analog quantity, such as a current amount, the current controller 102 may further amplify the current amount output by the control module 103 to make the current sufficient to drive the heating module 101 to operate, when the current output by the current controller 102 is greater than a first current threshold of the heating module 101 (the first current threshold is a minimum current value flowing when the heating module operates normally), the heating module 101 starts heating, when the current output by the current controller 102 is less than the first current threshold of the heating module 101, the heating module 101 stops heating, and the output power of the heating module 101 may be adjusted according to the magnitude of the current amount, and the larger the current output by the current controller 102 is, the larger the output power of the heating module 101 is.
The reference voltage module 108 may be a voltage divider circuit for determining a voltage input by the reference terminal D2 of the driving module 106, the temperature adjusting module 107 may be a temperature adjusting circuit, the temperature adjusting circuit may be composed of elements such as a resistor and a temperature sensor, and adjusting a resistance value of the resistor in the temperature adjusting module 107 may adjust an initial temperature at which the electric heater starts to heat.
The driving module 106 may be a chip, for example, when the voltage input from the input terminal D1 of the driving module 106 is greater than the voltage input from the reference terminal D2 of the driving module 106, the output terminal of the driving module 106 outputs a high level, where the high level is greater than the threshold voltage of the control transistor T, so as to control the conduction of the control transistor T; when the voltage input from the input terminal D1 of the driving module 106 is less than the voltage input from the reference terminal D2 of the driving module 106, the output terminal of the driving module 106 outputs a low level, which is less than the threshold voltage of the control transistor T, so as to turn off the control transistor T.
The selection switch module 105 may be a two-way switch, and when the common terminal a2 of the selection switch module 105 is connected with the first selection terminal a1, the electric heater is in a first working mode, i.e., an automatic state, and the electric heater may be controlled to work by voice; when the common end a2 of the selection switch module 105 is connected with the second selection end A3, the electric heater is in a second working mode, i.e., a manual state, and the on-off of the temperature adjustment module 107 is manually controlled to control the electric heater to start heating and stop heating.
The working principle of the intelligent electric heater is as follows: when the selection switch module 105 is in an automatic state and the electric heater needs to start working, the voice module 104 can input a message of "start heating and low heat running" to the voice module 104, the voice module 104 transmits the obtained voice message to the control module 103 (the control module 103 needs to set a command for controlling the electric heater to work in advance such as "start heating and low heat running" and "stop heating", and also can set different working modes such as "start heating and medium heat running" or "start heating and high heat running", and the current amounts output by the control module 103 in different modes such as low heat, medium heat and high heat are different in magnitude), when the control module 103 determines that the received voice message matches the preset heating command, the control module outputs a first current amount to the current controller 102, and the current controller 102 amplifies the first current amount and outputs the amplified first current amount to the heating module 101 to control the heating module 101 to start heating, and the magnitude of the first current amount determines the magnitude of the output power of the heating module 101, wherein the first current amount is greater than the first current threshold; when the electric heater is required to stop working, information of 'stop heating' can be input to the voice module 104 through voice, the voice module 104 transmits the obtained voice information to the control module 103, when the control module 103 determines that the received voice information is matched with a preset heating stop instruction, a second current amount is output to the current controller 102, the current controller 102 amplifies the second current amount and outputs the amplified second current amount to the heating module 101 to control the heating module 101 to stop heating, and the second current amount is smaller than the first current threshold. When the selection switch module 105 is in the manual state, the temperature adjustment module 107 is connected to the electric heater circuit, the second end of the temperature adjustment module 107 outputs a voltage to the input end D1 of the driving module 106, at this time, the voltage at the input end D1 of the driving module 106 is greater than the voltage at the reference voltage module 108 connected to the reference end D2, the output end U of the driving module 106 outputs a first level (the first level is greater than the threshold voltage of the control tube T) to control the conduction of the control tube T, and after the control tube T is conducted, the heating module 101 starts to heat.
When the switch of the selection switch module of the intelligent electric heater provided by this embodiment is located at the first selection end, the control module generates a control signal after receiving the voice information acquired by the voice module, and the current controller controls the output power of the heating module according to the control signal, so as to control the electric heater to start heating or stop heating; when the switch of selection switch module was located the second selection end, drive module exported drive signal according to the voltage of input and the comparative relation of the voltage of reference end, and the switching on or the shutoff of control tube, the electric heater begins the heating when the control tube switches on, and when the control tube shutoff, the electric heater stopped the heating. The intelligent electric heater that this embodiment provided can be through drive module control electric heater work, also can control electric heater work with the voice, compares in traditional work of leaning on manual switch control electric heater, and the electric heater of this embodiment is more intelligent, convenient.
Example two
Fig. 2 is a schematic structural diagram of an intelligent electric heater according to a second embodiment of the present invention, and referring to fig. 2, in this embodiment, on the basis of the foregoing embodiment, optionally, the driving module 106 employs a UAA1016B chip.
With continued reference to fig. 2, optionally, the temperature adjustment module 107 includes at least one temperature adjustment unit 1071 and a temperature detection unit 1072;
the temperature adjusting unit 1071 includes a first resistor R1 and a first switch Q1, a first end of the first resistor R1 is electrically connected to a first power terminal I1, a second end of the first resistor R1 is electrically connected to one end of a first switch Q1, the other end of the first switch Q1 is electrically connected to a first end of the temperature detecting unit 1072, and a second end of the temperature detecting unit 1072 is electrically connected to a second power terminal I2;
a first end of the first resistor R1 is used as a first end of the temperature adjustment module 107, a first end of the temperature detection unit 1072 is used as a second end of the temperature adjustment module 107, and a second end of the temperature detection unit 1072 is used as a third end of the temperature adjustment module 107;
the temperature detecting unit 1072 is used for adjusting the voltage of the input end D1 of the driving module 106 according to the temperature change of the electric heater.
The temperature detecting unit 1072 may be a temperature sensor, which may be an NTC thermistor (negative temperature coefficient) or a PTC thermistor (positive temperature coefficient), and the temperature detecting unit 1072 of this embodiment may employ an NTC thermistor, i.e., the higher the temperature, the smaller the resistance.
For example, the present embodiment includes only one temperature adjustment unit 1071, and a plurality of temperature adjustment units 1071 may be included in other embodiments. The resistance of the first resistor R1 can be set in advance, when the first switch Q1 is closed, the voltage divided by the first end of the temperature detection unit 1072 is greater than the voltage input by the reference end D2 of the driving module 106, so that the output end U of the driving module 106 outputs the first level to the control end B3 of the control tube T, the heating module 101 is controlled to start heating, the temperature of the electric heater is continuously increased along with the heating of the heating module 101, the resistance of the temperature detection unit 1072 is reduced, the voltage of the first end of the temperature detection unit 1072 is reduced, when the voltage is lower than the voltage of the reference end D2 of the driving module 106, the output end U of the driving module 106 outputs the second level, the control tube T is turned off, the heating module stops heating, or when the electric heater is not required to continue heating, the first switch Q1 can be directly turned off.
When the electric heater includes two temperature regulation units 1071, can set for the resistance of the resistance that each temperature regulation unit 1071 corresponds according to the demand to can begin the corresponding temperature regulation unit 1071 of initial temperature selection according to the electric heater. For example, when the temperature is 5 degrees, the resistance value of the resistor of the temperature detection unit 1072 is a first resistance value, and when the temperature is 10 degrees, the resistance value of the resistor of the temperature detection unit 1072 is a second resistance value, the resistance value of the first resistor corresponding to the first temperature adjustment unit is a third resistance value, and the resistance value of the resistor corresponding to the second temperature adjustment unit is a fourth resistance value. Adjusting the third resistance value so that when the ambient temperature is 5 degrees, the voltage input by the input end D1 of the driving module 106 after voltage division according to the first resistance value and the third resistance value is just greater than the voltage input by the reference end D2, adjusting the fourth resistance value, when the ambient temperature is 10 degrees, the voltage input by the input terminal D1 of the driving module 106 after voltage division according to the second resistance value and the fourth resistance value is just greater than the voltage input by the reference terminal D2, when the temperature is lower than 5 ℃ and the electric heater starts heating, the switch corresponding to the first temperature adjusting unit is closed, when we need the temperature to be less than 10 degrees electric heaters and begin to heat, the switch that closed second temperature regulating unit corresponds can, can set up a plurality of temperature regulating unit 1071 according to the difference of the temperature that the electric heater begins to heat according to this, according to the user's demand selection needs closed first switch can.
With continued reference to FIG. 2, optionally, the reference voltage module 108 includes a second resistor R2 and a third resistor R3;
a first end of the second resistor R2 is electrically connected to the first power terminal I1, a second end of the second resistor R2 is electrically connected to a first end of the third resistor R3, and a second end of the third resistor R3 is electrically connected to the second power terminal I2;
a first terminal of the second resistor R2 is used as a first terminal of the reference voltage module 108, a second terminal of the second resistor R2 is used as a second terminal of the reference voltage module 108, and a second terminal of the third resistor R3 is used as a third terminal of the reference voltage module 108.
The resistance values of the second resistor R2 and the third resistor R3 are set such that the voltage input to the reference terminal D2 of the driving module 106 after voltage division by the second resistor R2 and the third resistor R3 is the required reference voltage.
The periphery of the driving module 106 further includes some components to implement a function of outputting a driving signal to control the on or off of the control transistor T according to the voltage magnitude relationship between the input terminal D1 and the reference terminal D2, the peripheral components include a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a diode VD, a second capacitor C2 and a third capacitor C3, a first end of the sixth resistor R6 is electrically connected to the reference terminal D2 of the driving module 106, a second end of the sixth resistor R6 is electrically connected to a first end of the seventh resistor R7, a second end of the seventh resistor R7 is electrically connected to the second power terminal D2, a second end of the sixth resistor R6 is further electrically connected to the first end D3 of the driving module 106, a first end of the second capacitor C2 is electrically connected to the second end D4 of the driving module 106, a second end of the second capacitor C2 is electrically connected to the second power terminal D2, and a first end of the eighth resistor R8 is electrically connected to the third end D5 of the driving module 106, a second end of the eighth resistor R8 is electrically connected to an anode end of the diode VD, a cathode end of the diode VD is electrically connected to the second power source terminal I2, one end of the third capacitor C2 is electrically connected to a first end of the eighth resistor R8, the other end of the third capacitor C2 is electrically connected to the fourth end D6 and the first power source terminal I1 of the driving module 106, respectively, a second end of the temperature detecting unit 1072, a second end of the third resistor R3, a second end of the seventh resistor R7, and a second end of the second capacitor C2 are electrically connected to a first end of the eighth resistor R8, that is, the temperature detecting unit 1072, the third resistor R3, the seventh resistor R7, and the second capacitor C2 are electrically connected to the second power source terminal I2 through the eighth resistor R8 and the diode VD, the driving module 106 directly draws power from the ac power supply line connected between the first power supply terminal I1 and the second power supply terminal I2 through the eighth resistor R8, the diode VD, and the third capacitor C3.
With continued reference to fig. 2, optionally, the intelligent electric heater further includes a fourth resistor R4, a first capacitor C1, and a fifth resistor R5;
one end of the fourth resistor R4 is electrically connected with the first end B1 of the control tube T, and the other end of the fourth resistor R4 is electrically connected with the second end B2 of the control tube T; one end of the first capacitor C1 is electrically connected to the first end B1 of the control tube T, the other end of the first capacitor C1 is electrically connected to one end of the fifth resistor R5, and the other end of the fifth resistor R5 is electrically connected to the second end B2 of the control tube T.
The first capacitor C1 is connected in parallel to two ends of the control tube T, so as to prevent the control tube T from being broken down when the voltage value of the alternating current connected between the first power supply terminal I1 and the second power supply terminal I2 suddenly increases, and the fourth resistor R4 and the fifth resistor R5 are connected in parallel to the control tube T respectively, so as to reduce the voltage at two ends of the control tube T, and prevent the control tube T from being broken down when the voltage at two ends of the control tube T is too high.
The technical scheme of this embodiment can adjust the temperature that the electric heater began to heat through temperature regulation unit and temperature detecting element, can set up a plurality of temperature regulation units in order to satisfy the user and open the demand of the temperature that the electric heater heated to the difference, simultaneously, connects in parallel fourth resistance, first electric capacity, fifth resistance at the control tube both ends and can prevent that control tube both ends voltage is too high to be punctured.
EXAMPLE III
Fig. 3 is a schematic structural diagram of an intelligent electric heater according to a third embodiment of the present invention, referring to fig. 3, optionally, the control module 103 includes a controller 1031 and a conversion unit 1032;
the controller 1031 is electrically connected to the conversion unit 1032 and is configured to generate a digital signal according to the voice information;
the conversion unit 1032 is configured to convert the digital signal into a control signal.
The controller 1031 may be an STM32 central processing unit, the converting unit 1032 may be a D/a converter, after the voice module 104 transmits the acquired voice information to the controller 1031, the controller 1031 generates a digital signal according to the voice information, the digital signal may be a digital quantity that can be processed by the STM32 central processing unit, the STM32 central processing unit transmits the digital quantity to the D/a converter, the D/a converter converts the digital quantity into a control signal, wherein the control signal may be a current quantity, and a digital quantity may correspond to a current quantity.
With continuing reference to fig. 3, optionally, the intelligent controller further includes a real-time temperature detection module 109, and the real-time temperature detection module 109 is electrically connected to the controller 1031 and is configured to obtain the temperature of the electric heater
The real-time temperature detection module 109 can be a temperature sensor, and can acquire the temperature of the electric heater in real time. When the environment temperature is heated to a certain required temperature by the electric heater, the electric heater can be controlled by voice to stop after being heated to the required temperature. Illustratively, after the voice information is acquired by the voice module 104, "start heating and heating to 30 degrees" is input, the controller 1031 stores the information "start heating to 30 degrees" and converts the information "start heating" into a first digital quantity, the first digital quantity is converted into a corresponding first current quantity by the conversion unit 1032, the first current quantity is transmitted to the current controller 102, the current controller 102 amplifies the first current quantity and then controls the heating module 101 to start heating, during the heating, the real-time temperature detection module 109 acquires the temperature of the electric heater in real time and transmits the acquired temperature to the controller 1031, when the temperature of the electric heater acquired by the real-time temperature detection module 109 is 30 degrees, the controller 1031 outputs a second digital quantity to the conversion unit 1032, the conversion unit 1032 converts the second digital quantity into a second current quantity and transmits the second current quantity to the current controller 102, the current controller 102 amplifies the second amount of current and transmits the amplified second amount of current to the heater module 101, and the second amount of current is smaller than the first current threshold of the heater module 101, so that the heater module 101 stops heating. After a period of time, when the real-time temperature detection module 109 detects that the temperature of the electric heater is lower than 30 degrees, the controller 1031 controls the heating module 101 to restart heating, so that the temperature of the electric heater is kept at about 30 degrees, and constant temperature adjustment is realized.
With continued reference to fig. 3, optionally, the intelligent electric heater further includes a display module 110, and the display module 110 is electrically connected to the controller 1031 for displaying the temperature of the electric heater.
The display module 110 may be a nixie tube, and after the real-time temperature detection module 109 obtains the temperature of the electric heater and transmits the temperature information to the controller 1031, the controller 1031 may display the current temperature of the electric heater in the display module 110, which is convenient for the user to view.
With reference to fig. 3, optionally, the intelligent electric heater further includes an infrared detection module 111, where the infrared detection module 111 is electrically connected to the controller 1031, and is configured to obtain infrared detection information of an environment around the electric heater.
Infrared detection module 111 can be pyroelectric sensor, and when the electric heater worked under automatic status, when infrared detection module 111 detected that someone was located the setting distance of electric heater, generated first infrared information and transmitted this information to controller 1031, when the infrared detection information that controller 1031 obtained was first infrared detection information and obtained current electric heater temperature through real-time temperature detection module 109 and is less than the threshold temperature of setting for first infrared detection information, controller 1031 control heating module 101 begins the heating, wherein the initial temperature that the threshold temperature began the heating for the electric heater of setting for. Can be close to the electric heater and when current electric heater temperature is less than threshold temperature someone through infrared detection module, open the electric heater automatically for the electric heater is more intelligent.
With reference to fig. 3, optionally, the intelligent electric heater further includes a current-limiting protection module 112, one end of the current-limiting protection module 112 is connected to a loop where the heating module 101 is located, the other end of the current-limiting protection module 112 is electrically connected to the controller 1031, and the current-limiting protection module 112 is configured to collect current of the electric heater.
The maximum current value allowed to flow by the heating module 101 during normal operation is set in the controller 1031 as the second current threshold value, the current limiting protection module 112 obtains the current value flowing through the heating module 101 and transmits the current value to the controller 1031, and when the controller 1031 obtains that the current value acquired by the current limiting protection module 112 is greater than the second current threshold value, the heating module 101 is controlled to stop heating, so that the heating module 101 is prevented from being damaged by excessive current.
The intelligent electric heater that this embodiment provided passes through the temperature of real-time temperature detection module real-time detection electric heater, makes the electric heater heat to required temperature according to voice information control heating module work, and makes the electric heater can maintain at required temperature, realizes thermostatic control's effect. The intelligent electric heater is characterized in that the intelligent electric heater is also automatically started when someone is close to the electric heater through the infrared detection module and the current temperature of the electric heater is lower than a threshold temperature, so that the electric heater is more intelligent, the current of the electric heater is detected in real time through the current-limiting protection module, and when the current of the electric heater is greater than a threshold current value, the electric heater is controlled to stop heating, and the electric heater is prevented from being damaged due to overlarge current.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An intelligent electric heater, comprising: the device comprises a heating module, a current controller, a control module, a voice module, a selection switch module, a control tube, a driving module, a temperature adjusting module and a reference voltage module;
the voice module is electrically connected with the control module and used for receiving voice information;
the control module is used for generating a control signal according to the voice information;
the first end of the current controller is electrically connected with the control module, the second end of the current controller is electrically connected with a first power supply end, the third end of the current controller is electrically connected with the first selection end of the selection switch module, the common end of the selection switch module is electrically connected with one end of the heating module, the other end of the heating module is electrically connected with a second power supply end, the first power supply end and the second power supply end are connected with an alternating current power supply, and the current controller is used for controlling the output power of the heating module according to the control signal;
the first end of the control tube is electrically connected with the first power supply end, and the second end of the control tube is electrically connected with the second selection end of the selection switch module;
the first end of the temperature adjusting module is electrically connected with the first power supply end, the second end of the temperature adjusting module is electrically connected with the input end of the driving module, and the third end of the temperature adjusting module is electrically connected with the second power supply end;
a first end of the reference voltage module is electrically connected with the first power supply end, a second end of the reference voltage module is electrically connected with a reference end of the driving module, and a third end of the reference voltage module is electrically connected with the second power supply end;
the output end of the driving module is electrically connected with the control end of the control tube, and the driving module is used for outputting a driving signal according to the comparison relation between the voltage of the input end and the voltage of the reference end to control the on/off of the control tube.
2. The intelligent electric heater according to claim 1, wherein the temperature adjusting module comprises at least one temperature adjusting unit and a temperature detecting unit;
the temperature adjusting unit comprises a first resistor and a first switch, wherein a first end of the first resistor is electrically connected with the first power supply end, a second end of the first resistor is electrically connected with one end of the first switch, the other end of the first switch is electrically connected with a first end of the temperature detecting unit, and a second end of the temperature detecting unit is electrically connected with the second power supply end;
a first end of the first resistor is used as a first end of the temperature adjusting module, a first end of the temperature detecting unit is used as a second end of the temperature adjusting module, and a second end of the temperature detecting unit is used as a third end of the temperature adjusting module;
the temperature detection unit is used for adjusting the voltage of the input end of the driving module according to the temperature change of the electric heater.
3. The intelligent electric heater according to claim 1, wherein the reference voltage module comprises a second resistor and a third resistor;
a first end of the second resistor is electrically connected with the first power supply end, a second end of the second resistor is electrically connected with a first end of the third resistor, and a second end of the third resistor is electrically connected with the second power supply end;
the first end of the second resistor is used as the first end of the reference voltage module, the second end of the second resistor is used as the second end of the reference voltage module, and the second end of the third resistor is used as the third end of the reference voltage module.
4. The intelligent electric heater according to claim 1, further comprising a fourth resistor, a first capacitor and a fifth resistor;
one end of the fourth resistor is electrically connected with the first end of the control tube, and the other end of the fourth resistor is electrically connected with the second end of the control tube; one end of the first capacitor is electrically connected with the first end of the control tube, the other end of the first capacitor is electrically connected with one end of the fifth resistor, and the other end of the fifth resistor is electrically connected with the second end of the control tube.
5. The intelligent electric heater according to claim 1, wherein the control module comprises a controller and a conversion unit;
the controller is electrically connected with the conversion unit and used for generating a digital signal according to the voice information;
the conversion unit is used for converting the digital signal into the control signal.
6. The intelligent electric heater according to claim 5, further comprising a real-time temperature detection module;
the real-time temperature detection module is electrically connected with the controller and used for acquiring the temperature of the electric heater.
7. The intelligent electric heater according to claim 6, further comprising a display module;
the display module is electrically connected with the controller and used for displaying the temperature of the electric heater.
8. The intelligent electric heater according to claim 6, further comprising an infrared detection module;
the infrared detection module is electrically connected with the controller and used for acquiring infrared detection information of the surrounding environment of the electric heater.
9. The intelligent electric heater according to claim 5, further comprising a current limiting protection module;
one end of the current-limiting protection module is connected with a loop where the heating module is located, the other end of the current-limiting protection module is electrically connected with the controller, and the current-limiting protection module is used for collecting current of the electric heater.
10. The intelligent electric heater according to claim 1, wherein the driving module employs a UAA1016B chip.
CN202110209668.7A 2021-02-24 2021-02-24 Intelligent electric heater Pending CN112987819A (en)

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CN202110209668.7A CN112987819A (en) 2021-02-24 2021-02-24 Intelligent electric heater

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Application Number Priority Date Filing Date Title
CN202110209668.7A CN112987819A (en) 2021-02-24 2021-02-24 Intelligent electric heater

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CN112987819A true CN112987819A (en) 2021-06-18

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Country Link
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105892528A (en) * 2016-05-26 2016-08-24 成都灯岛科技有限公司 Improved electric heater control circuit
CN106152251A (en) * 2016-08-15 2016-11-23 珠海格力电器股份有限公司 gear control method, circuit and electric heater
CN107171908A (en) * 2017-06-09 2017-09-15 厦门盈趣科技股份有限公司 BLEMesh devices based on voice terminal
CN207741178U (en) * 2018-01-16 2018-08-17 南京邮电大学 A kind of household electric heater energy-saving protective system based on human testing
CN108684090A (en) * 2018-06-28 2018-10-19 张健 A kind of intelligent electric blanket
CN208846524U (en) * 2018-07-19 2019-05-10 安徽师范大学 Auxiliary circuit for electric heater
CN110410844A (en) * 2019-08-02 2019-11-05 珠海格力电器股份有限公司 A kind of electric heater control method, device, electric heater and readable storage medium storing program for executing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105892528A (en) * 2016-05-26 2016-08-24 成都灯岛科技有限公司 Improved electric heater control circuit
CN106152251A (en) * 2016-08-15 2016-11-23 珠海格力电器股份有限公司 gear control method, circuit and electric heater
CN107171908A (en) * 2017-06-09 2017-09-15 厦门盈趣科技股份有限公司 BLEMesh devices based on voice terminal
CN207741178U (en) * 2018-01-16 2018-08-17 南京邮电大学 A kind of household electric heater energy-saving protective system based on human testing
CN108684090A (en) * 2018-06-28 2018-10-19 张健 A kind of intelligent electric blanket
CN208846524U (en) * 2018-07-19 2019-05-10 安徽师范大学 Auxiliary circuit for electric heater
CN110410844A (en) * 2019-08-02 2019-11-05 珠海格力电器股份有限公司 A kind of electric heater control method, device, electric heater and readable storage medium storing program for executing

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