CN115480603A - Electric heating system and water purifier - Google Patents
Electric heating system and water purifier Download PDFInfo
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- CN115480603A CN115480603A CN202210893678.1A CN202210893678A CN115480603A CN 115480603 A CN115480603 A CN 115480603A CN 202210893678 A CN202210893678 A CN 202210893678A CN 115480603 A CN115480603 A CN 115480603A
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- 238000005485 electric heating Methods 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 138
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses an electric heating system and a water purifier, wherein the electric heating system comprises a current regulating module and a heating module which are arranged in a heating circuit in series; the electric heating system comprises a first working state and a second working state; in a first working state, the current adjusting module is used for adjusting an external power supply to provide a first supply current for the heating module, and the heating module is used for heating liquid to a first preset temperature according to the first supply current; in a second working state, the current adjusting module is used for adjusting an external power supply to provide a second power supply current for the heating module, and the heating module is used for maintaining a second preset temperature according to a second power supply current heat preservation liquid; the first power supply current is larger than the second public power supply current, and the first preset temperature is larger than the second preset temperature. Supply current who provides heating module is adjusted through current regulation module to make heating module provide different heat output under the heating demand of difference, avoid heating module to cause the electric energy waste with great electric current during operation always.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to an electric heating system and a water purifier.
Background
Water purification products in the existing market, such as electric water boilers, water dispensers, hot water kettles and the like, can meet the requirements of people for drinking water more and more by designing the water purification products to have a heating function, a heat preservation function and the like.
However, most of the existing water purification products use heating tanks with small volume and high cooling speed, and can reach the heat preservation temperature in a short time, but the heating and heat preservation are carried out with constant high power, so that the electric energy consumption is excessive. And through set up in water purification product with heating device and the heat preservation device that different power worked, although can reduce the loss of electric energy, the majority water purification product in the existing market promotes small, should not increase too much device.
Disclosure of Invention
In view of this, embodiments of the present invention provide an electric heating system and a water purifier, so that the electric heating system works with different power supply currents in different working states, and when a liquid needs to be heated, the electric heating system continuously heats the liquid with a higher power supply current and continuously heats the liquid with a higher power, which can save electric energy and protect electric equipment.
In a first aspect, an embodiment of the present invention provides an electric heating system, which includes a current regulation module and a heating module, where the current regulation module and the heating module are serially arranged in a heating circuit;
the electric heating system comprises a first working state and a second working state;
in the first working state, the current adjusting module is used for adjusting an external power supply to provide a first supply current for the heating module, and the heating module is used for heating liquid to a first preset temperature according to the first supply current;
in the second working state, the current adjusting module is used for adjusting the external power supply to provide a second power supply current for the heating module, and the heating module is used for keeping the liquid at a second preset temperature according to the second power supply current; the first power supply current is greater than the second public power supply current, and the first preset temperature is greater than the second preset temperature.
Optionally, the electric heating system further includes a control module, where the control module includes a first control unit, and the first control unit is in communication connection with the current regulation module;
the first control unit is used for controlling the conduction of the current regulation module in the first working state and the second working state.
Optionally, the electric heating system further comprises a third operating state;
the first control unit is further used for controlling the current regulation module to be switched off in the third working state, so that the liquid is cooled from the first preset temperature to the second preset temperature.
Optionally, the electric heating system further includes a switch module, and the switch module is arranged in the heating circuit in series;
the control module also comprises a second control unit which is in communication connection with the switch module;
the second control unit is used for controlling the switch module to be conducted in the first working state and the second working state; and controlling the switch module to be switched off when the current regulation module is in an abnormal condition in the third working state.
Optionally, the switch module includes at least two switch units, and at least two switch units are arranged in the heating circuit in series;
the second control unit is used for controlling at least one switch unit to be switched off when the current regulation module is in an abnormal condition in the third working state.
Optionally, the second control unit is configured to control the at least two switching units to be alternately turned off when the current regulation module is in an abnormal condition in the third operating state.
Optionally, the current regulating module includes a thyristor current rectifying element.
Optionally, the switching unit includes a relay.
Optionally, the heating module comprises an electric heating tube or a heating rod.
In a second aspect, an embodiment of the present invention provides a water purifier, including the electric heating system of any one of the first aspects.
The electric heating system comprises a current adjusting module and a heating module, wherein the current adjusting module and the heating module are connected in series in a heating circuit, the current adjusting module can adjust a power supply current provided by an external power supply for the heating module, and the heating module heats liquid according to the power supply current adjusted by the current adjusting module. Through current regulation module to supply current's adjustment, electric heating system realizes different operating condition, heats the module and heats liquid under the operating condition of difference, prevents to heat the module and work under with higher supply current always, avoids electric heating system to work under higher power always, reduces the waste and the loss of whole electric heating system electric energy, also can avoid electric heating system to be in the damage of each consumer under the high power always simultaneously. And the heating and heat preservation of the liquid can be realized only by arranging one heating module, and the heating system also has the advantages of simple structure and small occupied space.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, a brief description is given below of the drawings used in describing the embodiments. It should be clear that the described figures are only views of some of the embodiments of the invention to be described, not all, and that for a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of an electric heating system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another electric heating system provided by an embodiment of the invention;
FIG. 3 is a schematic structural diagram of another electrical heating system provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water purifier according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below by way of specific embodiments in conjunction with the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, not all embodiments, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts fall within the scope of the present invention.
Fig. 1 is a schematic structural diagram of an electric heating system provided in an embodiment of the present invention, and as shown in fig. 1, an electric heating system 10 includes a current regulation module 100 and a heating module 200, where the current regulation module 100 and the heating module 200 are arranged in series in a heating circuit 300; the electric heating system 10 comprises a first operating state and a second operating state; in the first working state, the current adjusting module 100 is configured to adjust the external power source 400 to provide a first supply current I1 for the heating module 200, and the heating module 200 is configured to heat a liquid (not shown in the figure) to a first preset temperature T1 according to the first supply current I1; in a second working state, the current adjusting module 100 is configured to adjust the external power source 400 to provide a second supply current I2 for the heating module 200, and the heating module 200 is configured to maintain a second preset temperature T2 according to the second supply current I2; the first supply current I1 is greater than the second public supply current I2, and the first preset temperature T1 is greater than the second preset temperature T2.
Specifically, the electric heating system 10 includes a current regulation module 100 and a heating module 200 located on the heating circuit 300, and the current regulation module 100 and the heating module 200 are connected in series in the heating circuit 300 to heat the liquid. The external power source 400 provides power supply current for the heating module 200, so that the heating module 200 is guaranteed to heat up, and heating of liquid is completed. The magnitude of the current value provided by the external power supply 400 is constant, the current adjusting module 100 is used for adjusting the power supply current provided by the external power supply 400 to the heating circuit 300, and the heating module 200 generates heat based on different power supply currents, so that the heating module 200 can heat liquid under different power supply currents.
The current adjusting module 100 adjusts the supply current provided by the external power source 400, so that the electric heating system 10 includes a plurality of operating states. Specifically, the electric heating system includes a first working state and a second working state, in the first working state, the adjustment of the power supply current of the external power supply 400 is realized through the current regulation module 100, and the first power supply current I1 is output, and the heating module 200 generates heat with the first power supply current I1, so as to ensure that the liquid is heated to the first preset temperature T1. In a second working state, the current regulating module 100 regulates the supply current of the external power supply 400 and outputs a second supply current I2, and the heating module 200 generates heat with the second supply current I2, so as to ensure that the liquid is heated to a second preset temperature T2. That is, the current regulating module 100 regulates the supply current provided by the external power supply 400, and the heating module 200 can work at different supply currents to generate heat, so as to heat the liquid and avoid waste of electric energy caused by working at high current and high power. Meanwhile, the heating temperature rise and the heat preservation of the liquid can be realized only by arranging one heating module 200, and the advantages of simple structure and small occupied space of the heating system 10 are reflected.
Further, the first supply current I1 is greater than the second supply current I2, the first preset temperature T1 is greater than the second preset temperature T2, in the first working state, the temperature at which the liquid is required to be heated is higher, the current regulating module 100 regulates the current input from the external power supply 400 to the heating circuit 300, the electric heating system 10 works with the higher supply current, in the second working state, the temperature at which the liquid is required to be heated is lower, the current regulating module 100 regulates the current input from the external power supply 400 to the heating circuit 300, the electric heating system 10 works with the lower supply current, illustratively, the first preset temperature T1 is a liquid boiling temperature, taking the boiling temperature of water at normal temperature and normal pressure of 100 ℃ as an example, the first preset temperature T1 is 100 ℃, the second preset temperature T2 is an appropriate temperature for drinking water by a human body of 45 ℃, and the second preset temperature T2 can be adaptively adjusted according to different application requirements. In a first operating state of the electric heating system 10, the heating module 200 heats the liquid to 100 ℃ with a first supply current I1. The electric heating system 10 continues in the second operating state, in which the heating module 200 keeps the liquid at 45 ℃ at the second supply current I2. The liquid temperature and the supply current are relatively high and low in two working states, and the specific preset temperature and the supply current are not particularly limited in the embodiment of the present invention. Through the actual demand to liquid heating, realize supply current's regulation through current regulation module 100, when avoiding liquid need heat, heating module 200 heats under the high current high power state always, prevents the loss of energy consumption.
In summary, in the electric heating system provided by the embodiment of the present invention, through adjustment of the supply current by the current adjusting module, the electric heating system realizes different working states, the heating module heats the liquid in different working states, so as to prevent the heating module from working at a higher power with a higher supply current, avoid waste and loss of electric energy in the whole electric heating system, and simultaneously avoid damage to each electric device caused by the electric heating system being in a high supply current and power. And the heating and heat preservation of the liquid can be realized only by arranging one heating module, and the heating system also has the advantages of simple structure and small occupied space.
Optionally, the current regulation module 100 includes a thyristor current rectifier element.
The thyristor current rectifier element is, for example, a high-power electrical component, also called a thyristor. Has the advantages of small volume, high efficiency, long service life and the like. In an automatic control system, the device can be used as a high-power driving device to realize the control of high-power equipment by using a low-power control. The current regulating module 100 includes a silicon controlled rectifier (scr) current rectifying element, which can rectify the current, that is, adjust the current output by the current regulating module 100, and further adjust the power supply current, so that the heating module 200 receives different power supplies to operate, and the electric heating system 10 can operate with different power supplies. Meanwhile, the thyristor current rectifier element can control the on and off of the heating circuit 300, so as to ensure that the heating module 200 is in a heating state or a heating stop state. By arranging the thyristor current rectifier element, the heating module 200 is prevented from working at a high power with a high supply current all the time, and the waste and the loss of electric energy of the whole electric heating system 10 are avoided.
Optionally, the heating module 200 comprises an electrically heated tube or a heating rod.
Illustratively, the heating module 200 is a resistive device that heats the liquid by receiving heat generated by the current in the heating circuit 300. The heating module 200 may be an electric heating tube or a heating rod, and the electric heating tube is a tubular electric heating element, is composed of a metal tube spiral resistance wire and crystallized magnesium oxide powder, and has the characteristics of excellent overall performance, super-long service life and easy maintenance, and is suitable for heating air, oil, water, chemical media, hot pressing dies, molten salt, alkali, low-melting-point alloy, and the like. The embodiment of the present invention does not limit the specific type of the heating module 200.
Fig. 2 is a schematic structural diagram of another electric heating system according to an embodiment of the present invention, and referring to fig. 2, the electric heating system 10 further includes a control module 500, the control module 500 includes a first control unit 510, and the first control unit 510 is communicatively connected to the current regulating module 100; the first control unit 510 is configured to control the current adjusting module 100 to be turned on in the first operating state and the second operating state.
The electric heating system 10 further includes a control module 500, the control module 500 stores a corresponding software program in advance, and is in communication connection with the current regulation module 100 to send a regulation instruction to the current regulation module 100, the current regulation module 100 regulates the supply current provided by the external power supply 400, and the heating module 200 obtains different supply currents to heat the liquid, so as to realize different working states of the electric heating system 10.
Further, the control module 500 includes a first control unit 510, and the current regulation module 100 is in communication connection with the first control unit 510, so that the control module 500 regulates the current regulation module 100. Meanwhile, in the first operating state, the heating module 200 heats the liquid with the first supply current I1, so the first control unit 510 controls the current adjusting module 100 to be turned on in the first operating state. In the second operating state, the heating module 200 heats the liquid with the second power supply current I2, so the first control unit 510 controls the current adjusting module 100 to be turned on in the second operating state. Meanwhile, the control module 500 is arranged to switch on the current adjusting module 100, that is, the heating circuit 300 is switched on, so that the heating module 200 is ensured to heat the liquid, the working state of the electric heating system 10 under different power supply currents is further realized, and the electric heating system 10 is ensured to save electric energy when heating the liquid.
With continued reference to fig. 2, the electric heating system 10 further includes a third operating state; the first control unit 510 is further configured to control the current adjusting module 100 to turn off in the third working state, so that the liquid is cooled from the first preset temperature T1 to the second preset temperature T2.
Specifically, the first control module 510 controls the current adjustment module 100 to be turned on in the first working state or the second working state, that is, it is ensured that the heating circuit 300 is turned on, the heating module 200 heats the liquid with the first power supply current I1, or the heating module 200 keeps the temperature of the liquid with the second power supply current I2. The first control module 510 controls the current adjusting module 100 to be turned off in the third working state, that is, it is ensured that the heating circuit 300 is turned off, and the heating module 200 does not heat or preserve heat of the liquid, that is, the liquid is naturally cooled from the first preset temperature T1 reached in the first working state.
Further, the electric heating system 10 heats the liquid to the first preset temperature T1 by the heating module 200 in the first working state. In the third working state, the heating module 200 stops heating the liquid, so that the electric heating system 10 cools the liquid from the first preset temperature T1 to the second preset temperature T2. In the second working state, the heating module 200 of the electric heating system 10 provides heat for the liquid to keep the temperature, so that the liquid is kept at the second preset temperature T2. Illustratively, the electric heating system 10 heats the liquid to 100 ℃ by the heating module 200 in the first working state, and the electric heating system 10 naturally cools the temperature of the liquid from 100 ℃ to 45 ℃ by stopping heating the liquid by the heating module 200 in the third working state, wherein 45 ℃ is a preset second preset temperature T2. In the second operating state, the heating module 200 heats the liquid with a lower current to keep the temperature of the liquid in the electric heating system 10 at 45 ℃. The first control unit 510 controls the current adjusting module 100 to be turned on and off, so as to turn on and off the heating circuit 300, and further realize a heating and heat preserving state or a cooling state of the electric heating system 10.
With continued reference to fig. 2, the electrical heating system 10 further includes a switch module 600, the switch module 600 being disposed in series in the heating circuit 300; the control module 500 further comprises a second control unit 520, and the second control unit 520 is in communication connection with the switch module 600; the second control unit 520 is configured to control the switch module 600 to be turned on in the first operating state and the second operating state; in the third operating state, the switching module 600 is controlled to be turned off when an abnormal condition occurs in the current control module 100.
The electric heating system 10 further includes a switch module 600 connected in series in the heating circuit 300, and the control module 500 controls the switch module 600 to be turned on in the first working state and the second working state, so as to ensure that the heating module 200 obtains the electric energy provided by the external power source 400. In a third working state, the control module 500 controls the current adjusting module 100 to be turned off, the heating circuit 300 to be turned off, the heating module 200 stops obtaining the electric energy provided by the external power source 400, and the control module 500 controls the switch module 600 to be turned on, so that the heating module 200 does not stop heating or keeping the temperature of the liquid. Through under different operating conditions, the control module 500 keeps the switch module 600 turned on, but can avoid the liquid from frequently turning on and off the switch module 600 when heating and keeping warm or stopping heating, which affects the service life of the switch module 600.
Specifically, the control module 500 includes a first control unit 510 and a second control unit 520, the first control unit 510 controls the current regulation module 100 to be turned on and off, and the second control unit 520 controls the switch module 600 to be turned on and off. The control module 500 regulates the switch module 600 and the current regulation module 100 to realize different working states of the electric heating system 10.
Further, in the third operating state, if the first control unit 510 controls the current regulation module 100 to fail, that is, the current regulation module 100 fails to receive the disconnection instruction sent by the control module 500, or the communication connection between the first control unit 510 and the current regulation module 100 fails, it is not ensured that the electric heating system 10 achieves the third operating state. The second control unit 520 is in communication connection with the switch module 600, and the switch module 600 is controlled to be disconnected to ensure that the heating circuit 300 is disconnected, so that the heating module 200 stops supplying temperature to the liquid. The switch module 600 has a safety protection function, so that the electric heating system 10 can work more stably and reliably.
Fig. 3 is a schematic structural diagram of another electric heating system according to an embodiment of the present invention, and referring to fig. 3, a switch module 600 includes at least two switch units 610, and at least two switch units 610 are serially disposed in a heating circuit 300; the second control unit 520 is configured to control the at least one switch unit 610 to be turned off when the current regulation module 100 is in an abnormal condition in the third operating state.
The switch module 600 includes at least two switch units 610, and the switch units 610 are all connected in series in the heating circuit 300, so as to ensure that the electric heating system 10 can better realize the third working state. For example, in fig. 3, two light-on units 610 are taken as an example to illustrate, that is, when the electric heating system 10 needs to perform the third operating state and the current regulating module 100 fails to turn off the heating circuit 300 due to a fault, the fault that may exist in the current regulating module 100 is not specifically limited in the embodiment of the present invention, and the second control unit 520 controls any one of the switch units 610 in the switch module 600 to achieve the third operating state. The reliability of the operation of the electric heating system 10 is ensured by providing at least two switching units 610.
With continued reference to fig. 3, the second control unit 520 is configured to control the at least two switch units 610 to be alternately turned off when the current regulating module 100 is in an abnormal condition in the third operating state.
Specifically, when the current regulation module 100 is in an abnormal condition, the second control unit controls the switch unit 610 to be turned off, so as to implement the third working state of the electric heating system 10. Before the electric heating system 10 enters the third working state, the heating module 200 works with the first supply current I1, and frequent switching on and off of the switch units 610 under high supply current and high power is avoided, so that damage to devices is avoided, and therefore the two switch units 610 work alternately, and it is ensured that the electric heating system 10 provided by the embodiment of the present invention does not cause excessive damage to the devices used in the electric heating system.
Optionally, the switching unit 600 includes a relay. For example, a relay is an electric control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement. It has an interactive relationship between the control system and the controlled system. It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. The switch unit 600 may be a solid-state relay, and the embodiment of the present invention does not limit the specific type of the switch unit 600.
Based on the same inventive concept, fig. 4 is a schematic structural diagram of a water purifier according to an embodiment of the present invention, and the embodiment of the present invention provides a water purifier 1 including an electric heating system 10. The water purifier 1 has the technical effects of the technical solutions in any of the above embodiments, and the structures and terms identical to or corresponding to those in the above embodiments are not repeated herein.
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 modifications, rearrangements, combinations 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 electric heating system is characterized by comprising a current regulation module and a heating module, wherein the current regulation module and the heating module are arranged in a heating circuit in series;
the electric heating system comprises a first working state and a second working state;
in the first working state, the current adjusting module is used for adjusting an external power supply to provide a first supply current for the heating module, and the heating module is used for heating liquid to a first preset temperature according to the first supply current;
in the second working state, the current adjusting module is used for adjusting the external power supply to provide a second power supply current for the heating module, and the heating module is used for keeping the temperature of the liquid at a second preset temperature according to the second power supply current; the first power supply current is greater than the second public power supply current, and the first preset temperature is greater than the second preset temperature.
2. The electrical heating system of claim 1, further comprising a control module comprising a first control unit communicatively coupled to the current regulation module;
the first control unit is used for controlling the conduction of the current regulation module in the first working state and the second working state.
3. An electric heating system according to claim 2, further comprising a third operating state;
the first control unit is further used for controlling the current regulation module to be switched off in the third working state, so that the liquid is cooled from the first preset temperature to the second preset temperature.
4. An electric heating system according to claim 3, further comprising a switching module disposed in series in the heating circuit;
the control module also comprises a second control unit which is in communication connection with the switch module;
the second control unit is used for controlling the switch module to be conducted in the first working state and the second working state; and controlling the switch module to be switched off when the current regulation module is in an abnormal condition in the third working state.
5. An electric heating system according to claim 4, wherein the switching module comprises at least two switching units, at least two of the switching units being arranged in series in the heating circuit;
the second control unit is used for controlling at least one switch unit to be switched off when the current regulation module is in an abnormal condition in the third working state.
6. The electric heating system of claim 5, wherein the second control unit is configured to control at least two of the switching units to be alternately turned off when the current regulation module is in an abnormal condition in the third operating state.
7. An electrical heating system as claimed in claim 1, wherein the current regulation module comprises a thyristor current rectifier element.
8. Electrical heating system as claimed in claim 5, characterized in that the switching unit comprises a relay.
9. The electrical heating system of claim 1, wherein the heating module comprises an electrical heating tube or a heating rod.
10. A water purifier comprising an electric heating system according to any one of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201559 | 2022-03-03 | ||
| CN2022102015595 | 2022-03-03 |
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| CN115480603A true CN115480603A (en) | 2022-12-16 |
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| CN202210893678.1A Pending CN115480603A (en) | 2022-03-03 | 2022-07-27 | Electric heating system and water purifier |
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| CN112306117A (en) * | 2020-11-24 | 2021-02-02 | 珠海格力电器股份有限公司 | Heat preservation control system and control method thereof, foot soaking barrel and electric blanket |
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2022
- 2022-07-27 CN CN202210893678.1A patent/CN115480603A/en active Pending
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| JPH0937930A (en) * | 1995-07-31 | 1997-02-10 | Toshiba Home Technol Corp | Electromagnetic induction heating type heat insulating pot |
| CN203164790U (en) * | 2013-03-27 | 2013-08-28 | 昆明理工大学 | Water dispenser intelligent heating control system |
| CN104914920A (en) * | 2015-04-13 | 2015-09-16 | 广东美的生活电器制造有限公司 | Electric heating kettle power control circuit, method and system and electric heating kettle |
| CN112306117A (en) * | 2020-11-24 | 2021-02-02 | 珠海格力电器股份有限公司 | Heat preservation control system and control method thereof, foot soaking barrel and electric blanket |
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