CN103720341A - Frequency conversion electric heating kettle - Google Patents
Frequency conversion electric heating kettle Download PDFInfo
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- CN103720341A CN103720341A CN201310697181.3A CN201310697181A CN103720341A CN 103720341 A CN103720341 A CN 103720341A CN 201310697181 A CN201310697181 A CN 201310697181A CN 103720341 A CN103720341 A CN 103720341A
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- heat
- frequency conversion
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- generating pipe
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Abstract
The discloses a frequency conversion electric heating kettle which comprises a kettle body, a base, a kettle cover and a heating tube. The kettle body is connected with the base. The heating tube is mounted at the bottom of the kettle body and connected with a control circuit. The electric heating kettle further comprises a frequency conversion heating circuit board and a control panel. The frequency conversion heating circuit board is disposed inside the base. A heating circuit and a frequency conversion control circuit are integrated in the circuit board. The heating circuit comprises the heating tube which is serially connected with a rectifying element. A relay is disposed at one end of the heating tube. By the fast heating devices such as the infrared crystal heating tube or the silicon oxide heating tube, water can be heated to the preset value fast, and the heating time is shortened greatly.
Description
Technical field
The present invention relates to a kind of heat generation device, particularly a kind of domestic electric heating kettle.
Background technology
Electric kettle is a kind of electric heating appliance of small-sized heating spoon meat, can be used to boil water, warm milk, boiled egg and noodles etc., of many uses.The external form of electric kettle is close with common kettle, pot lid, kettle body, heating, base and handle, consists of.Heating is arranged on bottom, heating after energising.Electric kettle can be divided into two kinds of plain edition and Automatic-temperatures by performance.Automatic-temperature is equipped with temperature controller in base, and at the bottom of kettle, temperature rises to a certain degree, can automatic cut-off power, use convenient.Electric kettle has the features such as fast, simple in structure, easy to use that heat, for people house, travelling provide convenience.
The brand of the electric kettle of selling is in the market very many, the function of electric kettle is also varied, but the mode of heating of a lot of electric kettles is all to use traditional electrothermal tube to heat, this mode of heating generally needs 3-5 minutes, in heating process, electric current remains constant, but constant current heating is not suitable for heating milk, and constant current heats the power consumption more of relative frequency conversion current flow heats.
Secondly, after many electric kettles are boiled water, be incubated, when temperature reduces, temperature controller control circuit continues water to be heated to predetermined value, can heat up water like this, the water of electric kettle the inside will be heated repeatedly, nutriment in water will run off, if but wait when drinking water and heat and need wait can drink hot water for a long time.
Domestic patent database disclosed some relevant electric calorifie installation patented technologies in recent years:
[patent No.] CN201020109434.2 for example, [title] a kind of Quick electric kettle, [notification number] CN201624522, a kind of Quick electric kettle is disclosed, comprise kettle body (1) and kettle seat (2), it is characterized in that being connected with efficient external heat-generating pipe (3) at the bottom of kettle, at the bottom of kettle, inwardly protruding forms insulation sheet lid (4), within PTC insulation sheet (9) is located at this insulation sheet lid (4), described kettle body (1) one side is connected with handle (5), handle (5) top is provided with and comprises azeotropic gear (61), stop block (62), the button (6) of Automatic-heating gear (63), Hu Bi bottom is provided with azeotropic indicator lamp (7) and Automatic-heating indicator lamp (8).The beneficial effects of the utility model are: easy and simple to handle, save time, fast, and can 360 degree Arbitrary Rotations, can make water temperature remain on steady state.
[patent No.] CN97210615.4 for example; [title] a kind of electric kettle; [notification number] CN2285108; this utility model discloses a kind of electric kettle that liquid measure surplus is controlled of realizing; structurally include kettle body, pot lid, Hu Zui, handgrip and electric calorifie installation; in the middle of kettle body bottom, be provided with heat-conducting metal boss, the upper surface of boss exceeds kettle body inner bottom surface; Electric calorifie installation setting and temperature controller are arranged on the inner upper end of boss; During use; when the upper surface dehydration of boss; temperature controller work; electric calorifie installation power-off; and because the upper surface of boss exceeds the inner bottom surface of kettle body; between at the bottom of boss and kettle, also have certain liquid measure, make the surplus of heated liquid controlled, the fine adjustment of liquid residue is only realized by the quantitative porcelain ring of liquid measure and porcelain; Of the present utility model simple in structure, dependable performance, is especially applicable to the decoction of Chinese medicine.
[patent No.] CN02283221.1 for example, [title] a kind of self-circulating multi-purpose electric heating pot, [notification number] CN2590502, this utility model discloses a kind of self-circulating multi-purpose electric heating pot, it is characterized in that: in base (1), be provided with thermocouple conduit (2), on base (1), be at least provided with two the first conduit (5) and the second conduits (8) that double as column, described the first conduit (5) and the second conduit (8) top are provided with bearing (11), described bearing (11) top is provided with container (7), and bottom is provided with embedded filtration air deflector (6); Described the first conduit (5) top is communicated with described container (7), bottom is communicated with described thermocouple conduit (2), described embedded filtration air deflector (6) is led on described the second conduit (8) top, and bottom is communicated with described thermocouple conduit (2); Described base (1) is provided with described embedded filtration air deflector (6) and exports corresponding kettle (4).
Above innovation and creation have all adopted identical mode of heating---and use traditional electrothermal tube to heat, in heating process, electric current remains constant, and when water is entered the reduction of insulation model temperature after boiled, temperature controller control circuit continues water to be heated to predetermined value.Such mode of heating, is not suitable for heating milk, cooking noodle, egg etc., secondly constant current heats longer, the power consumption more of relative frequency conversion electric current heat time, finally, in insulating process, the water of electric kettle the inside can be heated repeatedly, and the nutriment in water will run off.
In sum, there is the problems such as long, power consumption large, function singleness of heat time in existing electric kettle comparatively speaking.
Summary of the invention
The object of the invention is to solve existing electric kettle and have the problems such as long, power consumption large, function singleness of heat time, the frequency conversion electric kettle of a kind of moment instant heating is provided.
A kind of frequency conversion electric kettle of the present invention, comprise kettle body, base, pot lid and heat-generating pipe, described kettle body is connected with base, heat-generating pipe is arranged on kettle body bottom and is connected with control circuit, also comprise variable-frequency heating circuit board and control panel, described variable-frequency heating circuit board is arranged on base inside, is integrated with heater circuit and frequency conversion control circuit in plate; Described heater circuit comprises the series connection of heat-generating pipe and rectifier cell, and heat-generating pipe one end is provided with relay; Described frequency conversion control circuit is being provided with transformer near power interface place, wave filter immediately after transformer, and the current output terminal of wave filter connects frequency-variable controller, and described frequency-variable controller is connected with the control utmost point of rectifier cell by holding wire; Described control panel is located to be put on pot lid, comprises temperature sense module, current control module, gear control module and display module;
Described temperature sense module, is connected with the temperature sensor in kettle body by holding wire, is responsible for Real-Time Monitoring heat-generating pipe surrounding space temperature, and monitoring result is delivered to current control module;
Described current control module, is connected with frequency-variable controller controller by holding wire, according to heat-generating pipe surrounding space temperature, to frequency-variable controller, sends corresponding feedback control signal;
Described gear control module is connected with driving switch by holding wire, is responsible for transmitting gear signal to current control module;
Described display module is connected with display by holding wire, to display, transmits every display parameters.
Described heater circuit is being provided with earth detector near electric source line interface place, and heat-generating pipe has at least one end to be in series with relay, and heat-generating pipe is connected with earth detector by relay.
Heat-generating pipe is infrared crystal heat-generating pipe or silicon oxide ceramics heat-generating pipe.
Described control panel also comprises functional control module, and functional control module storage inside has the power frequency control program matching with corresponding function, and functional control module selects button to be connected with function, is responsible for to current control module propagation function signal.
Described display is arranged on pot lid, and display and control panel are one-body molded, in control panel inside, by signal data line, is connected with display module.
Described control panel is also provided with SR.
Electric source line interface is arranged on base below, and kettle body is provided with kettle ear, and battery main switch is arranged on kettle ear outside.
Between kettle body and base, be provided with thermal insulation layer, described thermal insulation layer is vacuum heat-insulating layer or insulating layer of asbestos.
Frequency conversion electric kettle of the present invention, compared with prior art, the present invention is due to nonstorage calorifiers such as infrared crystal heat-generating pipe or silicon oxide ceramics heat-generating pipes, can fast water be heated to predetermined value, greatly shortened the heat time, so because firing rate need to be drunk heating at any time at any time without water is repeatedly heated and is incubated soon, so can not break the nutritional labeling in ring water.
The present invention can also be for heating milk soup even, because utilize microcomputerized control heating process, when boiling milk, noodles, by frequency-variable controller, in the different heating periods, change the frequency of different output, thereby change the angle of flow of rectification unit, the size of the electric current of electric kettle heat-generating pipe is flow through in control, reaches and changes heating-up temperature and put forward the effect of boiling firepower, so it is better to cook mouthfeel or the taste of next milk, soup.
Due in the different linear size of current that change of caloric value section that add, the linear heating power that changes, can save electric energy to greatest extent, and can exempt existing electric kettle heat-generating pipe in the large current power dissipation that starts moment, so power and energy saving more.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is frequency conversion electric kettle structural representation of the present invention.
Fig. 2 is the circuit structure principle schematic of frequency conversion electric kettle of the present invention.
In figure, 1-kettle body; 2-base; 3-pot lid; 4-power interface; 5-display; 6-heat-generating pipe; 7-temperature sensor; 8-control panel; 9-frequency-variable controller; 10-rectifier cell; 11-relay; 12-earth detector; 13-transformer; 14-wave filter; 15-battery main switch.
The specific embodiment
As shown in Figure 1, 2, frequency conversion electric kettle of the present invention, comprise kettle body 1, base 2, pot lid 3 and heat-generating pipe 6, described kettle body is connected with base, heat-generating pipe is arranged on kettle body bottom and is connected with control circuit, also comprise variable-frequency heating circuit board and control panel 8, described variable-frequency heating circuit board is arranged on base inside, is integrated with heater circuit and frequency conversion control circuit in plate; Described heater circuit comprises the series connection of heat-generating pipe and rectifier cell 10, and heat-generating pipe one end is provided with relay 11; Described rectifier cell is bidirectional triode thyristor, by changing thyristor operating angle, controls the magnitude of current that flows through heat-generating pipe.Frequency-variable controller 9 is connected with the control utmost point of bidirectional triode thyristor by pulsewidth modulation (PWM) control signal wire.
Described frequency conversion control circuit is being provided with transformer 13 near power interface 4 places, wave filter 14 immediately after transformer, and the current output terminal of wave filter connects frequency-variable controller, and described frequency-variable controller 9 is connected with the control utmost point of rectifier cell by holding wire; Described control panel is located to be put on pot lid, comprises temperature sense module, current control module, gear control module and display module;
Described temperature sense module, is connected with the temperature sensor 7 in kettle body by holding wire, is responsible for Real-Time Monitoring heat-generating pipe surrounding space temperature, and monitoring result is delivered to current control module;
Described current control module, is connected with frequency-variable controller 9 controllers by holding wire, according to heat-generating pipe surrounding space temperature, to frequency-variable controller, sends corresponding feedback control signal; Frequency-variable controller changes the frequency of different output in the different heating periods, thereby changes the angle of flow of rectification unit, controls the size of the electric current that flows through electric kettle heat-generating pipe, reaches and changes heating-up temperature and put forward the effect of boiling firepower.
Described gear control module is connected with driving switch by holding wire, is responsible for transmitting gear signal to current control module, and user can adjust vigor gear as required.
Described display module is connected with display 5 by holding wire, to display, transmits every display parameters, and in use procedure, display can show the information such as firepower gear, current functional mode, near the temperature of heating element, residue heat time, is user-friendly to.
As further illustrating of the present invention, described heater circuit is being provided with earth detector 12 near electric source line interface 4 places, and heat-generating pipe 6 has at least one end to be in series with relay 11, and heat-generating pipe is connected with earth detector by relay; When there is electric leakage dangerous situation, earth detector can produce feedback current at once, and feedback current acts on relay 11, and relay instantaneous trip heater circuit, plays leakage protection.
As further illustrating of the present invention, heat-generating pipe 6 is infrared crystal heat-generating pipe or silicon oxide ceramics heat-generating pipe.Because so above-mentioned heat-generating pipe power greatly must supporting frequency converter be realized the object of power saving.
As further illustrating of the present invention, described control panel 8 also comprises functional control module, functional control module storage inside has the power frequency control program matching with corresponding function, and functional control module selects button to be connected with function, is responsible for to current control module propagation function signal.
As further illustrating of the present invention, described display 5 is arranged on pot lid 3, and display and control panel 8 are one-body molded, in control panel inside, by signal data line, are connected with display module.
Described control panel 8 is also provided with SR, when control panel chip causes confusion, can use reset function, and panel chip processed is reverted to original state.
As further illustrating of the present invention, electric source line interface 4 is arranged on base 2 belows, and kettle body 1 is provided with kettle ear, and battery main switch 15 is arranged on kettle ear outside.
As further illustrating of the present invention, between kettle body 1 and base 2, be provided with thermal insulation layer, described thermal insulation layer is vacuum heat-insulating layer or insulating layer of asbestos, and the effect of thermal insulation layer is to forbid that kettle body heat content is to circuit board transmission, prevents from damaging circuit board component or affects circuit board and normally move.
Frequency conversion electric kettle of the present invention is specially adapted to heat up water fast, is applicable to too hot milk, heat wine, stews and immersion food to boil water etc.
Claims (8)
1. a frequency conversion electric kettle, comprise kettle body (1), base (2), pot lid (3) and heat-generating pipe (6), described kettle body is connected with base, heat-generating pipe is arranged on kettle body bottom and is connected with control circuit, it is characterized in that: also comprise variable-frequency heating circuit board and control panel (8), described variable-frequency heating circuit board is arranged on base inside, is integrated with heater circuit and frequency conversion control circuit in plate; Described heater circuit comprises the series connection of heat-generating pipe and rectifier cell (10), and heat-generating pipe one end is provided with relay (11); Described frequency conversion control circuit is locating to be provided with transformer (13) near power interface (4), wave filter (14) immediately after transformer, the current output terminal of wave filter connects frequency-variable controller, and described frequency-variable controller (9) is connected with the control utmost point of rectifier cell by holding wire; Described control panel is located to be put on pot lid, comprises temperature sense module, current control module, gear control module and display module;
Described temperature sense module, is connected with the temperature sensor (7) in kettle body by holding wire, is responsible for Real-Time Monitoring heat-generating pipe surrounding space temperature, and monitoring result is delivered to current control module;
Described current control module, is connected with frequency-variable controller (9) controller by holding wire, according to heat-generating pipe surrounding space temperature, to frequency-variable controller, sends corresponding feedback control signal;
Described gear control module is connected with driving switch by holding wire, is responsible for transmitting gear signal to current control module;
Described display module is connected with display (5) by holding wire, to display, transmits every display parameters.
2. frequency conversion electric kettle according to claim 1, it is characterized in that: described heater circuit is locating to be provided with earth detector (12) near electric source line interface (4), heat-generating pipe (6) has at least one end to be in series with relay (11), and heat-generating pipe is connected with earth detector by relay.
3. according to the arbitrary described frequency conversion electric kettle of claim 1 or 2, it is characterized in that: described heat-generating pipe (6) is infrared crystal heat-generating pipe or silicon oxide ceramics heat-generating pipe.
4. frequency conversion electric kettle according to claim 1, it is characterized in that: described control panel (8) also comprises functional control module, functional control module storage inside has the power frequency control program matching with corresponding function, functional control module selects button to be connected with function, is responsible for to current control module propagation function signal.
5. frequency conversion electric kettle according to claim 1, is characterized in that: it is upper that described display (5) is arranged on pot lid (3), and display and control panel (8) are one-body molded, in control panel inside, by signal data line, are connected with display module.
6. according to the arbitrary described frequency conversion electric kettle of claim 1 or 4, it is characterized in that: described control panel (8) is also provided with SR.
7. frequency conversion electric kettle according to claim 1, is characterized in that: described electric source line interface (4) is arranged on base (2) below, and kettle body (1) is provided with kettle ear, and battery main switch (15) is arranged on kettle ear outside.
8. frequency conversion electric kettle according to claim 1, is characterized in that: between kettle body (1) and base (2), be provided with thermal insulation layer, described thermal insulation layer is vacuum heat-insulating layer or insulating layer of asbestos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697181.3A CN103720341A (en) | 2013-12-16 | 2013-12-16 | Frequency conversion electric heating kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697181.3A CN103720341A (en) | 2013-12-16 | 2013-12-16 | Frequency conversion electric heating kettle |
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| Publication Number | Publication Date |
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| CN103720341A true CN103720341A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310697181.3A Pending CN103720341A (en) | 2013-12-16 | 2013-12-16 | Frequency conversion electric heating kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054224A1 (en) * | 2015-10-01 | 2017-04-06 | 史利利 | Vacuum electrothermal container |
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| CN1433731A (en) * | 2003-02-11 | 2003-08-06 | 广东美的集团股份有限公司 | Electric cooker |
| US20060243272A1 (en) * | 2005-04-29 | 2006-11-02 | Hung Chow | Electrical water heater |
| JP2010088766A (en) * | 2008-10-10 | 2010-04-22 | Panasonic Corp | Electric kettle |
| CN201557983U (en) * | 2009-09-29 | 2010-08-25 | 王定 | Main control circuit of variable-frequency electric rice cooker |
| CN201870445U (en) * | 2010-11-23 | 2011-06-22 | 李灿荣 | Health-preserving pot |
| CN202589249U (en) * | 2012-05-02 | 2012-12-12 | 李国华 | Electric kettle |
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2013
- 2013-12-16 CN CN201310697181.3A patent/CN103720341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433731A (en) * | 2003-02-11 | 2003-08-06 | 广东美的集团股份有限公司 | Electric cooker |
| US20060243272A1 (en) * | 2005-04-29 | 2006-11-02 | Hung Chow | Electrical water heater |
| JP2010088766A (en) * | 2008-10-10 | 2010-04-22 | Panasonic Corp | Electric kettle |
| CN201557983U (en) * | 2009-09-29 | 2010-08-25 | 王定 | Main control circuit of variable-frequency electric rice cooker |
| CN201870445U (en) * | 2010-11-23 | 2011-06-22 | 李灿荣 | Health-preserving pot |
| CN202589249U (en) * | 2012-05-02 | 2012-12-12 | 李国华 | Electric kettle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017054224A1 (en) * | 2015-10-01 | 2017-04-06 | 史利利 | Vacuum electrothermal container |
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Application publication date: 20140416 |