CN108652424A - A kind of electric food warmer heating system - Google Patents
A kind of electric food warmer heating system Download PDFInfo
- Publication number
- CN108652424A CN108652424A CN201810605708.8A CN201810605708A CN108652424A CN 108652424 A CN108652424 A CN 108652424A CN 201810605708 A CN201810605708 A CN 201810605708A CN 108652424 A CN108652424 A CN 108652424A
- Authority
- CN
- China
- Prior art keywords
- heating
- heating zone
- electrically connected
- thyristor
- heater strip
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
Abstract
The present invention provides a kind of electric food warmer heating system, including heater circuit and heating dish, and heating dish is equipped with current input terminal, and current input terminal is electrically connected with heater circuit；Wherein, heating dish includes being located in the middle part of heating dish and outer peripheral first heating zone and the second heating zone；It is respectively equipped with the first heater strip and the second heater strip in the first heating zone and the second heating zone, one end of first heater strip and the second heater strip is electrically connected with the first contact of current input terminal, and the other end of the first heater strip and the second heater strip is electrically connected with the second contact of current input terminal；First heater strip is along the first heating zone undulate distribution in the plane of the first heating zone, and the second heater strip is in the plane of the second heating zone along the second heating zone undulate distribution.The heating dish of this design can be contacted uniformly with pot body, have the characteristics that homogeneous heating, the efficiency of heating surface are high and protective value is strong.
Description
Technical field
The present invention relates to electric food warmer technologies, and in particular to a kind of electric food warmer heating system.
Background technology
It is increasingly severe along with atmosphere pollution, and traditional firewood and the burning coal mode of cooking have become history, electricity consumption
It cooks and has been popularized, and all there are one common disadvantages for cookware of cooking now, are made without tradition firewood and burning coal
The food taste come is nice, traces it to its cause：
1. the bottom of a pan heating is uneven, modern usually only one to three heating round tube of electric cooker is attached to the bottom of pot, by
Then when round heating collar is contacted with the plane the bottom of a pan, the coil of heater strip is arc-shaped or round to the bottom of a pan heating, meanwhile, heating collar
Break-make is controlled by separate switch, firepower size can only be adjusted by changing the quantity of switch when controlling firepower size,
Cause to heat uneven, causes the food worked it out to give birth to ripe unevenness, and easily lead to and be burned, taste is very bad to be eaten；When unattended,
Also easily cookware is burnt out, causes the waste of grain and resource；2. due to small with the bottom of a pan contact area, cause the efficiency of heating surface low；3.
There is no timing function and disposable burning prevention function, the cookware short life, and easily has an accident.
Invention content
In view of the deficiencies of the prior art, the present invention provides the electricity that a kind of homogeneous heating, the efficiency of heating surface are high and protective value is strong
Hot pot heating system.
A kind of electric food warmer heating system, it is characterised in that：Including heater circuit and heating dish, the heating dish is equipped with electric current
Input terminal, the current input terminal are electrically connected with the heater circuit；
Wherein, the heating dish includes the first heating zone being located in the middle part of the heating dish, and it is outer peripheral to be located at the heating dish
Second heating zone, first heating zone and the second heating zone are annular；The of insulation is equipped in first heating zone
One heater strip is equipped with the second heater strip of insulation in second heating zone, and the current input terminal includes the first contact and the
One end of two point, first heater strip and the second heater strip is electrically connected with first contact, first heater strip
It is electrically connected with second contact with the other end of the second heater strip；
First heater strip is distributed in the plane of first heating zone along first heating zone undulate, and described the
Two heater strips are distributed in the plane of second heating zone along second heating zone undulate.The heating dish of this design
It can uniformly be contacted with pot body.
It is further：The excircle of first heating zone is overlapped with the inner periphery of second heating zone, and described first
Contact and the second contact are respectively positioned on the excircle of first heating zone.
It is further：The ring width of second heating zone of the ring width of first heating zone more than twice, described first
The ring width of heating zone less than four times of second heating zone ring width, it is this be distributed make pot body liner it is heated evenly.
It is further：Including pot body liner, it is equipped with interlayer in the pot body liner at the bottom, is equipped in the interlayer described
Heating dish and pot body liner integrated setting are improved heat conduction efficiency by heating dish.
It is further：The heater circuit includes thyristor VT and capacitance C, and the anode of the thyristor VT is electrically connected with power supply
Connect, the cathode of the thyristor VT is electrically connected with first contact, second contact and the power electric connection and with institute
It states power supply and thyristor VT constitutes circuit；The gate pole of the thyristor VT successively triggered diode VD, resistance R2, resistance R1 and
It is electrically connected with the anode of the thyristor VT after slide rheostat W, heater switch K is parallel on the resistance R1；The electricity
Hold the one end C to be electrically connected with the cathode of the thyristor VT, the common end of the diac VD and resistance R2 and the capacitance C
The other end electrical connection.
It is further：Fan circuit is parallel on the power supply, the fan circuit includes fan, and the fan is just
Pole is electrically connected with the cathode of diode D1, and the anode of the diode D1 is connected after RC antihunt circuits with the power supply, described
The cathode of fan and the power electric connection；Be parallel with electrolytic capacitor on the fan, the cathode of the fan also with two poles
The anode electrical connection of pipe D2, the cathode of the diode D2 are electrically connected with the anode of the diode D1.
It is further：Temperature detect switch (TDS) K2, the temperature are in series between the diac VD and the thyristor VT
Control switch K2 is arranged in the center of the interlayer, monitors pot body liner temperature in real time, when reaching temperature detect switch (TDS) threshold value, temperature
It controls K2 switches to disconnect, disconnects the heating circuit of heating dish.
It is further：It is in series with time switch K1 between the diac VD and the thyristor VT.
It is further：It is in series with fuse F between the power supply and the thyristor VT.
The new advantageous effect of this practicality：The heating dish of design can make calandria thermally equivalent, and the efficiency of heating surface is high, makes pot body
The meal life worked it out in liner is ripe uniformly, and taste is more preferable；The temperature detect switch (TDS) and time switch added, keep heater circuit safer.
Description of the drawings
Fig. 1 is the heating plate structure diagram in the present invention；
Fig. 2 is the cross section structure schematic diagram of pot body liner in the present invention；
Fig. 3 is the circuit diagram of the present invention.
In figure, 1, pot body liner；X2, heating dish；21, current input terminal；211, the first contact；212, the second contact；22、
Second heater strip；23, the first heater strip；3, temperature detect switch (TDS).
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the present invention.The embodiment of the present invention, the embodiment are described below in detail
Example be shown in the accompanying drawings, in which the same or similar labels are throughly indicated same or similar element or with identical
Or the element of similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, without
It can be construed to limitation of the present invention.
A kind of electric food warmer heating system, including heater circuit, pot body liner and heating dish, as shown in Fig. 2, in the pot body
1 bottom of liner is equipped with interlayer, and the heating dish X2 is equipped in the interlayer, and the heating dish X2 is equipped with current input terminal 21,
The current input terminal 21 is electrically connected with the heater circuit；
Wherein, in conjunction with shown in Fig. 1, the heating dish X2 includes the first heating zone being located in the middle part of the heating dish X2, is located at institute
Outer peripheral second heating zones heating dish X2 are stated, first heating zone and the second heating zone are annular；Add described first
It is equipped with the first heater strip 23 of insulation in hot-zone, the second heater strip 22 of insulation, the electric current are equipped in second heating zone
Input terminal includes the first contact 211 and the second contact 212, and one end of first heater strip, 23 and second heater strip 22 is and institute
State the electrical connection of the first contact 211, the other end of first heater strip, 23 and second heater strip 22 with second contact 212
Electrical connection；
First heater strip 23 is distributed in the plane of first heating zone along first heating zone undulate, described
Second heater strip 22 is distributed in the plane of second heating zone along second heating zone undulate；It in Fig. 1 can be with
See, single corrugated wave crest is close to the excircle of first heating zone, single waveform in the first heater strip 23
Trough close to the first heating zone inner periphery；In second heater strip 22 single corrugated wave crest be close to described second plus
The excircle of hot-zone, single corrugated trough are close to the inner periphery of the second heating zone.The heating dish X2 of this design with
Pot body liner 1 can be contacted uniformly；The excircle of first heating zone is overlapped with the inner periphery of second heating zone, described
First contact 211 and the second contact 212 are respectively positioned on the excircle of first heating zone；The ring width of first heating zone is big
Ring width in twice of second heating zone, the ring of second heating zone of the ring width less than four times of first heating zone
Width, specifically, preferred plan is the ring width of second heating zone of the ring width equal to twice of first heating zone.
As shown in figure 3, the heater circuit includes the anode and power supply electricity of thyristor VT and capacitance C, the thyristor VT
Connection, the cathode of the thyristor VT is electrically connected with first contact, second contact and the power electric connection and with
The power supply and thyristor VT constitute circuit；The gate pole of the thyristor VT triggered diode VD, resistance R2, resistance R1 successively
It is electrically connected with the anode of the thyristor VT with after slide rheostat W, heater switch K is parallel on the resistance R1；It is described
The one end capacitance C is electrically connected with the cathode of the thyristor VT, common end and the electricity of the diac VD and resistance R2
Hold the other end electrical connection of C；Wherein, the power supply is 220V AC powers.
Fan circuit is parallel on the power supply, the fan circuit includes fan X1, the fan X1 anode with
The cathode of diode D1 is electrically connected, and the anode of the diode D1 is connected after RC antihunt circuits with the power supply, the fan
The cathode of X1 and the power electric connection；It is parallel with electrolytic capacitor on the fan X1, the cathode of the fan X1 is also with two
The anode electrical connection of pole pipe D2, the cathode of the diode D2 are electrically connected with the anode of the diode D1；The fan is used for
Cool down to the heater circuit；The wherein described RC antihunt circuits are composed in parallel by capacitance C1 and resistance R3.
Temperature detect switch (TDS) K2 is in series between the diac VD and the thyristor VT, the temperature detect switch (TDS) K2 is set
It sets in the center of the interlayer, monitors 1 temperature of pot body liner in real time, when reaching temperature detect switch (TDS) K2 threshold values, temperature control K2 is opened
Shutdown is opened, and the heating circuit of heating dish X2 is disconnected；Timing is in series between the diac VD and the thyristor VT
Switch K1；It is in series with fuse F between the power supply and the thyristor VT.
Heater circuit works in this way in the present invention, when heating, connects heater switch K, then resistance R1 short circuits are led to
It crosses slide rheostat W and adjusts size of current, that is, control the size of heating amount；When heat preservation, heater switch K is disconnected, and sliding is become
The maximum resistance for hindering device W accesses circuit.By setting time switch, the duration of heating or heat preservation can be controlled；It is opened by temperature control
It is excessively high that official seal stops pot body liner temperature, avoids dry combustion method.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of electric food warmer heating system, it is characterised in that：Including heater circuit and heating dish, it is defeated that the heating dish is equipped with electric current
Enter end, the current input terminal is electrically connected with the heater circuit；
Wherein, the heating dish includes the first heating zone being located in the middle part of the heating dish, and it is outer peripheral to be located at the heating dish
Second heating zone, first heating zone and the second heating zone are annular；The of insulation is equipped in first heating zone
One heater strip is equipped with the second heater strip of insulation in second heating zone, and the current input terminal includes the first contact and the
One end of two point, first heater strip and the second heater strip is electrically connected with first contact, first heater strip
It is electrically connected with second contact with the other end of the second heater strip；
First heater strip is distributed in the plane of first heating zone along first heating zone undulate, and described the
Two heater strips are distributed in the plane of second heating zone along second heating zone undulate.
2. a kind of electric food warmer heating system according to claim 1, it is characterised in that：The excircle of first heating zone
It is overlapped with the inner periphery of second heating zone, first contact and the second contact are respectively positioned on the outer circle of first heating zone
Zhou Shang.
3. a kind of electric food warmer heating system according to claim 1 or 2, it is characterised in that：The ring of first heating zone
It is wider than the ring width of twice of second heating zone, the ring width of first heating zone is less than four times of second heating zone
Ring width.
4. a kind of electric food warmer heating system according to claim 3, it is characterised in that：Including pot body liner, in the pot
Body liner at the bottom is equipped with interlayer, and the heating dish is equipped in the interlayer.
5. a kind of electric food warmer heating system according to claim 4, it is characterised in that：The heater circuit includes thyristor
VT and capacitance C, the anode of the thyristor VT are electrically connected to a power source, and the cathode of the thyristor VT is electrically connected with first contact
It connects, second contact constitutes circuit with the power electric connection and with the power supply and thyristor VT；The thyristor VT's
Gate pole is electrically connected after triggered diode VD, resistance R2, resistance R1 and slide rheostat W successively with the anode of the thyristor VT
It connects, heater switch K is parallel on the resistance R1；The one end the capacitance C is electrically connected with the cathode of the thyristor VT, described
The common end of diac VD and resistance R2 are electrically connected with the other end of the capacitance C.
6. a kind of electric food warmer heating system according to claim 5, it is characterised in that：It is parallel with fan on the power supply
Circuit, the fan circuit include fan, and the anode of the fan is electrically connected with the cathode of diode D1, the diode D1's
Anode is connected after RC antihunt circuits with the power supply, the cathode of the fan and the power electric connection；On the fan
It is parallel with electrolytic capacitor, the cathode of the fan is also electrically connected with the anode of diode D2, the cathode of the diode D2 and institute
State the anode electrical connection of diode D1.
7. a kind of electric food warmer heating system according to claim 6, it is characterised in that：In the diac VD and institute
It states and is in series with temperature detect switch (TDS) K2 between thyristor VT, the temperature detect switch (TDS) K2 is arranged in the center of the interlayer.
8. a kind of electric food warmer heating system according to claim 7, it is characterised in that：In the diac VD and institute
It states and is in series with time switch K1 between thyristor VT.
9. a kind of electric food warmer heating system according to claim 8, it is characterised in that：In the power supply and the thyristor
Fuse F is in series between VT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605708.8A CN108652424A (en) | 2018-06-13 | 2018-06-13 | A kind of electric food warmer heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810605708.8A CN108652424A (en) | 2018-06-13 | 2018-06-13 | A kind of electric food warmer heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108652424A true CN108652424A (en) | 2018-10-16 |
Family
ID=63775729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810605708.8A Pending CN108652424A (en) | 2018-06-13 | 2018-06-13 | A kind of electric food warmer heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108652424A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0103741A2 (en) * | 1982-09-16 | 1984-03-28 | E.G.O. Elektro-Geräte Blanc u. Fischer | Heating element, especially radiant heating element for the heating of ceramic plates |
| US5270519A (en) * | 1992-01-10 | 1993-12-14 | Ceramaspeed Limited | Radiant heater having multiple heating zones |
| CN2267730Y (en) * | 1996-08-12 | 1997-11-19 | 曹华进 | Electric-heating energy-saved heat-insulation cooker |
| US20010035404A1 (en) * | 2000-04-03 | 2001-11-01 | Higgins George Anthony | Radiant electric heater |
| US20020170906A1 (en) * | 2000-12-16 | 2002-11-21 | Wilkins Peter Ravenscroft | Radiant electric heater |
| US20050040156A1 (en) * | 2003-07-16 | 2005-02-24 | Stuart Lamb | Radiant electric heater |
| US20050061796A1 (en) * | 2002-07-25 | 2005-03-24 | Higgins George Anthony | Radiant electric heater |
| US20060157473A1 (en) * | 2003-01-18 | 2006-07-20 | Stuart Lamb | Temperature-responsive device |
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| JP2013155791A (en) * | 2012-01-30 | 2013-08-15 | Inoac Housing & Construction Materials Co Ltd | Method of manufacturing thermal fusion tool |
| CN105042652A (en) * | 2015-08-20 | 2015-11-11 | 赖国荣 | Electric terrine with multiple heating regions |
| CN204962886U (en) * | 2015-09-07 | 2016-01-13 | 李平 | Improvement type dinner plate |
| CN105578633A (en) * | 2016-02-17 | 2016-05-11 | 武汉武耀安全玻璃股份有限公司 | Automotive glass capable of being heated |
| CN206182990U (en) * | 2016-08-02 | 2017-05-24 | 宋书兴 | Electrothermal tube of electric heat pot and electric heat bucket |
| CN206381080U (en) * | 2016-08-10 | 2017-08-08 | 中国地质大学（武汉） | A kind of electric food warmer profile electric heating plate that turns back |
| CN207118837U (en) * | 2017-03-13 | 2018-03-20 | 佛山市顺德区美的电热电器制造有限公司 | Infrared drum and cooking apparatus |
-
2018
- 2018-06-13 CN CN201810605708.8A patent/CN108652424A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0103741A2 (en) * | 1982-09-16 | 1984-03-28 | E.G.O. Elektro-Geräte Blanc u. Fischer | Heating element, especially radiant heating element for the heating of ceramic plates |
| US5270519A (en) * | 1992-01-10 | 1993-12-14 | Ceramaspeed Limited | Radiant heater having multiple heating zones |
| CN2267730Y (en) * | 1996-08-12 | 1997-11-19 | 曹华进 | Electric-heating energy-saved heat-insulation cooker |
| US20010035404A1 (en) * | 2000-04-03 | 2001-11-01 | Higgins George Anthony | Radiant electric heater |
| US20020170906A1 (en) * | 2000-12-16 | 2002-11-21 | Wilkins Peter Ravenscroft | Radiant electric heater |
| US20050061796A1 (en) * | 2002-07-25 | 2005-03-24 | Higgins George Anthony | Radiant electric heater |
| US20060157473A1 (en) * | 2003-01-18 | 2006-07-20 | Stuart Lamb | Temperature-responsive device |
| US20050040156A1 (en) * | 2003-07-16 | 2005-02-24 | Stuart Lamb | Radiant electric heater |
| CN202153787U (en) * | 2011-04-15 | 2012-02-29 | 杭州热威机电有限公司 | Radiation heater |
| JP2013155791A (en) * | 2012-01-30 | 2013-08-15 | Inoac Housing & Construction Materials Co Ltd | Method of manufacturing thermal fusion tool |
| CN105042652A (en) * | 2015-08-20 | 2015-11-11 | 赖国荣 | Electric terrine with multiple heating regions |
| CN204962886U (en) * | 2015-09-07 | 2016-01-13 | 李平 | Improvement type dinner plate |
| CN105578633A (en) * | 2016-02-17 | 2016-05-11 | 武汉武耀安全玻璃股份有限公司 | Automotive glass capable of being heated |
| CN206182990U (en) * | 2016-08-02 | 2017-05-24 | 宋书兴 | Electrothermal tube of electric heat pot and electric heat bucket |
| CN206381080U (en) * | 2016-08-10 | 2017-08-08 | 中国地质大学（武汉） | A kind of electric food warmer profile electric heating plate that turns back |
| CN207118837U (en) * | 2017-03-13 | 2018-03-20 | 佛山市顺德区美的电热电器制造有限公司 | Infrared drum and cooking apparatus |
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