CN208154869U - Semiconductor cold-hot stove - Google Patents
Semiconductor cold-hot stove Download PDFInfo
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- CN208154869U CN208154869U CN201820729702.7U CN201820729702U CN208154869U CN 208154869 U CN208154869 U CN 208154869U CN 201820729702 U CN201820729702 U CN 201820729702U CN 208154869 U CN208154869 U CN 208154869U
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Abstract
The utility model relates to a kind of semiconductor cold-hot stove, structure includes pot body, semiconductor chilling plate, stove frame, heat-insulated filled layer, insulated sheath, internal layer heat dissipation pipe, outer layer heat dissipation pipe, power-supply controller of electric, the first temperature sensor and second temperature sensor.The efficient feature of the heating of semiconductor chilling plate is applied in production efficient cooker by the utility model, the cooking heating equipments such as alternative conventional civil gas stove, electric cooker, electromagnetic stove, micro-wave oven, have the characteristics that sanitation and hygiene, environmental, is suitable for popularization and application.The utility model not only has refrigeration, the multipurpose of heating, but also has significant energy-saving effect, and thermal losses is minimum, and heating speed can save 50% or more electric energy quickly, than electromagnetic stove, than electric cooker energy conservation 55%.
Description
Technical field
The utility model relates to a kind of civil kitchen range, specifically a kind of semiconductor cold-hot stove.
Background technique
Semiconductor refrigerating technology is gradually mature, and semiconductor chilling plate is mainly utilized（Bismuth telluride）Peltier system
Cold principle is exactly the transfer that heat occurs after powered up, refrigeration and heating can be achieved at the same time.If at the both ends of semiconductor chilling plate
Face provides cold source and heat source, when both ends of the surface reach certain temperature difference, so that it may generate electricity（Referred to as " thermo-electric generation "）, therefore, this
Kind semiconductor material is generally mostly used as thermo-electric generation in sea area.
Currently, semiconductor chilling plate has been widely used in fields such as refrigerator, air-conditioning, water dispenser and thermostatic controls, and with it
The advantages that small in size, light-weight, noiseless and by the favor of industry, also have application in military and space industry.Its deficiency
Place, first is that due to the limitation of the type of cooling, so that cryogenic temperature is difficult to break through to 0 DEG C hereinafter, following even with best water
The ring type of cooling, as being stepped up for water temperature and be difficult to generate 0 DEG C of temperature below.Second is that since there are temperature difference limits
System, so that the application of heating aspect is difficult to and continues efficiently to heat up.To find out its cause, mainly when the cold junction temperature of semiconductor
When more than environment temperature, is just absorbed and shifted by semiconductor chilling plate without enough heats, so that heating efficiency is obvious
Decline, heating gradually become difficult, eventually lead to the applied temps for being difficult to generate more than 100 DEG C.By semiconductor chilling plate application
When being used as heating source in water dispenser, 70 DEG C or so can only generally be reached to the heating temperature of water.
The refrigerating efficiency of semiconductor chilling plate is 60%, and its heating efficiency is then greater than 100%.Its principle is, heating it is same
When the essence also freezing simultaneously, and freezing be exactly that the heat of cold end is transferred to hot end, and it is superimposed with hot end heat, if
Cold junction temperature is lower than ambient temperature, is equivalent to the refrigerating efficiency that 99% original heating efficiency is superimposed 60% again, makes
The thermal efficiency is as high as 159%.But this heating high efficiency can be greatly reduced in practical applications because of the limitation of the temperature difference,
To limit the generation of the higher temperature more than 100 DEG C or more.
Utility model content
The purpose of this utility model is just to provide a kind of semiconductor cold-hot stove, to break through semiconductor chilling plate in refrigeration, system
The temperature restriction of hot aspect, realizes the practical application of cooling and warming.
The utility model is realized in this way：A kind of semiconductor cold-hot stove, including：
Pot body, is pan, and the lower section of pot body outer wall is the terrace with edge section of prismatic table shape；
Semiconductor chilling plate is respectively attached in the bottom surface of pot body and each plane of pot body outer wall terrace with edge section；
Stove frame is coated on the bottom of pot body, the outside of pot body outer wall terrace with edge section and the semiconductor chilling plate in terrace with edge section, uses
In supporting pan body, and also serve as the outer radiator of semiconductor chilling plate；
Cooling fin is attached to the outer surface of semiconductor chilling plate, and fits with the inner wall of stove frame, as semiconductor system
Cold inner radiator；
Heat-insulated filled layer is filled in the gap between pot body and stove frame, for reducing the mutual biography between inside and outside radiator
Loss；
Insulated sheath is coated on the outside of stove frame, to reduce energy dissipation；
Internal layer heat dissipation pipe is distributed in heat-insulated filled layer, to be radiated by water circulation to pot body；
Outer layer heat dissipation pipe, is distributed in insulated sheath, to be radiated by water circulation to stove frame；
Power-supply controller of electric is electrically connected, for controlling the system of semiconductor chilling plate with semiconductor chilling plate by connecting terminal
Cold, heating, to realize culinary art, refrigeration drink or the ice making operation of semiconductor cold-hot stove；
First temperature sensor, is attached in pot body, to transmit the temperature of detection pot body to power-supply controller of electric；And
Second temperature sensor is attached on stove frame, to transmit the temperature of detection stove frame to power-supply controller of electric.
Culinary art button, cold drink button and ice making button are provided on the panel of the power-supply controller of electric, selecting and
Corresponding control program is called, realizes culinary art, refrigeration drink or the ice making operation of semiconductor cold-hot stove.
The power-supply controller of electric includes：
Temperature sensing circuit, respectively with procedure selection and control circuit, temperature of boiler signal comparator, stove frame temperature signal
Comparator, the first temperature sensor and second temperature sensor connect, for temperature of boiler when detecting heating and when refrigeration
Stove frame temperature；
Procedure selection and control circuit connect with temperature sensing circuit and two-way trigger circuit respectively, for cooking, freezing
The selection and operation of three kinds of operations of drink and ice making, and the pulse duty factor of adjust automatically operating current, to improve cooling piece both ends
The temperature difference；
Temperature of boiler signal comparator connects with temperature sensing circuit and two-way trigger circuit respectively, for detecting heating
When temperature of boiler；
Stove frame temperature signal comparator, connects with temperature sensing circuit and two-way trigger circuit respectively, for detecting refrigeration
When stove frame temperature；
Two-way trigger circuit, respectively with temperature of boiler signal comparator, stove frame temperature signal comparator, procedure selection and control
Circuit and full-bridge type electronic switching circuit processed connects, semiconductor chilling plate operating current polarity when for providing cooling and warming conversion
The trigger signal of conversion；
Full-bridge type electronic switching circuit connects with two-way trigger circuit and semiconductor chilling plate respectively, partly leads for switching
The polarity of voltage of body cooling piece, to meet the power demands of refrigeration, heating.
The heat release power of semiconductor chilling plate（Heating）And Endothermic power（Refrigeration）It is by the electricity by semiconductor chilling plate
The size of stream determines, but in fact, when due to laser heating semiconductor devices itself temperature limiting so that be powered on
When the temperature difference be generally 40 ~ 60 DEG C.The utility model carries out electric current control by the way of adaptive adjustable duty cycle pulse power supply
The peak point current increasing of system, i.e. pulse is twice above and average value remains unchanged, in this way, not only not having to increase power consumption, but also can
So that the temperature difference is increased to 90 ~ 100 DEG C or more.Its reason has two：First is that semiconductor material has very high current shock withstanding characteristics,
It is not damaged to device；Second is that the heating of semiconductor chilling plate be exceedingly fast and cool down then more slowly, this can use high peak current
The temperature difference is widened, so as to effectively improve the temperature difference at semiconductor chilling plate cold-hot end.And the benefit of the temperature difference is improved, first is that can make
Heating temperature is increased to 150 ~ 250 DEG C；Second is that heating process can be made（Such as：It the operation such as cooks congee, heat up water）Remain 150% with
On high efficiency；Third is that different radiating modes can be cooperated, realize that cryogenic temperature breaks through 0 DEG C hereinafter, until freezing.
The utility model is in refrigeration work, using the working method and structure of the dual water circulation of hot and cold side, cold end circulation
Water can be stored into an insulation barrel, first start heating mode, and cold end water temperature is made to reach 10 ~ 20 DEG C（Heat preservation water can be used pure
Water, it is disposable to be perfused）；Hot end recirculated water can be stored into it is spare in container, after temperature buffer, then by working mode change be system
Cold mode（Switch semiconductor chilling plate positive-negative power polarity）, in this manner it is possible to make half under 50 DEG C or so of temperature difference condition
The cold and hot stove of conductor obtains -5 DEG C to -10 DEG C of refrigeration effect.
The utility model uses high temperature resistant（Reach as high as 360 DEG C）Semiconductor chilling plate, made semiconductor cold-hot
Stove can meet substantially the general cooking-purpose such as cooks, fries, stewing, boiling, and can make cold drink, or even also act as ice making.
The utility model not only has refrigeration, the multipurpose of heating, but also has significant energy-saving effect, thermal losses
Minimum, heating speed can save 50% or more electric energy quickly, than electromagnetic stove（Because the thermal conversion efficiency of electromagnetic stove is 80%, and this
Kitchen range are close to 160%）, than electric cooker energy conservation 55%；In addition, the utility model also has heat insulation function, heat can obviously reduce
Loss（The thermal conversion efficiency of electric cooker is up to 95%, but its heat conduction structure will lead to efficiency of thermal transfer reduction again, therefore electric
The gross efficiency of pot for cooking rice only has 70%, and insulating power is poor）.The utility model since these above-mentioned power savings advantages are obvious,
It is more suitable for applying in solar powered occasion.
The efficient feature of the heating of semiconductor chilling plate is applied in production efficient cooker by the utility model, can replace
The cooking heating equipments such as generation conventional civil gas stove, electric cooker, electromagnetic stove, micro-wave oven have sanitation and hygiene, environmental
Feature is suitable for popularization and application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the bottom surface structure schematic diagram of semiconductor cold-hot stove shown in Fig. 1.
Fig. 3 is the circuit block diagram of the power-supply controller of electric of semiconductor cold-hot stove.
Fig. 4 is the circuit diagram of control section in the power-supply controller of electric of semiconductor cold-hot stove.
Fig. 5 is the circuit diagram of main circuit in the power-supply controller of electric of semiconductor cold-hot stove.
In figure：1, pot body, 2, thermal sleeve, 3, cooling fin, 4, outer layer heat dissipation pipe, 5, fastening screw, 6, semiconductor system
Cold, 7, stove frame, 8, second temperature sensor, 9, insulated sheath, 10, heat-insulated filled layer, the 11, first temperature sensor, 12, interior
Layer heat dissipation pipe.
Specific embodiment
As shown in Figure 1 and Figure 2, pot body 1 is pan, and inner wall is spheric, and the lower section of outer wall is the flat moulding of terrace with edge,
Aluminium alloy can be used（Aviation aluminium）Casting and forming.One piece of rectangle is attached by high-quality heat-conducting silicone grease in the bottom plane of pot body 1
Semiconductor chilling plate 6 attaches a rectangular shaped semiconductor refrigeration respectively in each ladder plane of corresponding 1 lower part terrace with edge section of pot body
Piece 6 is coated with high-quality heat-conducting silicone grease between every chip semiconductor cooling piece and pot body 1, to guarantee the lossless biography of hot and cold energy
It leads.If it is six terrace with edge moulding that pot body 1 is selected, be provided with seven chip semiconductor cooling pieces altogether in pot body 1, and this seven and half
Conductor cooling piece is to be connected in parallel.The specification of semiconductor chilling plate 6 is 40 × 40mm, 12V 6A, model TEP1-
142T300.Its heats power is 72W, refrigeration work consumption 43.2W.When environment temperature is higher than 30 DEG C, the temperature of semiconductor chilling plate 6
When difference is controlled automatically at 70 DEG C or more, the total heats power of monolithic is between 90-110W, then seven chip semiconductors in pot body 1 freeze
Total heats power of piece is up to 630-770W.Adhere to a piece of cooling fin 3 in the outside of each semiconductor chilling plate 6, to conduct
Heat.
Stove frame 7 and the bottom shape of pot body 1 are harmonious, and pocket connects in the bottom of pot body 1, outside and 7 phase of stove frame of cooling fin 3
Fitting is coated with high-quality heat-conducting silicone grease, on the contact surface to guarantee the lossless conduction of the hot and cold energy on cooling fin.Heat dissipation
Piece 3 is made of metallic aluminium, is the inner radiator as semiconductor chilling plate.Stove frame 7 is to use aluminum alloy materials casting and forming,
Also serve as the outer radiator of semiconductor chilling plate.Filled in gap between stove frame 7 and the bottom of pot body 1 useful ceramic fibre every
The heat-insulated filled layer 10 of hot cotton production.Ceramic fibre heat insulation foam has the characteristics that insulation, anticorrosive, high temperature resistant, can avoid substantially
Mutual biography loss between inside and outside radiator.Stove frame 1 can be fixed in pot body 1 by several fastening screws 5.To prevent screw to pot
Body generates heat bridge short circuit, can install thermal sleeve 2 in one end of fastening screw 5.The outside of stove frame 7 is provided with insulated sheath 9,
To reduce energy dissipation.The shape of insulated sheath 9 and the shape of stove frame 7 are harmonious.
Internal layer heat dissipation pipe 12 is also distributed in the heat-insulated filled layer 10 of 1 bottom of pot body, is also distributed in insulated sheath 9
There is outer layer heat dissipation pipe 4.The bottom surface of internal layer heat dissipation pipe 12 and pot body 1 is close to radiate to pot body 1.Outer layer water of radiation
The bottom surface of pipe 4 and stove frame 7 is close to radiate to stove frame 7.Two groups of water fittings are fixed in insulated sheath 9（Do not scheme
Show）, one group of connection internal layer heat dissipation pipe 12, another group of connection outer layer heat dissipation pipe 4.Internal layer heat dissipation pipe 12 passes through water fittings
An external internal circulation water pump, outer layer heat dissipation pipe 4 are followed by the external external circulation water pump of water fittings with carrying out water respectively
Ring operation.
It is pasted with the first temperature sensor 11 on the outer wall of pot body 1, second temperature biography is pasted on the outer wall of stove frame 7
Sensor 8, temperature sensor is to the temperature data to power-supply controller of electric transmitting detection.It is also set up on stove frame 7 and insulated sheath 9
There is connecting terminal, the semiconductor chilling plate being connected in parallel 6 to be electrically connected with power-supply controller of electric, in the control of power-supply controller of electric
Under cooked, cold drink and ice making three kinds of selection operations.
Be correspondingly arranged on the panel of power-supply controller of electric culinary art button, cold drink button and ice making button, for select and
Corresponding control program is called, to realize culinary art, refrigeration drink or the ice making operation of semiconductor cold-hot stove respectively.
As shown in figure 3, power-supply controller of electric includes temperature sensing circuit, procedure selection and control circuit, temperature of boiler signal
Comparator, stove frame temperature signal comparator, two-way trigger circuit and full-bridge type electronic switching circuit.
Temperature sensing circuit respectively with procedure selection and control circuit, temperature of boiler signal comparator, stove frame temperature signal
Comparator, the first temperature sensor and second temperature sensor connect, for temperature of boiler when detecting heating and when refrigeration
Stove frame temperature.Temperature sensing circuit is separately connected two-way temperature sensor, and the first temperature sensor can be temperature of boiler signal ratio
The upper limit and the temperature control instruction of lower limit when providing heating compared with device circuit, while also refrigeration is provided for stove frame temperature signal comparator
When the upper limit and lower limit temperature control instruction.
Procedure selection connects with temperature sensing circuit and two-way trigger circuit respectively with control circuit, for cooking, freezing
The selection and operation of three kinds of operations of drink and ice making, and the pulse duty factor of adjust automatically operating current.Procedure selection and control electricity
Road includes adaptive pulse-width modulation circuit, it undertakes the operation program of three culinary art, refrigeration drink and ice making functions, and by it
The pulse duty factor of the adaptive pulse-width modulation circuit adjust automatically operating current in portion, to improve cooling piece temperature difference between the two ends.Pot
Temperature signal detection circuit when fluid temperature signal comparator is heating, during heating, when first be installed in pot body
When the ambient temperature of temperature sensor meets or exceeds 280 DEG C, output duty cycle successively decreases trigger signal；When temperature is reduced to lower limit
At 250 DEG C of temperature, output duty cycle is incremented by trigger signal.
Temperature of boiler signal comparator connects with temperature sensing circuit and two-way trigger circuit respectively, when for detecting heating
Temperature of boiler.Stove frame temperature signal comparator connects with temperature sensing circuit and two-way trigger circuit respectively, for detecting system
Stove frame temperature when cold.Two-way trigger circuit is selected with temperature of boiler signal comparator, stove frame temperature signal comparator, program respectively
It selects and connects with control circuit and full-bridge type electronic switching circuit, semiconductor chilling plate work electricity when for providing cooling and warming conversion
Flow the trigger signal of dipole inversion.Full-bridge type electronic switching circuit connects with two-way trigger circuit and semiconductor chilling plate respectively,
For switching the polarity of voltage of semiconductor chilling plate, to meet the power demands of refrigeration, heating.
In process of refrigerastion, the ambient temperature for the second temperature sensor 8 installed on stove frame 7 when cooling reaches the upper limit 50
DEG C when, export power-off signal or output duty cycle and successively decrease trigger signal；When temperature drops to 30 DEG C of lower limit temperature, export extensive
Multiple power supply signal or output duty cycle are incremented by trigger signal.
External circulation water pump and internal circulation water pump are electrically connected with procedure selection with control circuit respectively, with receive procedure selection with
The instruction of control circuit, the corresponding water circulation for carrying out stove frame（Lower part water circulation system）It is recycled with the water of pot body（Upper water circulation
System）.
The working principle of power-supply controller of electric is as follows：
As shown in figure 4, single-chip microcontroller IC2（AT89C1051）It is the selection and control device of program, is set as three kinds of Working moulds
Formula：Culinary art, refrigeration drink, ice making.
" culinary art " button is pressed, heating schedule is started, culinary art indicator light LED2 is lighted, the P1.3 foot output of single-chip microcontroller IC2
The cathode of low level, optocoupler GO1 input terminal is connect through resistance R9 with the anode of 5V power supply with ground wire connection, anode, and optocoupler GO1 is led
Logical, output end ZP1, ZP2 are connect with terminal ZP1, ZP2 in Fig. 5 respectively, are equal to ZP1, ZP2 short circuit, amplifier IC3-1's
6th foot（Inverting input terminal）Current potential is lower by height, and 7 foot of output end is in high level output, and is switching tube Q7 through resistance R18
（IGBT）Grid trigger voltage is provided, be connected to the lower end of switching tube Q7 conducting, semiconductor chilling plate with ground wire, while monolithic
The P1.1 foot output of machine IC2 becomes low level from high level, and optocoupler GO3 conducting, output end ZP5 are connected to 15V positive pole, scheme
Terminal ZP5 in 4 is also connect with the terminal ZP5 in Fig. 5, then through resistance R17, is provided base current for triode Q2, made three poles
Pipe Q2 conducting, and negative polarity grid current, switching tube Q4 are provided through resistance R22 for switching tube Q4（IGBT）Conducting, is equal to 15V
Positive supply is connected to the upper end of semiconductor chilling plate, and semiconductor chilling plate is started to work, and the conducting of switching tube shutdown is controlled by
The duty ratio adjust automatically program of single-chip microcontroller.
" cold drink " button, starting refrigeration drink program are pressed, cold drink indicator light LED3 is lighted；The P3.7 foot of single-chip microcontroller IC2 by
High level becomes low level, and optocoupler GO2 is connected, terminal ZP3, ZP4 connection in output end ZP3, ZP4 and Fig. 5, amplifier IC3-
2 the 2nd foot becomes low level from high level；1 foot output end output high level simultaneously provides grid electricity through resistance R19 for switching tube Q5
Switching tube Q5 is connected in stream, and the upper end of semiconductor chilling plate is grounded.The P1.0 foot of single-chip microcontroller IC2 becomes low electricity from high level
It is flat, optocoupler GO4 is connected, output end ZP6 is equal to the connection of 15V positive pole, while the terminal ZP6 being also connected in Fig. 5, then
Base current is provided for triode Q3 through resistance R20, triode Q3 conducting provides negative polarity grid through resistance R23 for switching tube Q6
Electrode current.15V positive pole, is connected to the lower end of semiconductor chilling plate 6 by switching tube Q6 conducting, makes semiconductor chilling plate because even
It connects backward voltage and starts to freeze（Cold drink）；Cryogenic temperature can be by single-chip microcontroller pulse-width adjustment program（It is cold to change semiconductor chilling plate
The temperature difference in hot end）It adjusts in a certain range, can produce 15 DEG C of cold drink drinks below under conditions of not adding water circulation.
" ice making " button is pressed, ice making process is started, ice making indicator light LED4 is lighted；The P1.3 foot of single-chip microcontroller IC2 is by height
Level becomes low level, and optocoupler GO1 is connected, terminal ZP1, ZP2 connection in Fig. 5, resistance RM1 and R13 group voltage divider,
The 6th foot current potential of amplifier IC3-1 is lower by height, and the 7th foot exports high level；Circuit working state is identical as cooking process, partly leads
Body cooling piece connect just, lower negative 15V adjustable broad pulse voltage, while the P1.2 foot of single-chip microcontroller IC2 and P3.5 foot are by low
Level becomes high level, and two relays J1, J2 are both turned on, and upper circulation water pump, lower water circulating pump all bring into operation.When upper circulation
Water temperature stops power supply when reaching 60 DEG C or more（Upper circulation water amount should be no less than 15 liters）, upper circulation water temperature is by the first temperature sensor
MR1 is provided.When water temperature is higher than 60 DEG C, the resistance at the first both ends temperature sensor MR1 reduces, on the 6th foot voltage of amplifier IC3-1
Rise, 7 foot current potential of output end is lower by height, and be connected to the cathode of diode D3, the anode of diode D3 is connected to single-chip microcontroller IC2
P3.0 foot, cut-offing instruction is exported after single-chip microcontroller differentiates, lower water circulating pump stops working, and program is run to wait state, when
Between be set as 5 minutes, upper circulation water pump it is also out of service, at this time can will ice making materials be put into pot body 1 and cover pot cover, automatically
Restart the power supply of semiconductor chilling plate（At this time electric power polarity be it is upper it is negative under just）.
In Fig. 4, thermistor MR1, MR2 are as the first temperature sensor and second temperature sensor.After program operation,
Terminal ZP1 is connected to ZP2 or ZP3, ZP4, and is connected with resistance R13 or resistance R14, and voltage divider is organized.When temperature is raised, hot
The partial pressure value of the resistance decrease of quick resistance, I middle point rises；When the temperature decreases, the partial pressure value decline of I middle point.
In Fig. 5, resistance R16, R15 and potentiometer W1 are composed in series reference voltage divider, provide just primordium for amplifier IC3
Reference voltage value can be changed in quasi- comparison voltage, the resistance value of potentiometer W1, and initial value should be adjusted to in-phase end voltage higher than reverse phase electricity
Pressure, and the output end of amplifier IC3 is high level, this value should be laggard in terminal ZP1, ZP2 or the corresponding connection of terminal ZP3, ZP4
Row；When not connected, then the output of two amplifiers is low level.
When the resistance value of thermistor MR1, MR2 decline as the temperature rises（Negative temperature coefficient）When, then being connected to
The voltage value of the 6 foot reverse side of amplifier IC3-1 be higher than 5 foot in-phase ends voltage when or amplifier IC3-2 2 foot reverse side electricity
When pressure is higher than the voltage of 3 foot in-phase ends, the 7 foot output ends of amplifier IC3-1 or the 1 foot output end of amplifier IC3-2 just export low electricity
It is flat, and the electronic switch of back is closed, stop powering to semiconductor chilling plate.Under temperature gradually drops in the power-off state
When limit value, reverse phase terminal voltage value is lower than in-phase end voltage value, then circuit is overturn, and restores electricity.The work of two temperature sensors
Principle is identical, only uses thermistor RM1 in heating, uses thermistor RM2 in refrigeration.This is because when heating
Pot body 1 is in the condition of high temperature, and while freezing is then stove frame（I.e. outer radiator）In the condition of high temperature.
Triode Q1, Q2 are trigger signal amplifiers, and when terminal ZP1, ZP2 connection, 7 feet of amplifier IC3-1 export high
Level provides base current for triode Q1 through diode D1 and resistance R5, triode Q1 conducting, then through resistance R10 is switch
The grid of pipe Q3 provides reverse phase trigger voltage, and switching tube Q3 is connected, and is equal to semiconductor chilling plate upper end and positive pole connects
It is logical.The high level of the 7 feet output of another way amplifier IC3-1 provides grid voltage through resistance R6 for switching tube Q6, and switching tube Q6 is led
It is logical, it is equal to semiconductor chilling plate lower end and power cathode connection, semiconductor chilling plate obtains electric start-up operation.When terminal ZP3,
When ZP4 is connected to, the 1 foot output high level of amplifier IC3-2 provides base current through diode D2 and resistance R8 for triode Q2,
Triode Q2 is connected, the collector of triode Q2 provides inverted gate voltage through resistance R13 for switching tube Q4, makes switching tube Q4
Conducting, and it is connected to the lower end of semiconductor chilling plate, the lower end for being equal to semiconductor chilling plate is connected to positive pole.Another way
The 1 foot output high level of amplifier IC3-2 provides grid voltage through resistance R7 for switching tube Q5, switching tube Q5 is connected, leakage
Pole is connected to the upper end of semiconductor chilling plate, and the upper end for being equal to semiconductor chilling plate is connected to power cathode, semiconductor refrigerating
Piece obtain it is electric after start to work.But because its voltage is reversed, so the working condition of semiconductor chilling plate is overturn, pot body 1 is connected
Be huyashi-chuuka (cold chinese-style noodles), and what stove frame 7 connected is hot face, thus, the operation of production cold drink etc. can be carried out in pot body 1 at this time.
Claims (3)
1. a kind of semiconductor cold-hot stove, characterized in that including：
Pot body, is pan, and the lower section of pot body outer wall is terrace with edge section；
Semiconductor chilling plate is respectively attached in the bottom surface of pot body and each plane of pot body outer wall terrace with edge section；
Stove frame is coated on the bottom of pot body, the outside of pot body outer wall terrace with edge section and the semiconductor chilling plate in terrace with edge section, for branch
Support pot body；
Cooling fin is attached to the outer surface of semiconductor chilling plate, and fits with the inner wall of stove frame；
Heat-insulated filled layer is filled in the gap between pot body and stove frame；
Insulated sheath is coated on the outside of stove frame, to reduce energy dissipation；
Internal layer heat dissipation pipe is distributed in heat-insulated filled layer, to be radiated by water circulation to pot body；
Outer layer heat dissipation pipe, is distributed in insulated sheath, to be radiated by water circulation to stove frame；
Power-supply controller of electric is electrically connected by connecting terminal with semiconductor chilling plate, for controlling refrigeration, the system of semiconductor chilling plate
Heat, to realize culinary art, refrigeration drink or the ice making operation of semiconductor cold-hot stove；
First temperature sensor, is attached in pot body, to transmit the temperature of detection pot body to power-supply controller of electric；And
Second temperature sensor is attached on stove frame, to transmit the temperature of detection stove frame to power-supply controller of electric.
2. semiconductor cold-hot stove according to claim 1, characterized in that be provided on the panel of the power-supply controller of electric
Button, cold drink button and ice making button are cooked, to select and call corresponding control program, realizes cooking for semiconductor cold-hot stove
It prepares food, freeze drink or ice making operation.
3. semiconductor cold-hot stove according to claim 1, characterized in that the power-supply controller of electric includes：
Temperature sensing circuit, respectively with procedure selection compared with control circuit, temperature of boiler signal comparator, stove frame temperature signal
Device, the first temperature sensor and second temperature sensor connect, for temperature of boiler when detecting heating and stove frame when refrigeration
Temperature；
Procedure selection and control circuit connect with temperature sensing circuit and two-way trigger circuit respectively, for cook, freeze drink and
The selection and operation of three kinds of operations, and the pulse duty factor of adjust automatically operating current are made ice, to improve cooling piece temperature difference between the two ends；
Temperature of boiler signal comparator connects with temperature sensing circuit and two-way trigger circuit respectively, when being heated for detecting
Temperature of boiler；
Stove frame temperature signal comparator, connects with temperature sensing circuit and two-way trigger circuit respectively, when freezing for detecting
Stove frame temperature；
Two-way trigger circuit, it is electric with temperature of boiler signal comparator, stove frame temperature signal comparator, procedure selection and control respectively
Road and full-bridge type electronic switching circuit connect, semiconductor chilling plate operating current dipole inversion when for providing cooling and warming conversion
Trigger signal；
Full-bridge type electronic switching circuit connects respectively with two-way trigger circuit and semiconductor chilling plate, for switching semiconductor system
Cold polarity of voltage, to meet the power demands of refrigeration, heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729702.7U CN208154869U (en) | 2018-05-16 | 2018-05-16 | Semiconductor cold-hot stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729702.7U CN208154869U (en) | 2018-05-16 | 2018-05-16 | Semiconductor cold-hot stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208154869U true CN208154869U (en) | 2018-11-27 |
Family
ID=64387622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820729702.7U Active CN208154869U (en) | 2018-05-16 | 2018-05-16 | Semiconductor cold-hot stove |
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| Country | Link |
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| CN (1) | CN208154869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426387A (en) * | 2018-05-16 | 2018-08-21 | 丁建民 | Semiconductor cold-hot stove |
-
2018
- 2018-05-16 CN CN201820729702.7U patent/CN208154869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426387A (en) * | 2018-05-16 | 2018-08-21 | 丁建民 | Semiconductor cold-hot stove |
| CN108426387B (en) * | 2018-05-16 | 2023-12-05 | 丁建民 | Semiconductor cold-hot stove |
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