CN104848160A - Temperature control heating system and temperature control heating method of lava lamp - Google Patents
Temperature control heating system and temperature control heating method of lava lamp Download PDFInfo
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- CN104848160A CN104848160A CN201510230447.2A CN201510230447A CN104848160A CN 104848160 A CN104848160 A CN 104848160A CN 201510230447 A CN201510230447 A CN 201510230447A CN 104848160 A CN104848160 A CN 104848160A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/002—Lighting devices or systems producing a varying lighting effect using liquids, e.g. water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0457—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a temperature control heating system and a temperature control heating method of a lava lamp. The method comprises the steps of collecting the temperature of wax bottle in real time through a temperature acquisition circuit; judging the temperature collected by a micro-controller to determine whether the wax bottle needs high temperature quick heating or small temperature compensation heating, so as to drive the temperature control circuit to control a heater to heat with the relative power, wherein the overall process automatic control can be realized, the quick heating of the wax bottle can be realized, the waxiness can be accelerated to be heated, molten and raised, and the starting time can be shortened; furthermore, the operating efficiency of the heater can be reduced after the temperature of the wax bottle reaches a set value, the heater enters a constant temperature heating state so that the raised wax can be re-condensed and reduced to the bottom part in cycles and the wax in the wax bottle can move up and down continuously like lava, so as to form a magic lighting effect.
Description
Technical field
The present invention relates to lava lamp field, particularly a kind ofly start fast lava lamp temperature control heating system and temperature control heating method.
Background technology
Lava lamp is also called wax lamp, and its principle utilizes simple thermodynamic principles to allow liquid wax constantly move up and down as lava in the vial of sealing, forms the effect of shadow as magic.Existing lava lamp is generally that bottom arranges a bulb, put a transparent vessel above, the liquid that transparent vessel inside is equipped with density with temperature and is changed and waxy solid, the bright rear formation heat of bulb, be delivered to transparent vessel from bottom, bottom transparent vessel, wax melts after being heated and lightens gradually, just can slowly rise, arrive that top is slightly cold just falls down again slowly, therefore produced effect of swimming.Because the caloric requirement regular hour is assembled in bulb luminescence, the generation of being heated of wax bottle can not be made fast to swim effect, and start-up time is long, inefficiency.Therefore, devise a by the lava lamp of fever tablet to wax bottle bottom-heated before the applicant, make wax bottle heated fast, shorten start-up time, but fever tablet continuous high temperature heats, wax bottle will remain on the condition of high temperature, and the wax in it just can be in molten state always, does not reach the effect constantly moved up and down.
Summary of the invention
Main purpose of the present invention is to provide a kind of lava lamp temperature control heating system and temperature control heating method, be intended to realize heating fast, start fast, and remain on suitable heating temperatures scope after rapid heating, while increasing work efficiency, wax in wax bottle is constantly moved up and down as lava, forms the effect of shadow as magic.
The present invention proposes a kind of temperature control heating system of lava lamp, comprise the heating element for heating wax bottle, the temperature conditioning unit also comprising the heating power for controlling described heating element and the power circuit of powering for described temperature conditioning unit, described temperature conditioning unit comprises the first temperature collection circuit for adopting wax-collecting bottle temperature, for gathering the second temperature collection circuit of environment temperature, microprocessor and temperature control circuit, described first temperature collection circuit, described second temperature collection circuit is connected with two inputs of described microprocessor respectively, the output of described microprocessor is connected with the input of described temperature control circuit, the output of described temperature control circuit is connected with described heating element,
Described microprocessor is used for contrasting the temperature data that described first temperature collection circuit and described second temperature collection circuit collect, judge temperature difference result, fast heating at high temperature or little temperature-compensating heating is selected according to temperature difference result, and calculate the heat time according to the temperature value that described first temperature collection circuit collects, the control signal controlling heat time and heating power is exported to described temperature control circuit, drives described temperature control circuit to control heat time and the heating power of described heating element;
When the temperature value that described first temperature collection circuit collects is identical with the temperature value that described second temperature collection circuit collects and close to when normal temperature or the temperature difference are in setting range, described microprocessor calculates the heat time, and send fast heating at high temperature signal to described temperature control circuit, drive described temperature control circuit within the heat time of budget, to carry out fast heating at high temperature to control described heating element; When described first temperature collection circuit detects that wax bottle temperature exceeds default high temperature, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
Detect that wax bottle temperature does not exceed default high temperature at described first temperature collection circuit, but the heat time is when exceeding the heat time of budget, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
When the temperature difference of the temperature value that described first temperature collection circuit collects and the temperature value that described second temperature collection circuit collects exceeds setting range, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
When described heating element enters the heated at constant temperature stage, when the temperature rising of the described wax bottle that described first temperature collection circuit detects, temperature control circuit described in described microprocessor driven controls described heating element and reduces power heating, when the temperature decline of the described wax bottle that described first temperature collection circuit detects, temperature control circuit described in described microprocessor driven controls described heating element increases power heating, is heated within the scope of stationary temperature to maintain described wax bottle.
Preferably, also comprise warning device, described warning device is connected with described microprocessor, when the temperature value that described first temperature collection circuit collects is identical with the temperature value that described second temperature collection circuit collects but when departing from normal temperature, warning device described in described microprocessor driven is reported to the police, and occurs mistake to point out hardware.
Preferably, described power circuit is DC power-supply circuit, described microprocessor is loose vast SN8P2711 microprocessor, comprise power input pin-VDD pin and VSS pin, PWM output pin, external interrupt input pin, the high level input pin of multiple ADC analog/digital conversion input pin and ADC reference voltage, the DC power output end of described power circuit and described VDD pin, described first temperature collection circuit, described second temperature collection circuit connects, described VSS pin ground connection, the signal output part of described first temperature collection circuit, the signal output part of described second temperature collection circuit is connected with described ADC analog/digital conversion input pin respectively, the high level input pin of described ADC reference voltage is connected with the signal output part of described first temperature collection circuit, described PWM output pin is connected with the input of described temperature control circuit, described external interrupt input pin is connected with the power circuit of described heating element.
Preferably, described first temperature collection circuit comprises the first thermistor, first electric capacity, first resistance and the second resistance, the positive pole of described first thermistor is connected with the DC power output end of described power circuit, the negative pole of described first thermistor is connected with wherein ADC analog/digital conversion input pin described in, the positive pole of described first electric capacity is connected with the negative pole of described first thermistor, the minus earth of described first electric capacity, the positive pole of described first resistance is connected with the negative pole of described first thermistor, the negative pole of described first resistance is connected with wherein ADC analog/digital conversion input pin described in another, the positive pole of described second resistance is connected with the negative pole of described first thermistor, the negative pole of described second resistance is connected with the high level input pin of described ADC reference voltage,
Described second temperature collection circuit comprises the second thermistor, the second electric capacity and the 3rd resistance, the positive pole of described second thermistor is connected with the DC power output end of described power circuit, the negative pole of described second thermistor is connected with wherein ADC analog/digital conversion input pin described in another, the positive pole of described second electric capacity is connected with the negative pole of described second thermistor, the minus earth of described second electric capacity, the positive pole of described 3rd resistance is connected with the negative pole of described second thermistor, the minus earth of described 3rd resistance.
Preferably; described temperature control circuit is bidirectional triode thyristor regulating circuit; comprise bidirectional triode thyristor and protective resistance; the PWM output pin of described microprocessor is held with the control end of described bidirectional triode thyristor, T1 and is connected; described protective resistance is connected between described PWM output pin and the control end of described bidirectional triode thyristor, and the T2 end of described bidirectional triode thyristor is connected with described heating element.
Preferably, described heating element is PTC heater.
The present invention proposes again a kind of temperature control heating method of lava lamp, comprises the following steps:
(1) adopt wax-collecting bottle temperature and environment temperature by temperature collection circuit, the wax bottle temperature data collected temperature collection circuit by microprocessor and ambient temperature data are contrasted, and judge temperature difference result;
(2.1) the wax bottle temperature value collected when temperature collection circuit identical with ambient temperature value and close to normal temperature or the temperature difference less, when the temperature difference is in setting range, microprocessor starts to calculate the heat time, and drives heating element to carry out Fast Heating compensation within the heat time of budget;
(2.2) temperature difference between the wax bottle temperature value collected when temperature collection circuit and ambient temperature value is comparatively large, and when exceeding setting range, microprocessor driven heating element carries out little temperature-compensating heating;
(2.3) the temperature value wax bottle temperature value collected when temperature collection circuit is identical with ambient temperature value, but when departing from normal temperature, microprocessor driven warning device gives the alarm, and occurs mistake to point out hardware;
(3.1), at Fast Heating compensated stage, when temperature collection circuit detects that wax bottle temperature exceeds preset temperature, microprocessor driven heating element carries out little temperature-compensating heating;
(3.2) at Fast Heating compensated stage, temperature collection circuit detects that wax bottle temperature does not exceed default high temperature, but when the heat time exceedes the heat time of budget, microprocessor driven heating element carries out little temperature-compensating heating;
(4) in the little temperature-compensating heating period, heating element enters the heated at constant temperature stage: when the wax bottle temperature that temperature collection circuit detects rises, microprocessor driven heating element reduces power heating, the wax bottle temperature detected when temperature collection circuit declines, microprocessor driven heating element increases power heating, is heated within the scope of stationary temperature to maintain wax bottle.
The beneficial effect of lava lamp temperature control heating method of the present invention is:
This method carries out Real-time Collection by temperature collection circuit to the temperature of wax bottle, the heating power of heating element is controlled according to the Current Temperatures of wax bottle, wax bottle can be made to be rapidly heated, accelerate wax melted by heat to rise, shorten start-up time, the operating power of heating element can be reduced again after wax bottle temperature reaches setting value, enter heated at constant temperature state, the wax of rising can be solidified again and drop to bottom, go round and begin again, the wax reached in wax bottle constantly moves up and down as lava, forms the effect of shadow as magic.
The beneficial effect of lava lamp temperature control heating system of the present invention is:
By temperature collection circuit, Real-time Collection is carried out to the temperature of wax bottle, by microcontroller, the temperature collected is judged, determine that wax bottle is the need of fast heating at high temperature or little temperature-compensating heating, thus drive temperature control circuit control heating element to heat with corresponding power, full process automatization controls, realize wax bottle to be rapidly heated, accelerate wax melted by heat to rise, shorten start-up time, and after wax bottle temperature reaches setting value, reduce the operating power of heating element, enter heated at constant temperature state, the wax of rising can be solidified again and drop to bottom, go round and begin again, the wax reached in wax bottle constantly moves up and down as lava, form the effect of shadow as magic.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the temperature control heating system of lava lamp of the present invention;
Fig. 2 is the circuit diagram of the temperature control heating system of lava lamp of the present invention;
Fig. 3 is the program flow diagram of the temperature control heating method of lava lamp of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See figures.1.and.2, propose an embodiment of lava lamp temperature control heating system of the present invention:
A temperature control heating system for lava lamp, comprises the heating element 5 for heating wax bottle, the temperature conditioning unit also comprising the heating power for controlling heating element 5 and the power circuit 6 of powering for temperature conditioning unit.Power circuit 6 is direct current constant current-supplying circuit, for temperature conditioning unit provides constant 3.3V dc source.
Temperature conditioning unit comprises the first temperature collection circuit 1 for adopting wax-collecting bottle temperature, for gathering the second temperature collection circuit 2 of environment temperature, microprocessor 3 and temperature control circuit 4, first temperature collection circuit 1, second temperature collection circuit 2 is connected with two inputs of microprocessor 3 respectively, the output of microprocessor 3 is connected with the input of temperature control circuit 4, and the output of temperature control circuit 4 is connected with heating element 5.
Wherein wax bottle temperature acquisition is called high-temperature temperature collection, temperature collection is called cryogenic temperature collection, microprocessor 3 contrasts for the temperature data collected the first temperature collection circuit 1 and the second temperature collection circuit 2, judge temperature difference result, fast heating at high temperature or little temperature-compensating heating is selected according to temperature difference result, and calculate the heat time according to the temperature value that the first temperature collection circuit 1 collects, the control signal controlling heat time and heating power is exported to temperature control circuit 4, temperature control circuit 4 is driven to control heat time and the heating power of heating element 5.
This microprocessor 3 is loose vast SN8P2711 microprocessor 3, comprises the high level input pin (P4.0/AIN0/VERFH pin) of power input pin-VDD pin and VSS pin, PWM output pin (P5.4/BZ0/PWM0 pin), external interrupt input pin (P0.0/INT0 pin), multiple ADC analog/digital conversion input pin (P4.1/AIN1 pin, P4.2/AIN2 pin, P4.3/AIN3 pin) and ADC reference voltage.The DC power output end of power circuit 6 is connected with VDD pin, the first temperature collection circuit 1, second temperature collection circuit 2, is its power supply, VSS pin ground connection.
First temperature collection circuit 1 comprises the first thermistor, first electric capacity, first resistance and the second resistance, the positive pole of the first thermistor is connected with the DC power output end of power circuit 6, the negative pole of the first thermistor is connected with a wherein ADC analog/digital conversion input pin (P4.2/AIN2 pin), the positive pole of the first electric capacity is connected with the negative pole of the first thermistor, the minus earth of the first electric capacity, the positive pole of the first resistance is connected with the negative pole of the first thermistor, the negative pole of the first resistance is connected with wherein another ADC analog/digital conversion input pin (P4.1/AIN1 pin), the positive pole of the second resistance is connected with the negative pole of the first thermistor, the negative pole of the second resistance is connected with the high level input pin (P4.0/AIN0/VERFH pin) of ADC reference voltage.
Second temperature collection circuit 2 comprises the second thermistor, the second electric capacity and the 3rd resistance, the positive pole of the second thermistor is connected with the DC power output end of power circuit 6, the negative pole of the second thermistor is connected with wherein another ADC analog/digital conversion input pin (P4.3/AIN3 pin), the positive pole of the second electric capacity is connected with the negative pole of the second thermistor, the minus earth of the second electric capacity, the positive pole of the 3rd resistance is connected with the negative pole of the second thermistor, the minus earth of the 3rd resistance.
PWM output pin (P5.4/BZ0/PWM0 pin) is connected with the input of temperature control circuit 4, and the operating power that microprocessor 3 controls temperature control circuit 4 pairs of heating elements 5 by PWM (pulse width) regulates.
External interrupt input pin (P0.0/INT0 pin) is connected with the power circuit 6 of heating element 5, when heating element 5 quits work, the power circuit 6 of heating element 5 is in off-state, thus by external interrupt input pin, microprocessor 3 judges whether heating element 5 quits work.When heating element 5 is closed, microprocessor 3 obtains this information by external interrupt input pin, thus heating timing is again made zero, to start next time.
This temperature control circuit 4 is bidirectional triode thyristor regulating circuit; comprise bidirectional triode thyristor and protective resistance; the PWM output pin of microprocessor 3 is held with the control end of bidirectional triode thyristor, T1 and is connected; protective resistance is connected between PWM output pin and the control end of bidirectional triode thyristor, and the T2 end of bidirectional triode thyristor is connected with heating element 5.
This heating element 5 is PTC heater 5, has thermal resistance little, heat exchange efficiency advantages of higher.
When the temperature value that the first temperature collection circuit 1 collects is identical with the temperature value that the second temperature collection circuit 2 collects and close to when normal temperature or the temperature difference are in setting range, microprocessor 3 calculates the heat time, and send fast heating at high temperature signal to temperature control circuit 4, drive temperature control circuit 4 to control heating element 5 and carry out fast heating at high temperature within the heat time of budget; When the first temperature collection circuit 1 detects that wax bottle temperature exceeds default high temperature, microprocessor 3 sends little temperature-compensating heating signal to temperature control circuit 4, and drive temperature control circuit 4 to control heating element 5 and carry out little temperature-compensating heating, heating element 5 enters the heated at constant temperature stage.
Detect that wax bottle temperature does not exceed default high temperature at the first temperature collection circuit 1, but the heat time is when exceeding the heat time of budget, microprocessor 3 sends little temperature-compensating heating signal to temperature control circuit 4, drive temperature control circuit 4 to control heating element 5 and carry out little temperature-compensating heating, heating element 5 enters the heated at constant temperature stage.
When the temperature difference of the temperature value that the first temperature collection circuit 1 collects and the temperature value that the second temperature collection circuit 2 collects exceeds setting range, then illustrate that wax bottle temperature is high compared with normal temperature, thus microprocessor 3 sends little temperature-compensating heating signal to temperature control circuit 4, drive temperature control circuit 4 to control heating element 5 and carry out little temperature-compensating heating, heating element 5 enters the heated at constant temperature stage.
When heating element 5 enters the heated at constant temperature stage, when the temperature rising of the wax bottle that the first temperature collection circuit 1 detects, microprocessor 3 drives temperature control circuit 4 to control heating element 5 to reduce 1W power heating, when the temperature decline of the wax bottle that the first temperature collection circuit 1 detects, microprocessor 3 drives temperature control circuit 4 to control heating element 5 increases 1W power heating, is heated within the scope of stationary temperature to maintain wax bottle.
Native system also can arrange warning device, is connected by warning device with microprocessor 3, when the temperature value that the first temperature collection circuit 1 collects is identical with the temperature value that the second temperature collection circuit 2 collects but when departing from normal temperature, then mistake appears in illustrative system hardware.Now microprocessor 3 drives warning device to report to the police, and occurs mistake to point out hardware.
Native system carries out Real-time Collection by temperature collection circuit to the temperature of wax bottle, by microcontroller, the temperature collected is judged, determine that wax bottle is the need of fast heating at high temperature or little temperature-compensating heating, thus drive temperature control circuit 4 to control heating element 5 and heat with corresponding power, full process automatization controls, realize wax bottle to be rapidly heated, accelerate wax melted by heat to rise, shorten start-up time, and after wax bottle temperature reaches setting value, reduce the operating power of heating element 5, enter heated at constant temperature state, the wax of rising can be solidified again and drop to bottom, go round and begin again, the wax reached in wax bottle constantly moves up and down as lava, form the effect of shadow as magic.
With reference to Fig. 3, the temperature control heating method of lava lamp of the present invention, comprises the following steps:
(1) adopt wax-collecting bottle temperature and environment temperature by temperature collection circuit, the wax bottle high-temperature data collected temperature collection circuit by microprocessor and low ambient temperature data are contrasted, and judge temperature difference result;
(2.1) the wax bottle temperature value collected when temperature collection circuit identical with ambient temperature value and close to normal temperature or the temperature difference less, when the temperature difference is in setting range, microprocessor starts to calculate the heat time, and drives heating element to carry out Fast Heating compensation within the heat time of budget;
(2.2) temperature difference between the wax bottle temperature value collected when temperature collection circuit and ambient temperature value is comparatively large, and when exceeding setting range, microprocessor driven heating element carries out little temperature-compensating heating;
(2.3) the temperature value wax bottle temperature value collected when temperature collection circuit is identical with ambient temperature value, but when departing from normal temperature, microprocessor driven warning device gives the alarm, and occurs mistake to point out hardware;
(3.1), at Fast Heating compensated stage, when temperature collection circuit detects that wax bottle temperature exceeds preset temperature, microprocessor driven heating element carries out little temperature-compensating heating;
(3.2) at Fast Heating compensated stage, temperature collection circuit detects that wax bottle temperature does not exceed default high temperature, but when the heat time exceedes the heat time of budget, microprocessor driven heating element carries out little temperature-compensating heating;
(4) in the little temperature-compensating heating period, heating element enters the heated at constant temperature stage: when the wax bottle temperature that temperature collection circuit detects rises, microprocessor driven heating element reduces power heating, the wax bottle temperature detected when temperature collection circuit declines, microprocessor driven heating element increases power heating, is heated within the scope of stationary temperature to maintain wax bottle.
This method carries out Real-time Collection by temperature collection circuit to the temperature of wax bottle, the heating power of heating element is controlled according to the Current Temperatures of wax bottle, wax bottle can be made to be rapidly heated, accelerate wax melted by heat to rise, shorten start-up time, the operating power of heating element can be reduced again after wax bottle temperature reaches setting value, enter heated at constant temperature state, the wax of rising can be solidified again and drop to bottom, go round and begin again, the wax reached in wax bottle constantly moves up and down as lava, forms the effect of shadow as magic.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the temperature control heating system of a lava lamp, comprise the heating element for heating wax bottle, it is characterized in that, the temperature conditioning unit also comprising the heating power for controlling described heating element and the power circuit of powering for described temperature conditioning unit, described temperature conditioning unit comprises the first temperature collection circuit for adopting wax-collecting bottle temperature, for gathering the second temperature collection circuit of environment temperature, microprocessor and temperature control circuit, described first temperature collection circuit, described second temperature collection circuit is connected with two inputs of described microprocessor respectively, the output of described microprocessor is connected with the input of described temperature control circuit, the output of described temperature control circuit is connected with described heating element,
Described microprocessor is used for contrasting the temperature data that described first temperature collection circuit and described second temperature collection circuit collect, judge temperature difference result, fast heating at high temperature or little temperature-compensating heating is selected according to temperature difference result, and calculate the heat time according to the temperature value that described first temperature collection circuit collects, the control signal controlling heat time and heating power is exported to described temperature control circuit, drives described temperature control circuit to control heat time and the heating power of described heating element;
When the temperature value that described first temperature collection circuit collects is identical with the temperature value that described second temperature collection circuit collects and close to when normal temperature or the temperature difference are in setting range, described microprocessor calculates the heat time, and send fast heating at high temperature signal to described temperature control circuit, drive described temperature control circuit within the heat time of budget, to carry out fast heating at high temperature to control described heating element; When described first temperature collection circuit detects that wax bottle temperature exceeds default high temperature, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
Detect that wax bottle temperature does not exceed default high temperature at described first temperature collection circuit, but the heat time is when exceeding the heat time of budget, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
When the temperature difference of the temperature value that described first temperature collection circuit collects and the temperature value that described second temperature collection circuit collects exceeds setting range, described microprocessor sends little temperature-compensating heating signal to described temperature control circuit, drive described temperature control circuit to control described heating element and carry out little temperature-compensating heating, described heating element enters the heated at constant temperature stage;
When described heating element enters the heated at constant temperature stage, when the temperature rising of the described wax bottle that described first temperature collection circuit detects, temperature control circuit described in described microprocessor driven controls described heating element and reduces power heating, when the temperature decline of the described wax bottle that described first temperature collection circuit detects, temperature control circuit described in described microprocessor driven controls described heating element increases power heating, is heated within the scope of stationary temperature to maintain described wax bottle.
2. lava lamp temperature control heating system according to claim 1, it is characterized in that, also comprise warning device, described warning device is connected with described microprocessor, when the temperature value that described first temperature collection circuit collects is identical with the temperature value that described second temperature collection circuit collects but when departing from normal temperature, warning device described in described microprocessor driven is reported to the police, and occurs mistake to point out hardware.
3. lava lamp temperature control heating system according to claim 1 and 2, it is characterized in that, described power circuit is DC power-supply circuit, described microprocessor is loose vast SN8P2711 microprocessor, comprise power input pin-VDD pin and VSS pin, PWM output pin, external interrupt input pin, the high level input pin of multiple ADC analog/digital conversion input pin and ADC reference voltage, the DC power output end of described power circuit and described VDD pin, described first temperature collection circuit, described second temperature collection circuit connects, described VSS pin ground connection, the signal output part of described first temperature collection circuit, the signal output part of described second temperature collection circuit is connected with described ADC analog/digital conversion input pin respectively, the high level input pin of described ADC reference voltage is connected with the signal output part of described first temperature collection circuit, described PWM output pin is connected with the input of described temperature control circuit, described external interrupt input pin is connected with the power circuit of described heating element.
4. lava lamp temperature control heating system according to claim 3, it is characterized in that, described first temperature collection circuit comprises the first thermistor, first electric capacity, first resistance and the second resistance, the positive pole of described first thermistor is connected with the DC power output end of described power circuit, the negative pole of described first thermistor is connected with wherein ADC analog/digital conversion input pin described in, the positive pole of described first electric capacity is connected with the negative pole of described first thermistor, the minus earth of described first electric capacity, the positive pole of described first resistance is connected with the negative pole of described first thermistor, the negative pole of described first resistance is connected with wherein ADC analog/digital conversion input pin described in another, the positive pole of described second resistance is connected with the negative pole of described first thermistor, the negative pole of described second resistance is connected with the high level input pin of described ADC reference voltage,
Described second temperature collection circuit comprises the second thermistor, the second electric capacity and the 3rd resistance, the positive pole of described second thermistor is connected with the DC power output end of described power circuit, the negative pole of described second thermistor is connected with wherein ADC analog/digital conversion input pin described in another, the positive pole of described second electric capacity is connected with the negative pole of described second thermistor, the minus earth of described second electric capacity, the positive pole of described 3rd resistance is connected with the negative pole of described second thermistor, the minus earth of described 3rd resistance.
5. lava lamp temperature control heating system according to claim 3; it is characterized in that; described temperature control circuit is bidirectional triode thyristor regulating circuit; comprise bidirectional triode thyristor and protective resistance; the PWM output pin of described microprocessor is held with the control end of described bidirectional triode thyristor, T1 and is connected; described protective resistance is connected between described PWM output pin and the control end of described bidirectional triode thyristor, and the T2 end of described bidirectional triode thyristor is connected with described heating element.
6. lava lamp temperature control heating system according to claim 5, it is characterized in that, described heating element is PTC heater.
7. a temperature control heating method for lava lamp, is characterized in that, comprise the following steps:
(1) adopt wax-collecting bottle temperature and environment temperature by temperature collection circuit, the wax bottle temperature data collected temperature collection circuit by microprocessor and ambient temperature data are contrasted, and judge temperature difference result;
(2.1) the wax bottle temperature value collected when temperature collection circuit identical with ambient temperature value and close to normal temperature or the temperature difference less, when the temperature difference is in setting range, microprocessor starts to calculate the heat time, and drives heating element to carry out Fast Heating compensation within the heat time of budget;
(2.2) temperature difference between the wax bottle temperature value collected when temperature collection circuit and ambient temperature value is comparatively large, and when exceeding setting range, microprocessor driven heating element carries out little temperature-compensating heating;
(2.3) the temperature value wax bottle temperature value collected when temperature collection circuit is identical with ambient temperature value, but when departing from normal temperature, microprocessor driven warning device gives the alarm, and occurs mistake to point out hardware;
(3.1), at Fast Heating compensated stage, when temperature collection circuit detects that wax bottle temperature exceeds preset temperature, microprocessor driven heating element carries out little temperature-compensating heating;
(3.2) at Fast Heating compensated stage, temperature collection circuit detects that wax bottle temperature does not exceed default high temperature, but when the heat time exceedes the heat time of budget, microprocessor driven heating element carries out little temperature-compensating heating;
(4) in the little temperature-compensating heating period, heating element enters the heated at constant temperature stage: when the wax bottle temperature that temperature collection circuit detects rises, microprocessor driven heating element reduces power heating, the wax bottle temperature detected when temperature collection circuit declines, microprocessor driven heating element increases power heating, is heated within the scope of stationary temperature to maintain wax bottle.
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| CN115924318A (en) * | 2022-10-28 | 2023-04-07 | 云南电网有限责任公司大理供电局 | Oil sample transport case |
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