CN107438300A - The anhydrous hand warmer of safety and wireless charging thermal and control method - Google Patents
The anhydrous hand warmer of safety and wireless charging thermal and control method Download PDFInfo
- Publication number
- CN107438300A CN107438300A CN201610350605.2A CN201610350605A CN107438300A CN 107438300 A CN107438300 A CN 107438300A CN 201610350605 A CN201610350605 A CN 201610350605A CN 107438300 A CN107438300 A CN 107438300A
- Authority
- CN
- China
- Prior art keywords
- hand warmer
- wireless charging
- circuit
- iron block
- thermal
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
Safe anhydrous hand warmer of the invention and wireless charging thermal and control method, including anhydrous hand warmer and wireless charging thermal.The anhydrous hand warmer includes insulation crust and internal accumulation of heat iron block, and insulation asbestos are enclosed with around accumulation of heat iron block.The wireless charging heat control device hardware is made up of circuits such as Switching Power Supply, the higher-order of oscillation, temperature detection, temperature control, amplifying circuit, power switch circuit, electromagnetic conversion coils.Software section, application program are shown a C language.When wireless charging thermal works, oscillator signal is produced by high-frequency oscillating circuits, into amplifying circuit, the high-frequency signal after amplification make a gift to someone power switch circuit carry out power amplification, the high frequency electric of switching tube output enters heating coil, heating coil produces electromagnetic pulse, and when electromagnetic pulse is through accumulation of heat iron block inside hand warmer, vortex current is formed in iron block, because iron block has resistance, according to the fuel factor of electric current, so as to which iron block is heated, reaches and fill hot purpose.
Description
Technical field
The anhydrous hand warmer of of the invention safety and wireless charging thermal and control method, and in particular to a kind of anhydrous hand warmer of safety and wireless charging thermal.
Background technology
The hand warmer that winter people use, there are two types, one kind has water, a kind of anhydrous, it is that the resistance wire heat-generating disc used the power on for having water heats water body in water respectively that it, which fills the principle of heat, or it is powered using two electrodes separated in water, when electric current flows through in water, heat can be produced, so as to heat water body.It is anhydrous, it is using the iron block having outside the heat-generating disc electrified regulation of resistance wire, puts aside heat.All of above heat engine system of filling all is to utilize electric main heater, and its common potential safety hazard is, when filling heat, the socket of city's electrical wiring and hand warmer is often damaged due to loose contact, or even arcing, abnormally dangerous.
Safe anhydrous hand warmer of the invention and wireless charging thermal and control method, fill heat to anhydrous hand warmer using electromagnetic inductive heating principle, solve above mentioned problem.Device has safe to use, fills the characteristics of thermal efficiency is high.
The content of the invention
Safe anhydrous hand warmer of the invention and wireless charging thermal and control method, including anhydrous hand warmer and wireless charging thermal.The water hand warmer includes insulation crust and internal accumulation of heat iron block, and insulation asbestos are enclosed with around the accumulation of heat iron block.The wireless charging thermal is made up of switching power circuit, high-frequency oscillating circuits, temperature sensing circuit, temperature-control circuit, amplification and pulse width control circuit, power switch circuit, electromagnetic conversion coil and heated base.The control circuit includes, pulse-width modulation circuit, single-chip microcomputer process circuit, display circuit and keyboard control circuit.It is described to fill hot base special shape is made, and the electromagnetic conversion coil of both sides device adaptable therewith is made so that flux concentration passes through hand warmer, and compared to unicoil, the leakage field of outside is less.When needing to fill heat, hand warmer is put into base, sets and fills hot temperature, switch on power, hot base is filled when hand warmer reaches design temperature and is automatically stopped heating, ensure that hand warmer is unlikely to cross cause thermal damage because filling hot overlong time.
The hot base operation principle of wireless charging is, it is amplified by high-frequency oscillating circuits generation high-frequency oscillation signal into amplifying circuit and carries out pulse-width controlled, high-frequency pulse signal after amplification power switch circuit of making a gift to someone is subjected to power amplification and controlling switch pipe, the high-frequency pulse current exported by switching tube enters heating coil, heating coil produces electromagnetic pulse, when electromagnetic pulse is through accumulation of heat iron block inside hand warmer, vortex current is formed in iron block, because iron block has certain resistance, according to the fuel factor of electric current, so as to heating iron, reach and fill hot purpose.
The control method of circuit is that the temperature for needing to heat by keyboard setting hand warmer, this design temperature information temporary storage is in the register of single-chip computer AT89C52, while this information is also fed into display circuit and shown.Temperature is set, by start button, single-chip microcomputer obtains starting heater circuit instruction, start high-frequency generator, heater circuit heats, temperature sensing circuit constantly detects hand warmer surface temperature simultaneously, and the information detected is constantly made a gift to someone single-chip computer AT89C52, single-chip microcomputer will constantly detect obtained temperature after obtaining information and design temperature is compared, if the temperature detected is less than design temperature, heater circuit continues to heat, if the temperature detected reaches design temperature, single-chip microcomputer sends the instruction for closing oscillating circuit, and heater circuit is stopped.In order to prevent hand warmer from hand warmer unexpectedly is removed into heating region in heating process, so as to cause to sense iron block away from induction coil, power switch pipe is damaged, there is provided protection circuit.When protection circuit detects that coil does not nearby have iron block; the voltage of sensor sensing will raise, and this signal be made a gift to someone single-chip computer AT89C52 after amplifying shaping, after single-chip computer AT89C52 judges; the instruction of oscillating circuit is closed in output, and heater circuit is stopped.Power switch pipe is protected to be unlikely to damage.
The anhydrous hand warmer of of the invention safety and the innovative point of wireless charging thermal and control method be, is wirelessly heated and automatically controlled base using way of electromagnetic induction and solve common hand warmer unsafe problems caused by attaching plug are plugged under high-power state.Heated by the way of double induction coils, magnetic field is focused more in iron block, and the efficiency of heating surface is higher.
Brief description of the drawings
Fig. 1 is the anhydrous hand warmer of safety of the invention and wireless charging thermal and control method hand warmer structure schematic diagram.
Fig. 2 is the anhydrous hand warmer of safety of the invention and wireless charging thermal and control method understructure schematic diagram.
Fig. 3 is the anhydrous hand warmer of safety of the invention and wireless charging thermal and control method base electrical principle block diagram.
Fig. 4 is the anhydrous hand warmer of safety of the invention and wireless charging thermal and control method base controls software flow chart.
Embodiment
The anhydrous hand warmer of safety of the invention and wireless charging thermal are described further with control method below in conjunction with the accompanying drawings：As shown in Figure 1, Figure 2, Figure 3 shows, the anhydrous hand warmer of present invention safety and wireless charging thermal and control method, including anhydrous hand warmer and wireless charging thermal.The water hand warmer includes insulation crust 10 and internal accumulation of heat iron block 8, and insulation asbestos 9 are enclosed with around the accumulation of heat iron block 8.The wireless charging thermal understructure is by filling thermal shell 1, control device circuit board 2.The top of the control device circuit board 2 is equipped with electronic component 4.The top of thermal shell 1 of filling is equipped with control panel 3, and described fill in the middle part of on thermal shell 1 is provided with rectangle heating tank 6, and the both sides of the rectangle heating tank 6 are equipped with heating coil 5, and temperature detection sensor 7 is housed close to the lower section both sides of heating coil 5.Heating control apparatus hardware is by switching power circuit, high-frequency oscillating circuits, temperature sensing circuit, temperature-control circuit, amplification and pulse width control circuit, power switch circuit, electromagnetic conversion coil composition.The temperature-control circuit includes, pulse-width modulation circuit, single-chip microcomputer process circuit, display circuit and keyboard control circuit.Software section, application program are shown a C language.
Fill hot base and special shape is made, and the electromagnetic conversion coil of both sides device adaptable therewith is made so that flux concentration passes through hand warmer, and compared to unicoil, the leakage field of outside is less.When needing to fill heat, hand warmer is put into base, set and fill hot temperature, switch on power, when hand warmer reaches design temperature, temperature sensor makes a gift to someone induced signal single-chip computer AT89C52, and single-chip microcomputer sends instruction and allowed after judging fills hot base and automatically shut power off, and ensure that hand warmer is unlikely to cross cause thermal damage because filling hot overlong time.
The hot base operation principle of wireless charging is, high-frequency oscillation signal is produced by high-frequency oscillating circuits, it is amplified into amplifying circuit and carries out pulse-width controlled, high-frequency pulse signal after amplification power switch circuit of making a gift to someone is subjected to power amplification and controlling switch pipe, the high-frequency pulse current exported by switching tube enters heating coil, heating coil produces electromagnetic pulse, when electromagnetic pulse is through accumulation of heat iron block inside hand warmer, vortex current is formed in iron block, because iron block has certain resistance, according to the fuel factor of electric current, so as to heating iron, reach and fill hot purpose.The control principle of circuit is that the temperature for needing to heat by keyboard setting hand warmer, this design temperature information temporary storage is in the register of single-chip computer AT89C52, while this information is also fed into display circuit and shown.Temperature is set, by start button, single-chip computer AT89C52, which is sent, starts oscillating circuit instruction, start heater circuit heating, temperature sensing circuit constantly detects hand warmer surface temperature simultaneously, and the temperature information detected is constantly made a gift to someone single-chip computer AT89C52, single-chip microcomputer will constantly detect obtained temperature after obtaining information and design temperature is compared, if the temperature detected is less than design temperature, heater circuit continues to heat, if the temperature detected reaches design temperature, single-chip microcomputer sends the instruction for closing oscillating circuit, and heater circuit is stopped.In order to prevent hand warmer from hand warmer unexpectedly is removed into heating region in heating process, so as to cause to sense iron block away from induction coil, power switch pipe is damaged, there is provided protection circuit.When protection circuit detects that coil does not nearby have iron block, the voltage of sensor sensing will be raised, and by single-chip computer AT89C52 of being made a gift to someone after the amplification shaping of this signal, after single-chip computer AT89C52 judges, the instruction of oscillating circuit is closed in output, and heater circuit is stopped.Power switch pipe is protected to be unlikely to damage.
As shown in figure 4, the present embodiment software workflow is as follows, heating starts, initialization, set heating-up temperature, high-frequency generator work, amplification, pull switch pipe, heating coil produces electromagnetic pulse, and electromagnetic pulse produces vortex current, heating iron through iron block inside hand warmer.Temperature sensor detection temperature, temperature signal conversion, amplifies shaping, compares the temperature of setting, and temperature is less than setting value, returns to detection, continues detection and compare；Temperature is equal to design temperature, high-frequency generator failure of oscillation, and switching tube stops heating without output.Protection circuit sensor detects, and comparison voltage, less than normal value, high-frequency generator works on, and higher than normal value, high-frequency generator failure of oscillation, switching tube stops heating without output.
Claims (3)
1. safe anhydrous hand warmer of the invention and wireless charging thermal and control method, including anhydrous hand warmer and wireless charging thermal；It is characterized in that：The water hand warmer includes insulation crust（10）With internal accumulation of heat iron block（8）, the accumulation of heat iron block（8）Surrounding is enclosed with insulation asbestos（9）；The wireless charging thermal understructure is by filling thermal shell（1）, control device circuit board（2）；The control device circuit board（2）Top electronic component is housed（4）；It is described to fill thermal shell（1）Top is equipped with control panel（3）, it is described to fill thermal shell（1）Upper middle part is provided with rectangle heating tank（6）, the rectangle heating tank（6）Both sides heating coil is housed（5）, close to heating coil（5）Lower section both sides temperature detection sensor is housed（7）；Heating control apparatus hardware is by switching power circuit, high-frequency oscillating circuits, temperature sensing circuit, temperature-control circuit, amplification and pulse width control circuit, power switch circuit, electromagnetic conversion coil composition；The temperature-control circuit includes, pulse-width modulation circuit, single-chip computer AT89C52 process circuit, display circuit and keyboard control circuit.
2. safe anhydrous hand warmer of the invention and wireless charging thermal and control method, it is characterized in that：Wirelessly heated using way of electromagnetic induction, automatically control base realization and automatically power off, solve common hand warmer and unsafe problems caused by attaching plug are plugged under high-power state.
3. safe anhydrous hand warmer of the invention and wireless charging thermal and control method, it is characterized in that：Fill hot base and special shape is made, and the electromagnetic conversion coil of both sides device adaptable therewith is made so that flux concentration passes through hand warmer, and compared to unicoil, the leakage field of outside is less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350605.2A CN107438300A (en) | 2016-05-25 | 2016-05-25 | The anhydrous hand warmer of safety and wireless charging thermal and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350605.2A CN107438300A (en) | 2016-05-25 | 2016-05-25 | The anhydrous hand warmer of safety and wireless charging thermal and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107438300A true CN107438300A (en) | 2017-12-05 |
Family
ID=60453885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610350605.2A Withdrawn CN107438300A (en) | 2016-05-25 | 2016-05-25 | The anhydrous hand warmer of safety and wireless charging thermal and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107438300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842671A (en) * | 2021-02-09 | 2021-05-28 | 北京电子科技职业学院 | Heating installation based on magnetic liquid |
-
2016
- 2016-05-25 CN CN201610350605.2A patent/CN107438300A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842671A (en) * | 2021-02-09 | 2021-05-28 | 北京电子科技职业学院 | Heating installation based on magnetic liquid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20180069532A (en) | Induction heat cooking apparatus and operating method thereof | |
| CN204336656U (en) | Electric kettle | |
| CN107438300A (en) | The anhydrous hand warmer of safety and wireless charging thermal and control method | |
| CN206516446U (en) | A kind of Miniature safety electronic transformer | |
| CN103174940A (en) | Oil pipeline electromagnetic heater and application method thereof | |
| CN203980611U (en) | A kind of liquid heater | |
| CN202323510U (en) | Induction-heating cordless iron | |
| CN213216505U (en) | Control circuit for electric heating cup | |
| JP2006040833A (en) | Induction heating device | |
| CN107177863A (en) | A kind of heater and application method for aluminum cell cathode steel bar | |
| CN204787198U (en) | Frequency conversion heating water storage type electric water heater | |
| CN206890839U (en) | A kind of electromagnetic boiler | |
| CN207074149U (en) | A kind of portable slope ground experimental heating apparatus | |
| CN107228573B (en) | A kind of industrial smelting furnace stirring means and its terminal | |
| CN206413211U (en) | Chute aluminium water electromagnetic heating system | |
| CN208513818U (en) | Hot plate has the closed soldering furnace of temperature-compensating | |
| CN205660278U (en) | Metal electric welding | |
| CN206559671U (en) | A kind of hot instrument foot care disk of hot instrument of magnetic and magnetic | |
| CN207590496U (en) | A kind of energy-saving steam cabinet | |
| CN202623298U (en) | Electric fusing soldering welder | |
| CN214256667U (en) | Heating device for insulator | |
| CN109458638B (en) | Electromagnetic oven power control method and electromagnetic oven | |
| CN201844533U (en) | Air-cooled variable frequency electromagnetic water heating device | |
| CN205635013U (en) | Intermediate frequency response liquid disinfection and isolation machine | |
| CN206232776U (en) | A kind of auxiliary apparatus for cooling of iron casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171205 |
|
| WW01 | Invention patent application withdrawn after publication |