CN2733810Y - An infrared temperature measurement electromagnetic heater - Google Patents
An infrared temperature measurement electromagnetic heater Download PDFInfo
- Publication number
- CN2733810Y CN2733810Y CN 200420061350 CN200420061350U CN2733810Y CN 2733810 Y CN2733810 Y CN 2733810Y CN 200420061350 CN200420061350 CN 200420061350 CN 200420061350 U CN200420061350 U CN 200420061350U CN 2733810 Y CN2733810 Y CN 2733810Y
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- control module
- infrared
- temperature measurement
- temperature
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Abstract
The utility model discloses an infrared temperature measurement electromagnetic heater, comprising a case body, a heating wire coil component, and a main control block. A metal heated load is arranged on a heating mesa on the upper part of the case body, and the surface raised by the case body is provided with an infrared temperature measurement sensor. The sensitizing window of the infrared temperature measurement sensor aligns the outer wall of the heated load, and the infrared temperature measurement sensor is connected with the temperature measurement processing module of the main control block. The infrared temperature measurement sensor converts the infrared radiation of the heated load into the measurable electrical signals, and sends the electrical signal to the temperature measurement processing module. The utility model adopts the infrared induction technique to replace the temperature measurement of the thermistors, and proceeds the ambient temperature compensation by a real-time control routine software embedded in a microcontroller, through arranging correctly the location of the infrared temperature measurement sensor. So the utility model has the advantages of high precision of temperature measurement and fast response speed, can directly reflect the actual temperature of the heated load, is free from the effect of the cooling fans, and can regulate and control the temperature of the heated load accurately and duly to achieve the optimum heating effect.
Description
Technical field
The utility model relates to configuration or the installation with the control assembly of electric energy heating appliances, especially relates to a kind of infrared measurement of temperature electromagnetic heating device.
Background technology
Existing electromagnetic heating device measurement is subjected to the temperature of heat load, is the thermistor that adopts the upper face center place that is installed in the inner heat coil panel mostly, and this thermistor is close to the ceramic wafer basal surface by resiliency supported.Electromagnetic heating device is to make by electromagnetic induction principle to be subjected to the heating of heat load bottom, heat is by being subjected to heat load to pass to ceramic wafer, conduct to thermistor again by ceramic wafer, sensing is subjected to the temperature of heat load can not directly reflect the true temperature that is subjected to heat load like this, be subjected to the influence of inner other heater members of utensil and cooling fan bigger, have the shortcoming that temperature measurement accuracy is low, response speed is slow.Also influence realize reliably such as cook automatically, function such as automatic water boiler.When dry combustion method takes place, need certain hour high temperature could be conducted to position, thermistor place, so that tend to cause the accident that is subjected to the heat load gross distortion and damages electromagnetic heating device.
Summary of the invention
The infrared measurement of temperature electromagnetic heating device that the technical problems to be solved in the utility model provides a kind of temperature measurement accuracy height and response speed is fast, can directly reflect the true temperature that is subjected to heat load.
Above-mentioned technical problem of the present utility model is solved like this:
This infrared measurement of temperature electromagnetic heating device comprises shell body, heating spool rest parts and main body control parts.
Described heating spool rest parts comprise the heater coil that is arranged in the shell body, and the heating table top that is arranged on shell body top.
Described main body control parts comprise the master board that is arranged in the shell body and are connected with it and are arranged on control panel on the shell body, master board comprises rectification module, inversion module, thermometric processing module and heater coil power control module, rectification module is connected to the mains ac power supply, its direct current output is applied to inversion module, inversion module provides alternating current to heater coil, make and be in the metal heated carrier surface inductive loop in the alternating magnetic field and generate heat, the running parameter of inversion device is by the control of heater coil power control module, and metal heated load is arranged on the heating table top on shell body top.
Characteristics of the present utility model are: the surface of described shell body protuberance is provided with infrared temperature-test sensor, the photosensitive window of described infrared temperature-test sensor is aimed at the outer wall that is subjected to heat load, infrared temperature-test sensor is connected with thermometric processing module in the described master board, infrared temperature-test sensor will be converted to by the infrared radiation of heat load can measure the signal of telecommunication, delivers to the thermometric processing module.Adopt the infrared induction technology to replace thermistor temperature detecting, can improve temperature measurement accuracy, accelerate response speed, the photosensitive window of infrared temperature-test sensor is aimed at the outer wall that is subjected to heat load, be the necessary condition that realizes the infrared induction thermometric, it is determined by ultrared transmission characteristic.
As a kind of improvement of the present utility model, described infrared temperature-test sensor is arranged on the surface of shell body back rise, is positioned at the rear side that is subjected to heat load place heating table top, and heats the cooling fan of the below of table top away from being positioned at the front side that is subjected to heat load.Infrared temperature-test sensor is set like this, can directly reflects the true temperature that is subjected to heat load, and be not subjected to the influence of inner other heater members of utensil and cooling fan.
As another kind of improvement the of the present utility model, described master board is the master board of adopting microcontroller, described thermometric processing module and heater coil power control module are arranged in the microcontroller, after the signal of telecommunication measured that changed by the infrared radiation of heat load is delivered to the thermometric processing module, handle by the real-time control routine software that microcontroller is embedded.Adopt the master board of microcontroller, infrared temperature-test sensor is to be connected with thermometric processing module in the microcontroller through the signal amplification circuit of itself module, can make described infrared measurement of temperature electromagnetic heating device become a kind of intelligent electromagnetic heating appliances, further improve temperature measurement accuracy, accelerate data processing speed.
Microcontroller is adopted in master board, and described control panel is with regard to the corresponding human-computer interaction interface that comprises button control module, display control module that is provided with.Human-computer interaction interface can be accepted user command, realizes the function that the user needs.
The master board of described employing microcontroller also comprises with heater coil power control module in the microcontroller and being connected so that the voltage detecting circuit and the current detection circuit of heater coil power adjustment information to be provided; and the self adaptation synchronous circuit module that is connected with protection control module in current detection circuit, inversion module, the microcontroller respectively; this self adaptation synchronous circuit module also is connected across the heater coil two ends, can reduce the self-heating of inversion device.
Described microcontroller; also comprise fan control module, protection control module and alarm control module; fan control module is connected with cooling fan; control its running; the protection control module is connected with the self adaptation synchronous circuit module, jointly heater coil is protected, and alarm control module is connected with alarm appliance such as buzzer; when the work appearance is unusual, send alarm signal.
The utility model adopts the infrared induction technology to replace thermistor temperature detecting, by the infrared temperature-test sensor present position correctly is set, and the real-time control routine software embedded by microcontroller carries out ambient temperature compensation, have the fast characteristics of temperature measurement accuracy height and response speed, can directly reflect the true temperature that is subjected to heat load, be not subjected to the influence of cooling fan, and can regulate and control to be subjected to the temperature of heat load accurately and timely, reach best heats.
Description of drawings
Below the contrast accompanying drawing and in conjunction with embodiment the invention will be further described.
Fig. 1 is that control circuit of the present utility model is formed block diagram.
Fig. 2 is the vertical view of the utility model embodiment.
Fig. 3 is the A-A cutaway view of Fig. 2.
Embodiment
A kind of infrared measurement of temperature electromagnetic oven
This infrared measurement of temperature electromagnetic oven, comprise shell body 1, heating spool rest parts and main body control parts, described heating spool rest parts comprise the heater coil 2 that is arranged in the shell body 1, and the micro-crystalline ceramic glass plate heating table top 3 that is arranged on shell body 1 top, described main body control parts comprise the master board 4 that is arranged in the shell body 1 and are connected with it and are arranged on control panel on the shell body 1, master board 4 comprises rectification module 5, inversion module 6, thermometric processing module and heater coil power control module, rectification module 5 is connected to the mains ac power supply, its direct current output is applied to inversion module 6, inversion module 6 provides alternating current to heater coil 2, make the metal heated load 7 surface induction eddy current that are in the alternating magnetic field and generate heat, the running parameter of inversion device is by the control of heater coil power control module, and metal heated load 7 is arranged on the heating table top 3 on shell body 1 top.
Being provided with model in the described shell body 1 is the infrared temperature-test sensor 8 of TPML-1, infrared temperature-test sensor 8 is connected with thermometric processing module in the master board 4, infrared temperature-test sensor 8 will be converted to by the infrared radiation of heat load 7 can measure the signal of telecommunication, delivers to the thermometric processing module.Adopt the infrared induction technology to replace thermistor temperature detecting, can improve temperature measurement accuracy, accelerate response speed.
Described infrared temperature-test sensor 8 is arranged on the surface of shell body 1 back rise, be positioned at the rear side that is subjected to heat load 7 places heating table top 3, and away from the cooling fan 9 of the below that is positioned at the front side heating table top 3 that is subjected to heat load 7, the photosensitive window of infrared temperature-test sensor 8 is aimed at the outer wall that is subjected to heat load 7.Infrared temperature-test sensor 8 is set like this, can directly reflects the true temperature that is subjected to heat load 7, and be not subjected to the influence of inner other heater members of utensil and cooling fan 9.
Described master board 4 is that the employing model is the master board of the microcontroller 10 of S3F9488, described thermometric processing module and heater coil power control module are arranged in the microcontroller 10, after the signal of telecommunication measured that changed by the infrared radiation of heat load 7 is delivered to the thermometric processing module, handle by microcontroller 10 embedded real-time control routine softwares.Infrared temperature-test sensor 8 is connected with thermometric processing module in the microcontroller 10 through the signal amplification circuit of itself module.
Described master board 4 also is included as the rectifying voltage regulator circuit 11 that each circuit and module provide 5V, 18V DC power supply.
Described control panel is provided with the human-computer interaction interface 12 that comprises button control module, display control module.Human-computer interaction interface 12 can be accepted user command, realizes the function that the user needs.
The master board 4 of described employing microcontroller 10; also comprise with heater coil power control module in the microcontroller 10 and being connected with voltage detecting circuit 13 and the current detection circuit 14 that heater coil 2 power adjustment information are provided; and the self adaptation synchronous circuit module 15 that is connected with protection control module in current detection circuit 14, inversion module 6, the microcontroller 10 respectively; this self adaptation synchronous circuit module 15 also is connected across heater coil 2 two ends, can reduce the self-heating of inversion device.
Described microcontroller 10; also comprise fan control module, protection control module and alarm control module; fan control module is connected with cooling fan 9; control its running; the protection control module is connected with self adaptation synchronous circuit module 15, jointly heater coil 2 is protected, and alarm control module is connected with alarm appliance such as buzzer; when the work appearance is unusual, send alarm signal.
Described inversion module 6 is the single tube resonance modules that adopt the insulated door gated transistors.The 220V electric main through rectification module 5 rectifications into about the 310V direct current, be applied on the single tube resonance inversion module 6, single tube resonance inversion module 6 produces alternating magnetic field, makes metal heated load 7 surface inductions that are in the alternating magnetic field go out eddy current, thereby reaches high efficiency heats.Single tube resonance inversion module 6 is to implement control by heater coil power control module combining adaptive synchronous circuit module in the microcontroller 10 15, accomplish to be implemented in conducting when minimum of the collector voltage of insulated door gated transistors in the different capacity section, reduce conduction loss, reduce the self-heating of inversion device insulated door gated transistors.
Protection has comprised the collector electrode high tension protection circuit of circuit overcurrent protection, insulated door gated transistors in the control module in the microcontroller 10; all adopt hardware comparator; realize highly reliable quick protection, the insulated door gated transistors is operated in reliable voltage, the current range.
Entire circuit all is by the embedded real-time control routine software control of microcontroller 10.Realize the automatic adjusting of heater coil 2 power by voltage detecting circuit 13 and current detection circuit 14; accept user command by human-computer interaction interface 12; realize the function that the user needs; by the protection of thermometric handling procedure realization to heater members insulated door gated transistors, and the temperature measuring that is subjected to heat load 7.
After being subjected to heat load 7 promptly food be heated in the pot body, pot body wall temperature also rises thereupon, the infrared ray that the pot surface gives off changes with this temperature, infrared temperature-test sensor 8 will be subjected to the infrared radiation of heat load 7 to be converted to measurable signal of telecommunication, after this faint signal of telecommunication itself carries the signal amplification circuit amplification of module through infrared temperature-test sensor 8, deliver to the thermometric processing module of microcontroller 10 and carry out mould/number conversion processing, and by the relation of the embedded real-time control routine software of microcontroller 10 according to the signal of telecommunication and temperature, carry out ambient temperature compensation, accurately calculate and be subjected to the i.e. temperature of pot body of heat load 7, thereby fast, accurately calculate the temperature of food in the body that takes the dish out of the pot, and according to detected temperature, by correspondent voltage testing circuit 13 in the master board 4, the automatic adjusting that current detection circuit 14 is realized heater coil 2 power, can also realize accepting user command finishing the function that the user needs by human-computer interaction interface 12, thereby reach best heats.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (7)
1. infrared measurement of temperature electromagnetic heating device, comprise shell body, heating spool rest parts and main body control parts, described heating spool rest parts comprise the heater coil that is arranged in the shell body, and the heating table top that is arranged on shell body top, described main body control parts comprise the master board that is arranged in the shell body and are connected with it and are arranged on control panel on the shell body, master board comprises rectification module, inversion module, thermometric processing module and heater coil power control module, rectification module is connected to the mains ac power supply, its direct current output is applied to inversion module, inversion module provides alternating current to heater coil, make and be in the metal heated carrier surface inductive loop in the alternating magnetic field and generate heat, the running parameter of inversion device is controlled by the heater coil power control module, metal heated load is arranged on the heating table top on shell body top, it is characterized in that: the surface of described shell body protuberance is provided with infrared temperature-test sensor, the photosensitive window of described infrared temperature-test sensor is aimed at the outer wall that is subjected to heat load, infrared temperature-test sensor is connected with thermometric processing module in the described master board, infrared temperature-test sensor will be converted to by the infrared radiation of heat load can measure the signal of telecommunication, delivers to the thermometric processing module.
2. according to the described infrared measurement of temperature electromagnetic heating device of claim 1, it is characterized in that: described infrared temperature-test sensor is arranged on the surface of shell body back rise, be positioned at the rear side that is subjected to heat load place heating table top, and heat the cooling fan of the below of table top away from being positioned at the front side that is subjected to heat load.
3. according to claim 1 or 2 described infrared measurement of temperature electromagnetic heating devices, it is characterized in that: described master board is the master board of adopting microcontroller, described thermometric processing module and heater coil power control module are arranged in the microcontroller, after the signal of telecommunication measured that changed by the infrared radiation of heat load is delivered to the thermometric processing module, handle by the real-time control routine software that microcontroller is embedded.
4. according to the described infrared measurement of temperature electromagnetic heating device of claim 3, it is characterized in that: described infrared temperature-test sensor is to be connected with thermometric processing module in the microcontroller through the signal amplification circuit of itself module.
5. according to the described infrared measurement of temperature electromagnetic heating device of claim 3, it is characterized in that: described control panel is provided with the human-computer interaction interface that comprises button control module, display control module.
6. according to the described infrared measurement of temperature electromagnetic heating device of claim 3; it is characterized in that: the master board of described employing microcontroller also comprises with heater coil power control module in the microcontroller and being connected so that the voltage detecting circuit and the current detection circuit of heater coil power adjustment information to be provided; and the self adaptation synchronous circuit module that is connected with protection control module in current detection circuit, the microcontroller respectively, this self adaptation synchronous circuit module also is connected across the heater coil two ends.
7. according to the described infrared measurement of temperature electromagnetic heating device of claim 3; it is characterized in that: described microcontroller also comprises fan control module, protection control module and alarm control module; fan control module is connected with cooling fan; the protection control module is connected with the self adaptation synchronous circuit module, and alarm control module is connected with alarm appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061350 CN2733810Y (en) | 2004-09-14 | 2004-09-14 | An infrared temperature measurement electromagnetic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061350 CN2733810Y (en) | 2004-09-14 | 2004-09-14 | An infrared temperature measurement electromagnetic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733810Y true CN2733810Y (en) | 2005-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420061350 Expired - Lifetime CN2733810Y (en) | 2004-09-14 | 2004-09-14 | An infrared temperature measurement electromagnetic heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN2733810Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449210C (en) * | 2006-07-18 | 2009-01-07 | 叶小舟 | Electromagnetic range capable of automatic control temperature |
| CN103807884A (en) * | 2012-11-06 | 2014-05-21 | 深圳拓邦股份有限公司 | Induction-heating cooker |
| CN106136842A (en) * | 2015-04-03 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | It is provided with the cooking furnace of wireless temperature measuring device, control method and system |
| CN112087831A (en) * | 2020-08-14 | 2020-12-15 | 中山市合硕高品电器有限公司 | Device and method for identifying deviation of cookware and range of induction area capable of being displayed |
| CN115103617A (en) * | 2019-12-30 | 2022-09-23 | Lg电子株式会社 | Wireless induction heating cooker and wireless induction heating system comprising same |
-
2004
- 2004-09-14 CN CN 200420061350 patent/CN2733810Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449210C (en) * | 2006-07-18 | 2009-01-07 | 叶小舟 | Electromagnetic range capable of automatic control temperature |
| CN103807884A (en) * | 2012-11-06 | 2014-05-21 | 深圳拓邦股份有限公司 | Induction-heating cooker |
| CN103807884B (en) * | 2012-11-06 | 2017-08-25 | 深圳拓邦股份有限公司 | Induction heating cooking instrument |
| CN106136842A (en) * | 2015-04-03 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | It is provided with the cooking furnace of wireless temperature measuring device, control method and system |
| CN115103617A (en) * | 2019-12-30 | 2022-09-23 | Lg电子株式会社 | Wireless induction heating cooker and wireless induction heating system comprising same |
| CN115103617B (en) * | 2019-12-30 | 2024-01-26 | Lg电子株式会社 | Wireless induction heating cooker and wireless induction heating system comprising same |
| CN112087831A (en) * | 2020-08-14 | 2020-12-15 | 中山市合硕高品电器有限公司 | Device and method for identifying deviation of cookware and range of induction area capable of being displayed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Nanshan District, Guangdong high tech Industrial Park, Tsinghua University,, B District, building 4 Patentee after: Shenzhen Topband Co., Ltd. Address before: 4, B building, Shenzhen District, Gao Xin Village, Nanshan District, Guangdong 518057, China Patentee before: Tuobang Electronic Science and Technology Co., Ltd., Shenzhen City |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140914 Granted publication date: 20051012 |