CN212009400U - Adjustable temperature controller intelligent system based on ambient temperature - Google Patents
Adjustable temperature controller intelligent system based on ambient temperature Download PDFInfo
- Publication number
- CN212009400U CN212009400U CN202020591823.7U CN202020591823U CN212009400U CN 212009400 U CN212009400 U CN 212009400U CN 202020591823 U CN202020591823 U CN 202020591823U CN 212009400 U CN212009400 U CN 212009400U
- Authority
- CN
- China
- Prior art keywords
- temperature
- fixed contact
- piece
- sheet
- bimetallic
- 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.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 17
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 10
- 235000009566 rice Nutrition 0.000 claims abstract description 10
- 241000209094 Oryza Species 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model provides an environment temperature-based adjustable temperature controller intelligent system, which comprises a micro control circuit based on a single chip microcomputer as a core chip, an A/D converter, a kick type temperature controller based on two bimetallic strips and a temperature acquisition circuit based on a thermistor as a main sensor; the kick type temperature controller comprises an elastic sheet, a first insulating piece, a second insulating piece, a third insulating piece, a first fixed contact piece, a second fixed contact piece, a third fixed contact piece, a first bimetallic strip, a second bimetallic strip, insulating ceramic rice and a ceramic piece. The utility model discloses a singlechip high accuracy intelligence temperature control system design constitutes temperature acquisition system by 16 single chip microcomputers and 32 AD converters mutually. By adopting digital PID control, the temperature control precision can be kept within +/-0.5 ℃, and the continuous adjustment of the temperature set value can be realized.
Description
Technical Field
The utility model belongs to the technical field of the temperature controller, especially, relate to an adjustable temperature controller intelligent system based on ambient temperature.
Background
Since the 21 st century, the market of household appliances in China is developed vigorously, the industrial scale is continuously enlarged, the market demand of temperature controllers in China is rapidly increased, and the scale of the industry of the temperature controllers is driven to be continuously enlarged. With the continuous progress of the internet, communication, cloud computing, internet of things and other technologies in China, the speed of combining the manufacturing industry and the information technology in China is increased, the precision requirement of the temperature controller in the fields of smart homes, smart power grids, smart cities, rail transit and the like is continuously improved, and the precision temperature controller becomes an important power for promoting the growth of the temperature controller industry in China.
The temperature controllers which are common in the current market basically have the following types: a kick type temperature controller, a liquid expansion type temperature controller, a pressure type temperature controller, an electronic type temperature controller and a digital type temperature controller. Wherein the bimetallic strip is most commonly used as the kick type temperature controller of the heat sensitive reaction component. However, the product with the structure is out of work after the use of the product exceeds the design life, if the contact is not disconnected after copper leakage, the temperature drift of the bimetallic strip exceeds the initial range, the bimetallic strip is not deformed and the circuit is not controlled to be cut off, the controlled circuit is always heated, and great potential safety hazards exist, so that the bimetallic strip temperature controller with the traditional structure usually needs to additionally use a chemical fuse, and the production cost is high.
SUMMERY OF THE UTILITY MODEL
Current situation to above-mentioned prior art, the utility model provides an adjustable temperature controller intelligent system based on ambient temperature to solve the above-mentioned defect that exists among the prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an adjustable temperature controller intelligent system based on ambient temperature comprises a micro control circuit based on a single chip microcomputer as a core chip, an A/D converter, a kick type temperature controller based on two bimetallic strips and a temperature acquisition circuit based on a thermistor as a main sensor; the kick type temperature controller comprises an elastic sheet, an insulating piece I, an insulating piece II, an insulating piece III, a fixed contact piece I, a fixed contact piece II, a fixed contact piece III, a bimetallic piece I, a bimetallic piece II, insulating ceramic rice and a ceramic piece; at normal temperature, a contact below the left end of the elastic sheet is in contact with a contact above the right end of the first fixed contact sheet, a contact below the right end of the second fixed contact sheet is in contact with a contact above the right end of the third fixed contact sheet, a ceramic part on the right of the third fixed contact sheet is in contact with the second bimetallic sheet, and the first bimetallic sheet is connected with the elastic sheet through insulating ceramic rice; under the normal working state, the current is switched on, the current flows through the elastic sheet, the first fixed contact sheet, the metal pad, the second fixed contact sheet and the first fixed contact sheet and flows through the electric heating wire, and the electric heating wire heats and transfers heat to the first bimetallic sheet at the bottom of the temperature controller; when the temperature rises to a set temperature, the first bimetallic strip is heated and bent downwards, so that the position of the insulating porcelain rice is changed, and the contact at the left end of the elastic sheet is disconnected with the contact at the right end of the first fixed contact piece; at this time, the temperature of the adjustable temperature controller is not increased any more, the heat is reduced along with the time to cause the temperature to be reduced, and the deformation of the first bimetallic strip is gradually recovered to the initial state along with the temperature change.
Preferably, the single chip microcomputer adopts a 16-bit embedded single chip microcomputer.
Preferably, the A/D converter adopts an integrated 32-bit A/D converter.
Preferably, the input end of the micro control circuit is provided with a piezoresistor, a thermistor and a self-recovery fuse for circuit protection.
Preferably, the micro-control circuit adopts a single-sided PCB circuit board.
Has the advantages that:
1. the utility model discloses a singlechip high accuracy intelligence temperature control system design constitutes temperature acquisition system by 16 single chip microcomputers and 32 AD converters mutually. By adopting digital PID control, the temperature control precision can be kept within +/-0.5 ℃, and the continuous adjustment of the temperature set value can be realized.
2. The utility model discloses another bimetallic strip has been increased on the basis of original temperature controller for two bimetallic strips simultaneous workings, under the normal condition, reach the settlement temperature, under the condition that original bimetallic strip does not have the disconnection, the temperature continues to rise by a certain margin, the utility model discloses two bimetallic strips of well new increase break off immediately, have ensured the safety of product, have greatly improved electrical equipment's security, have ensured user's use and have experienced.
3. The utility model discloses according to the actual demand, adopt low cost's integrated 32 AD converters of embedded singlechip to constitute based on thermistor is the temperature acquisition system of main sensor when guaranteeing system stability and reliability, perfect realization is to the measuring range requirement and the required precision of temperature.
Drawings
FIG. 1 is a schematic view of a snap-action thermostat according to the present invention;
FIG. 2 is a schematic diagram of the hardware design of the present invention;
FIG. 3 is a schematic diagram of the software design of the present invention;
reference numerals: the elastic sheet comprises an elastic sheet 1, a first insulating piece 2, a second insulating piece 3, a third insulating piece 4, a first fixed contact piece 5, a second fixed contact piece 6, a third fixed contact piece 7, a first bimetallic strip 8, a second bimetallic strip 9, an insulating ceramic rice 10 and a ceramic piece 11.
Detailed Description
In order to further understand and appreciate the structural features and advantages of the present invention, preferred embodiments and the accompanying drawings are described in detail as follows:
an intelligent system of an adjustable temperature controller based on ambient temperature is shown in figures 1-3 and comprises a micro control circuit based on a single chip microcomputer as a core chip, an A/D converter, a kick type temperature controller based on two bimetallic strips and a temperature acquisition circuit based on a thermistor as a main sensor;
the kick type temperature controller comprises an elastic sheet 1, a first insulating piece 2, a second insulating piece 3, a third insulating piece 4, a first fixed contact piece 5, a second fixed contact piece 6, a third fixed contact piece 7, a first bimetallic strip 8, a second bimetallic strip 9, insulating ceramic rice 10 and a ceramic piece 11;
specifically, at normal temperature, a contact below the left end of the elastic sheet 1 is in contact with a contact above the right end of the first fixed contact 5, a contact below the right end of the second fixed contact 6 is in contact with a contact above the right end of the third fixed contact 7, a ceramic part 11 on the right side of the third fixed contact 7 is in contact with the second bimetallic sheet 9, and the first bimetallic sheet 8 is connected with the elastic sheet 1 through an insulating ceramic meter 10. Under normal operating condition, the electric current switch-on, the electric current passes through shell fragment 1, fixed contact one 5, metal pad, fixed contact two 6 and fixed contact, flows through the heating wire, and the heating wire generates heat and gives the bimetallic strip one 8 of temperature controller bottom with heat transfer. As the temperature rises to the set temperature, the first bimetallic strip 8 is heated and bent downwards, so that the position of the insulating porcelain rice is changed, and the contact at the left end of the elastic sheet 1 is disconnected with the contact at the right end of the first fixed contact 5. At the moment, the temperature of the adjustable temperature controller is not increased any more, the heat is reduced along with the time to cause the temperature to be reduced, and the deformation of the first bimetallic strip 8 is gradually recovered to the initial state along with the temperature change; further, in a normal working state, the second bimetallic strip 9 is always kept in an initial state and does not deform. When the adjustable temperature controller is used for a long time, the elasticity of the first bimetallic strip 8 changes, and particularly under the extreme temperature condition, such as the environment of forty degrees below zero in northern Europe, even if the temperature is increased to the set temperature, the first bimetallic strip 8 still keeps the initial state and does not deform. When the temperature rises to be higher than a set temperature threshold (the temperature can be set according to actual needs), the second bimetallic strip 9 is heated and bends downwards, the ceramic piece 11 is disconnected from the bimetallic strip, and the contact above the right end of the third fixed contact piece 7 is separated from the contact below the right end of the second fixed contact piece 6. Further, when the temperature is in an extreme temperature condition, the traditional bimetallic strip temperature controller has a non-negligible potential safety hazard. The utility model discloses a set for two bimetallic strips, ensured the safety of product, greatly improved electrical equipment's security, ensured user's use and experienced.
Further, in this embodiment, the single chip microcomputer is a 16-bit embedded single chip microcomputer.
To explain further, the a/D converter in this embodiment adopts an integrated 32-bit a/D converter.
Further, in this embodiment, the micro control circuit is a single-sided PCB.
Specifically, the singlechip is embedded into the singlechip, so that the design difficulty of a peripheral circuit of the singlechip and the complexity of the circuit are reduced, the production cost is reduced, and the working reliability of the system is improved. Because the system has simple functions, an embedded single-chip microprocessor is adopted, and because the A/D is integrated in the chip and only 20 port lines are adopted, all hardware functions can be realized by adopting a single-sided PCB circuit board. The temperature sensor can realize the functions by adopting a cheap thermistor according to the requirements on the measurement range and the precision of the temperature.
Further, in this embodiment, the input terminal of the micro-control circuit is provided with a voltage dependent resistor, a thermistor, and a self-recovery fuse for circuit protection.
Further, in the system of this embodiment, a digital PID control algorithm is used, Simulink in MATLAB is used to simulate the parameter optimization process, and the digital PID control is used to achieve a temperature control accuracy of ± 0.5 ℃ and to achieve continuous adjustment of the temperature setting value. Further, a nonlinear parameter scale conversion method is adopted for data collected by the temperature collection circuit, a table look-up method is adopted in program design to carry out nonlinear parameter scale conversion, and a corresponding nonlinear characteristic compensation table is set according to actual operation conditions in program compiling. Further, the whole program is run from a switching value state according to the requirements of the system. When the system is in an off state, the system program is in a standby state, the power indicator light LED is on for a long time, the temperature detection, display and control part of the program does not run, and the rest of the program does not have any output; when the LED lamp is in an on state, the LED of the power indicator lamp is turned off, the system program starts to run, all input and output run, and all normal work is normally performed through real-time detection, temperature display and automatic control.
Further explain, the utility model discloses a singlechip high accuracy intelligence temperature control system design constitutes temperature acquisition system by 16 singlechips and 32 AD converters phase combination. By adopting digital PID control, the temperature control precision can be kept within +/-0.5 ℃, and the continuous adjustment of the temperature set value can be realized; the utility model discloses increased another bimetallic strip on the basis of original temperature controller for two bimetallic strips work simultaneously, under normal condition, reach the settlement temperature, under the condition that original bimetallic strip does not break off, the temperature continues to rise certain range, the utility model discloses in newly-increased bimetallic strip two 9 break off immediately, ensured the safety of product, greatly improved electrical equipment's security, ensured user's use experience; the utility model discloses according to the actual demand, adopt low cost's integrated 32 AD converters of embedded singlechip to constitute based on thermistor is the temperature acquisition system of main sensor when guaranteeing system stability and reliability, perfect realization is to the measuring range requirement and the required precision of temperature.
It is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. And the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides an adjustable temperature controller intelligent system based on ambient temperature which characterized in that: the temperature sensor comprises a micro control circuit based on a single chip microcomputer as a core chip, an A/D converter, a kick type temperature controller based on two bimetallic strips and a temperature acquisition circuit based on a thermistor as a main sensor;
the kick type temperature controller comprises an elastic sheet, an insulating piece I, an insulating piece II, an insulating piece III, a fixed contact piece I, a fixed contact piece II, a fixed contact piece III, a bimetallic piece I, a bimetallic piece II, insulating ceramic rice and a ceramic piece; at normal temperature, a contact below the left end of the elastic sheet is in contact with a contact above the right end of the first fixed contact sheet, a contact below the right end of the second fixed contact sheet is in contact with a contact above the right end of the third fixed contact sheet, a ceramic part on the right of the third fixed contact sheet is in contact with the second bimetallic sheet, and the first bimetallic sheet is connected with the elastic sheet through insulating ceramic rice; under the normal working state, the current is switched on, the current flows through the elastic sheet, the first fixed contact sheet, the metal pad, the second fixed contact sheet and the first fixed contact sheet and flows through the electric heating wire, and the electric heating wire heats and transfers heat to the first bimetallic sheet at the bottom of the temperature controller; when the temperature rises to a set temperature, the first bimetallic strip is heated and bent downwards, so that the position of the insulating porcelain rice is changed, and the contact at the left end of the elastic sheet is disconnected with the contact at the right end of the first fixed contact piece; at this time, the temperature of the adjustable temperature controller is not increased any more, the heat is reduced along with the time to cause the temperature to be reduced, and the deformation of the first bimetallic strip is gradually recovered to the initial state along with the temperature change.
2. The ambient temperature based adjustable thermostat intelligence system of claim 1, wherein: the single chip microcomputer adopts a 16-bit embedded single chip microcomputer.
3. The ambient temperature based adjustable thermostat intelligence system of claim 1, wherein: the A/D converter employs an integrated 32-bit A/D converter.
4. The ambient temperature based adjustable thermostat intelligence system of claim 1, wherein: and the input end of the micro control circuit is provided with a piezoresistor, a thermistor and a self-recovery fuse for circuit protection.
5. The ambient temperature based adjustable thermostat intelligence system of claim 1, wherein: the micro-control circuit adopts a single-sided PCB circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591823.7U CN212009400U (en) | 2020-04-20 | 2020-04-20 | Adjustable temperature controller intelligent system based on ambient temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591823.7U CN212009400U (en) | 2020-04-20 | 2020-04-20 | Adjustable temperature controller intelligent system based on ambient temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212009400U true CN212009400U (en) | 2020-11-24 |
Family
ID=73415810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020591823.7U Expired - Fee Related CN212009400U (en) | 2020-04-20 | 2020-04-20 | Adjustable temperature controller intelligent system based on ambient temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212009400U (en) |
-
2020
- 2020-04-20 CN CN202020591823.7U patent/CN212009400U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101763125B (en) | Electric heating cable running control method | |
| CN202135341U (en) | Electrothermal controller safety circuit | |
| CN212009400U (en) | Adjustable temperature controller intelligent system based on ambient temperature | |
| CN111522375A (en) | Adjustable temperature controller intelligent system based on ambient temperature | |
| CN202757697U (en) | Online monitoring device for temperature of contact arms of high-voltage circuit breaker of 10kV high-current switch cabinet | |
| CN2777614Y (en) | Intelligent temp controller | |
| CN111442855A (en) | Temperature detection device, power module and temperature detection method thereof | |
| CN203338173U (en) | Welding machine protection circuit based on thermistor | |
| CN201364508Y (en) | Zero-voltage trigger electronic thermostat | |
| CN106409605B (en) | Adjustable temperature controller | |
| CN200965641Y (en) | AC temperature control circuit | |
| CN202033308U (en) | Building material noncombustibility test control system | |
| CN203164797U (en) | Temperature controller used for electric barbecue oven | |
| CN105377090B (en) | rice cooker | |
| CN207570145U (en) | A kind of artificial intelligent type boiler of organic heat carrier | |
| CN200986671Y (en) | Electronic temperature controller for transforming plant | |
| CN206283498U (en) | Wireless converter | |
| CN212112253U (en) | Force calculating board protector | |
| CN204719565U (en) | A kind of temperature control circuit for temp. controlling box | |
| CN208286848U (en) | Isolation circuit and cooking apparatus | |
| CN203942459U (en) | The power supply unit with monitoring temperature | |
| CN203708505U (en) | Control circuit of hair straightener or hair curler | |
| CN218037750U (en) | Electric heating cooker control circuit using relay to simulate output of silicon controlled rectifier | |
| CN203981750U (en) | Pointer-type safety current table | |
| CN211087026U (en) | Temperature control system of temperature sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 |