CN105627620A - Wide-temperature control system based on semiconductor refrigeration sheet and method thereof - Google Patents
Wide-temperature control system based on semiconductor refrigeration sheet and method thereof Download PDFInfo
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- CN105627620A CN105627620A CN201410584577.1A CN201410584577A CN105627620A CN 105627620 A CN105627620 A CN 105627620A CN 201410584577 A CN201410584577 A CN 201410584577A CN 105627620 A CN105627620 A CN 105627620A
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Abstract
The invention discloses a wide-temperature control system based on a semiconductor refrigeration sheet and a control method thereof. The wide-temperature control system is characterized by accurately and quickly controlling wide temperature of the peripheral small environment of a controlled component by taking the semiconductor refrigeration sheet as a heat transfer execution mechanism and taking a single-chip microcontroller in a driving plate, so that the controlled part can stably and normally work for a long time in the extreme temperature environment. The control method of the wide-temperature control system based on the semiconductor refrigeration sheet has the characteristics of low power consumption of temperature control, light weight, small size, long service life, noise-free operation, environmental protection and no pollution, has a great application value, and is worth to be popularized.
Description
Technical field
The present invention relates to domain of control temperature, be specifically related to wide temperature control system and the method for a kind of based semiconductor refrigerating sheet.
Background technology
Temperature controls, and is one of requirement general and important in commercial production and scientific experiments process. Traditional temperature controls, and is essentially all employing compressor and cold-producing medium, and heat transfer is transmitted in the phase transformation relying on cold-producing medium. Temperature control system generally bulky, heavier mass based on this method, it is unfavorable for that carrying is mobile, and temperature control precision is low, temperature controlling range is relatively limited, simultaneously, the leakage of cold-producing medium also very easily causes the pollution of environment, increases the weight of the cavity of ozone layer, does not meet the scientific idea of current environmental protection.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides the wide temperature control system of a kind of based semiconductor refrigerating sheet, temperature flexible adjustment, controlled parts can under severe temperature environment, long-time stable normal operation, and the temperature-controlled process of this system has power consumptive province, lightweight, volume is little, life-span length, the work feature such as noiselessness and green non-pollution, is worthy to be popularized.
For solve the problems referred to above, the present invention specifically by the following technical solutions:
A kind of wide temperature control system of based semiconductor refrigerating sheet, it is characterized in that, including power module, control to drive plate, host computer, temperature sensor, semiconductor chilling plate and controlled parts, described control drives plate to be connected with power module, host computer, temperature sensor and semiconductor chilling plate simultaneously, and described temperature sensor, semiconductor chilling plate are close to the surface of controlled parts.
The wide temperature control system of aforesaid a kind of based semiconductor refrigerating sheet, it is characterized in that, described control drives plate to include single-chip microcomputer, temperature sampling circuit, serial communication circuit, voltage-multiplying circuit, bi-directional drive bridge circuit and external interface circuit, control to drive plate to be electrically connected with outside cabinet by external interface circuit, the temperature value of the controlled parts surface recorded by temperature sampling circuit collecting temperature sensor, and the analogue signal of temperature value is passed to single-chip microcomputer, single-chip microcomputer carries out by serial communication circuit, digital temperature value being sent to host computer after A/D converts digital temperature value to, single-chip microcomputer controls the break-make of bi-directional drive bridge circuit according to the temperature value of temperature sampling circuit collection, voltage-multiplying circuit provides high level signal for bi-directional drive bridge circuit.
The wide temperature control system of aforesaid a kind of based semiconductor refrigerating sheet, it is characterised in that described control drives plate by RS232 serial ports and host computer communication.
The wide temperature control system of aforesaid a kind of based semiconductor refrigerating sheet, it is characterised in that described control drives plate to be provided+5V ,+15V and three kinds of voltages of+27V by power module.
The control method of the wide temperature control system of aforesaid a kind of based semiconductor refrigerating sheet, it is characterised in that comprise the following steps:
Step 1), power-on module, provide electric power support for whole wide temperature control system, and Initialize installation controls to drive the single-chip microcomputer in plate;
Step 2), the setting value of controlled component working temperature is preset by host computer;
Step 3), the temperature value of ADC collecting temperature sensor passes on single-chip microcomputer;
Step 4), according to the temperature value collected in step 3), calls fuzzy operation engine, and the deviator difference according to being obtained by fuzzy operation calculates output;
Step 5), controls metal-oxide-semiconductor make-and-break time in bi-directional drive bridge circuit according to calculated output in step 4), adjusts semiconductor refrigeration sheet current trend, reaches refrigeration or the purpose of heating;
Step 6), repeats step 3)--step 5), makes temperature value be equilibrated at setting value.
The wide temperature control method of aforesaid a kind of based semiconductor refrigerating sheet, it is characterized in that, in described step 5), if according to output ratio step 2 calculated in step 4)) in setting value high, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to freeze; If according to output ratio step 2 calculated in step 4)) in setting value low, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to be heated.
Beneficial effects of the present invention: the wide temperature control system of a kind of based semiconductor refrigerating sheet provided by the invention, with the actuator that semiconductor refrigeration sheet shifts for heat, drive the single-chip microcomputer in plate for controlling organization controlling, controlled member perimeter subenvironment is realized precisely quickly wide temperature control, enable controlled parts under severe temperature environment, long-time stable normal operation. The control method of the wide temperature control system of this based semiconductor refrigerating sheet has temperature control power consumptive province, lightweight, volume is little, life-span length, the work feature such as noiselessness and green non-pollution, has bigger using value, is worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the wide temperature control system of the based semiconductor refrigerating sheet of the present invention;
Fig. 2 is temperature sampling circuit figure;
Fig. 3 is serial communication circuit figure;
Fig. 4 is bi-directional drive bridge circuit figure;
Fig. 5 is external interface circuit figure;
Fig. 6 is voltage-multiplying circuit figure;
Fig. 7 is the flow chart of the control method of the wide temperature control system of based semiconductor refrigerating sheet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of wide temperature control system of based semiconductor refrigerating sheet, including power module, control to drive plate, host computer, temperature sensor, semiconductor chilling plate and controlled parts, described control drives plate to be connected with power module, host computer, temperature sensor and semiconductor chilling plate simultaneously, and described temperature sensor, semiconductor chilling plate are close to the surface of controlled parts. Controlling to drive plate as the core of whole system, the temperature acquisition being responsible for the temperature sensor of each road processes, and the serial communication of host computer, and the driving and break-make to semiconductor refrigeration sheet controls. Power module is mainly given and is controlled to drive plate to power, employing Switching Power Supply provides required+5V respectively, + 15V, three kinds of voltages of+27V, described control drives plate by RS232 serial ports and host computer communication, temperature value needed for controlled parts can be set by host computer, it is also possible to real-time monitored current temperature value, consult the historical variations of temperature; Semiconductor refrigeration sheet, temperature sensor are powered by controlling driving plate, and need to be close to controlled parts, in order to collect temperature accurately, obtain good temperature control effect.
As shown in Fig. 2-Fig. 6, described control drives plate to include single-chip microcomputer, temperature sampling circuit, serial communication circuit, voltage-multiplying circuit, bi-directional drive bridge circuit and external interface circuit, control to drive plate to be electrically connected with outside cabinet by external interface circuit, the temperature value of the controlled parts surface recorded by temperature sampling circuit collecting temperature sensor, and the analogue signal of temperature value is passed to single-chip microcomputer, single-chip microcomputer carries out by serial communication circuit, digital temperature value being sent to host computer after A/D converts digital temperature value to, single-chip microcomputer controls the break-make of bi-directional drive bridge circuit according to the temperature value of temperature sampling circuit collection, voltage-multiplying circuit provides high level signal for bi-directional drive bridge circuit.
As it is shown in fig. 7, the control method of the wide temperature control system of a kind of based semiconductor refrigerating sheet, comprise the following steps:
Step 1), power-on module, provide electric power support for whole wide temperature control system, and Initialize installation controls to drive the single-chip microcomputer in plate;
Step 2), the setting value of controlled component working temperature is preset by host computer;
Step 3), the temperature value of ADC collecting temperature sensor passes on single-chip microcomputer;
Step 4), according to the temperature value collected in step 3), calls fuzzy operation engine, and the deviator difference according to being obtained by fuzzy operation calculates output;
Step 5), controls metal-oxide-semiconductor make-and-break time in bi-directional drive bridge circuit according to calculated output in step 4), adjusts semiconductor refrigeration sheet current trend, reaches refrigeration or the purpose of heating, thus equilibrium temperature value; If according to output ratio step 2 calculated in step 4)) in setting value high, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to freeze; If according to output ratio step 2 calculated in step 4)) in setting value low, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to be heated.
Step 6), repeats step 3)--step 5), makes temperature value be equilibrated at setting value.
In certain engineering project, it is bigger that one block signal processes A/D chip and fpga chip caloric value on plate, temperature is too low or too high, capital affects signal output quality, for its wide temperature control system designing a set of based semiconductor refrigerating sheet, make controlled chip (A/D chip and fpga chip) peripheral temperature stable within ideal range.
In the wide temperature control system of based semiconductor refrigerating sheet, semiconductor refrigeration sheet selects TEC1-12706 series, and select suitable specification according to controlled die size, thin-film thermistor (accurate) NTC103-10K is selected in the temperature sensor of collecting temperature, this temperature sensor has small and exquisite flat feature, it is easy to be fitted in the surface of controlled chip.
In the wide temperature control system of whole based semiconductor refrigerating sheet, the installation of semiconductor refrigeration sheet is particularly important, controlled chip must be close to, even uniform, and need the provision for thermal insulation carrying out chill surface and heating face, the heat simultaneously making heating face sheds timely and effectively, and concrete grammar needs professional structure designer to assist.
Power on and first carry out single-chip microcomputer initial configuration, preset the setting value of controlled component working temperature, after controlled chip operation, chip surface heat starts accumulation, wide temperature control system collects, by temperature sensor, the magnitude of voltage that controlled chip surface is corresponding with temperature, deliver to Chip Microcomputer A/D C and carry out resolving process, according to processing costs, call fuzzy operation engine start FUZZY ALGORITHMS FOR CONTROL and obtain output, metal-oxide-semiconductor make-and-break time in bi-directional drive bridge circuit is controlled according to the relation between output and setting value, adjust current trend, corresponding control instruction is sent: temperature is too high to semiconductor refrigeration sheet bi-directional drive bridge circuit, refrigeration bridge circuit is opened, semiconductor refrigeration sheet starts refrigeration, temperature is too low, heating bridge circuit is opened, semiconductor refrigeration sheet begins to warm up, thus reaching the purpose of hygral equilibrium. through actual verification, controlled member perimeter subenvironment can be realized precisely quickly wide temperature control by this design so that it is in the presence of a harsh environment, long-time stable normal operation, effect is notable, and easy to use, has good portability
The ultimate principle of the present invention, principal character and advantage have more than been shown and described. Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention. Claimed scope is defined by appending claims and equivalent thereof.
Claims (6)
1. the wide temperature control system of a based semiconductor refrigerating sheet, it is characterized in that, including power module, control to drive plate, host computer, temperature sensor, semiconductor chilling plate and controlled parts, described control drives plate to be connected with power module, host computer, temperature sensor and semiconductor chilling plate simultaneously, and described temperature sensor, semiconductor chilling plate are close to the surface of controlled parts.
2. the wide temperature control system of a kind of based semiconductor refrigerating sheet according to claim 1, it is characterized in that, described control drives plate to include single-chip microcomputer, temperature sampling circuit, serial communication circuit, voltage-multiplying circuit, bi-directional drive bridge circuit and external interface circuit, control to drive plate to be electrically connected with outside cabinet by external interface circuit, the temperature value of the controlled parts surface recorded by temperature sampling circuit collecting temperature sensor, and the analogue signal of temperature value is passed to single-chip microcomputer, single-chip microcomputer carries out by serial communication circuit, digital temperature value being sent to host computer after A/D converts digital temperature value to, single-chip microcomputer controls the break-make of bi-directional drive bridge circuit according to the temperature value of temperature sampling circuit collection, voltage-multiplying circuit provides high level signal for bi-directional drive bridge circuit.
3. the wide temperature control system of a kind of based semiconductor refrigerating sheet according to claim 2, it is characterised in that described control drives plate by RS232 serial ports and host computer communication.
4. the wide temperature control system of a kind of based semiconductor refrigerating sheet according to claim 3, it is characterised in that described control drives plate to be provided+5V ,+15V and three kinds of voltages of+27V by power module.
5. based on the control method of the wide temperature control system of a kind of based semiconductor refrigerating sheet described in any one of claim 1-4, it is characterised in that comprise the following steps:
Step 1), power-on module, provide electric power support for whole wide temperature control system, and Initialize installation controls to drive the single-chip microcomputer in plate;
Step 2), the setting value of controlled component working temperature is preset by host computer;
Step 3), the temperature value of ADC collecting temperature sensor passes on single-chip microcomputer;
Step 4), according to the temperature value collected in step 3), the deviator difference according to being obtained by fuzzy operation calculates output;
Step 5), controls metal-oxide-semiconductor make-and-break time in bi-directional drive bridge circuit according to calculated output in step 4), adjusts semiconductor refrigeration sheet current trend, reaches refrigeration or the purpose of heating;
Step 6), repeats step 3)--step 5), makes temperature value be equilibrated at setting value.
6. the wide temperature control method of a kind of based semiconductor refrigerating sheet according to claim 1, it is characterized in that, in described step 5), if according to output ratio step 2 calculated in step 4)) in setting value high, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to freeze; If according to output ratio step 2 calculated in step 4)) in setting value low, then control to drive the bi-directional drive bridge circuit in plate to drive semiconductor refrigeration sheet to be heated.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461977A (en) * | 2016-06-02 | 2017-12-12 | 中国科学院沈阳自动化研究所 | A kind of intelligent temperature control method of semiconductor refrigeration temperature control case |
| CN110026818A (en) * | 2019-05-07 | 2019-07-19 | 上海理工大学 | Electro spindle thermo-electric cooling device control system |
| CN114326851A (en) * | 2021-11-17 | 2022-04-12 | 苏州浪潮智能科技有限公司 | Edge intelligent temperature control method and system based on TEC |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679605Y (en) * | 2003-09-04 | 2005-02-16 | Aok投资有限公司 | Electronic refrigerating medical reagent freezer |
| CN2874374Y (en) * | 2006-01-27 | 2007-02-28 | 安徽省天富电子(集团）有限公司 | Multiple inductance push type semiconductor refrigerator control circuit |
| CN101423036A (en) * | 2007-11-02 | 2009-05-06 | 哈尔滨工业大学固泰电子有限责任公司 | Automobile seat temperature adjustment device and use of semiconductor refrigeration technique |
| CN201652979U (en) * | 2010-04-16 | 2010-11-24 | 深圳市普康电子有限公司 | Biochemical analyzer refrigeration system with semiconductor refrigeration chip |
| CN102721243A (en) * | 2011-03-31 | 2012-10-10 | 中国科学院西安光学精密机械研究所 | Multi-TEC temperature adjustment control system based on single chip microcomputer |
| CN202853191U (en) * | 2012-09-14 | 2013-04-03 | 山东省科学院海洋仪器仪表研究所 | Refrigeration device for adjusting temperature of working environment of logging instrument |
| CN202993650U (en) * | 2012-12-26 | 2013-06-12 | 宁波婷微电子科技有限公司 | Temperature-controlled semiconductor refrigeration device |
-
2014
- 2014-10-27 CN CN201410584577.1A patent/CN105627620A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679605Y (en) * | 2003-09-04 | 2005-02-16 | Aok投资有限公司 | Electronic refrigerating medical reagent freezer |
| CN2874374Y (en) * | 2006-01-27 | 2007-02-28 | 安徽省天富电子(集团）有限公司 | Multiple inductance push type semiconductor refrigerator control circuit |
| CN101423036A (en) * | 2007-11-02 | 2009-05-06 | 哈尔滨工业大学固泰电子有限责任公司 | Automobile seat temperature adjustment device and use of semiconductor refrigeration technique |
| CN201652979U (en) * | 2010-04-16 | 2010-11-24 | 深圳市普康电子有限公司 | Biochemical analyzer refrigeration system with semiconductor refrigeration chip |
| CN102721243A (en) * | 2011-03-31 | 2012-10-10 | 中国科学院西安光学精密机械研究所 | Multi-TEC temperature adjustment control system based on single chip microcomputer |
| CN202853191U (en) * | 2012-09-14 | 2013-04-03 | 山东省科学院海洋仪器仪表研究所 | Refrigeration device for adjusting temperature of working environment of logging instrument |
| CN202993650U (en) * | 2012-12-26 | 2013-06-12 | 宁波婷微电子科技有限公司 | Temperature-controlled semiconductor refrigeration device |
| WO2014101614A1 (en) * | 2012-12-26 | 2014-07-03 | 宁波婷微电子科技有限公司 | Temperature-controlled semiconductor refrigeration apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461977A (en) * | 2016-06-02 | 2017-12-12 | 中国科学院沈阳自动化研究所 | A kind of intelligent temperature control method of semiconductor refrigeration temperature control case |
| CN107461977B (en) * | 2016-06-02 | 2019-07-19 | 中国科学院沈阳自动化研究所 | A kind of intelligent temperature control method of semiconductor refrigeration temperature control case |
| CN110026818A (en) * | 2019-05-07 | 2019-07-19 | 上海理工大学 | Electro spindle thermo-electric cooling device control system |
| CN114326851A (en) * | 2021-11-17 | 2022-04-12 | 苏州浪潮智能科技有限公司 | Edge intelligent temperature control method and system based on TEC |
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