CN113238596A - Control system for intelligently sensing sleep temperature and adjusting sleep temperature - Google Patents
Control system for intelligently sensing sleep temperature and adjusting sleep temperature Download PDFInfo
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- CN113238596A CN113238596A CN202110667038.4A CN202110667038A CN113238596A CN 113238596 A CN113238596 A CN 113238596A CN 202110667038 A CN202110667038 A CN 202110667038A CN 113238596 A CN113238596 A CN 113238596A
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- temperature
- sleep
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- control system
- control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Abstract
The invention discloses a control system for intelligently sensing sleep temperature and adjusting sleep temperature, which comprises a temperature controller, a temperature measuring element winding, a display, a fan, a controller (control algorithm), a D/A converter, a controlled object unit, an A/D or V/F converter, a temperature transmitter, a temperature display circuit, a single chip microcomputer ADuC841, DS18B20, an output control signal, a semiconductor heating and refrigerating sheet, a temperature control box and an integrated power amplifier, wherein the output end of the display is unidirectionally and electrically connected with the input end of the temperature measuring element winding through a thermistor temperature signal PTC, the output end of the temperature measuring element winding is unidirectionally and electrically connected with the input end of the temperature controller through a fan start-stop control signal, the temperature conversion command initiates primary temperature conversion, after the transition is complete, the result is saved in the two-byte temperature register and DS18B20 enters a low voltage zero state.
Description
Technical Field
The invention relates to the technical field of control systems, in particular to a control system for intelligently sensing sleep temperature and adjusting the sleep temperature.
Background
The quality of sleep in a fast-paced, high-stress environment living throughout the year is of no doubt for our importance. Due to work or various reasons, the sleeping time cannot be rationalized, and the problem of body health follows. In order to manage the body better, it is necessary to monitor the sleep quality of people by some scientific means, and find out the problem to be solved in time.
The working principle of the intelligent digital display temperature controller is that the temperature sensor automatically samples and immediately monitors the ambient temperature, and when the ambient temperature is higher than a control set value, the control circuit is started, so that a control return difference can be set. If the temperature is still rising, the overrun alarm function is started when the temperature rises to the set overrun alarm temperature point. When the controlled temperature cannot be effectively controlled, the equipment can be stopped to continue to operate through a trip function in order to prevent the equipment from being damaged.
Intelligent temperature sensors (also known as digital temperature sensors) were introduced in the 90 s of the 20 th century. It is the crystallization of microelectronics, computer technology and automatic test technology (ATE). At present, a plurality of intelligent temperature sensor series products are developed internationally. The intelligent temperature sensor internally comprises a temperature sensor, an A/D converter, a signal processor, a memory (or a register) and an interface circuit. Some products also have multiplexers, Central Processing Units (CPU), Random Access Memory (RAM) and Read Only Memory (ROM). The intelligent temperature sensor is characterized in that the intelligent temperature sensor can output temperature data and related temperature control quantity and is adapted to various Micro Controllers (MCU); and it realizes the test function through software on the basis of hardware, and its intelligent degree also depends on the development level of software.
Disclosure of Invention
The present invention is directed to a control system for intelligently sensing a sleep temperature and adjusting the sleep temperature, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a control system for intelligently sensing sleep temperature and adjusting sleep temperature comprises a temperature controller, a temperature measuring element winding, a display, a fan, a controller (control algorithm), a D/A converter, a controlled object unit, an A/D or V/F converter, a temperature transmitter, a temperature display circuit, a single chip microcomputer ADuC841 and DS18B20, an output control signal, a semiconductor heating and refrigerating sheet, a temperature control box and an integrated power amplifier, wherein the temperature controller is used for outputting a control signal, displaying temperature by analog voltage, and the semiconductor heating and refrigerating sheet is used for heating and refrigerating the integrated power amplifier.
Preferably, the output end of the display is in one-way electric connection with the input end of the temperature measuring element winding, the output end of the temperature measuring element winding is in one-way electric connection with the input end of the temperature controller through the thermistor temperature signal PTC, and the output end of the temperature controller is in one-way electric connection with the input end of the fan through the fan start-stop control signal.
Preferably, the top of the temperature controller is fixedly connected with a power supply, and the bottom of the temperature controller is fixedly connected with an overtemperature alarm signal unit and an overtemperature trip signal unit.
Preferably, the DS18B20 temperature sensors are digital temperature sensors of a multi-point single-bus interface, each DS18B20 has a unique serial number 64 stored in an internal ROM, so that multi-point collection can be realized on the same temperature measurement bus, and system temperature values can be given more accurately.
Preferably, the system controller is an ADuC841 type singlechip of ADI company, the singlechip carries 12-bit ADC and two 12-bit DACs, and the system controller also has a DMA controller, provides 32-bit programmable I/O for a multiprocessor interface and I/O extension, is compatible with serial I/O ports of SPI and standard UART, and also supports onboard temperature detection, power supply inspection and the like.
Preferably, the temperature measurement range is: the temperature control requirement of the system can be met at the temperature of 17-31 ℃, the temperature measurement resolution can reach 0.0625 ℃, and the measured temperature is serially output in a 16-bit digital quantity mode of sign extension.
Preferably, the single chip microcomputer is used as a main control chip, and the sub-function module included in the whole C language main function mainly comprises: delay functions, reset functions, bit read functions, bit write functions, byte read functions, byte write functions, DAC1 digital to analog conversion, read temperature functions, and the like.
Preferably, the CCH SKIP ROM SKIPs the memory command, and the device single chip microcomputer can call all the slave devices on the bus by using the memory skipping command without calling one by sending the memory code of each slave device; 0xBE read scratch register command: the single chip microcomputer can read the content in the temporary storage register. Data transmission begins with the lowest order bit of register byte 0, through byte 9. Whenever the single chip microcomputer wants to read the data in the temporary storage register, the single chip microcomputer firstly sends a reset command and then uses a temporary storage register reading command.
Preferably, the temperature switching command: the temperature transition command initiates a temperature transition, after which the result is saved in a two-byte temperature register, and DS18B20 enters a low voltage zero state.
Compared with the prior art, the invention has the beneficial effects that:
1. this intelligence response sleep temperature and control system who adjusts sleep temperature, temperature control system based on singlechip can realize quick temperature variation control under lower consumption, through doing full power acceleration and refrigerated experiment, has obtained that the maximum heating temperature can reach 31 ℃, and the maximum refrigeration temperature can reach about 15 ℃. The temperature difference range of the system is controlled to be about 45 ℃, and the temperature fluctuation after stabilization is within +/-0.1 ℃.
2. According to the control system for intelligently sensing the sleep temperature and adjusting the sleep temperature, the semiconductor heating and refrigerating sheet is used as a heating and refrigerating execution element, the DS18B20 temperature sensor feeds back a temperature signal, the single chip microcomputer is used as a control unit, and an incremental PID control algorithm is used for replacing common PID control, so that an economic, effective and stable temperature control scheme is realized.
3. According to the control system for intelligently sensing the sleep temperature and adjusting the sleep temperature, the DS18B20 temperature sensor is a digital temperature sensor with a multi-point single bus interface, and each DS18B20 has a unique one 64 stored in an internal ROM as a serial number, so that multi-point acquisition can be realized on the same temperature measurement bus, and the system temperature value can be given more accurately.
4. The system controller selects an ADuC841 type singlechip of ADI company, the singlechip carries 12-bit ADC and two 12-bit DACs, and has a DMA controller, 32-bit programmable I/O is provided for multiprocessor interfaces and I/O expansion, and the control system is compatible with serial I/O ports of SPI and standard UART, supports onboard temperature detection, power supply inspection and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a connection structure of the controller according to the present invention;
FIG. 3 is a schematic diagram of a system configuration of the present invention;
FIG. 4 is a schematic diagram of an algorithm instruction structure according to the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, the present invention provides a technical solution: a control system for intelligently sensing sleep temperature and adjusting sleep temperature comprises a temperature controller, a temperature measuring element winding, a display, a fan, a controller (control algorithm), a D/A converter, a controlled object unit, an A/D or V/F converter, a temperature transmitter, a temperature display circuit, a single chip microcomputer ADuC841 and DS18B20, an output control signal, a semiconductor heating and refrigerating sheet, a temperature control box and an integrated power amplifier, wherein the temperature controller is used for outputting a control signal, displaying temperature by analog voltage, and the semiconductor heating and refrigerating sheet is used for heating and refrigerating the integrated power amplifier.
The output end of the display is in one-way electric connection with the input end of the temperature measuring element winding, the output end of the temperature measuring element winding is in one-way electric connection with the input end of the temperature controller through the thermistor temperature signal PTC, and the output end of the temperature controller is in one-way electric connection with the input end of the fan through the fan start-stop control signal.
The top of the temperature controller is fixedly connected with a power supply, and the bottom of the temperature controller is fixedly connected with an overtemperature alarm signal unit and an overtemperature tripping signal unit.
The DS18B20 temperature sensor is a digital temperature sensor with a multi-point single bus interface, and each DS18B20 has a unique serial number 64 stored in an internal ROM, so that multi-point collection can be realized on the same temperature measurement bus, and system temperature values can be given more accurately.
The system controller selects an ADuC841 type singlechip of ADI company, the singlechip carries 12-bit ADC and two 12-bit DACs, and the system controller also has a DMA controller, provides 32-bit programmable I/O for a multiprocessor interface and I/O expansion, is compatible with serial I/O ports of SPI and standard UART, and also supports onboard temperature detection, power supply inspection and the like.
Wherein, the temperature measurement range is as follows: the temperature control requirement of the system can be met at the temperature of 17-31 ℃, the temperature measurement resolution can reach 0.0625 ℃, and the measured temperature is serially output in a 16-bit digital quantity mode of sign extension.
The singlechip is used as a main control chip, and a subfunction module contained in the whole C language main function mainly comprises: delay functions, reset functions, bit read functions, bit write functions, byte read functions, byte write functions, DAC1 digital to analog conversion, read temperature functions, and the like.
The CCH SKIP ROM SKIPs the memory command, and the device single chip microcomputer can call all slave devices on the bus by using the memory skipping command without calling one by sending the memory code of each slave device; 0xBE read scratch register command: the single chip microcomputer can read the content in the temporary storage register. Data transmission begins with the lowest order bit of register byte 0, through byte 9. Whenever the single chip microcomputer wants to read the data in the temporary storage register, the single chip microcomputer firstly sends a reset command and then uses a temporary storage register reading command.
Wherein the temperature transition command: the temperature transition command initiates a temperature transition, after which the result is saved in a two-byte temperature register, and DS18B20 enters a low voltage zero state.
The working principle is as follows: the semiconductor heating and refrigerating piece is used as an execution component for temperature control, the temperature sensor DS18B20 detects the temperature and provides a feedback signal, an incremental PID control algorithm is realized on a controller single chip microcomputer, and sub-function modules contained in the whole C language main function mainly comprise: delay function, reset function, bit read function, bit write function, byte read function, byte write function, DAC1 digital-to-analog conversion, read temperature function, etc.; CCH SKIP ROM SKIPs the memory command, the device singlechip can call all slave devices on the bus by using the memory skipping command without calling one by sending the memory code of each slave device; 0xBE read scratch register command: the single chip microcomputer can read the content in the temporary storage register. Data transmission begins with the lowest order bit of register byte 0, through byte 9. Whenever the single chip microcomputer wants to read data in the temporary storage register, a reset command is sent first, then the temporary storage register reading command is used, the temperature measurement range can meet the temperature control requirement of the system at 17-31 ℃, the temperature measurement resolution can reach 0.0625 ℃, the measured temperature is serially output in a 16-bit digital quantity mode of sign extension, the ambient temperature is automatically sampled and monitored in real time through the temperature sensor, and when the ambient temperature is higher than a control set value, the control circuit is started, and the control return difference can be set. If the temperature is still rising, the overrun alarm function is started when the temperature rises to the set overrun alarm temperature point. When the controlled temperature cannot be effectively controlled, the equipment can be stopped to continue to operate through a trip function in order to prevent the equipment from being damaged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A control system for intelligently sensing sleep temperature and adjusting sleep temperature comprises a temperature controller, a temperature measuring element winding, a display, a fan, a controller (control algorithm), a D/A converter, a controlled object unit, an A/D or V/F converter, a temperature transmitter, a temperature display circuit, a single chip microcomputer ADuC841 and DS18B20, an output control signal, a semiconductor heating and refrigerating sheet, a temperature control box and an integrated power amplifier, wherein the temperature controller is used for outputting a control signal, displaying temperature by analog voltage, and the semiconductor heating and refrigerating sheet is used for heating and refrigerating the integrated power amplifier.
2. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the output end of the display is in one-way electric connection with the input end of the temperature measuring element winding, the output end of the temperature measuring element winding is in one-way electric connection with the input end of the temperature controller through the thermistor temperature signal PTC, and the output end of the temperature controller is in one-way electric connection with the input end of the fan through the fan start-stop control signal.
3. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the top fixedly connected with power of temperature controller, the bottom fixedly connected with excess temperature alarm signal unit and excess temperature trip signal unit of temperature controller.
4. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the DS18B20 temperature sensor is a digital temperature sensor with a multi-point single bus interface, and each DS18B20 has a unique serial number 64 stored in an internal ROM, so that multi-point collection can be realized on the same temperature measurement bus, and system temperature values can be given more accurately.
5. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the system controller selects an ADuC841 type singlechip of ADI company, the singlechip carries 12-bit ADC and two 12-bit DACs, and simultaneously has a DMA controller, 32-bit programmable I/O provided for multiprocessor interfaces and I/O expansion, serial I/O ports compatible with SPI and standard UART, and on-board temperature detection, power supply inspection and the like.
6. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the temperature measurement range is as follows: the temperature control requirement of the system can be met at the temperature of 17-31 ℃, the temperature measurement resolution can reach 0.0625 ℃, and the measured temperature is serially output in a 16-bit digital quantity mode of sign extension.
7. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the single chip microcomputer serves as a main control chip, and sub-function modules contained in the whole C language main function mainly comprise: delay functions, reset functions, bit read functions, bit write functions, byte read functions, byte write functions, DAC1 digital to analog conversion, read temperature functions, and the like.
8. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the CCH SKIP ROM SKIPs the memory command, and the device single chip microcomputer can call all the slave devices on the bus by using the memory skipping command without calling one by sending the memory code of each slave device; 0xBE read scratch register command: the single chip microcomputer can read the content in the temporary storage register. Data transmission begins with the lowest order bit of register byte 0, through byte 9. Whenever the single chip microcomputer wants to read the data in the temporary storage register, the single chip microcomputer firstly sends a reset command and then uses a temporary storage register reading command.
9. The control system for intelligently sensing sleep temperature and adjusting sleep temperature as claimed in claim 1, wherein: the temperature transition command: the temperature transition command initiates a temperature transition, after which the result is saved in a two-byte temperature register, and DS18B20 enters a low voltage zero state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667038.4A CN113238596A (en) | 2021-06-16 | 2021-06-16 | Control system for intelligently sensing sleep temperature and adjusting sleep temperature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110667038.4A CN113238596A (en) | 2021-06-16 | 2021-06-16 | Control system for intelligently sensing sleep temperature and adjusting sleep temperature |
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| CN113238596A true CN113238596A (en) | 2021-08-10 |
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| CN202110667038.4A Withdrawn CN113238596A (en) | 2021-06-16 | 2021-06-16 | Control system for intelligently sensing sleep temperature and adjusting sleep temperature |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729892A (en) * | 2005-08-24 | 2006-02-08 | 王宝根 | Air-conditioning bed |
| CN201229508Y (en) * | 2008-05-20 | 2009-04-29 | 陶子中 | Frequency conversion temperature control circuit for cooling and warming mattress |
| CN101739045A (en) * | 2008-11-27 | 2010-06-16 | 张丽丽 | Small temperature control system |
| CN103777658A (en) * | 2012-10-25 | 2014-05-07 | 陈建州 | Temperature control device module of electric blanket |
-
2021
- 2021-06-16 CN CN202110667038.4A patent/CN113238596A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729892A (en) * | 2005-08-24 | 2006-02-08 | 王宝根 | Air-conditioning bed |
| CN201229508Y (en) * | 2008-05-20 | 2009-04-29 | 陶子中 | Frequency conversion temperature control circuit for cooling and warming mattress |
| CN101739045A (en) * | 2008-11-27 | 2010-06-16 | 张丽丽 | Small temperature control system |
| CN103777658A (en) * | 2012-10-25 | 2014-05-07 | 陈建州 | Temperature control device module of electric blanket |
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Application publication date: 20210810 |