CN103743493A - MSP430-based low-power dissipation wireless temperature monitoring system and process - Google Patents
MSP430-based low-power dissipation wireless temperature monitoring system and process Download PDFInfo
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- CN103743493A CN103743493A CN201310730242.1A CN201310730242A CN103743493A CN 103743493 A CN103743493 A CN 103743493A CN 201310730242 A CN201310730242 A CN 201310730242A CN 103743493 A CN103743493 A CN 103743493A
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Abstract
The invention discloses an MSP430-based low-power dissipation wireless temperature monitoring system and a monitoring process. The system comprises a host computer system which includes a central processing unit, a wireless module, an upper computer, a power circuit and a keyboard circuit; and a slave computer system which includes a central processing unit, a wireless module, a sensor, a power circuit and a keyboard circuit, wherein the slave computer system transmits collected data to the host computer system through the wireless module, and the central processing unit of the host computer system transmits the data to the upper computer through a USB-to-serial port. The MSP430-based low-power dissipation wireless temperature monitoring system has a relatively simple structure and a strong anti-interference capability, is suitable for performing in situ temperature measurement in a severe environment, and can be applied to fields of warehouse temperature measurement, building air-conditioning control, production process monitoring and the like.
Description
Technical field
The present invention relates to a kind of temperature monitoring system and monitoring flow process, relate in particular to a kind of temperature monitoring system and monitoring method of using wireless-transmission network.
Background technology
The measurement of temperature and be controlled at that grain storage warehouse, intelligent building air-conditioning are controlled and other industrial and agricultural production and scientific research in be widely used.The classic method of temperature monitoring is the analog sensor using such as thermopair, thermal resistance, semiconductor PN, processes and obtains the digital signal that represents temperature value, then processed by microprocessor or DSP through signal sampling circuit, amplifying circuit and A/D convertor circuit.The non-electric analogy amount that dut temperature signal receives from sensitive element, to being converted between the accessible digital signal of microprocessor, the line link that deviser must consider is more, and in corresponding temperature measuring equipment, component number is difficult to decline, and affects reliability and the volume microminiaturization of product thereupon.Can cause thus whole detection system to have larger deviation, stability and interference free performance are all poor.Design a system architecture simple, antijamming capability is strong, and the wireless temperature monitoring system that is suitable for carrying out under rugged surroundings scene temperature measurement has realistic meaning very much.
Summary of the invention
The object of the present invention is to provide a kind of temperature monitoring system and monitoring method, make it more existing temperature monitoring system structure simpler, antijamming capability is strong, be suitable for carrying out scene temperature measurement under rugged surroundings, can be applicable to the fields such as warehouse thermometric, building air-conditioner control and production process monitoring.The present invention can monitor 48 tunnels, and shows with open arms on host computer, and design from the beginning has just considered practicality and ease for use have very much realistic meaning.
To achieve these goals, the invention provides a kind of temperature monitoring system, it comprises: main frame system
System, described host computer system comprises central processing unit, wireless module, host computer, power circuit and keyboard circuit; Slave system, described slave system comprises central processing unit, wireless module, sensor, power circuit and keyboard circuit; Wherein, described slave system transfers to described host computer system by the data of collection by wireless module, and described host computer system central processing unit turns serial port by data by USB again and transfers to described host computer.
Further, in said temperature monitoring system, described central processing unit is MSP430 single-chip microcomputer, and described single-chip microcomputer is a kind of 16 super low-power consumptions, have the mixed-signal processor of reduced instruction set computer.
Further, in said temperature monitoring system, described sensor comprises digital temperature sensor DS18B20 and photoresistance.Those skilled in the art can according to actual needs, select suitable sensor to be monitored with reading out data.
Further, in said temperature monitoring system, described wireless module comprises nRF24L01 monolithic radio frequency transceiving device, the built-in frequency synthesizer of described nRF24L01 monolithic radio frequency transceiving device, power amplifier, crystal oscillator, modulator function module, described nRF24L01 monolithic radio frequency transceiving device works in 2.4 GHz～2.5 GHz ISM band, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program.
Further, in said temperature monitoring system, described USB turns serial port circuit and adopts TUSB3410, and this chip is the bridge of USB-TO-UART port.
Further, in said temperature monitoring system, described host computer system keyboard circuit comprises interruption button.
Further, in said temperature monitoring system, described slave system keyboard circuit comprises four conventional buttons and a reset key.
In addition, according to a further aspect in the invention, provide a kind of temperature monitoring flow process of temperature monitoring system.Described temperature monitoring system, it comprises: host computer system, described host computer system comprises central processing unit, wireless module, host computer, power circuit and keyboard circuit; Slave system, described slave system comprises central processing unit, wireless module, sensor, power circuit and keyboard circuit; Wherein, described slave system transfers to described host computer system by the data of collection by wireless module, and described host computer system central processing unit turns serial port by data by USB again and transfers to described host computer.Described temperature monitoring flow process comprises slave system program and host computer system program; Wherein, described slave system program comprises, initialization host computer, initialization central processing unit and intiating radio module, described sensor readings, the data that described sensor is read are sent to described wireless module launches, and scans described keyboard circuit key value; Described host computer system program comprises, initialization USB turns serial port, intiating radio module, initialization external interrupt, described wireless module reading out data, and the legitimacy of judgement data, turns serial port by USB described data is sent to host computer.Described host computer procedure completes USB and turns the read-write of serial port data, the analysis of described data and demonstration.
Further, in said temperature monitoring flow process, described external interrupt comprises that button causes that central processing unit interrupts, and then interrupts host computer system program.
System of the present invention is simple, reliable and stable, easy to operate, can be applicable in the middle of commercial production.Use super low power consuming single chip processor to design, have lower power consumption, compare with traditional design, the design, under equal powered battery condition, will work the longer time.Use radio communication to carry out the transmission of data.This temperature monitoring system has following advantage: 1. cost is cheap.2. the construction project cycle is short.3. adaptability is good, limited by geographical environment, than wire communication, has better adaptability widely.4. favorable expandability, just can realize if need expansion only need to increase node.
Accompanying drawing explanation
Fig. 1 is the structural representation of host computer system.
Fig. 2 is the structural representation of slave system.
Fig. 3 is host keyboard circuit diagram.
Fig. 4 is slave keyboard circuit schematic diagram.
Fig. 5 is host computer system program flow diagram.
Fig. 6 is external interrupt process flow diagram.
Fig. 7 is slave system program flow diagram
Embodiment
Below in conjunction with Figure of description and concrete embodiment, come that the present invention will be further explained, but this explanation and explanation do not form the improper restriction to technical solution of the present invention.
Temperature monitoring system
As depicted in figs. 1 and 2, the invention provides a kind of temperature monitoring system, it comprises: host computer system, and host computer system comprises central processing unit 1, wireless module 2, power circuit 3, host computer 4 and keyboard circuit 51; Slave system, slave system comprises central processing unit 1, wireless module 2, power circuit 3, sensor 4, keyboard circuit 52; Wherein, slave system transfers to host computer system by the data of collection by wireless module 2, and host computer system central processing unit turns serial port by data by USB again and transfers to described host computer 4.
Central processing unit of the present invention is selected low-power consumption MSP430 single-chip microcomputer, it is the single-chip microcomputer of 16, adopt reduced instruction set computer (RISC) structure, there is 7 kinds of source operand addressing, 4 kinds of destination operand addressing, succinct 27 core instructions and a large amount of dummy instructions; In a large amount of registers and sheet, data-carrier store all can be participated in multiple computing; The processing instruction of tabling look-up efficiently in addition, these features have guaranteed to develop high efficiency source program.In addition, it also has the features such as fast operation, super low-power consumption, the interior aboundresources of sheet.Temperature sensor 41 adopts digital temperature sensor DS18B20s, the feature such as have that peripheral circuit is simple, response speed is than very fast, highly sensitive, good stability, easily install, with low cost.In addition temperature sensor 41 uses monobus lin protocol, only takies an IO mouth of MSP430 single-chip microcomputer 1.Light intensity detection circuit is the expanded function of native system.Light intensity detection circuit is used a photoresistance 42 as sensor, and the power of light can make its resistance change, thereby the voltage of node is changed, and node has been received converter, thereby realizes the detection of intensity of illumination.Wireless module 2 carries out the transmission of data, adopts new single chip radio-frequency receiving-transmitting device, works in 2.4 GHz～2.5 GHz ISM band.The functional modules such as built-in frequency synthesizer, power amplifier, crystal oscillator, modulator, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program.USB turns the bridge that serial port comprises USB-TO-UART port.
As Fig. 3, host computer system keyboard circuit 51 is used the mode of interrupting, and each button is used the interrupted IO mouth of a MSP430 single-chip microcomputer, has altogether used 4 buttons 511,512,513,514.Owing to having used interruption button, make writing of calling program more smooth, the structure of program is more clear.
As Fig. 4, slave system keyboard circuit 52 is provided with 5 buttons altogether, wherein has 522,523,524,525, one reset keys 521 of 4 conventional buttons.Use stand-alone keypad, make programming very simple.
A kind of temperature monitoring system provided by the invention, the feature such as have that peripheral circuit is simple, response speed is than very fast, highly sensitive, good stability, easily install, with low cost.
Temperature monitoring flow process
Below in conjunction with Fig. 5, Fig. 6 and Fig. 7, temperature monitoring flow process of the present invention is discussed.
The monitoring method that the invention provides a kind of temperature monitoring system, it comprises: host computer system, main frame
System comprises central processing unit 1, wireless module 2, power circuit 3, host computer 4 and keyboard circuit 51; Slave system, slave system comprises central processing unit 1, wireless module 2, power circuit 3, sensor 4, keyboard circuit 52; Wherein, slave system transfers to host computer system by the data of collection by wireless module 2, and host computer system central processing unit turns serial port by data by USB again and transfers to described host computer 4.
Temperature monitoring flow process comprises slave system program and host computer system program.
As Fig. 5, host computer system program starts after S11, and first initialization S12, turns the initialization of serial port, wireless module, external interrupt etc. for USB.Then enter systemic circulation and constantly carry out the function in systemic circulation.The work mainly completing in systemic circulation is: first read register single-chip data S13, then wait the arrival S14 of pending data.Once the data of receiving, first program judges the legitimacy S15 of data, if legal, by USB, turn serial port data are dealt into host computer S16.As shown in Figure 6, interrupt mode is arranged in the button work of host computer system program, when having people to push button, external interrupt produces S18, carries out key range S19, carries out keystroke handling function S20, to cause the interruption of central processing unit, and then remove to carry out interrupt service routine S21.
As shown in Figure 7, slave system program comprises detected temperatures, detects light intensity, wireless transmission data, key scan etc.Slave starts after S22 in program, first initialization S23, initialization host computer, initialization central processing unit and intiating radio module.Then enter systemic circulation and constantly carry out the function in systemic circulation.The work mainly completing in systemic circulation is: first read temperature S25, read light intensity S26, then temperature, light intensity data are delivered to wireless module and launch S27, then scan button S24 and carry out keystroke handling function S28.
System of the present invention is simple, reliable and stable, easy to operate, can be applicable in the middle of commercial production.Use super low power consuming single chip processor, have lower power consumption, compare with traditional monitoring technology, the present invention, under equal condition of power supply, will work the longer time.Use radio communication to carry out the transmission of data, digital temperature sensor is connected with single-chip microcomputer by unibus, and system architecture is simple, and antijamming capability is strong, be suitable for carrying out scene temperature measurement under rugged surroundings, can be applicable to the fields such as warehouse thermometric, building air-conditioner control and production process monitoring.The present invention can monitor 48 tunnels.
It should be noted that; the above-mentioned explanation of disclosed embodiment makes professional and technical personnel in the field for the present embodiment, to carry out multiple types like changing and revising apparently; this similar variation is all distortion that those skilled in the art can directly draw or be easy to just associate from content disclosed by the invention, all should belong to protection scope of the present invention.Therefore the present invention can not be subject to the restriction of this embodiment.
Claims (9)
1. the low-consumption wireless temperature monitoring system based on MSP430, is characterized in that, comprising:
Host computer system, described host computer system comprises central processing unit, wireless module, host computer, power circuit and keyboard circuit;
Slave system, described slave system comprises central processing unit, wireless module, sensor, power circuit and keyboard circuit;
Wherein, described slave system transfers to described host computer system by the data of collection by wireless module, and described host computer system central processing unit turns serial port by data by USB again and transfers to described host computer.
2. temperature monitoring system as claimed in claim 1, is characterized in that: described central processing unit is MSP430 single-chip microcomputer, and described single-chip microcomputer is a kind of 16 mixed-signal processors with reduced instruction set computer.
3. temperature monitoring system as claimed in claim 1, is characterized in that: described sensor adopts DS18B20 digital temperature sensor and photoresistance.
4. temperature monitoring system as claimed in claim 1, it is characterized in that: described wireless module comprises nRF24L01 monolithic radio frequency transceiving device, the built-in frequency synthesizer of described nRF24L01 monolithic radio frequency transceiving device, power amplifier, crystal oscillator, modulator function module, described nRF24L01 monolithic radio frequency transceiving device works in 2.4 GHz～2.5 GHz ISM band, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program.
5. temperature monitoring system as claimed in claim 1, is characterized in that: described USB turns serial port circuit and adopts TUSB3410, and this chip is the bridge of USB-TO-UART port, comprises by usb bus and main frame and communicates necessary whole logical circuit.
6. temperature monitoring system as claimed in claim 1, is characterized in that: described host computer system keyboard circuit comprises interruption button.
7. temperature monitoring system as claimed in claim 1, is characterized in that: described slave system keyboard circuit comprises four conventional buttons and a reset key.
8. the temperature monitoring flow process of temperature monitoring system as claimed in claim 1, is characterized in that: described temperature monitoring flow process comprises slave system program, host computer system program; Wherein, described slave system program comprises, initialization host computer, initialization central processing unit and intiating radio module, described sensor readings, the data that described sensor is read are sent to described wireless module launches, and scans described keyboard circuit key value; Described host computer system program comprises, initialization USB turns serial port, intiating radio module, initialization external interrupt, described wireless module reading out data, and the legitimacy of judgement data, turns serial port by USB described data is sent to host computer.
9. temperature monitoring flow process as claimed in claim 1, is characterized in that: described external interrupt comprises that button causes that central processing unit interrupts, and then interrupts host computer system program.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487413A (en) * | 2015-08-28 | 2017-03-08 | 沈阳中科奥维科技股份有限公司 | A kind of monitoring system based on industry wireless network WIA-PA wireless communication standard and method |
| CN109243155A (en) * | 2018-09-04 | 2019-01-18 | 南京邮电大学 | A kind of room temperature real-time measurement Transmission system |
| CN111664958A (en) * | 2020-05-29 | 2020-09-15 | 科大智能电气技术有限公司 | Wireless temperature measurement system and temperature measurement method thereof |
| CN111736710A (en) * | 2020-05-11 | 2020-10-02 | 广东天波信息技术股份有限公司 | Intelligent keyboard and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134479A (en) * | 1978-04-10 | 1979-10-18 | Sharp Corp | Wireless temperature measuring device |
| US20030214999A1 (en) * | 1999-09-20 | 2003-11-20 | Chapman Peter A. | Wireless remote cooking thermometer system |
| CN201540169U (en) * | 2009-09-25 | 2010-08-04 | 厦门威尔圣电气实业有限公司 | Online temperature monitoring device |
| CN201569511U (en) * | 2009-12-10 | 2010-09-01 | 西安理工大学 | Wireless temperature and light acquisition transceiver |
| CN202382872U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Storage type digital thermometer with warning function |
-
2013
- 2013-12-26 CN CN201310730242.1A patent/CN103743493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134479A (en) * | 1978-04-10 | 1979-10-18 | Sharp Corp | Wireless temperature measuring device |
| US20030214999A1 (en) * | 1999-09-20 | 2003-11-20 | Chapman Peter A. | Wireless remote cooking thermometer system |
| CN201540169U (en) * | 2009-09-25 | 2010-08-04 | 厦门威尔圣电气实业有限公司 | Online temperature monitoring device |
| CN201569511U (en) * | 2009-12-10 | 2010-09-01 | 西安理工大学 | Wireless temperature and light acquisition transceiver |
| CN202382872U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Storage type digital thermometer with warning function |
Non-Patent Citations (3)
| Title |
|---|
| 时振伟: ""基于MSP430低功耗温度无线网络监测系统的设计"", 《电子世界》 * |
| 时振伟: ""基于MSP430低功耗温度无线网络监测系统的设计"", 《电子世界》, 31 December 2012 (2012-12-31) * |
| 朱玉颖等: ""基于nRF24L01的远程温度检测系统设计"", 《自动化技术与应用》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487413A (en) * | 2015-08-28 | 2017-03-08 | 沈阳中科奥维科技股份有限公司 | A kind of monitoring system based on industry wireless network WIA-PA wireless communication standard and method |
| CN106487413B (en) * | 2015-08-28 | 2019-06-11 | 沈阳中科奥维科技股份有限公司 | A kind of monitoring system based on industry wireless network WIA-PA wireless communication standard |
| CN109243155A (en) * | 2018-09-04 | 2019-01-18 | 南京邮电大学 | A kind of room temperature real-time measurement Transmission system |
| CN111736710A (en) * | 2020-05-11 | 2020-10-02 | 广东天波信息技术股份有限公司 | Intelligent keyboard and control method thereof |
| CN111664958A (en) * | 2020-05-29 | 2020-09-15 | 科大智能电气技术有限公司 | Wireless temperature measurement system and temperature measurement method thereof |
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