CN202133918U - Infrared temperature detecting and controlling system - Google Patents
Infrared temperature detecting and controlling system Download PDFInfo
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- CN202133918U CN202133918U CN201120225281U CN201120225281U CN202133918U CN 202133918 U CN202133918 U CN 202133918U CN 201120225281 U CN201120225281 U CN 201120225281U CN 201120225281 U CN201120225281 U CN 201120225281U CN 202133918 U CN202133918 U CN 202133918U
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- infrared
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- temperature
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Abstract
The utility model discloses an infrared temperature detecting and controlling system, comprising a controlling end and at least one receiving end, wherein the controlling end comprises a temperature detecting module, a processor and an infrared transmitting end which are connected in order, the receiving end comprises an infrared receiving end, a CPU and a temperature controlling device which are connected in order, the temperature detecting module converts the detected temperature signal into a digital signal and transmits the digital signal to the processor for processing, the processor transmits the processed signal to the receiving end through the infrared transmitting end, the infrared receiving end transmits the received infrared signal to the CPU for processing, and a controlling signal is generated to control the temperature controlling device. The infrared temperature detecting and controlling system is low in cost, simple in operation and universal in using.
Description
Technical field
The utility model relates to a kind of thalposis control system, a kind of infrared thalposis control system of more specifically saying so.
Background technology
At present, temperature control system is applied to the every field of social life, like household electrical appliances, and power electronics, Industry Control etc.PID temperature control in recent years, fuzzy control, and neural network and the application of genetic algorithm in temperature control system have all obtained fast development.Pid algorithm is according to ratio, and integration, differential coefficient calculate suitable output controlled variable, and utilizing the method for revising the control variable error is first closed-loop control, makes control procedure continuous, thereby realizes temperature control effectively.Neural network extensively is connected to form complex network with a large amount of simple processing units, and the topological structure algorithm is different, and wherein the error backpropagation algorithm application is the most extensive, and is suitable to the Complex Nonlinear System modeling, can effectively remedy the deficiency of PID control.Fuzzy control is based on the control algolithm of a process of description of fuzzy logic, main embedding operation personnel's experience and intuitivism.It is applicable to that control is difficult for obtaining mathematical models and mathematical model is uncertain or the object of frequent variation.No matter be neural network, fuzzy control or genetic algorithm all will combine with pid regulator parameters with PID, and it is non-linear could to adapt to temperature control system, disturb greatly, long time delay, the time change and changes in distribution characteristics, realize effective temperature control.
Such temperature control system complexity is excessive, guarantee that the cost price that its high reliability pays is also bigger.And in general simple industry and life temperature control environment, often allow bigger trueness error, time delay and changes in distribution, like this we can select more simple, scheme cheaply.
The utility model content
The technical matters that the utility model solves provides a kind of infrared thalposis control system of real-time control unit temperature.
For solving the problems of the technologies described above; The utility model provides a kind of infrared thalposis control system; Comprise control end and at least one receiving end; Said control end comprises temperature detecting module, processor and the infrared ray transmitting terminal that links to each other successively, and said receiving end comprises infrared ray receiving end, CPU and the temperature control device that links to each other successively; Said temperature detecting module converts detected temperature signal into and is transferred to processor after the digital signal and handles, and the signal after processor will be handled sends to said receiving end through infrared transmitting terminal; Said infrared receiving end sends to CPU with the infrared signal that receives and handles the back and produce control signal and control temperature control device and carry out temperature control.
Further, in a kind of infrared thalposis control system of the utility model, said control end also comprises display module, and said display module links to each other with processor, and the data after the processor processes are shown through display module.
Further, in a kind of infrared thalposis control system of the utility model, said display module is a charactron.
Further, in a kind of infrared thalposis control system of the utility model, said temperature detecting module adopts the DS18B20 digital temperature sensor.
Further, in a kind of infrared thalposis control system of the utility model, said processor adopting STC89C52 single-chip microcomputer.
The utility model compared with prior art has the following advantages: 1) adopt the infrared data transmission mode, because infrared ray is not only safe and reliable but also ability effective isolation electrical Interference, improve data transmission efficiency; 2) this system cost is low and simple to operate, has versatility.
Description of drawings
are described in further detail the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a kind of infrared thalposis control system structured flowchart of the utility model.
Fig. 2 is the circuit theory diagrams of infrared data receiver module in a kind of infrared thalposis control system of the utility model.
Embodiment
As shown in Figure 1; The utility model provides a kind of infrared thalposis control system; Comprise control end and at least one receiving end; Said control end comprises temperature detecting module, processor and the infrared ray transmitting terminal that links to each other successively, and said receiving end comprises infrared ray receiving end, CPU and the temperature control device that links to each other successively; Said temperature detecting module converts detected temperature signal into and is transferred to processor after the digital signal and handles, and the signal after processor will be handled sends to said receiving end through infrared transmitting terminal; Said infrared receiving end sends to CPU with the infrared signal that receives and handles the back and produce control signal and control temperature control device and carry out temperature control.
As shown in Figure 2; The DS18B20 digital temperature sensor passes the signal to the STC89C52 single-chip microcomputer after detecting scene temperature; The DS18B20 digital temperature sensor is specially adapted to remote multi-point temp detection system; This scale expansion to this system is very favourable, the built-in analog-to-digital conversion module of this temperature sensor, and the STC89C52 single-chip microcomputer is handled the back to the digital temperature signal that receives and is outputed to three eight sections charactrons demonstration current temperature value through the P0 port; And the timer/counter that passes through single-chip microcomputer inside simultaneously produces the modulation signal of corresponding frequencies; Modulation signal is added to the signal after just obtaining modulating on the carrier wave that is produced by the 38KHZ crystal oscillator, and the crystal oscillator of 38KHZ produces stable 38KHZ carrier wave through control circuit, and the TXD port output signal of this carrier wave and CPU mutually or the non-modulation signal that can obtain the corresponding temperature value; The switch of this signal controlling triode is realized the control to the infrared emission frequency, and this process is promptly to the modulation of infrared signal.In order to let infrared transmitting tube SIR-563 produce enough strong infrared ray output to guarantee transmission range; In output circuit, use the triode amplified current to drive infrared transmitting tube; Signal after will modulating is at last launched through the SIR-563 infrared transmitting tube; Distance between SIR-563 infrared transmitting tube and the receiving end and angle will be controlled well; General angle between the two is controlled in the positive and negative 90 degree scopes, and barrier cannot be arranged between the two, otherwise can't realize the normal acceptance of infrared signal.System can use the button cell power supply also can strengthen the adaptability to the different operating environment like this through USB confession electricity; Infrared receiving end receives the infrared signal of transmitting terminal emission; Through filtering; Convert digital signal after the amplification into, accept to produce a look-at-me after data are accomplished and give CPU, CPU promptly begins to accept and the processing subsequent data sent; Produce the control signal control Temperature-controlled appliance of coupling then, finally realize temperature controlled purpose.The temperature detection end detects variation of temperature after the temperature change, obtains feedback information.
Claims (5)
1. one kind infrared thalposis control system; Comprise control end and at least one receiving end; It is characterized in that: said control end comprises temperature detecting module, processor and the infrared ray transmitting terminal that links to each other successively, and said receiving end comprises infrared ray receiving end, CPU and the temperature control device that links to each other successively;
Said temperature detecting module converts detected temperature signal into and is transferred to processor after the digital signal and handles, and the signal after processor will be handled sends to said receiving end through infrared transmitting terminal; Said infrared receiving end sends to CPU with the infrared signal that receives and handles the back and produce control signal and control temperature control device and carry out temperature control.
2. a kind of infrared thalposis control system according to claim 1, it is characterized in that: said control end also comprises display module, said display module links to each other with processor, and the data after the processor processes are shown through display module.
3. a kind of infrared thalposis control system according to claim 2, it is characterized in that: said display module is a charactron.
4. a kind of infrared thalposis control system according to claim 1 is characterized in that: said temperature detecting module adopts the DS18B20 digital temperature sensor.
5. a kind of infrared thalposis control system according to claim 1 is characterized in that: said processor adopting STC89C52 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120225281U CN202133918U (en) | 2011-06-29 | 2011-06-29 | Infrared temperature detecting and controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120225281U CN202133918U (en) | 2011-06-29 | 2011-06-29 | Infrared temperature detecting and controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202133918U true CN202133918U (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201120225281U Expired - Fee Related CN202133918U (en) | 2011-06-29 | 2011-06-29 | Infrared temperature detecting and controlling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202133918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692926A (en) * | 2012-06-05 | 2012-09-26 | 哈尔滨工程大学 | TMS320C6713-based fuzzy proportion integration differentiation (PID) fusion controller and control method for course of ship |
| CN106526086A (en) * | 2016-12-02 | 2017-03-22 | 浙江莱诺工程技术有限公司 | Gas sensor |
-
2011
- 2011-06-29 CN CN201120225281U patent/CN202133918U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692926A (en) * | 2012-06-05 | 2012-09-26 | 哈尔滨工程大学 | TMS320C6713-based fuzzy proportion integration differentiation (PID) fusion controller and control method for course of ship |
| CN106526086A (en) * | 2016-12-02 | 2017-03-22 | 浙江莱诺工程技术有限公司 | Gas sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20130629 |