CN105403319A - Intelligent temperature inspecting device - Google Patents
Intelligent temperature inspecting device Download PDFInfo
- Publication number
- CN105403319A CN105403319A CN201510989482.2A CN201510989482A CN105403319A CN 105403319 A CN105403319 A CN 105403319A CN 201510989482 A CN201510989482 A CN 201510989482A CN 105403319 A CN105403319 A CN 105403319A
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- China
- Prior art keywords
- temperature
- microprocessor
- polling instrument
- intelligent
- intelligent temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
Abstract
The invention discloses an intelligent temperature inspecting device. The intelligent temperature inspecting device is characterized in that a temperature sensor used for transmitting acquired temperature data to a microcomputer; the microprocessor processes the temperature and then displays the temperature via an LED display unit; and the microprocessor is connected with an alarm circuit and a switch quantity acquiring and key signal acquiring unit. In this way, the temperature inspecting device is advantageous in that 1: signals are acquired in a digital manner, so measuring precision is high, transmission distance is far and performance is stable; 2: the hardware is simply designed, so wiring is simplified and it is convenient for a user to use the temperature inspecting device; and 3: via the intelligent design, ways to inspecting temperature can be expanded according to demands of the user.
Description
Technical field
The present invention relates to the domain of control temperature in commercial production, particularly the intelligent temperature polling instrument of one.
Background technology
In the industrial production, the detection and control of temperature is all directly associated with the important technical index such as quality, production efficiency, economize energy of safety in production, product, and temperature detection class instrument, as temperature measurement instrument, is therefore also used widely.Current multiloop temperature polling instrument major defect is with analog sensor, and wiring is complicated, and transmission range is short and patrol and examine way and not easily increase, the problems such as the error of measurement is large, unstable properties.
For these problems, provide a kind of novel temperature polling instrument, simplifying and reducing measuring error while installing wiring, raising transmission range is the problem that prior art needs to solve.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of intelligent temperature polling instrument, simplifies while installing wiring, raising transmission range and reaches the object reducing measuring error.
For achieving the above object, technical scheme of the present invention is, a kind of intelligent temperature polling instrument, is characterized in that: described logging comprises temperature sensor and the temperature data collected is passed to microprocessor, and microprocessor is shown by LED display unit after processing temperature; Microprocessor connects warning circuit and switch acquisition and push button signalling collecting unit simultaneously.
Be provided with A/D converting unit in described temperature sensor, direct output digit signals is to microprocessor.
The model of described microprocessor is STC12C5624AD, and wherein the electric capacity of the external 11.0592M crystal oscillator of pin XTAL1, XTAL2 and 2 20PF forms parallel oscillatory circuit.
P10, P9 mouth of speech chip AP89042 in the external warning circuit of P3.3, P3.4 mouth of described microcontroller, when P3.3, P3.4 mouth input high level of microprocessor, speech chip control loudspeaker is reported to the police.
The model of described temperature sensor is DS18B20, the temperature signal collected is converted into digital signal and sends into microprocessor.
Described microcontroller carries out circling measurment to the temperature value that temperature sensor passes over, data calculate, data statistics and arrangement, data off-limit alarm and these data are accumulated and after real-time analysis, are shown by LED display unit.
Described logging judges whether to there is look-at-me after system initialization, if having, interruption of work, does not then carry out loop test from test point 1 to 16 unit; Microprocessor is shown by LED display unit after carrying out numerical evaluation and logic analysis to the temperature signal gathered; If the temperature collected during this period exists overrun condition, then control warning circuit and report to the police.
A kind of intelligent temperature polling instrument, owing to adopting above-mentioned structure, the invention has the advantages that: 1, digital collection signal: measuring accuracy is high, long transmission distance, stable performance; 2, hardware design is simple: simplify wiring, is user-friendly to; 3, intelligentized design: can need to expand the way of patrolling and examining temperature according to user.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is a kind of intelligent temperature polling instrument structural representation of the present invention;
Fig. 2 is the circuit diagram of LED display unit in a kind of intelligent temperature polling instrument of the present invention;
Fig. 3 is the circuit diagram of warning circuit in a kind of intelligent temperature polling instrument of the present invention;
Fig. 4 is the circuit diagram of temperature sensor in a kind of intelligent temperature polling instrument of the present invention;
Fig. 5 is the software flow pattern of a kind of intelligent temperature polling instrument of the present invention;
Fig. 6 is the initialization flowchart of a kind of intelligent temperature polling instrument of the present invention;
Fig. 7 is control and the display routine process flow diagram of a kind of intelligent temperature polling instrument of the present invention;
In FIG, 1, microprocessor; 2, temperature sensor; 3, LED display unit; 4, warning circuit; 5, switch acquisition and push button signalling collecting unit.
Embodiment
The present invention mainly adopts the STC12C5624AD microcontroller of the up-to-date production of STC Corporation, coordinate the intelligent temperature polling instrument of liquid crystal display, mainly comprise microprocessor 1, LED display unit 3, temperature sensor 2, warning circuit 4, switch acquisition and push button signalling collecting unit 5 form, by the distribution of microprocessor 1 pair of input/output port, thus to temperature acquisition part, communication part, LED display section combines effectively, in the program, serviceability temperature sensor has the function of thermometric and A/D conversion concurrently in addition, output valve is digital signal, so A/D converter and relevant interface chip need not be used, directly can enter single-chip microcomputer and carry out digital signal processor process, realize reporting to the police by the mode of software programming.
Specifically as shown in Figure 1, the present invention comprises temperature sensor 2 temperature data collected is passed to microprocessor 1, is shown after microprocessor 1 pair of temperature processes by LED display unit 3; Microprocessor 1 connects warning circuit 4 and switch acquisition and push button signalling collecting unit 5 simultaneously.Be provided with A/D converting unit in temperature sensor 2, direct output digit signals is to microprocessor.
The model of microprocessor 1 is the electric capacity formation parallel oscillatory circuit of the external 11.0592M crystal oscillator of STC12C5624AD pin XTAL1, XTAL2 and 2 20PF, is realized the circuit of each function by software programming.
As shown in Figure 2, by STC12C5624AD microcontroller 1 pair of P1.0-1.3, P4.2, P0.2-P0.3 input port inter-process, realize that circling measurment is carried out to temperature value, data calculate, data statistics and arrangement, data off-limit alarm and these data are accumulated and real-time analysis, thus real time temperature to be correctly presented on liquid crystal display.
As shown in Figure 3, this circuit is by P10, P9 mouth of the external speech chip AP89042 of P3.3, P3.4 mouth of microcontroller 1, through the result of microcontroller to patrolled and examined temperature analysis process, if surmount the temperature specified by software programming, P3.3, P3.4 mouth input high level of microprocessor, is reported to the police by loudspeaker to speech chip.Remind operator on duty, thus reach the object of protection consumer.
As shown in Figure 4, what this intelligent temperature polling instrument adopted is DS18B20 temperature sensor 2, and what this sensor adopted is digital signal, directly the temperature signal collected is sent into microprocessor and carries out digital signal processing.
As illustrated in figs. 5-7, for main program flow chart of the present invention, step 1 is for starting action, and step 2 is initialization action, and namely initialization is carried out in the definition, interrupt register, global variable, timer 0, EEPROM interruption, serial communication interruption, Configuration of baud rate etc. of microprocessor 1 input/output port.Judge in step 3 to open look-at-me, interrupt being yes if open, then enter 4 execution interruption subroutines, if NO or execution of step 3 enters 5 collecting temperatures and busbar temperature value carries out A/D conversion, in step 6 the temperature collected and busbar temperature value calculated and carry out logic analysis, display is sent to show to the temperature calculated and busbar temperature value in step 7, judge whether in step 8 to have pressed optimum configurations key simultaneously, if the optimum configurations then entered in 9 and parameter store, then return 3 circulations if not and perform this system program.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that technical solution of the present invention is carried out, or directly apply to other occasion, all within protection scope of the present invention without improving.
Claims (7)
1. an intelligent temperature polling instrument, it is characterized in that: described logging comprises temperature sensor (2) and the temperature data collected is passed to microprocessor (1), is shown after microprocessor (1) processes temperature by LED display unit (3); Microprocessor 1 connects warning circuit (4) and switch acquisition and push button signalling collecting unit (5) simultaneously.
2. the intelligent temperature polling instrument of one according to claim 1, is characterized in that: be provided with A/D converting unit in described temperature sensor (2), direct output digit signals is to microprocessor.
3. the intelligent temperature polling instrument of one according to claim 1, it is characterized in that: the model of described microprocessor (1) is STC12C5624AD, wherein the electric capacity of the external 11.0592M crystal oscillator of pin XTAL1, XTAL2 and two 20PF forms parallel oscillatory circuit.
4. the intelligent temperature polling instrument of one according to claim 1, it is characterized in that: P10, P9 mouth of speech chip AP89042 in the external warning circuit of P3.3, P3.4 mouth (4) of described microcontroller (1), when P3.3, P3.4 mouth input high level of microprocessor, speech chip control loudspeaker is reported to the police.
5. the intelligent temperature polling instrument of one according to claim 1, is characterized in that: the model of described temperature sensor (2) is DS18B20, the temperature signal collected is converted into digital signal and sends into microprocessor.
6. the intelligent temperature polling instrument of one according to claim 1, it is characterized in that: described microcontroller (1) carries out circling measurment to the temperature value that temperature sensor (2) passes over, data calculate, data statistics and arrangement, data off-limit alarm and these data are accumulated and after real-time analysis, are shown by LED display unit (3).
7. the measuring method of a kind of intelligent temperature polling instrument according to claim 1, is characterized in that: described logging judges whether to there is look-at-me after system initialization, if having, interruption of work, does not then carry out loop test from test point 1 to 16 unit; Microprocessor is shown by LED display unit after carrying out numerical evaluation and logic analysis to the temperature signal gathered; If the temperature collected during this period exists overrun condition, then control warning circuit and report to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989482.2A CN105403319A (en) | 2015-12-24 | 2015-12-24 | Intelligent temperature inspecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510989482.2A CN105403319A (en) | 2015-12-24 | 2015-12-24 | Intelligent temperature inspecting device |
Publications (1)
| Publication Number | Publication Date |
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| CN105403319A true CN105403319A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510989482.2A Pending CN105403319A (en) | 2015-12-24 | 2015-12-24 | Intelligent temperature inspecting device |
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| CN (1) | CN105403319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440937A (en) * | 2019-08-13 | 2019-11-12 | 苏州德瑞芬诺环境科技有限公司 | A kind of pH analyzer with temperature detection and warning function |
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| US20110115636A1 (en) * | 2009-11-16 | 2011-05-19 | Zhang Changhuan | Wireless temperature measuring system |
| CN202018346U (en) * | 2011-04-18 | 2011-10-26 | 北京航天正信科技有限公司 | Temperature acquisition module with automatic fault diagnosis function |
| CN202382872U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Storage type digital thermometer with warning function |
| CN202453100U (en) * | 2011-12-15 | 2012-09-26 | 长安大学 | Digital thermometer |
| CN205449321U (en) * | 2015-12-24 | 2016-08-10 | 安徽中电兴发与鑫龙科技股份有限公司 | Temperature inspecting instrument |
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2015
- 2015-12-24 CN CN201510989482.2A patent/CN105403319A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2711708Y (en) * | 2003-12-26 | 2005-07-20 | 哈尔滨九洲电气股份有限公司 | Long distance transmission digital thermometer |
| US20110115636A1 (en) * | 2009-11-16 | 2011-05-19 | Zhang Changhuan | Wireless temperature measuring system |
| CN202018346U (en) * | 2011-04-18 | 2011-10-26 | 北京航天正信科技有限公司 | Temperature acquisition module with automatic fault diagnosis function |
| CN202453100U (en) * | 2011-12-15 | 2012-09-26 | 长安大学 | Digital thermometer |
| CN202382872U (en) * | 2011-12-26 | 2012-08-15 | 黑龙江科技学院 | Storage type digital thermometer with warning function |
| CN205449321U (en) * | 2015-12-24 | 2016-08-10 | 安徽中电兴发与鑫龙科技股份有限公司 | Temperature inspecting instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110440937A (en) * | 2019-08-13 | 2019-11-12 | 苏州德瑞芬诺环境科技有限公司 | A kind of pH analyzer with temperature detection and warning function |
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Application publication date: 20160316 |
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