CN205176687U - Temperature control system based on single chip microcomputer - Google Patents
Temperature control system based on single chip microcomputer Download PDFInfo
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- CN205176687U CN205176687U CN201520623995.7U CN201520623995U CN205176687U CN 205176687 U CN205176687 U CN 205176687U CN 201520623995 U CN201520623995 U CN 201520623995U CN 205176687 U CN205176687 U CN 205176687U
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- chip microcomputer
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- temperature sensor
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Abstract
The utility model discloses a temperature control system based on single chip microcomputer, including main circuit board, the last singlechip of installing of main circuit board, temperature sensor and button input module are connected with the input of singlechip respectively, LCD liquid crystal display and buzzer are connected with the output of singlechip respectively, the PTC heater is connected with the output of singlechip through first relay, and the fan passes through the second relay and is connected with the output of singlechip, with the feeding end connection of singlechip behind USB interface and the switch series connection. The utility model discloses the overall arrangement is neat, and convenient to use can realize the measurement to gas temperature, solid temperature and liquid temperature moreover to can save a large amount of data, anti -interference ability is strong. Directly use the USB power supply mode, saved these extra expenses of battery, the cost is reduced. Furthermore, the utility model discloses the energy consumption is low, the low carbon environmental protection.
Description
Technical field
The utility model belongs to technical field of temperature control, is specifically related to a kind of SCM Based temperature control system of data acquisition and controlling of the various temperature information for environment such as boiler, warmhouse booth, water heater and city, field, farmlands.
Background technology
Along with the development of industrial technology, the measurement of temperature signal and control are applied to multiple field, and intellectuality has become the main flow of modern temperature control system development.And generally there is problem in existing temperature control system:
1, signal acquisition point is single, and the environmental parameter of measurement is less.
2, measure and control accuracy and stability be not fine, can not high-qualityly finish the work.
3, storage space is little, need add signaling conversion circuit.
4, use powered battery, increase cost.
5, the expensive and inconvenient operation of many external products, after sale service is difficult to ensure.
Utility model content
For above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of temperature measuring gas, liquid, solid three kinds of states, and can store a large amount of data, uses USB to power, reliability and precision high, the SCM Based temperature control system of good stability.
For realizing above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:
A kind of SCM Based temperature control system, comprise main circuit board, main circuit board is provided with single-chip microcomputer, temperature sensor and keyboard input module are connected with the input end of single-chip microcomputer respectively; LCD liquid crystal display screen and hummer are connected with the output terminal of single-chip microcomputer respectively; Ptc heater is connected with the output terminal of single-chip microcomputer by the first relay, and fan is connected with the output terminal of single-chip microcomputer by the second relay; Be connected with the feeder ear of single-chip microcomputer after USB interface and power switch are connected in series; Burner on light is provided with between the first relay and ptc heater; Heat radiation pilot lamp is provided with between the second relay and fan; Power switch, LCD liquid crystal display screen, keyboard input module, burner on light and heat radiation pilot lamp form man-machine interface and state display jointly.
Described temperature sensor is arranged on the top of main circuit board, and LCD liquid crystal display screen and single-chip microcomputer are arranged on the main circuit board of the below of temperature sensor, and LCD liquid crystal display screen is located on single-chip microcomputer; Hummer, the first relay and the second relay are arranged on the lower left quarter of main circuit board; USB interface and power switch are integrally fixed and are arranged on the right lower quadrant of main circuit board; Keyboard input module is arranged on the main circuit board above power switch.
Described single-chip microcomputer is STC89C51 single-chip microcomputer, and the encryption of STC89C51 single-chip microcomputer is strong, low in energy consumption, strong interference immunity, reliability are high, cheap, and can store mass data, working range is wider.
Described temperature sensor is DS18B20 temperature sensor, and the collection signal of DS18B20 temperature sensor directly can transfer to single-chip microcomputer, eliminates signaling conversion circuit.
The utility model gathers the temperature of zones of different by multiple temperature sensor, the signal of temperature sensor collection is directly transferred to single-chip microcomputer and processes, after single-chip microcomputer Received signal strength also processes, send corresponding control command to the first relay and the second relay, if temperature is high, then opens fan by control second relay and lower the temperature; If temperature is low, then opens ptc heater by the first relay and carry out heat temperature raising.The utility model layout is neat, easy to use, and can realize the measurement to gas temperature, solid temperature and fluid temperature, and can store a large amount of data, strong anti-interference performance.Directly use USB power supply mode, eliminate these extra expenses of battery, reduce cost.And the utility model energy consumption is low, low-carbon environment-friendly.
Accompanying drawing explanation
Fig. 1 is the topology layout schematic diagram of embodiment 1.
Fig. 2 is the control principle drawing of embodiment 1.
Embodiment
Embodiment 1: as shown in Figure 1-2, a kind of SCM Based temperature control system, comprises main circuit board 1, main circuit board 1 is provided with single-chip microcomputer 3, and described single-chip microcomputer 3 is STC89C51 single-chip microcomputer, to be arranged on main circuit board 1 and to be positioned at the below of temperature sensor 4.The encryption of STC89C51 single-chip microcomputer is strong, low in energy consumption, strong interference immunity, reliability are high, cheap, and can store mass data, working range is wider.
Described temperature sensor 4 is arranged on the top of main circuit board 1, and is connected with the input end of single-chip microcomputer 3.LCD liquid crystal display screen 2 is arranged on the main circuit board 1 of the below of temperature sensor 4, and LCD liquid crystal display screen 2 is located on single-chip microcomputer 3, and is connected with the output terminal of single-chip microcomputer 3.Hummer 5, first relay 6 and the second relay 8 are arranged on the lower left quarter of main circuit board 1, and are connected with the output terminal of single-chip microcomputer 3 respectively; Usb 12 and power switch 13 are integrally fixed and are arranged on the right lower quadrant of main circuit board 1, and both are connected with the feeder ear of single-chip microcomputer 3 after being connected in series.Keyboard input module 10 is arranged on the main circuit board 1 above power switch 13, and is connected with the input end of single-chip microcomputer 3.
Ptc heater 7 is connected with the output terminal of single-chip microcomputer 3 by the first relay 6, and is provided with burner on light 11 between the first relay 6 and ptc heater 7.Fan 9 is connected with the output terminal of single-chip microcomputer 3 by the second relay 8, and is provided with the pilot lamp 14 that dispels the heat between the second relay 8 and fan 9.
Wherein, described temperature sensor is DS18B20 temperature sensor, and the collection signal of DS18B20 temperature sensor directly can transfer to single-chip microcomputer, eliminates signaling conversion circuit.
Principle of work: external power source is powered to single-chip microcomputer 3 by USB interface, can the temperature of temperature sensor 4 acquisition testing position by keyboard input module 10, and detection signal is directly transferred to single-chip microcomputer 3, single-chip microcomputer 3 Received signal strength also, after process, sends used control command to the first relay 6 and the second relay 8.If detected temperatures is lower than setting value, then single-chip microcomputer 3 controls the first relay 6 and is energized, and ptc heater 7 heating work is heated up, and burner on light 11 is bright simultaneously.If detected temperatures is higher than setting value, then single-chip microcomputer 3 controls the second relay 8 and is energized, and fan 9 is worked cooling, and the pilot lamp 14 that simultaneously dispels the heat is bright.Power switch 13, LCD liquid crystal display screen 2, free-standing key-press input 10, burner on light 11 and heat radiation pilot lamp 14 be composition man-machine interface and state display jointly.The setting of switching on and shutting down, temperature bound can be completed by man-machine interface.
Embodiment 2: a kind of SCM Based temperature control system, comprises main circuit board, main circuit board is provided with single-chip microcomputer, and temperature sensor and keyboard input module are connected with the input end of single-chip microcomputer respectively; LCD liquid crystal display screen and hummer are connected with the output terminal of single-chip microcomputer respectively; Ptc heater is connected with the output terminal of single-chip microcomputer by the first relay, and fan is connected with the output terminal of single-chip microcomputer by the second relay; Be connected with the feeder ear of single-chip microcomputer after USB interface and power switch are connected in series.
Embodiment 3: a kind of SCM Based temperature control system, comprises main circuit board, main circuit board is provided with single-chip microcomputer, and temperature sensor and keyboard input module are connected with the input end of single-chip microcomputer respectively; LCD liquid crystal display screen and hummer are connected with the output terminal of single-chip microcomputer respectively; Ptc heater is connected with the output terminal of single-chip microcomputer by the first relay, and fan is connected with the output terminal of single-chip microcomputer by the second relay; Be connected with the feeder ear of single-chip microcomputer after USB interface and power switch are connected in series.
Described temperature sensor is arranged on the top of main circuit board, and LCD liquid crystal display screen and single-chip microcomputer are arranged on the main circuit board of the below of temperature sensor, and LCD liquid crystal display screen is located on single-chip microcomputer; Hummer, the first relay and the second relay are arranged on the lower left quarter of main circuit board; USB interface and power switch are integrally fixed and are arranged on the right lower quadrant of main circuit board; Keyboard input module is arranged on the main circuit board above power switch.
Embodiment 4: a kind of SCM Based temperature control system, comprises main circuit board, main circuit board is provided with single-chip microcomputer, and temperature sensor and keyboard input module are connected with the input end of single-chip microcomputer respectively; LCD liquid crystal display screen and hummer are connected with the output terminal of single-chip microcomputer respectively; Ptc heater is connected with the output terminal of single-chip microcomputer by the first relay, and fan is connected with the output terminal of single-chip microcomputer by the second relay; Be connected with the feeder ear of single-chip microcomputer after USB interface and power switch are connected in series.
Burner on light is provided with between the first relay and ptc heater; Heat radiation pilot lamp is provided with between the second relay and fan.
Claims (4)
1. a SCM Based temperature control system, it is characterized in that: comprise main circuit board (1), main circuit board (1) is provided with single-chip microcomputer (3), temperature sensor (4) is connected with the input end of single-chip microcomputer (3) respectively with keyboard input module (10); LCD liquid crystal display screen (2) is connected with the output terminal of single-chip microcomputer (3) respectively with hummer (5); Ptc heater (7) is connected by the output terminal of the first relay (6) with single-chip microcomputer (3), and fan (9) is connected by the output terminal of the second relay (8) with single-chip microcomputer (3); Be connected with the feeder ear of single-chip microcomputer (3) after USB interface (12) and power switch (13) are connected in series; Burner on light (11) is provided with between the first relay (6) and ptc heater (7); The pilot lamp (14) that dispels the heat is provided with between the second relay (8) and fan (9); Power switch (13), LCD liquid crystal display screen (2), keyboard input module (10), burner on light (11) and heat radiation pilot lamp (14) be composition man-machine interface and state display jointly.
2. SCM Based temperature control system according to claim 1, it is characterized in that: described temperature sensor (4) is arranged on the top of main circuit board (1), LCD liquid crystal display screen (2) and single-chip microcomputer (3) are arranged on the main circuit board (1) of the below of temperature sensor (4), and LCD liquid crystal display screen (2) is located on single-chip microcomputer (3); Hummer (5), the first relay (6) and the second relay (8) are arranged on the lower left quarter of main circuit board (1); USB interface (12) and power switch (13) are integrally fixed and are arranged on the right lower quadrant of main circuit board (1); Keyboard input module (10) is arranged on the main circuit board (1) of power switch (13) top.
3. SCM Based temperature control system according to claim 1 and 2, is characterized in that: described single-chip microcomputer (3) is STC89C51 single-chip microcomputer.
4. SCM Based temperature control system according to claim 1 and 2, is characterized in that: described temperature sensor (4) is DS18B20 temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623995.7U CN205176687U (en) | 2015-08-19 | 2015-08-19 | Temperature control system based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623995.7U CN205176687U (en) | 2015-08-19 | 2015-08-19 | Temperature control system based on single chip microcomputer |
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| Publication Number | Publication Date |
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| CN205176687U true CN205176687U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520623995.7U Active CN205176687U (en) | 2015-08-19 | 2015-08-19 | Temperature control system based on single chip microcomputer |
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| CN (1) | CN205176687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803708A (en) * | 2018-02-23 | 2018-11-13 | 深圳市物联微电子有限公司 | A kind of Single chip microcomputer temperature control system |
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2015
- 2015-08-19 CN CN201520623995.7U patent/CN205176687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803708A (en) * | 2018-02-23 | 2018-11-13 | 深圳市物联微电子有限公司 | A kind of Single chip microcomputer temperature control system |
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| GR01 | Patent grant |