CN104807502A - Environment monitoring instrument - Google Patents
Environment monitoring instrument Download PDFInfo
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- CN104807502A CN104807502A CN201510194323.3A CN201510194323A CN104807502A CN 104807502 A CN104807502 A CN 104807502A CN 201510194323 A CN201510194323 A CN 201510194323A CN 104807502 A CN104807502 A CN 104807502A
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Abstract
The invention discloses an environment monitoring instrument. The environment monitoring instrument comprises a temperature detection module, a humidity detection module, a main control CPU, a multi-route selection module, a control module and an output module. The environment monitoring instrument monitors various environment parameters with a single-chip microcomputer as the core, display and voice broadcasting can be conducted by collecting environment parameters such as temperature and humidity through sensors, an alarm can be given when the environment parameters exceed limited ranges, control can be conducted in the key mode and the voice mode, and therefore the environment monitoring instrument has the advantages of being diversified in function, accurate in control and convenient to use.
Description
Technical field
The present invention relates to a kind of monitoring equipment, specifically a kind of environment monitor.
Background technology
In some industrial circle, comparatively strict to the requirement of production on-site environment, to many indexes monitor to guarantee to produce safe, economical, effectively carry out.Often needing a lot of equipment independently to use when detecting these environmental parameters, causing the waste of resource, and traditional environmental monitoring and regulating device need manual operation mostly, waste time and energy, are unfavorable for Comprehensive Control and operated from a distance.
Summary of the invention
The object of the present invention is to provide the environment monitor that a kind of diverse in function, degree of intelligence are high, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of environment monitor, comprises temperature detecting module, humidity detecting module, master cpu, timing circuit, control module and output module; It is characterized in that, described temperature detecting module and humidity detecting module are connected the input end of multi-path choice module respectively, the signal output part of multi-path choice module connects master cpu, described master cpu also connects output module, output module, LCD display and touch keyboard, voice broadcast module, timing circuit and speech control module respectively, and control module connects relay 1, relay 2 and relay n respectively;
Described temperature detecting module comprises thermistor RS, resistance R1, potentiometer RP1 and chip IC 1, one end contact resistance R1 of thermistor RS, resistance R2 and power supply VCC, the other end ground connection of thermistor RS, the other end contact resistance R4 of resistance R1, the pin 3 of resistance R3 and chip IC 1, the other end of resistance R2 connects the stiff end of potentiometer RP1, another stiff end contact resistance R5 of potentiometer RP1, the other end ground connection of resistance R5, the pin 1 of chip IC 1 connects the sliding end of potentiometer RP1, the other end of the pin 4 contact resistance R3 of chip IC 1 and resistance R4, the other end contact resistance R6 of resistance R4 and the pin 3 of chip IC 2, pin 1 ground connection of chip IC 2, the other end of the pin 4 contact resistance value R6 of chip IC 2 also outputs signal OUT.
As preferred version of the present invention: the detecting element of described humidity measuring circuit is humicap.
As preferred version of the present invention: described multi-path choice module selects two four-way multi-channel analog selector switch M74HC4052.
As preferred version of the present invention: described master cpu is SPCE061A type single-chip microcomputer.
As preferred version of the present invention: the display screen of described LCD display and touch keyboard inside and touch keyboard are respectively GXM12232L dot matrix graphic Liquid Crystal Module and matrix keyboard.
Compared with prior art, the invention has the beneficial effects as follows: environment monitor of the present invention is that core is monitored various environmental parameters with single-chip microcomputer, can carry out showing and voice broadcast respectively by environmental parameters such as sensor collecting temperature, humidity, if exceed limited range can report to the police, and can be controlled by button and voice two kinds of forms, therefore there is diverse in function, control advantage accurate, easy to use.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of environment monitor;
Fig. 2 is the circuit diagram of temperature detecting module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-2, a kind of environment monitor, comprise temperature detecting module, humidity detecting module, master cpu, multi-path choice module, control module and output module, described temperature detecting module and humidity detecting module are connected the input end of multi-path choice module respectively, the signal output part of multi-path choice module connects master cpu, master cpu also distinguishes link control module, output module, LCD display and touch keyboard, voice broadcast module, house dog and speech control module, control module connects relay 1 respectively, relay 2 and relay n, output module connects RS232 interface and USB interface respectively,
Described temperature detecting module comprises thermistor RS, resistance R1, potentiometer RP1 and chip IC 1, one end contact resistance R1 of thermistor RS, resistance R2 and power supply VCC, the other end ground connection of thermistor RS, the other end contact resistance R4 of resistance R1, the pin 3 of resistance R3 and chip IC 1, the other end of resistance R2 connects the stiff end of potentiometer RP1, another stiff end contact resistance R5 of potentiometer RP1, the other end ground connection of resistance R5, the pin 1 of chip IC 1 connects the sliding end of potentiometer RP1, the other end of the pin 4 contact resistance R3 of chip IC 1 and resistance R4, the other end contact resistance R6 of resistance R4 and the pin 3 of chip IC 2, pin 1 ground connection of chip IC 2, the other end of the pin 4 contact resistance value R6 of chip IC 2 also outputs signal OUT.
The detecting element of humidity measuring circuit is humicap.
Multi-path choice module selects two four-way multi-channel analog selector switch M74HC4052.
Master cpu is SPCE061A type single-chip microcomputer.
The display screen of LCD display and touch keyboard inside and touch keyboard are respectively GXM12232L dot matrix graphic Liquid Crystal Module and matrix keyboard.
Principle of work of the present invention is: monitor adopts SPCE061A single-chip microcomputer as main control chip, SPCE061A is 16 one chip microcomputer chips of a kind of high-performance, low-power consumption, band 32K flash memory (FLASH), adopt CMOS manufacturing process, add weak mode of shaking, idle mode and power-down mode that software excites simultaneously, significantly reduce power consumption, this processor operating voltage range is large, normally can work, and can use powered battery when low voltage power supply.This has special meaning for its application in portable instrument field.SPCE061A reliability is high, speed is fast, data can not be lost after system power failure, and higher processing speed can be very easy to, process complicated digital signal rapidly.In Fig. 2, thermistor RS collecting temperature signal, obtains the magnitude of voltage of temperature of reaction size by amplifier IC1, then adjusts magnification ratio by amplifier IC2, be met the magnitude of voltage of certain sensitivity requirement to characterize current environmental temperature, with potentiometer RP1, the gain of IC2 adjusted in circuit.Monitor is gathered data by sensor and interface circuit, change after obtain an analog electrical energy and deliver to single-chip microcomputer and carry out A/D conversion, because single-chip microcomputer once can only be changed data, and the conversion parameter of various measured value is different, so select the parameter that will measure by selector switch.Here, two four-way multi-channel analog selector switch M74HC4052 is selected.It comprises 8 two-way digital control analog switches, be built-in with a shift lever to allow the voltage range of simulating signal between ± 6V, control circuit adopts 82C55A to expand cpu port, through Phototube Coupling, dividing to relay after drive amplification, conjunction controls, wherein drive amplification adopts MC1416B, it is made up of side by side 7 NPN Darlington transistors, there is larger driving force, System relays electrical equipment 1-relay n mainly controls some start and stop and cue, the display screen of the LCD display that system uses and touch keyboard inside is GXM12232L dot matrix graphic Liquid Crystal Module, touch keyboard is matrix keyboard, can figure, the mode of character and the two synthesis shows, the feature display under character mode and screen copy function can also be realized, this system can show current data and parameter.Touch keyboard has 4 buttons, and can complete the operations such as artificial setting or function switching, CPU can control operation according to the parameter of display or voice broadcast in current LCD.For the ease of the use of multiple external unit to sensor, device adopts the several data way of output, exports comprising USB and RS232, can expand controlling functions easily and data transmission.
Claims (5)
1. an environment monitor, comprises temperature detecting module, humidity detecting module, master cpu, multi-path choice module, control module and output module; It is characterized in that, described temperature detecting module and humidity detecting module are connected the input end of multi-path choice module respectively, the signal output part of multi-path choice module connects master cpu, described master cpu also connects output module, output module, LCD display and touch keyboard, voice broadcast module, timing circuit and speech control module respectively, and control module connects relay 1, relay 2 and relay n respectively; Described output module also connects RS232 interface and USB interface respectively.
Described temperature detecting module comprises thermistor RS, resistance R1, potentiometer RP1 and chip IC 1, one end contact resistance R1 of thermistor RS, resistance R2 and power supply VCC, the other end ground connection of thermistor RS, the other end contact resistance R4 of resistance R1, the pin 3 of resistance R3 and chip IC 1, the other end of resistance R2 connects the stiff end of potentiometer RP1, another stiff end contact resistance R5 of potentiometer RP1, the other end ground connection of resistance R5, the pin 1 of chip IC 1 connects the sliding end of potentiometer RP1, the other end of the pin 4 contact resistance R3 of chip IC 1 and resistance R4, the other end contact resistance R6 of resistance R4 and the pin 3 of chip IC 2, pin 1 ground connection of chip IC 2, the other end of the pin 4 contact resistance value R6 of chip IC 2 also outputs signal OUT.
2. a kind of environment monitor according to claim 1, is characterized in that, the detecting element of described humidity measuring circuit is humicap.
3. a kind of environment monitor according to claim 1, is characterized in that, described multi-path choice module selects two four-way multi-channel analog selector switch M74HC4052.
4. a kind of environment monitor according to claim 1, is characterized in that, described master cpu is SPCE061A type single-chip microcomputer.
5. a kind of environment monitor according to claim 1, is characterized in that, the display screen of described LCD display and touch keyboard inside and touch keyboard are respectively GXM12232L dot matrix graphic Liquid Crystal Module and matrix keyboard.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510194323.3A CN104807502A (en) | 2015-04-22 | 2015-04-22 | Environment monitoring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510194323.3A CN104807502A (en) | 2015-04-22 | 2015-04-22 | Environment monitoring instrument |
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CN104807502A true CN104807502A (en) | 2015-07-29 |
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CN201510194323.3A Pending CN104807502A (en) | 2015-04-22 | 2015-04-22 | Environment monitoring instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105866344A (en) * | 2016-05-13 | 2016-08-17 | 成都易思科科技有限公司 | Method for ambient humidity detection |
CN106292450A (en) * | 2016-09-12 | 2017-01-04 | 北海和思科技有限公司 | A kind of sophisticated environmental control system based on sensor technology |
CN113110170A (en) * | 2021-04-14 | 2021-07-13 | 许昌市第二中学 | Multi-path voltage output type sensor control circuit |
-
2015
- 2015-04-22 CN CN201510194323.3A patent/CN104807502A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105866344A (en) * | 2016-05-13 | 2016-08-17 | 成都易思科科技有限公司 | Method for ambient humidity detection |
CN106292450A (en) * | 2016-09-12 | 2017-01-04 | 北海和思科技有限公司 | A kind of sophisticated environmental control system based on sensor technology |
CN113110170A (en) * | 2021-04-14 | 2021-07-13 | 许昌市第二中学 | Multi-path voltage output type sensor control circuit |
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