CN201532374U - Household intelligent environment index visual monitoring system - Google Patents
Household intelligent environment index visual monitoring system Download PDFInfo
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- CN201532374U CN201532374U CN2009202563848U CN200920256384U CN201532374U CN 201532374 U CN201532374 U CN 201532374U CN 2009202563848 U CN2009202563848 U CN 2009202563848U CN 200920256384 U CN200920256384 U CN 200920256384U CN 201532374 U CN201532374 U CN 201532374U
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Abstract
The utility model discloses a household intelligent environment index visual monitoring system, which comprises a light intensity sensor, a temperature sensor, a humidity sensor, a gas sensor, a natural gas sensor, a formaldehyde sensor, a smoke sensor, an AD conversion chip, a control chip and a Bluetooth embedded wireless transmission module. The household intelligent environment index visual monitoring system is characterized in that the sensors are respectively connected with the control chip via the AD conversion chip, and a serial interface of the control chip is connected with the Bluetooth embedded wireless transmission module. The household intelligent environment index visual monitoring system with high integration can detect seven channels of environmental signals and utilize short distance wireless bidirectional data transition, and a computer terminal can be communicated with a plurality of sensor acquisition equipment, thereby being capable of realizing real-time monitoring and warming to various indoor environments.
Description
Technical field:
The utility model relates to a kind of intelligent environment visual monitor system that indoor various environmental index (light intensity, temperature, humidity, coal gas, rock gas, formaldehyde, smokescope) are detected.In the zonule, use bluetooth module to transmit data, realize visual, the audio alert of figure line of index to the computer terminal.
Background technology:
At present, household alarm on the market is to use certain specific environment index of certain sensor acquisition, and when the output overrun of sensor, it is unusual that indicating equipments such as hummer send the alerting signal prompting.Just need to be equipped with different alarms if need simultaneously more than one index detected, this moment is when giving the alarm, and will possibly can't judge immediately what index is unusual and misses and take best opportunity of accurately getting rid of the danger.The general alarm device has only just indication when index exceeds normal value, can't know the desired value under the normal condition, situation of change that can not record case after unusual the generation, and can't take preventive measures according to detecting data.
And some can show the acquisition system of index value, the normal employing of short-range data transmission wire communication.But, adopt data line to transmit and need connect up in advance and the acquisition system stationkeeping, if it is very inconvenient to want that environmental index to each room detects then single acquisition system.
Summary of the invention:
Single in order to solve existing alarm detection index, the currency that can not graphically show each index simultaneously, can not distinguish fast when many alarms are installed and take place which unusual index is, and the relatively-stationary shortcoming in existing acquisition system position, the utility model provides a kind of domestic intelligent environmental index visual monitor system.
The utility model adopts following technical scheme:
Native system comprises some sensors, AD conversion chip, control chip, data transmission module (bluetooth built-in wireless Web transport module), computer terminal; It is characterized in that: described each sensor links to each other with control chip respectively through the AD conversion chip, and the serial line interface of control chip connects bluetooth built-in wireless Web transport module.
Described some sensors are respectively light intensity sensors, temperature sensor, and humidity sensor, gas sensor, sensor of natural gas, formaldehyde sensor, smoke transducer are realized many environmental index monitoring.
1, humidity sensor adopts the linear Integrated humidity sensor, and its output voltage signal is directly delivered to the AD conversion chip;
2, temperature sensor adopts the PTC thermistor, and its output voltage signal amplifies after testing delivers to the AD conversion chip;
3, light intensity sensor adopts the linear Integrated light sensor, and its output voltage signal is delivered to the AD conversion chip through filtering;
4, gas sensor adopts the linear Integrated gas sensor, and its output voltage signal is delivered to the AD conversion chip;
5, sensor of natural gas adopts the linear Integrated sensor of natural gas, and its output voltage signal is delivered to the AD conversion chip;
6, formaldehyde sensor adopts the linear Integrated formaldehyde sensor, and its output voltage signal is delivered to the AD conversion chip;
7, smoke transducer adopts the linear Integrated smoke transducer, and its output voltage signal is delivered to the AD conversion chip.
When native system uses,, can realize indoor all-environment real-time monitoring and warning with bluetooth module and computer terminal communication.
Compared with prior art, the utlity model has following advantage:
1, integrated level height.The utility model can detect seven road ambient signals, and with present family expenses smoke alarm, fuel gas alarm, formaldehyde detecting device, thermometer etc. are integrated in the same instrument, and structure is more compact, and the internal resource time-sharing multiplex has improved cost performance.Sensor adopts integrated linear transducer mostly, stable performance, and sensing range is wide, and tested measurement is had good sensitivity.
2, add control chip, instrument realizes intelligent.Single-chip microcomputer is controlled testing process, finishes the conversion of voltage digital amount to corresponding index digital value, and data transmission is carried out in order.
3, short-distance wireless data transmission.Adopt serial communication,, realize bidirectional data transfers with bluetooth module and dataphone, computer can with the communication of a plurality of collection acquisition system.
4, support portable data transmission.Two kinds of power supply modes, 220V civil power and 9V battery.When adopting the 9V powered battery, acquisition system can the mobile collection data.
Description of drawings:
Fig. 1 is seven sensor wiring diagrams; Wherein: Fig. 1 .1, humidity sensor, Fig. 1 .2, temperature sensor, Fig. 1 .3, light sensor, Fig. 1 .4, gas sensor, Fig. 1 .5, sensor of natural gas, Fig. 1 .6, formaldehyde sensor, Fig. 1 .7, smoke transducer.
Fig. 2 is the circuit diagram that the AD conversion chip links to each other with control chip; Wherein: U1 is control chip (single-chip microcomputer), and U2 is the AD conversion chip, and U6A, U6B are D-latchs.
Fig. 3 is the wiring diagram of bluetooth module; Wherein: U10 RS-232 Bus Interface Chip, U9 are bluetooth built-in wireless Web transport modules.
Fig. 4 is the wiring diagram of two kinds of power supply modes of native system alternating current-direct current.
Fig. 5 is the program flow chart of control chip.
Fig. 6 is the program flow chart of computer terminal.
Fig. 7 is the structured flowchart of the utility model domestic intelligent environmental index visual monitor system.
Embodiment:
The utility model will be further described below in conjunction with accompanying drawing and example:
As shown in Figure 7, domestic intelligent environmental index visual monitor system, comprise light intensity sensor, temperature sensor, humidity sensor, gas sensor, sensor of natural gas, formaldehyde sensor, smoke transducer, AD conversion chip, control chip, data transmission module (bluetooth built-in wireless Web transport module), computer terminal; Described each sensor links to each other with control chip respectively through the AD conversion chip, and control chip serial communication end is connected to bluetooth built-in wireless Web transport module (abbreviation bluetooth module) through the RS-232 level translator.
As shown in Figure 1, humidity sensor uses the linear Integrated humidity sensor, and the AD conversion chip is directly delivered in output; Temperature sensor uses the PTC thermistor, amplifies after testing and delivers to the AD conversion chip; Light intensity sensor uses the linear Integrated light sensor, and output signal is delivered to the AD conversion chip through filtering; Gas sensor uses the linear Integrated gas sensor, and output voltage signal is delivered to the AD conversion chip; Sensor of natural gas uses the linear Integrated sensor of natural gas, and output voltage signal is delivered to the AD conversion chip; Formaldehyde sensor uses the linear Integrated formaldehyde sensor, and output voltage signal is delivered to the AD conversion chip; Smoke transducer uses the linear Integrated smoke transducer, and output voltage signal is delivered to the AD conversion chip.
Except that temperature sensor, all adopt the linear Integrated sensor among Fig. 1.Temperature sensor constitutes the precise temperature measurement circuit with PTC thermistor (RT1) as the environment temperature sensitive element.U3A, U3B, U3C are low drift, high cmrr operational amplifier.R2 ~ 4 and RT1 are bridge detection circuit, and AD589 is the 1.235V precision voltage source, forms the 200uA constant current source with U3A, constant current source electric current mean allocation to two arms of electric bridge, bridge balance in the time of 0 ℃, voltage is zero between A, the B.During temperature variation, the RT1 resistance changes, the electric bridge out of trim, and output voltage V ab between A, the B, U3B, U3C form instrumentation amplifier, work as R7=R9, and during R8=R10, the output voltage of amplifier is Vo=(1+R8/R7) Vab.
The clock signal of AD conversion chip (U2) is taken from four frequency divisions of single-chip microcomputer (U1) ALE among Fig. 2, and D-latch (U6A, U6B) is formed divide by four circuit.P2.0 ~ P2.2 is a channel selecting, P2.3 is a chip selection signal, what the START that write signal WR and P2.3 form and ALE were used as the AD conversion chip uses address selection and enabling signal, and the OE of read signal RD and P2.3 composition generation reads transformation result when reading as a result.Under the control of single-chip microcomputer, the AD conversion chip converts 7 tunnel simulating signals of outside to 8 position digital signals respectively and delivers to single-chip microcomputer P0 mouth, and resolution reaches 1/256.The single-chip microcomputer internal processes is corresponding with desired value with 8 bit digital voltage signals, and 8 bit digital desired values are sent through serial ports P3.1.
The serial signal RXD and the TXD that send from single-chip microcomputer (U1) among Fig. 3 need be converted to Transistor-Transistor Logic level and computer serial communication through RS232 level translator (U10).C11, C14, C15, C13 are electrochemical capacitor, are that internal electric source is changed required electric capacity, and C12 is a decoupling capacitor.The serial signal that is converted to Transistor-Transistor Logic level is delivered to UART_TXD, the UART_RXD end of bluetooth module (U9).Represent to match during state LED lamp stroboscopic state on the module, normal bright expression pairing finishes, and this moment, serial port function started.
When adopting the 220V mains-supplied among Fig. 4, descend through transformer T1 magnitude of voltage.Alternating current after the step-down obtains DC voltage through rectification circuit (D1) and filtering circuit (C10), obtains stable 5V DC voltage VCC2 through voltage stabilizer (LM1) again.The effect of capacitor C 6 is to offset input lead induction reactance, eliminates self-excitation.The effect of capacitor C 8 is output noises, particularly high frequency noise of eliminating integrated regulator.When selecting the 9V powered battery for use, the 9V DC voltage directly inserts LM1, obtains galvanic current through voltage stabilizer (LM1) and presses VCC1.
The AD conversion chip adopts 8 general AD conversion chips all can meet the demands.Here select for use ADC0809 to be illustrated, ADDA/B/C is connected with the P2.0/1/2 end, by the Single Chip Microcomputer (SCM) program selection is current which road simulating signal is carried out the AD conversion.All the other control signals are also produced by single-chip microcomputer.
The utility model is selected the control chip of ATMEL single-chip microcomputer as system for use.The function of chip microcontroller comprises the control of AD chip, 8 position digital signals of reception and the output of temporary AD conversion chip, serial communication etc.
Data transmission module is converted to Transistor-Transistor Logic level with the RXD of serial port of single chip computer and TXD signal through the RS232 level translator and is connected to bluetooth module, uses Bluetooth adapter to realize that the data in 10 meters transmit with computer.7 kinds of corresponding 7 addresses of sensor are sent out the address earlier and are sent out data again, confirm to continue after correct signal is received in the computer terminal.
External communication is carried out by Bluetooth adapter in the computer terminal, uses LABVIEW to carry out programming Control.At first verification is carried out in the address that receives, if correctly then continue, mistake is then retransmitted; By the corresponding storage area of address selection that receives, receive data then, deposit in after verification is correct, and, draw change curve getting ready on corresponding figure line with the address.By change curve, can be clear that the currency and the variation tendency of index, to the variation of environment quantitative understanding can be arranged.When having hidden danger in the environment, the curve that can contrast under this place normal condition is familiar with in advance to some extent, handles the generation that will avoid danger or abnormal conditions ahead of time.
When abnormal conditions took place, the desired value of some sensor exceeded normal range, play corresponding voice document and pointed out and take treatment measures.During the processing,, thereby still can grasp the situation of change of index because of computer is supported multitask running.Voice suggestion will repeat to stop to play voice document after desired value is got back to normal range once more always.
The power supply of system can be adopted the 220V civil power, also can adopt the 9V battery.Using support mobile data collection under the 9V battery powered mode.
Claims (1)
1. domestic intelligent environmental index visual monitor system, comprise light intensity sensor, temperature sensor, humidity sensor, gas sensor, sensor of natural gas, formaldehyde sensor, smoke transducer, AD conversion chip, control chip, bluetooth built-in wireless Web transport module; It is characterized in that: described each sensor links to each other with control chip respectively through the AD conversion chip, and the serial line interface of control chip connects bluetooth built-in wireless Web transport module;
Described humidity sensor adopts the linear Integrated humidity sensor, and its output voltage signal is directly delivered to the AD conversion chip;
Described temperature sensor adopts the PTC thermistor, and its output voltage signal amplifies after testing delivers to the AD conversion chip;
Described light intensity sensor adopts the linear Integrated light sensor, and its output voltage signal is delivered to the AD conversion chip through filtering;
Described gas sensor adopts the linear Integrated gas sensor, and its output voltage signal is delivered to the AD conversion chip;
Described sensor of natural gas adopts the linear Integrated sensor of natural gas, and its output voltage signal is delivered to the AD conversion chip;
Described formaldehyde sensor adopts the linear Integrated formaldehyde sensor, and its output voltage signal is delivered to the AD conversion chip;
Described smoke transducer adopts the linear Integrated smoke transducer, and its output voltage signal is delivered to the AD conversion chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202563848U CN201532374U (en) | 2009-11-20 | 2009-11-20 | Household intelligent environment index visual monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202563848U CN201532374U (en) | 2009-11-20 | 2009-11-20 | Household intelligent environment index visual monitoring system |
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| Publication Number | Publication Date |
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| CN201532374U true CN201532374U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202563848U Expired - Fee Related CN201532374U (en) | 2009-11-20 | 2009-11-20 | Household intelligent environment index visual monitoring system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235540A (en) * | 2013-05-07 | 2013-08-07 | 东北农业大学 | Multi-source information sensing equipment for animal house environment |
| CN103616047A (en) * | 2013-11-30 | 2014-03-05 | 中北大学 | Domestic intelligent environment and safety information warning monitor |
| CN104009782A (en) * | 2013-02-27 | 2014-08-27 | 河北省电力公司电力科学研究院 | Bluetooth wireless communication transmission system and method based on portal terminal |
| CN104009781A (en) * | 2013-02-27 | 2014-08-27 | 河北省电力公司电力科学研究院 | Wireless Bluetooth adapter suitable for portable terminal |
| CN104950958A (en) * | 2015-04-30 | 2015-09-30 | 武汉光谷北斗控股集团有限公司 | Intelligent environment monitoring system |
| CN106324193A (en) * | 2016-08-15 | 2017-01-11 | 广东欧珀移动通信有限公司 | Control method and device for detecting air quality and mobile terminal |
| CN106568516A (en) * | 2016-11-08 | 2017-04-19 | 广西大学 | Thermometer |
| CN107246894A (en) * | 2017-06-01 | 2017-10-13 | 郑州云海信息技术有限公司 | A kind of environmental monitoring system and method |
-
2009
- 2009-11-20 CN CN2009202563848U patent/CN201532374U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009782A (en) * | 2013-02-27 | 2014-08-27 | 河北省电力公司电力科学研究院 | Bluetooth wireless communication transmission system and method based on portal terminal |
| CN104009781A (en) * | 2013-02-27 | 2014-08-27 | 河北省电力公司电力科学研究院 | Wireless Bluetooth adapter suitable for portable terminal |
| CN104009781B (en) * | 2013-02-27 | 2016-04-20 | 国网河北省电力公司电力科学研究院 | A kind of wireless Bluetooth adapter being applicable to portable terminal device |
| CN103235540A (en) * | 2013-05-07 | 2013-08-07 | 东北农业大学 | Multi-source information sensing equipment for animal house environment |
| CN103616047A (en) * | 2013-11-30 | 2014-03-05 | 中北大学 | Domestic intelligent environment and safety information warning monitor |
| CN104950958A (en) * | 2015-04-30 | 2015-09-30 | 武汉光谷北斗控股集团有限公司 | Intelligent environment monitoring system |
| CN106324193A (en) * | 2016-08-15 | 2017-01-11 | 广东欧珀移动通信有限公司 | Control method and device for detecting air quality and mobile terminal |
| CN106324193B (en) * | 2016-08-15 | 2018-05-18 | 广东欧珀移动通信有限公司 | A kind of control method, device and mobile terminal for detecting air quality |
| CN106568516A (en) * | 2016-11-08 | 2017-04-19 | 广西大学 | Thermometer |
| CN107246894A (en) * | 2017-06-01 | 2017-10-13 | 郑州云海信息技术有限公司 | A kind of environmental monitoring system and method |
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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: 20100721 Termination date: 20101120 |