CN206773891U - A kind of household indoor environment monitoring system - Google Patents
A kind of household indoor environment monitoring system Download PDFInfo
- Publication number
- CN206773891U CN206773891U CN201720581536.6U CN201720581536U CN206773891U CN 206773891 U CN206773891 U CN 206773891U CN 201720581536 U CN201720581536 U CN 201720581536U CN 206773891 U CN206773891 U CN 206773891U
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- China
- Prior art keywords
- operational amplifier
- zigbee
- resistance
- monitoring system
- indoor environment
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Abstract
The utility model discloses a kind of household indoor environment monitoring system, including host computer, Zigbee module, Zigbee telegons, Zigbee terminals, signal conditioning circuit, LCD MODULE, button, power supply, desk lamp, alarm, Temperature Humidity Sensor, gas sensor, light sensor.The utility model is simple in construction, cost is cheap, easy to use；It can realize that multi-point dispersion monitors, each control point service life length, it is difficult to solve the problems, such as that room connects up more and between room by Zigbee wireless connectings；Zigbee terminal costs are low, small volume, can be arbitrarily distributed in working region；The signal conditioning circuit strong antijamming capability of use, it is quick on the draw, can realizes and small-signal is amplified and the distortion factor is low, further increase the acquisition precision of signal.
Description
Technical field
It the utility model is related to smart home environment monitoring technical field, more particularly to a kind of household indoor air chemical pollution system
System.
Background technology
With the development in epoch, scientific and technological progress, people to living environment it is comfortable, conveniently, safely have it is more and more high
Requirement, intelligent home control system arises at the historic moment；Intelligent home control system is exactly to utilize computer technology, communication and control
Technology, establish one management family control system, realize living environment conveniently, safely, comfortable target.Wireless sensor network
A kind of wireless telecommunications computer network that the automatics that network is distributed in space by many forms, it is a kind of extensive, nothing
Line, self-organizing, multi-hop, the network supported without subregion, foundation-free facility.
Intelligent domestic system has certain development, but as a whole, but allows of no optimist.The construction of home intelligence is
Economic development and the inexorable trend of scientific and technological progress, but the polytropy of standard have impact on the process of home intelligence.Traditional intelligence
Can house control system be all to utilize telephone network or internet mostly, this require subscriber household must install fixed phone or
Person internet, many inconvenience are caused to user, due also to circuit is easily destroyed, this all hinders intelligent home control system development
Development.
Utility model content
The utility model is for the defects of overcoming above-mentioned prior art problem, there is provided based on a kind of Zigbee wireless sense networks
The household indoor environment monitoring system of network, the monitoring system is simple in construction, cost is cheap, easy to use；Multiple spot point can be realized
Monitoring is dissipated, each control point service life length, it is difficult to solve the problems, such as that room connects up more and between room by wireless connecting.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of household indoor environment monitoring system, including host computer, Zigbee module, Zigbee telegons, Zigbee are whole
End, Temperature Humidity Sensor, gas sensor, light sensor, LCD MODULE, button, power supply, desk lamp, alarm, it is described
Host computer is connected by USB interface with Zigbee module, and the Zigbee module is connected with Zigbee telegons, the Zigbee
Telegon is connected with one or more Zigbee terminal wireless, the Temperature Humidity Sensor, gas sensor, light sensor,
LCD MODULE, button, power supply, desk lamp, alarm are connected with Zigbee terminals respectively for the peripheral circuit of Zigbee terminals.
Further, the peripheral circuit of the host computer includes serial communication modular.
Further, the serial communication module includes FT232RL interface conversion chips.
Further, the LCD MODULE is the very color LCD modules of TFT.
Further, the Temperature Humidity Sensor is DHT11 digital hygro sensors.
Further, the gas sensor is MQ-2 gas sensors.
Further, the Zigbee terminals include microprocessor.
Further, the microprocessor is CC2530 modules.
Further, the signal conditioning circuit include operational amplifier U1, operational amplifier U2, operational amplifier U3,
Electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5；Sampled signal is by resistance R1, electricity
It is connected after resistance R2 with operational amplifier U1 in-phase input end, operational amplifier U1 inverting input is grounded by electric capacity C1,
Operational amplifier U1 output end is connected after electric capacity C2 with resistance R1, resistance R2；Operational amplifier U1 output end also passes through
The in-phase input end that resistance R3 is crossed with operational amplifier U2 is connected, and operational amplifier U2 inverting input is connect by resistance R4
Ground, operational amplifier U2 inverting input are also connected by resistance R5 with operational amplifier U2 output end；Operational amplifier
U2 output end is connected with operational amplifier U3 in-phase input end, operational amplifier U3 inverting input and operational amplifier
U3 output end is connected, and operational amplifier U3 output end is grounded by electric capacity C3.
Further, the operational amplifier U1, operational amplifier U3 are that amplifier LM324, the operational amplifier U2 are
Amplifier 0P07.
The beneficial effects of the utility model：A kind of household indoor environment monitoring system, it is simple in construction, cost is cheap, use
It is convenient；It can realize that multi-point dispersion monitors, each control point service life length, it is more to solve room by Zigbee wireless connectings
And the problem of difficult is connected up between room；Zigbee terminal costs are low, small volume, can be arbitrarily distributed in working region；Using
Signal conditioning circuit strong antijamming capability, be quick on the draw, can realize and small-signal is amplified and the distortion factor is low, be entered
One step improves the acquisition precision of signal.
Brief description of the drawings
Fig. 1 is the utility model Fundamentals of Supervisory Systems block diagram；
Fig. 2 is signal conditioning circuit diagram.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
When it is implemented, with reference to Fig. 1, a kind of household indoor environment monitoring system, including host computer, Zigbee module,
It is Zigbee telegons, Zigbee terminals, signal conditioning circuit, LCD MODULE, button, power supply, desk lamp, alarm, warm and humid
Spend sensor, gas sensor, light sensor.Host computer is connected by USB interface with Zigbee module, Zigbee module with
Zigbee telegons are connected, and Zigbee telegons are connected with one or more Zigbee terminal wireless.Signal conditioning circuit, liquid crystal
Display module, button, power supply, desk lamp, alarm are connected with Zigbee terminals respectively for the peripheral circuit of Zigbee terminals.It is warm and humid
Degree sensor, gas sensor, light sensor are connected with signal conditioning circuit respectively.
Host computer can be notebook computer or desktop computer, and host computer can carry out remote control to Zigbee terminals.Cause
Seldom retain serial UART interface on computers to be existing, the peripheral circuit of host computer includes serial communication modular, serial communication
Module includes FT232RL interface conversion chips.LCD MODULE is the very color LCD modules of TFT, can be used for showing that gas is dense
Degree, humiture and intensity of illumination.Sampling of the signal conditioning circuit to Temperature Humidity Sensor, gas sensor, light sensor
Signal is handled, and the sampled signal after processing gives Zigbee terminals.Can be whole with manually operated Zigbee by button
End.Zigbee terminals sense extraneous intensity of illumination according to light sensor, the brightness of Intelligent adjustment desk lamp, can not only improve room
Comfort inside, and the energy can be saved.Alarm is used for sending alarm signal, when indoor gas concentration over-standard, Zigbee are whole
End control alarm alert.Power supply is used for providing electric energy for Zigbee terminals.
Zigbee network includes Zigbee telegons, Zigbee module and Zigbee terminals, and Zigbee network is by one
Zigbee telegons, a Zigbee module and one or more Zigbee terminals composition.Zigbee telegons are responsible for starting whole
Individual network, it is also first equipment of network, and telegon selects a channel and a network ID, the whole net of subsequent start-up
Network.The function of Zigbee module mainly allows other equipment to add network, and multihop routing is supplied with assistance its own by battery
The communication of the terminal device of electricity.Zigbee terminals without specifically maintain network structure responsibility, it can sleep or wake up,
Do not possess the ability as father node or router, generally as the edge device of network, be responsible for the monitored object phase with reality
Even.Zigbee terminals include microprocessor, and microprocessor is CC2530 modules.CC2530 applies to IEEE 802.15.4,
Zigbee network, it can build powerful network node with low-down overall material cost, and CC2530, which is combined, to be led in the industry
First RF transceiver and enhanced 8051MCU, may be programmed 8KB RAM and other many powers, be adapted to needs ultralow
The system of power consumption.
Temperature Humidity Sensor uses DHT11 digital hygro sensors, and DHT11 digital hygro sensors are containing school
The humiture compound sensor of quasi- data signal output, the digital module acquisition technique and temperature and humidity sensing skill of its application specific
Art, it is ensured that product has high reliability and remarkable long-time stability, has quality brilliance, super fast response, anti-interference energy
The advantages that power is strong, cost performance is high.
Gas sensor uses MQ-2 gas sensors, MQ-2 gas sensor high sensitivity, excellent stability, life-span
Long, drive circuit is simple, available for family's gas leakage monitor, is suitable for the spy of liquefied gas, methane, alcohol, smog etc.
Survey.
With reference to Fig. 2, signal conditioning circuit includes operational amplifier U1, operational amplifier U2, operational amplifier U3, electric capacity
C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5.Temperature Humidity Sensor, gas sensor,
The sampled signal of light sensor is connected after resistance R1, resistance R2 with operational amplifier U1 in-phase input end, and computing is put
Big device U1 inverting input by electric capacity C1 ground connection, operational amplifier U1 output end after electric capacity C2 with resistance R1, electricity
Resistance R2 is connected.Operational amplifier U1 output end is also connected by resistance R3 with operational amplifier U2 in-phase input end, computing
Amplifier U2 inverting input is grounded by resistance R4, and operational amplifier U2 inverting input also passes through resistance R5 and computing
Amplifier U2 output end is connected.Operational amplifier U2 output end is connected with operational amplifier U3 in-phase input end, computing
Amplifier U3 inverting input is connected with operational amplifier U3 output end, and operational amplifier U3 output end passes through electric capacity C3
Ground connection.Operational amplifier U1, operational amplifier U3 can be amplifier LM324, and operational amplifier U2 can be amplifier 0P07.Signal
Modulate circuit is made up of three-level amplifier, and preceding two stage amplifer forms voltage amplifier circuit, can not only realize sampled voltage signal
Amplification, and the interference of high-frequency signal can be filtered out, third level amplifier is voltage follow unit, plays buffering and buffer action.
The utility model use signal conditioning circuit strong antijamming capability, be quick on the draw, can realize small-signal is amplified,
And the distortion factor is low, the acquisition precision of signal is further increased.
The utility model is simple in construction, cost is cheap, easy to use；It can realize that multi-point dispersion monitors, each control point leads to
Cross Zigbee wireless connectings, service life length；Zigbee terminal costs are low, small volume, can be arbitrarily distributed in working region；
The signal conditioning circuit strong antijamming capability of use, it is quick on the draw, can realizes and small-signal is amplified and the distortion factor
It is low, further increase the acquisition precision of signal.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New spirit and scope are defined.On the premise of the utility model design conception is not departed from, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, the scope of protection of the utility model all should be dropped into.
Claims (10)
- A kind of 1. household indoor environment monitoring system, it is characterised in that：Including host computer, Zigbee module, Zigbee telegons, Zigbee terminals, signal conditioning circuit, LCD MODULE, button, power supply, desk lamp, alarm, Temperature Humidity Sensor, gas Sensor, light sensor, the host computer are connected by USB interface with Zigbee module, the Zigbee module with Zigbee telegons are connected, and the Zigbee telegons are connected with one or more Zigbee terminal wireless, the signal condition Circuit, LCD MODULE, button, power supply, desk lamp, alarm for Zigbee terminals peripheral circuit respectively with Zigbee terminals It is connected, the Temperature Humidity Sensor, gas sensor, light sensor are connected with signal conditioning circuit respectively.
- 2. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The periphery of the host computer Circuit includes serial communication modular.
- 3. according to a kind of household indoor environment monitoring system described in claim 2, it is characterised in that：The serial communication module Including FT232RL interface conversion chips.
- 4. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The LCD MODULE For the very color LCD modules of TFT.
- 5. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The Temperature Humidity Sensor For DHT11 digital hygro sensors.
- 6. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The gas sensor is MQ-2 gas sensors.
- 7. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The Zigbee terminals bag Include microprocessor.
- 8. according to a kind of household indoor environment monitoring system described in claim 7, it is characterised in that：The microprocessor is CC2530 modules.
- 9. according to a kind of household indoor environment monitoring system described in claim 1, it is characterised in that：The signal conditioning circuit Including operational amplifier U1, operational amplifier U2, operational amplifier U3, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5；In-phase input end of the sampled signal after resistance R1, resistance R2 with operational amplifier U1 It is connected, operational amplifier U1 inverting input is grounded by electric capacity C1, and operational amplifier U1 output end is after electric capacity C2 It is connected with resistance R1, resistance R2；Operational amplifier U1 output end is also by resistance R3 and operational amplifier U2 homophase input End is connected, and operational amplifier U2 inverting input is grounded by resistance R4, and operational amplifier U2 inverting input also passes through Resistance R5 is connected with operational amplifier U2 output end；Operational amplifier U2 output end and operational amplifier U3 homophase input End is connected, and operational amplifier U3 inverting input is connected with operational amplifier U3 output end, operational amplifier U3 output End is grounded by electric capacity C3.
- 10. according to a kind of household indoor environment monitoring system described in claim 9, it is characterised in that：The operational amplifier U1, operational amplifier U3 are that amplifier LM324, the operational amplifier U2 are amplifier 0P07.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581536.6U CN206773891U (en) | 2017-05-24 | 2017-05-24 | A kind of household indoor environment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720581536.6U CN206773891U (en) | 2017-05-24 | 2017-05-24 | A kind of household indoor environment monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206773891U true CN206773891U (en) | 2017-12-19 |
Family
ID=60638890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720581536.6U Expired - Fee Related CN206773891U (en) | 2017-05-24 | 2017-05-24 | A kind of household indoor environment monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206773891U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961677A (en) * | 2018-08-13 | 2018-12-07 | 吉林大学 | Empty nest elderly life monitor system based on the distribution of water power amount |
| CN110635811A (en) * | 2019-05-31 | 2019-12-31 | 杭州电子科技大学 | Circuit of ship main shaft multi-parameter online detection wireless transmitting device |
| CN111142173A (en) * | 2018-11-02 | 2020-05-12 | 江西斯源科技有限公司 | ZigBee-based natural environment monitoring device for high-speed train operation |
| CN113533448A (en) * | 2021-06-21 | 2021-10-22 | 北京机械设备研究所 | Gas sensor testing system, testing method and upper computer |
-
2017
- 2017-05-24 CN CN201720581536.6U patent/CN206773891U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961677A (en) * | 2018-08-13 | 2018-12-07 | 吉林大学 | Empty nest elderly life monitor system based on the distribution of water power amount |
| CN111142173A (en) * | 2018-11-02 | 2020-05-12 | 江西斯源科技有限公司 | ZigBee-based natural environment monitoring device for high-speed train operation |
| CN110635811A (en) * | 2019-05-31 | 2019-12-31 | 杭州电子科技大学 | Circuit of ship main shaft multi-parameter online detection wireless transmitting device |
| CN110635811B (en) * | 2019-05-31 | 2021-09-07 | 杭州电子科技大学 | Circuit of ship main shaft multi-parameter online detection wireless transmitting device |
| CN113533448A (en) * | 2021-06-21 | 2021-10-22 | 北京机械设备研究所 | Gas sensor testing system, testing method and upper computer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |