CN102799165A - Safe and energy-saving monitoring terminal for household power and gas consumption - Google Patents

Safe and energy-saving monitoring terminal for household power and gas consumption Download PDF

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Publication number
CN102799165A
CN102799165A CN2012102942643A CN201210294264A CN102799165A CN 102799165 A CN102799165 A CN 102799165A CN 2012102942643 A CN2012102942643 A CN 2012102942643A CN 201210294264 A CN201210294264 A CN 201210294264A CN 102799165 A CN102799165 A CN 102799165A
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CN
China
Prior art keywords
interface
relay
module
sensor
energy
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CN2012102942643A
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Chinese (zh)
Inventor
陈善荣
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吉首大学
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Priority to CN2012102942643A priority Critical patent/CN102799165A/en
Publication of CN102799165A publication Critical patent/CN102799165A/en

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Abstract

The invention provides a safe and energy-saving monitoring terminal for household power and gas consumption. A liquefied gas sensor and a carbon monoxide sensor of the safe and energy-saving monitoring terminal are used for detecting harmful gases in a room and automatically controlling an exhaust fan to work, so as to exhaust the harmful gases; when the harmful gases can be still detected after the exhaust is continued for a period of time, the alarm is realized in sound, light and mobile phone short message ways; the work of a relay connected to an air conditioner and a socket and a power supply of the relay can be controlled in a keyboard-input, infrared remote control or mobile phone short message way; when doors and windows are opened, a power supply of the air conditioner is automatically closed by detecting a door/window magnetic control switch, so that the effect of saving energy is achieved; an LCD (Liquid Crystal Display) is used for displaying the states of each switch, each relay and each sensor in a liquid crystal way so as to bring convenience for observation and operation; and the states of each sensor, each switch and each relay can be remotely queried to learn the conditions in the house and the work of the relay can be remotely controlled in the mobile phone short message way.

Description

A kind of household electricity, with gas energy-saving safe monitor terminal

Technical field

The present invention relates to control and remote control technology field automatically, specifically is the indoor liquefied gas of a kind of monitoring, carbon monoxide harmful gas concentration, door, window on off state, automatically the control technology of the power supply of control and Long-distance Control vent fan, air-conditioning, socket.

Background technology

It is ripe that the MQ series sensor is applied to monitoring harmful gases, sensor network or wireless sensor network that the existing RS-485 of combination bus is formed; Make a phone call or send technology that note realizes Long-distance Control also in develop rapidly through mobile phone, it is ripe that this technology has become, existingly realizes the technology of Long-distance Control through mobile phone, like the mobile phone remote apparatus to cause bursting etc.; Existing residential quarter supervisory system mostly adopts the networking of RS-485 bus; Realize gate control system and video monitoring etc.; Because it is at most 128 or 32 restriction that there is the equipment linking number in the RS-485 bus transceiver; The networking equipment number surpasses when this is counted need increase the RS-485 hub, has increased the difficulty of cost and wiring; The MBUS bussing technique is a kind of novel; The serial communication bus technology that aims at water, gas, hotlist and design; Because its signal of communication voltage is high, and adopt the current delivery technology, have very strong antijamming capability; Can be on bus carry more than 1000 number of devices, compare the RS-485 bussing technique and have more advantage.

Safety utilization of electric power, be the great fire fighting problem that family faces with gas always; When particularly having only old man and child to be in; Because their awareness of safety is not enough, possibly cause gas leak, burns charcoal winter, burn the coal heating and possibly produce harmful gases such as carbon monoxide; Or the electricity consumption pyrogenicity of warming oneself by a fire, turn on the aircondition; The refrigeration etc. of turning on the aircondition summer causes the consumer long-play, is easy to cause catastrophic consequence, has higher utility to household electricity, the automatic control and the long distance control system that design with gas.My another application number is 201210257258.0 patent of invention; To the existing detailed technology route of RS-232/MBUS bus repeaters; Can adopt should invention, gsm module or PC and the present invention constitutes household electricity, with gas energy-saving safe long distance control system; Method is: gsm module or PC connect this invention through the RS-232 bus, and this invention connects the present invention through the MBUS bus again, can form through the long distance control system of mobile phone short messages monitoring with control.

Summary of the invention

The purpose of this invention is to provide a kind of automatic control and long distance control system that is directed against household electricity, designs with gas safety, the technology path that the present invention adopts is:

A kind of household electricity, with gas energy-saving safe monitor terminal; Be to be core with microcontroller MCU, the forward direction input channel is by the keyboard load module, the infrared remote control receiver module; Liquefied gas sensor, carbon monoxide transducer group interface, door, window magnetic switch group interface are formed; The back to output channel by sound, light alarm module, the LCD12864 liquid crystal display device module, relay group output interface is formed; Communication channel is made up of MBUS equipment interface circuit; Power supply is made up of 220V/12V, 5V power module.Microcontroller MCU has two-way asynchronous serial communication port, is the core that is used to realize control automatically and Long-distance Control.The keyboard of forward direction input channel is used for manual input of control commands: the function of following inspection of disconnection or closing relay, the state that reads liquefied gas sensor, carbon monoxide transducer, the state that reads the magnetic switch group, actuating equipment respectively.The infrared remote control receiver module receives the command code from IR remote controller, realizes carrying out and keyboard input command identical functions.Liquefied gas sensor, carbon monoxide transducer group interface are used to be mounted on liquefied gas, the carbon monoxide harmful gas sensor in kitchen, parlor etc.; Be used for the harmful gas in the sensing chamber, when harmful gas concentration meets or exceeds the thresholding of setting, change the sensor status amount; Microcontroller MCU can read this quantity of state; And carry out automatic control command, and realize breaking off or connecting the relay that connects vent fan, get rid of indoor harmful gas automatically.The door, window magnetic switch group interface be used to detect the window in the room that air-conditioning has been installed and register one's residence the door on off state; Under the situation that window or entry door are opened for a long time; Microcontroller MCU breaks off the power supply of this road air-conditioning; With guarantee this air-conditioning equipment not long-play cause waste of energy, or make the equipment overload operation and cause security incident.The back is used for providing equipment operation unusual information warning to indoor occupant to sound, the light alarm module of output channel, so that in time handle.The LCD12864 liquid crystal display device module is used to show the on off state and the operation prompt information of each sensor status, each relay.Relay group output interface comprises that at least one road is connected to air-conditioning, at least one road is connected to socket and at least one road is connected to vent fan, is used to control the power supply of air-conditioning, socket and vent fan.It is 201210257258.0 RS-232/MBUS bus repeaters that the MBUS equipment interface circuit of communication channel is used to connect application number; Realization is communicated by letter with host computer; Receive the control command of host computer; Carried out and should be ordered by microcontroller MCU, and return the data of host computer request, host computer can be the gsm module or the PC of band RS-232 serial communication interface; Whether host computer can surpass states such as thresholding through opening, door, window magnetic switch group on off state, liquefied gas sensor, the carbon monoxide transducer group concentration that the mode of SMS is inquired about on off state, the audible-visual annunciator of relay group, realizes remote monitoring; Host computer also can turn-off each relay respectively, close audible-visual annunciator through the mode of SMS, realizes Long-distance Control.220V/12V, 5V power supply, wherein 12V is used for the power supply of sensor network, electromagnetic coil relay, and wherein 5V is used for the power supply of microcontroller MCU, LCD12864 LCD MODULE, magnetic switch, sound, light alarm module, infrared receiving module.

Described keyboard load module, the infrared remote control receiver module, door, window magnetic switch group interface, sound, light alarm module, LCD12864 liquid crystal display device module, relay group output interface are connected respectively to the general I/O pin of described microcontroller MCU; Described MBUS equipment interface circuit is connected to input, the output pin of the asynchronous serial communication interface of described microcontroller MCU; Described liquefied gas sensor, carbon monoxide transducer group interface are connected to input, the output pin of another asynchronous serial communication interface of described microcontroller MCU; Described liquefied gas sensor, carbon monoxide transducer group interface are the RS-485 EBI.

Description of drawings

Fig. 1 is household electricity, with gas energy-saving safe monitor terminal inner structure block diagram.

Embodiment

Describe below in conjunction with the accompanying drawing specific embodiments of the invention:

Among Fig. 1,1 is MBUS equipment interface circuit, and can select with the TSS721A integrated circuit is that core is formed this circuit, and the TSS721A integrated circuit is connected to the first via asynchronous serial communication port of microcontroller MCU.Make the TSS721A integrated circuit work in the external power source pattern, working current is made as 12mA, and each component parameters can be used the parameter in its databook.It is 201210257258.0 RS-232/MBUS bus repeaters that MBUS equipment interface circuit is connected to application number through a pair of twisted-pair feeder; The RS-232/MBUS bus repeaters is connected to host computer through the RS-232 bus again, and host computer can be the gsm module or the PC of band RS-232 interface.Whether host computer can surpass states such as thresholding through opening, door, window magnetic switch group on off state, liquefied gas sensor, the carbon monoxide transducer group concentration that the mode of SMS is inquired about on off state, the audible-visual annunciator of relay group, realizes remote monitoring; Host computer also can turn-off each relay respectively, close audible-visual annunciator through the mode of SMS, realizes Long-distance Control.

Among Fig. 1; 2 is the LCD12864 liquid crystal display device module; Selectively operating voltage is the LCDs of the 128X64 dot matrix of 5V, band Chinese word library; This liquid crystal display externally provides 20 pins; Databook according to this LCD12864 liquid crystal display device module will reset (RST), register select (RS), read/write select (R/W), enable signal (E), data bus (DB0 ~ DB7) pin is connected with the general I/O pin of MCU, other pin connect respectively 5V power supply (VDD), (VSS), contrast adjustment (VO), serial/parallel model selection (PSB), just (LEDA) backlight, (LEDK) set potential of bearing backlight.Liquid crystal display device module shows the on off state and the operation prompt information of current each road sensor status, each relay, and the mode of unusual sensor states with flicker shown.

Among Fig. 1; 3 is microcontroller MCU; Can select STC12C5A60S2 series band two-way asynchronous serial communication interface, internal RAM storer is that 1280 bytes, program storage are the microcontroller of 16KB, and this microcontroller has abundant general I/O pin resource and internal resource.

Among Fig. 1,4 is the relay output interface, and it is 12V that relay can be selected coil working voltage, and the contact WV is the electromagnetic relay of 400V/5A.Be connected to the relay of air-conditioning or socket for needs, because power controlling is bigger, the contactor of need increasing exchanges through the solenoid of relay control A.C. contactor of the present invention, is controlled the power supply of air-conditioning or socket again; For the less vent fan of power controlling, can directly connect the power supply of vent fan through relay of the present invention.

Among Fig. 1,5 is the sound and light alarm module, can select high bright flicker LED lamp and hummer, is used to point out indoor personnel.

Among Fig. 1,6 is 220V/12V, and the 5V power module is low in energy consumption because of the present invention, can select the Industrial Frequency Transformer of 8W, adopts linear stabilized power supply, better reliability.Wherein 12V does not need voltage stabilizing, the WV of the WV of supply relay coil and liquefied gas sensor, carbon monoxide transducer; 5V is used for the power supply of microcontroller MCU, LCD12864 LCD MODULE, magnetic switch, sound, light alarm module, infrared receiving module.

Among Fig. 1; 7 is door, window magnetic switch group interface, in entry door, window position that the room of air-conditioning is housed dry-reed tube switch is installed and is connected to this interface, and MCU can detect on off state; Thereby control the power supply of room air conditioner automatically; When detecting for a long time that entry door is opened or window when opening, turn-off the power supply of air-conditioning, reach purpose of energy saving.

Among Fig. 1; 8 is liquefied gas sensor, carbon monoxide transducer group interface; This interface is connected to the second tunnel asynchronous serial communication port of microcontroller MCU, this interface have 4 lines be respectively 12V, RS-485D+, RS-485D-,, be used to connect sensor assembly.It is core that sensor assembly can be selected with the MQ series sensor, adopts STC11F04E Series of MCU, the design of MAX485 interface chip, and each sensor assembly is connected to this liquefied gas sensor, carbon monoxide transducer group interface.MCU can be used to control the power supply of vent fan from the quantity of state of this interface read sensor, when MCU detects the thresholding that harmful gas concentration surpass to set, connects the power supply of vent fan, to exhale pernicious gases, sends sound, light warning message simultaneously.

Among Fig. 1,9 is the infrared remote control receiver module, is used to receive the instruction of IR remote controller.Can receive and carry out disconnection respectively or closing relay, read the harmful gas sensor status, read the magnetic switch group state, actuating equipment follow orders such as inspection.

Among Fig. 1,10 is the keyboard load module, and employing is touched the type button each relay all is designed with open and close button, read transducer state, reads the magnetic switch state, carries out and follow inspection command key, reset key, transmission note key.

Useful effect

Using the obtainable beneficial effect of the present invention is, can the remote monitoring air-conditioning, the power supply of socket, vent fan; Whether the concentration of monitoring door, window on off state, indoor harmful gas surpasses thresholding; Can eliminate the carbon monoxide that possibly exist, the potential safety hazard that gas leak causes automatically, have broad application prospects in the intelligent building field.

Claims (1)

  1. A household electricity, with gas energy-saving safe monitor terminal; It is characterized in that: with microcontroller MCU is core, and the forward direction input channel is by the keyboard load module, the infrared remote control receiver module; Liquefied gas sensor, carbon monoxide transducer group interface, door, window magnetic switch group interface are formed; The back to output channel by sound, light alarm module, the LCD12864 liquid crystal display device module, relay group output interface is formed; Communication channel is made up of MBUS equipment interface circuit; Power supply is made up of 220V/12V, 5V power module; Described keyboard load module, the infrared remote control receiver module, door, window magnetic switch group interface, sound, light alarm module, LCD12864 liquid crystal display device module, relay group output interface are connected respectively to the general I/O pin of described microcontroller MCU; Described MBUS equipment interface circuit is connected to input, the output pin of the asynchronous serial communication interface of described microcontroller MCU; Described liquefied gas sensor, carbon monoxide transducer group interface are connected to input, the output pin of another asynchronous serial communication interface of described microcontroller MCU; Described liquefied gas sensor, carbon monoxide transducer group interface are the RS-485 EBI.
CN2012102942643A 2012-08-19 2012-08-19 Safe and energy-saving monitoring terminal for household power and gas consumption CN102799165A (en)

Priority Applications (1)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744314A (en) * 2013-12-28 2014-04-23 宁波江北臻和设计发展有限公司 Home safety system
CN103744313A (en) * 2013-12-28 2014-04-23 宁波江北臻和设计发展有限公司 Household safety system
CN103823397A (en) * 2014-01-14 2014-05-28 唐晓烽 Intelligent control circuit for exhaust fan/range hood
CN106483937A (en) * 2015-08-26 2017-03-08 富欣实业股份有限公司 Remote power control method and system
CN107255965A (en) * 2017-06-19 2017-10-17 安徽鼎信科技集团有限公司 Intelligent building monitoring system based on power carrier
CN107449859A (en) * 2017-07-27 2017-12-08 许文远 A kind of coal gas automated security monitor device
CN108137270A (en) * 2015-09-29 2018-06-08 三菱电机株式会社 Elevator device

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CN102608973A (en) * 2012-03-14 2012-07-25 湖南银宝科技发展有限公司 Intelligent household control system based on cloud service network
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WO2005083531A1 (en) * 2004-02-27 2005-09-09 Matsushita Electric Industrial Co., Ltd. Device control method and device control apparatus
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744314A (en) * 2013-12-28 2014-04-23 宁波江北臻和设计发展有限公司 Home safety system
CN103744313A (en) * 2013-12-28 2014-04-23 宁波江北臻和设计发展有限公司 Household safety system
CN103823397A (en) * 2014-01-14 2014-05-28 唐晓烽 Intelligent control circuit for exhaust fan/range hood
CN106483937A (en) * 2015-08-26 2017-03-08 富欣实业股份有限公司 Remote power control method and system
CN108137270A (en) * 2015-09-29 2018-06-08 三菱电机株式会社 Elevator device
CN107255965A (en) * 2017-06-19 2017-10-17 安徽鼎信科技集团有限公司 Intelligent building monitoring system based on power carrier
CN107449859A (en) * 2017-07-27 2017-12-08 许文远 A kind of coal gas automated security monitor device

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Application publication date: 20121128