CN101068293B - Home long-distance management device - Google Patents

Home long-distance management device Download PDF

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Publication number
CN101068293B
CN101068293B CN2007100722883A CN200710072288A CN101068293B CN 101068293 B CN101068293 B CN 101068293B CN 2007100722883 A CN2007100722883 A CN 2007100722883A CN 200710072288 A CN200710072288 A CN 200710072288A CN 101068293 B CN101068293 B CN 101068293B
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pin
door
connects
master controller
interface
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Expired - Fee Related
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CN2007100722883A
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CN101068293A (en
Inventor
邓辉峰
杨东升
季宝锋
陈东良
刘德峰
贾守波
宋辉
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Harbin Engineering University
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Harbin Engineering University
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Abstract

A remote management device of home safety is prepared as connecting master controller with transmitting/receiving subunit to each other through USB interface and connecting master controller with safety inspection subunit and electric appliance interface to each other through I/O interface.

Description

Home long-distance management device
(1) technical field
What the present invention designed is a kind of management devices, and specifically a kind of household to daily life is carried out the device of remote operation management.
(2) background technology
Along with progress of science and technology and development, people have higher expectation for the daily life quality.The correlation technique of relevant household management develops rapidly.Rise the intelligent dwelling notion in the U.S. before this, economy such as Europe, Japan, Singapore have successively proposed the notion of " intelligent dwelling (SmartHome) " than the more developed country then, and housing intelligent has also obtained develop rapidly.Formed The intelligence building system up till now based on safety monitoring.In Japan, post and telecommunications economizes with Ministry of International Trade and Industry sets up HBS standard committee jointly in the Machinery and Allied Products Institute and the electric wave technology association of tissue Japan in 1986, and HBS is meant home bus system here.Before and after nineteen ninety, Japan has set up an intelligent dwelling district that high level is exemplary, the U.S., Singapore also all have based on EI and formulated intelligent residence system (HIS) and communication standard--the intelligent residence of home bus (HDS, HOME DISTRUDUTIOSYSTEM) thereof in 1988.All these designs all are to be the residential quarters service, need to adopt special bus system, only are suitable for newly-built sub-district, if will be applied to old residential area then must rebuild greatly, and the cost of great number is not suitable for the popularization of single family.The sphere of action of this class intelligent dwelling is short in addition, and its application only is confined in sub-district or the building scope.
Patent of invention " computer security and intelligent control system of domestic electric appliances " (patent No. 00106464.9) is the service object with single family, proposed computer security and intelligent control system of domestic electric appliances, its system configuration complexity needs the coupling multiple computers, and operating distance is limited, can't realize far distance controlled.Utility model " Smart Home less radio-frequency remote alarming system " (patent No. 200620103609.2) has proposed a kind of Smart Home less radio-frequency remote alarming system.Though it has reached the purpose of remote alarms, must adopt special-purpose gsm module, the higher popularization that is not suitable for domestic. applications of cost.And this system only has warning function, can't realize the remote operation of household electrical appliances, and also being not really is the household management system.
(3) summary of the invention
The object of the present invention is to provide a kind of multiple functional, cost is low and applicability is strong home long-distance management device.
The object of the present invention is achieved like this: it comprises transmitting-receiving subelement, master controller, safety check subelement and electrical apparatus interface, and master controller interconnects by USB interface and transmitting-receiving subelement, interconnects by I/O interface and safety check subelement, electrical apparatus interface.
The present invention can also comprise some architectural features like this:
1, described transmitting-receiving subelement comprises two mobile phones, wherein a mobile phone II interconnects, carries out bidirectional data transfers by the GSM network by USB interface and master controller, the mobile phone I of another is carried by the operator, receives or send relevant information by the GSM network.
2, described master controller is made up of FPGA (Field Programmable Gate Array) IC and USB interface IC, FPGA (Field Programmable Gate Array) IC is connected with USB interface IC with control line by address wire, data wire, USB interface IC links to each other by the mobile phone of USB interface with the transmitting-receiving subelement, and master controller links to each other with safety detection unit, electrical apparatus interface by the I/O interface.Also but the programmable I C of select tape USB function just needn't adopt USB interface IC.
3, described safety check subelement is made up of password proofreading equipment, electron key and the detector that opens the door, electron key is connected with the password proofreading equipment by wireless or wired mode, the password proofreading equipment is connected with master controller by the I/O mouth, and the detector that opens the door is connected with master controller by the I/O mouth.
4, described electrical apparatus interface is made of mutually relay and outlet, and relay is connected by the I/O mouth with master controller.
5, the electrical apparatus interface that is connected with master controller is the electrical apparatus interface of one group of parallel connection, and master controller is provided with the reservation electrical apparatus interface.
The present invention is mainly the following problem that solves
1: realize Long-distance Control.Realize the remote transmission of control information by the GSM network.Have long transmission distance and propagate characteristics such as stable with respect to common radio frequency transmission.
2: the general controls feature.In conjunction with GSM network and electric equipment control technology, realize Long-distance Control to household electrical appliances.Because the design of the outlet of the standard of employing can realize the switch control to any apparatus, as switch electric cooker and switch water heater, possesses the general controls feature.
3: utilize the USB technology to reduce cost.Because common GSM application mode has increased cost greatly for adopting special-purpose communication module.The present invention adopts the USB technology to make full use of idle mobile phone replacement special module, thereby has reduced development cost.
4: Intelligent Recognition trespasses.Force open the door and forcible entries such as copy key opens the door by the working method of suitable checkout equipment and employing mechanical lock and electronic lock dual fail-safe being installed on door, can discerning.
5: the remote alarms function.When trespassing generation, warning message can be issued the owner of lost property rapidly.Offer an opportunity for adopting remedial measures.
6: sufficient extended attribute.In system design, reserve a plurality of I/O mouths, can install a plurality of transducers and electric equipment additional.Can realize such as functions such as pyrotechnics warning, gas alarm, video monitorings.
Details are as follows for the course of work of the present invention:
The remote control function implementation procedure of domestic electric appliance:
Attaching plug with electrical equipment before operating inserts in the electrical apparatus interface.As operating personnel out of doors the time, control information can be sent to mobile phone II with way of short messages by mobile phone I, mobile phone II passes to FPGA (Field Programmable Gate Array) IC in the master controller by USB interface with control information.Controller is by analytical information, the cut-offfing of the control relay that takes appropriate measures, thus realized remote switch operation to electrical equipment.
Security control function implementation procedure:
The detector that opens the door is the opening of detecting gate regularly.When door is opened, this information is sent to master controller by the I/O mouth.Master controller reads the collation of password proofreading equipment again: then open for normal if password is proofreaded successfully, need not report to the police; If password school right (using other remote controller), or do not have password check and correction (not using a teleswitch) and then open for illegal.If illegal the unlatching, then master controller passes to mobile phone II with warning message by USB, and control mobile phone II sends to warning message on the mobile phone I.So just, realized warning function.
(4) description of drawings
Fig. 1 is a composition frame chart of the present invention;
Fig. 2 is the composition frame chart of transmitting-receiving subelement;
Fig. 3 is the composition frame chart of master controller;
Fig. 4 is the composition frame chart of safety check subelement;
Fig. 5 is the composition frame chart of electrical apparatus interface unit;
Fig. 6 is the circuit composition diagram of FPGA (Field Programmable Gate Array) IC in the master controller of a kind of embodiment of the present invention;
Fig. 7 is the circuit composition diagram of USB interface IC in the master controller of a kind of embodiment of the present invention;
Fig. 8 is the circuit composition diagram of password proofreading equipment in the safety check subelement of a kind of embodiment of the present invention;
Fig. 9 is the circuit composition diagram of electron key in the safety check subelement of a kind of embodiment of the present invention;
Figure 10 is the circuit composition diagram of the electrical apparatus interface unit of a kind of embodiment of the present invention.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the composition of home long-distance management device comprises transmitting-receiving subelement, master controller, safety check subelement and electrical apparatus interface, master controller interconnects by USB interface and transmitting-receiving subelement, interconnects by I/O interface and safety check subelement, electrical apparatus interface.
In conjunction with Fig. 2, the transmitting-receiving subelement comprises two mobile phones, mobile phone II and mobile phone I.Wherein a mobile phone joins by USB interface and master controller, and it is responsible for the transmitted in both directions by GSM network realization data: can receive control command that the operator sends and the answer signal of controller is fed back to the operator.This mobile phone also can break away from native system, is used as regular handset and uses.Another mobile phone is carried by the operator, receives or send relevant information by the GSM network.
In conjunction with Fig. 3, master controller is made up of FPGA (Field Programmable Gate Array) IC and USB interface IC.FPGA (Field Programmable Gate Array) IC carries out control operation by address wire, data wire and control pair USB interface IC.USB interface IC links to each other by the mobile phone of USB interface and transceiver subsystem.Master controller obtains safety detection information by I/O, and also the may command electrical apparatus interface is realized tame electric control.Reserving the I/O mouth can link to each other with multiple sensors, realizes the expansion of systemic-function.Master controller is the control centre of native system, ensures that the function of whole system realizes.Also but the programmable I C of select tape USB function just needn't adopt USB interface IC.Simplify hardware configuration.
In conjunction with Fig. 4, the safety check subelement is made up of password proofreading equipment, electron key and the detector that opens the door.Electron key passes to the password proofreading equipment by wireless or wired mode with encrypted message.Proofreading equipment is judged the correctness of password and by the I/O mouth judged result is passed to master control system.The detector detecting gate that opens the door simultaneously is in to be opened or closure state, and by the I/O mouth information is passed to master control system.
In conjunction with Fig. 6, electrical apparatus interface is made of mutually relay and outlet.Outlet meets the appliances power source plug and connects standard.Can the peg graft attaching plug of any electrical equipment.It links to each other with relay as the load of relay.The input end signal of relay is the control signal that master controller is sent by the I/O mouth.The quantity of relay can be determined by pre-control appliance quantity.The electrical apparatus interface that is connected with master controller is the electrical apparatus interface of one group of parallel connection, and master controller is provided with the reservation electrical apparatus interface.
Specific embodiments one
Main controller circuit constitutes:
FPGA (Field Programmable Gate Array) IC is chosen to be the AT89C52 of atmel corp, and its applied range contains a plurality of I/O mouths, is the high sexual valence single-chip microcomputer that is applicable to native system.The application circuit of AT89C52 as shown in Figure 6.
This circuit comprises the minimal application system of AT89C52, comprising: reset circuit (pin 9 peripheral circuit that connects), oscillating circuit ( pin 19 and 18 connect peripheral circuit), power supply (pin 40 meets VCC (5V), pin 20 ground connection (not marking in the drawings)).In addition, the P0 mouth of AT89C52 (pin 32 to 39) connects the data port of CH375.The pin 21 of AT89C52 connects the pin 8 of CH375 (circuit diagram 7) as address wire.The pin 17,16,22,12 of AT89C52 connects the pin 4,3 of CH375 respectively, and 27,1 as control line.P1 mouth (pin 1 to 8) and P2 mouth (pin 21 to 28) are as the I/O mouth.By AT89C52 is programmed, guarantee the normal operation of system.
CH375 is the usb bus common interface chip, and the usb host mode of CH375 is supported the USB that uses always equipment at full speed, and external microcontroller can be by CH375 according to corresponding usb protocol and USB device communication.At local side, CH375 has 8 bit data bus and reading and writing, sheet select control line and interrupt output.The operating voltage of CH375 is 5V.As shown in Figure 7, the pin 11,10 of CH375 connects the pin 2,3 of A type USB socket respectively.Pin 12,13 ground connection of CH375.The oscillating circuit of CH375 is the peripheral circuit of pin 14,13.Pin 4 ground connection of USB socket, pin 1 connects 2 Europe resistance and meets power supply VCC (5V) again.The pin 5,6 of USB socket is the mechanical connection pin, need not have the attribute of being electrically connected.
Transceiver subsystem constitutes:
Transceiver subsystem is made of two mobile phones.Wherein a mobile phone is carried by the user, is called as user mobile phone in embodiment one.Another mobile phone is placed in the family, links to each other with master controller by USB interface, is called as mobile phone in the family in embodiment one.Mobile phone also can break away from from system in the family, is used as regular handset and uses.
The safety check subsystem constitutes:
Electron key is the Digiplex that includes coding chip PT2262.In use, should open mechanical lock, use a teleswitch again, otherwise be considered as illegal unlatching.The password proofreading equipment is the receiver module 9915 that includes decoding chip PT2272.Both have identical coded address.The geocoding nonrepeatability is 6561 groups.As shown in Figure 9,9915 pin 1 connects the 5V power supply, pin 3 ground connection, and pin 2 connects the pin 7 of AT89C52.
As shown in Figure 8, the detector that opens the door is selected for use and is often driven button, is installed between doorframe and the door.When door was closed, button was closed under the extruding of doorframe and door.When door was opened, button was in normally open.Often open button pin 1 ground connection.Pin 2 connects the 5V power supply after connecing 1 kilo-ohm of resistance again.Pin 2 connects the pin 8 of AT89C52 simultaneously.Pin 1 was a low level when door was closed, and pin 1 is a high level when door is opened.Just can learn the state of door by the height that detects level.
Electrical apparatus interface constitutes:
As shown in figure 10, electrical apparatus interface is made of relay and socket.The live wire L of socket succeeds the pin 1 of electrical equipment.The zero line N of socket meets 220VN.The pin 3 of relay connects the 220V live wire, and pin 5 meets VCC (5 volts), and pin 4 connects the pin 6 of AT89C52.If need a plurality of electrical equipment of control, then by a plurality of same electrical apparatus interfaces of this circuit production.
Below introduce the course of work of specific embodiments one.
With the remote operation water boiling heater is example, introduces the remote control process of domestic electric appliance:
Before using, the attaching plug of household electrical appliance should be inserted in the socket of electrical apparatus interface.When the operator need operate, use user mobile phone to send a note, as " water boiling heater ", mobile phone to the family.After mobile phone is received note in the family, short message content is passed to CH375 in the master controller by USB interface.CH375 sends to AT89C52 with short message content by data wire again.AT89C52 analyzes short message content, wins to send note phone number and control information.After confirming that this message sends effectively,, thereby opened water heater again by the relay in the I/O mouth connection electrical apparatus interface.Then, AT89C52 sends to mobile phone in the family with the text message of " water heater is opened " by CH375, and control mobile phone this text message is sent to the operator, notify its water heater to open.It more than is the remote control process of water heater.Also can close water heater in this way in addition.Equally, the household electrical appliances such as air-conditioning, electric rice cooker one class can both carry out Long-distance Control in a similar fashion.
Below introduce the security control principle of specific embodiments one.AT89C52 in the master controller obtains the state of door by the current potential of the pin of often driving button 1 of detection safety check subsystem.Pin 1 is opened for Gao Zemen; Pin 1 is closed for low then door.Generally speaking, the user presses the button of remote controller, pin 2 is changed to high level for receiver module 9915,9915 password transmission by Wireless transmission mode, informs that by the I/O mouth master controller password proofreads successfully.The unlatching of door is normal the unlatching, need not report to the police.If the password proof reader's error does not perhaps have checks cipher, 9915 are changed to low level with pin 2, inform master controller cryptographic check failure by the I/O mouth, and the unlatching of door is regarded as illegal unlatching.AT89C52 writes mobile phone in the family with warning message by CH375.And control mobile phone with way of short messages, and " thief is arranged " as sending note, to user mobile phone, notify it to hasten to adopt remedial measures.It more than is the security control process of specific embodiments one.
Specific embodiments two:
On the basis of scheme one, revise the safety check subsystem and can get scheme two.
In scheme two, the safety check subsystem still is made up of password proofreading equipment, electron key and Men Kai detector.But specifically implement different.The password proofreading equipment adopts programmable I C-AT89C52, in be composed of corresponding program.Electron key adopts common flash disk, and door is driven detector and adopted near the type Hall switch.AT89C52 adopts the interior identical circuit connecting mode of AT89C52 of master controller in the specific embodiments one, sets up USB interface, does not repeat them here.In addition, the pin 1 of AT89C52 connects the output of Hall element.When door was closed, Hall element was changed to high level with pin 1, and when door was opened, Hall element was changed to low level with pin 1.Obtain the state of door by the level of judging pin 1.The pin 10,11 of AT89C52 connects the pin 11,10 of AT89C52 in the master controller respectively, and promptly safety check subsystem and master controller have been set up serial communication.Have password in the flash disk, when using flash disk is inserted in the USB socket of password proofreading equipment at every turn, the password proofreading equipment is read password wherein and is proofreaded, and then new password is deposited in the flash disk if proofread successfully, stays with check and correction next time and uses.If it is unsuccessful then by serial ports notice master controller.
The security control process of specific embodiments two is as follows: the password proofreading equipment is read the state of the output decision gate of Hall element.Be output as high level then the door be opened, otherwise the door be closure state.During normal the use, flash disk is inserted the USB socket of password proofreading equipment, after password proofread successfully, deposit new password in so that next use, this opens the door and is normal unlatching.Under the situation of not inserting flash disk, the unlatching of door is regarded as illegal unlatching, and the password proofreading equipment is informed master controller by serial ports.

Claims (1)

1. home long-distance management device, it comprises transceiver subsystem, master controller, safety check subsystem and electrical apparatus interface, master controller interconnects by USB interface and transceiver subsystem, interconnects by I/O interface and safety check subsystem, electrical apparatus interface; It is characterized in that:
The circuit of described master controller constitutes: FPGA (Field Programmable Gate Array) IC is AT89C52, comprise: reset circuit, oscillating circuit, power supply, pin 20 ground connection, the P0 mouth is the data port that pin 32 to 39 meets CH375, pin 21 connects the pin 8 of CH375 as address wire, pin 17,16,22,12 connects the pin 4,3,27,1 of CH375 respectively as control line, and the P1 mouth is that pin 1 to 8 is that pin 21 to 28 is as the I/O mouth with the P2 mouth; CH375 is the usb bus common interface chip, the pin 11,10 of CH375 connects the pin 2,3 of A type USB socket respectively, pin 12,13 ground connection of CH375, the oscillating circuit of CH375 is the peripheral circuit of pin 14,13, pin 4 ground connection of USB socket, pin 1 meets 5V power supply VCC after connecing 2 Europe resistance again, and the pin 5,6 of USB socket is the mechanical connection pin;
Described transceiver subsystem constitutes: transceiver subsystem is made of two mobile phones, and wherein a mobile phone is carried by the user, and another mobile phone is placed in the family, links to each other with master controller by USB interface;
Described safety check subsystem constitutes: electron key is the Digiplex that includes coding chip PT2262, the password proofreading equipment is the receiver module 9915 that includes decoding chip PT2272, both have identical coded address, 9915 pin 1 connects the 5V power supply, pin 3 ground connection, pin 2 connect the pin 7 of AT89C52; The detector that opens the door is selected for use and is often driven button, be installed between doorframe and the door, when door is closed, button is closed under the extruding of doorframe and door, when door was opened, button was in normally open, often opened button pin 1 ground connection, pin 2 connects the 5V power supply after connecing 1 kilo-ohm of resistance again, and pin 2 connects the pin 8 of AT89C52 simultaneously; Pin 1 was a low level when door was closed, and pin 1 is a high level when door is opened;
Described electrical apparatus interface constitutes: electrical apparatus interface is made of relay and socket, and the live wire L of socket succeeds the pin 1 of electrical equipment, and the zero line N of socket meets 220VN, and the pin 3 of relay connects the 220V live wire, and pin 5 meets 5V power supply VCC, and pin 4 connects the pin 6 of AT89C52.
CN2007100722883A 2007-06-01 2007-06-01 Home long-distance management device Expired - Fee Related CN101068293B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102035820A (en) * 2009-09-25 2011-04-27 宏正自动科技股份有限公司 Remote control device as well as server and client end applying same
CN101834769B (en) * 2010-03-31 2011-12-28 青岛海信日立空调系统有限公司 Two-way communication switching method of HBS (High Byte Strobe) bus communication protocol and RS-485 bus communication protocol
CN106292475A (en) * 2016-10-27 2017-01-04 东北大学 Intelligent movable household box
CN108551627A (en) * 2018-05-29 2018-09-18 福来宝电子(深圳)有限公司 A kind of intelligent sound box control method, intelligent sound box and intelligent domestic system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317746A (en) * 2000-04-12 2001-10-17 科匠技术有限公司 Computerized guard and intelligent control system of domestic electric appliances
CN1516403A (en) * 2003-08-29 2004-07-28 重庆大学 Intelligent household control system based on network technology
CN1619599A (en) * 2003-11-21 2005-05-25 深圳市达高实业有限公司 Radio intelligent antitheft alarming system
CN2898981Y (en) * 2006-05-15 2007-05-09 浙江万里学院 Intelligent household remote alarming system of radio frequency

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317746A (en) * 2000-04-12 2001-10-17 科匠技术有限公司 Computerized guard and intelligent control system of domestic electric appliances
CN1516403A (en) * 2003-08-29 2004-07-28 重庆大学 Intelligent household control system based on network technology
CN1619599A (en) * 2003-11-21 2005-05-25 深圳市达高实业有限公司 Radio intelligent antitheft alarming system
CN2898981Y (en) * 2006-05-15 2007-05-09 浙江万里学院 Intelligent household remote alarming system of radio frequency

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李杨等 .基于USB的远程控制系统在煤矿监测中的应用.煤炭科技
李杨等,.基于USB的远程控制系统在煤矿监测中的应用.煤炭科技, 2007年第1期.2007,(2007年第1期),48-50. *

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