CN102739807A - User service system - Google Patents
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- CN102739807A CN102739807A CN2012102556855A CN201210255685A CN102739807A CN 102739807 A CN102739807 A CN 102739807A CN 2012102556855 A CN2012102556855 A CN 2012102556855A CN 201210255685 A CN201210255685 A CN 201210255685A CN 102739807 A CN102739807 A CN 102739807A
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Abstract
The invention relates to a user service system which can be used for solving the problems of high cost, inconvenience in operation, less quantity of information acquired by a user, low updating speed, and incapability of automatically acquiring information by the user. An information editing computer sends webpage information files and video information files to a core server so as to be stored, and sends the webpage information files and the video information files to remote service equipment through a wireless network. The remote service equipment comprises a power supply, a control unit, a computer server and at least two routers, wherein an information transmission channel is built between the computer server and the core server by the first router, and an information transmission channel is built between the computer server and a user terminal by the second router. The control unit is respectively connected with the computer server, the power supply, the routers, and input keys, so that the control unit provides the working power supply to the computer server, the power supply, the routers, and the input keys, sends the signals for controlling the on-off of the working power supply, and receives the state signals sent to the control unit by the devices.
Description
Technical field:
It is relevant that the present invention and traffic device or business hall or service Room user obtain the system of information.
Background technology:
Use airborne amusement audio-video system to comprise fixed terminal on the aviation aircraft at present; Total system weight is greater than 200 kilograms; Power consumption needs the professional to change the device-specific disk greater than 3000W, complex circuit, investment height, content replacing, and programme content is few, and renewal is slow, maintenance cost is high.
The background technology in the business hall or the service Room is the e-advertising terminal, and its content must regularly replace disk through the professional service staff and upgrade, and does not provide the user from the tape terminal Connection Service simultaneously, does not mainly have interactive One-to-All Broadcast function to the crowd.Broadcasted content is single, upgrades slowly, can not provide personalized service.
Summary of the invention:
The purpose of this invention is to provide a kind of simple in structure, volume is little, low in energy consumption, stored information is many, renewal is fast, cost is low, easy to operate, system turns on and off the teller system that each information channel and power supply can be provided personalized service reliably.
The present invention is achieved in that
Teller system of the present invention; The info web file accomplished by information editing's computer and the video information file send the Core server storage; Core server sends to remote service equipment through wireless network; Remote service equipment comprises power supply, control unit, computer server and router, and router is at least two, and the 1st router is set up information transfer channel between computer server and Core server; The 2nd router is set up information channel between computer server and user terminal; Control unit is connected with computer server, power supply, router, enter key respectively, and power supply provides the working power of above-mentioned device, and control unit sends the signal of Control work mains switch and accepts the signal of device to the state separately of control unit transmission.
Described router is three; The 1st router is the 3G wireless router, and the 2nd router is common WIFI wireless router, and the 3rd router is the wireless router that possesses the WDS bridge function; Between computer server and Core server, set up information transfer channel; Power supply is the dc-battery group, and the dc-battery group is connected with charging module, detection module, step-down module, boost module, and charging module is connected with the output of AC-DC converting unit.
Control unit has single-chip microcomputer to pass through the 1st switching circuit to be connected with the dc-battery group; Be connected with the 2nd router mains switch through the 2nd switching circuit, be connected with the 1st router mains switch, be connected with the 3rd router mains switch through the 4th switching circuit through the 3rd switching circuit; Be connected with the Computer Service appliance mains switch through the 5th switching circuit; The computer server working station indicator connects the input of the 1st optical coupler, and the output of the 1st optical coupler connects single-chip microcomputer, and 1-4 enter key KEY1-KEY4 connects single-chip microcomputer through the 1st series resistance respectively; Connect working power through the 2nd series resistance, single-chip microcomputer connects oscillating circuit.
Detection module is connected with single-chip microcomputer, and the output of step-down module is as the working power of single-chip microcomputer, switching circuit, optical coupler, enter key, and the output of boost module is as the working power of computer server.
Described 1-5 switching circuit has optical coupler; The inducing luminous diode of its optical coupler is connected with light-emitting diode with single-chip microcomputer; Emitter is connected with transistor base, transistor emitter ground connection, and transistor collector connects optical coupler collector electrode and power supply through the relay and the diode of parallel connection.
Described direct current group pond charging module is LM2596; The step-down module is that LM2596, boost module are LM2577; Detection module is LM393; The AC-DC power supply converting unit is NES-100-18, and computer server is the computer server of X86 framework, the 1st router be in emerging AC30 wireless router or the E560 3G of Huawei wireless router.Single-chip microcomputer is PIC16F84A.
The workflow of remote service equipment is following:
1) the AC-DC power supply converting unit provides 17.5V direct current to control unit, and control unit starts, and gives each device working power power supply through switching circuit,
2) whether the detection cell voltage is low excessively, be, the server of then shutting down computer, whether not, then detecting KEY1 has input, and KEY is system boot/closing key,
3) KEY1 has input, and control unit is supplied power to computer server through the 5th switching circuit, not, cuts off the power supply then and detect KEY2 whether input is arranged, and KEY2 is a system file download/updating key,
4) KEY2 has input, and control unit breaks off the 2nd router power supply through the 2nd switching circuit, connects the 1st router power supply through the 3rd switching circuit, connects the 3rd router power supply through the 4th switching circuit.KEY2 then detects KEY3 less than input and has or not input, and KEY3 is the all-router close key,
5) if KEY3 has input, then control unit breaks off the 1st, the 2nd, the 3rd router power supply, if KEY3 does not have input, then detects KEY4 and has or not input, and KEY4 is the user side access key,
6) if KEY4 has input, then control unit is connected the 2nd router power supply through the 2nd switching circuit, breaks off the 1st router power supply through the 3rd switching circuit, breaks off the 3rd router power supply through the 4th switching circuit.Whether KEY4 then to detect cell voltage low excessively if not having input, the circulation said process,
The flow process of step 2 is following
1) control unit detects single-chip microcomputer 10 pin, if level is low, then single-chip microcomputer is exported through the 1st switching circuit powered-down,
2) if be high level, single-chip microcomputer was connected B1, B2 port 2 seconds through the 5th switching circuit, detected single-chip microcomputer 10 pin states in 40 seconds, the output of low level powered-down,
3) if be high level still, control unit was connected B1, B2 port 60 seconds, detected single-chip microcomputer 10 pin states in 60 seconds, and is low, powered-down output.Still high level after 60 seconds, then directly powered-down output,
The flow process of step 3 is following:
1) control unit breaks off the power supply of the 1st router, the 3rd router power supply,
2) connect computer server unit power supply,
3) control unit detection computations machine server working station indicator level if level is low, is connected the Computer Service appliance mains switch through B1, B2 port and is broken off after 2 seconds, gets back to main flow.
4) if level is high, connect the Computer Service appliance mains switch and break off after 2 seconds, detection computations machine server working station indicator level if level is low, is got back to main flow in 40 seconds,
5) if level is high, connect computer server power supply and maintenance, detection computations machine server working station indicator level, level is low, gets back to main flow,
6) the high repeating step 5 of level.
The present invention is simple in structure, in light weight, power consumption less, production and maintenance cost is low, the system to store information amount is big, upgrade quick and to upgrade cost low, the user can select information through own terminal, and is easy to use.Applied widely.
Traffic device aspect is applicable on the aviation aircraft, like commercial air flights, in common on the railway, the bullet train, on urban public transport subway, city bus, the length way passenger stock.The passenger utilizes terminals such as own smart mobile phone, panel computer, notebook through the wireless connections access system.System provides web page browsing services such as news, e-magazine, e-advertising propaganda materials to the passenger, simultaneously video request program and video playback service can be provided.The traffic device only need carry a remote service equipment, and this equipment volume is little, and weight is less than 6 kilograms, and power is less than 60W, and cost is merely 1/10th of existing airborne audio-video system.
Native system also can be applicable to the business service Rooms such as communication, bank, government affairs.Client in the business service Room utilizes terminals such as own smart mobile phone, panel computer, notebook through wireless connections visit native system.Web page browsing services such as news, e-magazine, e-advertising propaganda materials are provided to the passenger, simultaneously video request program and video playback service can be provided.Can provide personalized service, easy to use, maintenance cost is low, contains much information, and it is convenient to upgrade, and cost is low.
Switch of the present invention, shutdown, standby, file are downloaded and are provided access services all only to send instruction through button to the user; Shutoff and connection information channel and power supply are fast reliable; Can be automatically when battery discharge arrives minimal protection voltage; The server of reliably shutting down computer, normally closing of safeguards system prevents that the battery over-discharge can from causing damaging.
Description of drawings:
Fig. 1 is a system architecture diagram.
Fig. 2 is a remote service equipment block diagram.
Fig. 3 is a remote service circuitry schematic diagram.
Fig. 4 is a remote service device software main flow chart.
Fig. 5 is remote service device software the 1st sub-process figure.
Fig. 6 is remote service device software the 2nd sub-process figure.
Fig. 7 is remote service device software the 3rd sub-process figure.
Fig. 8 is remote service device software the 4th sub-process figure.
Fig. 9 is remote service device software the 5th sub-process figure.
Embodiment:
As shown in Figure 1:
Webpage and the video file of preparing for the user accomplished in information editing's Computerized Editing, is uploaded to Core server through network and deposits.
Remote service equipment gets into system boot or shutdown system mode through manual button 1 input state 1.
Remote service equipment gets into file and downloads or refresh routine through manual button 2 input state 2.Remote service opening of device the 1st is or/and the 3rd router is closed the 2nd router.Connect Core server through wireless network, the info web file in the Core server and video file are downloaded to this equipment computer server internal hard drive deposit.
Remote service equipment gets into offline mode through manual button 3 input states 3, and remote service device shutdown the the 1st, the 2nd, the 3rd router only keeps computer server stand-by operation state.
Remote service equipment gets into service mode through manual button 4 input states 4, and remote service device shutdown the 1st, the 3rd router is opened the 2nd router.The user is connected with remote service equipment through the 2nd router.Remote service equipment provides info web and the video file access services consistent with Core server to the user.
Remote service equipment mainly acts on: in service range, to the user web page browsing services such as news, e-magazine, e-advertising propaganda materials are provided, simultaneously video request program and video playback service can be provided.
System comprises following content:
Information editing's computer
Fire compartment wall 1,2
Core server
Wireless network
User's handheld terminal and notebook
Special equipment:
Remote service equipment 1 ..., n
Remote service equipment is as shown in Figure 2:
Remote service equipment is mainly accomplished monitoring, the Control work of other unit by control unit.Among the figure:
is the signal controlling circuit
The AC-DC power supply converting unit converts 220v or 110v Alternating Current Power Supply into 17.5v direct current supply; Flow to charging module and give batteries charging, battery pack output sends the 1st, the 2nd, the 3rd router, computer server unit respectively to accomplish the voltage transitions of direct current 17.5v and direct current 5v, 19v through the buck module after.Control unit is through the on off operating mode of signal controlling circuit each router of control and computer server.
Computer server is accomplished through signal transmission line and is connected with the 1st, the 2nd, the 3rd router, accomplishes the transmission work of webpage information data.
The main effect of AC-DC power supply conversion is to convert 220v or 110v alternating current into 17.5v direct current that remote service equipment uses.
It is the port voltage variable condition of being responsible for detected state input power supply that control unit mainly acts on, and exports according to the power supply of selected State Control computer server, the 1st router, the 2nd router, the 3rd router.
It is the storage of being responsible for web page files such as news, e-magazine, e-advertising propaganda materials and video file that computer server mainly acts on, upgrade and call service.
It is to be responsible for that computer server is set up with the interface channel of 3G network and web page files and video files such as the news of transmission needs renewal, e-magazine, e-advertising propaganda materials that the 1st router mainly acts on.
It is to be responsible for that computer server is set up with the interface channel of WIFI network and web page files and video files such as the news of transmission needs renewal, e-magazine, e-advertising propaganda materials that the 3rd router mainly acts on.
It is the interface channel of being responsible for setting up the WIFI network of computer server and user's handheld terminal and notebook that the 2nd router mainly acts on, and is responsible for transmitting to the user web page files and the video files such as news, e-magazine, e-advertising propaganda materials of computer server stored.
As shown in Figure 3, the remote equipment circuit theory is following
Interchange-DC power supply converting unit is linked into port Z1, Z2 respectively with 17.5V direct current both positive and negative polarity.Z1, Z2 port are linked into direct current 17.5v the input of charging module.Z2 port positive pole is connected to LM2596 step-down module input, LM2577 boost module input through the diode of anti-backflow simultaneously.
LM2596 step-down module converts the 17.5v direct current into the 5v direct current and is supplied to system to use.
The LM2577 boost module converts the 17.5v direct current into the 19v direct current and is supplied to computer server to use.
Give the battery pack constant current charge behind the diode that the anodal output serial connection of charging module prevents to flow backwards.
LM393 detection module monitoring battery group voltage, in case cell voltage is lower than 10v, detection module DOUT pin is output as high level, and the cell voltage state is flowed to single-chip microcomputer 11 pin.
Single-chip microcomputer 3 pin output to the optical coupler input, and light the LED luminous tube in the optical coupler through outside Light-Emitting Diode and current-limiting resistance ground connection formation loop.Optical coupler induction LED luminance is amplified driving back engage relay actuation coil through triode.The relay adhesive, the engage relay output port, powered battery output, so whether single-chip microcomputer 3 pin high-low level State Control batteries supply power to system.
After power supply+5v flowed to single-chip microcomputer 14 pin VDD, single-chip microcomputer 15 pin (OSC2), 16 pin (OSC1) started the standard crystal oscillating circuit.Reset signal flows to 4 pin mclr through resistance, and single-chip microcomputer begins to get into operating state.
Single-chip microcomputer reads 6,7,8,9,10,11 pin voltage statuss according to program; If wherein a pin state is the 0v low level; Show state input effectively or the state variation of battery pack and computer server, and to adjust 17,18,1,2,3 pin output voltages according to different pin states be high level or low level.
Single-chip microcomputer 17 pin high level output to the optical coupling isolator input, and light the LED luminous tube in the path through outside Light-Emitting Diode and current-limiting resistance ground connection formation loop.Optical coupling isolator induction LED luminance is amplified driving back engage relay actuation coil through triode.B1, B2 port are connected in the relay adhesive.B1, B2 port start off switch with computer server and link to each other, so the startup of single-chip microcomputer 17 pin high-low level State Control computer servers is closed.
Computer server is input to the operating state LED light in the optical coupler through B3, B4 port.Optical coupler opens or closes operating state according to LED illuminating state in the optical coupler with computer server and sends single-chip microcomputer 10 pin to through the B3 port, so that single-chip microcomputer is judged the computer server operating state.
Single-chip microcomputer 1 pin high level outputs to the optical coupler input, and lights LED luminous tube in the optical coupler through outside Light-Emitting Diode and current-limiting resistance ground connection formation loop.Optocoupler induction LED luminance is amplified driving back engage relay actuation coil through triode.F1, F2 port are connected in the relay adhesive.F1, F2 port are linked to each other by appliance mains switch with the first via, so the 1st router startup of single-chip microcomputer 1 pin high-low level State Control is closed.
Single-chip microcomputer 2 pin high level output to the optical coupler input, and light LED luminous tube in the optical coupler through outside Light-Emitting Diode and current-limiting resistance ground connection formation loop.Optical coupler induction LED luminance is amplified driving back engage relay actuation coil through triode.E1, E2 port are connected in the relay adhesive.E1, E2 port link to each other with the 3rd router mains switch, so the 3rd router startup of single-chip microcomputer 2 pin high-low level State Control is closed.
The output of single-chip microcomputer 18 pin high level is delivered to photosynthetic from the device input through the D1 port, and lights LED luminous tube in the optical coupler through outside Light-Emitting Diode and current-limiting resistance ground connection formation loop.Optocoupler induction LED luminance is amplified driving back engage relay actuation coil through triode.D1, D2 port are connected in the relay adhesive.D1, D2 port link to each other with the 2nd router mains switch, so the 2nd router startup of single-chip microcomputer 18 pin high-low level State Control is closed.
When KEY1-KEY4 did not trigger state, 5v voltage carried the 5V high level signal for single-chip microcomputer 6,7,8,9 pins through two level current limiting resistance.When one of them button of KEY1-KEY4 is pressed when triggering by manual work, one-level current-limiting resistance ground connection wherein, cause single-chip microcomputer 6,7,8,9 wherein a pin be changed to low level signal.Show that button is triggered, the instruction of input service state exchange.
Battery charging module: LM2596 charging module:
Main effect is to batteries charging.
LM2596 step-down module:
Main effect is to convert the 17.5v direct current into the 5v direct current to offer single-chip microcomputer, first, second and third router use.
The LM2577 boost module:
Main effect is to convert the 17.5v direct current into the 19v direct current to offer the computer server use.
The LM393 detection module:
Main effect is to detect battery voltage, in case find that voltage is lower than 10v, the battery low-voltage state is exported to single-chip microcomputer.
Interchange-DC power supply converting unit: NES-100-18
Main effect is to be responsible for converting 220V or 110V alternating current into the 17.5v DC power supply to offer the charging of rechargable battery group.
Computer server: the X86 framework computer server of standard
Computer server runs under the WINDOWS SERVER2003 systems soft ware.Main effect is the storage of being responsible for web page files such as news, e-magazine, e-advertising propaganda materials and video file, upgrade and call service
The port link information:
The positive pole of computer server power input mouth, negative pole are connected with Z3, the Z4 port of control unit.LM2577 DC boosting module by control unit provides 19V direct-current working volts.
Computer server switch (power on) port is connected with B1, the B2 port of control unit.
Positive pole, the negative pole of computer server open state indication (POWER LED) contact pin are connected with B3, the B4 port of control unit.
The port 1 of computer server RJ-45 port 1 and the 3rd router is connected through netting twine.
The port 1 of computer server RJ-45 port 2 and the 2nd router is connected through netting twine.
The usb1 mouth of computer server is connected through usb private cable line with the 1st router usb mouth.
The 1st router: in emerging AC30 3G wireless router or the E560 3G of Huawei wireless router
It is to be responsible for that the computer server unit is set up with the interface channel of 3G network and web page files such as the news of transmission needs renewal, e-magazine, e-advertising propaganda materials, video that the 1st router mainly acts on.
The port link information:
The switch of the 1st router power supply is connected with the F1 of control unit, F2 port.
The 3rd router: the various brands standard radio router that possesses the WDS bridge function all can
It is to be responsible for that the computer server unit is set up with the interface channel of WIFI network and web page files such as the news of transmission needs renewal, e-magazine, e-advertising propaganda materials, video that the 3rd router mainly acts on.
The port link information:
The switch of the 3rd router power supply is connected with the E1 of control unit, E2 port.
The 2nd router: various brands standard radio router all can
It is the interface channel of being responsible for setting up the WIFI network of computer server unit and user's handheld terminal and notebook that the 2nd router mainly acts on, and is responsible for transmitting to the user web page files and the video files such as news, e-magazine, e-advertising propaganda materials of computer server element memory storage.
The port link information:
The switch of the 2nd router power supply is connected with the D1 of control unit, D2 port.
As shown in Figure 4, the step of software main flow is explained as follows:
Interchange-DC power supply converting unit converts alternating current into that the charging module that the 17.5v DC power supply offers control unit boosts, the step-down module, and single-chip microcomputer is started working, and starts each unit power supply supply.Whether detection module detects cell voltage low excessively, is, then starts the 1st sub-process, and whether deny, then KEY1 detected level is low; Be, then start the 2nd sub-process; Whether be low, be, then start the 3rd sub-process if denying, then KEY2 being detected level, whether deny, then KEY3 detected level is low; Be, then start the 4th sub-process; Whether be low, be, then start the 5th sub-process if denying, then KEY4 being detected level, not, then get back to detection module and detect whether cell voltage is low.
It is the main frame that total system operates basically that this flow process mainly acts on, and all gets back to after any sub-process is finished and continues cycle detection in the main flow.
As shown in Figure 5, the step of software the 1st sub-process is explained as follows:
Control module detects whether single-chip microcomputer 10 pin states are low level, is, representes that then the computer server unit is in closed condition, and the 1st switching circuit is closed in the output of single-chip microcomputer the 3rd pin, and the total system outage is closed.But single-chip microcomputer has+the 5V power supply., then do not represent that computer server still at work; Single-chip microcomputer 17 pin are connected B1, the B2 port broke off after 2 seconds; Detect whether single-chip microcomputer 10 pin states are low level in 40 seconds; Be, represent that then computer server is in the normal shutdown closed condition, the 1st switching circuit is closed in the output of single-chip microcomputer the 3rd pin, and the total system outage is closed.Not, then represent the failure of computer server normal shutdown, computer server still at work, single-chip microcomputer 17 pin are connected B1, the B2 port broke off after 60 seconds; To the computer server forced shutdown; Detect whether single-chip microcomputer 10 pin states are low level in 60 seconds, be, represent that then the computer server unit is in closed condition, the positive closing success; Leap to control unit and close the 1st switching circuit through the output of single-chip microcomputer the 3rd pin, the total system outage is closed.Not, then represent computer server positive closing failure, computer server was directly closed first switching circuit afterwards in 60 seconds still at work, and total system forces outage to be closed.
It is to lose under the situation of external communication power supply that this flow process mainly acts on, and shut down computer to minimal protection voltage time work of server of battery discharge is broken off powered battery under affirmation computer server safety shutdown case of successful.The system that ensures computer server normally closes, and keeps correctly closing of systems soft ware.Simultaneously also protect battery, prevent that the battery over-discharge can from causing damaging.
As shown in Figure 6, the step of software the 2nd sub-process is explained as follows:
When detecting the KEY1 level is low, and after button was pressed, affirmation state 1 was transfused to.Single-chip microcomputer breaks off the 1st, the 2nd, the 3rd router power supply.Single-chip microcomputer keeps the computer server power supply; Whether the position is low for single-chip microcomputer detection computations machine server indicator light, is, shows that then computer server is a closed condition, and single-chip microcomputer was connected the computer server switch 2 seconds through B1, B2 port; Start computer server, get back to main flow afterwards.Show that not, then computer server is to open operating state, single-chip microcomputer was connected the computer server switch 2 seconds through B1, B2 port, and computer server is carried out power-off operation; Detect through B3, B4 port whether the server led status is low in 40 seconds; Be, then show the computer server normal shutdown, show that not, then the computer server shutdown is undesired, single-chip microcomputer is connected the computer server switch through B1, B2 port and is kept; Computer server is carried out the forced shutdown operation; Single-chip microcomputer detects whether the server led status is low, is, then shows the success of computer server forced shutdown, gets back to main flow., then not getting back to the computer server led status detects.
It is the state input validation through to button 1 that this flow process mainly acts on, and computer server is carried out normal boot-strap or power-off operation, under the situation of normal shutdown failure, computer server is carried out the forced shutdown operation.
As shown in Figure 7, the step of software the 3rd sub-process is explained as follows:
When detecting the KEY2 level is low, and after button was pressed, affirmation state 2 was transfused to.Get into the 3rd sub-process step.
Single-chip microcomputer is connected the 1st, the 3rd router power supply, breaks off the 2nd router power supply.Get back to main flow after the completion.
This step effect is to connect computer server to be connected with radio channel between the Core server; Update Information synchronously for ensureing that computer server and Core server reliably are connected also simultaneously; Close the 2nd router, radio link channel between server and the user terminal cuts off computer.
As shown in Figure 8, the step of software the 4th sub-process is explained as follows:
When detecting the KEY3 level is low, and after button was pressed, affirmation state 3 was transfused to.Get into the 4th sub-process step.
Single-chip microcomputer breaks off the 1st, the 2nd, the 3rd router power supply.Get back to main flow after the completion.
This step effect is to break off all radio link channels, closes external wireless connections.Keeping the external radio silence of total system, mainly is to aviation aircraft specific radio silence claimed condition when taking off landing.
As shown in Figure 9, the step of software the 5th sub-process is explained as follows:
When detecting the KEY4 level is low, and after button was pressed, affirmation state 4 was transfused to.Get into the 5th sub-process step.
Control unit breaks off the 1st, the 3rd router power supply, connects the 2nd router power supply.Get back to main flow after the completion.
This step effect is that the server that cuts off computer is connected with radio channel between the Core server, connects the 2nd router, sets up the radio link channel between computer server and the user terminal, to the user access services is provided.
Claims (9)
1. teller system; It is characterized in that information editing's computer is accomplished the info web file and the video information file send the Core server storage; Core server sends to remote service equipment through wireless network; Remote service equipment comprises power supply, control unit, computer server and router, and router is at least two, and the 1st router is set up information transfer channel between computer server and Core server; The 2nd router is set up information channel between computer server and user terminal; Control unit is connected with computer server, power supply, router, enter key respectively, and power supply provides the working power of above-mentioned device, and control unit sends the signal of Control work mains switch and accepts the signal of device to the state separately of control unit transmission.
2. according to the described system of claim 1; It is characterized in that described router is three; The 1st router is the 3G wireless router, and the 2nd router is common WIFI wireless router, and the 3rd router is the wireless router that possesses the WDS bridge function; Between computer server and Core server, set up information transfer channel; Power supply is the dc-battery group, and the dc-battery group is connected with charging module, detection module, step-down module, boost module, and charging module is connected with the output of AC-DC converting unit.
3. system according to claim 1; It is characterized in that control unit has single-chip microcomputer to pass through the 1st switching circuit and is connected with the dc-battery group; Be connected with the 2nd router mains switch through the 2nd switching circuit, be connected with the 1st router mains switch, be connected with the 3rd router mains switch through the 4th switching circuit through the 3rd switching circuit; Be connected with the Computer Service appliance mains switch through the 5th switching circuit; The computer server working station indicator connects the input of the 1st optical coupler, and the output of the 1st optical coupler connects single-chip microcomputer, and 1-4 enter key KEY1-KEY4 connects single-chip microcomputer through the 1st series resistance respectively; Connect working power through the 2nd series resistance, single-chip microcomputer connects oscillating circuit.
4. system according to claim 2; Its characteristic is connected with single-chip microcomputer at detection module; The output of step-down module is as the working power of single-chip microcomputer, switching circuit, optical coupler, enter key, and the output of boost module is as the working power of computer server.
5. system according to claim 2; It is characterized in that described 1-5 switching circuit has optical coupler; The inducing luminous diode of its optical coupler is connected with light-emitting diode with single-chip microcomputer; Emitter is connected with transistor base, transistor emitter ground connection, and transistor collector connects optical coupler collector electrode and power supply through the relay and the diode of parallel connection.
6. system according to claim 2; It is characterized in that described direct current group pond charging module is LM2596, the step-down module is that LM2596, boost module are LM2577, and detection module is LM393; The AC-DC power supply converting unit is NES-100-18; Computer server is the computer server of X86 framework, first router be in emerging AC30 wireless router or the E560 3G of Huawei wireless router, single-chip microcomputer is PIC16F84A.
7. system according to claim 2 is characterized in that the workflow of remote service equipment is following:
1) the AC-DC power supply converting unit provides 17.5V direct current to control unit, and control unit starts, and gives each device working power power supply through switching circuit,
2) whether the detection cell voltage is low excessively, be, the server of then shutting down computer, whether not, then detecting KEY1 has input, and KEY1 is system boot/closing key,
3) KEY1 has input, and control unit is supplied power to computer server through the 5th switching circuit, not, cuts off the power supply then and detect KEY2 whether input is arranged, and KEY2 is a system file download/updating key,
4) KEY2 has input, and control unit breaks off the 2nd router power supply through the 2nd switching circuit, connects the 1st router power supply through the 3rd switching circuit; Connect the 3rd router power supply through the 4th switching circuit; KEY2 then detects KEY3 less than input and has or not input, and KEY3 is the all-router close key
5) if KEY3 has input, then control unit breaks off the 1st, the 2nd, the 3rd router power supply, if KEY3 does not have input, then detects KEY4 and has or not input, and KEY4 is the user side access key,
6) if KEY4 has input; Then control unit is connected the 2nd router power supply through the 2nd switching circuit, breaks off the 1st router power supply through the 3rd switching circuit, breaks off the 3rd router power supply through the 4th switching circuit; Whether KEY4 then to detect cell voltage low excessively if not having input, the circulation said process.
8. system according to claim 7 is characterized in that the flow process of step (2) is following:
1) control unit detects single-chip microcomputer 10 pin, if level is low, then single-chip microcomputer is exported through the 1st switching circuit powered-down,
2) if be high level, single-chip microcomputer was connected B1, B2 port 2 seconds through the 5th switching circuit, detected single-chip microcomputer 10 pin states in 40 seconds, the output of low level powered-down,
3) if be high level still, control unit was connected B1, B2 port 60 seconds, detected single-chip microcomputer 10 pin states in 60 seconds, and is low, and powered-down output still is high level after 60 seconds, then directly powered-down output.
9. system according to claim 7, the flow process that it is characterized by step (3) is following:
1) control unit breaks off the power supply of the 1st router, the 3rd router power supply,
2) connect computer server unit power supply,
3) control unit detection computations machine server working station indicator level if level is low, is connected the Computer Service appliance mains switch through B1, B2 port and is broken off after 2 seconds, gets back to main flow,
4) if level is high, connect the Computer Service appliance mains switch and break off after 2 seconds, detection computations machine server working station indicator level if level is low, is got back to main flow in 40 seconds,
5) if level is high, connect computer server power supply and maintenance, detection computations machine server working station indicator level, level is low, gets back to main flow,
6) the high repeating step of level (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102556855A CN102739807A (en) | 2012-07-24 | 2012-07-24 | User service system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102556855A CN102739807A (en) | 2012-07-24 | 2012-07-24 | User service system |
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| CN102739807A true CN102739807A (en) | 2012-10-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103905832A (en) * | 2012-12-25 | 2014-07-02 | 姜勇 | Wireless on-demand audio/video broadcasting system based on mobile satellite |
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