Fire control system automated watch-keeping facility with GPRS data transporting function
Technical field
The present invention relates to fire control system, and in particular to a kind of fire control system with GPRS data transporting function
Automated watch-keeping facility.
Background technology
According to《Fire protection control room general technology standard》With management of fire safety system, in quasi-operating status, forbid water
The power distribution cabinet of fire extinguishing system, smoke control system and electronic fire separation facility is placed in manual state of a control.But some units and
The operating personnel of some control rooms because of various reasons, and power distribution cabinet are placed in for a long time manual state of a control, are simply dealing with correlation
Department is just transformed into automatic control state when checking, does not reach the automatic effects of automatic system.
The content of the invention
Monitored automatically in view of the above-mentioned problems, the present invention provides a kind of fire control system with GPRS data transporting function
Device.
To solve the above problems, the technical scheme that the present invention takes is:Fire-fighting control with GPRS data transporting function
Automatic monitoring device, including the input of processor circuit, the two lines bus communicating circuit being connected with processor circuit, monitoring switch
Circuit, the sound light alarming circuit of field failure alarm, are alarmed field failure by light emitting diode and buzzer, are dress
The internal electric source change-over circuit of power supply needed for providing is provided, two are provided for the system power supply circuit and signal isolation power circuit of device
Power supply, GPRS transmission circuit needed for road and the IP address coding circuit that live IP address layout is provided for device, described two are total
Line communicating circuit is connected with external fire control system signal communication, keeps the exchange of data, monitoring switch input circuit is with disappearing
Anti- control system hand/automatic switch On-off signal signal linking, GPRS transmission circuit passes through satellite data transmission and fire-fighting
General headquarters' information exchange.
Described two lines bus communicating circuit is connected by two lines bus signal isolation circuit with processor circuit.
Described processor circuit includes what is be connected with electrification reset and detail programming circuitPin and BKGD draw
Pin, the XTAL pins being connected with clock circuit and EXTAL pins, the PWM0 pins-PWM3 being connected with GPRS transmission circuit draw
Pin, IOC0 pins-IOC3 pins, TXD0 pins and RXD0 pins, the AN0 pins-AN7 being connected with IP address coding circuit draw
Pin, the MISO0 pins being connected with sound light alarming circuit, MOSI0 pins and SCK0 pins are connected with monitoring switch input circuit
SS0 pins, the TXD1 pins and RXD1 pins being connected with two lines bus communicating circuit or two lines bus signal isolation circuit, VRH/
VDDXRA pins are connected to VCC power ends, VSSXA pins and VSS pin power grounds, TEST pins by power filtering capacitor
Vacantly;
Described electrification reset and detail programming circuit include BDM debuggers, and BDM debugger BKGD pins are connected to processing
Device circuit BKGD pins and VCC power ends are connected to by the 24th resistance, VDD pins are connected to VCC power ends, and BDM is adjusted
Examination device RESET pins are connected to VCC power ends by the 26th resistance, and RESET pins pass through the 25th resistance and the tenth
Seven electric capacity series-connection power supplies are grounded, and the 25th resistance and the 17th electric capacity common port are connected to processor circuitPin,
NC pins and GND pin power ground, VFP pins are hanging;
Described clock circuit includes crystal oscillator, and crystal oscillator two ends are respectively connecting to processor circuit XTAL and drawn
Pin and EXTAL pins, and crystal oscillator two ends pass through the 18th electric capacity and the 19th capacitor power ground connection;
Described power filtering capacitor includes the 20th electric capacity and second being connected in parallel between VCC power ends and power ground
Ten electric capacity.
Described two lines bus communicating circuit includes bus master communication interface chip and nonpolarity two-way circuit, described nothing
Polarity two-way circuit includes the second diode and the 3rd diode of series connection, the 4th diode and the 5th diode of series connection, and
Second diode cathode is connected with the 4th diode cathode, and the second diode anode is connected to the 3rd diode cathode, the four or two
Pole pipe anode is connected to the 5th diode cathode, and the 3rd diode anode is connected with the 5th diode anode;
Described bus master communication interface chip SIN pins are connected to the second diode cathode, the 4th diode cathode
With the common port of the 6th diode anode, the common port of the second diode anode and the 3rd diode cathode is connected to two lines bus letter
The common port of number first input end, the 4th diode anode and the 5th diode cathode is connected to two lines bus signal second and inputted
End, is parallel with the first voltage-regulator diode and the first electricity between two lines bus signal first input end and the input of two lines bus signal second
Appearance, the second capacitive series branch, and the first electric capacity and the second electric capacity common port signal ground, the first voltage-regulator diode are used for bus
The forceful electric power protection of entrance, the first electric capacity and the second electric capacity are used to coordinate the first voltage-regulator diode to do bus filter processing, bus master
Communication interface chip VCC pin of standing is connected to the 6th diode cathode by first resistor, and the 3rd electric capacity and the 4th electric capacity are in parallel
To between bus master communication interface chip VCC pin and GND pin, the 3rd electric capacity negative pole and GND pin signal ground, VOUT
Pin and SEL pins are connected to 5V power supplys and are grounded by the 5th capacitance signal, and RXD pins pass through two lines bus signal isolation circuit
Or the 6th resistance be connected to processor circuit RXD1 pins, if desired for signal isolation then by two lines bus signal isolation circuit, such as
Undesired signal is isolated then by the 6th resistance, and TXD pins are connected to place by two lines bus signal isolation circuit or the 7th resistance
Device circuit TXD1 pins are managed, if desired for signal isolation then by two lines bus signal isolation circuit, are led to if isolating in undesired signal
The 7th resistance is crossed, NC pins are hanging.
Described two lines bus signal isolation circuit includes the first photo-coupler and the second photo-coupler, wherein the first optical coupling
Device AN pins are connected to 5V power supplys and the second photo-coupler VCC pin and EN pins, and the first photo-coupler CATH pins pass through
Two resistance are connected to bus master communication interface chip RXD pins, and the first photo-coupler VCC pin and EN pins are connected to VCC
Power end and the second photo-coupler AN pins, the first photo-coupler OUT pins are connected to processor circuit RXD1 pins and passed through
4th resistance is connected to the first photo-coupler VCC pin and EN pins, the first photo-coupler GND pin power ground and passes through
Seven capacitance connections are to the first photo-coupler VCC pin and EN pins, and NC pins and NC1 pins are hanging, and two lines bus signal is drawn by SIN
Pin is inputted, and TTL signal is exported by RXD pins after being demodulated through bus master communication interface chip, is transmitted after the first photo-coupler
To processor circuit;
Second photo-coupler OUT pins are connected to bus master communication interface chip TXD pins and connected by 3rd resistor
It is connected to the second photo-coupler VCC pin and EN pins, the second photo-coupler GND pin signal ground and passes through the 6th capacitance connection
To 5V power supplys, the second photo-coupler CATH pins are connected to processor circuit TXD1 pins, NC pins and NC1 by the 5th resistance
Pin is hanging, and the TTL signal of processor circuit output is connect after the second photo-coupler by TXD pin input bus master station communications
Mouth chip, it is up into modulated signal in bus.
Described monitoring switch input circuit includes the 3rd photo-coupler, and the 3rd photo-coupler CATH pins pass through the 20th
Resistance is connected to the nonpolarity switch terminals of fire control system hand/automatic switch first, and AN pins are connected to VDD power ends, disappeared
The nonpolarity switch terminals of anti-control system hand/automatic switch second and signal ground, VCC pin and EN pins are connected to VCC electricity
Source, OUT pins, which are connected to processor circuit SS0 pins and are connected to the 3rd photo-coupler VCC by the 21st resistance, to be drawn
Pin and EN pins, GND pin power ground and by the 12nd capacitance connection to VCC pin and EN pins, NC pins and NC1 draw
Pin is hanging, the nonpolarity switching signal of Z1 and Z2 for inputting hand/automatic switch, is passed after the 3rd photo-coupler signal isolation
Transport to processor circuit;
3rd photo-coupler plays a part of level conversion and signal isolation, and such as undesired signal is isolated, described monitoring
Switch input circuit can be connected between VDD power ends and VCC power ends by the 22nd resistance, the connection of the 23rd resistance
Between signal ground and power ground, by switching signal isolation features short circuit, the effect for making it only serve level conversion, power supply
VDD is obtained by DC-DC power source circuit module.
Described sound light alarming circuit includes buzzer alarm circuit and indicator light circuit, and buzzer alarm circuit includes honeybee
Ring device, and buzzer IN+ pins are connected to VCC power ends, and IN1 pins are connected to the second transistor collector, the second triode hair
Emitter-base bandgap grading power ground, the second transistor base is connected to processor circuit SCK0 pins, the 17th resistance by the 16th resistance
And the 31st electric capacity be connected in parallel between the second transistor base and power ground;
Indicator light circuit includes the first light emitting diode and the second light emitting diode, respectively as working power indicator lamp and
Alarm lamp, the first light-emitting diodes tube anode and the second light-emitting diodes tube anode are connected to VCC power ends, the first light-emitting diodes
Tube cathode is connected to processor circuit MOSI0 pins by the 18th resistance, and the second light-emitting diodes tube cathode passes through the 19th electricity
Resistance is connected to processor circuit MISO0 pins.
Described internal electric source change-over circuit includes system power supply circuit and signal isolation power circuit, wherein system power supply
Circuit includes integrated stable voltage circuit, and integrated stable voltage circuit IN pins are connected to 12V power supplys, the 9th voltage-regulator diode negative electrode, the tenth
Three capacitance cathodes and the 14th electric capacity one end are connected to IN pins, the 9th voltage-regulator diode anode, the 13rd electric capacity negative pole and
14 electric capacity other end power grounds, OUT pins are exported to VCC power ends by the first inductance, and FB pins are connected to VCC power supplys
End, GND pin and ON/OFF pin power grounds, the tenth voltage-regulator diode negative electrode are connected to OUT pins, the 15th capacitance cathode
And the 16th electric capacity one end be connected to VCC power ends, the tenth voltage-regulator diode anode, the 15th electric capacity negative pole and the 16th electric capacity
Other end power ground, the 12V Power converts that system power supply circuit inputs power interface is the 5V power supplys needed for circuit system;
Signal isolation power circuit includes DC-DC power source circuit, and DC-DC power source circuit VIN+ pins are connected to VCC power supplys
End, VOUT+ pins are connected to VDD power ends, VIN- pin power grounds, VOUT- leg signals ground connection, DC-DC power source circuit
Another group of electrically completely isolated 5V power supply is generated by the 5V power supplys of system, the insulating power supply as nonpolarity input makes
With.
Described GPRS transmission circuit LINK1 pins and LINK2 pins be respectively connecting to processor circuit IOC0 pins and
IOC1 pins, GPRS transmission circuit LINK3 pins and LINK4 pins are connected to processing by the 8th resistance and the 9th resistance respectively
Device circuit I OC2 pins and IOC3 pins, GPRS transmission circuit U TXD1 pins and URXD1 pins are respectively connecting to processor circuit
RXD0 pins and TXD0 pins, GPRS transmission circuit WORK pins are connected to processor circuit PWM2 pins, GPRS transmission circuit
POWKEY pins are connected to the drain electrode of the first FET, grid and are connected to processor circuit PWM1 pins by the tenth resistance,
GPRS transmission circuit GND pin is connected to the first FET source electrode and power ground, GPRS transmission circuit RESET pins and
RELOAD pins are respectively connecting to reset circuit and data recovery circuit, and GPRS transmission circuit RE485_EN pins pass through the 11st
Resistance is connected to processor circuit PWM3 pins, and GPRS transmission circuit LINK pins are connected to processor circuit PWM0 pins,
GPRS transmission circuit VCAP pins are connected to the 8th capacitance cathode, and DC5-18V pins are being connected to VCC power ends and the 9th electric capacity just
Pole, the 8th electric capacity negative pole and the 9th electric capacity negative power supply ground connection, NC1 pins, NC2 pins, RCV_N pins, RCV_P pins,
MIC_N pins and MIC_P pins are hanging;
Described reset circuit includes the first button, and first button one end is connected to GPRS transmission circuit RESET pins, led to
Cross the 12nd resistance to be connected to VCC power ends and be grounded by the tenth capacitor power, the first button other end passes through the 13rd electricity
Hinder power ground;
Described data recovery circuit includes the second button, and second button one end is connected to GPRS transmission circuit RELOAD and drawn
Pin, it is connected to by the 14th resistance VCC power ends and is grounded by the 11st capacitor power, the second button other end passes through the
15 resistive powers are grounded.
Described IP address coding circuit includes toggle switch, and toggle switch pin is respectively connecting to processor circuit
AN0-AN7 pins, provide one group of coded address for device, are 0-255, and convenient scene carries out IP address layout to device.
Two lines bus signal first input end and the input of two lines bus signal second, fire control system hand/automatic switch
First nonpolarity switch terminals and the second nonpolarity switch terminals are connected by input interface with monitoring device, and input interface is used as consumption
The two lines bus signal of control system and the nonpolarity switching signal input interface of hand/automatic switch;External power supply passes through power supply
Interface provides electric energy for monitoring device, power interface as 12V dc sources input interface.
The present invention proposes a kind of fire control system automated watch-keeping facility with GPRS data transporting function, in control
Signal is read on hand/automatic switch inside cabinet, except that will be automatically controlled by traditional switching signal and two lines bus means
The signal of state is sent to fire protection control room, and can be by GPRS remote transmission devices by its signal teletransmission is to public security fire-fighting department or disappears
Anti- remote monitoring center is monitored in real time, and the control model of monitoring fire fighting device, supervises unit to be in automatic fire-fighting facility in real time
Auto state, so that it is guaranteed that fire control system plays its practical function.
Brief description of the drawings
Fig. 1 is functional block diagram;
Fig. 2 is processor circuit;
Fig. 3 is electrification reset and detail programming circuit;
Fig. 4 is clock circuit;
Fig. 5 is two lines bus communicating circuit;
Fig. 6 is two lines bus signal isolation circuit;
Fig. 7 is monitoring switch input circuit;
Fig. 8 is buzzer alarm circuit;
Fig. 9 is indicator light circuit;
Figure 10 is system power supply circuit;
Figure 11 is signal isolation power circuit;
Figure 12 is GPRS transmission circuit;
Figure 13 is IP address coding circuit;
Figure 14 is input interface;
Figure 15 is power interface.
Embodiment
As shown in figure 1, the fire control system automated watch-keeping facility with GPRS data transporting function, including processor electricity
Road U8, the two lines bus communicating circuit being connected with processor circuit U8, monitoring switch input circuit, the acousto-optic report of field failure alarm
Alert circuit, field failure is alarmed by light emitting diode and buzzer, for needed for device offer power supply internal electric source
Change-over circuit, power supply, GPRS transmission circuit for needed for the system power supply circuit and signal isolation power circuit of device provide two-way
U4 and the IP address coding circuit that live IP address layout is provided for device, described two lines bus communicating circuit and external fire-fighting control
System signal communication linking processed, keeps the exchange of data, monitoring switch input circuit and fire control system hand/automatic switch
On-off signal signal is connected, and GPRS transmission circuit U 4 passes through satellite data transmission and fire-fighting general headquarters information exchange.
Described two lines bus communicating circuit is connected by two lines bus signal isolation circuit with processor circuit U8.
As shown in Fig. 2 microprocessor S9S12G32CALL_s of the described processor circuit U8 from FREESCALE series
32, pin 32 encapsulates LQFP32, and 5V power supplys are powered, 2 road serial communication interfaces, 20 road I/O input/output ports, processor circuit
U8 includes what is be connected with electrification reset and detail programming circuitPin and BKGD pins, the XTAL being connected with clock circuit
Pin and EXTAL pins, the PWM0 pins-PWM3 pins being connected with GPRS transmission circuit U 4, IOC0 pins-IOC3 pins,
TXD0 pins and RXD0 pins, the AN0 pins-AN7 pins being connected with IP address coding circuit, are connected with sound light alarming circuit
MISO0 pins, MOSI0 pins and SCK0 pins, the SS0 pins being connected with monitoring switch input circuit, with two lines bus communicate
Circuit or the TXD1 pins and RXD1 pins of the connection of two lines bus signal isolation circuit, VRH/VDDXRA pins pass through power filter electricity
Appearance is connected to VCC power ends, VSSXA pins and VSS pin power grounds, and TEST pins are hanging;
As shown in figure 3, described electrification reset and detail programming circuit include BDM debuggers JP1, BDM debugger
JP1BKGD pins are connected to processor circuit U8BKGD pins and are connected to VCC power ends, VDD by the 24th resistance R24
Pin is connected to VCC power ends, and BDM debugger JP1RESET pins are connected to VCC power ends by the 26th resistance R26,
RESET pins are grounded by the 25th resistance R25 and the 17th electric capacity C17 series-connection power supplies, the 25th resistance R25 and the tenth
Seven electric capacity C17 common ports are connected to processor circuit U8Pin, NC pins and GND pin power ground, VFP pins hang
It is empty;
As shown in figure 4, described clock circuit includes crystal oscillator XT1, crystal oscillator XT1 two ends are respectively connecting to
Processor circuit U8XTAL pins and EXTAL pins, and crystal oscillator XT1 two ends pass through the 18th electric capacity C18 and the 19th
Electric capacity C19 power grounds;
Described power filtering capacitor includes the 20th electric capacity and second being connected in parallel between VCC power ends and power ground
Ten electric capacity.
As shown in figure 5, described two lines bus communicating circuit includes bus master communication interface chip U1 and nonpolarity two-way
Circuit, described nonpolarity two-way circuit includes the second diode D2 and the 3rd diode D3 of series connection, the four or two pole of series connection
Pipe D4 and the 5th diode D5, and the second diode D2 negative electrodes are connected with the 4th diode D4 negative electrodes, the second diode D2 anodes
The 3rd diode D3 negative electrodes are connected to, the 4th diode D4 anodes are connected to the 5th diode D5 negative electrodes, the 3rd diode D3 sun
Pole is connected with the 5th diode D5 anodes;
Described bus master communication interface chip U1SIN pins are connected to the second diode D2 negative electrodes, the 4th diode
The common port of the common port of D4 negative electrodes and the 6th diode D6 anodes, the second diode D2 anodes and the 3rd diode D3 negative electrodes connects
It is connected to two lines bus signal first input end BUS1, the common port of the 4th diode D4 anodes and the 5th diode D5 negative electrodes is connected to
Two lines bus signal the second input BUS2, two lines bus signal first input end BUS1 and the second input of two lines bus signal BUS2 it
Between be parallel with the first voltage-regulator diode D1 and the first electric capacity C1, the second electric capacity C2 series arms, and the electricity of the first electric capacity C1 and second
Hold C2 common port signal grounds, the forceful electric power that the first voltage-regulator diode D1 is used for bus entrance is protected, the electricity of the first electric capacity C1 and second
Holding C2 is used to coordinate the first voltage-regulator diode D1 to do bus filter processing, and bus master communication interface chip U1VCC pins pass through
First resistor R1 is connected to the 6th diode D6 negative electrodes, and the 3rd electric capacity C3 and the 4th electric capacity C4 are connected in parallel to bus master communication interface
Between chip U1VCC pins and GND pin, the 3rd electric capacity C3 negative poles and GND pin signal ground, VOUT pins and SEL pins
It is connected to 5V power supplys and by the 5th electric capacity C5 signal grounds, RXD pins pass through two lines bus signal isolation circuit or the 6th resistance
Processor circuit U8RXD1 pins are connected to, if desired for signal isolation then by two lines bus signal isolation circuit, need not such as be believed
Number isolation then by the 6th resistance, TXD pins are connected to processor circuit by two lines bus signal isolation circuit or the 7th resistance
U8TXD1 pins, if desired for signal isolation then by two lines bus signal isolation circuit, the 7th is passed through if isolating in undesired signal
Resistance, NC pins are hanging.
As shown in fig. 6, described two lines bus signal isolation circuit includes the first photo-coupler U2 and the second photo-coupler U3,
Wherein the first photo-coupler U2AN pins are connected to 5V power supplys and the second photo-coupler U3VCC pins and EN pins, the first optocoupler
Clutch U2CATH pins are connected to bus master communication interface chip U1RXD pins, the first photo-coupler by second resistance R2
U2VCC pins and EN pins are connected to VCC power ends and the second photo-coupler U3AN pins, the first photo-coupler U2OUT pins
It is connected to processor circuit U8RXD1 pins and the first photo-coupler U2VCC pins is connected to by the 4th resistance R4 and EN draws
Pin, the first photo-coupler U2GND pins power ground and by the 7th electric capacity C7 be connected to the first photo-coupler U2VCC pins and
EN pins, NC pins and NC1 pins are hanging, and two lines bus signal is inputted by SIN pins, are solved through bus master communication interface chip U1
TTL signal is exported by RXD pins after tune, transmitted after the first photo-coupler U2 to processor circuit U8;
Second photo-coupler U3OUT pins are connected to bus master communication interface chip U1TXD pins and by the 3rd electricity
Resistance R3 is connected to the second photo-coupler U3VCC pins and EN pins, the second photo-coupler U3GND leg signals ground connection and passes through the
Six electric capacity C6 are connected to 5V power supplys, and the second photo-coupler U3CATH pins are connected to processor circuit by the 5th resistance R5
U8TXD1 pins, NC pins and NC1 pins are hanging, the TTL signal of processor circuit U8 outputs after the second photo-coupler U3, by
TXD pin input bus master station communication interface chip U1, it is up into modulated signal in bus.
As shown in fig. 7, described monitoring switch input circuit includes the 3rd photo-coupler U5, the 3rd photo-coupler U5CATH
Pin is connected to fire control system hand/automatic switch first is nonpolarity switch terminals Z1, AN pins by the 20th resistance R20
It is connected to VDD power ends, fire control system hand/automatic switch second is nonpolarity switch terminals Z2 and signal ground, VCC pin
VCC power ends are connected to EN pins, OUT pins are connected to processor circuit U8SS0 pins and by the 21st resistance R21
It is connected to the 3rd photo-coupler U5VCC pins and EN pins, GND pin power ground and is connected to by the 12nd electric capacity C12
VCC pin and EN pins, NC pins and NC1 pins are hanging, the nonpolarity switch letter of Z1 and Z2 for inputting hand/automatic switch
Number, transmitted after the 3rd photo-coupler U5 signal isolations to processor circuit U8;
3rd photo-coupler U5 plays a part of level conversion and signal isolation, and such as undesired signal is isolated, described prison
Slowdown monitoring switch input circuit can be connected between VDD power ends and VCC power ends by the 22nd resistance, and the 23rd resistance connects
It is connected between signal ground and power ground, by switching signal isolation features short circuit, the effect for making it only serve level conversion, electricity
Source VDD is obtained by the module of DC-DC power source circuit U 7.
As shown in figure 8, described sound light alarming circuit includes buzzer alarm circuit and indicator light circuit, buzzer warning
Circuit includes buzzer M1, and buzzer M1IN+ pins are connected to VCC power ends, and IN1 pins are connected to the second triode Q2 current collections
Pole, the second triode Q2 emitter stage power grounds, the second triode Q2 base stages are connected to processor electricity by the 16th resistance R16
Road U8SCK0 pins, the 17th resistance R17 and the 31st electric capacity C31 are connected in parallel to the second triode Q2 base stages and connect with power supply
Between ground;
As shown in figure 9, indicator light circuit includes the first light emitting diode D7 and the second light emitting diode D8, respectively as work
Make power supply indicator and alarm lamp, the first light emitting diode D7 anodes and the second light emitting diode D8 anodes are connected to VCC
Power end, the first light emitting diode D7 negative electrodes are connected to processor circuit U8MOSI0 pins, second by the 18th resistance R18
Light emitting diode D8 negative electrodes are connected to processor circuit U8MISO0 pins by the 19th resistance R19.
As shown in Figure 10, described internal electric source change-over circuit includes system power supply circuit and signal isolation power circuit,
Wherein system power supply circuit includes integrated stable voltage circuit U6, and integrated stable voltage circuit U6IN pins are connected to 12V power supplys, the 9th voltage stabilizing
Diode D9 negative electrodes, the 13rd electric capacity C13 positive poles and the 14th electric capacity C14 one end are connected to IN pins, the 9th voltage-regulator diode
D9 anodes, the 13rd electric capacity C13 negative poles and the 14th electric capacity C14 other end power grounds, OUT pins are defeated by the first inductance L1
Go out to VCC power ends, FB pins are connected to VCC power ends, GND pin and ON/OFF pin power grounds, the pole of the tenth voltage stabilizing two
Pipe D10 negative electrodes are connected to OUT pins, and the 15th electric capacity C15 positive poles and the 16th electric capacity C16 one end are connected to VCC power ends, the
Ten voltage-regulator diode D10 anodes, the 15th electric capacity C15 negative poles and the 16th electric capacity C16 other end power grounds, system power supply electricity
The 12V Power converts that road inputs power interface J2 is the 5V power supplys needed for circuit system;
As shown in figure 11, signal isolation power circuit includes DC-DC power source circuit U 7, and DC-DC power source circuit U 7VIN+ draws
Pin is connected to VCC power ends, and VOUT+ pins are connected to VDD power ends, and VIN- pin power grounds, VOUT- leg signals connect
Ground, DC-DC power source circuit U 7 generates another group of electrically completely isolated 5V power supply by the 5V power supplys of system, as nonpolarity
The insulating power supply of input is used.
As shown in figure 12, described GPRS transmission circuit U 4LINK1 pins and LINK2 pins are respectively connecting to processor electricity
Road U8IOC0 pins and IOC1 pins, GPRS transmission circuit U 4LINK3 pins and LINK4 pins respectively by the 8th resistance R8 and
9th resistance R9 is connected to processor circuit U8IOC2 pins and IOC3 pins, GPRS transmission circuit U 4UTXD1 pins and URXD1
Pin is respectively connecting to processor circuit U8RXD0 pins and TXD0 pins, and GPRS transmission circuit U 4WORK pins are connected to processing
Device circuit U 8PWM2 pins, GPRS transmission circuit U 4POWKEY pins are connected to the first FET Q1 drain electrodes, grid by the
Ten resistance R10 are connected to processor circuit U8PWM1 pins, and GPRS transmission circuit U 4GND pins are connected to the first FET Q1
Source electrode and power ground, GPRS transmission circuit U 4RESET pins and RELOAD pins are respectively connecting to reset circuit and data are extensive
Compound circuit, GPRS transmission circuit U 4RE485_EN pins are connected to processor circuit U8PWM3 pins by the 11st resistance R11,
GPRS transmission circuit U 4LINK pins are connected to processor circuit U8PWM0 pins, and GPRS transmission circuit U 4VCAP pins are connected to
8th electric capacity C8 positive poles, DC5-18V pins are connected to VCC power ends and the 9th electric capacity C9 positive poles, the 8th electric capacity C8 negative poles and
Nine electric capacity C9 negative power supplies are grounded, NC1 pins, NC2 pins, RCV_N pins, RCV_P pins, MIC_N pins and MIC_P pins
Vacantly;
Described reset circuit includes the first button SW1, and first button SW1 one end is connected to GPRS transmission circuit
U4RESET pins, VCC power ends are connected to by the 12nd resistance R12 and pressed by the tenth electric capacity C10 power grounds, first
The key SW1 other ends pass through the 13rd resistance R13 power grounds;
Described data recovery circuit includes the second button SW2, and second button SW2 one end is connected to GPRS transmission circuit
U4RELOAD pins, it is connected to by the 14th resistance R14 VCC power ends and by the 11st electric capacity C11 power grounds, second
The button SW2 other ends pass through the 15th resistance R15 power grounds.
As shown in figure 13, described IP address coding circuit includes toggle switch SW3, and toggle switch SW3 pins connect respectively
Processor circuit U8AN0-AN7 pins are connected to, one group of coded address is provided for device, is 0-255, convenient scene is entered to device
Row IP address layout.
As shown in Figure 14, Figure 15, two lines bus signal first input end BUS1 and the second input of two lines bus signal BUS2, disappear
Anti- control system hand/automatic switch first the is nonpolarity nonpolarity switch terminals Z2 of switch terminals Z1 and second by input interface J1 with
Monitoring device is connected, and input interface J1 is opened as the two lines bus signal and the nonpolarity of hand/automatic switch of control of consumption system
OFF signal input interface;External power supply provides electric energy by power interface J2 for monitoring device, and power interface J2 is used as 12V direct currents
The input interface of power supply.
The switch set in the fire separation such as fire resisting shutter of normal automatic sprinkler system and coordinated signals facility
When being placed in auto state, the first nonpolarity nonpolarity switch terminals Z2 of switch terminals Z1 and second nonpolarity switching signal passes through the 3rd
After the isolation conversion of photo-coupler U5 photosignals, processor circuit U8 is input to through input interface J1, by input signal
After level is judged, confirm that the position of the switch now is the normal condition in auto state, therefore processor circuit U8 is not
The function such as sound and light alarm and data remote is started to scene.
When the fire separation facility such as fire resisting shutter of automatic sprinkler system and coordinated signals is arranged on by operating personnel
During manual state of a control, or switching device now is when breaking down, hand/automatic switch first is nonpolarity switch terminals Z1 and
Second nonpolarity switch terminals Z2 nonpolarity switching signal is transmitted to processing by input interface J1 through monitoring switch input circuit
Device circuit U 8, processor circuit U8, will by GPRS transmission circuit U 4 in the case where judging that switch is not in normal requirement
The teletransmission simultaneously of the data such as the state of monitoring signals and the IP address of the present apparatus monitors each in real time to the master console of fire-fighting general headquarters
The control model of fire fighting device, and field failure is alarmed by sound light alarming circuit, it is ensured that fire control system is played
Its practical function.