CN207650603U - Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation - Google Patents
Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation Download PDFInfo
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- CN207650603U CN207650603U CN201721793024.2U CN201721793024U CN207650603U CN 207650603 U CN207650603 U CN 207650603U CN 201721793024 U CN201721793024 U CN 201721793024U CN 207650603 U CN207650603 U CN 207650603U
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Abstract
The utility model discloses a kind of tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substations, are made of power circuit, microprocessor circuit, reset circuit, Temperature Humidity Sensor interface circuit, communication interface circuit and photoelectricity and the double isolation control output circuits of electromagnetism.Power circuit is connected with the double control output circuits of being isolated of microprocessor circuit, Temperature Humidity Sensor interface circuit, photoelectricity and electromagnetism respectively, respectively power supply needed for the double isolation control output circuits offers of microprocessor circuit, Temperature Humidity Sensor interface circuit, photoelectricity and electromagnetism；Reset circuit is connected with microprocessor circuit, and reset signal is provided for microprocessor circuit；Microprocessor circuit is isolated control output circuit with Temperature Humidity Sensor interface circuit, communication interface circuit, photoelectricity and electromagnetism pair respectively and is connected, and is respectively completed the acquisition of humiture information, control function is isolated with the communication of main website, to the photoelectricity and electromagnetism pair of electric tracing heating cable.
Description
Technical field
The utility model belongs to the long-range monitoring and warning technical field of tunnel fire protection pipeline leak-proof anti-freezing, and in particular to a kind of tunnel
The humiture information collection of the long-range monitoring and warning system of road fire protection pipeline leak-proof anti-freezing and the control to fire protection pipeline electric tracer heating system
Control equipment.It is mainly used in the long-range monitoring and warning control management technical field of freeway tunnel fire protection pipeline leak-proof anti-freezing,
It is equally applicable to the management domain with same technique demand.
Background technology
In recent years, ratio of the tunnel in highway construction is higher and higher.With the continuous growth of tunnel quantity, vcehicular tunnel
Fire-fighting system has extremely important function and significance in assuring the safety for life and property of the people.Vcehicular tunnel extinguishing pipe at present
Road it is antifreeze use electric tracer heating system, but there are when electric tracing damage can not in time monitoring and warning severe compromise, it is this hidden
Trouble directly threatens environment, the safety of people's lives and properties；Especially current vcehicular tunnel there is no fire protection pipeline leakage prison
Examining system must all raise pipeline cover board when searching breakthrough, and whole section of insulating layer, which peels off, to be searched.Not only influencing tunnel just
It is often used, also adds tunnel traffic security risk and environment pollution problem.Therefore, it is badly in need of a kind of to fire-fighting pipe leakage
Long-range monitoring and warning, the equipment that control is monitored to electric tracer heating system are carried out with temperature conditions.
Utility model content
Blank and existing defect problem of the utility model for prior art function, provide a kind of fire protection pipeline leakproof
The sub-station equipment of antifreeze long-range monitoring and warning control.
The technical solution of the utility model is：
Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation is set to fire protection pipeline cable duct or fire-fighting control in tunnel
In case, for carrying out data of the Temperature and Humidity module information collection to fire protection pipeline Temperature Humidity Sensor, and receives monitoring and warning main website and issue
Instruction, the humiture information of acquisition is uploaded to monitoring and warning main website, is executed to the temperature control function of electric tracer heating system, prison
Observing and controlling substation is by power circuit, microprocessor circuit, reset circuit, Temperature Humidity Sensor interface circuit, communication interface circuit
With photoelectricity and the double isolation control output circuit compositions of electromagnetism.Power circuit connects with microprocessor circuit, Temperature Humidity Sensor respectively
Mouth circuit, photoelectricity are connected with the double isolation control output circuits of electromagnetism, respectively microprocessor circuit, Temperature Humidity Sensor interface electricity
The double isolation control output circuits of road, photoelectricity and electromagnetism provide required power supply；Reset circuit is connected with microprocessor circuit, is micro-
Processor circuit provides reset signal；Microprocessor circuit respectively with Temperature Humidity Sensor interface circuit, communication interface circuit, light
Electricity is connected with the double isolation control output circuits of electromagnetism, is respectively completed the acquisition of humiture information and the communication of main website, to electric companion
The double isolation control functions of the photoelectricity and electromagnetism of fever cable.
As a kind of preferred embodiment of the utility model, power circuit described in the utility model is by connecting terminal
It is J2, transient supression diode (TVS) D8, ABS6 rectifier bridge U8, fuse F8, rectifier diode DJ6, rectifier diode DJ5, whole
Flow diode DJ4, LM7805 regulator block U9, electrolytic capacitor C21, electrolytic capacitor C17, filter capacitor C18, B0505 isolated power supply
DC2, capacitance C23, capacitance C25, B0505 isolated power supply DC3, capacitance C31, capacitance C32, current-limiting resistance R7, light emitting diode L6
Composition, connecting terminal J2 feet 1 meet 485_B1, and connecting terminal J1 feet 2 meet 485_A1, and connecting terminal J2 feet 3 connect two pole of transient supression
Pipe one end (TVS) D8 is simultaneously connected with rectifier bridge U8 feet 3, and connecting terminal J2 feet 4 meet fuse F8, and fuse F8 meets rectifier bridge U8
Foot 4 is simultaneously connected with transient supression diode (TVS) D8 other ends, and rectifier bridge U8 completes the nonpolarity access to input power
It is required that function, wherein rectifier bridge U8 feet 1 connect rectifier diode DJ6 anode, and rectifier diode DJ6 cathode connect rectifier diode
DJ5 anodes, rectifier diode DJ5 cathode connect rectifier diode DJ4 anodes, and rectifier diode DJ4 cathode connect regulator block U9 feet 1,
And be connected with electrolytic capacitor C21 anodes, 12V power supplys, utilize rectifier diode DJ6, rectifier diode DJ5 and rectifier diode
The series connection pressure drop of DJ4, solves the ineffective power consumption heating problem of regulator block U9, and regulator block U9 realizes the voltage stabilizing of 12V to+5V power supplys
Conversion, wherein regulator block U9 feet 2 and rectifier bridge U8 feet 2, electrolytic capacitor C21 cathode, electrolytic capacitor C17 cathode, filter capacitor C18
One end is connected and is grounded, and regulator block U9 feet 3 connect the filter capacitor C18 other ends, and with+5V power supplys, electrolytic capacitor C17 anode phases
Connection, isolated power supply DC2 complete a pair isolation features for+5V power supplys, and wherein isolated power supply DC2 feet 1 connect+5V power supplys, isolation electricity
Source DC2 feet 2 are grounded, and isolated power supply DC2 feet 1 are connected with the both ends capacitance C23 respectively with foot 2, and isolated power supply DC2 feet 3 connect
Isolator, isolated power supply DC2 feet 4 connect+5VB_485 power supplys to EARTH_485, isolated power supply DC2 feet 3 and foot 4 respectively with capacitance C25
Both ends are connected, and isolated power supply DC3 completes a pair isolation features for+5V power supplys, and wherein isolated power supply DC3 feet 1 connect+5V power supplys,
Isolated power supply DC3 feet 2 are grounded, and isolated power supply DC3 feet 1 are connected with the both ends capacitance C31 respectively with foot 2, isolated power supply DC3 feet 3
Meet EARTH_JDQ isolator, isolated power supply DC3 feet 4 connect+5VB_JDQ power supplys, isolated power supply DC3 feet 3 and foot 4 respectively with capacitance
The both ends C32 are connected, mono- termination+5V power supplys of power supply indicator current-limiting resistance R7, and other end sending and receiving optical diode L6 anodes shine
Diode L6 cathode are grounded.
As a kind of preferred embodiment of the utility model, microprocessor circuit described in the utility model by
PIC18F67K40 microprocessor U10,14.7456MHz crystal oscillators Y2, capacitance C24, capacitance C22, current-limiting resistance R6, light emitting diode
L5, current-limiting resistance R5, light emitting diode L4, filter capacitor C19, filter capacitor C20 compositions.Microprocessor U10 utilizes humiture
One line interface agreement of sensor completes substation to the detection function of affiliated sensor, and wherein microprocessor U10 feet 1 connect
Data1, microprocessor U10 foot 2 meets Data2, and microprocessor U10 feet 9 are grounded, and microprocessor U10 feet 10 meet+5V power supplys, micro- place
Reason device U10 feet 17 meet JD1, and microprocessor U10 feet 18 meet JD2, and microprocessor U10 feet 31 meet TX1, and microprocessor U10 feet 32 connect
RX1, microprocessor U10 foot 33 meets EN1, and microprocessor U10 feet 37 meet ICSPDAT, and microprocessor U10 feet 38 connect+5V power supplys, micro-
Processor U10 feet 39 meet OSC_OUT, and are connected with the one end crystal oscillator Y2, the one end capacitance C24, capacitance C24 other ends ground connection, micro-
Processor U10 feet 40 meet OSC_IN, and are connected with the crystal oscillator Y2 other ends, the one end capacitance C22, capacitance C22 other ends ground connection, brilliant
Shake Y2 and capacitance C24, capacitance C22 composition dominant frequency oscillating circuits, provides the working frequency of microprocessor, microprocessor U10 feet 41
Ground connection, microprocessor U10 feet 42 meet ICSPCLK, and microprocessor U10 feet 47 meet current-limiting resistance R6, the current-limiting resistance R6 other ends with
The connection of indication light diode L5 anodes, light emitting diode L5 cathode ground connection are run, microprocessor U10 feet 48 connect current-limiting resistance
R5, the current-limiting resistance R5 other ends are connect with police instruction light emitting diode L4 anodes, light emitting diode L4 cathode ground connection, filtered electrical
Hold mono- termination+5V power supplys of C19, other end ground connection, mono- termination+5V power supplys of filter capacitor C20, other end ground connection.
As a kind of preferred embodiment of the utility model, reset circuit described in the utility model is by row's needle P2, electricity
Hold C28, resistance R8, IMP809 power monitoring chip U12 compositions.Row's needle P2 feet 1 meet Vpp, and with the one end capacitance C28, resistance R8
One end is connected, and row needle P2 feet 2 connect+5V power supplys, and row needle P2 feet 3 are grounded, and row needle P2 feet 4 meet ICSPDAT, and row needle P2 feet 5 connect
ICSPCLK, power monitoring chip U12 complete the reset function to microprocessor U10, and wherein power monitoring chip U12 feet 1 connect
Ground, the 2 connecting resistance R8 other ends of power monitoring chip U12 feet, power monitoring chip U12 feet 3 connect+5V power supplys.Reset circuit is used for
Ensure microprocessor circuit normal work.
As a kind of preferred embodiment of the utility model, Temperature Humidity Sensor interface circuit described in the utility model
By connecting terminal J4, pull-up resistor R10, protective resistance R12, filter capacitor C30, connecting terminal J3, pull-up resistor R9, protection electricity
Hinder R11, filter capacitor C29 compositions.Temperature Humidity Sensor interface circuit is made of multiple Temperature Humidity Sensor interfaces, in this range
It is interior to configure interface quantity according to actual conditions.In first humiture capacitance sensor interface, connecting terminal J4 and humiture
Sensor connects, and completes the function of the power supply and data of the Temperature and Humidity module information collection to sensor, and connecting terminal J4 feet 1 connect drawing electricity
The one end R10 is hindered, and is connected with+5V power supplys, connecting terminal J4 feet 2 are connected with the pull-up resistor R10 other ends, and connect protection electricity
R12, another termination Data1 of protective resistance R12 are hindered, connecting terminal J4 feet 3 are grounded, and mono- termination+5V, C30 of filter capacitor C30 are another
End ground connection, in second humiture capacitance sensor interface, connecting terminal J3 is connect with Temperature Humidity Sensor, is completed to sensing
The function of the power supply and data of the Temperature and Humidity module information collection of device, connecting terminal J3 feet 1 connect the one end pull-up resistor R9, and with+5V power supplys
It is connected, connecting terminal J3 feet 2 are connected with the pull-up resistor R9 other ends, and meet protective resistance R11, and protective resistance R11 is another
Data2 is terminated, connecting terminal J3 feet 3 are grounded, mono- termination+5V of filter capacitor C29, filter capacitor C29 other ends ground connection.
As a kind of preferred embodiment of the utility model, communication interface circuit described in the utility model by
ADM2483RS485 chips U11, capacitance C27, transient supression diode (TVS) D10, fuse F10, transient supression diode
(TVS) D9, fuse F9, capacitance C26 compositions.Using RS485 chips U11 as the circuit of core, microprocessor and main website are completed
RS485 interface communication functions, wherein RS485 chips U11 feet 1 connect+5V power supplys, the one end shunt-wound capacitance C27, the capacitance C27 other ends
Ground connection, RS485 chip U11 feet 2 are grounded, and RS485 chip U11 feet 3 connect RX1, RS485 chip U11 feet 4, RS485 chip U11 feet 5
EN1 is met, RS485 chip U11 feet 6 meet TX1, and RS485 chip U11 feet 7 connect+5V power supplys, and RS485 chip U11 feet 8 are grounded, RS485
Chip U11 feet 9 meet EARTH_485 isolator, and RS485 chip U11 feet 12 connect transient supression diode (TVS) D10 cathode, and with
Fuse F10 is connected, and the fuse F10 other ends are connected with 485_A1, and RS485 chip U11 feet 13 connect two pole of transient supression
(TVS) D9 cathode are managed, and are connected with fuse F9, the fuse F9 other ends are connected with 485_B1, transient supression diode
(TVS) D10 anodes, transient supression diode (TVS) D9 anodes meet EARTH_485 isolator, RS485 chip U11 feet 15 and electricity
Hold C26 one end to be connected and meet EARTH_485 isolator, RS485 chip U11 feet 16 connect the capacitance C26 other ends and with+5VB_
485 power supplys are connected.
As a kind of preferred embodiment of the utility model, the double isolation controls of photoelectricity and electromagnetism described in the utility model
Output circuit is by PC817 photoelectric isolated chips GD1, resistance R13, resistance R14, resistance R15, S9013NPN triode Q1, resistance
R16, HF49FD relay K1, sustained diode J7, connecting terminal J5, PC817 photoelectric isolated chip GD2, resistance R17, resistance
R18, resistance R19, S9013NPN triode Q1, resistance R20, HF49FD relay K2, sustained diode J8, connecting terminal J6
Composition.Photoelectricity and the double isolation control output circuits of electromagnetism are made of 2 photoelectricity and the double isolation control outputs of electromagnetism, first photoelectricity
Temperature, which are completed, with the double isolation control output circuits of electromagnetism controls output functions, 1 one end connecting resistance R13 of photoelectric isolated chip GD1 feet,
Another termination JD1 of resistance R13, photoelectric isolated chip GD1 feet 2 are grounded, the indirect resistance of photoelectric isolated chip GD1 feet 1 and foot 2
3 connecting resistance R15 of R14, photoelectric isolated chip GD1 foot, another termination NPN triode Q1 base stages of resistance R15 and connecting resistance R16 mono-
End, another termination NPN triode Q1 emitter-base bandgap gradings of resistance R16 simultaneously meet EARTH_JDQ isolator, and photoelectric isolated chip GD1 feet 4 connect+
5VB_JDQ, NPN triode Q1 collector connecting relay K1 foot 3 is simultaneously connected with sustained diode J7 anodes, relay K1 feet 1
Connect connecting terminal J5 feet 1, relay K1 feet 2 connect connecting terminal J5 feet 2, relay K1 feet 4 connect+5VB_JDQ and with two pole of afterflow
Pipe DJ7 cathode are connected, and second photoelectricity and the double isolation control output circuits of electromagnetism are as spare, photoelectric isolated chip GD2 feet 1
The one end connecting resistance R17, another termination JD2 of resistance R17, photoelectric isolated chip GD2 feet 2 be grounded, photoelectric isolated chip GD2 feet 1 with
3 connecting resistance R19 of the indirect resistance R18 of foot 2, photoelectric isolated chip GD2 foot, another termination NPN triode Q1 base stages of resistance R19 are simultaneously
The one end connecting resistance R20, another termination NPN triode Q1 emitter-base bandgap gradings of resistance R20 simultaneously meet EARTH_JDQ isolator, photoelectric isolated chip
GD2 feet 4 meet+5VB_JDQ, and NPN triode Q1 collector connecting relay K2 feet 3 are simultaneously connected with sustained diode J8 anodes, after
Electric appliance K2 feet 1 connect connecting terminal J6 feet 1, and relay K2 feet 2 connect connecting terminal J6 feet 2, relay K2 feet 4 connect+5VB_JDQ and with
Sustained diode J8 cathode are connected
Compared with prior art, the utility model has the advantages that：
1, this leak-proof anti-freezing remotely monitors the spies such as main website simple in structure with its, highly practical, using flexible, install convenient
Point is used to carry out comprehensive Monitoring and forecasting system in real-time to the current intelligence of fire-fighting pipe leakage and temperature for the first time and have to electrically heat tracing
Effect control, solves tunnel fire protection pipeline leak-proof anti-freezing and to the technical barrier that electric tracing control effectively, realizes and offset
The leak of anti-pipeline and the monitoring and warning technical functionality of heating cable working condition, have filled up tunnel fire protection pipeline leak-proof anti-freezing
Monitoring and warning technological gap.
2, this fire protection pipeline leak-proof anti-freezing Monitor Sub-Station of Less solves current tunnel fire protection pipeline and uses the easy bursting by freezing of electric tracing, deposits
The problem of can not detecting discovery in time when electric tracing damages, and fire protection pipeline monitoring of leakage function is provided, for fire protection pipeline
The position of operation irregularity situation, which is acquired, to be found to upload in time, and early warning abnormal position information, prompts administrative staff timely, accurate
Abnormal position is really reached to be safeguarded.It is time saving, laborsaving, economical by troubleshooting in budding state, traffic is reduced to the maximum extent
The security risk and current congestion problem that control is brought.Preferably play what tunnel fire protection system assured the safety for life and property of the people
Important function.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the power circuit diagram of the utility model；
Fig. 3 is the microcontroller circuit figure of the utility model；
Fig. 4 is the reset circuit figure of the utility model；
Fig. 5 is the Temperature Humidity Sensor interface circuit figure of the utility model；
Fig. 6 is the communication interface circuit figure of the utility model；
Fig. 7 is the photoelectricity and the double isolation control output circuit figures of electromagnetism of the utility model.
Specific implementation mode
Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation, by power circuit, microprocessor circuit, reset circuit, temperature
The double isolation control output circuit compositions of humidity sensor interface circuit, communication interface circuit, photoelectricity and electromagnetism.Each circuit connection is closed
System is as follows：
Monitoring and controlling substation composition connection relation is shown in Fig. 1, power circuit respectively with microprocessor circuit, Temperature Humidity Sensor
The double isolation control output circuits of interface circuit, photoelectricity and electromagnetism connect, respectively microprocessor circuit, Temperature Humidity Sensor interface
The double isolation control output circuits of circuit, photoelectricity and electromagnetism provide required power supply；Reset circuit is connected with microprocessor circuit, is
Microprocessor circuit provides reset signal；Microprocessor circuit respectively with Temperature Humidity Sensor interface circuit, communication interface circuit,
Photoelectricity is connected with the double isolation control output circuits of electromagnetism, is respectively completed the acquisition of humiture information and the communication of main website, to electricity
The double isolation control functions of the photoelectricity and electromagnetism of heat tracing heating cable.
Physical circuit connection relation is as follows：
Power circuit is shown in Fig. 2, and power circuit is by connecting terminal J2, transient supression diode (TVS) D8, ABS6 rectifier bridge
U8, fuse F8, rectifier diode DJ6, rectifier diode DJ5, rectifier diode DJ4, LM7805 regulator block U9, electrolytic capacitor
C21, electrolytic capacitor C17, filter capacitor C18, B0505 isolated power supply DC2, capacitance C23, capacitance C25, B0505 isolated power supply
DC3, capacitance C31, capacitance C32, current-limiting resistance R7, light emitting diode L6 compositions, connecting terminal J2 feet 1 connect 485_B1, terminals
Sub- J1 feet 2 meet 485_A1, and connecting terminal J2 feet 3 connect transient supression diode one end (TVS) D8 and are connected with rectifier bridge U8 feet 3
It connects, connecting terminal J2 feet 4 meet fuse F8, and fuse F8 connects rectifier bridge U8 feet 4 and another with transient supression diode (TVS) D8
End is connected, and rectifier bridge U8 completes the function of the nonpolarity access requirement to input power, and wherein rectifier bridge U8 feet 1 connect rectification
Diode DJ6 anodes, rectifier diode DJ6 cathode connect rectifier diode DJ5 anodes, and rectifier diode DJ5 cathode connect rectification two
Pole pipe DJ4 anodes, rectifier diode DJ4 cathode connect regulator block U9 feet 1, and are connected with electrolytic capacitor C21 anodes, 12V power supplys,
Using the series connection pressure drop of rectifier diode DJ6, rectifier diode DJ5 and rectifier diode DJ4, the lost work of regulator block U9 is solved
Consume heating problem, regulator block U9 realizes the voltage stabilizing conversion of 12V to+5V power supplys, wherein regulator block U9 feet 2 and rectifier bridge U8 feet 2,
Electrolytic capacitor C21 cathode, electrolytic capacitor C17 cathode, the one end filter capacitor C18 are connected and are grounded, and regulator block U9 feet 3 connect filtering
The capacitance C18 other ends, and be connected with+5V power supplys, electrolytic capacitor C17 anodes, isolated power supply DC2 completes pair+5V power supplys
Isolation features, wherein isolated power supply DC2 feet 1 connect+5V power supplys, and isolated power supply DC2 feet 2 are grounded, and isolated power supply DC2 feet 1 divide with foot 2
It is not connected with the both ends capacitance C23, isolated power supply DC2 feet 3 meet EARTH_485 isolator, and isolated power supply DC2 feet 4 meet+5VB_
485 power supplys, isolated power supply DC2 feet 3 are connected with the both ends capacitance C25 respectively with foot 4, and isolated power supply DC3 completes a pair+5V power supplys
Isolation features, wherein isolated power supply DC3 feet 1 connect+5V power supplys, and isolated power supply DC3 feet 2 are grounded, isolated power supply DC3 feet 1 and foot 2
It is connected respectively with the both ends capacitance C31, isolated power supply DC3 feet 3 meet EARTH_JDQ isolator, and isolated power supply DC3 feet 4 meet+5VB_
JDQ power supplys, isolated power supply DC3 feet 3 are connected with the both ends capacitance C32 respectively with foot 4, and power supply indicator current-limiting resistance R7 mono- is terminated
+ 5V power supplys, other end sending and receiving optical diode L6 anodes, light emitting diode L6 cathode ground connection.
Microprocessor circuit is shown in Fig. 3, and microprocessor circuit is by PIC18F67K40 microprocessor U10,14.7456MHz crystal oscillators
Y2, capacitance C24, capacitance C22, current-limiting resistance R6, light emitting diode L5, current-limiting resistance R5, light emitting diode L4, filter capacitor
C19, filter capacitor C20 compositions.Microprocessor U10 utilizes a line interface agreement of Temperature Humidity Sensor, completes substation to affiliated
The detection function of sensor, wherein microprocessor U10 feet 1 meet Data1, and microprocessor U10 feet 2 meet Data2, microprocessor U10
Foot 9 is grounded, and microprocessor U10 feet 10 connect+5V power supplys, and microprocessor U10 feet 17 meet JD1, and microprocessor U10 feet 18 meet JD2, micro-
Processor U10 feet 31 meet TX1, and microprocessor U10 feet 32 meet RX1, and microprocessor U10 feet 33 connect EN1, microprocessor U10 feet 37
Meet ICSPDAT, microprocessor U10 feet 38 connect+5V power supplys, and microprocessor U10 feet 39 meet OSC_OUT, and with the one end crystal oscillator Y2, electricity
Hold C24 one end to be connected, capacitance C24 other ends ground connection, microprocessor U10 feet 40 meet OSC_IN, and with the crystal oscillator Y2 other ends, electricity
Hold the one end C22 to be connected, capacitance C22 other ends ground connection, crystal oscillator Y2 and capacitance C24, capacitance C22 form dominant frequency oscillating circuit, carry
For the working frequency of microprocessor, microprocessor U10 feet 41 are grounded, and microprocessor U10 feet 42 meet ICSPCLK, microprocessor U10
Foot 47 meets current-limiting resistance R6, and the current-limiting resistance R6 other ends are connect with operation indication light diode L5 anodes, light emitting diode L5
Cathode is grounded, and microprocessor U10 feet 48 meet current-limiting resistance R5, and the current-limiting resistance R5 other ends and police instruction light emitting diode L4 are just
Pole connects, light emitting diode L4 cathode ground connection, mono- termination+5V power supplys of filter capacitor C19, other end ground connection, filter capacitor C20 mono-
Termination+5V power supplys, other end ground connection.
Reset circuit is shown in Fig. 4, and reset circuit is by row's needle P2, capacitance C28, resistance R8, IMP809 power monitoring chip U12 groups
At.Row needle P2 feet 1 meet Vpp, and are connected with the one end capacitance C28, the one end resistance R8, and row needle P2 feet 2 meet+5V power supplys, row's needle P2
Foot 3 is grounded, and row needle P2 feet 4 meet ICSPDAT, and row needle P2 feet 5 meet ICSPCLK, and power monitoring chip U12 is completed to microprocessor
The reset function of U10, wherein power monitoring chip U12 feet 1 are grounded, the 2 connecting resistance R8 other ends of power monitoring chip U12 feet, electricity
Source monitoring chip U12 feet 3 connect+5V power supplys.Reset circuit is for ensureing that microprocessor circuit works normally.
Temperature Humidity Sensor interface circuit is shown in Fig. 5, and Temperature Humidity Sensor interface circuit is by connecting terminal J4, pull-up resistor
R10, protective resistance R12, filter capacitor C30, connecting terminal J3, pull-up resistor R9, protective resistance R11, filter capacitor C29 groups
At.Temperature Humidity Sensor interface circuit is made of multiple Temperature Humidity Sensor interfaces, is configured within this range according to actual conditions
Interface quantity.In first humiture capacitance sensor interface, connecting terminal J4 is connect with Temperature Humidity Sensor, is completed to passing
The function of the power supply and data of the Temperature and Humidity module information collection of sensor, connecting terminal J4 feet 1 connect the one end pull-up resistor R10, and electric with+5V
Source is connected, and connecting terminal J4 feet 2 are connected with the pull-up resistor R10 other ends, and meet protective resistance R12, and protective resistance R12 is another
One termination Data1, connecting terminal J4 feet 3 are grounded, and mono- termination+5V, the C30 other ends of filter capacitor C30 ground connection is warm and humid at second
It spends in capacitance sensor interface, connecting terminal J3 is connect with Temperature Humidity Sensor, completes the power supply to sensor and the warm and humid number of degrees
According to the function of information collection, connecting terminal J3 feet 1 connect the one end pull-up resistor R9, and are connected with+5V power supplys, connecting terminal J3 feet
2 are connected with the pull-up resistor R9 other ends, and meet protective resistance R11, protective resistance R11 another termination Data2, connecting terminal J3
Foot 3 is grounded, mono- termination+5V of filter capacitor C29, filter capacitor C29 other ends ground connection.
Communication interface circuit is shown in Fig. 6, and communication interface circuit is by ADM2483RS485 chips U11, capacitance C27, transient supression
Diode (TVS) D10, fuse F10, transient supression diode (TVS) D9, fuse F9, capacitance C26 compositions.With RS485 cores
Piece U11 is the circuit of core, completes the RS485 interface communication functions of microprocessor and main website, and wherein RS485 chips U11 feet 1 connect
+ 5V power supplys, the one end shunt-wound capacitance C27, capacitance C27 other ends ground connection, RS485 chip U11 feet 2 are grounded, RS485 chip U11 feet 3
RX1 is met, RS485 chip U11 feet 4, RS485 chip U11 feet 5 meet EN1, and RS485 chip U11 feet 6 meet TX1, RS485 chips U11
Foot 7 connects+5V power supplys, and RS485 chip U11 feet 8 are grounded, and RS485 chip U11 feet 9 meet EARTH_485 isolator, RS485 chips
U11 feet 12 connect transient supression diode (TVS) D10 cathode, and are connected with fuse F10, the fuse F10 other ends and 485_
A1 is connected, and RS485 chip U11 feet 13 connect transient supression diode (TVS) D9 cathode, and are connected with fuse F9, insurance
The silk F9 other ends are connected with 485_B1, transient supression diode (TVS) D10 anodes, transient supression diode (TVS) D9 anodes
Meeting EARTH_485 isolator, RS485 chip U11 feet 15 are connected with the one end capacitance C26 and meet EARTH_485 isolator,
RS485 chip U11 feet 16 connect the capacitance C26 other ends and are connected with+5VB_485 power supplys.
Photoelectricity and the double isolation control output circuits of electromagnetism are shown in Fig. 7, and photoelectricity and the double isolation control output circuits of electromagnetism are by PC817
Photoelectric isolated chip GD1, resistance R13, resistance R14, resistance R15, S9013NPN triode Q1, resistance R16, HF49FD relay
K1, sustained diode J7, connecting terminal J5, PC817 photoelectric isolated chip GD2, resistance R17, resistance R18, resistance R19,
S9013NPN triodes Q1, resistance R20, HF49FD relay K2, sustained diode J8, connecting terminal J6 compositions.Photoelectricity and electricity
The double isolation control output circuits of magnetic are made of 2 photoelectricity and the double isolation control outputs of electromagnetism, first photoelectricity and the double isolation of electromagnetism
Control output circuit completion temperature control output function, 1 one end connecting resistance R13 of photoelectric isolated chip GD1 feet, resistance R13 are another
JD1 is terminated, photoelectric isolated chip GD1 feet 2 are grounded, the indirect resistance R14 of photoelectric isolated chip GD1 feet 1 and foot 2, Phototube Coupling
Chip GD1 feet another termination NPN triode Q1 base stage of 3 connecting resistance R15, resistance R15 and the one end connecting resistance R16, resistance R16 are another
Termination NPN triode Q1 emitter-base bandgap grading simultaneously meets EARTH_JDQ isolator, and photoelectric isolated chip GD1 feet 4 connect+5VB_JDQ, NPN triode
Q1 collector connecting relay K1 feet 3 are simultaneously connected with sustained diode J7 anodes, and relay K1 feet 1 connect connecting terminal J5 feet 1,
Relay K1 feet 2 connect connecting terminal J5 feet 2, and relay K1 feet 4 meet+5VB_JDQ and are connected with sustained diode J7 cathode,
Second photoelectricity and the double isolation control output circuits of electromagnetism are as spare, 1 one end connecting resistance R17 of photoelectric isolated chip GD2 feet, electricity
Another termination JD2 of R17 are hindered, photoelectric isolated chip GD2 feet 2 are grounded, the indirect resistance R18 of photoelectric isolated chip GD2 feet 1 and foot 2,
Photoelectric isolated chip GD2 feet another termination NPN triode Q1 base stage of 3 connecting resistance R19, resistance R19 and the one end connecting resistance R20, electricity
Another termination NPN triode Q1 emitter-base bandgap gradings of resistance R20 simultaneously meet EARTH_JDQ isolator, and photoelectric isolated chip GD2 feet 4 meet+5VB_JDQ,
NPN triode Q1 collector connecting relay K2 feet 3 are simultaneously connected with sustained diode J8 anodes, and relay K2 feet 1 connect terminals
Sub- J6 feet 1, relay K2 feet 2 connect connecting terminal J6 feet 2, relay K2 feet 4 connect+5VB_JDQ and with sustained diode J8 cathode
It is connected.
Claims (7)
1. a kind of tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation, the monitoring and controlling substation are set to fire protection pipeline in tunnel
In cable duct or fire-fighting control cabinet, for carrying out data of the Temperature and Humidity module information collection to fire protection pipeline Temperature Humidity Sensor, and receive
The instruction that monitoring and warning main website issues uploads the humiture information of acquisition to monitoring and warning main website, executes to electric tracer heating system
Temperature control function, it is characterized in that the monitoring and controlling substation is passed by power circuit, microprocessor circuit, reset circuit, humiture
The double isolation control output circuits compositions of sensor interface circuit, communication interface circuit and photoelectricity and electromagnetism, power circuit respectively with it is micro-
The double isolation control output circuits of processor circuit, Temperature Humidity Sensor interface circuit, photoelectricity and electromagnetism connect, respectively microprocessor
The double isolation control output circuits of device circuit, Temperature Humidity Sensor interface circuit, photoelectricity and electromagnetism provide required power supply；Reset circuit
It is connected with microprocessor circuit, reset signal is provided for microprocessor circuit；Microprocessor circuit respectively with temperature and humidity sensing
The double isolation control output circuits of device interface circuit, communication interface circuit, photoelectricity and electromagnetism are connected, and are respectively completed humiture information
Acquisition, with the communication of main website, double to the photoelectricity and electromagnetism of electric tracing heating cable control function is isolated.
2. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that the power supply
Circuit is by connecting terminal J2, transient supression diode (TVS) D8, ABS6 rectifier bridge U8, fuse F8, rectifier diode DJ6, whole
Flow diode DJ5, rectifier diode DJ4, LM7805 regulator block U9, electrolytic capacitor C21, electrolytic capacitor C17, filter capacitor C18,
B0505 isolated power supplies DC2, capacitance C23, capacitance C25, B0505 isolated power supply DC3, capacitance C31, capacitance C32, current-limiting resistance R7,
Light emitting diode L6 compositions, connecting terminal J2 feet 1 meet 485_B1, and connecting terminal J1 feet 2 meet 485_A1, and connecting terminal J2 feet 3 connect
Transient supression diode one end (TVS) D8 is simultaneously connected with rectifier bridge U8 feet 3, and connecting terminal J2 feet 4 connect fuse F8, fuse
F8 connects rectifier bridge U8 feet 4 and is connected with transient supression diode (TVS) D8 other ends, and rectifier bridge U8 is completed to input electricity
The function that the nonpolarity access in source requires, wherein rectifier bridge U8 feet 1 connect rectifier diode DJ6 anodes, rectifier diode DJ6 cathode
Rectifier diode DJ5 anodes are connect, rectifier diode DJ5 cathode connect rectifier diode DJ4 anodes, and rectifier diode DJ4 cathode connect
Regulator block U9 feet 1, and be connected with electrolytic capacitor C21 anodes, 12V power supplys, utilize rectifier diode DJ6, rectifier diode DJ5
With the series connection pressure drop of rectifier diode DJ4, solve the ineffective power consumption heating problem of regulator block U9, regulator block U9 realize 12V to+
The voltage stabilizing of 5V power supplys is converted, and wherein regulator block U9 feet 2 and rectifier bridge U8 feet 2, electrolytic capacitor C21 cathode, electrolytic capacitor C17 is negative
Pole, the one end filter capacitor C18 are connected and are grounded, and regulator block U9 feet 3 connect the filter capacitor C18 other ends, and with+5V power supplys, electricity
Solution capacitance C17 anodes are connected, and isolated power supply DC2 completes a pair isolation features for+5V power supplys, and wherein isolated power supply DC2 feet 1 connect
+ 5V power supplys, isolated power supply DC2 feet 2 are grounded, and isolated power supply DC2 feet 1 are connected with the both ends capacitance C23 respectively with foot 2, isolation electricity
Source DC2 feet 3 meet EARTH_485 isolator, and isolated power supply DC2 feet 4 connect+5VB_485 power supplys, and isolated power supply DC2 feet 3 divide with foot 4
It is not connected with the both ends capacitance C25, isolated power supply DC3 completes a pair isolation features for+5V power supplys, wherein isolated power supply DC3 feet 1
+ 5V power supplys are connect, isolated power supply DC3 feet 2 are grounded, and isolated power supply DC3 feet 1 are connected with the both ends capacitance C31 respectively with foot 2, are isolated
Power supply DC3 feet 3 meet EARTH_JDQ isolator, and isolated power supply DC3 feet 4 connect+5VB_JDQ power supplys, isolated power supply DC3 feet 3 and foot 4
It is connected respectively with the both ends capacitance C32, mono- termination+5V power supplys of power supply indicator current-limiting resistance R7, other end sending and receiving optical diode
L6 anodes, light emitting diode L6 cathode ground connection.
3. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that micro- place
Manage device circuit by PIC18F67K40 microprocessor U10,14.7456MHz crystal oscillators Y2, capacitance C24, capacitance C22, current-limiting resistance R6,
Light emitting diode L5, current-limiting resistance R5, light emitting diode L4, filter capacitor C19, filter capacitor C20 compositions, microprocessor U10
Using a line interface agreement of Temperature Humidity Sensor, substation is completed to the detection function of affiliated sensor, wherein microprocessor U10
Foot 1 meets Data1, and microprocessor U10 feet 2 meet Data2, and microprocessor U10 feet 9 are grounded, and microprocessor U10 feet 10 connect+5V power supplys,
Microprocessor U10 feet 17 meet JD1, and microprocessor U10 feet 18 meet JD2, and microprocessor U10 feet 31 connect TX1, microprocessor U10 feet
32 meet RX1, and microprocessor U10 feet 33 meet EN1, and microprocessor U10 feet 37 meet ICSPDAT, and microprocessor U10 feet 38 connect+5V electricity
Source, microprocessor U10 feet 39 meet OSC_OUT, and are connected with the one end crystal oscillator Y2, the one end capacitance C24, another terminations of capacitance C24
Ground, microprocessor U10 feet 40 meet OSC_IN, and are connected with the crystal oscillator Y2 other ends, the one end capacitance C22, another terminations of capacitance C22
Ground, crystal oscillator Y2 and capacitance C24, capacitance C22 form dominant frequency oscillating circuit, provide the working frequency of microprocessor, microprocessor U10
Foot 41 is grounded, and microprocessor U10 feet 42 meet ICSPCLK, and microprocessor U10 feet 47 meet current-limiting resistance R6, and current-limiting resistance R6 is another
End is connect with operation indication light diode L5 anodes, and light emitting diode L5 cathode ground connection, microprocessor U10 feet 48 connect current limliting electricity
R5 is hindered, the current-limiting resistance R5 other ends are connect with police instruction light emitting diode L4 anodes, light emitting diode L4 cathode ground connection, filtering
Mono- termination+5V power supplys of capacitance C19, other end ground connection, mono- termination+5V power supplys of filter capacitor C20, other end ground connection.
4. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that the reset
Circuit is made of row's needle P2, capacitance C28, resistance R8, IMP809 power monitoring chip U12, and row needle P2 feet 1 connect Vpp, and and capacitance
The one end C28, the one end resistance R8 are connected, and row needle P2 feet 2 connect+5V power supplys, and row needle P2 feet 3 are grounded, and row needle P2 feet 4 meet ICSPDAT,
Row needle P2 feet 5 meet ICSPCLK, and power monitoring chip U12 completes the reset function to microprocessor U10, wherein Power Supply Monitoring core
Piece U12 feet 1 are grounded, and the 2 connecting resistance R8 other ends of power monitoring chip U12 feet, power monitoring chip U12 feet 3 connect+5V power supplys, multiple
Position circuit is for ensureing that microprocessor circuit works normally.
5. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that described is warm and humid
Spend sensor interface circuitry by connecting terminal J4, pull-up resistor R10, protective resistance R12, filter capacitor C30, connecting terminal J3,
Pull-up resistor R9, protective resistance R11, filter capacitor C29 compositions, Temperature Humidity Sensor interface circuit is by multiple Temperature Humidity Sensors
Interface forms, and configure interface quantity according to actual conditions within this range connects in first humiture capacitance sensor interface
Line terminals J4 is connect with Temperature Humidity Sensor, completes the function of the power supply and data of the Temperature and Humidity module information collection to sensor, wiring
Terminal J4 feet 1 connect the one end pull-up resistor R10, and are connected with+5V power supplys, connecting terminal J4 feet 2 and the pull-up resistor R10 other ends
It is connected, and meets protective resistance R12, another termination Data1 of protective resistance R12, connecting terminal J4 feet 3 is grounded, filter capacitor C30
One termination+5V, the C30 other end is grounded, in second humiture capacitance sensor interface, connecting terminal J3 and temperature and humidity sensing
Device connects, and completes the function of the power supply and data of the Temperature and Humidity module information collection to sensor, and connecting terminal J3 feet 1 connect pull-up resistor R9
One end, and be connected with+5V power supplys, connecting terminal J3 feet 2 are connected with the pull-up resistor R9 other ends, and meet protective resistance R11,
Another termination Data2 of protective resistance R11, connecting terminal J3 feet 3 are grounded, and filter capacitor C29 mono- termination+5V, filter capacitor C29 is another
One end is grounded.
6. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that the communication
Interface circuit is pressed down by ADM2483RS485 chips U11, capacitance C27, transient supression diode (TVS) D10, fuse F10, transition
Diode (TVS) D9 processed, fuse F9, capacitance C26 compositions complete microprocessor using RS485 chips U11 as the circuit of core
With the RS485 interface communication functions of main website, wherein RS485 chips U11 feet 1 connect+5V power supplys, the one end shunt-wound capacitance C27, capacitance
The C27 other ends are grounded, and RS485 chip U11 feet 2 are grounded, and RS485 chip U11 feet 3 meet RX1, RS485 chip U11 feet 4, RS485
Chip U11 feet 5 meet EN1, and RS485 chip U11 feet 6 meet TX1, and RS485 chip U11 feet 7 connect+5V power supplys, RS485 chip U11 feet 8
Ground connection, RS485 chip U11 feet 9 meet EARTH_485 isolator, and RS485 chip U11 feet 12 connect transient supression diode (TVS)
D10 cathode, and be connected with fuse F10, the fuse F10 other ends are connected with 485_A1, and RS485 chip U11 feet 13 connect
Transient supression diode (TVS) D9 cathode, and be connected with fuse F9, the fuse F9 other ends are connected with 485_B1, wink
Become and diode (TVS) D10 anodes, transient supression diode (TVS) D9 anodes is inhibited to meet EARTH_485 isolator, RS485 chips
U11 feet 15 are connected with the one end capacitance C26 and meet EARTH_485 isolator, and RS485 chip U11 feet 16 connect the capacitance C26 other ends
And it is connected with+5VB_485 power supplys.
7. tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation according to claim 1, it is characterized in that the photoelectricity
With the double isolation control output circuits of electromagnetism by PC817 photoelectric isolated chips GD1, resistance R13, resistance R14, resistance R15,
S9013NPN triodes Q1, resistance R16, HF49FD relay K1, sustained diode J7, connecting terminal J5, PC817 photoelectricity every
Off-chip piece GD2, resistance R17, resistance R18, resistance R19, S9013NPN triode Q1, resistance R20, HF49FD relay K2, continue
Diode DJ8, connecting terminal J6 compositions are flowed, photoelectricity and the double isolation control output circuits of electromagnetism are by 2 photoelectricity and the double isolation of electromagnetism
Control output composition, first photoelectricity and the double isolation control output circuits of electromagnetism complete temperature and control output function, Phototube Coupling
1 one end connecting resistance R13 of chip GD1 feet, another termination JD1 of resistance R13, photoelectric isolated chip GD1 feet 2 are grounded, Phototube Coupling core
Another tri- poles termination NPN the indirect resistance R14 of piece GD1 feet 1 and foot 2, photoelectric isolated chip GD1 foot 3 connecting resistance R15, resistance R15
Pipe Q1 base stages and the one end connecting resistance R16, another termination NPN triode Q1 emitter-base bandgap gradings of resistance R16 simultaneously meet EARTH_JDQ isolator, light
Be electrically isolated chip GD1 feet 4 and meet+5VB_JDQ, NPN triode Q1 collector connecting relay K1 feet 3 and with sustained diode J7 just
Pole is connected, and relay K1 feet 1 connect connecting terminal J5 feet 1, and relay K1 feet 2 connect connecting terminal J5 feet 2, and relay K1 feet 4 connect+
5VB_JDQ is simultaneously connected with sustained diode J7 cathode, and second photoelectricity and the double isolation control output circuits of electromagnetism are as standby
With, 1 one end connecting resistance R17 of photoelectric isolated chip GD2 feet, another termination JD2 of resistance R17, the ground connection of photoelectric isolated chip GD2 feet 2,
The indirect resistance R18 of photoelectric isolated chip GD2 feet 1 and foot 2, photoelectric isolated chip GD2 foot 3 connecting resistance R19, resistance R19 are another
NPN triode Q1 base stage and the one end connecting resistance R20 are terminated, another termination NPN triode Q1 emitter-base bandgap gradings of resistance R20 simultaneously meet EARTH_
Isolator, photoelectric isolated chip GD2 feet 4 connect+5VB_JDQ, NPN triode Q1 collector connecting relay K2 feet 3 and and afterflow to JDQ
Diode DJ8 anodes are connected, and relay K2 feet 1 connect connecting terminal J6 feet 1, and relay K2 feet 2 connect connecting terminal J6 feet 2, after
Electric appliance K2 feet 4 meet+5VB_JDQ and are connected with sustained diode J8 cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793024.2U CN207650603U (en) | 2017-12-20 | 2017-12-20 | Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793024.2U CN207650603U (en) | 2017-12-20 | 2017-12-20 | Tunnel fire protection pipeline leak-proof anti-freezing monitoring and controlling substation |
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| CN207650603U true CN207650603U (en) | 2018-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519716A (en) * | 2018-12-24 | 2019-03-26 | 山西省交通建设工程监理有限责任公司 | Tunnel fire protection pipeline temperature and humidity intelligent water leakage sensor and preparation method and application |
| CN112747415A (en) * | 2021-02-03 | 2021-05-04 | 广州市互邻空调设备有限公司 | Air conditioner double-machine switcher |
-
2017
- 2017-12-20 CN CN201721793024.2U patent/CN207650603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519716A (en) * | 2018-12-24 | 2019-03-26 | 山西省交通建设工程监理有限责任公司 | Tunnel fire protection pipeline temperature and humidity intelligent water leakage sensor and preparation method and application |
| CN112747415A (en) * | 2021-02-03 | 2021-05-04 | 广州市互邻空调设备有限公司 | Air conditioner double-machine switcher |
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Inventor after: Zhang Ruifeng Inventor after: Hao Junjun Inventor after: Che Hongwei Inventor after: Hao Xiufen Inventor after: Wang Na Inventor after: Ding Yanwei Inventor after: Wang Ze Inventor after: Li Yashu Inventor after: Zhang Jin Inventor after: Su Xiu Inventor after: Wang Meirong Inventor after: Cheng Yueping Inventor after: Bai Zhujun Inventor after: Zhang Qingquan Inventor after: Zhang Xiaowei Inventor after: Zhang Jinfeng Inventor after: Zhang Kejun Inventor after: Liu Guodong Inventor after: Geng Yong Inventor after: Zhang Huijun Inventor after: Han Junjie Inventor after: Zhao Lihua Inventor before: Zhang Ruifeng Inventor before: Hao Junjun Inventor before: Che Hongwei Inventor before: Hao Xiufen Inventor before: Wang Na Inventor before: Ding Yanwei Inventor before: Wang Ze Inventor before: Li Yashu Inventor before: Zhang Jinjin Inventor before: Su Xiu Inventor before: Wang Meirong Inventor before: Cheng Yueping Inventor before: Bai Zhujun Inventor before: Zhang Qingquan Inventor before: Zhang Xiaowei Inventor before: Zhang Jinfeng Inventor before: Zhang Kejun Inventor before: Liu Guodong Inventor before: Geng Yong Inventor before: Zhang Huijun Inventor before: Han Junjie Inventor before: Zhao Lihua |