CN105148445B - Intelligent fire Internet of Things monitoring device - Google Patents
Intelligent fire Internet of Things monitoring device Download PDFInfo
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- CN105148445B CN105148445B CN201510601545.2A CN201510601545A CN105148445B CN 105148445 B CN105148445 B CN 105148445B CN 201510601545 A CN201510601545 A CN 201510601545A CN 105148445 B CN105148445 B CN 105148445B
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Abstract
A kind of intelligent fire Internet of Things monitoring device belongs to fire fighting device detection device technical field.Including single chip control unit, power circuit, pressure inverting circuit, voltage detecting circuit, visit water detection circuit and communicating circuit, power circuit, pressure inverting circuit, voltage detecting circuit and spy water detection circuit are connect with single chip control unit respectively, communicating circuit includes single chip microcomputer driving circuit, SIM card driving circuit, interface circuit and transmitting-receiving indicating circuit, single chip microcomputer driving circuit is connect with SIM card driving circuit, interface circuit and transmitting-receiving indicating circuit respectively, and interface circuit is connect with single chip control unit.Advantage：Can be achieved whether fire hydrant has whether water, hydraulic pressure carry out real-time remote monitoring enough everywhere to city, it can notify maintenance personal goes to place under repair in time if there is water shortage situation, fire hydrant can be reduced in this way checks loophole, fire hydrant overhaul efficiency is improved, the security risk for being delayed fire fighting opportunity because of fire hydrant water shortage is released.
Description
Technical field
The invention belongs to fire fighting device detection device technical fields, and in particular to a kind of intelligent fire Internet of Things monitoring device.
Background technology
Infrastructure of the fire hydrant as urban fire control, key effect is played during fire fighting.However due to disappearing
Anti- awareness of safety it is unsound, safeguard the backwardness of monitoring means, there are still following deficiencies for current fire hydrant：Fire hydrant is often divided
Dissipate the different location in city, long-term no fire hydrant is more easily damaged or fails, and occur leak, water shortage feelings
Condition, due to the monitoring system that do not concentrate, the above-mentioned failure of fire hydrant often can not be found and be completed repairs in time, therefore,
When fire alarm occurs and when fire hydrant being needed to supply water, if it is inadequate to find that hydraulic pressure occurs in fire hydrant, or there is no the case where hydraulic pressure at all,
The rescue work of fire alarm will be seriously affected, the loss for causing not retrieving to fire；In addition, the existing common hydraulic pressure prison of fire hydrant
Survey method is the setting hydraulic pressure display table outside fire hydrant, but needs to safeguard that monitoring personnel goes to scene to check detection ability one by one
It was found that failure, this mode wastes a large amount of manpower and materials, and overhaul efficiency is poor.
In view of above-mentioned prior art, provide it is a kind of can the monitoring devices of real-time remote monitoring fire hydrant water pressures be instantly
Technical problem urgently to be resolved hurrily, for this purpose, the applicant has made beneficial design, technical solution described below is at this
It is generated under kind background.
Invention content
The purpose of the present invention is to provide a kind of intelligent fire Internet of Things monitoring device, can remote monitoring fire hydrant whether have
Water eliminates the security risk of fire hydrant water shortage, improves fire hydrant overhaul efficiency.
The purpose of the present invention is in this way to reach, a kind of intelligent fire Internet of Things monitoring device, it is characterised in that including list
Piece machine control unit, pressure inverting circuit, voltage detecting circuit, visits water detection circuit and communicating circuit at power circuit, described
Power circuit, pressure inverting circuit, voltage detecting circuit and visit water detection circuit connect respectively with single chip control unit,
The communicating circuit includes single chip microcomputer driving circuit, SIM card driving circuit, interface circuit and receives and dispatches indicating circuit, described
Single chip microcomputer driving circuit connect respectively with SIM card driving circuit, interface circuit and transmitting-receiving indicating circuit, the interface is electric
Road is connect with single chip control unit.
In the specific embodiment of the present invention, the power circuit includes first interface J1, the first diode
D1, the second diode D2, third diode D3, the 4th diode D4, the first capacitance C1, the second capacitance C2, third capacitance C3 with
And linear voltage regulator U1, the linear voltage regulator U1 use SPX2954AM3-5.0, first interface J1 connections exchange
2 feet of power supply, first interface J1 are connect with the cathode of the anode of the first diode D1 and the second diode D2 respectively, and first connects
1 foot of mouth J1 is connect with the anode of the cathode of third diode D3 and the 4th diode D4 respectively, and the first diode D1's is negative
Pole is connect with 1 foot of the cathode of the 4th diode D4, the anode of the first capacitance C1 and linear voltage regulator U1 respectively, and common defeated
Go out the first DC power supply VDD, one end of the anode and third capacitance C3 of 3 feet of linear voltage regulator U1 and the second capacitance C2 connects
It connects, and exports anode, the first capacitance C1 of the anode of the second DC power supply VCC, the second diode D2, third diode D3 jointly
Cathode, 2 feet of linear voltage regulator U1, the cathode of the second capacitance C2 and third capacitance C3 one end be grounded jointly.
In another specific embodiment of the present invention, the pressure inverting circuit includes second interface J2, first
Resistance R1, second resistance R2 and the first operational amplifier U2A, the first operational amplifier U2A uses LM358A, described
Second interface J2 connection pressure transmitters, 1 foot of second interface J2 respectively with one end of second resistance R2 and the first operation
3 feet of amplifier U2A connect, and 1,2 feet of the first operational amplifier U2A are connect with one end of first resistor R1 jointly, the first electricity
Hinder the other end connection of the R1 single chip control unit, 8 feet of 2 feet of second interface J2 and the first operational amplifier U2A
The second DC power supply VCC is met jointly, and 4 feet of the first operational amplifier U2A and the other end of second resistance R2 are grounded jointly.
In another specific embodiment of the present invention, the voltage detecting circuit includes third interface J3, the 5th
Diode D5,3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and second operational amplifier U2B, second operation
Amplifier U2B uses LM358A, the third interface J3 connection external dc powers, and 2 feet of third interface J3 are respectively with the
One end connection of the anode and 3rd resistor R3 of five diode D5, the other end of 3rd resistor R3 is respectively with the 4th resistance R4's
5 feet of one end and second operational amplifier U2B connect, and 6,7 feet of second operational amplifier U2B are jointly with the 5th resistance R5's
One end connects, the other end of the 5th resistance R5 connection single chip control unit, the cathode connection of the 5th diode D5 the
The other end of one DC power supply VDD, 1 foot and the 4th resistance R4 of third interface J3 are grounded jointly.
In another specific embodiment of the present invention, the spy water detection circuit includes the 4th interface J4, the 6th
Resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the first triode Q1 and the two or three pole
Water prode is visited in pipe Q2, the 4th interface J4 connections, and 2 feet of the 4th interface J4 connect one end of the 7th resistance R7, the 7th electricity
The other end of resistance R7 is connect with the base stage of one end of the 9th resistance R9 and the first triode Q1 respectively, the collection of the first triode Q1
Electrode is connect with one end of the tenth resistance R10, the other end of the tenth resistance R10 one end and second with the 8th resistance R8 respectively
The base stage of triode Q2 connects, and the collector of the second triode Q2 connects one end of the 6th resistance R6, and jointly described in connection
Single chip control unit, the transmitting of the other end of the 6th resistance R6, the other end of the 9th resistance R9 and the first triode Q1
Extremely meet the second DC power supply VCC jointly, 1 foot of the 4th interface J4, the other end of the 8th resistance R8 and the second triode Q2
Emitter is grounded jointly.
In the present invention there are one in specific embodiment, the single chip microcomputer driving circuit includes eleventh resistor
R11, twelfth resistor R12, thirteenth resistor R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16,
Four capacitance C4, the 5th capacitance C5, the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2, the first Light-emitting diode LED 1 and radio communication mold
Block U3, the wireless communication module U3 use SIM900A, one end of the eleventh resistor R11 to connect the first metal-oxide-semiconductor V1
Source electrode, one end of the grid connection thirteenth resistor R13 of the first metal-oxide-semiconductor V1, the other end of thirteenth resistor R13 and first
9 feet of the common connection wireless communication module U3 of drain electrode of metal-oxide-semiconductor V1, one end of twelfth resistor R12 connects the second metal-oxide-semiconductor V2's
Source electrode, the grid of the second metal-oxide-semiconductor V2 connect one end of the 14th resistance R14, the other end and second of the 14th resistance R14
10 feet of the common connection wireless communication module U3 of drain electrode of metal-oxide-semiconductor V2,1,52 feet of wireless communication module U3 are separately connected described
Transmitting-receiving indicating circuit, 4 feet of wireless communication module U3 connect one end of the 15th resistance R15, and the 15th resistance R15's is another
The anode of the first Light-emitting diode LED 1 of end connection, 16 feet of wireless communication module U3 respectively with 33 feet, the 4th capacitance C4 one
End and the connection of one end of the 16th resistance R16,26 feet of wireless communication module U3 are connect with the anode of the 5th capacitance C5, wirelessly
30~34 feet connection of the communication module U3 SIM card driving circuit, the source electrode of the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2 source
16 feet of pole and wireless communication module U3 are also connect with the interface circuit respectively, the other end of eleventh resistor R11,
55~57 feet of the other end of 12 resistance R12, the other end of the 16th resistance R16 and wireless communication module U3 connect jointly
Two DC power supply VCC, the cathode of the first Light-emitting diode LED 1, the other end of the 4th capacitance C4, the 5th capacitance C5 cathode with
And 17,18,29,39,45,46,53,54,58,59,61~65 feet of wireless communication module U3 are grounded jointly.
In a still more specific embodiment of the invention, the SIM card driving circuit includes the 17th resistance
R17, the 18th resistance R18, the 19th resistance R19, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 9th capacitance C9,
SIM card slot JS and TVS pipe U4, the TVS pipe U4 use SMF05C, and 1 foot of the SIM card slot JS is respectively with the
One end of seven capacitance C7 and the 5 feet connection of TVS pipe U4, and the wireless communication in the single chip microcomputer driving circuit is connected jointly
2 feet of 30 feet of module U3, SIM card slot JS are connect with 4 feet of one end of the 17th resistance R17 and TVS pipe U4 respectively, the
The other end of 17 resistance R17 is connect with one end of the 8th capacitance C8, and 33 feet of connection wireless communication module U3 jointly, SIM
3 feet of card slot JS are connect with 3 feet of one end of the 18th resistance R18 and TVS pipe U4 respectively, and the 18th resistance R18's is another
One end is connect with one end of the 9th capacitance C9, and 32 feet of connection wireless communication module U3 jointly, 6 feet of SIM card slot JS connect
Connect 34 feet of wireless communication module U3,7 feet of SIM card slot JS respectively with one end of the 19th resistance R19 and TVS pipe U4
6 feet connect, and the other end of the 19th resistance R19 is connect with one end of the 6th capacitance C6, and connection wireless communication module U3 jointly
31 feet, the other end of the 6th capacitance C6, the other end of the 7th capacitance C7, the other end of the 8th capacitance C8, the 9th capacitance C9
2 feet of the other end, 5 feet of SIM card slot JS and TVS pipe U4 are grounded jointly.
The present invention's and then in a specific embodiment, the interface circuit includes the 5th interface J5, fuse
F1, the 6th diode D6 and voltage-stabiliser tube ZD, the anode of the 6th diode D6 of one end connection of the fuse F1, the six or two
4,6 feet of the cathode of pole pipe D6, the cathode of voltage-stabiliser tube ZD and the 5th interface J5 meet the second DC power supply VCC jointly, and the 5th connects
3 feet of mouth J5 connect 16 feet of the wireless communication module U3 in the single chip microcomputer driving circuit, 1, the 2 feet difference of the 5th interface J5
The connection single chip control unit, the 5 feet ground connection of the 5th interface J5.
The transmitting-receiving indicating circuit includes receiving indicating circuit in yet a further embodiment of the present invention
With send indicating circuit, wherein the reception indicating circuit includes the 20th resistance R20, the 21st resistance R21 and the
One end of three triode Q3, the 20th resistance R20 respectively with one end of the 21st resistance R21 and third transistor
The base stage of Q3 connects, the wireless communication module U3's in single chip microcomputer driving circuit described in the collector connection of third transistor Q3
1 foot, the second DC power supply of another termination VCC of the 20th resistance R20, the other end and the three or three of the 21st resistance R21
The emitter of pole pipe Q3 is grounded jointly；The transmission indicating circuit include the 22nd resistance R22, the 23rd resistance R23,
Second Light-emitting diode LED 2 and the 4th triode Q4, one end connection second luminous two of the 22nd resistance R22
The anode of pole pipe LED2, the cathode of the second Light-emitting diode LED 2 connect the collector of the 4th triode Q4, the 4th triode Q4
Base stage connect one end of the 23rd resistance R23, the 52 of the other end connection wireless communication module U3 of the 23rd resistance R23
Foot, the emitter ground connection of the second DC power supply of another termination VCC, the 4th triode Q4 of the 22nd resistance R22.
In the present invention again and then in a specific embodiment, the power circuit further includes filtering clean circuit,
The filtering clean circuit includes the tenth capacitance C10, the 11st capacitance C11, the 12nd capacitance C12 and the 13rd capacitance
C13, described one end of the tenth capacitance C10, one end of the 11st capacitance C11, the 12nd capacitance C12 one end and the 13rd
One end of capacitance C13 connects the second DC power supply VCC, the other end of the tenth capacitance C10, the 11st electricity jointly
The other end, the other end of the 12nd capacitance C12 and the other end of the 13rd capacitance C13 for holding C11 are grounded jointly.
The present invention compared with prior art, has an advantageous effect in that due to the above structure,：Water in fire hydrant
Whether pressure size is detected by pressure transmitter, and have water to be detected by spy water prode in fire hydrant, pressure transmitter and spy water prode
The voltage signal measured is exported to single chip control unit, communicating circuit is driven by single chip control unit, signal is sent
To specified signal transceiver, thus can realize to city everywhere fire hydrant whether have water, hydraulic pressure whether enough carry out in real time it is remote
Journey monitors, and can notify maintenance personal goes to place under repair in time if there is water shortage situation, can reduce fire hydrant in this way and check loophole,
Fire hydrant overhaul efficiency is improved, the security risk for being delayed fire fighting opportunity because of fire hydrant water shortage is released.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram.
Fig. 2 is the functional block diagram of communicating circuit of the present invention.
Fig. 3 is the electrical schematic diagram of power circuit of the present invention.
Fig. 4 is the electrical schematic diagram of pressure inverting circuit of the present invention.
Fig. 5 is the electrical schematic diagram of voltage detecting circuit of the present invention.
Fig. 6 is the electrical schematic diagram of the present invention for visiting water detection circuit.
Fig. 7 is the electrical schematic diagram of single chip microcomputer driving circuit of the present invention.
Fig. 8 is the electrical schematic diagram of SIM card driving circuit of the present invention.
Fig. 9 is the electrical schematic diagram of interface circuit of the present invention.
Figure 10 is the electrical schematic diagram of the present invention for receiving indicating circuit.
Figure 11 is the electrical schematic diagram of the present invention for sending indicating circuit.
Figure 12 is the electrical schematic diagram of filtering clean circuit of the present invention.
Figure 13 is the microcontroller pin schematic diagram in single chip control unit of the present invention.
In figure：1. single chip control unit；2. power circuit, 21. filtering clean circuits；3. pressure inverting circuit；4. electricity
Press detection circuit；5. visiting water detection circuit；6. communicating circuit, 61. single chip microcomputer driving circuits, 62.SIM cards driving circuit, 63. connect
Mouth circuit, 64. transmitting-receiving indicating circuits, 641. receive indicating circuits, 642. transmission indicating circuits.
Specific implementation mode
In order to enable the public to fully understand the technical spirit and advantageous effect of the present invention, applicant will be below in conjunction with attached drawing
The specific implementation mode of the present invention is described in detail, but applicant appoints the limitation that the description of embodiment is not to technical solution
What conceives to change in the form rather than substance according to the present invention all should be considered as protection scope of the present invention.
It please refers to Fig.1 and Fig. 2 is mainly used for the present invention relates to a kind of intelligent fire Internet of Things monitoring device to municipal outdoor
Whether fire hydrant has water and hydraulic pressure size to be monitored, and can search the fire hydrant for having water nearby, finds fire hydrant in advance
Failure is simultaneously repaired in time, prevents occur the case where fire hydrant water shortage nearby when fire fighting, is conducive to later fire fighting work
Smoothly expansion.The intelligent fire Internet of Things monitoring device includes single chip control unit 1, power circuit 2, pressure inverting circuit 3, electricity
It presses detection circuit 4, visit water detection circuit 5 and communicating circuit 6, the power circuit 2, pressure inverting circuit 3, voltage detecting
Circuit 4 and spy water detection circuit 5 are connect with single chip control unit 1 respectively.The communicating circuit 6 includes MCU driving
Circuit 61, SIM card driving circuit 62, interface circuit 63 and transmitting-receiving indicating circuit 64, the single chip microcomputer driving circuit 61 divide
It is not connect with SIM card driving circuit 62, interface circuit 63 and transmitting-receiving indicating circuit 64, the interface circuit 63 and microcontroller
Control unit 1 connects.The pressure inverting circuit 3 is connected with pressure transmitter, and the spy water detection circuit 5 is connected with spy
Water prode, pressure transmitter and spy water prode are mounted on the side of fire hydrant ontology.Single chip control unit 1 acquires pressure in real time
Transmitter and the output signal for visiting water prode, signal enters after single chip control unit 1 calculates reality through analog-to-digital conversion analysis
Then hydraulic pressure value, voltage value drive communicating circuit 6 that hydraulic pressure value, voltage value are sent to specified information in the form of short message and receive
Send out device.In practical application, the communicating circuit 6 can send a signal to mobile phone, can also be sent to monitoring center with
Realize remote monitoring.In the present embodiment, the microcontroller in the single chip control unit 1 uses Pic16F883, Figure 13 to give
Its pin schematic diagram is gone out.
Referring to Fig. 3, the power circuit 2 includes first interface J1, the first diode D1, the second diode D2, the
Three diode D3, the 4th diode D4, the first capacitance C1, the second capacitance C2, third capacitance C3 and linear voltage regulator U1, it is described
Linear voltage regulator U1 use SPX2954AM3-5.0, the first interface J1 connection AC powers.One or two pole
Pipe D1, the second diode D2, third diode D3 and the 4th diode D4 form rectification circuit；The first capacitance C1,
Second capacitance C2 and third capacitance C3 form filter circuit, filtering circuit medium-high frequency, low-frequency interference signal；Described is linear steady
Depressor U1 plays isolation pressure stabilization function.The power circuit 2 generates the first DC power supply VDD and the second DC power supply VCC, for being whole
A device provides power supply.In addition, the power supply of the present apparatus can also be by the way of photovoltaic generation.The power circuit 2 also wraps
Filtering clean circuit 21 is included, the filtering clean circuit 21 includes the tenth capacitance C10, the 11st capacitance C11, the 12nd capacitance
C12 and the 13rd capacitance C13.
Referring to Fig. 4, the pressure inverting circuit include second interface J2, first resistor R1, second resistance R2 and
First operational amplifier U2A, the first operational amplifier U2A uses LM358A, the second interface J2 connection pressure
Transmitter.The pressure transmitter is screwed on fire hydrant outer wall, can be corresponding according to the size output of hydraulic pressure in fire hydrant
Voltage signal.First resistor R1, the second resistance R2 and the first operational amplifier U2A forms emitter follower circuit, will
The voltage signal acquired from pressure transmitter is exported to the single chip control unit 1.
Referring to Fig. 5, the voltage detecting circuit includes third interface J3, the 5th diode D5,3rd resistor R3,
Four resistance R4, the 5th resistance R5 and second operational amplifier U2B, the second operational amplifier U2B use LM358A.This
Above-mentioned AC power or photo-voltaic power supply may be used in the power supply of device, can also directly use DC power supply.The third
Interface J3 connection external dc powers, the second operational amplifier U2B are emitter following pipe, and 5 feet detect the 4th resistance
The voltage at the both ends R4, the 7 feet connection single chip control unit 1 are detected voltage by microcontroller control monolithic 1.Institute
The 3rd resistor R3 and the 4th resistance R4 composition DC voltage divider circuits stated；The 5th diode D5 plays buffer action.
Referring to Fig. 6, the spy water detection circuit includes the 4th interface J4, the 6th resistance R6, the 7th resistance R7, the 8th
Resistance R8, the 9th resistance R9, the tenth resistance R10, the first triode Q1 and the second triode Q2, the 4th interface J4 connect
Connect spy water prode.The spy water prode is screwed on fire hydrant outer wall, can export height according to whether there is water in fire hydrant
Level signal.When spy water prode disconnection is not turned on, the first triode Q1 cut-offs, the base stage of the second triode Q2 becomes low electricity
The collector of position, the second triode Q2 cut-offs, the second triode Q2 connects the single chip control unit 1, microcontroller control
Unit 1 detects high level, shows the fire hydrant water shortage, needs to overhaul in time.When visiting water prode conducting, the first triode Q1
Base stage become low potential, the first triode Q1 conductings, the base stage of the second triode Q2 becomes high potential, and the second triode Q2 is led
Logical, single chip control unit 1 detects low level, shows that the fire hydrant has water.
Referring to Fig. 7, the single chip microcomputer driving circuit 61 includes eleventh resistor R11, twelfth resistor R12, the tenth
Three resistance R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 4th capacitance C4, the 5th capacitance C5,
One metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2, the first Light-emitting diode LED 1 and wireless communication module U3, the wireless communication module
U3 uses SIM900A.One end of the eleventh resistor R11 connects the source electrode of the first metal-oxide-semiconductor V1, the grid of the first metal-oxide-semiconductor V1
Pole connects one end of thirteenth resistor R13, and the drain electrode of the other end of thirteenth resistor R13 and the first metal-oxide-semiconductor V1 connect jointly
9 feet of wireless communication module U3, one end of twelfth resistor R12 connect the source electrode of the second metal-oxide-semiconductor V2, the grid of the second metal-oxide-semiconductor V2
Pole connects one end of the 14th resistance R14, and the drain electrode of the other end of the 14th resistance R14 and the second metal-oxide-semiconductor V2 connect jointly
1,52 feet of 10 feet of wireless communication module U3, wireless communication module U3 are separately connected the transmitting-receiving indicating circuit 64, wirelessly
4 feet of communication module U3 connect one end of the 15th resistance R15, and the other end of the 15th resistance R15 connects the first light-emitting diodes
The anode of pipe LED1,16 feet of wireless communication module U3 respectively with 33 feet, one end of the 4th capacitance C4 and the 16th resistance R16
One end connection, 26 feet of wireless communication module U3 connect with the positive of the 5th capacitance C5, the 30~34 of wireless communication module U3
The foot connection SIM card driving circuit 62, the source electrode of the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2 source electrode and radio communication mold
16 feet of block U3 are also connect with the interface circuit 63 respectively.The first metal-oxide-semiconductor V1 and the second metal-oxide-semiconductor V2 plays driving and makees
With controlling the receiving and transmission of signal.The wireless communication module U3 is carried out by GPRS network and mobile phone or monitoring center
The remote monitoring to fire hydrant is realized in communication connection.
Referring to Fig. 8, the SIM card driving circuit 62 includes the 17th resistance R17, the 18th resistance R18, the 19th
Resistance R19, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 9th capacitance C9, SIM card slot JS and TVS pipe U4, institute
The TVS pipe U4 stated uses SMF05C.The SIM card slot JS is sent to mobile phone editing short message and is inserted for plugging SIM card
The corresponding number of SIM card entered can receive corresponding reply, realize the communication test to the present apparatus.Wherein, the 8th electricity
Hold C8 and the 9th capacitance C9 and plays filtering, jamproof；The TVS pipe U4 provides burning voltage for SIM card driving.
Referring to Fig. 9, the interface circuit 63 includes the 5th interface J5, fuse F1, the 6th diode D6 and steady
Pressure pipe ZD.One end of the fuse F1 connects the anode of the 6th diode D6, cathode, the voltage-stabiliser tube ZD of the 6th diode D6
Cathode and 4,6 feet of the 5th interface J5 meet the second DC power supply VCC jointly.3 feet of 5th interface J5 connect the monolithic
1,2 feet of 16 feet of the wireless communication module U3 in drive circuit 61, the 5th interface J5 are separately connected the microcontroller control
Unit 1 processed, the 5 feet ground connection of the 5th interface J5.The wireless communication module U3 passes through the interface circuit 63 and the monolithic
RXD serial ports, the TXD serial ports of microcontroller in machine control unit 1 are communicatively coupled.
Referring to Fig. 10, the transmitting-receiving indicating circuit 64 includes receiving indicating circuit 641 and transmission indicating circuit 642,
It is respectively used to receive the signal of wireless communication module U3 and has sent indicative function with signal.Wherein, reception instruction electricity
Road 641 includes the 20th resistance R20, the 21st resistance R21 and third transistor Q3.The collector of third transistor Q3 connects
Connect 1 foot of the wireless communication module U3 in the single chip microcomputer driving circuit 61；The transmission indicating circuit 642 includes second
12 resistance R22, the 23rd resistance R23, the second Light-emitting diode LED 2 and the 4th triode Q4, the 4th triode Q4's
Base stage connects one end of the 23rd resistance R23, and the other end of the 23rd resistance R23 connects the 52 of wireless communication module U3
Foot.
Claims (3)
1. a kind of intelligent fire Internet of Things monitoring device, it is characterised in that including single chip control unit (1), power circuit (2), pressure
Power transmission circuit (3), visits water detection circuit (5) and communicating circuit (6), the power circuit at voltage detecting circuit (4)
(2), pressure inverting circuit (3), voltage detecting circuit (4) and visit water detection circuit (5) respectively with single chip control unit (1)
Connection, the communicating circuit (6) include single chip microcomputer driving circuit (61), SIM card driving circuit (62), interface circuit (63) with
And transmitting-receiving indicating circuit (64), the single chip microcomputer driving circuit (61) respectively with SIM card driving circuit (62), interface circuit
(63) and transmitting-receiving indicating circuit (64) connects, and the interface circuit (63) is connect with single chip control unit (1), described
Pressure inverting circuit (3) includes second interface J2, first resistor R1, second resistance R2 and the first operational amplifier U2A, described
The first operational amplifier U2A use LM358A, the second interface J2 connection pressure transmitters, 1 foot of second interface J2
It is connect respectively with 3 feet of one end of second resistance R2 and the first operational amplifier U2A, 1,2 feet of the first operational amplifier U2A
It is connect jointly with one end of first resistor R1, the single chip control unit (1) described in the other end connection of first resistor R1, second
8 feet of 2 feet of interface J2 and the first operational amplifier U2A meet the second DC power supply VCC jointly, and the 4 of the first operational amplifier U2A
The other end of foot and second resistance R2 are grounded jointly, and the voltage detecting circuit (4) includes third interface J3, the 5th diode
D5,3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and second operational amplifier U2B, the second operational amplifier
U2B uses LM358A, the third interface J3 connection external dc powers, 2 feet of third interface J3 respectively with the five or two pole
The connection of one end of the anode of pipe D5 and 3rd resistor R3, the other end of 3rd resistor R3 respectively with one end of the 4th resistance R4 with
And the 5 feet connection of second operational amplifier U2B, 6,7 feet of second operational amplifier U2B connect with one end of the 5th resistance R5 jointly
It connects, the cathode connection first of the single chip control unit (1) described in the other end connection of the 5th resistance R5, the 5th diode D5 is straight
The other end of galvanic electricity source VDD, 1 foot and the 4th resistance R4 of third interface J3 are grounded jointly, the spy water detection circuit (5) packet
Include the 4th interface J4, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the one or three pole
Water prode is visited in pipe Q1 and the second triode Q2, the 4th interface J4 connections, and 2 feet of the 4th interface J4 connect the 7th resistance
The other end of one end of R7, the 7th resistance R7 is connect with the base stage of one end of the 9th resistance R9 and the first triode Q1 respectively,
The collector of first triode Q1 is connect with one end of the tenth resistance R10, the other end of the tenth resistance R10 respectively with the 8th resistance
The base stage of one end of R8 and the second triode Q2 connect, and the collector of the second triode Q2 connects one end of the 6th resistance R6,
And connect the single chip control unit (1) jointly, the other end of the 6th resistance R6, the other end of the 9th resistance R9 and
The emitter of first triode Q1 connects the second DC power supply VCC, 1 foot of the 4th interface J4, the other end of the 8th resistance R8 jointly
And second the emitter of triode Q2 be grounded jointly, the single chip microcomputer driving circuit (61) includes eleventh resistor R11,
12 resistance R12, thirteenth resistor R13, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16, the 4th capacitance
C4, the 5th capacitance C5, the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2, the first Light-emitting diode LED 1 and wireless communication module U3, institute
The wireless communication module U3 stated uses SIM900A, one end of the eleventh resistor R11 to connect the source electrode of the first metal-oxide-semiconductor V1,
One end of the grid connection thirteenth resistor R13 of first metal-oxide-semiconductor V1, the other end of thirteenth resistor R13 and the first metal-oxide-semiconductor V1
The common connection wireless communication module U3 of drain electrode 9 feet, one end of twelfth resistor R12 connects the source electrode of the second metal-oxide-semiconductor V2, the
One end of the 14th resistance R14 of grid connection of two metal-oxide-semiconductor V2, the other end of the 14th resistance R14 and the second metal-oxide-semiconductor V2's
1,52 feet of 10 feet of the common connection wireless communication module U3 of drain electrode, wireless communication module U3 are separately connected the transmitting-receiving instruction
Circuit (64), 4 feet of wireless communication module U3 connect one end of the 15th resistance R15, the other end connection of the 15th resistance R15
The anode of first Light-emitting diode LED 1,16 feet of wireless communication module U3 respectively with 33 feet, the 4th capacitance C4 one end and
One end of 16th resistance R16 connects, and 26 feet of wireless communication module U3 are connect with the anode of the 5th capacitance C5, radio communication mold
30~34 feet connection of the block U3 SIM card driving circuit (62), the source electrode of the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2 source electrode
And 16 feet of wireless communication module U3 are also connect with the interface circuit (63) respectively, the other end of eleventh resistor R11,
55~57 feet of the other end of twelfth resistor R12, the other end of the 16th resistance R16 and wireless communication module U3 connect jointly
Second DC power supply VCC, the cathode of the first Light-emitting diode LED 1, the other end of the 4th capacitance C4, the 5th capacitance C5 cathode
And 17,18,29,39,45,46,53,54,58,59,61~65 feet of wireless communication module U3 are grounded jointly, the SIM
Card driving circuit (62) includes the 17th resistance R17, the 18th resistance R18, the 19th resistance R19, the 6th capacitance C6, the 7th electricity
Hold C7, the 8th capacitance C8, the 9th capacitance C9, SIM card slot JS and TVS pipe U4, the TVS pipe U4 and uses SMF05C, institute
1 foot of the SIM card slot JS stated is connect with 5 feet of one end of the 7th capacitance C7 and TVS pipe U4 respectively, and jointly described in connection
Single chip microcomputer driving circuit (61) in wireless communication module U3 30 feet, 2 feet of SIM card slot JS respectively with the 17th resistance
One end of R17 and the 4 feet connection of TVS pipe U4, the other end of the 17th resistance R17 are connect with one end of the 8th capacitance C8, and
33 feet of common connection wireless communication module U3,3 feet of SIM card slot JS respectively with one end of the 18th resistance R18 and TVS
3 feet of pipe U4 connect, and the other end of the 18th resistance R18 is connect with one end of the 9th capacitance C9, and connection wireless communication jointly
32 feet of module U3,34 feet of the 6 feet connection wireless communication module U3 of SIM card slot JS, 7 feet of SIM card slot JS respectively with
One end of 19th resistance R19 and the 6 feet connection of TVS pipe U4, the other end of the 19th resistance R19 and the one of the 6th capacitance C6
End connection, and 31 feet of connection wireless communication module U3 jointly, the other end of the 6th capacitance C6, the other end of the 7th capacitance C7,
The other end of 8th capacitance C8, the other end of the 9th capacitance C9,5 feet of SIM card slot JS and TVS pipe U4 2 feet connect jointly
Ground, the interface circuit (63) includes the 5th interface J5, fuse F1, the 6th diode D6 and voltage-stabiliser tube ZD, described
One end of fuse F1 connects the anode of the 6th diode D6, the cathode of the 6th diode D6, the cathode of voltage-stabiliser tube ZD and the
3 feet that 4,6 feet of five interface J5 meet the second DC power supply VCC, the 5th interface J5 jointly connect the single chip microcomputer driving circuit
(61) 1,2 feet of 16 feet of the wireless communication module U3 in, the 5th interface J5 are separately connected the single chip control unit
(1), the 5 feet ground connection of the 5th interface J5, the transmitting-receiving indicating circuit (64) include receiving indicating circuit (641) and sending to indicate
Circuit (642), wherein the reception indicating circuit (641) includes the 20th resistance R20, the 21st resistance R21 and the
One end of three triode Q3, the 20th resistance R20 respectively with one end of the 21st resistance R21 and third transistor
The base stage of Q3 connects, the wireless communication module in single chip microcomputer driving circuit (61) described in the collector connection of third transistor Q3
1 foot of U3, another termination the second DC power supply VCC of the 20th resistance R20, the other end of the 21st resistance R21 and
The emitter of three triode Q3 is grounded jointly；The transmission indicating circuit (642) includes the 22nd resistance R22, the 20th
Three resistance R23, the second Light-emitting diode LED 2 and the 4th triode Q4, one end connection of the 22nd resistance R22
The anode of second Light-emitting diode LED 2, the cathode of the second Light-emitting diode LED 2 connect the collector of the 4th triode Q4, the
The base stage of four triode Q4 connects one end of the 23rd resistance R23, the other end connection wireless communication of the 23rd resistance R23
52 feet of module U3, the second DC power supply of another termination VCC of the 22nd resistance R22, the emitter of the 4th triode Q4 connect
Ground.
2. intelligent fire Internet of Things monitoring device according to claim 1, it is characterised in that the power circuit (2) includes
First interface J1, the first diode D1, the second diode D2, third diode D3, the 4th diode D4, the first capacitance C1,
Two capacitance C2, third capacitance C3 and linear voltage regulator U1, the linear voltage regulator U1 uses SPX2954AM3-5.0, described
First interface J1 connection AC powers, 2 feet of first interface J1 respectively with the anode of the first diode D1 and the two or two pole
The cathode of pipe D2 connects, 1 foot of first interface J1 respectively with the cathode of third diode D3 and the anode of the 4th diode D4
Connection, the cathode of the first diode D1 respectively with the cathode of the 4th diode D4, the anode and linear voltage stabilization of the first capacitance C1
1 foot of device U1 connects, and exports the first DC power supply VDD jointly, 3 feet of linear voltage regulator U1 and the second capacitance C2 it is positive with
And one end connection of third capacitance C3, and the second DC power supply VCC, the anode of the second diode D2, the three or two pole are exported jointly
The anode of pipe D3, the cathode of the first capacitance C1,2 feet of linear voltage regulator U1, the cathode of the second capacitance C2 and third capacitance C3
One end be grounded jointly.
3. intelligent fire Internet of Things monitoring device according to claim 2, it is characterised in that the power circuit (2) also wraps
Filtering clean circuit (21) is included, the filtering clean circuit (21) includes the tenth capacitance C10, the 11st capacitance C11, the 12nd
Capacitance C12 and the 13rd capacitance C13, one end of the tenth capacitance C10, one end of the 11st capacitance C11, the 12nd electricity
One end of one end and the 13rd capacitance C13 for holding C12 connects the second DC power supply VCC, the described the tenth electricity jointly
Hold the other end of C10, the other end of the 11st capacitance C11, the other end of the 12nd capacitance C12 and the 13rd capacitance C13
The other end is grounded jointly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510601545.2A CN105148445B (en) | 2015-09-18 | 2015-09-18 | Intelligent fire Internet of Things monitoring device |
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| CN201510601545.2A CN105148445B (en) | 2015-09-18 | 2015-09-18 | Intelligent fire Internet of Things monitoring device |
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| CN105148445B true CN105148445B (en) | 2018-07-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105457210A (en) * | 2015-12-21 | 2016-04-06 | 徐州中矿消防安全技术装备有限公司 | Fire-hydrant water control device based on internet of things |
| CN110267417B (en) * | 2019-06-10 | 2021-04-16 | 海洋王（东莞）照明科技有限公司 | Explosion-proof loop control device and explosion-proof lamp |
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