CN105148445A - Intelligent fire-fighting internet of things monitoring device - Google Patents
Intelligent fire-fighting internet of things monitoring device Download PDFInfo
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- CN105148445A CN105148445A CN201510601545.2A CN201510601545A CN105148445A CN 105148445 A CN105148445 A CN 105148445A CN 201510601545 A CN201510601545 A CN 201510601545A CN 105148445 A CN105148445 A CN 105148445A
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Abstract
The invention relates to an intelligent fire-fighting internet of things monitoring device, belonging to the technical field of fire-fighting equipment detection equipment. The intelligent fire-fighting internet of things monitoring device comprises a single chip microcomputer control unit, a power supply circuit, a pressure transmission circuit, a voltage detection circuit, a water detection circuit and a communication circuit, wherein the power supply circuit, the pressure transmission circuit, the voltage detection circuit and the water detection circuit are respectively connected with the single chip microcomputer control unit; the communication circuit comprises a single chip microcomputer driving circuit, an SIM card driving circuit, an interface circuit and a transmit-receive indicating circuit; the single chip microcomputer driving circuit is respectively connected with the SIM card driving circuit, the interface circuit and the transmit-receive indicating circuit, and the interface circuit is connected with the single chip microcomputer control unit. The intelligent fire-fighting internet of things monitoring device has the advantages that whether fire hydrants in every place of a city are filled with water or not and whether the water pressure is sufficient or not can be remotely monitored in real time; if the situation of water shortage occurs, maintenance personnel can be notified in time to go to repair; thus, the checking flaw of the fire hydrants can be reduced, the repairing efficiency of the fire hydrants can be improved, and the potential safety hazard that the fire fighting time is delayed due to water shortage of the dire hydrants can be removed.
Description
Technical field
The invention belongs to fire fighting device checkout equipment technical field, be specifically related to a kind of intelligent fire thing connection monitoring device.
Background technology
Fire hydrant, as the infrastructure of urban fire control, plays key effect in fire fighting process.But due to security against fire consciousness unsound, safeguard the backwardness of monitoring means, still there is following deficiency in current fire hydrant: fire hydrant is often scattered in the diverse location in city, long-term no fire hydrant is destroyed or inefficacy easily, and occur leaking, the situation of lack of water, owing to there is no the monitoring system concentrated, the above-mentioned fault of fire hydrant often cannot be completed repairs by Timeliness coverage, therefore, when fire alarm occur and when needing fire hydrant to supply water, if find, fire hydrant occurs that hydraulic pressure is inadequate, or there is no the situation of hydraulic pressure at all, the rescue work of fire alarm will be had a strong impact on, the loss that cannot retrieve is caused to fire, in addition, the water pressure monitoring method that existing fire hydrant is conventional is at fire hydrant outer setting hydraulic pressure display list, but needs to safeguard that monitoring personnel go to scene to check one by one and detect and could find fault, and this mode wastes a large amount of manpower and materials, and overhaul efficiency is poor.
In view of above-mentioned prior art, the monitoring device providing a kind of energy real-time remote monitoring fire hydrant water pressures is technical problem instantly urgently to be resolved hurrily, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of intelligent fire thing to join monitoring device, whether can have water by remote monitoring fire hydrant, eliminate the potential safety hazard of fire hydrant lack of water, improve fire hydrant overhaul efficiency.
The object of the invention is to reach like this, a kind of intelligent fire thing connection monitoring device, it is characterized in that comprising single chip control unit, power circuit, pressure inverting circuit, voltage detecting circuit, visit water testing circuit and communicating circuit, described power circuit, pressure inverting circuit, voltage detecting circuit and spy water testing circuit are connected with single chip control unit respectively, described communicating circuit comprises single chip microcomputer driving circuit, SIM drive circuit, interface circuit and transmitting-receiving indicating circuit, described single chip microcomputer driving circuit respectively with SIM drive circuit, interface circuit and transmitting-receiving indicating circuit connect, described interface circuit is connected with single chip control unit.
In a specific embodiment of the present invention, described power circuit comprises first interface J1, first diode D1, second diode D2, 3rd diode D3, 4th diode D4, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3 and linear voltage regulator U1, described linear voltage regulator U1 adopts SPX2954AM3-5.0, described first interface J1 connects AC power, 2 pin of first interface J1 are connected with the positive pole of the first diode D1 and the negative pole of the second diode D2 respectively, 1 pin of first interface J1 is connected with the negative pole of the 3rd diode D3 and the positive pole of the 4th diode D4 respectively, the negative pole of the first diode D1 respectively with the negative pole of the 4th diode D4, the positive pole of the first electric capacity C1 and 1 pin of linear voltage regulator U1 connect, and common output the first dc source VDD, 3 pin of linear voltage regulator U1 are connected with one end of the positive pole of the second electric capacity C2 and the 3rd electric capacity C3, and common output the second dc source VCC, the positive pole of the second diode D2, the positive pole of the 3rd diode D3, the negative pole of the first electric capacity C1, 2 pin of linear voltage regulator U1, the negative pole of the second electric capacity C2 and one end common ground of the 3rd electric capacity C3.
In another specific embodiment of the present invention, described pressure inverting circuit comprises the second interface J2, first resistance R1, second resistance R2 and the first operational amplifier U2A, the first described operational amplifier U2A adopts LM358A, the second described interface J2 Bonding pressure transmitter, 1 pin of the second interface J2 is connected with one end of the second resistance R2 and 3 pin of the first operational amplifier U2A respectively, 1 of first operational amplifier U2A, 2 pin are connected with one end of the first resistance R1 jointly, the single chip control unit described in other end connection of the first resistance R1, 2 pin of the second interface J2 and 8 pin of the first operational amplifier U2A meet the second dc source VCC jointly, 4 pin of the first operational amplifier U2A and the other end common ground of the second resistance R2.
In another specific embodiment of the present invention, described voltage detecting circuit comprises the 3rd interface J3, 5th diode D5, 3rd resistance R3, 4th resistance R4, 5th resistance R5 and the second operational amplifier U2B, the second described operational amplifier U2B adopts LM358A, the 3rd described interface J3 connects external dc power, 2 pin of the 3rd interface J3 are connected with the positive pole of the 5th diode D5 and one end of the 3rd resistance R3 respectively, the other end of the 3rd resistance R3 is connected with one end of the 4th resistance R4 and 5 pin of the second operational amplifier U2B respectively, 6 of second operational amplifier U2B, 7 pin are connected with one end of the 5th resistance R5 jointly, the single chip control unit described in other end connection of the 5th resistance R5, the negative pole of the 5th diode D5 connects the first dc source VDD, 1 pin of the 3rd interface J3 and the other end common ground of the 4th resistance R4.
In another specific embodiment of the present invention, described spy water testing circuit comprises the 4th interface J4, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R9, tenth resistance R10, first triode Q1 and the second triode Q2, the 4th described interface J4 connects spy water prode, 2 pin of the 4th interface J4 connect one end of the 7th resistance R7, the other end of the 7th resistance R7 is connected with one end of the 9th resistance R9 and the base stage of the first triode Q1 respectively, the colelctor electrode of the first triode Q1 is connected with one end of the tenth resistance R10, the other end of the tenth resistance R10 is connected with one end of the 8th resistance R8 and the base stage of the second triode Q2 respectively, the colelctor electrode of the second triode Q2 connects one end of the 6th resistance R6, and the single chip control unit described in common connection, the other end of the 6th resistance R6, the other end of the 9th resistance R9 and the emitter stage of the first triode Q1 meet the second dc source VCC jointly, 1 pin of the 4th interface J4, the other end of the 8th resistance R8 and the emitter stage common ground of the second triode Q2.
Also have in a specific embodiment of the present invention, described single chip microcomputer driving circuit comprises the 11 resistance R11, 12 resistance R12, 13 resistance R13, 14 resistance R14, 15 resistance R15, 16 resistance R16, 4th electric capacity C4, 5th electric capacity C5, first metal-oxide-semiconductor V1, second metal-oxide-semiconductor V2, first LED 1 and wireless communication module U3, described wireless communication module U3 adopts SIM900A, one end of the 11 described resistance R11 connects the source electrode of the first metal-oxide-semiconductor V1, the grid of the first metal-oxide-semiconductor V1 connects one end of the 13 resistance R13, the other end of the 13 resistance R13 and the drain electrode of the first metal-oxide-semiconductor V1 connect 9 pin of wireless communication module U3 jointly, one end of 12 resistance R12 connects the source electrode of the second metal-oxide-semiconductor V2, the grid of the second metal-oxide-semiconductor V2 connects one end of the 14 resistance R14, the other end of the 14 resistance R14 and the drain electrode of the second metal-oxide-semiconductor V2 connect 10 pin of wireless communication module U3 jointly, 1 of wireless communication module U3, 52 pin connect described transmitting-receiving indicating circuit respectively, and 4 pin of wireless communication module U3 connect one end of the 15 resistance R15, and the other end of the 15 resistance R15 connects the positive pole of the first LED 1,16 pin of wireless communication module U3 respectively with 33 pin, one end of 4th electric capacity C4 and one end of the 16 resistance R16 connect, and 26 pin of wireless communication module U3 are connected with the positive pole of the 5th electric capacity C5, the SIM drive circuit described in 30 ~ 34 pin connections of wireless communication module U3, the source electrode of the first metal-oxide-semiconductor V1, the source electrode of the second metal-oxide-semiconductor V2 and 16 pin of wireless communication module U3 are also connected with described interface circuit respectively, the other end of the 11 resistance R11, the other end of the 12 resistance R12, the other end of the 16 resistance R16 and 55 ~ 57 pin of wireless communication module U3 meet the second dc source VCC jointly, the negative pole of the first LED 1, the other end of the 4th electric capacity C4, the negative pole of the 5th electric capacity C5 and 17 of wireless communication module U3, 18, 29, 39, 45, 46, 53, 54, 58, 59, 61 ~ 65 pin common grounds.
More of the present invention and in a specific embodiment, described SIM drive circuit comprises the 17 resistance R17, 18 resistance R18, 19 resistance R19, 6th electric capacity C6, 7th electric capacity C7, 8th electric capacity C8, 9th electric capacity C9, SIM slot JS and TVS pipe U4, described TVS pipe U4 adopts SMF05C, 1 pin of described SIM slot JS is connected with one end of the 7th electric capacity C7 and 5 pin of TVS pipe U4 respectively, and common connect described in single chip microcomputer driving circuit in 30 pin of wireless communication module U3, 2 pin of SIM slot JS are connected with one end of the 17 resistance R17 and 4 pin of TVS pipe U4 respectively, the other end of the 17 resistance R17 is connected with one end of the 8th electric capacity C8, and common 33 pin connecting wireless communication module U3, 3 pin of SIM slot JS are connected with one end of the 18 resistance R18 and 3 pin of TVS pipe U4 respectively, the other end of the 18 resistance R18 is connected with one end of the 9th electric capacity C9, and common 32 pin connecting wireless communication module U3, 6 pin of SIM slot JS connect 34 pin of wireless communication module U3, 7 pin of SIM slot JS are connected with one end of the 19 resistance R19 and 6 pin of TVS pipe U4 respectively, the other end of the 19 resistance R19 is connected with one end of the 6th electric capacity C6, and common 31 pin connecting wireless communication module U3, the other end of the 6th electric capacity C6, the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8, the other end of the 9th electric capacity C9, 5 pin of SIM slot JS and the 2 pin common grounds of TVS pipe U4.
In an of the present invention and then specific embodiment, described interface circuit comprises the 5th interface J5, fuse F1, 6th diode D6 and voltage-stabiliser tube ZD, one end of described fuse F1 connects the positive pole of the 6th diode D6, the negative pole of the 6th diode D6, the negative pole of voltage-stabiliser tube ZD and 4 of the 5th interface J5, 6 pin meet the second dc source VCC jointly, 3 pin of the 5th interface J5 connect 16 pin of the wireless communication module U3 in described single chip microcomputer driving circuit, 1 of 5th interface J5, 2 pin connect described single chip control unit respectively, the 5 pin ground connection of the 5th interface J5.
Of the present invention again more and in a specific embodiment, described transmitting-receiving indicating circuit comprises reception indicating circuit and sends indicating circuit, wherein, described reception indicating circuit comprises the 20 resistance R20, 21 resistance R21 and the 3rd triode Q3, one end of the 20 described resistance R20 is connected with one end of the 21 resistance R21 and the base stage of the 3rd triode Q3 respectively, 1 pin of the wireless communication module U3 in the single chip microcomputer driving circuit described in colelctor electrode connection of the 3rd triode Q3, another termination second dc source VCC of the 20 resistance R20, the other end of the 21 resistance R21 and the emitter stage common ground of the 3rd triode Q3, described transmission indicating circuit comprises the 22 resistance R22, 23 resistance R23, second LED 2 and the 4th triode Q4, one end of the 22 described resistance R22 connects the positive pole of the second LED 2, the negative pole of the second LED 2 connects the colelctor electrode of the 4th triode Q4, the base stage of the 4th triode Q4 connects one end of the 23 resistance R23, the other end of the 23 resistance R23 connects 52 pin of wireless communication module U3, another termination second dc source VCC of the 22 resistance R22, the grounded emitter of the 4th triode Q4.
In an again of the present invention and then specific embodiment, described power circuit also comprises filtering clean circuit, described filtering clean circuit comprises the tenth electric capacity C10, 11 electric capacity C11, 12 electric capacity C12 and the 13 electric capacity C13, one end of the tenth described electric capacity C10, one end of 11 electric capacity C11, one end of 12 electric capacity C12 and one end of the 13 electric capacity C13 connect the second described dc source VCC jointly, the other end of the tenth described electric capacity C10, the other end of the 11 electric capacity C11, the other end of the 12 electric capacity C12 and the other end common ground of the 13 electric capacity C13.
The present invention is owing to have employed said structure, compared with prior art, the beneficial effect had is: the hydraulic pressure size in fire hydrant is detected by pressure transmitter, and in fire hydrant, whether have water to detect by visiting water prode, the voltage signal recorded is exported to single chip control unit by pressure transmitter and spy water prode, communicating circuit is driven by single chip control unit, signal is sent to the signal transceiver of specifying, can realize thus to city everywhere fire hydrant whether have water, whether hydraulic pressure enough carries out real-time remote monitoring, if occur, lack of water situation can notify that maintenance personal goes in time and place under repair, such fire hydrant that can reduce checks leak, improve fire hydrant overhaul efficiency, remove the potential safety hazard incuring loss through delay fire fighting opportunity because of fire hydrant lack of water.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Fig. 2 is the theory 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 spy water testing circuit of the present invention.
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 drive 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 reception indicating circuit of the present invention.
Figure 11 is the electrical schematic diagram of transmission indicating circuit of the present invention.
Figure 12 is the electrical schematic diagram of filtering clean circuit of the present invention.
Figure 13 is the single-chip microcomputer 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. voltage detecting circuit; 5. visit water testing circuit; 6. communicating circuit, 61. single chip microcomputer driving circuits, 62.SIM card drive circuit, 63. interface circuits, 64. transmitting-receiving indicating circuits, 641. receive indicating circuit, 642. and send indicating circuit.
Detailed description of the invention
Technical spirit of the present invention and beneficial effect can be fully understood in order to make the public; applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the present invention's design all should be considered as protection scope of the present invention.
Refer to Fig. 1 and Fig. 2, the present invention relates to a kind of intelligent fire thing connection monitoring device, be mainly used in whether having water and hydraulic pressure size to monitor to municipal outdoor fire hydrant, the fire hydrant having water can be searched nearby, find the fault of fire hydrant in advance and rush to repair in time, near occurring when stopping to put out a fire, the situation of fire hydrant lack of water, is conducive to the smooth expansion of later fire fighting work.This intelligent fire thing connection monitoring device comprises single chip control unit 1, power circuit 2, pressure inverting circuit 3, voltage detecting circuit 4, visits water testing circuit 5 and communicating circuit 6, and described power circuit 2, pressure inverting circuit 3, voltage detecting circuit 4 and spy water testing circuit 5 are connected with single chip control unit 1 respectively.Described communicating circuit 6 comprises single chip microcomputer driving circuit 61, SIM drive circuit 62, interface circuit 63 and transmitting-receiving indicating circuit 64, described single chip microcomputer driving circuit 61 is respectively with SIM drive circuit 62, interface circuit 63 and receive and dispatch indicating circuit 64 and be connected, and described interface circuit 63 is connected with single chip control unit 1.Described pressure inverting circuit 3 is connected with pressure transmitter, and described spy water testing circuit 5 is connected with spy water prode, and pressure transmitter and spy water prode are arranged on the side of fire hydrant body.The output signal of single chip control unit 1 Real-time Collection pressure transmitter and spy water prode, calculate actual hydraulic pressure value, magnitude of voltage through analog-to-digital conversion analysis meter after signal enters single chip control unit 1, then drive communicating circuit 6 that hydraulic pressure value, magnitude of voltage are sent to the information transceiver of specifying with the form of note.When practical application, signal can be sent to mobile phone by described communicating circuit 6, also can be sent to Surveillance center to realize remote monitoring.In the present embodiment, the single-chip microcomputer in described single chip control unit 1 adopts Pic16F883, Figure 13 to give its pin schematic diagram.
Refer to Fig. 3, described power circuit 2 comprises first interface J1, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and linear voltage regulator U1, described linear voltage regulator U1 adopts SPX2954AM3-5.0, and described first interface J1 connects AC power.The first described diode D1, the second diode D2, the 3rd diode D3 and the 4th diode D4 form rectification circuit; The first described electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3 form filter circuit, filtering circuit medium-high frequency, low-frequency interference signal; Described linear voltage regulator U1 plays isolation pressure stabilization function.This power circuit 2 produces the first dc source VDD and the second dc source VCC, for providing power supply for whole device.In addition, the power supply of this device can also adopt the mode of photovoltaic generation.Described power circuit 2 also comprises filtering clean circuit 21, and described filtering clean circuit 21 comprises the tenth electric capacity C10, the 11 electric capacity C11, the 12 electric capacity C12 and the 13 electric capacity C13.
Refer to Fig. 4, described pressure inverting circuit comprises the second interface J2, the first resistance R1, the second resistance R2 and the first operational amplifier U2A, and the first described operational amplifier U2A adopts LM358A, the second described interface J2 Bonding pressure transmitter.Described pressure transmitter is screwed on fire hydrant outer wall, can export corresponding voltage signal according to the size of hydraulic pressure in fire hydrant.The first described resistance R1, the second resistance R2 and the first operational amplifier U2A form emitter follower circuit, and the voltage signal from pressure transmitter collection is exported to described single chip control unit 1.
Refer to Fig. 5, described voltage detecting circuit comprises the 3rd interface J3, the 5th diode D5, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5 and the second operational amplifier U2B, and the second described operational amplifier U2B adopts LM358A.The power supply of this device can adopt above-mentioned AC power or photo-voltaic power supply, also directly can adopt dc source.The 3rd described interface J3 connects external dc power, the second described operational amplifier U2B is emitter following pipe, its 5 pin detects the voltage at the 4th resistance R4 two ends, and the single chip control unit 1 described in 7 pin connect, is detected by Single-chip Controlling monolithic 1 pair of voltage.The 3rd described resistance R3 and the 4th resistance R4 forms DC voltage divider circuit; The 5th described diode D5 plays buffer action.
Refer to Fig. 6, described spy water testing circuit comprises 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, and the 4th described interface J4 connects spy water prode.Described spy water prode is screwed on fire hydrant outer wall, can export low and high level signal according to whether having water in fire hydrant.When visiting water prode and disconnecting not conducting, first triode Q1 ends, the base stage of the second triode Q2 becomes electronegative potential, second triode Q2 ends, the single chip control unit 1 described in colelctor electrode connection of the second triode Q2, single chip control unit 1 detects high level, shows this fire hydrant lack of water, needs to overhaul in time.When visiting water prode conducting, the base stage of the first triode Q1 becomes electronegative potential, the first triode Q1 conducting, and the base stage of the second triode Q2 becomes high potential, the second triode Q2 conducting, and single chip control unit 1 detects low level, and showing this fire hydrant has water.
Refer to Fig. 7, described single chip microcomputer driving circuit 61 comprises the 11 resistance R11, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, the 16 resistance R16, the 4th electric capacity C4, the 5th electric capacity C5, the first metal-oxide-semiconductor V1, the second metal-oxide-semiconductor V2, the first LED 1 and wireless communication module U3, and described wireless communication module U3 adopts SIM900A.One end of the 11 described resistance R11 connects the source electrode of the first metal-oxide-semiconductor V1, the grid of the first metal-oxide-semiconductor V1 connects one end of the 13 resistance R13, the other end of the 13 resistance R13 and the drain electrode of the first metal-oxide-semiconductor V1 connect 9 pin of wireless communication module U3 jointly, one end of 12 resistance R12 connects the source electrode of the second metal-oxide-semiconductor V2, the grid of the second metal-oxide-semiconductor V2 connects one end of the 14 resistance R14, the other end of the 14 resistance R14 and the drain electrode of the second metal-oxide-semiconductor V2 connect 10 pin of wireless communication module U3 jointly, 1 of wireless communication module U3, 52 pin connect described transmitting-receiving indicating circuit 64 respectively, 4 pin of wireless communication module U3 connect one end of the 15 resistance R15, the other end of the 15 resistance R15 connects the positive pole of the first LED 1, 16 pin of wireless communication module U3 respectively with 33 pin, one end of 4th electric capacity C4 and one end of the 16 resistance R16 connect, 26 pin of wireless communication module U3 are connected with the positive pole of the 5th electric capacity C5, the SIM drive circuit 62 described in 30 ~ 34 pin connections of wireless communication module U3, the source electrode of the first metal-oxide-semiconductor V1, the source electrode of the second metal-oxide-semiconductor V2 and 16 pin of wireless communication module U3 are also connected with described interface circuit 63 respectively.The first described metal-oxide-semiconductor V1 and the second metal-oxide-semiconductor V2 plays driving effect, the acceptance of control signal and transmission.Described wireless communication module U3 relies on GPRS network and mobile phone or Surveillance center to communicate to connect, and realizes the remote monitoring to fire hydrant.
Refer to Fig. 8, described SIM drive circuit 62 comprises the 17 resistance R17, the 18 resistance R18, the 19 resistance R19, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, SIM slot JS and TVS pipe U4, and described TVS pipe U4 adopts SMF05C.Described SIM slot JS is used for plugging SIM, is sent to number corresponding to inserted SIM, can receives corresponding reply, realize the communication test to this device with mobile phone editing short message.Wherein, the 8th described electric capacity C8 and the 9th electric capacity C9 plays filtering, jamproof effect; Described TVS pipe U4 provides burning voltage for SIM drives.
Refer to Fig. 9, described interface circuit 63 comprises the 5th interface J5, fuse F1, the 6th diode D6 and voltage-stabiliser tube ZD.One end of described fuse F1 connects the positive pole of the 6th diode D6, and 4,6 pin of the negative pole of the 6th diode D6, the negative pole of voltage-stabiliser tube ZD and the 5th interface J5 meet the second dc source VCC jointly.3 pin of the 5th interface J5 connect 16 pin of the wireless communication module U3 in described single chip microcomputer driving circuit 61, and 1,2 pin of the 5th interface J5 connect the 5 pin ground connection of described single chip control unit the 1, five interface J5 respectively.Described wireless communication module U3 is communicated to connect by the RXD serial ports of this interface circuit 63 and the single-chip microcomputer in described single chip control unit 1, TXD serial ports.
Refer to Figure 10, described transmitting-receiving indicating circuit 64 comprises and receives indicating circuit 641 and send indicating circuit 642, is respectively used to send indicative function to the Signal reception of wireless communication module U3 and signal.Wherein, described reception indicating circuit 641 comprises the 20 resistance R20, the 21 resistance R21 and the 3rd triode Q3.1 pin of the wireless communication module U3 in the single chip microcomputer driving circuit 61 described in colelctor electrode connection of the 3rd triode Q3; Described transmission indicating circuit 642 comprises the 22 resistance R22, the 23 resistance R23, the second LED 2 and the 4th triode Q4, the base stage of the 4th triode Q4 connects one end of the 23 resistance R23, and the other end of the 23 resistance R23 connects 52 pin of wireless communication module U3.
Claims (10)
1. an intelligent fire thing connection monitoring device, it is characterized in that comprising single chip control unit (1), power circuit (2), pressure inverting circuit (3), voltage detecting circuit (4), visit water testing circuit (5) and communicating circuit (6), described power circuit (2), pressure inverting circuit (3), voltage detecting circuit (4) and spy water testing circuit (5) are connected with single chip control unit (1) respectively, described communicating circuit (6) comprises single chip microcomputer driving circuit (61), SIM drive circuit (62), interface circuit (63) and transmitting-receiving indicating circuit (64), described single chip microcomputer driving circuit (61) respectively with SIM drive circuit (62), interface circuit (63) and transmitting-receiving indicating circuit (64) connect, described interface circuit (63) is connected with single chip control unit (1).
2. intelligent fire thing connection monitoring device according to claim 1, is characterized in that described power circuit (2) comprises first interface J1, first diode D1, second diode D2, 3rd diode D3, 4th diode D4, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3 and linear voltage regulator U1, described linear voltage regulator U1 adopts SPX2954AM3-5.0, described first interface J1 connects AC power, 2 pin of first interface J1 are connected with the positive pole of the first diode D1 and the negative pole of the second diode D2 respectively, 1 pin of first interface J1 is connected with the negative pole of the 3rd diode D3 and the positive pole of the 4th diode D4 respectively, the negative pole of the first diode D1 respectively with the negative pole of the 4th diode D4, the positive pole of the first electric capacity C1 and 1 pin of linear voltage regulator U1 connect, and common output the first dc source VDD, 3 pin of linear voltage regulator U1 are connected with one end of the positive pole of the second electric capacity C2 and the 3rd electric capacity C3, and common output the second dc source VCC, the positive pole of the second diode D2, the positive pole of the 3rd diode D3, the negative pole of the first electric capacity C1, 2 pin of linear voltage regulator U1, the negative pole of the second electric capacity C2 and one end common ground of the 3rd electric capacity C3.
3. intelligent fire thing connection monitoring device according to claim 1, it is characterized in that described pressure inverting circuit (3) comprises the second interface J2, first resistance R1, second resistance R2 and the first operational amplifier U2A, the first described operational amplifier U2A adopts LM358A, the second described interface J2 Bonding pressure transmitter, 1 pin of the second interface J2 is connected with one end of the second resistance R2 and 3 pin of the first operational amplifier U2A respectively, 1 of first operational amplifier U2A, 2 pin are connected with one end of the first resistance R1 jointly, the single chip control unit (1) described in other end connection of the first resistance R1, 2 pin of the second interface J2 and 8 pin of the first operational amplifier U2A meet the second dc source VCC jointly, 4 pin of the first operational amplifier U2A and the other end common ground of the second resistance R2.
4. intelligent fire thing connection monitoring device according to claim 1, it is characterized in that described voltage detecting circuit (4) comprises the 3rd interface J3, 5th diode D5, 3rd resistance R3, 4th resistance R4, 5th resistance R5 and the second operational amplifier U2B, the second described operational amplifier U2B adopts LM358A, the 3rd described interface J3 connects external dc power, 2 pin of the 3rd interface J3 are connected with the positive pole of the 5th diode D5 and one end of the 3rd resistance R3 respectively, the other end of the 3rd resistance R3 is connected with one end of the 4th resistance R4 and 5 pin of the second operational amplifier U2B respectively, 6 of second operational amplifier U2B, 7 pin are connected with one end of the 5th resistance R5 jointly, the single chip control unit (1) described in other end connection of the 5th resistance R5, the negative pole of the 5th diode D5 connects the first dc source VDD, 1 pin of the 3rd interface J3 and the other end common ground of the 4th resistance R4.
5. intelligent fire thing connection monitoring device according to claim 1, it is characterized in that described spy water testing circuit (5) comprises the 4th interface J4, 6th resistance R6, 7th resistance R7, 8th resistance R8, 9th resistance R9, tenth resistance R10, first triode Q1 and the second triode Q2, the 4th described interface J4 connects spy water prode, 2 pin of the 4th interface J4 connect one end of the 7th resistance R7, the other end of the 7th resistance R7 is connected with one end of the 9th resistance R9 and the base stage of the first triode Q1 respectively, the colelctor electrode of the first triode Q1 is connected with one end of the tenth resistance R10, the other end of the tenth resistance R10 is connected with one end of the 8th resistance R8 and the base stage of the second triode Q2 respectively, the colelctor electrode of the second triode Q2 connects one end of the 6th resistance R6, and the single chip control unit (1) described in common connection, the other end of the 6th resistance R6, the other end of the 9th resistance R9 and the emitter stage of the first triode Q1 meet the second dc source VCC jointly, 1 pin of the 4th interface J4, the other end of the 8th resistance R8 and the emitter stage common ground of the second triode Q2.
6. intelligent fire thing connection monitoring device according to claim 1, is characterized in that described single chip microcomputer driving circuit (61) comprises the 11 resistance R11, 12 resistance R12, 13 resistance R13, 14 resistance R14, 15 resistance R15, 16 resistance R16, 4th electric capacity C4, 5th electric capacity C5, first metal-oxide-semiconductor V1, second metal-oxide-semiconductor V2, first LED 1 and wireless communication module U3, described wireless communication module U3 adopts SIM900A, one end of the 11 described resistance R11 connects the source electrode of the first metal-oxide-semiconductor V1, the grid of the first metal-oxide-semiconductor V1 connects one end of the 13 resistance R13, the other end of the 13 resistance R13 and the drain electrode of the first metal-oxide-semiconductor V1 connect 9 pin of wireless communication module U3 jointly, one end of 12 resistance R12 connects the source electrode of the second metal-oxide-semiconductor V2, the grid of the second metal-oxide-semiconductor V2 connects one end of the 14 resistance R14, the other end of the 14 resistance R14 and the drain electrode of the second metal-oxide-semiconductor V2 connect 10 pin of wireless communication module U3 jointly, 1 of wireless communication module U3, 52 pin connect described transmitting-receiving indicating circuit (64) respectively, 4 pin of wireless communication module U3 connect one end of the 15 resistance R15, the other end of the 15 resistance R15 connects the positive pole of the first LED 1,16 pin of wireless communication module U3 respectively with 33 pin, one end of 4th electric capacity C4 and one end of the 16 resistance R16 connect, 26 pin of wireless communication module U3 are connected with the positive pole of the 5th electric capacity C5, the SIM drive circuit (62) described in 30 ~ 34 pin connections of wireless communication module U3, the source electrode of the first metal-oxide-semiconductor V1, the source electrode of the second metal-oxide-semiconductor V2 and 16 pin of wireless communication module U3 are also connected with described interface circuit (63) respectively, the other end of the 11 resistance R11, the other end of the 12 resistance R12, the other end of the 16 resistance R16 and 55 ~ 57 pin of wireless communication module U3 meet the second dc source VCC jointly, the negative pole of the first LED 1, the other end of the 4th electric capacity C4, the negative pole of the 5th electric capacity C5 and 17 of wireless communication module U3, 18, 29, 39, 45, 46, 53, 54, 58, 59, 61 ~ 65 pin common grounds.
7. intelligent fire thing connection monitoring device according to claim 6, it is characterized in that described SIM drive circuit (62) comprises the 17 resistance R17, 18 resistance R18, 19 resistance R19, 6th electric capacity C6, 7th electric capacity C7, 8th electric capacity C8, 9th electric capacity C9, SIM slot JS and TVS pipe U4, described TVS pipe U4 adopts SMF05C, 1 pin of described SIM slot JS is connected with one end of the 7th electric capacity C7 and 5 pin of TVS pipe U4 respectively, and common connect described in single chip microcomputer driving circuit (61) in 30 pin of wireless communication module U3, 2 pin of SIM slot JS are connected with one end of the 17 resistance R17 and 4 pin of TVS pipe U4 respectively, the other end of the 17 resistance R17 is connected with one end of the 8th electric capacity C8, and common 33 pin connecting wireless communication module U3, 3 pin of SIM slot JS are connected with one end of the 18 resistance R18 and 3 pin of TVS pipe U4 respectively, the other end of the 18 resistance R18 is connected with one end of the 9th electric capacity C9, and common 32 pin connecting wireless communication module U3, 6 pin of SIM slot JS connect 34 pin of wireless communication module U3, 7 pin of SIM slot JS are connected with one end of the 19 resistance R19 and 6 pin of TVS pipe U4 respectively, the other end of the 19 resistance R19 is connected with one end of the 6th electric capacity C6, and common 31 pin connecting wireless communication module U3, the other end of the 6th electric capacity C6, the other end of the 7th electric capacity C7, the other end of the 8th electric capacity C8, the other end of the 9th electric capacity C9, 5 pin of SIM slot JS and the 2 pin common grounds of TVS pipe U4.
8. intelligent fire thing connection monitoring device according to claim 6, it is characterized in that described interface circuit (63) comprises the 5th interface J5, fuse F1, 6th diode D6 and voltage-stabiliser tube ZD, one end of described fuse F1 connects the positive pole of the 6th diode D6, the negative pole of the 6th diode D6, the negative pole of voltage-stabiliser tube ZD and 4 of the 5th interface J5, 6 pin meet the second dc source VCC jointly, 3 pin of the 5th interface J5 connect 16 pin of the wireless communication module U3 in described single chip microcomputer driving circuit (61), 1 of 5th interface J5, 2 pin connect described single chip control unit (1) respectively, the 5 pin ground connection of the 5th interface J5.
9. intelligent fire thing connection monitoring device according to claim 6, it is characterized in that described transmitting-receiving indicating circuit (64) comprises receive indicating circuit (641) and send indicating circuit (642), wherein, described reception indicating circuit (641) comprises the 20 resistance R20, 21 resistance R21 and the 3rd triode Q3, one end of the 20 described resistance R20 is connected with one end of the 21 resistance R21 and the base stage of the 3rd triode Q3 respectively, 1 pin of the wireless communication module U3 in the single chip microcomputer driving circuit (61) described in colelctor electrode connection of the 3rd triode Q3, another termination second dc source VCC of the 20 resistance R20, the other end of the 21 resistance R21 and the emitter stage common ground of the 3rd triode Q3, described transmission indicating circuit (642) comprises the 22 resistance R22, 23 resistance R23, second LED 2 and the 4th triode Q4, one end of the 22 described resistance R22 connects the positive pole of the second LED 2, the negative pole of the second LED 2 connects the colelctor electrode of the 4th triode Q4, the base stage of the 4th triode Q4 connects one end of the 23 resistance R23, the other end of the 23 resistance R23 connects 52 pin of wireless communication module U3, another termination second dc source VCC of the 22 resistance R22, the grounded emitter of the 4th triode Q4.
10. intelligent fire thing connection monitoring device according to claim 2, it is characterized in that described power circuit (2) also comprises filtering clean circuit (21), described filtering clean circuit (21) comprises the tenth electric capacity C10, 11 electric capacity C11, 12 electric capacity C12 and the 13 electric capacity C13, one end of the tenth described electric capacity C10, one end of 11 electric capacity C11, one end of 12 electric capacity C12 and one end of the 13 electric capacity C13 connect the second described dc source VCC jointly, the other end of the tenth described electric capacity C10, the other end of the 11 electric capacity C11, the other end of the 12 electric capacity C12 and the other end common ground of the 13 electric capacity C13.
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| CN105148445B (en) | 2018-07-13 |
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