CN208579808U - A kind of LORAWAN water leakage monitoring device - Google Patents
A kind of LORAWAN water leakage monitoring device Download PDFInfo
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- CN208579808U CN208579808U CN201821456063.8U CN201821456063U CN208579808U CN 208579808 U CN208579808 U CN 208579808U CN 201821456063 U CN201821456063 U CN 201821456063U CN 208579808 U CN208579808 U CN 208579808U
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Abstract
The utility model discloses a kind of LORAWAN water leakage monitoring devices, belong to internet of things field, including power supply unit, sensor unit, MCU unit and wireless communication unit, solves the technical issues of water leakage monitoring alarm based on LoRaWAN low-power consumption, the utility model uses false alarm prevention circuit design, greatly improve the accuracy of alarm, the method that the utility model combines linkage using water level sensor, microprocessor, LORAWAN low-consumption wireless communication module group, reduce power supply power consumption, reach power saving target, battery-powered time as long as five years more than；The utility model low in energy consumption, strong antijamming capability using LORAWAN low-consumption wireless communication module group, guarantees signal reliable transmission, at low cost, structure is simple, high reliablity.
Description
Technical field
The utility model belongs to internet of things field, in particular to a kind of LORAWAN water leakage monitoring device.
Background technique
Water leakage monitoring equipment can perceive discovery indoor water-leakage in time, for monitor heating tube leakage, running water pipe leak,
Roof leak etc. and alarm avoid losing.For under unmanned state, radio alarming seems particularly necessary, but at present
Water leakage monitoring equipment use radio networking alarming mode, substantially WIFI, bluetooth, the problem is that transmission range it is short, only
Have tens meters, it is necessary at home or the installation WIFI of office Bluetooth gateway, need to be electrified for a long time unlatching, using very not side
Just, once gateway power-off is closed, will cause warning message can not be sent to.If 4G wireless telecommunications are selected, the problem is that setting
Standby power consumption is big, needs using big battery and needs to be replaced frequently, and module and battery cost are all very high.
Utility model content
The purpose of the utility model is to provide a kind of LORAWAN water leakage monitoring devices, solve based on LoRaWAN low-power consumption
Water leakage monitoring alarm the technical issues of.
To achieve the above object, the utility model uses following technical scheme:
A kind of LORAWAN water leakage monitoring device, including power supply unit, sensor unit, MCU unit and wireless communication are single
Member,
Power supply unit includes power interface P3, LED light D1, resistance R10, capacitor C6, capacitor C7, zener diode
D2, power interface P3 connection external power supply, 2 feet output VCC power supply, 1 foot of power interface P3 export ground wire, LED light D1
Cathode connects ground wire, anode by resistance R10 connection VCC power supply, and the cathode of zener diode D2 connects VCC power supply, anode even
Ground line, capacitor C6 and capacitor C7 are that filter capacitor is in parallel with zener diode D2；
Sensor unit includes sensor interface P4, resistance R7, resistance R11, capacitor C8, resistance R12, triode Q2, electricity
R8, resistance R13, resistance R15, triode Q3, LED light D3 and the external leak of resistance R14, sensor interface P4 connection is hindered to pass
1 foot of sensor, sensor interface P4 passes through resistance R11 connecting triode Q2's by pull-up resistor R7 connection VCC power supply, 2 feet
Base stage, emitter connection ground wire, the collector of triode Q2 pass through resistance R8 connection VCC power supply, one end connection three of resistance R12
The base stage of pole pipe Q2, the other end connect ground wire, and capacitor C8 is in parallel with resistance R12, and 2 feet of sensor interface P4 also pass through resistance
The base stage of R13 connecting triode Q3, the base stage of one end connecting triode Q3 of resistance R15, the other end connect ground wire, triode Q3
Emitter connection ground wire, collector connection LED light D3 cathode, the anode of LED light D3 connected by resistance R14
VCC power supply；
MCU unit includes MCU chip U2 and its peripheral circuit, and MCU chip U2 is equipped with several I/O ports and a serial ports, three poles
The collector of pipe Q2 is also connected with the I/O port of a MCU；
Wireless communication unit includes LORAWAN wireless communication module U1 and its peripheral circuit, LORAWAN wireless communication module
The serial ports of the port the UART connection MCU chip U2 of U1.
Preferential, the model STC15W204S of the MCU chip U2；The model of LORAWAN wireless communication module U1
ZY-U-001。
Preferential, the MCU chip U2 and LORAWAN wireless communication module U1 pass through the VCC power supply power supply.
Preferential, the wireless communication unit further includes communication check interface P2, and 1 foot of communication check interface P2 connects institute
VCC power supply is stated, 1 foot, 3 feet and 5 feet of communication check interface P2 are separately connected the LORAWAN wireless communication module U1's
4 feet at the end SWCLK, the end SWDIO and the end RESET, communication check interface P2 connect ground wire.
A kind of LORAWAN water leakage monitoring device described in the utility model, solves the leak based on LoRaWAN low-power consumption
The technical issues of monitoring, alarming, the utility model use false alarm prevention circuit design, greatly improve the accuracy of alarm, this reality
With the novel method for combining linkage using water level sensor, microprocessor, LORAWAN low-consumption wireless communication module group, electricity is reduced
Source power consumption, reaches power saving target, battery-powered time as long as five years more than；The utility model is logical using LORAWAN low-consumption wireless
It interrogates that mould group is low in energy consumption, strong antijamming capability, guarantees signal reliable transmission, at low cost, structure is simple, high reliablity.
Detailed description of the invention
Fig. 1 is the circuit diagram of the power supply unit of the utility model；
Fig. 2 is the circuit diagram of the sensor unit of the utility model；
Fig. 3 is the circuit diagram of the MCU unit of the utility model；
Fig. 4 is the circuit diagram of the wireless communication unit of the utility model.
Specific embodiment
A kind of LORAWAN water leakage monitoring device as Figure 1-Figure 4, including power supply unit, sensor unit, MCU are mono-
Member and wireless communication unit,
Power supply unit includes power interface P3, LED light D1, resistance R10, capacitor C6, capacitor C7, zener diode
D2, power interface P3 connection external power supply, 2 feet output VCC power supply, 1 foot of power interface P3 export ground wire, LED light D1
Cathode connects ground wire, anode by resistance R10 connection VCC power supply, and the cathode of zener diode D2 connects VCC power supply, anode even
Ground line, capacitor C6 and capacitor C7 are that filter capacitor is in parallel with zener diode D2；
The utility model uses external power supply mode, provides access port of the power interface P3 as external power supply, greatly
It reduces costs, and improves relevance grade, improve the applicable flexibility in scene, the utility model passes through D2 pairs of zener diode
External power supply carries out further pressure stabilizing, ensure that the stability of power supply, and the utility model is referred to using LED light D1 as power supply
Show lamp, intuitively shows the electric power thus supplied of external power supply.
Sensor unit includes sensor interface P4, resistance R7, resistance R11, capacitor C8, resistance R12, triode Q2, electricity
R8, resistance R13, resistance R15, triode Q3, LED light D3 and the external leak of resistance R14, sensor interface P4 connection is hindered to pass
1 foot of sensor, sensor interface P4 passes through resistance R11 connecting triode Q2's by pull-up resistor R7 connection VCC power supply, 2 feet
Base stage, emitter connection ground wire, the collector of triode Q2 pass through resistance R8 connection VCC power supply, one end connection three of resistance R12
The base stage of pole pipe Q2, the other end connect ground wire, and capacitor C8 is in parallel with resistance R12, and 2 feet of sensor interface P4 also pass through resistance
The base stage of R13 connecting triode Q3, the base stage of one end connecting triode Q3 of resistance R15, the other end connect ground wire, triode Q3
Emitter connection ground wire, collector connection LED light D3 cathode, the anode of LED light D3 connected by resistance R14
VCC power supply；
External leakage sensor uses the leakage sensor of short-circuit alarming form, the output end connection of external leakage sensor
At sensor interface P4, when there is the generation of water logging event, external leakage sensor short circuit, VCC power supply passes through resistance R7 at this time
With resistance R11 load in the base stage of triode Q2, triode Q2 conducting, to make MCU chip U2 in the current collection of triode Q2
Collected voltage value is 0 at pole, and MCU chip U2 is used as water logging alarm signal according to this；
Capacitor C8 is as false alarm prevention device, if there is the wrong report situation that leakage sensor occurs due to poor contact,
Capacitor C8 will play the role of delayed alarm, that is, alarm signal could act on the base with triode Q2 after capacitor C8 charges
On extremely, alarm accuracy is greatly improved.
When there is the generation of water logging event, external leakage sensor short circuit, VCC power supply can also pass through resistance R7 and resistance at this time
R13 is acted in the base stage of triode Q3, and triode Q3 conducting so that LED light D3 be made to be always on, plays live indicator light
The beneficial effect of alarm.
MCU unit includes MCU chip U2 and its peripheral circuit, and MCU chip U2 is equipped with several I/O ports and a serial ports, three poles
The collector of pipe Q2 is also connected with the I/O port of a MCU；
Wireless communication unit includes LORAWAN wireless communication module U1 and its peripheral circuit, LORAWAN wireless communication module
The serial ports of the port the UART connection MCU chip U2 of U1.
As shown in Figure 2 and Figure 4, the PB1 foot of the P15 foot connection LORAWAN wireless communication module U1 of MCU chip U2, MCU core
The TXD foot and RXD foot of piece U2 is separately connected the UART1_TX foot and UART1_RX foot for meeting LORAWAN wireless communication module U1.
When there is the generation of water logging event, after MCU chip U2 obtains water logging alarm signal, wirelessly communicated by LORAWAN
Module U1 sends alarm signal to external acquisition terminal or server.
Preferably, the utility model real-time monitoring SEA LEVEL VARIATION, usually MCU chip U2 and LORAWAN wireless communication module
U1 Low-power-consumptiodormancy dormancy saves electric power；When water logging event occur when, alert data is formed by MCU chip U2, by LORAWAN without
Result is issued network by line communication module U1, and after sending alarm signal, MCU chip U2 and LORAWAN wireless communication module U1 turns
Enter dormant state.
Preferential, the external power supply that the utility model uses is lithium battery.
The model STC15W204S of the MCU chip U2；The model ZY-U- of LORAWAN wireless communication module U1
001。
The MCU chip U2 and LORAWAN wireless communication module U1 pass through the VCC power supply power supply.
The wireless communication unit further includes communication check interface P2, and 1 foot of communication check interface P2 connects the VCC electricity
Source, 1 foot, 3 feet and 5 feet of communication check interface P2 be separately connected the LORAWAN wireless communication module U1 the end SWCLK,
4 feet at the end SWDIO and the end RESET, communication check interface P2 connect ground wire.
A kind of LORAWAN water leakage monitoring device described in the utility model, solves the leak based on LoRaWAN low-power consumption
The technical issues of monitoring, alarming, the utility model use false alarm prevention circuit design, greatly improve the accuracy of alarm, this reality
With the novel method for combining linkage using water level sensor, microprocessor, LORAWAN low-consumption wireless communication module group, electricity is reduced
Source power consumption, reaches power saving target, battery-powered time as long as five years more than；The utility model is logical using LORAWAN low-consumption wireless
It interrogates that mould group is low in energy consumption, strong antijamming capability, guarantees signal reliable transmission, at low cost, structure is simple, high reliablity.
Claims (4)
1. a kind of LORAWAN water leakage monitoring device, it is characterised in that: including power supply unit, sensor unit, MCU unit and nothing
Line communication unit,
Power supply unit includes power interface P3, LED light D1, resistance R10, capacitor C6, capacitor C7, zener diode D2, electricity
Source interface P3 connection external power supply, 2 feet output VCC power supply, 1 foot of power interface P3 export ground wire, and LED light D1 cathode connects
By resistance R10 connection VCC power supply, the cathode of zener diode D2 connects VCC power supply, anode connection ground wire for ground line, anode,
Capacitor C6 and capacitor C7 is that filter capacitor is in parallel with zener diode D2；
Sensor unit include sensor interface P4, resistance R7, resistance R11, capacitor C8, resistance R12, triode Q2, resistance R8,
Resistance R13, resistance R15, triode Q3, LED light D3 and resistance R14, the external leakage sensor of sensor interface P4 connection,
1 foot of sensor interface P4 passes through the base stage of resistance R11 connecting triode Q2 by pull-up resistor R7 connection VCC power supply, 2 feet,
Emitter connection ground wire, the collector of triode Q2 passes through resistance R8 connection VCC power supply, one end connecting triode of resistance R12
The base stage of Q2, the other end connect ground wire, and capacitor C8 is in parallel with resistance R12, and 2 feet of sensor interface P4 also pass through resistance R13 and connect
The base stage of triode Q3 is connect, the base stage of one end connecting triode Q3 of resistance R15, the other end connect ground wire, the hair of triode Q3
Emitter-base bandgap grading connects the cathode of ground wire, collector connection LED light D3, and the anode of LED light D3 passes through resistance R14 connection VCC
Power supply；
MCU unit includes MCU chip U2 and its peripheral circuit, and MCU chip U2 is equipped with several I/O ports and a serial ports, triode Q2
Collector be also connected with the I/O port of a MCU；
Wireless communication unit includes LORAWAN wireless communication module U1 and its peripheral circuit, LORAWAN wireless communication module U1's
The serial ports of the port UART connection MCU chip U2.
2. a kind of LORAWAN water leakage monitoring device as described in claim 1, it is characterised in that: the model of the MCU chip U2
For STC15W204S；The model ZY-U-001 of LORAWAN wireless communication module U1.
3. a kind of LORAWAN water leakage monitoring device as described in claim 1, it is characterised in that: the MCU chip U2 and
LORAWAN wireless communication module U1 passes through the VCC power supply power supply.
4. a kind of LORAWAN water leakage monitoring device as described in claim 1, it is characterised in that: the wireless communication unit is also
Including communication check interface P2,1 foot of communication check interface P2 connects the VCC power supply, 1 foot, 3 feet of communication check interface P2
The end SWCLK, the end SWDIO and the end RESET of the LORAWAN wireless communication module U1, communication check interface are separately connected with 5 feet
4 feet of P2 connect ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456063.8U CN208579808U (en) | 2018-09-06 | 2018-09-06 | A kind of LORAWAN water leakage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456063.8U CN208579808U (en) | 2018-09-06 | 2018-09-06 | A kind of LORAWAN water leakage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579808U true CN208579808U (en) | 2019-03-05 |
Family
ID=65512638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821456063.8U Active CN208579808U (en) | 2018-09-06 | 2018-09-06 | A kind of LORAWAN water leakage monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156843A (en) * | 2021-01-25 | 2021-07-23 | 济南明湖建筑节能技术开发有限公司 | Water supply system collector and remote control system |
| CN116668982A (en) * | 2023-05-17 | 2023-08-29 | 杭州地铁运营有限公司 | A monitoring and control system for subway station equipment based on LoRA wireless communication technology |
-
2018
- 2018-09-06 CN CN201821456063.8U patent/CN208579808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156843A (en) * | 2021-01-25 | 2021-07-23 | 济南明湖建筑节能技术开发有限公司 | Water supply system collector and remote control system |
| CN116668982A (en) * | 2023-05-17 | 2023-08-29 | 杭州地铁运营有限公司 | A monitoring and control system for subway station equipment based on LoRA wireless communication technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230328 Address after: Building 6, district 10, 188 South Fourth Ring Road West, Fengtai District, Beijing 100071 Patentee after: FULLSEE TECHNOLOGY Co.,Ltd. Address before: 100048 1801A, 16 floor, 7 building, 9 South Road, Haidian District, Beijing. Patentee before: BEIJING BEIXIN ZHIYUN TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |