CN113110139A - Rainwater pipe water outlet rainwater and sewage mixed drainage monitoring device - Google Patents
Rainwater pipe water outlet rainwater and sewage mixed drainage monitoring device Download PDFInfo
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- CN113110139A CN113110139A CN202110326174.7A CN202110326174A CN113110139A CN 113110139 A CN113110139 A CN 113110139A CN 202110326174 A CN202110326174 A CN 202110326174A CN 113110139 A CN113110139 A CN 113110139A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000012806 monitoring device Methods 0.000 title claims abstract description 31
- 239000010865 sewage Substances 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- MEGPURSNXMUDAE-RLMOJYMMSA-N scopoline Chemical compound C([C@H](O1)C2)[C@@H]3N(C)[C@H]2[C@H]1[C@H]3O MEGPURSNXMUDAE-RLMOJYMMSA-N 0.000 description 3
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 101000983338 Solanum commersonii Osmotin-like protein OSML15 Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention provides a rainwater and sewage mixed drainage monitoring device at a rainwater pipe water outlet.A weather detector is provided with a detection electrode and a first transmission element, wherein the detection electrode is used for detecting whether the weather is rainy or not and transmitting a signal to the first transmission element; the monitor is provided with a singlechip, a drainage detection element, a water quality detection element and a second transmission element; the single chip microcomputer is wirelessly connected with the first transmission element, and the first transmission element is used for wirelessly transmitting the signal detected by the detection electrode to the single chip microcomputer; the drainage detection element is used for detecting whether the rainwater pipe drains or not and transmitting a signal of whether the rainwater pipe drains or not to the single chip microcomputer; the water quality detection element is used for detecting the turbidity of the water quality and transmitting a turbidity signal to the singlechip; the single chip microcomputer is connected with the second transmission element, the single chip microcomputer is used for carrying out data processing, obtaining a processing result and transmitting the processing result to the second transmission element, and the second transmission element is used for uploading the processing result to a cloud end. The invention can be used for monitoring the mixed drainage of rain and sewage.
Description
Technical Field
The invention belongs to the field of rain and sewage monitoring devices, and particularly relates to a rain and sewage mixed drainage monitoring device at a water outlet of a rainwater pipe.
Background
The rainwater pipe is a special drainage pipeline for urban rainwater. That is, the pipeline should not discharge water to the river channel in non-rainy days, and the urban rainwater pipe can discharge water only in rainy days. Therefore, if the rain is not rainy but the pipeline is drained, the rain and sewage mixed drainage is suspected. If the mixed typesetting source can be monitored, relevant departments can carry out targeted investigation and find the source of the mixed typesetting. Therefore, it is urgently needed to design a rainwater and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a rainwater and sewage mixed drainage monitoring device for a rainwater pipe water outlet.
The purpose of the invention can be realized by the following technical scheme: a rainwater and sewage mixed drainage monitoring device for a rainwater pipe water outlet comprises a weather detector and a monitor which are arranged in a split mode, wherein the weather detector is provided with a detection electrode and a first transmission element, the detection electrode is connected with the first transmission element, and the detection electrode is used for detecting whether the weather is rainy or not and transmitting a signal to the first transmission element;
the monitor is provided with a singlechip, a drainage detection element, a water quality detection element and a second transmission element;
the single chip microcomputer is wirelessly connected with a first transmission element, and the first transmission element is used for wirelessly transmitting the signal detected by the detection electrode to the single chip microcomputer;
the drainage detection element is used for detecting whether the rainwater pipe drains or not and transmitting a signal of whether the rainwater pipe drains or not to the single chip microcomputer;
the water quality detection element is connected with the single chip microcomputer and used for detecting the turbidity of the water quality and transmitting a turbidity signal to the single chip microcomputer;
the single chip microcomputer is connected with the second transmission element, the single chip microcomputer is used for processing data, obtaining a processing result and transmitting the processing result to the second transmission element, and the second transmission element is used for uploading the processing result to a cloud end.
The working principle of the invention is as follows: the weather detector and the monitor are of a split structure, the weather detector is mounted at the upper side of the monitoring device without a shielding position, the monitoring device is mounted at a water outlet of a rainwater pipe, the detection electrode is used for detecting whether rain falls or not, and transmits a signal to the first transmission element, and the first transmission element transmits the signal detected by the detection electrode to the single chip microcomputer in the monitoring device in a wireless mode.
The drainage detection element is used for detecting whether the rainwater pipe drains or not, and transmitting a signal of whether the rainwater pipe drains or not to the single chip microcomputer, at the moment, the single chip microcomputer judges whether the rain is rainy or not according to the signal detected by the detection electrode, if the rain is not rainy, the water quality detection element is started, and if the rain is rainy, the water quality detection element is not started. The water quality detection element is used for detecting the turbidity of the water quality, transmitting the turbidity signal to the single chip microcomputer, and finally processing all data by the single chip microcomputer to obtain a processing result and uploading the processing result to the cloud end through the second transmission element. Subsequent workers can call cloud data to visually know the mixed drainage condition, and the method can be used for rain and sewage mixed drainage monitoring, and is convenient for subsequent related departments to carry out targeted investigation and find the source of mixed drainage.
In the above rainwater and sewage mixed drainage monitoring device at the outlet of the rainwater pipe, the drainage detection element comprises a connector, a first mos pipe, a second mos pipe and a trigger pulse generator
The connector is used for connecting the Hall sensor,
when the rainwater pipe drains, the first mos pipe is opened, and a drainage pulse signal is sent to the single chip microcomputer through the trigger pulse generator;
and when the rainwater pipe does not drain, the second mos pipe is opened, and a pulse signal without drainage is sent to the singlechip.
In the rainwater and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe, the water quality detection element comprises a first head connector, and the first head connector is used for connecting the water quality detection sensor.
In the above rainwater and sewage mixed drainage monitoring device at the outlet of the rainwater pipe, the first transmission element adopts a lora communication circuit.
In the rain and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe, the second transmission element adopts an NB-IOT communication circuit.
In the rainwater pipe water outlet rainwater and sewage mixed drainage monitoring device, the monitor is further provided with a power supply, and the power supply is used for supplying power.
In the rainwater and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe, the single chip microcomputer is further connected with a clock element and a crystal oscillator element.
In foretell rainwater pipe delivery port rain and sewage mixes row monitoring devices, detection electrode includes positive plate and negative pole piece, the positive plate is provided with first electric piece, the negative pole piece is provided with the second electric piece, first electric piece and the crisscross setting of second electric piece.
In the rainwater and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe, the positive plate and the negative plate are made of stainless steel.
In the rainwater and sewage mixed drainage monitoring device at the water outlet of the rainwater pipe, the distance between the adjacent positive plate and the negative plate is 1 mm.
Compared with the prior art, the rain and sewage mixed drainage monitoring system can be used for rain and sewage mixed drainage monitoring, and is convenient for subsequent related departments to carry out targeted investigation to find out the source of mixed drainage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a second transmission element circuit of the single chip microcomputer of the present invention;
FIG. 3 is a schematic diagram of the clock component circuit of the present invention;
FIG. 4 is a schematic diagram of a crystal oscillator element circuit of the present invention;
FIG. 5 is a schematic diagram of a circuit for programming elements of the present invention;
FIG. 6 is a schematic diagram of a first transmission element circuit of the present invention;
FIG. 7 is a schematic diagram of a drainage detection element circuit of the present invention;
FIG. 8 is a schematic diagram of a water quality detecting element circuit of the present invention;
FIG. 9 is a schematic diagram of the power supply circuit of the present invention;
FIG. 10 is a schematic view of the weather detector of the present invention;
FIG. 11 is a schematic view of the power supply apparatus and the first transmission element of the present invention
In the figure, 01, a weather detector; 02. a monitor; 03. a detection electrode; 04. a first transmission element; 05. a single chip microcomputer; 06. a drainage detection element; 07. a water quality detection element; 08. a second transmission element; 09. a connector; 010. a first mos tube; 011. a second mos tube; 012. a trigger pulse generator; 013. a first header connector; 014. a clock element; 015. a crystal oscillation element; 016. a positive plate; 017. a negative plate; 018. a first electrical sheet; 019. a second electrical sheet; 020. a housing; 021. a power supply device; 022. a groove; 023. a screw; 024. a programming element; 025. a power source.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 11, a rainwater and sewage mixed drainage monitoring device at a rainwater pipe outlet comprises a weather detector 01 and a monitor 02 which are separately arranged, wherein the weather detector 01 is provided with a detection electrode 03 and a first transmission element 04, the detection electrode 03 is connected with the first transmission element 04, and the detection electrode 03 is used for detecting whether the weather is rainy or not and transmitting a signal to the first transmission element 04; the monitor 02 is provided with a singlechip 05, a drainage detection element 06, a water quality detection element 07 and a second transmission element 08; the single chip microcomputer 05 is in wireless connection with the first transmission element 04, and the first transmission element 04 is used for wirelessly transmitting the signal detected by the detection electrode 03 to the single chip microcomputer 05; the drainage detection element 06 is used for detecting whether the rainwater pipe drains water or not and transmitting a signal of whether the rainwater pipe drains water or not to the single chip microcomputer 05; the water quality detection element 07 is connected with the singlechip 05, and the water quality detection element 07 is used for detecting the turbidity of the water quality and transmitting a turbidity signal to the singlechip 05; the single chip microcomputer 05 is connected with the second transmission element 08, the single chip microcomputer 05 is used for processing data, obtaining a processing result and transmitting the processing result to the second transmission element 08, and the second transmission element 08 is used for uploading the processing result to a cloud.
The weather detector 01 comprises a casing 020, a detection electrode 03 is arranged on the outer side of the casing 020, and a first transmission element 04 is arranged in the casing 020.
If the weather detector 01 and the monitor 02 are integrated, the weather detector 01 may not be installed at a proper position at the outlet of the rain pipe, which may cause difficulty in installation. Therefore, the weather detector 01 and the monitor 02 are designed to be of a split type, the monitor 02 is installed at the water outlet of a rainwater pipe, the weather detector 01 is installed outdoors, the upper part of the weather detector is not shielded, and the weather detector can be installed within a range of 100 meters near the monitor 02. Thereby facilitating installation.
When rain falls onto the detection electrode 03, the resistance between the electrodes changes. The first transmission element 04 is used for communication with the monitor 02.
When raining, the first transmission element 04 sends a signal of raining to the single chip microcomputer 05 of the monitor 02, the single chip microcomputer 05 judges to obtain information of raining, when raining stops, the first transmission element 04 sends a signal of raining stop to the single chip microcomputer 05, and the single chip microcomputer 05 judges to obtain information of raining stop.
The drainage detection element 06 is used for detecting whether the rainwater pipe drains water, if the rainwater pipe drains water, whether the weather rains is judged according to a signal transmitted to the single chip microcomputer 05 by the first transmission element 04, if the weather rains, the water quality detection element 07 is not started, and if the weather does not rain, the water quality detection element 07 is started to perform water quality turbidity detection.
In further detail, the detection electrode 03 comprises a positive electrode piece 016 and a negative electrode piece 017, the positive electrode piece 016 is provided with a plurality of first electric pieces 018, the negative electrode piece 017 is provided with a plurality of second electric pieces 019, and the first electric pieces 018 and the second electric pieces 019 are arranged in a staggered mode. When rainwater drops on the detection electrode 03, the resistance between the positive electrode piece 016 and the negative electrode piece 017 is changed, and a signal is sent. First electric sheet 018 and second electric sheet 019 are crisscross the setting, and the distance between adjacent first electric sheet 018 and the second electric sheet 019 is 1 mm.
In more detail, the positive electrode tab 016 and the negative electrode tab 017 are made of 316 stainless steel. Since the weather detector 01 needs to be exposed to the natural environment for a long time, the positive electrode tab 016 and the negative electrode tab 017 made of stainless steel are not easily oxidized and rusted.
To elaborate further, the housing 020 is provided with a groove 022 for accommodating the detection electrode 03. The electrode slice is arranged in the groove 022, the electrode slice is prevented from protruding relative to the shell 020, and the overall size of the weather detector 01 is favorably reduced.
To be more specific, the positive electrode piece 016 and the negative electrode piece 017 are both installed in the groove 022 through the screw 023. The screws 023 are simple and convenient to install.
In more detail, the housing 020 has a disk shape. The height of the shell 020 is 3cm, and the cross section of the shell 020 is a circle with the diameter of 10 cm. Small volume and is beneficial to installation.
To be more specific, a power supply device 021 is further disposed in the casing 020. The power supply 021 is a lithium battery with 2700 mAH. The power supply device 021 is used for supplying power. So that the first transmission element 04 and the detection electrode 03 are energized.
The single chip microcomputer 05 is responsible for sampling and processing two paths of input information of the drainage detection element 06 and the water quality detection element 07, acquiring weather conditions through lora communication, and uploading data through NB-iot communication under the condition that an alarm is needed.
The single chip microcomputer 05 adopts an STM series single chip microcomputer 05, and the model is STM32103c8t 6. The single chip 05 has 48 pins, which are as follows:
pin 1: VBAT, pin 2: PC13, pin 3: PC14, pin 4: PC15, pin 5: OSCIN, pin 6: OSCOUT, pin 7: NRST, pin 8: VSSA, pin 9: VDDA, pin 10: PA0, pin 11: PA1, pin 12: PA2, pin 13: PA3, pin 14: PA4, pin 15: PA5, pin 16: PA6, pin 17: PA7, pin 18: PB0, pin 19: PB1, pin 20: PB2/BOOT1, pin 21: PB10, pin 22: PB11, pin 23: VSS, pin 24: VDD, pin 25: PB12, pin 26: PB13, pin 27: PB14, pin 28: PB15, pin 29: PA8, pin 30: PA9, pin 31: PA10, pin 32: PA11, pin 33: PA12, pin 34: SWIO, pin 35: VSS, pin 36: VDD, 37 th pin: SWCLK, pin 38: PA15, pin 39: PB3, pin 40: PB4, pin 41: PB5, pin 42: PB6, pin 43: PB7, pin 44: BOOT0, pin 45: PB8, pin 46: PB9, pin 47: VSS, pin 48: VDD.
The 30 th pin PA9 of the single chip microcomputer 05 and the 31 st pin PA10 of the single chip microcomputer 05 are connected with the second transmission element 08 as output ends.
The second transmission element 08 adopts an NB-IOT communication circuit, which comprises an NB-IOT chip, a MOS transistor (noted as U5MOS) and three resistors (noted as R4, R5 and R11).
The NB-IOT chip has 42 pins, which are as follows:
pin 1: VCC, pin 2: VCC, pin 3: GND, pin 4: GND, pin 5: WKUP, pin 6: NC, pin 7: i2SDA, pin 8: i2SCL, pin 9: RESET, pin 10: NC, pin 11: NC, pin 12: NC, pin 13: NC, 14 th pin: WORK, pin 15: NC, 16 th pin: NC, pin 17: GND, 18 th pin: ADC, pin 19: NC, pin 20: NC, pin 21: NC, pin 22: PB11, pin 23: VSS, pin 24: VDD, pin 25: VSIM, pin 26: SINCLK, pin 27: SIMDAT, pin 28: SIMRST, pin 29: VPAD, pin 30: NC, pin 31: NC, pin 32: NC, 33 rd pin: UART1, pin 34: NC, pin 35: UART0-TX, pin 36: UART0-RX, pin 37: NC, pin 38: NC, pin 39: GND, pin 40: GND, 41 st pin: RFIO, pin 42: and GND.
Wherein, the 35 th pin UART0-TX of the NB-IOT chip is connected with the 31 th pin PA10 of the singlechip 05, the 36 th pin UART0-RX of the NB-IOT chip is connected with the 30 th pin PA9 of the singlechip 05,
one end of the R4 is connected to a connecting line between the 35 th pin of the NB-IOT chip and the 31 th pin of the single chip microcomputer 05, the other end of the R4 is connected with one end of the R5, and the other end of the R5 is connected to a connecting line between the 36 th pin of the NB-IOT chip and the 30 th pin of the single chip microcomputer 05. And VCC is also connected between R4 and R5 through a connecting wire.
The D pole of the U5MOS is connected with the 1 st pin of the NB-IOT chip and the 2 nd pin of the NB-IOT chip.
The S pole of the U5MOS is connected with VCC.
One end of R11 is connected with the G pole of U5MOS, and the other end of R11 is grounded. The G pole of the U5MOS is connected with the R11 through a wireless connection computer port (PC 15).
The NB-iot communication has the characteristics of low power consumption, wide coverage, strong link and the like, and is very suitable for being used in terminal equipment of the Internet of things.
The 42 th pin PB6 and the 43 th pin PB7 of the single chip microcomputer 05 are connected with a clock element 014, and the clock element 014 comprises a clock chip (model: PCF8563), a crystal oscillator element 015 (marked as Y1 XTAL), three resistors (marked as R2, R6 and R7), a Diode (marked as D2 Diode) and a capacitor (marked as C2 Cap100 pF).
The clock chip has 8 pins, which are as follows:
pin 1: OSCI, pin 2: OSCO, pin 3: INT, pin 4: VSS, pin 5: SDA, pin 6: SCL, pin 7: CLKOUT, pin 8: VDD.
One end of the R2 is connected with the third pin of the clock chip, and the other end of the R2 is grounded.
The 1 st terminal of Y1 XTAL is connected to the 2 nd pin of the clock chip, and the 2 nd terminal of Y1 XTAL is connected to the 1 st pin of the clock chip.
One end of the C2 Cap100pF is connected with the 4 th pin of the clock chip, and one end of the C2 Cap100pF is connected with the 4 th pin of the clock chip through a wire to be grounded.
The other end of the C2 Cap100pF is connected with the 8 th pin of the clock chip, the other end of the C2 Cap100pF is connected with the 8 th pin of the clock chip through the connection and the negative electrode of the D2 Diode, and the positive electrode of the D2 Diode is connected with VCC.
One end of the R7 is connected with the 6 th pin of the clock chip, and the 42 th pin PB6 of the singlechip 05 is connected between one end of the R7 and the 6 th pin of the clock chip through a connecting wire.
The other end of R7 is connected with one end of R6, and VCC is connected between the other end of R7 and one end of R6 through a connecting wire.
The other end of the R6 is connected with the 5 th pin of the clock chip, and the other end of the R6 is connected with the 5 th pin of the clock chip through a connecting wire to be connected with the 43 th pin PB7 of the singlechip 05.
The clock element 014 of the present embodiment is an independent external clock element 014, which can reduce the static power consumption of the whole device well, and at this time, the clock element 014 can provide a heartbeat packet clock and an interrupt clock required in other programs.
The programming element 24 is connected to the 34 th pin SWIO of the singlechip 05 and the 37 th pin SWCLK of the singlechip 05, and comprises an MHDR1X4 connector and a capacitor (marked as C7 Cap0.1uF).
The MHDR1X4 connector is connected with the programmer so as to program the singlechip 05.
The 4 th pin of the MHDR1X4 connector is connected with the 37 th pin SWCLK of the singlechip 05, and the 3 rd pin of the MHDR1X4 connector is connected with the 34 th pin SWIO of the singlechip 05.
One end of C7 Cap0.1uF is connected with the 2 nd pin of MHDR1X4 connector, and one end of C7 Cap0.1uF and the 2 nd pin of MHDR1X4 connector are connected with the ground through a connecting wire.
The other end of C7 Cap0.1uF is connected with the 1 st pin of MHDR1X4 connector, and the other end of C7 Cap0.1uF is connected with the 1 st pin of MHDR1X4 connector through a wire to form a voltage connection.
The 5 th pin OSCIN and the 6 th pin OSCOUT of the single chip 05 are connected to the crystal oscillator element 015, and the crystal oscillator element 015 includes a crystal oscillator element 015 (denoted as Y2 XTAL) and two capacitors (denoted as C6Cap20pF and C8 Cap20pF, respectively).
One end of the C6Cap20pF is connected with the 2 nd end of the Y2 XTAL, and one end of the C6Cap20pF is connected with the 2 nd end of the Y2 XTAL through a connecting wire and the 5 th pin OSCIN of the singlechip 05.
The other end of the C6Cap20pF is connected with one end of the C8 Cap20pF, and the other end of the C6Cap20pF is connected with one end of the C8 Cap20pF through a connecting wire to be grounded.
The other end of the C8 Cap20pF is connected with the 1 st end of the Y2 XTAL, and the other end of the C8 Cap20pF is connected with the 1 st end of the Y2 XTAL through a connecting wire and the 6 th pin OSCOUT of the singlechip 05.
The detector is provided with a power supply, and a circuit of the power supply comprises a head connector 09 (marked as U4head 2) and a capacitor (marked as C3 Cap0.1uF).
The U4header2 is used for an external power supply, one end of the C3 Cap0.1uF is connected with the 2 nd pin of the U4header2, and VCC is output between one end of the C3 Cap0.1uF and the 2 nd pin of the U4header2 through a connecting wire.
The other end of the C3 Cap0.1uF is connected with the 1 st pin of the U4header2, and the other end of the C3 Cap0.1uF is connected with the 1 st pin of the U4header2 through a connecting wire to be grounded.
The singlechip 05 is in wireless connection with a first transmission element 04, the first transmission element 04 adopts a lora communication circuit and comprises a lora chip, a MOS tube (recorded as U1MOS) and five resistors (recorded as R6, R7, R8, R10 and R11).
The lora chip has 18 pins, pin 1: m0, pin 2: m1, pin 3: RXD, pin 4: TXD, pin 5: AUX, pin 6: VCC, pin 7: GND; pins 15-17: GND, 18 th pin: ANT.
The S pole of the U1MOS is grounded, one end of the R7 is connected with the 1 st pin of the lora chip, and the D pole of the U1MOS is connected between one end of the R7 and the 1 st pin of the lora chip through a connecting wire. The other end of R7 is connected with a 2700mAH lithium battery.
One end of R6 is connected with the G utmost point of U1MOS, and between the G utmost point of one end of R6 and the U1MOS and 27 th pin wireless connection of singlechip 05. The other end of R6 is grounded.
One end of R8 is connected with the 2 nd pin of lora chip, and the other end of R8 is grounded.
One end of the R10 is connected with the 3 rd pin of the lora chip, and the other end of the R10 is wirelessly connected with the 3 rd pin of the lora chip and the 30 th pin PA9 of the singlechip 05. The other end of R10 is connected with a 2700mAH lithium battery.
One end of the R11 is connected with a lithium battery of 2700mAH, the other end of the R11 is connected with the 4 th pin of the lora chip, and the other end of the R11 is wirelessly connected with the 4 th pin of the lora chip through the 31 st pin PA10 of the singlechip 05.
lora communication circuit: the function of this part of the circuit is to communicate the monitor 02 with the weather detector 01 to know whether it is raining. If the weather is rainy and drainage exists, the water quality detection element 07 is not started; if the weather is not rainy but there is drainage, the water quality detection element 07 is activated. The circuit is on line in real time, and the lora communication mode has good low power consumption characteristics. The lora communication circuit can achieve power consumption of less than 10uA in a standby state.
The singlechip 05 is also connected with a water quality detection element 07 which comprises a voltage comparator (with the model of LM39X), a first header connector 013 (with the model of P2 header2) and four resistors (with the model of R81, R15, R111 and R25).
The voltage comparator has 8 pins, which are as follows:
pin 1: OutputA, pin 2: InputSA-, Pin 3: InputsA +, pin 4: GND, pin 5: InputsB +, pin 6: InputsB-, pin 7: OutputB, pin 8: VCC.
The P2 head 2 is used for connecting a water quality detection sensor, a1 st pin of the P2 head 2 is connected with VCC, a2 nd pin of the P2 head 2 is connected with a3 rd pin of a voltage comparator, the 2 nd pin of the P2 head 2 and the 3 rd pin of the voltage comparator are further connected with one ends of a 14 th pin PA4 and an R15 of the singlechip 05 through connecting wires, and the other end of the R15 is grounded.
One end of the R111 is connected with the 1 st pin of the voltage comparator, and the 16 th pin PA6 of the singlechip 05 is also connected between the one end of the R111 and the 1 st pin of the voltage comparator through a connecting wire. The other end of R111 is connected to one end of R25, and VCC is connected between the other end of R111 and one end of R25. The other end of the R25 is connected with one end of the R81, and the other end of the R25 and one end of the R81 are connected with the 2 nd pin of the voltage comparator through a connecting wire, and the other end of the R81 is grounded.
In this embodiment, the water quality sensor comprehensively determines the turbidity of water by using the optical principle and the light transmittance and the refractive index of water.
The single chip microcomputer 05 is further connected with a drainage detection element 06, and the drainage detection element 06 comprises a connector 09 (recorded as U9), a first MOS tube 010 (recorded as U7MOS), a trigger pulse generator 012 (recorded as U8 a04606), a second resistor (recorded as R12), a third resistor (recorded as R15), a fourth resistor (recorded as R10), a first capacitor (recorded as C5 Cap22uF), a second capacitor (recorded as C4 Cap22uF), a second MOS tube 011 (recorded as U2MOS), a third MOS tube (recorded as A1MOS), a fourth MOS tube (recorded as A2MOS), a fifth resistor (recorded as R9), a sixth resistor (recorded as R8), a7 th resistor (recorded as R3), and a third capacitor (recorded as C1 Cap22 uF).
The U9 is used for connecting the Hall sensor, and the 3 rd pin of U9 header connects VCC, and the 2 nd pin of U9 header is ground, and the 1 st pin of U9 header connects the G utmost point of U7 MOS. The S pole of the U7MOS is connected with VCC, and a first resistor (noted as R14) is connected in parallel between the G pole of the U7MOS and the S pole of the U7 MOS. The D pole of the U7MOS is connected with a first diode (marked as D3 diode).
R10 and C4 Cap22uF are connected in parallel to form a parallel circuit.
One end of R12 is connected to the negative electrode of D3 diode, and the other end of R12 is grounded. One end of the C5 Cap22uF is connected to the negative electrode of the D3 diode, the other end of the C5 Cap22uF is connected to the 2 nd pin G2 of the U8 a04606, one end of a parallel circuit of the R10 and the C4 Cap22uF is connected between the other end of the C5 Cap22uF and the 2 nd pin of the U8 a04606, and the other end of the parallel circuit of the R10 and the C4 Cap22uF is connected to the 1 st pin S2 of the trigger pulse generator 012.
The 3 rd pin S1 of voltage comparator connects the VCC, connect the one end of R15 through the line between the 3 rd pin of voltage comparator and the VCC, the 7 th pin and the 8 th pin of voltage comparator are connected to the other end of R15, and connect the 4 th pin of voltage comparator through the line between the 7 th pin and the 8 th pin of R15 and voltage comparator, the 5 th-8 th pin of voltage comparator all connects the positive pole of the second diode (note as D5 diode), the negative pole of D5 diode and singlechip 05 are connected.
When the Hall sensor senses that the rainwater pipe starts to drain, the first MOS pipe 010 (marked as U7MOS) is started as a draining electronic switch, the negative electrode of the D5 diode is connected with the single chip microcomputer 05, and the single chip microcomputer 05 can receive a draining pulse signal to judge that the rainwater pipe is in a draining state.
The G pole of the U2MOS is connected with the D pole of the A2MOS, the G pole of the U2MOS and the D pole of the A2MOS are connected with the anode of the D3 diode through a connecting wire, the connecting wire is further connected with one end of R9, and the other end of R9 is grounded.
The S pole of the A2MOS is connected with a 17 th pin PA7 of the singlechip 05, and the G pole of the A2MOS is connected with an 18 th pin PB0 of the singlechip 05.
The S pole of the U2MOS is connected with VCC, the D pole of the U2MOS is connected with the anode of a third Diode (marked as D1 Diode), the cathode of the D1 Diode is connected with one end of a C1 Cap22uF, and the other end of the C1 Cap22uF is connected with the singlechip 05.
When the Hall sensor senses that the rainwater pipe finishes draining, the second MOS pipe 011(U2MOS) is started as a non-draining electronic switch, and the other end of the C1 Cap22uF is connected with the single chip microcomputer 05. The singlechip 05 can receive the non-drainage pulse signal to judge that the rainwater pipe is in a non-drainage state.
The D pole of the U2MOS is also connected with the G pole of the A1MOS, the D pole of the A1MOS is connected with the negative pole of the D3 diode, the S pole of the A1MOS is connected with one end of the R8, and the other end of the R8 is grounded.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A rainwater and sewage mixed drainage monitoring device at a rainwater pipe water outlet is characterized by comprising a weather detector (01) and a monitor (02) which are arranged in a split mode, wherein the weather detector (01) is provided with a detection electrode (03) and a first transmission element (04), the detection electrode (03) is connected with the first transmission element (04), and the detection electrode (03) is used for detecting whether the weather is rainy or not and transmitting a signal to the first transmission element (04);
the monitor (02) is provided with a singlechip (05), a drainage detection element (6), a water quality detection element (07) and a second transmission element (08);
the single chip microcomputer (05) is wirelessly connected with the first transmission element (04), and the first transmission element (04) is used for wirelessly transmitting the signal detected by the detection electrode (03) to the single chip microcomputer (05);
the drainage detection element (06) is used for detecting whether the rainwater pipe drains water or not and transmitting a signal of whether the rainwater pipe drains water or not to the single chip microcomputer (05);
the water quality detection element (07) is connected with the single chip microcomputer (05), and the water quality detection element (07) is used for detecting the turbidity of the water quality and transmitting a turbidity signal to the single chip microcomputer (05);
the single-chip microcomputer (05) is connected with the second transmission element (08), the single-chip microcomputer (05) is used for processing data, obtaining a processing result and transmitting the processing result to the second transmission element (08), and the second transmission element (08) is used for uploading the processing result to a cloud.
2. A storm drain monitoring device according to claim 1 characterized in that said drain detection element (06) comprises a connector (09), a first mos tube (010), a second mos tube (011), a trigger pulse generator (012);
the connector (09) is used for connecting the Hall sensor,
when the rainwater pipe drains, the first mos pipe (010) is opened, and a drainage pulse signal is sent to the single chip microcomputer (05) through the trigger pulse generator (012);
when the rainwater pipe does not drain, the second mos pipe (011) is opened and sends a pulse signal without draining to the singlechip (05).
3. A storm drain monitoring device as claimed in claim 1 wherein said water quality monitoring element (07) includes a first header connector (013), said first header connector (013) being adapted to connect to a water quality sensor.
4. The rainwater and sewage co-emission monitoring device for the outlet of the rainwater pipe according to claim 1, wherein the first transmission element (04) adopts a lora communication circuit.
5. A storm drain monitoring device as claimed in claim 1 wherein said second transmission element (08) employs NB-IOT communication circuitry.
6. The rainwater and sewage mixed drainage monitoring device for the rainwater pipe outlet according to claim 1, wherein the monitor (02) is further provided with a power supply, and the power supply is used for supplying power.
7. The rainwater and sewage mixed emission monitoring device for the rainwater pipe outlet according to claim 1, wherein the single chip microcomputer (05) is further connected with a clock element (014) and a crystal oscillator element (015).
8. The rainwater and sewage mixed drainage monitoring device for the rainwater pipe outlet according to claim 1, wherein the detection electrode (03) comprises a positive electrode sheet (016) and a negative electrode sheet (017), the positive electrode sheet (016) is provided with a first electric sheet (018), the negative electrode sheet (017) is provided with a second electric sheet (019), and the first electric sheet (018) and the second electric sheet (019) are arranged in a staggered mode.
9. The rainwater and sewage mixed emission monitoring device for the rainwater pipe outlet according to claim 1, wherein the positive electrode sheet (016) and the negative electrode sheet (017) are made of stainless steel.
10. The rainwater and sewage mixed emission monitoring device for the rainwater pipe outlet according to claim 1, wherein the distance between the adjacent positive electrode sheet (016) and the adjacent negative electrode sheet (017) is 1 mm.
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| CN202110326174.7A CN113110139A (en) | 2021-03-26 | 2021-03-26 | Rainwater pipe water outlet rainwater and sewage mixed drainage monitoring device |
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| CN202110326174.7A CN113110139A (en) | 2021-03-26 | 2021-03-26 | Rainwater pipe water outlet rainwater and sewage mixed drainage monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113959489A (en) * | 2021-10-12 | 2022-01-21 | 上海建科环境技术有限公司 | Online monitoring system and monitoring method for river-entering rainwater drainage port |
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