CN210895052U - Pipeline monitoring system - Google Patents
Pipeline monitoring system Download PDFInfo
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- CN210895052U CN210895052U CN201921487289.9U CN201921487289U CN210895052U CN 210895052 U CN210895052 U CN 210895052U CN 201921487289 U CN201921487289 U CN 201921487289U CN 210895052 U CN210895052 U CN 210895052U
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Abstract
The utility model discloses a pipeline monitoring system, which comprises a control valve body arranged in a household pipeline, a control device for controlling the control valve body and a remote monitoring platform for monitoring the control valve and the control device; the control device comprises a power management module, a water pressure acquisition module, a temperature acquisition module, a data processing module, a valve opening and closing degree acquisition module and a data communication module; the water pressure acquisition module is used for acquiring pressure data; the temperature acquisition module is used for acquiring temperature data; the valve opening and closing degree acquisition module is used for acquiring valve opening and closing degree data; the data processing module is used for sending the pressure data, the temperature data and the opening and closing degree data to the remote monitoring platform; the utility model provides a pipeline monitoring system has improved the intelligent degree of control valve for the heating condition can in time be known to the remote monitoring personnel, thereby carries out corresponding adjustment, has improved the utilization ratio of the energy.
Description
Technical Field
The utility model relates to a heating power pipeline control field, concretely relates to pipeline monitoring system.
Background
With the change of the current air and environment, the nation pays more and more attention to energy conservation and emission reduction, but the situation of realizing the target of energy conservation and emission reduction is very severe, and the data shows that the target of energy conservation and emission reduction in the past few years in China is difficult to realize. China can realize central heating from north of Yangtze river, has wide application range and relates to hundreds of millions of people. In terms of energy utilization, the central heating has high operation cost, the central heating always supplies heat all day long no matter whether the central heating is needed or not, and the central heating also starts to supply heat all day long even if people are not at home, so that huge resources are wasted. In recent years, heat meters of heating systems are gradually popularized, and heating systems are started or prepared to be started in most areas according to heat charge, so that a heating control valve is required to be used for reasonably opening and closing the heating system, and further, the reasonable utilization of energy is realized.
The pipeline control system in the prior art can only realize on-off control of water flow in the pipeline, but cannot monitor the temperature and pressure conditions of the water flow in the pipeline and control the opening degree of the valve, so that energy waste is caused.
Disclosure of Invention
An object of the utility model is to provide a pipeline monitoring system for solve the control system among the prior art and can't monitor the temperature and the pressure condition of rivers in the pipeline and to the control of valve degree of opening and shutting size, caused the extravagant problem of the energy.
In order to realize the task, the utility model discloses a following technical scheme:
a pipeline monitoring system comprises a control valve body installed in a service pipeline, a control device used for controlling the control valve body and a remote monitoring platform used for monitoring the control valve and the control device;
the control device comprises a power management module, a water pressure acquisition module, a temperature acquisition module, a data processing module, a valve opening and closing degree acquisition module and a data communication module;
the power management module is used for supplying power to the water pressure acquisition module, the temperature acquisition module, the data processing module, the valve opening and closing degree acquisition module and the data communication module;
the water pressure acquisition module is used for acquiring the water flow pressure of a pipeline where the control valve body is located to obtain pressure data;
the temperature acquisition module is used for acquiring the water flow temperature of a pipeline where the control valve body is located to obtain temperature data;
the valve opening and closing degree acquisition module is used for acquiring the opening and closing degree of the control valve body to obtain valve opening and closing degree data;
the data processing module is used for sending the pressure data, the temperature data and the opening and closing degree data to the data communication module;
the data communication module is used for sending the pressure data, the temperature data and the opening and closing degree data to a remote monitoring platform.
Furthermore, the water pressure acquisition module comprises a water inlet pressure acquisition submodule and a water return pressure acquisition submodule;
the pressure data comprises water inlet pressure data and water return pressure data;
the water inlet pressure acquisition submodule is used for detecting the pressure of water inlet flow to obtain water inlet pressure data;
and the backwater water pressure acquisition submodule is used for detecting the pressure of backwater water flow to obtain backwater pressure data.
Furthermore, the temperature acquisition module comprises a water inlet temperature acquisition submodule and a water return temperature acquisition submodule;
the temperature data comprises inlet water temperature data and return water temperature data;
the water inlet temperature acquisition submodule is used for detecting the temperature of water inlet flow to obtain water inlet temperature data;
the return water temperature acquisition submodule is used for detecting the temperature of return water flow to obtain return water temperature data.
Furthermore, the control device also comprises a valve opening and closing degree control module for controlling the opening and closing degree of the control valve body;
the remote monitoring platform generates an opening and closing degree control signal;
the data communication module is used for sending the opening and closing degree control signal to the data processing module;
the data processing module is used for converting the opening and closing degree control signal into opening and closing degree control data;
the valve opening and closing degree control module is used for controlling the opening and closing degree of the control valve body according to the opening and closing degree control data.
Further, the data communication module comprises an NB-IoT submodule;
the NB-IoT submodule is used for sending the pressure data, the temperature data, the opening degree data and/or the water leakage alarm signal and/or the heating temperature over-low alarm signal and/or the heating stealing alarm signal to a remote monitoring platform.
Further, the data communication module further comprises a collection loRa submodule and a sending loRa submodule;
the acquisition LoRa submodule is used for acquiring the pressure data, the temperature data or the opening-degree data;
the sending LoRa submodule is used for sending the pressure data, the temperature data and the opening and closing degree data to the NB-IoT submodule.
Furthermore, the control device also comprises a local upgrading module;
the local upgrading module is used for carrying out near-end upgrading on the control device;
the local upgrading module comprises an upgrading data transmission submodule;
the upgrade data transmission submodule is used for acquiring upgrade data and forwarding the upgrade data to the data processing module.
Further, the power management submodule comprises a power supply battery J2, a boost switch circuit, a boost circuit and a voltage stabilizing circuit;
the power supply battery J2 is used for providing input voltage;
the boost switch circuit is used for judging whether the input voltage is greater than a voltage threshold value or not, and if so, inputting the input voltage to the voltage stabilizing circuit; otherwise, inputting the input voltage to a booster circuit;
the booster circuit is used for boosting the input voltage to obtain a boosted voltage;
the voltage stabilizing circuit is used for stabilizing the input voltage or the boosted voltage to obtain output voltage.
Further, the boost circuit comprises a boost chip U1, the VIN end of the boost chip U1 is connected with the power supply battery J2, the VIN end of the boost chip U1 is further connected with the SW end through an inductor L1, the VIN end of the boost chip U1 is further connected with a capacitor C1, the EN end of the boost chip U1 is connected with the boost switch circuit, the VOUT end of the boost chip U1 is connected with the voltage stabilizing circuit, a resistor R1 is connected between the VOUT end and the FB end of the boost chip U1, a resistor R2 is further connected between the FB end and the GND end of the boost chip U1, and the GND end of the boost chip U1 is further grounded.
Further, the voltage stabilizing circuit comprises a voltage stabilizing chip U2, a VIN terminal of the voltage stabilizing chip U2 is connected with a VOUT terminal of the voltage boosting chip U1 or with the power supply battery J2, the VIN terminal of the voltage stabilizing chip U2 is further grounded through a capacitor C3, a capacitor C4 and a capacitor C5, a GND terminal of the voltage stabilizing chip U2 is grounded, the VOUT terminal of the voltage stabilizing chip U2 is further grounded through a capacitor C6, the capacitor C6 is further connected in parallel with a capacitor C7 and a capacitor C8, and an inductor L2 is further connected in series between the capacitor C6 and the capacitor C7.
Compared with the prior art, the utility model following technological effect has:
1. the utility model provides a pipeline monitoring system has realized the real-time detection to water pressure, temperature and valve degree of opening and shutting in the heating pipe through having designed water pressure collection module, temperature acquisition module and valve degree of opening and shutting collection module, has improved the intelligent degree of control valve for remote monitoring personnel can know the heating condition in time, thereby carries out corresponding adjustment, has improved the utilization ratio of the energy;
2. the pipeline monitoring system provided by the utility model realizes the remote control function of remote monitoring personnel on the control valve, so that the remote monitoring personnel can conveniently adjust the heating amount in time, and the utilization rate of energy is improved;
3. the utility model provides a pipeline monitored control system is through having designed power management module, controls boost circuit's use in a flexible way, does not launch boost circuit when battery voltage is normal, by the direct power supply of battery, avoids the power loss that steps up and bring, and when the battery voltage is low, thereby launches boost circuit and has improved the utilization ratio assurance device normal operation of battery power.
Drawings
Fig. 1 is a schematic view of an internal structure of a control device provided by the present invention;
fig. 2 is a circuit structure diagram of the water pressure collecting module provided by the present invention;
fig. 3 is a structural diagram of an internal circuit of the temperature acquisition module provided by the present invention;
fig. 4 is a diagram of the internal circuit structure of the LoRa collecting submodule and the LoRa sending submodule provided by the utility model;
fig. 5 is a circuit structure diagram inside the power management module provided by the present invention.
Detailed Description
In this embodiment, a pipeline monitoring system is disclosed, which includes a control valve body installed in a pipeline, and the pipeline monitoring system further includes a control device for controlling the control valve body and a remote monitoring platform for monitoring the control valve and the control device.
The control device comprises a power management module, a water pressure acquisition module, a temperature acquisition module, a data processing module, a valve opening and closing degree acquisition module and a data communication module;
the power management module is used for supplying power to the water pressure acquisition module, the temperature acquisition module, the data processing module and the data communication module;
the water pressure acquisition module is used for acquiring the water flow pressure of a pipeline where the control valve body is located to obtain pressure data;
the temperature acquisition module is used for acquiring the water flow temperature of a pipeline where the control valve body is located to obtain temperature data;
the valve opening and closing degree acquisition module is used for acquiring the opening and closing degree of the control valve body to obtain valve opening and closing degree data;
the data processing module is used for sending the pressure data, the temperature data and the opening and closing degree data to the data communication module;
the data communication module is used for sending the pressure data, the temperature data and the opening and closing degree data to the remote monitoring platform.
The pipeline monitoring system provided in the present embodiment can realize the following functions:
1. real-time detection of pressure in the pipeline;
2. real-time detection of temperature in the pipeline;
3. the valve opening and closing degree is detected in real time, so that the water flow can be detected in real time;
4. the detected pressure value, temperature value and opening and closing degree value are sent to the remote monitoring platform in real time, so that remote monitoring personnel can know the heating condition in time.
Optionally, the water pressure acquisition module comprises a water inlet pressure acquisition submodule and a water return pressure acquisition submodule;
the pressure data comprises water inlet pressure data and water return pressure data;
the water inlet pressure acquisition submodule is used for acquiring the pressure of water inlet flow to obtain water inlet pressure data;
and the backwater pressure data is used for the pressure of backwater water flow to obtain backwater pressure data.
In this embodiment, the water pressure that the water pressure collection module gathered includes the pressure of intaking of registering one's residence and the return water pressure of leaving one's residence, and the pressure data that the water pressure collection module gathered can transmit for data processing module through wired or wireless mode, adopts wired transmission's mode in this embodiment.
In this embodiment, both the water inlet pressure acquisition submodule and the water return pressure acquisition submodule adopt a pressure sensor of 25WD002-ENV model and a reference design circuit provided by a manufacturer and shown in fig. 2, and the reference design circuit comprises a pressure sensor P11, resistors R43, R44, R24, R27 and a triode Q9.
Optionally, the temperature acquisition module comprises an inlet water temperature acquisition submodule and a return water temperature acquisition submodule;
the temperature data comprises inlet water temperature data and return water temperature data;
the inlet water temperature acquisition submodule is used for detecting the temperature of inlet water flow to obtain inlet water temperature data;
and the return water temperature acquisition submodule is used for detecting the temperature of return water flow to obtain return water temperature data.
In this embodiment, the temperature acquisition module can acquire the temperature of the inlet water and the temperature of the return water, in this embodiment, both the inlet water temperature acquisition submodule and the return water temperature acquisition submodule adopt a temperature sensor of 18B20 model and a reference design circuit provided by a manufacturer, as shown in fig. 3, the reference design circuit includes a temperature sensor P10 and a resistor R41.
Optionally, the control device further comprises a valve opening and closing degree control module for controlling the opening and closing degree of the control valve body;
the remote monitoring platform generates an opening and closing degree control signal;
the data communication module is used for sending the opening and closing degree control signal to the data processing module;
the data processing module controls the valve opening and closing degree control module to adjust the opening and closing degree of the valve according to the opening and closing degree control signal.
In this embodiment, valve opening and closing degree control module has been set up, remote monitoring platform can send the opening and closing degree of signal regulation valve to controlling means, if remote monitoring platform has sent the order that changes valve opening and closing degree, data communication module receives this order after, passes to control module with the order, parse the order by control module, then control module sends the signal of regulating valve opening and closing degree according to the state of the valve that sets up in the order again, and to the opening and closing degree real-time detection of valve, in case the valve reaches appointed opening and closing degree, control module sends the signal of stopping regulating valve opening and closing degree immediately.
Optionally, the data communication module comprises an NB-IoT sub-module;
the NB-IoT submodule is used for sending the pressure data, the temperature data and the opening and closing data to the remote monitoring platform.
In the embodiment, the NB-IoT submodule in the embodiment adopts an NB-IoT module of M5310A model and a reference design circuit provided by an M5310-a module manufacturer as a peripheral circuit to jointly constitute the NB-IoT submodule in the embodiment.
Optionally, the data communication module further includes a LoRa collection submodule and a LoRa sending submodule;
the acquisition LoRa submodule is used for acquiring the pressure data, the temperature data or the opening-degree data;
the sending LoRa submodule is used for sending the pressure data, the temperature data and the opening and closing degree data to the NB-IoT submodule.
In this embodiment, as shown in fig. 4, the wireless LoRa sub-module includes an LoRa chip U11 with a model number of LSD4RF-2F717N30, and the LoRa chip U11 has 14 pins, which are respectively a reset pin RST, an SPI chip select pin NSS, interrupt pins DIO0-DIO3 and DIO5, an SPI bus slave output pin SO, an SPI bus slave input pin SI, a clock pin CLK, an antenna pin RF, a power pin VCC, and a ground pin GND. The power supply module comprises a power supply pin VCC, a ground pin GND, capacitors C50, C51 and C52, wherein the power supply pin VCC is connected with the output end of the power supply module and used for receiving 3.3V power supply, a plurality of capacitors for filtering are connected in parallel between the power supply pin VCC and the ground pin GND, the capacitors C50, C51 and C52 are respectively, the capacitor C50 adopts a 10PF capacitor, the capacitor C51 adopts a 0.1UF capacitor, and the capacitor C52 adopts a 10UF capacitor; an SPI bus slave output pin SO and an SPI bus slave input pin SI are both connected with the data processing module and used for receiving signals; an LoRa antenna J10 is connected to the antenna pin RF, an inductor L10 is connected in series between the antenna pin RF and the LoRa antenna J10, and two capacitors C54 and C53 are connected to both ends of the inductor L10, connected to the ground pin GND, and then grounded.
In this embodiment, gather LoRa submodule and water pressure collection module, temperature collection module or valve degree of opening and shutting collection module lug connection, rethread wireless transmission's mode with temperature data, water pressure data or valve degree of opening and shutting data transmission for sending LoRa submodule, send LoRa submodule and assemble the back, send temperature data, water pressure data and valve degree of opening and shutting data transmission for NB-IoT submodule, finally send temperature data, water pressure data and valve degree of opening and shutting data for remote monitoring platform by NB-IoT submodule.
Optionally, the control device further comprises a local upgrade module;
the local upgrading module is used for performing near-end upgrading on the control device;
the local upgrading module comprises an upgrading data transmission submodule;
the upgrade data transmission submodule is used for acquiring upgrade data and forwarding the upgrade data to the data processing module.
In this embodiment, a low-power wireless bluetooth module is used as a local upgrade module, a nRF52832 type bluetooth chip is selected in this embodiment, the chip integrates MCU and bluetooth functions, and can implement control communication of bluetooth communication with other peripherals, a nRF52832 type bluetooth chip manufacturer provides a reference design circuit for application, and in this embodiment, the reference design circuit is directly used as an integrated circuit of a data processing module and a data communication module, so as to implement a local upgrade function.
Optionally, the power management submodule includes a power supply battery J2, a boost switch circuit, a boost circuit, and a voltage regulator circuit;
the power supply battery J2 is used for providing input voltage;
the boost switch circuit is used for judging whether the input voltage is greater than a voltage threshold value or not, and if so, inputting the input voltage to the voltage stabilizing circuit; otherwise, inputting the input voltage to a booster circuit;
the booster circuit is used for boosting the input voltage to obtain a boosted voltage;
the voltage stabilizing circuit is used for stabilizing the input voltage or the boosted voltage to obtain output voltage.
As shown in fig. 5, in the present embodiment, in order to prevent the input voltage supplied from the separate power supply battery J2 from being consumed over time, the voltage cannot satisfy the power supply requirements of the data processing module, the data communication module, and the inclination detection module, and therefore, a boost switching circuit and a boost circuit are provided.
The boost switch circuit detects the magnitude of the input voltage, and when the input voltage is less than or equal to the voltage threshold, the boost switch circuit needs to boost the input voltage to obtain the boosted voltage.
In the present embodiment, the power supply battery J2 is a lithium subcell.
Optionally, the boost switch circuit includes a MOS transistor Q5, and a resistor R30 and a resistor R39 connected between the S pole and the G pole of the MOS transistor Q5.
In this embodiment, as shown in fig. 5, the MOS transistor Q5 is an FDN340 type MOS transistor, which is turned on at a low level, the resistor R30 is a 47K Ω resistor, and the resistor R39 is a 1K Ω resistor.
Optionally, the boost circuit includes a boost chip U1, a VIN end of the boost chip U1 is connected to the power supply battery J2, a VIN end of the boost chip U1 is further connected to a SW end through an inductor L1, a VIN end of the boost chip U1 is further connected to a capacitor C1, an EN end of the boost chip U1 is connected to the boost switch circuit, a VOUT end of the boost chip U1 is connected to the voltage stabilizing circuit, a resistor R1 is connected between a VOUT end of the boost chip U1 and the FB end, a resistor R2 is further connected between the FB end of the boost chip U1 and the GND end, and the GND end of the boost chip U1 is further grounded.
In this embodiment, as shown in fig. 5, the boost chip U1 selects a TPS61099 chip, the data processing module controls the EN terminal of the boost chip U1 through the IO port to activate the boost circuit, and the data processing module controls the on/off of the MOS transistor Q5 and the boost circuit through the IO port, which is characterized in that the boost circuit is not activated when the battery voltage is normal, and the battery directly supplies power to avoid power loss due to boosting, and when the battery voltage is low, the boost circuit is activated to increase the utilization rate of the battery power to ensure that the system works normally.
In this embodiment, as shown in fig. 5, the inductor L1 is a 2.2UH inductor, the resistor R1 is a 12.2K Ω resistor, the resistor R2 is a 4.7K Ω resistor, and the capacitor C2 is a 10UF capacitor.
Optionally, the voltage stabilizing circuit includes a voltage stabilizing chip U2, the VIN terminal of the voltage stabilizing chip U2 is connected to the VOUT terminal of the voltage boosting chip U1 or to the power supply battery J2, the VIN terminal of the voltage stabilizing chip U2 is further grounded through a capacitor C3, a capacitor C4, and a capacitor C5, the GND terminal of the voltage stabilizing chip U2 is grounded, the VOUT terminal of the voltage stabilizing chip U2 is further grounded through a capacitor C6, the capacitor C6 is further connected in parallel to the capacitor C7 and the capacitor C8, and an inductor L2 is further connected in series between the capacitor C6 and the capacitor C7.
In this embodiment, the voltage output by the voltage stabilizing circuit is supplied to the data processing module, the data communication module, the water pressure acquisition module, the temperature acquisition module, the valve opening and closing degree acquisition module and the local upgrading module.
In this embodiment, as shown in fig. 5, the voltage regulation chip U2 is a TLV70433 type voltage regulation chip, the capacitor C3, the capacitor C4 and the capacitor C6 are 10UF capacitors, the capacitor C5 and the capacitor C8 are 105 capacitors, and the capacitor C7 is 101 capacitors.
Claims (10)
1. A pipeline monitoring system comprises a control valve body installed in a service pipeline, and is characterized by also comprising a control device used for controlling the control valve body and a remote monitoring platform used for monitoring the control valve and the control device;
the control device comprises a power management module, a water pressure acquisition module, a temperature acquisition module, a data processing module, a valve opening and closing degree acquisition module and a data communication module;
the power management module is used for supplying power to the water pressure acquisition module, the temperature acquisition module, the data processing module, the valve opening and closing degree acquisition module and the data communication module;
the water pressure acquisition module is used for acquiring the water flow pressure of a pipeline where the control valve body is located to obtain pressure data;
the temperature acquisition module is used for acquiring the water flow temperature of a pipeline where the control valve body is located to obtain temperature data;
the valve opening and closing degree acquisition module is used for acquiring the opening and closing degree of the control valve body to obtain valve opening and closing degree data;
the data processing module is used for sending the pressure data, the temperature data and the opening and closing degree data to the data communication module;
the data communication module is used for sending the pressure data, the temperature data and the opening and closing degree data to a remote monitoring platform.
2. The pipeline monitoring system according to claim 1, wherein the water pressure acquisition module comprises an inlet water pressure acquisition submodule and a return water pressure acquisition submodule;
the pressure data comprises water inlet pressure data and water return pressure data;
the water inlet pressure acquisition submodule is used for detecting the pressure of water inlet flow to obtain water inlet pressure data;
and the backwater water pressure acquisition submodule is used for detecting the pressure of backwater water flow to obtain backwater pressure data.
3. The pipeline monitoring system of claim 1, wherein the temperature acquisition module comprises an inlet water temperature acquisition submodule and a return water temperature acquisition submodule;
the temperature data comprises inlet water temperature data and return water temperature data;
the water inlet temperature acquisition submodule is used for detecting the temperature of water inlet flow to obtain water inlet temperature data;
the return water temperature acquisition submodule is used for detecting the temperature of return water flow to obtain return water temperature data.
4. The pipeline monitoring system of claim 1, wherein the control device further comprises a valve opening and closing degree control module for controlling the opening and closing degree of the control valve body;
the remote monitoring platform generates an opening and closing degree control signal;
the data communication module is used for sending the opening and closing degree control signal to the data processing module;
the data processing module is used for converting the opening and closing degree control signal into opening and closing degree control data;
the valve opening and closing degree control module is used for controlling the opening and closing degree of the control valve body according to the opening and closing degree control data.
5. The pipeline monitoring system of claim 1, wherein the data communication module comprises an NB-IoT submodule;
the NB-IoT submodule is used for sending the pressure data, the temperature data, the opening degree data and/or the water leakage alarm signal and/or the heating temperature over-low alarm signal and/or the heating stealing alarm signal to a remote monitoring platform.
6. The pipeline monitoring system of claim 5, wherein the data communication module further comprises a collection LoRa submodule and a sending LoRa submodule;
the acquisition LoRa submodule is used for acquiring the pressure data, the temperature data or the opening-degree data;
the sending LoRa submodule is used for sending the pressure data, the temperature data and the opening and closing degree data to the NB-IoT submodule.
7. The pipeline monitoring system of claim 1 wherein the control means further comprises a local upgrade module;
the local upgrading module is used for carrying out near-end upgrading on the control device;
the local upgrading module comprises an upgrading data transmission submodule;
the upgrade data transmission submodule is used for acquiring upgrade data and forwarding the upgrade data to the data processing module.
8. The pipeline monitoring system of claim 1, wherein the power management submodule includes a power supply battery J2, a boost switching circuit, a boost circuit, and a regulator circuit;
the power supply battery J2 is used for providing input voltage;
the boost switch circuit is used for judging whether the input voltage is greater than a voltage threshold value or not, and if so, inputting the input voltage to the voltage stabilizing circuit; otherwise, inputting the input voltage to a booster circuit;
the booster circuit is used for boosting the input voltage to obtain a boosted voltage;
the voltage stabilizing circuit is used for stabilizing the input voltage or the boosted voltage to obtain output voltage.
9. The pipeline monitoring system as claimed in claim 8, wherein the boost circuit includes a boost chip U1, the VIN terminal of the boost chip U1 is connected to the supply battery J2, the VIN terminal of the boost chip U1 is further connected to the SW terminal through an inductor L1, the VIN terminal of the boost chip U1 is further connected to a capacitor C1, the EN terminal of the boost chip U1 is connected to the boost switch circuit, the VOUT terminal of the boost chip U1 is connected to the voltage regulator circuit, a resistor R1 is connected between the VOUT terminal and the FB terminal of the boost chip U1, a resistor R2 is connected between the FB terminal and the GND terminal of the boost chip U1, and the GND terminal of the boost chip U1 is further grounded.
10. The pipeline monitoring system as claimed in claim 9, wherein the voltage regulator circuit includes a voltage regulator chip U2, a VIN terminal of the voltage regulator chip U2 is connected to a VOUT terminal of the voltage boost chip U1 or to the power supply battery J2, a VIN terminal of the voltage regulator chip U2 is further grounded through a capacitor C3, a capacitor C4 and a capacitor C5, a GND terminal of the voltage regulator chip U2 is grounded, a VOUT terminal of the voltage regulator chip U2 is further grounded through a capacitor C6, the capacitor C6 is further connected in parallel to a capacitor C7 and a capacitor C8, and an inductor L2 is further connected in series between the capacitor C6 and the capacitor C7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487289.9U CN210895052U (en) | 2019-09-06 | 2019-09-06 | Pipeline monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487289.9U CN210895052U (en) | 2019-09-06 | 2019-09-06 | Pipeline monitoring system |
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| CN210895052U true CN210895052U (en) | 2020-06-30 |
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| CN201921487289.9U Active CN210895052U (en) | 2019-09-06 | 2019-09-06 | Pipeline monitoring system |
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