CN114689026B - Inclination sensor for passively detecting power cable - Google Patents
Inclination sensor for passively detecting power cable Download PDFInfo
- Publication number
- CN114689026B CN114689026B CN202210427617.6A CN202210427617A CN114689026B CN 114689026 B CN114689026 B CN 114689026B CN 202210427617 A CN202210427617 A CN 202210427617A CN 114689026 B CN114689026 B CN 114689026B
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- China
- Prior art keywords
- processor
- energy storage
- angle sensor
- storage capacitor
- inclination angle
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- 238000004146 energy storage Methods 0.000 claims abstract description 35
- 239000003990 capacitor Substances 0.000 claims abstract description 31
- 230000006698 induction Effects 0.000 claims abstract description 19
- 230000007958 sleep Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000005059 dormancy Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002618 waking effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 239000013589 supplement Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A dip angle sensor for passively detecting a power cable comprises an induction coil, a rectifier bridge electrically connected with the induction coil, two energy storage capacitors and an LDO (low dropout regulator) connected between the energy storage capacitors; the system also comprises a processor, an inclination angle sensor and a radio frequency unit, wherein the inclination angle sensor and the radio frequency unit are connected to the processor; according to the invention, the angle of the overhead cable is measured without an additional power supply, the power supply adopts an induction power-taking mode, and the inclination angle data is transmitted to the ground station in a low-power micropower wireless communication mode.
Description
[ Field of technology ]
The invention relates to the field of power safety, in particular to an inclination angle sensor for passively detecting a power cable.
[ Background Art ]
The overhead cable has long distance, complex and changeable operation conditions, on-line monitoring has timely response and accurate monitoring, replaces the traditional manual line inspection, and can ensure the operation safety of the power grid; most of the prior art adopts manual inspection, and also adopts unmanned aerial vehicle inspection, but the response timeliness and the economy are poor.
Along with the pushing of the micro-power wireless power transmission and transformation protocol of the national network, an on-line monitoring system aiming at the overhead height (altitude), the inclination angle and the vibration quantity of the cable is developed by combining a mutual inductance power taking sensor and a micro-power consumption sensor, the state of the overhead cable is accurately monitored in real time, and the power transmission safety is ensured.
It can be seen that providing a tilt sensor that passively detects a power cable is a problem that needs to be addressed in the art.
[ Invention ]
In order to solve the above problems, the present invention provides a tilt sensor for passively detecting a power cable, which includes an induction coil, a rectifier bridge electrically connected to the induction coil, two energy storage capacitors, and an LDO connected between the energy storage capacitors; the system also comprises a processor, an inclination angle sensor and a radio frequency unit which are connected to the processor.
A method of operating a tilt sensor for use with the passive detection power cable of claim 1, comprising the steps of:
S1, an induction coil and an LDO provide stable voltage for a device;
S2, the processor enters a low-power-consumption dormant state, and the energy storage capacitor continuously stores electric quantity to reach a set threshold value;
S3, waking up and collecting the current state of the inclination angle sensor by the processor;
s4: and waking up the processor, and transmitting the acquired dip angle data by the radio frequency unit through a wireless signal.
Further, the induction coil converts alternating current into direct current through a rectifier bridge through alternating current small current obtained through induction; when the energy storage of the energy storage capacitor is enough for load use, the voltage at two ends rises to a set threshold value, the LDO is turned on, and a stable voltage is output to the whole circuit system.
Further, after obtaining the power supply of the LDO, the processor is powered on for resetting, initializing all IO of the peripheral and entering a low-power-consumption sleep state; because the processor is powered on to run, a part of the electric quantity stored by the energy storage capacitor is consumed, and the processor is dormant at the moment to continue storing the electric quantity so as to reach a set threshold value.
Further, after the processor reaches the dormancy setting time, when the electric quantity of the energy storage capacitor is enough for one time of data sampling of the inclination angle sensor, the processor wakes up and collects the current state of the inclination angle sensor; the processor control system continues to sleep to replenish the energy storage capacitor with power consumed by the acquisition of sensor data.
Further, when the electric quantity stored by the energy storage capacitor is enough to send the needed electric quantity once in a wireless way, the processor wakes up and configures the radio frequency unit to send the collected dip angle data through the wireless signal, the ground receiving end receives the collected dip angle sensor data, analyzes, processes, forwards and reports the collected dip angle sensor data, and the processor continues to sleep to enable the energy storage capacitor to store the electric quantity, so that the next dip angle sampling is prepared.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the angle of the overhead cable is measured without an additional power supply (battery), the power supply adopts an induction power-taking mode, and the inclination angle data is transmitted to the ground station in a low-power micropower wireless communication mode.
2. And the state of the overhead cable is accurately monitored in real time by combining an online monitoring system of the inclination angle and the vibration quantity of the mutual inductance power taking and micro-power consumption sensor, so that the power transmission safety is ensured.
[ Description of the drawings ]
FIG. 1 is a block diagram of tilt measurement and wireless transmission hardware in accordance with the present invention;
FIG. 2 is a block diagram of inductive power harvesting and electrical energy storage and conversion hardware in accordance with the present invention.
[ Detailed description ] of the invention
The directional terms mentioned in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., are merely directions in the drawings for explaining and explaining the present invention, and are not intended to limit the scope of the present invention.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a composition structure of a dip sensor for passively detecting a power cable according to the present invention is shown, which includes an induction coil, a rectifier bridge electrically connected to the induction coil, two energy storage capacitors, and an LDO (Low Dropout Regulator, low dropout linear regulator) connected between the energy storage capacitors; the system also comprises a processor, an inclination angle sensor and a radio frequency unit, wherein the inclination angle sensor and the radio frequency unit are connected to the processor; according to the invention, the angle of the overhead cable is measured without an additional power supply (battery), the power supply adopts an induction power-taking mode, and the inclination angle data is transmitted to the ground station in a low-power micropower wireless communication mode.
The working method of the tilt angle sensor for passively detecting the power cable comprises the following steps:
S1, an induction coil and an LDO provide stable voltage for a device
The alternating current small current obtained by the induction coil is converted into direct current through a rectifier bridge; the direct current is stored through the energy storage capacitor, more and more energy is stored in the energy storage capacitor along with the increase of time, when the energy storage of the energy storage capacitor is enough for the use of a load, the voltage at two ends rises to a set threshold value, the LDO is opened, and a stable voltage is output to the whole circuit system.
S2, the processor enters a low-power-consumption dormant state, and the energy storage capacitor continuously stores electric quantity to reach a set threshold value
After obtaining the power supply of the LDO, the processor is powered on for resetting, initializing all IO of the peripheral and entering a low-power-consumption sleep state; because the processor is powered on to run, a part of the electric quantity stored by the energy storage capacitor is consumed, and the processor is dormant at the moment to continue storing the electric quantity so as to reach a set threshold value.
S3, the processor wakes up and collects the current state of the inclination angle sensor
When the processor sleeps for a set time (such as 5 minutes), and the electric quantity of the energy storage capacitor is enough for one time of data sampling of the inclination angle sensor, the processor wakes up and collects the current state of the inclination angle sensor; the processor control system continues to sleep to replenish the energy storage capacitor with power consumed by the acquisition of sensor data.
S4: awakening the processor, and transmitting the collected dip angle data by the radio frequency unit through a wireless signal
When the dormancy of the processor reaches the set time (such as 1 minute), and the electric quantity stored by the energy storage capacitor is enough to wirelessly transmit the required electric quantity once, the processor wakes up and configures the radio frequency unit to transmit the collected inclination angle data through the wireless signal, the ground receiving end receives the collected inclination angle sensor data, analyzes, processes and forwards the collected inclination angle sensor data to report, and the processor continues to dormancy to enable the energy storage capacitor to store the electric quantity, so that the next inclination angle sampling is prepared.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The dip angle sensor for passively detecting the power cable is characterized by comprising an induction coil, a rectifier bridge electrically connected with the induction coil, two energy storage capacitors and an LDO (low dropout regulator) connected between the energy storage capacitors; the system also comprises a processor, an inclination angle sensor and a radio frequency unit, wherein the inclination angle sensor and the radio frequency unit are connected to the processor;
The working method of the tilt angle sensor for passively detecting the power cable comprises the following steps:
S1, an induction coil and an LDO provide stable voltage for a device;
S2, the processor enters a low-power-consumption dormant state, and the energy storage capacitor continuously stores electric quantity to reach a set threshold value;
S3, waking up and collecting the current state of the inclination angle sensor by the processor;
s4: the processor is awakened, and the radio frequency unit sends the collected dip angle data through a wireless signal;
The induction coil is used for obtaining alternating current small current through induction, and converting the alternating current into direct current through a rectifier bridge; when the energy storage of the energy storage capacitor is enough for load use, the voltage at two ends rises to a set threshold value, the LDO is turned on, and a stable voltage is output to the whole circuit system;
After the processor acquires power supply of the LDO, the processor is powered on for resetting, initializing all IO of the peripheral and entering a low-power-consumption sleep state; because the processor is powered on to run, a part of electricity stored by the energy storage capacitor is consumed, and the processor is dormant at the moment to continue storing the electricity so as to reach a set threshold value;
After the processor reaches the dormancy setting time, when the electric quantity of the energy storage capacitor is enough for one time of data sampling of the inclination angle sensor, the processor wakes up and collects the current state of the inclination angle sensor; the processor control system continues to sleep to supplement the energy consumed by the energy storage capacitor because the sensor data are collected;
when the electric quantity stored by the energy storage capacitor is enough to send the needed electric quantity once in a wireless way, the processor wakes up and configures the radio frequency unit to send the collected dip angle data through the wireless signal, the ground receiving end receives the collected dip angle sensor data, analyzes, processes, forwards and reports the collected dip angle sensor data, and the processor continues to sleep to enable the energy storage capacitor to store the electric quantity, so that the next dip angle sampling is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427617.6A CN114689026B (en) | 2022-04-22 | 2022-04-22 | Inclination sensor for passively detecting power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427617.6A CN114689026B (en) | 2022-04-22 | 2022-04-22 | Inclination sensor for passively detecting power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114689026A CN114689026A (en) | 2022-07-01 |
| CN114689026B true CN114689026B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210427617.6A Active CN114689026B (en) | 2022-04-22 | 2022-04-22 | Inclination sensor for passively detecting power cable |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808360A (en) * | 2013-08-24 | 2014-05-21 | 国家电网公司 | Wire integrated condition monitoring sensor |
| CN208479195U (en) * | 2018-01-11 | 2019-02-05 | 广东贝仕达克科技有限公司 | A kind of wake-up circuit and lithium battery protection board of lithium battery |
| CN209658919U (en) * | 2019-04-10 | 2019-11-19 | 刘辉 | A kind of induction of extremely low power dissipation takes electric radio temperature sensor |
| CN110829509A (en) * | 2019-11-08 | 2020-02-21 | 武汉新电电气股份有限公司 | Simple electric field induction energy-taking power supply |
| CN111263890A (en) * | 2017-06-26 | 2020-06-09 | 瓦提利提公司 | Inductive supply current monitoring |
| CN111512533A (en) * | 2017-12-08 | 2020-08-07 | 维洛西门子新能源汽车法国简式股份公司 | DC-DC voltage converter for pre-charging a first power network with a second power network |
| CN211554286U (en) * | 2019-12-30 | 2020-09-22 | 江苏紫喻智能科技有限公司 | Drop switch monitoring terminal |
-
2022
- 2022-04-22 CN CN202210427617.6A patent/CN114689026B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808360A (en) * | 2013-08-24 | 2014-05-21 | 国家电网公司 | Wire integrated condition monitoring sensor |
| CN111263890A (en) * | 2017-06-26 | 2020-06-09 | 瓦提利提公司 | Inductive supply current monitoring |
| CN111512533A (en) * | 2017-12-08 | 2020-08-07 | 维洛西门子新能源汽车法国简式股份公司 | DC-DC voltage converter for pre-charging a first power network with a second power network |
| CN208479195U (en) * | 2018-01-11 | 2019-02-05 | 广东贝仕达克科技有限公司 | A kind of wake-up circuit and lithium battery protection board of lithium battery |
| CN209658919U (en) * | 2019-04-10 | 2019-11-19 | 刘辉 | A kind of induction of extremely low power dissipation takes electric radio temperature sensor |
| CN110829509A (en) * | 2019-11-08 | 2020-02-21 | 武汉新电电气股份有限公司 | Simple electric field induction energy-taking power supply |
| CN211554286U (en) * | 2019-12-30 | 2020-09-22 | 江苏紫喻智能科技有限公司 | Drop switch monitoring terminal |
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| CN114689026A (en) | 2022-07-01 |
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