CN114689026A - Inclination angle sensor for passive detection of power cable - Google Patents
Inclination angle sensor for passive detection of power cable Download PDFInfo
- Publication number
- CN114689026A CN114689026A CN202210427617.6A CN202210427617A CN114689026A CN 114689026 A CN114689026 A CN 114689026A CN 202210427617 A CN202210427617 A CN 202210427617A CN 114689026 A CN114689026 A CN 114689026A
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- processor
- energy storage
- storage capacitor
- power
- tilt sensor
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- 238000001514 detection method Methods 0.000 title claims description 4
- 238000004146 energy storage Methods 0.000 claims abstract description 38
- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 230000006698 induction Effects 0.000 claims abstract description 18
- 230000007958 sleep Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection 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
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A tilt 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 connected between the two energy storage capacitors; in addition, the system also comprises a processor, a tilt angle sensor and a radio frequency unit which are connected with 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
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electric power safety, in particular to a tilt angle sensor for passively detecting a power cable.
[ background of the invention ]
The overhead cable has long distance and complex and variable operation conditions, has timely response and accurate monitoring during online monitoring, and can replace the traditional manual line patrol to better ensure the operation safety of a power grid; most of the prior methods adopt manual inspection and unmanned aerial vehicle inspection, but the response timeliness and the economy are poor.
Along with the implementation of a state network micropower wireless power transmission and transformation protocol, an online monitoring system for the overhead height (altitude), the inclination angle and the vibration quantity of a cable is developed by combining a mutual inductance power taking sensor and a micropower sensor, so that 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 for passively detecting power cables is a problem that needs to be addressed in the art.
[ summary of the 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; in addition, the system also comprises a processor, a tilt angle sensor and a radio frequency unit which are connected with the processor.
A method of operating a tilt sensor for passive detection of a power cable according to claim 1, comprising the steps of:
s1, providing a stable voltage for the device by the induction coil and the LDO;
s2, the processor enters a low power consumption sleep state, and the energy storage capacitor continues to store the electric quantity to reach a set threshold value;
s3, the processor wakes up and collects the current state of the tilt angle sensor;
s4: and the radio frequency unit sends the acquired inclination angle data through a wireless signal.
Further, the induction coil converts alternating current into direct current through a rectifier bridge by inducing the obtained alternating current to be small current; the direct current is stored through the energy storage capacitor, when the energy storage of the energy storage capacitor is enough for the load to use, and the voltage at the two ends is increased 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 and reset, initializes each IO of the peripheral and enters a low-power consumption sleep state; because the processor is powered on and runs, a part of the electric quantity stored by the energy storage capacitor is consumed, and at the moment, the processor sleeps to continuously store the electric quantity so as to reach the set threshold value.
Further, after the processor reaches the sleep setting time and the electric quantity of the energy storage capacitor is enough for one time of data sampling of the tilt sensor, the processor wakes up and collects the current state of the tilt sensor; the processor control system continues to sleep to replenish the energy storage capacitor with the energy consumed to collect sensor data.
Furthermore, when the electric quantity stored in 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 acquired inclination angle data through a wireless signal, the ground receiving end receives the acquired inclination angle sensor data, analyzes, processes, forwards and reports the data, and the processor continues to sleep to enable the energy storage capacitor to store the electric quantity to prepare for next inclination angle sampling.
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. The state of the overhead cable is accurately monitored in real time by combining an online monitoring system for mutual inductance electricity taking and micro-power consumption sensor inclination angle and vibration quantity, and the power transmission safety is ensured.
[ description of the drawings ]
FIG. 1 is a block diagram of the tilt angle measurement and wireless transmission hardware of the present invention;
FIG. 2 is a block diagram of the induction power take and electrical energy storage and conversion hardware of the present invention.
[ detailed description ] A
The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used to explain and illustrate the present invention, but not to limit the scope of the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a composition structure of an inclination angle 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 a LDO (Low Dropout Regulator) connected between the energy storage capacitors; in addition, the system also comprises a processor, a tilt angle sensor and a radio frequency unit which are connected with 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 inclination angle sensor for passively detecting the power cable comprises the following steps:
s1 providing the device with stable voltage by the induction coil and the LDO
Alternating current obtained by the induction coil is converted into direct current through the rectifier bridge; the direct current carries out the energy storage through energy storage capacitor, and along with the increase of time, the energy of storing in the energy storage capacitor is more and more, and when energy storage of energy storage capacitor was enough load and used, when the voltage at both ends rose to the threshold value of settlement, the LDO was opened, and output a stable voltage gives whole circuit system.
S2, the processor enters a low power consumption sleep state, and the energy storage capacitor continues to store the electric quantity to reach the set threshold value
After obtaining the power supply of the LDO, the processor is powered on and reset, initializes each IO of the peripheral equipment and enters a low-power consumption dormant state; because the processor is powered on and runs, a part of the electric quantity stored by the energy storage capacitor is consumed, and at the moment, the processor sleeps to continuously store the electric quantity so as to reach the set threshold value.
S3 the processor wakes up and collects the current state of the tilt 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 data sampling of the tilt sensor, the processor wakes up and acquires the current state of the tilt sensor; the processor control system continues to sleep to replenish the energy storage capacitor with the energy consumed to collect sensor data.
S4: awakening processor, and transmitting the acquired inclination angle data by radio frequency unit through wireless signal
When the processor sleeps for a 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 acquired inclination angle data through a wireless signal, the ground receiving end receives the acquired inclination angle sensor data, analyzes, processes, forwards and reports the data, and the processor continues to sleep to enable the energy storage capacitor to store the electric quantity to prepare for next inclination angle sampling.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The tilt 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 two energy storage capacitors; in addition, the system also comprises a processor, a tilt angle sensor and a radio frequency unit which are connected with the processor.
2. A method of operating a tilt sensor for passive detection of a power cable according to claim 1, comprising the steps of:
s1, providing a stable voltage for the device by the induction coil and the LDO;
s2, the processor enters a low power consumption sleep state, and the energy storage capacitor continues to store the electric quantity to reach a set threshold value;
s3, the processor wakes up and collects the current state of the tilt sensor;
s4: and the radio frequency unit sends the acquired inclination angle data through a wireless signal.
3. The tilt sensor for passively detecting the power cable according to claim 2, wherein the induction coil converts alternating current into direct current through a rectifier bridge by inducing the obtained alternating current to be small; the direct current is stored through the energy storage capacitor, when the energy storage of the energy storage capacitor is enough for the load to use, and the voltage at the two ends is increased to a set threshold value, the LDO is turned on, and a stable voltage is output to the whole circuit system.
4. The tilt sensor for passively detecting a power cable according to claim 2, wherein the processor is configured to power on and reset after obtaining power supply of the LDO, initialize peripheral IO and enter a low power consumption sleep state; because the processor is powered on and runs, a part of the electric quantity stored by the energy storage capacitor is consumed, and at the moment, the processor sleeps to continuously store the electric quantity so as to reach the set threshold value.
5. The tilt sensor for passively detecting a power cable according to claim 2, wherein after the processor reaches the sleep setting time, when the electric quantity of the energy storage capacitor is sufficient for one time of data sampling of the tilt sensor, the processor wakes up and collects the current state of the tilt sensor; the processor control system continues to sleep to replenish the energy storage capacitor with the energy consumed to collect sensor data.
6. The tilt sensor for passively detecting a power cable according to claim 2, wherein when the stored power of the energy storage capacitor is sufficient for wirelessly transmitting the required power once, the processor wakes up and configures the radio frequency unit to transmit the acquired tilt data through a wireless signal, the ground receiving end receives the acquired tilt sensor data, analyzes, processes, forwards and reports the tilt sensor data, and the processor continues to sleep so that the energy storage capacitor stores the stored power and prepares for next tilt sampling.
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CN202210427617.6A CN114689026B (en) | 2022-04-22 | 2022-04-22 | Inclination sensor for passively detecting power cable |
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CN202210427617.6A CN114689026B (en) | 2022-04-22 | 2022-04-22 | Inclination sensor for passively detecting power cable |
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CN114689026B CN114689026B (en) | 2024-05-03 |
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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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