CN212409624U - Transformer substation horizontal displacement monitoring system based on laser ranging technology - Google Patents
Transformer substation horizontal displacement monitoring system based on laser ranging technology Download PDFInfo
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- CN212409624U CN212409624U CN202021127410.XU CN202021127410U CN212409624U CN 212409624 U CN212409624 U CN 212409624U CN 202021127410 U CN202021127410 U CN 202021127410U CN 212409624 U CN212409624 U CN 212409624U
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Abstract
The utility model discloses a transformer substation horizontal displacement monitoring system based on laser ranging technology, which comprises a field monitoring unit, a power supply unit, an acquisition unit, network communication equipment and a computer terminal, wherein the field monitoring unit comprises more than one laser displacement sensor, more than one target plate and more than one observation pier, the more than one target plate is arranged on a monitored object, the laser displacement sensor is arranged on the observation pier, and the observation pier is buried in a stable area; the laser displacement sensor emits red laser to a target plate on the surface of the monitored object, and the reflected laser is received by the laser displacement sensor; the system can realize high-precision horizontal displacement automatic monitoring and early warning, improve the automation level of transformer substation horizontal displacement monitoring and evaluation, and ensure the safe operation of the transformer substation.
Description
Technical Field
The utility model relates to a horizontal displacement monitoring system of transformer substation based on laser rangefinder technique.
Background
The transformer substation is an important component of a power grid system, is a power facility for converting voltage, receiving and distributing electric energy, controlling the flow direction of electric power and adjusting voltage in a power system, and connects power grids of various levels of voltage through transformers of the power facility.
Whether the transformer substation foundation is stable or not directly affects the safety of transformer substation facilities, and most transformer substations in mountain areas have engineering risks of slope stability, uneven settlement of weak foundations and the like, and abundant rainwater easily induces landslide, collapse and debris flow geological disasters particularly in mountain areas in the south of China. Therefore, it is necessary to monitor the horizontal displacement of the foundation and facilities of the transformer substation, and the potential hazards of geological disasters can be found in time, so that basic data can be provided for safe operation of the transformer substation.
The current transformer substation horizontal displacement monitoring method and means mainly comprise a total station method, a GNSS method, a differential interferometry (D-InSAR) technology, a three-dimensional laser scanning technology and the like. The measuring method mainly comprises the steps of measuring the three-dimensional coordinates of monitoring points, comparing the measuring results of different periods with initial values, and calculating corresponding coordinate differences to obtain displacement values corresponding to different periods.
The total station method and the GNSS method have moderate equipment price, are more applied to the monitoring of the horizontal displacement of the transformer substation, but have the measurement precision of 2-5mm, and only meet the requirement of the measurement precision of second-order or third-order horizontal displacement; while the precision of InSAR and three-dimensional laser scanning technologies can reach 1mm, the high equipment price thereof makes popularization difficult.
Therefore, a new horizontal displacement measurement method is needed, which has the advantages of high precision, convenience in installation, high cost performance and the like, so as to meet the requirement of monitoring the horizontal displacement of the transformer substation and protect the safe operation of the transformer substation.
Disclosure of Invention
The utility model provides a horizontal displacement monitoring system suitable for a transformer substation based on the laser ranging technology, which can realize the real-time monitoring and early warning of the horizontal displacement of the transformer substation; the monitoring system can effectively improve the automation level of monitoring and evaluating the horizontal displacement of the transformer substation, and can provide basic data for the safe operation of the transformer substation.
The laser ranging principle of the system is as follows: a laser transmitter in the laser displacement sensor emits visible red laser to the surface of a monitored object (a target plate) through a lens, the laser reflected by the object passes through a receiver lens of the laser displacement sensor and is received by a CCD linear camera in the laser displacement sensor, and the CCD linear camera can 'see' the light spot at different angles according to different distances; based on this angle and the known distance between the laser and the camera, the digital signal processor can calculate the distance between the sensor and the object to be measured.
The utility model discloses transformer substation horizontal displacement monitoring system based on laser rangefinder technique includes on-the-spot monitoring unit, power supply unit, acquisition unit, network communication equipment, computer terminal, wherein the on-the-spot monitoring unit includes more than one laser displacement sensor, more than one target board, more than one observation mound, more than one target board sets up on the object to be monitored, laser displacement sensor sets up on observing the mound, observes the mound and buries underground in stable area; the laser displacement sensor emits red laser to a target plate on the surface of the monitored object, and the reflected laser is received by the laser displacement sensor; the laser displacement sensor is connected with the acquisition unit, the acquisition unit is connected with the computer terminal through network communication equipment, and the power supply unit is connected with the laser displacement sensor and the acquisition unit respectively.
The power supply unit is a solar battery or a 220V alternating current power supply.
The network communication equipment is 4G/5G wireless network equipment or wired network equipment.
The computer terminal is a desktop computer or a notebook computer.
The computer terminal is used for calculating the data acquired by the acquisition unit from the laser displacement sensor into the distance between the laser displacement sensor and the monitored object; and the decision module is used for comparing the monitoring data calculated by the data management module with the initial value of the horizontal displacement of the monitored object and giving an early warning prompt.
The implementation of the above system is as follows:
1. arranging a target plate on a monitored object according to monitoring design requirements, embedding an observation pier in a stable area, and mounting a laser displacement sensor on the observation pier;
2. debugging each monitored object and the corresponding laser displacement sensor, and summarizing the monitored objects and the corresponding laser displacement sensors to form a field monitoring unit after the debugging is qualified;
3. the method comprises the steps of completing the integral debugging of the transformer substation horizontal displacement monitoring system, collecting and determining the initial horizontal displacement value of each monitored object, storing the initial horizontal displacement value in a computer terminal, setting an early warning value, and formally starting the transformer substation horizontal displacement monitoring system;
4. collecting data received by a laser displacement sensor through a collecting unit, transmitting the data to a computer terminal through network communication equipment, compiling to obtain a current displacement value, a displacement rate and an accumulated displacement value, and judging whether the current test value exceeds a corresponding early warning value;
5. if the compiling result does not reach the corresponding early warning value, the compiling result is stored in a database of the computer terminal, and a user can log in for inquiry and download;
6. if the compiling result exceeds the corresponding early warning value, the computer terminal issues early warning, and early warning information is sent to related personnel in a client side, a mobile phone short message and other modes;
7. repeating the working process of 4-6 by the transformer substation horizontal displacement monitoring system at different periods;
8. and browsing information, inquiring data and issuing information in the transformer substation horizontal displacement monitoring system according to the requirement.
The implementation method of the transformer substation horizontal displacement monitoring system based on the laser ranging technology is completely described in the above process, and real-time monitoring and early warning of transformer substation horizontal displacement monitoring can be realized.
The utility model discloses horizontal displacement monitoring system of transformer substation based on laser rangefinder technique can realize the automatic monitoring of horizontal displacement of high accuracy and early warning; by implementing the monitoring method, the automation level of monitoring and evaluating the horizontal displacement of the transformer substation can be improved, and the safe operation of the transformer substation is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the system of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples, without limiting the scope of the invention to the details.
Example 1: as shown in fig. 1, the transformer substation horizontal displacement monitoring system based on the laser ranging technology comprises a field monitoring unit, a power supply unit, an acquisition unit, network communication equipment and a computer terminal, wherein the field monitoring unit comprises 5 laser displacement sensors, 5 target plates and 5 observation piers, the 5 target plates are respectively arranged on different parts of a monitored object, the laser displacement sensors are arranged on the observation piers, the observation piers are buried in a stable area, and each laser displacement sensor corresponds to one target plate; the laser displacement sensor emits red laser to a target plate on the surface of the monitored object, and the reflected laser is received by the laser displacement sensor; the laser displacement sensor is connected with the acquisition unit, the acquisition unit is connected with the computer terminal through network communication equipment, and the power supply unit is respectively connected with the laser displacement sensor and the acquisition unit; the power supply unit is a solar battery; the network communication equipment is 4G/5G wireless network equipment, and the computer terminal is a desktop computer;
the implementation of the above system is as follows:
1. arranging a target board on a monitored substation, embedding an observation pier in a stable area, and mounting a laser displacement sensor on the observation pier;
2. debugging each monitored object and the corresponding laser displacement sensor, and summarizing the monitored objects and the corresponding laser displacement sensors to form a field monitoring unit after the debugging is qualified;
3. after the whole debugging of the transformer substation horizontal displacement monitoring system is completed, acquiring and determining horizontal displacement initial values of all monitoring target boards, storing the horizontal displacement initial values in a computer terminal, setting an early warning value, and formally starting the transformer substation horizontal displacement monitoring system;
4. collecting data received by a laser displacement sensor through a collecting unit, transmitting the data to a computer terminal through network communication equipment, compiling to obtain a current displacement value, a displacement rate and an accumulated displacement value, and judging whether the current test value exceeds a corresponding early warning value;
5. if the compiling result does not reach the corresponding early warning value, the compiling result is stored in a database of the computer terminal, and a user can log in for inquiry and download;
6. if the compiling result exceeds the corresponding early warning value, the computer terminal issues early warning, and early warning information is sent to related personnel in a client side, a mobile phone short message and other modes;
7. and the transformer substation horizontal displacement monitoring system regularly repeats the working process of 4-6 to complete the real-time monitoring and early warning of the transformer substation horizontal displacement monitoring.
Claims (3)
1. The utility model provides a horizontal displacement monitoring system of transformer substation based on laser rangefinder technique which characterized in that: the system comprises a field monitoring unit, a power supply unit, an acquisition unit, network communication equipment and a computer terminal, wherein the field monitoring unit comprises more than one laser displacement sensor, more than one target plate and more than one observation pier, the more than one target plate is arranged on a monitored object, the laser displacement sensor is arranged on the observation pier, and the observation pier is buried in a stable area; the laser displacement sensor emits red laser to a target plate on the surface of the monitored object, and the reflected laser is received by the laser displacement sensor; the laser displacement sensor is connected with the acquisition unit, the acquisition unit is connected with the computer terminal through network communication equipment, and the power supply unit is connected with the laser displacement sensor and the acquisition unit respectively.
2. The substation horizontal displacement monitoring system based on the laser ranging technology of claim 1, wherein: the power supply unit is a solar battery or a 220V alternating current power supply.
3. The substation horizontal displacement monitoring system based on the laser ranging technology of claim 1, wherein: the network communication equipment is 4G/5G wireless network equipment or wired network equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021127410.XU CN212409624U (en) | 2020-06-17 | 2020-06-17 | Transformer substation horizontal displacement monitoring system based on laser ranging technology |
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| CN202021127410.XU CN212409624U (en) | 2020-06-17 | 2020-06-17 | Transformer substation horizontal displacement monitoring system based on laser ranging technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184742A (en) * | 2022-05-06 | 2022-10-14 | 宁波送变电建设有限公司 | Optical monitoring angle measuring instrument for transformer substation |
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2020
- 2020-06-17 CN CN202021127410.XU patent/CN212409624U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115184742A (en) * | 2022-05-06 | 2022-10-14 | 宁波送变电建设有限公司 | Optical monitoring angle measuring instrument for transformer substation |
| CN115184742B (en) * | 2022-05-06 | 2024-06-04 | 宁波送变电建设有限公司 | Optical monitoring angle measuring instrument for transformer substation |
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