CN221055725U - Transformer substation geogrid side slope monitoring system - Google Patents
Transformer substation geogrid side slope monitoring system Download PDFInfo
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- CN221055725U CN221055725U CN202322859838.3U CN202322859838U CN221055725U CN 221055725 U CN221055725 U CN 221055725U CN 202322859838 U CN202322859838 U CN 202322859838U CN 221055725 U CN221055725 U CN 221055725U
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- monitoring system
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Abstract
The utility model discloses a substation geogrid slope monitoring system which comprises a photovoltaic power generation device which is horizontally paved on a reinforced soil slope, a geogrid which is arranged on the reinforced soil slope, a plurality of strain gauges which are arranged along the geogrid at intervals, the strain gauges collect strain signals and then transmit the strain signals to a data acquisition device, the data acquisition device stores the collected strain signals, analyzes the strain signals and judges whether the reinforced soil slope is deformed, and the photovoltaic power generation device supplies power for the data acquisition device. The strain gauge is arranged on the geogrid for reinforcing the side slope, and the strain gauge signal is transmitted to the data acquisition device through the signal cable, and the data acquisition device judges whether the side slope is deformed according to the received signal. The system can effectively utilize the natural lighting angle of the high-fill side slope of the transformer substation, is simple and convenient to construct and has low installation and maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of side slope engineering, and particularly relates to a substation geogrid side slope monitoring system.
Background
With the increasing shortage of urban land in recent years, the sites of the transformer substations are closer to mountain areas, and the conditions of high filling and high excavation are more common. Aiming at the conditions of high filling and high excavation, the deformation monitoring work of the side slope is needed to be done, and the deformation monitoring of the reinforced soil high side slope of the transformer substation at present mainly carries out irregular manual monitoring through theodolites, level gauges, crack observers and the like, and an automatic data acquisition system is not adopted on a large scale temporarily. The theodolite, the level gauge, the crack observer and the like are manually used for regular monitoring, on one hand, due to the vision error of manual measurement, the accuracy of the reading is easy to achieve, the manual reading is greatly influenced by factors such as responsibility feeling and experience of operators, and on the other hand, the difference of accuracy exists among different devices of the same type during measurement. Thus, current monitoring schemes are generally not accurate for deformation data collection of high-fill side slopes of a substation.
The Chinese patent with the publication number of CN204924195U discloses a soil slope surface deformation monitoring system, which comprises a strain sensing optical cable, a temperature compensation optical cable, an optical cable modem, a PVC pipe, a groove, fine grain filling and backfilling soil; the grooves are dug and arranged on the slope surface in a grid shape, and a strain sensing optical cable and a temperature compensation optical cable can be paved in the grooves; the temperature compensation optical cable is pre-penetrated into a PVC pipe; the optical cable modem is respectively connected with the strain sensing optical cable and the temperature compensation optical cable, and acquires the deformation and temperature data of the soil body on the slope surface; the bottom and the upper part of the groove are sequentially filled with fine-grained filled soil and backfill soil. The strain sensing optical cable used in the scheme is complex to install and maintain, so that the cost and the maintenance difficulty of the monitoring system are high.
In addition, the existing transformer substation high-fill side slope has a natural lighting angle, is generally planted green, and cannot be effectively utilized.
Disclosure of utility model
The utility model provides a monitoring system for a geogrid slope of a transformer substation, which aims to solve the problems of complex installation and maintenance and high cost in the prior art and effectively utilizes the natural lighting angle of a high-fill slope of the transformer substation.
In order to solve the technical problems, the monitoring system provided by the utility model comprises a photovoltaic power generation device which is horizontally paved on the slope of the reinforced soil slope, a geogrid which is arranged on the reinforced soil slope, a plurality of strain gauges which are arranged along the geogrid at intervals, the strain gauges collect strain signals and then transmit the strain signals to a data acquisition device, the data acquisition device stores the collected strain signals, analyzes the strain signals and judges whether the reinforced soil slope is deformed, and the photovoltaic power generation device supplies power for the data acquisition device through a grid-connected inverter.
Preferably, the photovoltaic power generation device further provides power for a substation operation and maintenance center through a grid-connected inverter.
Preferably, the data acquisition device is also connected with a data transmission device, and the strain signals and the slope deformation results stored by the data acquisition device are sent to a remote control center through the data transmission device.
Preferably, the communication mode between the data transmission device and the remote control center comprises a cellular network and an electric power comprehensive data network.
Preferably, the body of the strain gauge is coated with a waterproof coating for isolating groundwater from the body of the strain gauge.
Preferably, both sides of the strain gauge are covered with a strain gauge protection device.
Preferably, the strain gauge protection device comprises a protection device base and a protection device upper portion which are mutually attached, a groove for accommodating the geogrid and the signal wire is formed in the upper surface of the protection device base, and a concave portion for accommodating the strain gauge is formed in the lower surface of the protection device upper portion.
Preferably, the recess is filled with a thermal insulation material.
Preferably, a cable or an optical fiber is adopted between the strain gauge and the data acquisition device to transmit signals.
Compared with the prior art, the utility model has the following technical effects:
1. The monitoring system provided by the utility model comprises a photovoltaic power generation device which is horizontally paved on the slope of the reinforced soil slope, a geogrid which is arranged on the reinforced soil slope, a plurality of strain gauges which are arranged along the geogrid at intervals, and a data acquisition device which is used for transmitting the strain signals after the strain gauges acquire the strain signals. And arranging strain gages on the geogrid for reinforcing the side slope, transmitting the strain gage signals to the data acquisition device through the signal cable, and judging whether the side slope is deformed or not by the data acquisition device according to the received signals. The system has the advantages of simple construction and low installation and maintenance cost.
2. According to the monitoring system provided by the utility model, the condition that the slope ratio of the reinforced soil high-fill side slope of the transformer substation is slower is generally set, the photovoltaic panel is matched and installed on the side slope according to local conditions, the natural lighting angle of the high-fill side slope of the transformer substation is effectively utilized, and the photovoltaic panel is used for supplying power to the data acquisition device and other devices.
3. The monitoring system provided by the utility model is also provided with the grid-connected inverter, and the photovoltaic panels can be arranged more because of larger area of the reinforced soil side slope of the transformer substation, so that the grid-connected inverter is used for providing the surplus electric energy of the photovoltaic panels for the electricity consumption of life production of operation and maintenance buildings and guard rooms in the transformer substation, and the operation cost of the transformer substation is reduced.
4. The monitoring system provided by the utility model is also provided with the data transmission device, and the strain signals and the side slope deformation results stored by the data acquisition device are transmitted to the remote control center through the data transmission device, so that the remote control center can conveniently perform unified management and emergency response on the side slope monitoring of the transformer substation.
5. The strain gauge of the monitoring system provided by the utility model is provided with the protection device, so that effective protection is provided for fragile strain, the service life of the strain gauge is prolonged, and the maintenance cost of the monitoring system is further reduced.
6. The strain gauge body of the monitoring system provided by the utility model is coated with the waterproof coating for isolating groundwater from the body of the strain gauge, so as to protect the strain gauge which is easily affected by humidity, corrosion and environmental factors, and the waterproof coating can protect the strain gauge from being affected by humidity and moisture, thereby prolonging the service life of the strain gauge.
Drawings
FIG. 1 is a schematic diagram of a monitoring system according to the present utility model;
FIG. 2 is a schematic view of the appearance of a substation slope according to an embodiment of the present utility model;
Fig. 3 is a schematic view of a strain gage protection device according to an embodiment of the utility model.
Reference numerals: 1. reinforced soil side slope; 2. a photovoltaic power generation device; 3. geogrid; 4. a strain gage; 5. a data acquisition device; 6. a data transmission device; 7. grid-connected inverter; 8. the transformer substation operation and maintenance center; 9. a remote control center; 10. a protective device base; 11. the upper part of the protection device; 12. a recess.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in conjunction with specific embodiments of the present utility model.
A monitoring system of a geogrid side slope of a transformer substation is shown in figure 1, and comprises a photovoltaic power generation device 2 which is horizontally paved on the inclined surface of a reinforced soil side slope 1, a geogrid 3 which is arranged on the reinforced soil side slope 1, a plurality of strain gauges 4 which are arranged at intervals along the geogrid 3, and the strain gauges 4 collect strain signals and then transmit the strain signals to a data acquisition device 5, and because the strain gauges 4 are large in number and wide in distribution, the embodiment prefers optical fibers to transmit the strain signals, and can be simplified into one path or a plurality of paths of optical signals to carry out data summarization to the data acquisition device 5; the data acquisition device 5 stores the acquired strain signals, analyzes the strain signals and judges whether the reinforced soil slope 1 deforms, and the photovoltaic power generation device 2 supplies power to the data acquisition device 5 through the grid-connected inverter 7.
The photovoltaic power generation device 2 also provides power for a substation operation and maintenance center 8 through a grid-connected inverter 7. The operation cost of the transformer substation can be reduced by providing the redundant electric energy for the living electricity requirements of the operation building and the guard room in the transformer substation. The deployment of the photovoltaic power generation apparatus 2 is shown in fig. 2.
The data acquisition device is also connected with a data transmission device 6, and strain signals and side slope deformation results stored by the data acquisition device 5 are sent to a remote control center 9 through the data transmission device 6. The strain signals and the slope deformation results stored by the data acquisition device 5 are sent to the remote control center 9 through the data transmission device 6, so that the remote control center 9 can conveniently perform unified management and emergency response on the slope monitoring of the transformer substation.
The communication mode between the data transmission device 6 and the remote control center 9 comprises a cellular network and an electric power comprehensive data network.
The body of the strain gauge 4 is coated with a waterproof paint for isolating groundwater from the body of the strain gauge 4.
Because the strain gauge 4 is fragile, a protection device is needed to be manufactured, and soil particles are prevented from directly contacting the strain gauge 4. As shown in fig. 3, the strain gauge 4 is covered with strain gauge protection devices on both sides, so that the service life of the strain gauge 4 can be prolonged, and the maintenance cost of the monitoring system can be further reduced. The strain gauge protection device comprises a protection device base 10 and a protection device upper portion 11 which are mutually attached, a groove for accommodating the geogrid 3 and the signal wires is formed in the upper surface of the protection device base 10, a concave portion 12 for accommodating the strain gauge 4 is formed in the lower surface of the protection device upper portion 11, and the purpose of the concave portion 12 is to prevent the upper portion 11 of the protection device from directly contacting the strain gauge 4 to cause overlarge measurement signal errors. The concave part 12 is filled with heat-insulating materials such as rock wool, polyurethane foam or glass wool, so that when the strain gauge 4 works under extreme temperature conditions, the temperature can be effectively stabilized, the influence of performance fluctuation of the strain gauge 4 is relieved, and the measurement accuracy is improved.
The strain gauge 4 and the data acquisition device 5 adopt cables or optical fibers to transmit signals, and can be simplified into one or more paths of optical signals or electric signals to transmit data to the data acquisition device 5 in a summarizing way.
The monitoring system according to the present embodiment is deployed on a reinforced earth slope by the following method:
1. firstly, when a reinforced soil slope is constructed, strain gauges 4 are stuck on a geogrid 3 at fixed intervals, and as the strain gauges 4 are fragile, protection measures are taken, and the protection measures of the embodiment are that strain gauge protection devices 10 are arranged on two sides of the strain gauges 4;
2. The strain gauge 4 is connected to the data acquisition device 5 through a wire for data summarization, strain signals generated by the strain gauge 4 are transmitted to the data acquisition device 5 through the wire, and the data acquisition device 5 analyzes and processes the received signals;
3. The data acquisition device 5 sends the stored data to the remote control center 9 through the data transmission device 6, wherein the stored data comprises a strain signal of the strain gauge 4 and judgment of the slope deformation by the data acquisition device 5;
4. A photovoltaic panel is arranged on the reinforced soil slope to generate electricity for the data acquisition device 5 and the data transmission device 6;
5. And a grid-connected inverter 7 is arranged to invert the redundant electric energy provided by the photovoltaic equipment to an operation and maintenance center 8 and a guard room in the transformer substation so as to meet the electricity demand of the living production in the transformer substation.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.
Claims (9)
1. The utility model provides a geogrid side slope monitoring system of transformer substation, its characterized in that, including flat layout place in geogrid (3) on the slope of reinforced soil side slope (1), set up in reinforced soil side slope (1), follow geogrid (3) distance has arranged a plurality of foil gage (4), transmission to data acquisition device (5) behind foil gage (4) collection strain signal, data acquisition device (5) preserve the strain signal of gathering, to the strain signal carries out the analysis, judges whether reinforced soil side slope (1) takes place to warp, photovoltaic power generation device (2) are through grid-connected inverter (7) power supply for data acquisition device (5).
2. A substation geogrid slope monitoring system according to claim 1, characterized in that the photovoltaic power generation device (2) also provides power to a substation operation and maintenance center (8) through a grid-connected inverter (7).
3. The substation geogrid side slope monitoring system according to claim 1, wherein the data acquisition device (5) is further connected with a data transmission device (6), and strain signals and side slope deformation results stored by the data acquisition device (5) are sent to a remote control center (9) through the data transmission device (6).
4. A substation geogrid slope monitoring system according to claim 3, characterized in that the communication means of the data transmission means (6) with the remote control center (9) comprises a cellular network, an electric integrated data network.
5. A substation geogrid slope monitoring system according to claim 1, characterized in that the body of the strain gauge (4) is coated with a waterproof coating for isolating groundwater from the body of the strain gauge (4).
6. A substation geogrid slope monitoring system according to claim 1 or 5, characterized in that the strain gauge (4) is covered on both sides with strain gauge protection means.
7. The substation geogrid slope monitoring system according to claim 6, characterized in that the strain gauge protection device comprises a protection device base (10) and a protection device upper portion (11) which are mutually attached, a groove for accommodating the geogrid (3) and the signal line is formed in the upper surface of the protection device base (10), and a concave portion (12) for accommodating the strain gauge (4) is formed in the lower surface of the protection device upper portion (11).
8. A substation geogrid slope monitoring system according to claim 7, characterized in that the recess (12) is filled with a thermal insulation material.
9. A substation geogrid slope monitoring system according to claim 1, characterized in that a cable or optical fiber is used between the strain gauge (4) and the data acquisition device (5) for transmitting signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859838.3U CN221055725U (en) | 2023-10-24 | 2023-10-24 | Transformer substation geogrid side slope monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859838.3U CN221055725U (en) | 2023-10-24 | 2023-10-24 | Transformer substation geogrid side slope monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN221055725U true CN221055725U (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322859838.3U Active CN221055725U (en) | 2023-10-24 | 2023-10-24 | Transformer substation geogrid side slope monitoring system |
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| Country | Link |
|---|---|
| CN (1) | CN221055725U (en) |
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2023
- 2023-10-24 CN CN202322859838.3U patent/CN221055725U/en active Active
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