CN214657654U - Automatic drainage system of cable working well - Google Patents
Automatic drainage system of cable working well Download PDFInfo
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- CN214657654U CN214657654U CN202120077286.9U CN202120077286U CN214657654U CN 214657654 U CN214657654 U CN 214657654U CN 202120077286 U CN202120077286 U CN 202120077286U CN 214657654 U CN214657654 U CN 214657654U
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Abstract
The utility model discloses an overcome among the prior art cable worker well ponding can't in time get rid of, the cable is soaked for a long time and is easily produced the damage in ponding, and ponding can increase the cable and overhaul and the electrified degree of difficulty that detects in the worker well, increase the technical problem of activity duration cost and human cost, provide a cable worker well automatic drainage system, including the sump pit, be equipped with drainage device in the sump pit, the sump pit outside-in includes original soil horizon in proper order, backfill soil horizon, escape canal and interior border well, be equipped with the water storage layer in the backfill soil horizon, drainage device includes water pump and level sensor, the delivery port of water pump is connected with the one end of drain pipe, the other end of drain pipe extends to original soil horizon through the water storage layer, the water pump links to each other with the power, level sensor adjusts opening or closing of water pump through control circuit. But water pump automatic start carries out the drainage operation when water level surpasss the settlement threshold value in this application, and ponding in the worker well can in time be discharged.
Description
Technical Field
The utility model relates to a cable worker well technical field especially relates to a cable worker well automatic drainage system.
Background
The rainfall capacity of part of areas is large all year round, underground water resources are rich, most of high-voltage cable work wells have a serious water accumulation phenomenon, if a high-voltage cable runs in a water accumulation environment for a long time, the high-voltage cable enters water, the water tree aging phenomenon of the water inlet cable occurs under the action of an electromagnetic field, and finally the cable breakdown and power grid power failure are caused in the past, so that immeasurable economic loss is brought; meanwhile, the accumulated water in the cable work well can increase the difficulty of power-off maintenance and live detection of the cable, and greatly increase the operation time, personnel and cost.
Based on above-mentioned problem, chinese patent with application number CN201922396205.7 provides a cable worker well with intelligence drainage function, including electrical power generating system and drainage structure worker well, electrical power generating system includes photovoltaic board, dc-to-ac converter, control switch and bracing piece at least, drainage structure worker well is including filtering baffle, sump pit, water pump and drainage pipe at least, the upper portion installation of bracing piece the photovoltaic board, the lower part installation of bracing piece the dc-to-ac converter with control switch, control switch carries the power through insulated wire on the water pump.
The working well in the patent is linked with the sewage well through a water pipe, so that accumulated water in the urban electric power working well is discharged. The problem is that the opening and closing actions of the water pump need to be manually controlled by operators, namely, the drainage of a working well needs to be combined with a special plan or combined with projects such as cable maintenance and live detection; the arrangement of a special plan easily causes drainage delay and can not drain accumulated water in the well in time; engineering such as cable maintenance, electrified detection are combined and the well is opened artifical and is pumped, increase activity duration, personnel and cost by a wide margin on the one hand, on the other hand is unfavorable for developing operations such as maintenance.
Disclosure of Invention
The utility model discloses an it can't in time get rid of to overcome cable worker well ponding among the prior art, the cable is soaked for a long time and is easily produced the damage in ponding, and worker well ponding can increase the cable and overhaul and detect the degree of difficulty with electricity, increase the technical problem of activity duration cost and human cost, an automatic drainage system of cable worker well is provided, but the water pump automatic start carries out the drainage operation when the water level exceeds the settlement threshold value in the well, ponding in the worker well can in time be discharged, avoid the cable to produce structural damage because of soaking for a long time on the one hand, the life of extension cable, on the other hand reduces the cable and overhauls and detect the degree of difficulty with electricity, reduce activity duration cost and human cost.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model provides a cable worker well automatic drainage system, includes the sump pit, is equipped with drainage device in the sump pit, and sump pit outside-in includes original soil horizon, backfill soil layer, escape canal and interior edge well in proper order, is equipped with the water storage layer in the backfill soil layer, and drainage device includes water pump and level sensor, and the delivery port of water pump is connected with the one end of drain pipe, and the other end of drain pipe extends to original soil horizon through the water storage layer, and the water pump links to each other with the power, and level sensor adjusts opening or closing of water pump through control loop.
The cable is easy to generate accumulated water in a work well, the common drainage operation is usually combined with the operation requirement in the well at present, namely, a water pump is used for pumping water when the well opening requirement exists, and the problem is that the operation requirement in the work well is untimely, so that part of cables in the work well can be soaked in the accumulated water for a long time, the cable breakdown can be caused, the power grid is powered off, and the immeasurable economic loss is brought. The application provides a cable worker well automatic drainage system, level sensor carries out real-time supervision to the ponding height in the sump pit, compare the measurement value with the settlement threshold value in the control circuit, with opening or closing of corresponding control pump, when the measurement value is greater than the settlement threshold value, trigger control circuit, start the ponding of water pump in to the sump pit and take out the drainage operation, draw water and arrange to water storage layer through the wash port, connect to in rainwater well or the prefabricated catch basin on every side through drainage pipe at last. In this application, but the water pump automatic start carries out the drainage operation when the water level surpasses and sets for the threshold value in the well, and ponding in the worker well can in time be discharged, avoids the cable to produce structural damage because of soaking for a long time on the one hand, prolongs the life of cable, and on the other hand reduces the cable maintenance and the electrified degree of difficulty that detects, reduces activity duration cost and human cost.
Preferably, the control circuit comprises a high water level threshold H1 and a low water level threshold H2, the water level detected by the liquid level sensor is H, the water pump is in an operating state when H is larger than or equal to H1, and the water pump is turned off when H is smaller than H2. When H is larger than or equal to H1, the water pump performs water drainage operation, when H is smaller than H2, the water drainage operation of the water pump is stopped, and when the height of the water level in the water collecting well is transited from H2 to H1, the water drainage action of the water pump is not triggered.
Preferably, the drainage ditch comprises a water collection sump located at the bottom of the sump well, and the water pump is arranged in the water collection sump.
Preferably, the backfill soil layer comprises a first layered layer and a second layered layer, the first layered layer and the second layered layer are respectively positioned at the upper side and the lower side of the water storage layer, and the water storage layer is composed of broken stones.
Preferably, the drain pipe comprises a drainage section, a transition section and a drainage section in sequence, the transition section is embedded in the second sub-layer, the transition section extends along the height direction of the second sub-layer, the drainage section extends into the original soil layer through the water storage layer, and the drainage section is provided with a drainage hole. In the application, a water pump pumps water and discharges the water to a water storage layer through a water discharge hole, the water storage idea of a sponge city is used for reference, broken stones are used for laying water storage, and finally the water storage is connected to a peripheral rainwater well or a prefabricated water collecting ditch through a drainage pipeline.
Preferably, the power supply is a cable intelligent grounding box, and a solar panel is arranged in the cable intelligent grounding box. All possess cable intelligence grounding box among the current power system, this application adopts existing cable intelligence grounding box solar energy power supply mode.
Preferably, the liquid level sensor is a constant buoyancy type liquid level sensor.
To sum up, the utility model discloses following beneficial effect has: (1) the system can drain accumulated water in the cable work well in time, provide a reliable environment for the operation of the high-voltage cable, prolong the service life of the high-voltage cable and ensure the stable operation of a power grid; (2) compared with the traditional manual water pumping mode, the water pumping mode greatly saves the operation time and labor cost of high-voltage cable maintenance and the like, and improves the operation efficiency; (3) the existing solar power supply mode of the cable intelligent grounding box is adopted, no additional power supply is needed, and the configuration cost of the drainage system is greatly reduced.
Drawings
Fig. 1 is a plan view of the water collecting well of the present invention.
Fig. 2 is a cross-sectional view of the water collecting well of the present invention.
Fig. 3 is a different label from the same view of fig. 2.
Fig. 4 is a schematic diagram of a control loop according to the present invention.
In the figure:
the water-saving drainage system comprises an original soil layer 1, a backfill soil layer 2, a first layered layer 201, a second layered layer 202, a drainage ditch 3, an inner edge well 4, a water storage layer 5, a water pump 6, a drainage pipe 7, a drainage section 701, a transition section 702, a drainage section 703 and a water collecting tank 8;
i, an outer well edge, II and an inner well edge;
A. a water level float switch, wherein H1 (closed at high water level) and H2 (open at low water level);
KM1 is a relay.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 4, an automatic drainage system for a cable working well comprises a water collecting well, wherein a drainage device is arranged in the water collecting well, the water collecting well sequentially comprises an original soil layer 1, a backfill soil layer 2, a drainage ditch 3 and an inner edge well 4 from outside to inside, a water storage layer 5 is arranged in the backfill soil layer, the drainage device comprises a water pump 6 and a liquid level sensor, a water outlet of the water pump is connected with one end of a drainage pipe 7, the other end of the drainage pipe extends to the original soil layer through the water storage layer, the water pump is connected with a power supply, and the liquid level sensor adjusts the opening or closing of the water pump through a control loop; the control loop comprises a high water level threshold H1 and a low water level threshold H2, the water level height detected by the liquid level sensor is H, the water pump is in a working state when H is larger than or equal to H1, and the water pump is closed when H is smaller than H2; the drainage ditch comprises a water collecting tank 8, the water collecting tank is positioned at the bottom of the water collecting well, and the water pump is arranged in the water collecting tank; the backfill soil layer comprises a first layered layer 201 and a second layered layer 202, the first layered layer and the second layered layer are respectively positioned at the upper side and the lower side of the water storage layer, and the water storage layer is composed of broken stones; the drainage pipe sequentially comprises a drainage section 701, a transition section 702 and a drainage section 703, the transition section is embedded in the second sub-layer, the transition section extends along the height direction of the second sub-layer, the drainage section extends into the original soil layer through the water storage layer, and the drainage section is provided with a drainage hole; the power supply is a cable intelligent grounding box, and a solar panel is arranged in the cable intelligent grounding box; the liquid level sensor is a constant buoyancy type liquid level sensor.
As shown in figure 1, the end part of the water collecting well is of a reversed-square structure and comprises an outer well edge I and an inner well edge II from outside to inside, and a drainage ditch is arranged between the outer well edge and the inner well edge. As shown in fig. 2, the outermost layer of the cross section of the water collecting well is an original soil layer, a drainage ditch is arranged in the water collecting well, a backfill soil layer is arranged between the drainage ditch and the original soil layer, the drainage ditch comprises a water collecting tank positioned at the bottom of the water collecting well, a water pump is positioned in the water collecting tank, a water outlet of the water pump is connected with the left end of a drainage pipe, the drainage pipe sequentially comprises a drainage section, a transition section and a drainage section from left to right, the drainage section and the drainage section are horizontally arranged, the transition section is vertically arranged, a water storage layer is arranged in the backfill soil layer, the left half section of the drainage section is positioned in the water storage layer, the right half section of the drainage section is positioned in the original soil layer, the water storage layer is positioned above the water collecting tank, the backfill soil layer comprises a first layering and a second layering, and the first layering and the second layering are respectively positioned at the upper side and the lower side of the water storage layer.
In the application, the liquid level sensor detects that the height of the water level in the water collecting well is H, the control loop comprises a high water level threshold H1 and a low water level threshold H2, when H is larger than or equal to H1, the water pump performs water discharging operation, when H is smaller than H2, the water discharging operation of the water pump is stopped, and when the height of the water level in the water collecting well is transited from H2 to H1, the water discharging action of the water pump is not triggered. When the water level is higher than the set threshold value, a control loop is triggered, a water suction pump is started, water is sucked and drained to a water storage layer through a drain hole, and finally the water suction pump is connected to a peripheral rainwater well or a prefabricated water collecting ditch through a drainage pipeline, and the water pump supplies power by adopting a solar power supply mode of an existing cable intelligent grounding box. The system can drain accumulated water in the cable work well in time, provide a reliable environment for the operation of the high-voltage cable, prolong the service life of the high-voltage cable and ensure the stable operation of a power grid; in addition, this application compares with the artifical mode of drawing water of tradition and has practiced thrift operating time such as high tension cable maintenance, human cost greatly, improves the operating efficiency.
Claims (7)
1. The utility model provides a cable worker well automatic drainage system, includes the sump pit, its characterized in that, be equipped with drainage device in the sump pit, the sump pit outside-in includes original soil horizon, backfill soil layer, escape canal and interior edge well in proper order, be equipped with the water storage layer in the backfill soil horizon, drainage device includes water pump and level sensor, the delivery port of water pump is connected with the one end of drain pipe, the other end of drain pipe extends to original soil horizon through the water storage layer, the water pump links to each other with the power, level sensor adjusts opening or closing of water pump through control loop.
2. The automatic drainage system for a cable work well according to claim 1, wherein the control circuit comprises a high water level threshold H1 and a low water level threshold H2, the water level detected by the liquid level sensor is H, the water pump is in an operating state when H is greater than or equal to H1, and the water pump is turned off when H is less than H2.
3. The automatic drainage system for a cable work well according to claim 1, wherein the drainage ditch comprises a water collection tank, the water collection tank is positioned at the bottom of the water collection well, and the water pump is arranged in the water collection tank.
4. The automatic drainage system for a cable work well according to claim 1, wherein the backfill layer comprises a first layer and a second layer, the first layer and the second layer are respectively located at the upper side and the lower side of the water storage layer, and the water storage layer is made of crushed stone.
5. The automatic drainage system of a cable work well according to claim 4, wherein the drainage pipe comprises a drainage section, a transition section and a drainage section in sequence, the transition section is embedded in the second sub-layer, the transition section extends along the height direction of the second sub-layer, the drainage section extends into the original soil layer through the water storage layer, and the drainage section is provided with a drainage hole.
6. The automatic drainage system for cable work wells according to claim 1, 2, 3 or 4, wherein the power source is a cable intelligent grounding box, and a solar panel is arranged in the cable intelligent grounding box.
7. The automatic drainage system for a cable work well according to claim 1, 2, 3 or 4, wherein the liquid level sensor is a constant buoyancy type liquid level sensor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120077286.9U CN214657654U (en) | 2021-01-12 | 2021-01-12 | Automatic drainage system of cable working well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120077286.9U CN214657654U (en) | 2021-01-12 | 2021-01-12 | Automatic drainage system of cable working well |
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| CN214657654U true CN214657654U (en) | 2021-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746664A (en) * | 2021-01-12 | 2021-05-04 | 嘉兴市恒光电力建设有限责任公司 | Automatic drainage system of cable working well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746664A (en) * | 2021-01-12 | 2021-05-04 | 嘉兴市恒光电力建设有限责任公司 | Automatic drainage system of cable working well |
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