CN108565813A - Cable duct drainage system and cable duct - Google Patents

Abstract

The present invention relates to the technical field of electric equipment, in particular to a cable trench drainage system and a cable trench. The cable trench drainage system includes: a pumping device, a water level gauge and a control device; both the pumping device and the water level gauge extend into the cable trench body Bottom; the length direction of the water level gauge is consistent with the height direction of the cable trench body, and a low level detection point and a high level detection point are set on the water level gauge. When the water level of the cable trench body is higher than the high level detection point, the water level gauge transmits a signal to the control device , the control device controls the pumping device to open, when the water level of the cable trench body is lower than the low level detection point, the water level gauge sends a signal to the control device, and the control device controls the pumping device to close. The system solves the technical problems of slow drainage in the cable trench, requiring staff to inspect the site and realize manual drainage after rain, consuming manpower and material resources, high cost, and low efficiency.

Description

Cable trench drainage system and cable trench

technical field

The invention relates to the technical field of electric equipment, in particular to a cable trench drainage system and a cable trench.

Background technique

Cable trench is an underground pipeline used to place and protect cable facilities, and is an indispensable infrastructure in power plants, substations, municipal engineering and large factories and mines. However, due to terrain or design factors, it is easy to accumulate water in the cable trench during heavy rain or rainy season. If the water level is too high, the cables in the cable trench will be soaked in water for a long time and corroded, which will not only damage the insulation of the cable, but also affect its In severe cases, it will also cause bursting due to water ingress in the cable.

The drainage speed of the existing cable trench drainage system is slow. After the rain, the staff needs to go to the site to inspect and realize manual drainage, which consumes manpower and material resources, high cost and low efficiency.

Contents of the invention

The purpose of the present invention is to provide a cable ditch drainage system to solve the technical problems that the drainage speed of the cable ditch drainage system is slow, and workers need to go to the site to inspect and realize manual drainage after rain, which consumes manpower and material resources, high cost and low efficiency. .

The cable ditch drainage system provided by the present invention includes: a pumping device, a water level gauge and a control device for controlling the opening and closing of the pumping device;

Both the pumping device and the water level gauge extend into the bottom of the cable trench body, and the pumping device and the water level gauge are respectively electrically connected to the control device;

The length direction of the water level gauge is consistent with the height direction of the cable trench body, and a low level detection point and a high level detection point are set on the water level gauge, when the water level of the cable trench body is higher than the high level detection point , the water level gauge transmits a signal to the control device, and the control device controls the pumping device to open, and when the water level of the cable trench body is lower than the low level detection point, the water level gauge transmits a signal to the control device, The control device controls the pumping device to be closed.

In the above technical solution, further, the cable trench drainage system further includes a trigger alarm for reminding the staff that the water level in the cable trench body is higher than the high level detection point, and the trigger alarm is connected with the The control device is electrically connected.

In any of the above technical solutions, further, the triggering alarm can send the information that the water level has reached the high level detection point to the staff's mobile phone.

In any of the above technical solutions, further, the position of the pumping device corresponds to the position of the water level gauge.

In any of the above technical solutions, further, both the pumping device and the water level gauge extend into the lowest end of the cable trench body.

In any of the above technical solutions, further, the water pumping device includes a water pipe, a water pump and a drain pipe;

One end of the water suction pipe extends into the bottom wall of the cable trench body, and the other end of the water suction pipe communicates with the water pump and the drain pipe in turn, and the water pump is arranged outside the cable trench body. The water pump is electrically connected with the control device.

In any of the above technical solutions, further, the water level gauge is a float type water level gauge.

Compared with the prior art, the present invention has the beneficial effects:

In the cable ditch drainage system provided by the present invention, the pumping device and the water level gauge are inserted into the bottom of the cable ditch body, the water level gauge is used to detect the water level change of the cable ditch body, and the water level gauge is provided with low-level detection points and high-level detection points. When it rains or snows, so that water accumulates in the cable trench body, and the water level of the cable trench body is higher than the position of the high level detection point, the water level gauge transmits the signal to the control device, and the control device controls the pumping device to open. The cable trench body pumps water to reduce the water volume inside the cable trench body. When the water level drops to the low level detection point, the water level gauge transmits the signal to the control device, and the control device controls the pumping device to close and stop pumping.

In the present invention, the water pumping device can quickly pump water to the cable trench body, which improves the efficiency of drainage, reduces the soaking time of the cable in water, and slows down the corrosion of the cable surface, thereby reducing the cost of the cable. The damage of insulation prolongs the service life of the cable, makes it safer to use, and improves work efficiency; in addition, the water level gauge detects the water level change of the cable trench body through the low-level detection point and the high-level detection point, and transmits the signal to The control device, the control device controls the opening and closing of the pumping device, and the use is more automatic, which reduces the workload and physical exertion of the staff, and also reduces the cost.

The purpose of the present invention is to provide a cable ditch to solve the technical problems of slow drainage speed of the cable ditch drainage system, requiring workers to inspect the site and realize manual drainage after rain, consuming manpower and material resources, high cost and low efficiency.

The cable trench provided by the present invention includes: a cable trench body and the cable trench drainage system, and the cable trench drainage system is arranged in the cable trench.

In any of the above technical solutions, further, the cable trench further includes a cover plate, and the cover plate is opened and closed at the opening of the cable trench body.

In any of the above technical solutions, further, multiple rows of bridges for placing cables are arranged on the two opposite side walls of the cable trench body, and each row of bridges is arranged along the length direction of the cable trench body; and the bottom layer The bridge frame is higher than the bottom of the cable trench body.

Compared with the prior art, the present invention has the beneficial effects:

In the cable trench provided by the present invention, the cables are placed in the cable trench body to protect the cables, and the rainwater in the cable trench body is drained through the cable trench drainage system to reduce the corrosion of the cables by the rainwater or the power connection. Among them, the structure and beneficial effects of the cable trench drainage system have been described in detail above, and will not be repeated here.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of a cable trench drainage system provided by Embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of a cable trench drainage system provided by Embodiment 1 of the present invention, which includes a dehumidification device and a humidity sensor;

Fig. 3 is a schematic diagram of the structure of the cable trench provided by Embodiment 2 of the present invention.

Icons: 10 - pumping device; 20 - water level gauge; 30 - cable trench body; 40 - control device; 50 - dehumidification device; 60 - humidity sensor; 11 - suction pipe; 12 - water pump; 13 - drainage pipe; 31 Cover plate; 32-bridge; 51-blower; 52-heating pipe; 53-absorbent layer.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Embodiment one

As shown in Figure 1, the cable trench drainage system provided by the present embodiment includes: a pumping device 10, a water level gauge 20 and a control device 40 for controlling the opening and closing of the pumping device 10; the pumping device 10 and the water level gauge 20 all extend into The bottom of the cable trench body 30, and the pumping device 10 and the water level gauge 20 are electrically connected to the control device 40 respectively; the length direction of the water level gauge 20 is consistent with the height direction of the cable trench body 30, and a low level detection point is provided on the water level gauge 20 and the high-level detection point, when the water level of the cable trench body 30 is higher than the high-level detection point, the water level gauge 20 transmits a signal to the control device 40, and the control device 40 controls the pumping device 10 to open; when the water level of the cable trench body 30 is lower than the low-level detection point, The water level gauge 20 transmits a signal to the control device 40, and the control device 40 controls the pumping device 10 to close.

The cable trench drainage system provided in this embodiment, by extending the pumping device 10 and the water level gauge 20 into the bottom of the cable trench body 30, the water level gauge 20 detects the water level change of the cable trench body 30, and the water level gauge 20 is provided with Low level detection point and high level detection point, when the weather is rainy or snowy, when water accumulates in the cable trench body 30, and the water level of the cable trench body 30 is higher than the position of the high level detection point, the water level gauge 20 transmits the signal to the control Device 40, the control device 40 controls the pumping device 10 to open, pumps water to the cable trench body 30, reduces the water volume inside the cable trench body 30, and when the water level drops to the position of the low level detection point, the water level gauge 20 transmits the signal to the control Device 40, the control device 40 controls the water pumping device 10 to close, and stops pumping water.

In this embodiment, the pumping device 10 can quickly pump water to the cable trench body 30, which improves the efficiency of drainage, reduces the soaking time of the cable in water, and slows down the corrosion of the cable surface, thereby reducing The insulation damage of the cable is reduced, the service life of the cable is extended, and the use is safer; in addition, the water level gauge 20 detects the water level change of the cable trench body 30 through the low-level detection point and the high-level detection point, and transmits the signal to the control device 40. The control device 40 controls the opening and closing of the pumping device 10, and the use is more automatic, which reduces the workload and physical exertion of the staff, and also reduces the cost.

Among them, in this embodiment, the cable trench drainage system also includes a trigger alarm for reminding workers that the water level in the cable trench body 30 is higher than the high level detection point, and the trigger alarm is electrically connected with the control device 40 . That is, when the water level in the cable trench body 30 was higher than the high-level detection point, the water level gauge 20 sent a signal to the control device 40, and then the control device 40 sent a message to the trigger alarm according to the signal, and reminded the staff by triggering the alarm. The cable trench needs to be drained to facilitate the staff to monitor the water level of the cable trench.

It should be noted that there are many ways to trigger the alarm to remind the staff, which can be sound reminder or flash reminder. In this embodiment, triggering the alarm can send the information that the water level reaches the high level detection point to the mobile phone of the staff. . By triggering the alarm, the information that the water level reaches the high level detection point is sent to the mobile phone of the staff, so that the staff can receive the signal no matter where they are, which is convenient for the staff to monitor and reduce the burden of staff inspection.

In this embodiment, the position of the pumping device 10 corresponds to the position of the water level gauge 20 . That is, the water level gauge 20 detects changes in the water level near the pumping device 10 , such a setting can make the cable trench drainage system work more accurately, and reduce coordination errors between the pumping device 10 and the water level gauge 20 . Wherein, the position of the pumping device 10 corresponds to the position of the water level gauge 20. The pumping device 10 and the water level gauge 20 may be on a plane perpendicular to the length direction of the cable trench, or the water level gauge 20 may be on the peripheral side of the pumping device 10.

On the basis of the above-mentioned embodiment, further, as shown in Figure 1, the pumping device 10 and the water level gauge 20 all extend into the lowest end of the cable trench body 30, that is, both the pumping device 10 and the water level gauge 20 extend into the low-lying It can clean up the rainwater in the cable trench.

It should be noted that there are various structures of the pumping device 10. For example, as shown in FIG. In the present embodiment, the pumping device 10 includes a suction pipe 11, a suction pump 12 and a drain pipe 13; one end of the suction pipe 11 extends into the bottom wall of the cable trench body 30, and the other end of the suction pipe 11 connects with the suction pump 12, the drainage The pipe 13 communicates, and the water pump 12 is arranged outside the cable trench body 30 , and the water pump 12 is electrically connected with the control device 40 . That is, the suction pipe 11 extends into the bottom of the cable trench, and the suction pump 12 provides power to promote the suction pipe 11 to absorb water and discharge rainwater through the drain pipe 13 .

In addition, it should be noted that there are various types of the water level gauge 20, for example, a float type water level gauge or an optical fiber water level gauge. In this embodiment, the water level gauge 20 is a float type water level gauge.

In addition, in order to keep the cable trench in a dry state and reduce the cables from getting damp, in this embodiment, as shown in FIG. 60; the humidity sensor 60 is electrically connected to the control device 40 and the dehumidification device 50 in turn; when the water level of the cable trench body 30 is lower than the low level detection point, the control device 40 controls the water pump 12 of the pumping device 10 to close, and at the same time, the control device 40 controls the dehumidification The device 50 dehumidifies the cable trench body 30; when the dehumidification sensor detects that the humidity in the cable trench body 30 reaches a low preset value, no further dehumidification and drying is required, and the humidity sensor transmits a signal to the control device 40, and the control device 40 The dehumidification device 50 is controlled to stop dehumidification. Of course, when there is no rain outside, but the air is relatively humid, and the humidity sensor detects that the humidity in the cable trench body 30 reaches a high preset value, the humidity sensor sends a signal to the control device 40, and the control device 40 controls the dehumidification device 50 to open .

In this embodiment, the pumping device 10 cooperates with the dehumidifying device 50 to better protect the cables, that is, when the water level in the cable trench exceeds the high level detection point of the water level gauge 20, the water is drained through the pumping device 10 until The water level of the cable trench is lower than the low level detection point of the water level gauge 20, and then dehumidification is carried out by the dehumidification device 50, so that the cable can be in a relatively dry environment, and the situation that the cable surface is corroded by moisture is reduced.

Wherein, in this embodiment, as shown in FIG. 2 , the dehumidification device 50 includes a blower 51 and a heating pipe 52 , and the control device 40 is electrically connected to the blower 51 and the heating pipe 52 . Wherein, the cable trench body 30 includes an inlet and an outlet, a blower 51 is arranged at the inlet, and a heating pipe 52 is arranged under the blower 51 . When the cable trench body 30 needs to be dehumidified, the control device 40 controls the blower 51 and the heating pipe 52 to work, and the blower 51 provides power to the outside air to make the air flow to the entrance of the cable trench body 30. The absorbed air is heated and blown into the cable trench body 30 , which can accelerate the drying of the cable trench body 30 .

In order to reduce the humidity in the outside air from blowing into the cable trench body 30 and reduce the drying efficiency, in this embodiment, as shown in FIG. The outside air can be dried and then flow into the cable trench body 30 , which can greatly improve the drying efficiency of the water-absorbing layer 53 .

Embodiment two

The cable trench provided in this embodiment includes: a cable trench body 30 and the cable trench drainage system provided in Embodiment 1, and the cable trench drainage system is arranged in the cable trench.

In the cable trench provided by this embodiment, cables are placed in the cable trench body 30 to protect the cables, and the rainwater in the cable trench body 30 is drained through the cable trench drainage system to reduce corrosion of the cables by rainwater or power connection. Among them, the structure and beneficial effects of the cable trench drainage system have been described in detail above, and will not be repeated here.

Wherein, in this embodiment, as shown in FIG. 3 , the cable trench further includes a cover plate 31 , and the cover plate 31 is opened and closed at the opening of the cable trench body 30 . The cover plate 31 can reduce rainwater or sundries from entering the cable trench body 30 , and also realize the protection of cables.

It should be noted that, as shown in FIG. 3 , the cover plate 31 is a raised structure. Specifically, the cover plate 31 includes a connected first cover plate part and a second cover plate part, and the first cover plate part extends to the cable trench. In the opening of the main body 30 , the second cover part presses against the edge of the opening of the cable trench main body 30 , such a structure makes the cable trench main body 30 more compact.

When the dehumidification device 50 is installed, cover plates 31 are provided at the entrance and exit, and when dehumidification treatment is required, the cover plates 31 at the entrance and exit are opened in the opening of the cable trench body 30 .

In addition, in this embodiment, as shown in FIG. 3 , multiple rows of bridges 32 for placing cables are arranged on two opposite side walls of the cable trench body 30, and each row of bridges 32 is arranged along the length direction of the cable trench body 30; And the bottom bridge frame 32 is higher than the bottom of the cable trench body 30 . By placing multiple rows of bridges 32, multiple cables can be placed. At the same time, the bottom bridge 32 is higher than the bottom of the cable trench body 30, so that the cables at the bottom are kept away from the ground, reducing the moisture on the ground and rainwater soaking the cables on the lower floor.

It should be noted that each row of bridges 32 includes a plurality of support frames arranged at intervals, and cables are placed on the plurality of support frames.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. a kind of cable duct drainage system, which is characterized in that including：Water plug (10), water-level gauge (20) and for controlling State the control device (40) of water plug (10) opening and closing；

The water plug (10) and water-level gauge (20) stretch into the bottom of cable duct ontology (30), and the water plug (10) It is electrically connected respectively with the control device (40) with water-level gauge (20)；

The length direction of the water-level gauge (20) is consistent with the short transverse of cable duct ontology (30), and in the water-level gauge (20) low level test point and high-order test point are provided on, when the water level of the cable duct ontology (30) is higher than the high-order detection Point, the water-level gauge (20) transmit a signal to the control device (40), control device (40) the control water plug (10) It opens, when the water level of the cable duct ontology (30) is less than the low level test point, the water-level gauge (20) transmits a signal to institute Control device (40) is stated, control device (40) the control water plug (10) is closed.

2. cable duct drainage system according to claim 1, which is characterized in that further include for reminding described in staff Water level in cable duct ontology (30) is higher than the triggering alarm of the high-order test point, the triggering alarm and the control Device (40) is electrically connected.

3. cable duct drainage system according to claim 2, which is characterized in that the triggering alarm can reach water level Information to the high-order test point is sent on the mobile phone of staff.

4. cable duct drainage system according to claim 1, which is characterized in that the position of the water plug (10) and institute The position for stating water-level gauge (20) is corresponding.

5. cable duct drainage system according to claim 4, which is characterized in that the water plug (10) and the water level Meter (20) extend into the least significant end of the cable duct ontology (30).

6. cable duct drainage system according to claim 1, which is characterized in that the water plug (10) includes drinking-water pipe (11), suction pump (12) and drainpipe (13)；

Described drinking-water pipe (11) one end extend into be the cable duct ontology (30) bottom wall, drinking-water pipe (11) other end according to It is secondary to be connected to suction pump (12), the drainpipe (13), and the suction pump (12) is arranged in the cable duct ontology (30) Outside, the suction pump (12) are electrically connected with control device (40).

7. cable duct drainage system according to claim 1, which is characterized in that the water-level gauge (20) is float type water level It counts (20).

8. a kind of cable duct, which is characterized in that including：Cable duct ontology (30) and claim 1-7 any one of them cables Ditch water discharge system, the cable duct drainage system are arranged in the cable duct.

9. cable duct according to claim 8, which is characterized in that further include cover board (31), cover board (31) folding exists The opening of the cable duct ontology (30).

10. cable duct according to claim 9, which is characterized in that in two opposite sides of the cable duct ontology (30) Multiple rows of crane span structure (32) for placing cable is arranged in wall, and the length direction for often arranging the crane span structure (32) along cable duct ontology (30) is set It sets；And bottom crane span structure (32) is higher than the bottom of the cable duct ontology (30).