CN210167778U - Waterproof drainage device for power pipeline - Google Patents

Abstract

The utility model relates to a waterproof drainage device for power pipeline, including cable pit, sleeve pipe, dehumidification subassembly and drainage subassembly, the sleeve pipe includes outer tube and inner tube, the inner tube cover is located the outer tube inside, establish the through-hole on the pipe wall of inner tube, the sleeve pipe passes through the stand and connects the cable pit; the dehumidification assembly comprises connecting sleeves, branch pipes and a dehumidifier, the sleeves are connected through the connecting sleeves, the connecting sleeves are provided with guide ports, the branch pipes are connected with the guide ports through three-way valves, the branch pipes are arranged at the upper ends of the sleeves, and one end of each sleeve is provided with the dehumidifier; the drainage component comprises a water collecting tank, a water outlet pipe and a water suction pump, wherein the water collecting tank is arranged in the cable trench, one end of the water outlet pipe is arranged at the bottom end of the inside of the water collecting tank, and the water suction pump is arranged at the other end of the water outlet pipe. The utility model provides a waterproof drainage device has solved because groundwater infiltrates into in the cable, and produces the corruption to the cable conductor, shortens the life's of cable conductor problem.

Description

Waterproof drainage device for power pipeline

Technical Field

The utility model belongs to the technical field of the cable is waterproof, concretely relates to waterproof drainage device for power pipeline.

Background

The cable is widely applied to the power industry, and the underground cable is a cable which is often buried underground compared with a common overhead line, so the cable is also called an underground cable, the cable is made of one or more mutually insulated conductors which are wrapped by an insulating layer and a protective layer, at present, due to the reasons of shortage of urban land, high traffic pressure, city construction and the like, an underground cable power transmission mode is generally adopted in a large city, and compared with the overhead line, the underground cable has the advantages of small occupied area, reliable power transmission, strong anti-interference capability and the like.

Underground cable is when fixed, often is fixed in the cable pit, because the geological environment in different cities is different with the annual rainfall, in the great more city of some annual rainfall, because weather reason, stratum or soil moisture are great, may infiltrate groundwater even in the cable pit, and groundwater gets into behind the cable pit in, buries in underground cable top layer and can produce to meet water humidity, corrode outer protective layer scheduling problem, shortens the life of cable conductor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that proposes in the background art, and provide a waterproof drainage device for power pipeline to solve and fixing the cable conductor back in the cable pit, because groundwater infiltrates into in the cable, and produce the corruption to the cable conductor, shorten the life's of cable conductor problem.

The purpose of the utility model is realized like this:

the utility model provides a waterproof drainage device for power pipeline, includes cable pit, sleeve pipe, dehumidification subassembly and drainage subassembly, the sleeve pipe includes outer tube and inner tube, inside the outer tube was located to the inner tube cover, establish the through-hole on the pipe wall of inner tube, the sleeve pipe passes through the stand and connects the cable pit.

Further, the dehumidification subassembly includes adapter sleeve, branch pipe and dehumidifier, connect through the adapter sleeve between each sleeve pipe, establish on the adapter sleeve and draw the mouth, the branch pipe leads the mouth through three-way valve connection, sheathed tube upper end is located to the branch pipe, the dehumidifier is established to sheathed tube one end.

Further, the drainage component includes water catch bowl, outlet pipe and suction pump, the water catch bowl is located in the cable pit, the inside bottom of water catch bowl is located to the one end of outlet pipe, establish the suction pump on the other end of outlet pipe.

Further, a liquid level sensor is arranged at the bottom of the water collecting tank, an electromagnetic valve is arranged on the water suction pump, and the liquid level sensor is electrically connected with the electromagnetic valve.

Furthermore, an air suction pump is arranged at one end of the branch pipe close to the dehumidifier.

Furthermore, at least one humidity sensor is arranged on the inner side wall of the inner pipe, and the humidity sensor is electrically connected with the dehumidifier.

Furthermore, a thread-shaped reinforcing rib is arranged between the outer pipe and the inner pipe, and the outer pipe is a waterproof pipeline.

Further, fixed hoop is established to sheathed tube outside cover, the upper end of stand is connected to the lower extreme of fixed hoop, the cable pit is connected to the lower extreme of stand, at least two are established to the stand.

Furthermore, a protective cover is arranged outside the liquid level sensor.

Furthermore, a filter screen is arranged inside one end, close to the water collecting tank, of the water outlet pipe.

Furthermore, the outlet end of the water outlet pipe is connected with a water collecting tank or directly connected to a water outlet channel.

Furthermore, an air supply pipe is arranged between the outer pipe and the inner pipe, a plurality of fans are arranged on the air supply pipe, and two ends of the air supply pipe are communicated with outside air.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides a pair of a waterproof drainage device for power pipeline sets up the cable conductor in the cover pipe, and the waterproof pipeline of outer tube plays waterproof effect, avoids permeating into the inner tube, produces the corruption to the cable conductor of locating the inner tube to set up the sleeve pipe in the inside upside of cable pit through stand and fixed hoop, groundwater is permeating into cable pit back, will be in the downside of cable pit, can avoid groundwater and cover pipe to contact like this, further plays waterproof guard action to the cable conductor.

2. The utility model provides a pair of a waterproof drainage device for power pipeline can discharge the inside water smoke that causes because of the difference in temperature of sleeve pipe through the dehumidification subassembly, can play the drainage effect to the cable conductor of intraduct with the water discharge cable ditch of infiltration in the cable ditch through the drainage subassembly, prevents that the cable conductor from receiving the corruption.

3. The utility model provides a pair of a waterproof drainage device for power pipeline, a plurality of sleeves pass through the adapter sleeve and connect, through drawing mouth and branch connection between each adapter sleeve, can make branch pipe and the inside negative pressure that forms of inner tube through the aspiration pump, the water of inner tube is drawn forth and is dry through the dehumidifier, is equipped with the blast pipe between outer tube and the inner tube, a plurality of fans on the blast pipe can deliver to the intraductal with wind, make the intraductal circulation of air of cable line sleeve that buries deeply, reduce the humidity in the sleeve.

Drawings

Fig. 1 is a schematic structural view of a waterproof drainage device for an electric power pipeline of the present invention.

Fig. 2 is a schematic view of a waterproof drainage device casing for an electric power pipeline according to the present invention.

Fig. 3 is a schematic view of embodiment 4 of the present invention.

In the figure: 1. a cable trench; 2. a column; 3. an air pump; 4. a dehumidifier; 5. a sleeve; 6. a branch pipe; 7. connecting sleeves; 8. a water outlet pipe; 9. a water pump; 10. an electromagnetic valve; 11. leading the mouth; 12. a fixing hoop; 13. a water collection tank; 14. a liquid level sensor; 51. an outer tube; 52. an inner tube; 53. reinforcing ribs; 54. a humidity sensor; 55. and a through hole.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Example 1

Combine fig. 1 and fig. 3, a waterproof drainage device for power pipeline, including cable pit 1, sleeve pipe 5, dehumidification subassembly and drainage subassembly, sleeve pipe 5 includes outer tube 51 and inner tube 52, inside outer tube 51 was located to the inner tube 52 cover, establish through-hole 55 on the pipe wall of inner tube 52, establish screw thread form strengthening rib 53 between outer tube 51 and the inner tube 52, outer tube 51 is waterproof pipeline, sleeve pipe 5 passes through stand 2 and connects cable pit 1, fixed hoop 12 is established to the outside cover of sleeve pipe 5, the upper end of stand 2 is connected to the lower extreme of fixed hoop 12, cable pit 1 is connected to the lower extreme of stand 2, stand 2 establishes two at least.

Set up the cable conductor in sleeve 6, the waterproof pipeline of outer tube 62 plays waterproof role, avoids permeating into inner tube 52, produces the corruption to the cable conductor of locating inner tube 52 to set up sleeve 5 in the inside upside of cable pit 1 through stand 2 and fixed hoop 12, groundwater is permeating into cable pit 1 back, will be in the downside of cable pit 1, can avoid groundwater and sleeve 5 contact like this, further plays water protection to the cable conductor.

Example 2

On the basis of embodiment 1, the dehumidification subassembly includes adapter sleeve 7, branch pipe 6 and dehumidifier 4, connect through adapter sleeve 7 between each sleeve 5, establish on adapter sleeve 7 and draw mouthful 11, branch pipe 6 leads mouthful 11 through three-way valve connection, the upper end of sleeve 5 is located to branch pipe 6, dehumidifier 4 is established to the one end of sleeve 5, aspiration pump 3 is established to the one end that is close to dehumidifier 4 of branch pipe 6.

Drainage component includes water catch bowl 13, outlet pipe 8 and suction pump 9, water catch bowl 13 is located in cable pit 1, the inside bottom of water catch bowl 13 is located to the one end of outlet pipe 8, establish suction pump 9 on the other end of outlet pipe 8.

Can discharge the inside water smoke that causes because of the difference in temperature of sleeve pipe 5 through the subassembly that dehumidifies, can play the drainage effect to the inside cable conductor of sleeve pipe 5 with the water discharge cable trench 1 of infiltration in the cable trench through drainage subassembly, prevent that the cable conductor from receiving the corruption.

A plurality of sleeves 5 pass through adapter sleeve 7 and connect, connect through leading mouth 11 and branch pipe 6 between each adapter sleeve 7, can make branch pipe 6 and inner tube 52 inside form the negative pressure through aspiration pump 3, the water of inner tube 52 is drawn forth and is dried through dehumidifier 4, can establish the blast pipe between outer tube 51 and the inner tube 52, establish a plurality of fans on the blast pipe, a plurality of fans on the blast pipe can be sent wind to the intraductal, make the intraductal circulation of air of cable wire cover deeply buried underground, reduce the humidity in the cover.

Example 3

On the basis of embodiment 2, level sensor 14 is established to the bottom of water catch bowl 13, establish solenoid valve 10 on the suction pump 9, level sensor 14 electricity is connected solenoid valve 10, and when the water that permeates in the water catch bowl 13 exceeded level sensor's default, level sensor 14 sent signal indication to solenoid valve 10, and solenoid valve 10 intercommunication suction pump 9 starts suction pump 9 under the effect of controller and takes out the water in the water catch bowl 13, and the liquid level until in the water catch bowl 13 is less than level sensor.

At least one humidity sensor 54 is arranged on the inner side wall of the inner pipe 52, the humidity sensor 54 is electrically connected with the dehumidifier 4, the humidity inside the inner pipe 52 can be monitored in real time through the humidity sensor 54, when the humidity inside the casing is high, the humidity sensor 54 sends an indication signal to the controller, and the controller controls the dehumidifier 4 and the air pump 3 to be started to discharge the moisture inside the casing 8.

Example 4

Different from the embodiment 2, the water outlet pipe 8 is arranged at the lower end of the sleeve 5, and the water outlet pipe 8 and the sleeve 5 discharge water in the water collecting tank 13 through an underground cable trench, so that the water outlet pipe 8 is prevented from being damaged on the ground, and meanwhile, the space on the ground is saved.

Above only be the preferred embodiment of the present invention, not be used for limiting the utility model discloses, the all be in the utility model discloses an any modification of doing in the protection scope, equal replacement etc. all should be contained within the protection scope of the utility model.

Claims (6)

1. The utility model provides a waterproof drainage device for power pipeline which characterized in that: the dehumidifying and draining device comprises a cable trench (1), a sleeve (5), a dehumidifying component and a draining component, wherein the sleeve (5) comprises an outer pipe (51) and an inner pipe (52), the inner pipe (52) is sleeved inside the outer pipe (51), a through hole (55) is formed in the pipe wall of the inner pipe (52), and the sleeve (5) is connected with the cable trench (1) through an upright post (2);

the dehumidification assembly comprises a connecting sleeve (7), a branch pipe (6) and a dehumidifier (4), the sleeves (5) are connected through the connecting sleeve (7), a guide opening (11) is formed in the connecting sleeve (7), the branch pipe (6) is connected with the guide opening (11) through a three-way valve, the branch pipe (6) is arranged at the upper end of the sleeve (5), and the dehumidifier (4) is arranged at one end of the sleeve (5);

drainage component includes water catch bowl (13), outlet pipe (8) and suction pump (9), in cable pit (1) was located in water catch bowl (13), the inside bottom of water catch bowl (13) is located to the one end of outlet pipe (8), establish suction pump (9) on the other end of outlet pipe (8).

2. The waterproof drain device for the electric power pipeline according to claim 1, characterized in that: liquid level sensor (14) are established to the bottom of water catch bowl (13), establish solenoid valve (10) on suction pump (9), solenoid valve (10) are connected to liquid level sensor (14) electricity.

3. The waterproof drain device for the electric power pipeline according to claim 1, characterized in that: and an air suction pump (3) is arranged at one end of the branch pipe (6) close to the dehumidifier (4).

4. The waterproof drain device for the electric power pipeline according to claim 1, characterized in that: at least one humidity sensor (54) is arranged on the inner side wall of the inner pipe (52), and the humidity sensor (54) is electrically connected with the dehumidifier (4).

5. The waterproof drain device for the electric power pipeline according to claim 1, characterized in that: a thread-shaped reinforcing rib (53) is arranged between the outer pipe (51) and the inner pipe (52), and the outer pipe (51) is a waterproof pipeline.

6. The waterproof drain device for the electric power pipeline according to claim 1, characterized in that: fixed hoop (12) are established to the outside cover of sleeve pipe (5), the upper end of stand (2) is connected to the lower extreme of fixed hoop (12), cable pit (1) is connected to the lower extreme of stand (2), at least two are established to stand (2).

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