CN112072597B - Underground cable protector - Google Patents
Underground cable protector Download PDFInfo
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- CN112072597B CN112072597B CN202010928423.5A CN202010928423A CN112072597B CN 112072597 B CN112072597 B CN 112072597B CN 202010928423 A CN202010928423 A CN 202010928423A CN 112072597 B CN112072597 B CN 112072597B
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- Prior art keywords
- underground cable
- heating
- electrically connected
- cable protector
- conducting wire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Abstract
The invention relates to the field of power distribution systems, in particular to an underground cable protector. The underground cable protector comprises a heating module and a distribution box, the heating module comprises a clamping ring and a heating assembly, the clamping ring can be clamped on an underground cable, and the heating assembly is arranged on the clamping ring; the power distribution box is provided with a first conducting wire and a second conducting wire which are electrically connected, the second conducting wire is electrically connected with the heating assembly, and the first conducting wire can be electrically connected with an external power supply so that the heating assembly is electrified to generate heat. The underground cable protection device is simple in structure, and by heating the temperature of the soil around the underground cable, a constructor can judge the position of the underground cable according to the detected surface temperature to be constructed so as to avoid the underground cable during construction and protect the underground cable from being damaged.
Description
Technical Field
The invention relates to the field of power distribution systems, in particular to an underground cable protector.
Background
The section of the power system that exits from a step-down distribution substation (high-voltage distribution substation) to a customer end is referred to as a distribution system. The distribution system is a power network system which is composed of various distribution equipment (or elements) and distribution facilities and used for directly distributing electric energy to end users, the distribution system is divided into an overground distribution system and an underground distribution system, and aiming at the underground distribution system, because cables are buried underground, constructors are not easy to find underground cable positions when carrying out construction, the situation that the cables are damaged and even dug up is easy to happen, and further surrounding power utilization or network cables can be influenced.
Disclosure of Invention
The invention aims to provide an underground cable protector which can enable constructors to find underground cables in time during construction so as to protect the underground cables from being damaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
the underground cable protector comprises a heating module and a distribution box, wherein the heating module comprises a clamping ring and a heating assembly, the clamping ring can be clamped on an underground cable, and the heating assembly is arranged on the clamping ring; the power distribution box is provided with a first conducting wire and a second conducting wire which are electrically connected, the second conducting wire is electrically connected with the heating assembly, and the first conducting wire can be electrically connected with an external power supply so that the heating assembly is electrified to generate heat.
Preferably, the bottom surface of the distribution box is fixed with an insert rod.
Preferably, the lower end of the inserted rod is of a conical structure.
Preferably, the underground cable protector further comprises a connecting frame, wherein the connecting frame is detachably connected with the distribution box; and a handle is fixed on the connecting frame.
Preferably, a grid is fixed at the lower end of the snap ring.
Preferably, the heating assembly comprises a heating block, the heating block is arranged on the clamping ring, and the heating block is electrically connected with the second lead.
Preferably, the heating assembly further comprises a sleeve and a sliding rod, and the sleeve is fixed on the clamping ring; the sliding rod is arranged on the sleeve in a height-adjustable manner and is connected with the heating block.
Preferably, the outer wall of the sleeve is provided with a threaded through hole perpendicular to the axial direction of the sleeve, the second fastener is in threaded connection with the threaded through hole, and the end part of the second fastener can be abutted against the outer wall of the sliding rod.
Preferably, the sleeve is provided with a threaded hole extending along the axial direction of the sleeve, and the sliding rod is provided with an external thread matched with the threaded hole.
Preferably, the heating modules are provided in plurality, and the heating modules are electrically connected with each other and arranged along the length direction of the underground cable.
Compared with the prior art, the invention has the beneficial effects that:
according to the underground cable protector provided by the invention, after the underground cable is laid, the heating component is clamped on the underground cable through the clamping ring, the heating component is connected through the second conducting wire arranged in the distribution box, and then the underground cable is covered through soil. When needs are under construction, be connected the first wire that sets up in the block terminal with external power supply to make heating element circular telegram heat production, detect the earth's surface temperature of treating the construction afterwards and can judge the position of underground cable, thereby make constructor in time discover underground cable when the construction, with dodge underground cable when the construction, protect underground cable not hurt.
Drawings
FIG. 1 is a schematic structural view of an underground cable protector provided by the present invention;
FIG. 2 is a left side view of a snap ring provided by the present invention;
FIG. 3 is a schematic structural view of a heating module provided by the present invention.
Wherein:
1. a first conductive line;
2. a connecting frame;
3. a handle;
4. a first fastener;
5. a distribution box; 51. inserting a rod;
6. a second conductive line;
7. a heating module; 71. a snap ring; 711. a grid; 72. a heating assembly; 721. a sleeve; 722. a slide bar; 723. a heating block; 724. a second fastener;
8. and a third conductive line.
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 or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the 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., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1, the underground cable protector provided by the present embodiment includes a heating module 7 and a distribution box 5, the heating module 7 includes a clamping ring 71 and a heating assembly 72, the clamping ring 71 can be clamped on an underground cable, and the heating assembly 72 is disposed on the clamping ring 71; the distribution box 5 is provided with a first lead 1 and a second lead 6 which are electrically connected, the second lead 6 is electrically connected with the heating assembly 72, and the first lead 1 can be electrically connected with an external power supply so as to electrify the heating assembly 72 to generate heat.
Wherein, still be provided with the circuit board that can control heating temperature and heating time in the block terminal 5 in this embodiment to and the remote controller that matches with the circuit board, be used for making things convenient for operating personnel to operate.
After the underground cable is laid, the heating component 72 is clamped on the underground cable through the clamping ring 71, the heating component 72 is connected through the second conducting wire 6 arranged in the distribution box 5, and then the underground cable is covered through soil. When needs are under construction, be connected the first wire 1 that sets up in the block terminal 5 with external power supply, operating personnel sets for heat time and heating temperature through the remote controller to make heating element 72 circular telegram heat production, detect the earth's surface temperature of treating the construction afterwards and can judge the position of underground cable, thereby make constructor in time discover underground cable when the construction, in order to dodge underground cable when the construction, protect underground cable not hurt. In addition, the heating assembly 72 can remove moisture from the surrounding soil, so that the underground cable is prevented from being aged or even broken down when being in a wet state for a long time.
Because underground cable is usually very long, in order to heat the ground around the underground cable evenly, in this embodiment, heating module 7 is provided with a plurality ofly, connects through third wire 8 electricity between a plurality of heating modules 7, and a plurality of heating modules 7 along the length direction interval card of underground cable establish on underground cable.
In order to avoid the loss of the distribution box 5 due to misplacement, the distribution box 5 may also be placed underground. In this embodiment, in order to fix the distribution box 5 underground, the insertion rods 51 are welded uniformly to the bottom surface of the distribution box 5.
Wherein, the lower end of the inserting rod 51 is a conical structure, which can be easier to insert the distribution box 5 into the ground for fixing. Preferably, the plunger 51 is made of metal.
In this embodiment, the underground cable protector further comprises a connecting frame 2, and the connecting frame 2 is detachably connected with the distribution box 5; a handle 3 is welded on the connecting frame 2, and the handle 3 extends towards the ground surface. On the one hand, when installation block terminal 5, remove block terminal 5 through handle 3 as required easily, on the other hand, can directly take handle 3 to dismantle link 2 when landfill underground cable protector, convenient landfill.
Wherein, be provided with the through-hole on the link 2, be provided with the mounting hole with the corresponding department of through-hole on the block terminal 5, first fastener 4 passes behind the through-hole with mounting hole threaded connection, and then fixes link 2.
Exemplarily, the first fastening member 4 may be a screw or a bolt.
As shown in fig. 2, in order to better clamp the snap ring 71 on the underground cable, a grid 711 is uniformly welded to the lower end of the snap ring 71 in this embodiment.
In order to further fix the snap ring 71 so as to prevent the snap ring 71 from being separated from the underground cable when the snap ring is buried, the lower end of the grid 711 has a tapered structure.
Preferably, the snap ring 71 is semi-circular arc shaped to fit the shape of the underground cable. In addition, the clamping ring 71 with the proper size can be selected according to the diameter of the underground cable, the connection stability of the clamping ring 71 and the underground cable is guaranteed, the underground cable is prevented from being separated from the clamping ring 71, and the accuracy of a detection result is guaranteed.
As shown in fig. 3, in the present embodiment, the heating assembly 72 includes a heating block 723, the heating block 723 is disposed on the snap ring 71, the heating block 723 is electrically connected to the second conductive wire 6, and the heating block 723 is powered on to generate heat, so as to heat soil near the underground cable.
Since the heating block 723 is too close to the underground cable, the surface of the underground cable is damaged, and if the heating block is too far away from the underground cable, the position of the underground cable cannot be determined in time. In order to adjust the distance between the heating block 723 and the underground cable, in this embodiment, the heating assembly 72 further includes a sleeve 721 and a sliding rod 722, the sleeve 721 is fixed on the snap ring 71; the sliding rod 722 is arranged on the sleeve 721 in a height-adjustable manner, and the sliding rod 722 is connected with a heating block 723.
In order to adjust the height of the sliding rod 722, a threaded through hole perpendicular to the axial direction of the sleeve 721 is formed in the outer wall of the sleeve 721, the second fastener 724 is in threaded connection with the threaded through hole, and the end of the second fastener can abut against the outer wall of the sliding rod 722.
During adjustment, the height of the sliding rod 722 is adjusted to meet the requirement of the distance between the heating block 723 and the ground surface, and then the second fastener 724 is screwed with the threaded through hole, so that the end of the second fastener 724 extends into the threaded through hole and abuts against the outer wall of the sliding rod 722, and the position of the sliding rod 722 is fixed.
Illustratively, the second fastener 724 may be a screw or a bolt.
In order to uniformly heat the ground around the sliding rod 722, a plurality of heating blocks 723 may be uniformly welded on the sliding rod 722 according to the requirement. The heating blocks 723 are electrically connected to each other such that the plurality of heating blocks 723 are each capable of being energized to produce heat.
In order to save cost and facilitate processing, in this embodiment, the heating block 723 is made of a copper block and is wrapped with a resistance wire inside.
Example two
The present embodiment provides an underground cable protector which is different from the first embodiment only in the way of height adjustment of the sliding rod 722.
Specifically, the sleeve 721 may be provided with a threaded hole extending along an axial direction thereof, and the sliding rod 722 may be provided with an external thread matching the threaded hole, so that the sliding rod 722 may be adjusted in height by screwing the sliding rod 722. The rest of the structure of the underground cable protector in this embodiment is the same as that in the first embodiment, and is not described again.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (8)
1. An underground cable protector, comprising:
the heating module (7) comprises a clamping ring (71) and a heating assembly (72), the clamping ring (71) can be clamped on an underground cable, the heating assembly (72) is arranged on the clamping ring (71),
the power distribution box (5), a first conducting wire (1) and a second conducting wire (6) which are electrically connected are arranged in the power distribution box (5), the second conducting wire (6) is electrically connected with the heating assembly (72), and the first conducting wire (1) can be electrically connected with an external power supply to electrify the heating assembly (72) to generate heat;
wherein the heating assembly (72) comprises:
the heating block (723), the heating block (723) is arranged on the snap ring (71), and the heating block (723) is electrically connected with the second lead (6);
a sleeve (721), the sleeve (721) being fixed to the snap ring (71);
the sliding rod (722) is arranged on the sleeve (721) in a height-adjustable manner, and the sliding rod (722) is connected with the heating block (723).
2. An underground cable protector according to claim 1 in which the distribution box (5) has a plug (51) secured to its underside.
3. An underground cable protector according to claim 2 in which the lower end of the plunger (51) is of a tapered configuration.
4. An underground cable protector according to claim 1, further comprising a connection frame (2), the connection frame (2) being removably connectable to the distribution box (5); a handle (3) is fixed on the connecting frame (2).
5. An underground cable protector according to claim 1 in which a grid (711) is secured to the lower end of the snap ring (71).
6. An underground cable protector according to claim 1, in which the sleeve (721) is provided on its outer wall with a threaded through hole perpendicular to its axial direction, and a second fastener (724) is screwed into the threaded through hole and has its end capable of abutting against the outer wall of the slide bar (722).
7. An underground cable protector according to claim 1, in which the sleeve (721) is provided with a threaded hole extending in the axial direction thereof, and the slide rod (722) is provided with an external thread for engagement with the threaded hole.
8. An underground cable protector according to claim 1 in which the heating modules (7) are provided in plurality, a plurality of the heating modules (7) being electrically connected to each other and arranged along the length of the underground cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928423.5A CN112072597B (en) | 2020-09-07 | 2020-09-07 | Underground cable protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928423.5A CN112072597B (en) | 2020-09-07 | 2020-09-07 | Underground cable protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112072597A CN112072597A (en) | 2020-12-11 |
| CN112072597B true CN112072597B (en) | 2022-01-18 |
Family
ID=73663798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928423.5A Active CN112072597B (en) | 2020-09-07 | 2020-09-07 | Underground cable protector |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001026055A (en) * | 1999-07-13 | 2001-01-30 | Kogen Kizai Kk | Cable protective pipe and manufacture of the same |
| CN201680107U (en) * | 2010-05-27 | 2010-12-22 | 王沫 | Buried pipeline heating device |
| KR101082552B1 (en) * | 2011-07-20 | 2011-11-10 | 강원숙 | Power supply cable |
| KR20160029405A (en) * | 2014-09-05 | 2016-03-15 | 한국전력공사 | Apparatus and method for maintaining temperature of underground power cable insulation joint box |
| CN108023321A (en) * | 2017-12-14 | 2018-05-11 | 国网江苏省电力公司苏州供电公司 | Cable core dehumidification equipment |
| CN108980504A (en) * | 2018-07-16 | 2018-12-11 | 浙江大铭新材料股份有限公司 | Long-distance transport pipes electric tracer heating system and its laying method |
| CN209876267U (en) * | 2019-05-22 | 2019-12-31 | 北京亿德龙石油天然气技术开发有限公司 | Skin heating cable for oil pipeline |
-
2020
- 2020-09-07 CN CN202010928423.5A patent/CN112072597B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001026055A (en) * | 1999-07-13 | 2001-01-30 | Kogen Kizai Kk | Cable protective pipe and manufacture of the same |
| CN201680107U (en) * | 2010-05-27 | 2010-12-22 | 王沫 | Buried pipeline heating device |
| KR101082552B1 (en) * | 2011-07-20 | 2011-11-10 | 강원숙 | Power supply cable |
| KR20160029405A (en) * | 2014-09-05 | 2016-03-15 | 한국전력공사 | Apparatus and method for maintaining temperature of underground power cable insulation joint box |
| CN108023321A (en) * | 2017-12-14 | 2018-05-11 | 国网江苏省电力公司苏州供电公司 | Cable core dehumidification equipment |
| CN108980504A (en) * | 2018-07-16 | 2018-12-11 | 浙江大铭新材料股份有限公司 | Long-distance transport pipes electric tracer heating system and its laying method |
| CN209876267U (en) * | 2019-05-22 | 2019-12-31 | 北京亿德龙石油天然气技术开发有限公司 | Skin heating cable for oil pipeline |
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| Publication number | Publication date |
|---|---|
| CN112072597A (en) | 2020-12-11 |
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