CN218041811U

CN218041811U - Pipeline electric heat tracing system

Info

Publication number: CN218041811U
Application number: CN202222333587.0U
Authority: CN
Inventors: 信磊磊; 张晨明; 赵志涛; 徐婧
Original assignee: Crec Guangda Tianjin Construction Engineering Co ltd; China Railway Design Corp
Current assignee: Crec Guangda Tianjin Construction Engineering Co ltd; China Railway Design Corp
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-13
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the technical field of prevent frostbite, including pipeline (200) and to electric tracing band (100) of pipeline (200) heating, its characterized in that: the pipeline (200) is provided with a water outlet communicated with a rainwater pipeline, and a rainwater hopper (300) is arranged on the water outlet; electric tracing area (100) are followed the reciprocal winding of length direction and the width direction of pipeline (200) is arranged, and the interval between adjacent electric tracing area (100) is 180mm-220mm, just electric tracing area (100) is in the process during rainwater fill (300), encircle rainwater fill (300) and set up, the utility model provides a pipeline electric tracing system and its electric tracing area can effectual improvement to the snow melt effect of pipeline.

Description

Pipeline electric heat tracing system

Technical Field

The utility model belongs to the technical field of prevent frostbite, especially, relate to a pipeline electric heat tracing system.

Background

In the northern territory, weather is comparatively chilly, freezes for a long time in order to prevent the sleet of roof pipeline and causes the roofing to damage, causes destruction to the housing construction, takes place dangerously, so need remove the snow. The prior snow removal has the following defects: 1. in the past, manual snow removal is adopted, time and labor are wasted, or snow is ablated by adopting a snow-melting agent, so that the labor cost is high, and the environmental pollution is easily caused; 2. in the prior art, the control structure and the power supply structure of the heating mechanism are unreasonable in arrangement, accumulated water is often formed by melted snow water and cannot be well discharged, the normal use of the electric tracing band is influenced to a certain extent, and therefore the electric tracing band needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a pipeline electric heat tracing system this electric heat tracing system can effectual improvement to the snow melt effect of pipeline.

The utility model also provides a pipeline electric tracing system, which comprises a pipeline and the electric tracing band, wherein the pipeline is provided with a water outlet communicated with a rainwater pipeline, and the water outlet is provided with a rainwater hopper; the electric tracing band is arranged back and forth along the length direction and the width direction of the pipeline, and the electric tracing band is arranged around the rainwater hopper when passing through the rainwater hopper. In this technical scheme, give off the heat through the electric tracing area, melt near the sleet near the electric tracing area, the sleet after melting forms ponding, and at this moment water just flows along the rainwater fill to ponding is discharged through the outlet of intercommunication on the rainwater pipeline, avoids the roof pipeline to cause the damage because of long-time the piling up of ponding. Wherein the distance between the adjacent electric tracing bands is 180mm-220mm. Because the distance between the adjacent electric tracing bands is 180mm-220mm, the installation mode can ensure that the electric tracing bands can clean the accumulated rain and snow on the pipeline on the top of the building.

In any of the above technical solutions, further, the electric tracing system further includes a control device electrically connected to the electric tracing band;

the control device includes:

the humidity detector is used for detecting the humidity in the pipeline and sending the detected humidity information to the controller;

the temperature detector is used for detecting the temperature in the detection pipeline and sending the detected temperature information to the controller;

and the controller controls the power-on or power-off of the electric tracing band through the information detected by the humidity detector and the temperature detector.

In the technical scheme, the humidity is used for detecting the humidity condition in the pipeline, and when the humidity reaches a preset threshold value, rainwater or snow covers the pipeline; the temperature detector is used for detecting the temperature condition in the pipeline, if the temperature is higher, rainwater is in the pipeline on the surface, and snow is not in the pipeline, so that the electric tracing band does not need to work, and the controller can control the electric tracing band according to the received temperature information and the received humidity information to enable the electric tracing band to be in a power-off state;

when the detected humidity information reaches a preset threshold value and the temperature also reaches the preset threshold value, the inside of the pipeline is covered by snow or ice so as to melt the snow or the ice, therefore, at the moment, the controller can control the electric tracing band to be electrified so that the electric tracing band works, the snow or the ice is melted by the electric tracing band, after the electric tracing band flows out of the rainwater bucket, although the temperature information detected by the temperature controller does not change greatly, the electric tracing band is in a low-temperature state, the humidity detector can melt the snow or the ice, and after the electric tracing band flows away, the detected humidity can be rapidly reduced, after the set threshold value is reached, the snow or the ice in the surface pipeline is completely melted and is discharged, at the moment, the controller can control the electric tracing band to be powered off, so that the effect of intelligently turning on or off the electric tracing band is achieved, and the electric energy of the electric tracing band can be effectively saved.

In any of the above technical solutions, further, the electric tracing band system further includes a fixing bracket disposed on the pipeline for fixing the electric tracing band; wherein, the fixed bolster includes:

the lower bottom plate is welded on the pipeline;

the upper bottom plate is arranged on the lower bottom plate in a sliding manner, and the upper end surface of the upper bottom plate is provided with a threaded hole which penetrates downwards;

the fastening bolt is in threaded connection with the threaded hole and is used for fixing the upper base plate on the lower base plate;

and a clamping member disposed on the upper base plate for clamping the electric tracing band on the upper base plate.

In this technical scheme, because the electric tracing area is made a round trip to lay, for the interval between the guarantee electric tracing area, consequently when the installation fixed bolster, need the mounted position of accurate control installing support, when the deviation appears in the installing support, then can make the interval between the electric tracing area change, the increase perhaps reduces to the work efficiency in electric tracing area has been influenced, for this the utility model discloses in, improve some fixed bolsters that are used for fixed electric tracing area that have now.

Specifically, the fixed bracket comprises an upper bottom plate, a lower bottom plate, a fastening bolt and a clamping component; the lower plate is installed on the pipeline through welding or through the mode that the adhesive bonds, the upper plate is then gliding setting on the lower plate, chucking part sets up on the upper plate, fix the electric tracing area through chucking part, through with the gliding setting of upper plate on the lower plate, thereby can adjust the position of chucking part, consequently, even the deviation appears in the mounted position of fixed bolster, through adjusting the upper plate, also can ensure the interval between the electric tracing area, make it evenly generate heat, therefore, the pipeline heat dissipation device is very practical.

When the clamping part is adjusted to needs, the fastening bolt is screwed out through the tool, so that loosening can occur between the upper base plate and the lower base plate, the upper base plate can slide on the lower base plate at the moment, after the upper base plate is adjusted to a proper distance, the fastening bolt is screwed through the tool, the bottom of the fastening bolt is abutted to the lower base plate, the sliding of the upper base plate can be limited, and the operation is very convenient.

In any of the above technical solutions, further, the clamping member includes:

the first clamping part consists of a first plate body and a second plate body, wherein the first plate body is vertically arranged, the second plate body is arranged on the first plate body, an included angle between the first plate body and the second plate body is an acute angle, the joint between the first plate body and the second plate body has certain elasticity, the second plate body is pulled in the direction away from the first plate body, the included angle between the first plate body and the second plate body is increased, and after the external force is removed, the included angle between the first plate body and the second plate body is restored;

the second clamping part consists of a third plate body and a fourth plate body, wherein the third plate body is vertically arranged, the fourth plate body is arranged on the third plate body, an included angle between the third plate body and the fourth plate body is an obtuse angle, a connecting part between the third plate body and the fourth plate body has certain elasticity, the fourth plate body is pulled in the direction away from the third plate body, the included angle between the third plate body and the fourth plate body is increased, and after the external force is removed, the included angle between the third plate body and the fourth plate body is restored;

the fourth plate body is located obliquely above the second plate body, a channel for the electric tracing band to pass through is formed at the interval between the fourth plate body and the second plate body, and a limiting cavity for clamping the electric tracing band is formed by a cavity enclosed among the first plate body, the second plate body, the third plate body and the upper base plate.

In the technical scheme, based on the clamping part, in order to facilitate the disassembly and assembly of the electric tracing band, the electric tracing band is improved, and specifically comprises a first clamping part and a second clamping part; when the electric tracing band is installed, the fourth plate body is pulled outwards, so that a channel between the fourth plate body and the second plate body is enlarged, the channel can be used for embedding the electric tracing band, the electric tracing band can enter a limiting cavity after passing through the channel, the electric tracing band is limited through the limiting cavity, and after the fourth plate body is loosened, the channel can be reduced and restored to the original shape, so that the electric tracing band cannot be easily separated from the clamping part; when the electric tracing band needs to be detached, the fourth plate body is pulled outwards, and the electric tracing band is very convenient.

In any of the above technical solutions, further, a threaded adjusting hole is formed in the third plate body in a penetrating manner; the chucking member further includes:

the limiting bolt is in threaded connection with the threaded adjusting hole;

the limiting plate is positioned in the limiting cavity, is disc-shaped and is connected with the extending end part of the limiting bolt;

the cavity enclosed among the first plate body, the second plate body, the limiting plate and the upper bottom plate forms a fastening cavity for clamping the electric tracing band.

In the technical scheme, the space in the limiting cavity is large, the electric tracing band is still in a loose state after entering the limiting cavity, and in order to fasten the electric tracing band, the limiting bolt and the limiting plate are further arranged, the limiting plate can be close to the electric tracing band by rotating the limiting bolt, and when the limiting plate is gradually abutted to the electric tracing band, the electric tracing band can be fixed on the clamping part.

Other advantages of the present invention will be further described in the following examples.

Drawings

FIG. 1 is a schematic structural view of a middle electric tracing band according to the present invention;

FIG. 2 is a schematic structural view of the electric tracing band of the present invention mounted on a pipeline;

FIG. 3 is a schematic structural view of the electric tracing band of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a control block diagram of the control device of the present invention;

fig. 6 is a schematic structural view of the fixing bracket of the present invention;

fig. 7 is a schematic view of the connection structure of the upper plate and the lower plate of the present invention;

the reference numbers in the figures are: 100. an electric tracing band; 10. a heat-generating core wire; 11. alloy wires; 12. an insulating sleeve; 20. a ground lead; 30. a return line; 40. a shielding sleeve; 50. a protective outer sleeve; 60. glass fibers; 70. polyvinyl chloride particles; 200. a pipeline; 300. a rainwater hopper; 400. a control device; 410. a humidity detector; 420. a temperature detector; 430. a controller; 500. fixing a bracket; 510. a lower base plate; 520. an upper base plate; 530. fastening a bolt; 540. a chucking member; 541. a first clamping part; 5411. a first plate body; 5412. a second plate body; 542. a second clamping part; 5421. a third plate body; 5422. a fourth plate body; 5423. a shifting sheet; 543. a channel; 544. a limiting chamber; 545. a limit bolt; 546. a limiting plate; 547. the chamber is secured.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the directions or positional relationships indicated by the terms such as "front, back, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directions do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be interpreted as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1, the present embodiment uses an electric tracing band, wherein the electric tracing band 100 includes, in order from the inside to the outside: the heating core wire 10 is characterized in that the heating core wire 10 consists of an alloy wire 11 and an insulating sleeve 12 wrapped on the alloy wire 11; a ground wire 20 arranged side by side with the heating core wire 10; a return line 30 provided side by side with the heat generating core wire 10; a shielding sheath 40, which is disposed on the insulating sheath 12, the grounding conductor 20 and the return line 30; and a protective outer sleeve 50 sleeved on the shielding sleeve 40; the cores of the grounding wire 20 and the return line 30 are formed by interweaving a plurality of tinned copper wires; glass fiber 60 is filled between the heating core wire 10, the return line 30 of the grounding wire 20 and the shielding sleeve 40, and polyvinyl chloride particles 70 are filled between the shielding sleeve 40 and the protective outer sleeve 50.

In the technical scheme, the insulation performance and the shielding performance can be improved so as to ensure the normally used electric tracing band 100, after much rain and snow is accumulated in a roof pipeline, people can electrify the electric tracing band 100, radiate heat through the heating core wire 10 so as to achieve the effects of temperature rise, heat preservation or freezing prevention, heat radiated by the heating core wire 10 is used for heating the roof pipeline, so that the rain and snow in the roof pipeline is melted, the outer skin of the heating core wire 10 is the insulating sleeve 12, the insulating sleeve 12 can improve the insulation performance of the alloy wire, and the glass fiber 60 is filled among the heating core wire 10, the grounding lead 20, the return line 30 and the shielding sleeve 40 so as to further improve the insulation effect of the electric tracing band; through setting up the shield cover 40, in order to play the shielding effect in the effect of shield cover 40, avoid receiving the interference or disturb the external world. The protective sleeve 50 protects the material inside the electric tracing band to prolong the service life. Polyvinyl chloride particles 70 are filled between the protective sleeve and the shielding sleeve, so that the overall high-temperature resistance and fireproof characteristics of the electric tracing band are improved.

In this embodiment, the insulating sheath 12 is made of XLPE.

In the technical scheme, the XLPE (cross-linked polyethylene) has good superiority in the aspects of heat resistance, mechanical property and the like, the heating core wire 10 made of the XLPE material can allow the working temperature to reach 90 ℃ for a long time, and can keep an elastic state at the temperature of 130 ℃, compared with the polyvinyl chloride heating core wire 10 with the same section, the intercepting flow of the heating core wire can be improved by about 25%, and the heating core wire has very strong deformation resistance.

In the present embodiment, the shielding cover 40 is made of an aluminum material.

In the present embodiment, since the current passing through the heating core 10 is relatively large, a magnetic field is generated around the heating core, and in order not to affect the outside, the shielding sleeve 40 is required to shield the generated electromagnetic field. The shielding sheath 40 made of aluminum material can wrap the heating core wire 10, the grounding conductor 20 and the return line 30 well, thereby preventing them from being affected by external electromagnetic field/interference signal, and preventing the interference electromagnetic field/signal in the line from diffusing outwards. In this embodiment, the protective casing 50 is made of PVC. In the present technical solution, the PVC material has non-flammability, high strength, weather resistance and excellent geometric stability, and therefore the protective outer cover 50 is made of the PVC material to improve the service life of the electric tracing band 100.

As shown in fig. 1 to 4, the present embodiment provides a pipeline electric heat tracing system, which includes a pipeline 200 and an electric heat tracing band 100 of embodiment 1, wherein the pipeline 200 has a water outlet communicated with a rainwater pipeline, and a rainwater hopper 300 is disposed on the water outlet; the electric tracing band 100 is arranged back and forth along the length direction and the width direction of the pipeline 200, and the electric tracing band 100 is disposed around the rainwater hopper 300 when passing through the rainwater hopper 300.

In the technical scheme, heat is dissipated through the electric tracing band 100, rain and snow near the electric tracing band 100 are melted, the melted rain and snow form accumulated water, and at the moment, water flows along the rainwater hopper 300, so that the accumulated water is discharged through the water outlet communicated with the rainwater pipeline, and the roof pipeline 200 is prevented from being damaged due to long-time accumulation of the accumulated water.

In the present embodiment, particularly, the interval between the adjacent electric tracing bands 100 is 180mm to 220mm. In the technical scheme, based on the width of the pipeline 200, after a large number of tests, when the distance between the electric tracing bands 100 is controlled to be 180mm-220mm, the heating effect is the best, interference cannot occur, and the specific control is 200mm.

Example 2:

the embodiment provides a pipeline electric heat tracing system, which comprises the technical scheme of the embodiment and also has the following technical characteristics.

As shown in fig. 5, in the present embodiment, the electric trace heating system further includes a control device 400 electrically connected to the electric trace heating tape 100;

the control device 400 includes:

a humidity detector 410 for detecting humidity in the pipeline 200 and transmitting detected humidity information to the controller 430;

a temperature detector 420 for detecting a temperature inside the detection pipe 200 and transmitting detected temperature information to the controller 430;

and a controller 430 for controlling the electric tracing band 100 to be powered on or powered off through information detected by the humidity detector 410 and the temperature detector 420.

In the technical scheme, the humidity is used for detecting the humidity condition in the pipeline 200, and when the humidity reaches a preset threshold value, it is indicated that rainwater or snow covers the pipeline 200; the temperature detector 420 is used for detecting the temperature condition in the pipeline 200, if the temperature is high, rainwater is in the surface pipeline 200 and snow is not in the surface pipeline, so that the electric tracing band 100 does not need to work, and the controller 430 controls the electric tracing band 100 to be in a power-off state according to the received temperature information and humidity information;

when the detected humidity information reaches a preset threshold value and the temperature also reaches the preset threshold value, the pipeline 200 is covered by snow or ice, so as to be capable of melting the snow or ice, at this time, the controller 430 controls the electric tracing band 100 to be powered on, so that the electric tracing band 100 operates, when the electric tracing band 100 melts the snow or ice and flows out of the rainwater hopper 300, although the temperature information detected by the temperature controller 430 does not change greatly, the temperature is still in a low-temperature state, the humidity detector 410 is capable of melting the snow or ice and rapidly reducing the detected humidity after the snow or ice flows away, and when the set threshold value is reached, the snow or ice in the surface pipeline 200 is completely melted and is discharged, at this time, the controller 430 controls the electric tracing band 100 to be powered off, so that the effect of intelligently turning on or off the electric tracing band 100 is achieved, and the electric energy can be effectively saved.

Example 3:

As shown in fig. 4, 6 and 7, in the present embodiment, the electric tracing system further includes a fixing bracket 500 provided on the duct 200 for fixing the electric tracing band 100; wherein, the fixing bracket 500 includes:

a lower plate 510 welded to the pipe 200;

an upper base plate 520 slidably disposed on the lower base plate 510, wherein a threaded hole penetrating downward is formed on an upper end surface of the upper base plate 520;

a fastening bolt 530 threadedly coupled to the threaded hole for fixing the upper plate 520 to the lower plate 510;

and a clamping member 540 provided on the upper plate 520 for clamping the electric trace band 100 to the upper plate 520.

In this technical scheme, because electric tracing area 100 is laid back and forth, for the interval between the guarantee electric tracing area 100, consequently when installation fixed bolster 500, need the mounted position of accurate control installing support, when the deviation appears in the installing support, then can make the interval between the electric tracing area 100 change, increase or reduce to the work efficiency of electric tracing area 100 has been influenced, is in for this reason the utility model discloses in, some fixed bolsters 500 that are used for fixed electric tracing area 100 to current have improved.

Specifically, the fixing bracket 500 includes an upper plate 520, a lower plate 510, a fastening bolt 530, and a clamping member 540; the lower plate 510 is installed on the duct 200 by welding or bonding by an adhesive, the upper plate 520 is slidably installed on the lower plate 510, the fastening member 540 is installed on the upper plate 520, the electric tracing band 100 is fixed by the fastening member 540, and the upper plate 520 is slidably installed on the lower plate 510, so that the position of the fastening member 540 can be adjusted, and thus, even if the installation position of the fixing bracket 500 is deviated, the interval between the electric tracing bands 100 can be ensured by adjusting the upper plate 520, and the electric tracing band can uniformly generate heat, which is very practical.

When the clamping member 540 needs to be adjusted, the fastening bolt 530 is screwed out through a tool, so that the upper plate 520 and the lower plate 510 are loosened, the upper plate 520 can slide on the lower plate 510 at the moment, after the upper plate 520 is adjusted to a proper distance, the fastening bolt 530 is screwed through the tool, so that the bottom of the fastening bolt 530 abuts against the lower plate 510, the sliding of the upper plate 520 can be limited, and the operation is very convenient.

Example 4:

As shown in fig. 6, in the present embodiment, the chucking member 540 includes:

the first clamping part 541 is composed of a first plate body 5411 vertically arranged and a second plate body 5412 arranged on the first plate body 5411, an included angle between the first plate body 5411 and the second plate body 5412 is an acute angle, a joint between the first plate body 5411 and the second plate body 5412 has certain elasticity, the second plate body 5412 is pulled in a direction far away from the first plate body 5411, the included angle between the first plate body 5411 and the second plate body 5412 is increased, and after the external force is removed, the included angle between the first plate body 5411 and the second plate body 5412 is restored;

the second clamping part 542 is composed of a third plate body 5421 and a fourth plate body 5422, wherein the third plate body 5421 is vertically arranged, the fourth plate body 5422 is arranged on the third plate body 5421, an included angle between the third plate body 5421 and the fourth plate body 5422 is an obtuse angle, a joint between the third plate body 5421 and the fourth plate body 5422 has certain elasticity, the fourth plate body 5422 is pulled in a direction away from the third plate body 5421, the included angle between the third plate body 5421 and the fourth plate body 5422 is increased, and after the external force is removed, the included angle between the third plate body 5421 and the fourth plate body 5422 is restored;

the fourth plate body 5422 is located obliquely above the second plate body 5412, a gap between the fourth plate body 5422 and the second plate body 5412 forms a channel 543 through which the electric trace heating tape 100 passes, and a cavity enclosed among the first plate body 5411, the second plate body 5412, the third plate body 5421 and the upper base plate 520 forms a limit cavity 544 for clamping the electric trace heating tape 100.

In the present embodiment, as for the clamping member 540, in order to facilitate the detachment and installation of the electric trace strip 100, an improvement is also made, and specifically, the clamping member includes a first clamping portion 541 and a second clamping portion 542; when the electric tracing band 100 is installed, the fourth plate body 5422 is pulled outwards, so that the channel 543 between the fourth plate body 5422 and the second plate body 5412 is enlarged, the channel 543 can be used for embedding the electric tracing band 100, the electric tracing band 100 enters the limiting chamber 544 after passing through the channel 543, the electric tracing band 100 is limited through the limiting chamber 544, and after the fourth plate body 5422 is loosened, the channel 543 is shrunk and restored to the original shape, so that the electric tracing band 100 cannot be easily separated from the clamping part 540; when the electric tracing band 100 needs to be detached, the fourth plate body 5422 is pulled outward, which is very convenient.

Example 5:

As shown in fig. 6, in the present embodiment, the third plate body 5421 has a threaded adjusting hole formed therethrough; the chucking member 540 further includes:

the limiting bolt 545 is in threaded connection with the threaded adjusting hole;

a limit plate 546, which is located in the limit chamber 544, has a disk shape, and is connected to the protruding end of the limit bolt 545;

wherein the cavity enclosed among the first plate body 5411, the second plate body 5412, the stopper plate 546 and the upper plate 520 forms a fastening cavity 547 for clamping the electric tracing band 100.

In the present embodiment, since the space in the limiting chamber 544 is large, after the electric trace 100 enters the limiting chamber 544, the electric trace 100 is still in a loose state, and in order to fasten the electric trace 100, a limiting bolt 545 and a limiting plate 546 are further provided, so that the limiting plate 546 can be moved close to the electric trace 100 by rotating the limiting bolt 545, and when the limiting plate 546 is gradually pressed against the electric trace 100, the electric trace 100 can be fixed on the clamping member 540.

Example 6:

As shown in fig. 6, in the present embodiment, the chucking member 540 further includes: the poking piece 5423 is arranged on the fourth plate body 5422, wherein the poking piece 5423 and the fourth plate body 5422 are vertically arranged, and the poking piece 5423 is arranged to facilitate a worker to pull the fourth plate body 5422 outwards, so that the electric tracing band 100 is convenient to mount or dismount.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. A pipeline electric tracing system comprising a pipeline (200) and an electric tracing band (100) for heating the pipeline (200), characterized in that: the pipeline (200) is provided with a water outlet communicated with a rainwater pipeline, and a rainwater hopper (300) is arranged on the water outlet; the electric tracing bands (100) are arranged in a reciprocating winding manner along the length direction and the width direction of the pipeline (200), the distance between every two adjacent electric tracing bands (100) is 180-220 mm, and the electric tracing bands (100) are arranged around the rainwater hopper (300) when passing through the rainwater hopper (300).

2. The pipe electric tracing system of claim 1, wherein said electric tracing system further comprises a control device (400) electrically connected to said electric tracing band (100);

the control device (400) comprises:

a humidity detector (410) for detecting humidity in the duct (200) and transmitting detected humidity information to the controller (430);

a temperature detector (420) for detecting the temperature in the detection pipe (200) and transmitting the detected temperature information to the controller (430);

and a controller (430) capable of controlling the electric tracing band (100) to be powered on or off according to information detected by the humidity detector (410) and the temperature detector (420).

3. The pipe electric tracing system of claim 2, further comprising a fixing bracket (500) provided on said pipe (200) for fixing said electric tracing band (100); wherein the fixing bracket (500) comprises:

a lower plate (510) disposed on the duct (200);

the upper bottom plate (520) is arranged on the lower bottom plate (510) in a sliding mode, and a threaded hole penetrating downwards is formed in the upper end face of the upper bottom plate (520);

fastening bolts (530) screwed to the screw holes for fixing the upper plate (520) to the lower plate (510);

and a clamping member (540) provided on the upper base plate (520) for clamping the electric trace ribbon (100) on the upper base plate (520).

4. The piping electric heat tracing system of claim 3, wherein said seizing means (540) comprises:

the clamping structure comprises a first clamping part (541), wherein the first clamping part (541) comprises a vertically arranged first plate body (5411) and a second plate body (5412) arranged on the first plate body (5411), an included angle between the first plate body (5411) and the second plate body (5412) is an acute angle, a joint between the first plate body (5411) and the second plate body (5412) has certain elasticity, the second plate body (5412) is pulled in a direction away from the first plate body (5411), the included angle between the first plate body (5411) and the second plate body (5412) is increased, and after external force is removed, the included angle between the first plate body (5411) and the second plate body (5412) is restored;

the second clamping part (542) is composed of a third plate body (5421) and a fourth plate body (5422), wherein the third plate body (5421) is vertically arranged, the included angle between the third plate body (5421) and the fourth plate body (5422) is an obtuse angle, the joint between the third plate body (5421) and the fourth plate body (5422) has certain elasticity, the fourth plate body (5422) is pulled in the direction far away from the third plate body (5421), the included angle between the third plate body (5421) and the fourth plate body (5422) is increased, and after the external force is removed, the included angle between the third plate body (5421) and the fourth plate body (5422) is restored;

the fourth plate body (5422) is located obliquely above the second plate body (5412), a channel (543) for passing the electric tracing band (100) is formed at the interval between the fourth plate body (5422) and the second plate body (5412), and a limit chamber (544) for clamping the electric tracing band (100) is formed by a chamber enclosed among the first plate body (5411), the second plate body (5412), the third plate body (5421) and the upper base plate (520).

5. The pipe electric tracing system according to claim 4, wherein said third plate body (5421) has threaded adjustment holes provided therethrough; the chucking member (540) further includes:

the limiting bolt (545) is in threaded connection with the threaded adjusting hole;

the limiting plate (546) is positioned in the limiting chamber (544), is disc-shaped and is connected with the extending end part of the limiting bolt (545);

wherein a cavity enclosed among the first plate body (5411), the second plate body (5412), the limit and the upper bottom plate (520) forms a fastening cavity (547) for clamping the electric tracing band (100).