CN218735053U - Heat-resistant high-protection type heat tracing band - Google Patents

Abstract

The utility model discloses a heat-resisting high protection type heat tracing band, which relates to the technical field of heat tracing bands and aims at solving the technical problem that the heat tracing band in the prior art is short of a double damp-proof heat preservation protection mechanism; the heat tracing band body is provided with the pipeline mechanism of burying underground that can install the heat tracing band body outside, bury the inside heating conduction subassembly that is provided with of pipeline mechanism underground, the heating conduction subassembly outside is provided with dual dampproofing heat preservation subassembly, the inside heat tracing band oversheath including the platykurtic of external insulation protection subassembly, this heat tracing band can play dual dampproofing heat retaining effect through external insulation protection subassembly and dual dampproofing heat preservation subassembly, make the heat of heat tracing band body be difficult to take place loss and leak in the use, the loss ratio of heat tracing is little.

Description

A heat-resistant high-protection heating cable

technical field

The utility model belongs to the technical field of heating cables, in particular to a heat-resistant and high-protection heating cable.

Background technique

Nowadays, the structure of the heating cables used in the market is relatively simple. When in use, the heating loss is relatively large, and the service life is short. At the same time, the interior of the heating cables also lacks a double moisture-proof and thermal insulation mechanism, which causes the heating cables to lose heat during use. Loss and leakage are prone to occur, thereby causing a waste of energy, and the stability of use cannot be guaranteed.

At present, the utility model patent with the patent number 202010353618.1 discloses a parallel constant power electric heating cable, including a pipe, a first heating cable and a second heating cable. Both the first heating cable and the second heating cable have an arc-shaped structure. The first heating cable and the second heating cable are relatively arranged on both sides of the pipeline and extend along the axial direction of the pipeline; the outer arc surface of the first heating cable is fitted with a first installation sleeve, and both ends of the first installation sleeve are provided with the second installation sleeve. The first connection platform extending in the direction of the heating cable; the second installation sleeve is fitted on the outer arc surface of the second heating cable, and the two ends of the second installation sleeve are provided with the second connection platform extending in the direction of the first heating cable. The invention sets the first installation sleeve and the second installation sleeve outside the first heating cable and the second heating cable respectively, which can play a role in heat preservation, improve heating efficiency, and provide stability of the heating temperature of the heating cable; The two ends of the installation sleeve are equipped with the first connection platform, and the two ends of the second installation sleeve are equipped with the second connection platform, which is convenient for the installation of the first heating cable and the second heating cable, but when the heating cable is used, the heat loss is relatively large , the service life is short, and there is also a lack of double moisture-proof and heat-insulating mechanisms, which leads to heat loss and leakage easily during the use of the heating cable, resulting in a waste of energy.

Therefore, it is urgent to solve the above-mentioned problem that the heating cable lacks a double moisture-proof and thermal insulation protection mechanism, so as to improve the use scene of the heating cable.

Utility model content

(1) Technical problems to be solved

Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a heat-resistant and high-protection heating cable, which aims to solve the technical problem that the heating cable lacks a double moisture-proof and heat-preservation protection mechanism in the prior art.

(2) Technical solution

In order to solve the above technical problems, the utility model provides such a heat-resistant and high-protection heating cable, which includes a heating cable body, a connecting conduction assembly installed on the heating cable body, and a connecting conductor connected to the connecting conductor. The external insulation and protection components of the communication component; the outside of the heating cable body is provided with a buried pipeline mechanism that can install the heating cable body, and the inside of the buried pipeline mechanism is provided with a heating conduction component, and the outside of the heating conduction component is provided with a double moisture-proof As for the heat preservation component, the outer insulation and protection component includes a flat heating tape outer sheath inside.

When using the heating cable of this technical solution, through the setting of the external insulation protection component and the double moisture-proof and heat-preservation component, it can play the role of double moisture-proof and heat preservation, so that the heat of the heating cable body is not easy to lose and leak during use. The loss ratio is small, which further improves the stability of the heating cable body.

Further, the connection and conduction component includes two metal conductors made of multiple twisted or galvanized copper wires parallel to each other, and a heating element of non-metallic polymer composite conductive material is arranged between the metal conductors, which The material has a positive temperature coefficient of PTC with higher resistivity (resistivity increases with temperature).

Further, the outer insulation protection component includes a protective insulating layer arranged outside the heating element, and a shielding protective outer sleeve is arranged on the outer side of the protective insulating layer. Through the setting of the protective insulating layer and the shielding protective outer sleeve, it can It has the effect of cooperating with protective insulation protection.

Further, an elastic pressure-bearing protection inner sleeve is provided inside the shielding protection outer sleeve, and an anti-skid sealing connection inner layer is arranged on the inner side of the elastic pressure-bearing protection inner sleeve. Through the setting of the elastic pressure-bearing protection inner sleeve, It can play the role of protection against pressure, and through the setting of the anti-slip sealing connection inner layer, it can play a role in cooperating with the anti-slip sealing protection effect.

Further, a protective cavity is opened inside the outer sheath of the heating cable, and a sealing slot is opened inside the protective cavity, and a positioning and clamping hole is opened on the inner surface of the sealing slot, through which the sealing slot The arrangement of the groove and the positioning clamping hole can play a role of sealing and stable clamping.

Further, the rear end of the shielding and protective outer sleeve is provided with a sealing and locking inner ring, and the outer surface of the sealing and locking inner ring is provided with a positioning elastic block, and the outer sheath of the heating cable is provided with an internal anti-falling groove , through the setting of the sealing inner ring and the positioning elastic block, the effect of elastic and stable connection can be achieved.

Further, the rear end of the inner ring of the sealed clamping position is fixedly connected with an anti-falling insertion collar that fits with the internal anti-falling groove. There is a thermal energy secondary feedback layer on the outer side, and an insulating sealing layer is set on the outer side of the thermal energy secondary feedback layer. Through the setting of the anti-falling insertion collar, it can fit with the internal anti-falling groove, thereby improving the outer sheath of the heating cable. Stability for use between shielded and shielded outer sleeves.

Further, the interior of the double moisture-proof and thermal insulation component includes a functional layer arranged outside the insulating and sealing layer, a moisture-proof layer is arranged outside the functional layer, a protective outer layer is arranged outside the moisture-proof layer, and the buried pipeline mechanism includes There is a medium pipeline that can be arranged on the heating cable body. Through the setting of the insulating sealing layer and the moisture-proof layer, it can achieve double moisture-proof and heat preservation protection effects, and further improve the stability of the heating cable body.

(3) Beneficial effect

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. Through the setting of the external insulation protection component and the double moisture-proof and heat-preservation component, the utility model can play the role of double moisture-proof and heat preservation, so that the heat of the heating cable body is not easy to lose and leak during use, and the loss ratio of the heat tracing is small. The stability of the heating cable body is further improved.

2. The utility model can match the internal anti-falling groove through the setting of the anti-falling off insert collar, thereby improving the stability of the use between the heating cable outer sheath and the shielding protective outer sleeve.

Description of drawings

Fig. 1 is a structural schematic diagram of a buried pipeline mechanism of a specific embodiment of the utility model heating cable;

Fig. 2 is a structural schematic diagram of the heating cable body of a specific embodiment of the utility model heating cable;

Fig. 3 is a structural schematic diagram of the outer sheath of the heating cable in a specific embodiment of the utility model;

Fig. 4 is a structural schematic diagram of a shielding protective outer sleeve of a specific embodiment of the heating cable of the present invention.

The marks in the attached drawings are: 1. The body of the heating cable; 2. The connection and conduction component; 3. The external insulation protection component; 4. The buried pipeline mechanism; 5. The heating conduction component; 6. The double moisture-proof and thermal insulation component; Outer sheath; 8. Metal conductor; 9. Heating body; 10. Protective insulation layer; 11. Shielding and protective outer sleeve; 12. Elastic pressure-bearing protection inner sleeve; 13. Anti-skid sealing connection inner layer; 14. Protective air cavity; 15. sealing slot; 16. positioning clamping hole; 17. sealing inner ring; 18. positioning elastic block; 19. inner anti-falling groove; 20. anti-falling insertion collar; Conductive layer; 22. Thermal energy secondary feedback layer; 23. Insulation sealing layer; 24. Functional layer; 25. Moisture-proof layer; 26. Protective outer layer; 27. Medium pipeline.

Detailed ways

As shown in Figures 1-4, the utility model provides a heat-resistant and high-protection heating cable, which includes a heating cable body 1, a connecting conduction assembly 2 installed on the heating cable body 1, and a connecting conductor connected to the connecting conductor. The external insulation protection component 3 of the communication component 2; the buried pipeline mechanism 4 that can install the heating cable body 1 is arranged on the outside of the heating cable body 1, and the heating conduction component 5 is arranged inside the buried pipeline mechanism 4. A double moisture-proof heat preservation component 6 is arranged on the outside of the heat conduction component 5 , and the outer insulation protection component 3 includes a flat heating tape outer sheath 7 inside.

For this specific embodiment, the shape and specifications of the heating cable outer sheath 7 can be adjusted and set according to design requirements.

Wherein, the inside of the connection and conduction assembly 2 includes two metal conductors 8 made of multiple stranded or galvanized copper wires parallel to each other, and a heating element of non-metallic polymer composite conductive material is arranged between the metal conductors 8 9. The external insulation and protection component 3 includes a protective insulating layer 10 arranged outside the heating element 9, and a shielding and protecting outer sleeve 11 is arranged on the outside of the protecting and insulating layer 10, and the shielding and protecting outer sleeve 11 is provided inside There is an elastic pressure-bearing protection inner sleeve 12, and the inner side of the elastic pressure-bearing protection inner sleeve 12 is provided with an anti-skid sealing connection inner layer 13.

In addition, the outer sheath 7 of the heating cable is provided with a protective cavity 14, and the protective cavity 14 is provided with a sealing slot 15, and the inner surface of the sealing slot 15 is provided with a positioning and clamping hole 16. , the rear end of the shielding protective outer sleeve 11 is provided with a sealed and snapped inner ring 17, and the outer surface of the sealed and snapped inner ring 17 is provided with a positioning elastic block 18, and the inside of the heating cable outer sheath 7 is provided with an internal anti The shedding groove 19, the rear end of the sealed clamping inner ring 17 is fixedly connected with the anti-falling insertion collar 20 used in conjunction with the internal anti-falling groove 19, and the heating conduction component 5 includes a heat storage conduction layer 21 inside The thermal energy storage and conduction layer 21 is provided with a thermal energy secondary feedback layer 22, the thermal energy secondary feedback layer 22 is provided with an insulating sealing layer 23, and the inside of the double moisture-proof heat preservation component 6 is provided with an insulating sealing layer 23 The outer functional layer 24, the outer side of the functional layer 24 is provided with a moisture-proof layer 25, the outer side of the moisture-proof layer 25 is provided with a protective outer layer 26, and the inside of the buried pipeline mechanism 4 includes a medium pipeline 27 where the heating cable body 1 can be arranged .

It should be noted here that the number of the positioning clamping holes 16 and the positioning elastic blocks 18 can also be increased or decreased accordingly according to the needs of use.

When using the heating cable of this technical solution, the current flows from one of the metal conductors 8 to the other metal conductor 8 through the non-metal polymer composite conductive material, forming countless current loops on the cross section of the heating cable body 1, and the conductor Extruded with the heat-generating material into a core strip to form a heat-generating field. Due to the PTc characteristics of the material, the non-metallic high-density sub-composite conductive material is in the current "conduction" state when the sub-composite conductive material is initially heated. As the temperature of the core strip increases, the heat energy is transferred to The conduction resistance of the medium pipeline 27 also increases accordingly. When the predetermined temperature is reached and the thermal energy tends to be balanced, the resistivity of its non-metallic polymer composite conductive material rises to the "cut-off" state of the current, and the heating cable The output power of the main body 1 presents an alternating and dynamic change with the process of temperature rise-heat preservation-reheating-re-heat preservation. The non-metallic polymer composite conductive material also plays a role in temperature control and self-protection of current overheating while generating heat.

Claims (8)

1. A heat-resistant high-protection type heat tracing band comprises a heat tracing band body, a connecting and conducting assembly arranged on the heat tracing band body, and an external insulating protection assembly connected with the connecting and conducting assembly; the heat tracing belt protection device is characterized in that a pipeline embedding mechanism capable of installing the heat tracing belt body is arranged on the outer side of the heat tracing belt body, a heating conduction assembly is arranged inside the pipeline embedding mechanism, a double moisture-proof heat preservation assembly is arranged on the outer side of the heating conduction assembly, and a flat heat tracing belt outer sheath is arranged inside the external insulation protection assembly.

2. The heat-resistant high-protection type heat tracing band according to claim 1, wherein the inside of the connecting and conducting assembly comprises two parallel metal conductors formed by a plurality of twisted or galvanized copper wires, and a heating element made of a non-metal polymer composite conductive material is arranged between the metal conductors.

3. The heat-resistant high-protection type heat tracing band according to claim 1, wherein the outer insulation protection component comprises a protection insulation layer arranged outside the heating body, and a shielding protection outer sleeve is arranged outside the protection insulation layer.

4. The heat-resistant high-protection type heat tracing band according to claim 3, wherein an elastic pressure-bearing protection inner sleeve is arranged inside the shielding protection outer sleeve, and an anti-skid sealing connection inner layer is arranged on the inner side of the elastic pressure-bearing protection inner sleeve.

5. The heat-resistant high-protection type heat tracing band according to claim 4, wherein a protection cavity is formed inside the outer sheath of the heat tracing band, a sealing clamping groove is formed inside the protection cavity, and a positioning clamping hole is formed on the inner surface of the sealing clamping groove.

6. The heat-resistant high-protection type heat tracing band according to claim 3, wherein a sealing position retaining inner ring is arranged at the rear end of the shielding protection outer sleeve, a positioning elastic block is arranged on the outer surface of the sealing position retaining inner ring, and an internal anti-falling groove is formed in the outer sheath of the heat tracing band.

7. The heat-resistant high-protection type heat tracing band according to claim 6, wherein an anti-falling insertion collar matched with the internal anti-falling groove is fixedly connected to the rear end of the sealing clamping inner ring, a heat energy storage and conduction layer is arranged inside the heating and conduction assembly, a heat energy secondary feedback layer is arranged outside the heat energy storage and conduction layer, and an insulating sealing layer is arranged outside the heat energy secondary feedback layer.

8. The heat-resistant high-protection type heat tracing band according to claim 7, wherein the double moisture-proof and heat-insulating assembly comprises a functional layer arranged outside the insulating and sealing layer, a moisture-proof layer is arranged outside the functional layer, an outer protective layer is arranged outside the moisture-proof layer, and the buried pipeline mechanism comprises a medium pipeline in which a heat tracing band body can be arranged.

Images