CN210535405U

CN210535405U - Coal bunker temperature measuring cable

Info

Publication number: CN210535405U
Application number: CN201922103030.6U
Authority: CN
Inventors: 张润生
Original assignee: Hebei Hongen Sensor Technology Co Ltd
Current assignee: Hebei Hongen Sensor Technology Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-05-15
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a coal bunker temperature measurement cable, including the inner sheath, be provided with first insulation cover and second insulation cover in the inner sheath, the parcel has first sinle silk in the first insulation cover, the parcel has the second sinle silk in the second insulation cover, the second insulation intussuseption is filled with the fire prevention glue film of parcel second sinle silk, the inside packing of inner sheath has first fire-retardant layer, the outer wall parcel of inner sheath has the fine layer of glass, the fine in situ fixation of glass imbeds has the temperature sensor who runs through the inner sheath, the parcel has the crosslinked polyethylene sheath on the outer wall on the fine layer of glass, be provided with the fire-retardant layer of second on the crosslinked polyethylene sheath. This coal bunker temperature measurement cable can be when the conflagration breaing out through two fire-retardant layers, and the very big speed that delays the intensity of a fire spreads the speed, strives for the time for putting out a fire and guaranteeing coal bunker safety, and simultaneously, the fire prevention effect of improvement cable that mica tape layer can be further to inner sheath and oversheath also have extremely strong heat-resisting effect.

Description

Coal bunker temperature measuring cable

Technical Field

The utility model relates to the technical field of cables, specifically be coal bunker temperature measurement cable.

Background

The temperature measuring cable can monitor the temperature change in real time, measure the temperature change amplitude at any time, and monitor the highest temperature of the whole measured area.

In the coal bunker, because the coal bunker is more, if the conflagration appears, then can cause great incident, and because need illumination, use electrical apparatus etc. in the coal bunker, so can be provided with the cable in the coal bunker, and traditional temperature measurement cable performance is lower in the aspect of fire-resistant, and the inside or outside conflagration that takes place of cable, the intensity of a fire spreads speed very fast.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal bunker temperature measurement cable to solve the fire-resistant problem of temperature measurement cable in the coal bunker.

In order to achieve the above object, the utility model provides a following technical scheme: coal bunker temperature measurement cable, including the inner sheath, be provided with first insulating sheath and second insulating sheath in the inner sheath, the parcel has first sinle silk in the first insulating sheath, the parcel has the second sinle silk in the second insulating sheath, the second insulating intussuseption is filled with the fire prevention glue film of parcel second sinle silk, the inside packing of inner sheath has first fire-retardant layer, the outer wall parcel of inner sheath has the fine layer of glass, the fine internal fixation embedding of glass has the temperature sensor who runs through the inner sheath, the parcel has the crosslinked polyethylene sheath on the outer wall on the fine layer of glass, be provided with the fire-retardant layer of second on the crosslinked polyethylene sheath, the parcel has the mica tape layer on the fire-retardant layer of second, the parcel has the armor on the mica tape layer, the parcel has the oversheath on the armor.

Preferably, the inner and outer sheaths are made of a polyvinyl chloride material.

Preferably, the first wire core and the second wire core are made of tin-plated copper cores.

Preferably, the first flame-retardant layer and the second flame-retardant layer are formed by mixing and filling flame retardant particles and composite glue.

Preferably, the outer wall of the outer sheath is covered with a polyethylene film.

Compared with the prior art, the beneficial effects of the utility model are that: this coal bunker temperature measurement cable can be when the conflagration breaing out through two fire-retardant layers, and the very big speed that delays the intensity of a fire spreads the speed, strives for the time for putting out a fire and guaranteeing coal bunker safety, and simultaneously, the fire prevention effect of improvement cable that mica tape layer can be further to inner sheath and oversheath also have extremely strong heat-resisting effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. an inner sheath; 11. a first insulating sleeve; 12. a first wire core; 13. a second insulating sleeve; 14. a second wire core; 15. a fireproof glue layer; 16. a first flame retardant layer; 17. a temperature sensor; 18. a glass fiber layer; 19. a crosslinked polyethylene jacket; 110. a second flame retardant layer; 111. a mica tape layer; 112. armoring; 113. an outer sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the coal bunker temperature measuring cable comprises an inner sheath 1, wherein the inner sheath 1 and an outer sheath 113 are made of polyvinyl chloride materials and can have the effects of high temperature resistance and wear resistance, a first insulating sleeve 11 and a second insulating sleeve 13 are arranged in the inner sheath 1, a first wire core 12 is wrapped in the first insulating sleeve 11, a second wire core 14 is wrapped in the second insulating sleeve 13, the first wire core 12 and the second wire core 14 are both made of tinned copper cores and can improve the transmission stability of signals, a fireproof adhesive layer 15 wrapping the second wire core 14 is filled in the second insulating sleeve 13, a first flame-retardant layer 16 is filled in the inner sheath 1, a glass fiber layer 18 is wrapped on the outer wall of the inner sheath 1, a temperature sensor 17 penetrating through the inner sheath 1 is fixedly embedded in the glass fiber layer 18, the temperature sensor 17 is a DS18B20 digital sensor, a crosslinked polyethylene sheath 19 is wrapped on the outer wall of the glass fiber layer 18, a second flame-retardant layer 110 is arranged on the crosslinked polyethylene sheath 19, the first flame-retardant layer 16 and the second flame-retardant layer 110 are formed by mixing and filling flame retardant particles and composite glue, the second flame-retardant layer 110 is wrapped with a mica tape layer 111 and has a good flame-retardant effect, the mica tape layer 111 is wrapped with an armor 112, the armor 112 is wrapped with an outer sheath 113, and the outer wall of the outer sheath 113 is covered with a polyethylene film, so that a waterproof and moistureproof effect is achieved.

The utility model discloses when concrete implementation: the inner sheath 1 can perform insulation protection on the inner layer, the first wire core 12 and the second wire core 14 can be separated by the first insulating sleeve 11 and the second insulating sleeve 13, current interference between the first wire core and the second wire core is avoided, flame retardance is performed between the second wire core 14 through the fireproof glue layer 15, fire prevention is performed in the inner sheath 1 through the first flame retardant layer 16, thereby the interior has double flame-retardant structure, the probability of fire in the interior is reduced, the glass fiber layer 18 plays a role of strengthening the stability of the inner layer, the crosslinked polyethylene sheath 19, the second flame-retardant layer 110 and the mica tape layer 111 can prevent the fire in the exterior, through the condition that the cable main part spreads fast, the effectual reduction intensity of a fire spreads speed, strives for the time for the work of putting out a fire, and glass fiber layer 18 cooperation armor 112 can improve holistic tensile strength, and oversheath 113 can keep apart outside humid gas and water stain, has insulation protection's effect simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Coal bunker temperature measurement cable, including inner sheath (1), its characterized in that: the inner sheath is characterized in that a first insulating sleeve (11) and a second insulating sleeve (13) are arranged in the inner sheath (1), a first wire core (12) is wrapped in the first insulating sleeve (11), a second wire core (14) is wrapped in the second insulating sleeve (13), a fireproof adhesive layer (15) wrapping the second wire core (14) is filled in the second insulating sleeve (13), a first flame-retardant layer (16) is filled in the inner sheath (1), a glass fiber layer (18) is wrapped on the outer wall of the inner sheath (1), a temperature sensor (17) penetrating through the inner sheath (1) is embedded in the glass fiber layer (18) in a fixed mode, a cross-linked polyethylene sheath (19) is wrapped on the outer wall of the glass fiber layer (18), a second flame-retardant layer (110) is arranged on the cross-linked polyethylene sheath (19), a mica tape layer (111) is wrapped on the second flame-retardant layer (110), and an armor layer (112) is wrapped on the mica tape layer (111), an outer sheath (113) wraps the armor (112).

2. The coal bunker temperature measurement cable of claim 1, wherein: the inner sheath (1) and the outer sheath (113) are made of polyvinyl chloride material.

3. The coal bunker temperature measurement cable of claim 1, wherein: the first wire core (12) and the second wire core (14) are made of tin-plated copper cores.

4. The coal bunker temperature measurement cable of claim 1, wherein: the first flame-retardant layer (16) and the second flame-retardant layer (110) are formed by mixing and filling flame retardant particles and composite glue.

5. The coal bunker temperature measurement cable of claim 1, wherein: the outer wall of the outer sheath (113) is covered with a polyethylene film.