CN212161390U

CN212161390U - Safe and environment-friendly cable for flame-retardant control instrument

Info

Publication number: CN212161390U
Application number: CN202020815136.9U
Authority: CN
Inventors: 盛中红; 许启发; 刘学宝; 吴小敏; 周俊; 王亭
Original assignee: Sinostar Cable Co ltd
Current assignee: Sinostar Cable Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-12-15
Anticipated expiration: 2030-05-16

Abstract

The utility model relates to a fire-retardant control of safe environment-friendly cable for instrument, it includes the conductor outside is equipped with the insulating layer, and they constitute electrically conductive unit, and a plurality of electrically conductive unit are circumscribed to be set up, are equipped with filling layer I in their outside I outside of filling layer is equipped with the shielding layer outside is equipped with fire prevention isolation layer I, and they constitute the cable core body, and a plurality of cable core bodies are circumscribed to be set up, are equipped with filling layer II in their outside II outsides of filling layer are equipped with around the covering be equipped with fire prevention isolation layer II around the covering outside II outsides of fire prevention isolation layer are equipped with the outer jacket. The utility model discloses signal transmission is stable, and fire behavior is good, whole environmental protection.

Description

Safe and environment-friendly cable for flame-retardant control instrument

Technical Field

The utility model relates to a cable, concretely relates to cable for control instrument.

Background

For a long time, the insulating materials of the cables and the wires used in the domestic market are mainly polyvinyl chloride and polyethylene materials, the cables and the wires produced by the traditional polyvinyl chloride and polyethylene processes are easy to cause fire when short circuit occurs, the smoke density is high during combustion, a large amount of harmful halogen gas is generated, the harmful halogen gas directly harms the physical and mental health and property safety of people, and the harmful halogen gas is eliminated in developed countries such as the United states, Japan and the like. Therefore, it is urgent to develop environment-friendly electric wires and cables to replace the conventional electric wires and cables.

Disclosure of Invention

The purpose of the invention is as follows: the utility model aims at overcoming the not enough among the prior art, provide a signal transmission is stable, and fire behavior is good, the cable for the control instrument of whole environmental protection.

The technical scheme is as follows: in order to solve the technical problem, a safe environment-friendly flame-retardant control is cable for instrument, it includes the conductor outside is equipped with the insulating layer, and they constitute electrically conductive unit, and a plurality of electrically conductive unit are circumscribed to be set up, are equipped with filling layer I in their outside I outside of filling layer is equipped with the shielding layer outside is equipped with fire prevention isolation layer I, and they constitute the cable core body, and a plurality of cable core bodies are circumscribed to be set up, are equipped with filling layer II in their outside II outsides of filling layer are equipped with around the covering be equipped with fire prevention isolation layer II around the covering outside II outsides of fire prevention isolation layer are equipped with the outer jacket.

Preferably, the insulating layer is a PO polyolefin layer.

Preferably, two conductive elements are arranged externally.

Preferably, the two cable core bodies are externally tangent.

Preferably, the outer sheath is a PO polyolefin layer.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has reasonable overall structure, the insulating layer and the outer protective layer are both made of PO polyolefin layers, the cable can form a hard shell after burning, flame can be effectively prevented from continuing burning, corrosive gases such as HCL and the like are not generated during burning, the damage to personnel, equipment and instruments is small, the shielding layer is arranged outside the filling layer I, the shielding layer can play a role in shielding, electrostatic interference and electromagnetic induction can be effectively prevented, the stability of signal transmission is ensured, in addition, the fireproof isolation layer I is arranged outside the shielding layer, the cable can prevent flame from entering the cable under the condition of fire, the insulating conductive unit is protected from being invaded by external flame, the fireproof isolation layer II is adopted, the fireproof isolation is started from the outer layer, the normal operation of the cable core body is ensured, the cable has no defects of high smoke generation and high toxicity after burning, and the release of gases such as black smoke or HCL is avoided, reduce the discharge of toxic gas in the flue gas and reduce the pollution to the environment.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in figure 1, a fire-retardant control of safe environment-friendly cable for instrument, it includes conductor 1 outside is equipped with insulating layer 2, insulating layer 2 is the PO polyolefin layer, and they constitute electrically conductive unit 3, and two 3 circumscribed settings of electrically conductive unit are equipped with filling layer I4 in their outside filling layer I4 outside is equipped with shielding layer 5 outside is equipped with fire prevention isolation layer I6, and they constitute cable core body 7, and two 7 circumscribed settings of cable core body are equipped with filling layer II 8 in their outside filling layer II 8 outside is equipped with around covering 9 be equipped with fire prevention isolation layer II 10 around covering 9 outside fire prevention isolation layer II 10 outside is equipped with outer jacket 11, outer jacket 11 is the PO polyolefin layer. The utility model has reasonable overall structure, the insulating layer and the outer protective layer are both made of PO polyolefin layers, the cable can form a hard shell after burning, flame can be effectively prevented from continuing burning, corrosive gases such as HCL and the like are not generated during burning, the damage to personnel, equipment and instruments is small, the shielding layer is arranged outside the filling layer I, the shielding layer can play a role in shielding, electrostatic interference and electromagnetic induction can be effectively prevented, the stability of signal transmission is ensured, in addition, the fireproof isolation layer I is arranged outside the shielding layer, the cable can prevent flame from entering the cable under the condition of fire, the insulating conductive unit is protected from being invaded by external flame, the fireproof isolation layer II is adopted, the fireproof isolation is started from the outer layer, the normal operation of the cable core body is ensured, the cable has no defects of high smoke generation and high toxicity after burning, and the release of gases such as black smoke or HCL is avoided, reduce the discharge of toxic gas in the flue gas and reduce the pollution to the environment.

The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.

Claims

1. The utility model provides a cable for fire-retardant control instrument of safe environment-friendly which characterized in that: it includes conductor (1) outside is equipped with insulating layer (2), and they constitute electrically conductive unit (3), and a plurality of electrically conductive unit (3) are circumscribed to set up, are equipped with filling layer I (4) in their outside filling layer I (4) outside is equipped with shielding layer (5) outside is equipped with fire prevention isolation layer I (6), and they constitute cable core body (7), and a plurality of cable core bodies (7) are circumscribed to set up, are equipped with filling layer II (8) in their outside filling layer II (8) outside is equipped with around covering (9) be equipped with fire prevention isolation layer II (10) around covering (9) outside fire prevention isolation layer II (10) outside is equipped with outer jacket (11).

2. The cable for the safe and environment-friendly flame-retardant control instrument according to claim 1, characterized in that: the insulating layer (2) is a PO polyolefin layer.

3. The cable for the safe and environment-friendly flame-retardant control instrument according to claim 1, characterized in that: the two conductive units (3) are externally tangent.

4. The cable for the safe and environment-friendly flame-retardant control instrument according to claim 1, characterized in that: the two cable core bodies (7) are externally tangent.

5. The cable for the safe and environment-friendly flame-retardant control instrument according to claim 1, characterized in that: the outer protective layer (11) is a PO polyolefin layer.