CN219267324U - Extremely cold resistant control cable - Google Patents

Abstract

The utility model relates to the technical field of control cables, in particular to an extremely cold-resistant control cable, which comprises a cable core and a flame-retardant structure; the flame retardant structure includes a plurality of flame retardant components and cold-resistant part, flame retardant components includes the insulating layer, high temperature resistant layer, flame retardant layer, glass fiber, insulating layer parcel cable core itself provides insulating effect and adopts crosslinked polyethylene heat resistance better, high temperature resistant layer parcel insulating layer outer lane can bear higher temperature when cable core temperature is too high and prevent burning, flame retardant layer is used for even high temperature resistant layer high temperature takes place the range flame retardant layer that burns also can restrict burning and adopts polyethylene material, even if burn also can restrict the scope of burning, glass fiber band layer is used for parcel flame retardant layer, thereby solve when cable high power operation calorific capacity is too big, can lead to the cable core to generate heat and cause the whole large tracts of land burning of cable to cause the problem of potential safety hazard.

Description

A kind of extremely cold resistant control cable

technical field

The utility model relates to the technical field of control cables, in particular to an extremely cold-resistant control cable.

Background technique

Cables are used to connect various circuits. Cables are used in all walks of life. Our territory is vast, so there is a large temperature difference in different areas. In extreme weather, it is necessary to use a compressive, tensile, and low temperature resistant The control cable is connected to the circuit.

The prior art (CN210984377U) discloses a control cable resistant to compression, tension, and low temperature. A cross-linked polyethylene insulation layer is arranged outside the conductor, and a copper wire braided shielding layer is wrapped on the outside of the cross-linked polyethylene insulation layer. Ester wrapping tape, polyester wrapping tape is equipped with tensile elastic tape outside, and outer sheath of cold-resistant polyvinyl chloride material is set outside the tensile elastic tape, the cable core pitch multiple is less than 8, and the conductor is copper Twisted tow, used in extreme cold weather to avoid fracturing and breaking.

However, with the above method, when the heat generated by the high-power operation of the cable is too large, it may cause the cable core to overheat and cause the entire cable to burn in a large area and cause safety hazards.

Utility model content

The purpose of this utility model is to provide a control cable resistant to extreme cold, aiming at solving the problem of the existing control cable with resistance to compression, tension and low temperature. When the heat generated by the high-power operation of the cable is too large, it may cause the cable core to overheat and cause the overall failure of the cable. Large-area burning causes potential safety hazards.

In order to achieve the above purpose, the utility model provides an extremely cold-resistant control cable, including a cable core and a flame-retardant structure;

The flame retardant structure includes a plurality of flame retardant components and cold-resistant components, and the multiple flame retardant components are respectively arranged on one side of the plurality of cable cores; the flame retardant components include an insulating layer, a high temperature resistant layer, and a flame retardant layer , a glass fiber wrapping layer and a reinforcement; the insulating layer is fixedly connected to the cable core and located on one side of the cable core; the high temperature resistant layer is fixedly connected to the insulating layer and located on the insulating layer One side; the flame-retardant layer is fixedly connected to the high-temperature-resistant layer, and is located on one side of the high-temperature-resistant layer; the glass fiber tape layer is fixedly connected to the flame-resistant layer, and is located on the flame-resistant layer One side; the reinforcing member is arranged on one side of the glass fiber wrapping layer; the cold-resistant component is arranged on one side of a plurality of the reinforcing members.

Wherein, the reinforcing member includes an inner shielding layer, an inner waterproof layer and a Teflon wrapping layer, and the inner shielding layer is fixedly connected to the glass fiber tape layer and is located on one side of the glass fiber tape layer; The inner waterproof layer is fixedly connected to the inner shielding layer and is located on one side of the inner shielding layer; the Teflon wrapping layer is fixedly connected to the inner waterproof layer and is located on one side of the inner waterproof layer .

Wherein, the reinforcing member further includes a ceramicized silicone rubber sheath layer, and the ceramicized silicone rubber sheath layer is fixedly connected to the Teflon wrapping layer and is located on one side of the Teflon wrapping layer.

Wherein, the cold-resistant component includes a buffer filling layer, an insulating braided wrapping layer, a polyester wrapping tape layer and a tensile elastomer wrapping layer, and the buffer filling layer is respectively fixed to a plurality of the ceramicized silicone rubber sheath layers connected, and located on one side of multiple ceramicized silicone rubber sheath layers; the insulating braided wrapping layer is fixedly connected to the buffer filling layer, and located on one side of the buffer filling layer; the polyester wrapping tape layer and The insulating braided wrapping layer is fixedly connected and located on one side of the insulating braided wrapping layer; the tensile elastomer wrapping layer is fixedly connected to the polyester wrapping tape layer and positioned on the polyester wrapping tape layer layer side.

Wherein, the extremely cold-resistant control cable further includes a mounting frame and two fixing plates, the mounting frame is fixedly connected to the tensile elastomer tape layer, and is located on one side of the tensile elastomer tape layer; The two fixing plates are respectively fixedly connected with the installation frame, and are respectively located at two sides of the installation frame.

The utility model relates to an extremely cold-resistant control cable. A plurality of the cable cores cooperate with each other to form a control cable. The insulating layer wraps the cable core itself to provide insulation effect. The high-temperature-resistant layer wraps the outer ring of the insulating layer. When the temperature of the cable core is too high, the high-temperature-resistant layer can withstand higher temperatures to prevent burning. Burning the flame retardant layer can also limit the range of burning. The flame retardant layer is made of polyethylene material, which can limit the range of burning even if it is burned. The glass fiber wrapping layer is used to wrap the flame retardant layer, and then cooperate with the The strengthening member provides a protective effect to prevent damage to the inner cable core, and the cold-resistant component is used to wrap a plurality of the cable cores as a whole to form a control cable. The cold-resistant component has good cold resistance in extremely cold weather to prevent The whole cable is damaged due to the embrittlement of the extreme cold weather, so as to solve the problem that when the high-power operation of the cable generates too much heat, the heating of the cable core may cause the entire cable to burn in a large area and cause potential safety hazards.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following briefly introduces the drawings that are required in the description of the embodiments or the prior art.

Fig. 1 is a schematic diagram of the overall structure of the first embodiment of the utility model.

Fig. 2 is a schematic diagram of the overall structure of the cable core and the flame retardant component of the first embodiment of the present invention.

Fig. 3 is a schematic diagram of the overall structure of the second embodiment of the utility model.

101-cable core, 102-flame retardant component, 103-cold resistant component, 104-insulation layer, 105-high temperature resistant layer, 106-flame retardant layer, 107-glass fiber wrapping layer, 108-strengthening member, 109-inner shield layer, 110-inner waterproof layer, 111-Teflon wrapping layer, 112-ceramic silicone rubber sheath layer, 113-buffer filling layer, 114-insulation braided wrapping layer, 115-polyester wrapping tape layer, 116 - Tensile elastic body wrapping layer, 201 - installation frame, 202 - fixing plate.

Detailed ways

The first embodiment of the present application is:

Please refer to Figures 1-2, wherein Figure 1 is a schematic diagram of the overall structure of the first embodiment of the utility model, and Figure 2 is a schematic diagram of the overall structure of the cable core and the flame-retardant components of the first embodiment of the utility model.

The utility model provides an extremely cold-resistant control cable: it includes a cable core 101 and a flame-retardant structure, and the flame-retardant structure includes a plurality of flame-retardant parts 102 and cold-resistant parts 103, and the flame-resistant parts 102 include an insulating layer 104, a High temperature layer 105, flame retardant layer 106, glass fiber tape layer 107 and reinforcement 108, said reinforcement 108 includes inner shielding layer 109, inner waterproof layer 110, Teflon wrapping layer 111 and ceramic silicone rubber sheath Layer 112, the cold-resistant component 103 includes a buffer filling layer 113, an insulating braided wrapping layer 114, a polyester wrapping tape layer 115 and a tensile elastomer wrapping layer 116, through the foregoing solution to solve the problem of existing compression, tensile, and low temperature resistance For control cables, when the cable generates too much heat during high-power operation, it may cause the cable core 101 to overheat and cause the entire cable to burn in a large area and cause potential safety hazards.

For this specific embodiment, a plurality of the cable cores 101 cooperate with each other to form a cable connection device.

Wherein, the flame retardant structure includes a plurality of flame retardant components 102 and cold-resistant components 103, and a plurality of the flame retardant components 102 are respectively arranged on one side of the plurality of the cable cores 101; the flame retardant components 102 include an insulating layer 104 , high temperature resistant layer 105, flame retardant layer 106, glass fiber wrapping layer 107 and reinforcement 108; the insulating layer 104 is fixedly connected with the cable core 101, and is located at one side of the cable core 101; the high temperature resistant The layer 105 is fixedly connected to the insulating layer 104 and is located on one side of the insulating layer 104; the flame retardant layer 106 is fixedly connected to the high temperature resistant layer 105 and is located on one side of the high temperature resistant layer 105; The glass fiber tape layer 107 is fixedly connected to the flame retardant layer 106, and is located on one side of the flame retardant layer 106; the reinforcement 108 is arranged on one side of the glass fiber tape layer 107; the cold-resistant component 103 It is arranged on one side of the plurality of strengthening members 108, and the plurality of cable cores 101 cooperate with each other to form a control cable. The insulating layer 104 wraps the cable core 101 itself to provide insulation effect and adopts cross-linked polyethylene with good heat resistance. , the high temperature resistant layer 105 wraps the outer ring of the insulating layer 104. When the temperature of the cable core 101 is too high, the high temperature resistant layer 105 can withstand a higher temperature to prevent burning, and the flame retardant layer 106 is used for even all The high temperature resistant layer 105 burns when the temperature is too high. The flame retardant layer 106 can also limit the range of burning. The flame retardant layer 106 is made of polyethylene material, which can limit the range of burning even if it burns. Used to wrap the flame-retardant layer 106, and then cooperate with the reinforcing member 108 to provide a protective effect to prevent damage to the inner cable core 101, and the cold-resistant component 103 is used to wrap a plurality of the cable cores 101 as a whole to finally form a control cable , the cold-resistant component 103 has good cold-resistant performance in extremely cold weather to prevent the entire cable from being brittle due to extreme cold weather and causing the entire cable to be damaged.

Secondly, the inner shielding layer 109 is fixedly connected to the glass fiber wrapping layer 107, and is located on one side of the glass fiber wrapping layer 107; the inner waterproof layer 110 is fixedly connected to the inner shielding layer 109, and Located on one side of the inner shielding layer 109; the Teflon wrapping layer 111 is fixedly connected to the inner waterproof layer 110, and is located on one side of the inner waterproof layer 110, and the inner shielding layer 109 is wrapped in the On the glass fiber wrapping layer 107, a signal shielding effect is provided so that the signals of the multiple cable cores 101 will not conflict with each other and affect the use effect of the final cable. The inner waterproof layer 110 uses non-woven aluminum foil to prevent water from intruding into the interior and affecting all When the cable core 101 is short-circuited, the Teflon wrapping layer 111 is coated and wrapped to the inner waterproof layer 110 to increase anti-corrosion performance.

At the same time, the ceramized silicone rubber sheath layer 112 is fixedly connected with the Teflon wrapping layer 111, and is positioned at one side of the Teflon wrapping layer 111, and the ceramized silicone rubber sheath layer 112 will The Teflon is wrapped around the cladding 111 to increase wear resistance and finally complete the overall wrapping of the cable core 101 .

In addition, the buffer filling layer 113 is respectively fixedly connected with a plurality of the ceramized silicone rubber sheath layers 112, and is located on one side of the plurality of ceramized silicone rubber sheath layers 112; The buffer filling layer 113 is fixedly connected and is located on the side of the buffer filling layer 113; the polyester wrapping tape layer 115 is fixedly connected to the insulating braided wrapping layer 114 and is located on the side of the insulating braided wrapping layer 114; The tensile elastic body tape layer 116 is fixedly connected with the polyester tape layer 115, and is located on one side of the polyester tape layer 115, and the buffer filling layer 113 wraps a plurality of the cable cores 101 is wrapped to provide elastic cushioning, the insulating braided wrapping layer 114 wraps the buffer filling layer 113 as a whole, and then has an insulating effect to prevent internal current leakage, and the polyester wrapping tape layer 115 has good cold resistance The tensile elastic tape layer 116 makes the entire cable less prone to embrittlement in extremely cold weather.

When the extremely cold-resistant control cable described in this embodiment is used, a plurality of the cable cores 101 cooperate with each other to form a control cable, and the insulating layer 104 wraps the cable core 101 itself to provide insulation effect. The heat resistance is better, the high temperature resistant layer 105 wraps the outer ring of the insulating layer 104. When the temperature of the cable core 101 is too high, the high temperature resistant layer 105 can withstand higher temperatures to prevent burning, and the flame retardant layer 106 The flame retardant layer 106 is used to limit the range of burning even if the temperature of the high temperature resistant layer 105 is too high to burn. The flame retardant layer 106 is made of polyethylene material, which can limit the range of burning even if it burns. The tape layer 107 is used to wrap the flame retardant layer 106, and the inner shielding layer 109 is wrapped on the glass fiber tape layer 107 to provide a signal shielding effect so that the signals of the multiple cable cores 101 will not conflict with each other Affect the use effect of the final cable. The inner waterproof layer 110 uses non-woven aluminum foil to prevent water from intruding into the interior and affecting the short circuit of the cable core 101. The Teflon wrapping layer 111 is applied and wrapped to the inner waterproof layer 110 to increase Anti-corrosion performance, the ceramized silicone rubber sheath layer 112 wraps the Teflon wrapping layer 111, increases wear resistance and finally completes the overall wrapping of the cable core 101, and the cold-resistant component 103 is used to A plurality of the cable cores 101 are integrally wrapped to finally form a control cable, the buffer filling layer 113 wraps the plurality of the cable cores 101 to provide elastic buffering, and the insulating braided wrapping layer 114 wraps the buffer filling layer 113 as a whole live, and then has an insulating effect to prevent internal current leakage. The polyester wrapping tape layer 115 has good cold resistance and cooperates with the tensile elastomer tape layer 116, so that the cable as a whole is not easy to occur in extremely cold weather Embrittlement, so as to solve the problem that when the high-power operation of the cable generates too much heat, it may cause the cable core 101 to heat up and cause the entire cable to burn in a large area and cause potential safety hazards.

The second embodiment of the present application is:

On the basis of the first embodiment, please refer to FIG. 3 , wherein FIG. 3 is a schematic diagram of the overall structure of the second embodiment of the present invention.

The utility model provides an extremely cold-resistant control cable, which further includes a mounting frame 201 and two fixing plates 202 .

Wherein, the installation frame 201 is fixedly connected with the tensile elastomer tape layer 116, and is located on one side of the tensile elastomer tape layer 116; the two fixing plates 202 are connected with the installation frame 201 fixedly connected, and respectively located on both sides of the installation frame 201, the installation frame 201 is arranged on the tensile elastic body tape layer 116, and when the cable is installed as a whole, use screws to pass through the fixing plates 202 on both sides. The cable is fixed on the ground as a whole to complete the fixing of the cable as a whole, which makes it more convenient to install the cable.

When the extremely cold-resistant control cable described in this embodiment is used, the installation frame 201 is arranged on the tensile elastic body tape layer 116. After the cable is installed as a whole, screws are used to pass through the fixing plates on both sides. 202 fixes the cable as a whole on the ground, completes the fixing of the cable as a whole, and makes it more convenient to install the cable.

What is disclosed above is only one or more preferred embodiments of the present application, and should not be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the process of realizing the above embodiments, and according to this The equivalent changes made in the claims of the application still belong to the scope covered by the application.

Claims (5)

1. An extremely cold resistant control cable comprises a cable core and is characterized in that,

also comprises a flame retardant structure;

the flame-retardant structure comprises a plurality of flame-retardant components and cold-resistant components, and the flame-retardant components are respectively arranged on one sides of the cable cores; the flame-retardant component comprises an insulating layer, a high temperature resistant layer, a flame-retardant layer, a glass fiber wrapping tape layer and a reinforcing piece; the insulating layer is fixedly connected with the cable core and is positioned at one side of the cable core; the high temperature resistant layer is fixedly connected with the insulating layer and is positioned at one side of the insulating layer; the flame-retardant layer is fixedly connected with the high-temperature-resistant layer and is positioned at one side of the high-temperature-resistant layer; the glass fiber tape layer is fixedly connected with the flame-retardant layer and is positioned at one side of the flame-retardant layer; the reinforcing piece is arranged on one side of the glass fiber wrapping tape layer; the cold-resistant component is arranged on one side of the plurality of reinforcing pieces.

2. An extremely cold resistant control cable according to claim 1, characterized in that,

the reinforcing piece comprises an inner shielding layer, an inner waterproof layer and a Teflon wrapping layer, wherein the inner shielding layer is fixedly connected with the glass fiber wrapping layer and is positioned at one side of the glass fiber wrapping layer; the inner waterproof layer is fixedly connected with the inner shielding layer and is positioned at one side of the inner shielding layer; the Teflon wrapping layer is fixedly connected with the inner waterproof layer and is positioned on one side of the inner waterproof layer.

3. An extremely cold resistant control cable according to claim 2, characterized in that,

the reinforcing piece further comprises a ceramic silicon rubber sheath layer, wherein the ceramic silicon rubber sheath layer is fixedly connected with the Teflon wrapping layer and is positioned on one side of the Teflon wrapping layer.

4. An extremely cold resistant control cable according to claim 3,

the cold-resistant component comprises a buffer filling layer, an insulating woven wrapping layer, a polyester wrapping tape layer and a tensile elastic body wrapping tape layer, wherein the buffer filling layer is fixedly connected with the ceramic silicon rubber sheath layers respectively and is positioned at one side of the ceramic silicon rubber sheath layers; the insulation woven wrapping layer is fixedly connected with the buffer filling layer and is positioned at one side of the buffer filling layer; the polyester wrapping tape layer is fixedly connected with the insulation woven wrapping layer and is positioned at one side of the insulation woven wrapping layer; the tensile elastic body wrapping tape layer is fixedly connected with the polyester wrapping tape layer and is positioned on one side of the polyester wrapping tape layer.

5. An extremely cold resistant control cable according to claim 4,

the extremely cold resistant control cable also comprises a mounting frame and two fixing plates, wherein the mounting frame is fixedly connected with the tensile elastic body wrapping band layer and is positioned at one side of the tensile elastic body wrapping band layer; the two fixing plates are fixedly connected with the mounting frame respectively and are located at two sides of the mounting frame respectively.

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