CN216623789U - Light elevator cable - Google Patents
Light elevator cable Download PDFInfo
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- CN216623789U CN216623789U CN202122698071.1U CN202122698071U CN216623789U CN 216623789 U CN216623789 U CN 216623789U CN 202122698071 U CN202122698071 U CN 202122698071U CN 216623789 U CN216623789 U CN 216623789U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a light-weight elevator cable. The elevator cable comprises a signal cable (1), a power cable (2) and an outer sheath (3), wherein the outer sheath wraps the outer sides of the signal cable and the power cable; the signal cable comprises a signal core wire (11), a first signal wire insulating layer (12) and a signal shielding layer (13); the signal core wire comprises a signal conductive wire (111), a signal wire reinforcing wire (112), a second signal wire insulating layer (113) and a third signal wire insulating layer (114); the power cable comprises a power core wire (21) and a first power line insulation layer (22); the power core wire comprises a power conductive wire (211), a power line reinforcing wire (212), a second power line insulating layer (213) and a third power line insulating layer (214); the signal conductive wire and the power conductive wire are both made of copper-clad aluminum materials. The elevator cable is light in overall weight and convenient to transport, install and maintain.
Description
Technical Field
The utility model relates to an elevator cable, in particular to a light-weight elevator cable.
Background
At present, a common elevator cable is formed by extruding a PVC insulating layer on a conductor and twisting a plurality of pure copper conductive wires together to form a plurality of groups of cable cores and sheaths, and the service temperature of the elevator cable is usually between-15 ℃ and 70 ℃. Because the pure copper conductive wire that the elevator cable adopted, its unit volume's weight is great, and the PVC insulating layer is also relatively thicker for the weight of whole elevator cable is great, and is extremely inconvenient when carrying out transportation, installation and maintenance. The pure copper conductive wires are adopted to form the cable core, so that the whole manufacturing cost of the elevator cable is higher. In addition, the elevator cable adopts a PVC insulating layer, the temperature adaptability and fire resistance of the elevator cable are not ideal, and the elevator cable can be easily damaged and power failure occurs once a fire occurs.
Disclosure of Invention
The utility model aims to provide a light-weight elevator cable, in which a conductive wire in a core wire is made of a copper-clad aluminum material, so that the elevator cable is light in overall weight and convenient to transport, install and maintain.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a light-weight elevator cable comprises a signal cable, a plurality of power cables and an outer sheath, wherein the signal cable and the plurality of power cables are arranged side by side, and the outer sheath wraps the outer sides of the signal cable and the plurality of power cables; the signal cable comprises a plurality of signal core wires, a first signal wire insulating layer and a signal shielding layer, the signal core wires are twisted together, the first signal wire insulating layer wraps the outer sides of the twisted signal core wires, and the signal shielding layer wraps the outer sides of the first signal wire insulating layer; the signal core wire comprises a plurality of signal conductive wires, a plurality of signal wire reinforcing wires, a second signal wire insulating layer and a third signal wire insulating layer, the signal conductive wires and the signal wire reinforcing wires are combined into a signal strand, the second signal wire insulating layer wraps the outer side of the signal strand, and the third signal wire insulating layer wraps the outer side of the second signal wire insulating layer; the power cable comprises a plurality of power core wires and a first power line insulating layer, the power core wires are twisted together in a complex mode, and the first power line insulating layer wraps the outer sides of the twisted power core wires; the power core wire comprises a plurality of power conductive wires, a plurality of power line reinforcing wires, a second power line insulating layer and a third power line insulating layer, the power conductive wires and the power line reinforcing wires are combined into a power line strand, the second power line insulating layer wraps the outer side of the power line strand, and the third power line insulating layer wraps the outer side of the second power line insulating layer; the signal conductive wire and the power conductive wire are both made of copper-clad aluminum materials.
Furthermore, the signal line reinforcing wire and the power line reinforcing wire are both ultra-high molecular weight polyethylene fibers.
Furthermore, the first signal line insulating layer and the first power line insulating layer are both formed by winding and wrapping polyester tapes.
Further, the second signal line insulating layer and the second power line insulating layer are formed by winding and wrapping mica tapes.
Further, the signal shielding layer is an aluminum magnesium alloy wire braided layer.
Further, the third signal line insulating layer, the third power line insulating layer and the outer sheath are all made of TPE materials.
Further, the elevator cable includes four power cables in number.
Further, the signal cable comprises seven strands of signal core wires.
Further, the power cable includes seven power cores.
In the elevator cable, the signal conductive wire and the power conductive wire are both made of copper-clad aluminum materials, and the weight of the conductive wire in unit volume is lighter than that of a conventional conductive wire made of pure copper materials due to the copper-clad aluminum materials, so that the overall weight of the elevator cable can be effectively reduced, and the elevator cable is convenient to transport, install and maintain. Because the price of pure copper is expensive, the copper clad aluminum material is adopted to replace the pure copper material, so that the manufacturing cost of the whole elevator cable can be effectively reduced. The core wire in the elevator cable adopts the combination of the reinforcing wire and the conductive wire, so that the tensile strength of the whole elevator cable can be improved. The signal line reinforcing wire and the power line reinforcing wire both adopt ultra-high molecular weight polyethylene fibers, so that the elevator cable has excellent tensile strength. First signal line insulating layer and first power line insulating layer all adopt the polyester tape winding cladding to form to make the holistic temperature adaptability of elevator cable stronger, can adapt to great difference in temperature environment. The second signal line insulating layer and the second power line insulating layer are formed by winding and coating mica tapes, so that the overall fire resistance of the elevator cable can be improved. The signal shielding layer is an aluminum magnesium alloy wire braided layer, and the aluminum magnesium alloy wire braided layer has the advantages of light weight and low price while realizing the signal shielding function, so that the overall weight of the elevator cable is further reduced, and the manufacturing cost is reduced. Third signal line insulating layer, third power line insulating layer and oversheath all adopt the TPE material to make the elevator cable can fully adapt to the demand that the elevator frequently moved from top to bottom and adapt to the greasy dirt environment in the elevator shaft.
Compared with the elevator cable in the prior art, the elevator cable has the following beneficial effects:
1) the elevator cable is light in overall weight and convenient to transport, install and maintain;
2) the temperature adaptability of the elevator cable is strong, and the elevator cable can adapt to a large temperature difference environment;
3) the tensile strength of the elevator cable is good, and the inner core wire is not easy to break and lose efficacy;
4) the elevator cable has good fire resistance, and can keep a period of effective electrifying time when meeting a fire condition, thereby reducing the loss of personnel and property;
5) the elevator cable has good aging resistance and oil resistance, and can adapt to the requirement of frequent up-and-down operation of the elevator and adapt to the oil pollution environment in the elevator shaft.
Drawings
Fig. 1 is a schematic view of the construction of a lightweight elevator cable of the present invention;
fig. 2 is a schematic view of the structure of a signal cable in an elevator cable according to the present invention;
fig. 3 is a schematic view of the structure of a power cable in an elevator cable of the present invention.
In the figure: 1-signal cable, 11-signal core wire, 111-signal conductive wire, 112-signal wire reinforcing wire, 113-second signal wire insulating layer, 114-third signal wire insulating layer, 12-first signal wire insulating layer, 13-signal shielding layer, 2-power cable, 21-power core wire, 211-power conductive wire, 212-power wire reinforcing wire, 213-second power wire insulating layer, 214-third power wire insulating layer, 22-first power wire insulating layer, 3-outer sheath.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples:
referring to fig. 1 to 3, the present embodiment provides a lightweight elevator cable having a light overall weight, thereby facilitating transportation, installation, and maintenance.
Referring to fig. 1, the elevator cable of the present embodiment includes a signal cable 1, four power cables 2, and an outer sheath 3. The signal cable 1 and the four power cables 2 are arranged side by side, and the outer sheath 3 wraps the signal cable 1 and the four power cables 2. The signal cable 1 is used for transmitting control and display signals of elevator operation, the power cable 2 is used for providing power for elevator operation, and the outer sheath 3 can protect the signal cable 1 and the power cable 2 inside the outer sheath from being damaged by the external environment.
In other embodiments, the number of power cables 2 included in the elevator cable is not limited to four, and several power cables may be included as needed.
Referring to fig. 2, the signal cable 1 includes seven signal core wires 11, a first signal wire insulating layer 12 and a signal shielding layer 13, the seven signal core wires 11 are twisted together, the first signal wire insulating layer 12 is wrapped on the outer side of the twisted seven signal core wires 11, and the signal shielding layer 13 is wrapped on the outer side of the first signal wire insulating layer 12.
In other embodiments, the number of signal cores 11 included in the signal cable 1 is not limited to seven, and several signal cores may be included as necessary.
The signal core wire 11 includes a plurality of signal conductive wires 111, a plurality of signal wire reinforcing wires 112, a second signal wire insulating layer 113, and a third signal wire insulating layer 114. The signal conductive wires 111 and the signal wire reinforcing wires 112 are combined into a signal wire strand after strand processing, the second signal wire insulating layer 113 is wrapped on the outer side of the signal wire strand combined by the signal conductive wires 111 and the signal wire reinforcing wires 112, and the third signal wire insulating layer 114 is wrapped on the outer side of the second signal wire insulating layer 113.
Referring to fig. 3, the power cable 2 includes seven power cores 21 and a first power line insulating layer 22, the seven power cores 21 are twisted together, and the first power line insulating layer 22 is wrapped outside the twisted seven power cores 21.
In other embodiments, the number of the power cores 21 included in the power cable 2 is not limited to seven, and several power cores may be included as necessary.
The power core 21 includes a plurality of power conductive filaments 211, a plurality of power line reinforcing filaments 212, a second power line insulating layer 213, and a third power line insulating layer 214. The plurality of power conductive wires 211 and the plurality of power line reinforcing wires 212 are combined into a power line strand after strand processing, the second power line insulating layer 213 is wrapped on the outer side of the power line strand formed by combining the plurality of power conductive wires 211 and the plurality of power line reinforcing wires 212, and the third power line insulating layer 214 is wrapped on the outer side of the second power line insulating layer 213.
In this embodiment, the signal conductive wire 111 and the power conductive wire 211 are made of copper-clad aluminum. Compared with the traditional pure copper conductive wire, the copper-clad aluminum conductive wire has lighter weight per unit volume, so that the whole weight of the elevator cable can be effectively reduced, and the elevator cable is convenient to transport, install and maintain. In addition, because the price of pure copper is expensive, the copper clad aluminum material is adopted to replace the pure copper material, so that the manufacturing cost of the elevator cable can be effectively reduced.
In the present embodiment, the signal line reinforcing wires 112 and the power line reinforcing wires 212 are used for the purpose of increasing the tensile strength of the entire elevator cable. The signal line reinforcing fiber 112 and the power line reinforcing fiber 212 are preferably ultra-high molecular weight polyethylene fibers. The ultra-high molecular weight polyethylene fiber is the fiber with the highest specific strength and specific modulus in the world at present, so that the elevator cable has excellent tensile strength.
In the present embodiment, the first signal line insulating layer 12 and the first power line insulating layer 22 are both formed by winding and covering a polyester tape. The polyester belt is a material which can resist high temperature and low temperature, so that the whole temperature adaptability of the elevator cable is strong, and the elevator cable can adapt to a large temperature difference environment.
In the present embodiment, the second signal line insulating layer 113 and the second power line insulating layer 213 are each formed by winding and coating a mica tape. The mica tape is an insulating material with excellent fire resistance, so that the overall fire resistance of the elevator cable can be improved.
In the present embodiment, the signal shielding layer 13 is preferably an aluminum magnesium alloy wire braid. The aluminum-magnesium alloy wire braided layer has the advantages of light weight and low price while realizing the signal shielding function, thereby further reducing the whole weight of the elevator cable and reducing the manufacturing cost.
In this embodiment, the third signal line insulating layer 114, the third power line insulating layer 214 and the outer sheath 3 are all made of TPE. The TPE is an abbreviation of Thermoplastic rubber, and the intermediate text is a Thermoplastic elastomer and is a material with high elasticity, ageing resistance and oil resistance, so that the elevator cable can fully meet the requirement of frequent up-and-down running of an elevator and adapt to the oil pollution environment in an elevator shaft. More optimally, the TPE material adopted by the third signal line insulating layer 114, the third power line insulating layer 214 and the outer sheath 3 is a TPE material with a temperature tolerance in a range of-40 ℃ to 125 ℃, so as to further improve the temperature adaptability of the elevator cable.
Compared with the traditional elevator cable, the elevator cable of the embodiment has the advantages that:
1) the elevator cable is light in overall weight and convenient to transport, install and maintain;
2) the temperature adaptability of the elevator cable is strong, and the elevator cable can adapt to a large temperature difference environment;
3) the elevator cable has good tensile strength, and the inner core wire is not easy to break and lose efficacy;
4) the elevator cable has good fire resistance, and can keep a period of effective electrifying time when meeting a fire condition, thereby reducing the loss of personnel and property;
5) the elevator cable has good aging resistance and oil resistance, and can adapt to the requirement of frequent up-and-down operation of an elevator and adapt to the oil pollution environment in an elevator shaft.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A light elevator cable comprises a signal cable (1), a plurality of power cables (2) and an outer sheath (3), wherein the signal cable (1) and the plurality of power cables (2) are arranged side by side, and the outer sheath (3) wraps the outer sides of the signal cable (1) and the plurality of power cables (2);
the method is characterized in that: the signal cable (1) comprises a plurality of signal core wires (11), a first signal wire insulating layer (12) and a signal shielding layer (13), wherein the signal core wires (11) are twisted together, the first signal wire insulating layer (12) wraps the outer side of the twisted signal core wires (11), and the signal shielding layer (13) wraps the outer side of the first signal wire insulating layer (12);
the signal core wire (11) comprises a plurality of signal conductive wires (111), a plurality of signal wire reinforcing wires (112), a second signal wire insulating layer (113) and a third signal wire insulating layer (114), wherein the signal conductive wires (111) and the signal wire reinforcing wires (112) are combined into a signal wire strand, the second signal wire insulating layer (113) wraps the outer side of the signal wire strand, and the third signal wire insulating layer (114) wraps the outer side of the second signal wire insulating layer (113);
the power cable (2) comprises a plurality of power core wires (21) and a first power line insulating layer (22), the power core wires (21) are twisted together, and the first power line insulating layer (22) wraps the outer sides of the twisted power core wires (21);
the power core wire (21) comprises a plurality of power conductive wires (211), a plurality of power line reinforcing wires (212), a second power line insulating layer (213) and a third power line insulating layer (214), wherein the power conductive wires (211) and the power line reinforcing wires (212) are combined into a power line strand, the second power line insulating layer (213) wraps the outer side of the power line strand, and the third power line insulating layer (214) wraps the outer side of the second power line insulating layer (213);
the signal conductive wire (111) and the power conductive wire (211) are both made of copper-clad aluminum materials.
2. The lightweight elevator cable of claim 1, wherein: the signal line reinforcing wire (112) and the power line reinforcing wire (212) are both ultra-high molecular weight polyethylene fibers.
3. The lightweight elevator cable of claim 1, wherein: the first signal line insulating layer (12) and the first power line insulating layer (22) are formed by winding and wrapping polyester tapes.
4. The lightweight elevator cable of claim 1, wherein: the second signal line insulating layer (113) and the second power line insulating layer (213) are formed by winding and wrapping mica tapes.
5. The lightweight elevator cable of claim 1, wherein: the signal shielding layer (13) is an aluminum magnesium alloy wire braided layer.
6. The lightweight elevator cable of claim 1, wherein: and the third signal line insulating layer (114), the third power line insulating layer (214) and the outer sheath (3) are all made of TPE materials.
7. The lightweight elevator cable of claim 1, wherein: the elevator cable comprises four power cables (2).
8. The lightweight elevator cable of claim 1, wherein: the signal cable (1) comprises seven signal core wires (11).
9. The lightweight elevator cable of claim 1, wherein: the number of the power core wires (21) included in the power cable (2) is seven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122698071.1U CN216623789U (en) | 2021-11-05 | 2021-11-05 | Light elevator cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122698071.1U CN216623789U (en) | 2021-11-05 | 2021-11-05 | Light elevator cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216623789U true CN216623789U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122698071.1U Active CN216623789U (en) | 2021-11-05 | 2021-11-05 | Light elevator cable |
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| Country | Link |
|---|---|
| CN (1) | CN216623789U (en) |
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2021
- 2021-11-05 CN CN202122698071.1U patent/CN216623789U/en active Active
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