CN208225591U - Hybrid electric motor band shields connecting cable - Google Patents

Abstract

The utility model discloses a shielded connection cable for a hybrid motor, which comprises rubber strips, four power lines, two signal lines, a tape layer, a tinned copper braid layer, an aluminum foil layer and a PUR outer covering layer. The signal line Including two strands of signal wires and an aluminum foil covering on the two strands of signal wires; the utility model has an ingenious and reasonable structural design, and is equipped with rubber strips, which not only enhances the overall anti-pull performance, but also improves the roundness of the appearance; The core wire is covered with a tape layer, a tinned copper braid layer, an aluminum foil layer and a PUR outer layer in sequence, and is isolated by a tinned copper braid layer and an aluminum foil layer, which has a good shielding effect and effectively improves the anti-radiation and anti-interference capabilities , reduce external interference, and protect the power line and signal line through the tape layer and the PUR outer layer, which has good oil resistance, chemical resistance and wear resistance, good toughness, tear resistance, greatly The service life of the cable is prolonged, which is conducive to widespread popularization and use.

Description

Hybrid motors with shielded connection cables

technical field

The utility model relates to the technical field of wires and cables, in particular to a shielded connection cable for a hybrid motor.

Background technique

Although the wire and cable industry is only a supporting industry, it accounts for 1/4 of the output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing, and is closely related to various sectors of the national economy. Wires and cables are also known as the "arteries" and "nerves" of the national economy. They are indispensable basic equipment for transmitting electric energy, transmitting information, manufacturing various motors, instruments, and meters, and realizing electromagnetic energy conversion. Basic products necessary in a modernized society.

The connecting wires of the conventional hybrid stepping motors usually consist of a conductive copper core and an insulating layer. As we all know, wires with this structure will generate electromagnetic radiation when they are energized, and at the same time, they will also be interfered by electromagnetic waves from other electronic components, so that the normal operation of the hybrid stepping motor is often affected by electromagnetic interference during use. That is, its anti-interference is poor, and it is easily affected by the outside world, which affects the transmission of signals. And its anti-pull performance is poor.

Utility model content

In view of the above shortcomings, the purpose of this utility model is to provide a hybrid motor with a shielded connection cable with good shielding effect, strong anti-interference, anti-pull, and long service life.

In order to achieve the above purpose, the technical solution provided by the utility model is: a hybrid motor with a shielded connection cable, which includes rubber strips, four power lines, two signal lines, a tape layer, a tinned copper braid layer, and an aluminum foil layer And the PUR outer layer, the four-strand power line is divided into two groups symmetrically distributed on the upper and lower positions of the rubber strip, and the two signal lines are symmetrically located on the left and right positions of the rubber strip, and are twisted with the rubber strip as the center. The core wire, the tape layer, the tinned copper braid layer, the aluminum foil layer and the PUR outer layer are sequentially coated on the core wire; the signal wire includes two signal wires and the aluminum foil coated on the two signal wires Outer quilt.

As an improvement of the present invention, the signal wire includes a signal conductor and a TPE insulating layer covering the signal conductor.

As an improvement of the utility model, the power cord includes a power conductor and a TPE insulating layer covering the power conductor.

As an improvement of the utility model, the thickness of the PUR outer coating layer is 10.2-10.8mm.

As an improvement of the utility model, the thickness of the wrapping layer is 0.3-0.4 mm.

As an improvement of the utility model, the thickness of the tinned copper braiding layer is 0.2-0.3 mm.

As an improvement of the utility model, the thickness of the aluminum foil layer is 0.1-0.2 mm.

As an improvement of the present utility model, the outer surface of the PUR outer coating layer is provided with a plurality of protruding lines extending along its axial direction, and the protruding lines are embedded with grounding wires. Connect one end of the ground wire to the tinned copper braid, and the other end to ground, which can improve the shielding effect and has strong anti-interference ability.

The beneficial effects of the utility model are: the utility model has an ingenious and reasonable structural design, and the addition of rubber strips not only enhances the overall anti-pull performance, but also improves the roundness of the appearance; the core wire is coated with a tape layer in turn , Tinned copper braiding layer, aluminum foil layer and PUR outer layer, separated by tinned copper braiding layer and aluminum foil layer, the shielding effect is good, effectively improving the anti-radiation and anti-interference ability, reducing external interference, and through the wrapping layer and The PUR outer layer protects the power line and signal line. It has good oil resistance, chemical resistance and wear resistance. It has good toughness and tear resistance, which greatly prolongs the service life of the cable and is conducive to widespread use.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

Referring to Fig. 1, a shielded connection cable for a hybrid motor provided in this embodiment includes a rubber strip 1, four power lines 2, two signal lines 3, a tape layer 4, a tinned copper braid layer 5, and an aluminum foil layer 6 and the PUR outer layer 7, the four power lines 2 are divided into two groups and distributed symmetrically on the upper and lower positions of the rubber strip 1, and the two signal lines 3 are symmetrically located on the left and right positions of the rubber strip 1 respectively, and the rubber strip 1 is used as the For a core wire formed by twisting the center phase, the tape layer 4, tinned copper braid layer 5, aluminum foil layer 6 and PUR outer coating layer 7 are sequentially covered on the core wire. The rubber strip 1 is added, which not only enhances the overall anti-tear performance, but also improves the roundness of the appearance; the core wire is covered with a tape layer 4, a tinned copper braid layer 5, an aluminum foil layer 6 and a PUR sheath in sequence Layer 7, isolated by tinned copper braid layer 5 and aluminum foil layer 6, has good shielding effect, effectively improves anti-radiation and anti-interference ability, reduces external interference, and connects power line 2 through tape layer 4 and PUR outer layer 7 It is covered and protected with the signal line 3, has good oil resistance, chemical resistance and wear resistance, good toughness, tear resistance, and greatly prolongs the service life of the cable.

The signal wire 3 includes two strands of signal conductors 31 and an outer jacket 32 of aluminum foil covering the two strands of signal conductors 31 . An aluminum foil outer quilt 32 is added to further enhance the shielding effect and have strong anti-interference ability.

Specifically, the signal wire 31 includes a signal conductor and a TPE insulating layer covering the signal conductor. The power cord 2 includes a power conductor and a TPE insulating layer covering the power conductor. The thickness of the PUR outer coating layer 7 is 10.2-10.8 mm, preferably 10.5 mm. The thickness of the wrapping layer 4 is 0.3-0.4 mm, preferably 0.35 mm. The thickness of the tinned copper braiding layer 5 is 0.2-0.3 mm, preferably 0.25 mm. The thickness of the aluminum foil layer 6 is 0.1-0.2 mm, preferably 0.15 mm.

Preferably, in order to further improve the effect of wear resistance and tensile resistance, a plurality of convex lines (not shown in the figure) extending along the axial direction are provided on the outer surface of the PUR outer coating layer 7 . The convex strips can enhance the tensile performance, and when in use, the convex strips are in contact with other objects or the base surface first, so as to avoid direct contact with the PUR outer coating layer 7 and improve the service life. In addition, a grounding wire is embedded in the protrusion. Connecting one end of the grounding wire to the tinned copper braid 5 and grounding the other end can further improve the shielding effect and enhance the anti-interference ability. In addition, the PUR outer coating layer 7 may also be provided with spiral convex strips wound on its outer surface, and the whole is sheathed on the PUR outer coating layer 7 in the shape of a spring. The spiral convex strips can improve wear resistance and pull resistance without affecting flexibility. Preferably, a grounding wire is also embedded in the spiral convex strips. Connecting one end of the grounding wire to the tinned copper braid 5 and grounding the other end can further improve the shielding effect and enhance the anti-interference ability.

Preferably, the utility model servo motor connection cable can also be provided with a steel wire with a square cross-sectional profile between the aluminum foil layer 6 and the PUR outer layer 7, and the steel wire is along the axial direction of the PUR outer layer 7. extend. The steel wire is added to enhance the tensile performance, and it is also convenient to quickly peel off the PUR outer layer when pulling the steel wire, which brings convenience to the wiring process. Of course, it is also possible to cover the outer surface of the PUR outer layer 7 with a polyester fiber braided layer to protect the PUR outer layer 7 from or less affected by various light, heat, tide, low temperature, acid-base gas, etc. and the external environment. Mechanical damage ensures the safe operation of the cable in harsh environments and further prolongs the service life. In order to improve the cooperation effect between the PUR outer layer 7 and the polyester fiber braided layer, the outer surface of the PUR outer layer 7 is covered with bumps that can be snapped into the meshes of the polyester fiber braided layer.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. As described in the above embodiments of the utility model, wires and cables of other structures obtained by adopting the same or similar structure are all within the protection scope of the utility model.

Claims (7)

1. A hybrid motor band shielded connecting cable, characterized in that it comprises rubber strips, four strands of power wires, two strands of signal wires, a tape layer, a tinned copper braid, an aluminum foil layer and a PUR outer layer, and four strands of power wires It is divided into two groups of core wires that are symmetrically distributed on the upper and lower positions of the rubber strip and two signal lines are symmetrically located on the left and right positions of the rubber strip, and are twisted with the rubber strip as the center. The tinned copper braiding layer, the aluminum foil layer and the PUR sheathing layer are sequentially covered on the core wire; the signal wire includes two strands of signal wires and an outer sheath of aluminum foil wrapped on the two strands of signal wires. 2. The hybrid electric motor with shielded connection cable according to claim 1, characterized in that: the power cord comprises a power conductor and a TPE insulating layer covering the power conductor. 3. The shielded connection cable for hybrid motors according to claim 1, characterized in that: the thickness of the PUR outer coating is 10.2-10.8 mm. 4. The hybrid electric motor with shield connection cable according to claim 1, characterized in that: the thickness of the wrapping layer is 0.3-0.4mm. 5. The hybrid electric motor with shield connection cable according to claim 1, characterized in that: the thickness of the tinned copper braiding layer is 0.2-0.3mm. 6. The hybrid electric motor with shield connection cable according to claim 1, characterized in that: the thickness of the aluminum foil layer is 0.1-0.2mm. 7. The hybrid motor with shielded connection cable according to any one of claims 1-6, characterized in that: the outer surface of the PUR outer layer is provided with a plurality of convex strips extending along its axial direction, the A grounding wire is embedded in the protruding strip.