CN213092882U

CN213092882U - Anti-frequency converter multilayer insulated wire

Info

Publication number: CN213092882U
Application number: CN202022344616.4U
Authority: CN
Inventors: 李金磊; 周卫杰
Original assignee: Tianjin Junchi Cable Co ltd
Current assignee: Tianjin Junchi Cable Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-04-30
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a resistance to frequency converter multilayer insulated wire, including multilayer insulated wire body, the both sides of multilayer insulated wire body are equipped with first arc splint and second arc splint respectively, hinged joint is passed through to one side of first arc splint and one side of second arc splint, be equipped with spacing subassembly between first arc splint and the second arc splint, the board is pasted to the outer wall fixedly connected with of second arc splint, multilayer insulated wire body includes the conductor, the surface of conductor is equipped with the insulating layer, the surface of insulating layer is equipped with the armor, the surface of armor is equipped with fire-retardant layer, the surface of fire-retardant layer is equipped with the waterproof layer. A resistance to change ware multilayer insulated wire, fire-retardant and water-proof effects are good, the multilayer insulated wire body of being convenient for simultaneously fixes on the converter, can be so that the orderly arrangement of multilayer insulated wire body is on the converter, the later maintenance and the maintenance of being convenient for.

Description

Anti-frequency converter multilayer insulated wire

Technical Field

The utility model relates to a wire and cable technical field, in particular to resistance frequency converter multilayer insulated wire.

Background

The frequency conversion motor has the advantages that in the operation process of the frequency conversion motor, non-sine can be corrected by a capacitance inductor, higher harmonic waves can be absorbed by a capacitor, the main reason of motor heating is caused by the fact that an alternating current coil passes through direct current, the voltage required by the alternating current coil passes through alternating current is much lower, if a frequency converter is modulated by a digital carrier, the frequency of the motor is high or low, the number of three-phase modulated square waves is unchanged, when the speed regulation range is wider, the carrier frequency difference is larger, the formed output impedance difference is also large, if rated impedance is set according to central frequency, upward heating is not influenced, only output torque is reduced, downward regulation is performed with large square wave frequency difference, and the downward regulation is equivalent to direct current. The constant-impedance frequency converter is used for regulating the speed by fundamental wave oscillation frequency division, three-wave two-stage three-phase difference is formed, two-stage voltage forms a three-wave form which is similar to sine, three-phase difference forms three-phase alternating current, each three-wave form consists of a fundamental wave, the frequency division frequency is three-phase output frequency, and the fundamental wave frequency is invariable motor impedance frequency, namely the fundamental wave frequency is invariable no matter the frequency of frequency conversion output changes. However, the insulated wires cannot be fixed in a controlled manner in the using process, and the insulated wires are scattered around the frequency converter in a messy manner, so that the later maintenance and overhaul are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resistance to change ware multilayer insulated wire can effectively solve among the background art insulated wire and its fixed of uncontrollable in the use, and the insulated wire is in disorder spreads around the converter, the later maintenance of being not convenient for and the problem of overhauing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a resistance frequency converter multilayer insulated wire, includes multilayer insulated wire body, the both sides of multilayer insulated wire body are equipped with first arc splint and second arc splint respectively, hinged joint is passed through to one side of first arc splint and one side of second arc splint, be equipped with spacing subassembly between first arc splint and the second arc splint, the outer wall fixedly connected with of second arc splint pastes the board, multilayer insulated wire body includes the conductor, the surface of conductor is equipped with the insulating layer, the surface of insulating layer is equipped with the armor, the surface of armor is equipped with fire-retardant layer, the surface of fire-retardant layer is equipped with the waterproof layer, the surface of waterproof layer is equipped with the protective layer.

Preferably, spacing subassembly is including setting up in the first fixed plate of second arc splint one side outer wall, first fixed plate and second arc splint fixed connection, one side outer wall fixedly connected with second fixed plate of first arc splint, just the second fixed plate cooperatees with first fixed plate, the through-hole has all been seted up to one side of first fixed plate and second fixed plate, one side that the second fixed plate was kept away from to first fixed plate is equipped with the fly leaf, one side that the first fixed plate was kept away from to the second fixed plate is equipped with spacing post, two through-holes are run through to the one end of spacing post, just one side fixed connection of the one end of spacing post and fly leaf, the outside cover of spacing post is equipped with the spring that is located between first fixed plate and the fly leaf.

Preferably, two ends of the spring are respectively and fixedly connected with the movable plate and the first fixed plate.

Preferably, the inner walls of the first arc-shaped clamping plate and the second arc-shaped clamping plate are fixedly connected with elastic layers.

Preferably, the armor layer is a copper wire braided armor layer, and the insulating layer is a polyvinyl chloride insulating layer.

Preferably, the protective layer is a rubber elastic layer, the waterproof layer is a resin layer, and the flame-retardant layer is a magnesium oxide layer.

Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation that sets up multilayer insulated wire body, first arc splint, second arc splint, paste board, hinge, elastic layer, conductor, insulating layer, armor, fire-retardant layer, waterproof layer, protective layer and spacing subassembly, fire-retardant and water-proof effects are good, and the multilayer insulated wire body of being convenient for simultaneously is fixed on the converter, can be so that the orderly arrangement of multilayer insulated wire body is on the converter, the later maintenance and the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic view of an overall structure of a frequency converter resistant multilayer insulated wire according to the present invention;

fig. 2 is a schematic structural view of a multilayer insulated wire body of an anti-transducer multilayer insulated wire according to the present invention;

fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a multilayer insulated wire body; 2. a first arc splint; 3. a second arc-shaped splint; 4. a pasting plate; 5. a hinge; 6. an elastic layer; 7. a conductor; 8. an insulating layer; 9. an armor layer; 10. a flame retardant layer; 11. a waterproof layer; 12. a protective layer; 13. a first fixing plate; 14. a second fixing plate; 15. a through hole; 16. a limiting column; 17. a movable plate; 18. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, a frequency converter-resistant multilayer insulated wire comprises a multilayer insulated wire body 1, wherein a first arc-shaped splint 2 and a second arc-shaped splint 3 are respectively arranged on two sides of the multilayer insulated wire body 1, one side of the first arc-shaped splint 2 is connected with one side of the second arc-shaped splint 3 through a hinge 5, a limiting component is arranged between the first arc-shaped splint 2 and the second arc-shaped splint 3, an adhesive plate 4 is fixedly connected to the outer wall of the second arc-shaped splint 3, the multilayer insulated wire body 1 comprises a conductor 7, an insulating layer 8 is arranged on the outer surface of the conductor 7, an armor layer 9 is arranged on the outer surface of the insulating layer 8, a flame retardant layer 10 is arranged on the outer surface of the armor layer 9, a waterproof layer 11 is arranged on the outer surface of the flame retardant;

the limiting assembly comprises a first fixing plate 13 arranged on the outer wall of one side of the second arc-shaped clamping plate 3, the first fixing plate 13 is fixedly connected with the second arc-shaped clamping plate 3, a second fixing plate 14 is fixedly connected with the outer wall of one side of the first arc-shaped clamping plate 2, the second fixing plate 14 is matched with the first fixing plate 13, through holes 15 are formed in one sides of the first fixing plate 13 and the second fixing plate 14, a movable plate 17 is arranged on one side, away from the second fixing plate 14, of the first fixing plate 13, a limiting column 16 is arranged on one side, away from the first fixing plate 13, of the second fixing plate 14, one end of the limiting column 16 penetrates through the two through holes 15, one end of the limiting column 16 is fixedly connected with one side of the movable plate 17, and a spring 18 located between the first fixing plate; two ends of the spring 18 are fixedly connected with the movable plate 17 and the first fixed plate 13 respectively; the inner walls of the first arc-shaped clamping plate 2 and the second arc-shaped clamping plate 3 are fixedly connected with the elastic layer 6, so that the inner walls of the first arc-shaped clamping plate 2 and the second arc-shaped clamping plate 3 are fully contacted with the multilayer insulated wire body 1, and the possibility of shaking of the multilayer insulated wire body 1 relative to the first arc-shaped clamping plate 2 and the second arc-shaped clamping plate 3 is reduced; the armor layer 9 is a copper wire woven armor layer, and the insulating layer 8 is a polyvinyl chloride insulating layer; the protective layer 12 is a rubber elastic layer, the waterproof layer 11 is a resin layer, and the flame retardant layer 10 is a magnesium oxide layer.

It should be noted that, the utility model relates to a frequency converter resistant multilayer insulated wire, when using, through the flame retardant layer 10 and the waterproof layer 11 that set up, make insulated wire have fire-retardant and waterproof effect, paste the board 4 and fix on the converter through glue simultaneously, can make multilayer insulated wire body 1 neatly arrange on the converter, when needing to make multilayer insulated wire body 1 and converter separate, drive movable plate 17 and keep away from first fixed plate 13 and remove, spring 18 is in tensile state, make spacing post 16 break away from the through-hole 15 that is located on second fixed plate 14, and then remove the spacing relation of first fixed plate 13 and second fixed plate 14, through rotating first arc splint 2, remove the fixing to multilayer insulated wire body 1, and then make multilayer insulated wire body 1 and converter split, the operation procedure is simple and convenient, in a similar way, the installation of the multilayer insulated wire body 1 can be completed by reversely operating the splitting steps, so that the later maintenance and the overhaul are facilitated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anti-frequency converter multilayer insulated wire, characterized in that: comprises a multilayer insulated wire body (1), a first arc-shaped clamping plate (2) and a second arc-shaped clamping plate (3) are respectively arranged on two sides of the multilayer insulated wire body (1), one side of the first arc-shaped splint (2) is connected with one side of the second arc-shaped splint (3) through a hinge (5), a limiting component is arranged between the first arc-shaped clamping plate (2) and the second arc-shaped clamping plate (3), the outer wall of the second arc-shaped splint (3) is fixedly connected with an adhesive plate (4), the multilayer insulated wire body (1) comprises a conductor (7), an insulating layer (8) is arranged on the outer surface of the conductor (7), an armor layer (9) is arranged on the outer surface of the insulating layer (8), a flame retardant layer (10) is arranged on the outer surface of the armor layer (9), the outer surface of the flame-retardant layer (10) is provided with a waterproof layer (11), and the outer surface of the waterproof layer (11) is provided with a protective layer (12).

2. The frequency converter resistant multilayer insulated wire according to claim 1, characterized in that: the limiting assembly comprises a first fixing plate (13) arranged on the outer wall of one side of a second arc-shaped clamping plate (3), the first fixing plate (13) is fixedly connected with the second arc-shaped clamping plate (3), a second fixing plate (14) is fixedly connected with the outer wall of one side of a first arc-shaped clamping plate (2), the second fixing plate (14) is matched with the first fixing plate (13), through holes (15) are formed in one sides of the first fixing plate (13) and the second fixing plate (14), a movable plate (17) is arranged on one side, away from the second fixing plate (14), of the first fixing plate (14) is provided with a limiting column (16), one end of the limiting column (16) penetrates through the two through holes (15), and one end of the limiting column (16) is fixedly connected with one side of the movable plate (17), the outer part of the limiting column (16) is sleeved with a spring (18) positioned between the first fixed plate (13) and the movable plate (17).

3. The frequency converter resistant multilayer insulated wire according to claim 2, characterized in that: and two ends of the spring (18) are respectively fixedly connected with the movable plate (17) and the first fixed plate (13).

4. The frequency converter resistant multilayer insulated wire according to claim 1, characterized in that: the inner walls of the first arc-shaped clamping plate (2) and the second arc-shaped clamping plate (3) are fixedly connected with an elastic layer (6).

5. The frequency converter resistant multilayer insulated wire according to claim 1, characterized in that: the armor layer (9) is a copper wire woven armor layer, and the insulating layer (8) is a polyvinyl chloride insulating layer.

6. The frequency converter resistant multilayer insulated wire according to claim 1, characterized in that: the protective layer (12) is a rubber elastic layer, the waterproof layer (11) is a resin layer, and the flame-retardant layer (10) is a magnesium oxide layer.