CN211376240U

CN211376240U - Anti-interference power line

Info

Publication number: CN211376240U
Application number: CN201922371468.2U
Authority: CN
Inventors: 陈海兵
Original assignee: Dongguan Taichuang Electronic Technology Co ltd
Current assignee: Dongguan Taichuang Electronic Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-28
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a power cord field especially relates to an anti-interference type power cord, including connecting in the plug of power, connecting in the joint of power consumption electric appliance, connecting plug and the connecting wire of joint, the connecting wire includes outer jacket, first shielding layer, buffer layer, second shielding layer, a plurality of strand core, the outer jacket surface coating has electromagnetic shielding coating, dig in the buffer layer and be equipped with a plurality of packing chamber, it has the TPU rubber strip to fill the intracavity packing, the outer jacket cladding is in the first shielding layer outside, first shielding layer cladding is in the buffer layer outside, the buffer layer cladding is in the second shielding layer outside, a plurality of strand core evenly arrange inside the second shielding layer, the plug and the equal coating of joint surface have electromagnetic shielding coating. The utility model provides a long service life, the effectual anti-interference power cord of shielding.

Description

Anti-interference power line

Technical Field

The utility model relates to a power cord field especially relates to an anti-interference type power cord.

Background

The power cord is the electric wire of transmission current, the mode of current transmission is point-to-point transmission usually, the power cord can be divided into AC alternating current power cord and DC direct current power cord according to the usage, AC power cord is the wire rod of the alternating current of passing through the voltage is higher usually, this type of wire rod obtains the safety certification side and can formally produce because the voltage is higher needs the unified standard, but at present, because the existence of external magnetic field, the electromagnetic wave gets into the power cord, external magnetic field adds on consumer's own magnetic field, form the interference magnetic field, cause the interference to consumer, influence the normal operating of equipment, reduce the life of power cord.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a long service life, the effectual anti-interference power cord of shielding.

The utility model adopts the following technical scheme:

the utility model provides an anti-interference type power cord, is including connecting in the plug of power, connecting in the joint of power consumption electric appliance, connecting plug and the connecting wire that connects, the connecting wire includes outer jacket, first shielding layer, buffer layer, second shielding layer, a plurality of strand core, the outer surface coating of outer jacket has electromagnetic shielding coating, dig in the buffer layer and be equipped with a plurality of and fill the chamber, it has the TPU rubber strip to fill the intracavity packing, the outer jacket cladding is in the first shielding layer outside, first shielding layer cladding is in the buffer layer outside, the buffer layer cladding is in the second shielding layer outside, a plurality of strand cores are evenly arranged inside the second shielding layer, plug and the equal coating of joint surface have electromagnetic shielding coating.

The technical scheme is further improved in that a plurality of wear-resistant salient points are integrally formed on the outer surface of the outer protective layer.

The further improvement to above-mentioned technical scheme does, first shielding layer and second shielding layer are tin-plated copper wire, tin-plated copper wire includes first copper filament and second copper filament, first copper filament and the crisscross transposition of second copper filament form tin-plated copper wire, tin-plated copper wire thickness is 1.5 ~ 2.5 mm.

The technical scheme is further improved in that the damping layer is made of high-elasticity ethylene-butylene elastomer.

The technical proposal is further improved in that the electromagnetic shielding coating is one of nickel-based shielding coating, copper-based shielding coating or carbon-based shielding coating.

The technical scheme is further improved in that the wire core sequentially comprises an insulating layer, an absorbing layer and three conductive cores which are mutually twisted from outside to inside, flame-retardant fibers are filled in gaps between the conductive cores and the absorbing layer, the absorbing layer is a water blocking tape, and the three conductive cores are uniformly distributed in the absorbing layer.

The utility model has the advantages that:

1. the utility model comprises a plug connected with a power supply, a joint connected with an electric appliance, a connecting wire connecting the plug and the joint, wherein the connecting wire comprises an outer protective layer, a first shielding layer, a damping layer, a second shielding layer and a plurality of strand cores, the outer surface of the outer protective layer is coated with electromagnetic shielding coating, a plurality of filling cavities are dug in the damping layer, TPU rubber strips are filled in the filling cavities, the outer protective layer is coated outside the first shielding layer, the first shielding layer is coated outside the damping layer, the damping layer is coated outside the second shielding layer, the strand cores are uniformly arranged inside the second shielding layer, the outer surfaces of the plug and the joint are coated with electromagnetic shielding coating, the electromagnetic interference resistance of a power line is further improved by multiple electromagnetic shielding by coating, the first shielding layer and the second shielding layer are arranged, and the normal work of the equipment is ensured, improve the life of power cord, set up simultaneously and fill the TPU rubber strip, one effectively improves the shock attenuation buffering effect of power cord, avoids crushing the connecting wire and influences equipment work, and two come the TPU rubber strip to possess advantages such as mechanical strength height, effectively improve the intensity of power cord, further improve life, the practicality is strong.

2. Outer jacket surface integrated into one piece has the wear-resisting bump of a plurality of, improves the wear-resisting effect of power cord, and then promotes the life of power cord, and the practicality is strong.

3. First shielding layer and second shielding layer are tinned copper wire, the tinned copper wire includes first copper filament and second copper filament, first copper filament and the crisscross transposition of second copper filament form tinned copper wire, tinned copper wire possesses good electromagnetic shield effect, the interference killing feature of power cord has been improved, the life of power cord has been prolonged, tinned copper wire thickness is 1.5 ~ 2.5mm simultaneously, the interference killing feature is good, low cost, when tinned copper wire thickness is too little, shielding effect has been reduced, be unfavorable for the use, and tinned copper wire thickness is too big, easy improvement manufacturing cost, difficult popularization, further improve the interference killing feature.

4. The shock-absorbing layer is high-elasticity ethylene-butylene elastomer, further improves the shock-absorbing and buffering capacity of the power line, avoids the power line from being damaged due to large extrusion pressure, effectively prolongs the service life, and has strong practicability.

5. The electromagnetic shielding coating is one of a nickel-based shielding coating, a copper-based shielding coating or a carbon-based shielding coating, and the nickel-based shielding coating, the copper-based shielding coating and the carbon-based shielding coating have high electromagnetic shielding capability, so that the interference of an electromagnetic field on equipment is effectively reduced, the service life of the power line is further prolonged, and the practicability is high.

6. The cable core comprises an insulating layer, an absorbing layer and three conductive cores which are mutually twisted from outside to inside in sequence, flame-retardant fibers are filled in gaps between the conductive cores and the absorbing layer, the absorbing layer is a water blocking tape, the three conductive cores are uniformly distributed in the absorbing layer, normal and stable operation of electric equipment is further guaranteed, the water blocking tape effectively avoids water vapor invasion and electric conductivity, the flame-retardant fibers reduce fire spread, the waterproof and flame-retardant effects of the power line are improved, and the cable core is high in practicability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the connecting wire of the present invention;

fig. 3 is the schematic structural diagram of the core of the connecting wire of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention.

The first embodiment is as follows:

as shown in fig. 1-3, an anti-interference power cord includes a plug 110 connected to a power source, a connection wire 130 connected to a connector 120 of an electric appliance, the connection wire 110 and the connector 120, the connection wire 130 includes an outer sheath 131, a first shielding layer 132, a shock-absorbing layer 133, a second shielding layer 134, and four wire cores 135, the outer surface of the outer sheath 131 is coated with an electromagnetic shielding coating, eight filling cavities 133a are dug in the shock-absorbing layer 133, TPU rubber strips 133b are filled in the filling cavities 133a, the outer sheath 131 is coated on the outer side of the first shielding layer 132, the first shielding layer 132 is coated on the outer side of the shock-absorbing layer 133, the shock-absorbing layer 133 is coated on the outer side of the second shielding layer 134, the four wire cores 135 are uniformly arranged inside the second shielding layer 134, and the outer surfaces of the plug 110 and the connector 120 are coated with the electromagnetic shielding coating.

The outer surface of the outer sheath 131 is integrally formed with four wear-resistant protrusions 140.

First shielding layer 132 and second shielding layer 134 are tin-plated copper silk screen, tin-plated copper silk screen includes first copper filament and second copper filament, first copper filament and the crisscross transposition of second copper filament form tin-plated copper silk screen, tin-plated copper silk screen thickness is 1.5 ~ 2.5 mm.

The shock absorbing layer 133 is a high-elasticity ethylene-butylene elastomer.

The electromagnetic shielding coating is one of a nickel-based shielding coating, a copper-based shielding coating or a carbon-based shielding coating.

The wire core 135 sequentially includes an insulating layer 135a, an absorbing layer 135b, and three mutually twisted conductive cores 135c from outside to inside, a gap between the conductive core 135c and the absorbing layer 135b is further filled with flame retardant fibers 135d, the absorbing layer 135b is a water blocking tape, and the three conductive cores 135c are uniformly distributed in the absorbing layer 135 b.

Example two:

as shown in fig. 1-3, an anti-interference power cord includes a plug 110 connected to a power source, a connection wire 130 connected to a connector 120 of an electric appliance, the connection wire 110 and the connector 120, the connection wire 130 includes an outer sheath 131, a first shielding layer 132, a shock-absorbing layer 133, a second shielding layer 134, and a plurality of strand cores 135, the outer surface of the outer sheath 131 is coated with an electromagnetic shielding coating, a plurality of filling cavities 133a are dug in the shock-absorbing layer 133, TPU rubber strips 133b are filled in the filling cavities 133a, the outer sheath 131 is coated on the outer side of the first shielding layer 132, the first shielding layer 132 is coated on the outer side of the shock-absorbing layer 133, the shock-absorbing layer 133 is coated on the outer side of the second shielding layer 134, the plurality of strand cores 135 are uniformly arranged inside the second shielding layer 134, and the outer surfaces of the plug 110 and the connector 120 are coated with an.

Outer jacket 131 surface integrated into one piece has the wear-resisting bump 140 of a plurality of, improves the wear-resisting effect of power cord, and then promotes the life of power cord, and the practicality is strong.

First shielding layer 132 and second shielding layer 134 are tin-plated copper wire, tin-plated copper wire includes first copper filament and second copper filament, first copper filament and the crisscross transposition of second copper filament form tin-plated copper wire, tin-plated copper wire possesses good electromagnetic shield effect, the interference killing feature of power cord has been improved, the life of power cord has been prolonged, simultaneously tin-plated copper wire thickness is 1.5 ~ 2.5mm, the interference killing feature is good, low cost, when tin-plated copper wire thickness is too little, shielding effect has been reduced, be unfavorable for the use, and when tin-plated copper wire thickness is too big, easy increase in production cost, difficult popularization, further improve the interference killing feature.

Shock-absorbing layer 133 is the ethylene-butylene elastomer of high elasticity, further improves the shock attenuation buffer capacity of power cord, avoids extrusion pressure big and damage the power cord, has effectively improved life, and the practicality is strong.

The electromagnetic shielding coating is one of a nickel-based shielding coating, a copper-based shielding coating or a carbon-based shielding coating, and the nickel-based shielding coating, the copper-based shielding coating and the carbon-based shielding coating have high electromagnetic shielding capability, so that the interference of an electromagnetic field on equipment is effectively reduced, the service life of the power line is further prolonged, and the practicability is high.

The wire core 135 sequentially comprises an insulating layer 135a, an absorbing layer 135b and three conductive cores 135c twisted with each other from outside to inside, flame-retardant fibers 135d are filled in a gap between the conductive cores 135c and the absorbing layer 135b, the absorbing layer 135b is a water blocking tape, the three conductive cores 135c are uniformly distributed in the absorbing layer 135b, normal and stable work of electric equipment is further guaranteed, the water blocking tape effectively avoids water vapor from invading and conducting, the flame-retardant fibers 135d reduce fire spreading, the waterproof and flame-retardant effects of the power line are improved, and the practicability is high.

The utility model discloses a plug 110 of connecting in the power, connect in the joint 120 of power consumption electrical apparatus, connecting wire 130 of connecting plug 110 and joint 120, connecting wire 130 includes outer jacket 131, first shielding layer 132, buffer layer 133, second shielding layer 134, a plurality of strand core 135, the outer surface coating of outer jacket 131 has electromagnetic shielding coating, dig in the buffer layer 133 and be equipped with a plurality of packing chamber 133a, it has TPU rubber strip 133b to fill in packing chamber 133a, outer jacket 131 wraps in the first shielding layer 132 outside, first shielding layer 132 wraps in the buffer layer 133 outside, buffer layer 133 wraps in the second shielding layer 134 outside, a plurality of strand core 135 evenly arrange inside second shielding layer 134, plug 110 and joint 120 surface all coat has electromagnetic shielding coating, through having electromagnetic shielding coating at outer jacket 131 surface coating, set up first shielding layer 132 and second shielding layer 134, multiple electromagnetic shielding further improves the anti-interference electromagnetic capability of power cord, guarantee equipment normal work, improve the life of power cord, set up simultaneously and fill TPU rubber strip 133b, one effectively improves the shock attenuation buffering effect of power cord, avoids crushing connecting wire 130 and influences equipment work, and two TPU rubber strip 133b possess advantages such as mechanical strength height, effectively improves the intensity of power cord, further improves life, and the practicality is strong.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the present invention. It should be noted that those skilled in the art will recognize that the invention may be practiced without departing from its spirit or scope. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an anti-interference type power cord, is including connecting in the plug of power, connecting in the connecting wire of joint, connecting plug and joint of consumer, its characterized in that: the connecting wire includes outer jacket, first shielding layer, buffer layer, second shielding layer, a plurality of strand core, the outer surface coating of outer jacket has electromagnetic shielding coating, dig in the buffer layer and be equipped with a plurality of packing chamber, it has the TPU rubber strip to fill the intracavity packing, the outer jacket cladding is in the first shielding layer outside, first shielding layer cladding is in the buffer layer outside, the buffer layer wraps up in the second shielding layer outside, a plurality of strands of sinle silk evenly arrange inside the second shielding layer, plug and joint surface all coat have electromagnetic shielding coating.

2. The tamper-resistant power cord of claim 1, wherein: the outer surface of the outer protective layer is integrally formed with a plurality of wear-resistant salient points.

3. The tamper-resistant power cord of claim 1, wherein: first shielding layer and second shielding layer are tin-plated copper wire, tin-plated copper wire includes first copper filament and second copper filament, first copper filament and the crisscross transposition of second copper filament form tin-plated copper wire, tin-plated copper wire thickness is 1.5 ~ 2.5 mm.

4. The tamper-resistant power cord of claim 1, wherein: the shock absorption layer is made of high-elasticity ethylene-butylene elastomer.

5. The tamper-resistant power cord of claim 1, wherein: the electromagnetic shielding coating is one of a nickel-based shielding coating, a copper-based shielding coating or a carbon-based shielding coating.

6. The tamper-resistant power cord of claim 1, wherein: the cable core sequentially comprises an insulating layer, an absorbing layer and three conductive cores which are mutually twisted from outside to inside, flame-retardant fibers are filled in gaps between the conductive cores and the absorbing layer, the absorbing layer is a water blocking tape, and the three conductive cores are uniformly distributed in the absorbing layer.