CN217008776U - Small-signal high-frequency wire for high-fidelity sound equipment - Google Patents

Small-signal high-frequency wire for high-fidelity sound equipment Download PDF

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Publication number
CN217008776U
CN217008776U CN202220105653.6U CN202220105653U CN217008776U CN 217008776 U CN217008776 U CN 217008776U CN 202220105653 U CN202220105653 U CN 202220105653U CN 217008776 U CN217008776 U CN 217008776U
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wire
twisted pair
shielding layer
frequency
control circuit
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CN202220105653.6U
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Chinese (zh)
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杨洪卫
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Shandong Mashiji Automotive Electronic Systems Co.,Ltd.
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Jinan Mashiji Intelligent Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a small-signal high-frequency wire for high-fidelity sound equipment, which relates to the technical field of cables and is characterized in that an aluminum-clad wire and a main shielding layer are sequentially arranged from outside to inside, wherein the main shielding layer is provided with a cross separation frame, the cross separation frame divides the cross section area of the high-frequency wire into four regions, a strand of wire harness is respectively arranged in four different regions, the wire harness is provided with a twisted pair protection layer, a shielding twisted pair group is arranged in the twisted pair protection layer, and a high-frequency cable core is arranged in the shielding twisted pair group. The utility model can improve the high fidelity capability and has strong practicability.

Description

Small-signal high-frequency wire for high-fidelity sound equipment
Technical Field
The utility model relates to the technical field of cables, in particular to a small-signal high-frequency wire for high-fidelity sound equipment.
Background
In the field of electronics, High fidelity (High-Fi) audio can perfectly reproduce original sound or video. The sound system can play the program through the hi-fi system according to the intention of the hi-fi system, and the effect of the program played on site is the same as or basically close to that played on site. The fidelity of the audio equipment, although many quantitative technical indicators are specified, such as frequency response, distortion, transient response and signal-to-noise ratio, etc., they are only measurable indicators that should be achieved to check the fidelity of the equipment.
In the application of sound equipment, the problem of anti-interference capability is always a concern, in order to obtain the optimal signal switching separation degree, besides a highly-sealed non-pollution high-quality steel belt inhaul cable switch is adopted for sound source switching, communication cables with better anti-interference capability, signal to noise ratio and the like are also needed, the cable adopted in the prior art has poorer anti-interference capability, and the high fidelity capability is weakened.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the technology, the utility model discloses a small-signal high-frequency wire for high-fidelity sound equipment, which can improve the high-fidelity capability and has strong practicability.
The utility model adopts the following technical scheme:
the utility model provides a high-fidelity is small-signal high frequency electric wire for stereo set, wherein has set gradually aluminium skin envelope curve and total shield layer from outer to interior, wherein total shield layer is provided with the cross and separates the frame, the cross separates the frame and divides into four regions with the cross-sectional area of high frequency electric wire, and wherein four different regions set up a pencil respectively, the pencil is provided with the twisted pair protective layer, be provided with the shielding twisted pair group in the twisted pair protective layer, be provided with the high frequency cable core in the shielding twisted pair group.
As a further technical scheme of the utility model, the cross section thickness of the aluminum-clad covered wire is 10mm-15 mm.
As a further technical scheme of the utility model, the total shielding layer comprises an inner shielding layer and an outer shielding layer, wherein the inner shielding layer is made of metallized paper or a semiconductor paper tape, the outer shielding layer is made of a copper strip, and the thickness of the total shielding layer is 5mm-10 mm.
As a further technical scheme of the utility model, the cross-shaped separation frame is made of insulating paper, laminated boards, rubber, plastics, paint, glass, ceramics or mica.
As a further technical scheme of the utility model, the copper conductor is arranged in the twisted wire protection layer, and the plastic rubber skin is arranged outside the twisted wire protection layer.
As a further technical scheme of the utility model, the high-frequency cable core is made of copper or aluminum.
As a further technical scheme of the utility model, the wire information realizes data information interaction through a transmitting end and a receiving end;
the signal of the transmitting end is controlled by a first MCU control circuit, the input end of the first MCU control circuit is connected with an infrared remote control receiving head, an IPOD player connecting port, an audio frequency access port and an AM/FM receiving port, and the output end of the first MCU control circuit is connected with a frequency modulation transmitting circuit and a transmitting end monitoring circuit;
the receiving end signal is controlled by a second MCU control circuit, the input end of the second MCU control circuit is connected with an audio access terminal and an FM receiving terminal, and the output end of the second MCU control circuit is connected with a class D audio amplifier.
As a further technical scheme of the utility model, the class D audio amplifier comprises a sound high-frequency amplifying circuit, and the sound high-frequency amplifying circuit comprises an LC oscillating circuit.
Has the positive and beneficial effects that:
the utility model is sequentially provided with the aluminum covered wire and the total shielding layer from outside to inside, wherein the total shielding layer is provided with the cross-shaped separation frame to separate different wire harnesses, so that the anti-interference capability among different wire harnesses can be effectively improved. The high-frequency cable cores are arranged in the shielding pair twisted wire set, so that the data communication capacity of small signals can be improved. The electric wire information passes through transmitting terminal and receiving terminal and realizes the data information interaction, and the transmitting terminal signal passes through first MCU control circuit control, and the receiving terminal signal passes through second MCU control circuit control, through keeping apart the signal, realizes the transmission and the information interaction of hi-fi stereo set with the small-signal high frequency electric wire, has improved the hi-fi ability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise, wherein:
FIG. 1 is a schematic cross-sectional structure diagram of a small-signal high-frequency electric wire for high-fidelity audio of the present invention;
FIG. 2 is a schematic diagram of an embodiment of the present invention of a small-signal high-frequency electric wire for high-fidelity audio equipment;
FIG. 3 is a schematic diagram of a high-frequency amplifying circuit of a hi-fi sound in an embodiment of the utility model using a small-signal high-frequency electric wire;
the labels in the figure are:
1-1-aluminum covered wire; 2-total shield layer; 3-a cross partition frame; 4-twisted wire protection layer; 5-unshielded twisted pair group; 6-high frequency cable core.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
As shown in fig. 1, a small-signal high-frequency electric wire for a high-fidelity sound box, wherein an aluminum covered wire 1 and a total shielding layer 2 are sequentially arranged from outside to inside, wherein the total shielding layer 2 is provided with a cross partition frame 3, the cross partition frame 3 divides the cross sectional area of the high-frequency electric wire into four regions, wherein four different regions are respectively provided with a strand bundle, the strand bundle is provided with a twisted pair protection layer 4, a shielding twisted pair group 5 is arranged in the twisted pair protection layer 4, and a high-frequency cable core 6 is arranged in the shielding twisted pair group 5.
The aluminum-clad wire and the main shielding layer are sequentially arranged from outside to inside, wherein the main shielding layer is provided with the cross-shaped separation frame to separate different wire harnesses, and the anti-interference capability among different wire harnesses can be effectively improved. The high-frequency cable cores are arranged in the shielding pair twisted wire set, so that the data communication capacity of small signals can be improved.
In the utility model, the cross section thickness of the aluminum covered wire 1 is 10mm-15 mm.
In the utility model, the total shielding layer 2 comprises an inner shielding layer and an outer shielding layer, wherein the inner shielding layer is made of metallized paper or a semiconductor paper tape, the outer shielding layer is made of a copper strip, and the thickness of the total shielding layer 2 is 5mm-10 mm.
In the utility model, the material of the cross-shaped separation frame 3 is insulating paper, a laminated board, rubber, plastic, paint, glass, ceramic or mica.
In the utility model, a copper conductor is arranged in the twisted wire protection layer 4, and a plastic rubber sheath is arranged outside the twisted wire protection layer.
In the present invention, the high-frequency cable core 6 is made of copper or aluminum.
In the above embodiment, the conventional twisted pair cable is formed by twisting 4 twisted pairs of wires counterclockwise with each other at a certain density and wrapping them with a metal layer or a plastic-rubber sheath. The diameter of the copper wire is o.4mm-1 mm. The twist direction is counterclockwise, the lay length is 3.81 cm to 14cm, and the difference in twist length between adjacent twisted pairs is about 1.27 cm. The twisted pair's winding density and twist direction, as well as the insulation, directly affect its characteristic impedance, attenuation, and near-end crosstalk.
As shown in fig. 2, the wire information realizes data information interaction through a transmitting end and a receiving end; the signal of the transmitting end is controlled by a first MCU control circuit, the input end of the first MCU control circuit is connected with an infrared remote control receiving head, an IPOD player connecting port, an audio frequency access port and an AM/FM receiving port, and the output end of the first MCU control circuit is connected with a frequency modulation transmitting circuit and a transmitting end monitoring circuit; the receiving end signal is controlled by a second MCU control circuit, the input end of the second MCU control circuit is connected with an audio access terminal and an FM receiving terminal, and the output end of the second MCU control circuit is connected with a class D audio amplifier.
In the utility model, the data information interaction of the wire information is realized through the transmitting terminal and the receiving terminal, the transmitting terminal signal is controlled through the first MCU control circuit, the receiving terminal signal is controlled through the second MCU control circuit, and the transmission and the information interaction of the small-signal high-frequency wire for the high-fidelity sound are realized by isolating the signals, so that the high-fidelity capability is improved.
As shown in fig. 3, the class D audio amplifier includes a high frequency audio amplifier circuit including an LC oscillator circuit. In the circuit, input end information resonates through an LC oscillating circuit, and information amplification is carried out through a resonant circuit through a crystal amplifying tube, so that the small signal amplification capacity can be improved.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are merely illustrative and that various omissions, substitutions and changes in the form of the detail of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the utility model. For example, it is within the scope of the present invention to combine the steps of the above-described methods to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the utility model is to be limited only by the following claims.

Claims (7)

1. The utility model provides a high-fidelity is small-signal high frequency electric wire for stereo set which characterized in that: the shielding structure comprises an aluminum covered wire (1) and a total shielding layer (2) which are sequentially arranged from outside to inside, wherein the total shielding layer (2) is provided with a cross separation frame (3), the cross separation frame (3) divides the cross section area of a high-frequency wire into four areas, a strand is respectively arranged in four different areas, the strand is provided with a twisted pair protection layer (4), a shielding twisted pair group (5) is arranged in the twisted pair protection layer (4), a high-frequency cable core (6) is arranged in the shielding twisted pair group (5), and the cross section thickness of the aluminum covered wire (1) is 10-15 mm.
2. A small signal high frequency electric wire for hi-fi audio according to claim 1, characterized in that: the total shielding layer (2) comprises an inner shielding layer and an outer shielding layer, wherein the inner shielding layer is made of metallized paper or a semiconductor paper tape, the outer shielding layer is made of a copper strip, and the thickness of the total shielding layer (2) is 5mm-10 mm.
3. A small signal high frequency electric wire for hi-fi audio according to claim 1, characterized in that: the cross-shaped separation frame (3) is made of insulating paper, laminated boards, rubber, plastics, paint, glass, ceramics or mica.
4. A small signal high frequency electric wire for hi-fi audio according to claim 1, characterized in that: and a copper conductor is arranged in the twisted pair protection layer (4), and a plastic rubber sheath is arranged outside the twisted pair protection layer.
5. A small signal high frequency electric wire for hi-fi audio according to claim 1, characterized in that: the high-frequency cable core (6) is made of copper or aluminum.
6. A small signal high frequency electric wire for high fidelity audio according to any of claims 1 to 5, characterized in that: the high-frequency wire information realizes data information interaction through a transmitting end and a receiving end;
the signal of the transmitting end is controlled by a first MCU control circuit, the input end of the first MCU control circuit is connected with an infrared remote control receiving head, an IPOD player connecting port, an audio frequency access port and an AM/FM receiving port, and the output end of the first MCU control circuit is connected with a frequency modulation transmitting circuit and a transmitting end monitoring circuit;
the receiving end signal is controlled by a second MCU control circuit, the input end of the second MCU control circuit is connected with an audio access terminal and an FM receiving terminal, and the output end of the second MCU control circuit is connected with a class D audio amplifier.
7. A small signal high frequency electric wire for high fidelity audio according to claim 6, characterized in that: the D-class audio amplifier comprises a sound high-frequency amplifying circuit, and the sound high-frequency amplifying circuit comprises an LC oscillating circuit.
CN202220105653.6U 2022-01-17 2022-01-17 Small-signal high-frequency wire for high-fidelity sound equipment Active CN217008776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220105653.6U CN217008776U (en) 2022-01-17 2022-01-17 Small-signal high-frequency wire for high-fidelity sound equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220105653.6U CN217008776U (en) 2022-01-17 2022-01-17 Small-signal high-frequency wire for high-fidelity sound equipment

Publications (1)

Publication Number Publication Date
CN217008776U true CN217008776U (en) 2022-07-19

Family

ID=82388423

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220105653.6U Active CN217008776U (en) 2022-01-17 2022-01-17 Small-signal high-frequency wire for high-fidelity sound equipment

Country Status (1)

Country Link
CN (1) CN217008776U (en)

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20240410

Address after: Unit 101-103, Unit 1, Building 17, Zhongou Zhizao Port, No. 2 Mingyuan Street, High tech Zone, Jinan City, Shandong Province, 250000

Patentee after: Shandong Mashiji Automotive Electronic Systems Co.,Ltd.

Country or region after: China

Address before: 250000 Keyuan street, economic development zone, Shanghe County, Jinan City, Shandong Province

Patentee before: JINAN MASHIJI INTELLIGENT ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right