CN116564584A - Wire harness and head-mounted equipment - Google Patents

Abstract

The present disclosure relates to a wire harness and a head-mounted device capable of effectively reducing the space size of the wire harness or effectively increasing the power and/or ground wires in the wire harness. The wire harness includes: a sub-harness including a plurality of signal lines; a power line; the absolute value of the difference between the cross-sectional diameter of the sub-harness and the cross-sectional diameter of the power line is less than or equal to a first threshold value.

Description

Wire harness and head-mounted equipment

Technical Field

The disclosure relates to the technical field of head-mounted equipment, in particular to a wire harness and head-mounted equipment.

Background

At present, most of batteries of the head-mounted equipment are arranged at the rear of the battery, so that a long battery line is inevitably arranged between the battery and a host of the front head-mounted equipment, and the battery line is thicker as much as possible because the power consumption of the head-mounted equipment is larger and the battery capacity is larger, so that the battery line occupies a larger space.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a wire harness and a head-mounted device.

In a first aspect of the embodiments of the present disclosure, there is provided a wire harness including: a sub-harness including a plurality of signal lines; a power line; the absolute value of the difference between the cross-sectional diameter of the sub-harness and the cross-sectional diameter of the power line is less than or equal to a first threshold value.

Optionally, the plurality of signal lines included in the sub-harness are on-network signal lines.

Optionally, the wire harness further includes: a ground wire; the absolute value of the difference between the cross-sectional diameter of the sub-harness and the cross-sectional diameter of the ground wire is less than or equal to a second threshold value.

Optionally, the sub-harness, the power line and the ground line are arranged in the same outer cover, and the sub-harness, the power line and the ground line are sequentially arranged in the width direction of the harness.

Optionally, the wire harness includes: a plurality of the sub-harnesses; the plurality of sub-harnesses are arranged adjacently side by side.

Optionally, the wire harness includes: a plurality of the power lines and a plurality of the ground lines; the power lines are arranged adjacently side by side, and the ground lines are arranged adjacently side by side.

Optionally, a plurality of the power lines of the network are disposed adjacent side by side, and a plurality of the ground lines of the network are disposed adjacent side by side.

Optionally, the sub-harness further comprises an outer cover for wrapping the plurality of signal wires; each signal wire includes a plurality of signal conductors, and each signal wire further includes an outer covering for encasing a plurality of the signal conductors.

In a second aspect of embodiments of the present disclosure, there is provided a head-mounted device comprising: a host, wherein an electric control device is arranged in the host; the battery is connected with the electric control device through a wire harness, and the wire harness is the wire harness of the first case.

Optionally, parallel charging cores are arranged in a battery compartment of the battery.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: in the embodiment of the disclosure, the plurality of signal wires are set to be the sub-wire bundles with the cross-section diameters close to the cross-section diameters of the power wires (the absolute value of the difference value between the cross-section diameters of the sub-wire bundles and the cross-section diameters of the power wires is smaller than or equal to the first threshold value), so that the wire bundle space occupied by the plurality of signal wires is greatly reduced, namely the overall size of the wire bundles is reduced, and the overall miniaturization setting of the head-mounted equipment is facilitated; under the premise of unchanged overall size and structure of the wire harness, more power lines or ground lines can be arranged in more wire harness space, the overcurrent capacity of the battery line is improved, the overall wire diameter impedance is reduced, and then the voltage drop on the overall wire is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is one of schematic structural diagrams of a wire harness 1000 provided in an embodiment of the present disclosure;

fig. 2 is a second schematic structural view of a wire harness 1000 according to an embodiment of the present disclosure;

fig. 3 is a third schematic structural view of a wire harness 1000 provided in an embodiment of the present disclosure;

fig. 4 is a schematic diagram of a structure of a wire harness 1000 provided in an embodiment of the present disclosure;

fig. 5 is a fifth schematic structural view of a wire harness 1000 provided in an embodiment of the present disclosure;

FIG. 6 is an enlarged schematic view of the structure of the neutron beam 01 of FIG. 1 provided by an embodiment of the disclosure;

fig. 7 is an enlarged schematic view of the power cord 20 in fig. 1 according to an embodiment of the disclosure;

fig. 8 is an enlarged schematic view of the ground wire 30 in fig. 1 according to an embodiment of the present disclosure;

fig. 9 is a block diagram of a structure of a headset according to an embodiment of the present disclosure.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is two or more.

In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.

In the embodiment of the disclosure, the plurality of signal wires are set to be the sub-wire bundles with the cross-section diameters close to the cross-section diameters of the power wires (the absolute value of the difference value between the cross-section diameters of the sub-wire bundles and the cross-section diameters of the power wires is smaller than or equal to the first threshold value), so that the wire bundle space occupied by the plurality of signal wires is greatly reduced, namely the overall size of the wire bundles is reduced, and the overall miniaturization setting of the head-mounted equipment is facilitated; under the premise of unchanged overall size and structure of the wire harness, more power lines or ground lines can be arranged in more wire harness space, the overcurrent capacity of the battery line is improved, the overall wire diameter impedance is reduced, and then the voltage drop on the overall wire is reduced.

The wire harness 1000 of the embodiment of the present disclosure is described below with reference to fig. 1 to 8, wherein the wire harness 1000 may be applied to an electronic device for connecting a battery part and a host, wherein the electronic device may be a head-mounted device.

As shown in fig. 1 to 5, the embodiment of the present disclosure provides a wire harness 1000, the wire harness 1000 including: a sub-harness 01, the sub-harness 01 including a plurality of signal lines 10; a power supply line 20; the absolute value of the difference between the cross-sectional diameter of the sub-harness 01 and the cross-sectional diameter of the power supply line 20 is less than or equal to the first threshold value.

The number of the sub-wires 01 in the wire harness 1000, the number of the power wires 20, and the number of the signal wires included in the sub-wires 01 may be determined according to practical situations, and the embodiments of the present disclosure are not limited.

Illustratively, the wire harness 1000 may include 1 sub-wire harness 01, 2 sub-wire harnesses 01, 3 sub-wire harnesses 01, or more sub-wire harnesses 01. Each sub-harness 01 may include 2 signal lines 10, 3 signal lines 10, or more signal lines 10. The wiring harness 1000 may include 1 power supply line 20, 2 power supply lines 20, 3 power supply lines 20, or more power supply lines 20.

The number of the signal lines included in different sub-harnesses 01 may be the same or different, and may be specifically determined according to actual situations, which is not limited in the embodiments of the present disclosure.

When the plurality of sub-harnesses 01 and the plurality of power lines 20 are included in the harness 1000, the absolute value of the difference between the cross-sectional diameter of each sub-harness 01 and the cross-sectional diameter of any one of the power lines 20 is less than or equal to the first threshold value.

The first threshold may be determined according to an actual situation, which is not limited in the embodiments of the present disclosure.

The signal wires have smaller current requirements, so that the section diameter of the signal wires can be reduced as much as possible on the premise of meeting the current requirements of the signal wires, and a plurality of signal wires can be arranged into one sub-wire harness, so that the space occupied by the signal wires in the wire harness is reduced.

Illustratively, assuming that the signal wires and the power wires in the original wire harness are 24AWG wires, in the embodiment of the present disclosure, the original 4 24AWG signal wires are changed to 4 36AWG signal wires, and the 4 36AWG signal wires are set as one sub wire harness, the cross-sectional diameter of the one sub wire harness is substantially the same as the cross-sectional diameter of the one power wire, and the absolute value of the difference value of the two is less than or equal to the first threshold value.

The signal lines may be ntc+, NTC-, bat, etc., and may be specifically determined according to practical situations, which is not limited in the embodiments of the present disclosure.

Alternatively, the plurality of signal lines 101 included in the sub-harness 01 are on-network signal lines.

In the embodiment of the disclosure, the plurality of signal lines 101 included in the sub-harness 01 are the same network signal lines, so that the arrangement can make the line diameter impedance of the sub-harness 01 lower, and further can reduce the line diameter pressure drop of the sub-harness 01.

Alternatively, the plurality of signal lines 101 included in the sub-harness 01 may be non-identical network signal lines, and the plurality of signal lines 101 included in the sub-harness 01 may be partially identical network signal lines and partially non-identical network signal lines, which may be specifically determined according to actual situations, which is not limited in the embodiments of the present disclosure.

In the embodiment of the disclosure, the input signal is the same as the network, for example, with respect to the host, the input information signal and the output information signal are present, so the signal line 10 running the same input information signal may be configured as a sub-harness, and the signal line 10 running the same output information signal may be configured as a sub-harness.

Optionally, the wire harness 1000 further includes: a ground line 30; the absolute value of the difference between the cross-sectional diameter of the sub-harness 01 and the cross-sectional diameter of the ground wire 30 is less than or equal to the second threshold value.

The number of the ground wires 30 included in the wire harness 1000 may be determined according to practical situations, and is not limited in the embodiment of the present disclosure.

Illustratively, the wire harness 1000 may include 1 ground wire 30, 2 ground wires 30, 3 ground wires 30, or more ground wires 30.

The second threshold may be the same as or different from the first threshold, which is not limited in the embodiments of the present disclosure.

The second threshold may be determined according to practical situations, and embodiments of the present disclosure are not limited.

In the embodiment of the disclosure, the absolute value of the difference between the cross-sectional diameter of the sub-harness 01 and the cross-sectional diameter of the power line 20 is smaller than or equal to the first threshold value, and the absolute value of the difference between the cross-sectional diameter of the sub-harness 01 and the cross-sectional diameter of the ground line 30 is smaller than or equal to the second threshold value, that is, the cross-sectional diameters of the sub-harness 01, the power line 20 and the ground line 30 in the harness 1000 are basically the same, so that the thickness of the harness is basically not changed by changing the plurality of signal lines into one sub-harness, in one case, the space occupied by the plurality of signal lines is greatly reduced, namely the overall size of the harness is reduced, thereby being beneficial to the overall miniaturization arrangement of the head-mounted equipment; under the premise of unchanged overall size and structure of the wire harness, more power lines or ground lines can be arranged in more wire harness space, the overcurrent capacity of the battery line is improved, the overall wire diameter impedance is reduced, and then the voltage drop on the overall wire is reduced.

Alternatively, referring to fig. 6, each signal line 10 includes a plurality of signal conductors 101; referring to fig. 7, the power cord 20 includes a plurality of power supply wires 201; referring to fig. 8, the ground wire 30 includes a plurality of ground wire leads 301.

The material of each signal wire 101 may be tin-plated copper or enameled wire, or may be other materials, which may be specifically determined according to actual needs, and the embodiment of the disclosure is not limited.

The material of each power wire 201 may be tin-plated copper or enameled wire, or may be other materials, which may be specifically determined according to actual needs, and the embodiment of the disclosure is not limited.

The material of each ground wire 301 may be tin-plated copper or enameled wire, or may be other materials, which may be specifically determined according to actual needs, and the embodiment of the disclosure is not limited.

Note that, the type of the signal wire 101, the type of the power wire 201, and the type of the ground wire 301 may be determined according to practical situations, and are not limited herein.

Alternatively, as shown in fig. 1 to 2, and fig. 6 to 8, the signal line 10 may include a plurality of signal conductors 101 and a signal cover 102 individually wrapped around the signal conductors 101; the power cord 20 may include a plurality of power conductors 201 and a power supply cover 202 individually wrapped around the outside of the power conductors 201; the ground wire 30 may include a plurality of ground wires 301 and a ground wire coating 302 individually wrapped around the ground wires 301.

Alternatively, referring to fig. 3 to 5, the sub-harness 01, the power line 20, and the ground line 30 are provided in the same outer cover inner 40, and the sub-harness 01, the power line 20, and the ground line 30 are sequentially arranged in the width direction of the wire harness 1000.

Wherein, in the width direction of the wire harness 1000, the sub-harness 01, the power supply wire 20 and the ground wire 30 are sequentially arranged; in the longitudinal direction of the wire harness 1000, both ends of the wire harness 1000 are connected to a battery portion and a main unit, respectively.

In the wire harness 1000 of the embodiment of the present disclosure, the sub-wire harness 01, the power wire 20 and the ground wire 30 share one outer cover 40, so that under the condition that the total number of the signal wires 10, the power wire 20 and the ground wire 30 is unchanged, the wire harness space can be saved, the wire harness size is reduced, and the miniaturized design of the head-mounted device is facilitated; under the condition of the same wire harness space, the saved signal wire space can be used for designing more power wires and/or ground wires (more wires can be arranged to run larger current), so that the overcurrent capacity of the battery wire is improved, the overall wire diameter impedance is reduced, and the voltage drop on the overall wire is further reduced.

It should be noted that, in the embodiment of the present disclosure, the shape, width, thickness, material, etc. of the outer cover 40 may be set according to actual space requirements, which is not limited herein.

Alternatively, as shown in fig. 3 to 5, the wire harness 1000 includes: a plurality of sub-harnesses 01; the plurality of sub-harnesses 01 are arranged adjacently side by side.

The wiring harness 1000 includes a plurality of sub-wiring harnesses 01, and according to the types and the number of the signal lines 10, all the signal lines 10 may be respectively disposed in the plurality of sub-wiring harnesses 01, which may be specifically determined according to actual use requirements, and the embodiment of the disclosure is not limited. The plurality of sub-harnesses 01 are arranged adjacently side by side, namely, the plurality of sub-harnesses 01 are arranged next to each other in the width direction of the harnesses, so that the space can be effectively saved, the total impedance of the harnesses 1000 can be reduced to a certain extent through the arrangement of the adjacent side by side harnesses, and the battery utilization rate is improved.

Alternatively, as shown in fig. 1 to 4, the wire harness 1000 includes: a plurality of power supply lines 20, and a plurality of ground lines 30; the plurality of power lines 20 are disposed adjacent to each other in parallel, and the plurality of ground lines 30 are disposed adjacent to each other in parallel.

In the embodiment of the disclosure, the plurality of power lines 20 are adjacently arranged side by side, that is, the plurality of power lines 20 are arranged in parallel, so that not only the conductor impedance of the wire harness can be reduced, the voltage drop can be reduced, and the battery utilization rate can be improved, but also the size of the wire harness 1000 can be reduced under the condition that the total number of the signal lines 10, the power lines 20 and the ground lines 30 in the wire harness 1000 is unchanged, and the number of the power lines 20 and/or the ground lines 30 can be increased under the condition that the size of the wire harness 1000 is unchanged, so that the total line current of the wire harness 1000 can be increased, and the number of the power lines 20 and/or the ground lines 30 is increased, that is, the parallel circuit is increased, so that the conductor impedance of the wire harness can be further reduced through parallel connection, the voltage drop can be reduced, and the battery utilization rate can be improved.

The plurality of ground wires 30 are arranged adjacently side by side, namely the plurality of ground wires 30 are arranged in parallel, so that the conductor impedance of the wire harness can be reduced, the voltage drop can be reduced, and the battery utilization rate can be improved.

Alternatively, as shown in fig. 5, a plurality of power lines 20 of the network are disposed adjacent side-by-side and a plurality of ground lines 30 of the network are disposed adjacent side-by-side.

The multiple power lines 20 of the same network are arranged adjacently side by side, that is, the multiple power lines 20 of the same network are arranged next to each other in the width direction of the wire harness 1000, and the multiple power lines 20 of different networks may be arranged at intervals through an insulating layer or may be arranged adjacently side by side, which may be specifically determined according to practical situations.

In the embodiment of the disclosure, the plurality of power lines 20 of the same network are arranged adjacently side by side, so that the impedance can be reduced better, the voltage drop can be reduced, and the battery utilization rate can be improved.

The multiple ground wires 30 of the same network are arranged adjacently side by side, that is, the multiple ground wires 30 of the same network are arranged next to each other in the width direction of the wire bundle 1000, and the multiple ground wires 30 of different networks may be arranged at intervals through an insulating layer or may be arranged adjacently side by side, which may be specifically determined according to practical situations, and the embodiment of the disclosure is not limited.

In the embodiment of the disclosure, the plurality of ground wires 30 of the same network are arranged adjacently side by side, so that the impedance can be reduced better, the voltage drop can be reduced, and the battery utilization rate can be improved.

Optionally, as shown in fig. 6, the sub-harness 01 further includes an outer cover 50 for wrapping the plurality of signal wires 10; each signal line 10 includes a plurality of signal conductors 101, and each signal line 10 further includes an outer cover 102 for surrounding the plurality of signal conductors 101.

Wherein the outer coating is typically made of an insulating material having a signal shielding function. The materials of the outer cover 50 and the outer cover 102 may be set according to actual use requirements, and embodiments of the present disclosure are not limited. The materials of the outer cover 50 and the outer cover 102 may be the same or different, and the embodiments of the present disclosure are not limited.

The plurality of signal wires 10 included in the sub-harness 01 may be disposed two by two, that is, there is no insulating layer between two, and disposed next to each other; the plurality of signal lines 10 included in the sub-harness 01 may be arranged at any two intervals, for example, at least an insulating layer is arranged between any two signal lines 10; specifically, the method may be determined according to actual situations, and the embodiments of the disclosure are not limited.

In the embodiment of the disclosure, the outer cover 50 for wrapping the plurality of signal wires 10 is disposed in the sub-harness 01, so that the structure of the sub-harness 01 can be stabilized, the sub-harness is not easy to deform, and the outer cover 50 can also be used for shielding interference of external signals to any signal wire 10 in the sub-harness.

In the embodiment of the present disclosure, each signal wire 10 includes the outer cover 102 for wrapping the plurality of signal wires 101, not only can the structure of the signal wire 10 be stabilized, but also can be used to shield the interference of external signals to each signal wire 101.

In the case where the sub-harness 01, the power line 20, and the ground line 30 are provided in the same cover, the cover 40 may include the cover 50, and the cover 40 may be provided as a shield, so that signal interference among the sub-harness 01, the power line 20, and the ground line 30 may be reduced.

In the embodiment of the present disclosure, the arrangement order and arrangement positions of the plurality of signal wires 10 in the sub-harness 01 are not limited, and the arrangement order and arrangement positions of the sub-harness 01, the power supply wire 20, and the ground wire 30 are not limited, and may be specifically set according to actual situations.

As shown in fig. 6, in some embodiments of the present disclosure, the signal line 10 further includes a first filler 103, and the plurality of signal conductors 101 are arranged in a circular ring shape around the first filler 103. The volume of the signal wire 10 can be reduced, the volume of the wire harness 1000 can be further reduced, and the reliable arrangement of the plurality of signal wires 101 can be ensured by the support of the first filler 103.

As shown in fig. 7 and 8, in some embodiments of the present disclosure, the power cord 20 includes a second filler 203, and a plurality of power conductors 201 are arranged in a circular shape around the second filler 203; and/or the ground wire 30 includes a third filler 303, and the plurality of ground wire leads 301 are arranged in a circular shape around the third filler 303. Thereby, the volume of the power supply line 20 and/or the ground line 30 can be reduced, the volume of the wire harness 1000 can be further reduced, the reliable arrangement of the plurality of power supply wires 201 can be ensured by the support of the second filling member 203, and the reliable arrangement of the plurality of ground wire wires 301 can be ensured by the support of the third filling member 303.

In some embodiments of the present disclosure, the wire harness 1000 further includes connection terminals 60, and connection terminals 60 are respectively disposed at two ends of the outer cover 40, and each connection terminal 60 is electrically connected to each signal wire 10, the plurality of power wires 20, and the ground wire 30 in the sub-wire harness 01. That is, the wire harness 1000 may be connected to the battery part and the main unit through the connection terminal, thereby making the connection manner of the wire harness 1000 simple. It will be understood that a portion of each signal wire 10, a portion of each power wire 20, and a portion of each ground wire 30 may extend beyond the outer cover 40 and be electrically connected to the battery unit and the host by welding or screw connection, etc.

As shown in fig. 9, the embodiment of the present disclosure further provides a head-mounted device 2000, the head-mounted device 2000 including: a host 001, wherein an electric control device 0011 is arranged in the host 001; the battery 002, the battery 002 is connected to the electronic control device 0011 via the wiring harness 1000, and the wiring harness 1000 is any one of the wiring harnesses 1000 provided in the above-described wiring harness embodiments.

Alternatively, the battery is located at the rear of the host, and the top of the battery may be connected to the host through the wire harness 1000 and/or the side of the battery may be connected to the host through the wire harness 1000, which is not limited in the embodiment of the disclosure.

In the embodiment of the disclosure, the harness 1000 is provided in the head-mounted device, in one case, the wiring space can be reduced, and the overall size of the harness 1000 is reduced, so that the overall miniaturization of the head-mounted device is facilitated; in another case, on the premise that the overall size of the wire harness 1000 is basically unchanged, more power lines 20 and/or ground lines 30 can be added, so that the over-current capacity of the battery line can be improved, the overall line diameter impedance is reduced, the voltage drop on the overall wire harness is further reduced, and the utilization rate of the battery amount is improved.

Optionally, parallel charging cores 0021 are provided within the battery compartment of battery 002.

In the embodiment of the disclosure, by reducing the cross-sectional diameters of the plurality of signal wires and setting the plurality of signal wires as the sub-wire bundles, and the absolute value of the difference value between the cross-sectional diameters of the sub-wire bundles and the cross-sectional diameters of the power wires is smaller than or equal to the first threshold value, more power wires and/or ground wires can be added on the premise that the overall size of the wire bundles is basically unchanged, and therefore parallel charging cores can be arranged in the battery compartment, and the charging efficiency of the battery is improved.

The headset in the embodiments of the present disclosure may be a headset with a Virtual Reality (VR) function, an augmented Reality (Augmented Reality, AR) function, or a Mixed Reality (MR) function, for example, a VR head display, VR glasses, VR helmet, VR all-in-one machine, AR glasses, AR helmet, MR glasses, MR helmet, etc., which may be specifically determined according to practical situations, and the embodiments of the present disclosure are not limited.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiments of the present disclosure have been described above with reference to the accompanying drawings, but the present disclosure is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the disclosure and the scope of the claims, which are all within the protection of the present disclosure.

Claims (10)

1. A wire harness, characterized in that the wire harness comprises:

a sub-harness including a plurality of signal lines;

a power line;

the absolute value of the difference between the cross-sectional diameter of the sub-harness and the cross-sectional diameter of the power line is less than or equal to a first threshold value.

2. The wire harness of claim 1, wherein the plurality of signal lines included in the sub-wire harness are on-network signal lines.

3. The wire harness according to claim 1, characterized in that the wire harness further comprises:

a ground wire;

the absolute value of the difference between the cross-sectional diameter of the sub-harness and the cross-sectional diameter of the ground wire is less than or equal to a second threshold value.

4. The wire harness according to claim 3, wherein the sub-wire harness, the power supply wire, and the ground wire are provided in the same outer cover, and the sub-wire harness, the power supply wire, and the ground wire are sequentially arranged in a width direction of the wire harness.

5. The wire harness according to claim 4, characterized in that the wire harness comprises:

a plurality of said sub-harnesses;

the plurality of sub-harnesses are arranged adjacently in parallel.

6. The wire harness according to claim 4, characterized in that the wire harness comprises: a plurality of the power lines and a plurality of the ground lines;

the power lines are arranged adjacently side by side, and the ground lines are arranged adjacently side by side.

7. The wire harness as claimed in claim 6, wherein a plurality of the power supply wires of the network are disposed adjacent side by side, and a plurality of the ground wires of the network are disposed adjacent side by side.

8. The wire harness according to any one of claims 1 to 7, wherein the sub-wire harness further comprises an outer cover for wrapping the plurality of signal wires;

each signal wire includes a plurality of signal conductors, and each signal wire further includes an outer covering for encasing a plurality of the signal conductors.

9. A headset, comprising:

the host is internally provided with an electric control device;

a battery connected to the electric control device via a wire harness according to any one of claims 1 to 8.

10. The headset of claim 9, wherein a parallel charging core is disposed within a battery compartment of the battery.