Wire harness system and wire harness

1. A wire harness system comprising a wire harness and an electric connection box,

the wire harness having a plurality of sub-harnesses connecting the electric connection box to a plurality of electric devices, each of the plurality of sub-harnesses having a specification to be determined for a target electric device, and

the electric connection box having a plurality of connection portions, each of the plurality of connection portions being in one-to-one correspondence with one of the plurality of sub-harnesses, at least one of the plurality of connection portions being a single-unit connection portion satisfying a specification of a target sub-harness without relying on other connection portion,

wherein each of the plurality of sub-harnesses comprises a set of wires,

wherein the plurality of sub-harnesses are bundled together to form the wire harness,

wherein the single-unit connection portion has a first portion including a terminal connecting to an electric circuit inside the electric connection box,

the target sub-harness has a second portion configured to allow it to be attached to and detached from the first portion and configured to connect to a wire of the target sub-harness, and upon combining the first portion and the second portion, the first portion and the second portion form an attachment portion configured to allow a circuit connection component different from the first portion and the second portion to be inserted into the attachment portion,

wherein the first portion has one or more first open portions, the second portion has one or more second open portions, and the attachment of the first portion and the second portion provides one or more cavities based on the one or more first open portions and the one or more second portions, and

wherein the one or more cavities is configured to receive terminal portions of the circuit connection component.

2. The wire harness system according to claim 1 ,

wherein each of the plurality of sub-harnesses connects the electric connection box to one or a plurality of electric devices installed in a particular area of an automobile to be applied the wire harness system.

3. The wire harness system according to claim 1 ,

wherein each of the plurality of sub-harnesses connects the electric connection box to one or a plurality of electric devices configured to achieve a particular system of an automobile to be applied the wire harness system.

4. The wire harness system according to claim 1 ,

wherein the circuit connection component is at least one of a fuse, a relay, and a fusible link.

5. The wire harness system according to claim 1 , wherein a first sub-harness, among the plurality of sub-harnesses, connects the electric connection box to a first group of electric devices, and

wherein a second sub-harness, among the plurality of sub-harnesses, connects the electric connection box to a second group of electric devices.

6. The wire harness system according to claim 5 , wherein the first group of electric devices is installed in a first area of an automobile to be applied the wire harness and the second group of electric devices is installed in a second area of the automobile.

7. The wire harness system according to claim 5 , wherein the first group of electric devices are installed as part of a first system of an automobile to be applied the wire harness and the second group of electric devices are installed as part of a second system of the automobile.

8. The wire harness system according to claim 1 , the single-unit connection portion has a first portion including a terminal configured to connect to an electric circuit inside the electric connection box, and the target sub-harness has a second portion configured to be attached to and detached from the first portion and connected to a wire of the target sub-harness.

9. A wire harness comprising a plurality of sub-harnesses connecting an electric connection box to a plurality of electric devices,

each of the plurality of sub-harnesses having a specification to be determined for a target electric device, and

at least one of the plurality of sub-harnesses having a connector portion corresponding to a single-unit connection portion among a plurality of connection portions of the electric connection box, the plurality of connection portions being in one-to-one correspondence with the plurality of sub-harnesses, the single-unit connection portion satisfying a specification of a target sub-harness without relying on other connection portion,

wherein each of the plurality of sub-harnesses comprises a set of wires,

wherein the plurality of sub-harnesses are bundled together to form the wire harness,

wherein the connector portion has a second portion configured to allow it to be attached to and detached from a first portion and including a terminal connecting to a wire of the target sub-harness,

the first portion is provided in the single-unit connection portion and configured to connect to an electric circuit inside the electric connection box, and upon combining the first portion and the second portion, the first portion and the second portion form an attachment portion configured to allow a circuit connection component different from the first portion and the second portion to be inserted into the attachment portion,

wherein the first portion has one or more first open portions, the second portion has one or more second open portions, and the attachment of the first portion and the second portion provides one or more cavities based on the one or more first open portions and the one or more second portions, and

wherein the one or more cavities is configured to receive terminal portions of the circuit connection component.

10. The wire harness according to claim 9 ,

wherein each of the plurality of sub-harnesses connects the electric connection box to one or a plurality of electric devices installed in a particular area of an automobile to be applied the wire harness.

11. The wire harness according to claim 9 ,

wherein each of the plurality of sub-harnesses connects the electric connection box to one or a plurality of electric devices configured to achieve a particular system of an automobile to be applied the wire harness.

12. The wire harness according to claim 9 , wherein the circuit connection component is at least one of a fuse, a relay, and a fusible link.