WO2007032391A1 - 車両用導電体 - Google Patents
車両用導電体 Download PDFInfo
- Publication number
- WO2007032391A1 WO2007032391A1 PCT/JP2006/318161 JP2006318161W WO2007032391A1 WO 2007032391 A1 WO2007032391 A1 WO 2007032391A1 JP 2006318161 W JP2006318161 W JP 2006318161W WO 2007032391 A1 WO2007032391 A1 WO 2007032391A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pipe
- conductor
- vehicle
- electric wire
- protective
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
Definitions
- the present invention relates to a vehicle conductor.
- a shield member having a tubular braided wire force in which metal fine wires are knitted in a mesh shape As a vehicle conductor to be mounted on an electric vehicle, a plurality of non-shielded electric wires are collectively surrounded by a shield member having a tubular braided wire force in which metal fine wires are knitted in a mesh shape.
- the structure of the shield is considered.
- the force S that can be used to surround the shield member with a protector made of synthetic resin, and the use of a protector increase the number of parts. There's a problem.
- the applicant of the present application has proposed a structure in which a non-shielded electric wire is inserted into a metal pipe.
- the pipe exhibits the function of shielding the electric wire and the function of protecting the electric wire, so that there is an advantage that the number of parts can be reduced as compared with the vehicle conductor using the shield member and the protector. is there.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-171952
- the amount of heat generated when a predetermined current flows through the wire decreases as the cross-sectional area of the wire increases, and the temperature rise of the wire due to heat generation decreases as the heat dissipation of the conductor increases. It is done. Therefore, in an environment where an upper limit is set for the temperature rise value of the wire, in the case of a vehicle conductor with low heat dissipation efficiency as described above, the heat generation amount can be reduced by increasing the cross-sectional area of the wire. It is necessary to suppress.
- increasing the cross-sectional area of the electric wire means that the electric conductor for the vehicle is increased in diameter and weight, so that countermeasures are desired.
- the present invention has been completed based on the above circumstances, and an object thereof is to improve the heat radiation efficiency.
- the present invention is a vehicle conductor used in an electric vehicle, a protective pipe attached to the electric vehicle, an electric wire inserted through the protective pipe and constituting a power line of the electric vehicle, and the protection And a cooling pipe that is inserted along the electric wire into the pipe and allows a liquid refrigerant to flow therethrough.
- the protective pipe may be made of metal to provide a shielding function.
- the electric wire may be wound around the outer periphery of the cooling pipe. In this way, since the electric wire is not greatly separated from the outer periphery of the cooling pipe, the heat transfer performance to the electric power cooling pipe is stabilized.
- a holding portion for accommodating the electric wire may be integrally formed outside the cooling pipe. In this way, the electric wire does not leave the outer peripheral force of the cooling pipe, so the heat transfer performance from the electric wire to the cooling pipe is stabilized.
- Three-phase AC power may be transmitted by inserting the three electric wires through the protective pipe.
- the conductor of the electric wire may be a flat conductor. In this way, since the electric wire has its plate surface along the outer periphery of the cooling pipe, a large heat transfer area is ensured for the outer periphery of the electric power cooling pipe, and the heat transfer efficiency is excellent.
- the cooling pipe may be made of metal and an insulating coating may be provided on the outer surface. Also this In this case, a coating layer may be provided to collectively cover the wires in a state where the three wires are wound from the outside of the insulation coating.
- the heat dissipation efficiency is superior to the case where heat is radiated from the outer peripheral surface of the protective pipe to the atmosphere.
- FIG. 1 is a schematic view of Embodiment 1.
- FIG. 2 is a partially enlarged side view.
- FIG. 3 is a partially enlarged longitudinal sectional view.
- Figure 4 is a partially enlarged cross-sectional view.
- FIG. 5 is a graph showing the results of a temperature rise experiment.
- FIG. 6 is a partially enlarged longitudinal sectional view of Embodiment 2.
- FIG. 7 is a partially enlarged cross-sectional view.
- FIG. 8 is a graph showing the results of a temperature rise experiment.
- FIG. 9 is a transverse sectional view of Embodiment 3.
- FIG. 10 is a transverse sectional view of Embodiment 4.
- FIG. 11 is a partially enlarged cross-sectional view of the fifth embodiment.
- FIG. 12 is a partially enlarged longitudinal sectional view of Embodiment 5.
- FIG. 13 is a partially enlarged cross-sectional view of the sixth embodiment.
- FIG. 14 is a partially enlarged longitudinal sectional view of Embodiment 6.
- Wa Conductor for vehicle
- An electric motor vehicle is equipped with an engine room in front of the vehicle body Bd. Inside the engine room is a device Ma (for example, an inverter) that forms a power circuit for driving the motor Mo and a gasoline drive.
- the engine Eg is housed.
- a device Mb (for example, a battery) constituting a power circuit is mounted on the rear portion (for example, a trunk room) of the vehicle body Bd.
- a vehicle conductor Wa is routed between the two devices Ma and Mb.
- the vehicle conductor Wa includes a cylindrical shield member 10 having a collective shield function, a cooling pipe 20 having a heat dissipation function, and three electric wires 30 inserted into the shield member 10. Has been.
- the shield member 10 includes a protective pipe 11 made of a metal (for example, aluminum alloy, stainless steel, copper, copper alloy, etc.) having a collective shield function in addition to the protective function of the electric wire 30, and a metal thin wire meshed
- the flexible tubular member 12 also has a braided linear force, and the flexible tubular member 12 is fixed to the front and rear end portions of the protective pipe 11 so as to be conductive.
- the protective pipe 11 has a circular cross-sectional shape, and is arranged almost horizontally along the under floor of the vehicle body Bd (below the floor plate Fp). It is fixed in a suspended state.
- the flexible cylindrical member 12 connected to the front end portion of the protective pipe 11 is bent and arranged in the engine room, and is connected to a shield case (not shown) of the device Ma.
- the flexible cylindrical part connected to the rear end of the protective noise 11 The material 12 passes through the floor board Fp and is routed in the vehicle, and is connected to a shield case (not shown) of the device Mb.
- the cooling pipe 20 is made of metal (for example, aluminum alloy, stainless steel, copper, copper alloy, etc.), and has a circular cross-sectional shape.
- the cooling pipe 20 passes from the radiator Ra for cooling the engine Eg through the engine room and extends rearward along the lower surface of the floor plate Fp, and from the rear end of the forward route portion 21 to the lower surface of the floor plate Fp.
- a return path 22 that extends forward along the engine room and returns to the Rajta Ra. Cooling water (refrigerant) is supplied by the pump (not shown) to the Rajta Ra, the outbound path 21, and the return path 22. It circulates in a route that passes through the inside and flows.
- a region extending rearward along the lower surface of the floor plate Fp in the forward path portion 21 of the cooling pipe 20 is inserted (accommodated) into the protective pipe 11.
- the cooling pipe 20 is disposed at a substantially central position of the protective pipe 11.
- the region of the forward path portion 21 of the cooling pipe 20 that protrudes forward from the protective pipe 11 is a mesh of a braided wire in the vicinity of the front end portion of the protective pipe 11 (the rear end portion of the front flexible cylindrical member 12). It is led out of the flexible cylindrical member 12 from the gap.
- the rear end portion of the forward path portion 21 of the cooling pipe 20 protruding rearward from the protective pipe 11 is braided in the vicinity of the rear end portion of the protective pipe 11 (the front end portion of the rear flexible cylindrical member 12). It is led out to the outside of the flexible cylindrical member 12 from the gap of the mesh of the wire.
- the return path 22 of the cooling pipe 20 is routed outside the protective pipe 11 and the flexible cylindrical member 12.
- the electric wire 30 constitutes a power line for the electric vehicle EV, and three-phase AC power is transmitted by the three electric wires 30.
- the electric wire 30 is a non-shield type electric wire cable in which the outer periphery of a flexible core wire 31 is surrounded by an insulating resin coating 32, and its cross-sectional shape is circular, and the three electric wires 30 is inserted (enclosed) into the front flexible cylindrical member 12, the protective pipe 11, and the rear flexible cylindrical member 12 all together.
- three electric wires 30 are routed so as to be spirally wound at equal pitches along the outer circumference of the cooling pipe 20 at equal angular intervals in the circumferential direction.
- the outer periphery of the resin coating 32 of the electric wire 30 and the outer periphery of the cooling pipe 20 are in line contact along the spiral wiring path of the electric wire 30.
- the gaps on both sides of the line contact area between the outer peripheral surface of the cooling pipe 20 and the outer peripheral surface of the electric wire 30 are filled with a heat transfer layer 34 made of a resin seating bed by an adhesive.
- the heat layer 34 keeps the electric wire 30 in line contact with the outer periphery of the cooling pipe 20.
- the heat transfer layer 34 functions as a holding means for holding the electric wire 30 in contact with or close to the outer periphery of the cooling pipe 20 as in the spiral winding form.
- the heat generated in the core wire 31 of the electric wire 30 due to energization is transferred from the core wire 31 to the grease coating 32, and (1) from the outer periphery of the grease coating 32 to the outer periphery of the cooling pipe 20 directly inside the protective noise 11. And (2) the outer periphery of the cooling pipe 20 through the path that is transmitted from the outer periphery of the resin coating 32 to the heat transfer layer 34 and transmitted from the heat transfer layer 34 to the outer periphery of the cooling pipe 20. Is transmitted to the cooling water flowing through.
- the heat transferred to the cooling water passes through the return path 22 of the cooling pipe 20 routed outside the protective pipe 11, is transported to the radiator Ra, and is released from the surface of the radiator Ra to the atmosphere. Also, part of the heat is released into the atmosphere from the outer peripheral surface of the water-cooled pipe cooling pipe 20 by the air cooling action caused by the wind hitting the return path portion 22 of the cooling pipe 20 during traveling.
- the heat generated in the electric wire 30 is forcibly taken away by the cooling water, so that the heat dissipation efficiency is improved as compared with the case where the outer peripheral surface of the protective pipe 11 is dissipated into the atmosphere. Are better.
- the electric wire 30 is spirally wound around the outer periphery of the cooling pipe 20, and the electric wire 30 is connected to the cooling pipe 20 by the heat transfer layer 34. Since the wire 30 is fixed to the outer periphery! /, The outer peripheral force of the cooling pipe 20 is not separated, and the heat transfer performance from the wire 30 to the cooling pipe 20 is stable.
- the vehicle electrical conductor Wa of Embodiment 1 is superior in heat dissipation compared to the conventional one.
- three wires were inserted into the same protective pipe as in the first embodiment, and a cooling pipe was provided in the protective pipe, so that nothing was prepared.
- the conductor of the electric wire is made of Cu, and the cross-sectional area of each conductor is 5.31 sq, and the area around the protective pipe is windless. Under these conditions, the temperature change of the wire over time when a current of 60 A was continuously passed through the three wires was experimentally measured, and based on the measured value, a conductor with a cross-sectional area of 3.5 sq was measured.
- the gap between the protective pipe and the electric wire is filled with grease, and the cooling pipe is placed in the protective noise. Some are not provided.
- the conductor of the electric wire is made of Cu, and the cross-sectional area of each conductor is 5.31sq, and wind is blown on the outer peripheral surface of the protective pipe. Under such conditions, the temperature change of the wire over time when a current of 60 A was continuously passed through the three wires was experimentally measured. Based on the measured value, 100 A was applied to a conductor with a cross-sectional area of 3.5 sq. The estimated temperature change over time when the current was applied was calculated.
- the measured and calculated values are based on the outside temperature before energization. This calculation result is represented by Ts in the graph of Fig. 5. When 1000 seconds have elapsed, the temperature rise value is about 170 ° C, which is suppressed to a lower temperature than the conventional example.
- the conductor 31 of the electric wire 30 is made of Cu, the cross-sectional area of the conductor 31 is 5.3 sq, and the flow rate of the cooling water flowing in the cooling pipe 20 is 300 ccZl3sec.
- the wind is blown to the outer peripheral surface of the protective noise 11.
- the temperature change of the wire 30 over time when a current of 100 A was continuously passed through the three wires 30 was measured by experiment. Based on the measured value, a conductor with a cross-sectional area of 3.5 sq was measured.
- the estimated temperature change over time of wire 30 when a current of 100 A was passed through 31 was calculated. The measured value and the calculated value are based on the temperature of the cooling water flowing through the cooling pipe 20 before power is supplied.
- the calculation result is represented by Ta in the graph of Fig. 5.
- the temperature rise is suppressed to a low temperature of about 50 ° C.
- about 50 ° C It is kept at almost constant temperature. From this experimental result, it was proved that the vehicle electrical conductor Wa of the first embodiment is superior in heat dissipation efficiency compared to the conventional and reference examples.
- the configuration of the wire 40 is different from that of the first embodiment. Since other configurations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and descriptions of the structure, operation, and effects are omitted.
- the electric wire 40 has a rectangular cross-sectional shape as a whole, and more specifically, the long side is significantly longer than the short side and has a substantially I-shape, and is generally slender and plate-like (strip plate or flat plate). ing.
- the conductor 41 constituting the electric wire 40 is a flat conductor having a rectangular cross section.
- the cross-sectional shape of the insulating resin coating 42 surrounding the conductor 41 is a rectangular frame.
- the energizing electric wire 40 is spirally wound in such a form that the plate surface on the long side thereof is parallel to and close to the outer periphery of the cooling nozzle 20. Due to the spirally wound state, the electric wire 40 is held in a state close to the outer periphery of the cooling pipe 20!
- a heat transfer layer 44 made of an adhesive is filled in the gap between the plate surface of the electric wire 40 facing each other and the outer peripheral surface of the cooling pipe 20. Is held close to the outer peripheral surface of the cooling pipe 20.
- the heat transfer layer 44 constitutes a holding means for holding the electric wire 40 in a state close to the outer periphery of the cooling pipe 20. Note that the heat transfer layer 44 is also applied to the side surface force on the short side of the electric wire 40 and the region extending over the outer peripheral surface of the cooling pipe 20, thereby increasing the adhesive strength.
- the conductor 41 of the electric wire 40 is a flat rectangular conductor having an elongated plate shape, and the plate surface is provided along the outer periphery of the cooling pipe 20. A large heat transfer area with respect to the outer periphery of the pipe 20 is ensured. Therefore, the heat transfer efficiency is excellent as compared with the first embodiment in which the electric wire 30 having a circular cross section and the cooling pipe 20 are in a line contact state.
- Embodiment 2 has been clarified through experiments that the vehicle conductor Wb of Embodiment 2 is superior in heat dissipation compared to the conventional one.
- Embodiment 2 and Three wires were inserted into the same protective pipe, and a cooling pipe was installed in the protective pipe to prepare a thing!
- the conductor of the electric wire is made of Cu, and the cross-sectional area of each conductor is 5.31 sq, and the area around the protective pipe is windless. Under these conditions, the temperature change of the wire over time when a current of 60 A was continuously passed through the three wires was experimentally measured, and based on the measured value, a conductor with a cross-sectional area of 3.5 sq was measured.
- the gap between the protective pipe and the electric wire is filled with grease, and the cooling pipe is placed in the protective noise. Some are not provided.
- the conductor of the electric wire is made of Cu, and the cross-sectional area of each conductor is 5.31sq, and wind is blown on the outer peripheral surface of the protective pipe. Under these conditions, the temperature change of the wire over time when a current of 60 A was continuously passed through the three wires was measured by experiment. Based on the measured value, 100 A was applied to a conductor with a cross-sectional area of 3.5 sq. The estimated temperature change over time when the current was applied was calculated.
- the measured and calculated values are based on the outside temperature before energization. This calculation result is represented by Ts in the graph of Fig. 8, but when 1000 seconds have elapsed, the temperature rise value is about 170 ° C, which is suppressed to a lower temperature than the conventional example.
- the conductor 41 of the electric wire 40 is made of Cu and the cross-sectional area of the conductor 41 is 3.5 sq (the width dimension is 4.5 mm and the thickness dimension is 0.8 mm). ) And wind is blown to the outer peripheral surface of the protective pipe 11. While the current of 100 A was kept flowing through the three wires 30, the temperature change of the wires 40 over time when the flow rate of the cooling water flowing through the cooling pipe 20 was 300 ccZl3 sec was measured by experiments. This measured value is based on the temperature of the cooling water flowing in the cooling pipe 20 before energization. The result of this calculation is that when the force represented by Tb in the graph in Fig.
- the temperature rise is suppressed to a low temperature of about 13 ° C. After about 100 seconds, the temperature is kept at a constant temperature of about 13 ° C. From this experimental result, it was proved that the vehicle conductor Wb of Embodiment 2 is superior in heat dissipation efficiency compared to the conventional and reference examples.
- the temperature change is measured under the same conditions as described above except that the cooling water does not flow through the cooling pipe 20, and the measurement result is obtained. This is shown as Tx in the graph in Fig. 8. In this case, immediately after the start of energization, the temperature rises rapidly with the same gradient as in the reference example. From this experimental result, it is clear that the cooling action by the cooling pipe 20 is remarkably effective.
- Embodiment 3 embodying the present invention will be described with reference to FIG.
- the vehicle conductor Wc of the third embodiment is different from the first embodiment in the holding means for holding the electric wire 30 in a contact state or a close state with respect to the outer periphery of the cooling pipe 50. Since other configurations are the same as those in the first embodiment, the same reference numerals are given to the same configurations, and descriptions of the structure, operation, and effects are omitted.
- the cooling pipe 50 includes a pipe body 51 having a circular cross section for flowing cooling water, and three holding grooves 52 formed on the outer periphery of the noise body 51 at equal angular intervals in the circumferential direction (configuration of the present invention). It is a form in which a holding part which is a requirement) is formed.
- the holding groove 52 may be either of a form extending in parallel with the axis of the pipe body 51 or a form of extending spirally with respect to the axis of the pipe body 51.
- Each holding groove 52 is fitted with an electric wire 30.
- the opening force also prevents the electric wire 30 from coming off, so that the tape ( (Not shown) may be wound.
- the tape crosses the opening of the holding groove 52, so that the electric wire 30 can be prevented from coming off the holding groove 52.
- one electric wire 30 is fitted in one holding groove 52, but a plurality of electric wires may be fitted in one holding groove.
- the vehicle conductor Wd according to the fourth embodiment is different from the first embodiment in the holding means for holding the electric wire 30 in contact with or close to the outer periphery of the cooling pipe 60. Since other configurations are the same as those in the first embodiment, the same symbols are used for the same configurations. The description of the structure, operation, and effect is omitted.
- the cooling pipe 60 includes a pipe body 61 having a circular cross section for flowing cooling water, and three holding cylinder parts 62 formed on the outer periphery of the noise body 61 at equal angular intervals in the circumferential direction (the present invention).
- the holding part which is a constituent requirement, is formed.
- the holding cylinder portion 62 may be either of a form extending in parallel with the axis of the pipe main body 61 or a form of extending spirally with respect to the axis of the pipe main body 61.
- the electric wires 30 are inserted into the holding grooves 62, respectively.
- the force by which one electric wire 30 is inserted into one holding cylinder 62 may allow a plurality of electric wires to be inserted into one holding cylinder.
- the protective pipe 70 has a two-layer structure of an inner pipe 71 and an outer pipe 72.
- the inner pipe 71 and the outer pipe 72 can be combined in a form in which both the inner noise 71 and the outer pipe 72 are made of resin, in which the inner pipe 71 is made of resin and the outer pipe 72 is made of metal.
- a configuration in which the pipe 71 is made of metal and the outer pipe 72 is made of resin is possible.
- an insulating coating 73 having a constant thickness is formed on the outer circumference of the metal cooling pipe 20 over the entire length and continuously over the entire circumference.
- This insulating coating 73 is a resin floor with an adhesive.
- On the outer periphery of this insulating coating 73 three rectangular conductors 41 similar to those in Embodiment 2 are surrounded by an insulating resin coating 42.
- the electric wire 40 is spirally wound and fixed by the adhesive force of the insulating coating 73.
- the thickness of the resin coating 42 of the electric wire 40 can be reduced.
- the vehicle conductor Wf of the sixth embodiment is similar to that of the fifth embodiment.
- An insulating coating 73 having a constant thickness is formed on the outer periphery continuously over the entire length and the entire periphery.
- This insulating coating 73 is a resin floor floor made of an adhesive.
- a rectangular conductor 41 similar to that in Embodiments 2 and 5 is coated with an insulating resin coating 442.
- Three surrounding electric wires 40 are wound spirally and fixed by the adhesive force of the insulating coating 73.
- the resin coating layer 74 is formed so as to surround the insulating layer 73 over the entire length and the entire circumference.
- the covering layer 74 collectively surrounds the three electric wires 40. In other words, the three electric wires 40 are embedded in the covering layer 74.
- the protective pipe 11 is the same as that in the first embodiment. Since the other configuration is the same as that of the second embodiment, the same reference numeral is given to the same configuration, and the description of the structure, operation, and effect is omitted.
- the protective pipe has a circular cross-sectional shape, but according to the present invention, the protective pipe has a non-circular cross-sectional shape (e.g., oval, oval, substantially square, It may be a substantially polygonal shape or a substantially trapezoidal shape.
- a non-circular cross-sectional shape e.g., oval, oval, substantially square, It may be a substantially polygonal shape or a substantially trapezoidal shape.
- the force of inserting three electric wires into one protective pipe According to the present invention, the number of electric wires passed through one protective pipe is one, two, Any of four or more may be used.
- a force using a non-shield type electric wire as the electric wire According to the present invention, a heat pipe having a heat dissipation function may be used as the electric wire.
- Embodiments 1 to 6 above a force that allows one cooling pipe to be inserted into one protective pipe
- a plurality of cooling pipes are inserted into one protective noise. It may be allowed.
- the cooling water of the engine (other equipment) radiator is allowed to flow to the cooling nove.
- cooling water dedicated to wire cooling may be used.
- the cooling pipe is made of metal in Embodiments 1 to 6
- the cooling noise is made of synthetic resin.
- the cross-sectional shape of the cooling pipe is circular.
- the cross-sectional shape of the pipe body is circular.
- the cross-sectional shape of the pipe body may be non-circular (eg, oval, oval, substantially square, substantially polygonal, substantially trapezoidal).
- Embodiments 1 to 6 described above three wires are placed along one cooling pipe.
- the number of wires placed along one cooling pipe is one or two. Any of 4 or more may be used.
- the electric wire is spirally wound around the outer periphery of the cooling pipe.
- the electric wire may be routed substantially parallel to the axis of the cooling pipe. .
- Embodiments 1, 2, 5, and 6 above the electric wire and the cooling pipe are fixed by a heat transfer layer (resin bed) made of an adhesive, but according to the present invention, Embodiments 1, 2, 5 , 6, do not fix the wire and cooling pipe with adhesive.
- Embodiments 1 to 6 above as a means for holding the electric wire in contact with or close to the outer periphery of the cooling pipe, a form in which the electric wire is wound in a spiral manner and bonded, a form in which the electric wire is fitted in the holding groove, and holding Although the electric wire is inserted into the cylindrical portion, according to the present invention, in addition to the above-described embodiment, it is possible to adopt a mode in which the electric wire is fixed to the outer periphery of the cooling pipe with a band or a tape.
- the wire is spirally wound and bonded as a means for holding the wire in contact with or close to the outer periphery of the cooling pipe.
- 1, 2, 5, and 6 use only one of the means for winding the electric wire in a spiral and the means for adhering the electric wire to the outer periphery of the cooling pipe as the holding means.
- the outer periphery of the insulation coating of the electric wire is in direct contact with the outer peripheral surface of the cooling pipe, but according to the present invention, the outer periphery of the electric wire and the outer periphery of the cooling pipe are not in direct contact. It is good.
- the outer periphery of the insulation coating of the electric wire and the outer peripheral surface of the cooling pipe are not in direct contact, but according to the present invention, the outer periphery of the electric wire and the outer periphery of the cooling pipe are As a form of direct contact, ⁇ .
- Embodiments 1 to 6 above only the inside of the protective pipe is routed along the cooling pipe among the electric wires, and the electric wire is separated from the cooling pipe force outside the protective noise. According to the present invention, the electric wire may be routed along the cooling pipe even outside the protective pipe (inside the flexible cylindrical member).
- the forward path portion of the cooling pipe is inserted into the protective noise, and the backward path portion of the cooling pipe is routed outside the protective noise, but according to the present invention, the forward path portion of the cooling pipe is arranged. May be routed outside the protective pipe, and the return path of the cooling pipe may be inserted into the protective pipe.
- the protective noise is made of metal in the first to fourth and sixth embodiments
- the protective pipe may be made of a synthetic resin such as a corrugated tube according to the present invention.
- the cooling water is circulated by connecting the inside of the cooling pipe to the radiator.
- the cooling pipe is a heat pipe with a refrigerant sealed inside. Also good. In this case, if a part of the heat pipe is positioned outside the protective pipe to function as a heat radiating part, high heat radiation performance can be exhibited.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112006002398T DE112006002398T5 (de) | 2005-09-13 | 2006-09-13 | Fahrzeugleiter |
CN2006800334025A CN101263756B (zh) | 2005-09-13 | 2006-09-13 | 车辆导体 |
US11/991,003 US20090167078A1 (en) | 2005-09-13 | 2006-09-13 | Vehicle conductor |
JP2007535510A JPWO2007032391A1 (ja) | 2005-09-13 | 2006-09-13 | 車両用導電体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005265531 | 2005-09-13 | ||
JP2005-265531 | 2005-09-13 |
Publications (1)
Publication Number | Publication Date |
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WO2007032391A1 true WO2007032391A1 (ja) | 2007-03-22 |
Family
ID=37864982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/318161 WO2007032391A1 (ja) | 2005-09-13 | 2006-09-13 | 車両用導電体 |
Country Status (5)
Country | Link |
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US (1) | US20090167078A1 (ja) |
JP (1) | JPWO2007032391A1 (ja) |
CN (1) | CN101263756B (ja) |
DE (1) | DE112006002398T5 (ja) |
WO (1) | WO2007032391A1 (ja) |
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JP2009132180A (ja) * | 2007-11-28 | 2009-06-18 | Sumitomo Wiring Syst Ltd | ワイヤハーネスの配索構造 |
JP2010027577A (ja) * | 2008-07-24 | 2010-02-04 | Autonetworks Technologies Ltd | 導電体および導電体の製造方法 |
EP2368769A1 (en) * | 2008-12-18 | 2011-09-28 | Honda Motor Co., Ltd. | Vehicle wiring structure |
JP2011228136A (ja) * | 2010-04-20 | 2011-11-10 | Hitachi Cable Ltd | 車両用導電路 |
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JP2012197034A (ja) * | 2011-03-22 | 2012-10-18 | Yazaki Corp | ワイヤーハーネスの配索構造 |
JP2013169139A (ja) * | 2013-03-19 | 2013-08-29 | Yazaki Corp | ワイヤハーネス |
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WO2014077164A1 (ja) * | 2012-11-16 | 2014-05-22 | 矢崎総業株式会社 | ワイヤハーネス及びワイヤハーネス車両取付方法 |
JP2015159694A (ja) * | 2014-02-25 | 2015-09-03 | 住友電装株式会社 | 電線の冷却装置 |
JP2017507640A (ja) * | 2014-02-05 | 2017-03-16 | テスラ・モーターズ・インコーポレーテッド | 充電ケーブルの冷却 |
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Also Published As
Publication number | Publication date |
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CN101263756B (zh) | 2010-09-01 |
JPWO2007032391A1 (ja) | 2009-03-19 |
US20090167078A1 (en) | 2009-07-02 |
CN101263756A (zh) | 2008-09-10 |
DE112006002398T5 (de) | 2008-07-24 |
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