New energy automobile copper-aluminum composite bar high-voltage wire harness protection device

Abstract

The invention relates to the field of new energy automobile high-voltage wiring harness protection, in particular to a new energy automobile copper-aluminum composite bar high-voltage wiring harness protection device. A new energy automobile copper-aluminum composite bar high-voltage wire harness protection device comprises a plurality of protection section devices which are connected in sequence. The protection joint device comprises an outer shell and a plurality of spring pressing pieces. The spring pressing sheet is arranged in the outer shell; two wire harness channels for high-voltage wire harnesses to pass through and a ventilation communication channel for communicating the two wire harness channels are formed in the outer shell; the ventilation communication channel is used for heat dissipation and allowing the wire harness to penetrate through. The channel walls of the wire harness channel and the ventilation communication channel are provided with a plurality of weight-reducing ventilation holes. The high-voltage wiring harness fixing device has the beneficial effects that the high-voltage wiring harness can be fixed, and the good ventilation effect is achieved; positioning of linear arrangement and steering arrangement of the wire harnesses can be achieved.

Description

Technical Field

[0001] The present invention relates to the field of protection of high-voltage wiring harnesses for new energy vehicles, and in particular to a protection device for a copper-aluminum composite row high-voltage wiring harness of a new energy vehicle. Background Art

[0002] New energy vehicles, commonly known as electric vehicles, are driven by electricity. The copper-aluminum composite row has the characteristics of the conductivity of copper and the small density of aluminum, and is widely used in the high-voltage wiring harnesses of new energy vehicles. The high-voltage wiring harness is responsible for transmitting high voltage and large current to drive various electrical equipment of the electric vehicle.

[0003] During the charging and discharging process, the high voltage and large current cause the high-voltage wiring harness to heat up. In addition, during the driving of the vehicle, the high-voltage wiring harness shakes easily and is prone to wear, and in severe cases, the conductor may be exposed, and fixing and protection are required. The traditional wiring harness fixing and protection structure has a small volume and cannot create a large space isolation at key positions, and the wiring harness fixing and protection structure transmits the vehicle vibration to the wiring harness, which is prone to failure. Summary of the Invention

[0004] The purpose of the present invention is to provide a protection device for a copper-aluminum composite row high-voltage wiring harness of a new energy vehicle to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions: A protection device for a copper-aluminum composite row high-voltage wiring harness of a new energy vehicle, comprising: a plurality of protection section devices connected in sequence; the protection section device includes: an outer shell and a plurality of spring pressing pieces; the spring pressing pieces are arranged inside the outer shell; the outer shell is formed with two wiring harness channels for the high-voltage wiring harness to pass through and a ventilation and communication channel connecting the two wiring harness channels; the ventilation and communication channel is used for heat dissipation and for the wiring harness to pass through; the channel walls of the wiring harness channels and the ventilation and communication channel are provided with a plurality of weight-reducing ventilation holes; The outer shell defines an X-axis, a Y-axis, and a Z-axis that are perpendicular to each other; the wiring harness channels extend along the X-axis; the ventilation and communication channel extends along the Y-axis; the weight-reducing ventilation holes on the channel wall of the wiring harness channel enable air flow to penetrate the outer shell along the Y-axis and the Z-axis; the weight-reducing ventilation holes on the channel wall of the ventilation and communication channel enable air flow to penetrate the outer shell along the X-axis and the Z-axis; The spring pressing piece includes: an integrally formed connecting portion and two pressing portions; the connecting portion connects the two pressing portions; the two pressing portions both bulge toward the same side of the connecting portion in an arc shape; two spring pressing pieces are provided corresponding to each ventilation and communication channel; the connecting portion is located in the ventilation and communication channel; the pressing portions are located in the wiring harness channels; the two pressing portions in the wiring harness channels clamp the high-voltage wiring harness from both sides; Two adjacent protection section devices are both in a straight state and a pivoting state; In the straight-line state, the end faces of the two outer shells of two adjacent protection joint devices are mutually attached, and the wire harness channels of the two adjacent protection joint devices are mutually aligned; In the pivoting state, the end faces of the two outer shells of two adjacent protection joint devices are spaced apart, and the two outer shells of the two adjacent protection joint devices are rotationally connected along a direction parallel to the Z axis.

[0006] As a further solution of the present invention: a chute is formed at one end of the outer shell; an upper sliding plate is formed at the other end of the outer shell; the upper sliding plate of one of the two outer shells of two adjacent protection joint devices slides in the chute of the other of the two outer shells; a lower sliding plate extends outward from the bottom of the chute; a pivot post is provided on the lower sliding plate; a waist-shaped slot is formed on the upper sliding plate; the pivot post of the lower sliding plate of one of the two outer shells of two adjacent protection joint devices passes through the waist-shaped slot of the upper sliding plate of the other of the two outer shells; in the straight-line state, the upper sliding plate of one of the two outer shells of two adjacent protection joint devices is inserted into the chute of the other of the two outer shells; in the pivoting state, the upper sliding plate of one of the two outer shells of two adjacent protection joint devices disengages from the chute of the other of the two outer shells, and a pivot connection is formed through the pivot post and the waist-shaped slot.

[0007] As a further solution of the present invention: the pivot post includes: a shaft column part and a head; the head is located on the side of the shaft column part away from the lower sliding plate; the diameter of the shaft column part is smaller than the width of the waist-shaped slot; the diameter of the head is larger than the width of the waist-shaped slot; an inclined chamfer structure is formed on the head; a spacer groove is formed in the middle of the pivot post to divide the whole formed by the shaft column part and the head into two parts to form a snap structure.

[0008] As a further solution of the present invention: end ribs and reinforcing ribs are formed at both ends of the outer shell; the end ribs are flush with the channel opening of the wire harness channel to increase the end face contact area of the channel opening; the reinforcing ribs connect the channel walls of the two wire harness channels; the upper sliding plate and the lower sliding plate are both connected to the end ribs and the reinforcing ribs.

[0009] As a further solution of the present invention: a guiding slot is further formed under the upper sliding plate of the outer shell; in the straight-line state, the lower sliding plate of one of the two outer shells of two adjacent protection joint devices is inserted into the guiding slot of the other of the two outer shells; in the pivoting state, the lower sliding plate of one of the two outer shells of two adjacent protection joint devices disengages from the guiding slot of the other of the two outer shells.

[0010] As a further solution of the present invention: the outer shell includes two half shells; each half shell is formed with an outwardly protruding mounting seat; a bolt through hole is formed on the mounting seat; the outer shell is made of plastic material; it is fixed by bolts passing through the bolt through holes of the two mounting seats, and the mounting seat forms a plastic elastic sheet as a cantilever structure to play a buffering effect.

[0011] As a further solution of the present invention: Each half shell is formed with a plurality of mounting seats; the plurality of mounting seats are symmetrically arranged on both sides of the half shell.

[0012] As a further solution of the present invention: The number of breathable communication channels formed by the outer shell is two; the mounting seats are located between the two breathable communication channels.

[0013] As a further solution of the present invention: The connecting portion abuts against the inner wall surface of the breathable communication channel or the connecting portion is fixed to the channel wall of the breathable communication channel.

[0014] As a further solution of the present invention: The outer shell constitutes a square-eye structure; the wire harness channel and the breathable communication channel of the outer shell constitute an H-shaped structure.

[0015] Compared with the prior art, the beneficial effects of the present invention are: It can fix the high-voltage wire harness and has a good breathable effect; it can realize the positioning of the straight-line arrangement and the turning arrangement of the wire harness.

[0016] The protection joint device of the high-voltage wire harness protection device for new energy vehicles adopts a wrapped structure to protect the high-voltage wire harness in a relatively large space, ensuring the spatial isolation between the high-voltage wire harness and the fixed position. The setting of the weight-reducing ventilation holes ensures the smoothness of ventilation on the premise of the wrapped structure, and will not affect the cooling air flow introduced during the driving of the vehicle or the cooling air flow generated by the cooling fan to cool the high-voltage wire harness.

[0017] The setting of the breathable communication channel can be used for guiding branch lines and can also be used to improve the smoothness of ventilation. In addition, the channel wall of the ventilation communication channel can also improve the overall strength of the outer shell.

[0018] The settings of the straight state and the pivoting state can not only realize the straight-line guiding and protection of the high-voltage wire harness with a longer length but also realize the turning guidance of the high-voltage wire harness.

[0019] The specific structure of the protection joint device can be spliced in multiple sections according to needs.

[0020] The cooperation of the end ribs, the upper sliding plate and the sliding groove, and the cooperation of the lower sliding plate and the guiding slot ensure the locking in the straight state and avoid bending at the connection of two sections.

[0021] The cooperation of the upper sliding plate and the sliding groove and the cooperation of the lower sliding plate and the guiding slot also realize a large turning angle in the pivoting state.

[0022] The cantilever structure of the mounting seat constitutes a buffering effect to achieve shock absorption. When bolt-fixed, a pre-tightening effect can also be achieved. The spring pressing piece can clamp the high-voltage wire harness from both sides and can adapt to the scenario of fixing multiple high-voltage wire harnesses at the same time. The spring pressing piece also realizes the second-level shock absorption effect.

[0023] Other features and advantages of the present invention will be disclosed in detail in the following specific embodiments and the accompanying drawings. Description of the Drawings

[0024] Figure 1 is a perspective view of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to an embodiment of the present application; Figure 2 is Figure 1 a front view of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to; Figure 3 is Figure 2 a right view of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to; Figure 4 is Figure 2 a bottom view of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to; Figure 5 is Figure 2 a schematic diagram of another state of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to, showing the rotatable state of two protection joint devices in a pivoted state; Figure 6 is Figure 1 a schematic diagram of a protection joint device of a protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle according to; Figure 7 is Figure 6 an exploded view of the protection joint device according to.

[0025] List of reference numerals: Protection device for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle 100, Protection joint device 10, Outer housing 11, Wire harness channel 111, Ventilation communication channel 112, Weight-reducing ventilation hole 113, Slide groove 114, Upper slide plate 115, Waist-shaped groove 1151, Lower slide plate 116, Pivot post 1161, End rib 117, Reinforcing rib 118, Mounting seat 119, Half housing 1101, Spring pressing piece 12, Connecting portion 121, Extrusion portion 122. Specific Embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figures 1 to 7As shown, a protection device 100 for a high-voltage wire harness of a copper-aluminum composite row in a new energy vehicle includes: a plurality of protection joint devices 10. The protection joint devices 10 are connected in sequence. The protection joint device 10 includes: an outer shell 11 and a plurality of spring pressing pieces 12. The spring pressing pieces 12 are arranged inside the outer shell 11. The outer shell 11 is formed with two breathable and communicating channels 112. The breathable and communicating channels 112 are wire harness channels 111 for the high-voltage wire harness to pass through. The breathable and communicating channels 112 communicate the two wire harness channels 111. The breathable and communicating channels 112 are used for heat dissipation and for the wire harness to pass through. The channel walls of the wire harness channels 111 and the breathable and communicating channels 112 are both provided with a plurality of weight-reducing and breathable holes 113. The outer shell 11 defines an X-axis, a Y-axis and a Z-axis that are perpendicular to each other. The wire harness channel 111 extends along the X-axis. The breathable and communicating channel 112 extends along the Y-axis. The weight-reducing and breathable holes 113 on the channel wall of the wire harness channel 111 enable air flow to penetrate the outer shell 11 along the Y-axis and the Z-axis. The weight-reducing and breathable holes 113 on the channel wall of the breathable and communicating channel 112 enable air flow to penetrate the outer shell 11 along the X-axis and the Z-axis.

[0028] The spring pressing piece 12 includes: a connecting portion 121 and two pressing portions 122. The connecting portion 121 and the two pressing portions 122 are integrally formed. The connecting portion 121 connects the two pressing portions 122. The two pressing portions 122 both bulge towards the same side of the connecting portion 121 in an arc shape. Each breathable and communicating channel 112 is correspondingly provided with two spring pressing pieces 12. The connecting portion 121 is located inside the breathable and communicating channel 112. The pressing portions 122 are located inside the wire harness channel 111. The two pressing portions 122 inside the wire harness channel 111 clamp the high-voltage wire harness from both sides.

[0029] Two adjacent protection joint devices 10 both have a linear state and a pivoting state.

[0030] In the linear state, the end faces of the two outer shells 11 of two adjacent protection joint devices 10 are mutually attached, and the wire harness channels 111 of two adjacent protection joint devices 10 are mutually aligned.

[0031] In the pivoting state, the end faces of the two outer shells 11 of two adjacent protection joint devices 10 are spaced apart, and the two outer shells 11 of two adjacent protection joint devices 10 form a rotational connection along a direction parallel to the Z-axis.

[0032] As a specific implementation manner, a chute 114 is formed at one end of the outer housing 11. An upper slide plate 115 is formed at the other end of the outer housing 11. The upper slide plate 115 of one of the two adjacent outer housings 11 of the two protective joint devices 10 slides in the chute 114 of the other of the two outer housings 11. A lower slide plate 116 extends outward from the bottom of the chute 114. The lower slide plate 116 is provided with a pivot post 1161. The upper slide plate 115 is formed with an oval slot 1151. The pivot post 1161 of the lower slide plate 116 of one of the two adjacent outer housings 11 of the two protective joint devices 10 passes through the oval slot 1151 of the upper slide plate 115 of the other of the two outer housings 11. In the straight state, the upper slide plate 115 of one of the two adjacent outer housings 11 of the two protective joint devices 10 is inserted into the chute 114 of the other of the two outer housings 11. In the pivoted state, the upper slide plate 115 of one of the two adjacent outer housings 11 of the two protective joint devices 10 disengages from the chute 114 of the other of the two outer housings 11, and a pivot connection is formed through the pivot post 1161 and the oval slot 1151.

[0033] As a specific implementation manner, the pivot post 1161 includes: a shaft column part and a head. The head is located on the side of the shaft column part away from the lower slide plate 116. The diameter of the shaft column part is smaller than the width of the oval slot 1151. The diameter of the head is larger than the width of the oval slot 1151. The head is formed with an inclined chamfer structure. A spacer slot is formed in the middle of the pivot post 1161 to divide the whole formed by the shaft column part and the head into two parts to form a snap structure.

[0034] As a specific implementation manner, end ribs 117 and reinforcing ribs 118 are formed at both ends of the outer housing 11. The end ribs 117 are flush with the channel openings of the wire harness channels 111 to increase the end face contact area of the channel openings. The reinforcing ribs 118 connect the channel walls of the two wire harness channels 111. The upper slide plate 115 and the lower slide plate 116 are both connected to the end ribs 117 and the reinforcing ribs 118.

[0035] As a specific implementation manner, a guide slot is further formed below the upper slide plate 115 of the outer housing 11. In the straight state, the lower slide plate 116 of one of the two adjacent outer housings 11 of the two protective joint devices 10 is inserted into the guide slot of the other of the two outer housings 11. In the pivoted state, the lower slide plate 116 of one of the two adjacent outer housings 11 of the two protective joint devices 10 disengages from the guide slot of the other of the two outer housings 11.

[0036] As a specific implementation manner, the outer housing 11 includes two half housings 1101. Each half housing 1101 is formed with a mounting seat 119. The mounting seat 119 protrudes outward. A bolt through-hole is formed on the mounting seat 119. The outer housing 11 is made of plastic material. It is fixed by bolts passing through the bolt through-holes of the two mounting seats 119. The mounting seat 119 serves as a cantilever structure to form a plastic elastic sheet to achieve a buffering effect.

[0037] As a specific implementation manner, each half housing 1101 is formed with a plurality of mounting seats 119. The plurality of mounting seats 119 are symmetrically arranged on both sides of the half housing 1101.

[0038] As a specific implementation manner, the number of the air-permeable communication channels 112 formed in the outer housing 11 is two. The mounting seat 119 is located between the two air-permeable communication channels 112.

[0039] As a specific implementation manner, the connecting portion 121 abuts against the inner wall surface of the channel of the air-permeable communication channel 112 or the connecting portion 121 is fixed to the channel wall of the air-permeable communication channel 112.

[0040] As a specific implementation manner, the outer housing 11 forms a rectangular structure with a hole in the middle. The wire harness channel 111 and the air-permeable communication channel 112 of the outer housing 11 form an H-shaped structure.

[0041] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0042] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A copper-aluminum composite row high-voltage wire harness protection device (100) for a new energy vehicle, characterized in that, Comprising: A plurality of sequentially connected protection joint devices (10); each of the protection joint devices (10) includes: a housing body (11) and a plurality of spring pressing pieces (12); the spring pressing pieces (12) are arranged inside the housing body (11); the housing body (11) is formed with two wire harness channels (111) for high-voltage wire harnesses to pass through and a ventilation and communication channel (112) connecting the two wire harness channels (111); the ventilation and communication channel (112) is used for heat dissipation and for the wire harness to pass through; the channel walls of the wire harness channels (111) and the ventilation and communication channel (112) are both provided with a plurality of weight-reducing ventilation holes (113); The housing body (11) defines an X-axis, a Y-axis, and a Z-axis that are perpendicular to each other; the wire harness channels (111) extend along the X-axis; the ventilation and communication channel (112) extends along the Y-axis; the weight-reducing ventilation holes (113) on the channel wall of the wire harness channels (111) enable air flow to penetrate the housing body (11) along the Y-axis and the Z-axis; the weight-reducing ventilation holes (113) on the channel wall of the ventilation and communication channel (112) enable air flow to penetrate the housing body (11) along the X-axis and the Z-axis; The spring pressing piece (12) includes: an integrally formed connecting portion (121) and two pressing portions (122); the connecting portion (121) connects the two pressing portions (122); the two pressing portions (122) both bulge towards the same side of the connecting portion (121) in an arc shape; two spring pressing pieces (12) are correspondingly arranged for each ventilation and communication channel (112); the connecting portion (121) is located inside the ventilation and communication channel (112); the pressing portions (122) are located inside the wire harness channels (111); the two pressing portions (122) inside the wire harness channels (111) clamp the high-voltage wire harness from both sides; Two adjacent protection joint devices (10) each have a linear state and a pivoting state; In the linear state, the end faces of the two housing bodies (11) of two adjacent protection joint devices (10) are mutually attached, and the wire harness channels (111) of two adjacent protection joint devices (10) are mutually aligned; In the pivoting state, the end faces of the two housing bodies (11) of two adjacent protection joint devices (10) are spaced apart, and the two housing bodies (11) of two adjacent protection joint devices (10) are rotationally connected along a direction parallel to the Z-axis.

2. The high-voltage wire harness protection device (100) for a new energy vehicle copper-aluminum composite row according to claim 1, wherein One end of the outer shell (11) is formed with a sliding groove (114); the other end of the outer shell (11) is formed with an upper sliding plate (115); the upper sliding plate (115) of one of the two outer shells (11) of two adjacent protection joint devices (10) slides in the sliding groove (114) of the other of the two outer shells (11); the bottom of the sliding groove (114) extends outward to form a lower sliding plate (116); the lower sliding plate (116) is provided with a pivot post (1161); the upper sliding plate (115) is formed with an oblong groove (1151); the pivot post (1161) of the lower sliding plate (116) of one of the two outer shells (11) of two adjacent protection joint devices (10) passes through the oblong groove (1151) of the upper sliding plate (115) of the other of the two outer shells (11); in the straight state, the upper sliding plate (115) of one of the two outer shells (11) of two adjacent protection joint devices (10) is inserted into the sliding groove (114) of the other of the two outer shells (11); in the pivot state, the upper sliding plate (115) of one of the two outer shells (11) of two adjacent protection joint devices (10) disengages from the sliding groove (114) of the other of the two outer shells (11), and a pivot connection is formed through the pivot post (1161) and the oblong groove (1151).

3. The high-voltage wire harness protection device (100) for a new energy vehicle copper-aluminum composite row according to claim 2, wherein, The pivot post (1161) includes: a shaft column part and a head; the head is located on the side of the shaft column part away from the lower sliding plate (116); the diameter of the shaft column part is smaller than the width of the oblong groove (1151); the diameter of the head is larger than the width of the oblong groove (1151); the head is formed with an inclined chamfer structure; a spacer groove is formed in the middle of the pivot post (1161) to divide the whole formed by the shaft column part and the head into two parts to form a buckle structure.

4. The high-voltage wire harness protection device (100) for a new energy vehicle copper-aluminum composite row according to claim 2, wherein, Both ends of the outer shell (11) are formed with end ribs (117) and reinforcing ribs (118); the end ribs (117) are flush with the channel openings of the wire harness channels (111) to increase the end face contact area of the channel openings; the reinforcing ribs (118) connect the channel walls of the two wire harness channels (111); the upper sliding plate (115) and the lower sliding plate (116) are both connected to the end ribs (117) and the reinforcing ribs (118).

5. The high-voltage wire harness protection device (100) for a new energy vehicle copper-aluminum composite row according to claim 2, wherein, The outer housing (11) further forms a guiding slot below the upper sliding plate (115); in the straight state, the lower sliding plate (116) of one of the two outer housings (11) of two adjacent protection joint devices (10) is inserted into the guiding slot of the other one of the two outer housings (11); in the pivoting state, the lower sliding plate (116) of one of the two outer housings (11) of two adjacent protection joint devices (10) disengages from the guiding slot of the other one of the two outer housings (11).

6. The protection device (100) for a high-voltage wire harness with copper-aluminum composite row of a new energy vehicle according to claim 1, characterized in that the outer housing (11) includes two half housings (1101); each half housing (1101) forms an outwardly protruding mounting seat (119); a bolt through-hole is formed on the mounting seat (119); the outer housing (11) is made of plastic material; and is fixed by bolts passing through the bolt through-holes of the two mounting seats (119), and the mounting seat (119) constitutes a plastic elastic sheet as a cantilever structure to achieve a buffering effect.

7. The protection device (100) for a high-voltage wire harness with copper-aluminum composite row of a new energy vehicle according to claim 6, characterized in that each half housing (1101) forms a plurality of the mounting seats (119); the plurality of mounting seats (119) are symmetrically arranged on both sides of the half housing (1101).

8. The protection device (100) for a high-voltage wire harness with copper-aluminum composite row of a new energy vehicle according to claim 7, characterized in that the number of the air-permeable communication channels (112) formed by the outer housing (11) is two; the mounting seat (119) is located between the two air-permeable communication channels (112).

9. The protection device (100) for a high-voltage wire harness with copper-aluminum composite row of a new energy vehicle according to claim 1, characterized in that the connecting part (121) abuts against the inner wall surface of the channel of the air-permeable communication channel (112) or the connecting part (121) is fixed to the channel wall of the air-permeable communication channel (112).

10. The protection device (100) for a high-voltage wire harness with copper-aluminum composite row of a new energy vehicle according to claim 1, characterized in that the outer housing (11) constitutes a rectangular structure with a hole in the middle; the wire harness channel (111) and the air-permeable communication channel (112) of the outer housing (11) constitute an H-shaped structure.

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