KR101801850B1 - Method of manufacturing bus-bar and the bus-bar - Google Patents

Abstract

The present invention relates to a bus bar manufacturing method. The bus bar manufacturing method, which can enhance bus bar manufacturing efficiency and provide high-quality bus bars, includes the steps of: (a) coupling a notching unit with a groove-shaped or hole-shaped coupling unit to an end of a laminate conductor group laminating multiple plate-shaped conductors in a longitudinal direction; (b) filling a lead line having an engaging unit on an end to be coupled with the coupling unit from one side of the tube to the other side as well as coupling the coupling unit and the engaging unit; (c) moving the lead line from the other side of the tube to the previous side to coat the laminate conductor group by fitting the laminate conductor group into the tube; (d) releasing the engaging unit and the coupling unit to remove the notching unit coupled to the end of the laminate conductor group. The present invention can completely prevent damage to a tube in the step of fitting and coating the laminate conductor group with the tube while quickly executing the laminate conductor group coating process to enhance the bus bar manufacturing efficiency and provide high-quality bus bars.

Description

METHOD OF MANUFACTURING BUS-BAR AND THE BUS-BAR BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bus bar manufacturing method and a bus bar using the same, and more particularly, to a bus bar manufacturing method and a bus bar manufacturing method which can prevent short- The present invention relates to a method of manufacturing a bus bar and a bus bar using the same, and more particularly, to a bus bar manufacturing method for providing a high quality bus bar by covering a laminated conductor group with a tube by covering the tube group easily and rapidly without causing any damage to the tube.

BACKGROUND ART [0002] In recent years, a variety of electric devices are embedded in a modular form in a vehicle, and a flexible type of power cable having sufficient current carrying capacity in a narrow space in each module of such electric devices is required.

Particularly, due to the appearance of an electric car, there is a demand for a cable capable of supplying power stably within a given narrow space, and this demand can also be applied to a power box or a power box in a building or a building.

In order to solve the above-mentioned demand, a bus bar is provided, and a bus bar is formed by laminating a plurality of plate-shaped conductors in the longitudinal direction and covering the same. Due to the flexibility, the bus bar can be bent in a necessary shape, It has been frequently used in many electric device modules or boxes in recent years by providing high current carrying capability.

However, existing bus bars have many difficulties for the operator in the process of inserting a plurality of plate-shaped conductors into the tube.

In addition, existing bus bars are formed only of a group of laminated conductors covered with tubes and tubes, and there is a risk of short-circuiting between adjacent bus bars due to an external impact and the like, .

That is, only a method of forcibly inserting the laminated plate-shaped conductors into the tube at once is provided, and a bus bar having a structure for preventing the occurrence of a short circuit between the bus bars is provided I can not.

In addition, in the conventional bus bar covering method, damage is frequently caused to the tube due to a severe friction between the edge of the laminated plate-like conductor and the inner circumferential surface of the tube, and such tube damage may cause problems such as short- There is a problem to generate.

In addition, the conventional bus bar covering method not only suffers from a lot of effort and difficulty in covering a plurality of plate-shaped conductors, which are piled up by workers, with tubes, but also causes a problem of inefficiency which takes a long time.

Although the technology as a background of the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-2015-0143060, there is no solution to the above-mentioned problems.

SUMMARY OF THE INVENTION It is an object of the present invention, which is devised to solve the problems described above, to include a step of coating a laminated conductor group on a tube by using a notched portion removed after coating and a lead wire which can be fastened and disassembled to the notched portion, It is possible to prevent the occurrence of a fire and to prevent the occurrence of fire even if adjacent bus bars are brought into contact with each other due to an external impact or the like, A method of manufacturing a bus bar capable of easily and quickly covering a laminated conductor group with a tube and providing a high-quality bus bar, and a bus bar using the method.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

According to an aspect of the present invention for achieving the above object, there is provided a laminated conductor group including: (a) a notched portion formed with a groove or a hole-shaped coupling portion at one end of a laminated conductor group in which a plurality of plate- ; (b) the laminated conductor group is wrapped with a refractory tape; (c) a lead wire having an engaging portion engageable with the engaging portion at one end thereof is inserted from one side to the other side of the tube, and the engaging portion and the engaging portion are fastened; (d) the lead wire is moved from the other side of the tube to one side, and the laminated conductor group is sandwiched and covered with the tube; (e) disengaging the engaging portion and the engaging portion, and removing a notched portion coupled to one end of the laminated conductor group; And the refractory tape is attached to the laminated conductor group in the step (b).

At this time, the refractory tape in the step (b) is characterized in that the tape is made of at least one of cotton, silk, rubber, glass fiber, varnish, mica, asbestos, fluororesin, metal, .

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Further, the refractory tape is a flame-resistant material, and the step (b) is characterized in that the remaining region except for a predetermined range of both ends of the laminated conductor group is covered with the refractory tape.

Also. (f) forming a terminal portion in which the plurality of plate-shaped conductors are integrally combined at both ends of the laminated conductor group from which the notched portion is removed in the step (e).

In the step (f), a first terminal portion is formed at one end of the laminated conductor group, a second terminal portion is formed at the other end of the laminated conductor group after the laminated conductor group is bent in a predetermined shape .

The tube in the step (b) may include 100 parts by weight of a base resin composed of at least one of TPO (Thermoplastic Olefine), TPV (ThermoPlastic Vulcanizate), EPDM (Ethylene Propylene diene M- Predetermined additives added to the base resin in predetermined phr phrases; And a control unit.

According to another aspect of the present invention, there is provided a method of manufacturing a bus bar, the bus bar being manufactured using the bus bar manufacturing method according to any one of claims 1 to 7.

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According to another aspect of the present invention, there is provided a bus bar comprising: a laminated conductor group in which a plurality of plate-shaped conductors are stacked and terminal portions are formed at both ends; A tube of a flexible material covering between the one end and the other end of the laminated conductor group; And a refractory tape added to a predetermined region of the laminated conductor group so as to be inserted between the tube and the laminated conductor group; Wherein a notched portion having a groove or a hole-shaped coupling portion is coupled to one end of the laminated conductor group, and a lead wire having an engaging portion engageable with the coupling portion at one end is inserted into the other side of the tube, The connecting portion and the latching portion are combined and the lead wire is moved to one side from the other side of the tube so that the laminated conductor group is covered by the tube and then the engaging portion and the engaging portion are disassembled and the notched portion is removed, And the terminal portions are formed at both ends of the group.

As described above, according to the present invention, even if contact between neighboring bus bars occurs due to an external impact or the like, it is possible to prevent the occurrence of a short circuit and prevent a fire from occurring, A method of manufacturing a bus bar in which a conductor group is covered with a tube to provide a high quality bus bar and a bus bar using the same can be provided.

1 to 4 are process flow diagrams illustrating a bus bar manufacturing method according to a preferred embodiment of the present invention.
Fig. 5A is a view showing a plurality of plate-shaped conductors, and Fig. 5B is a view showing a laminated conductor group in which a plurality of plate-shaped conductors are laminated.
6 (a) and 6 (b) are a perspective view and a plan view, respectively, of a side conductor group in which notched portions are joined at one end thereof.
7 is a view for showing a configuration of a lead wire.
8 is a view for showing the structure of a tube.
9 is an exemplary view of a refractory tape.
10 and 11 are a perspective view and a partially enlarged view for showing a structure in which a laminated conductor group is flamed with a refractory tape.
12 and 13 are a perspective view and a partially enlarged view showing a structure in which a laminated conductor group is provided with a refractory tape.
Fig. 14 is an exemplary view showing the male-female coupling shape of the engaging portion of the notching portion and the engaging portion of the lead wire.
15 is a view showing a state in which lead wires are fitted from one side of the tube to the other side.
Fig. 16 is a view showing a state in which the engaging portion of the lead wire and the engaging portion of the notching portion are engaged by the male-female engaging method in the state of Fig. 15;
17 is a view showing a state in which the laminated conductor group is fitted and covered with the tube as the lead wire is moved from the other side of the tube to one side.
18 is a view showing a state in which a laminated conductor group is covered with a tube and a lead wire is disassembled.
19 is a view showing a state in which the notched portion is removed after the laminated conductor group is covered with the tube.
20 is a view showing a state in which terminal portions are formed at both ends of a tube-coated laminated conductor group.
21 is a view showing a state in which a first terminal portion is formed at one end of a tube-coated laminated conductor group.
22 is a view showing a state in which the laminated conductor group is bent in a predetermined shape after the formation of the first terminal portion in Fig.
23 is a view showing a state in which a second terminal portion is formed at the other end portion after folding the laminated conductor group.
24 is a view showing a state where fastening holes are formed in the first terminal portion and the second terminal portion.
25 is a view showing a state in which the first terminal portion and the second terminal portion are polished.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

1 to 4 are process flow diagrams illustrating a bus bar manufacturing method according to a preferred embodiment of the present invention.

Fig. 5A is a view showing a plurality of plate-shaped conductors, and Fig. 5B is a view showing a laminated conductor group in which a plurality of plate-shaped conductors are laminated.

6 (a) and 6 (b) are a perspective view and a plan view showing a side conductor group having a notched portion coupled to one end thereof, respectively, FIG. 7 is a view showing the configuration of a lead wire, and FIG. FIGS. 10 and 11 are a perspective view and a partially enlarged view for showing a structure in which a refractory tape is wound around a laminated conductor group, and FIGS. 12 and 13 are cross- FIG. 14 is a perspective view and a partially enlarged view for showing a structure in which a refractory tape is attached to a group, and FIG. 14 is an exemplary view showing a male-female coupling shape of the engaging portion of the notching portion and the engaging portion of the lead wire.

15 is a view showing a state in which the lead wire is inserted from one side of the tube to the other side, Fig. 16 is a view showing a state in which the engaging part of the lead wire and the notching part of the notching part are joined by the male- Fig. 17 is a view showing a state in which a laminated conductor group is fitted and covered with a tube as the lead wire is moved from the other side of the tube to one side, Fig. 18 is a view showing a state in which a laminated conductor group is covered with a tube and a lead wire is disassembled And Fig. 19 is a view showing a state in which the notched portion is removed after the laminated conductor group is covered with the tube.

20 is a view showing a state in which terminal portions are formed at both ends of a tube-coated laminated conductor group.

21 is a view showing a state in which a first terminal portion is formed at one end of a tube-coated laminated conductor group, FIG. 22 is a view showing a state in which a laminated conductor group is bent in a predetermined shape after the first terminal portion is formed in FIG. 21 23 is a view showing a state in which a second terminal portion is formed at the other end portion after bending the laminated conductor group, FIG. 24 is a view showing a state in which a fastening hole is formed in the first terminal portion and the second terminal portion, And the first terminal portion and the second terminal portion are polished.

Hereinafter, the present invention will be described with reference to the drawings for explaining a bus bar manufacturing method according to embodiments of the present invention.

The method of manufacturing a bus bar according to a preferred embodiment of the present invention includes the steps of joining a notched portion (S10, (a)), a refractory tape bonding step (S20, (b) (Step S40, step (d)), and removing the notched portion (step S50, step (e)).

The bus bar manufacturing method according to the present invention includes the steps of (a) forming a laminated conductor group 100 in which a plurality of plate-like conductors 10 are longitudinally roughed and forming a laminated conductor group 100 on one end of the laminated conductor group 100 The notch portion 200 is coupled (notched portion engaging step, S10).

At this time, the laminated conductor group has a structure in which the plate-shaped conductors are not combined but simply laminated.

The notch part 200 is coupled to one end of the laminated conductor group 100 and the notch part 200 is formed with a groove part 210 in the form of a groove or a hole.

The end face and / or the corner portion of the notch portion to be fastened to the end of the notch 200, that is, the notch 310 of the lead wire described later, It is preferable to smoothly polish the inner peripheral surface of the tube 400 in order to minimize the frictional force between the end surface of the notching portion 200 and the inner peripheral surface of the tube 400 in the process of penetrating the through hole 400.

The notched portion 200 is fastened to the lead 300 to be described later and is moved after being moved to fit the tube 400 along with the movement of the lead 300, 310 are formed in a groove or a hole-like engaging portion 210 to be fastened or disassembled.

As a next step (b), the laminated conductor group 100 is wrapped by a Mica tape 500.

The refractory tape is for preventing a fire caused by a short between the bus bars due to internal or external shocks or peeling of the covering of the bus bars and the like so that insulation between the laminated conductor group 100 and the tube 400 And a refractory tape made of an internal combustion material are arranged so as to prevent a fire or the like caused by a shot from occurring even if contact between bus bars occurs.

The refractory tape 500 may be made of one or more materials selected from the group consisting of cotton, silk, rubber, glass fiber, varnish, mica, asbestos, fluorine resin, metal, It is preferable that it is made of a material excellent in flame retardancy or fire resistance as well as insulating property such as glass fiber, varnish, mica and the like.

At this time, the bus bar manufacturing method according to the present invention proposes two ways in which the refractory tape 500 surrounds the laminated conductor group 100.

That is, the refractory tape 500 is laminated on the laminated conductor group 100 by transversely winding the laminated conductor group 100 (refer to Figs. 10 and 11) or denoting longitudinal type (see Figs. 12 and 13) And may be inserted between the tube 400 and the laminated conductor group.

In the case of the transverse winding type, the refractory tape 500 is coupled so as to cover and wrap the outer circumferential surface of the laminated conductor group 100, and the width L of the refractory tape 500 is overlapped with the tapes And is taped to be wrapped.

In this case, it is preferable that the ratio of the width L of the refractory tape 500 to the width OL1 of the first overlapping portion overlapping the refractory tape is L: OL1 = 3 to 5: 1.

The ratio of the distance D between the first tape end faces a protruding to the outside and the width W of the laminated conductor group 100 as the end portion of the refractory tape 500 is D: W = 1.2 to 2: 1 As shown in Fig.

In the case of the transverse winding type, the width OL2 of the second overlapping portion where the one side and the other side of the refractory tape 500 surrounding the multilayer conductor group 100 are overlapped is 1/3 to 1/3 of the width W of the multilayer conductor group It is preferable that it is formed by 1/2.

The refractory tape 500 surrounds the remaining regions of both ends of the laminated conductor group 100 except for a predetermined range so that the first terminal portion and the second terminal portion are formed at both ends of the laminated conductor group 100 .

A lead wire 300 having an engaging portion 310 fastened to the engaging portion 210 of the notching portion 200 is inserted into one end of the tube 400 from the other side And the engaging portion 210 and the engaging portion 310 are engaged (lead wire engaging step, S30).

At this time, the hooking part 310 of the lead wire 300 is formed as a hook when the coupling part 210 of the notching part is a hole, and when the coupling part 210 is a groove, And can be formed in the form of protrusions that can be combined and disassembled. 9, the shapes of the coupling part 210 and the coupling part 310 are shown. However, the shapes of the coupling part 210 and the coupling part 310 are not limited to those shown in FIG. 9, May be formed in various forms.

The engaging portion 210 and the engaging portion 310 are formed to be engaged or disengaged by a male and female coupling method. At this time, the engaging portion 210 is tapered inward from the end of the notching portion 200, (See FIG. 6) or an arc shape (see FIG. 14A), and the engaging portion 310 is formed in a protruding shape that can be engaged with and disengaged from the engaging portion 210 by male and female .

The lead wire 300 may be formed to have a size capable of easily penetrating the inside of the tube 400. In other words, it is preferable that the tube 400 is formed to have a size enough to easily penetrate the inner space connecting the opened side 410 and the other side 420 of the tube 400.

The lead conductors 300 are moved from one side of the tube 400 to one side and the laminated conductor group 100 is moved together so that the laminated conductor group 100 is separated from the tube 400, (Coating step, S40).

That is, the lead wire 300 is inserted into the tube 400, not by a conventional method in which one end of the laminated conductor group is fitted to one side of the tube 400 and then the tube is pulled or the laminated conductor group is pushed into the tube The laminated conductor group 100 is moved through the tube 400 together with the lead wire 300 by an operation of pulling out the lead wire 300 again so that the coating process of the laminated conductor group 100 is carried out easily and quickly So that it is possible to prevent damage to the inner circumferential surface of the tube 400 during the coating process.

At this time, the operation of inserting the lead wire 300 from one side of the tube 400 to the other side and the operation of being coupled with the notching portion and moving back to one side from the other side of the tube 400, And a lead wire moving means (not shown) coupled with an end portion of the lead wire 300 to move the lead wire 300 from one side to the other or from one side to the other side.

In this case, the notched portion 200 further includes stacked conductor group loading means for moving a plurality of stacked conductor groups coupled to one end of each of the notched portions 200 one by one to a working position, and the notched portions 200 And a fastening means (not shown) for fastening the fastening portion 310 of the lead wire 300 penetrating through the tube 400 by a male and female coupling method.

Finally, in the step (e), the engaging portion 210 and the engaging portion 310 are disassembled and the notched portion 200 coupled to one end of the laminated conductor group 100 is removed Step S50).

At this time, in the laminated conductor group 100, the notched portion 200 is removed, so that the laminated conductor group 100 in which a plurality of plate-shaped conductors are stacked is covered with the tube 400, thereby forming a bus bar.

An end of the notched portion 200 coupled to one end of the laminated conductor group 100 is formed to have a width equal to or less than the width of one end of the laminated conductor group 100, It is preferable to be bonded to one end of the conductor group 100 by welding or the like.

That is, the notching portion 200 is coupled to extend from one end of the laminated conductor group 100, and the laminated conductor group 100 is covered with the tube 400 and then removed by a cutting process or the like.

At this time, the notching part 200 may be made of the same material as or different from the material of the plate-shaped conductor 10 constituting the laminated conductor group, but it is preferably made of different material.

The method of manufacturing a bus bar according to the present invention further includes a terminal forming step (S60, (f)).

The step (ef) of forming the terminal portion may include a step of removing the notched portion (200) in the step of removing the notched portion (S50, Step (e) And a terminal portion 110 in which the plate-like conductor is integrally joined is formed.

At this time, the terminal portions 110 formed at both ends of the laminated conductor group 100 are formed with coupling holes that pass through the upper and lower portions, and further include a step of polishing the end portions of the terminal portions and / or the end portions of the inner peripheral surfaces of the coupling holes .

The plurality of plate-shaped conductors between the terminal portions 100 at both ends of the laminated conductor group 100 in which the terminal portions 110 are formed are stacked so that they are not coupled to each other and are spaced apart from each other.

As described above, after the step of removing the notch (S40), the terminal portions 100 are formed at both ends of the laminated conductor group 100, The step S61, the bending step S62, and the second terminal portion forming step S63 may be sequentially included.

That is, in the terminal portion forming step S60, the first terminal portion forming step S61 in which the first terminal portion 110a is formed at one end of the laminated conductor group 100 from which the notching portion is removed in the step (d) ) Is performed.

At this time, the first terminal portion 110a is formed in the same shape as the formation of the terminal portion.

Next, a bending step S62 is performed in which the tube 400 is covered and the laminated conductor group 100 having the first terminal portion 110a formed at one end thereof is bent in a predetermined shape.

At this time, the bending step S52 may be bent in a predetermined shape according to the space in which the bus bar is installed, and may be folded so that a spacing space is formed between each of the plurality of plate-shaped conductors around each bent portion C.

At this time, since the plurality of plate-shaped conductors of the first terminal portion 110a are integrally coupled and the step S62 is performed, the other end of the laminated conductor group 100 is provided with a plurality of plate- And the step S on which the respective layers are generated is formed.

Then, a second terminal portion forming step S63 is performed in which the second terminal portion 110b is formed at the other end of the laminated conductor group 100 bent in a predetermined shape by the bending step S52.

By forming the second terminal portion 110b, terminal portions are formed at both ends, and a bus bar bent in a predetermined shape is manufactured.

At this time, it is possible to further include a step removing step before the second terminal portion forming step (S53) after the bending step (S62).

In the step removing step, the step S formed by the bending step (S62) is removed so that the entire end of each of the plurality of plate-like conductors forming the layer at the other end of the laminated conductor group is divided into layers And cutting the other end of the laminated conductor group so as to form a flat cross-section.

When the stepped portion removing step is further included, there is an effect that the polishing processing can be greatly shortened in the step of polishing the other end face of the laminated conductor group 100 described later.

At this time, the terminal portion forming step S60 is further formed with a hole-shaped coupling hole 111 penetrating vertically through the terminal portions 110, 110a and 110b formed at both ends of the laminated conductor group 100. [

The bus bar manufacturing method according to the present invention further includes a polishing step (S70, (f)).

The polishing step S60 and step (g) is a step of smoothly polishing the end portions of the terminal portions 110, 110a, and 110b formed in the terminal portion forming steps S50 and S (f).

At this time, the polishing step S70 may include polishing not only the end faces of the first terminal portion 110a and the second terminal portion 110b, but also the inner circumferential face of the fastening hole 111.

By polishing the end face or corner portions of the first terminal portion 110a and the second terminal portion 110b smoothly by the polishing step S70, the operator's hands, etc., And it is possible to prevent damage due to contact with peripheral components, parts, and the like when the bus bar is installed.

That is, the tube 400 has a vertical cross section with respect to the longitudinal direction formed to be larger than a vertical cross section with respect to the longitudinal direction of the laminated conductor group 100, so that the laminated conductor group 100 is connected to the lead wire The friction between the laminated conductor group 100 and the inner circumferential surface of the tube 400 is minimized when the tube 300 penetrates through the tube 400 and can be easily and quickly passed through the tube.

Next, a bus bar according to the present invention will be described.

The bus bar according to the present invention includes a laminated conductor group 100 and a tube 400 and a refractory tape 500 surrounding the laminated conductor group 100 so as to be inserted between the laminated conductor group 100 and the tube 400 do.

In the laminated conductor group 100, a plurality of plate-like conductors 10 are stacked, and terminal portions 110 are formed at both ends.

The tube 400 is a tube made of a flexible material that covers between the one end and the other end of the laminated conductor group 100.

The refractory tape 500 is a tape which is horizontally or extensively placed in a predetermined area of the laminated conductor group so as to be inserted between the tube and the laminated conductor group.

The bus bar according to the present invention is characterized in that the notched portion 200 having a groove or hole shaped coupling portion 210 is coupled to one end of the laminated conductor group 100 and the coupling portion 210 A lead wire 300 having an engaging portion 310 that can be fastened to the lead wire 300 is inserted from one side of the tube 400 to the other side so that the engaging portion 210 and the engaging portion 310 are engaged, Is moved from one side to the other side of the tube 400 so that the laminated conductor group 100 is covered by the tube 400 and then the coupling part 210 and the coupling part 310 are disassembled, (300) is removed, and terminal portions are formed at both ends of the laminated conductor portion.

The detailed description of the structure of the tube 400, the refractory tape 500, and the like is omitted because it overlaps with the above description in the bus bar manufacturing method according to the present invention.

Hereinafter, the components of the tube 400 will be described in detail.

The tube 400 includes a base resin and additives added to the base resin.

At this time, the base resin is formed of a combination of at least one of TPO (Thermoplastic Olefine), TPV (ThermoPlastic Vulcanizate), EPDM (Ethylene Propylene diene M-class) and Styrene series elastomer.

At this time, the TPO improves tensile strength and processing characteristics, TPV improves insulation property, low temperature property, flexibility and processing characteristics, EPDM improves insulation property, low temperature property, flexibility and heat resistance, and Stylene elastomer has low hardness property And has a function of giving a high tensile strength. At this time, the low-temperature property means that the flexibility at room temperature is maintained even at a low temperature of minus 30 degrees to minus 40 degrees Celsius, and cracks such as cracks due to low temperatures are not generated and pinholes are not generated And the like.

The additive comprises a combination of at least one of a brominated flame retardant, antimony trioxide (Sb2O3), a filler, a phenolic stabilizer, a metal stabilizer and a lubricant.

At this time, it is preferable that the brominated flame retardant is a Br flame retardant satisfying the RoHS (Restriction of the use of Hazardous Substances in EEE).

In addition, diantimony trioxide is added as a flame retardant additive capable of synergy with a Br-based flame retardant, and the filler is added to Mg (OH) 2 as an inorganic filler for improving the shape deformation of a tube for bus- desirable.

The phenolic stabilizer is preferably Igarnox 1010 as the primary antioxidant, and Igarnox 1024 is preferably used as the metal stabilizer.

The lubricant is preferably used as an internal or external lubricant during compounding and extrusion.

Here, the lubricant is kneaded with a resin to lower the melt viscosity to improve the molding processability, and as an additive to improve the quality of a product by reducing the deterioration during processing as the processing temperature is lowered and the processing time is shortened by the use of lubricant, The function of preventing adhesion between the surface of the mold and the surface of the extruder and the resin may be performed. At this time, zn (zinc, zinc) amide-based lubricants are preferably used as the lubricant.

In order to uniformly impart tensile strength, processing characteristics, insulation, low temperature, flexibility, hardness and tensile strength to the tube 400, the TPO (Thermoplastic Olefine), TPO (ThermoPlastic Vulcanizate) EPDM (Ethylene Propylene diene M-class), and Styrene-based elastomer.

TPO, TPV, EPDM, and Styrene series elastomers are each composed of TPO 10 to 30 phr (parts per hundred rubber), TPV 20 to 60 phr, EPDM 10 to 30 phr, and Styrene type elastomer 5 to 30 phr .

In order to improve the flame retardancy of the tube, prevention of deformation during molding, prevention of oxidation and the like, one of bromine (Br) flame retardant, antimony trioxide (Sb2O3), filler, phenolic stabilizer, metal stabilizer, It is preferable that the additive composed of the above combination is added.

The additive may be a combination of at least one of a brominated flame retardant, antimony trioxide (Sb2O3), a filler, a phenolic stabilizer, a metal stabilizer, a lubricant, etc. added to the base resin in a certain range of phr .

In this case, the brominated flame retardant is 20 to 70 phr for the base resin, the antimony trioxide (Sb2O3) is 1 to 10 phr for the base resin, the filler is 5 to 30 phr for the base resin, 1 to 7 phr of the stabilizer, 1 to 7 phr of the metal stabilizer, 1 to 7 phr of the metal stabilizer, 1 to 7 phr of the metal stabilizer, and 0.5 to 3 phr of the activator to the base resin .

The addition of the above-mentioned compositional ratio additive to the existing base resin greatly improves the evaluation of the elongation, tensile strength, elongation percentage, tensile residual rate, heat resistance, hardness, flame retardancy and extrusion characteristics. However, there is a tendency that pros and cons are generated for each evaluation item.

At this time, when the additive having the above-described composition ratio is added to the base resin having the above-mentioned composition ratio, advantages and disadvantages of each evaluation item are overcome, and an effect of uniformly evaluating the quality of all evaluation items is exerted.

Table 1 below shows a base resin (hereinafter, referred to as " base resin ") that contains all of TPO (Thermoplastic Olefine), TPV (ThermoPlastic Vulcanizate), EPDM (Ethylene Propylene diene M- Comparative Example 1 in which only TPO and EPDM were included, Comparative Example 2 in which only EPDM and Styrene-based elastomer were included, Comparative Example 3 in which only TPO and TPV were included, In order to compare the evaluation of each evaluation item in Comparative Example 4 including only the elastomer, the optimum embodiment and each of Comparative Examples included the same additive satisfying the composition ratio described above. The units in Table 1 are phr or mass%.

Table 2 shows comparative experimental data showing the evaluations for each evaluation item for the above-mentioned optimum example and each of the comparative examples.

GRADE Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Optimal Embodiment TPO 50 - 50 - 20 TPV - - 50 50 40 EPDM 50 50 - - 20 Styrene series elastomer - 50 - 50 20 Br flame retardant 50 50 50 50 50 Sb2O3 5 5 5 5 5 Filler 20 20 20 20 20 Phenolic stabilizer 2 2 2 2 2 Metal stabilizer 3 3 3 3 3 Lubricant One One One One One

Evaluation items Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Optimal Embodiment Elongation
125% ↑ 570 564 560 594 600 Tensile strength
1.05 kg / mm ² ↑ 1.26 1.42 1.28 1.26 1.40 Elongation percentage (158 ℃ X 7day): 60% or more 80 82 40 50 90 Tensile Residue (158 ° C X 7day): 60% or more 78 74 30 45 90 Heat bending (150 ℃ X 10day) Pass Pass Pass Pass Pass Hardness Shore A: 93 or less 99 80 92 78 91 Flammability (oxygen index / VW-1): 25 or more 27.1 22.5 27.5 22.5 27 Extrusion characteristics Good Bad Good Bad Good

As shown in Table 2, in the case of Comparative Example 1, the content of TPO was high and was higher than the target hardness by 6 or more. In Comparative Example 2, the content of the styrene-based elastomer was high, Comparative Example 3 is a combination of TPO and TPV alone and has poor heat resistance elongation and tensile properties. Comparative Example 4 is a combination of TPV and a styrene-based elastomer alone and has poor heat resistance elongation and tensile properties. Styrene It can be confirmed that the oxygen index, which is a substitute property of extrudability and flame retardancy, is poor.

On the other hand, in the case of the optimum embodiment, it can be confirmed that the evaluation is uniformly evaluated for all evaluation items.

The bus bar according to the present invention can be manufactured by the bus bar manufacturing method according to the present invention described above.

The bus bar manufactured by the method of manufacturing a bus bar according to the present invention and the method of manufacturing the bus bar according to the present invention are formed by a notching part 200 formed with a coupling part 210 and a coupling part 210 formed to be fastened and disassembled The process of covering the laminated conductor group 100 with the tube 400 can be performed very easily and quickly and damage to the tube 400 and the like can be prevented from occurring by using the lead wire 300 having the latching part 310 formed therein do.

Particularly, by allowing the laminated conductor group 100 to be surrounded by the refractory tape 500 made of a material excellent in insulation property or flame resistance, even if contact between adjacent bus bars occurs due to an external impact or the like, .

A bus bar according to another preferred embodiment of the present invention is a bus bar including a plurality of plate-like conductors 10 stacked in a longitudinal direction, a first terminal portion 110a and a second terminal portion 110b formed on one side and the other side, (100), a tube (400) covering between the first terminal portion (110a) and the second terminal portion (110b) of the laminated conductor group (100), and a laminated conductor group And a refractory tape 500 disposed between the tube 400 and the refractory tape 500.

At this time, the description of the manner in which the refractory tape 400 surrounds the laminated conductor group 100 and the material of the tube 400 are the same as those described above, and therefore will not be described.

The bus bar according to still another preferred embodiment of the present invention includes a laminated conductor group 100 in which a plurality of plate-shaped conductors 10 are laminated and terminal portions 110a and 110b are formed at both ends, And a refractory tape 400 that is horizontally or extensively attached to a predetermined region of the laminated conductor group so as to be inserted between the tube and the laminated conductor group .

At this time, a notch portion 200 having a groove or a hole-like coupling portion 210 formed at one end of the laminated conductor group is coupled, and a lead wire 310 having a coupling portion 310, (300) is inserted from one side of the tube to the other side so that the engaging part and the engaging part are coupled, and the lead wire is moved from the other side of the tube to one side so that the laminated conductor group is covered with the tube, The latch portion is disassembled, the notched portion is removed, and terminal portions are formed at both ends of the laminated conductor portion.

The description of the structure of the refractory tape 400 wrapping the laminated conductor group 100 and the material of the tube 400 is the same as that described above.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

10: plate-shaped conductor 100: laminated conductor group
110: terminal portion 110a: first terminal portion
110b: second terminal portion 200:
210: Coupling portion 300: Lead wire
310: latching part 400: tube
410: tube side opening 500: refractory tape
S10: Step of joining the notching portion S20: Step of joining the refractory tape
S30: Lead wire bonding step
S40: coating step S41: first coating step
S42: Second coating step S50: Step of removing the notched portion
S60: Terminal section forming step S61: First terminal section forming step
S62: Bending step S63: Second terminal portion forming step
S70: polishing step

Claims (12)

(a) combining a notched portion having a groove or a hole-like coupling portion at one end of a laminated conductor group in which a plurality of plate-shaped conductors are stacked in the longitudinal direction;
(b) the laminated conductor group is wrapped with a refractory tape;
(c) a lead wire having an engaging portion engageable with the engaging portion at one end thereof is inserted from one side to the other side of the tube, and the engaging portion and the engaging portion are fastened;
(d) the lead wire is moved from the other side of the tube to one side, and the laminated conductor group is sandwiched and covered with the tube;
(e) disengaging the engaging portion and the engaging portion, and removing a notched portion coupled to one end of the laminated conductor group; Lt; / RTI >
Wherein the refractory tape is attached to the laminated conductor group in the step (b).
The method according to claim 1,
Wherein the refractory tape in step (b) is made of one or more materials selected from the group consisting of cotton, silk, rubber, glass fiber, varnish, mica, asbestos, fluororesin, metal and inorganic powder. Gt;
delete The method according to claim 1,
The refractory tape is a flame resistant material,
Wherein the step (b) includes the step of wrapping the remaining region of the laminated conductor group excluding the predetermined range of the end portions of the laminated conductor group by the refractory tape.
The method according to claim 1,
(f) forming a terminal portion in which the plurality of plate-shaped conductors are integrally joined to both ends of the laminated conductor group from which the notched portion is removed in the step (e).
6. The method of claim 5,
The step (f)
Wherein a first terminal portion is formed at one end of the laminated conductor group and a second terminal portion is formed at the other end of the laminated conductor group after the laminated conductor group is bent in a predetermined shape .
The method according to claim 1,
The tube in the step (b)
100 parts by weight of a base resin composed of a combination of at least one of TPO (Thermoplastic Olefine), TPV (Thermo Plastic Vulcanizate), EPDM (Ethylene Propylene diene M-class) and Styrene series elastomer;
Predetermined additives added to the base resin in predetermined phr phrases; ≪ / RTI >
A bus bar made using the bus bar manufacturing method of any one of claims 1, 2, and 4 to 7.
delete delete delete A laminated conductor group in which a plurality of plate-shaped conductors are stacked and terminal portions are formed at both ends; A tube of a flexible material covering between the one end and the other end of the laminated conductor group; And a refractory tape added to a predetermined region of the laminated conductor group so as to be inserted between the tube and the laminated conductor group; , ≪ / RTI &
Wherein a notched portion having a groove or a hole-shaped coupling portion is coupled to one end of the laminated conductor group, and a lead wire having an engaging portion engageable with the coupling portion at one end thereof is inserted from one side of the tube to the other side, And after the lead wire is moved to one side from the other side of the tube so that the laminated conductor group is covered with the tube,
And the terminal portion is formed at both ends of the laminated conductor group.

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