JP2009205865A - Harness, wire holder, and battery device - Google Patents

Harness, wire holder, and battery device Download PDF

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Publication number
JP2009205865A
JP2009205865A JP2008044914A JP2008044914A JP2009205865A JP 2009205865 A JP2009205865 A JP 2009205865A JP 2008044914 A JP2008044914 A JP 2008044914A JP 2008044914 A JP2008044914 A JP 2008044914A JP 2009205865 A JP2009205865 A JP 2009205865A
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JP
Japan
Prior art keywords
covered electric
electric wire
covered
electric wires
direction
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2008044914A
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Japanese (ja)
Inventor
Yoriyuki Miyazaki
順之 宮崎
Original Assignee
Autonetworks Technologies Ltd
Sumitomo Electric Ind Ltd
Sumitomo Wiring Syst Ltd
住友電気工業株式会社
住友電装株式会社
株式会社オートネットワーク技術研究所
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Publication date
Application filed by Autonetworks Technologies Ltd, Sumitomo Electric Ind Ltd, Sumitomo Wiring Syst Ltd, 住友電気工業株式会社, 住友電装株式会社, 株式会社オートネットワーク技術研究所 filed Critical Autonetworks Technologies Ltd
Priority to JP2008044914A priority Critical patent/JP2009205865A/en
Publication of JP2009205865A publication Critical patent/JP2009205865A/en
Pending legal-status Critical Current

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Abstract

Provided is a battery device harness that is difficult to connect to a terminal by mistake.
A covered wire bundle a is obtained by bundling a plurality of covered electric wires a each terminal-treated by a terminal, and each of the covered electric wires is separated from the covered wire bundle at a predetermined position. Harness. One or more holdings that hold the covered electric wire 36a so that the direction of the covered electric wire 36a forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle 10a at a position where the covered electric wire 36a is separated from the covered electric wire bundle 10a. The tool 14 is provided.
[Selection] Figure 1

Description

  The present invention includes a covered electric wire bundle in which a plurality of covered electric wires each terminal-treated by a terminal are bundled, a harness in which the covered electric wires are separated from the covered electric wire bundle at respective predetermined positions, and a covered electric wire from the covered electric wire bundle The present invention relates to an electric wire holder to be held separately and a battery device to which this harness is attached.

Recently, newly developed secondary batteries such as lithium ion batteries have been adopted as batteries installed in vehicles, in addition to lead batteries.
In the case of a lithium ion battery, since the electromotive voltage of the battery cell is small, it is often used by connecting about 10 battery cells in series. Depending on the required capacity, a plurality of batteries connected in series are connected in parallel. Used. Moreover, since it is easy to deteriorate by overcharge and is weak to high temperature and the range of use temperature is limited, it is necessary to monitor a voltage and temperature for every battery cell.

FIG. 8 is a perspective view showing a part of the appearance of a battery module such as a conventional lithium ion battery.
In this battery module, ten battery cells 18 each having a columnar shape and electrodes provided on both bottom portions thereof are connected to each other at an appropriate interval between two holding plates 19a and 19b holding each electrode of each battery cell 18. It is aligned and fixed in two rows in parallel.

  As shown in FIG. 3, the battery cell 18 has electrodes 18a (plus electrode or minus electrode) on both bottoms having a smaller diameter than the other columnar parts, and a bolt projects from the tip of the electrode 18a. . The holding plates 19a and 19b are provided with through holes for inserting the electrodes 18a. In the battery cell 18, each of the bolts penetrates the bus bar 28 and the round terminal 30 as shown in FIG. 8A in a state where both the electrodes 18 a are respectively inserted into the through holes of the holding plates 19 a and 19 b. The nuts 29 are screwed to be fixed to the holding plates 19a and 19b. The bus bar 28 connects two electrodes 18 a of adjacent battery cells 18.

  On the holding plate 19a side, each covered electric wire 36a terminated by each round terminal 30 is separated from the covered electric wire bundle 10a in the vicinity of each round terminal 30, and the covered electric wire bundle 10a is end-treated by the female connector 15a. Yes. Here, each of the covered electric wires 36a and the covered electric wire bundle 10a constitutes a harness for detecting the voltage of each battery cell 18. The female connector 15 a is connected to a male connector 15 b provided in a casing of a battery ECU (Electronic Control Unit) 17.

Also on the holding plate 19b side, similarly to the holding plate 19a side, each covered wire (not shown) terminated by each round terminal 30 is separated from the covered wire bundle 10b in the vicinity of each round terminal 30 and covered. The wire bundle 10b is terminated by the female connector 16a. Each covered electric wire and the covered electric wire bundle 10 b constitute a harness for detecting the voltage of each battery cell 18. The female connector 16a is connected to a male connector 16b provided in the casing of the battery ECU 17.
The output of the battery module constituted by the battery cells 18 connected in series by each bus bar 28 is given to a junction box (not shown) by power lines 11a (for example, the minus side) and 11b (for example, the plus side).

In Patent Document 1, a case that stores a plurality of battery cells includes a holder that holds the plurality of battery cells, and a cover that is fixed to the holder so as to face the terminals of the battery cells. An assembled battery is disclosed in which a bus bar is disposed on the inner surface of the opposing case, and a weak electrical wiring material is disposed on the outer surface of the cover.
JP 2001-266825 A

  In the battery module as described above, the electrodes 18a of the battery cells 18 to which the respective covered wires are to be connected are close to each other, and the bolts protruding from the electrodes 18a are also close to each other. Therefore, for example, as shown in FIG. 9, when the two covered electric wires 36a are separated from the covered electric wire bundle 10a at the same position, the bolts to be connected to the respective covered electric wires 36a are not obvious as they are, There is a problem that it is easy to connect.

This invention is made | formed in view of the above situations, and it aims at providing the harness of the battery apparatus which is hard to carry out terminal connection accidentally in 1st-3rd invention.
In 4th-6th invention, it aims at providing the electric wire holder used for the harness of the battery apparatus which is hard to carry out terminal connection accidentally.
It is an object of the seventh to ninth inventions to provide a battery device that is terminal-connected by a harness that is difficult to connect to a terminal by mistake.

  A harness according to a first aspect of the present invention includes a covered wire bundle in which a plurality of covered wires each end-treated by a terminal are bundled, and each covered wire is configured to be separated from the covered wire bundle at a predetermined position. In the harness, the covered electric wire is held at a position where the covered electric wire is separated from the covered electric wire bundle so that the direction of the covered electric wire forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle 1 or A plurality of holders are provided.

  In this harness, the covered electric wire bundle is formed by bundling a plurality of covered electric wires, each of which is terminal-treated by a terminal, and each of the covered electric wires is separated from the covered electric wire bundle at a predetermined position. At a position where the covered electric wire is separated from the covered electric wire bundle, the one or more holders hold the covered electric wire so that the direction of the covered electric wire forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle.

  The harness according to a second aspect of the present invention is characterized in that each of the holders holds two covered electric wires, and the two covered electric wires are oriented in opposite directions.

  The harness according to a third aspect of the present invention is characterized in that each of the holders holds three or more covered electric wires, and the directions of the three or more covered electric wires are radial.

  According to a fourth aspect of the present invention, there is provided an electric wire holder including: a cylindrical portion into which a plurality of electric wires are to be inserted; one or a plurality of through holes provided in a wall of the cylindrical portion; One or a plurality of holding portions provided so as to form a non-perpendicular predetermined angle, and configured such that one electric wire inserted through the through hole is held by the holding portion. .

  In this electric wire holder, the tube portion passes through a plurality of electric wires, and one or a plurality of through holes are provided in the wall of the tube portion. One or a plurality of holding portions are provided in the opening outside the through hole so as to form a predetermined angle that is not perpendicular to the wall, and one electric wire inserted through the through hole is held by the holding portion.

  An electric wire holder according to a fifth aspect of the present invention includes two through holes and two holding portions, and each holding portion is configured to have an opposite direction.

  The electric wire holder according to a sixth aspect of the invention is characterized in that each of the through holes and the holding portions is provided with three or more, and each holding portion is configured to have a radial direction.

  A battery device according to a seventh aspect of the present invention is a battery cell group arranged in a plurality of rows so that the electrodes are directed in the same direction, a plurality of terminals respectively connected to the electrodes of each battery cell of the battery cell group, and the terminals And a harness having a covered wire bundle in which a plurality of covered wires that have been subjected to terminal treatment are bundled, the direction of the covered wire bundle matches the alignment direction of the battery cell group, and the terminals of the covered wires are connected In the battery device in which the covered electric wire is separated from the covered electric wire bundle in the vicinity of the formed electrode, the harness is located at a position where the covered electric wire is separated from the covered electric wire bundle, and the direction of the covered electric wire is It has a plurality of holders for holding the covered electric wire so as to form a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle.

  In this battery device, the battery cell groups are arranged in a plurality of rows so that the electrodes face the same direction. In the harness, a plurality of terminals are respectively connected to the electrodes of the battery cells of the battery cell group, and the covered electric wire bundle is bundled with a plurality of covered electric wires each terminal-treated by the terminals. The direction of the covered wire bundle matches the alignment direction of the battery cell group, and the covered wire is separated from the covered wire bundle in the vicinity of the electrode to which the terminal of the covered wire is connected. The harness holds the covered electric wire at a position where the covered electric wire is separated from the covered electric wire bundle so that the direction of the covered electric wire forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle.

  The battery device according to an eighth aspect is characterized in that each of the holders holds two covered electric wires, and the two covered electric wires are oriented in opposite directions.

  The battery device according to a ninth aspect is characterized in that each of the holders holds three or more covered wires, and the directions of the three or more covered wires are radial.

  According to the harnesses according to the first to third aspects of the invention, it is possible to realize a harness for a battery device that is difficult to connect to a terminal by mistake.

  According to the electric wire holder which concerns on 4th-6th invention, the electric wire holder used for the harness of the battery apparatus which is hard to carry out terminal connection accidentally is realizable.

  According to the battery devices according to the seventh to ninth inventions, it is possible to realize a battery device that is terminal-connected by a harness that is difficult to connect to a terminal by mistake.

Hereinafter, the present invention will be described with reference to the drawings illustrating embodiments thereof.
FIG. 1 is a perspective view showing a part of the appearance of a battery module as an embodiment of a harness, an electric wire holder and a battery device according to the present invention.
This battery module 27 includes 10 battery cells 18 of, for example, lithium ion batteries each having a columnar shape and electrodes provided on both bottoms, between two holding plates 19a and 19b that hold each electrode of each battery cell 18. , Aligned and fixed in two rows parallel to each other at appropriate intervals.

FIG. 3 is an explanatory diagram showing a method of fixing the battery cell 18 to the holding plates 19a and 19b.
In this fixing method, the battery cell 18 has electrodes 18a (plus electrode or minus electrode) on both bottoms having a smaller diameter than the other columnar parts, and a bolt projects from the tip of the electrode 18a. The holding plates 19a and 19b are provided with through holes for fitting the end portions of the battery cells 18 and the electrodes 18a. In the battery cell 18, each of the bolts penetrates the bus bar 28 and the round terminal 30 as shown in FIG. 1A in a state where both electrodes 18 a are respectively inserted into the through holes of the holding plates 19 a and 19 b. The nuts 29 are screwed to be fixed to the holding plates 19a and 19b. The bus bar 28 connects two electrodes 18a (here, a plus electrode and a minus electrode) of the adjacent battery cells 18.

  On the holding plate 19a side, each covered electric wire 36a terminated by each round terminal 30 is separated from the covered electric wire bundle 10a in the electric wire holder 14 in the vicinity of each round terminal 30, and the covered electric wire bundle 10a is a female connector. Terminal processing is performed at 15a. The laying direction of the covered wire bundle 10a coincides with the alignment direction of the battery cells 18. Each electric wire holder 14, each covered electric wire 36a, and the covered electric wire bundle 10a constitute a harness for detecting the voltage of each battery cell 18. The female connector 15 a is connected to a male connector 15 b provided in a casing of a battery ECU (Electronic Control Unit) 17.

Also on the holding plate 19b side, similarly to the holding plate 19a side, each covered wire (not shown) terminated by each round terminal 30 is separated from the covered wire bundle 10b in the vicinity of each round terminal 30 and covered. The wire bundle 10b is terminated by the female connector 16a. The laying direction of the covered wire bundle 10b matches the alignment direction of the battery cells 18. Each electric wire holder 14, each covered electric wire, and the covered electric wire bundle 10b form a harness for detecting the voltage of each battery cell 18. The female connector 16a is connected to a male connector 16b attached to the casing of the battery ECU 17.
The output of the battery module constituted by the battery cells 18 connected in series by each bus bar 28 is given to a junction box (not shown) by power lines 11a (for example, the minus side) and 11b (for example, the plus side).

FIG. 2 is a block diagram showing a circuit configuration of the battery module 27 described above.
In the battery module 27, for example, ten battery cells 18 are connected in series between the power lines 11a and 11b. The voltage of each battery cell 18 is detected by the voltage detection unit 24, and each detected voltage value is given to the calculation control unit 25 and used for charge / discharge control of the battery module 27.

Each battery cell 18 includes a temperature sensor 20. Each temperature value detected by each temperature sensor 20 is read by the temperature detection unit 23, and each read temperature value is given to the arithmetic control unit 25. It is used for temperature control of the battery module 27 by a fan (not shown).
The current sensor 21 detects the output current of the battery module 27, the current value detected by the current sensor 21 is read into the current detection unit 22, and the read current value is given to the arithmetic control unit 25. Used for charge / discharge control of the battery module 27.
The current detection unit 22, the temperature detection unit 23, the voltage detection unit 24, and the calculation control unit 25 constitute a battery ECU 17 composed of a microcomputer.

FIG. 4 is an enlarged perspective view showing the electric wire holder 14 and its surroundings.
The electric wire holder 14 holds the two covered electric wires 36a separated from the covered electric wire bundle 10a in the direction of the bolts to be connected to the respective round terminals 30 opposite to each other.
As shown in FIG. 5, the electric wire holder 14 protrudes in a predetermined angle direction that is not perpendicular to the wall from a cylindrical section 32 having a square cross section and two through holes 37 provided in different walls of the cylindrical section 32. And two holding portions 31 provided.

The two holding portions 31 are opposite to each other, and in order to hold the covered electric wires 36a separated from the covered electric wire bundle 10a in the cylindrical portion 32 in a predetermined angle direction, a groove shape into which the covered electric wires 36a are inserted, Alternatively, each is formed in a cylindrical shape through which the covered electric wire 36a is inserted.
The electric wire holder 14 is divided, for example, on a plane parallel to the plane including the two holding portions 31 so that the covered electric wire 36a can be easily separated. After the separation process 36a is performed, the other is bonded or hooked.

  In such a battery module, each covered electric wire 36a is held in the direction of the bolt to which each round terminal 30 is to be connected, and therefore there is almost no mistake in the position to connect each covered electric wire 36a. If an operator tries to connect to an incorrect position, the length of the covered electric wire 36a may be insufficient, or the direction of the covered electric wire 36a may become unreasonable, and an error can be noticed.

In the embodiment described above, the electric wire holder 14 holds the direction of the two covered electric wires 36a. Instead of the electric wire holder 14, for example, the direction of the four covered electric wires 36a is held. It is also possible to use an electric wire holder.
FIG. 6 is a perspective view showing a usage pattern of the electric wire holder 33 that holds the directions of the four covered electric wires 36a.
The electric wire holder 33 holds the four covered electric wires 36a separated from the covered electric wire bundle 10a in the radial direction toward the bolts to which the respective round terminals 30 should be connected.
As shown in FIG. 7, the electric wire holder 33 protrudes in a predetermined angle direction that is non-perpendicular to the wall from a cylindrical section 35 having a square cross section and four through holes 37 provided in the wall of the cylindrical section 35. The four holding portions 34 are provided.

The four holding portions 34 are directed radially, and the covered electric wires 36a are inserted in order to hold the four covered electric wires 36a separated from the covered electric wire bundle 10a in the cylindrical portion 35 in a predetermined angle direction. Each is formed in a groove shape or a cylindrical shape through which the covered electric wire 36a is inserted.
The electric wire holder 33 is divided, for example, in a plane parallel to the plane including the four holding portions 34 so that the covered electric wire 36a can be easily separated. After the separation process 36a is performed, the other is bonded or hooked.

  In the battery module using this electric wire holder 33, each covered electric wire 36a is held in the direction of the bolt to which each round terminal 30 should be connected. It is possible to prevent the wrong position from being mistaken. If an operator tries to connect to an incorrect position, the length of the covered electric wire 36a may be insufficient, or the direction of the covered electric wire 36a may become unreasonable, and an error can be noticed.

It is a perspective view which shows a part of external appearance of the battery module which is embodiment of the harness which concerns on this invention, an electric wire holder, and a battery apparatus. It is a block diagram which shows the circuit structure of a battery module. It is explanatory drawing which shows the fixing method to the holding plate of a battery cell. It is a perspective view which expands and shows an electric wire holder and its periphery. It is a perspective view which shows the example of an external appearance of an electric wire holder. It is a perspective view which shows the usage condition of the electric wire holder which hold | maintains the direction of four covered electric wires. It is a perspective view which shows the example of an external appearance of an electric wire holder. It is a perspective view which shows a part of external appearance of battery modules, such as the conventional lithium ion battery. It is a perspective view which shows the connection form of the conventional covered wire | conductor.

Explanation of symbols

10a, 10b Covered wire bundle 11a, 11b Power line 14, 33 Electric wire holder 17 Battery ECU
18 battery cell 19a, 19b holding plate 18a electrode 20 temperature sensor 27 battery module 28 bus bar 29 nut 30 round terminal 31 holding part 32, 35 cylinder part 36a covered electric wire 37 through hole

Claims (9)

  1. In a harness comprising a covered electric wire bundle in which a plurality of covered electric wires each terminated by a terminal are bundled, and each covered electric wire is configured to be separated from the covered electric wire bundle at a predetermined position,
    One or more holdings for holding the covered electric wire at a position where the covered electric wire is separated from the covered electric wire bundle so that the direction of the covered electric wire forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle. A harness comprising a tool.
  2.   The harness according to claim 1, wherein each of the holders holds two covered electric wires, and the two covered electric wires are oriented in opposite directions.
  3.   The harness according to claim 1, wherein each of the holders holds three or more covered electric wires, and the directions of the three or more covered electric wires are radial.
  4.   A cylindrical portion into which a plurality of electric wires are to be inserted, one or a plurality of through-holes provided in the wall of the cylindrical portion, and an opening outside the through-hole so as to form a predetermined angle that is not perpendicular to the wall. 1 or a plurality of holding parts, and is constituted so that one electric wire which penetrated the above-mentioned penetration hole is held by the above-mentioned holding part.
  5.   The electric wire holder according to claim 4, wherein each of the through holes and the holding portions is provided so that each holding portion has a reverse direction.
  6.   The electric wire holder according to claim 4, wherein each of the through holes and the holding portions is provided with three or more, and each holding portion is configured to have a radial direction.
  7. Battery cell group arranged in a plurality of rows so that the electrodes are directed in the same direction, a plurality of terminals respectively connected to the electrodes of each battery cell of the battery cell group, and a plurality of coatings each terminal-treated by the terminals A harness having a covered electric wire bundle in which electric wires are bundled, and the direction of the covered electric wire bundle coincides with the alignment direction of the battery cell group, and in the vicinity of the electrode to which the terminal of the covered electric wire is connected, In the battery device in which the electric wire is separated from the covered electric wire bundle,
    The harness holds a plurality of the covered electric wires at a position where the covered electric wires are separated from the covered electric wire bundle so that the direction of the covered electric wires forms a predetermined angle that is not perpendicular to the direction of the covered electric wire bundle. A battery device comprising a holder.
  8.   The battery device according to claim 7, wherein each of the holders holds two covered electric wires, and the two covered electric wires are oriented in opposite directions.
  9.   The battery device according to claim 7, wherein each of the holders holds three or more covered electric wires, and the directions of the three or more covered electric wires are radial.
JP2008044914A 2008-02-26 2008-02-26 Harness, wire holder, and battery device Pending JP2009205865A (en)

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JP2008044914A JP2009205865A (en) 2008-02-26 2008-02-26 Harness, wire holder, and battery device

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JP2008044914A JP2009205865A (en) 2008-02-26 2008-02-26 Harness, wire holder, and battery device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012064455A (en) * 2010-09-16 2012-03-29 Yazaki Corp Battery connecting member
JP2012190919A (en) * 2011-03-09 2012-10-04 Toyota Motor Corp Noise reduction device and bus bar module
JP2013037987A (en) * 2011-08-10 2013-02-21 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013168392A (en) * 2013-06-06 2013-08-29 Yazaki Corp Battery connection member

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000236608A (en) * 1999-02-15 2000-08-29 Sumitomo Wiring Syst Ltd Branch part protective member for wire bundle
JP2004006210A (en) * 2002-03-29 2004-01-08 Yazaki Corp Wire harness and its manufacturing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000236608A (en) * 1999-02-15 2000-08-29 Sumitomo Wiring Syst Ltd Branch part protective member for wire bundle
JP2004006210A (en) * 2002-03-29 2004-01-08 Yazaki Corp Wire harness and its manufacturing method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012064455A (en) * 2010-09-16 2012-03-29 Yazaki Corp Battery connecting member
US9331319B2 (en) 2010-09-16 2016-05-03 Yazaki Corporation Battery connector with a plurality of voltage detection terminals
JP2012190919A (en) * 2011-03-09 2012-10-04 Toyota Motor Corp Noise reduction device and bus bar module
US9117587B2 (en) 2011-03-09 2015-08-25 Toyota Jidosha Kabushiki Kaisha Noise reduction device and bus bar module
JP2013037987A (en) * 2011-08-10 2013-02-21 Auto Network Gijutsu Kenkyusho:Kk Battery wiring module
JP2013168392A (en) * 2013-06-06 2013-08-29 Yazaki Corp Battery connection member

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