GB1603207A - Device for making an electrical connection to a lead-acid battery - Google Patents

Device for making an electrical connection to a lead-acid battery Download PDF

Info

Publication number
GB1603207A
GB1603207A GB1700277A GB1700277A GB1603207A GB 1603207 A GB1603207 A GB 1603207A GB 1700277 A GB1700277 A GB 1700277A GB 1700277 A GB1700277 A GB 1700277A GB 1603207 A GB1603207 A GB 1603207A
Authority
GB
United Kingdom
Prior art keywords
collar
cable
lead
connector member
around
Prior art date
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.)
Expired
Application number
GB1700277A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LUCAS BATTERIES Ltd
Original Assignee
LUCAS BATTERIES Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LUCAS BATTERIES Ltd filed Critical LUCAS BATTERIES Ltd
Priority to GB1700277A priority Critical patent/GB1603207A/en
Publication of GB1603207A publication Critical patent/GB1603207A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve

Landscapes

  • Connection Of Batteries Or Terminals (AREA)

Description

(54) A DEVICE FOR MAKING AN ELECTRICAL CONNECTION TO A LEAD-ACID BATTERY (71) We, LUCAS BATTERIES LIMI TED, of Well Street, Birmingham, B19 2XF, a British Company, do hereby declare the invention for which we pray that a Patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement: This invention relates to a device for making an electrical connection to a lead-acid battery, in particular a traction battery.
A device, according to the invention, includes a connector member formed of lead or a lead alloy and engageable with a terminal of the battery, a multi-strand electrical cable which at one end is received with-in a collar integral with the connector member, with at least a portion of said collar being mechanically deformed around said cable so that said one end of the cable is retained by, and electrically connected to, said collar, an insulating sheath which surrounds the region of the cable projecting from the connector member, and a protective sleeve extending from the collar over the adjacent portion of the sheath.
Preferably, the device includes a further lead or lead alloy connector member having an integral collar receiving the other end of the cable, with at least a portion of the collar of said further connector member being mechanically deformed around the cable and a further protective sleeve extending from the collar of said further member over the adjacent portion of the insulating sheath.
Preferably, said portion of the or each collar is crimped around said cable.
Preferably, said crimped portion is of substantially hexagonal form whereas the remainder of the collar is substantially cylindrical.
The accompanying drawing is a part-sectional plan view of a device according to one example of the invention.
Referring to the drawing, the device shown is intended to provide an electrical connection between the drive motor of an electrically driven vehicle and a pack of lead-acid, traction batteries for providing power to the motor.
In particular, the device is intended to electrically connect one output terminal of the battery pack to one input terminal of the motor.
The device includes a length of flexible, multi-strand electrical cable 11, each strand of the cable being formed of copper. Surrounding the cable 11 is an insulating sheath 12 which at its opposite ends is cut back to expose the cable 11. Each exposed end of the cable extends into a lead or lead alloy collar 13 which is mechanically deformed around the cable 11 so that the respective end of the cable is retained by, and electrically connected to, the collar. Formed integrally with each collar 13 is a respective hollow, connector bush 14 which is adapted to be er- gaged with either said output terminal of the battery pack or said input terminal of the drive motor.
In addition, the device includes a protective sleeve 16 which extends from each collar 13 over the adjacent portion of the sheath 12 to prevent, in use, ingress of foreign material between the cable 11 and the internal wall of the collar.
To produce the device described above, the exposed ends of the cable 11 are inserted in their respective collars 13, prior to deformation of the collars. At this stage each collar is arranged to be of substantially cylindrical configuration along its length and to have a bore of substantially constant diameter. Each exposed end of the cable is inserted into its associated collar 13 until it engages the end of the collar connected to the member 14, whereafter a portion 15 of the collar is located in a crimping tool. The jaws of the crimping tool are arranged so that, when closed, they are of substantially hexagonal configuration whereby, when each collar 13 is crimped, diametrically opposite regions of the portion t5 are compressed equally onto the cable 11.
This ensures that the mechanical join between the collar 13 and the cable 11 is substantially uniform around the cable.
In the device described above, the joint between the cable 11 and each collar 13 is found to have a high mechanical strength and a low internal resistance as compared with conventional arrangements of this type, in which the collar 13 and member 14 are produced by casting lead or lead alloy around the exposed ends of the cable 11. Moreover, in the conventional arrangements, the exposed ends of the cable must be tinned before the casting operation and it is found that this leads to a brittle joint between the cable and the connectors.
WHAT WE CLAIM IS: 1. A device for mating an electrical connec tion to a lead-acid battery, including a connector member formed of lead or a lead alloy and engageable with a terminal of the battery, a multi-strand electrical cable which at one end is received within a collar integral with the connector member, with at least a portion of said collar being mechanically deformed around said cable so that said one end of the cable is retained by, and electrically connected to, said collar, an insulating sheath which surrounds the region of the cable projecting from the connector member, and a protective sleeve extending from the collar over the adjacent portion of the sheath.
2. A device as claimed in Claim 1 and including a further lead or lead alloy connector member having an integral collar receiving the other end of the cable, with at least a portion of the collar of said further connector member being mechanically deformed around the cable and a further protective sleeve extending from the collar of said further member over the adjacent portion of the insulating sheath.
3. A device as claimed in Claim 1 or Claim 2, wherein said portion of the each collar is crimped around said cable.
4. A device as claimed in Claim 3, wherein said crimped portion is of substantially hexagonal form whereas the remainder of the collar is substantially cylindrical.
5. A device for making an electrical connection to a lead-acid battery substantially as hereinbefore described with reference to the accompanying drawing.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (5)

**WARNING** start of CLMS field may overlap end of DESC **. between the cable 11 and each collar 13 is found to have a high mechanical strength and a low internal resistance as compared with conventional arrangements of this type, in which the collar 13 and member 14 are produced by casting lead or lead alloy around the exposed ends of the cable 11. Moreover, in the conventional arrangements, the exposed ends of the cable must be tinned before the casting operation and it is found that this leads to a brittle joint between the cable and the connectors. WHAT WE CLAIM IS:
1. A device for mating an electrical connec tion to a lead-acid battery, including a connector member formed of lead or a lead alloy and engageable with a terminal of the battery, a multi-strand electrical cable which at one end is received within a collar integral with the connector member, with at least a portion of said collar being mechanically deformed around said cable so that said one end of the cable is retained by, and electrically connected to, said collar, an insulating sheath which surrounds the region of the cable projecting from the connector member, and a protective sleeve extending from the collar over the adjacent portion of the sheath.
2. A device as claimed in Claim 1 and including a further lead or lead alloy connector member having an integral collar receiving the other end of the cable, with at least a portion of the collar of said further connector member being mechanically deformed around the cable and a further protective sleeve extending from the collar of said further member over the adjacent portion of the insulating sheath.
3. A device as claimed in Claim 1 or Claim 2, wherein said portion of the each collar is crimped around said cable.
4. A device as claimed in Claim 3, wherein said crimped portion is of substantially hexagonal form whereas the remainder of the collar is substantially cylindrical.
5. A device for making an electrical connection to a lead-acid battery substantially as hereinbefore described with reference to the accompanying drawing.
GB1700277A 1978-05-12 1978-05-12 Device for making an electrical connection to a lead-acid battery Expired GB1603207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1700277A GB1603207A (en) 1978-05-12 1978-05-12 Device for making an electrical connection to a lead-acid battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1700277A GB1603207A (en) 1978-05-12 1978-05-12 Device for making an electrical connection to a lead-acid battery

Publications (1)

Publication Number Publication Date
GB1603207A true GB1603207A (en) 1981-11-18

Family

ID=10087483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1700277A Expired GB1603207A (en) 1978-05-12 1978-05-12 Device for making an electrical connection to a lead-acid battery

Country Status (1)

Country Link
GB (1) GB1603207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29714046U1 (en) 1997-08-06 1998-12-17 Haas, Wolfgang, 42117 Wuppertal Contact cable for galvanic drum goods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29714046U1 (en) 1997-08-06 1998-12-17 Haas, Wolfgang, 42117 Wuppertal Contact cable for galvanic drum goods

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920512