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Mixed motivity automobile high-voltage electricity segmenting apparatus

A hybrid vehicle and breaking device technology, applied in electric vehicles, electrical devices, circuits, etc., can solve the problems of high cost, poor reliability, complex structure, etc., achieve short response time, realize electrical safety protection, structure Simple and compact effect

Inactive Publication Date: 2008-03-12
XIANGTAN ELECTRIC MFG CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing high voltage breaking devices have complex structure, high cost and poor reliability

Method used

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  • Mixed motivity automobile high-voltage electricity segmenting apparatus
  • Mixed motivity automobile high-voltage electricity segmenting apparatus
  • Mixed motivity automobile high-voltage electricity segmenting apparatus

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Experimental program
Comparison scheme
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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] With reference to Fig. 1 (a), (b) and Fig. 7 (b), present embodiment comprises the universal inertial sensor 19 that is installed on the vehicle body, collision trigger switch 20, control circuit 21; Universal inertial sensor 19 and collision trigger switch 20 is connected in parallel with the control coil of the DC contactor KM in the control circuit 21, the high current (rated current 250A) relays (KA1, KA2, KA3) in the control circuit 21 are connected with the battery I 22-1 of the battery pack 22, the battery II 22-2 and battery III 22-3 are connected in series to form a battery group segment circuit (as shown in Fig. 7-c).

[0023] Referring to Fig. 2, Fig. 3 and Fig. 4, the universal inertial sensor 19 mainly includes an upper cover plate 1, an upper fork 2, a box body 3, a pin 4, a square 5, a copper ring 6, a lower fork...

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PUM

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Abstract

A high voltage electricity disjunction device of a mixed power automobile includes a universal inertia sensor and a disjunction control device between an impact trigger switch and a battery group. The impact trigger switch is installed at the inner side of a battery flat door and is clung to the battery flat door, and the impact trigger switch can be closed or disconnected which is decided by the deformation degree of the battery flat door. The present invention has simple and compact structure, convenient assembly, small and exquisite size and low cost and can be well installed at the vehicle with a wide application range.

Description

technical field [0001] The invention relates to a high-voltage breaking device for a hybrid electric vehicle, in particular to a high-voltage breaking device for a high-voltage safety system of a hybrid electric vehicle. Background technique [0002] Part of the power source of a hybrid car comes from electric energy, which is provided by the battery pack in the car. In general, the power supply of a hybrid electric vehicle is formed by connecting multiple low-voltage batteries in series to form high-voltage electricity (generally higher than 300V) to meet the electric energy required for the operation of the vehicle. This high-voltage electricity may pose a threat to the safety of drivers and passengers when the car collides, rolls over and other dangerous working conditions, or may cause emergency rescue personnel to be injured by electricity, so a high-voltage breaking device is needed to protect against collisions , rollover accident monitoring, and can provide signals ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/04H01H35/02
Inventor 曹立波朱利民邓群徐卫东陈鹏谭咸伟
Owner XIANGTAN ELECTRIC MFG CORP LTD