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A high voltage distribution box

A high-voltage power distribution box and box body technology, which is applied in the directions of electrical components, substation/switch arrangement details, substation/switchgear cooling/ventilation, etc. problems such as shortened component life

Active Publication Date: 2018-12-07
BEIJING ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a high-voltage power distribution box that can actively dissipate heat, so as to solve the problem that the temperature of the high-voltage power distribution box is too high and the life of the electrical components is shortened due to the inability to completely discharge the heat generated by the current and electrical components when the high-voltage power distribution box is in normal operation. The problem

Method used

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Embodiment Construction

[0050] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0051] like Figure 1-Figure 3 As shown, an embodiment of the present invention provides a high-voltage power distribution box, including:

[0052] A box body 1 with an air outlet on the side;

[0053] A fan bottom compartment 9 fixedly connected with the box body 1, the box body 1 and the fan bottom compartment 9 form an accommodating space;

[0054] The fan 10 placed in the accommodating space and fixedly installed on the fan bottom compartment 9;

[0055] A mounting plate 25 is arranged above the fan 10, and the mounting plate 25 is fixedly connected with the box body 1;

[0056] A heating element and a fan switch 16 electrically connected to the fan 10 are fixed on the mounting plate 25;

[0057] A temperature detection device disposed in the acc...

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Abstract

The invention provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.

Description

technical field [0001] The invention belongs to the technical field of high-voltage electrical systems of automobiles, and in particular relates to a high-voltage power distribution box. Background technique [0002] The high-voltage power distribution box in existing electric vehicles generally adopts a sealed structure, which cannot completely discharge the heat generated by the current and electrical components when the high-voltage power distribution box is working normally; The cooling effect of the box is average, and the temperature in the high-voltage power distribution box and the life of the electrical components cannot be guaranteed. In order to solve the above-mentioned heat dissipation problem, the patent of the present invention adopts an active heat dissipation method to reduce the temperature in the high-voltage power distribution box and prolong the life of the electrical components. Contents of the invention [0003] The purpose of the present invention ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B1/46H02B1/56
CPCH02B1/46H02B1/565
Inventor 李晓斌
Owner BEIJING ELECTRIC VEHICLE
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