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PCB composite board for PTC heater

A combination board and heater technology, applied in battery pack parts, conductive connections, electrical components, etc., can solve the problems of unsafe use of high and low voltage electrodes, electromagnetic interference of PCB circuit boards, and low heat dissipation performance, and achieve easy heat dissipation, The effect of eliminating false welding and improving safety

Pending Publication Date: 2018-11-16
芜湖黑特新能源汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a PCB combination board for PTC heaters, to solve the problem of low heat dissipation of the PCB circuit boards for PTC heaters in the prior art, and easy welding with battery pack components. There are technical problems such as false soldering, electromagnetic interference between PCB circuit boards, and unsafe use of high and low voltage electrodes.

Method used

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  • PCB composite board for PTC heater
  • PCB composite board for PTC heater
  • PCB composite board for PTC heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 discloses a PCB combination board for a PTC heater, such as figure 1 As shown, it includes a positive plate 2, two negative plates 2 and a negative plate 3, two rows of positive plate jacks 11 are provided on the positive plate 2, and a row of negative plate jacks 21 are provided on the negative plate 2 and the negative plate 3. The end of the positive plate 2 is also provided with a positive line welding end (pad) 12, and the end of the negative plate 2 is provided with a negative line welding end (pad) 22 and a negative line welding end (pad) 23; The welding end 12 is electrically connected to the positive electrode socket 11 through the positive printed circuit (not marked in the figure) on the positive plate 1; The negative electrode printed circuit (not marked) on the negative electrode plate 2 and the negative electrode plate 3 is electrically connected; the positive electrode plate 1 and the negative electrode plate 2 or the negative electrode plate ...

Embodiment 2

[0019] Embodiment 2 discloses a PCB combination board for a PTC heater, comprising a positive plate 2, two negative plates 2 and a negative plate 3, two rows of positive plate jacks 11 are provided on the positive plate 2, the negative plate 2 and the negative plate 3 are provided with a row of negative plate jacks 21; the end of the positive plate 2 is also provided with a positive line welding end (pad) 12, and the end of the negative plate 2 is provided with a negative line welding end (pad) 22 and negative electrode Wire welding end (pad) 23; positive wire welding end 12 and positive electrode sheet jack 11 are electrically connected through the positive electrode printed circuit (not marked in the figure) on positive electrode plate 1; negative electrode wire welding end 22 and negative electrode wire welding The terminal 23 is electrically connected to the negative plate jack 21 respectively through the negative printed circuit (not marked in the figure) on the negative p...

Embodiment 3

[0022] The connection and position of the components in this embodiment are the same as those in Embodiment 2. The only difference is that the PCB combination board in this embodiment is composed of 5 pieces of spliced ​​boards, and the arrangement is negative plate, positive plate from left to right. plate, negative plate, positive plate and negative plate; wherein the positive plate is provided with two rows of positive plate jacks 11, the negative plate in the middle is also provided with two rows of negative plate jacks 21, and the negative plates on both sides are provided with There is a row of negative plate jacks 21; the installation method is the same as that in Embodiment 2.

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Abstract

The invention discloses a PCB composite board for a PTC heater. The PCB composite board comprises a positive plate and a negative plate, wherein the positive plate is provided with a plurality of positive pole jacks, and the negative plate is provided with a plurality of negative pole jacks; the end part of the positive plate is provided with a positive wire welding end, and the end part of the negative plate is provided with a negative wire welding end; the positive wire welding end and the plurality of positive pole jacks are electrically connected through a positive printed circuit on the positive plate; the negative wire welding end and the plurality of negative pole jacks are electrically connected through a negative printed circuit on the negative plate; and the positive plate and the negative plate do not contact with each other. The PCB composite board provided by the invention improves the technical problems of poor heat dissipation performance, low safety, low yield and the like of conventional PCB boards, and has the characteristics of simple structure, good heat dissipation performance, high qualified rate of welding, good safety performance and the like.

Description

technical field [0001] The invention relates to the field of PCB boards, in particular to a PCB composite board for a PTC heater. Background technique [0002] At present, in the field of new energy vehicles, the comfort of winter compartments and the charging and discharging of power batteries require a certain amount of heat. Since electric vehicles currently lack the waste heat of engines of traditional vehicles, electric heating systems must be used for heating; Automobiles require high energy density, long life of batteries and customer-oriented high-power fast charging capabilities. At present, the thermal management solutions of domestic manufacturers continue to upgrade to fast liquid cooling, direct cooling and other solutions. The existing liquid heating PTC assembly Including water chamber, control box, heating aluminum seat, etc.; wherein the heating aluminum seat is also equipped with a heating package assembly and a PCB circuit board, the heating package assemb...

Claims

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Application Information

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IPC IPC(8): H01M2/20H01R4/02H01R12/53H01R12/58
CPCH01R4/029H01R12/53H01R12/58H01M50/502Y02E60/10
Inventor 吴强相春德蔡晓航周玉峰
Owner 芜湖黑特新能源汽车科技有限公司
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