CN112490534A - 冷热一体式液冷板 - Google Patents
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Abstract
本发明的目的是提供一种冷热一体式液冷板,包括有上平板,上平板下设置有下流道板,下流道板与上平板之间的间隙构成封闭的蛇形的流道,上平板顶部位于蛇形的流道两端处分别设置有进水嘴和出水嘴,从进水嘴进冷水到流道内,水从出水嘴出水,实现循环液冷;上平板底部位蛇形的流道的间隔处设置有两个PTC发热芯体;两个PTC发热芯体侧面均连接有接电线,两个接电线共同连接接电端子进行接电。通过将电池安放在上平板上,从进水嘴进冷水到流道内,水从出水嘴出水,实现循环液冷,需要加热的时候启动PTC发热芯体进行加热,一体式液冷板将加热和冷却,完美结合,重量轻、体积小、水阻小、性能安全、结构简单。
Description
技术领域
本发明涉及纯电动汽车电池热管理领域,尤其涉及一种冷热一体式液冷板。
背景技术
纯电动汽车是未来汽车发展的必然趋势,为了提高驾驶舒适度和市场竞争力以及整车电池寿命,为其配套热管理系统是必不可少的。传统燃油汽车空调系统是利用发动机余热供暖,由于纯电动汽车没有发动机,主要能量来源于电池,那么如何制热为纯电动汽车热管理系统带来了新的挑战。锂离电池的最佳温度范围为+20~+30℃。在低温时,锂电池因阳极析锂,导致容量永久性降低。在高温时,活性化学物质可能发生不可逆的反应,从而破坏电池。主要影响:循环寿命、行驶里程、充电时间。目前主要的方案分别为:水加热PTC配合液冷板,给电池提供加热和加热膜。针对上述方案,1.水加热PTC配合液冷板系统复杂成本高,2.加热膜易刺穿,耐电压差,温度易失控,存在漏电起火风险。针对上述问题我们研发了一款冷热一体式液冷板。
发明内容
为解决上述问题,本发明提供一种冷热一体式液冷板,通过将电池安放在上平板上,从进水嘴进冷水到流道内,水从出水嘴出水,实现循环液冷,需要加热的时候启动PTC发热芯体进行加热,一体式液冷板将加热和冷却,完美结合,重量轻、体积小、水阻小、性能安全、结构简单,解决了背景技术出现的问题。
本发明的目的是提供一种冷热一体式液冷板,包括有上平板,上平板下设置有下流道板,下流道板与上平板之间的间隙构成封闭的蛇形的流道,上平板顶部位于蛇形的流道两端处分别设置有进水嘴和出水嘴,从进水嘴进冷水到流道内,水从出水嘴出水,实现循环液冷;上平板底部位蛇形的流道的间隔处设置有两个PTC发热芯体;两个PTC发热芯体侧面均连接有接电线,两个接电线共同连接接电端子进行接电。
进一步改进在于:所述PTC发热芯体外设置有外壳,外壳设置在上平板底部,外壳位于接电线一端是开口的。
进一步改进在于:所述蛇形的流道下表面分布蛇形排列的向上凹的凹陷。
进一步改进在于:所述上平板位于接电线一端往侧面伸出有两个带有安装孔的固定臂。
本发明的有益效果:本发明通过将电池安放在上平板上,从进水嘴进冷水到流道内,水从出水嘴出水,实现循环液冷,需要加热的时候启动PTC发热芯体进行加热,一体式液冷板将加热和冷却,完美结合,重量轻、体积小、水阻小、性能安全、结构简单。
附图说明
图1是本发明的侧视图。
图2是本发明的俯视示意图。
图3是本发明的仰视示意图。
其中:1-上平板,2-下流道板,3-进水嘴,4-出水嘴,5-PTC发热芯体,6-接电线,7-接电端子,8-外壳,9-固定臂。
具体实施方式
为了加深对本发明的理解,下面将结合实施例对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。
如图1-3所示,本实施例提供一种冷热一体式液冷板,包括有上平板1,上平板1下设置有下流道板2,下流道板2与上平板1之间的间隙构成封闭的蛇形的流道,上平板1顶部位于蛇形的流道两端处分别设置有进水嘴3和出水嘴4,从进水嘴3进冷水到流道内,水从出水嘴4出水,实现循环液冷;上平板1底部位蛇形的流道的间隔处设置有两个PTC发热芯体5;两个PTC发热芯体5侧面均连接有接电线6,两个接电线6共同连接接电端子7进行接电。
所述PTC发热芯体5外设置有外壳8,外壳8设置在上平板1底部,外壳8位于接电线6一端是开口的。所述蛇形的流道下表面分布蛇形排列的向上凹的凹陷。所述上平板1位于接电线6一端往侧面伸出有两个带有安装孔的固定臂9。
通过将电池安放在上平板1上,从进水嘴3进冷水到流道内,水从出水嘴4出水,实现循环液冷,需要加热的时候启动PTC发热芯体5进行加热,一体式液冷板将加热和冷却,完美结合,重量轻、体积小、水阻小、性能安全、结构简单。
Claims (4)
1.一种冷热一体式液冷板,其特征在于:包括有上平板(1),上平板(1)下设置有下流道板(2),下流道板(2)与上平板(1)之间的间隙构成封闭的蛇形的流道,上平板(1)顶部位于蛇形的流道两端处分别设置有进水嘴(3)和出水嘴(4),从进水嘴(3)进冷水到流道内,水从出水嘴(4)出水,实现循环液冷;上平板(1)底部位蛇形的流道的间隔处设置有两个PTC发热芯体(5);两个PTC发热芯体(5)侧面均连接有接电线(6),两个接电线(6)共同连接接电端子(7)进行接电。
2.如权利要求1所述冷热一体式液冷板,其特征在于:所述PTC发热芯体(5)外设置有外壳(8),外壳(8)设置在上平板(1)底部,外壳(8)位于接电线(6)一端是开口的。
3.如权利要求1所述冷热一体式液冷板,其特征在于:所述蛇形的流道下表面分布蛇形排列的向上凹的凹陷。
4.如权利要求1所述冷热一体式液冷板,其特征在于:所述上平板(1)位于接电线(6)一端往侧面伸出有两个带有安装孔的固定臂(9)。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113206314A (zh) * | 2021-03-24 | 2021-08-03 | 浙江合众新能源汽车有限公司 | 一种集成液冷板 |
WO2023122994A1 (zh) * | 2021-12-28 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | 换热板、电池、用电装置及电池的制造方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113206314A (zh) * | 2021-03-24 | 2021-08-03 | 浙江合众新能源汽车有限公司 | 一种集成液冷板 |
WO2023122994A1 (zh) * | 2021-12-28 | 2023-07-06 | 宁德时代新能源科技股份有限公司 | 换热板、电池、用电装置及电池的制造方法 |
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