CN202220947U - 折叠式真空隔热板 - Google Patents

折叠式真空隔热板 Download PDF

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CN202220947U
CN202220947U CN2011202974128U CN201120297412U CN202220947U CN 202220947 U CN202220947 U CN 202220947U CN 2011202974128 U CN2011202974128 U CN 2011202974128U CN 201120297412 U CN201120297412 U CN 201120297412U CN 202220947 U CN202220947 U CN 202220947U
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composite membrane
aluminum
membrane bag
vacuum
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糜玥崎
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Jiangsu Shanyou Diao Energy Saving New Material Co ltd
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Abstract

一种折叠式真空隔热板，包括芯材和铝塑复合膜袋，所述芯材至少为两块，芯材处于铝塑复合膜袋内且相邻芯材之间具有间距，铝塑复合膜袋内为真空。本实用新型将多块芯材放入同一铝塑复合袋中，即多块芯材在同一真空腔中，由于减少了接缝，从而减少了泄热，增强了保温效果。在用料上因减少接缝而省料。

Description

折叠式真空隔热板
技术领域
本实用新型涉及折叠式真空隔热板。
背景技术
真空隔热板由于能有效地避免空气对流传热，因此导热系数很低，是一种高效保温材料。通过最大限度提高内部真空度来隔绝热传导，达到保温、节能的目的。中国专利申请号是 200610021567．2的发明专利申请公开了一种真空隔热板及制造方法，这种真空隔热板采用耐温隔热纤维材料作为芯材，再放入可吸附水分、吸附氧气、吸附氮气及其它小分子气体的吸气剂混合而成的吸附剂，容纳上述芯材和吸附剂的包装袋中并对其内部抽真空且密封而成的。中国专利号是200920082835．0（授权公告号是201599534U）的实用新型公开了一种超薄多层复合真空隔热板，由三种材料构成，这三种材料为铝塑复合袋、吸气剂和芯材，是将多层芯材与吸气剂烘干并放入铝塑复合袋中抽真空封装而得。目前的真空隔热板均为平板状，对于箱体，需要至少3块真空隔热板，真空隔热板之间需要连接，是依靠芯材外部的铝塑复合膜袋连接而成，所以存在多条接缝，接缝处会因热桥效应而泄热，影响保温效果。
发明内容
本实用新型的目的在于提出一种减少接缝的折叠式真空隔热板。
为达到上述目的，本实用新型采取如下技术方案：
本实用新型提出的折叠式真空隔热板，包括芯材和铝塑复合膜袋，所述芯材至少为两块，芯材处于铝塑复合膜袋内且相邻芯材之间具有间距，铝塑复合膜袋内为真空。
所述芯材为矩形、三角形、等腰梯形或方形。
本实用新型的真空隔热板将多块芯材放入同一铝塑复合袋中，即多块芯材在同一真空腔中，芯材之间具有间隙，使真空隔热板可以折叠，改变了过去多折状的真空隔热板需要多块真空隔热板连接而成，由于减少了接缝，从而减少了泄热，增强了保温效果。在用料上因减少接缝而省料。
附图说明
图1是本实用新型外形图。
图2是图1的剖面图。
具体实施方式
实施例1
图1是包括芯材1和铝塑复合膜袋2，芯材1可以是超细玻璃纤维板或二氧化硅粉制成的板。所述芯材1至少为两块，芯材1处于铝塑复合膜袋2内且相邻芯材1之间具有间距，铝塑复合膜袋2内为真空。芯材1为矩形、三角形、等腰梯形或方形。
上述真空隔热板的制造采用通常的真空隔热板制造方法，采取把至少两块芯材1处于一端或两端开口的铝塑复合膜袋2内，形成半成品；把半成品放入真空热封机的真空腔中，待抽真空到设定值，对铝塑复合膜袋进行封口即成。上述真空隔热板由于是多块芯材，经抽真空后，两芯材之间的两层铝塑复合膜非常接近，形成可折部。把上述的真空隔热板两端连接在一起，则形成闭合的箱体。
  当芯材采用矩形或方形，可加工成方柱箱或棱柱箱。当芯材采用三角形，可加工成棱锥箱。当芯材采用等腰梯形，可加工成棱台箱。

Claims (2)

1.一种折叠式真空隔热板，包括芯材（1）和铝塑复合膜袋（2），其特征在于：所述芯材（1）至少为两块，芯材（1）处于铝塑复合膜袋（2）内且相邻芯材（1）之间具有间距，铝塑复合膜袋内为真空。
2.根据权利要求1所述的折叠式真空隔热板，其特征在于：芯材（1）为矩形、三角形、等腰梯形或方形。
CN2011202974128U 2011-08-16 2011-08-16 折叠式真空隔热板 Expired - Lifetime CN202220947U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610807A (zh) * 2020-12-18 2021-04-06 四川迈科隆真空新材料有限公司 一种多段长条形真空绝热板的制造与切割方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610807A (zh) * 2020-12-18 2021-04-06 四川迈科隆真空新材料有限公司 一种多段长条形真空绝热板的制造与切割方法

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