WO2020063312A1 - 一种充冷冰排 - Google Patents

一种充冷冰排 Download PDF

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Publication number
WO2020063312A1
WO2020063312A1 PCT/CN2019/104917 CN2019104917W WO2020063312A1 WO 2020063312 A1 WO2020063312 A1 WO 2020063312A1 CN 2019104917 W CN2019104917 W CN 2019104917W WO 2020063312 A1 WO2020063312 A1 WO 2020063312A1
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cold
medium
ice
cold storage
storage agent
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PCT/CN2019/104917
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English (en)
French (fr)
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黄国平
周宏胜
李鹏霞
胡花丽
张雷刚
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佛山精迅能冷链科技有限公司
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Publication of WO2020063312A1 publication Critical patent/WO2020063312A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes

Definitions

  • the invention relates to a cold chain distribution tool, particularly an ice platoon.
  • the refrigeration medium used for the cold chain packaging and transportation box is generally an ice bag or ice box, which has a series of problems in use.
  • the ice pack is sealed in a plastic bag and holds a certain volume of cold storage agent, which has the advantages of simple production and convenient production.
  • the ice pack is frozen and has an irregular shape and different states, which makes it difficult to place it in an incubator. It is precisely for this reason that the volume of the ice pack cannot be made too large and the volume is limited, which leads to a decline in the cold storage capacity of the ice pack, which in turn leads to the need to place many ice packs in a cold chain packaging insulation box, which reduces the packaging efficiency.
  • the ice box is filled with a coolant in a rigid plastic box with a regular shape, and its filling mouth is screwed tightly with a screw cap.
  • the plastic box is generally rectangular and flat.
  • the ice box overcomes the problem of the expansion of the ice bag. After the ice box is frozen, the shape remains unchanged, and it is convenient to put in the insulation box. However, after the ice box is released, it needs to be moved to a freezer or refrigerator for freezing, or the frozen ice box must be replaced and repacked. At this time, due to the failure of the ice box cold source in the insulation box, the box is repacked.
  • the internal environment is directly connected to the outside environment of the box, so that the risk of chain breakage of the refrigerated items in the insulation box is increased.
  • the ice box In the process of replacing the ice box and handling the ice row, the ice box needs to be taken out of the insulation box and the frozen ice is discharged into the insulation box.
  • the freezing process of the ice box and the handling process require a lot of manpower.
  • the ice box of the insulation box The placement and cold release treatment need to be operated in accordance with strict operating regulations, especially the cold storage incubator treatment of vaccines. There are too many human factors, which are prone to misoperation and increase the risk of vaccine chain breakage.
  • the technical problem to be solved by the present invention is to provide an ice row structure capable of charging and cooling the cooling capacity of the cold storage agent.
  • a cold-filled ice bank including a shell, the shell is a metal material, the shell is hollow, and a medium flow channel is provided in the shell.
  • the shell includes an outer surface, and a cold storage agent is provided on the outer surface.
  • the cold storage agent is in contact with the outer surface of the housing, so that the cold storage agent can exchange heat with the housing.
  • the housing is provided with a medium inlet and a medium outlet. The medium inlet and the medium outlet are both in communication with the medium flow channel.
  • the casing is further provided with an exhaust port, and an exhaust valve is provided in the exhaust port.
  • a reinforcing rib is further provided on the outer surface of the casing.
  • a guide plate is further provided in the medium flow channel, and the guide plate is provided between a medium inlet and a medium outlet.
  • a through hole is provided on the deflector.
  • the medium flow channel includes a turning section.
  • the medium inlet and the medium outlet are both disposed at the bottom of the casing, and the exhaust port is disposed at the top of the casing.
  • the cold storage agent includes an outer package, and the outer package is filled with a phase change material.
  • the shell is made of an aluminum alloy material.
  • the beneficial effect of the present invention is that in the present invention, a medium flow channel is added to the casing, and then a cold storage agent is affixed on the outer surface of the housing.
  • a medium flow channel is added to the casing, and then a cold storage agent is affixed on the outer surface of the housing.
  • the refrigerant charge can be charged between the medium flow channels, so that the refrigerant charge and the heat storage medium can exchange heat through the surface of the casing, and the cold energy is transferred to the heat storage medium through the medium flow channel, thereby cooling the heat storage medium.
  • Make timely replenishment eliminating the hassle of displacing the ice platoon.
  • Figure 1 is a side sectional view of the present invention
  • Fig. 2 is a front view of the present invention.
  • a cold-filled ice bank includes a shell 1, which is made of metal material, the shell 1 is hollow, and a medium flow path 2 is provided in the shell 1.
  • the shell 1 includes an outer surface 11 on which a cold storage agent 3 is provided, and the cold storage agent is in contact with the outer surface of the housing, so that the heat storage agent can exchange heat with the housing, and the medium is provided on the housing.
  • the inlet 12 and the medium outlet 13 are both in communication with the medium flow path 2.
  • the refrigerant When working, it is connected with the inlet and outlet of the medium through the external cooling and cooling piles.
  • the refrigerant enters the housing from the medium inlet and flows in the medium flow path, and finally flows back from the medium outlet to the cooling and cooling piles.
  • the cold storage medium is applied, and the cold storage medium flows in the medium flow path.
  • the cold storage medium and the cold storage medium are indirectly contacted through the outer surface of the casing, so that the cold storage medium and the cold storage medium can perform efficient heat exchange, so that the cold storage medium is charged.
  • the amount of cold energy is transferred to the refrigerant, and the surface area of the flow channel can be increased to allow the refrigerant to fully contact the refrigerant and improve the heat exchange efficiency.
  • the wall of the shell can be made thin, and the volume occupied by the ice row can also be reduced.
  • the temperature of the refrigerant charge is lower than the phase change temperature of the cold storage agent. Since the temperature of the charge refrigerant is lower than the phase change temperature of the cold storage agent, the liquid cold storage agent is converted into a solid state after absorbing the cold energy. After the charging and cooling are completed, the ice platoon can work again, eliminating the need to disassemble the ice platoon.
  • the casing 1 is further provided with an exhaust port 14, and an exhaust valve 4 is provided in the exhaust port 14.
  • the air release valve 4 exhausts the air inside the casing to prevent the occurrence of a cavity when it is cooled.
  • the outside air can enter the interior of the casing through the air release valve to prevent the refrigerant from being discharged from the ice discharge due to the internal and external pressure difference. .
  • the air pressure in the box can be maintained by the air release valve.
  • a reinforcing rib 15 is further provided on the outer surface of the casing 1.
  • a reinforcing rib is provided so that the wall of the flow channel will not be deformed by the large area of the medium pressure.
  • the shape of the reinforcing ribs can be various, for example, the cross section is round, square, or the whole is curved.
  • a guide plate 5 is further provided in the medium flow channel 2, and the guide plate 5 is provided between a medium inlet 12 and a medium outlet 13.
  • the deflector can make the refrigerant flow sufficiently in the medium flow channel.
  • a through hole 51 is provided in the deflector 5.
  • Through holes in the deflector can prevent the refrigerant from stagnating in the medium flow path, and it is convenient to empty the refrigerant after charging. Also, through holes can make the refrigerant more uniform in the medium flow path.
  • the medium flow channel includes a turning section 21.
  • the turning section Through the turning section, the flow resistance of the refrigerant can be increased to form a flow, and sufficient heat exchange between the refrigerant and the refrigerant can be ensured.
  • the medium flow channel may be a meandering S-shape.
  • the turning section is set in the medium flow channel, so that a structure similar to a plate heat exchanger is formed in the shell, so that the refrigerant flowing through the medium flow channel can have sufficient heat exchange with the shell first, and then the shell and the The heat storage medium undergoes heat exchange.
  • the medium inlet 12 and the medium outlet 13 are both disposed at the bottom of the casing, and the exhaust port 14 is disposed at the top of the casing.
  • the cold storage agent 3 includes an outer package, and the outer package is filled with a phase change material.
  • the shell can include two large outer surfaces, and the cold storage agent is pasted on the outer surface of the shell.
  • the ice row further includes a protective cover, and the housing is located in the protective cover.
  • the protective cover is provided with two connection ports, and the two connection ports are respectively connected to the medium inlet and the medium outlet. Connected.
  • a protective cover is provided outside the casing, and a sealed space is formed between the protective cover and the casing, and then the space is filled with phase change material, that is, another container is made outside the casing to contain the phase change material, thereby forming Coolant.
  • the casing 1 is a metal material, preferably an aluminum alloy material.
  • the shell is made of lightweight material, which reduces its own weight.
  • the shape of the shell can be various.
  • the shell in this embodiment is a rectangular box as a whole.
  • the box includes a front end surface and a rear end surface. Surface, and the thickness at the left and right ends of the box is greater than the thickness of the box.
  • the advantages of this structure not only make the left and right ends protect the coolant, but also improve the overall strength of the shell, making it easier for the coolant to fill the entire medium.
  • the runner has simple structure and low manufacturing cost.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

一种充冷冰排，包括壳体（1），壳体（1）为中空设置并且在其内设有介质流道（2），壳体（1）的外表面（11）上设有蓄冷剂（3），壳体（1）上设有均与介质流道（2）连通的介质进口（12）与介质出口（13）。通过在传统的冰排中加入介质流道（2），当冰排中的蓄冷剂（3）的冷量释放完后，可以通过在介质流道（2）中冲入充冷剂，使充冷剂与蓄冷剂（3）发生热交换，将冷量通过介质流道（2）传递给蓄冷剂（3），对蓄冷剂（3）的冷量进行及时补充。

Description

一种充冷冰排 技术领域
本发明涉及一种冷链配送工具，特别是冰排。
背景技术
在医药领域，各类疫苗、胰岛素、抗生素、血液制品、抗肿瘤药物、生鲜、食品等均需要冷藏储存或运输。在无冷库和冷藏运输车情况下，就需要使用体积小、包装简便、使用灵活的冷链包装运输箱。环保压力的增大，新能源汽车已经是城市配送主流，但新能源汽车一般采用电池储能，一般电池容量有限，冷链配送车如果采用制冷机组必然导致消耗大量电力，这样对于新能源冷链配送车的运行距离受到相当大的制约；目前，冷链包装运输箱所用的制冷媒介一般是冰袋或冰盒，其在使用中存在一系列问题。冰袋是由塑料袋密封盛装一定体积的蓄冷剂，具有制作简单、方便生产的优点。但在使用时，冰袋经冷冻后，形状不规则，状态各异，不便于放置在保温箱内。也正是基于此原因，冰袋体积不能做的太大，体积受到限制，导致冰袋蓄冷能力的下降，进而导致一个冷链包装保温箱内需要放置很多个冰袋，降低了包装效率。
而冰盒是将蓄冷剂灌装在一个形状规则的硬质塑料盒内，其灌装口用螺纹瓶盖拧紧密封，塑料盒一般为长方形、扁平状。冰盒克服了 冰袋的膨胀问题，冰盒在经冰冻后，外形保持不变，方便置入保温箱内。但是冰盒在冷量释放完后，需要重新移动到冻柜或冷库进行冻结，或者更换已冻结的冰盒，重新包装，而此时由于保温箱内冰盒冷源失效，重新包装时，箱内与箱外环境直接连通，这样保温箱中的冷藏物品断链风险加大。在更换冰盒及处理冰排过程中，需要将冰盒从保温箱内取出并将冻结冰排放入保温箱内，冰盒的冻结处理摆放以及搬运过程都需要大量人力，一般保温箱冰盒的摆放以及释冷处理需要按照严格的操作规定操作，特别是疫苗的冷藏保温箱处理操作，人为因素太多，容易产生误操作，增大疫苗断链风险。
发明内容
本发明要解决的技术问题是：提供一种可以对蓄冷剂的冷量进行充冷的冰排结构。
本发明解决其技术问题的解决方案是：一种充冷冰排，包括壳体，所述壳体为金属材料，所述壳体为中空设置，所述壳体内设有介质流道，所述壳体包括外表面，所述外表面上设有蓄冷剂，所述蓄冷剂与壳体的外表面接触，使得蓄冷剂与壳体能发生热交换，所述壳体上设有介质进口与介质出口，所述介质进口与介质出口均与介质流道连通。
作为上述技术方案的进一步改进，所述壳体上还设有排气口，所述排气口中设有放气阀。
作为上述技术方案的进一步改进，所述壳体的外表面上还设有加强筋。
作为上述技术方案的进一步改进，所述介质流道中还设有导流板，所述导流板设有介质进口与介质出口之间。
作为上述技术方案的进一步改进，所述导流板上设有通孔。
作为上述技术方案的进一步改进，所述所述介质流道包括拐弯段。
作为上述技术方案的进一步改进，所述介质进口与介质出口均设置于壳体的底部，所述排气口设于壳体的顶部。
作为上述技术方案的进一步改进，所述蓄冷剂包括外包装，所述外包装中填充有相变材料。
作为上述技术方案的进一步改进，所述壳体为铝合金材料。
本发明的有益效果是：本发明通过在壳体中加入了介质流道，然后在壳体外表面贴敷有蓄冷剂，在使用的过程中，当冰排中的蓄冷剂的冷量释放完之后，可以通过在介质流道之间充入充冷剂，使得充冷剂与蓄冷剂通过壳体的表面发生热交换，将冷量通过介质流道传递给蓄冷剂，从而对蓄冷剂的冷量进行及时的补充，免去了拆换冰排的麻烦。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单说明。显然，所描述的附图只是本发明的一部分实施例，而不是全部实施例，本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他设计方案和附图。
图1是本发明的侧面剖视图；
图2是本发明的正视图。
具体实施方式
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。另外，文中所提到的所有联接/连接关系，并非单指构件直接相接，而是指可根据具体实施情况，通过添加或减少联接辅件，来组成更优的联接结构。本发明创造中的各个技术特征，在不互相矛盾冲突的前提下可以交互组合。
参照图1～图2，一种充冷冰排，包括壳体1，所述壳体为金属材料，所述壳体1为中空设置，所述壳体1内设有介质流道2，所述壳体1包括外表面11，所述外表面上设有蓄冷剂3，所述蓄冷剂与壳体的外表面接触，使得蓄冷剂与壳体能发生热交换，所述壳体上设有介质进口12与介质出口13，所述介质进口12与介质出口13均与介质流道2连通。
工作的时候，通过外设的充冷桩与介质进出口连通，充冷剂从介质进口进入到壳体内部，并在介质流道中流动，最后从介质出口回流到充冷桩，由于介质流道外贴敷了蓄冷剂，而充冷剂在介质流道内流动，充冷剂与蓄冷剂通过壳体的外表面间接接触，从而使得充冷剂与 蓄冷剂能够进行高效地热交换，从而将充冷剂的冷量传递到蓄冷剂中去，而且可以通过增加流道的表面积，使得充冷剂与蓄冷剂能够充分接触，提高换热效率。为了增加表面积，可以将壳体的壁做薄，同时也可以减少冰排占用体积。当然了，所述充冷剂的温度要低于蓄冷剂的相变温度，由于充冷剂的温度低于蓄冷剂的相变温度，从而液态的蓄冷剂在吸收冷量后重新转化为固态，充冷完毕后，冰排又可以重新工作，省去了拆装冰排的工作。
进一步作为优选的实施方式，所述壳体1上还设有排气口14，所述排气口14中设有放气阀4。放气阀4在充冷时排出壳体内部空气防止产生空腔，当充冷完毕后，外界空气可以通过放气阀进入壳体的内部，避免充冷剂由于内外压力差不能排出冰排内。而且通过放气阀可以保持盒体内的气压平衡。
进一步作为优选的实施方式，所述壳体1的外表面上还设有加强筋15。为了加强流道刚性，设置加强筋，使流道壁不会因为大面积的介质压力而变形。加强筋的形状可以多种多样，例如截面是圆形的、方形的，又或者是整体呈弧形的均可。
进一步作为优选的实施方式，所述介质流道2中还设有导流板5，所述导流板5设有介质进口12与介质出口13之间。导流板可以使得充冷剂充分地在介质流道中流动。
进一步作为优选的实施方式，所述导流板5上设有通孔51。导流板可以是多片，而且单片导流板上的通孔也可以设置多个。利用导流板上的通孔，可以避免充冷剂在介质流道中滞留，方便充冷后排空 充冷剂；而且，利用通孔，可以使得充冷剂在介质流道中更均匀。
进一步作为优选的实施方式，所述所述介质流道包括拐弯段21。通过拐弯段，可以增大充冷剂的流动阻力以形成踹流，保证充冷剂与蓄冷剂充分的热交换。优选地，所述的介质流道可以是蜿蜒盘旋的S形。这这个在介质流道中设置拐弯段，使得壳体中形成了类似板式换热器的结构，使得流经介质流道中的充冷剂可以先与壳体发生充分的热交换，然后壳体再与蓄冷剂发生热交换。
进一步作为优选的实施方式，所述介质进口12与介质出口13均设置于壳体的底部，所述排气口14设于壳体的顶部。
进一步作为优选的实施方式，所述蓄冷剂3包括外包装，所述外包装中填充有相变材料。一般壳体可以包括有两个大的外表面，蓄冷剂就粘贴在壳体的外表面上。
优选地，所述的冰排还包括保护罩，所述壳体位于所述保护罩内，所述保护罩中设有两个连接口，两个所述的连接口分别于介质进口与介质出口连通。通过在壳体外设置了保护罩，而保护罩与壳体之间形成了密闭的空间，然后在该空间内充填相变材料，即壳体外制成另外一个容器用来盛装相变材料，从而形成了蓄冷剂。
进一步作为优选的实施方式，所述壳体1为金属材料，优选地为铝合金材料。壳体采用轻质材料，减少自重。壳体的形状可以可多种多样，具体的，本实施例中的壳体是一个整体呈矩形的箱体，该箱体包括有前端面与后端面，前后端面即为贴有蓄冷剂的外表面，而且在箱体的左右两端的厚度大于箱体的厚度，这样的结构的好处不仅可以 使得左右两端对蓄冷剂进行保护，而且可以提高壳体的整体强度，便于充冷剂充满整个介质流道，结构简单，制造成本低。
以上对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (10)

  1. 一种充冷冰排，其特征在于：包括壳体，所述壳体为中空设置，所述壳体内设有介质流道，所述壳体包括外表面，所述外表面上设有蓄冷剂，所述蓄冷剂与壳体的外表面接触，使得蓄冷剂与壳体能发生热交换，所述壳体上设有介质进口与介质出口，所述介质进口与介质出口均与介质流道连通。
  2. 根据权利要求1所述的充冷冰排，其特征在于：所述壳体上还设有排气口，所述排气口中设有放气阀。
  3. 根据权利要求1所述的充冷冰排，其特征在于：所述介质流道包括流道壁，所述流道壁上设有加强筋。
  4. 根据权利要求1所述的充冷冰排，其特征在于：所述介质流道中还设有导流板，所述导流板设在介质进口与介质出口之间。
  5. 根据权利要求4所述的充冷冰排，其特征在于：所述导流板上设有通孔。
  6. 根据权利要求1所述的充冷冰排，其特征在于：所述介质流道包括拐弯段。
  7. 根据权利要求2所述的充冷冰排，其特征在于：所述介质进口与介质出口均设置于壳体的底部，所述排气口设于壳体的顶部。
  8. 根据权利要求1所述的充冷冰排，其特征在于：所述蓄冷剂包括外包装，所述外包装中填充有相变材料。
  9. 根据权利要求8所述的充冷冰排，其特征在于：还包括保护罩，所述壳体位于所述保护罩内，所述保护罩中设有两个连接口，两 个所述的连接口分别于介质进口与介质出口连通。
  10. 根据权利要求1所述的充冷冰排，其特征在于：所述壳体为金属材料。
PCT/CN2019/104917 2018-09-30 2019-09-09 一种充冷冰排 WO2020063312A1 (zh)

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