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Medical freezer

A medical freezer and cabinet technology, applied in the field of medical freezers, can solve problems such as cost increase, quality failure, safety hazards, etc., and achieve the effect of high temperature consistency and good heat exchange effect.

Inactive Publication Date: 2017-12-15
QINGDAO HAIER BIOMEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problems of increasing the temperature uniformity in the cabinet and adding heating wires to the existing medical refrigerators by adding air ducts, the present invention proposes a medical refrigerator that can solve the above problems

Method used

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Embodiment 1

[0028] Embodiment 1. This embodiment proposes a medical refrigerator, such as figure 1 As shown, it includes a cabinet body 11 and a door body (not shown in the figure) connected with the front end surface of the cabinet body 11 through a hinge, figure 1 The direction pointed to by middle A is the side where the door is located. In this embodiment, the "front", "rear", "left", and "right" mentioned in this embodiment all refer to the normal state of the refrigerator as an example. The side is the front side, the side opposite to the door is the back side, the left side of the cabinet is the left side, and the right side of the cabinet is the right side, such as figure 1 , Figure 7 As shown, the cabinet 11 is fixedly provided with an evaporator cover 12. The front and rear direction of the evaporator cover 12 is opposite to the front and rear direction of the freezer, that is, the front end of the evaporator cover 12 faces the rear end of the cabinet. The rear end faces the fron...

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Abstract

The invention discloses a medical freezer. The medical freezer comprises a freezer body. The freezer body is internally and fixedly provided with an evaporator cover. A heat exchanging cavity is defined by the evaporator cover and the top of the freezer body. An air outlet and an air returning opening are formed in the heat exchanging cavity. The heat exchanging cavity is internally provided with an evaporating fan and an evaporator. The evaporator comprises a refrigerant pipe and a plurality of side-by-side-arranged heat dissipating sheets. A gap between the front end part of the evaporator cover and a rear back plate of the freezer body forms an air outlet. The evaporator is arranged at the position close to the air outlet. The evaporating fan is arranged in the air returning opening. The refrigerant pipe comprises a plurality of U-shaped pipes fixed on the heat dissipating sheets. Every two adjacent U-shaped pipes are connected through a bent head. The heat dissipating sheets are arranged vertically in the direction of airflow. According to the medical freezer, the flowing direction of a refrigerant and the airflow direction are opposite to form reverse-flow heat exchanging, the heat exchanging effect is good, the consistency of distribution of temperature of the section of the air outlet is high, and the temperature in the freezer body is even.

Description

Technical field [0001] The present invention relates to the technical field of refrigerators, in particular to a medical refrigerator. Background technique [0002] Medical refrigerators are products used to store medicines, blood, vaccines, and biological samples. The field of use of medical refrigerators determines that they should have higher temperature performance and reliability than ordinary refrigerators and freezers. [0003] The general practice of the current medical refrigerator is to change the air duct structure, increase the number of fans or increase the air volume of the fans to improve the uniformity of the temperature in the box; by adding heating wires to the evaporator to prevent the evaporator from freezing. Disadvantages of existing technology: [0004] 1. Existing medical refrigerators improve the temperature uniformity in the box by adding air ducts, which increases material and labor costs, and the existence of air ducts reduces the effective volume in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D11/00F25D17/06F25D23/00
CPCF25D11/00F25D17/067F25D23/00
Inventor 刘占杰高霞张国帆张晓菲巩燚刘吉元杨波
Owner QINGDAO HAIER BIOMEDICAL CO LTD