CN211903443U

CN211903443U - Semiconductor constant-temperature micro-freezing independent chamber of refrigerator

Info

Publication number: CN211903443U
Application number: CN202020362099.0U
Authority: CN
Inventors: 刘宏宇; 尚殿波; 程琳
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-11-10
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a refrigerator semiconductor constant temperature freezes independent room a little relates to refrigerator technical field. The utility model comprises a refrigerator body; the refrigerator body comprises a refrigerating chamber and a refrigerating system; the refrigeration system includes an evaporator; the refrigerator body is provided with an independent chamber; the back wall of the independent compartment is provided with a through rectangular notch; the rectangular notch corresponds to the evaporator; a semiconductor refrigeration assembly is arranged in the rectangular notch; the cold surface of the semiconductor refrigeration component faces one side of the independent compartment. The utility model discloses a set up semiconductor refrigeration subassembly at independent room to with refrigerating system cooperation refrigeration, solved current constant temperature and freeze the cold volume inadequately a little, the undulant big problem of temperature makes the quick refrigeration of realization of independent room through semiconductor refrigeration subassembly cooperation refrigeration, when refrigerating system stopped, can effectually maintain the indoor temperature of independent room simultaneously.

Description

Semiconductor constant-temperature micro-freezing independent chamber of refrigerator

Technical Field

The utility model belongs to the technical field of the refrigerator, especially, relate to a refrigerator semiconductor constant temperature freezes independent room a little.

Background

The food is generally in a proper temperature range, the preservation effect of constant-temperature preservation is optimal, wherein the meat can be preserved and easily cut into blocks under the slightly frozen state of about-3 ℃.

However, in practical situations, the constant-temperature micro-freezing independent compartment and the refrigerating chamber share the refrigerating system, so that the problems of insufficient refrigerating capacity, more temperature return during shutdown and large temperature fluctuation exist during constant-temperature micro-freezing.

The main reasons are that the refrigerating chamber has short refrigerating time and long downtime, so that the meat is difficult to be cooled to about-3 ℃, even if the meat is cooled to about-3 ℃ through a plurality of refrigerating cycles, the temperature fluctuation is large due to the temperature return, and the meat is difficult to be maintained at about-3 ℃ all the time when the refrigerating chamber is shut down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator semiconductor constant temperature freezes independent room a little, through setting up the semiconductor refrigeration subassembly in independent room to with refrigerating system cooperation refrigeration, solved current constant temperature and frozen cold volume a little not enough, the big problem of temperature fluctuation makes the quick refrigeration of realization of independent room through the cooperation refrigeration of semiconductor refrigeration subassembly, when refrigerating system stopped simultaneously, can effectually maintain the indoor temperature of independent room.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a semiconductor constant temperature micro-freezing independent chamber of a refrigerator, which comprises a refrigerator body; the refrigerator body comprises a refrigerating chamber and a refrigerating system; the refrigeration system includes an evaporator;

the refrigerator body is provided with an independent compartment; the back wall of the independent compartment is provided with a through rectangular notch; the rectangular notch corresponds to the evaporator; a semiconductor refrigeration assembly is arranged in the rectangular notch; the cold surface of the semiconductor refrigeration component faces one side of the independent compartment.

Furthermore, the back wall of the independent compartment is provided with an installation notch; the mounting notch is positioned right above the rectangular notch, and a vent hole communicated with the rectangular notch is formed in the bottom surface in the mounting notch;

a fan is arranged in the mounting groove; the ventilation hole is positioned on one side of the semiconductor refrigeration component close to the independent chamber.

Further, a heat-conducting plate is attached to the cold surface of the semiconductor refrigeration assembly; fins are uniformly distributed on the side surface of the heat conducting plate; the fins are vertically arranged and are wavy.

A control method for a semiconductor constant-temperature micro-freezing independent chamber of a refrigerator comprises the following steps:

the method comprises the following steps: detecting whether the independent chamber reaches a refrigeration starting point or not and needs refrigeration; if yes, executing the step two; if not, repeating the step one;

step two: detecting whether the refrigerating chamber reaches a refrigerating starting point or not and needs to be refrigerated; if yes, executing the third step; if not, executing the fourth step;

step three: detecting whether the temperature in the independent chamber is higher than the temperature of a refrigerating start point of the refrigerating chamber or not, wherein the difference is T;

if yes, the refrigeration system and the semiconductor refrigeration assembly start refrigeration at the same time; if not, the refrigeration system starts refrigeration, and the semiconductor refrigeration assembly is not started;

step four: the semiconductor refrigeration assembly starts refrigeration, and the refrigeration system is not started.

Furthermore, when the semiconductor refrigeration assembly in the third step and the fourth step starts refrigeration, the fan is started synchronously.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up semiconductor refrigeration subassembly, when independent compartment and walk-in difference in temperature are great, can cooperate refrigerating system to refrigerate in step, increase the refrigeration effect to independent compartment, can appear single start refrigeration volume when avoiding carrying out the constant temperature and slightly freezing when, the more condition of rewarming takes place when shutting down.

2. The utility model discloses a set up semiconductor refrigeration subassembly, can independently refrigerate for independent room after refrigerating system shuts down to the constant temperature effect of independent room is improved to the temperature return of the independent room of effectual reduction.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a semiconductor constant temperature and micro-freezing independent chamber of a refrigerator according to the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1;

FIG. 3 is a flow chart of a control method for a semiconductor constant temperature and micro-freezing independent chamber of a refrigerator according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-refrigerator body, 2-refrigerating chamber, 3-evaporator, 4-independent chamber, 5-semiconductor refrigerating component, 6-fan, 401-rectangular notch, 402-mounting notch, 403-vent, 501-heat conducting plate and 502-fin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the utility model relates to a semiconductor constant temperature micro-freezing independent chamber of a refrigerator, which comprises a refrigerator body 1; the refrigerator body 1 comprises a refrigerating chamber 2 and a refrigerating system; the refrigeration system comprises an evaporator 3;

the refrigerator body 1 is provided with an independent compartment 4; the independent compartment 4 and the refrigerating chamber 2 share the same refrigerating system and are communicated with the evaporator 3 through an air duct.

The back wall of the independent compartment 4 is provided with a through rectangular notch 401; the rectangular notch 401 corresponds to the evaporator 3 in position; a semiconductor refrigeration component 5 is arranged in the rectangular notch 401; the cold side of the semiconductor refrigeration unit 5 faces the side of the separate compartment 4.

Preferably, the back wall of the independent compartment 4 is provided with a mounting notch 402; the mounting notch 402 is positioned right above the rectangular notch 401, and a vent hole 403 communicated with the rectangular notch 401 is formed in the inner bottom surface of the mounting notch 402;

a fan 6 is installed in the installation notch 402; the ventilation hole 403 is located on the side of the semiconductor refrigeration unit 5 close to the individual compartment 4.

Meanwhile, the cold surface of the semiconductor refrigeration component 5 is covered with a heat conducting plate 501, and the heat conducting plate 501 can be an aluminum plate; fins 502 are uniformly distributed on the side surface of the heat conducting plate 501; the fins 502 are vertically arranged and are wavy, and the contact area between the fins and air can be effectively increased due to the wavy shape.

When the semiconductor refrigeration assembly 5 is used for refrigerating, the fan 6 is started to draw air inside the independent compartment 4 into the mounting notch 402 and pass through the surface of the fin 502 through the vent 403, so that the refrigerating effect of the semiconductor refrigeration assembly 5 on the compartment is improved.

the method comprises the following steps: detecting whether the independent compartment 4 reaches a refrigeration starting point and needs refrigeration; if yes, executing the step two; if not, repeating the step one, and carrying out timing detection on the temperature in the independent chamber 4;

step two: detecting whether the refrigerating chamber 2 reaches a refrigerating starting point and needs to be refrigerated; if yes, executing the third step; if not, executing the fourth step;

step three: detecting whether the temperature in the independent compartment 4 is higher than the temperature of the refrigerating start point of the refrigerating compartment 2 or not, wherein the difference is T; the value of T is 5-10 ℃;

if so, the temperature in the independent compartment 4 is higher, and rapid refrigeration is needed, the refrigeration system and the semiconductor refrigeration component 5 are started to refrigerate at the same time, and meanwhile, the fan 6 and the semiconductor refrigeration component 5 are started synchronously, so that the circulation effect of the internal air is improved, and the refrigeration effect is accelerated;

if not, the temperature in the independent compartment 4 is close to the temperature in the refrigerating chamber 2, the temperature set value can be reached by starting refrigeration through the refrigeration system, and the semiconductor refrigeration assembly 5 does not need to be started;

step four: under the condition that the independent chamber 4 needs to be refrigerated and the refrigerating chamber 2 does not need to be refrigerated, the semiconductor refrigerating assembly 5 starts refrigeration and is matched with the fan 6 to assist internal air circulation, so that the refrigerating effect is improved, and the constant temperature inside the independent chamber 4 is realized and maintained through the semiconductor refrigerating assembly 5; and the refrigeration system does not need to be started at this time. After the temperature reaches the shutdown point, the semiconductor refrigeration assembly 5 stops operating.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A semiconductor constant-temperature micro-freezing independent chamber of a refrigerator comprises a refrigerator body (1); the refrigerator body (1) comprises a refrigerating chamber (2) and a refrigerating system; the refrigeration system comprises an evaporator (3); the method is characterized in that:

the refrigerator body (1) is provided with an independent compartment (4); the back wall of the independent compartment (4) is provided with a through rectangular notch (401); the rectangular notch (401) corresponds to the evaporator (3); a semiconductor refrigeration assembly (5) is arranged in the rectangular notch (401);

the cold surface of the semiconductor refrigeration component (5) faces one side of the independent compartment (4).

2. The semiconductor constant-temperature micro-freezing independent chamber of the refrigerator as claimed in claim 1, wherein the back wall of the independent chamber (4) is provided with a mounting notch (402); the mounting notch (402) is positioned right above the rectangular notch (401), and a vent hole (403) communicated with the rectangular notch (401) is formed in the inner bottom surface of the mounting notch (402);

a fan (6) is arranged in the mounting notch (402); the ventilation hole (403) is positioned on one side of the semiconductor refrigeration component (5) close to the independent compartment (4).

3. A semiconductor constant-temperature micro-freezing independent chamber of a refrigerator according to claim 1 or 2, characterized in that a heat-conducting plate (501) is pasted on the cold surface of the semiconductor refrigerating component (5); fins (502) are uniformly distributed on the side surface of the heat conducting plate (501); the fins (502) are vertically arranged and are wavy.