CN211041473U - Reciprocating type magnetic refrigeration mechanism - Google Patents

Abstract

The utility model belongs to the technical field of magnetic refrigeration, and discloses a reciprocating magnetic refrigeration mechanism. , the box body is divided into upper and lower regions, the magnetic refrigeration generating assembly is located in the lower region of the box body, the cooling assembly is located in the upper region of the box body, and the magnetic refrigeration generating assembly and the The cooling component transmits heat through cooling pipes; a magnetic refrigeration generating component is installed, a waist-shaped ring frame is fixed on the support rod away from the bottom of the box, and a magnetic conductor is fixed between the two waist-shaped ring frames. Several, the upper ends of the two waist-shaped ring frames are fixed with a magnetic refrigeration bed, and the waist-shaped ring frame is driven by the driving element to rotate, which can continuously stimulate the excitation and demagnetization process of the magnetic refrigeration bed, and the refrigeration efficiency is greatly improved.

Description

A reciprocating magnetic refrigeration mechanism

technical field

The utility model belongs to the technical field of magnetic refrigeration, in particular to a reciprocating magnetic refrigeration mechanism.

Background technique

The magnetocaloric effect is a property of the material to absorb and release heat due to the change of the internal magnetic entropy during the magnetization and demagnetization process of the magnetic material. It is an inherent characteristic of the material. A new technology with environmental protection and energy saving, and the magnetic refrigeration equipment uses the magnetocaloric effect for refrigeration.

At present, the magnetic refrigeration equipment usually includes a hot end radiator, a cold end radiator, a heat exchange liquid driving pump and a magnetic refrigeration component, while the magnetic refrigeration component includes a magnetic field system and a magnetic refrigeration bed. The system excites and demagnetizes the magnetic refrigeration bed to realize the cooling and heating of the magnetic working medium in the magnetic refrigeration bed. According to the specific operation forms of excitation and demagnetization, magnetic refrigeration components are divided into: rotary magnetic refrigeration components and reciprocating magnetic refrigeration components. For reciprocating magnetic refrigeration components, the magnetic field system or magnetic refrigeration bed is driven by electrical equipment to reciprocate during the working process to realize the excitation and demagnetization of the magnetic working medium, and the magnetic working medium will undergo two processes of heat absorption and heat release. The reciprocating magnetic refrigeration components in the prior art usually use a magnetic field system to perform excitation and demagnetization corresponding to a magnetic working medium bed, and during the change period of the magnetic field system, the magnetic working medium bed will perform two processes of cooling and heating, that is to say , only half of the time is used for refrigeration, resulting in low refrigeration efficiency of the reciprocating magnetic refrigeration components in the prior art.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a reciprocating magnetic refrigeration mechanism.

The utility model is realized in this way, a reciprocating magnetic refrigeration mechanism includes a box body, a magnetic refrigeration generating component inside the box body, and a cooling component at the upper end of the magnetic refrigeration generating component, a partition plate is fixed in the middle of the box body, and the The box is divided into upper and lower regions, the magnetic refrigeration generating component is located in the area below the box, the cooling component is located in the area above the box, and the magnetic refrigeration generating component and the cooling component are cooled by Pipes transfer heat.

As a preferred technical solution of the reciprocating magnetic refrigeration mechanism of the present invention, the magnetic refrigeration generating assembly includes a support rod fixed on the bottom of the box body, and a waist-shaped ring frame is fixed on the support rod away from the bottom of the box body, and two A magnetic conductor is fixed between each of the waist-shaped ring frames. The magnetic conductors are arranged at equal distances along the waist-shaped ring frame. Magnetic refrigeration beds are fixed at the upper ends of the two waist-shaped ring frames. The drive is fixed.

As a preferred technical solution of the reciprocating magnetic refrigeration mechanism of the present invention, the driving member comprises a rotating roller fixed inside the waist-shaped ring frame, and a connecting shaft is rotatably connected inside the two opposite rotating rollers, wherein One end of the connecting shaft is fixed with a motor, and the motor is fixed inside the box.

As a preferred technical solution of a reciprocating magnetic refrigeration mechanism of the present invention, the cooling assembly includes the cooling pipe, the cooling pipe is annular, and the end away from the magnetic refrigeration generating assembly is located at the upper end of the partition plate, and the cooling pipe is annular. There are condensers on both sides of the cooling pipe, and the condenser is far from the end of the cooling pipe is fixed with a regulating member, the distance between the condenser and the cooling pipe can be adjusted, the condenser is electrically connected with a temperature sensor, and one end of the temperature sensor is It is fixed on the inner wall of the box, and the induction end faces the cooling pipe.

As a preferred technical solution of a reciprocating magnetic refrigeration mechanism of the present invention, the temperature sensor is connected to a controller, the controller is respectively connected to the motor, the adjusting member and the power supply, and the temperature sensor is connected to the power supply.

As a preferred technical solution of the reciprocating magnetic refrigeration mechanism of the present invention, the adjusting member includes a guide rail fixed on the inner wall of the box, the guide rail is provided with a chute, and the inside of the chute is slidably connected with a connecting rod , the condenser is fixed between the two connecting rods, a cylinder is fixed at one end of the condenser, and the cylinder is connected with the controller. As a preferred technical solution of the reciprocating magnetic refrigeration mechanism of the present invention, through grooves are provided on both sides of the box body, the through grooves are located in the area below the partition plate, and a plurality of horizontally arranged horizontal grooves are fixed inside the through grooves. rod.

The controller includes a CPU or an MCU.

The power source is commercial power.

The cylinder includes a telescopic cylinder.

The advantages and positive effects of the present utility model are:

(1) In this utility model, a magnetic refrigeration generating assembly is provided, including a support rod fixed at the bottom of the box body, a waist-shaped ring frame is fixed on the support rod away from the bottom of the box body, and a magnetic conductor is fixed between the two waist-shaped ring frames to guide the The magnets are arranged equidistantly along the waist-shaped ring frame. The upper ends of the two waist-shaped ring frames are fixed with a magnetic refrigeration bed. The waist-shaped ring frame is driven by a driving element to rotate, and the excitation and demagnetization process of the magnetic refrigeration bed can be continuously excited and cooled. Efficiency is greatly improved.

(2) In this utility model, a cooling assembly is provided including the cooling pipe, condensers are arranged on both sides of the cooling pipe, and an adjusting member is fixed at the end of the condenser away from the cooling pipe, so that the distance between the condenser and the cooling pipe can be adjusted to prevent condensation. The condenser is electrically connected with a temperature sensor. One end of the temperature sensor is fixed on the inner wall of the box, and the sensing end faces the cooling pipe. The distance between the condenser and the cooling pipe can be adjusted by the adjusting member. At the same time, the temperature of the cooling pipe is sensed by the temperature sensor to control the condenser. distance, effectively saving energy.

Description of drawings

1 is a schematic structural diagram provided by an embodiment of the present invention;

2 is a schematic structural diagram of a magnetic refrigeration generating assembly provided by an embodiment of the present invention;

3 is a schematic structural diagram of a cooling assembly provided by an embodiment of the present invention;

In the figure: 1. Box body; 2. Magnetic refrigeration generator assembly; 21. Support rod; 22. Waist ring frame; 23. Magnetic conductor; 24. Magnetic refrigeration bed; connecting shaft; 253, motor; 3, cooling assembly; 31, cooling pipe; 32, condenser; 33, regulating part; 331, guide rail; 332, chute; 333, connecting rod; 334, cylinder; 34, temperature sensor; 4. Partition plate; 5. Through groove; 6. Cross bar.

Detailed ways

In order to further understand the inventive content, features and effects of the present utility model, the following embodiments are exemplified and described in detail with the accompanying drawings as follows.

The structure of the present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 to FIG. 3 , the reciprocating magnetic refrigeration mechanism provided in this embodiment includes a box body 1 , a magnetic refrigeration generating component 2 inside the box body 1 , and a cooling component 3 on the upper end of the magnetic refrigeration generating component 2 . The box body 1. A partition plate 4 is fixed in the middle. The partition plate 4 divides the box body 1 into upper and lower regions. The magnetic refrigeration generator assembly 2 is located in the area below the box body 1. The cooling component 3 is located in the box. In the area above the body 1 , the magnetic refrigeration generating assembly 2 and the cooling assembly 3 transfer heat through a cooling pipe 31 .

Specifically, the magnetic refrigeration generating assembly 2 includes support rods 21 fixed at the bottom of the box body 1 . There are four support rods 21 along the bottom of the box body 1 . The ring frame 22, the two support rods 21 in the left and right directions constitute a group, a waist-shaped ring frame 22 is connected between the two support rods 21 in each group, and the two waist-shaped ring frames 22 pass through the rubber The magnet conductors 23 are connected and fixed, and the magnet conductors 23 are arranged at equal distances along the waist-shaped ring frame 22. The upper ends of the two waist-shaped ring frames 22 are fixed with a magnetic refrigeration bed 24, and the waist-shaped ring frame 22 is fixed with a Drive 25.

Specifically, the driving member 25 includes a rotating roller 251 fixed inside the waist ring frame 22, and two opposite rotating rollers 251 are rotatably connected with connecting shafts 252 (that is, the same side, the left side or the right side) One of the connecting shafts 252 is rotatably connected inside the two rotating rollers 251 , one end of one of the connecting shafts 252 is fixed with a motor 253 , and the motor 253 is fixed inside the box body 1 .

Specifically, the cooling assembly 3 includes the cooling pipe 31, the cooling pipe 31 is annular, the end away from the magnetic refrigeration generating assembly 2 is fixed inside the partition plate 4, and the lower end of the cooling pipe 31 is located on the upper side of the magnetic refrigeration bed , condensers 32 are provided on both sides of the cooling pipe 31, and an adjusting member 33 is fixed at the end of the condenser 32 away from the cooling pipe 31, and the distance between the condenser 32 and the cooling pipe 31 can be adjusted, and the condenser 32 is electrically connected. There is a temperature sensor 34, one end of the temperature sensor 34 is fixed on the inner wall of the box 1, the sensing end faces the cooling pipe 31, and the temperature sensor 34 is connected to a controller; the controller is a CPU or an MCU.

Specifically, the adjusting member 33 includes two parallel guide rails 331 fixed on the inner wall of the box body 1 . The two guide rails 331 are provided with a chute 332 inside, and a connecting rod 333 is slidably connected inside the chute 332 . The condenser 32 is fixed between the rods 333 , a cylinder 334 is fixed at one end of the condenser 32 , the cylinder is a telescopic cylinder, and the telescopic head of the telescopic cylinder is connected to the condenser 32 .

Specifically, two sides of the box body 1 are provided with through grooves 5, the through grooves 5 are located in the area below the partition plate 4, and a number of equidistant cross bars 6 are fixed inside the through groove 5, and a plurality of cross bars 6 form a heat dissipation network , so that the motor 253 dissipates heat.

The box body 1 is provided with a power interface, the power interface is connected with the power cord, the power cord is connected with the power supply, and the power supply is commercial power.

The working principle of the present utility model: when in use, by turning on the motor 253, the waist-shaped ring frame 22 is driven to rotate, and during the rotation of the waist-shaped ring frame 22, the magnet conducting body 23 is driven to rotate. During the rotation, a plurality of magnet conductors 23 correspond to one magnetic refrigeration bed 24, and each magnet conductor 23 can be perfectly connected, so that the excitation and demagnetization processes of the magnetic refrigeration bed 24 are continuous. The temperature sensor 34 on one side senses the temperature of the cooling pipe 31. When the temperature is high, the temperature sensor activates an electrical signal to conduct the electrical signal to the controller, and the controller controls the condenser 32 and the cylinder 334, drives the cylinder 334 to work, and then controls and drives the condenser 32. Moves inside the chute 332, moves toward the cooling pipe 31, cools the cooling pipe 31, and works simultaneously with the magnetic refrigeration bed 24. When the temperature is low, the driving cylinder 334 drives the condenser 32 away from the cooling pipe 31 along the chute 332. end mobile.

The above is only the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any form. Any simple modifications made to the above embodiments according to the technical essence of the present utility model are equivalent to changes and modifications. All belong to the scope of the technical solution of the present invention.

Claims (6)

1. A reciprocating magnetic refrigeration mechanism, characterized in that it comprises a box (1), a magnetic refrigeration generating assembly (2) inside the box (1), and a cooling assembly (3) at the upper end of the magnetic refrigeration generating assembly (2). , a partition plate (4) is fixed in the middle of the box body (1), which divides the box body (1) into upper and lower regions, and the magnetic refrigeration generating assembly (2) is located under the box body (1) area, the cooling assembly (3) is located in the area above the box body (1), and the magnetic refrigeration generating assembly (2) and the cooling assembly (3) transfer heat through a cooling pipe (31); The magnetic refrigeration generating assembly (2) includes a support rod (21) fixed on the bottom of the box body (1), and four support rods (21) are arranged along the bottom of the box body (1). A waist-shaped ring frame (22) is fixed away from the bottom of the box body (1), and a waist-shaped ring frame (22) is connected between the two support rods (21) of each group. A magnet conductor (23) is fixed between (22), the magnet conductors (23) are arranged at equal distances along the waist-shaped ring frame (22), and a magnetic refrigeration bed is fixed on the upper end of the two waist-shaped ring frames (22). (24), a driving member (25) is fixed inside the waist-shaped ring frame (22); The driving member (25) includes a rotating roller (251) fixed inside the waist-shaped ring frame (22), two opposite rotating rollers (251) are rotatably connected with connecting shafts (252) inside, one of which is A motor (253) is fixed at one end of the connecting shaft (252), and the motor (253) is fixed inside the box body (1); The cooling assembly (3) includes the cooling pipe (31), the cooling pipe (31) is annular, and the end away from the magnetic refrigeration generating assembly (2) is fixed inside the partition plate (4). (31) The lower end is located on the upper side of the magnetic refrigeration bed (24), condensers (32) are provided on both sides of the cooling pipe (31), and the condenser (32) is fixed with a regulator at the end of the condenser (32) away from the cooling pipe (31). A component (33) is used to adjust the distance between the condenser (32) and the cooling pipe (31). The condenser (32) is electrically connected with a temperature sensor (34), and one end of the temperature sensor (34) is fixed on the On the inner wall of the box body (1), the sensing end faces the cooling pipe (31); the temperature sensor (34) is connected to a controller, and the controller is respectively connected to the motor (253), the regulator (33) and the The power supply is connected, and the temperature sensor (34) is connected with the power supply. 2 . The reciprocating magnetic refrigeration mechanism according to claim 1 , wherein the adjusting member ( 33 ) comprises a guide rail ( 331 ) fixed on the inner wall of the box body ( 1 ), and the guide rail ( 331 ) is provided with a guide rail ( 331 ). 3 . A chute (332), a connecting rod (333) is slidably connected inside the chute (332), the condenser (32) is fixed between the two connecting rods (333), and the condenser (32) ) is fixed with a cylinder (334) at one end, and the cylinder (334) is connected with the controller. 3. The reciprocating magnetic refrigeration mechanism according to claim 1, wherein through grooves (5) are provided on both sides of the box body (1), and the through grooves (5) are located on the partition plate (4) In the lower area, a plurality of horizontal bars (6) arranged at equal distances are fixed inside the through groove (5). 4. The reciprocating magnetic refrigeration mechanism according to claim 1, wherein the controller comprises a CPU or an MCU. 5 . The reciprocating magnetic refrigeration mechanism according to claim 1 , wherein the power source is commercial power. 6 . 6. The reciprocating magnetic refrigeration mechanism according to claim 2, wherein the cylinder (334) comprises a telescopic cylinder.

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