CN214199266U - Magnetic field refrigeration heat exchange fluid circulation system - Google Patents

Magnetic field refrigeration heat exchange fluid circulation system Download PDF

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Publication number
CN214199266U
CN214199266U CN202023343566.4U CN202023343566U CN214199266U CN 214199266 U CN214199266 U CN 214199266U CN 202023343566 U CN202023343566 U CN 202023343566U CN 214199266 U CN214199266 U CN 214199266U
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magnetic field
heat exchange
electromagnetic valve
magnetic
solenoid valve
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CN202023343566.4U
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李兆杰
黄焦宏
刘翠兰
张英德
程娟
金培育
王强
戴默涵
郭亚茹
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Baotou Rare Earth Research Institute
Ruike Rare Earth Metallurgy and Functional Materials National Engineering Research Center Co Ltd
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Baotou Rare Earth Research Institute
Ruike Rare Earth Metallurgy and Functional Materials National Engineering Research Center Co Ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The utility model discloses a magnetic field refrigeration heat exchange fluid circulation system, include: the device comprises a magnetic field system, a heat exchanger, a radiator, a water storage tank, an electromagnetic valve and a diaphragm pump; the magnetic field system comprises two groups of parallel combined two-stage magnetic fields, and the electromagnetic valve comprises: the electromagnetic valve comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve and a fifth electromagnetic valve. The utility model discloses reduce thermodynamic cycle process, changed traditional refrigeration mode, improved refrigeration work efficiency greatly.

Description

Magnetic field refrigeration heat exchange fluid circulation system
Technical Field
The utility model belongs to the technical field of room temperature magnetic refrigeration, concretely relates to magnetic field refrigeration heat exchange fluid circulation system.
Background
At present, the traditional compression refrigeration can cause damage to the ozone layer, and can indirectly cause the change of the living environment of human beings. According to the montreal protocol and the kyoto protocol, gas compression refrigeration is required to use a fluorine-free refrigerant, such as R410. Although the new refrigerant no longer has an adverse effect on ozone, the new refrigerant can cause a greenhouse effect and still destroy the natural environment.
In the traditional compressed gas refrigeration, refrigerant is compressed by a compressor in an isentropic manner, then enters a condenser for cooling, enters a throttle valve, finally exits the throttle valve and enters an evaporator, and the refrigerant circularly works according to the principle that four parts of the whole thermodynamic cycle are completed when the refrigerant passes through different mechanical parts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic field refrigeration heat exchange fluid circulation system has reduced the thermodynamic cycle process, has changed traditional refrigeration mode, has improved refrigeration work efficiency greatly.
In order to achieve the above object, the utility model uses the technical solution that:
a magnetic field refrigeration heat exchange fluid circulation system comprising: the device comprises a magnetic field system, a heat exchanger, a radiator, a water storage tank, an electromagnetic valve and a diaphragm pump; the magnetic field system comprises two groups of parallel combined two-stage magnetic fields, and the electromagnetic valve comprises: a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve and a fifth solenoid valve; the first electromagnetic valve and the third electromagnetic valve are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines penetrating through the secondary magnetic field; the second electromagnetic valve and the fourth electromagnetic valve are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines penetrating through the secondary magnetic field; one end of the fifth electromagnetic valve is connected between the second electromagnetic valve and the fourth electromagnetic valve through a heat exchange pipeline, and the other end of the fifth electromagnetic valve is connected with the water storage tank; the inlet of the radiator is connected between the first electromagnetic valve and the third electromagnetic valve through a heat exchange pipeline, and the outlet of the radiator is connected with the water storage tank through the heat exchange pipeline; the outlet of the diaphragm pump is connected between the second electromagnetic valve and the fourth electromagnetic valve through a heat exchange pipeline, and the inlet of the diaphragm pump is connected with the water storage tank through a heat exchange pipeline.
Further, the secondary magnetic field includes: the magnetic yoke steel cylinder comprises a magnetic yoke steel cylinder, an internal magnetic field, an external magnetic field and a magnetic working medium, wherein the magnetic working medium is sleeved at the axis position of the internal magnetic field, the internal magnetic field is sleeved inside the external magnetic field, and the internal magnetic field, the external magnetic field and a magnetic working medium bed for mounting the magnetic working medium are arranged inside the magnetic yoke steel cylinder.
Furthermore, the internal magnetic field, the external magnetic field and the magnetic working medium are positioned on the same axis.
Furthermore, the two heat exchange pipelines are respectively connected with the magnetic work medium beds of the two-stage magnetic fields, and the two magnetic work medium beds are respectively connected with the heat exchanger.
Further, the first electromagnetic valve and the third electromagnetic valve which are connected in series are connected in parallel with the second electromagnetic valve and the fourth electromagnetic valve which are connected in series.
Furthermore, the water storage tank, the heat exchanger and the radiator are provided with temperature sensors, the temperature sensors are connected with the programmable controller through leads, and the control end of the electromagnetic valve is connected with the programmable controller through leads.
Further, the magnetic field system, the electromagnetic valve and the diaphragm pump are powered by an external power supply, the external power supply selects an adjustable direct-current power supply, and the electromagnetic valve selects a direct-conduction electromagnetic valve.
The utility model discloses technical effect includes:
the thermodynamic cycle of room temperature magnetic field refrigeration is completed in the heat accumulator, the refrigerant, namely the magnetic working medium, is not moved, and the thermodynamic cycle can be completed only by the change of the magnetic field intensity, so that the thermal fluid circulation system for magnetic field refrigeration greatly improves the refrigeration working efficiency.
The magnetic field system is formed by combining a left group of secondary magnetic fields and a right group of secondary magnetic fields in parallel, wherein the left magnetic fields and the right magnetic fields are opposite in size and are respectively positioned in a lowest magnetic field and a highest magnetic field. The programmable controller controls the starting and stopping of the diaphragm pump and the opening and closing time of the electromagnetic valve, the circulation of the heat exchange fluid is controlled by five direct-conduction electromagnetic valves positioned at the hot end, the heat exchange fluid is driven by the diaphragm pump to enable the heat exchange fluid in the magnetic working medium on the left side to flow into the hot end radiator through the electromagnetic valve, the heat exchange fluid is driven by the diaphragm pump to enable the heat exchange fluid in the magnetic working medium on the right side to flow into the cold accumulator of the refrigerator through the electromagnetic valve, the temperature of the water storage tank, the temperature of the heat exchanger and the temperature of the cold accumulator are measured through a.
The heat exchange fluid in the water storage tank can absorb the heat which is not timely dissipated by the hot end. Distilled water is used as heat exchange fluid, the specific heat capacity is large, heat exchange is facilitated, the environment is not damaged, the source is wide, and compared with gas compression, the refrigeration cost is very low. The production process is simple.
Drawings
Fig. 1 is a schematic view of the magnetic field refrigeration heat exchange fluid circulation of the left end magnetic medium heating and the right end magnetic medium refrigeration of the utility model;
FIG. 2 is a schematic view of the heat transfer fluid circulating back between the diaphragm pump and the reservoir of the present invention;
fig. 3 is a schematic view of the magnetic field refrigeration heat exchange fluid circulation of the left end magnetic medium refrigeration and the right end magnetic medium heating of the utility model.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
A magnetic field refrigeration heat exchange fluid circulation system comprising: the device comprises a magnetic field system 1, a heat exchanger 2, a radiator 3, a water storage tank 4, an electromagnetic valve 5 and a diaphragm pump 6; the magnetic field system 1, the electromagnetic valve 5 and the diaphragm pump 6 are powered by an external power supply which selects an adjustable direct current power supply.
The magnetic field system 1 comprises two groups of parallel combined secondary magnetic fields, and the secondary magnetic fields comprise: the magnetic yoke steel cylinder 11, an internal magnetic field 12, an external magnetic field 13 and a magnetic working medium (or a magnetic thermal effect material) 14, wherein the magnetic working medium 14 is sleeved at the axis position of the internal magnetic field 12, the internal magnetic field 12 is sleeved inside the external magnetic field 13, and the internal magnetic field 12, the external magnetic field 13 and a magnetic working medium bed for mounting the magnetic working medium 14 are arranged inside the magnetic yoke steel cylinder 11; the internal magnetic field 12, the external magnetic field 13 and the magnetic medium 14 are located on the same axis.
The two heat exchange pipelines are respectively connected with the magnetic working medium beds of the two-stage magnetic fields, and the two magnetic working medium beds are respectively connected with the heat exchanger 2.
The solenoid valve 5 includes: a first solenoid valve 51, a second solenoid valve 52, a third solenoid valve 53, a fourth solenoid valve 54, a fifth solenoid valve 55; the first electromagnetic valve 51 and the third electromagnetic valve 53 are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines penetrating through the secondary magnetic field; the second electromagnetic valve 52 and the fourth electromagnetic valve 54 are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines passing through the secondary magnetic field; one end of the fifth electromagnetic valve 55 is connected between the second electromagnetic valve 52 and the fourth electromagnetic valve 54 through a heat exchange pipeline, and the other end is connected with the water storage tank 4. The first solenoid valve 51 and the third solenoid valve 53 connected in series are connected in parallel with the second solenoid valve 52 and the fourth solenoid valve 54 connected in series. The electromagnetic valve 5 is a direct-conduction electromagnetic valve.
The inlet of the radiator 3 is connected between the first electromagnetic valve 51 and the third electromagnetic valve 53 through a heat exchange pipeline, and the outlet of the radiator 3 is connected with the water storage tank 4 through a heat exchange pipeline.
The outlet of the diaphragm pump 6 is connected between the second electromagnetic valve 52 and the fourth electromagnetic valve 54 through a heat exchange pipeline, and the inlet is connected with the water storage tank 4 through a heat exchange pipeline. The diaphragm pump 6 is used for driving the heat exchange liquid in the heat exchange pipeline to flow, and the heat exchange liquid (water) is filled in the water storage tank 4.
The water storage tank 4, the heat exchanger 2 and the radiator 3 are provided with temperature sensors, and the temperature sensors adopt film platinum resistors.
The start and stop of the diaphragm pump 6 and the opening and closing time of the electromagnetic valve 5 are controlled by a programmable controller, the circulation of the heat exchange fluid is controlled by five electromagnetic valves 5 (direct-conduction electromagnetic valves) positioned at the hot end, and the heat exchange fluid in the magnetic working medium 14 on the left side is driven by the diaphragm pump 6 to flow into the radiator 3 at the hot end through the electromagnetic valves 5; the heat exchange fluid in the right magnetic working medium flows into the heat exchanger 2 at one side of the refrigerator through the electromagnetic valve 5 by the driving of the diaphragm pump 6, the temperatures of the water storage tank 4, the heat exchanger 2 and the radiator 3 are measured through a thermal resistor (a thin film platinum resistor), and the heat exchange circulation is effectively managed by adjusting the opening and closing of the electromagnetic valve 5.
The Programmable Logic Controller (PLC) controls the collection and the memory of data, and the connected touch screen can display the real-time data of an experiment. The time interval of the data acquisition points is set according to experimental requirements, but cannot be less than 1 second. Any value of 1 second or more can be selected according to experiments.
As shown in fig. 1, it is a schematic view of the magnetic field refrigeration heat exchange fluid circulation of the left end magnetic medium 14 of the present invention for heating and the right end magnetic medium 14 for refrigeration.
The left end magnetic working medium 14 is in the constant magnetic field process of a high magnetic field, the temperature of the magnetic working medium 14 is increased, the right end magnetic field is in the constant magnetic field process of a low magnetic field, and the temperature of the internal magnetic working medium 14 is reduced. The programmable controller controls the relative rotation of the internal magnetic field 12 and the external magnetic field 13, so that the magnetic field intensity of the internal magnetic working medium 14 can be adjusted.
The first electromagnetic valve 51 and the fourth electromagnetic valve 14 are opened, the second electromagnetic valve 2, the third electromagnetic valve 53 and the fifth electromagnetic valve 5 are closed, and the heat exchange fluid is driven by the diaphragm pump 6 to enter the magnetic working medium bed on the right side from the first electromagnetic valve 51;
the refrigerant flows through the magnetic working medium 14 for refrigeration, and the cold energy is brought into the heat exchanger 2; the heat exchange fluid from the heat exchanger 2 enters the magnetic working medium bed on the left side, flows through the magnetic working medium 14 for heating, and enters the first electromagnetic valve 51 and the radiator 3 to bring the heat into the radiator 3.
As shown in fig. 2, the heat exchange fluid in the present invention circulates and returns to the diaphragm pump and the reservoir.
And then the internal magnetic field 12 of the right-end secondary magnetic field is controlled to rotate by the motor, the magnetic flux of the magnetic field is gradually increased from the minimum value to the maximum value, and the magnetic flux of the left-end magnetic field is gradually decreased from the maximum value.
The left end magnetic field turns to the lowest magnetic field, the right end magnetic field turns to the highest magnetic field, the heat exchange fluid is required to be immobile in the period, the first electromagnetic valve 51, the fourth electromagnetic valve 54, the second electromagnetic valve 52 and the third electromagnetic valve 53 are required to be closed, and the heat exchange fluid directly passes through the fifth electromagnetic valve 55 and returns to the water storage tank 4 through the diaphragm pump 6.
As shown in fig. 3, it is a schematic view of the magnetic field refrigeration heat exchange fluid circulation of the left end magnetic medium 14 refrigeration and the right end magnetic medium 14 heating of the present invention.
Then the internal magnetic field 12 of the secondary magnetic field is controlled by the motor to rotate, the secondary magnetic field at the left end and the secondary magnetic field at the right end are respectively positioned at the lowest magnetic field and the highest magnetic field,
at this time, the second solenoid valve 52 and the third solenoid valve 53 are opened, and the first solenoid valve 51, the fourth solenoid valve 54, and the fifth solenoid valve 55 are closed.
The left magnetic field turns to a high magnetic field and the right magnetic field turns to a low magnetic field. Thus, the prepared cold energy is ensured to enter the heat exchanger 2 of the cold end refrigerator, and the generated heat enters the radiator 3 at the hot end.
By the three modes of continuous operation, the temperature in the refrigerator is gradually reduced, and the temperature of the hot end is slightly increased. The circulating fluid is distilled water, and the driving force applied to the circulating fluid is provided by a diaphragm pump 6.
The utility model provides a magnetic field refrigeration heat exchange fluid circulation system, 12 rotations through the inside magnetic field of motor control, magnetic medium 14 produces the difference in temperature in alternating magnetic field, start of programmable controller control diaphragm pump 6 stops and solenoid valve switching time, heat transfer fluid's circulation is controlled by five direct conduction formula solenoid valves that are located the hot junction, heat transfer fluid (distilled water) make the heat transfer fluid in the magnetic medium 14 of left side through the drive of diaphragm pump 6 flow in the radiator 3 of hot junction through solenoid valve 5, heat transfer fluid makes the heat transfer fluid in the magnetic medium 14 of right side through the drive of diaphragm pump 6 flow in heat exchanger 2 through solenoid valve 5, measure catch basin 4 through the thermal resistance, the temperature of heat exchanger 3 and heat exchanger 2, magnetic field refrigeration heat exchange fluid circulation, manage thermodynamic cycle system effectively, the refrigeration work efficiency has been improved greatly.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (7)

1. A magnetic field refrigeration heat exchange fluid circulation system, comprising: the device comprises a magnetic field system, a heat exchanger, a radiator, a water storage tank, an electromagnetic valve and a diaphragm pump; the magnetic field system comprises two groups of parallel combined two-stage magnetic fields, and the electromagnetic valve comprises: a first solenoid valve, a second solenoid valve, a third solenoid valve, a fourth solenoid valve and a fifth solenoid valve; the first electromagnetic valve and the third electromagnetic valve are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines penetrating through the secondary magnetic field; the second electromagnetic valve and the fourth electromagnetic valve are connected in series through the heat exchange pipeline and then connected between the two heat exchange pipelines penetrating through the secondary magnetic field; one end of the fifth electromagnetic valve is connected between the second electromagnetic valve and the fourth electromagnetic valve through a heat exchange pipeline, and the other end of the fifth electromagnetic valve is connected with the water storage tank; the inlet of the radiator is connected between the first electromagnetic valve and the third electromagnetic valve through a heat exchange pipeline, and the outlet of the radiator is connected with the water storage tank through the heat exchange pipeline; the outlet of the diaphragm pump is connected between the second electromagnetic valve and the fourth electromagnetic valve through a heat exchange pipeline, and the inlet of the diaphragm pump is connected with the water storage tank through a heat exchange pipeline.
2. The magnetic field refrigeration heat exchange fluid circulation system according to claim 1, wherein the secondary magnetic field comprises: the magnetic yoke steel cylinder comprises a magnetic yoke steel cylinder, an internal magnetic field, an external magnetic field and a magnetic working medium, wherein the magnetic working medium is sleeved at the axis position of the internal magnetic field, the internal magnetic field is sleeved inside the external magnetic field, and the internal magnetic field, the external magnetic field and a magnetic working medium bed for mounting the magnetic working medium are arranged inside the magnetic yoke steel cylinder.
3. The magnetic field refrigeration heat exchange fluid circulation system of claim 2, wherein the internal magnetic field, the external magnetic field, and the magnetic medium are located on the same axis.
4. The magnetic field refrigeration heat exchange fluid circulation system of claim 2, wherein the two heat exchange lines are connected to two magnetic media beds of the secondary magnetic field, respectively, and the two magnetic media beds are connected to the heat exchanger, respectively.
5. The magnetic field refrigeration heat exchange fluid circulation system of claim 1 wherein the first solenoid valve, the third solenoid valve after series connection are in parallel with the second solenoid valve, the fourth solenoid valve after series connection.
6. The magnetic field refrigeration heat exchange fluid circulation system of claim 1, wherein the reservoir, the heat exchanger, and the heat sink are provided with temperature sensors, the temperature sensors are connected to the programmable controller through wires, and the control end of the solenoid valve is connected to the programmable controller through wires.
7. The magnetic field refrigeration heat exchange fluid circulation system of claim 1, wherein the magnetic field system, the solenoid valve, and the diaphragm pump are powered by an external power source, the external power source is an adjustable dc power source, and the solenoid valve is a direct-conduction solenoid valve.
CN202023343566.4U 2020-12-31 2020-12-31 Magnetic field refrigeration heat exchange fluid circulation system Active CN214199266U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629061A (en) * 2020-12-31 2021-04-09 包头稀土研究院 Magnetic field refrigeration heat exchange fluid circulation system and heat circulation method thereof
CN115342548A (en) * 2022-07-26 2022-11-15 包头稀土研究院 High-power magnetic refrigeration device and refrigeration method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629061A (en) * 2020-12-31 2021-04-09 包头稀土研究院 Magnetic field refrigeration heat exchange fluid circulation system and heat circulation method thereof
CN112629061B (en) * 2020-12-31 2024-03-29 包头稀土研究院 Magnetic field refrigeration heat exchange fluid circulation system and heat circulation method thereof
CN115342548A (en) * 2022-07-26 2022-11-15 包头稀土研究院 High-power magnetic refrigeration device and refrigeration method thereof
CN115342548B (en) * 2022-07-26 2024-02-20 包头稀土研究院 High-power magnetic refrigerating device and refrigerating method thereof

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