CN211177505U - High-efficiency heat dissipation system for magnetic refrigerator - Google Patents
High-efficiency heat dissipation system for magnetic refrigerator Download PDFInfo
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- CN211177505U CN211177505U CN201921495268.1U CN201921495268U CN211177505U CN 211177505 U CN211177505 U CN 211177505U CN 201921495268 U CN201921495268 U CN 201921495268U CN 211177505 U CN211177505 U CN 211177505U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The utility model discloses a magnetic refrigerator is with high-efficient cooling system, include: the device comprises a radiator, a fan, a mist spraying device, a water pump, a water accumulator, a first electromagnetic valve, a liquid level sensor, a collecting device and a controller; the radiator is provided with a radiator frame, the upper and lower groups of fans are arranged on the radiator frame, and the radiator is provided with a temperature sensor; the mist spraying device is connected with the water accumulator through a pipeline, and is fixed on the heat radiator frame and positioned between the fan and the radiator; the water pump and the first electromagnetic valve are arranged on a pipeline between the mist spraying device and the water accumulator, and the water accumulator is provided with a liquid level sensor; the water pump and the first electromagnetic valve are respectively connected with an external power supply through wires, and the control end of the water pump and the first electromagnetic valve, and the liquid level sensor are respectively connected with the controller through signal wires. The utility model discloses an air-cooled adds water-cooled radiating mode, greatly increased the heat-sinking capability of radiator, reduced the temperature of the heat exchange liquid that gets into magnetic medium material.
Description
Technical Field
The utility model relates to a magnetic refrigeration technique specifically says so, relates to a high-efficient cooling system is used to magnetic refrigerator.
Background
The heat dissipation technology is an important aspect of improving the magnetic refrigeration performance, and the good heat dissipation performance can reduce the temperature of heat exchange liquid entering a refrigeration bed, improve the performance of the refrigerating machine and widen the temperature span of the refrigerating machine.
At present, the heat dissipation system of the magnetic refrigerator is basically of an air cooling type, namely a fan is arranged on a radiator. The heat exchange fluid flowing out of the hot end flows into the radiator and radiates under the action of the fan. The heat dissipation mode is relatively simple, but has a great problem that when the refrigerator runs for a period of time, the water temperature gradually rises, the water temperature is difficult to reduce by pure air cooling heat dissipation, so that the water temperature entering the refrigerating bed is obviously higher and even higher than the Curie temperature of the magnetic working medium material, which is extremely unfavorable for the refrigeration of the refrigerator, part of cold energy generated by the demagnetization of the refrigerator is neutralized, so that the temperature span of the refrigerator is difficult to expand, the refrigerating capacity is obviously reduced, and even the cold end and the cold room temperature have the possibility of small rebound.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem that solve provides a magnetic refrigerator is with high-efficient cooling system adopts air-cooled water-cooling's radiating mode, greatly increased the heat-sinking capability of radiator, reduced the temperature of the heat exchange liquid that gets into magnetic medium material, widened magnetic refrigerator's refrigeration temperature and strided.
The technical scheme is as follows:
an efficient heat dissipation system for a magnetic refrigerator, comprising: the device comprises a radiator, a fan, a mist spraying device, a water pump, a water accumulator, a first electromagnetic valve, a liquid level sensor, a collecting device and a controller; the radiator is provided with a radiator frame, the upper and lower groups of fans are arranged on the radiator frame, and the radiator is provided with a temperature sensor; the mist spraying device is connected with the water storage device through a pipeline, is used for atomizing water and spraying the water onto the radiator, and is fixed on the heat radiator frame and positioned between the fan and the radiator; the water pump and the first electromagnetic valve are arranged on a pipeline between the mist spraying device and the water accumulator, and the water accumulator is provided with a liquid level sensor; the water pump and the first electromagnetic valve are respectively connected with an external power supply through wires, and the water pump, the control end of the first electromagnetic valve and the liquid level sensor are respectively connected with the controller through signal wires; the controller is used for controlling the opening or closing of the water pump, the first electromagnetic valve or the second electromagnetic valve.
Furthermore, the collecting device is fixed on the heat radiator frame, and the fan and the collecting device are respectively positioned at two sides of the heat radiator; the collecting device is connected with the water storage device through a pipeline, and the second electromagnetic valve is arranged on the pipeline between the collecting device and the water storage device; the collecting device is provided with a liquid level sensor, and the liquid level sensor is used for detecting liquid level information of the collecting device and transmitting the liquid level information to the controller; the second electromagnetic valve is connected with an external power supply through a lead, and the control end of the second electromagnetic valve is connected with the controller through a signal wire.
Further, the temperature sensor sends a temperature signal to the controller, and when the temperature of the radiator is higher than a set value, the controller sends a control signal and opens the first electromagnetic valve to start the water pump.
Furthermore, the radiator is a tube sheet type or tube belt type radiator, and the material is copper.
Furthermore, the position of a liquid level sensor of the water storage device is higher than the water outlet of the water storage device, and the liquid level sensor of the collecting device is close to the top of the collecting device.
The utility model discloses technical effect includes:
the utility model discloses an air-cooled adds water-cooled radiating mode, greatly increased the heat-sinking capability of radiator, can spill the heat that the magnetic refrigerator hot junction produced rapidly, guarantee magnetic refrigeration material work in best warm area, reduced the temperature of the heat exchange liquid that gets into magnetic working medium material, widened magnetic refrigerator's refrigeration temperature and striden, improved the refrigeration effect.
Drawings
Fig. 1 is a schematic structural diagram of the efficient heat dissipation system for the middle magnetic refrigerator of the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
Through analysis, the reduction of the temperature of the radiator is a key factor for ensuring the normal performance of the refrigerating capacity, and is an effective way for expanding the refrigerating temperature span and improving the refrigerating capacity. The utility model discloses aim at solving the problem that the radiator temperature is difficult to reduce, adopt the method that air-cooled and water-cooled combined together, can greatly reduce the radiator temperature, improve refrigeration effect.
As shown in fig. 1, it is a schematic structural diagram of the efficient heat dissipation system for the middle magnetic refrigerator of the present invention.
High-efficient cooling system is used to magnetic refrigerator, the structure includes: the device comprises a radiator 1, a fan 2, a mist spraying device 3, a water pump 4, a water accumulator 5, a first electromagnetic valve 6, a liquid level sensor 7, a collecting device 8, a second electromagnetic valve 9 and a controller 10.
The radiator 1 is provided with a radiator frame 11, the fans 2 are divided into an upper group and a lower group, and the upper group and the lower group of the fans 2 are arranged on the radiator frame 11. The radiator 1 is a tube-fin type or tube-strip type radiator, and the material of the tube-fin type or tube-strip type radiator is aluminum or copper; the radiator frame 11 is used for supporting and connecting the upper and lower layers of fans 2. The heat sink 1 is provided with a temperature sensor.
The mist spraying device 3 is fixed on the heat radiator frame 11 and is positioned between the fan 2 and the radiator 1, and the mist spraying device 3 is connected with the water storage device 5 through a pipeline and is used for atomizing and spraying water onto the radiator 1. The number of the spray devices 3 is 3-5, and the spray devices are welded on the radiator frame 11 and are arranged at a position slightly higher than the center of the fan 2.
The water pump 4 and the first electromagnetic valve 6 are arranged on a pipeline between the mist spraying device 3 and the water storage device 5. The water reservoir 5 serves as water storage. The water pump 4 is used for pumping the water in the water storage device 5 to the spray device 3 for spraying and radiating; the first electromagnetic valve 6 opens or closes the pipeline between the mist spraying device 3 and the water storage device 5 at proper time to control the flow direction and flow rate of water. The water pump 4 may be a small flow low pressure positive displacement pump or a vane pump.
The collecting device 8 is fixed on the heat radiator frame 11, and the fan 2 and the collecting device 8 are respectively positioned at two sides of the heat radiator 1. The collecting device 8 is used for collecting water drops which do not stay on the surface of the radiator 1 after spraying so as to recycle water resources, the collecting device 8 is connected with the water storage device 5 through a pipeline, and the second electromagnetic valve 9 is arranged on the pipeline between the collecting device 8 and the water storage device 5. The second electromagnetic valve 9 opens or closes the pipeline between the collecting device 8 and the water storage device 5 at the right moment, and controls the flow direction and the flow rate of water.
The collecting device 8 and the water storage device 5 are respectively provided with a liquid level sensor 7, the liquid level sensor 7 is used for sensing the liquid level information of the collecting device 8 and the water storage device 5 and transmitting the liquid level information to the controller 10, and the controller 10 sends out an alarm signal when the liquid level of the water storage device 5 is lower than a set value. The liquid level sensor of the water storage device 5 is a certain distance away from the bottom of the water storage device, and the position of the sensor is slightly higher than the water outlet of the water storage device 5. The level sensor 7 of the collecting device 8 is at a distance from its top.
The water pump 4, the first electromagnetic valve 6 and the second electromagnetic valve 9 are respectively connected with an external power supply through leads, and the control ends of the water pump 4, the first electromagnetic valve 6 and the second electromagnetic valve 9 and the liquid level sensor 7 are respectively connected with the controller 10 through signal wires.
The controller 10 is used for controlling the opening or closing of the water pump 4, the first electromagnetic valve 6 or the second electromagnetic valve 9, the temperature sensor sends a temperature signal to the controller 10, and when the temperature of the radiator 1 is higher than a set value Tc, the controller 10 sends a control signal and opens the first electromagnetic valve 6 to open the water pump 4. When the temperature of the radiator 1 is lower than the set value Tc, the radiator 1 radiates heat only by the fan 2.
When the liquid level sensor 7 of the collecting device 8 detects a liquid level signal, the liquid level signal is sent to the controller 10, the controller 10 sends a control signal and opens the second electromagnetic valve 9, and water is supplied to the mist spraying device 3 through the collecting device 8. When the controller 10 detects that the liquid level sensor 7 of the water reservoir 5 loses the liquid level signal, an alarm is given, and the water reservoir 5 needs to be supplemented with water.
The heat dissipation method of the high-efficiency heat dissipation system for the magnetic refrigerator specifically comprises the following steps:
before the operation, the water storage device 5 is filled with water; when the magnetic refrigerator operates, the fan 2 is started;
the temperature of water in the radiator 1 gradually rises along with the operation of the magnetic refrigerator, and when the temperature of the water is lower than a set temperature Tc (measured by a temperature sensor), only the fan 2 is started, and the radiator is radiated by adopting an air cooling mode.
When the water temperature is higher than the set temperature Tc, the temperature of the radiator 1 cannot be effectively reduced by a pure air cooling mode, the air cooling and water cooling modes are started to carry out heat dissipation at the same time, the controller 10 controls the first electromagnetic valve 6 and the water pump 4 to be opened simultaneously, the water pump 4 conveys water to the atomizing device 3, the atomized water is sprayed onto the surface of the radiator 1, and under the action of the fan 2, the water on the surface of the radiator 1 is rapidly evaporated to absorb heat, so that the temperature of the radiator 1 is rapidly reduced. The water which is not left on the surface of the radiator 1 in the atomization spraying process flows into the collecting device 8 opposite to the radiator 1 to be stored, and after the water amount reaches the liquid level target position, the liquid level sensor 7 can generate a liquid level signal and transmit the liquid level signal to the controller 10.
When water spray cooling is needed next time, the second electromagnetic valve 9 is opened, the water pump 4 sucks the water in the collecting device 8 to the fog spraying device 3, and the water is atomized and sprayed onto the radiator 1 to dissipate heat. Because the volume of the collecting device 8 is larger than the water spraying amount of the mist spraying device 3 once, when the stored water in the collecting device 8 is utilized, only the electromagnetic valve 9 needs to be opened, and water does not need to be pumped from the water storage device 5, so that the purpose of recycling the cooling water is achieved.
The bottom of the water storage device 5 is provided with a liquid level sensor 7, when the liquid level is lower than the liquid level calibrated by the liquid level sensor 7, the controller 10 detects that the liquid level sensor 7 loses a liquid level signal, and the controller 10 sends out an alarm signal to remind a user of injecting water into the water storage device 5.
The utility model discloses utilize forced air cooling and water-cooled mode to dispel the heat to the radiator, improved heat-sinking capability, the effect is superior to the air-cooled heat dissipation of simple far away, the effectual refrigeration effect that has improved, the refrigeration temperature of having widened the refrigerator is striden.
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 (5)
1. A high-efficient cooling system for a magnetic refrigerator, comprising: the device comprises a radiator, a fan, a mist spraying device, a water pump, a water accumulator, a first electromagnetic valve, a liquid level sensor, a collecting device and a controller; the radiator is provided with a radiator frame, the upper and lower groups of fans are arranged on the radiator frame, and the radiator is provided with a temperature sensor; the mist spraying device is connected with the water storage device through a pipeline, is used for atomizing water and spraying the water onto the radiator, and is fixed on the heat radiator frame and positioned between the fan and the radiator; the water pump and the first electromagnetic valve are arranged on a pipeline between the mist spraying device and the water accumulator, and the water accumulator is provided with a liquid level sensor; the water pump and the first electromagnetic valve are respectively connected with an external power supply through wires, and the water pump, the control end of the first electromagnetic valve and the liquid level sensor are respectively connected with the controller through signal wires; the controller is used for controlling the opening or closing of the water pump, the first electromagnetic valve or the second electromagnetic valve.
2. The efficient heat dissipating system for a magnetic refrigerator as set forth in claim 1, wherein the collecting device is fixed to the heat sink frame, and the fan and the collecting device are respectively disposed on both sides of the heat sink; the collecting device is connected with the water storage device through a pipeline, and the second electromagnetic valve is arranged on the pipeline between the collecting device and the water storage device; the collecting device is provided with a liquid level sensor, and the liquid level sensor is used for detecting liquid level information of the collecting device and transmitting the liquid level information to the controller; the second electromagnetic valve is connected with an external power supply through a lead, and the control end of the second electromagnetic valve is connected with the controller through a signal wire.
3. The efficient heat dissipating system for a magnetic refrigerator as set forth in claim 1, wherein the temperature sensor sends a temperature signal to the controller, and when the temperature of the heat sink is higher than a set value, the controller sends a control signal to open the first solenoid valve to start the water pump.
4. The efficient heat dissipating system for a magnetic refrigerator as claimed in claim 1, wherein the heat sink is a fin-and-tube type or a band-and-tube type heat sink made of copper.
5. The efficient heat dissipating system for a magnetic refrigerator as claimed in claim 2, wherein the level sensor of the water reservoir is located higher than the water outlet of the water reservoir, and the level sensor of the collecting means is located near the top of the collecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495268.1U CN211177505U (en) | 2019-09-09 | 2019-09-09 | High-efficiency heat dissipation system for magnetic refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495268.1U CN211177505U (en) | 2019-09-09 | 2019-09-09 | High-efficiency heat dissipation system for magnetic refrigerator |
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| CN211177505U true CN211177505U (en) | 2020-08-04 |
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| CN201921495268.1U Active CN211177505U (en) | 2019-09-09 | 2019-09-09 | High-efficiency heat dissipation system for magnetic refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617648A (en) * | 2019-09-09 | 2019-12-27 | 包头稀土研究院 | Efficient heat dissipation system for magnetic refrigerator and heat dissipation method thereof |
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- 2019-09-09 CN CN201921495268.1U patent/CN211177505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617648A (en) * | 2019-09-09 | 2019-12-27 | 包头稀土研究院 | Efficient heat dissipation system for magnetic refrigerator and heat dissipation method thereof |
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