Video: High Performance Solution for Medical Equipment Cooling (SANYO San Ace G Proof Fan)
Figure 1: Medical devices.
Nowadays, cooling fans have been used in all walks of life, from simple electronic devices to high-end intelligent products, smart homes, car seat cushions, medical equipment, etc., all of which have adopted cooling fans on a large scale. Which equipment in medical equipment uses cooling fans? What are the requirements for cooling fans of medical equipment?
1. What are the Requirements for Cooling Fans in Medical Equipment?
High-performance, efficient, low-noise and long-life fans can be particularly helpful in the final
performance of medical equipment. Of course, equally important for medical equipment are drives that are compact,
powerful, efficient, and provide high-precision control. Modern operating rooms are inseparable from these devices.
All axial, centrifugal and diagonal flow fans are designed for years of reliable, maintenance-free
operation. For demanding applications involving extremely high mechanical stress, such
as cooling the CT scanner rotor whose acceleration exceeds the acceleration due to gravity by more than 50 times, or
being used in analyzers where corrosion resistance is particularly high,
heavy-duty fans are required.
In particular, when operating a CPAP machine in a bedroom, a CPAP machine equipped with an internal rotor motor fan
ensures a rapid increase in pressure to match the breathing rate -- and the unit operates very
quietly, ensuring undisturbed sleep.
2. Medical CT Scanner Cooling Solution -- SANYO San Ace G Proof Cooling Fan
Figure 2: CT scanner.
CT scanner is an important radiography equipment used in hospitals at all levels. In recent years, with the rapid
development of science and technology, a large number of high-tech technologies have been used in CT equipment,
which has promoted the development of CT and made CT a complex and valuable medical and health equipment integrating
multi-disciplinary knowledge and comprehensive technology.
In order to ensure better normal operation of the CT scanner, ensure the quality of medical care, and provide
patients with a better experience, first of all, the CT machine room must be maintained at a constant temperature,
and a series of tasks such as cleaning and dust removal of the machine room must be carried out every day.
However, due to medical needs, people have pursued higher image pixels and improved resolution capabilities, as well
as improved accuracy. The installation density of control boards has become higher, and the heat generation has
increased.
The workbench related to improving image pixels and resolution capabilities needs to be cooled. The cooling of the
workbench requires a fan whose rigidity is required due to high-speed operation while ordinary resin-framed fans
cannot withstand too much centrifugal acceleration.
Faced with these problems, Japan's SANYO DENKI made a proposal.
Figure 3: SANYO DENKI cooling fan.
2.1 G Proof Fan
The G proof fan with high air volume and PWM speed adjustment can prevent imaging disorder caused by temperature
rise and discharge the heat generated inside the workbench so that the equipment will not malfunction due to high
temperature.
G Proof Fan Product Features:
➤Fan frame design: An aluminum frame and improved strength are used to increase the rigidity of the fan.
➤Enhance the rigidity of the rotor sleeve: Improve the material and fixing method of the rotor sleeve to increase
the fixing strength of the rotor sleeve and the rotating shaft.
➤Bearing: The fixed bearing adopts a structure that is more resistant to external forces than before, preventing
damage to the ball bearings.
➤Optimization of fan blade design: The fan blade and rotor cover are integrated into a structure to improve the
strength of the joint, which can withstand high-intensity loads.
Figure 4: Fan blades.
Using Japan's SANYO San Ace cooling fan G proof series fans can prevent heat dissipation failures when the CT
scanner workbench rotates at high speed. High-speed rotation of the instrument will cause the damaged fan frame of
ordinary axial flow fans, the falling-off fan blades and rotating shaft, damage bearing and other faults.
However, the SANYO San Ace cooling fan G-force resistant fan series can withstand centrifugal acceleration from the
X-axis, Y-axis, and Z-axis directions, improving the reliability of the equipment.
Figure 5: The force direction of the fan.
2.2 Medical Equipment CT Scanner Application Case -- SANYO San Ace 9GP G Proof Fan
G proof cooling fan 9GP1224P1G001, 12038 DC fan 24V, four-wire with PWM speed adjustment function, can run
continuously for 40,000 hours when the operating ambient temperature is 60°C.
This cooling fan is used to prevent image disorder caused by temperature rise and discharge the heat generated
inside the workbench so that the temperature will not be too high. It is specially used in cooling solutions for CT
scanner equipment in the medical industry.
Figure 6: G proof fan used in CT scanner.
3. How to Choose a Medical Equipment Cooling Fan?
During normal use of medical equipment, due to the action of electric current, the temperature inside the medical
equipment (control box) may rise to varying degrees. In order to ensure the normal operation of the equipment and
improve safety, manufacturers take these factors into consideration when designing products, and usually install
cooling fans or cooling devices to control temperature rise.
However, an alarming number of medical equipment failures occur every year due to improper cooling fan selection,
resulting in serious losses. So, how to choose a highly reliable cooling fan?
Here are a few key factors:
1. Confirm that the fan power supply is compatible with the medical device’s power supply system.
2. Select the fan size and installation method appropriate for the medical device.
3. Make sure the fan can operate stably within the operating temperature range required by the medical device.
4. Understand the cooling requirements of the device and ensure that the fan specifications meet the requirements to
prevent overheating problems.
5. In environments where silence is required, choose a low-noise fan.
6. Considering that the equipment may be exposed to harsh environments, choose a fan with good dustproof and
waterproof performance.
7. Choose high-quality fans from well-known brands (such as SANYO San Ace) to ensure high reliability and
availability.
In addition, when maintaining and repairing medical equipment, you should also pay attention to checking the heat
dissipation (temperature rise) of the equipment to avoid circuit components from overheating and malfunctioning due
to abnormal cooling fan operation to further affect the normal use of medical equipment and cause unnecessary
economic losses.
Figure 7: The inner structure of the CT scanner.
4. Summary
Japan's SANYO DENKI San Ace cooling system cooling fans are widely used in the medical industry and have won the
title of pioneer in the field. With its century-old ingenuity, leading product technology and service, SANYO fans
are favored by various electronic equipment in the medical field and are the leader in the cooling fan industry.
O&Kmarts specializes in selling San Ace cooling fans. If you are interested,
please feel free to contact us.
