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Cabinet fan accessories mainly what roles
by：TNE
2020-11-22
Cabinet fan is the main accessories, cabinet cooling rack to cool the cooling is to use the cabinet fan outlet and rack up and down, make cabinet content air flow, have the effect of heat and cooling, the specific cooling rate and room temperature.
Several problems about the cabinet fan outside is, fan, cabinet fan installation, the matters needing attention, respectively introduce below:
;
what types cabinet fan
;
1, axial flow fan is
;
axial flow fan blade pushing in the same direction as the axis air flow. Axial flow fan impeller and propeller are similar, it at work, the vast majority of the flow of air flow parallel to the axis, in other words, along the axis direction. Axial flow fan when the inlet air flow is 0 static pressure free air, the minimum power consumption, as the jet backpressure rises when running power consumption will increase. Its characteristics: high flow rate, medium wind pressure
;
2, centrifugal fan
;
the centrifugal fan is working, blade air moving in a direction perpendicular to the axis phase ( The radial) Flow, inlet is along the axis direction, and the gas is perpendicular to the axis direction. In most cases, the use of axial flow fan can achieve cooling effect, however, sometimes you rotate it 90 degree if need air discharge or need larger wind pressure, you must choose a centrifugal fan. Its characteristics: limited flow rate, high wind pressure
;
3, mixed flow fans
;
mixed flow fan is also called the diagonal flow fan, the first look, mixed flow fans and axial flow fan is no different, in fact, mixed flow fan inlet is along the axis, but outgassing is along the diagonal direction of the axis and vertical axis. This fan because of blade and casing said cone, so the air pressure is higher, under the same size and other comparable performance, compared with axial flow fan, centrifugal fan noise is lower. Its characteristics: high flow rate and the relatively high wind pressure
; Fan
4, tubular;
tubular wind can produce the wind flow of large area, usually used for large surface cooling equipment. This kind of fan inlet and vent are perpendicular to the axis, tubular fan is to use a longer barrel shaped fan impeller, the round barrel the calibre of the blades are great, because of big diameter, to ensure the overall on the basis of air circulation using low speed, thereby, reduce the noise caused by the high-speed operation. Its characteristics: low flow rate, low air pressure
;
cabinet fan installation
;
cabinet fan installed generally fall into two kinds, one kind is single fan installation process, one is a double fan installation process single fan means only install a fan, we're going to choose single box fan at this moment. Single box fan because there is only one outlet and a tuyere, convection, so can only be relative to the tuyere is installed in the front of the CPU, then install the outlet surface after the CPU, it can guarantee the CPU radiator, in order to maintain the low temperature. CPU heat dissipation, but this method can only be for other parts don't work, so this kind of method to lower the temperature in the cabinet as a whole is not suitable.
;
the meaning of the double fan is installed two fan in the cabinet, so that can ensure the heat dissipation of large area. At the time of installation, can be installed in the front of the cabinet two into the draught, behind the parts installed outlet again, to ensure timely heat inside outside don't go, keep stable cabinet internal temperature without heat.
;
cabinet fan selection considerations
;
cabinet fan selection mainly consider the normal working temperature in the cabinet, cabinet outside environment temperature, the highest for a temperature difference, fan ventilation rate, estimate the air contained in the capacity. Known three data: temperature, air change rate, air volume, after get the air inside cabinet replaced once time, and then obtained through the calculation of temperature difference between the actual need of ventilation rate. To choose the actual need of the fan. Because generally at night, the temperature drops, so will produce condensate, dependent on the circuit board inside ark, so you need to select the corresponding condensation resistance heater to keep temperature in the cabinet. Cabinet cooling equipment is mainly for: air conditioning, fans, heat exchanger, condensate heater. According to the size of the cabinet put oneself in another's position at the same time the appropriate choice of different power equipment.
;
what types cabinet fan
;
1, axial flow fan is
;
axial flow fan blade pushing in the same direction as the axis air flow. Axial flow fan impeller and propeller are similar, it at work, the vast majority of the flow of air flow parallel to the axis, in other words, along the axis direction. Axial flow fan when the inlet air flow is 0 static pressure free air, the minimum power consumption, as the jet backpressure rises when running power consumption will increase. Its characteristics: high flow rate, medium wind pressure
;
2, centrifugal fan
;
the centrifugal fan is working, blade air moving in a direction perpendicular to the axis phase ( The radial) Flow, inlet is along the axis direction, and the gas is perpendicular to the axis direction. In most cases, the use of axial flow fan can achieve cooling effect, however, sometimes you rotate it 90 degree if need air discharge or need larger wind pressure, you must choose a centrifugal fan. Its characteristics: limited flow rate, high wind pressure
;
3, mixed flow fans
;
mixed flow fan is also called the diagonal flow fan, the first look, mixed flow fans and axial flow fan is no different, in fact, mixed flow fan inlet is along the axis, but outgassing is along the diagonal direction of the axis and vertical axis. This fan because of blade and casing said cone, so the air pressure is higher, under the same size and other comparable performance, compared with axial flow fan, centrifugal fan noise is lower. Its characteristics: high flow rate and the relatively high wind pressure
; Fan
4, tubular;
tubular wind can produce the wind flow of large area, usually used for large surface cooling equipment. This kind of fan inlet and vent are perpendicular to the axis, tubular fan is to use a longer barrel shaped fan impeller, the round barrel the calibre of the blades are great, because of big diameter, to ensure the overall on the basis of air circulation using low speed, thereby, reduce the noise caused by the high-speed operation. Its characteristics: low flow rate, low air pressure
;
cabinet fan installation
;
cabinet fan installed generally fall into two kinds, one kind is single fan installation process, one is a double fan installation process single fan means only install a fan, we're going to choose single box fan at this moment. Single box fan because there is only one outlet and a tuyere, convection, so can only be relative to the tuyere is installed in the front of the CPU, then install the outlet surface after the CPU, it can guarantee the CPU radiator, in order to maintain the low temperature. CPU heat dissipation, but this method can only be for other parts don't work, so this kind of method to lower the temperature in the cabinet as a whole is not suitable.
;
the meaning of the double fan is installed two fan in the cabinet, so that can ensure the heat dissipation of large area. At the time of installation, can be installed in the front of the cabinet two into the draught, behind the parts installed outlet again, to ensure timely heat inside outside don't go, keep stable cabinet internal temperature without heat.
;
cabinet fan selection considerations
;
cabinet fan selection mainly consider the normal working temperature in the cabinet, cabinet outside environment temperature, the highest for a temperature difference, fan ventilation rate, estimate the air contained in the capacity. Known three data: temperature, air change rate, air volume, after get the air inside cabinet replaced once time, and then obtained through the calculation of temperature difference between the actual need of ventilation rate. To choose the actual need of the fan. Because generally at night, the temperature drops, so will produce condensate, dependent on the circuit board inside ark, so you need to select the corresponding condensation resistance heater to keep temperature in the cabinet. Cabinet cooling equipment is mainly for: air conditioning, fans, heat exchanger, condensate heater. According to the size of the cabinet put oneself in another's position at the same time the appropriate choice of different power equipment.
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