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Heat radiator as well as control device and control method of heat radiator

A heat sink and control board technology, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve the problems of increasing design cost, increasing process complexity of cooling fins, reducing reliability, etc., to improve the use of The effect of longevity

Active Publication Date: 2012-07-11
GUANGZHOU SANJING ELETRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the heat dissipation fins are increased to a certain number, they cannot be increased any more. If the heat dissipation fins are arranged too densely, it will prevent the fan from carrying the heat with it.
At the same time, increasing the number of cooling fins and setting them as curved surfaces will increase the complexity of the process and the cost will be higher
[0004] Another utility model patent of Chinese patent ZL200920286743.4 (authorized announcement number is CN201656747U) mainly uses cold water cooling method to dissipate heat. High sealing performance is required, and additional hydraulic auxiliary devices are required, which increases the design cost and reduces the overall reliability

Method used

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  • Heat radiator as well as control device and control method of heat radiator
  • Heat radiator as well as control device and control method of heat radiator
  • Heat radiator as well as control device and control method of heat radiator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as Figure 2-Figure 4 As shown, a heat sink of this embodiment includes a base plate 6, heat dissipation fins 7, and a box body 5. The box body 5 has an opening at the top, and the base plate 6 completely covers the opening and is fixed on the box body 5. 6 The first surface mount electronic module 1, which also includes a heat dissipation roller 8, a motor 11, a fan 14, a temperature sensor 20, a control board 4, and a wire 2. The second surface of the substrate 6 is also provided with an arc-shaped groove 61, and the heat dissipation roller 8 Located in the arc groove 61, the radiating fin 7 is located on the inner surface of the radiating drum 8, the radiating drum 8 is connected to the motor 11, and the control board 4 is connected to the temperature sensor 20, the motor 11 and the fan 14 through the wire 2 for detecting The obtained temperature value controls the actions of the motor and the fan, and the fan (14), the motor (11) and the heat dissipation roller ...

Embodiment 2

[0062] Such as Figure 8 As shown, in this embodiment, except for the following features, other technical features are the same as those of embodiment 1: The second surface of the substrate 6 is flat, the heat dissipation rollers are multiple, and the heat dissipation rollers 8 include heat dissipation rollers. The shaft 13 and the supporting hub 131 for driving the radiating roller 8 to perform circular motion; the plurality of radiating rollers 8 are provided with a matching crawler 81, and the crawler includes a crawler shoe and a crawler pin. The track shoes are connected to form a track link, the upper surface of the track link is parallel to the second surface of the base plate; the plurality of heat dissipation rollers 8 mesh with the crawler belt 81, when the heat dissipation roller rotates, the crawler belt is driven to rotate, and the crawler belt is on During the rotation, the heat of the substrate 6 is taken away.

Embodiment 3

[0064] In this embodiment, except for the following features, other technical features are the same as those of Embodiment 1: Picture 9 As shown, the temperature sensor 20 can also be integrated in the electronic module 1. In this case, there is no need to open a groove 62 on the substrate 6, and the effect in Embodiment 1 is also achieved.

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Abstract

The invention discloses a heat radiator as well as a control device and a control method of the heat radiator. The heat radiator comprises a base plate and a box body, wherein the top of the box body is provided with an opening, the base plate completely covers the opening and is fixed on the box body, and a first surface of the base plate is provided with an electronic module. The heat radiator further comprises a heat-radiating roller, a motor, a fan, a temperature sensor and a control panel for controlling the actions of the motor and the fan according to a detected temperature value, wherein the heat-radiating roller is connected with the motor, the control panel is electrically connected with the temperature sensor, the motor and the fan through lead wires, and the fan, the motor and the heat-radiating roller are arranged in the box body. According to the invention, when the temperature reaches a certain value, the motor is controlled to be started to realize heat radiation, when the temperature reaches a high set value, the motor and the fan are simultaneously started so as to realize rapid heat radiation, and when the temperature is reduced to a certain value, the fan or the motor are shut down automatically, so that the purpose of energy saving is achieved.

Description

Technical field [0001] The present invention relates to the technical field of radiators, in particular to a radiator, a radiator control device and a control method. Background technique [0002] The core components of frequency converters, inverters, switching power supplies, and electronic modules have the advantages of high frequency, high voltage, high speed and high density of integrated circuits, which makes the heat generation per unit volume of electronic devices increase rapidly; the general operating temperature of electronic devices It is -5℃~65℃. If the temperature range is exceeded for a long time, the service life of electronic components will be reduced, and the performance will be significantly reduced, resulting in unstable operation and shortened service life of the equipment. The temperature control of these components is mainly realized by the radiator, such as figure 1 As shown, the heat sink in the prior art is mainly composed of a base plate 2 and a heat d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/20G05D23/20
Inventor 黄永科
Owner GUANGZHOU SANJING ELETRIC