TWI617235B - Heat dissipation method for multi-axis controller - Google Patents
Heat dissipation method for multi-axis controller Download PDFInfo
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 25
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- 238000010438 heat treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
一種用於多軸控制器之散熱方法，首先藉由一第一溫度感測器及一第二溫度感測器分別感測一第一發熱源的溫度及一第二發熱源的溫度，並將所感測的結果傳送至一控制單元，當第一溫度感測器感測到第一發熱源的溫度高於一最高限制溫度時，控制單元會控制一第一雙向風扇開始進行排氣，當第二溫度感測器感測到第二發熱源的溫度高於最高限制溫度時，控制單元會控制一第二雙向風扇開始進行排氣，如此即可達到提升散熱效率的目的。A heat dissipation method for a multi-axis controller, first sensing a temperature of a first heat source and a temperature of a second heat source by a first temperature sensor and a second temperature sensor, respectively, and The sensed result is transmitted to a control unit. When the first temperature sensor senses that the temperature of the first heat source is higher than a maximum limit temperature, the control unit controls a first two-way fan to start exhausting. When the temperature sensor senses that the temperature of the second heat source is higher than the maximum temperature limit, the control unit controls a second two-way fan to start exhausting, so as to achieve the purpose of improving heat dissipation efficiency.
Description
本發明與電子設備之散熱技術有關，特別是指一種用於多軸控制器之散熱方法。The invention relates to the heat dissipation technology of an electronic device, and in particular to a heat dissipation method for a multi-axis controller.
就機器人之控制器的散熱技術來說，如US2006/0128261是使用風扇配合機殼之排氣孔對發熱源進行強制對流，並且加裝溫度感測器來維持風扇的低轉速，但是風扇及排氣孔需要設置一定的數量才能對發熱源提供應有的散熱效果，在成本上勢必會有所增加。另外，如US7,894,191是先計算出每一支風扇的散熱係數之後，再根據與各個發熱源之間的配置而對風扇計算出適合的轉速，使風扇對與其相對應之發熱源提供散熱效果，但是這樣的做法比較適合使用在穩定的發熱源，如果每一個發熱源的溫度變化並不穩定，反而會導致散熱效率變差。As for the heat dissipation technology of the controller of the robot, for example, US2006/0128261 uses a fan to cooperate with the vent hole of the casing to forcibly convect the heat source, and a temperature sensor is installed to maintain the low speed of the fan, but the fan and the row The vents need to be set to a certain amount to provide the proper heat dissipation effect to the heat source, which is bound to increase in cost. In addition, as in US 7,894,191, after calculating the heat dissipation coefficient of each fan, the fan is calculated according to the configuration between each heat source, so that the fan provides a heat dissipation effect to the corresponding heat source. However, such an approach is more suitable for use in a stable heat source. If the temperature change of each heat source is unstable, the heat dissipation efficiency will be deteriorated.
本發明之主要目的在於提供一種用於多軸控制器之散熱方法，其能針對不定性發熱源提升散熱效率。The main object of the present invention is to provide a heat dissipation method for a multi-axis controller that can improve heat dissipation efficiency for an uncertain heat source.
為了達成上述目的，本發明之散熱方法包含有兩個步驟，首先藉由一第一溫度感測器與一第二溫度感測器分別感測一第一發熱源與一第二發熱源的溫度是否高於一最高限制溫度，並將所感測到的結果傳送至一控制單元，當該第一發熱源的溫度高於該最高限制溫度時，該控制單元會控制一鄰設於該第一發熱源之第一雙向風扇進行排氣，當該第二發熱源的溫度高於該最高限制溫度時，該控制單元會控制一鄰設於該第二發熱源之第二雙向風扇進行排氣。In order to achieve the above object, the heat dissipation method of the present invention comprises two steps. First, the temperature of a first heat source and a second heat source are respectively sensed by a first temperature sensor and a second temperature sensor. Whether it is higher than a maximum limit temperature, and transmits the sensed result to a control unit, and when the temperature of the first heat source is higher than the maximum limit temperature, the control unit controls a neighboring heat The first bidirectional fan of the source performs exhausting. When the temperature of the second heating source is higher than the maximum limiting temperature, the control unit controls a second bidirectional fan adjacent to the second heating source to perform exhausting.
更佳地，當該第一、第二發熱源的溫度皆未達到該最高限制溫度時，該控制單元會進一步判斷該第一、第二發熱源之間的溫差絕對值是否大於一溫差限制，當該第一、第二發熱源之間的溫差絕對值大於該溫差限制且該第一發熱源的溫度高於該第二發熱源的溫度時，該控制單元控制該第一、第二雙向風扇分別進行排氣及進氣；當該第一、第二發熱源之間的溫差絕對值大於該溫差限制且該第一發熱源的溫度低於該第二發熱源的溫度時，該控制單元控制該第一、第二雙向風扇分別進行進氣及排氣 。More preferably, when the temperature of the first and second heat sources does not reach the maximum limit temperature, the control unit further determines whether the absolute value of the temperature difference between the first and second heat sources is greater than a temperature difference limit. The control unit controls the first and second bidirectional fans when an absolute value of a temperature difference between the first and second heat sources is greater than the temperature difference limit and a temperature of the first heat source is higher than a temperature of the second heat source Exhaust and intake air respectively; when the absolute value of the temperature difference between the first and second heat sources is greater than the temperature difference limit and the temperature of the first heat source is lower than the temperature of the second heat source, the control unit controls The first and second bidirectional fans respectively perform intake and exhaust.
請先參閱第2及3圖，本發明之散熱方法應用於一多軸控制器10，多軸控制器10在結構上包含有一外殼12、一設於外殼12內之第一發熱源14、一鄰設於第一發熱源14且固設在外殼12之第一溫度感測器16、二相對於第一發熱源14之第一雙向風扇18、一設於外殼12內之第二發熱源20、一鄰設於第二發熱源20且固設在外殼12之第二溫度感測器22、二相對於第二發熱源20之第二雙向風扇24，以及一電性連接第一、第二溫度感測器16、22和第一、第二雙向風扇18、24之控制單元26。需說明的是，第一雙向風扇18和第二雙向風扇24設置在外殼12之對應側壁，還有一氣孔121形成在外殼12並位在第一雙向風扇18和第二雙向風扇24之間。再如第1圖所示，本發明之散熱方法包含下列步驟：Referring to FIGS. 2 and 3, the heat dissipation method of the present invention is applied to a multi-axis controller 10. The multi-axis controller 10 includes a housing 12 and a first heat source 14 disposed in the housing 12. a first temperature sensor 16 disposed adjacent to the first heat source 14 and fixed to the outer casing 12, a first two-way fan 18 opposite to the first heat source 14, and a second heat source 20 disposed in the outer casing 12. a second temperature sensor 22 disposed adjacent to the second heat source 20 and fixed to the outer casing 12, two second bidirectional fans 24 opposite to the second heat source 20, and an electrical connection first and second The temperature sensors 16, 22 and the control units 26 of the first and second bidirectional fans 18, 24. It should be noted that the first bidirectional fan 18 and the second bidirectional fan 24 are disposed on the corresponding side walls of the outer casing 12, and an air hole 121 is formed in the outer casing 12 and located between the first bidirectional fan 18 and the second bidirectional fan 24. As shown in Fig. 1, the heat dissipation method of the present invention comprises the following steps:
步驟a)：在啟動多軸控制器10之後，控制單元26會先控制第一、第二雙向風扇18、24產生預設的進器或排氣，在本實施例中第一雙向風扇18預設進氣，第二雙向風扇24預設排氣(如第4圖所示)，接著藉由第一溫度感測器16與第二溫度感測器22分別感測第一發熱源14與第二發熱源20的溫度是否高於一最高限制溫度，並將所感測到的結果傳送至控制單元26進行判斷。Step a): After the multi-axis controller 10 is activated, the control unit 26 first controls the first and second bidirectional fans 18, 24 to generate a preset feeder or exhaust. In this embodiment, the first bidirectional fan 18 is pre-processed. The intake air is provided, and the second bidirectional fan 24 presets the exhaust gas (as shown in FIG. 4), and then the first temperature sensor 16 and the second temperature sensor 22 respectively sense the first heat source 14 and the first Whether the temperature of the two heat sources 20 is higher than a maximum limit temperature, and the sensed result is transmitted to the control unit 26 for determination.
步驟b)：控制單元26先判斷第一發熱源14的溫度是否高於最高限制溫度。當第一發熱源14的溫度高於最高限制溫度時，控制單元26會控制第一雙向風扇18轉為排氣(如第5圖所示)，藉以產生對流對第一發熱源14提供散熱效果，此時的第二雙向風扇24維持在排氣的狀態，接著再回到步驟a)判斷第一發熱源14的溫度是否高於最高限制溫度。Step b): The control unit 26 first determines whether the temperature of the first heat source 14 is higher than the highest limit temperature. When the temperature of the first heat source 14 is higher than the highest limit temperature, the control unit 26 controls the first two-way fan 18 to be vented (as shown in FIG. 5), thereby generating convection to provide heat dissipation to the first heat source 14. At this time, the second bidirectional fan 24 is maintained in the exhaust state, and then returns to the step a) to determine whether the temperature of the first heat source 14 is higher than the highest limit temperature.
假如第一發熱源14的溫度未達到最高限制溫度時，控制單元26接著會判斷第二發熱源20的溫度是否高於最高限制溫度，當第二發熱源20的溫度高於最高限制溫度時，控制單元26會控制第二雙向風扇24轉為排氣(如第4圖所示)，此時的第一雙向風扇18維持在進氣的狀態，藉以產生對流對第二發熱源20提供散熱效果，接著控制單元26再回到步驟a)判斷第一發熱源14的溫度是否高於最高限制溫度。If the temperature of the first heat source 14 does not reach the maximum limit temperature, the control unit 26 then determines whether the temperature of the second heat source 20 is higher than the highest limit temperature, when the temperature of the second heat source 20 is higher than the highest limit temperature, The control unit 26 controls the second bidirectional fan 24 to be vented (as shown in FIG. 4), and the first bidirectional fan 18 is maintained in the state of intake, thereby generating convection to provide heat dissipation to the second heat source 20. Then, the control unit 26 returns to the step a) to determine whether the temperature of the first heat source 14 is higher than the highest limit temperature.
步驟c)：當第一、第二發熱源14、20的溫度皆未達到最高限制溫度時，控制單元26會進一步判斷兩者之間的溫差絕對值是否大於一溫差限制，當第一發熱源14與第二發熱源20之間的溫度絕對值小於溫差限制時，回到步驟a)判斷第一發熱源14的溫度是否高於最高限制溫度。Step c): When the temperatures of the first and second heat sources 14 and 20 have not reached the maximum limit temperature, the control unit 26 further determines whether the absolute value of the temperature difference between the two is greater than a temperature difference limit, when the first heat source When the absolute value of the temperature between the 14 and the second heat source 20 is less than the temperature difference limit, the process returns to the step a) to determine whether the temperature of the first heat source 14 is higher than the highest limit temperature.
當第一發熱源14與第二發熱源20之間的溫度絕對值大於溫差限制時，再將第一發熱源14的溫度減去第二發熱源20的溫度，若第一發熱源14的溫度減去第二發熱源20的溫度大於零，表示第一發熱源14的溫度高於第二發熱源20的溫度，控制單元26會控制第一、第二雙向風扇18、24分別進行排氣及進氣(如第6圖所示)，接著控制單元26再回到步驟a)判斷第一發熱源14的溫度是否高於最高限制溫度。When the absolute value of the temperature between the first heat source 14 and the second heat source 20 is greater than the temperature difference limit, the temperature of the first heat source 14 is subtracted from the temperature of the second heat source 20, if the temperature of the first heat source 14 Subtracting the temperature of the second heat source 20 is greater than zero, indicating that the temperature of the first heat source 14 is higher than the temperature of the second heat source 20, and the control unit 26 controls the first and second two-way fans 18 and 24 to exhaust respectively. Intake (as shown in Fig. 6), control unit 26 then returns to step a) to determine if the temperature of first heat source 14 is above the maximum limit temperature.
假如第一發熱源14的溫度減去第二發熱源20的溫度小於零時，表示第二發熱源20的溫度高於第一發熱源14的溫度，控制單元26會控制第一、第二雙向風扇18、24分別轉為進氣及排氣(如第4圖所示)。假如第一、第二發熱源14、20之間的溫差絕對值小於溫差限制時，控制單元26再回到步驟a)判斷第一發熱源14的溫度是否高於最高限制溫度，如此周而復始的形成一個循環。If the temperature of the first heat source 14 minus the temperature of the second heat source 20 is less than zero, indicating that the temperature of the second heat source 20 is higher than the temperature of the first heat source 14, the control unit 26 controls the first and second directions. The fans 18, 24 are respectively turned into intake and exhaust (as shown in Fig. 4). If the absolute value of the temperature difference between the first and second heat sources 14 and 20 is less than the temperature difference limit, the control unit 26 returns to the step a) to determine whether the temperature of the first heat source 14 is higher than the highest limit temperature, so that the formation is repeated. A loop.
藉由上述步驟可知，本發明之散熱方法藉由多數個溫度感測器16、22將多數個不定性發熱源14、20的溫度傳送至控制單元26，再由控制單元26根據所接收到的溫度變化來控制與各發熱源14、20相對應之雙向風扇18、24進行進氣與排氣，進而達到提升散熱效率的目的。As can be seen from the above steps, the heat dissipation method of the present invention transmits the temperatures of the plurality of uncertain heat sources 14, 20 to the control unit 26 by a plurality of temperature sensors 16, 22, and the control unit 26 receives the received The temperature changes to control the two-way fans 18 and 24 corresponding to the heat sources 14 and 20 to perform intake and exhaust, thereby achieving the purpose of improving heat dissipation efficiency.
10‧‧‧多軸控制器
12‧‧‧外殼
121‧‧‧氣孔
14‧‧‧第一發熱源
16‧‧‧第一溫度感測器
18‧‧‧第一雙向風扇
20‧‧‧第二發熱源
22‧‧‧第二溫度感測器
24‧‧‧第二雙向風扇
26‧‧‧控制單元10‧‧‧Multi-axis controller
12‧‧‧ Shell
121‧‧‧ stomata
14‧‧‧First heat source
16‧‧‧First temperature sensor
18‧‧‧First two-way fan
20‧‧‧second heat source
22‧‧‧Second temperature sensor
24‧‧‧Second two-way fan
26‧‧‧Control unit
第1圖為本發明之流程圖。 第2圖為應用本發明之多軸控制器的立體結構示意圖。 第3圖為應用本發明之多軸控制器的平面結構示意圖。 第4圖類同於第3圖，主要顯示第一雙向風扇為進氣且第二雙向風扇為排氣之狀態。 第5圖類同於第3圖，主要顯示第一、二雙向風扇皆為排氣之狀態。 第6圖類同於第3圖，主要顯示第一雙向風扇為排氣且第二雙向風扇為進氣之狀態。Figure 1 is a flow chart of the present invention. Fig. 2 is a perspective view showing the structure of a multi-axis controller to which the present invention is applied. Fig. 3 is a schematic plan view showing the structure of a multi-axis controller to which the present invention is applied. The fourth figure is similar to the third figure, and mainly shows that the first two-way fan is the intake air and the second two-way fan is the exhaust state. Figure 5 is similar to Figure 3, which mainly shows that both the first and second bidirectional fans are in the exhaust state. The sixth figure is similar to the third figure, and mainly shows that the first two-way fan is exhausted and the second two-way fan is in the state of intake.
Claims (4)
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| TW104119844A TWI617235B (en) | 2015-06-18 | 2015-06-18 | Heat dissipation method for multi-axis controller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001021999A (en) * | 1999-07-07 | 2001-01-26 | Toshiba Corp | Projector thermal protection device |
| JP2002268775A (en) * | 2001-03-06 | 2002-09-20 | Internatl Business Mach Corp <Ibm> | Method for controlling cooling fan and device for the same |
| US20110114297A1 (en) * | 2009-11-16 | 2011-05-19 | Alex Horng | Heat-dissipating device |
| TW201133169A (en) * | 2010-03-29 | 2011-10-01 | Hon Hai Prec Ind Co Ltd | Temperature detecting apparatus |
| TW201314399A (en) * | 2011-09-30 | 2013-04-01 | Hon Hai Prec Ind Co Ltd | Computer host |
| TW201345398A (en) * | 2012-04-25 | 2013-11-01 | Sunonwealth Electr Mach Ind Co | Cooling system for portable communication device |
| US20140036443A1 (en) * | 2012-08-01 | 2014-02-06 | Asus Technology Pte Ltd. | Graphic card with multiple fans and controlling method thereof |
-
2015
- 2015-06-18 TW TW104119844A patent/TWI617235B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001021999A (en) * | 1999-07-07 | 2001-01-26 | Toshiba Corp | Projector thermal protection device |
| JP2002268775A (en) * | 2001-03-06 | 2002-09-20 | Internatl Business Mach Corp <Ibm> | Method for controlling cooling fan and device for the same |
| US20110114297A1 (en) * | 2009-11-16 | 2011-05-19 | Alex Horng | Heat-dissipating device |
| TW201133169A (en) * | 2010-03-29 | 2011-10-01 | Hon Hai Prec Ind Co Ltd | Temperature detecting apparatus |
| TW201314399A (en) * | 2011-09-30 | 2013-04-01 | Hon Hai Prec Ind Co Ltd | Computer host |
| TW201345398A (en) * | 2012-04-25 | 2013-11-01 | Sunonwealth Electr Mach Ind Co | Cooling system for portable communication device |
| US20140036443A1 (en) * | 2012-08-01 | 2014-02-06 | Asus Technology Pte Ltd. | Graphic card with multiple fans and controlling method thereof |
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