TWI393123B - Optical disc player and method for controlling motor thereof - Google Patents
Optical disc player and method for controlling motor thereof Download PDFInfo
- Publication number
- TWI393123B TWI393123B TW97102820A TW97102820A TWI393123B TW I393123 B TWI393123 B TW I393123B TW 97102820 A TW97102820 A TW 97102820A TW 97102820 A TW97102820 A TW 97102820A TW I393123 B TWI393123 B TW I393123B
- Authority
- TW
- Taiwan
- Prior art keywords
- spindle motor
- signal
- input
- optical disc
- electromotive force
- Prior art date
Links
Landscapes
- Rotational Drive Of Disk (AREA)
Description
本發明涉及一種播放裝置，尤其涉及一種光碟播放設備及其馬達控制方法。 The present invention relates to a playback device, and more particularly to an optical disc playback device and a motor control method thereof.
光碟播放器利用主軸馬達帶動光碟旋轉，以實現光碟的讀取和寫入。光碟播放器通常包括輸入單元及控制單元。輸入單元用於根據用戶的操作產生相應的輸入訊號。控制單元用於接收輸入訊號並根據輸入訊號控制光碟播放器中主軸馬達的運作。 The disc player uses the spindle motor to drive the disc to rotate, so that the disc can be read and written. A disc player usually includes an input unit and a control unit. The input unit is configured to generate a corresponding input signal according to the user's operation. The control unit is configured to receive an input signal and control the operation of the spindle motor in the optical disc player according to the input signal.
在使用上述光碟播放器時，若用戶需要更換光碟，首先需操作遙控器或者光碟播放器上設置的按鍵使輸入單元輸入關閉光碟播放器訊號至控制單元。控制單元在接收到關閉光碟播放器的訊號時發出停止供電的控制訊號。電源停止為主軸馬達供電。由於慣性的作用，此時主軸馬達仍在帶動光碟高速旋轉，需等光碟停止下來方能進行更換光碟。然而，光碟停止下來通常需要較長的時間。尤其是在光碟播放器生產後的測試過程中，光碟播放器需要讀取大量的光碟，測試員將進行反復更換光碟操作，勢必將大量的時間浪費在更換光碟等待過程上，測試效率較低。 When using the above disc player, if the user needs to replace the disc, firstly operate the remote controller or the button set on the disc player to input the input unit to turn off the disc player signal to the control unit. The control unit sends a control signal to stop the power supply when receiving the signal to turn off the optical disc player. The power supply stops supplying power to the spindle motor. Due to the inertia, the spindle motor is still driving the disc to rotate at a high speed, and the disc can be replaced before the disc can be replaced. However, it usually takes a long time for the disc to stop. Especially in the test process after the production of the optical disc player, the optical disc player needs to read a large number of optical discs, and the tester will perform the operation of repeatedly replacing the optical disc, which is bound to waste a lot of time on the process of replacing the optical disc, and the test efficiency is low.
有鑒於此，有必要提供一種可節省更換光碟等待時間的光碟播放設備。 In view of this, it is necessary to provide a disc playback device that can save the waiting time for replacing the disc.
另外，還有必要提供一種可節省更換光碟等待時間的馬 達控制方法。 In addition, it is necessary to provide a horse that can save the waiting time for replacing the disc. Control method.
一種光碟播放設備，包主軸馬達、電源、輸入裝置及微處理器。該主軸馬達用於承載光碟並帶動光碟旋轉。該電源為該主軸馬達提供電動勢。該輸入裝置用於根據用戶的操作產生相應的輸入訊號。該微處理器與該輸入裝置相連，用於判斷其接收到的輸入訊號是否是關閉該光碟播放設備的訊號，並在該輸入訊號是關閉該光碟播放設備的訊號時向電源發出提供反向電動勢的控制訊號。該電源為該主軸馬達提供反向電動勢以減小主軸馬達的轉速。 A disc playback device includes a spindle motor, a power source, an input device, and a microprocessor. The spindle motor is used to carry a disc and drive the disc to rotate. The power source provides an electromotive force to the spindle motor. The input device is configured to generate a corresponding input signal according to a user operation. The microprocessor is connected to the input device for determining whether the received input signal is a signal for turning off the optical disc playback device, and providing a back electromotive force to the power source when the input signal is a signal for turning off the optical disc playback device. Control signal. The power supply provides a back electromotive force to the spindle motor to reduce the rotational speed of the spindle motor.
一種馬達控制方法，該馬達用於承載光碟並帶動光碟旋轉，該馬達控制方法包括如下步驟：提供電動勢驅動主軸馬達旋轉；接收輸入訊號；判斷輸入訊號是否是關閉光碟播放設備的訊號，若該輸入訊號是關閉光碟播放設備的訊號，則為主軸馬達提供反向電動勢減小主軸馬達的轉速。 A motor control method for carrying a disc and driving the disc to rotate, the motor control method comprising the steps of: providing an electromotive force to drive the spindle motor to rotate; receiving an input signal; determining whether the input signal is a signal for turning off the disc playing device, if the input The signal is a signal to turn off the optical disc playback device, and the reverse electromotive force is provided to the spindle motor to reduce the rotational speed of the spindle motor.
上述光碟播放設備及其馬達控制方法中，該微處理器接收到關閉光碟播放設備的輸入訊號時控制電源為主軸馬達提供反向電動勢，減小主軸馬達的轉速，使主軸馬達及主軸馬達承載的光碟在較短時間內停止下來，從而可以節省更換光碟等待時間。 In the above disc playing device and the motor control method thereof, when the microprocessor receives the input signal for closing the optical disc playing device, the control power supply provides a back electromotive force for the spindle motor, reduces the rotational speed of the spindle motor, and carries the spindle motor and the spindle motor. The disc stops in a short period of time, which saves the waiting time for replacing the disc.
如圖1所示，光碟播放設備100包括主軸馬達20、電源30 、輸入裝置40、微處理器50、轉速檢測裝置60和比較器70。 As shown in FIG. 1, the optical disc playback apparatus 100 includes a spindle motor 20 and a power source 30. The input device 40, the microprocessor 50, the rotational speed detecting device 60, and the comparator 70.
主軸馬達20用於承載光碟並帶動光碟旋轉，以實現光碟的讀取和/或寫入。 The spindle motor 20 is used to carry a disc and drive the disc to rotate to enable reading and/or writing of the disc.
電源30與主軸馬達20相連，用於為主軸馬達20提供電動勢使主軸馬達20旋轉。 A power source 30 is coupled to the spindle motor 20 for providing an electromotive force to the spindle motor 20 to rotate the spindle motor 20.
輸入裝置40用於根據用戶的操作產生相應的輸入訊號，其包括輸入單元42和接收單元44。輸入單元42用於產生遙控訊號，其可以為紅外遙控設備或者藍牙遙控設備等，相應地產生紅外訊號或者藍牙訊號。 The input device 40 is configured to generate a corresponding input signal according to an operation of the user, which includes an input unit 42 and a receiving unit 44. The input unit 42 is configured to generate a remote control signal, which may be an infrared remote control device or a Bluetooth remote control device, etc., and accordingly generate an infrared signal or a Bluetooth signal.
接收單元44接收輸入單元42產生的遙控訊號，並將該遙控訊號轉換為輸入訊號，如將紅外或者藍牙訊號轉換成相應的輸入訊號。在其他實施方式中，輸入裝置40可以為設置在光碟播放設備100上的按鍵裝置，其直接根據用戶的操作產生輸入訊號。 The receiving unit 44 receives the remote control signal generated by the input unit 42 and converts the remote control signal into an input signal, such as converting an infrared or bluetooth signal into a corresponding input signal. In other embodiments, the input device 40 can be a button device disposed on the optical disc playback device 100, which directly generates an input signal according to a user's operation.
微處理器50與輸入裝置40相連，用於判斷其接收到的輸入訊號是否是關閉光碟播放設備100的訊號，並在輸入訊號是關閉光碟播放設備100的訊號時向電源30發出提供反向電動勢的控制訊號。電源30為主軸馬達20提供反向電動勢以減小主軸馬達20的轉速，使主軸馬達20及主軸馬達20承載的光碟在較短時間內停止旋轉，從而可節省更換光碟等待時間。 The microprocessor 50 is connected to the input device 40 for determining whether the received input signal is a signal for turning off the optical disc playback device 100, and providing a reverse electromotive force to the power source 30 when the input signal is a signal for turning off the optical disc playback device 100. Control signal. The power source 30 provides a back electromotive force to the spindle motor 20 to reduce the rotational speed of the spindle motor 20, so that the optical disk carried by the spindle motor 20 and the spindle motor 20 stops rotating in a short time, thereby saving the waiting time for replacing the optical disk.
轉速檢測裝置60與主軸馬達20相連，用於在電源30為主軸馬達20提供反向電動勢時檢測主軸馬達20的轉速並根 據主軸馬達20的轉速產生相應的檢測訊號。轉速檢測裝置60可以為固定在主軸馬達20上的轉速感測器。 The rotation speed detecting device 60 is coupled to the spindle motor 20 for detecting the rotation speed of the spindle motor 20 when the power source 30 supplies the counter electromotive force to the spindle motor 20. A corresponding detection signal is generated according to the rotational speed of the spindle motor 20. The rotation speed detecting device 60 may be a rotation speed sensor fixed to the spindle motor 20.
比較器70與轉速檢測裝置60相連，用於比較檢測訊號與預定值並將比較結果發送至微處理器50。若比較結果為檢測訊號小於或者等於預定值，則微處理器50還用於向電源30發出停止供電的控制訊號。電源30停止為主軸馬達20提供反向電動勢。 The comparator 70 is coupled to the rotational speed detecting means 60 for comparing the detected signal with a predetermined value and transmitting the comparison result to the microprocessor 50. If the comparison result is that the detection signal is less than or equal to the predetermined value, the microprocessor 50 is further configured to send a control signal to the power source 30 to stop the power supply. The power source 30 stops providing a back electromotive force to the spindle motor 20.
上述光碟播放設備100中，微處理器50在接收到關閉光碟播放設備100的輸入訊號時控制電源30為主軸馬達20提供反向電動勢，減小主軸馬達20的轉速，使主軸馬達20及主軸馬達20承載的光碟在較短時間內停止下來，從而可以節省更換光碟等待時間。 In the above-described optical disc playback apparatus 100, the microprocessor 50 controls the power supply 30 to supply the reverse electromotive force to the spindle motor 20 when receiving the input signal to turn off the optical disc playback apparatus 100, and reduces the rotational speed of the spindle motor 20 to make the spindle motor 20 and the spindle motor The 20-carrying optical discs are stopped in a short period of time, thereby saving the waiting time for replacing the optical discs.
如圖2所示，一較佳實施方式的馬達控制方法流程開始，進入步驟S802，提供電動勢驅動主軸馬達20旋轉。 As shown in FIG. 2, the flow of the motor control method of a preferred embodiment begins, and proceeds to step S802 to provide an electromotive force to drive the spindle motor 20 to rotate.
步驟S804，接收輸入訊號。 Step S804, receiving an input signal.
步驟S806，判斷輸入訊號是否是關閉光碟播放設備100的訊號。若輸入訊號不是關閉光碟播放設備100的訊號，則返回步驟S804；若輸入訊號是關閉光碟播放設備100的訊號，則進入步驟S808。 In step S806, it is determined whether the input signal is a signal for turning off the optical disc playback device 100. If the input signal is not the signal for turning off the optical disc playback device 100, the process returns to step S804; if the input signal is the signal for turning off the optical disc playback device 100, the process proceeds to step S808.
步驟S808，為主軸馬達20提供反向電動勢減小主軸馬達20的轉速。 In step S808, the reverse electromotive force is supplied to the spindle motor 20 to reduce the rotational speed of the spindle motor 20.
步驟S810，檢測主軸馬達20的轉速並產生相應的檢測訊號。 Step S810, detecting the rotation speed of the spindle motor 20 and generating a corresponding detection signal.
步驟S812，比較檢測訊號是否小於或者等於預定值。若檢測訊號大於預定值，則返回步驟S808；若檢測訊號小於或者等於預定值，則進入步驟S814。 Step S812, comparing whether the detection signal is less than or equal to a predetermined value. If the detection signal is greater than the predetermined value, the process returns to step S808; if the detection signal is less than or equal to the predetermined value, then the process proceeds to step S814.
步驟S814，停止為主軸馬達20提供反向電動勢。 In step S814, the supply of the back electromotive force to the spindle motor 20 is stopped.
上述馬達控制方法中，為主軸馬達20提供反向電動勢減小主軸馬達20的轉速，使主軸馬達20及其主軸馬達20承載的光碟在較短時間內停止下來，從而可節省更換光碟等待時間。 In the above motor control method, the reverse electromotive force is supplied to the spindle motor 20 to reduce the rotational speed of the spindle motor 20, so that the optical disk carried by the spindle motor 20 and its spindle motor 20 is stopped in a short time, thereby saving the waiting time for replacing the optical disk.
100‧‧‧光碟播放設備 100‧‧‧Disc playback equipment
20‧‧‧主軸馬達 20‧‧‧Spindle motor
30‧‧‧電源 30‧‧‧Power supply
40‧‧‧輸入裝置 40‧‧‧ Input device
50‧‧‧微處理器 50‧‧‧Microprocessor
42‧‧‧輸入單元 42‧‧‧Input unit
60‧‧‧轉速檢測裝置 60‧‧‧Speed detecting device
44‧‧‧接收單元 44‧‧‧ receiving unit
70‧‧‧比較器 70‧‧‧ comparator
S802~S814‧‧‧步驟 S802~S814‧‧‧Steps
圖1係一較佳實施方式光碟播放設備的系統結構圖。 1 is a system structural diagram of a preferred embodiment optical disc playback device.
圖2係一較佳實施方式馬達控制方法的流程圖。 2 is a flow chart of a preferred embodiment motor control method.
100‧‧‧光碟播放設備 100‧‧‧Disc playback equipment
20‧‧‧主軸馬達 20‧‧‧Spindle motor
30‧‧‧電源 30‧‧‧Power supply
40‧‧‧輸入裝置 40‧‧‧ Input device
50‧‧‧微處理器 50‧‧‧Microprocessor
42‧‧‧輸入單元 42‧‧‧Input unit
60‧‧‧轉速檢測裝置 60‧‧‧Speed detecting device
44‧‧‧接收單元 44‧‧‧ receiving unit
70‧‧‧比較器 70‧‧‧ comparator
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW97102820A TWI393123B (en) | 2008-01-25 | 2008-01-25 | Optical disc player and method for controlling motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW97102820A TWI393123B (en) | 2008-01-25 | 2008-01-25 | Optical disc player and method for controlling motor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200933612A TW200933612A (en) | 2009-08-01 |
| TWI393123B true TWI393123B (en) | 2013-04-11 |
Family
ID=44866025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW97102820A TWI393123B (en) | 2008-01-25 | 2008-01-25 | Optical disc player and method for controlling motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI393123B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW440817B (en) * | 1999-05-20 | 2001-06-16 | Asustek Comp Inc | Method for controlling the rotating speed of compact disk player and device thereof |
| US20020093758A1 (en) * | 1997-11-07 | 2002-07-18 | Hitachi, Ltd. | Magnetic disk drive and magnetic disk drive system |
| TW519622B (en) * | 1999-11-25 | 2003-02-01 | Matsushita Electric Ind Co Ltd | Disc device and method for slowing down the disc of the disc device |
-
2008
- 2008-01-25 TW TW97102820A patent/TWI393123B/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020093758A1 (en) * | 1997-11-07 | 2002-07-18 | Hitachi, Ltd. | Magnetic disk drive and magnetic disk drive system |
| TW440817B (en) * | 1999-05-20 | 2001-06-16 | Asustek Comp Inc | Method for controlling the rotating speed of compact disk player and device thereof |
| TW519622B (en) * | 1999-11-25 | 2003-02-01 | Matsushita Electric Ind Co Ltd | Disc device and method for slowing down the disc of the disc device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200933612A (en) | 2009-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008108070A1 (en) | Data processing device and power control method | |
| EP1840702A3 (en) | Information processing device, power supply control method and storage medium | |
| RU2015124593A (en) | METHOD FOR MANAGING A PORTABLE DEVICE AND A PORTABLE DEVICE FOR HIM | |
| TW200703298A (en) | Optical disk drive, optical disk apparatus, and method for driving the apparatus | |
| JP2013218682A (en) | Power-on/power-off test system and test method | |
| US8803547B2 (en) | Test board and method for testing rotation speed of fan | |
| WO2017101135A1 (en) | Intelligent detection system for electromagnetic brake | |
| WO2013029466A1 (en) | Piano tuning detection device and implementation method thereof | |
| WO2009031640A1 (en) | In-vivo information acquiring device and power supply control method | |
| TWI393123B (en) | Optical disc player and method for controlling motor thereof | |
| CN202110060U (en) | Portable elevator speed limiter testing device | |
| CN101488351B (en) | Optical disc playing device and motor controlling method thereof | |
| JP2005276307A5 (en) | ||
| US7073097B2 (en) | Two-MCU system and hang-up detecting method of MCU | |
| JP2007043624A5 (en) | ||
| TW201423394A (en) | Demo platform for server | |
| JP2008236008A5 (en) | ||
| JP2009143697A5 (en) | ||
| TW200506822A (en) | Disc drive apparatus | |
| JP2008185697A5 (en) | ||
| TW200703247A (en) | Apparatus and method for controlling the rotation velocity of an optical disc | |
| WO2008132838A1 (en) | Device and method for recording and/or reproducing data onto/from information recording medium by using near-field light and information recording medium | |
| EP1858153A3 (en) | Electric motor and method for actuating such a motor | |
| TW200601277A (en) | Optical disk device | |
| EP1826755A3 (en) | Optical pickup control apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |