九、發明說明： 【發明所屬之技術領域】 本發明係關於一種具密碼鎖之電子裝置。 【先前技術】 電腦在現代工作和生活中使用愈來愈廣泛，愈來愈多公司機密 或個人資訊都存齡電财，難者如果能打職箱，便能很容易 竊取電腦中之資訊’獲得公司或者個人之機密情報；同時還可能調 換機箱中之硬财備，比如㈣機、光碟機、顯示卡等，造成經濟 損失。 習知技術之電職由在機_板上安裝—密碼鎖，藉由輸入密 碼來控制電子鎖之啓閉，如美國專利第6307738號所揭示之一種電 腦’其包括-微處理H、一與該微處理器連接並提供麟輸入之用 戶輸入設備、-與該微處理器連接且可容易讀寫之記憶體、一用於 接收該微處理器輸出之輸出設備、一用於給該微處理器及該記憶體 提供電源之内。卩電源供應器及—電子鎖，用戶之輸人指令輸入一應 用軟體離藉由該微處理H測前子鎖之频，該制關閉時該 電子鎖保持鎖住狀態，以此達到保護電腦硬體、防止資訊被竊取之 目的。惟該美國專利第6307738號所揭示之電腦必須在開啟狀態下 由該應用軟體控繼電子鎖之賴，如果電腦由於出現故障或者斷 電等原因不能開啓’觸電子鎖會—直保持鎖住狀態，使得用戶自 己也無法開啓機箱’由此給用戶造成使用麻煩 、不方便管理等困擾。 因疋’貫有必要對習知技術用於電子裝置之密碼鎖進行改良， ^32171.5 以消除上述缺失。 【發明内容】 馨於以上内容，有必要提供一種具密碼鎖之電子裝置。 -種具獨之冑增，她—赫、_蓋合於該基座上 二盘板及Γ將該基座和該蓋板細連接之密碼鎖，該密碼鎖包括-:電路,’且—控制晶片及—電子鎖，該輸入電路模組用於給該IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to an electronic device with a combination lock. [Prior Art] Computers are becoming more and more widely used in modern work and life. More and more company secrets or personal information are stored in the age of money. If they can play a job, they can easily steal information from computers. Obtain confidential information of the company or individual; at the same time, it may also exchange hard food in the chassis, such as (4) machines, CD players, display cards, etc., causing economic losses. The electronic function of the prior art is to install a password lock on the machine, and to control the opening and closing of the electronic lock by inputting a password, such as a computer disclosed in US Pat. No. 6,307,738, which includes - micro processing H, one and The microprocessor is connected to and provides a user input device for the input of the lining, a memory connected to the microprocessor and readable and writable, an output device for receiving the output of the microprocessor, and a microprocessor for And the memory is provided within the power supply.卩Power supply and electronic lock, the user's input command input an application software to measure the frequency of the front sub-lock by the micro-processing H, the electronic lock remains locked when the system is closed, thereby achieving protection of the computer hard Body, to prevent theft of information. However, the computer disclosed in the U.S. Patent No. 6,307,738 must be controlled by the application software in the open state, and if the computer fails to open due to a malfunction or power failure, the electronic lock can be turned on. So that the user can not open the chassis by himself, which causes troubles for users to use, and is inconvenient to manage. It is necessary to improve the password lock used by the prior art for electronic devices, ^32171.5 to eliminate the above missing. SUMMARY OF THE INVENTION In order to provide the above, it is necessary to provide an electronic device with a password lock. - The type is unique, she-Her, _ covers the two plates on the pedestal and the PIN lock that connects the pedestal and the cover. The PIN lock includes -: circuit, 'and- Control chip and electronic lock, the input circuit module is used to
=片麵心1 ’ 娜辦細械式鎖固， 以控制晶牌據該輪人電路模組提供之輸人密碼控電子鎖之 啟閉。 相較習知技術，該密碼鎖經向輸人電路模峻供輸人密碼，由 控制晶片控制電子鎖之啓閉，且該密石馬鎖在電子裝置開啓和關閉時 均能工作，既可保護電子裝置安全又便於管理。 【實施方式】 ，凊參閱第-圖及第二圖，本發明較佳實施方式電子裝置以電腦 爲例進行說明’該電腦包括-基座1G、—蓋合於該基座1〇上之蓋 板40及一密碼鎖π ’該基座1〇用於放置電子元件，該電子元件包 括一主機板11、一電源12、一光碟機13、一軟碟機14、一硬碟機 15 等，該主機板 11 包括一 CPU (Central Processing Unit，中央處 理器）111、一北橋晶片112、一南橋晶片U3、一系統電源16等， 該系統電源16由該電源12提供。 本發明較佳實施方式密碼鎖17將該基座1〇和該蓋板4〇鎖固 連接，該密碼鎖17包括一輸入電路模組18、一控制晶片19及一電 6 子鎖20 ’該輸入電路模組18用於給該控制晶片19提供輸入密碼， 該電子鎖20用於將該電子裝置細，該㈣晶片19根據該輸入電 路模組1轉供之輸入s碼控繼電子鎖2G之啟該控制晶片19 之工作電壓可由㈣統電源16提供，也可由—外部直流電壓源提 供’ -般爲+5V，該輸入電路做18可爲一鍵盤裝置，該控制晶片 19可即時掃腦輸入電路模組18之輸人密碼，該控制晶片19可為 晶片 PIC16F54。 用戶可預先設定-密碼，該密碼分管理員和—般用戶兩個級 別，在區域網路管理巾，f理肢时理員密碼可修改和設定管理 員和-般用戶密碼’-般用戶只能修改和設般用戶密碼。請一 併參閱第三圖，該控制晶片19包括—控制電路21及一驅動電路 22，該輸入電路歓18之輸入密碼傳送入該控制電路μ之輸入 端’該控制電路21將該輸人密碼與預先奴之約馬比較，若與預 先設定之密碼相同，則該控制電路21提供-功能選擇介面“亥功 能選擇介面包括—電子_啟選項、—電子麵賴概—密碼設 宁邊j首。 一當用戶選擇該電子鎖開啟選項時該控制電路21産生一第—控 制U ’轉-控制信麟私該购電路22之輸人端，該驅動 電路根顧帛—㈣職纽―帛—_錢，該第—驅動信 號傳运入_子鎖2〇執行_該電子伽之功能；當用戶選 電子鎖關閉選項時兮扣r也丨贵〇 ^ “ 广項W控制電路21産生_第二控制信號，該第二控 制mi入麵動電路a之輸入端，該驅動電路a根據該第二 1321715 控制信號産生-第二驅動健，該第二驅動信號傳送人該電子鎖2〇 執行關閉該電子鎖20之功能；當用戶選擇該密碼設定選項時用戶 可設定一新密碼、修改或刪除預先設定之密碼。 該電子鎖2〇可安裝在該基座10或該蓋板4〇上，在該電子鎖 20關閉時，沒有輸入正確密碼便不能開啓該電子鎖，且不另需 要-應綠脸繼電？鎖20 由該控制晶# 19單獨控制，故在= One-sided heart 1 ’ Na is mechanically locked to control the opening and closing of the electronic key lock provided by the crystal card according to the wheel circuit module. Compared with the prior art, the password lock is used to input the input password to the input circuit module, and the control chip controls the opening and closing of the electronic lock, and the dense stone lock can work when the electronic device is turned on and off. Protecting electronic devices is safe and easy to manage. [Embodiment] Referring to the first and second figures, an electronic device according to a preferred embodiment of the present invention is described by taking a computer as an example. The computer includes a base 1G, a cover that is attached to the base 1 The board 40 and a password lock π 'the base 1 〇 are used for placing electronic components, and the electronic components include a motherboard 11, a power source 12, a CD player 13, a floppy disk drive 14, a hard disk drive 15, and the like. The motherboard 11 includes a CPU (Central Processing Unit) 111, a north bridge chip 112, a south bridge chip U3, a system power source 16, and the like, and the system power source 16 is provided by the power source 12. In the preferred embodiment of the present invention, the combination lock 17 and the cover 4 are lockedly connected. The combination lock 17 includes an input circuit module 18, a control chip 19 and an electric 6 sub-lock 20' The input circuit module 18 is configured to provide an input password to the control chip 19, the electronic lock 20 is used to thin the electronic device, and the (4) wafer 19 is input according to the input circuit module 1 to control the electronic lock 2G. The operating voltage of the control chip 19 can be provided by the (four) system power supply 16 or by an external DC voltage source of -5V. The input circuit 18 can be a keyboard device, and the control chip 19 can instantly scan the brain. The input password of the input circuit module 18 can be the wafer PIC16F54. The user can pre-set the password, which is divided into two levels: the administrator and the general user. In the area network management towel, the password can be modified and set the administrator and the general user password. Can modify and set the user password. Referring to the third figure, the control chip 19 includes a control circuit 21 and a driving circuit 22. The input password of the input circuit 18 is transmitted to the input end of the control circuit μ. The control circuit 21 inputs the password. Compared with the pre-sentence, if the password is the same as the pre-set password, the control circuit 21 provides a function selection interface. The function selection interface includes the electronic interface, the electronic interface, and the password. When the user selects the electronic lock open option, the control circuit 21 generates a first control U' turn control letter 22 to the input end of the purchase circuit 22, the drive circuit roots 帛 - (4) job 帛 - 帛 - _ money, the first - drive signal is transferred into the _ sub-lock 2 〇 execution _ the function of the electronic gamma; when the user selects the electronic lock off option, the buckle r is also expensive “ ^ "wide item W control circuit 21 generated _ a second control signal, the second control mi is input to the input end of the surface circuit a, the driving circuit a generates a second driving force according to the second 1321715 control signal, and the second driving signal transmits the electronic lock 2 to perform the closing The function of the electronic lock 20; When the user selects the password setting option, the user can set a new password, modify or delete the preset password. The electronic lock 2 can be mounted on the base 10 or the cover 4, and when the electronic lock 20 is closed, the electronic lock cannot be opened without inputting the correct password, and there is no need for another - green face relay? The lock 20 is controlled by the control crystal #19 alone, so
電腦開啟和酬時該密補17均能卫作，以此_錢管理和使 用之目的。 綜上所述，本發明符合發明專利要件，爰依法提出專利申請。 惟’以上㈣者僅為本發明之雛實财^，舉凡熟悉本案技藝之 人士 ’在銳本發明精神所狀等效料或變化，皆應涵蓋於以下 之申請專利範圍内。 【圖式簡單說明】 第-圖係本發明較佳實施方式電子裝置之分解示意圖。 第二圖係本發明較佳實施方式電子裝置之㈣連接圖。 第三圖係本發明較佳實施方式密碼鎖之電路圖。 【主要元件符號說明】 基座 10 電源 軟碟機 14 系統電源 16 輸入電路模組 電子鎖 20 主機板 11 光碟機 13 硬碟機 15 密碼鎖 17 控制晶片 19 控制電路 21 8 1321715 驅動電路 22 蓋板 40When the computer is turned on and paid, the secret 17 can be used for maintenance and use. In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above (4) are only for the sake of the invention. Anyone who is familiar with the skill of the present invention shall be included in the scope of the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of an electronic device in accordance with a preferred embodiment of the present invention. The second figure is a (four) connection diagram of an electronic device according to a preferred embodiment of the present invention. The third figure is a circuit diagram of a combination lock of a preferred embodiment of the present invention. [Main component symbol description] Base 10 Power floppy disk drive 14 System power supply 16 Input circuit module Electronic lock 20 Motherboard 11 Optical disk drive 13 Hard disk drive 15 Password lock 17 Control chip 19 Control circuit 21 8 1321715 Drive circuit 22 Cover 40