CN212614170U - Notebook digital coded lock circuit - Google Patents
Notebook digital coded lock circuit Download PDFInfo
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- CN212614170U CN212614170U CN202020628239.4U CN202020628239U CN212614170U CN 212614170 U CN212614170 U CN 212614170U CN 202020628239 U CN202020628239 U CN 202020628239U CN 212614170 U CN212614170 U CN 212614170U
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Abstract
The utility model discloses a notebook digital code lock circuit, it includes: the main control MCU is electrically connected with a key touch detection IC module, an indicator light circuit module and a motor control module of the main control MCU; the key touch detection IC module is used for capturing and transmitting an external key operation signal to the main control MCU, the indicator light circuit module shows the currently operated key to a user in a light-emitting mode, and the motor control module is used for controlling the motor action of the coded lock so as to realize unlocking and locking. Compared with the prior art, the utility model discloses a this digital trick lock circuit of note, it adopts electron digital trick lock, through master control MCU and outside button touch detection IC module, pilot lamp circuit module, the common digital trick lock that realizes of motor control module, its security is higher, and is more reliable.
Description
Technical Field
The utility model relates to a digital trick lock control circuit technical field especially relates to a notebook digital trick lock circuit.
Background
The notebook is one of the necessary articles for study and office in common use. With the continuous development of electronic technology, people apply electronic products to the existing common notebook computer, so that the functions of the notebook computer are more powerful, and the office efficiency is improved. However, in order to add electronic devices such as a power supply and a usb disk, a combination lock is also designed in the aspect of protecting user privacy, but the existing combination lock is mechanical and is easily disassembled and damaged, so that the purpose of really protecting privacy is not achieved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a digital trick lock circuit suitable for notebook is integrated.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a notebook digital code lock circuit, comprising: the main control MCU is electrically connected with a key touch detection IC module, an indicator light circuit module, a storage module and a motor control module of the main control MCU; the key touch detection IC module is used for capturing and transmitting an external key operation signal to the main control MCU, the indicator light circuit module displays a currently operated key to a user in a light-emitting mode, the storage module is used for storing a digital password set by the user, and the motor control module is used for controlling the motor action of the coded lock so as to realize unlocking and locking.
The type of the master control MCU is as follows: CSU18MB86_ SSOP24, the key touch detection IC module comprising: the detection IC is characterized in that the detection IC is TTP224B _ BSBN, a first pin, a second pin, a third pin and a fourth pin of the detection IC are respectively and electrically connected with the touch key, a thirteenth pin, a fourteenth pin, a fifteenth pin and a sixteenth pin of the detection IC are respectively and electrically connected with a twelfth pin, a seventeenth pin, a fourteenth pin and a thirteenth pin of the main control MCU, the twelfth pin and the ninth pin of the detection IC are respectively connected with a resistor in series and then grounded, and the tenth pin of the detection IC is directly grounded.
The type of the master control MCU is as follows: CSU18MB86_ SSOP24, the indicator light circuit module comprising: the negative electrode of the light-emitting LED1 of the eighteenth pin, the negative electrode of the light-emitting LED2 of the nineteenth pin, the negative electrode of the light-emitting LED3 of the twentieth pin, the negative electrode of the light-emitting LED4 of the twenty-first pin, the negative electrode of the light-emitting LED5 of the twenty-second pin and the negative electrode of the light-emitting LED6 of the twenty-third pin are electrically connected to the master control MCU; the other end of the light-emitting LED1 is electrically connected with a resistor R11, the anode of the light-emitting LED2 is electrically connected with one end of a resistor R12, the anode of the light-emitting LED3 is electrically connected with one end of a resistor R13, the anode of the light-emitting LED4 is electrically connected with one end of a resistor R14, the anode of the light-emitting LED5 is electrically connected with one end of a resistor R15, the anode of the light-emitting LED6 is electrically connected with one end of a resistor R16, and the other ends of the resistor R11, the resistor R12, the resistor R13, the resistor R14, the resistor R15 and the resistor R16 are electrically connected with the.
The type of the master control MCU is as follows: CSU18MB86_ SSOP24, the motor control module comprising: the resistor R17 is electrically connected to the ninth pin of the master MCU, the other end of the resistor R17 is electrically connected to the G pole of the triode Q1, the S pole of the triode Q1 is grounded, the D pole of the triode Q1 is electrically connected to the negative pole of the motor, the positive pole of the motor is electrically connected to the power supply, and a resistor R18 is also connected in series between the node between the resistor R17 and the G pole of the triode Q1 and the ground.
The type of the master control MCU is as follows: and the sixteenth pin of the master control MCU is also electrically connected with a tact switch, and the tact switch is used for setting a password by a user.
The type of the master control MCU is as follows: CSU18MB86_ SSOP24, the master MCU is also connected with a charging management module for charging the battery of the coded lock, the charging management module comprises: the type is the control IC of HD7100C, the first pin electricity of control IC is connected in resistance R2 back electricity and is connected in the eleventh pin of master control MCU, the second pin ground of control IC, the third pin electricity of control IC is connected in the battery of trick lock, still be equipped with parallelly connected anti-interference electric capacity C1 and electric capacity C2 between the third pin of control IC and the ground, the fifth pin series connection resistance R19 back ground of control IC, the fourth pin of control IC connects external USB interface, the battery is given by external USB interface input electric energy, still establish ties between the fourth pin of control IC and the ground and have electric capacity C3.
Wherein, master control MCU still electricity is connected with battery voltage detection module, battery voltage detection module includes: the resistor R4 is electrically connected to the battery of the coded lock, the resistors R5 and R6 are connected in series between the other end of the resistor R24 and the ground, and a node between the resistor R4 and the resistor R5 is electrically connected to a seventh pin of the main control MCU and used for sampling the voltage of the battery.
Compared with the prior art, the utility model discloses a this digital trick lock circuit of note, it adopts electron digital trick lock, through master control MCU and outside button touch detection IC module, pilot lamp circuit module, storage module, the common digital trick lock that realizes of motor control module, its security is higher, and is more reliable.
The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.
Drawings
Fig. 1 is a circuit diagram of the main control MCU part of the notebook digital code lock circuit of the present invention.
Fig. 2 is a circuit diagram of a part of the circuit module of the indicating lamp of the notebook digital code lock circuit of the present invention.
Fig. 3 is a circuit diagram of a motor control module part of the notebook digital code lock circuit of the present invention.
Fig. 4 is a circuit diagram of the password setting circuit of the digital password lock circuit of the notebook computer of the present invention.
Fig. 5 is a circuit diagram of a part of the charging management module of the notebook digital code lock circuit of the present invention.
Fig. 6 is a circuit diagram of a battery voltage detection module of the digital combination lock circuit of the utility model.
Fig. 7 is a circuit diagram of the key touch detection IC module of the notebook digital code lock circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1 to 7, the present embodiment provides a notebook digital code lock circuit, which includes: the main control MCU U1 is electrically connected with the key touch detection IC module, the indicator light circuit module, the storage module and the motor control module of the main control MCU U1; the key touch detection IC module is used for capturing and transmitting an external key operation signal to the master control MCU U1, the indicator light circuit module displays a currently operated key to a user in a light-emitting mode, the storage module is used for storing a digital password set by the user, and the motor control module is used for controlling the motor action of the coded lock to realize unlocking and locking.
Referring to fig. 1 again, the types of the master MCU are: CSU18MB86_ SSOP24, the key touch detection IC module comprising: the detection IC is characterized in that the detection IC is TTP224B _ BSBN, a first pin, a second pin, a third pin and a fourth pin of the detection IC are respectively and electrically connected with the touch key, a thirteenth pin, a fourteenth pin, a fifteenth pin and a sixteenth pin of the detection IC are respectively and electrically connected with a twelfth pin, a seventeenth pin, a fourteenth pin and a thirteenth pin of the main control MCU, the twelfth pin and the ninth pin of the detection IC are respectively connected with a resistor in series and then grounded, and the tenth pin of the detection IC is directly grounded.
Referring to fig. 2 again, the types of the master MCU are: CSU18MB86_ SSOP24, the indicator light circuit module comprising: the negative electrode of the light-emitting LED1 of the eighteenth pin, the negative electrode of the light-emitting LED2 of the nineteenth pin, the negative electrode of the light-emitting LED3 of the twentieth pin, the negative electrode of the light-emitting LED4 of the twenty-first pin, the negative electrode of the light-emitting LED5 of the twenty-second pin and the negative electrode of the light-emitting LED6 of the twenty-third pin are electrically connected to the master control MCU; the other end of the light-emitting LED1 is electrically connected with a resistor R11, the anode of the light-emitting LED2 is electrically connected with the other end of the resistor R12, the anode of the light-emitting LED3 is electrically connected with the other end of the resistor R13, the anode of the light-emitting LED4 is electrically connected with the other end of the resistor R14, the anode of the light-emitting LED5 is electrically connected with the other end of the resistor R15, and the anode of the light-emitting LED6 is electrically connected with the other end of the resistor R16. The light-emitting LED1, the light-emitting LED2, the light-emitting LED3 and the light-emitting LED4 correspond to numbers 1, 2, 3 and #, respectively, red light is used for indicating the low voltage of the battery, and blue light is used for indicating the key.
Referring to fig. 3 again, the types of the master MCU are: CSU18MB86_ SSOP24, the motor control module comprising: the resistor R17 is electrically connected to the ninth pin of the master MCU, the other end of the resistor R17 is electrically connected to the G pole of the triode Q1, the S pole of the triode Q1 is grounded, the D pole of the triode Q1 is electrically connected to the negative pole of the motor, the positive pole of the motor is electrically connected to the power supply, and a resistor R18 is also connected in series between the node between the resistor R17 and the G pole of the triode Q1 and the ground. The model of the triode Q1 is: AO3402(SOT 23).
Referring again to fig. 4, the master MCU U1 has the following model: the sixteenth pin of the master MCU U1 of the CSU18MB86_ SSOP24 is also electrically connected with a tact switch K1, and the tact switch K1 is used for setting a password by a user.
Referring to fig. 5 again, the types of the master MCU are: CSU18MB86_ SSOP24, the master MCU is also connected with a charging management module for charging the battery of the coded lock, the charging management module comprises: the type is the control IC of HD7100C, the first pin electricity of control IC is connected in resistance R2 back electricity and is connected in the eleventh pin of master control MCU, the second pin ground of control IC, the third pin electricity of control IC is connected in the battery of trick lock, still be equipped with parallelly connected anti-interference electric capacity C1 and electric capacity C2 between the third pin of control IC and the ground, the fifth pin series connection resistance R19 back ground of control IC, the fourth pin of control IC connects external USB interface, the battery is given by external USB interface input electric energy, still establish ties between the fourth pin of control IC and the ground and have electric capacity C3. The USB interface is a 5V power supply voltage.
Referring to fig. 6 again, the main control MCU is further electrically connected to a battery voltage detection module, which includes: the resistor R4 is electrically connected to the battery of the coded lock, the resistors R5 and R6 are connected in series between the other end of the resistor R24 and the ground, and a node between the resistor R4 and the resistor R5 is electrically connected to a seventh pin of the main control MCU and used for sampling the voltage of the battery.
Compared with the prior art, this embodiment's a note book digital code lock circuit, it adopts electron digital code lock, detects IC module, pilot lamp circuit module, storage module, motor control module through master control MCU and outside button touch and realizes digital code lock jointly, and its security is higher, and is more reliable.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (7)
1. A notebook digital code lock circuit, characterized by comprising: the main control MCU is electrically connected with a key touch detection IC module, an indicator light circuit module and a motor control module of the main control MCU; the key touch detection IC module is used for capturing and transmitting an external key operation signal to the main control MCU, the indicator light circuit module shows the currently operated key to a user in a light-emitting mode, and the motor control module is used for controlling the motor action of the coded lock so as to realize unlocking and locking.
2. The notebook digital coded lock circuit of claim 1, wherein the master MCU has a model number of: CSU18MB86_ SSOP24, the key touch detection IC module comprising: the detection IC is characterized in that the detection IC is TTP224B _ BSBN, a first pin, a second pin, a third pin and a fourth pin of the detection IC are respectively and electrically connected with the touch key, a thirteenth pin, a fourteenth pin, a fifteenth pin and a sixteenth pin of the detection IC are respectively and electrically connected with a twelfth pin, a seventeenth pin, a fourteenth pin and a thirteenth pin of the main control MCU, the twelfth pin and the ninth pin of the detection IC are respectively connected with a resistor in series and then grounded, and the tenth pin of the detection IC is directly grounded.
3. The notebook digital coded lock circuit of claim 1, wherein the master MCU has a model number of: CSU18MB86_ SSOP24, the indicator light circuit module comprising: the negative electrode of the light-emitting LED1 of the eighteenth pin, the negative electrode of the light-emitting LED2 of the nineteenth pin, the negative electrode of the light-emitting LED3 of the twentieth pin, the negative electrode of the light-emitting LED4 of the twenty-first pin, the negative electrode of the light-emitting LED5 of the twenty-second pin and the negative electrode of the light-emitting LED6 of the twenty-third pin are electrically connected to the master control MCU; the other end of the light-emitting LED1 is electrically connected with a resistor R11, the anode of the light-emitting LED2 is electrically connected with one end of a resistor R12, the anode of the light-emitting LED3 is electrically connected with one end of a resistor R13, the anode of the light-emitting LED4 is electrically connected with one end of a resistor R14, the anode of the light-emitting LED5 is electrically connected with one end of a resistor R15, the anode of the light-emitting LED6 is electrically connected with one end of a resistor R16, and the other ends of the resistor R11, the resistor R12, the resistor R13, the resistor R14, the resistor R15 and the resistor R16 are electrically connected with the.
4. The notebook digital coded lock circuit of claim 1, wherein the master MCU has a model number of: CSU18MB86_ SSOP24, the motor control module comprising: the resistor R17 is electrically connected to the ninth pin of the master MCU, the other end of the resistor R17 is electrically connected to the G pole of the triode Q1, the S pole of the triode Q1 is grounded, the D pole of the triode Q1 is electrically connected to the negative pole of the motor, the positive pole of the motor is electrically connected to the power supply, and a resistor R18 is also connected in series between the node between the resistor R17 and the G pole of the triode Q1 and the ground.
5. The notebook digital coded lock circuit of claim 1, wherein the master MCU has a model number of: and the sixteenth pin of the master control MCU is also electrically connected with a tact switch, and the tact switch is used for setting a password by a user.
6. The notebook digital coded lock circuit of claim 1, wherein the master MCU has a model number of: CSU18MB86_ SSOP24, the master MCU is also connected with a charging management module for charging the battery of the coded lock, the charging management module comprises: the type is the control IC of HD7100C, the first pin electricity of control IC is connected in resistance R2 back electricity and is connected in the eleventh pin of master control MCU, the second pin ground of control IC, the third pin electricity of control IC is connected in the battery of trick lock, still be equipped with parallelly connected anti-interference electric capacity C1 and electric capacity C2 between the third pin of control IC and the ground, the fifth pin series connection resistance R19 back ground of control IC, the fourth pin of control IC connects external USB interface, the battery is given by external USB interface input electric energy, still establish ties between the fourth pin of control IC and the ground and have electric capacity C3.
7. The notebook digital code lock circuit of claim 6, wherein the main control MCU is further electrically connected with a battery voltage detection module, the battery voltage detection module comprising: the resistor R4 is electrically connected to the battery of the coded lock, the resistors R5 and R6 are connected in series between the other end of the resistor R24 and the ground, and a node between the resistor R4 and the resistor R5 is electrically connected to a seventh pin of the main control MCU and used for sampling the voltage of the battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020628239.4U CN212614170U (en) | 2020-04-23 | 2020-04-23 | Notebook digital coded lock circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020628239.4U CN212614170U (en) | 2020-04-23 | 2020-04-23 | Notebook digital coded lock circuit |
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| CN212614170U true CN212614170U (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906849A (en) * | 2021-05-06 | 2021-06-04 | 北京数盾信息科技有限公司 | Password card cover opening detection method and device and password card |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112906849A (en) * | 2021-05-06 | 2021-06-04 | 北京数盾信息科技有限公司 | Password card cover opening detection method and device and password card |
| CN112906849B (en) * | 2021-05-06 | 2021-08-13 | 北京数盾信息科技有限公司 | Password card cover opening detection method and device and password card |
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