CN214067628U - Monitoring module for electronic device, PCB and electronic device - Google Patents
Monitoring module for electronic device, PCB and electronic device Download PDFInfo
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- CN214067628U CN214067628U CN202023226345.9U CN202023226345U CN214067628U CN 214067628 U CN214067628 U CN 214067628U CN 202023226345 U CN202023226345 U CN 202023226345U CN 214067628 U CN214067628 U CN 214067628U
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Abstract
The utility model provides a monitoring module for electron device, electron device include main control unit MCON and user operation part OP for electron device's monitoring module includes monitoring controller CON, and monitoring module for electron device includes outside reset unit and/or awakens up unit and/or monitor cell, realizes corresponding unit through monitoring controller CON. The utility model discloses PCB and electron device are still provided. The utility model provides a monitoring module, PCB and electron device for electron device realizes outside reset unit, awakens up unit and monitoring unit through the supervisory controller, and logic circuit is simple, and components and parts are less, have reduced display device's cost, and the wiring is simple, reduces production paster and check time, and the accent is surveyed simply, and the integration is easy, reduces the production time.
Description
Technical Field
The utility model relates to an automotive filed, concretely relates to a monitoring module, PCB and electron device for electron device.
Background
The external reset unit, the awakening unit and the hardware monitoring unit of the display device are usually independent modules, and are realized by chips and components, so that more components are caused, the cost of the display device is higher, the time for producing the line patch and detecting is correspondingly increased, and the debugging and the detection are complex and difficult to integrate.
Disclosure of Invention
To the problem that exists among the prior art, the to-be-solved problem of the utility model is to provide a monitoring module realizes outside reset unit, awakens up unit and monitoring unit through the supervisory controller, and logic circuit is simple, and components and parts are less, have reduced display device's cost, and the wiring is simple, reduces production paster and check time, and the debugging is simple, and integrated easy reduces production time.
The utility model provides a monitoring module for electron device, electron device include main control unit MCON and user operation part OP for electron device's monitoring module includes monitoring controller CON, and monitoring module for electron device includes outside reset unit and/or awakens up unit and/or monitor cell, realizes corresponding unit through monitoring controller CON.
Further, the external reset unit includes:
an input end PI _ RST of the external reset signal SRST is connected with an input end RST _ IN of the monitoring controller CON;
the controller reset signal output end PO _ RST is used for outputting a reset signal to the main controller MCON, is connected with a reset pin RST of the main controller MCON and is connected with an output end RST _ UC of the monitoring controller CON through a current limiting circuit; and
a related unit reset signal output terminal PO _ ORST for outputting a reset signal to an external related unit, connected to an output terminal RST _ OUT of the monitoring controller CON through the driving circuit DR;
when the external reset signal SRST is valid, the controller reset signal output terminal PO _ RST and the related component reset signal output terminal PO _ ORST output valid reset signals, the main controller MCON is reset, and the external related components are reset.
Further, the external reset unit further includes a filter circuit and/or a voltage stabilizing circuit disposed between the reset signal output terminal PO _ ORST of the relevant component and the driving circuit DR.
Further, the external reset unit further includes:
the related component reset feedback output terminal PO _ ORST _ FB is connected to the external reset feedback pin RST _ OUT _ FB of the main controller MCON, and is connected to the driving circuit DR through the filter circuit and/or the voltage dividing circuit.
Further, the wake-up unit includes:
the input end PI _ UP of the user operation signal SUP is connected with the input end SEN of the monitoring controller CON through the capacitance compensation circuit CC;
the user operation signal output end PO _ BTN is connected with a button operation pin BTN _ ON _ OFF of the main controller MCON and is connected with an output end BTN of the monitoring controller CON through a signal conversion circuit SC;
when main control unit MCON is in the dormant state, if user operation signal SUP is effective, main control unit MCON is awaken up, if when main control unit MCON is in operating condition, user operation signal SUP is effective, main control unit MCON gets into the dormant state.
Further, if the master controller MCON is in the working state, the user operation signal SUP is valid and continues to set the time, the controller reset signal output terminal PO _ RST outputs a reset signal to the master controller MCON, and the master controller MCON is reset.
Further, the monitoring unit includes:
the monitoring signal input end PI _ MO is used for inputting a WDI _ PWM signal from the main controller MCON;
the monitor signal output terminal PO _ MO is connected to a monitor pin WDO of the main controller MCON, and is connected to an ALI _ OUT of the monitor controller CON through a current limiting circuit.
Further, the monitoring unit further includes:
the monitoring enable input terminal PI _ MO _ EN is connected to a monitoring enable pin WD _ EN of the monitoring controller CON through a diode, and is connected to the positive electrode of the power supply.
The utility model also provides a PCB, including main control unit MCON and the above-mentioned monitoring module who is used for electron device.
The utility model also provides an electronic device, include main control unit MCON, user operation part OP and the above-mentioned monitoring module who is used for electronic device.
Compared with the prior art, the utility model provides a monitoring module, PCB and electron device for electron device has following beneficial effect: realize outside reset unit, awaken up unit and monitoring unit through supervisory controller, logic circuit is simple, and components and parts are less, have reduced display device's cost, and the wiring is simple, reduces production paster and check-out time, and the debugging is simple, and the integration is easy, reduces the production time.
Drawings
Fig. 1 is a schematic diagram of a monitoring module and a main controller for an electronic device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a monitoring module and a main controller for an electronic device according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a monitoring module and a main controller for an electronic device according to another embodiment of the present invention;
fig. 4 is a schematic diagram of a monitoring module and a main controller for an electronic device according to another embodiment of the present invention.
Detailed Description
As shown in fig. 1, the electronic device according to an embodiment of the present invention is a display device, and in other embodiments, the electronic device may be a combination meter, an apparatus with a processor, or the like.
The display device includes a main controller MCON, a user operation part OP, a display screen (not shown), and a monitoring module for the electronic device, which is a part indicated by a dashed frame.
The user operating part OP and the monitoring module for the electronic device are disposed on the PCB board. The display screen is used for displaying the received image, in this embodiment, the display screen is a touch screen, and the user operation part OP is a designated area on the touch screen, that is, a touch button. In other embodiments, it may be a mechanical button.
The monitoring module for an electronic device comprises a monitoring controller CON, the monitoring module for an electronic device further comprises an external reset unit and/or a wake-up unit and/or a monitoring unit, and the monitoring controller CON implements the respective units.
In this embodiment, the monitoring module for an electronic device further includes an external reset unit.
The external reset unit includes:
an input end PI _ RST of the external reset signal SRST is connected with an input end RST _ IN of the monitoring controller CON;
the controller reset signal output end PO _ RST is used for outputting a reset signal to the main controller MCON, is connected with a reset pin RST of the main controller MCON and is connected with an output end RST _ UC of the monitoring controller CON through a current limiting circuit; and
a related unit reset signal output terminal PO _ ORST for outputting a reset signal to an external related unit, connected to an output terminal RST _ OUT of the monitoring controller CON through the driving circuit DR;
when the external reset signal SRST is valid, the controller reset signal output terminal PO _ RST and the related component reset signal output terminal PO _ ORST output valid reset signals, the main controller MCON is reset, and the external related components are reset.
The current limiting circuit is a resistor R1, and other current limiting circuits may be used, which is not limited by the present invention. And the driving circuit DR is used for driving an external output end.
When the external reset signal SRST is active, e.g. high, the input terminal RST _ IN of the monitoring controller CON is high, and the monitoring controller CON detects the high level of the input terminal RST _ IN, an active reset signal, e.g. high, is output at the output terminal RST _ UC, i.e. the active reset signal at the controller reset signal output terminal PO _ RST, and the main controller MCON resets; the reset signal output terminal PO _ ORST of the relevant part is active, and the external relevant part is reset.
The external reset unit further includes a filter circuit and/or a voltage stabilizing circuit disposed between the reset signal output terminal PO _ ORST of the relevant part and the driving circuit DR to improve signal quality.
In this embodiment, voltage stabilizing circuit includes stabilivolt Z, also can adopt other voltage stabilizing circuit, the utility model discloses do not do the restriction to this.
The monitoring module for the electronic device in the embodiment realizes the external reset unit through the monitoring controller, and has the advantages of simple logic circuit, fewer components and parts and simple wiring.
In another embodiment, as shown in fig. 2, the external reset unit further includes:
the related component reset feedback output terminal PO _ ORST _ FB is connected to the external reset feedback pin RST _ OUT _ FB of the main controller MCON, and is connected to the driving circuit DR through the filter circuit and/or the voltage dividing circuit.
The related component reset feedback output terminal PO _ ORST _ FB enables the main controller MCON to perform corresponding operations, such as recording, linkage operations, and the like, with respect to the reset of the external related component.
In another embodiment, as shown in fig. 3, the external reset unit and the wake-up unit are implemented by the monitoring controller CON, and the wake-up unit includes:
the input end PI _ UP of the user operation signal SUP is connected with the input end SEN of the monitoring controller CON through the capacitance compensation circuit CC;
the user operation signal output end PO _ BTN is connected with a button operation pin BTN _ ON _ OFF of the main controller MCON and is connected with an output end BTN of the monitoring controller CON through a signal conversion circuit SC;
when main control unit MCON is in the dormant state, if user operation signal SUP is effective, main control unit MCON is awaken up, if when main control unit MCON is in operating condition, user operation signal SUP is effective, main control unit MCON gets into the dormant state.
The signal conversion circuit SC is used for signal conversion, so that the output signal is adapted to the input end of the main controller. The capacitance compensation circuit CC comprises two parts connected in series, one part is that the resistor R6 is connected in parallel with the C4, and the other part is that the resistor R7 is connected in parallel with the C5.
The monitoring module for the electronic device in the embodiment realizes the external reset unit and the awakening unit through the monitoring controller CON, has simple logic circuit and fewer components, reduces the cost of the display device, has simple wiring, reduces the production patch and the detection time, is simple to adjust and test, is easy to integrate, and reduces the production time.
In other embodiments, it is also possible to implement only the wake-up unit by the monitoring controller CON.
In another embodiment, if the user operation signal SUP is active for a set time, for example, 10 seconds while the main controller MCON is in the operating state, the controller reset signal output terminal PO _ RST outputs a reset signal to the main controller MCON, and the main controller MCON is reset.
In yet another embodiment, as shown in fig. 4, the external reset unit, the wake-up unit, and the monitoring unit are implemented by a monitoring controller, and the monitoring unit includes:
the monitoring signal input end PI _ MO is used for inputting a WDI _ PWM signal from the main controller MCON;
the monitor signal output terminal PO _ MO is connected to a monitor pin WDO of the main controller MCON, and is connected to an ALI _ OUT of the monitor controller CON through a current limiting circuit.
The current limiting circuit includes a resistor R8, and in other embodiments, other current limiting circuits may be used, which is not limited by the present invention.
When the master controller MCON works normally, a WDI _ PWM output end of the master controller MCON outputs a PWM signal; the monitoring controller CON detects the PWM signal at the monitoring signal input terminal PI _ MO, and outputs the PWM signal at the output terminal ALI _ OUT, and the monitoring signal output terminal PO _ MO outputs the PWM signal to the monitoring pin WDO of the main controller MCON.
The monitoring module for the electronic device in the embodiment realizes the external reset unit, the awakening unit and the monitoring unit through the monitoring controller CON, has simple logic circuit, fewer components, reduces the cost of the display device, has simple wiring, reduces the production patch and the detection time, is simple to adjust and test, is easy to integrate, and reduces the production time.
In other embodiments, the monitoring controller CON may be used to implement only the monitoring unit, or to implement the wake-up unit and the monitoring unit.
The monitoring unit further comprises:
the monitoring enable input terminal PI _ MO _ EN is connected to a monitoring enable pin WD _ EN of the monitoring controller CON through a diode, and is connected to the positive electrode of the power supply.
The monitoring enable input PI _ MO _ EN enables a monitoring module user for an electronic device to enable or disable the monitoring unit through configuration information or key operation.
If the monitoring controller CON detects a valid enable signal at the monitoring enable input PI _ MO _ EN, the monitoring controller CON detects a PWM signal at the input WDI, and outputs the PWM signal at the output ALI _ OUT, and the monitoring signal output PO _ MO outputs the PWM signal to the monitoring pin WDO of the main controller MCON.
If the monitoring controller CON does not detect a valid enable signal at the monitoring enable input PI _ MO _ EN, the monitoring controller CON stops detecting the input WDI.
Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited thereto. Various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A monitoring module for an electronic device, characterized in that the electronic device comprises a main controller MCON and a user operated part OP, the monitoring module for the electronic device comprises a monitoring controller CON, the monitoring module for the electronic device comprises an external reset unit and/or a wake-up unit and/or a monitoring unit, and the monitoring controller CON is used for realizing the corresponding units.
2. The monitoring module for an electronic device according to claim 1, wherein the external reset unit comprises:
an input end PI _ RST of the external reset signal SRST is connected with an input end RST _ IN of the monitoring controller CON;
the controller reset signal output end PO _ RST is used for outputting a reset signal to the main controller MCON, is connected with a reset pin RST of the main controller MCON and is connected with an output end RST _ UC of the monitoring controller CON through a current limiting circuit; and
a related unit reset signal output terminal PO _ ORST for outputting a reset signal to an external related unit, connected to an output terminal RST _ OUT of the monitoring controller CON through the driving circuit DR;
when the external reset signal SRST is valid, the controller reset signal output terminal PO _ RST and the related component reset signal output terminal PO _ ORST output valid reset signals, the main controller MCON is reset, and the external related components are reset.
3. The monitoring module for an electronic device according to claim 2, wherein the external reset unit further comprises a filter circuit and/or a voltage stabilizing circuit provided between the associated part reset signal output terminal PO _ ORST and the driving circuit DR.
4. The monitoring module for an electronic device of claim 2, wherein the external reset unit further comprises:
the related component reset feedback output terminal PO _ ORST _ FB is connected to the external reset feedback pin RST _ OUT _ FB of the main controller MCON, and is connected to the driving circuit DR through the filter circuit and/or the voltage dividing circuit.
5. The monitoring module for an electronic device of claim 1, wherein the wake-up unit comprises:
the input end PI _ UP of the user operation signal SUP is connected with the input end SEN of the monitoring controller CON through the capacitance compensation circuit CC;
the user operation signal output end PO _ BTN is connected with a button operation pin BTN _ ON _ OFF of the main controller MCON and is connected with an output end BTN of the monitoring controller CON through a signal conversion circuit SC;
when main control unit MCON is in the dormant state, if user operation signal SUP is effective, main control unit MCON is awaken up, if when main control unit MCON is in operating condition, user operation signal SUP is effective, main control unit MCON gets into the dormant state.
6. The monitoring module for electronic device of claim 4, wherein if the user operation signal SUP is active for a set time while the main controller MCON is in the active state, the controller reset signal output terminal PO _ RST outputs a reset signal to the main controller MCON, and the main controller MCON is reset.
7. The monitoring module for an electronic device according to claim 1, wherein the monitoring unit comprises:
the monitoring signal input end PI _ MO is used for inputting a WDI _ PWM signal from the main controller MCON;
the monitor signal output terminal PO _ MO is connected to a monitor pin WDO of the main controller MCON, and is connected to an ALI _ OUT of the monitor controller CON through a current limiting circuit.
8. The monitoring module for an electronic device according to claim 7, wherein the monitoring unit further comprises:
the monitoring enable input terminal PI _ MO _ EN is connected to a monitoring enable pin WD _ EN of the monitoring controller CON through a diode, and is connected to the positive electrode of the power supply.
9. A PCB comprising a master controller MCON and a monitoring module for an electronic device according to any of claims 1 to 8.
10. An electronic device, characterized in that it comprises a master controller MCON, a user operated part OP and a monitoring module for an electronic device according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226345.9U CN214067628U (en) | 2020-12-28 | 2020-12-28 | Monitoring module for electronic device, PCB and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226345.9U CN214067628U (en) | 2020-12-28 | 2020-12-28 | Monitoring module for electronic device, PCB and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214067628U true CN214067628U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023226345.9U Active CN214067628U (en) | 2020-12-28 | 2020-12-28 | Monitoring module for electronic device, PCB and electronic device |
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| Country | Link |
|---|---|
| CN (1) | CN214067628U (en) |
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- 2020-12-28 CN CN202023226345.9U patent/CN214067628U/en active Active
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