CN111857311A - Dual-system device - Google Patents

Abstract

The invention discloses a dual-system device which comprises a first power supply module, a second power supply module, a first processor and a second processor. The first power module supplies power to the first processor, the second power module supplies power to the second processor, the first processor and the second processor have different functions, the first processor executes operation corresponding to the second instruction when receiving the second instruction sent by the second processor, and the second processor executes operation corresponding to the first instruction when receiving the first instruction sent by the first processor. On one hand, the dual-system device provided by the application can complete different functions corresponding to the two processors respectively, and data interaction can be performed between the first processor and the second processor, so that the application range is enlarged, and the functions which can be realized are increased; on the other hand, the two processors are powered by two different power supply modules, when one power supply module is out of power, the other power supply module and the corresponding processor can continue to work, and the use by a user is facilitated.

Description

A dual system device

technical field

The invention relates to the field of dual systems, in particular to a dual system device.

Background technique

A common smart terminal has only one processor. The smart terminal with only one processor has relatively few functions and relatively small application fields. When the power supply of the processor is out of power, the smart terminal where the processor is located cannot work, which affects the user use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a dual-system device. On the one hand, different functions corresponding to the two processors can be completed, and data interaction can be performed between the first processor and the second processor, thereby increasing the scope of use. The functions that can be realized are increased; on the other hand, the two processors are powered by two different power modules. When one power module is out of power, the other power module and the corresponding processor can continue to work, which is convenient for users to use.

In order to solve the above-mentioned technical problems, the present invention provides a dual-system device, comprising:

a first power supply module connected to the first processor for supplying power to the first processor;

a second power supply module connected to the second processor for supplying power to the second processor;

The first processor, which is connected to the second processor and is different from the second processor, is configured to receive a second instruction and perform an operation corresponding to the second instruction, and is also configured to send the second instruction to the first processor. The second processor sends the first instruction;

The second processor is configured to receive the first instruction and perform an operation corresponding to the first instruction, and is further configured to send the second instruction to the first processor.

Preferably, the power supply voltage of the first power supply module is different from the power supply voltage of the second power supply module, further comprising:

a first isolation module, one end is connected to the receiving end of the first processor, and the other end is connected to the transmitting end of the second processor, and is used for power isolation;

One end is connected to the sending end of the first processor, and the other end is connected to the receiving end of the second processor, and the second isolation module is used for power isolation.

Preferably, the power supply voltage of the first power supply module is lower than the power supply voltage of the second power supply module, and the first isolation module includes a diode, a first resistor and a second resistor;

The anode of the diode is respectively connected to the first end of the first resistor and the receiving end of the first processor, the second end of the first resistor is connected to the output end of the first power supply module, so the The cathode of the diode is respectively connected to the first end of the second resistor and the sending end of the second processor, and the second end of the second resistor is connected to the output end of the second power module.

Preferably, the second isolation module includes a first controllable switch, a third resistor, a fourth resistor and a fifth resistor;

The first end of the first controllable switch is respectively connected to the first end of the third resistor and the transmitting end of the first processor, and the control end of the first controllable switch is respectively connected to the first end of the first controllable switch. The second end of the third resistor is connected to the first end of the fourth resistor, the second end of the fourth resistor is connected to the output end of the first power supply module, the second end of the first controllable switch is connected The terminals are respectively connected to the first terminal of the fifth resistor and the receiving terminal of the second processor, and the second terminal of the fifth resistor is connected to the output terminal of the second power module;

When the sending end of the first processor outputs a high level, the first controllable switch is turned off, and when the sending end of the first processor outputs a low level, the first controllable switch is turned on.

Preferably, the reset control terminal of the first processor is connected to the reset terminal of the second processor;

The first processor is specifically configured to download the upgrade package of the second processor from the cloud of the first processor when receiving the upgrade instruction sent by the second processor, and associate the reset instruction with all the upgrade packages. sending the upgrade package of the second processor to the second processor;

The second processor is specifically configured to perform an upgrade based on the received upgrade package after receiving the reset instruction.

Preferably, the power supply voltage of the first power supply module is different from the power supply voltage of the second power supply module, further comprising:

One end is connected to the reset control terminal of the first processor, and the other end is connected to the reset terminal of the second processor, and the third isolation module is used for power isolation.

Preferably, the third isolation module includes a second controllable switch, a sixth resistor, a seventh resistor and an eighth resistor;

Wherein, the first end of the second controllable switch is respectively connected to the first end of the sixth resistor and the reset control end of the first processor, and the control end of the second controllable switch is respectively the The second end of the sixth resistor is connected to the first end of the seventh resistor, the second end of the seventh resistor is connected to the output end of the first power supply module, and the second end of the second controllable switch is connected. The terminals are respectively connected to the first terminal of the eighth resistor and the reset terminal of the second processor, and the second terminal of the eighth resistor is connected to the output terminal of the second power module;

When the reset control terminal of the first processor outputs a high level, the second controllable switch is turned off, and when the reset control terminal of the first processor outputs a low level, the second controllable switch is turned on.

Preferably, it also includes:

a first wireless module connected to the output end of the first processor and the first power supply module, respectively, for the first processor to communicate with an external network through it;

A second wireless module connected to the output end of the second processor and the second power supply module respectively, is used for the communication between the second processor and an external network through the second wireless module.

Preferably, it also includes:

a first display device connected to the output end of the first processor and the first power supply module, respectively, for displaying the content to be displayed sent by the first processor;

A second display device connected to the output ends of the second processor and the second power supply module respectively, is used for displaying the content to be displayed sent by the second processor.

Preferably, the first display device is a touch display device, the second display device is a non-touch display device, and further includes a key input module connected to the second processor.

The present application provides a dual-system device including a first power supply module, a second power supply module, a first processor and a second processor. The first power supply module supplies power to the first processor, and the second power supply module supplies power to the second processor. The functions of the first processor and the second processor are different. When the first processor receives the second instruction sent by the second processor The operation corresponding to the second instruction is performed, and the second processor performs the operation corresponding to the first instruction when receiving the first instruction sent by the first processor. The dual-system device provided by the present application, on the one hand, can perform different functions corresponding to the two processors, and the first processor and the second processor can perform data interaction, which increases the scope of use and increases the ability to implement On the other hand, the two processors are powered by two different power modules. When one power module is out of power, the other power module and the corresponding processor can continue to work, which is convenient for users.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the prior art and the accompanying drawings required in the embodiments. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of a dual-system device provided by the present invention;

2 is a schematic structural diagram of another dual-system device provided by the present invention;

3 is a schematic circuit diagram of an isolation module provided by the present invention;

FIG. 4 is a schematic circuit diagram of another isolation module provided by the present invention.

Detailed ways

The core of the present invention is to provide a dual-system device. On the one hand, different functions corresponding to the two processors can be completed, and data can be exchanged between the first processor and the second processor, which increases the scope of use. The functions that can be realized are increased; on the other hand, the two processors are powered by two different power modules. When one power module is out of power, the other power module and the corresponding processor can continue to work, which is convenient for users to use.

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a dual-system device provided by the present invention, including:

a first power supply module 1 connected to the first processor 3, for supplying power to the first processor 3;

a second power supply module 2 connected to the second processor 4 for supplying power to the second processor 4;

The first processor 3, which is connected to the second processor 4 and is different from the second processor 4, is used for receiving a second instruction, and performing an operation corresponding to the second instruction, and is also used for sending a second instruction to the first processor 3. The second processor 4 sends the first instruction;

The second processor 4 is configured to receive the first instruction and perform an operation corresponding to the first instruction, and is further configured to send the second instruction to the first processor 3 .

Considering that when there is only one processor, the intelligent terminal where the processor is located has less functions, and when the power supply module of the processor is out of power, the intelligent terminal cannot work, which affects the use of users.

In order to solve the above problems, the present application provides two power supply modules and two processors, wherein the first power supply module 1 supplies power to the first processor 3, the second power supply module 2 supplies power to the second processor 4, and the first processing Data interaction can be performed between the processor 3 and the second processor 4, that is, the first processor 3 can send the first instruction to the second processor 4, the second processor 4 executes the operation corresponding to the first instruction, and the first The second processor 4 may send the second instruction to the first processor 3, and the first processor 3 executes the operation corresponding to the second instruction. In addition, the functions of the first processor 3 and the second processor 4 are different, the scope of use is increased, and the functions that can be realized are increased, and the first processor and the second processor are powered by different power supply modules, which improves the The battery life of the dual system device.

Specifically, it is assumed that the first processor 3 can implement the first type of functions, the second processor 4 can implement the second type of functions, the first processor 3 is powered by the first power supply module 1, and the second processor 4 is powered by the second power supply If the module 2 is powered, when both the first power module 1 and the second power module 2 are powered, the device can implement the first type of function and the second type of function. If the energy consumption of the functions that can be realized by the first processor 3 is relatively large and the energy consumption of the functions that can be realized by the second processor 4 is relatively small, then when the first power supply module 1 is out of power (that is, the first processor 3 not working), when the second power module 2 is powered on, the first type of functions cannot be implemented, but the second processor 4 can still implement the second type of functions. In practical applications, some basic functions can be set in the second processor 4, so that when the first power supply module 1 is out of power, the user can use the device to implement some basic functions.

Smart terminals with dual systems include: smart watches, smart school badges, watch cards, electronic student ID cards, etc. The following description takes the smart school badge with dual systems as an example. It is assumed that the first processor 3 is a processor based on the Android operating system, with functions such as video calls, voice calls, online viewing of learning videos and electronic maps; it is assumed that the second processor 4 is a single-chip processor, with credit card consumption, check-in and online Answer questions, etc. Then when both the first power supply module 1 and the second power supply module 2 are powered, the intelligent school card can complete all the functions of the processor based on the Android operating system and the single-chip processor; but because the energy consumption of the processor based on the Android operating system is relatively When the processor based on the Android operating system is not working (that is, the first power supply module 1 is out of power), the single-chip processor can still perform the corresponding functions of the single-chip processor, which can realize the students' credit card consumption in school and class check-in. Or a series of basic functions such as online answering questions to avoid affecting the teaching arrangement.

To sum up, the dual-system device provided by this application, on the one hand, can perform different functions corresponding to the two processors, and the first processor 3 and the second processor 4 can perform data interaction, which increases the scope of use On the other hand, the two processors are powered by two different power modules, and when one power module is out of power, the other power module and the corresponding processor can continue to work, which is convenient for users to use.

On the basis of the above-mentioned embodiment:

Please refer to FIG. 2 , which is a schematic structural diagram of another dual-system device provided by the present invention.

As a preferred embodiment, the power supply voltage of the first power supply module 1 is different from the power supply voltage of the second power supply module 2, and further includes:

One end is connected with the receiving end of the first processor 3, and the other end is connected with the transmitting end of the second processor 4, the first isolation module 5 is used for power isolation;

One end of the second isolation module 6 is connected to the transmitting end of the first processor 3 and the other end is connected to the receiving end of the second processor 4, and is used for power isolation.

Considering that data interaction needs to be performed between the first processor 3 and the second processor 4, that is, the first processor 3 and the second processor 4 need to be connected, if the power supply voltage of the first power supply module 1 and the second processor When the power supply voltage of the power supply module 2 is the same, the first processor 3 and the second processor 4 can be directly connected by wires without isolation; When the power supply voltage is different, there may be current backflow, which may damage the processor connected to the power supply module with the smaller power supply voltage.

In order to solve the above problems, in the present application, when the power supply voltage of the first power supply module 1 is different from the power supply voltage of the second power supply module 2, between the receiving end of the first processor 3 and the transmitting end of the second processor 4, a In the first isolation module 5, a second isolation module 6 is arranged between the transmitting end of the first processor 3 and the receiving end of the second processor 4, so as to isolate the power supply and prevent the device from being damaged.

Please refer to FIG. 3 , which is a schematic circuit diagram of an isolation module provided by the present invention.

As a preferred embodiment, the power supply voltage of the first power supply module 1 is lower than the power supply voltage of the second power supply module 2, and the first isolation module 5 includes a diode D, a first resistor R1 and a second resistor R2;

The anode of the diode D is connected to the first end of the first resistor R1 and the receiving end of the first processor 3 respectively, the second end of the first resistor R1 is connected to the output end of the first power supply module 1, and the cathode of the diode D is respectively connected to the output end of the first power supply module 1. The first end of the second resistor R2 is connected to the sending end of the second processor 4 , and the second end of the second resistor R2 is connected to the output end of the second power supply module 2 .

In this embodiment, when the power supply voltage of the first power supply module 1 is lower than the power supply voltage of the second power supply module 2, the first isolation module 5 may include a diode D, a first resistor R1 and a second resistor R2.

Specifically, it is assumed that the power supply voltage of the first power module 1 is 1.8V. The power supply voltage of the second power supply module 2 is 3.3V. When the sending terminal of the second processor 4 outputs a low level, the anode of the diode D passes through the first resistor R1 and the output terminal of the first power supply module 1 (ie, 1.8V ) connection, that is, the anode voltage of the diode D is greater than the cathode voltage of the diode D, the diode D is turned on, and the level of the receiving end of the first processor 3 is pulled down; when the transmitting end of the second processor 4 outputs a high level, Since the anode of the diode D is connected to the output terminal of the first power module 1 (ie 1.8V) through the first resistor R1, the cathode of the diode D is connected to the output terminal of the second power module 2 (ie 3.3V) through the second resistor R2 ) connection, that is, the cathode voltage of the diode D is greater than the anode voltage of the diode D, the diode D is turned off, and the current cannot flow back to the first processor 3, thereby effectively preventing the first processor 3 from being damaged.

Of course, the first isolation module 5 in this application can also select other devices with isolation function, such as triode, PMOS (Positive Channel Metal Oxide Semiconductor, P-channel metal oxide semiconductor field effect transistor), the first optocoupler E1 or The first isolation transformer is not specifically limited in this application.

Wherein, if the first isolation module 5 is the first optocoupler E1 , please refer to FIG. 4 , which is a schematic circuit diagram of another isolation module provided by the present application. The collector of the first optocoupler E1 is connected to the output end (ie 1.8V) of the first power supply module 1, the emitter of the first optocoupler E1 is connected to the receiving end of the first processor 3, and the The anode is connected to the output terminal (ie, 3.3V) of the second power supply module 2 , and the cathode of the first optocoupler E1 is connected to the transmitting terminal of the second processor 4 . Specifically, when the sending end of the second processor 4 outputs a low level, the first optocoupler E1 is turned on, and the receiving end of the first processor 3 is pulled down to a low level; the output of the sending end of the second processor 4 is At high level, the first optocoupler E1 is turned off, the receiving end of the first processor 3 is clamped to a high level, and the power supply voltage of the first power supply module 1 is lower than the power supply voltage of the second power supply module 2, but due to the first The optocoupler E1 is turned off, and the current cannot be backflowed to the first processor 3 , thereby preventing the first processor 3 from being damaged.

As a preferred embodiment, the second isolation module 6 includes a first controllable switch, a third resistor R3, a fourth resistor R4 and a fifth resistor R5;

The first end of the first controllable switch is connected to the first end of the third resistor R3 and the sending end of the first processor 3 respectively, and the control end of the first controllable switch is respectively connected to the second end of the third resistor R3 and the first end of the fourth resistor R4, the second end of the fourth resistor R4 is connected to the output end of the first power module 1, the second end of the first controllable switch is respectively connected with the first end of the fifth resistor R5 and The receiving end of the second processor 4 is connected, and the second end of the fifth resistor R5 is connected to the output end of the second power supply module 2;

When the sending end of the first processor 3 outputs a high level, the first controllable switch is turned off, and when the sending end of the first processor 3 outputs a low level, the first controllable switch is turned on.

In this embodiment, the second isolation module 6 may include a first controllable switch, a third resistor R3, a fourth resistor R4 and a fifth resistor R5, wherein the power supply voltage of the first power supply module 1 is lower than that of the second power supply module 2 supply voltage.

Specifically, it is assumed that the power supply voltage of the first power module 1 is 1.8V. The power supply voltage of the second power supply module 2 is 3.3V. When the sending end of the first processor 3 outputs a low level, the first controllable switch is turned on, that is, the first end and the second end of the first controllable switch are turned on. is turned on, the level of the receiving end of the second processor 4 is pulled down to a low level; when the transmitting end of the first processor 3 outputs a high level, the first controllable switch is turned off, that is, the first controllable switch of the first controllable switch is turned off. The terminal and the second terminal are cut off, the receiving terminal of the second processor 4 is connected to the output terminal (ie 3.3V) of the second power supply module 2 through the fifth resistor R5, and the receiving terminal of the second processor 4 is clamped is high level, and the high level of the receiving end of the second processor 4 is higher than the high level of the receiving end of the first processor 3, but since the first controllable switch is turned off, the current cannot be poured back to the first processor. 3. Effectively prevent the first processor 3 from being damaged. The third resistor R3 is connected to the control terminal and the first terminal of the first controllable switch, and is used to increase the driving capability of the first controllable switch.

The first controllable switch may be a first NPN (Negative-Positive-Negative, negative electrode-positive electrode-negative electrode) transistor Q1. Specifically, the base of the first NPN transistor Q1 is used as the control terminal of the first controllable switch. The emitter of an NPN transistor Q1 serves as the first end of the first controllable switch, and the collector of the first NPN transistor Q1 serves as the second end of the first controllable switch. In addition, the first controllable switch may also be a PMOS or other controllable switches, and details are not described herein again in this application.

Of course, the second isolation module 6 in this application can also be other devices with isolation function, such as a second optocoupler E2 or a second isolation transformer, which is not specifically limited in this application.

Wherein, if the second isolation module 6 is the second optocoupler E2, the anode of the second optocoupler E2 is connected to the output end (ie 1.8V) of the first power supply module 1, and the cathode of the second optocoupler E2 is connected to the first power supply module 1. The sending end of the processor 3 is connected, the collector of the second optocoupler E2 is connected to the output end (ie 3.3V) of the second power supply module 2, and the emitter of the second optocoupler E2 is connected to the receiving end of the second processor 4 connect. Specifically, when the transmitting end of the first processor 3 outputs a low level, the second optocoupler E2 is turned on, and the receiving end of the second processor 4 is pulled down to a low level; the transmitting end of the first processor 3 outputs a high level When the level is high, the second optocoupler E2 is turned off, the receiving end of the second processor 4 is clamped to a high level, and the high level of the receiving end of the second processor 4 is higher than the high level of the transmitting end of the first processor 3. However, since the second optocoupler E2 is turned off, the current cannot be poured back into the first processor 3, which effectively prevents the first processor 3 from being damaged.

As a preferred embodiment, the reset control terminal of the first processor 3 is connected to the reset terminal of the second processor 4;

The first processor 3 is specifically configured to download the upgrade package of the second processor 4 from the cloud of the first processor 3 when receiving the upgrade instruction sent by the second processor 4, and associate the reset instruction with the second processor 4. The upgrade package is sent to the second processor 4;

The second processor 4 is specifically configured to perform an upgrade based on the received upgrade package after receiving the reset instruction.

Considering that in practical applications, the second processor 4 may not have a cloud itself, and cannot be upgraded by itself. The upgrade method is cumbersome and requires the use of data lines, which wastes manpower and material resources.

In order to solve the above problems, the present application downloads the upgrade package of the second processor 4 through the cloud of the first processor 3, sends the upgrade package to the second processor 4, and the second processor 4 upgrades itself based on the upgrade package, saving energy. Human and material resources. .

Specifically, when the second processor 4 needs to be upgraded, it sends an upgrade instruction to the first processor 3, and the first processor 3 downloads the upgrade package of the second processor 4 from the cloud of the first processor 3 based on the upgrade instruction, and sends the upgrade package to the first processor 3. The second processor 4 sends a reset instruction, the second processor 4 resets itself based on the reset instruction to prepare for the upgrade, the first upgrade package sends the downloaded upgrade package to the second processor 4, and the second processor 4 based on the upgrade package to upgrade.

It can be seen that the method for upgrading the second processor 4 in the present application is simpler and faster, and does not need to use an external burning device.

As a preferred embodiment, the power supply voltage of the first power supply module 1 is different from the power supply voltage of the second power supply module 2, and further includes:

One end is connected to the reset control end of the first processor 3, and the other end is connected to the reset end of the second processor 4, and the third isolation module 7 is used for power isolation.

Considering that in practical applications, the power supply voltage of the first power supply module 1 is the same as the power supply voltage of the second power supply module 2, the reset control terminal of the first processor 3 and the reset terminal of the second processor 4 can be directly connected by wires, However, when the power supply voltage of the first power supply module 1 is different from the power supply voltage of the second power supply module 2, if the reset control terminal of the first processor 3 is directly connected to the control terminal of the second processor 4 with a wire, a current may be generated. Backflow damages the processor connected to the power supply module with the smaller supply voltage.

In order to solve the above problems, the present application sets a third isolation module 7 between the reset control terminal of the first processor 3 and the reset terminal of the second processor 4 to isolate the power supply and prevent connection with a power supply module with a smaller power supply voltage. The processor is damaged.

As a preferred embodiment, the third isolation module 7 includes a second controllable switch, a sixth resistor R6, a seventh resistor R7 and an eighth resistor R8;

The first end of the second controllable switch is respectively connected to the first end of the sixth resistor R6 and the reset control end of the first processor 3, and the control end of the second controllable switch is respectively the second end of the sixth resistor R6 and the first end of the seventh resistor R7, the second end of the seventh resistor R7 is connected to the output end of the first power supply module 1, the second end of the second controllable switch is respectively connected with the first end of the eighth resistor R8 and The reset terminal of the second processor 4 is connected, and the second terminal of the eighth resistor R8 is connected to the output terminal of the second power supply module 2;

When the reset control terminal of the first processor 3 outputs a high level, the second controllable switch is turned off, and when the reset control terminal of the first processor 3 outputs a low level, the second controllable switch is turned on.

In this embodiment, the third isolation module 7 may include a second controllable switch, a sixth resistor R6, a seventh resistor R7 and an eighth resistor R8. Wherein, the power supply voltage of the first power supply module 1 is lower than the power supply voltage of the second power supply module 2 .

Specifically, it is assumed that the power supply voltage of the first power module 1 is 1.8V. The power supply voltage of the second power supply module 2 is 3.3V. When the reset control terminal of the first processor 3 outputs a low level, the second controllable switch is turned on, that is, the first terminal and the second terminal of the second controllable switch are turned on. is turned on, the level of the reset terminal of the second processor 4 is pulled down to a low level, at this time the second processor 4 is reset and ready to be upgraded; when the reset control terminal of the first processor 3 outputs a high level, the second processor 4 is reset and ready to be upgraded. The controllable switch is turned off, that is, the connection between the first end and the second end of the second controllable switch is turned off, and the reset end of the second processor 4 passes through the eighth resistor R8 and the output end of the second power module 2 (ie, 3.3 V) connection, the reset terminal of the second processor 4 is clamped to a high level, and the high level of the reset terminal of the second processor 4 is higher than the high level of the reset control terminal of the first processor 3, but due to the second The controllable switch is turned off, and the current cannot be backflowed to the first processor 3 , thereby effectively preventing the first processor 3 from being damaged. The sixth resistor R6 is connected to the control terminal and the first terminal of the second controllable switch, and is used to increase the driving capability of the second controllable switch.

The second controllable switch may be the second NPN transistor Q2, specifically, the base of the second NPN transistor Q2 is used as the control terminal of the second controllable switch, and the emitter of the second NPN transistor Q2 is used as the second controllable switch The first end of the second NPN transistor Q2 is used as the second end of the second controllable switch. In addition, the second controllable switch may also be a PMOS or other controllable switches, which will not be repeated in this application.

In addition, the third isolation module 7 in this application may also be other devices with isolation function, such as a third optocoupler E3 or a third isolation transformer, etc., which is not specifically limited in this application.

Wherein, if the third isolation module 7 is the third optocoupler E3, the anode of the third optocoupler E3 is connected to the output end (ie 1.8V) of the first power supply module 1, and the cathode of the third optocoupler E3 is connected to the first power supply module 1. The reset control terminal of the processor 3 is connected, the collector of the third optocoupler E3 is connected to the output terminal (ie 3.3V) of the second power supply module 2, and the emitter of the third optocoupler E3 is connected to the reset of the second processor 4 end connection. Specifically, when the reset control terminal of the first processor 3 outputs a low level, the third optocoupler E3 is turned on, and the level of the reset terminal of the second processor 4 is pulled down to a low level. At this time, the second processor 4 is reset, ready to be upgraded; when the reset control terminal of the first processor 3 outputs a high level, the third optocoupler E3 is turned off, the reset terminal of the second processor 4 is clamped to a high level, and the second processor 4 The high level of the reset terminal of the first processor 3 is higher than the high level of the reset control terminal of the first processor 3, but since the third optocoupler E3 is turned off, the current cannot be poured back into the first processor 3, thereby effectively preventing the first processor 3 from being damaged. damage.

As a preferred embodiment, it also includes:

The first wireless module 8 connected to the output end of the first processor 3 and the first power supply module 1 respectively, is used for the first processor 3 to communicate with the external network through it;

The second wireless module 9 connected to the output ends of the second processor 4 and the second power supply module 2 respectively is used for the communication between the second processor 4 and the external network through the second wireless module 9 .

Considering that if the processor in the present application can communicate with the external network, the function of the device will be more complete, and the user will use the device more conveniently. In this application, a first wireless module 8 is provided, which is connected to the first processor 3, and the first processor 3 can communicate with an external network through the first wireless module 8; a second wireless module 9 is provided, which is connected with the second processor 4 connected, the second processor 4 can communicate with the external network through the second wireless module 9 .

Specifically, taking an intelligent school card with dual systems as an example, the first processor 3 is connected to a network (such as a campus network) through the first wireless module 8, so as to browse network information, watch online learning videos, voice calls, Functions such as video calling or downloading an upgrade package from the cloud of the first processor 3 . The second processor 4 is connected to a network (eg, a campus network) through the second wireless module 9, and functions such as credit card consumption, credit card check-in, or online question answering can be implemented.

As a preferred embodiment, it also includes:

The first display device 10 connected to the output end of the first processor 3 and the first power supply module 1, respectively, is used for displaying the content to be displayed sent by the first processor 3;

The second display device 11 , which is respectively connected to the output ends of the second processor 4 and the second power module 2 , is used to display the content to be displayed sent by the second processor 4 .

In order for the user to clearly understand the tasks being performed by the first processor 3 and the second processor 4, the present application provides a first display device 10 and a second display device 11 to respectively display the content to be displayed sent by the first processor 3 and the content to be displayed sent by the second processor 4 to be displayed.

Specifically, for example, the first display device 10 displays the types of upgrade packages in the cloud of the first processor 3, browsed network information or online learning videos, etc.; the second display device 11 displays the balance of credit card consumption or the questions of online answering, etc. . It can be seen that through the first display device 10 and the second display device 11, the user can clearly understand the tasks performed by the first processor 3 and the second processor 4, which is convenient for the user to use.

In addition, both the first display device 10 and the second display device 11 in the present application may be a touch display device or a non-touch display device. In addition, according to user requirements and device settings, the first display device 10 and the second display device 11 in this application may also display other information, which will not be repeated in this application.

As a preferred embodiment, the first display device 10 is a touch display device, the second display device 11 is a non-touch display device, and further includes a key input module 12 connected to the second processor 4 .

Considering that the first processor 3 needs to implement relatively many functions and the content to be displayed is complex, the first display device 10 can be set as a touch display device, and the user can directly input through the second display device 11; The functions to be implemented by the processor 4 are relatively simple, the content to be displayed is relatively simple, and in order to reduce the energy consumption of the second display device 11 , the second display device 11 can be set as a non-touch display device, and the key input module 12 is used to perform the operation. enter.

For example, if an application scenario of the second processor 4 in the smart school card is online answering questions, the key input module 12 may include option keys (A, B, C, D, etc.), correct key, wrong key, confirm key or cancel Buttons, etc. The specific button type and quantity can be set according to requirements. Specifically, taking online answering as an example, the second processor 4 first obtains the question from the campus network through the second wireless module 9, displays the question on the second display device 11, and the student selects the question through the key input module 12 of the smart school card Enter the answer corresponding to the question, and submit the confirmed answer to the campus network.

When the second display device 11 is a non-touch display device, the key input module 12 is provided to reduce the power consumption of the second processor 4 and improve the battery life of the second processor 4 .

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method.

It should also be noted that, in this specification, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is no such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A dual-system device, characterized in that, comprising: a first power supply module connected to the first processor for supplying power to the first processor; a second power supply module connected to the second processor for supplying power to the second processor; The first processor, which is connected to the second processor and is different from the second processor, is configured to receive a second instruction and perform an operation corresponding to the second instruction, and is also configured to report to the first processor The second processor sends the first instruction; The second processor is configured to receive the first instruction and perform an operation corresponding to the first instruction, and is further configured to send the second instruction to the first processor. 2. The dual-system device according to claim 1, wherein the power supply voltage of the first power supply module is different from the power supply voltage of the second power supply module, further comprising: a first isolation module, one end is connected to the receiving end of the first processor, and the other end is connected to the transmitting end of the second processor, and is used for power isolation; One end is connected to the sending end of the first processor, and the other end is connected to the receiving end of the second processor, and the second isolation module is used for power isolation. 3 . The dual system device according to claim 2 , wherein the power supply voltage of the first power module is lower than the power supply voltage of the second power module, and the first isolation module comprises a diode, a first resistor and the second resistor; The anode of the diode is respectively connected to the first end of the first resistor and the receiving end of the first processor, the second end of the first resistor is connected to the output end of the first power supply module, so the The cathode of the diode is respectively connected to the first end of the second resistor and the sending end of the second processor, and the second end of the second resistor is connected to the output end of the second power module. 4. The dual-system device of claim 2, wherein the second isolation module comprises a first controllable switch, a third resistor, a fourth resistor, and a fifth resistor; The first end of the first controllable switch is respectively connected to the first end of the third resistor and the transmitting end of the first processor, and the control end of the first controllable switch is respectively connected to the first end of the first controllable switch. The second end of the third resistor is connected to the first end of the fourth resistor, the second end of the fourth resistor is connected to the output end of the first power supply module, the second end of the first controllable switch is connected The terminals are respectively connected to the first terminal of the fifth resistor and the receiving terminal of the second processor, and the second terminal of the fifth resistor is connected to the output terminal of the second power module; When the sending end of the first processor outputs a high level, the first controllable switch is turned off, and when the sending end of the first processor outputs a low level, the first controllable switch is turned on. 5. The dual-system device according to claim 1, wherein the reset control terminal of the first processor is connected to the reset terminal of the second processor; The first processor is specifically configured to download the upgrade package of the second processor from the cloud of the first processor when receiving the upgrade instruction sent by the second processor, and associate the reset instruction with all the upgrade packages. sending the upgrade package of the second processor to the second processor; The second processor is specifically configured to perform an upgrade based on the received upgrade package after receiving the reset instruction. 6. The dual-system device according to claim 5, wherein the power supply voltage of the first power supply module is different from the power supply voltage of the second power supply module, further comprising: One end is connected to the reset control terminal of the first processor, and the other end is connected to the reset terminal of the second processor, and the third isolation module is used for power isolation. 7. The dual-system device of claim 6, wherein the third isolation module comprises a second controllable switch, a sixth resistor, a seventh resistor, and an eighth resistor; Wherein, the first end of the second controllable switch is respectively connected to the first end of the sixth resistor and the reset control end of the first processor, and the control end of the second controllable switch is respectively the The second end of the sixth resistor is connected to the first end of the seventh resistor, the second end of the seventh resistor is connected to the output end of the first power supply module, and the second end of the second controllable switch is connected. The terminals are respectively connected to the first terminal of the eighth resistor and the reset terminal of the second processor, and the second terminal of the eighth resistor is connected to the output terminal of the second power module; When the reset control terminal of the first processor outputs a high level, the second controllable switch is turned off, and when the reset control terminal of the first processor outputs a low level, the second controllable switch is turned on. 8. The dual-system device according to any one of claims 1 to 7, further comprising: a first wireless module connected to the output ends of the first processor and the first power supply module respectively, for the first processor to communicate with an external network through it; A second wireless module connected to the output ends of the second processor and the second power module, respectively, is used for the second processor to communicate with an external network through the second wireless module. 9. The dual-system device according to any one of claims 1 to 7, further comprising: a first display device connected to the output end of the first processor and the first power supply module, respectively, for displaying the content to be displayed sent by the first processor; A second display device, which is respectively connected to the output end of the second processor and the first power supply module, is used for displaying the content to be displayed sent by the second processor. 10 . The dual-system device according to claim 9 , wherein the first display device is a touch display device, the second display device is a non-touch display device, and further comprises a key input module connected to the second processor. 11 . .

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