Treatment device and split equipment

Abstract

The embodiment of the invention relates to a processing device and split equipment, and relates to the technical field of power supply. The first treatment device is applied to split equipment, and the split equipment comprises the first treatment device and a second treatment device which are coupled. The first processing device comprises a first power supply circuit and a first control chip, the first control chip comprises a first circuit and a second circuit, and the first circuit is in a working state when powered on; the split equipment has a first standby state, and in the first standby state, the first circuit is in a power-on state, and the second circuit is in a power-off state; the first power supply circuit is used for receiving a first electric signal sent by the second processing device in response to wakeup in a first standby state, and sending a second electric signal to the first circuit according to the first electric signal; and the first circuit is used for controlling the second circuit to be electrified in response to the second electric signal. In this way, the split equipment is low in power consumption during standby.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of power supply, and in particular, to a processing device and a split device. Background Art

[0002] With the rapid development of electronic technology, users' attention to split devices is increasing. Compared with integral devices, a split device includes a plurality of separately arranged sub-devices, and the plurality of sub-devices are coupled by cables or other means. The plurality of sub-devices perform corresponding functions to achieve the overall function of the split device. Common split devices include split TVs. For example, a split TV may include a display screen and a TV box. The TV box is provided with a video interface and a peripheral interface. The display screen performs a display function, and the TV box performs a communication function. The display screen and the TV box are separately arranged and coupled by a cable, so as to separate the display function and the communication function of the split TV. In order to reduce the power consumption of the split device, the split device needs to support a standby state. When a sub-device in the split device is awakened, the sub-device notifies other sub-devices in the split device through a data channel in the cable, so as to awaken other sub-devices. However, the data channel cannot enter a sleep state during standby of the split device, and the power consumption is still relatively large. Summary of the Invention

[0003] The present application provides a processing device and a split device, which solve the problem of relatively large power consumption during standby of the split device in the prior art.

[0004] To achieve the above object, the present application adopts the following technical solutions:

[0005] In a first aspect, a first processing device is provided. The first processing device is applied to a split device, and the split device includes a first processing device and a second processing device that are coupled. The first processing device includes a first power supply circuit and a first control chip. The first control chip includes a first circuit and a second circuit, and the first circuit is in an operating state when powered on. The split device has a first standby state. In the first standby state, the first circuit is in a powered-on state, and the second circuit is in a powered-off state. The first power supply circuit is configured to receive a first electrical signal sent by the second processing device in response to being awakened in the first standby state, and send a second electrical signal to the first circuit according to the first electrical signal. The first circuit is configured to control the second circuit to be powered on in response to the second electrical signal.

[0006] In the above technical solution, the first electrical signal is used to replace the wake-up signal between the devices as a control signal to wake up the first processing device. Since the power supply line for transmitting the first electrical signal does not need to be powered during standby, the power consumption of the first processing device and the second processing device is relatively small. Moreover, there is no need to set up a data channel between the first processing device and the second processing device for transmitting the wake-up signal between the devices and that cannot be put into sleep mode during standby. Since the power supply line has a simpler structure and smaller volume than the data channel, the data channels of the split device are fewer, the cables in the actual product are thinner, and the hardware cost is lower.

[0007] In a possible implementation manner of the first aspect, the first processing device further includes a second power supply circuit. The second power supply circuit is configured to receive a third electrical signal sent by the second processing device in the first standby state and supply power to the first circuit through the third electrical signal. In the above possible implementation manner, the first circuit in the first processing device that does not lose power during standby can be powered by the second processing device. The first processing device does not need to be provided with a power supply circuit for coupling the commercial power, and the first processing device can be made smaller in size, thinner and lighter as a whole, and both the wiring and the hardware structure are simpler.

[0008] In a possible implementation manner of the first aspect, the first circuit is specifically configured to send a first enable signal to the second power supply circuit in response to the second electrical signal. The second power supply circuit is configured to supply power to the second circuit through the third electrical signal in response to the first enable signal. In the above possible implementation manner, the second circuit can be powered by the second processing device. The first processing device does not need to be provided with a power supply circuit for coupling the commercial power, and the first processing device can be made smaller in size, thinner and lighter as a whole, and both the wiring and the hardware structure are simpler.

[0009] In a possible implementation of the first aspect, the first processing device further includes a first data circuit and a display screen. The first data circuit is used to couple to the second processing device and transmit data. In the first standby state, the first data circuit is powered off. The first circuit is further configured to control the first power supply circuit to supply power to the display screen through a first electrical signal in response to a second electrical signal. The second power supply circuit is further configured to supply power to the first data circuit through a third electrical signal after the first power supply circuit supplies power to the display screen through the first electrical signal in response to a first enable signal. In the above possible implementation, on the one hand, the electrical signal required by the display screen is a strong electrical signal, and the electrical signals required by the first data circuit, the first circuit, and the second circuit are weak electrical signals. The first power supply circuit is used to supply power to the display screen through the first electrical signal, and the second power supply circuit is used to supply power to the first circuit, the second circuit, and the first data circuit through the third electrical signal. In this way, the power supply circuits for strong and weak electrical signals can be separately arranged, and the functions and structures of each power supply circuit are simpler. On the other hand, in the first standby state, the strong electrical signal (the first electrical signal) that has a greater impact on power consumption can be separately cut off, while the weak electrical signal (the third electrical signal) is retained, and the power consumption can still be reduced. On the further hand, by first controlling the first power supply circuit to supply power to the display screen through the first electrical signal and then supplying power to the first data circuit through the third electrical signal, the display screen can first receive the electrical signal to turn on and display, and then the data signal can be transmitted, improving the user experience.

[0010] In a possible implementation of the first aspect, the split device has a second standby state. In the second standby state of the split device, both the first circuit and the second circuit are powered off. The first power supply circuit is configured to receive a fourth electrical signal sent by the second processing device in response to being awakened in the second standby state and supply power to the first circuit and the second circuit through the fourth electrical signal. In the above possible implementation, the first processing device can be compatible with second processing devices in multiple standby states, having good forward and backward compatibility. The first processing device and the second processing device can query the standby states supported by the peer device (for example, query through a data channel when starting up), so as to select to enter the first standby state or the second standby state when standby. And, the first circuit is also powered off during standby, further saving power consumption.

[0011] In a second aspect, a second processing device is provided. The second processing device is applied to a split device, which includes a coupled second processing device and a first processing device. The second processing device includes a power supply board and a second control chip. The power supply board includes a first output terminal. The first processing device includes a first circuit and a second circuit, and the first circuit is in an operating state when powered on. The split device has a first standby state. In the first standby state, the first circuit is in a powered-on state, and the second circuit is in a powered-off state. The second control chip is configured to, in the first standby state, in response to a first wake-up signal obtained, control the power supply board to send a first electrical signal to the first processing device through the first output terminal. The first electrical signal is used to instruct the first circuit to control the second circuit to be powered on. In the above technical solution, the power line between the first output terminal of the power supply board and the first processing device is used to replace the data channel that cannot be put into sleep during standby, and the first electrical signal is used to replace the wake-up signal between the devices as a control signal to wake up the first processing device. Since the power line does not need to supply power during standby, the power consumption of the first processing device and the second processing device is relatively small. Moreover, there is no need to set up a data channel for transmitting the wake-up signal between the devices and that cannot be put into sleep during standby. Since the power line has a simpler structure and smaller volume compared to the data channel, the split device has fewer data channels, the cables in the actual product are thinner, and the hardware cost is lower.

[0012] In a possible implementation manner of the second aspect, the power supply board further includes a second output terminal. The power supply board is configured to, in the first standby state and when sending the first electrical signal to the first processing device through the first output terminal, send a third electrical signal to the first processing device through the second output terminal. The third electrical signal is used to supply power to the first processing device. In the above possible implementation manner, the first processing device can be powered by the power supply board. The first processing device does not need to be provided with a power supply circuit for coupling the commercial power. The split device can be made smaller in volume, thinner overall, and both the wiring and the hardware structure are simpler.

[0013] In a possible implementation manner of the second aspect, the second processing device further includes a second data circuit, which is used to couple the first processing device and is used to transmit data. In the first standby state, the second data circuit is in a powered-off state. The first processing device further includes a display screen. The second control chip is further configured to, in response to the obtained first wake-up signal, after controlling the power supply board to send the first electrical signal to the first processing device through the first output terminal, control the power supply board to supply power to the second data circuit. The first electrical signal is also used to supply power to the display screen. In the above possible implementation manner, after controlling the power supply board to send the first electrical signal to the first processing device through the first output terminal, controlling the power supply board to supply power to the second data circuit can first let the display screen receive the electrical signal to light up and display, and then transmit the data signal, improving the user experience.

[0014] In a possible implementation of the second aspect, the split device has a second standby state. In the second standby state of the split device, both the first circuit and the second circuit are powered off. The second control chip is configured to, in the second standby state, in response to the acquired second wake-up signal, control the power supply board to send a fourth electrical signal to the first processing device through the first output terminal, and the fourth electrical signal is used to indicate power supply to the first circuit and the second circuit. In the above possible implementation, the second processing device can be compatible with the first processing devices in multiple standby states, and has friendly forward compatibility and backward compatibility. The first processing device and the second processing device can query the standby states supported by the peer device (for example, query through the data channel when starting up), so as to select to enter the first standby state or the second standby state when standby. Also, the first circuit is powered off during standby, further saving power consumption.

[0015] In a third aspect, a second processing device is provided. The second processing device is applied to a split device, and the split device includes a coupled second processing device and a first processing device. The second processing device includes a power supply board and a second control chip. The second control chip includes a third circuit and a fourth circuit. The third circuit is in an operating state when powered on. The power supply board includes a second output terminal. The split device has a third standby state. In the third standby state, the third circuit is powered on, and the fourth circuit is powered off. The power supply board is configured to send a fifth electrical signal to the first processing device through the second output terminal in the third standby state, and the fifth electrical signal is used to supply power to the first processing device. The third circuit is configured to control the fourth circuit to be powered on when the change value of the current of the fifth electrical signal is greater than a preset value.

[0016] In the above technical solution, the circuits in the first processing device that are not powered off during standby can be powered by the power supply board. The first processing device does not need to be provided with a power supply circuit for coupling the commercial power. The split device can be made smaller in size, thinner and lighter as a whole, and the wiring and hardware structure are simpler. Also, the second processing device determines whether to be woken up by the change value of the fifth electrical signal at the second output terminal of the power supply board, replacing the wake-up signal between the devices. There is no need to set up a data channel that cannot be put into sleep during standby, and the power consumption of the first processing device and the second processing device is smaller. Also, the split device has fewer data channels, thinner cables in the actual product, and lower hardware costs.

[0017] In a possible implementation of the third aspect, the first processing device further includes a display screen. The power supply board further includes a first output terminal. The second processing device further includes a second data circuit for coupling the first processing device and for transmitting data. In the third standby state, the second data circuit is powered off. The third circuit is further configured to control the power supply board to send a sixth electrical signal to the first processing device through the first output terminal when the change value of the current of the fifth electrical signal is greater than a preset value. The third circuit is further configured to control the power supply board to supply power to the second data circuit after controlling the power supply board to send the sixth electrical signal to the first processing device through the first output terminal, and the sixth electrical signal is used to supply power to the display screen. In the above possible implementation, after controlling the power supply board to send the sixth electrical signal to the first processing device through the first output terminal and then controlling the power supply board to supply power to the second data circuit, the display screen can receive the electrical signal to turn on and display first, and then transmit the data signal, improving the user experience.

[0018] In a fourth aspect, a first processing device is provided. The first processing device is applied to a split device, and the split device includes a coupled first processing device and a second processing device. The first processing device includes a second power supply circuit and a first control chip. The second processing device includes a third circuit and a fourth circuit, and the third circuit is in a working state when powered on. The split device has a third standby state, in which the third circuit is powered on and the fourth circuit is powered off. The second power supply circuit is configured to receive a fifth electrical signal from the second processing device and supply power to the first control chip through the fifth electrical signal in the third standby state. The first control chip is configured to switch to a working state in response to the obtained third wake-up signal. During the process of the first control chip switching to the working state in response to the obtained third wake-up signal, the change value of the current of the fifth electrical signal is greater than a preset value, and the change value of the current of the fifth electrical signal being greater than the preset value is used to indicate that the third circuit controls the fourth circuit to be powered on.

[0019] In the above technical solution, the circuit that does not power off during standby in the first processing device can be powered by the second processing device. The first processing device does not need to be provided with a power supply circuit for coupling the commercial power, and the first processing device can be made smaller in size, thinner and lighter as a whole, and the wiring and hardware structure are simpler. Using the change value of the fifth electrical signal of the second processing device to determine whether to be woken up replaces the wake-up signal between the devices, and there is no need to set a data channel that cannot be dormant during standby, so the power consumption of the first processing device and the second processing device is small. Moreover, the split device has fewer data channels, thinner cables in the actual product, and lower hardware costs.

[0020] In a possible implementation of the fourth aspect, the first processing device further includes a first data circuit, a display screen, and a first power supply circuit. The first data circuit is used to couple to the second processing device and transmit data. In the third standby state, the first data circuit is powered off. The first power supply circuit is used to receive a sixth electrical signal from the second processing device after the first control chip switches to the working state in response to the acquired third wake-up signal. The first control chip is further used to, in response to the third wake-up signal, after controlling the first power supply circuit to supply power to the display screen through the sixth electrical signal, control the second power supply circuit to supply power to the first data circuit through the fifth electrical signal. In the above possible implementation, on the one hand, the electrical signal required by the display screen is a strong electrical signal, and the electrical signals required by the first data circuit and the first control chip are weak electrical signals. The first power supply circuit is used to supply power to the display screen through the sixth electrical signal, and the second power supply circuit is used to supply power to the first control chip and the first data circuit through the fifth electrical signal. In this way, the power supply circuits for strong and weak electrical signals can be separately arranged, and the functions and structures of each power supply circuit are simpler. On the other hand, in the first standby state, the strong electrical signal (the first electrical signal) that has a greater impact on power consumption can be separately cut off, while the weak electrical signal (the third electrical signal) is retained, still reducing power consumption. On the further hand, first controlling the first power supply circuit to supply power to the display screen through the sixth electrical signal and then supplying power to the first data circuit through the fifth electrical signal can first let the display screen receive the electrical signal to turn on and display, and then transmit the data signal, improving the user experience.

[0021] In a fifth aspect, a split device is provided. The split device includes a coupled first processing device and a second processing device. The first processing device includes a first power supply circuit and a first control chip. The first control chip includes a first circuit and a second circuit. The first circuit is in the working state when powered on. The split device has a first standby state. In the first standby state, the first circuit is powered on and the second circuit is powered off. The second processing device includes a power supply board and a second control chip. The power supply board includes a first output terminal. The second control chip is used to, in the first standby state, in response to the acquired first wake-up signal, control the power supply board to send a first electrical signal to the first power supply circuit through the first output terminal. The first power supply circuit is used to receive the first electrical signal in the first standby state and send a second electrical signal to the first circuit according to the first electrical signal. The first circuit is used to, in response to the second electrical signal, control the second circuit to power on.

[0022] In a possible implementation of the fifth aspect, the first processing device further includes a second power supply circuit. The power supply board further includes a second output terminal. The power supply board is used to, in the first standby state, send a third electrical signal to the second power supply circuit through the second output terminal. The second power supply circuit is used to receive the third electrical signal in the first standby state and supply power to the first circuit through the third electrical signal.

[0023] In a possible implementation of the fifth aspect, the power supply board is further configured to, when sending a first electrical signal to the first processing device through the first output terminal, send a third electrical signal to the second power supply circuit through the second output terminal. The first circuit is specifically configured to send a first enable signal to the second power supply circuit in response to the second electrical signal. The second power supply circuit is configured to supply power to the second circuit through the third electrical signal in response to the first enable signal.

[0024] In a possible implementation of the fifth aspect, the first processing device further includes a first data circuit and a display screen, the second processing device further includes a second data circuit, the first data circuit and the second data circuit are coupled, and both the first data circuit and the second data circuit are configured to transmit data. In the first standby state, both the first data circuit and the second data circuit are in a powered-down state. The first circuit is further configured to control the first power supply circuit to supply power to the display screen through the first electrical signal in response to the second electrical signal. The second power supply circuit is further configured to supply power to the first data circuit through the third electrical signal after the first power supply circuit supplies power to the display screen through the first electrical signal in response to the first enable signal. The second control chip is further configured to control the power supply board to supply power to the second data circuit after controlling the power supply board to send a first electrical signal to the first processing device through the first output terminal in response to the acquired first wake-up signal.

[0025] In a possible implementation of the fifth aspect, the split device has a second standby state, and in the second standby state of the split device, both the first circuit and the second circuit are in a powered-down state. The second control chip is configured to control the power supply board to send a fourth electrical signal to the first power supply circuit through the first output terminal in response to the acquired second wake-up signal in the second standby state. The first power supply circuit is configured to receive the fourth electrical signal and supply power to the first circuit and the second circuit through the fourth electrical signal in the second standby state.

[0026] In a sixth aspect, a split device is provided. The split device includes a coupled second processing device and a first processing device. The first processing device includes a second power supply circuit and a first control chip. The second processing device includes a power supply board and a second control chip. The second control chip includes a third circuit and a fourth circuit. The third circuit is in an operating state when powered on. The power supply board includes a second output terminal. The split device has a third standby state. In the third standby state, the third circuit is in a powered-on state and the fourth circuit is in a powered-off state. The power supply board is configured to send a fifth electrical signal to the second power supply circuit through the second output terminal in the third standby state. The second power supply circuit is configured to power the first control chip with the received fifth electrical signal in the third standby state. The first control chip is configured to switch to an operating state in response to obtaining a third wake-up signal. During the process in which the first control chip switches to an operating state in response to obtaining the third wake-up signal, the change value of the current of the fifth electrical signal is greater than a preset value. The third circuit is configured to control the fourth circuit to be powered on when the change value of the current of the fifth electrical signal is greater than the preset value.

[0027] In a possible implementation manner of the sixth aspect, the first processing device further includes a first data circuit, a first power supply circuit, and a display screen. The power supply board further includes a first output terminal. The second processing device further includes a second data circuit. The first data circuit is coupled to the second data circuit. The first data circuit and the second data circuit are configured to transmit data. In the third standby state, both the first data circuit and the second data circuit are in a powered-off state. The third circuit is further configured to, when the change value of the current of the fifth electrical signal is greater than the preset value, after controlling the power supply board to send a sixth electrical signal to the first power supply circuit through the first output terminal, control the power supply board to power the second data circuit. The first control chip is further configured to, in response to the third wake-up signal, after controlling the first power supply circuit to power the display screen with the received sixth electrical signal, control the second power supply circuit to power the first data circuit.

[0028] It can be understood that the split device provided in the fifth aspect or any possible implementation manner of the fifth aspect can apply the first processing device provided in the first aspect or any possible implementation manner of the first aspect, and the second processing device provided in the second aspect or any possible implementation manner of the second aspect. Therefore, the beneficial effects it can achieve can refer to the beneficial effects in the corresponding processing devices provided above, which will not be elaborated here. The split device provided in the sixth aspect or any possible implementation manner of the sixth aspect can apply the second processing device provided in the third aspect or any possible implementation manner of the third aspect, and the first processing device provided in the fourth aspect or any possible implementation manner of the fourth aspect. Therefore, the beneficial effects it can achieve can refer to the beneficial effects in the corresponding processing devices provided above, which will not be elaborated here. Brief Description of the Drawings

[0029] Figure 1 It is a schematic diagram of a scenario of a split device provided by an embodiment of the present application;

[0030] Figure 2 It is a schematic structural diagram of a split device provided by an embodiment of the present application;

[0031] Figure 3 It is a schematic structural diagram of a first split device provided by an embodiment of the present application;

[0032] Figure 4 It is a schematic structural diagram of a second split device provided by an embodiment of the present application;

[0033] Figure 5 It is a schematic structural diagram of a third split device provided by an embodiment of the present application Figure 1 ;

[0034] Figure 6 It is a schematic structural diagram of a third split device provided by an embodiment of the present application Figure 2 ;

[0035] Figure 7 It is a schematic structural diagram of a third split device provided by an embodiment of the present application Figure 3 ;

[0036] Figure 8 It is a schematic structural diagram of a third split device provided by an embodiment of the present application Figure 4 ;

[0037] Figure 9 It is a schematic structural diagram of a second processing device provided by an embodiment of the present application;

[0038] Figure 10 It is a schematic structural diagram of a third split device provided by an embodiment of the present application Figure 5 ;

[0039] Figure 11 It is a schematic flow diagram of a processing method provided by an embodiment of the present application Figure 1 ;

[0040] Figure 12 It is a schematic flow diagram of a processing method provided by an embodiment of the present application Figure 2 ;

[0041] Figure 13 It is a schematic flow diagram of a processing method provided by an embodiment of the present application Figure 3 . Detailed Description of the Invention

[0042] In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "And / or" describes the association relationship of associated objects and indicates that there can be three relationships. For example, A and / or B can represent the cases of A existing alone, A and B existing simultaneously, and B existing alone, where A and B can be singular or plural. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. "At least one (item)" or its similar expression refers to any combination of these items, including any combination of single item (item) or plural items (items). For example, at least one (item) of a, b, or c can represent: a, b, c, a - b, a - c, b - c, or a - b - c, where a, b, and c can be single or multiple. Additionally, in the embodiments of the present application, words such as "first" and "second" are used to distinguish identical or similar items with basically the same functions and roles. For example, the first threshold and the second threshold are only used to distinguish different thresholds and do not limit their sequence. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order. It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to give examples, illustrations, or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, using words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0043] First, the application scenarios related to the embodiments of the present application are introduced. The technical solutions provided by the embodiments of the present application can be applied to split devices, and the split devices can be electronic devices. In practical applications, the split device may also include one or more of multiple modules such as a communication module, a sensor module, and an input / output module. Exemplarily, as Figure 1 shown, the split device can be a split TV. With the progress of technology, more and more functions are integrated and implemented on TVs. If all functions are integrated with the display screen, the thickness of the display screen will be very large. The technological trend requires the display screen to be thinner and thinner, and some necessary functions (such as a power board that converts mains power into DC voltage) need to be separated from the display screen. Therefore, the split TV separates the display screen and the TV box, and the display screen and the TV box are coupled through a cable to communicate. In some examples, the main processing chip of the split TV is deployed on the display screen, and the TV box realizes the functions of signal reception and aggregation. In other examples, the main processing chip of the split TV is deployed on the TV box, and the TV box serves as the host of the split TV, and the display screen realizes the display function.

[0044] The embodiments of the present application provide a split device, such as Figure 2As shown, the split device 1000 includes a first sub-device 100 and a second sub-device 200. The first sub-device 100 includes a first power supply device 110 and a first control device 120, and the second sub-device 200 includes a second power supply device 210 and a second control device 220. The first control device 120 and the second control device 220 are coupled through a data channel for communication, and the data channel can be arranged in a cable. Any one of the first sub-device 100 and the second sub-device 200 may further include other devices. For example, when the split device 1000 is a split TV, it may further include an infrared receiving device, a key device, an audio power amplifier device, etc. The first control device 120 and the second control device 220 may be processors, such as a central processing unit (CPU), a digital signal processor, a microcontroller, or a microprocessor. When the first control device 120 is the main processor, the second control device 220 is used to control other devices in the second sub-device 200 to execute corresponding functions in response to the instructions of the main processor. The first power supply device 110 and the second power supply device 210 may be a power board or a power supply chip. The power board is used to couple the commercial power (such as 220V), convert the commercial power into various power supplies required by the split device 1000, and the power supply chip is used to convert the input electrical signal into the electrical signal required by the devices in the corresponding sub-device. The power board and the power supply chip may also have functions such as temperature sensing and voltage stabilization. The first power supply device 110 is used to supply power to the first control device 120, and the second power supply device 210 is used to supply power to the second control device 220.

[0045] Exemplarily, in order to reduce the power consumption of the split device 1000, the split device 1000 supports a standby state. When the split device 1000 is in standby, only part of the circuits (such as part of the service circuits of the sub-devices equipped with wake-up sources and part of the data channels) are powered to receive wake-up signals, and other parts of the circuits are powered off to avoid power consumption. When one of the sub-devices in the split device 1000 is awakened, the non-powered-off part of the circuits in the sub-device wakes up other sub-devices through the non-powered-off data channels and controls the powered-off part of the circuits of other sub-devices to power on to resume relevant services. For the standby state of the split device 1000, the fewer the data channels that cannot be put into sleep when each sub-device is in standby, the less power consumption the split device 1000 has and the more competitive it is.

[0046] In some possible implementation manners, Figure 2 The first power supply device 110 and the second power supply device 210 shown are both used to couple the commercial power, and the data channel between the first control device 120 and the second control device 220 cannot be put into sleep during standby.

[0047] In some examples, the split device 1000 is such as Figure 3The first split device 1000A shown. The first split device 1000A includes a first sub-device 100A and a second sub-device 200A. The first sub-device 100A includes a first power supply circuit 110A and a first control circuit 120A, and the first control circuit 120A includes a first always-on power circuit 121A and a first standby power-down circuit 122A. Among them, the always-on power circuit can also be referred to as the always-on domain (AON), and the standby power-down circuit can also be referred to as the power-down domain (PWD). The second sub-device 200A includes a second power supply circuit 210A and a second control circuit 220A, and the second control circuit 220A includes a second always-on power circuit 221A and a second standby power-down circuit 222A. The input ends of the first power supply circuit 110A and the second power supply circuit 210A are both used to be coupled to the mains power. The control end of the first power supply circuit 110A is coupled to the control end of the first always-on power circuit 121A, the first output end of the first power supply circuit 110A is coupled to the input end of the first always-on power circuit 121A, and the second output end of the first power supply circuit 110A is coupled to the input end of the first standby power-down circuit 122A. The control end of the second power supply circuit 210A is coupled to the control end of the second always-on power circuit 221A, the first output end of the second power supply circuit 210A is coupled to the input end of the second always-on power circuit 221A, and the second output end of the second power supply circuit 210A is coupled to the input end of the second standby power-down circuit 222A. The data channel between the first control circuit 120A and the second control circuit 220A includes a first channel and a second channel. The first channel can be a high-speed channel, and the second channel can be a low-speed channel. The first channel is used to transmit data signals and control signals when the first split device 1000A is in the working state, so that the first sub-device 100A and the second sub-device 200A can interact with each other. The first channel can be powered down when the first split device 1000A is in standby. The second channel is used to transmit wake-up signals between the sub-devices when the first split device 1000A is in the standby state, so that the first sub-device 100A and the second sub-device 200A can control each other. The second channel cannot be powered down when the first split device 1000A is in standby.

[0048] Exemplarily, wake-up sources can be deployed on both the first sub-device 100A and the second sub-device 200A. When the first split device 1000A is in standby, both the first constant power circuit 121A and the second constant power circuit 221A are in the powered-on state, so as to receive wake-up signals from the wake-up source at any time. The first power circuit 110A is used to receive the power signal of the commercial power through the input end of the first power circuit 110A, and send the first power signal to the first constant power circuit 121A through the first output end of the first power circuit 110A, and the first power signal is used to supply power to the first constant power circuit 121A. The second power circuit 210A is used to receive the power signal of the commercial power through the input end of the second power circuit 210A, and send the second power signal to the second constant power circuit 221A through the first output end of the second power circuit 210A, and the second power signal is used to supply power to the second constant power circuit 221A. Both the first standby power-down circuit 122A and the second standby power-down circuit 222A are in the power-down state. When the first constant power circuit 121A receives a wake-up signal from the wake-up source, the first constant power circuit 121A is used to send a first control signal to the first power circuit 110A through the control end of the first constant power circuit 121A, and send a wake-up signal between sub-devices to the second constant power circuit 221A through the second channel. The first power circuit 110A is used to respond to the first control signal, and send a third power signal to the first standby power-down circuit 122A through the second output end of the first power circuit 110A, and the third power signal is used to supply power to the first standby power-down circuit 122A. The second constant power circuit 221A is used to respond to the wake-up signal between sub-devices, and send a second control signal to the second power circuit 210A through the control end of the second constant power circuit 221A. The second power circuit 210A is used to respond to the second control signal, and send a fourth power signal to the second standby power-down circuit 222A through the second output end of the second power circuit 210A, and the fourth power signal is used to supply power to the second standby power-down circuit 222A. In this way, the first sub-device 100A wakes up the second sub-device 200A.

[0049] In this embodiment, the first split device 1000A has the following problems: First, both the first sub-device 100A and the second sub-device 200A are provided with power circuits for coupling the commercial power. Since the power circuits for coupling the commercial power are large in volume and complex in wiring, the thickness of both sub-devices is large, and the hardware structure is complex. Second, there are two data channels between the first sub-device 100A and the second sub-device 200A. One is the first channel that can be put into sleep mode during standby, and the other is the second channel that cannot be put into sleep mode during standby. The first split device 1000A has more data channels, thicker cables in the actual product, and higher hardware costs. Third, the second channel cannot be put into sleep mode even when the first split device 1000A is in standby, resulting in higher power consumption.

[0050] In some possible embodiments,Figure 2 The second power supply device 210 shown is used to couple the commercial power. The second power supply device 210 is used to provide a power signal for the first power supply device 110. When there is a data channel between the first control device 120 and the second control device 220, it cannot enter the sleep state.

[0051] In some examples, the split device 1000 is, for example, Figure 4 the second split device 1000B shown. The second split device 1000B includes a third sub-device 100B and a fourth sub-device 200B. The third sub-device 100B includes a third power supply circuit 110B and a third control circuit 120B. The third control circuit 120B includes a third main power circuit 121B and a third standby power-off circuit 122B. The fourth sub-device 200B includes a fourth power supply circuit 210B and a fourth control circuit 220B. The fourth control circuit 220B includes a fourth main power circuit 221B and a fourth standby power-off circuit 222B. The input ends of the fourth power supply circuit 210B are all used to couple with the commercial power. The third output end of the fourth power supply circuit 210B is coupled with the input end of the third power supply circuit 110B. The control end of the third power supply circuit 110B is coupled with the control end of the third main power circuit 121B. The first output end of the third power supply circuit 110B is coupled with the input end of the third main power circuit 121B. The second output end of the third power supply circuit 110B is coupled with the input end of the third standby power-off circuit 122B. The control end of the fourth power supply circuit 210B is coupled with the control end of the fourth main power circuit 221B. The first output end of the fourth power supply circuit 210B is coupled with the input end of the fourth main power circuit 221B. The second output end of the fourth power supply circuit 210B is coupled with the input end of the fourth standby power-off circuit 222B. The data channel between the third control circuit 120B and the fourth control circuit 220B includes a third channel and a fourth channel. The third channel can be a high-speed channel, and the fourth channel can be a low-speed channel. The third channel is used to transmit data signals and control signals when the second split device 1000B is in the working state, so that the third sub-device 100B and the fourth sub-device 200B can interact with each other. The third channel can be powered off when the second split device 1000B is in the standby state. The fourth channel is used to transmit wake-up signals between the sub-devices when the second split device 1000B is in the standby state, so that the third sub-device 100B and the fourth sub-device 200B can control each other. The fourth channel cannot be powered off when the second split device 1000B is in the standby state.

[0052] Exemplarily, wake-up sources can be deployed on both the third sub-device 100B and the fourth sub-device 200B. When the second split device 1000B is in standby, both the third constant power circuit 121B and the fourth constant power circuit 221B are in the powered-on state, so as to receive wake-up signals from the wake-up source at any time. The fourth power circuit 210B is used to receive a power signal from the mains through the input terminal of the fourth power circuit 210B. The third power circuit 110B is used to receive a fifth power signal from the fourth power circuit 210B through the input terminal of the third power circuit 110B, and send a sixth power signal to the third constant power circuit 121B through the first output terminal of the third power circuit 110B. The sixth power signal is used to supply power to the third constant power circuit 121B. The fourth power circuit 210B is further used to send a seventh power signal to the fourth constant power circuit 221B through the first output terminal of the fourth power circuit 210B. The seventh power signal is used to supply power to the fourth constant power circuit 221B. Both the third standby power-down circuit 122B and the fourth standby power-down circuit 222B are in the power-down state. When the third constant power circuit 121B receives a wake-up signal from the wake-up source, the third constant power circuit 121B is used to send a third control signal to the third power circuit 110B through the control terminal of the third constant power circuit 121B, and send a wake-up signal between sub-devices to the fourth constant power circuit 221B through the fourth channel. The third power circuit 110B is used to respond to the third control signal and send an eighth power signal to the third standby power-down circuit 122B through the second output terminal of the third power circuit 110B. The eighth power signal is used to supply power to the third standby power-down circuit 122B. The fourth constant power circuit 221B is used to respond to the wake-up signal between sub-devices and send a fourth control signal to the fourth power circuit 210B through the control terminal of the fourth constant power circuit 221B. The fourth power circuit 210B is used to respond to the fourth control signal and send a ninth power signal to the fourth standby power-down circuit 222B through the second output terminal of the fourth power circuit 210B. The ninth power signal is used to supply power to the fourth standby power-down circuit 222B. In this way, the third sub-device 100B wakes up the fourth sub-device 200B.

[0053] In this embodiment, the second split device 1000B has the following problems: First, there are two data channels between the third sub-device 100B and the fourth sub-device 200B. One is the third channel that can be put into sleep mode during standby, and the other is the fourth channel that cannot be put into sleep mode during standby. The second split device 1000B has more data channels, the cables in the actual product are thicker, and the hardware cost is higher. Second, the fourth channel cannot be put into sleep mode even when the second split device 1000B is in standby, resulting in relatively high power consumption.

[0054] In some possible embodiments, Figure 2The second power supply device 210 shown is used to couple to the mains power. The second power supply device 210 is used to provide a power signal to the first power supply device 110. There is no need to set up a data channel that cannot be put into sleep mode during standby between the first control device 120 and the second control device 220.

[0055] In some examples, the split device 1000 is such as Figure 5The third split device 1000C shown. The third split device 1000C includes a coupled first processing device 100C and a second processing device 200C. The first processing device 100C may include a first power supply circuit 110C and a first control chip 120C. The first control chip 120C includes a first circuit 121C and a second circuit 122C, and the first circuit 121C is in an operating state when powered on. The split device has a first standby state. In the first standby state, the first circuit 121C is powered on, and the second circuit 122C is powered off. The second processing device 200C may include a first power supply board 210C, a second control chip 220C, and a first wake-up source 230C. The first power supply board 210C includes a first output terminal 211, and the first output terminal 211 of the first power supply board 210C is coupled to the input terminal of the first power supply circuit 110C. The first wake-up source 230C may be a signal source, an external device, or other devices that can wake up the third split device 1000C. The second control chip 220C is configured to, in the first standby state, in response to the acquired first wake-up signal, control the first power supply board 210C to send a first electrical signal to the first processing device 100C through the first output terminal 211. The first electrical signal is used to instruct the first circuit 121C to control the second circuit 122C to power on. For example, the first control terminal of the second control chip 220C is coupled to the control terminal of the first power supply board 210C. The second control chip 220C is configured to receive the first wake-up signal from the first wake-up source 230C and, in response to the first wake-up signal, send a second enable signal to the first power supply board 210C through the first control terminal of the second control chip 220C. The first power supply board 210C is configured to send a first electrical signal in response to the second enable signal. The first power supply circuit 110C is configured to, in the first standby state, receive the first electrical signal sent by the second processing device 200C in response to being woken up, and send a second electrical signal to the first circuit 121C according to the first electrical signal. For example, the first output terminal of the first power supply circuit 110C is coupled to the input terminal of the first circuit 121C. The first power supply circuit 110C is configured to send a first electrical signal to the first circuit 121C through the first output terminal of the first power supply circuit 110C. The first electrical signal may be a strong electrical signal (such as 30V), and the second electrical signal may be a weak electrical signal (such as 5V). The first power supply circuit 110C is configured to convert a strong electrical signal into a weak electrical signal that the first control chip 120C can receive, and this weak electrical signal is used as a control signal to instruct the first circuit 121C to wake up the second circuit 122C at this time. The first circuit 121C is configured to, in response to the second electrical signal, control the second circuit 122C to power on. In this way, the second processing device 200C wakes up the first processing device 100C.

[0056] In this embodiment, compared with Figure 3 the first split device 1000A shown and Figure 4The second split device 1000B shown Figure 5 For the third split device 1000C shown, the power line between the first output terminal 211 of the first power supply board 210C and the input terminal of the first power supply circuit 110C replaces the data channel that cannot be put into sleep mode during standby. A first electrical signal is used to replace the wake-up signal between the sub-devices as a control signal to wake up the first processing device 100C. Since the power line does not need to supply power during standby, the power consumption of the first processing device 100C and the second processing device 200C is relatively small. Moreover, there is no need to set up a data channel for transmitting the wake-up signal between the sub-devices and that cannot be put into sleep mode during standby. Since the power line has a simpler structure and smaller volume compared to the data channel, the third split device 1000C has fewer data channels, the cables in the actual product are thinner, and the hardware cost is lower.

[0057] In some possible implementation manners, the first power supply board 210C in the second processing device 200C is further configured to supply power to the first circuit 121C in the first standby state.

[0058] Exemplarily, as Figure 6 shown, the first power supply board 210C further includes a second output terminal 212. The second output terminal 212 of the first power supply board 210C is coupled to the input terminal of the second power supply circuit 130C. The first processing device 100C further includes the second power supply circuit 130C. The first power supply board 210C is configured to send a third electrical signal to the first processing device 100C through the second output terminal 212 in the first standby state. The second power supply circuit 130C is configured to receive the third electrical signal sent by the second processing device 200C in the first standby state and supply power to the first circuit 121C through the third electrical signal. For example, the first output terminal of the second power supply circuit 130C is coupled to the input terminal of the first circuit 121C, and the second power supply circuit 130C is configured to supply power to the first circuit 121C through the first output terminal of the second power supply circuit 130C.

[0059] In this implementation manner, compared with Figure 3 the first split device 1000A shown Figure 5 in the third split device 1000C shown, the first circuit 121C that does not cut off power during standby can be powered by the first power supply board 210C. The first processing device 100C does not need to be provided with a power supply circuit for coupling the mains power, and the first processing device 100C can be made smaller in size, thinner overall, and both the wiring and the hardware structure are simpler.

[0060] In some possible implementation manners, the first power supply board 210C in the second processing device 200C is further configured to supply power to the second circuit 122C after the first split device 1000A is woken up.

[0061] In some examples, the second power supply circuit 130C is configured to receive a third electrical signal from the first power supply board 210C and supply power to the second circuit 122C through the third electrical signal. Exemplarily, the first power supply board 210C is further configured to send a third electrical signal to the first processing device 100C through the second output terminal 212 when sending a first electrical signal to the first processing device 100C through the first output terminal 211. The first circuit 121C is specifically configured to send a first enable signal to the second power supply circuit 130C in response to the second electrical signal. The second power supply circuit 130C is configured to supply power to the second circuit 122C through the third electrical signal in response to the first enable signal. For example, the first control terminal of the first circuit 121C is coupled to the control terminal of the second power supply circuit 130C. The first circuit 121C is configured to send a first enable signal to the second power supply circuit 130C through the first control terminal of the first circuit 121C. The second output terminal of the second power supply circuit 130C is coupled to the input terminal of the second circuit 122C, and the second power supply circuit 130C is configured to supply power to the second circuit 122C through the second output terminal of the second power supply circuit 130C.

[0062] In other examples, the first power supply circuit 110C is configured to receive a first electrical signal from the first power supply board 210C and supply power to the second circuit 122C through the first electrical signal.

[0063] In this embodiment, compared with Figure 3 the first split device 1000A shown, Figure 5 the second circuit 122C in the third split device 1000C shown can be powered by the first power supply board 210C. The first processing device 100C does not need to be provided with a power supply circuit for coupling the commercial power supply. The first processing device 100C can be made smaller in size, thinner and lighter as a whole, and the wiring and hardware structure are simpler.

[0064] In some possible embodiments, when a display screen is provided on the first processing device 100C and the first processing device 100C is woken up by the second processing device 200C, power is first restored to the display screen and then to the data channel.

[0065] Exemplarily, as Figure 7 shown, the first processing device 100C further includes a first data circuit 140C and a display screen (not shown in the figure), the second processing device 200C further includes a second data circuit 240C, the first data circuit 140C is coupled to the second data circuit 240C, and both the first data circuit 140C and the second data circuit 240C are configured to transmit data.

[0066] Exemplarily, the data channel between the first control chip 120C and the second control chip 220C can be the fifth channel, and the fifth channel can be a high-speed channel. The first data circuit 140C is coupled to the first control chip 120C through the fifth channel, the first data circuit 140C is coupled to the second data circuit 240C through the fifth channel, and the second data circuit 240C is coupled to the second control chip 220C through the fifth channel. The fifth channel can be powered down when the third split device 1000C is in standby. The power lines between the first data circuit 140C, the second data circuit 240C, the first output terminal 211 of the first power supply board 210C and the input terminal of the first power supply circuit 110C, and between the second output terminal 212 of the first power supply board 210C and the input terminal of the second power supply circuit 130C can all be arranged in a cable. The first data circuit 140C and the second data circuit 240C transmit the data signals and control signals of the first control chip 120C and the second control chip 220C through the fifth channel. Optionally, the fifth channel can be an optical fiber (the transmitted signal form is an optical signal), a high-definition multimedia interface (HDMI), an active signal line (the transmitted signal form is a differential signal), or other channels.

[0067] Exemplarily, whether to set the first data circuit 140C and the second data circuit 240C in the third split device 1000C can be determined according to the transmission distance (or cable length) between the first processing device 100C and the second processing device 200C. Generally, the data sent from the first control chip 120C to the second control chip 220C is data of a short-distance protocol. If the transmission distance of the data sent from the first control chip 120C to the second control chip 220C is long, the short-distance protocol data can be converted into long-distance protocol data through the first data circuit 140C, and then the long-distance protocol data can be converted into short-distance protocol data through the second data circuit 240C, so that the second control chip 220C receives the data sent by the first control chip 120C. When the second control chip 220C sends data to the first control chip 120C, the process of protocol conversion through the first data circuit 140C and the second data circuit 240C can refer to the above process, and details are not described herein again in the embodiments of the present application.

[0068] Exemplarily, in the first standby state, both the first data circuit 140C and the second data circuit 240C are in a powered-down state. The first circuit 121C is further configured to control the first power supply circuit 110C to supply power to the display screen through the first electrical signal in response to the second electrical signal. Exemplarily, if there are other circuits in the first processing device 100C, the other circuits can also be powered through the first power supply circuit 110C. The second power supply circuit 130C is further configured to supply power to the first data circuit 140C through the third electrical signal after the first power supply circuit 110C supplies power to the display screen through the first electrical signal in response to the first enable signal. For example, the third output terminal of the second power supply circuit 130C is coupled to the input terminal of the first data circuit 140C, and the second power supply circuit 130C is configured to supply power to the first data circuit 140C through the third output terminal of the second power supply circuit 130C. Alternatively, the first circuit 121C is further configured to send a data power-on signal to the second power supply circuit 130C after controlling the first power supply circuit 110C to supply power to the display screen through the first electrical signal, and the second power supply circuit 130C is configured to supply power to the first data circuit 140C through the third electrical signal in response to the data power-on signal. The second control chip 220C is further configured to control the first power supply board 210C to supply power to the second data circuit 240C after controlling the first power supply board 210C to send the first electrical signal to the first processing device 100C through the first output terminal 211 in response to the acquired first wake-up signal. For example, the second control terminal of the first circuit 121C is coupled to the control terminal of the first power supply circuit 110C, and the first circuit 121C is configured to send a third enable signal to the first power supply circuit 110C through the second control terminal of the first circuit 121C, and the third enable signal is used to instruct the first power supply circuit 110C to supply power to the display screen. The first power supply board 210C further includes a third output terminal, and the third output terminal of the first power supply board 210C is coupled to the input terminal of the second data circuit 240C. The first power supply board 210C is further configured to supply power to the second data circuit 240C through the third output terminal of the first power supply board 210C in response to the second enable signal. For example, the third control terminal of the first control chip 120C is coupled to the control terminal of the first data circuit 140C, and the first control chip 120C is further configured to send a fourth enable signal to the first data circuit 140C through the third control terminal of the first control chip 120C, and the fourth enable signal is used to instruct the first data circuit 140C to start working. The second control terminal of the second control chip 220C is coupled to the control terminal of the second data circuit 240C, and the second control chip 220C is further configured to send a fifth enable signal to the second data circuit 240C through the second control terminal of the second control chip 220C, and the fifth enable signal is used to instruct the second data circuit 240C to start working.

[0069] In this embodiment, on the one hand, the electrical signals required by the display screen are strong electrical signals, and the electrical signals required by the first data circuit 140C, the first circuit 121C, and the second circuit 122C are weak electrical signals. The first power supply circuit 110C is used to supply power to the display screen through the first electrical signal, and the second power supply circuit 130C is used to supply power to the first circuit 121C, the second circuit 122C, and the first data circuit 140C through the third electrical signal. In this way, the power supply circuits for strong and weak electrical signals can be separately arranged, and the functions and structures of each power supply circuit are simpler. On the other hand, in the first standby state, the strong electrical signal (the first electrical signal) that has a greater impact on power consumption can be separately cut off, while the weak electrical signal (the third electrical signal) is retained, still reducing power consumption. On the further hand, when the second control chip 220C is awakened in response to the first wake-up signal, it first controls the first power supply board 210C to send the first electrical signal, and then controls the first power supply board 210C to supply power to the second data circuit 240C. The display screen can first receive the electrical signal to turn on and display, and then transmit the data signal, improving the user experience.

[0070] In some possible embodiments, if no wake-up source is provided on the first processing device 100C, the first circuit 121C can also be powered down during standby.

[0071] Exemplarily, the split device has a second standby state. In the second standby state of the split device, both the first circuit 121C and the second circuit 122C are in the powered-down state. The second control chip 220C is used to, in the second standby state, in response to the acquired second wake-up signal, control the first power supply board 210C to send a fourth electrical signal to the first processing device 100C through the first output terminal 211, and the fourth electrical signal is used to indicate power supply to the first circuit 121C and the second circuit 122C. The first power supply circuit 110C is used to, in the second standby state, receive the fourth electrical signal sent by the second processing device 200C in response to being awakened, and supply power to the first circuit 121C and the second circuit 122C through the fourth electrical signal.

[0072] In this embodiment, the first processing device 100C can be compatible with Figure 4 the fourth sub-device 200B shown. There is no need for a data channel to transmit wake-up signals between sub-devices. When the fourth sub-device 200B powers on the first processing device 100C, it powers on, and the first control chip 120C starts to work after powering on. The second processing device 200C can also be compatible with Figure 4 the third sub-device 100B shown. There is no need for a data channel to transmit wake-up signals between sub-devices. When the first processing device 100C powers on the third sub-device 100B, it powers on, and the third control circuit 120B starts to work after powering on. Exemplarily, Figure 5 the first power supply board 210C of the second processing device 200C shown may not be provided withFigure 6 the second output terminal 212 therein and the corresponding power supply line, Figure 7 the first processing device 100C shown can be compatible with such a second processing device 200C through a second standby state. Exemplarily, Figure 5 the first processing device 100C shown may not be provided with Figure 6 the second power supply circuit 130C therein, Figure 7 the second processing device 200C shown can be compatible with such a first processing device 100C through a second standby state. The first processing device 100C and the second processing device 200C can query the standby states supported by the peer device (e.g., query through a data channel when powering on), so as to select to enter the first standby state or the second standby state when in standby. Also, the first circuit 121C is powered off during standby, further saving power consumption.

[0073] In some possible implementation manners, a second wake-up source is provided on the first processing device 100C, and a wake-up source may or may not be provided on the second processing device 200C.

[0074] In some examples, as Figure 8 shown, the first processing device 100C includes a second wake-up source 150C, and the second wake-up source 150C may be a signal source, an external device, or other devices that can wake up the third split device 1000C. The second control chip 220C includes a third circuit 221C and a fourth circuit 222C. The third circuit 221C is in a working state when powered on. The split device has a third standby state, and in the third standby state, the third circuit 221C is in a powered-on state and the fourth circuit 222C is in a powered-off state.

[0075] The first power supply board 210C is used to send a fifth electrical signal to the first processing device 100C through the second output terminal 212 in the third standby state, and the fifth electrical signal is used to supply power to the first processing device 100C.

[0076] The second power supply circuit 130C is used to receive the fifth electrical signal from the second processing device 200C in the third standby state and supply power to the first control chip 120C through the fifth electrical signal. For example, the fifth electrical signal is used to supply power to the first circuit 121C.

[0077] The first control chip 120C is used to switch to a working state in response to the acquired third wake-up signal. For example, the first circuit 121C is used to receive the third wake-up signal from the second wake-up source 150C, and in response to the acquired third wake-up signal, control the second power supply circuit 130C to supply power to the second circuit 122C through the second output terminal of the second power supply circuit 130C.

[0078] During the process in which the first control chip 120C switches to the working state in response to the acquired third wake-up signal, the change value of the current of the fifth electrical signal is greater than a preset value, and the change value of the current of the fifth electrical signal being greater than the preset value is used to indicate that the third circuit 221C controls the fourth circuit 222C to power on. For example, when the second circuit 122C powers on or starts to work in the powered-on state, the load current on the side of the first control chip 120C will increase, resulting in an increase in the current at the second output terminal 212 of the first power supply board 210C.

[0079] The third circuit 221C is configured to control the fourth circuit 222C to power on when the change value of the current of the fifth electrical signal is greater than a preset value. For example, the first control end of the third circuit 221C is coupled to the control end of the first power supply board 210C, the third output terminal of the first power supply board 210C is coupled to the input end of the third circuit 221C, and the fourth output terminal of the first power supply board 210C is coupled to the input end of the fourth circuit 222C. The first power supply board 210C is configured to supply power to the third circuit 221C through the third output terminal of the first power supply board 210C in the third standby state. When the third circuit 221C detects that the change value of the current of the fifth electrical signal is greater than the preset value, the third circuit 221C sends a sixth enable signal to the first power supply board 210C through the first control end of the third circuit 221C. The first power supply board 210C is configured to supply power to the fourth circuit 222C through the fourth output terminal of the first power supply board 210C in response to the sixth enable signal.

[0080] Exemplarily, the third circuit 221C determines whether the change value of the current of the fifth electrical signal is greater than a preset value, which can be determined by a current-to-voltage circuit provided between the third circuit 221C and the second output terminal 212 of the first power supply board 210C. As Figure 9 shown, the current-to-voltage circuit includes five resistors, namely: R1, R2, R3, R4, and R5. The first ends of R1 and R3 are both coupled to the second output terminal 212 of the first power supply board 210C, the second end of R1 and the first end of R2 are both coupled to the input end of the second power supply circuit 130C, the second end of R2 and the first end of R4 are both coupled to the first detection end of the third circuit 221C, the second end of R3 and the first end of R5 are both coupled to the second detection end of the third circuit 221C, and the second ends of R4 and R5 are both grounded.

[0081] The first voltage detected by the first detection end of the third circuit 221C is V1, and the second voltage detected by the second detection end of the third circuit 221C is V2. The current value at the second output terminal 212 of the first power supply board 210C is:

[0082]

[0083] Among them, the current-to-voltage circuit can be a board-level voltage-dividing circuit. The third circuit 221C can obtain the current value at the second output terminal 212 of the first power supply board 210C through the first voltage and the second voltage sampling. By comparing the difference between the current values of the two samplings, the change value of the current of the fifth electrical signal can be obtained, so as to determine whether the change value of the current of the fifth electrical signal is greater than a preset value. Exemplarily, the resistance value of R1 can be set to be relatively small, and the resistance values of R2, R3, R4, and R5 can be set to be relatively large.

[0084] In this embodiment, compared with Figure 3 the first split device 1000A shown in Figure 8 the first circuit 121C that does not power off during standby in the third split device 1000C shown in can be powered by the first power supply board 210C. The first processing device 100C does not need to be provided with a power supply circuit for coupling the commercial power. The first processing device 100C can be made smaller in size, thinner and lighter as a whole, and the wiring and hardware structure are simpler. Compared with Figure 3 the first split device 1000A shown in Figure 4 and the second split device 1000B shown in Figure 8 the second processing device 200C of the third split device 1000C shown in uses the change value of the fifth electrical signal at the second output terminal 212 of the first power supply board 210C to determine whether to be awakened, replacing the wake-up signal between the sub-devices. There is no need to set a data channel that cannot be put into sleep during standby, and the power consumption of the first processing device 100C and the second processing device 200C is relatively small. Moreover, the third split device 1000C has fewer data channels, thinner cables in the actual product, and lower hardware costs.

[0085] In some possible embodiments, when a display screen is provided on the first processing device 100C and the second processing device 200C is awakened by the first processing device 100C, the power supply to the display screen is restored first, and then the power supply to the data channel is restored.

[0086] Exemplarily, such as Figure 10As shown, in the third standby state, both the first data circuit 140C and the second data circuit 240C are in a powered-down state. The third circuit 221C is further configured to control the first power supply board 210C to send a sixth electrical signal to the first processing device 100C through the first output terminal 211 when the change value of the current of the fifth electrical signal is greater than a preset value. The first power supply circuit 110C is configured to receive the sixth electrical signal from the second processing device 200C after the first control chip 120C switches to the working state in response to the acquired third wake-up signal. The third circuit 221C is further configured to control the first power supply board 210C to supply power to the second data circuit 240C after controlling the first power supply board 210C to send the sixth electrical signal to the first processing device 100C through the first output terminal 211, and the sixth electrical signal is used to supply power to the display screen. For example, the first power supply board 210C is further configured to output the sixth electrical signal to the first power supply circuit 110C in response to the sixth enable signal. The first control chip 120C is further configured to control the second power supply circuit 130C to supply power to the first data circuit 140C through the fifth electrical signal after controlling the first power supply circuit 110C to supply power to the display screen through the sixth electrical signal in response to the third wake-up signal. Figure 10 For the relevant content of the first data circuit 140C, the second data circuit 240C, other circuits and the achievable effects shown, reference can be made to Figure 7 For the relevant content of the first data circuit 140C, the second data circuit 240C, other circuits and the achievable effects shown, it will not be elaborated in this embodiment of the present application.

[0087] In some possible implementation manners, the third split device 1000C may include not only the first processing device 100C and the second processing device 200C, but also a third processing device. The structure of the third processing device may refer to the structure of the first processing device 100C or the second processing device 200C. The wake-up manner of the third processing device may refer to the wake-up manner of the first processing device 100C or the second processing device 200C, and the manner in which the third processing device wakes up other processing devices may refer to the second processing device 200C or the first processing device 100C. Exemplarily, the power supply circuit in the third processing device may be powered by the first power supply circuit 110C or by the first power supply board 210C. The third processing device may also include a data circuit, and the data circuit of the third processing device may be coupled to the first data circuit 140C and the second data circuit 240C through the fifth channel.

[0088] The circuit structure and functions of the third split device 1000C have been introduced above. Next, in combination with Figures 5 to 10The third split device 1000C shown is introduced with a possible process for the third split device 1000C to switch to the first standby state. Taking the first control chip 120C in the first processing device 100C as the main processor as an example, as Figure 11 shown.

[0089] S110: The first circuit 121C obtains the first standby signal.

[0090] Exemplarily, the first standby signal is used to instruct the third split device 1000C to enter the first standby state.

[0091] S120: In response to the first standby signal, the first circuit 121C controls the first power supply circuit 110C to stop supplying power to the display screen, sends a first standby instruction to the third circuit 221C through the fifth channel, the first data circuit 140C, and the second data circuit 240C, and controls the second circuit 122C to be initialized.

[0092] Exemplarily, being initialized can mean: the circuit stops working and stores relevant data.

[0093] S130: In response to the received first standby instruction, the third circuit 221C controls the first output terminal 211 of the first power supply board 210C to stop outputting an electrical signal, and controls the fourth circuit 222C to be initialized.

[0094] S140: The third circuit 221C sends a first notification signal to the first circuit 121C through the fifth channel, the first data circuit 140C, and the second data circuit 240C.

[0095] Exemplarily, the first notification signal is used to instruct the second processing device 200C to be initialized.

[0096] S150: The third circuit 221C releases the fifth channel, controls the second data circuit 240C to power down, and controls the fourth circuit 222C to power down.

[0097] Exemplarily, the fifth channel is a bus, and releasing the fifth channel means releasing the bus.

[0098] S160: In response to the first notification signal, the first circuit 121C releases the fifth channel, controls the first data circuit 140C to power down, controls the second circuit 122C to power down, and the third split device 1000C switches to the first standby state.

[0099] Exemplarily, when the third split device 1000C is in the first standby state, the wake-up source in the third split device 1000C is in the powered-on state.

[0100] Next, in combination with Figures 5 to 10The third split device 1000C shown is introduced with a possible process of waking up the third split device 1000C from the first standby state. Taking the first control chip 120C in the first processing device 100C as the main processor as an example, as Figure 12 shown.

[0101] S210; The third circuit 221C obtains the first wake-up signal, and the third circuit 221C recognizes and wakes up the third split device 1000C.

[0102] Exemplarily, the way for the third circuit 221C to confirm waking up the third split device 1000C can be: the third circuit 221C determines whether the first wake-up signal comes from a valid wake-up source. If the first wake-up signal comes from a valid wake-up source, the third split device 1000C is woken up. If the first wake-up signal does not come from a valid wake-up source, the third split device 1000C is not woken up.

[0103] S220: The third circuit 221C controls the first power supply board 210C to output a first electrical signal to the first power supply circuit 110C through the first output terminal 211 of the first power supply board 210C.

[0104] S230: The first power supply circuit 110C sends a second electrical signal to the first circuit 121C according to the received first electrical signal.

[0105] Exemplarily, the first power supply circuit 110C can convert the first electrical signal as a strong electrical signal into a second electrical signal as a weak electrical signal.

[0106] S240: In response to the second electrical signal, after the first circuit 121C controls the first power supply circuit 110C to supply power to the display screen through the first electrical signal, it controls the second circuit 122C to power on, controls the first data circuit 140C to power on, restores the fifth channel, and starts the fifth channel link establishment.

[0107] Exemplarily, the fifth channel is a bus, and restoring the fifth channel means restoring the bus.

[0108] S250: The third circuit 221C controls the fourth circuit 222C to power on, controls the second data circuit 240C to power on, restores the fifth channel, and starts the fifth channel link establishment. When the fifth channel link establishment is completed, the wake-up of the third split device 1000C is completed.

[0109] Next, in combination with Figures 5 to 10 the third split device 1000C shown, a possible process of waking up the third split device 1000C from the second standby state is introduced. Taking the first control chip 120C in the first processing device 100C as the main processor as an example, as Figure 13 shown.

[0110] S310: The first circuit 121C obtains the second wake-up signal, and the first circuit 121C confirms to wake up the third split device 1000C.

[0111] Exemplarily, the way for the first circuit 121C to confirm to wake up the third split device 1000C may be: the first circuit 121C determines whether the second wake-up signal comes from a valid wake-up source. If the second wake-up signal comes from a valid wake-up source, the third split device 1000C is woken up; if the second wake-up signal does not come from a valid wake-up source, the third split device 1000C is not woken up.

[0112] S320: The first circuit 121C controls the second power supply circuit 130C to power on the second circuit 122C through the fifth electrical signal from the second output terminal 212 of the first power supply board 210C, and the current value of the fifth electrical signal at the second output terminal 212 of the first power supply board 210C increases.

[0113] S330: The third circuit 221C detects that the current change value of the fifth electrical signal at the second output terminal 212 of the first power supply board 210C is greater than a preset value, and controls the first power supply board 210C to output a sixth electrical signal to the first power supply circuit 110C through the first output terminal 211 of the first power supply board 210C.

[0114] S340: The first circuit 121C controls the first power supply circuit 110C to supply power to the display screen through the sixth electrical signal.

[0115] S350: After the third circuit 221C controls the first power supply board 210C to supply power to the first power supply circuit 110C through the first output terminal 211 of the first power supply board 210C, it controls the second data circuit 240C to power on, controls the fourth circuit 222C to power on, controls to restore the fifth channel, and starts to establish a link for the fifth channel.

[0116] Exemplarily, the fifth channel is a bus, and restoring the fifth channel means restoring the bus.

[0117] S360; The first circuit 121C controls the second data circuit 240C to power on, restores the fifth channel, and starts to establish a link for the fifth channel. When the link establishment for the fifth channel is completed, the wake-up of the third split device 1000C is completed.

[0118] The above is introduced by taking the first control chip 120C as the main processor as an example. Optionally, the second control chip 220C can also be the main processor. The processes for the corresponding third split device 1000C to switch to the first standby state, be woken up from the first standby state, and be woken up from the second standby state can refer to Figure 11 、 Figure 12 、 Figure 13 The processes shown, and the embodiments of the present application will not be elaborated herein.

[0119] The first processing device 100C and the second processing device 200C provided by the embodiments of the present application do not need to rely on complex protocol processes, and each processing device can independently upgrade the system, providing friendly forward compatibility and backward compatibility.

[0120] Finally, it should be noted that the above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A first processing device, characterized in that, The first processing device is applied to a split device, which includes the coupled first processing device and second processing device; the first processing device includes a first power supply circuit and a first control chip, the first control chip includes a first circuit and a second circuit, and the first circuit is in an operating state when powered on; the split device has a first standby state, in which the first circuit is in a powered-on state and the second circuit is in a powered-off state; The first power supply circuit is configured to receive a first electrical signal sent by the second processing device in response to being awakened in the first standby state, and send a second electrical signal to the first circuit according to the first electrical signal; The first circuit is configured to control the second circuit to be powered on in response to the second electrical signal.

2. The device according to claim 1, characterized in that, The first processing device further includes a second power supply circuit; The second power supply circuit is configured to receive a third electrical signal sent by the second processing device in the first standby state, and supply power to the first circuit through the third electrical signal.

3. The device according to claim 2, wherein The first circuit is specifically configured to send a first enable signal to the second power supply circuit in response to the second electrical signal; The second power supply circuit is configured to supply power to the second circuit through the third electrical signal in response to the first enable signal.

4. The device according to claim 3, characterized in that The first processing device further includes a first data circuit and a display screen. The first data circuit is used to couple the second processing device and transmit data; in the first standby state, the first data circuit is in a powered-off state; The first circuit is further configured to control the first power supply circuit to supply power to the display screen through the first electrical signal in response to the second electrical signal; The second power supply circuit is further configured to supply power to the first data circuit through the third electrical signal after the first power supply circuit supplies power to the display screen through the first electrical signal in response to the first enable signal.

5. The device according to claim 1, characterized in that, The split device has a second standby state, in which both the first circuit and the second circuit are in a powered-off state; The first power supply circuit is configured to receive a fourth electrical signal sent by the second processing device in response to being awakened in the second standby state, and supply power to the first circuit and the second circuit through the fourth electrical signal.

6. A second processing device, characterized in that, The second processing device is applied to a split device, which includes the coupled second processing device and first processing device; the second processing device includes a power supply board and a second control chip, the power supply board includes a first output terminal, the first processing device includes a first circuit and a second circuit, and the first circuit is in an operating state when powered on; the split device has a first standby state, in which the first circuit is in a powered-on state and the second circuit is in a powered-off state; The second control chip is configured to, in the first standby state, in response to the acquired first wake-up signal, control the power supply board to send a first electrical signal to the first processing device through the first output terminal, where the first electrical signal is used to instruct the first circuit to power on the second circuit.

7. The device according to claim 6, characterized in that, The power supply board further includes a second output terminal; The power supply board is configured to, in the first standby state and when sending the first electrical signal to the first processing device through the first output terminal, send a third electrical signal to the first processing device through the second output terminal, where the third electrical signal is used to supply power to the first processing device.

8. The device according to claim 6 or 7, characterized in that, The second processing device further includes a second data circuit, where the second data circuit is used to couple to the first processing device and is used to transmit data; in the first standby state, the second data circuit is in a powered-off state; the first processing device further includes a display screen; The second control chip is further configured to, in response to the acquired first wake-up signal, after controlling the power supply board to send the first electrical signal to the first processing device through the first output terminal, control the power supply board to supply power to the second data circuit, and the first electrical signal is further used to supply power to the display screen.

9. The device according to claim 6, characterized in that, The split device has a second standby state; in the second standby state of the split device, both the first circuit and the second circuit are in a powered-off state; The second control chip is configured to, in the second standby state, in response to the acquired second wake-up signal, control the power supply board to send a fourth electrical signal to the first processing device through the first output terminal, where the fourth electrical signal is used to instruct to supply power to the first circuit and the second circuit.

10. A second processing device, characterized in that, The second processing device is applied to a split device, and the split device includes the coupled second processing device and first processing device; the second processing device includes a power supply board and a second control chip, the second control chip includes a third circuit and a fourth circuit, the third circuit is in an operating state when powered on, the power supply board includes a second output terminal; the split device has a third standby state, and in the third standby state, the third circuit is in a powered-on state and the fourth circuit is in a powered-off state; The power supply board is configured to send a fifth electrical signal to the first processing device through the second output terminal in the third standby state, where the fifth electrical signal is used to supply power to the first processing device; The third circuit is configured to control the fourth circuit to power on when the change value of the current of the fifth electrical signal is greater than a preset value.

11. The processing device according to claim 10, characterized in that, The first processing device further includes a display screen; the power supply board further includes a first output terminal; the second processing device further includes a second data circuit, where the second data circuit is used to couple to the first processing device and is used to transmit data; in the third standby state, the second data circuit is in a powered-off state; The third circuit is further configured to control the power supply board to send a sixth electrical signal to the first processing device through the first output terminal when a change value of the current of the fifth electrical signal is greater than the preset value; The third circuit is further configured to control the power supply board to supply power to the second data circuit after controlling the power supply board to send a sixth electrical signal to the first processing device through the first output terminal, and the sixth electrical signal is used to supply power to the display screen.

12. A first processing device, characterized in that, The first processing device is applied to a split device, and the split device includes the coupled first processing device and second processing device; the first processing device includes a second power supply circuit and a first control chip; the second processing device includes a third circuit and a fourth circuit, and the third circuit is in a working state when powered on; the split device has a third standby state, in which the third circuit is in a powered-on state and the fourth circuit is in a powered-off state; The second power supply circuit is configured to receive a fifth electrical signal from the second processing device and supply power to the first control chip through the fifth electrical signal in the third standby state; The first control chip is configured to switch to a working state in response to the acquired third wake-up signal; During the process that the first control chip switches to a working state in response to the acquired third wake-up signal, a change value of the current of the fifth electrical signal is greater than a preset value, and the change value of the current of the fifth electrical signal being greater than the preset value is used to indicate that the third circuit controls the fourth circuit to be powered on.

13. The device according to claim 12, characterized in that, The first processing device further includes a first data circuit, a display screen, and a first power supply circuit. The first data circuit is used to couple the second processing device and transmit data; in the third standby state, the first data circuit is in a powered-off state; The first power supply circuit is configured to receive a sixth electrical signal from the second processing device after the first control chip switches to a working state in response to the acquired third wake-up signal; The first control chip is further configured to, in response to the third wake-up signal, after controlling the first power supply circuit to supply power to the display screen through the sixth electrical signal, control the second power supply circuit to supply power to the first data circuit through the fifth electrical signal.

14. A split device, characterized in that, The split device includes the coupled first processing device and second processing device; the first processing device includes a first power supply circuit and a first control chip, and the first control chip includes a first circuit and a second circuit, and the first circuit is in a working state when powered on; the split device has a first standby state, in which the first circuit is in a powered-on state and the second circuit is in a powered-off state; the second processing device includes a power supply board and a second control chip, and the power supply board includes a first output terminal; The second control chip is configured to control the power supply board to send a first electrical signal to the first power supply circuit through the first output terminal in response to the acquired first wake-up signal in the first standby state; The first power supply circuit is configured to receive the first electrical signal in the first standby state and send a second electrical signal to the first circuit according to the first electrical signal; The first circuit is configured to control the second circuit to power on in response to the second electrical signal.

15. The device according to claim 14, characterized in that, The first processing device further includes a second power supply circuit; the power supply board further includes a second output terminal; The power supply board is configured to send a third electrical signal to the second power supply circuit through the second output terminal in the first standby state; The second power supply circuit is configured to receive the third electrical signal in the first standby state and supply power to the first circuit through the third electrical signal.

16. The device according to claim 15, wherein The power supply board is further configured to send a third electrical signal to the second power supply circuit through the second output terminal when sending the first electrical signal to the first processing device through the first output terminal; The first circuit is specifically configured to send a first enable signal to the second power supply circuit in response to the second electrical signal; The second power supply circuit is configured to supply power to the second circuit through the third electrical signal in response to the first enable signal.

17. The device according to claim 16, characterized in that, The first processing device further includes a first data circuit and a display screen, the second processing device further includes a second data circuit, the first data circuit and the second data circuit are coupled, and both the first data circuit and the second data circuit are configured to transmit data; in the first standby state, both the first data circuit and the second data circuit are in a powered-off state; The first circuit is further configured to control the first power supply circuit to supply power to the display screen through the first electrical signal in response to the second electrical signal; The second power supply circuit is further configured to supply power to the first data circuit through the third electrical signal after the first power supply circuit supplies power to the display screen through the first electrical signal in response to the first enable signal; The second control chip is further configured to control the power supply board to supply power to the second data circuit after controlling the power supply board to send the first electrical signal to the first processing device through the first output terminal in response to the acquired first wake-up signal.

18. The device according to claim 14, wherein The split device has a second standby state, and in the second standby state of the split device, both the first circuit and the second circuit are in a powered-off state; The second control chip is configured to control the power supply board to send a fourth electrical signal to the first power supply circuit through the first output terminal in response to the acquired second wake-up signal in the second standby state; The first power supply circuit is configured to receive the fourth electrical signal in the second standby state and supply power to the first circuit and the second circuit through the fourth electrical signal.

19. A split device, characterized in that, The split device includes the second processing device and the first processing device coupled thereto; the first processing device includes a second power supply circuit and a first control chip; the second processing device includes a power supply board and a second control chip, the second control chip includes a third circuit and a fourth circuit, the third circuit is in an operating state when powered on, and the power supply board includes a second output terminal; the split device has a third standby state, in which the third circuit is in a powered-on state and the fourth circuit is in a powered-off state; The power supply board is configured to send a fifth electrical signal to the second power supply circuit through the second output terminal in the third standby state; The second power supply circuit is configured to power the first control chip with the received fifth electrical signal in the third standby state; The first control chip is configured to switch to an operating state in response to obtaining a third wake-up signal; during the process in which the first control chip switches to the operating state in response to obtaining the third wake-up signal, the change value of the current of the fifth electrical signal is greater than a preset value; The third circuit is configured to control the fourth circuit to be powered on when the change value of the current of the fifth electrical signal is greater than the preset value.

20. The device according to claim 19, characterized in that, The first processing device further includes a first data circuit, a first power supply circuit and a display screen, the power supply board further includes a first output terminal, the second processing device further includes a second data circuit, the first data circuit is coupled to the second data circuit, and the first data circuit and the second data circuit are used for data transmission; in the third standby state, both the first data circuit and the second data circuit are in a powered-off state; The third circuit is further configured to, when the change value of the current of the fifth electrical signal is greater than the preset value, after controlling the power supply board to send a sixth electrical signal to the first power supply circuit through the first output terminal, control the power supply board to power the second data circuit; The first control chip is further configured to, in response to the third wake-up signal, after controlling the first power supply circuit to power the display screen with the received sixth electrical signal, control the second power supply circuit to power the first data circuit.

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