CN217085554U - USB Type-C interface plug wire awakening circuit and information receiving equipment - Google Patents
USB Type-C interface plug wire awakening circuit and information receiving equipment Download PDFInfo
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- CN217085554U CN217085554U CN202220651166.XU CN202220651166U CN217085554U CN 217085554 U CN217085554 U CN 217085554U CN 202220651166 U CN202220651166 U CN 202220651166U CN 217085554 U CN217085554 U CN 217085554U
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Abstract
The utility model discloses a USBType-C interface plug wire awakening circuit and information receiving equipment, this plug wire awakening circuit includes the diode, first resistance, second resistance and third resistance, the one end of first resistance is connected with the negative pole of diode and the one end of second resistance respectively, the other end of first resistance is connected with the positive pole of diode, the other end of second resistance is connected with the one end of third resistance, first resistance, the negative pole junction of second resistance and diode is connected with the VBUS pin of information source as the information source input, the junction of second resistance and third resistance is connected with signal controller. The utility model discloses a VBUS pin acquires the information source and inserts the level change that arouses to with level change signal transmission to signal controller after through second resistance and third resistance partial pressure, second resistance and triode avoid input voltage too high and damage signal controller, need not earlier the start and then insert the wiring of information source, realized the energy-conserving loss reduction of information receiving equipment wiring transmission in-process.
Description
Technical Field
The utility model relates to a control circuit's technical field especially relates to a USBType-C interface plug wire awakening circuit and information receiving equipment.
Background
The information transmission mode of signal transmission is very common in the communication field and people's daily life through setting up control circuit between electronic equipment and using the inter-device plug wire mode, and USBType-C interface plug wire awakening circuit structural design is simple and the theory of use is clear, has characteristics such as being convenient for manufacturing and convenient to use, has become one of the key research directions in current interface plug wire signal transmission technical field. In daily life, people often need electronic devices to transmit and receive information among the devices, the electronic devices generally used for information transmission and reception are display devices with screen display functions, the display devices are usually in a standby state during non-use time, meanwhile, the display screens are also in a closed state, before transmitting information, the display devices need to be turned on to enable the display devices to work normally, or a signal controller inside the display devices still keeps in a working state when the display devices are in the standby state, and is used for receiving external signals and waking up the display devices, for example, people transmit information stored in mobile devices such as mobile phones or tablet computers to information receiving devices such as computers, large-screen monitors or electronic whiteboards, the information receiving devices convert electric signals into pictures or videos, and the information transmission through the interface plug wires among the electronic devices is a conventional method choice, however, when the information receiving devices are wakened up by the existing method for transmitting information through the interface plug wires among the electronic devices, the signal controller in the information receiving device needs to keep a working state in a standby state to ensure that the signal controller can send a control signal to wake up the machine when detecting the USB Type-C interface plug wire and the input signal, so that the standby energy consumption of the machine is too high. Therefore, the problem that the standby energy consumption of the machine is too high exists in the method for waking up the machine device by plugging the wire in the prior art.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a USBType-C interface plug wire awakening circuit and information receiving equipment aims at receiving interface plug wire transmission signal when the information receiving equipment standby that exists in the solution prior art method and awakens up the problem that the energy consumption is too high in order to carry out the equipment.
In a first aspect, the embodiment of the utility model discloses a USB Type-C interface plug wake-up circuit, this plug wake-up circuit is connected with signal controller in the information source and the information receiving equipment respectively, and the circuit includes diode, first resistance, second resistance and third resistance; one end of the first resistor is respectively connected with the cathode of the diode and one end of the second resistor, and the other end of the first resistor is connected with the anode of the diode and grounded; the other end of the second resistor is connected with one end of a third resistor, and the other end of the third resistor is grounded; the junction of the first resistor, the second resistor and the cathode of the diode is used as a signal source input end and is connected with a VBUS pin of a signal source; the junction of the second resistor and the third resistor is used as a control signal output end to be connected with the signal controller.
Further, the diode is a zener diode.
Further, the regulated voltage of the zener diode is 5V, 3.3V, or 1.8V.
Further, the resistance value of the first resistor is 80-500K omega.
Further, the resistance value of the second resistor is 1-6K omega.
Further, the resistance value of the third resistor is 1-6K omega.
Further, the control signal output end is connected with a detection GPIO pin of the signal controller.
On the other hand, the embodiment of the utility model also discloses an information receiving device, which comprises the USB Type-C interface plug line wake-up circuit of the first aspect;
the USB Type-C interface plug wire wake-up circuit is connected with the signal controller.
Further, the signal controller is an MCU control chip.
Further, the withstand voltage of the signal controller is 5V, 3.3V or 1.8V.
According to the USB Type-C interface plug wire wake-up circuit and the information receiving equipment, the level change caused by the insertion of the information source is obtained through the VBUS pin, the level change signal is transmitted to the signal controller after voltage division is carried out through the second resistor and the third resistor, the signal controller is prevented from being damaged due to overhigh input voltage of the VBUS pin through the first resistor and the diode, the signal controller detects the level change of the VBUS pin, the information source is judged to be inserted and the information receiving equipment is awakened, wiring of the information source is not required to be started firstly and then inserted, the transmission efficiency of transmitting information in an external information source to the information receiving equipment is improved, and energy conservation and consumption reduction in the wiring transmission process of the information receiving equipment are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is an overall circuit diagram provided in an embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Please refer to fig. 1, which shows an embodiment of the USB Type-C interface patch cord wake-up circuit of the present invention, the USB Type-C interface patch cord wake-up circuit in this embodiment is connected and disposed between the information source as the information sending end and the information receiving device as the information sending destination, for controlling the function operation of the electronic device of the related electronic device in the information transmission process. In particular to a signal source with a USB Type-C interface, such as a notebook computer or a smart phone, which may be referred to as a Type-C source, an information receiving device for receiving data information from the source, the information receiving device may be a display device such as a large screen monitor, an electronic whiteboard, such display devices are commonly found in everyday life scenarios, where the display device is normally in a standby state during non-use times, meanwhile, the display screen is also in a closed state, the display equipment needs to be started before information is transmitted so as to enable the display equipment to work normally, or the signal controller inside the display device still keeps working state when the display device is in standby state, and is used for receiving external signal and waking up the display device, for example, people transmit information stored in mobile devices such as mobile phones or tablet computers to information receiving devices such as computers, large-screen monitors, or electronic whiteboards.
As shown in fig. 1, the plug wake-up circuit is connected to the signal controllers in the information source and the information receiving device, respectively, and includes a diode D, a first resistor R1, a second resistor R2, and a third resistor R3, one end of the first resistor R1 is connected to the cathode of the diode and one end of the second resistor R2, respectively, the other end of the first resistor R1 is connected to the anode of the diode and grounded, the other end of the second resistor R2 is connected to one end of the third resistor R3, the other end of the third resistor R3 is grounded, a connection between the first resistor R1, the second resistor R2, and the cathode of the diode is used as an input terminal of the information source and is connected to a VBUS pin of the information source, and a connection between the second resistor R2 and the third resistor R3 is used as an output terminal of a control signal and is connected to the signal controller. Specifically, in an actual usage scenario, a connection portion of a first resistor R1, a second resistor R2, and a cathode of a diode D in the wake-up circuit is connected to a device serving as a signal source, a plug interface at a signal source end is provided with a VBUS pin, multiple VBUS pins are combined into a VBUS pin network, after the plug interface at the signal source end is connected to the wake-up circuit, a level of the VBUS pin network changes from low to high, such a change is found by a signal controller of the information receiving device, a connection portion of a second resistor R2 and a third resistor R3 in the wake-up circuit serves as a port for controlling signal output by the signal controller, the control signal is used for waking up the information receiving device, meanwhile, the second resistor R2 and the third resistor R3 perform a voltage dividing function in the circuit, the first resistor R1 and the diode D perform a voltage stabilizing function in the circuit, so as to avoid that an input voltage is too high to damage the signal controller, in this embodiment, the first resistor R1, the second resistor R3 and the diode D serve as a voltage is used for avoiding damage the signal controller After second resistance R2, third resistance R3 and diode D's plug-in line awakening circuit inserted information source equipment and information receiving equipment simultaneously, realized information receiving equipment's awakening and the transmission and the receipt of information, adopt the utility model provides a plug-in line awakening circuit can reduce the reliance to signal controller under the whole standby's of information receiving equipment condition, improved information transmission and the efficiency of receipt between information receiving equipment and information source, make signal controller can keep lower energy consumption under the whole standby's condition, when regard as the information source with mobile intelligent equipment such as cell-phone, USB flash disk or panel computer, the user can also utilize this plug-in line awakening circuit to make information receiving equipment charge to mobile intelligent equipment, has expanded information receiving equipment's service function.
The patch wake-up circuit in this embodiment includes a diode D, a first resistor R1, a second resistor R2, and a third resistor R3, where four pins a4, a9, B4, and B9 in the Type-C signal source interface form a VBUS pin network, the VBUS pin network at the Type-C signal source end corresponds to the VBUS pin network at the information receiving device end, and a connection between the second resistor R2 and the third resistor R3 is used as an output end of a control signal and is connected to a signal controller, during a specific operation of the patch wake-up circuit at the USB Type-C interface in this embodiment, the VBUS pin network at the information receiving device end outputs 5V, that is, the voltage of the VBUS pin network in standby state is 0V, when the Type-C signal source is connected to the information receiving device, the VBUS pin network voltage at the information receiving device end may change from 0V to 5V, and the signal controller of the information receiving device may detect a level change of the VBUS pin network at the information receiving device end by detecting GPIO Whether the USB plug-in circuit is plugged in or not, when the detection GPIO detects that the VBUS pin network is changed from low level to high level, the signal controller judges that the Type-C information source is plugged in the information receiving equipment through the USB Type-C interface, the information receiving equipment is awakened, and the information receiving equipment enters the starting mode from the standby mode.
In conclusion, the USB Type-C interface plug-in line awakening circuit judges the insertion of the information source by enabling the signal controller in the information receiving equipment to detect the level change of the VBUS pin and awakens the information receiving equipment, changes the traditional connection transmission mode of firstly starting up and then inserting the information source, improves the working efficiency of information transmission between electronic equipment through the interface plug-in line, solves the problem of high energy consumption caused by the fact that the signal controller keeps the working state under the standby state of the information receiving equipment, and realizes energy conservation and consumption reduction in the process of information transmission between the electronic equipment through connection.
Further, the diode is a zener diode D, specifically, after the information receiving device wakes up successfully, the information receiving device charges the information source through the VBUS pin network, the charging voltage may have voltages with voltage values of 5V, 9V, 12V, 20V, and the like according to the PD protocol of the information source, and when the charging voltage is too high, the detection GPIO of the signal controller in the information receiving device may be damaged, so that the patch cord wake-up circuit needs to add a protection circuit, the configurable diode is the zener diode D, when the information receiving device charges the information source, the zener diode D stabilizes the voltage input to the signal controller for detecting the GPIO at a fixed voltage value, and the pin of the signal controller is protected from being broken down due to the too high voltage.
Further, the regulated voltage of the regulator diode D is 5V, 3.3V or 1.8V; the resistance value of the first resistor R1 is 80-500K omega, the resistance value of the second resistor R2 is 1-6K omega, and the resistance value of the third resistor R3 is 1-6K omega.
Further, the control signal output end is connected with a detection GPIO pin of the signal controller, specifically, a control signal output end formed by a second resistor R2 and a third resistor R3 in the plug wire wake-up circuit, and when the signal controller detects that the VBUS pin network voltage of the information receiving device end is changed from 0V to 5V through the GPIO pin, the signal controller can send a control signal related to the wake-up device to the information receiving device, so that the information receiving device can be woken up.
The embodiment of the utility model provides an in still provide an information receiving equipment, including foretell USB Type-C interface plug wire awakening circuit. The signal controller is an MCU control chip, specifically, the information receiving device can be a display electronic device with information receiving, storing and displaying functions, such as a computer or a smart phone, and the like, the technical requirement standard for the signal control function is high, the information processing efficiency of the signal controller is influenced by the specific form of the signal controller, the MCU control chip can quickly and reliably complete the requirement of certain data volume communication, the information transmission efficiency is ensured, and the MCU control chip is small in size and convenient to set in the display electronic device to realize the information receiving, storing and displaying functions.
Further, the withstand voltage of the signal controller is 5V, 3.3V, or 1.8V.
The utility model discloses a USB Type-C interface plug wake-up circuit, this plug wake-up circuit is connected with the signal controller in information source and the information receiving equipment respectively, and plug wake-up circuit includes diode, first resistance R1, second resistance R2 and third resistance R3; one end of the first resistor R1 is respectively connected with the cathode of the diode and one end of the second resistor R2, and the other end of the first resistor R1 is connected with the anode of the diode and grounded; the other end of the second resistor R2 is connected with one end of a third resistor R3, and the other end of the third resistor R3 is grounded; the junction of the first resistor R1, the second resistor R2 and the cathode of the diode is used as a signal source input end and is connected with a VBUS pin of a signal source; the junction of the second resistor R2 and the third resistor R3 is connected with the signal controller as a control signal output end. The utility model discloses a VBUS pin acquires the information source and inserts the level change that arouses, and change signal transmission to signal controller with the level after through second resistance and third resistance partial pressure, avoid VBUS pin input voltage too high and damage signal controller through first resistance and diode, thereby judge the information source through the level change of signal controller detection VBUS pin and insert and awaken up information receiving equipment, need not the wiring of opening earlier and then inserting the information source, the transmission efficiency of information transmission to information receiving equipment in with external information source has been improved, and the energy-conservation that has realized in the information receiving equipment wiring transmission process is decreased consumption. The information receiving equipment plugged line awakening process carried out by the USB Type-C interface plugged line awakening circuit is applied, the information receiving equipment accessed into the information receiving equipment using the USB Type-C interface plugged line awakening circuit in the embodiment keeps a standby state before the information source is not accessed, and can be automatically awakened after the information source is accessed, and does not need the signal controller (such as a chip) to keep working state in the standby state, avoids the increase of energy consumption caused by the signal controller keeping working state in the standby state of the information receiving equipment, realizes the quick conversion of the plug-wake-up-transmission process, the energy-saving and consumption-reducing device has the advantages that the transmission efficiency is guaranteed, the working efficiency of information transmission between electronic equipment through interface plug wires is improved, the problem of high energy consumption caused by the fact that the signal controller keeps a working state when the information receiving equipment is in a standby state is solved, and the energy-saving and consumption-reducing effects of the process of information transmission between the electronic equipment through wiring are achieved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A USB Type-C interface plug wire wake-up circuit is connected with signal controllers in an information source and information receiving equipment respectively and is characterized in that the circuit comprises a diode, a first resistor, a second resistor and a third resistor;
one end of the first resistor is connected with the cathode of the diode and one end of the second resistor respectively, and the other end of the first resistor is connected with the anode of the diode and grounded;
the other end of the second resistor is connected with one end of the third resistor, and the other end of the third resistor is grounded;
the junction of the first resistor, the second resistor and the cathode of the diode is used as a signal source input end and is connected with a VBUS pin of the signal source;
and the joint of the second resistor and the third resistor is used as a control signal output end and is connected with the signal controller.
2. The USBType-C interface cord wake-up circuit of claim 1, wherein the diode is a zener diode.
3. The USBType-C interface plug-in wake-up circuit of claim 2, wherein the regulated voltage of the Zener diode is 5V, 3.3V or 1.8V.
4. The USBType-C interface plug-in wake-up circuit of claim 1, wherein the resistance of the first resistor is 80-500K Ω.
5. The USBType-C interface patch cord wake-up circuit of claim 4, wherein the resistance of the second resistor is 1-6K Ω.
6. The USBType-C interface plug-in wake-up circuit of claim 4, wherein the third resistor has a resistance of 1-6K Ω.
7. The USBType-C interface plug-in wake-up circuit of claim 1, wherein the control signal output is connected to a detection GPIO pin of the signal controller.
8. An information receiving device, characterized in that the information receiving device comprises a signal controller and a USB Type-C interface plug-in wake-up circuit according to any one of claims 1 to 7;
the USB Type-C interface plug wire wake-up circuit is connected with the signal controller.
9. The information receiving apparatus according to claim 8, wherein the signal controller is an MCU control chip.
10. The information receiving apparatus according to claim 8, wherein the withstand voltage of the signal controller is 5V, 3.3V, or 1.8V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651166.XU CN217085554U (en) | 2022-03-23 | 2022-03-23 | USB Type-C interface plug wire awakening circuit and information receiving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220651166.XU CN217085554U (en) | 2022-03-23 | 2022-03-23 | USB Type-C interface plug wire awakening circuit and information receiving equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217085554U true CN217085554U (en) | 2022-07-29 |
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| CN202220651166.XU Active CN217085554U (en) | 2022-03-23 | 2022-03-23 | USB Type-C interface plug wire awakening circuit and information receiving equipment |
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| CN (1) | CN217085554U (en) |
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- 2022-03-23 CN CN202220651166.XU patent/CN217085554U/en active Active
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