CN213043666U - Low-power consumption standby electronic equipment - Google Patents
Low-power consumption standby electronic equipment Download PDFInfo
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- CN213043666U CN213043666U CN202020808570.4U CN202020808570U CN213043666U CN 213043666 U CN213043666 U CN 213043666U CN 202020808570 U CN202020808570 U CN 202020808570U CN 213043666 U CN213043666 U CN 213043666U
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Abstract
The embodiment of the utility model provides a low-power consumption standby electronic equipment, electronic equipment includes power module, first power control module, second power control module, host system and control signal input module: the power supply input end of the first power supply control module is connected with the power supply output end of the power supply module, the power supply output end of the first power supply control module is connected with the power supply input end of the second power supply control module, the first control end of the first power supply control module is connected with the output end of the control signal input module, and the power supply output end of the second power supply control module is connected with the power supply input end of the main control module; the embodiment is used for controlling the starting or the shutdown of the electronic equipment and realizing the low-power standby or awakening of the electronic equipment.
Description
Technical Field
The utility model relates to an electronic circuit field especially relates to a low-power consumption standby electronic equipment.
Background
The portable electronic products usually have a portable power supply module, and some functional modules of these portable electronic products are powered by some control power supply modules of low-power standby electronic devices. The design concept of the existing low-power standby electronic equipment is generally as follows: when the electronic products are not needed to be used temporarily, the electronic products enter a standby mode and operate with lower power consumption, so that the power is saved. However, even if the existing electronic product runs with lower power consumption, the user still needs to consume more electric quantity, the user needs to charge the product frequently, and if the electric quantity is saved by shutdown, the user needs to switch on and off frequently, so that the user experience is poor.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a low-power consumption standby electronic equipment to reduce the consumption of electronic product, save the electric quantity, improve user experience.
The utility model provides a low-power consumption standby electronic equipment, electronic equipment includes power module, first power control module, second power control module, host system and control signal input module:
the power input end of the first power control module is connected with the power output end of the power supply module, the power output end of the first power control module is connected with the power input end of the second power control module, the first control end of the first power control module is connected with the output end of the control signal input module, the power output end of the second power control module is connected with the power input end of the main control module, the first power control module is used for receiving and supplying power to the second power control module according to the power-on signal of the control signal input module, or is used for receiving and powering off the second power control module according to the power-off signal of the control signal input module so as to control the power-on or power-off of the electronic equipment;
the first control end of the second power control module is connected with the output end of the control signal input module, the second control end of the second power control module is connected with the output end of the main control module, the second power control module is used for receiving the standby signal input by the main control module, and the main control module is powered off, and the second power control module is also used for receiving the awakening signal input by the control signal input module, and the main control module supplies power to realize low-power standby or awakening of the electronic equipment.
Preferably, the control signal input module includes a power on/off unit and a wake-up unit, an output end of the power on/off module is connected to the first control end of the first power control module, and the power on/off unit is configured to output the power on signal or output the power off signal; the awakening unit is connected with the first control end of the second power supply control module and used for outputting the awakening signal.
Preferably, the second power control module includes a power control unit, a first resistor, a second resistor and a first capacitor, wherein a first terminal of the power control unit is connected to the first power control module, and a second terminal and a third terminal of the power control unit are both connected to the main control module; the first end of the first resistor is connected with the fourth wiring end of the power control unit, the second end of the first resistor is connected with the control signal input module, the first capacitor is connected with the first resistor in parallel, the first end of the second resistor is connected with the fourth wiring end of the power control unit, and the second end of the second resistor is connected with the first power control module.
Preferably, the power control unit includes a PMOS transistor and an NMOS transistor, a source of the PMOS transistor is connected to the first power control module, a gate of the PMOS transistor is connected to a drain of the NMOS transistor, a connection point of the PMOS transistor and the NMOS transistor is connected to the second end of the first resistor, the drain of the PMOS transistor and the gate of the NMOS transistor are both connected to the main control module, and the source of the NMOS transistor is grounded.
Preferably, the switch unit includes a first switch, a first end of the first switch is connected to the second power control module, and a second end of the first switch is grounded; the first switch is a press switch or a touch switch;
the first switch is used for outputting the starting signal or outputting the shutdown signal.
Preferably, the wake-up unit includes a second switch, a first end of the second switch is connected to the second power control module, and a second end of the second switch is grounded; the second switch is a vibration switch;
the second switch is used for outputting the wake-up signal.
Preferably, the power supply module includes an energy storage unit and a third resistor, a first end of the third resistor is connected to the first terminal of the first power control module, a second end of the third resistor is connected to the first end of the energy storage unit, and a second end of the energy storage unit is grounded.
Preferably, the control signal input module further includes a diode, a cathode of the diode is connected to the first end of the second switch, and an anode of the diode is connected to the output end of the power supply module.
The embodiment of the utility model provides a low-power consumption standby electronic equipment, come the switching on and shutting down of controlling this low-power consumption standby electronic equipment through setting up first power control unit, receive wake-up signal or host system's standby signal of wake-up module through setting up a second power control unit, supply power for host system with control power module, perhaps control power module stops to supply power for host system, make host system realize "idle" outage, host system's consumption has been reduced, make this electronic equipment realize the low-power consumption standby.
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 of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of a low power consumption standby electronic device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a low power standby electronic device according to another embodiment of the present invention;
fig. 3 is a circuit diagram of a low power consumption standby electronic device according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a power control unit according to 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 efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", "third", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the utility model provides a low-power consumption standby electronic equipment, this low-power consumption standby electronic equipment can be some movable's electronic product, like cell-phone, notebook computer, panel computer, intelligent bracelet, intelligent stereo set, smart card, USBKEY, dynamic token etc. to the break-make electricity of the host system 30 in the control electronic product. As shown in fig. 1, the low power consumption standby electronic device includes a power supply module 10, a first power control module 20, a second power control module 30, a main control module 40, and a control signal input module 50.
A power input end of the first power control module 20 is connected to a power output end of the power supply module 10, a power output end of the first power control module 20 is connected to a power input end of the second power control module 30, a first control end of the first power control module 20 is connected to an output end of the control signal input module 50, and the first power control module 20 is configured to receive and supply power to the second power control module 30 according to a power-on signal of the control signal input module 50, or receive and power off the second power control module 30 according to a power-off signal of the control signal input module 50, so as to control power on or off of the electronic device;
the power output end of the second power control module 30 is connected with the power input end of the main control module 40, the first control end of the second power control module 30 is connected with the output end of the control signal input module 50, the second control end of the second power control module 30 is connected with the output end of the main control module 40, the second power control module 30 is used for receiving the standby signal input by the main control module 40, and is right to power off the main control module 40, the second power control module 30 is also used for receiving the wake-up signal input by the control signal input module 50, and is right to power the main control module 40 to realize low power consumption standby or wake-up of the electronic device.
The power supply module 10 is configured to output current to supply power to some modules, such as the main control module 40; the first power control module 20 is used to control the power on/off of the second power control module 30, and the first power control module 20 may be implemented by using some power chips, for example, XC 6194A; the second power control module 30 may be configured to control the power on/off of the main control module 40, so as to control the main control module 40 to enter a standby state or a working state; the control signal input module 50 is configured to output a control signal to control the second power control module 30 to supply power to or cut off power from the control main control module 40, that is, to wake up the main control module 40 to work. In addition, the low power consumption standby electronic device may further control the power off of the main control module 40 by outputting a standby signal through the control signal input module 50. The second power control module 30 may be a power chip, and the control signal input module may be a multifunctional key switch, so as to output a power-on signal or a power-off signal by pressing a key for a long time, output a standby signal by pressing a key for a short time, and output a wake-up signal by vibrating or striking the key switch.
It should be noted that the standby signal may be sent by the main control module when the main control module does not receive an external control instruction within a preset time period. This outside control command can be the user and produce when operating electronic equipment, is intelligent bracelet like electronic equipment, and the user is using intelligent bracelet to carry out functional operation such as rhythm of the heart monitoring or calculation step number, perhaps touches screen or button etc. of electronic product under the condition of electronic equipment circular telegram, of course, the embodiment of the utility model provides a do not do the injecing to outside control command's production. When the user does not operate the electronic device within the preset time, the main control module 40 sends a standby signal, where the preset time is freely set according to the requirement.
In the embodiment, the first power control module is arranged to control the low-power standby electronic device to be turned on and off, and the second power control module is arranged to receive the wake-up signal or the standby signal of the wake-up module, so that the power supply module is controlled to supply power to the main control module, or the power supply module is controlled to stop supplying power to the main control module, so that the main control module is powered off in idle time, the power consumption of the main control module is reduced, and the electronic device is enabled to be in low-power standby.
Specifically, as shown in fig. 2, the control signal input module 50 includes a power on/off unit 51 and a wake-up unit 52, an output end of the power on/off unit 51 is connected to a first control end of the first power control module 20, and the power on/off unit 51 is configured to output the power-on signal or output the power-off signal; the wake-up unit 52 is connected to the first control end of the second power control module 30, and the wake-up unit 52 is configured to output the wake-up signal.
Further, as shown in fig. 3 and 4, the second power control module 30 includes: the controller comprises a power supply control unit 31, a first resistor R1, a second resistor R2 and a first capacitor C1, wherein a first terminal of the power supply control unit 31 is connected with the first power supply control module 20, and a second terminal and a third terminal of the power supply control unit 31 are both connected with the main control module 40; the first end of the first resistor R1 is connected to the fourth terminal of the power control unit 31, the second end of the first resistor R1 is connected to the control signal input module 50, the first capacitor C1 is connected to the first resistor R1 in parallel, the first end of the second resistor R2 is connected to the fourth terminal of the power control unit 31, and the second end of the second resistor R2 is connected to the first power control module 20.
Illustratively, the power control unit 31 may be composed of a MOS or may be a power chip. Preferably, as shown in fig. 4, the power control unit 31 may include a PMOS transistor Q1 and an NMOS transistor Q2, a source of the PMOS transistor Q1 is connected to the first power control module 20, a gate of the PMOS transistor Q1 is connected to a drain of the NMOS transistor Q2, a connection point of the PMOS transistor Q1 and the NMOS transistor Q2 is connected to the second end of the first resistor R1, both the drain of the PMOS transistor Q1 and the gate of the NMOS transistor Q2 are connected to the main control module 40, and a source of the NMOS transistor Q2 is grounded.
Specifically, the source of the PMOS transistor Q1 forms a first terminal of the power control unit 31, the gate of the PMOS transistor Q1 is connected to the drain of the NMOS transistor Q2, the connection point of the PMOS transistor Q1 and the NMOS transistor Q2 forms a fourth terminal of the power control unit 31, the drain of the PMOS transistor Q1 forms a second terminal of the power control unit 31, and the gate of the NMOS transistor Q2 forms a third terminal of the power control unit 31.
The wake-up signal may be a low level signal, such as PMOS _ EN, and when the wake-up unit 52 outputs the wake-up signal, the gate of the PMOS transistor Q1 receives the wake-up signal, so that the source and the drain of the PMOS transistor Q1 are turned on to form a closed power supply loop, the current output by the power supply module 10 is output to the main control module 40 through the first power control module 20 and the PMOS transistor Q1, and the main control module 40 is powered on. After the main control module 40 is powered on, a high level is output, for example, VCC _ CTRL is output to the gate of the NMOS transistor Q2, so that the NMOS transistor Q2 is turned on to pull down the gate voltage of the PMOS transistor Q1, thereby ensuring that the PMOS transistor Q1 is continuously turned on, and the power supply module 10 continuously supplies power to the main control module 40.
When the power supply module 10 supplies power to the main control module 40, and the main control module 40 does not receive an operation command for a long time, or the main control module 40 receives a standby command, the main control module 40 outputs a standby signal, such as a low level, to the gate of the NMOS transistor Q2, so that the NMOS transistor Q2 is in a disconnected state, and the gate voltage of the PMOS transistor Q1 is raised, so that the PMOS transistor Q1 is in a disconnected state, and then a power supply loop of the power supply module 10 is cut off, power supply to the main control module 40 is stopped, and the main control module 40 enters a standby state.
The power on/off unit 51 includes a first switch, a first end of the first switch is connected to the first power control module, and a second end of the first switch is grounded; the first switch is used for outputting the starting signal or outputting the shutdown signal. The first switch is a push switch or a touch switch, and accordingly, the power-on signal or the power-off signal can be generated by pushing or touching the first switch;
the wake-up unit 52 includes a second switch, a first end of the second switch is connected to the second power control module 30, and a second end of the second switch is grounded; the second switch is used for outputting the wake-up signal. The second switch is a vibration switch, and the wake-up signal can be generated by knocking or vibrating the second switch.
Further, the power supply module 10 may include an energy storage unit 11 and a third resistor R3, a first end of the third resistor R3 is connected to the first terminal of the first power control module 20, a second end of the third resistor R3 is connected to the first end of the energy storage unit 11, and the second end of the energy storage unit 11 is grounded.
The energy storage unit 11 may be a rechargeable battery, such as a lithium battery, and the third resistor R3 is used for providing a pull-up bias level for the first power control module 20.
Furthermore, the wake-up module 50 may further include a diode D1, a cathode of the diode D1 is connected to the wake-up unit, and an anode of the diode D1 is connected to the output terminal of the power supply module 10.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a low-power consumption standby electronic equipment which characterized in that, electronic equipment includes power module, first power control module, second power control module, host system and control signal input module:
the power input end of the first power control module is connected with the power output end of the power supply module, the power output end of the first power control module is connected with the power input end of the second power control module, the first control end of the first power control module is connected with the output end of the control signal input module, the power output end of the second power control module is connected with the power input end of the main control module, the first power control module is used for receiving and supplying power to the second power control module according to the power-on signal of the control signal input module, or is used for receiving and powering off the second power control module according to the power-off signal of the control signal input module so as to control the power-on or power-off of the electronic equipment;
the first control end of the second power control module is connected with the output end of the control signal input module, the second control end of the second power control module is connected with the output end of the main control module, the second power control module is used for receiving the standby signal input by the main control module, and the main control module is powered off, and the second power control module is also used for receiving the awakening signal input by the control signal input module, and the main control module supplies power to realize low-power standby or awakening of the electronic equipment.
2. The low-power-consumption standby electronic device according to claim 1, wherein the control signal input module includes a power on/off unit and a wake-up unit, an output terminal of the power on/off unit is connected to the first control terminal of the first power control module, and the power on/off unit is configured to output the power-on signal or output the power-off signal; the awakening unit is connected with the first control end of the second power supply control module and used for outputting the awakening signal.
3. The low power standby electronic device of claim 1, wherein the second power control module comprises a power control unit, a first resistor, a second resistor, and a first capacitor, wherein a first terminal of the power control unit is connected to the first power control module, and a second terminal and a third terminal of the power control unit are both connected to the main control module; the first end of the first resistor is connected with the fourth wiring end of the power control unit, the second end of the first resistor is connected with the control signal input module, the first capacitor is connected with the first resistor in parallel, the first end of the second resistor is connected with the fourth wiring end of the power control unit, and the second end of the second resistor is connected with the first power control module.
4. The low-power consumption standby electronic device according to claim 3, wherein the power control unit comprises a PMOS transistor and an NMOS transistor, a source of the PMOS transistor is connected to the first power control module, a gate of the PMOS transistor is connected to a drain of the NMOS transistor, a connection point of the PMOS transistor and the NMOS transistor is connected to the second end of the first resistor, the drains of the PMOS transistor and the NMOS transistor are both connected to the main control module, and the source of the NMOS transistor is grounded.
5. The low power consumption standby electronic device according to claim 2, wherein the switch unit comprises a first switch, a first terminal of the first switch is connected to the second power control module, and a second terminal of the first switch is grounded; the first switch is a press switch or a touch switch;
the first switch is used for outputting the starting signal or outputting the shutdown signal.
6. The low power standby electronic device of claim 2, wherein the wake-up unit comprises a second switch, a first terminal of the second switch is connected to the second power control module, and a second terminal of the second switch is grounded; the second switch is a vibration switch;
the second switch is used for outputting the wake-up signal.
7. The low power consumption standby electronic device according to claim 6, wherein the power supply module comprises an energy storage unit and a third resistor, a first end of the third resistor is connected to the first terminal of the first power control module, a second end of the third resistor is connected to the first end of the energy storage unit, and a second end of the energy storage unit is grounded.
8. The low power standby electronic device of claim 7, wherein the control signal input module further comprises a diode, and a cathode of the diode is connected to the first terminal of the second switch, and an anode of the diode is connected to the output terminal of the power supply module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020808570.4U CN213043666U (en) | 2020-05-14 | 2020-05-14 | Low-power consumption standby electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020808570.4U CN213043666U (en) | 2020-05-14 | 2020-05-14 | Low-power consumption standby electronic equipment |
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| CN213043666U true CN213043666U (en) | 2021-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625856A (en) * | 2021-07-26 | 2021-11-09 | 上海金卓科技有限公司 | Switching on and shutting down circuit and electronic equipment |
| CN114362733A (en) * | 2021-12-28 | 2022-04-15 | 浙江大华技术股份有限公司 | Startup and shutdown control circuit and method and electronic equipment |
-
2020
- 2020-05-14 CN CN202020808570.4U patent/CN213043666U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625856A (en) * | 2021-07-26 | 2021-11-09 | 上海金卓科技有限公司 | Switching on and shutting down circuit and electronic equipment |
| CN113625856B (en) * | 2021-07-26 | 2024-06-25 | 上海金卓科技有限公司 | Startup and shutdown circuit and electronic equipment |
| CN114362733A (en) * | 2021-12-28 | 2022-04-15 | 浙江大华技术股份有限公司 | Startup and shutdown control circuit and method and electronic equipment |
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