CN113054967B - Control circuit and method for startup and shutdown - Google Patents
Control circuit and method for startup and shutdown Download PDFInfo
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- CN113054967B CN113054967B CN202110232263.5A CN202110232263A CN113054967B CN 113054967 B CN113054967 B CN 113054967B CN 202110232263 A CN202110232263 A CN 202110232263A CN 113054967 B CN113054967 B CN 113054967B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention provides a startup and shutdown control device and method, and relates to the technical field of circuits. The method comprises the following steps: the power management auxiliary chip, the main control power module, the auxiliary power module and the switch module. The auxiliary power supply module is electrically connected with the switch module and used for outputting a switching signal to the power supply management auxiliary chip when the detection signal output by the switch module is acquired; the power management auxiliary chip is respectively and electrically connected with the auxiliary power module and the main control power module and is used for respectively outputting control signals to the auxiliary power module and the main control power module according to the switching signals; the main control power supply module and the auxiliary power supply module are respectively used for controlling the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric equipment. The occupation of the space of the circuit board is reduced, the maintenance of the circuit is convenient, the control of the on-off can be realized, the configuration is convenient, the user experience is improved, and the zero-power standby can be completely realized.
Description
Technical Field
The invention relates to the technical field of circuit control, in particular to a control circuit and a method for startup and shutdown.
Background
With the development of scientific technology, various electric equipment such as robots are more and more. Controlling power-on or power-off of electrical devices has become an essential control content. It is becoming more and more important to effectively control the on/off of the electric equipment.
In the related technology, a relatively complex pure analog circuit is built, and when the startup and shutdown parameters change (for example, the startup and shutdown length changes according to the time length), the parameters of the analog device are adjusted to realize the startup and shutdown control.
However, in the related art, the pure analog circuit is complex, occupies too much space on the circuit board, and is inconvenient for circuit maintenance.
Disclosure of Invention
The present invention is directed to provide a control circuit and a method for power on/off to solve the problems of complicated pure analog circuit, excessive occupation of circuit board space, and inconvenience in circuit maintenance in the related art.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides an on-off control apparatus, which is applied to a power-consuming device, and includes: the power management auxiliary chip, the main control power module, the auxiliary power module and the switch module;
the auxiliary power supply module is electrically connected with the switch module and used for outputting a switching signal to the power supply management auxiliary chip when the detection signal output by the switch module is acquired;
the power management auxiliary chip is respectively and electrically connected with the auxiliary power module and the main control power module and is used for respectively outputting control signals to the auxiliary power module and the main control power module according to the switching signals;
the main control power supply module and the auxiliary power supply module are respectively used for controlling the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric equipment.
Optionally, the power management auxiliary chip includes: switch signal input pin, main power control pin and auxiliary power control pin, the auxiliary power module includes: signal output part and auxiliary power supply control end, the main control power supply module includes: a main control power supply control end;
the signal output end is electrically connected with the switching signal input pin, and the auxiliary power supply module outputs the switching signal to the power management auxiliary chip through the signal output end and the switching signal input pin when the detection signal is acquired;
the main power control pin is electrically connected with the main power control end, and the power management auxiliary chip outputs the control signal to the main power module through the main power control pin and the main power control end;
the auxiliary power supply control pin is electrically connected with the auxiliary power supply control end, and the power supply management auxiliary chip outputs the control signal to the auxiliary power supply module through the auxiliary power supply control pin and the auxiliary power supply control end.
Optionally, the power consumption device further includes: the main chip, the power management auxiliary chip still includes: a communication pin;
the communication pin is electrically connected with the main chip;
the power management auxiliary chip is specifically configured to: and receiving a closing indication signal of the main chip through the communication pin, and respectively outputting a control signal for shutdown to the auxiliary power supply module and the main control power supply module according to the closing indication signal.
Optionally, the auxiliary power supply module includes: the circuit comprises a first resistor, a second resistor, a first triode, a first diode, a second diode, a third resistor, a fourth resistor and a first field effect transistor;
one end of each of the first resistor and the second resistor is electrically connected with the control end of the auxiliary power supply, the other end of the first resistor is electrically connected with the base electrode of the first triode, and the other end of the second resistor and the emitting electrode of the first triode are both grounded;
the collector of the first triode is electrically connected with the anode of the first diode, the cathode of the first diode is electrically connected with the cathode of the second diode, the anode of the second diode is electrically connected with the auxiliary power supply through the signal output end, and the switch module is connected between the cathode of the first diode and the cathode of the second diode;
one end of the third resistor is electrically connected with the anode of the first diode, one end of the fourth resistor is electrically connected with the other end of the third resistor, the other end of the fourth resistor is electrically connected with the drain electrode of the first field-effect tube, the grid electrode of the first field-effect tube is electrically connected between the third resistor and the fourth resistor, and the source electrode of the first field-effect tube is electrically connected with the auxiliary power supply.
Optionally, the main control power supply module includes: the second triode is connected with the first resistor, the third resistor and the fourth resistor;
one end of each of the fifth resistor and the sixth resistor is electrically connected with the control end of the master control power supply, the other end of the fifth resistor is electrically connected with the base electrode of the second triode, and the other end of the sixth resistor and the emitting electrode of the second triode are both grounded;
the collector of the second triode is electrically connected with one end of the seventh resistor, the other end of the seventh resistor is electrically connected with the grid of the second field effect transistor respectively, one end of the eighth resistor is electrically connected, the other end of the eighth resistor is electrically connected with the drain of the second field effect transistor, and the source of the second field effect transistor is electrically connected with the master control power supply.
In a second aspect, an embodiment of the present invention provides a method for controlling power on and power off, including:
acquiring a switching signal output by an auxiliary power supply module, wherein the switching signal is output by the auxiliary power supply module when a detection signal from a switch module is detected;
and respectively outputting control signals to the auxiliary power supply module and the main control power supply module according to the switching signals, so that the main control power supply module and the auxiliary power supply module control the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signals to control the startup or shutdown.
Optionally, the outputting control signals to the auxiliary power module and the main control power module respectively according to the switching signal includes:
if the switching signal is determined to be a preset power-on switching signal, respectively outputting a power-on control signal to the auxiliary power supply module and the main control power supply module, so that the main control power supply module and the auxiliary power supply module respectively control the communication of the main control power supply and the auxiliary power supply according to the power-on control signal.
Optionally, the outputting control signals to the auxiliary power module and the main control power module respectively according to the switching signal includes:
if the switching signal is determined to be a preset shutdown switching signal, a shutdown control signal is output to the auxiliary power supply module, and then the shutdown control signal is output to the main control power supply module, so that the main control power supply module and the auxiliary power supply module control the disconnection of the main control power supply and the auxiliary power supply according to the shutdown control signal to control shutdown.
Optionally, the first outputting a shutdown control signal to the auxiliary power supply module, and then outputting the shutdown control signal to the main power supply module includes:
and detecting whether a closing indication signal sent by a main chip is received, if so, outputting a shutdown control signal to the auxiliary power supply module, and then outputting the shutdown control signal to the main control power supply module.
Optionally, the close indication signal is sent by the master chip after setting the state of the peripheral device to the close state.
The invention has the beneficial effects that: the embodiment of the application provides a power on/off control device, is applied to consumer, includes: the power management auxiliary chip, the main control power module, the auxiliary power module and the switch module. The auxiliary power supply module is electrically connected with the switch module and used for outputting a switching signal to the power supply management auxiliary chip when the detection signal output by the switch module is acquired; the power management auxiliary chip is respectively and electrically connected with the auxiliary power module and the main control power module and is used for respectively outputting control signals to the auxiliary power module and the main control power module according to the switching signals; the main control power supply module and the auxiliary power supply module are respectively used for controlling the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric equipment. Only the power management auxiliary chip, the main control power supply module, the auxiliary power supply module and the switch module are arranged to form a non-pure analog circuit, so that the circuit structure is simplified, the occupation of the circuit board space is reduced, and the circuit is convenient to maintain. The power management auxiliary chip can adjust the on-off logic in a software updating mode, so that the on-off control can be realized, the configuration is convenient, the user experience is improved, and the zero-power standby can be completely realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a power on/off control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power management assist chip according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a power on/off control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an auxiliary power module and a switch module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a main control power module according to an embodiment of the present invention;
fig. 6 is a schematic flowchart of a power on/off control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that if the terms "upper", "lower", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the application is used, the description is only for convenience of describing the application and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus, cannot be understood as the limitation of the application.
Furthermore, the terms "first," "second," and the like in the description and in the claims, as well as in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.
The on-off control device provided by the embodiment of the application is applied to electric equipment, and the electric equipment can be a robot. Of course, the electric device may also be other devices that need to operate based on electric energy, and this is not specifically limited in this application embodiment.
Fig. 1 is a schematic structural diagram of an on-off control apparatus according to an embodiment of the present invention, and as shown in fig. 1, the on-off control apparatus may include: the power management system comprises a power management auxiliary chip 101, a main control power supply module 102, an auxiliary power supply module 103 and a switch module 104.
The auxiliary power module 103 is electrically connected to the switch module 104, and is configured to output a switching signal to the power management auxiliary chip 101 when acquiring the detection signal output by the switch module 104.
In some embodiments, the switch module 104 may acquire the detection signal and transmit the detection signal to the auxiliary power module 103, and the auxiliary power module 103 may receive the detection signal and generate the switching signal according to the detection signal, and then output the switching signal to the power management auxiliary chip 101.
It should be noted that, if a user can perform a power on/off operation on the switch module 104, the switch module 104 can acquire the detection signal; of course, the switch module 104 may also be electrically connected to an operation component, a user may perform a power on/off operation on an external component, and the switch module 104 may obtain a detection signal through the operation component.
In addition, the power management auxiliary chip 101 is electrically connected to the auxiliary power module 103 and the main control power module 102, and is configured to output control signals to the auxiliary power module 103 and the main control power module 102 according to the switching signal. The main control power supply module 102 and the auxiliary power supply module 103 are respectively used for controlling the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric device.
The auxiliary power module 103 may be electrically connected to the auxiliary power source, and the main power module 102 may be electrically connected to the main power source.
In this embodiment, the power management auxiliary chip 101 may generate a control signal according to the switching signal and an internal processing logic, and then output the control signal to the auxiliary power module 103 and the main power module 102, respectively; the auxiliary power supply module 103 and the main power supply module 102 may receive the control signal, and then control the connection or disconnection of the main power supply and the auxiliary power supply according to the control signal, so as to control the power on or off of the electrical device.
It should be noted that the control signal may include a power-on control signal and a power-off control signal, and the detection signal is different, the switching signal is different, and the corresponding generated control signal is also different. The starting control signal can be used for controlling the communication between the main control power supply and the auxiliary power supply, and then the electric equipment is started; the shutdown control signal can be used for controlling the disconnection of the main control power supply and the auxiliary power supply, and the electric equipment is shut down.
To sum up, the embodiment of the present application provides a power on/off control device, is applied to consumer, includes: the power management system comprises a power management auxiliary chip 101, a main control power supply module 102, an auxiliary power supply module 103 and a switch module 104. The auxiliary power supply module 103 is electrically connected to the switch module 104, and is configured to output a switching signal to the power management auxiliary chip 101 when acquiring the detection signal output by the switch module 104; the power management auxiliary chip 101 is electrically connected to the auxiliary power module 103 and the main control power module 102, and is configured to output control signals to the auxiliary power module 103 and the main control power module 102 according to the switching signal; the main control power supply module 102 and the auxiliary power supply module 103 are respectively used for controlling the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric device. Only the power management auxiliary chip 101, the main control power supply module 102, the auxiliary power supply module 103 and the switch module 104 are arranged to form a non-pure analog circuit, so that the circuit structure is simplified, the occupation of the circuit board space is reduced, and the circuit maintenance is facilitated.
Moreover, the power management support chip 101 may generate a control signal according to the switching signal and the internal processing logic, and when the power on/off parameter changes (for example, the length of the power on/off parameter changes by time), it is not necessary to adjust the parameters of the analog devices in the pure analog circuit as in the related art, but only the internal logic of the power management support chip 101 is adjusted. Namely, the on-off logic can be adjusted in a software updating mode, so that the on-off control can be realized, the configuration is convenient, and the user experience is improved. 0 power standby may also be fully implemented.
Optionally, the power management support chip 101 includes: switching signal input pin, main power control pin and auxiliary power control pin, auxiliary power module 103 includes: signal output end and auxiliary power supply control end, main control power supply module 102 includes: and a control end of the main control power supply.
The signal output end is electrically connected with the switching signal input pin, and the auxiliary power supply module 103 outputs a switching signal to the power management auxiliary chip 101 through the signal output end and the switching signal input pin when acquiring the detection signal;
the main power control pin is electrically connected with the main control power control end, and the power management auxiliary chip 101 outputs a control signal to the main control power module 102 through the main power control pin and the main control power control end;
the auxiliary power control pin is electrically connected to the auxiliary power control terminal, and the power management auxiliary chip 101 outputs a control signal to the auxiliary power module 103 through the auxiliary power control pin and the auxiliary power control terminal.
In some embodiments, fig. 2 is a schematic structural diagram of a power management assisting chip 101 according to an embodiment of the present invention, and as shown in fig. 2, the switching signal input pin may be a pin 16, the main power control pin may be a pin 15, and the auxiliary power control pin may be a pin 17.
Alternatively, the model of the power management support chip 101 may be STM8S003F 3.
In addition, as shown in fig. 2, pin No. 9 of the power management auxiliary chip 101 is electrically connected to the auxiliary power VCC and one end of the first capacitor C1, and the other end of the first capacitor C1 is Grounded (GND); the No. 8 pin of the power management auxiliary chip 101 is grounded through a second capacitor C2; pin No. 7 of the power management companion chip 101 is also connected to ground.
The values of the first capacitor C1 and the second capacitor C2 can be set according to actual requirements. For example, the first capacitance C1 may have a value of 1 μ F (microfarads) and the second capacitance C2 may have a value of 0.1 μ F.
Optionally, fig. 3 is a schematic structural diagram of a switching device control device according to an embodiment of the present invention, and as shown in fig. 3, the electric device further includes: the main chip 105 and the power management auxiliary chip 101 further include: a communication pin; the communication pins are electrically connected to the main chip 105.
Alternatively, the communication pin may be pin number 14 of the main chip 105.
The power management support chip 101 is specifically configured to: the power-off indication signal of the main chip 105 is received through the communication pin, and a control signal for power-off is respectively output to the auxiliary power module 103 and the main power module 102 according to the power-off indication signal.
If the control signal is a shutdown control signal, after obtaining a switching signal corresponding to the shutdown control signal, the power management auxiliary chip 101 may first generate a main control signal (sleep pmode) according to the switching signal, and send the main control signal to the main chip 105; the main chip 105 may receive the main control signal, control the state of the peripheral device electrically connected to the main chip 105 according to the main control signal, generate a shutdown instruction signal, and send the shutdown instruction signal to the power management auxiliary chip 101; accordingly, the power management companion chip 101 may receive a shutdown indication signal.
In some embodiments, the external device may include: the main control signal can be used for controlling the indicator light to be turned off and can also be used for controlling the loudspeaker to play a shutdown prompt tone.
Optionally, fig. 4 is a schematic structural diagram of an auxiliary power module and a switch module according to an embodiment of the present invention, and as shown in fig. 4, the auxiliary power module 103 includes: the circuit comprises a first resistor R1, a second resistor R2, a first triode Q1, a first diode D1, a second diode D2, a third resistor R3, a fourth resistor R4 and a first field-effect transistor Q2;
one ends of the first resistor R1 and the second resistor R2 are electrically connected with the control end of the auxiliary power supply, the other end of the first resistor R1 is electrically connected with the base electrode of the first triode Q1, and the other end of the second resistor R2 and the emitter electrode of the first triode Q1 are grounded;
the collector of the first triode Q1 is electrically connected with the anode of the first diode D1, the cathode of the first diode D1 is electrically connected with the cathode of the second diode D2, the anode of the second diode D2 is electrically connected with the auxiliary power supply through the signal output end, and the switch module 104 is connected between the cathode of the first diode D1 and the cathode of the second diode D2;
one end of the third resistor R3 is electrically connected to the anode of the first diode D1, one end of the fourth resistor R4 is electrically connected to the other end of the third resistor R3, the other end of the fourth resistor R4 is electrically connected to the drain of the first fet Q2, the gate of the first fet Q2 is electrically connected between the third resistor R3 and the fourth resistor R4, and the source of the first fet Q2 is electrically connected to the auxiliary power supply.
As shown in fig. 4, the source of the first fet Q2 is electrically connected to the auxiliary power supply through the voltage regulator chip, and the ground of the voltage regulator chip may be grounded. The auxiliary power supply module 103 may further include: a third capacitor C3 and a fourth capacitor C4. One ends of the third capacitor C3 and the fourth capacitor C4 are electrically connected with the auxiliary power supply, and the other ends of the third capacitor C3 and the fourth capacitor C4 are grounded. The voltage stabilization chip may include a Vin terminal and a Vout terminal. In addition, the detection signal may be denoted as SWPB.
Alternatively, the third capacitor C3 may have a value of 10 μ F and the fourth capacitor C4 may have a value of 0.1 μ F. The type of the voltage stabilizing chip can be as follows: HM 6226.
In addition, the control signal may include: as shown in fig. 4, the control signal input by the auxiliary power control terminal may be an auxiliary power control signal, which may be represented as: sub _ power.
In a possible embodiment, the operation component may be an on-off button, when the on-off button is pressed, the detection signal obtained by the switch module 104 is a low level signal, the G pole (gate) of the first fet Q2 becomes a low level, the first fet Q2 is turned on, the auxiliary power supply is powered, the voltage at VCC becomes 3.3V, the power management auxiliary chip 101 can be normally started, and the switching signal (switch _ sig signal) generated by the auxiliary power supply module 103 can be detected by the power management auxiliary chip 101 due to the presence of the first diode D1.
In addition, the power management auxiliary chip 101 may determine to set the main power control pin and the auxiliary power control pin to a high level or a low level according to the detected switching signal; when the auxiliary power control pin is set to a high level, the first transistor Q1 is controlled to be continuously turned on, and the first fet Q2 is also continuously turned on, so that the auxiliary power is continuously supplied.
As shown in fig. 4, the anode of the second diode D2 is electrically connected to the auxiliary power source through a ninth resistor, and the resistance of the ninth resistor may be 5.1K Ω (kilo-ohm).
Optionally, the resistance of the first resistor R1 may be: 2K Ω, the resistance of the second resistor R2 may be 20K Ω, and the resistance of the third resistor R3 may be: the resistance of the 1K Ω, fourth resistor R4 may be 5.1K Ω.
In some embodiments, as shown in fig. 4, the switch module 104 includes: and 5 pins, the switch module 104 is connected between the cathodes of the first diode D1 and the second diode D2 through the No. 1 pin. Pin No. 2 of the switch module 104 is connected to ground, and pin No. 3 of the switch module 104 is connected to a 5 volt (V) power supply through a tenth resistor R10.
Optionally, fig. 5 is a schematic structural diagram of a main control power module 102 according to an embodiment of the present invention, and as shown in fig. 5, the main control power module 102 includes: a fifth resistor R5, a sixth resistor R6, a second triode Q3, a seventh resistor R7, an eighth resistor R8 and a second field-effect tube Q4;
one ends of the fifth resistor R5 and the sixth resistor R6 are electrically connected with the control end of the main control power supply, the other end of the fifth resistor R6 is electrically connected with the base electrode of the second triode Q3, and the other end of the sixth resistor R6 and the emitter electrode of the second triode Q3 are grounded;
the collector of the second triode Q3 is electrically connected with one end of a seventh resistor R7, the other end of the seventh resistor R7 is electrically connected with the gate of the second field-effect transistor Q4, one end of an eighth resistor R8, the other end of the eighth resistor R8 is electrically connected with the drain of the second field-effect transistor Q4, and the source of the second field-effect transistor Q4 is electrically connected with the main control power supply.
Wherein the control signal may include: as shown in fig. 5, the control signal input by the master power control terminal may be a master power control signal, which may be represented as: main _ power. In addition, the auxiliary POWER supply can output an electric signal POWER.
In some embodiments, when the main power control pin is set to a high level, the second transistor Q3 can be controlled to be continuously turned on, and the second fet Q4 is also continuously turned on, so that the main power supply is continuously supplied.
In addition, when the auxiliary power supply and the main control power supply are continuously supplied with power, the power utilization equipment is started. When the main power control pin and the auxiliary power control pin are set to be at low level, the electric equipment can be shut down when the auxiliary power supply and the main power supply are powered off.
In practical applications, when the button is pressed for a first preset duration, the corresponding switching signal may also be a signal lasting for the first preset duration, so that the power-on of the electric device may be implemented, for example, the first preset duration may be 3 seconds; when the button is double-clicked, the corresponding switching signal can be two discontinuous signals, so that the power-off of the electric equipment can be realized; of course, controlling the shutdown may also be implemented when the button is pressed for a long time for the second preset duration.
Optionally, the resistance of the fifth resistor R5 may be: 2K Ω, the sixth resistor R6 may have a resistance of 20K Ω, and the seventh resistor R7 may have a resistance of: the resistance of the 1K Ω eighth resistor R8 may be 5.1K Ω.
The power on/off control method provided in the embodiment of the present application may be applied to the power on/off control device provided above, fig. 6 is a schematic flow diagram of the power on/off control method provided in the embodiment of the present invention, and as shown in fig. 6, an execution main body of the method may be: the power management auxiliary chip, the method can include:
s601, acquiring a switching signal output by the auxiliary power supply module, wherein the switching signal is output by the auxiliary power supply module when the auxiliary power supply module detects a detection signal from the switch module.
And S602, respectively outputting control signals to the auxiliary power supply module and the main control power supply module according to the switching signal, so that the main control power supply module and the auxiliary power supply module control the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signals, and control the startup or shutdown.
When the control signal is a starting control signal, the main control power supply is communicated with the auxiliary power supply, so that starting can be controlled; when the control signal is a shutdown control signal, the main control power supply and the auxiliary power supply are disconnected, so that shutdown can be controlled.
To sum up, the embodiment of the present application provides a power on/off control method, including: acquiring a switching signal output by the auxiliary power supply module, wherein the switching signal is output by the auxiliary power supply module when the auxiliary power supply module detects a detection signal from the switch module; and respectively outputting control signals to the auxiliary power supply module and the main control power supply module according to the switching signals, so that the main control power supply module and the auxiliary power supply module control the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signals to control the startup or shutdown. Only a power management auxiliary chip, a main control power supply module, an auxiliary power supply module and a switch module are arranged to form a non-pure analog circuit, so that the on-off control can be realized, the circuit structure is simplified, the occupation of the space of a circuit board is reduced, and the circuit maintenance is facilitated. Moreover, the power management auxiliary chip can generate a control signal according to the switching signal and the internal processing logic, and when the on-off parameter changes (for example, the on-off duration changes), only the internal logic of the power management auxiliary chip is adjusted. Namely, the on-off logic can be adjusted in a software updating mode, so that the on-off control can be realized, the configuration is convenient, and the user experience is improved. 0 power standby may also be fully implemented.
Optionally, the process of respectively outputting the control signals to the auxiliary power module and the main control power module according to the switching signal in S602 may include:
if the switching signal is determined to be the preset starting switching signal, the starting control signal is respectively output to the auxiliary power supply module and the main control power supply module, so that the main control power supply module and the auxiliary power supply module respectively control the communication of the main control power supply and the auxiliary power supply according to the starting control signal.
The power-on control signal may be a high-level signal, and the power-off control signal may be a low-level signal.
Optionally, in the above S602, according to the switching signal, respectively output a control signal to the auxiliary power supply module and the main control power supply module, which includes:
if the switching signal is determined to be the preset shutdown switching signal, a shutdown control signal is output to the auxiliary power supply module, and then the shutdown control signal is output to the main control power supply module, so that the main control power supply module and the auxiliary power supply module control the disconnection of the main control power supply and the auxiliary power supply according to the shutdown control signal to control shutdown.
When the pressing modes of the user on the buttons are different, the detection signals are different, and the switching signals are different. The power management auxiliary chip can compare the switching signal, the preset power-on switching signal and the preset power-off switching signal, and determine that the switching signal is the preset power-on switching signal or the preset power-off switching signal.
Optionally, the outputting the shutdown control signal and then outputting the shutdown control signal to the main control power supply module may include:
and detecting whether a closing indication signal sent by the main chip is received, if so, outputting a closing control signal to the auxiliary power supply module, and then outputting a closing control signal to the main control power supply module.
In a possible implementation manner, if the control signal is a shutdown control signal, after the power management auxiliary chip obtains a switching signal corresponding to the shutdown control signal, the power management auxiliary chip may first generate a main control signal according to the switching signal, and send the main control signal to the main chip; the main chip can receive the main control signal, control the state of peripheral equipment electrically connected with the main chip according to the main control signal, generate a closing indication signal and send the closing indication signal to the power management auxiliary chip; accordingly, the power management companion chip may receive a shutdown indication signal.
Optionally, the shutdown indication signal is sent by the master chip after setting the state of the peripheral device to a shutdown state.
The peripheral equipment can be an indicator light and/or a display screen, and then the indicator light and/or the display screen can be set to be in an off state.
In addition, when the external device is a loudspeaker, the state of the loudspeaker can be set to be a play shutdown prompt state, and then a shutdown indication signal is sent.
It should be noted that, in the method for controlling on/off of the on/off control device provided in the embodiment of the present application, reference may also be made to the above description related to the on/off control device, and details are not repeated herein.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A startup and shutdown control device is applied to electric equipment, and comprises: the power management auxiliary chip, the main control power module, the auxiliary power module and the switch module;
the auxiliary power supply module is electrically connected with the switch module and used for outputting a switching signal to the power supply management auxiliary chip when the detection signal output by the switch module is acquired;
the power management auxiliary chip is respectively and electrically connected with the auxiliary power module and the main control power module and is used for respectively outputting control signals to the auxiliary power module and the main control power module according to the switching signals;
the main control power supply module and the auxiliary power supply module are respectively used for controlling the connection or disconnection of a main control power supply and an auxiliary power supply according to the control signal so as to control the power-on or power-off of the electric equipment;
the power management auxiliary chip comprises: switch signal input pin, main power control pin and auxiliary power control pin, the auxiliary power module includes: signal output part and auxiliary power supply control end, the main control power supply module includes: a main control power supply control end;
the signal output end is electrically connected with the switching signal input pin, and the auxiliary power supply module outputs the switching signal to the power management auxiliary chip through the signal output end and the switching signal input pin when the detection signal is acquired;
the main power control pin is electrically connected with the main power control end, and the power management auxiliary chip outputs the control signal to the main power module through the main power control pin and the main power control end;
the auxiliary power supply control pin is electrically connected with the auxiliary power supply control end, and the power supply management auxiliary chip outputs the control signal to the auxiliary power supply module through the auxiliary power supply control pin and the auxiliary power supply control end.
2. The on/off control device according to claim 1, wherein the electric device further comprises: the main chip, the power management auxiliary chip still includes: a communication pin;
the communication pin is electrically connected with the main chip;
the power management auxiliary chip is specifically configured to: and receiving a closing indication signal of the main chip through the communication pin, and respectively outputting a control signal for shutdown to the auxiliary power supply module and the main control power supply module according to the closing indication signal.
3. The switching control device according to claim 2, wherein the auxiliary power supply module includes: the circuit comprises a first resistor, a second resistor, a first triode, a first diode, a second diode, a third resistor, a fourth resistor and a first field effect transistor;
one end of each of the first resistor and the second resistor is electrically connected with the control end of the auxiliary power supply, the other end of the first resistor is electrically connected with the base electrode of the first triode, and the other end of the second resistor and the emitting electrode of the first triode are both grounded;
the collector of the first triode is electrically connected with the anode of the first diode, the cathode of the first diode is electrically connected with the cathode of the second diode, the anode of the second diode is electrically connected with the auxiliary power supply through the signal output end, and the switch module is connected between the cathode of the first diode and the cathode of the second diode;
one end of the third resistor is electrically connected with the anode of the first diode, one end of the fourth resistor is electrically connected with the other end of the third resistor, the other end of the fourth resistor is electrically connected with the drain electrode of the first field-effect tube, the grid electrode of the first field-effect tube is electrically connected between the third resistor and the fourth resistor, and the source electrode of the first field-effect tube is electrically connected with the auxiliary power supply.
4. The on-off control device of claim 3, wherein the master power module comprises: the second triode is connected with the first resistor, the third resistor and the fourth resistor;
one end of each of the fifth resistor and the sixth resistor is electrically connected with the control end of the master control power supply, the other end of the fifth resistor is electrically connected with the base electrode of the second triode, and the other end of the sixth resistor and the emitting electrode of the second triode are both grounded;
the collector of the second triode is electrically connected with one end of the seventh resistor, the other end of the seventh resistor is electrically connected with the grid of the second field effect transistor respectively, one end of the eighth resistor is electrically connected, the other end of the eighth resistor is electrically connected with the drain of the second field effect transistor, and the source of the second field effect transistor is electrically connected with the master control power supply.
5. A method for controlling a switch-on/off device, wherein a power management assist chip applied to the switch-on/off device of claim 1 comprises:
acquiring a switching signal output by an auxiliary power supply module, wherein the switching signal is output by the auxiliary power supply module when a detection signal from a switch module is detected;
and respectively outputting control signals to the auxiliary power supply module and the main control power supply module according to the switching signals, so that the main control power supply module and the auxiliary power supply module control the connection or disconnection of the main control power supply and the auxiliary power supply according to the control signals to control the startup or shutdown.
6. The method according to claim 5, wherein the outputting control signals to the auxiliary power module and the main power module according to the switching signal respectively comprises:
if the switching signal is determined to be a preset power-on switching signal, respectively outputting a power-on control signal to the auxiliary power supply module and the main control power supply module, so that the main control power supply module and the auxiliary power supply module respectively control the communication of the main control power supply and the auxiliary power supply according to the power-on control signal.
7. The method according to claim 5, wherein the outputting control signals to the auxiliary power module and the main power module according to the switching signal respectively comprises:
if the switching signal is determined to be a preset shutdown switching signal, a shutdown control signal is output to the auxiliary power supply module, and then the shutdown control signal is output to the main control power supply module, so that the main control power supply module and the auxiliary power supply module control the disconnection of the main control power supply and the auxiliary power supply according to the shutdown control signal to control shutdown.
8. The method of claim 7, wherein outputting the shutdown control signal to the auxiliary power module and outputting the shutdown control signal to the main power module first comprises:
and detecting whether a closing indication signal sent by a main chip is received, if so, outputting a closing control signal to the auxiliary power supply module, and then outputting the closing control signal to the main control power supply module.
9. The method of claim 8, wherein the shutdown indication signal is sent by the master chip after placing a state of a peripheral device in a shutdown state.
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| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
| CN207218552U (en) * | 2017-08-04 | 2018-04-10 | 温岭阿凡达机电有限公司 | Auxiliary power circuit |
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| JP6260552B2 (en) * | 2015-02-26 | 2018-01-17 | 株式会社オートネットワーク技術研究所 | Power supply |
| CN207869116U (en) * | 2017-11-29 | 2018-09-14 | 瑞斯康达科技发展股份有限公司 | A kind of handover control system of master/slave device |
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| JPH0583883A (en) * | 1991-09-19 | 1993-04-02 | Mitsubishi Electric Corp | Electronic component device |
| CN101749837A (en) * | 2008-12-20 | 2010-06-23 | 珠海格力电器股份有限公司 | Air-conditioning controller with no standby power and air-conditioning system by utilizing solar battery |
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
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