CN103713724A - Outage starting circuit with battery equipment and control method - Google Patents
Outage starting circuit with battery equipment and control method Download PDFInfo
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- CN103713724A CN103713724A CN201310711732.7A CN201310711732A CN103713724A CN 103713724 A CN103713724 A CN 103713724A CN 201310711732 A CN201310711732 A CN 201310711732A CN 103713724 A CN103713724 A CN 103713724A
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Abstract
The invention discloses an outage starting circuit with battery equipment and a control method. The circuit comprises a triode Q2, a PMOS transistor Q3, a divider resistor R1, a divider resistor R2, a divider resistor R3, a current-limiting resistor R4, a pull-up resistor R5 and a key switch. One end of the switch key is connected with a battery power supply, one end of the R5 and the source electrode of the Q3; the grid electrode of the Q3 is connected with the other end of the R5 and the collector electrode of the Q2; the drain electrode of the Q3 is a system power output end; the base electrode of the Q2 is connected with one end of the R4, and the emitting electrode of the Q2 is connected to the ground; the other end of the R4 is connected with one end of the R1 and the other end of the key switch; the other end of the R1 is connected with an I/O port; one end of the R3 is connected with the other end of the key switch; the other end of the R3 and one end of the R2 are connected with MCU detection pins of the equipment, and the other end of the R2 is connected to the ground. By the adoption of the outage starting circuit, the equipment is started in the complete outage mode through the key switch, power consumption of a system with the battery equipment is reduced, and service life is prolonged.
Description
Technical field
The present invention relates to device start field, particularly a kind of power-off start-up circuit and control method of charged pool equipment.
Background technology
Charged pool equipment is in the market entering low-power consumption mode or in the situation that button shuts down; conventionally power-off does not wake up and makes a response to external world to support completely; the Micro-processor MCV of device systems can be operated under park mode, the serviceable life that the incomplete power-off of this equipment and the state starting under incomplete powering-off state can cause system power dissipation to increase and can reduce equipment conventionally.
Summary of the invention
The invention provides a kind of power-off start-up circuit and control method of charged pool equipment, the problem that the system power dissipation bringing with the incomplete power-off of solution equipment and startup thereof increases and reduce serviceable life.
According to an aspect of the present invention, provide a kind of power-off start-up circuit of charged pool equipment, this circuit comprises: triode Q2 and PMOS pipe Q3, divider resistance R1, R2 and R3, current-limiting resistance R4, pull-up resistor R5 and keyswitch.The source electrode of one end of one end of keyswitch and the battery supply of charged battery apparatus, pull-up resistor R5 and PMOS pipe Q3 links together;
The collector of the PMOS pipe grid of Q3 and the other end of pull-up resistor R5 and triode Q2 is connected respectively;
The drain electrode of PMOS pipe Q3 is as the system power supply power output end of charged pool equipment;
The base stage of triode Q2 is connected with one end of current-limiting resistance R4;
The grounded emitter of triode Q2;
The other end of current-limiting resistance R4 is connected respectively with one end of divider resistance R1 and the other end of keyswitch;
The I/O mouth of the other end of divider resistance R1 and charged pool equipment is connected;
One end of divider resistance R3 is connected with the other end of keyswitch;
One end of the other end of divider resistance R3 and divider resistance R2 is connected with the MCU with ADC function of charged pool equipment detecting pin;
The other end ground connection of divider resistance R2.
In one embodiment of the invention, the resistance of divider resistance R2 and R3 is selected to meet equation V1=R2*v2/ (R2+R3), and wherein, V1 is the voltage of Micro-processor MCV detecting pin, the voltage that V2 is battery supply.
In one embodiment of the invention, triode Q2 is NPN type triode.
In one embodiment of the invention, this circuit also comprises with first of keyswitch parallel connection and disappears and tremble electric capacity and/or one end and be connected second of MCU detecting pin, other end ground connection and disappear and tremble electric capacity.
In one embodiment of the invention, charged pool equipment also comprises operational module, and MCU also comprises detecting module, and detecting module detecting operational module has or not operation in Preset Time, and will detect result feedback to I/O mouth.
In one embodiment of the invention, operational module comprises touch-screen and/or function button.
According to another aspect of the present invention, provide a kind of control method of the charged pool equipment based on circuit described in one aspect of the invention, the method comprises:
When charged pool equipment is only put into battery and is not started shooting, MCU is in electroless state, the MCU detecting voltage of pin and the equal stateless of the supply voltage of MCU, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, triode Q2 cut-off, the output terminal of system power supply power supply is without electricity, and system is in complete off-position;
When charged pool equipment need to be started shooting, switch pushes button, it is high level that the output of battery supply makes the base stage of Q2, Q2 conducting, and then cause Q3 conducting, the output terminal of system power supply power supply powers on to system MCU, and then the level of I/O mouth is drawn high, now unclamp keyswitch, the output terminal of system power supply power supply continues there is electricity, system boot;
When charged pool equipment need to shut down, the switch that again pushes button, the voltage that detects MCU detecting pin as MCU changes, and the level of I/O mouth is dragged down; Again unclamp keyswitch, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and Q2 ends, and then causes the cut-off of Q3, and the output terminal of system power supply power supply is without electricity, and system closedown is power-off completely also.
In one embodiment of the invention, in charged pool device power-up process, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high; Unclamp after keyswitch, I/O mouth is high level, and the voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1);
In described charged pool equipment shutdown process, again push button after switch, when the voltage of MCU detecting pin is when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), the level of I/O mouth is dragged down; Wherein, the voltage of the detecting pin that V1 is MCU, the voltage that V2 is battery supply, the supply voltage that V3 is MCU.
In one embodiment of the invention, charged pool equipment also comprises operational module, and MCU also comprises detecting module, and the method also comprises:
After system boot, the operational module of detecting module detecting charged pool equipment has or not operation in Preset Time, if having, the output terminal of system power supply power supply continues there is electricity, and system is in running order; If nothing, MCU drags down the level of I/O mouth, and Q2 ends, and then causes the cut-off of Q3, makes the output terminal of system power supply power supply without electricity, and system enters complete off-position.
In one embodiment of the invention, operational module comprises touch-screen and/or function button.
Power-off start-up circuit and the control method of this charged pool equipment of the present invention, only just can realize the complete power-off of equipment by keyswitch, and can, the in the situation that of the complete power-off of equipment, by keyswitch opertaing device, start.And, the present invention can also be by presetting a period of time, in Preset Time section, the detecting module detection equipment operational module of MCU has or not operation behavior, in Preset Time section, while not operating, the level of adjusting equipment I/O, makes equipment enter complete off-position, extends the flying power of system battery power supply.Thus, the technical program can reduce system power dissipation, the serviceable life of protection equipment extension device.
Accompanying drawing explanation
Fig. 1 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of one embodiment of the invention;
Fig. 2 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of another embodiment of the present invention;
Fig. 3 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of another embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Core concept of the present invention is, when keyswitch is pressed after shutdown, by MCU, to be controlled and made the complete power-off of equipment.Or the in the situation that of the complete power-off of equipment, by keyswitch, coordinate MCU opertaing device to start, reduce the power consumption of system, the serviceable life of extension device.
Specific embodiment one
Fig. 1 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of one embodiment of the invention.Referring to Fig. 1, this circuit comprises: triode Q2 and PMOS pipe Q3, divider resistance R1, R2 and R3, current-limiting resistance R4, pull-up resistor R5 and keyswitch S1.The source electrode of one end of one end of keyswitch S1 and the battery supply of charged battery apparatus, pull-up resistor R5 and PMOS pipe Q3 links together.
The collector of the PMOS pipe grid of Q3 and the other end of pull-up resistor R5 and triode Q2 is connected respectively; The drain electrode of PMOS pipe Q3 is as the system power supply power output end of charged pool equipment, and this power supply output terminal generally connects power management chip, and when system power supply power output end has electric current output, power management chip can power on for MCU.
The base stage of triode Q2 is connected with one end of current-limiting resistance R4;
The grounded emitter of triode Q2;
The other end of current-limiting resistance R4 is connected respectively with one end of divider resistance R1 and the other end of keyswitch;
The I/O mouth of the other end of divider resistance R1 and charged pool equipment is connected;
One end of divider resistance R3 is connected with the other end of keyswitch S1;
One end of the other end of divider resistance R3 and divider resistance R2 is connected with the MCU with ADC function of charged pool equipment detecting pin;
The other end ground connection of divider resistance R2.
In one embodiment of the invention, the resistance of divider resistance R2 and R3 is selected to meet equation V1=R2*V2/ (R2+R3), and wherein, V1 is the voltage of Micro-processor MCV detecting pin, the voltage that V2 is battery supply.
In one embodiment of the invention, triode Q2 is NPN type triode, and model is 2N3904G.
Be appreciated that in other embodiments of the invention, should according to concrete circuit, select the model of triode Q2, be not limited to the triode of the 2N3904G model that one embodiment of the invention provides.
In one embodiment of the invention, the model of PMOS pipe Q3 is BSS84LT1G.Be appreciated that in other embodiments of the invention, should according to concrete circuit, select the model of PMOS pipe Q3, be not limited to the PMOS pipe of the BSS84LT1G model that one embodiment of the invention provides.
Referring to Fig. 1, in one embodiment of the invention, according to system power supply need to convert the required supply voltage V3 of MCU to through power supply, Q3 is P channel junction field-effect pipe, PMOS manages.S1 is keyswitch.
The concrete course of work of power-off start-up circuit of this charged pool equipment of the present invention is: when equipment is only put into battery and do not started shooting, because the MCU of system is in electroless state, the MCU detecting voltage of pin and the equal stateless of the supply voltage of MCU, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and triode Q2 ends.Triode Q2 cut-off causes PMOS pipe Q3 cut-off, and Q3 cut-off causes the output terminal of system power supply power supply there is no electric current, and now system is in complete off-position.
Referring to Fig. 1, when needs are started shooting, the switch S 1 that pushes button, the base stage of Q2 becomes high level, when the base voltage of Q2 is greater than the forward voltage of Q2, Q2 conducting.Q2 conducting causes Q3 conducting, the output terminal of system power supply power supply powers on to system MCU, the voltage status of very first time detecting MCU detecting pin after MCU works on power, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high, now unclamped keyswitch S1.After S1 disconnects, because I/O mouth is high level, so the base stage of Q2 is still high level, Q2 or conducting, Q2 conducting causes Q3 conducting, and now the output terminal of system power supply power supply continues there is electricity.The voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1), wherein, and the supply voltage that V3 is MCU.
Referring to Fig. 1, when needs shut down, the switch S 1 that again pushes button, the voltage that detects MCU detecting pin as MCU when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), drags down the level of I/O mouth, becomes low level.When again unclamping keyswitch S1, the base stage of Q2 is passed through resistance R 4, R3 and R2 ground connection, now Q2 cut-off.Q2 cut-off causes the cut-off of Q3, so the output terminal of system power supply power supply is without electricity, and system returns to again the state of complete power-off.
The power-off start-up circuit of this charged pool equipment provided by the invention only just can be realized the complete power-off of equipment by keyswitch, and can, the in the situation that of the complete power-off of equipment, by keyswitch, make device start.Reduce system power dissipation, extension device serviceable life.
Specific embodiment two
Fig. 2 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of another embodiment of the present invention, and referring to Fig. 2, this circuit comprises: triode Q2 and PMOS pipe Q3, divider resistance R1, R2 and R3, current-limiting resistance R4, pull-up resistor R5 and keyswitch.The source electrode of one end of one end of keyswitch S1 and the battery supply of charged battery apparatus, pull-up resistor R5 and PMOS pipe Q3 links together;
The collector of the PMOS pipe grid of Q3 and the other end of pull-up resistor R5 and triode Q2 is connected respectively;
The drain electrode of PMOS pipe Q3 is as the system power supply power output end of charged pool equipment; This power supply output terminal connects power management chip, and when system power supply power output end has electric current output, power management chip can power on for MCU;
The base stage of triode Q2 is connected with one end of current-limiting resistance R4;
The grounded emitter of triode Q2;
One end of the other end of current-limiting resistance R4 and divider resistance R1 and the other end of keyswitch S1 are connected respectively;
The I/O mouth of the other end of divider resistance R1 and charged pool equipment is connected;
One end of divider resistance R3 is connected with the other end of keyswitch S1.
One end of the other end of divider resistance R3 and divider resistance R2 is connected with the MCU with ADC function of charged pool equipment detecting pin;
The other end ground connection of divider resistance R2.
In one embodiment of the invention, the resistance of divider resistance R2 and R3 is selected to meet equation V1=R2*V2/ (R2+R3), and wherein, V1 is the voltage of Micro-processor MCV detecting pin, the voltage that V2 is battery supply.
While disconnecting with closure due to mechanical switch, may have the shake of moment.In the present embodiment, utilize the discharge lag of electric capacity and filter action to realize hardware for jitters elimination, overcome the adverse effect that keyswitch mechanical shaking brings.This circuit also comprises with first of keyswitch S1 parallel connection and disappears and tremble capacitor C 1 and be connected second of MCU detecting pin, other end ground connection with one end and disappear and tremble capacitor C 2.First disappears trembles capacitor C 1 and can make the change in voltage of switch ends more level and smooth; Simultaneously because MCU detecting pin is for detection of change in voltage, second disappears trembles capacitor C 2 and can eliminate the interference on detecting circuit, improves detecting accuracy.In other embodiments of the invention, also can set up in parallel with keyswitch S1 first and disappear and tremble capacitor C 1, also can set up one end and connect second of MCU detecting pin, other end ground connection and disappear and tremble capacitor C 2.
In the present embodiment, the concrete course of work of power-off start-up circuit of this charged pool equipment is: when equipment is only put into battery and do not started shooting, because the MCU of system is in electroless state, the MCU detecting voltage of pin and the equal stateless of the supply voltage of MCU, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and triode Q2 ends.Triode Q2 cut-off causes PMOS pipe Q3 cut-off, and Q3 cut-off causes the output terminal of system power supply power supply there is no electric current, and now system is in complete off-position.
Referring to Fig. 2, when needs are started shooting, the switch S 1 that pushes button, the base stage of Q2 becomes high level, when Q2 base voltage is greater than the forward voltage of Q2, Q2 conducting.Q2 conducting causes Q3 conducting, the output terminal of system power supply power supply powers on to system MCU, the voltage status of very first time detecting MCU detecting pin after MCU works on power, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high, now unclamped keyswitch S1.After S1 disconnects, because I/O mouth is high level, so the base stage of Q2 is still high level, Q2 or conducting, Q2 conducting causes Q3 conducting, and now the output terminal of system power supply power supply continues there is electricity, and the voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1).Wherein, the supply voltage that V3 is MCU.
Referring to Fig. 2, when needs shut down, the switch S 1 that again pushes button, the voltage that detects MCU detecting pin as MCU when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), drags down the level of I/O mouth, becomes low level.When again unclamping keyswitch S1, the base stage of Q2 is passed through resistance R 4, R3 and R2 ground connection, now Q2 cut-off.Q2 cut-off causes the cut-off of Q3, so the output terminal of system power supply power supply is without electricity, and system returns to again the state of complete power-off.
Specific embodiment three
Fig. 3 is the power-off start-up circuit figure of a kind of charged pool equipment of providing of another embodiment of the present invention.
Referring to Fig. 3, in the present embodiment, described charged pool equipment also comprises operational module, such as touch-screen, function button etc., MCU also comprises detecting module, and detecting module is used for detecting operational module and has or not operation in Preset Time section, and will detect result feedback to I/O mouth.In Fig. 3, do not draw the operational module of charged pool equipment, but drawn the detecting module of MCU.Referring to Fig. 3, this power-off start-up circuit for charged pool equipment of the present invention comprises: triode Q2 and PMOS pipe Q3, divider resistance R1, R2 and R3, current-limiting resistance R4, pull-up resistor R5 and keyswitch.
The source electrode of one end of one end of keyswitch S1 and the battery supply of charged battery apparatus, pull-up resistor R5 and PMOS pipe Q3 links together;
The collector of the PMOS pipe grid of Q3 and the other end of pull-up resistor R5 and triode Q2 is connected respectively;
The drain electrode of PMOS pipe Q3 is as the system power supply power output end of charged pool equipment; This power supply output terminal connects power management chip, and when system power supply power output end has electric current output, power management chip is that MCU powers on.
The base stage of triode Q2 is connected with one end of current-limiting resistance R4;
The grounded emitter of triode Q2;
One end of the other end of current-limiting resistance R4 and divider resistance R1 and the other end of keyswitch S1 are connected respectively;
The I/O mouth of the other end of divider resistance R1 and charged pool equipment is connected;
One end of divider resistance R3 is connected with the other end of keyswitch S1.
One end of the other end of divider resistance R3 and divider resistance R2 is connected with the MCU with ADC function of charged pool equipment detecting pin;
The other end ground connection of divider resistance R2.
In one embodiment of the invention, the resistance of divider resistance R2 and R3 is selected to meet equation V1=R2*V2/ (R2+R3), and wherein, V1 is the voltage of Micro-processor MCV detecting pin, the voltage that V2 is battery supply.
While disconnecting with closure due to mechanical switch, may have the shake of moment.In the present embodiment, utilize the discharge lag of electric capacity and filter action to realize hardware for jitters elimination, overcome the adverse effect that keyswitch mechanical shaking brings.This circuit also comprises with first of keyswitch S1 parallel connection and disappears and tremble capacitor C 1 and be connected second of MCU detecting pin, other end ground connection with one end and disappear and tremble capacitor C 2.First disappears trembles capacitor C 1 and can make the change in voltage of switch ends more level and smooth; Simultaneously because MCU detecting pin is for detection of change in voltage, second disappears trembles capacitor C 2 and can eliminate the interference on detecting circuit, improves detecting accuracy.In other embodiments of the invention, also can set up in parallel with keyswitch S1 first and disappear and tremble capacitor C 1, also can set up one end and connect second of MCU detecting pin, other end ground connection and disappear and tremble capacitor C 2.
Referring to Fig. 3, in the present embodiment, this charged pool equipment also comprises operational module, and the MCU of equipment also comprises detecting module, and detecting module is used for detecting operational module and has or not operation in Preset Time section, and will detect the I/O mouth of result feedback to equipment.
The specific works process of this circuit is: when needs are started shooting, and the switch S 1 that pushes button, the base stage of triode Q2 becomes high level, when the base voltage of Q2 is greater than the forward voltage of Q2, triode Q2 conducting.Q2 conducting causes Q3 conducting, the output terminal of system power supply power supply is powered on to system MCU, the voltage status of very first time detecting MCU detecting pin after MCU works on power, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high, now unclamped keyswitch S1.After S1 disconnects, because I/O mouth is high level, so the base stage of triode Q2 is still high level, Q2 or conducting, Q2 conducting causes Q3 conducting, and now the output terminal of system power supply power supply continues there is electricity, and the voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1).Wherein, the supply voltage that V3 is MCU.
When needs shut down, the switch S 1 that again pushes button, the voltage that detects MCU detecting pin as MCU when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), drags down the level of I/O mouth, becomes low level.When again unclamping keyswitch S1, the base stage of triode Q2 is passed through resistance R 4, R3 and R2 ground connection, now Q2 cut-off.Q2 cut-off causes the cut-off of Q3, so the output terminal of system power supply power supply is without electricity, and system returns to again the state of complete power-off.
The circuit of the present embodiment, owing to being provided with detecting module, therefore can be realized charged pool equipment automatic power-off shutdown function without operation in Preset Time section.Referring to Fig. 3, the I/O mouth of equipment and the detecting module of MCU are connected, and the power management chip of MCU and equipment is connected.By the detecting module of charged pool equipment MCU, go the operational module of detecting charged pool equipment to have or not operation in Preset Time section, and will detect the I/O mouth of result feedback to equipment.Thereby the level that MCU adjusts the I/O mouth of equipment according to detecting result is realized charged pool equipment automatic power-off shutdown function without operation in Preset Time section.For example this charged pool equipment can be the electronic equipment with touch-screen, mobile phone for example, panel computer etc., detecting module can be detected on touch-screen and (can be understood as the Preset Time that screen protection starts in certain hour section, 5s for example, 10s, 15s, 30s, 1min, 2min, 5min) have or not touch operation (can determine and have or not operation on touch-screen by the capacitance variations of detecting touch-screen), if detect touch-screen, within a period of time, all there is no operation, can judge that user does not use this equipment, now MCU drags down the level of the I/O mouth of this equipment (being equivalent to detecting module feedback detecting result to I/O mouth) according to this result, become low level, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, now Q2 cut-off.Q2 cut-off causes the cut-off of Q3, and then makes the output terminal of system power supply power supply without electricity, and system enters the state of complete power-off, and charged pool equipment has entered " low-power consumption standby pattern " automatically; Certainly, if detect touch-screen, in certain hour section, have operation, the level of I/O mouth is maintained high level, and the output terminal of system power supply power supply continues there is electricity, and system is in running order.Wherein, should " low-power consumption standby pattern " be a kind of zero-power shutdown mode, when user needs charged pool equipment to rework, it need to be waken up to mode of operation from " low-power consumption standby pattern ", this wake operation is actually a kind of process of start again, and this process of again starting shooting is consuming time very short, concerning user, this process and traditional standby wakeup difference are little, the experience that therefore can not make troubles.For example this charged pool equipment is the equipment with function button again, such as bluetooth earphone etc., the function button that detecting module can be detected this equipment is in and in certain hour section, has or not button operation (can change to define without button operation by the curtage of detecting key circuit), if detecting the function button of this equipment is in and all there is no button operation in a period of time, can judge that user does not use this equipment, now MCU drags down the level of the I/O mouth of this equipment according to this result, become low level, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, now Q2 cut-off.Q2 cut-off causes the cut-off of Q3, and then makes the output terminal of system power supply power supply without electricity, and system enters the state of complete power-off, and charged pool equipment has entered " low-power consumption standby pattern ", i.e. zero-power shutdown mode automatically.
According to another aspect of the present invention, a kind of control method of the charged pool equipment based on circuit described in one aspect of the invention is provided, the method comprises: when charged pool equipment is only put into battery and do not started shooting, MCU is in electroless state, the MCU detecting voltage of pin and the equal stateless of the supply voltage of MCU, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and triode Q2 ends, the output terminal of system power supply power supply is without electricity, and system is in complete off-position;
When charged pool equipment need to be started shooting, switch pushes button, it is high level that the output of battery supply makes the base stage of Q2, Q2 conducting, and then cause Q3 conducting, the output terminal of system power supply power supply powers on to system MCU, and then the level of I/O mouth is drawn high, now unclamp keyswitch, the output terminal of system power supply power supply continues there is electricity, system boot;
When charged pool equipment need to shut down, the switch that again pushes button, the voltage that detects MCU detecting pin as MCU changes, and the level of I/O mouth is dragged down; Again unclamp keyswitch, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and Q2 ends, and then causes the cut-off of Q3, and the output terminal of system power supply power supply is without electricity, and system closedown is power-off completely also.
In one embodiment of the invention, in charged pool device power-up process, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high; Unclamp after keyswitch, I/O mouth is high level, and the voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1);
In described charged pool equipment shutdown process, again push button after switch, when the voltage of MCU detecting pin is when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), the level of I/O mouth is dragged down; Wherein, the voltage of the detecting pin that V1 is MCU, the voltage that V2 is battery supply, the supply voltage that V3 is MCU.
In one embodiment of the invention, charged pool equipment also comprises operational module, and MCU also comprises detecting module, and the method also comprises:
After system boot, the operational module of detecting module detecting charged pool equipment has or not operation in Preset Time, if having, the output terminal of system power supply power supply continues there is electricity, and system is in running order; If nothing, MCU drags down the level of I/O mouth, and Q2 ends, and then causes the cut-off of Q3, makes the output terminal of system power supply power supply without electricity, and system enters complete off-position, and charged pool equipment is equivalent to automatically enter Zero-power-consumption standby pattern.Wherein MCU can select the chip with detecting arbitration functions, for example the Bluetooth chip CSR8670 of the NUC123SD4AN0 of Nuvoton company or CSR company.Power management chip can be conventional chip, for example the MAX77686PWM power management chip of U.S. letter or the PCF50626PMU of Philip.。
In one embodiment of the invention, operational module comprises touch-screen and/or function button.
In sum, power-off start-up circuit and the control method of this charged pool equipment of the present invention, realize the complete power-off of equipment by keyswitch, and can the in the situation that of the complete power-off of equipment, by keyswitch, make device start.And, the present invention can also be by presetting a period of time, and in Preset Time section, the operational module of detection equipment has or not operation behavior, adjusts the level of equipment I/O while not operating in Preset Time section, make equipment enter complete off-position, extend the flying power of system battery power supply.Reduce thus system power dissipation, the serviceable life of protection equipment extension device.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a power-off start-up circuit for charged pool equipment, is characterized in that, described circuit comprises: triode Q2 and PMOS pipe Q3, divider resistance R1, R2 and R3, current-limiting resistance R4, pull-up resistor R5 and keyswitch;
The source electrode of one end of one end of described keyswitch and the battery supply of described charged battery apparatus, described pull-up resistor R5 and described PMOS pipe Q3 links together;
The collector of the described PMOS pipe grid of Q3 and the other end of described pull-up resistor R5 and described triode Q2 is connected respectively;
The drain electrode of described PMOS pipe Q3 is as the system power supply power output end of described charged pool equipment;
The base stage of described triode Q2 is connected with one end of described current-limiting resistance R4;
The grounded emitter of described triode Q2;
The other end of described current-limiting resistance R4 is connected respectively with one end of described divider resistance R1 and the other end of described keyswitch;
The I/O mouth of the other end of described divider resistance R1 and described charged battery apparatus is connected;
One end of described divider resistance R3 is connected with the other end of described keyswitch;
One end of the other end of described divider resistance R3 and described divider resistance R2 is connected with the MCU with ADC function of described charged pool equipment detecting pin;
The other end ground connection of described divider resistance R2.
2. circuit as claimed in claim 1, is characterized in that, the resistance of described divider resistance R2 and R3 is selected to meet equation V1=R2*V2/ (R2+R3), and wherein, V1 is the voltage of described Micro-processor MCV detecting pin, the voltage that V2 is battery supply.
3. circuit as claimed in claim 1, is characterized in that, described triode Q2 is NPN type triode.
4. circuit as claimed in claim 1, is characterized in that, described circuit also comprises with first of keyswitch parallel connection and disappears and tremble electric capacity and/or one end and be connected second of MCU detecting pin, other end ground connection and disappear and tremble electric capacity.
5. the circuit as described in any one in claim 1 to 4, it is characterized in that, described charged pool equipment also comprises operational module, and described MCU also comprises detecting module, described detecting module is detected described operational module and have or not operation in Preset Time section, and will detect result feedback to described I/O mouth.
6. circuit as claimed in claim 5, is characterized in that, described operational module comprises touch-screen and/or function button.
7. a control method for the charged pool equipment based on circuit described in any one in claim 1 to 6, is characterized in that, described method comprises:
When described charged pool equipment is only put into battery and is not started shooting, MCU is in electroless state, the MCU detecting voltage of pin and the equal stateless of the supply voltage of MCU, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, triode Q2 cut-off, the output terminal of system power supply power supply is without electricity, and system is in complete off-position;
When described charged pool equipment need to be started shooting, switch pushes button, it is high level that the output of battery supply makes the base stage of Q2, Q2 conducting, and then cause Q3 conducting, the output terminal of system power supply power supply powers on to system MCU, and then the level of I/O mouth is drawn high, now unclamp keyswitch, the output terminal of system power supply power supply continues there is electricity, system boot;
When described charged pool equipment need to shut down, the switch that again pushes button, the voltage that detects MCU detecting pin as MCU changes, and the level of I/O mouth is dragged down; Again unclamp keyswitch, the base stage of triode Q2 is by resistance R 4, R3 and R2 ground connection, and Q2 ends, and then causes the cut-off of Q3, and the output terminal of system power supply power supply is without electricity, and system closedown is power-off completely also.
8. control method as claimed in claim 7, is characterized in that,
In described charged pool device power-up process, when the voltage of MCU detecting pin meets V1=R2*V2/ (R2+R3), the level of I/O mouth is drawn high; Unclamp after keyswitch, I/O mouth is high level, and the voltage of MCU detecting pin becomes V1=R2*V3/ (R2+R3+R1);
In described charged pool equipment shutdown process, again push button after switch, when the voltage of MCU detecting pin is when V1=R2*V3/ (R2+R3+R1) becomes V1=R2*V2/ (R2+R3), the level of I/O mouth is dragged down;
Wherein, the voltage of the detecting pin that V1 is MCU, the voltage that V2 is battery supply, the supply voltage that V3 is MCU.
9. control method as claimed in claim 7, is characterized in that, described charged pool equipment also comprises operational module, and described MCU also comprises detecting module, and described method also comprises:
After system boot, the operational module that described detecting module is detected described charged pool equipment has or not operation in Preset Time section, if having, the output terminal of system power supply power supply continues there is electricity, and system is in running order; If nothing, MCU drags down the level of I/O mouth, and Q2 ends, and then causes the cut-off of Q3, makes the output terminal of system power supply power supply without electricity, and system enters complete off-position.
10. control method as claimed in claim 9, is characterized in that, described operational module comprises touch-screen and/or function button.
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| CN201310711732.7A CN103713724A (en) | 2013-12-20 | 2013-12-20 | Outage starting circuit with battery equipment and control method |
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| CN201310711732.7A CN103713724A (en) | 2013-12-20 | 2013-12-20 | Outage starting circuit with battery equipment and control method |
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| CN103713724A true CN103713724A (en) | 2014-04-09 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104371A (en) * | 2014-06-27 | 2014-10-15 | 青岛歌尔声学科技有限公司 | Electronic product switching circuit |
| CN106293011A (en) * | 2016-08-31 | 2017-01-04 | 华立科技股份有限公司 | The hard reboot reserve battery electric power system of a kind of pair of button multiplexing and processing method |
| CN107230808A (en) * | 2017-06-08 | 2017-10-03 | 山东超越数控电子有限公司 | A kind of full reinforcement type equipment lithium battery exempts from dismounting storage system and method |
| CN107834848A (en) * | 2017-10-26 | 2018-03-23 | 上海与德科技有限公司 | Voltage conversion match circuit, mobile terminal and mobile unit |
| CN108054828A (en) * | 2017-11-30 | 2018-05-18 | 海尔优家智能科技（北京）有限公司 | Saving Power Control Circuit and its control method |
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| CN110299122A (en) * | 2019-07-05 | 2019-10-01 | 福州京东方光电科技有限公司 | Display mode control circuit and its driving method, display mode control system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050180226A1 (en) * | 2004-02-13 | 2005-08-18 | Denso Corporation | Voltage output control apparatus and method |
| CN102193616A (en) * | 2010-03-11 | 2011-09-21 | 上海果壳电子有限公司 | Method for controlling power supply of electronic device for improving battery life |
| CN202772861U (en) * | 2012-08-29 | 2013-03-06 | 四川虹视显示技术有限公司 | Startup and shutdown circuit used in fish finder |
| CN102981425A (en) * | 2012-11-27 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Startup and shutdown circuit |
| CN202841089U (en) * | 2012-06-08 | 2013-03-27 | 国基电子（上海）有限公司 | Power on-off circuit and electronic device having power on-off circuit |
| CN203720777U (en) * | 2013-12-20 | 2014-07-16 | 青岛歌尔声学科技有限公司 | Outage starting circuit of equipment provided with battery |
-
2013
- 2013-12-20 CN CN201310711732.7A patent/CN103713724A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050180226A1 (en) * | 2004-02-13 | 2005-08-18 | Denso Corporation | Voltage output control apparatus and method |
| CN102193616A (en) * | 2010-03-11 | 2011-09-21 | 上海果壳电子有限公司 | Method for controlling power supply of electronic device for improving battery life |
| CN202841089U (en) * | 2012-06-08 | 2013-03-27 | 国基电子（上海）有限公司 | Power on-off circuit and electronic device having power on-off circuit |
| CN202772861U (en) * | 2012-08-29 | 2013-03-06 | 四川虹视显示技术有限公司 | Startup and shutdown circuit used in fish finder |
| CN102981425A (en) * | 2012-11-27 | 2013-03-20 | 广东威创视讯科技股份有限公司 | Startup and shutdown circuit |
| CN203720777U (en) * | 2013-12-20 | 2014-07-16 | 青岛歌尔声学科技有限公司 | Outage starting circuit of equipment provided with battery |
Cited By (15)
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|---|---|---|---|---|
| CN104104371A (en) * | 2014-06-27 | 2014-10-15 | 青岛歌尔声学科技有限公司 | Electronic product switching circuit |
| CN106293011B (en) * | 2016-08-31 | 2023-09-01 | 华立科技股份有限公司 | Dual-key multiplexing hard-start standby battery power supply system and processing method |
| CN106293011A (en) * | 2016-08-31 | 2017-01-04 | 华立科技股份有限公司 | The hard reboot reserve battery electric power system of a kind of pair of button multiplexing and processing method |
| CN107230808A (en) * | 2017-06-08 | 2017-10-03 | 山东超越数控电子有限公司 | A kind of full reinforcement type equipment lithium battery exempts from dismounting storage system and method |
| CN107834848A (en) * | 2017-10-26 | 2018-03-23 | 上海与德科技有限公司 | Voltage conversion match circuit, mobile terminal and mobile unit |
| CN108054828A (en) * | 2017-11-30 | 2018-05-18 | 海尔优家智能科技（北京）有限公司 | Saving Power Control Circuit and its control method |
| CN109062393A (en) * | 2018-07-25 | 2018-12-21 | 苏州浪潮智能软件有限公司 | A kind of design scheme for realizing included UPS terminal device system interlink switch with software mode |
| CN109407592A (en) * | 2018-12-18 | 2019-03-01 | 安徽庆宇光电科技有限公司 | A kind of remote sensing monitoring control circuit |
| CN109407592B (en) * | 2018-12-18 | 2024-01-19 | 安徽庆宇光电科技有限公司 | Remote sensing monitoring control circuit |
| CN109831096A (en) * | 2018-12-28 | 2019-05-31 | 佛山市顺德区携创电机制造有限公司 | A kind of controllable low power consumption power supply circuit |
| CN110057021A (en) * | 2019-04-22 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of circuit breaking controlling method and device for unpicking and washing air-conditioning |
| CN110057021B (en) * | 2019-04-22 | 2021-08-24 | 宁波奥克斯电气股份有限公司 | Power-off control method and device for unpicking and washing air conditioner |
| CN110299122A (en) * | 2019-07-05 | 2019-10-01 | 福州京东方光电科技有限公司 | Display mode control circuit and its driving method, display mode control system |
| CN111193517A (en) * | 2020-02-24 | 2020-05-22 | 苏州贝昂科技有限公司 | Digital combined key circuit |
| CN113395668A (en) * | 2020-03-16 | 2021-09-14 | 无锡市铖月科技有限公司 | Low-power consumption communication control circuit |
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Application publication date: 20140409 |