CN209842729U - Shared electric bicycle unlocking circuit and terminal equipment - Google Patents
Shared electric bicycle unlocking circuit and terminal equipment Download PDFInfo
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- CN209842729U CN209842729U CN201921005213.8U CN201921005213U CN209842729U CN 209842729 U CN209842729 U CN 209842729U CN 201921005213 U CN201921005213 U CN 201921005213U CN 209842729 U CN209842729 U CN 209842729U
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Abstract
The utility model discloses a sharing electric bicycle circuit of unblanking and terminal equipment, the utility model discloses an utilize sharing electric bicycle circuit of unblanking, sharing electric bicycle circuit of unblanking includes main power supply circuit, power switching circuit, stand-by power supply circuit and electronic lock; the main power supply circuit outputs the power supply voltage to the power supply switching circuit; when the power supply voltage is lower than the preset voltage, the power supply switching circuit disconnects the main power supply circuit, receives the standby voltage output by the standby power supply circuit, and sends the standby voltage to the electronic lock so as to unlock the electronic lock; when stand-by power supply circuit was disconnected at main power supply circuit, output stand-by voltage to power supply switching circuit, when having solved the main power supply not enough, the unable condition of opening of electronic lock supplied power to the electronic lock through stand-by power supply, can accelerate to change vehicle battery and change speed, improved the duration of shared electric motor car, guaranteed the normal driving of shared electric motor car, promoted the user experience of riding.
Description
Technical Field
The utility model relates to an intelligent transportation field, in particular to sharing electric bicycle circuit and terminal equipment of unblanking.
Background
With the development of technology, people use various shared devices in daily life, such as shared automobiles, shared charge pal, shared bicycles, shared electric vehicles, and the like.
In order to solve the stolen problem of vehicle battery, the electronic lock is replaced traditional mechanical lock to pin vehicle battery most all to current sharing electric motor car, give the electronic lock power supply through vehicle battery, but after the battery is not enough at battery voltage or battery power exhausts, can't give the normal power supply of electronic lock, lead to that the electronic lock can't open, and then lead to the unable battery of changing of fortune dimension personnel, the vehicle can't normally go on, can only go back to the maintenance place through the vehicle delivery and unpack the vehicle back and carry out the battery change, the time cycle overlength, seriously influence vehicle manufacturer's operational benefits, and user experience is relatively poor.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sharing electric bicycle circuit and terminal equipment of unblanking can hang down or when the electric quantity exhausts at battery voltage, continues to be the electronic lock power supply, solves because the battery electric quantity of sharing electric motor car crosses the problem that the electronic lock can't normally open when low or the electric quantity exhausts.
In order to achieve the above object, the utility model provides a sharing electric bicycle circuit and terminal equipment of unblanking:
the sharing electric bicycle unlocking circuit comprises:
the electronic lock comprises a main power supply circuit, a power supply switching circuit, a standby power supply circuit and an electronic lock; the main power supply circuit is connected with the power supply switching circuit, the standby power supply circuit is connected with the power supply switching circuit, and the power supply switching circuit is connected with the electronic lock; wherein the content of the first and second substances,
the main power supply circuit is used for outputting power supply voltage to the power supply switching circuit;
the standby power supply circuit is used for outputting standby voltage to the power supply switching circuit when the main power supply circuit is disconnected;
and the power supply switching circuit is used for disconnecting the main power supply circuit, receiving the standby voltage output by the standby power supply circuit and sending the standby voltage to the electronic lock when the power supply voltage is lower than a preset voltage, so that the electronic lock is unlocked.
Preferably, the main power supply circuit comprises: the main power supply battery is connected with the voltage converter, and the voltage converter is connected with the power supply switching circuit; wherein the content of the first and second substances,
the main power supply battery is used for providing a main power supply voltage and outputting the main power supply voltage to the voltage converter;
the voltage converter is used for converting the main power supply voltage into a power supply voltage and outputting the power supply voltage to the power supply switching circuit.
Preferably, the backup power supply circuit includes: the standby battery is connected with the booster circuit, and the booster circuit is connected with the power supply switching circuit; wherein the content of the first and second substances,
the backup battery is used for providing backup power supply voltage and outputting the backup power supply voltage to the booster circuit;
and the booster circuit is used for boosting the standby power supply voltage to obtain standby voltage and outputting the standby voltage to the power supply switching circuit.
Preferably, the booster circuit includes: the boost control circuit comprises a boost control chip, a first inductor, a first resistor, a first capacitor, a second capacitor and a third capacitor; wherein the content of the first and second substances,
the standby battery is connected with the input end of the boost control chip, the first end of the first inductor is connected with the input end of the boost control chip, the second end of the first inductor is connected with the conversion end of the boost control chip, the first end of the first resistor is connected with the enabling end of the boost control chip, the second end of the first resistor is grounded, the first end of the first capacitor is grounded with the first end of the second capacitor respectively, the second end of the first capacitor is grounded with the second end of the second capacitor is connected with the standby battery respectively, the first end of the third capacitor is connected with the output end of the boost control chip, the second end of the third capacitor is grounded, and the output end of the boost control chip is connected with the power switching circuit.
Preferably, the power supply switching circuit includes: the main power output circuit is connected with the voltage converter and also connected with the electronic lock; the standby power supply output circuit is connected with the voltage converter, the standby power supply output circuit is also connected with the booster circuit, and the standby power supply output circuit is also connected with the electronic lock; wherein the content of the first and second substances,
the main power supply output circuit is used for sending the power supply voltage to the electronic lock when the power supply voltage is the preset voltage so as to unlock the electronic lock;
and the standby power supply output circuit is used for disconnecting the power supply voltage when the power supply voltage is lower than a preset voltage, and sending the standby voltage to the electronic lock so as to unlock the electronic lock.
Preferably, the main power output circuit includes: the first triode is connected with the first resistor and the second resistor; wherein the content of the first and second substances,
the drain electrode of the first field effect transistor is connected with the voltage converter; the grid electrode of the first field effect transistor is connected with the collector electrode of the first triode, the first end of the second resistor is connected with the grid electrode of the first field effect transistor, the second end of the second resistor is connected with the source electrode of the first field effect transistor, and the source electrode of the first field effect transistor is also connected with the electronic lock; the first end of the third resistor is connected with the voltage converter, the second end of the third resistor is connected with the base electrode of the first triode, the second end of the third resistor is further connected with the first end of the fourth resistor, the second end of the fourth resistor is grounded, and the emitting electrode of the first triode is grounded.
Preferably, the standby power output circuit includes: the second field effect transistor, the fifth resistor and the sixth resistor; wherein the content of the first and second substances,
the drain electrode of the second field effect transistor is connected with the output end of the boost control chip, the grid electrode of the second field effect transistor is connected with the first end of the fifth resistor, the second end of the fifth resistor is connected with the voltage converter, the first end of the sixth resistor is connected with the first end of the fifth resistor, the second end of the sixth resistor is grounded, and the source electrode of the second field effect transistor is connected with the electronic lock.
Preferably, the voltage converter includes: the power supply control chip, the direct current filter circuit, the voltage reduction circuit, the feedback circuit and the filtering and voltage stabilizing circuit; the direct current filter circuit is connected with the main power supply battery, the direct current filter circuit is connected with the input end of the power supply control chip, the voltage reduction circuit is connected with the voltage reduction end and the conversion end of the power supply control chip, the feedback circuit is connected with the voltage feedback end of the power supply control chip, and the voltage reduction circuit is connected with the filtering and voltage stabilizing circuit.
Preferably, the dc filter circuit includes a fourth capacitor and a fifth capacitor; wherein the content of the first and second substances,
the first end of the fourth capacitor is connected with the main power supply battery, the first end of the fourth capacitor is also connected with the input end of the power supply control chip, the first end of the fifth capacitor is connected with the main power supply battery, and the second end of the fourth capacitor and the second end of the fifth capacitor are both grounded;
the voltage reduction circuit comprises a sixth capacitor, a seventh resistor, a seventh capacitor, an eighth capacitor, a first diode and a second inductor; wherein the content of the first and second substances,
the first end of the sixth capacitor is connected with the voltage reduction end of the power supply control chip, the second end of the sixth capacitor is connected with the cathode of the first diode, and the anode of the first diode is grounded; the negative electrode of the first diode is further connected with a conversion end of the power control chip, a first end of the seventh resistor is connected with a conversion end of the power control chip, a second end of the seventh resistor is connected with a first end of the seventh capacitor, a second end of the seventh capacitor is connected with a first end of an eighth capacitor, a second end of the eighth capacitor is grounded, a first end of the eighth capacitor is connected with a voltage feedback end of the source control chip, a first end of the eighth capacitor is further connected with the feedback circuit, a second end of the sixth capacitor is further connected with a first end of the second inductor, and a second end of the second inductor is connected with the filtering and voltage stabilizing circuit;
the feedback circuit comprises an eighth resistor, a ninth resistor and a ninth capacitor; the first end of the eighth resistor and the first end of the ninth capacitor are both connected with the power supply switching circuit, the second end of the eighth resistor is connected with the first end of the ninth resistor, the first end of the ninth resistor is also connected with the voltage feedback end of the source control chip, the second end of the ninth resistor is grounded, and the second end of the ninth capacitor is connected with the first end of the ninth resistor;
the filtering voltage stabilizing circuit comprises a tenth capacitor, an eleventh capacitor and a second diode; wherein the content of the first and second substances,
a first end of the tenth capacitor is connected with a second end of the second inductor, the first end of the tenth capacitor is also connected with a first end of the eleventh capacitor and a cathode of the second diode respectively, and the second end of the tenth capacitor, the second end of the eleventh capacitor and an anode of the second diode are all grounded; and the first end of the tenth capacitor is also connected with the power supply switching circuit.
In order to achieve the above object, the utility model also provides a terminal device:
the terminal device comprises the shared electric bicycle unlocking circuit.
The utility model discloses an utilize sharing electric bicycle circuit and terminal equipment of unblanking, sharing electric bicycle circuit of unblanking includes: the electronic lock comprises a main power supply circuit, a power supply switching circuit, a standby power supply circuit and an electronic lock; the main power supply circuit is connected with the power supply switching circuit, the standby power supply circuit is connected with the power supply switching circuit, and the power supply switching circuit is connected with the electronic lock; the main power supply circuit outputs a power supply voltage to the power supply switching circuit; when the power supply voltage is lower than a preset voltage, the power supply switching circuit disconnects the main power supply circuit, receives a standby voltage output by the standby power supply circuit, and sends the standby voltage to the electronic lock so as to unlock the electronic lock; the stand-by power supply circuit is in when main power supply circuit breaks off, output stand-by voltage extremely power supply switching circuit has solved the main power supply when not enough, and the unable condition of opening of electronic lock supplies power to electronic lock through stand-by power supply, can accelerate change vehicle battery and change speed, has improved the duration of shared electric motor car, has guaranteed the normal driving of shared electric motor car, has promoted the user and has ridden and experience.
Drawings
Fig. 1 is a functional block diagram of an embodiment of the shared electric bicycle unlocking circuit of the present invention;
FIG. 2 is a functional block diagram of another embodiment of the shared electric bicycle unlocking circuit of the present invention;
fig. 3 is a circuit diagram of an embodiment of the voltage detection circuit of the shared electric bicycle unlocking circuit of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In this embodiment, a sharing electric bicycle circuit of unblanking, sharing electric bicycle circuit of unblanking includes: a main power supply circuit 100, a power supply switching circuit 200, a standby power supply circuit 300 and an electronic lock 400; the main power supply circuit 100 is connected to the power supply switching circuit 200, the standby power supply circuit 300 is connected to the power supply switching circuit 200, and the power supply switching circuit 200 is connected to the electronic lock 400; the main power supply circuit 100 is configured to output a power supply voltage to the power supply switching circuit 200; the standby power supply circuit 300 is configured to output a standby voltage to the power supply switching circuit 200 when the main power supply circuit 100 is disconnected; the power switching circuit 200 is configured to disconnect the main power supply circuit 100, receive the standby voltage output by the standby power supply circuit 300, and send the standby voltage to the electronic lock 400, so that the electronic lock 400 is unlocked when the power supply voltage is lower than a preset voltage.
In order to continuously provide a stable voltage to the electronic lock, further, the main power supply circuit 100 includes: a main power supply battery BAT1 and a voltage converter DCDC, the main power supply battery BAT1 being connected to the voltage converter DCDC, the voltage converter DCDC being connected to the power supply switching circuit 200; wherein the main power supply battery BAT1 is configured to provide a main power supply voltage and output the main power supply voltage to the voltage converter DCDC; the voltage converter DCDC is configured to convert the main power voltage into a supply voltage, and output the supply voltage to the power switching circuit 200.
In order to continuously supply power to the electronic lock when the power supply of the main power supply is insufficient, and ensure that the electronic lock is normally unlocked, further, the standby power supply circuit 300 includes: a backup battery BAT2 and a boost circuit 301, wherein the backup battery BAT2 is connected with the boost circuit 301, and the boost circuit 301 is connected with the power supply switching circuit 200; the standby battery BAT2 is configured to provide a standby power supply voltage and output the standby power supply voltage to the voltage boost circuit 301; the boost circuit 301 is configured to boost the standby power supply voltage to obtain a standby voltage, and output the standby voltage to the power supply switching circuit 200.
In order to provide a stable voltage for the electronic lock and ensure that the electronic lock is normally opened, further, the voltage boost circuit 301 includes: the boost control circuit comprises a boost control chip U1, a first inductor L1, a first resistor R1, a first capacitor C1, a second capacitor C2 and a third capacitor C3; wherein the standby battery BAT2 is connected with the input end of the boost control chip U1, the first end of the first inductor L1 is connected with the input end of the boost control chip U1, the second end of the first inductor L1 is connected with the switching end of the boost control chip U1, the first end of the first resistor R1 is connected with the enabling end of the boost control chip U1, the second end of the first resistor R1 is grounded, a first end of the first capacitor C1 and a first end of the second capacitor C2 are respectively grounded, a second end of the first capacitor C1 and a second end of the second capacitor C2 are respectively connected with the standby battery BAT2, the first end of the third capacitor C3 is connected to the output end of the boost control chip U1, the second end of the third capacitor C3 is grounded, and the output end of the boost control chip U1 is connected to the power switching circuit 200.
In order to quickly switch between the standby power supply and the main power supply, ensure the normal opening of the electronic lock, and accelerate the battery replacement speed, the power switching circuit 200 further includes: a main power output circuit 201 and a standby power output circuit 202, wherein the main power output circuit 201 is connected with the voltage converter DCDC, and the main power output circuit 201 is further connected with the electronic lock 400; the standby power output circuit 202 is connected to the voltage converter DCDC, the standby power output circuit 202 is further connected to the voltage boost circuit 301, and the standby power output circuit 202 is further connected to the electronic lock 400; the main power output circuit 201 is configured to send the power supply voltage to the electronic lock 400 when the power supply voltage is the preset voltage, so that the electronic lock 400 is unlocked; the standby power output circuit 202 is configured to disconnect the power supply voltage when the power supply voltage is lower than a preset voltage, and send the standby voltage to the electronic lock 400, so that the electronic lock 400 is unlocked.
In order to use the main power source as the unlocking power source of the electronic lock to ensure the normal unlocking of the electronic lock, further, the main power source output circuit 201 includes: the circuit comprises a first field effect transistor PMOS1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first triode Q1; the drain d of the first field effect transistor PMOS1 is connected with the voltage converter DCDC; the gate g of the first field-effect transistor PMOS1 is connected to the collector c of the first triode Q1, the first end of the second resistor R2 is connected to the gate g of the first field-effect transistor PMOS1, the second end of the second resistor R2 is connected to the source s of the first field-effect transistor PMOS1, and the source s of the first field-effect transistor PMOS1 is further connected to the electronic lock 400; a first end of the third resistor R3 is connected to the voltage converter DCDC, a second end of the third resistor R3 is connected to the base b of the first transistor Q1, a second end of the third resistor R3 is further connected to a first end of the fourth resistor R4, a second end of the fourth resistor R4 is grounded, and an emitter e of the first transistor Q1 is grounded.
In order to use the standby power as the unlocking power of the electronic lock and ensure the normal unlocking of the electronic lock, further, the standby power output circuit 202 includes: the second field effect transistor PMOS2, the fifth resistor R5 and the sixth resistor R6; the drain d of the second field-effect transistor PMOS2 is connected to the output end of the boost control chip U1, the gate g of the second field-effect transistor PMOS2 is connected to the first end of the fifth resistor R5, the second end of the fifth resistor R5 is connected to the voltage converter DCDC, the first end of the sixth resistor R6 is connected to the first end of the fifth resistor R5, the second end of the sixth resistor R6 is grounded, and the source s of the second field-effect transistor PMOS2 is connected to the electronic lock 400.
In order to convert the voltage of the main power supply into a voltage usable by the electronic lock and ensure normal opening of the electronic lock, the voltage converter DCDC further includes: the power supply control circuit comprises a power supply control chip U2, a direct current filter circuit 001, a voltage reduction circuit 002, a feedback circuit 003 and a filtering voltage stabilizing circuit 004; the direct current filter circuit 001 is connected with the main power battery BAT1, the direct current filter circuit 001 is connected with the input end of the power control chip U2, the voltage reduction circuit 002 is connected with the voltage reduction end BST and the conversion end SW of the power control chip U2, the feedback circuit 003 is connected with the voltage feedback end FB of the power control chip U2, and the voltage reduction circuit 002 is connected with the filter voltage stabilizing circuit 004.
In order to reduce the voltage of the main power supply, the reduced voltage is input to a power supply switching circuit to ensure that the electronic lock is normally opened, and further, the direct current filter circuit 001 includes a fourth capacitor C4 and a fifth capacitor C5; a first end of the fourth capacitor C4 is connected to the main power battery BAT1, a first end of the fourth capacitor C4 is further connected to an input end of the power control chip U2, a first end of the fifth capacitor C5 is connected to the main power battery BAT1, and a second end of the fourth capacitor C4 and a second end of the fifth capacitor C5 are both grounded; the voltage reduction circuit 002 comprises a sixth capacitor C6, a seventh resistor R7, a seventh capacitor C7, an eighth capacitor C8, a first diode D1 and a second inductor L2; a first end of the sixth capacitor C6 is connected to the voltage reduction end of the power control chip U2, a second end of the sixth capacitor C6 is connected to the cathode of a first diode D1, and the anode of the first diode D1 is grounded; the cathode of the first diode D1 is further connected to a switching terminal SW of the power control chip U2, the first terminal of the seventh resistor R7 is connected to the switching terminal SW of the power control chip U2, the second terminal of the seventh resistor R7 is connected to the first terminal of the seventh capacitor C7, the second terminal of the seventh capacitor C7 is connected to the first terminal of the eighth capacitor C8, the second terminal of the eighth capacitor C8 is grounded, the first terminal of the eighth capacitor is connected to the voltage feedback terminal FB of the source control chip U2, the first terminal of the eighth capacitor is further connected to the feedback circuit 003, the second terminal of the sixth capacitor C6 is further connected to the first terminal of the second inductor L2, and the second terminal of the second inductor L2 is connected to the filter voltage stabilizing circuit 004; the feedback circuit 003 comprises an eighth resistor R8, a ninth resistor R9 and a ninth capacitor C9; a first end of the eighth resistor R8 and a first end of the ninth capacitor C9 are both connected to the power switching circuit 200, a second end of the eighth resistor R8 is connected to a first end of the ninth resistor R9, a first end of the ninth resistor R9 is further connected to a voltage feedback end FB of the source control chip U2, a second end of the ninth resistor R9 is grounded, and a second end of the ninth capacitor C9 is connected to a first end of the ninth resistor R9; the filtering voltage stabilizing circuit 004 comprises a tenth capacitor C10, an eleventh capacitor C11 and a second diode D2; a first end of the tenth capacitor C10 is connected to the second end of the second inductor L2, a first end of the tenth capacitor C10 is further connected to the first end of the eleventh capacitor C11 and the cathode of the second diode D2, respectively, and a second end of the tenth capacitor C10, a second end of the eleventh capacitor C11, and the anode of the second diode D2 are all grounded; the first terminal of the tenth capacitor C10 is further connected to the power switching circuit 200.
The terminal device includes the shared electric bicycle unlocking circuit as described above, and the terminal device may be a corresponding processing device that processes the supply voltage of the electronic lock and stabilizes the supply voltage, or may be a processing control terminal device such as a voltage stabilizing controller, or may be another type of terminal device that implements the shared electric bicycle unlocking circuit, which is not limited in this embodiment.
Fig. 1 is a functional block diagram of an embodiment of the shared electric bicycle unlocking circuit of the present invention;
as shown in fig. 1, the shared electric bicycle unlocking circuit includes: a main power supply circuit 100, a power supply switching circuit 200, a standby power supply circuit 300 and an electronic lock 400; the main power supply circuit 100 is connected to the power supply switching circuit 200, the standby power supply circuit 300 is connected to the power supply switching circuit 200, and the power supply switching circuit 200 is connected to the electronic lock 400; the main power supply circuit 100 is configured to output a power supply voltage to the power supply switching circuit 200; the standby power supply circuit 300 is configured to output a standby voltage to the power supply switching circuit 200 when the main power supply circuit 100 is disconnected; the power switching circuit 200 is configured to disconnect the main power supply circuit 100, receive the standby voltage output by the standby power supply circuit 300, and send the standby voltage to the electronic lock 400, so that the electronic lock 400 is unlocked when the power supply voltage is lower than a preset voltage.
The shared electric bicycle unlocking circuit has the advantages that the shared electric bicycle unlocking circuit can switch the main power supply into the standby power supply through the power supply switching circuit when the main power supply circuit does not have enough voltage to supply power to the electronic lock through the shared electric bicycle unlocking circuit, and the electronic lock is enabled to be powered by the standby power supply through the power supply switching circuit, so that the replacement speed of the vehicle battery is accelerated, the cruising ability of the shared electric vehicle is improved, and the normal running of the shared electric vehicle is guaranteed.
The utility model discloses an utilize sharing electric bicycle circuit and terminal equipment of unblanking, sharing electric bicycle circuit of unblanking includes: the electronic lock comprises a main power supply circuit, a power supply switching circuit, a standby power supply circuit and an electronic lock; the main power supply circuit is connected with the power supply switching circuit, the standby power supply circuit is connected with the power supply switching circuit, and the power supply switching circuit is connected with the electronic lock; the main power supply circuit outputs a power supply voltage to the power supply switching circuit; when the main power supply circuit is disconnected, the standby power supply circuit outputs standby voltage to the power supply switching circuit; when the power supply voltage is lower than a preset voltage, the power supply switching circuit disconnects the main power supply circuit, receives a standby voltage output by the standby power supply circuit, and sends the standby voltage to the electronic lock so as to unlock the electronic lock; when having solved the main power supply not enough, the unable condition of opening of electronic lock supplies power to the electronic lock through stand-by power supply, can accelerate change vehicle battery and change speed, has improved the duration of a journey of shared electric motor car, has guaranteed the normal travel of shared electric motor car, has promoted the user and has ridden experience.
Based on the functional module diagram of one embodiment of the shared electric bicycle unlocking circuit shown in fig. 1, fig. 2 is a functional module diagram of another embodiment of the shared electric bicycle unlocking circuit of the present invention;
as shown in fig. 2, the main power supply circuit 100 includes: a main power supply battery BAT1 and a voltage converter DCDC, the main power supply battery BAT1 being connected to the voltage converter DCDC, the voltage converter DCDC being connected to the power supply switching circuit 200; wherein the main power supply battery BAT1 is configured to provide a main power supply voltage and output the main power supply voltage to the voltage converter DCDC; the voltage converter DCDC is configured to convert the main power voltage into a supply voltage, and output the supply voltage to the power switching circuit 200.
It should be noted that the preset voltage is a preset voltage for determining whether the power supply voltage meets the power supply voltage of the electronic lock, and may generally be set to 5V for unlocking the electronic lock, or may be set to other voltages, which is not limited in this embodiment; the main power battery BAT1 may be a lithium battery, a lead-acid battery, or other types of batteries, which is not limited in this embodiment; the voltage of the main power battery BAT1 is generally 48V, but may be a main power battery of other specifications, which is not limited in this embodiment; in this embodiment, the voltage converter DCDC is a voltage converter for converting a high-voltage dc power supply into a low-voltage dc power supply, and by converting a main power supply voltage into a power supply voltage, a stable voltage can be provided for the electronic lock, thereby ensuring that the electronic lock is normally unlocked.
Further, the backup power supply circuit 300 includes: a backup battery BAT2 and a boost circuit 301, wherein the backup battery BAT2 is connected with the boost circuit 301, and the boost circuit 301 is connected with the power supply switching circuit 200; the standby battery BAT2 is configured to provide a standby power supply voltage and output the standby power supply voltage to the voltage boost circuit 301; the boost circuit 301 is configured to boost the standby power supply voltage to obtain a standby voltage, and output the standby voltage to the power supply switching circuit 200.
It is understood that the backup battery BAT2 is generally located inside the central control device of the electric bicycle, but may be set at other locations, which is not limited in this embodiment; the voltage of the backup battery BAT2 may be generally 3.7V, but may also be a battery with other specifications, which is not limited in this embodiment; when the main power circuit 100 is disconnected, the standby voltage boosted by the booster circuit 301 of the standby battery BAT2 can be accessed through the power switching circuit 200, and the electronic lock is powered according to the standby voltage, so that the electronic lock is unlocked, and the quick replacement of the battery is ensured.
The utility model discloses a voltage converter DCDC is high voltage direct current power supply transform for low pressure DC power supply's voltage converter, through converting main power supply voltage into supply voltage, can provide stable voltage for the electronic lock, and then guarantees that the electronic lock normally unblanks, has further improved vehicle battery and has changed speed, has improved the duration of shared electric motor car, has guaranteed the normal travel of shared electric motor car, has promoted the user and has ridden and experience.
Based on the functional module diagram of another embodiment of the shared electric bicycle unlocking circuit shown in fig. 2, a circuit structure diagram of an embodiment of the shared electric bicycle unlocking circuit of the present invention is provided, and fig. 3 is a circuit structure diagram of an embodiment of the shared electric bicycle unlocking circuit of the present invention;
as shown in fig. 3, the booster circuit 301 includes: the boost control circuit comprises a boost control chip U1, a first inductor L1, a first resistor R1, a first capacitor C1, a second capacitor C2 and a third capacitor C3; wherein the standby battery BAT2 is connected with the input end of the boost control chip U1, the first end of the first inductor L1 is connected with the input end of the boost control chip U1, the second end of the first inductor L1 is connected with the switching end of the boost control chip U1, the first end of the first resistor R1 is connected with the enabling end of the boost control chip U1, the second end of the first resistor R1 is grounded, a first end of the first capacitor C1 and a first end of the second capacitor C2 are respectively grounded, a second end of the first capacitor C1 and a second end of the second capacitor C2 are respectively connected with the standby battery BAT2, the first end of the third capacitor C3 is connected to the output end of the boost control chip U1, the second end of the third capacitor C3 is grounded, and the output end of the boost control chip U1 is connected to the power switching circuit 200.
It should be noted that the boost control chip U1 may be a boost chip of model SGM66052.5.1, and certainly may also be a boost control chip of another model, which is not limited in this embodiment; the first resistor R1 may be a resistor with a resistance of 100K Ω, or may be a resistor with other specifications, which is not limited in this embodiment; the first capacitor C1 may be a 100nF patch capacitor, the second capacitor C2 may be a 10uF patch capacitor, and the third capacitor C3 may be a 22uF patch capacitor, or may be other types of capacitors, which is not limited in this embodiment; when the main power supply is connected, the enable terminal of the boost control chip U1 is at a low level, the boost circuit 301 does not operate, when the main power supply is disconnected, the enable terminal of the boost control chip U1 is at a high level, the boost circuit 301 operates, a voltage of the backup battery BAT2 is connected, a boost operation is performed through the first inductor L1, a backup voltage is obtained, and the backup voltage is output to the power supply switching circuit, where the backup voltage is generally 5V, and may be of other voltage values, which is not limited in this embodiment.
Further, the power switching circuit 200 includes: a main power output circuit 201 and a standby power output circuit 202, wherein the main power output circuit 201 is connected with the voltage converter DCDC, and the main power output circuit 201 is further connected with the electronic lock 400; the standby power output circuit 202 is connected to the voltage converter DCDC, the standby power output circuit 202 is further connected to the voltage boost circuit 301, and the standby power output circuit 202 is further connected to the electronic lock 400; the main power output circuit 201 is configured to send the power supply voltage to the electronic lock 400 when the power supply voltage is the preset voltage, so that the electronic lock 400 is unlocked; the standby power output circuit 202 is configured to disconnect the power supply voltage when the power supply voltage is lower than a preset voltage, and send the standby voltage to the electronic lock 400, so that the electronic lock 400 is unlocked.
It can be understood that when the power supply voltage is a preset voltage, the power supply voltage can be directly obtained through the main power output circuit 201 and sent to the electronic lock 400, so that the electronic lock 400 is unlocked; when the power supply voltage is less than the preset voltage, the standby voltage is obtained through the standby power output circuit 202 and is sent to the electronic lock 400, so that the electronic lock 400 is unlocked.
Further, the main power output circuit 201 includes: the circuit comprises a first field effect transistor PMOS1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first triode Q1; the drain d of the first field effect transistor PMOS1 is connected with the voltage converter DCDC; the gate g of the first field-effect transistor PMOS1 is connected to the collector c of the first triode Q1, the first end of the second resistor R2 is connected to the gate g of the first field-effect transistor PMOS1, the second end of the second resistor R2 is connected to the source s of the first field-effect transistor PMOS1, and the source s of the first field-effect transistor PMOS1 is further connected to the electronic lock 400; a first end of the third resistor R3 is connected to the voltage converter DCDC, a second end of the third resistor R3 is connected to the base b of the first transistor Q1, a second end of the third resistor R3 is further connected to a first end of the fourth resistor R4, a second end of the fourth resistor R4 is grounded, and an emitter e of the first transistor Q1 is grounded.
Accordingly, the standby power output circuit 202 includes: the second field effect transistor PMOS2, the fifth resistor R5 and the sixth resistor R6; the drain d of the second field-effect transistor PMOS2 is connected to the output end of the boost control chip U1, the gate g of the second field-effect transistor PMOS2 is connected to the first end of the fifth resistor R5, the second end of the fifth resistor R5 is connected to the voltage converter DCDC, the first end of the sixth resistor R6 is connected to the first end of the fifth resistor R5, the second end of the sixth resistor R6 is grounded, and the source s of the second field-effect transistor PMOS2 is connected to the electronic lock 400.
It should be understood that the first field effect transistor PMOS1 and the second field effect transistor PMOS2 may be MOS transistors of model Si2301CDS-T1-GE3, and may of course be MOS transistors of other specifications, which is not limited in this embodiment; the second resistor R2 and the third resistor R3 may be 100K Ω resistors, the fourth resistor R4 may be 33K Ω resistors, the fifth resistor R5 may be 1K Ω resistors, the sixth resistor R6 may be 100K Ω resistors, and certainly, other specifications of resistors may be adopted, which is not limited in this embodiment; the first transistor Q1 may be a transistor of the MMBT5551 model, or may be a transistor of another type, which is not limited in this embodiment.
In a specific implementation, when a main power supply is connected, the power supply voltage is 5V, the first field effect transistor PMOS1 is turned on, the second field effect transistor PMOS2 is turned off, and the main power output circuit 201 provides an unlocking signal of the electronic lock 400, that is, the power supply voltage is used for unlocking; when the main power supply is turned off, the first fet PMOS1 is not turned on, the second fet PMOS2 is turned on, and the standby power supply output circuit 202 provides an unlocking signal of the electronic lock 400, that is, the standby voltage for unlocking.
Further, the voltage converter DCDC includes: the power supply control circuit comprises a power supply control chip U2, a direct current filter circuit 001, a voltage reduction circuit 002, a feedback circuit 003 and a filtering voltage stabilizing circuit 004; the direct current filter circuit 001 is connected with the main power battery BAT1, the direct current filter circuit 001 is connected with the input end of the power control chip U2, the voltage reduction circuit 002 is connected with the voltage reduction end BST and the conversion end SW of the power control chip U2, the feedback circuit 003 is connected with the voltage feedback end FB of the power control chip U2, and the voltage reduction circuit 002 is connected with the filter voltage stabilizing circuit 004.
It can be understood that the dc filter circuit 001 is configured to filter an input voltage signal of the main power battery BAT1, and output the filtered voltage signal to the power control chip U2, and the power control chip U2 reduces the voltage through the voltage reduction circuit 002 and the feedback circuit 003, and then filters and stabilizes the voltage through the filtering and stabilizing circuit 004, and outputs the voltage to the electronic lock 400, thereby ensuring that the electronic lock 400 is normally opened.
Further, the dc filter circuit 001 includes a fourth capacitor C4 and a fifth capacitor C5; a first end of the fourth capacitor C4 is connected to the main power battery BAT1, a first end of the fourth capacitor C4 is further connected to an input end of the power control chip U2, a first end of the fifth capacitor C5 is connected to the main power battery BAT1, and a second end of the fourth capacitor C4 and a second end of the fifth capacitor C5 are both grounded;
the voltage reduction circuit 002 comprises a sixth capacitor C6, a seventh resistor R7, a seventh capacitor C7, an eighth capacitor C8, a first diode D1 and a second inductor L2; wherein the content of the first and second substances,
a first end of the sixth capacitor C6 is connected with the voltage reduction end of the power control chip U2, a second end of the sixth capacitor C6 is connected with the negative electrode of a first diode D1, and the positive electrode of the first diode D1 is grounded; the cathode of the first diode D1 is further connected to a switching terminal SW of the power control chip U2, the first terminal of the seventh resistor R7 is connected to the switching terminal SW of the power control chip U2, the second terminal of the seventh resistor R7 is connected to the first terminal of the seventh capacitor C7, the second terminal of the seventh capacitor C7 is connected to the first terminal of the eighth capacitor C8, the second terminal of the eighth capacitor C8 is grounded, the first terminal of the eighth capacitor is connected to the voltage feedback terminal FB of the source control chip U2, the first terminal of the eighth capacitor is further connected to the feedback circuit 003, the second terminal of the sixth capacitor C6 is further connected to the first terminal of the second inductor L2, and the second terminal of the second inductor L2 is connected to the filter voltage stabilizing circuit 004;
the feedback circuit 003 comprises an eighth resistor R8, a ninth resistor R9 and a ninth capacitor C9; a first end of the eighth resistor R8 and a first end of the ninth capacitor C9 are both connected to the power switching circuit 200, a second end of the eighth resistor R8 is connected to a first end of the ninth resistor R9, a first end of the ninth resistor R9 is further connected to a voltage feedback end FB of the source control chip U2, a second end of the ninth resistor R9 is grounded, and a second end of the ninth capacitor C9 is connected to a first end of the ninth resistor R9;
the filtering voltage stabilizing circuit 004 comprises a tenth capacitor C10, an eleventh capacitor C11 and a second diode D2; wherein the content of the first and second substances,
a first end of the tenth capacitor C10 is connected to the second end of the second inductor L2, a first end of the tenth capacitor C10 is further connected to the first end of the eleventh capacitor C11 and the cathode of the second diode D2, respectively, and a second end of the tenth capacitor C10, a second end of the eleventh capacitor C11 and the anode of the second diode D2 are all grounded; the first terminal of the tenth capacitor C10 is further connected to the power switching circuit 200.
It should be noted that the power control chip U2 may be a power control chip of a model MP9486AGN, and certainly may also be a power control chip of another model, which is not limited in this embodiment; the fourth capacitor C4 may be a 22uF patch capacitor, the fifth capacitor C5 may be a 100nF patch capacitor, and the sixth capacitor C6 may be a 100nF patch capacitor, or may be another type of capacitor, which is not limited in this embodiment; the seventh resistor R7 may be a resistor with a resistance of 100K Ω, or may also be a resistor with other specifications, which is not limited in this embodiment; the seventh capacitor C7 and the eighth capacitor C8 may be patch capacitors of 100nF, and the seventh resistor R7, the seventh capacitor C7 and the eighth capacitor C8 may form a rectifying circuit for converting ac power into dc power when the main power battery BAT1 is replaced with ac power, in this embodiment, the seventh resistor R7, the seventh capacitor C7 and the eighth capacitor C8 may serve as reserved control items, or may be in other processing manners, which is not limited in this embodiment; the first diode D1 may be a diode of model SS310SMA, or may be a diode of another model, which is not limited in this embodiment; the second inductor may be an inductor of a model SWPA6045S470MT, or may be an inductor of another model, which is not limited in this embodiment; the eighth resistor R8 may be a resistor of 240K Ω, the ninth resistor R9 may be a resistor of 10K Ω, or other specifications of resistors, which is not limited in this embodiment; the ninth capacitor C9 may be a 100nF patch capacitor, or may be other types of capacitors, which is not limited in this embodiment; the tenth capacitor C10 may be a 4.7uF patch capacitor, the eleventh capacitor C11 may be a 100uF patch capacitor, or may be other types of capacitors of other models, which is not limited in this embodiment; the second diode D2 may be a zener diode of model MM1Z6V2, or may be a zener diode of other model, which is not limited in this embodiment.
The utility model discloses an utilize sharing electric bicycle circuit and terminal equipment of unblanking, sharing electric bicycle circuit of unblanking includes: the electronic lock comprises a main power supply circuit, a power supply switching circuit, a standby power supply circuit and an electronic lock; the main power supply circuit is connected with the power supply switching circuit, the standby power supply circuit is connected with the power supply switching circuit, and the power supply switching circuit is connected with the electronic lock; the main power supply circuit outputs a power supply voltage to the power supply switching circuit; when the power supply voltage is lower than a preset voltage, the power supply switching circuit disconnects the main power supply circuit, receives a standby voltage output by the standby power supply circuit, and sends the standby voltage to the electronic lock so as to unlock the electronic lock; the stand-by power supply circuit is in when main power supply circuit breaks off, output stand-by voltage extremely power supply switching circuit has solved the main power supply when not enough, and the unable condition of opening of electronic lock supplies power to electronic lock through stand-by power supply, can accelerate change vehicle battery and change speed, has improved the duration of shared electric motor car, has guaranteed the normal driving of shared electric motor car, has promoted the user and has ridden and experience.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a sharing electric bicycle circuit of unblanking which characterized in that, sharing electric bicycle circuit of unblanking includes: the electronic lock comprises a main power supply circuit, a power supply switching circuit, a standby power supply circuit and an electronic lock; the main power supply circuit is connected with the power supply switching circuit, the standby power supply circuit is connected with the power supply switching circuit, and the power supply switching circuit is connected with the electronic lock; wherein the content of the first and second substances,
the main power supply circuit is used for outputting power supply voltage to the power supply switching circuit;
the standby power supply circuit is used for outputting standby voltage to the power supply switching circuit when the main power supply circuit is disconnected;
and the power supply switching circuit is used for disconnecting the main power supply circuit, receiving the standby voltage output by the standby power supply circuit and sending the standby voltage to the electronic lock when the power supply voltage is lower than a preset voltage, so that the electronic lock is unlocked.
2. The shared electric bicycle unlocking circuit of claim 1, wherein the main power supply circuit comprises: the main power supply battery is connected with the voltage converter, and the voltage converter is connected with the power supply switching circuit; wherein the content of the first and second substances,
the main power supply battery is used for providing a main power supply voltage and outputting the main power supply voltage to the voltage converter;
the voltage converter is used for converting the main power supply voltage into a power supply voltage and outputting the power supply voltage to the power supply switching circuit.
3. The shared electric bicycle unlocking circuit of claim 2, wherein the backup power supply circuit comprises: the standby battery is connected with the booster circuit, and the booster circuit is connected with the power supply switching circuit; wherein the content of the first and second substances,
the backup battery is used for providing backup power supply voltage and outputting the backup power supply voltage to the booster circuit;
and the booster circuit is used for boosting the standby power supply voltage to obtain standby voltage and outputting the standby voltage to the power supply switching circuit.
4. The shared electric bicycle unlocking circuit according to claim 3, wherein the voltage boosting circuit includes: the boost control circuit comprises a boost control chip, a first inductor, a first resistor, a first capacitor, a second capacitor and a third capacitor; wherein the content of the first and second substances,
the standby battery is connected with the input end of the boost control chip, the first end of the first inductor is connected with the input end of the boost control chip, the second end of the first inductor is connected with the conversion end of the boost control chip, the first end of the first resistor is connected with the enabling end of the boost control chip, the second end of the first resistor is grounded, the first end of the first capacitor is grounded with the first end of the second capacitor respectively, the second end of the first capacitor is grounded with the second end of the second capacitor is connected with the standby battery respectively, the first end of the third capacitor is connected with the output end of the boost control chip, the second end of the third capacitor is grounded, and the output end of the boost control chip is connected with the power switching circuit.
5. The shared electric bicycle unlocking circuit according to claim 4, wherein the power switching circuit includes: the main power output circuit is connected with the voltage converter and also connected with the electronic lock; the standby power supply output circuit is connected with the voltage converter, the standby power supply output circuit is also connected with the booster circuit, and the standby power supply output circuit is also connected with the electronic lock; wherein the content of the first and second substances,
the main power supply output circuit is used for sending the power supply voltage to the electronic lock when the power supply voltage is the preset voltage so as to unlock the electronic lock;
and the standby power supply output circuit is used for disconnecting the power supply voltage when the power supply voltage is lower than a preset voltage, and sending the standby voltage to the electronic lock so as to unlock the electronic lock.
6. The shared electric bicycle unlocking circuit according to claim 5, wherein the main power output circuit includes: the first triode is connected with the first resistor and the second resistor; wherein the content of the first and second substances,
the drain electrode of the first field effect transistor is connected with the voltage converter; the grid electrode of the first field effect transistor is connected with the collector electrode of the first triode, the first end of the second resistor is connected with the grid electrode of the first field effect transistor, the second end of the second resistor is connected with the source electrode of the first field effect transistor, and the source electrode of the first field effect transistor is also connected with the electronic lock; the first end of the third resistor is connected with the voltage converter, the second end of the third resistor is connected with the base electrode of the first triode, the second end of the third resistor is further connected with the first end of the fourth resistor, the second end of the fourth resistor is grounded, and the emitting electrode of the first triode is grounded.
7. The shared electric bicycle unlocking circuit according to claim 6, wherein the backup power output circuit includes: the second field effect transistor, the fifth resistor and the sixth resistor; wherein the content of the first and second substances,
the drain electrode of the second field effect transistor is connected with the output end of the boost control chip, the grid electrode of the second field effect transistor is connected with the first end of the fifth resistor, the second end of the fifth resistor is connected with the voltage converter, the first end of the sixth resistor is connected with the first end of the fifth resistor, the second end of the sixth resistor is grounded, and the source electrode of the second field effect transistor is connected with the electronic lock.
8. The shared electric bicycle unlocking circuit of claim 7, wherein the voltage converter comprises: the power supply control chip, the direct current filter circuit, the voltage reduction circuit, the feedback circuit and the filtering and voltage stabilizing circuit; the direct current filter circuit is connected with the main power supply battery, the direct current filter circuit is connected with the input end of the power supply control chip, the voltage reduction circuit is connected with the voltage reduction end and the conversion end of the power supply control chip, the feedback circuit is connected with the voltage feedback end of the power supply control chip, and the voltage reduction circuit is connected with the filtering and voltage stabilizing circuit.
9. The shared electric bicycle unlocking circuit of claim 8, wherein the dc filter circuit includes a fourth capacitor and a fifth capacitor; wherein the content of the first and second substances,
the first end of the fourth capacitor is connected with the main power supply battery, the first end of the fourth capacitor is also connected with the input end of the power supply control chip, the first end of the fifth capacitor is connected with the main power supply battery, and the second end of the fourth capacitor and the second end of the fifth capacitor are both grounded;
the voltage reduction circuit comprises a sixth capacitor, a seventh resistor, a seventh capacitor, an eighth capacitor, a first diode and a second inductor; wherein the content of the first and second substances,
the first end of the sixth capacitor is connected with the voltage reduction end of the power supply control chip, the second end of the sixth capacitor is connected with the cathode of the first diode, and the anode of the first diode is grounded; the negative electrode of the first diode is further connected with a conversion end of the power control chip, a first end of the seventh resistor is connected with a conversion end of the power control chip, a second end of the seventh resistor is connected with a first end of the seventh capacitor, a second end of the seventh capacitor is connected with a first end of an eighth capacitor, a second end of the eighth capacitor is grounded, a first end of the eighth capacitor is connected with a voltage feedback end of the source control chip, a first end of the eighth capacitor is further connected with the feedback circuit, a second end of the sixth capacitor is further connected with a first end of the second inductor, and a second end of the second inductor is connected with the filtering and voltage stabilizing circuit;
the feedback circuit comprises an eighth resistor, a ninth resistor and a ninth capacitor; the first end of the eighth resistor and the first end of the ninth capacitor are both connected with the power supply switching circuit, the second end of the eighth resistor is connected with the first end of the ninth resistor, the first end of the ninth resistor is also connected with the voltage feedback end of the source control chip, the second end of the ninth resistor is grounded, and the second end of the ninth capacitor is connected with the first end of the ninth resistor;
the filtering voltage stabilizing circuit comprises a tenth capacitor, an eleventh capacitor and a second diode; wherein the content of the first and second substances,
a first end of the tenth capacitor is connected with a second end of the second inductor, the first end of the tenth capacitor is also connected with a first end of the eleventh capacitor and a cathode of the second diode respectively, and the second end of the tenth capacitor, the second end of the eleventh capacitor and an anode of the second diode are all grounded; and the first end of the tenth capacitor is also connected with the power supply switching circuit.
10. A terminal device, characterized in that the terminal device comprises the shared electric bicycle unlocking circuit according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921005213.8U CN209842729U (en) | 2019-06-28 | 2019-06-28 | Shared electric bicycle unlocking circuit and terminal equipment |
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| CN201921005213.8U CN209842729U (en) | 2019-06-28 | 2019-06-28 | Shared electric bicycle unlocking circuit and terminal equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823951A (en) * | 2020-06-29 | 2020-10-27 | 永安行科技股份有限公司 | Power battery system of moped and continuous energy supply control method |
| CN112130655A (en) * | 2020-08-28 | 2020-12-25 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN112184969A (en) * | 2020-11-27 | 2021-01-05 | 山东艾琳智能科技有限公司 | Control system of power supply for intelligent lock |
-
2019
- 2019-06-28 CN CN201921005213.8U patent/CN209842729U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823951A (en) * | 2020-06-29 | 2020-10-27 | 永安行科技股份有限公司 | Power battery system of moped and continuous energy supply control method |
| CN112130655A (en) * | 2020-08-28 | 2020-12-25 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN112130655B (en) * | 2020-08-28 | 2022-06-10 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN112184969A (en) * | 2020-11-27 | 2021-01-05 | 山东艾琳智能科技有限公司 | Control system of power supply for intelligent lock |
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