CN211478928U - Power control circuit and robot - Google Patents
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- CN211478928U CN211478928U CN202020453454.5U CN202020453454U CN211478928U CN 211478928 U CN211478928 U CN 211478928U CN 202020453454 U CN202020453454 U CN 202020453454U CN 211478928 U CN211478928 U CN 211478928U
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Abstract
A power control circuit and a robot output a test signal to a reset control circuit every a predetermined time through a main control circuit and output a reset enable signal when receiving a reset request signal. The reset control circuit outputs a reset control signal when receiving a reset enable signal or not receiving a test signal within a preset time. The switching circuit outputs an interrupt signal to the output circuit when receiving the reset control signal, and the output circuit stops outputting a power supply signal at the moment to control the power-consuming assembly to be powered off; otherwise, transmitting the power supply signal to the power utilization assembly. According to the power supply control circuit and the robot, when the reset control circuit monitors that the test signal is not received within the preset time, the main control circuit is judged to have the abnormality of software jamming or program running, so that the reset control signal is output, the robot is powered down, manual monitoring is not needed, the power key is manually pressed to power up and power down, the operation timeliness is high, and the efficiency is high.
Description
Technical Field
The application belongs to the technical field of robot control, and particularly relates to a power supply control circuit and a robot.
Background
With the development of society and the progress of times, the artificial intelligence technology approaches thousands of households, and intelligent high-end robots are derived. Today, the robot technology is rapidly developed, the degree of intelligence of the robot is higher and higher, and application scenes are more, more and more complex and various. At present, when the robot is jammed in software, a program runs off and the like in the working process, the traditional solution is to power off by manually pressing a power key of the robot, and then power on by manually pressing the power key. However, the method depends on manual operation, power supply and power off are difficult to perform in time, the hysteresis is strong, and the working efficiency of the robot is affected.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a power control circuit and a robot, the problem that the robot work efficiency is influenced because the robot is difficult to control to power up and power down in time that leads to because relying on the manual work exists in the technical scheme that the traditional manual control robot powers up and power down is solved, and the hysteresis is strong.
A power control circuit connected to a power consuming component of a robot, the power control circuit comprising:
the main control circuit is configured to output a test signal every preset time and output a reset enable signal when receiving a reset request signal;
the reset control circuit is connected with the main control circuit and is configured to receive the test signal and output a reset control signal when the reset enable signal is received or the test signal is not received within the preset time;
the switch circuit and the reset control circuit are configured to be conducted when receiving the reset control signal and output an interrupt signal; and
and the output circuit is connected with the electric component and the switch circuit, is configured to transmit the received power supply signal to the electric component when being conducted, and is disconnected when receiving the interrupt signal so as to power down the electric component.
A second aspect of embodiments of the present application provides a robot, including:
the power supply control circuit described above; and
and the power utilization component is connected with the power supply control circuit and is configured to work when receiving the power supply signal.
Compared with the prior art, the embodiment of the utility model beneficial effect who exists is: according to the power supply control circuit and the robot, when the reset control circuit monitors that the test signal is not received within the preset time, the main control circuit is judged to have the abnormity of software jamming or program running, so that the reset control signal is output, and the power-off of the robot is realized; in addition, when the main control circuit works normally and the robot needs to be reset, the main control circuit outputs a reset enabling signal to the reset control circuit, so that the reset control circuit controls the rear end to be powered off. Therefore, the power key is not needed to be manually monitored and manually pressed to power on and off, the operation timeliness is high, and the efficiency is high.
Drawings
Fig. 1 is a schematic block diagram of a power control circuit according to an embodiment of the present disclosure;
fig. 2 is a schematic block diagram of a power control circuit according to another embodiment of the present disclosure;
FIG. 3 is an exemplary circuit schematic of an output circuit in the power control circuit shown in FIG. 1 or 2;
FIG. 4 is an exemplary circuit schematic of a switching circuit and another exemplary circuit schematic of an output circuit of the power control circuit shown in FIG. 1 or 2;
fig. 5 is a schematic block diagram of a robot according to still another embodiment of the present disclosure.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, a schematic block diagram of a power control circuit 100 according to an embodiment of the present disclosure is shown, for convenience of description, only the relevant portions of the embodiment are shown, and the following details are described:
a power control circuit 100 is connected to a power consumption module 200 of a robot, and includes a main control circuit 10, a reset control circuit 20, a switch circuit 30, and an output circuit 40.
The main control circuit 10 is connected to the reset control circuit 20, the reset control circuit 20 is connected to the switch circuit 30, the switch circuit 30 is connected to the output circuit 40, and the output circuit 40 is connected to the power consumption module 200.
The main control circuit 10 is configured to output a test signal every preset time and output a reset enable signal when receiving a reset request signal.
Specifically, when the software is jammed or the program runs out of other functional components in the robot, the main control circuit 10 is notified in the form of a reset request signal, and the main control circuit 10 outputs a reset enable signal to the reset control circuit 20. When the main control circuit 10 works normally, a test signal is output to the reset control circuit 20 every preset time; when the main control circuit 10 itself is jammed in software or a program runs off, the test signal cannot be output at preset time intervals.
The duration of the preset time can be set according to practical situations, for example, the main control circuit 10 can be set to output a test signal to the reset control circuit 20 every 20 ms.
The reset control circuit 20 is configured to receive a test signal and output a reset control signal when a reset enable signal is received or the test signal is not received within a preset time.
Specifically, there are two ways to trigger the reset control circuit 20 to output the reset control signal, the first way is to output the reset control signal when receiving the reset enable signal; the second is to output a reset control signal when the test signal is not received within a preset time. The first mode is that when the main control circuit 10 monitors that other functional parts of the robot are blocked by software or a program runs off, the main control circuit starts a reset action; the second way is that the reset control circuit 20 performs a reset starting action when monitoring that the main control circuit 10 is jammed in software or a program is run away.
The preset time may be set according to actual conditions, for example, the reset control signal may be output when the test signal is not received for 20 ms.
The reset control signal output by the reset control circuit 20 only lasts for a target duration, which can be set according to actual conditions, for example, the reset control signal can last for 3ms each time the reset control circuit 20 outputs the reset control signal; after 3ms, the reset control circuit 20 does not output the next reset control signal any more, so after one power-off, the power-on is performed again by default; the reset control circuit 20 does not output a reset control signal again until the next software jam or program runaway occurs.
Optionally, the main control circuit 10 and the reset control circuit 20 are both implemented by a single chip. In other alternative embodiments, the main control circuit 10 and the reset control circuit 20 may also be implemented by a central controller.
The switch circuit 30 is configured to be turned on upon receiving the reset control signal, and outputs an interrupt signal.
Specifically, when the robot is operating normally, the switch circuit 30 is in an off state. When the reset is needed, the switch circuit 30 is turned on and outputs the interrupt signal to turn off the output circuit 40, and the power-consuming module 200 is powered down after the power is temporarily lost.
When the power key 60 of the robot is pressed, the output circuit 40 is turned on to transmit the power supply signal to the electric component 200, and is turned off when receiving the interrupt signal to stop outputting the power supply signal to control the electric component 200 to be powered down.
Specifically, the output circuit 40 is connected to the power supply signal, but when the switch circuit 30 is turned on, the switch circuit 30 outputs the interrupt signal to turn off the output circuit 40; the power consuming assembly 200 is briefly powered down to effect a reset.
Referring to fig. 2, a schematic block diagram of a power control circuit 100 according to another embodiment of the present disclosure is shown, for convenience of description, only the relevant portions of the present embodiment are shown, and the following details are described:
in an alternative embodiment, the power control circuit 100 further includes a power supply circuit 50.
The power supply circuit 50 is connected to the switch circuit 30 and the output circuit 40, and is configured to output the power supply signal VABT to the output circuit 40 or the switch circuit 30.
Specifically, the power supply circuit 50 outputs the power supply signal VABT to be transmitted to the power consuming component 200 via the output circuit 40; however, when the switch circuit 30 is turned on, the switch circuit 30 outputs the interrupt signal to turn off the output circuit 40, so that the electric component 200 is powered down briefly.
Optionally, the power supply signal VABT is a 24V dc signal.
In an alternative embodiment, the power control circuit 100 further includes a power key 60. The power key 60 is connected to the switch circuit 30 and is configured to control the power control circuit 100 to start when pressed. The power key 60 is pressed by the user.
Referring to fig. 3, an exemplary schematic circuit diagram of the switch circuit 30 and the output circuit 40 in the power control circuit 100 shown in fig. 1 or 2 is shown, and for convenience of description, only the parts related to the present embodiment are shown, and detailed descriptions are as follows:
in an alternative embodiment, the switch circuit 30 includes a first switch Q1, a second switch Q2, a first resistor R1, a second resistor R2, and a third resistor R3. The accompanying drawings and the corresponding modifications in the following description,
wherein, the node of the first end of the first resistor R1 and the first end of the second resistor R2 which are connected together is connected with the reset control circuit 20; the end of the first resistor R1 is grounded, and the second end of the second resistor R2 is connected with the controlled end of the first switch tube Q1; the output end of the first switching tube Q1 is grounded; the input end of the first switch tube Q1, the first end of the third resistor R3 and the controlled end of the second switch tube Q2 are connected in common, and the node of the second end of the third resistor R3 and the input end of the second switch tube Q2 which are connected in common is connected with the power supply signal VABT; the output end of the second switching tube Q2 is connected to the consumer 200.
Specifically, the first switching transistor Q1 is implemented by an NPN transistor. The base electrode, the collector electrode and the emitter electrode of the NPN triode are respectively used as the controlled end, the input end and the output end of the first switching tube Q1. The second switching tube Q2 is realized by a PMOS tube; the gate, the source and the drain of the PMOS transistor are respectively used as the controlled terminal, the input terminal and the output terminal of the second switch transistor Q2.
Specifically, the first resistor R1 is a pull-down resistor; the second resistor R2 is a base current limiting resistor of the first switch Q1, and is used for limiting the current flowing through the base of the NPN transistor, so as to protect the NPN transistor from being damaged.
The reset control signal is a high level signal, and when the base of the NPN transistor receives the high level signal, the NPN transistor is turned on, so that the power supply signal VABT is transmitted to the NPN transistor via the third resistor R3. Specifically, the high level signal only lasts for a certain time period, for example, 3ms, and then the reset control circuit 20 does not output the next high level signal any more, so after a power-off, the power-on is resumed by default; the reset control circuit 20 does not output a high level signal again until the next time a software jam occurs or a program is run away.
On the other hand, the PMOS transistor is turned on, and the power supply signal VABT flows from the source to the drain of the PMOS transistor, and finally, a signal, that is, an interrupt signal, is output from the drain to the output circuit 40.
In an alternative embodiment, the output circuit 40 includes a capacitor C1, at least one switch tube and at least two resistors, the switch tube is represented by Qm1, one of the resistors is represented by Rm1, and the other resistor is represented by Rm2 in fig. 3.
The capacitor C1 is connected in parallel with the resistor Rm1 to form the filter circuit 410, the input end of the filter circuit 410 is connected to the power supply signal VBAT, and the output end of the filter circuit 410 is connected to the switch circuit 30. The input end of the switch tube Qm1 is connected with the input end of the filter circuit 410, and the output end of the switch tube Qm1 is connected with the electric component 200; the resistor Rm2 is connected between the controlled end of the switch tube Qm1 and the switch circuit.
Specifically, when the switching circuit 30 is turned on, an interrupt signal is output from the drain of the PMOS transistor, and the signal is transmitted to the controlled terminal of the switching transistor Qm1 via Rm2, so that the switching transistors Qm1 all satisfy the cut-off condition, the switching transistor Qm1 is turned off, and the power consumption component 200 is powered down.
Referring to fig. 4, a schematic diagram of an exemplary circuit of a switch circuit and another exemplary circuit of an output circuit in the power control circuit shown in fig. 1 or 2 are shown;
in an alternative embodiment, the output circuit 40 includes a capacitor C1, four switching tubes, and five resistors. The four switching tubes are respectively a third switching tube Q3, a fourth switching tube Q4, a fifth switching tube Q5 and a sixth switching tube Q6; the five resistors are a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7 and an eighth resistor R8.
The capacitor C1 is connected in parallel with the fourth resistor R4 to form the filter circuit 41, the input end of the filter circuit 41 is connected to the power supply signal VBAT, and the output end of the filter circuit 41 is connected to the switch circuit 30.
The input end of the third switching tube Q3, the input end of the fourth switching tube Q4, the input end of the fifth switching tube Q5 and the input end of the sixth switching tube Q6 are all connected with the input end of the filter circuit 41; the output end of the third switching tube Q3, the output end of the fourth switching tube Q4, the output end of the fifth switching tube Q5 and the output end of the sixth switching tube Q6 are all connected with the electric component 200.
The fifth resistor R5 is connected between the controlled terminal of the third switching tube Q3 and the switching circuit 30; the sixth resistor R6 is connected between the controlled end of the fourth switching tube Q4 and the switching circuit 30; the seventh resistor R7 is connected between the controlled end of the fifth switch tube Q5 and the switch circuit 30; the eighth resistor R8 is connected between the controlled terminal of the sixth switching tube Q6 and the switching circuit 30.
Specifically, the third switching tube Q3 and the fifth resistor R5 form a first shunt circuit 42, the fourth switching tube Q4 and the sixth resistor R6 form a second shunt circuit 43, the fifth switching tube Q5 and the seventh resistor R7 form a third shunt circuit 44, and the sixth switching tube Q6 and the eighth resistor R8 form a fourth shunt circuit 45. A plurality of shunt circuits are arranged to shunt the power supply signal VBAT, and the safety when the current is large is guaranteed.
A power supply signal VABT is connected to a node where a first end of the capacitor C1, a first end of the fourth resistor R4, an input end of the third switching tube Q3, an input end of the fourth switching tube Q4, an input end of the fifth switching tube Q5, and an input end of the sixth switching tube Q6 are connected in common.
The switch circuit 30 is connected to a node where the second end of the capacitor C1, the second end of the fourth resistor R4, the first end of the fifth resistor R5, the first end of the sixth resistor R6, the first end of the seventh resistor R7 and the first end of the eighth resistor R8 are connected in common. Specifically, the node is connected to the output terminal of the second switch Q2 in the switch circuit 30, that is, the drain of the PMOS transistor.
A second end of the fifth resistor R5, a second end of the sixth resistor R6, a second end of the seventh resistor R7 and a second end of the eighth resistor R8 are respectively connected to a controlled end of the third switching tube Q3, a controlled end of the fourth switching tube Q4, a controlled end of the fifth switching tube Q5 and a controlled end of the sixth switching tube Q6; the node at which the output end of the third switching tube Q3, the output end of the fourth switching tube Q4, the output end of the fifth switching tube Q5 and the output end of the sixth switching tube Q6 are connected is connected with the electric component 200.
Specifically, when the switch circuit 30 is turned on, an interrupt signal is output from the drain of the PMOS transistor, and the signal is transmitted to the controlled terminal of the third switch transistor Q3, the controlled terminal of the fourth switch transistor Q4, the controlled terminal of the fifth switch transistor Q5, and the controlled terminal of the sixth switch transistor Q6 through the fifth resistor R5, the sixth resistor R6, the seventh resistor R7, and the eighth resistor R8, so that the third switch transistor Q3, the fourth switch transistor Q4, the fifth switch transistor Q5, and the sixth switch transistor Q6 all satisfy the off condition, the third switch transistor Q3, the fourth switch transistor Q4, the fifth switch transistor Q5, and the sixth switch transistor Q6 are turned off, and the power-using component 200 is powered down.
The fifth resistor R5, the sixth resistor R6, the seventh resistor R7 and the eighth resistor R8 are gate current limiting resistors of the third switching tube Q3, the fourth switching tube Q4, the fifth switching tube Q5 and the sixth switching tube Q6, respectively. The capacitor C1 and the fourth resistor R4 form a filter circuit, and when the output circuit 40 operates, the filter circuit filters the power supply signal VABT and outputs the filtered power supply signal VABT to the third switching tube Q3, the fourth switching tube Q4, the fifth switching tube Q5 and the sixth switching tube Q6.
In an alternative embodiment, the power control circuit further comprises a power key 60. The power key 60 is connected to the switch circuit 30 and is configured to control the power control circuit 100 to start when pressed. The power key 60 is pressed by the user.
Optionally, the power key 60 is connected to the switch circuit 30 through a resistor R9 and an interface J1, specifically, the interface J1 of the power key 60 is connected, and then is connected to the drain of the PMOS transistor in the switch circuit 30 through a resistor R9.
Referring to fig. 5, a schematic block diagram of a robot according to still another embodiment of the present disclosure is shown, for convenience of description, only the parts related to the embodiment are shown, and the details are as follows:
a robot comprises the power supply control circuit 100 and the power utilization assembly 200.
The power key 60 is configured to be pressed by a user to activate the power control circuit 100, and the power consuming component 200 is configured to operate according to a control command input by the user.
Specifically, after the power key 60 is pressed, the power supply circuit 50 starts to output the power supply signal VABT, and when the software is not jammed or the program is not run away, the power supply signal VABT is output to the power consumption component 200 by the output circuit 40; when the software is jammed or the program is run away, the power is turned off, and the power is turned on again by default after the power is turned off.
In this embodiment, the power key 60 does not need to be operated in the power-up and power-down processes of the power consumption assembly 200, and the power key 60 is always in a pressed state.
In summary, the present application provides a power control circuit, a method and a robot, when a reset control circuit monitors that a test signal is not received within a preset time, it is determined that there is an abnormality of software jamming or program running-off in a main control circuit at this time, so that a reset control signal is output to power off the robot; in addition, when the main control circuit works normally and the robot needs to be reset, the main control circuit outputs a reset enabling signal to the reset control circuit, so that the reset control circuit controls the rear end to be powered off. Therefore, the power key is not needed to be manually monitored and manually pressed to power on and off, the operation timeliness is high, and the efficiency is high.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A power control circuit connected to an electric component of a robot, the power control circuit comprising:
the main control circuit is configured to output a test signal every preset time and output a reset enable signal when receiving a reset request signal;
the reset control circuit is connected with the main control circuit and is configured to receive the test signal and output a reset control signal when the reset enable signal is received or the test signal is not received within the preset time;
the switch circuit and the reset control circuit are configured to be conducted when receiving the reset control signal and output an interrupt signal; and
and the output circuit is connected with the electric component and the switch circuit, is configured to transmit the received power supply signal to the electric component when being conducted, and is disconnected when receiving the interrupt signal so as to power down the electric component.
2. The power control circuit of claim 1, further comprising:
a power supply circuit connected to the switching circuit and the output circuit and configured to output the power supply signal to the output circuit or the switching circuit.
3. The power supply control circuit of claim 1, wherein the switching circuit comprises:
the circuit comprises a first switch tube, a second switch tube, a first resistor, a second resistor and a third resistor;
a node of the first end of the first resistor and the first end of the second resistor is connected with the reset control circuit; the end of the first resistor is grounded, and the second end of the second resistor is connected with the controlled end of the first switching tube; the output end of the first switching tube is grounded; the input end of the first switch tube, the first end of the third resistor and the controlled end of the second switch tube are connected in common, and a node where the second end of the third resistor and the input end of the second switch tube are connected in common is connected with the power supply signal; the output end of the second switch tube is connected with the electric component.
4. The power control circuit of claim 1, wherein the output circuit comprises:
the circuit comprises a capacitor, at least one switching tube and at least two resistors;
the capacitor is connected with one of the resistors in parallel to form a filter circuit, the input end of the filter circuit is connected with the power supply signal, and the output end of the filter circuit is connected with the switch circuit; the input end of the switch tube is connected with the input end of the filter circuit, and the output end of the switch tube is connected with the power utilization assembly; and the other resistor is connected between the controlled end of the switching tube and the switching circuit.
5. The power control circuit of claim 4, wherein the output circuit comprises:
the capacitor, four switch tubes and five resistors;
the four switching tubes are respectively a third switching tube, a fourth switching tube, a fifth switching tube and a sixth switching tube, and the five resistors are respectively a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and an eighth resistor;
the capacitor is connected with the fourth resistor in parallel to form the filter circuit, the input end of the filter circuit is connected with the power supply signal, and the output end of the filter circuit is connected with the switch circuit;
the input end of the third switching tube, the input end of the fourth switching tube, the input end of the fifth switching tube and the input end of the sixth switching tube are all connected with the input end of the filter circuit; the output end of the third switching tube, the output end of the fourth switching tube, the output end of the fifth switching tube and the output end of the sixth switching tube are connected with the power utilization assembly;
the fifth resistor is connected between the controlled end of the third switching tube and the switching circuit; the sixth resistor is connected between the controlled end of the fourth switching tube and the switching circuit; the seventh resistor is connected between the controlled end of the fifth switching tube and the switching circuit; the eighth resistor is connected between the controlled end of the sixth switching tube and the switching circuit.
6. The power control circuit of claim 3, wherein the first switch transistor is an NPN transistor;
and the base electrode, the collector electrode and the emitter electrode of the NPN triode are respectively used as the controlled end, the input end and the output end of the first switching tube.
7. The power control circuit of claim 3, wherein the second switch transistor is implemented by a PMOS transistor;
and the grid electrode, the source electrode and the drain electrode of the PMOS tube are respectively used as the controlled end, the input end and the output end of the second switch tube.
8. The power control circuit of claim 1, wherein the main control circuit and the reset control circuit are implemented by a single chip microcomputer.
9. The power control circuit of claim 1, further comprising:
a power key connected with the switch circuit and configured to control the power control circuit to start when pressed.
10. A robot, comprising:
the power supply control circuit of any one of claims 1 to 9; and
and the power utilization component is connected with the power supply control circuit and is configured to work when receiving the power supply signal.
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| CN202020453454.5U CN211478928U (en) | 2020-03-31 | 2020-03-31 | Power control circuit and robot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467283A (en) * | 2020-03-31 | 2021-10-01 | 深圳市优必选科技股份有限公司 | Power control circuit and robot |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467283A (en) * | 2020-03-31 | 2021-10-01 | 深圳市优必选科技股份有限公司 | Power control circuit and robot |
| CN113467283B (en) * | 2020-03-31 | 2023-01-06 | 深圳市优必选科技股份有限公司 | Power control circuit and robot |
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