CN213990630U - Time-delay power-off system and unmanned equipment - Google Patents
Time-delay power-off system and unmanned equipment Download PDFInfo
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- CN213990630U CN213990630U CN202023309759.8U CN202023309759U CN213990630U CN 213990630 U CN213990630 U CN 213990630U CN 202023309759 U CN202023309759 U CN 202023309759U CN 213990630 U CN213990630 U CN 213990630U
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Abstract
The embodiment of the utility model discloses a time delay outage system and unmanned aerial vehicle, first execution equipment passes through electronic switch and is connected with the power in the time delay outage system, and second execution equipment is connected with the power, and the scram switch is connected with electronic switch, and the control electronic switch is cut off when the scram switch is in appointed state; the controller is connected with the emergency stop switch, the second execution device and the power supply, and outputs a shutdown signal to the second execution device when detecting that the emergency stop switch is in a specified state and outputs the shutdown signal to the power supply after a delay time length. On one hand, when the emergency stop switch is pressed down and in a designated state, the electronic switch is controlled to be cut off so that the first execution equipment is powered off immediately, the first execution equipment can be in emergency stop to avoid accidents, on the other hand, the controller outputs a power-off signal to control the power supply to be powered off after the time delay is long, the power-off and power-off faults of the second execution equipment are avoided, and the operation safety of the second execution equipment is ensured.
Description
Technical Field
The embodiment of the utility model provides a relate to mains operated technical field, especially relate to a time delay outage system and unmanned aerial vehicle.
Background
The unmanned vehicle can be applied to the field of agricultural plant protection, and can spray medicament, broadcast seeds, fertilizer and the like after various operation equipment is hung on the unmanned vehicle.
Electric energy is applied to an unmanned vehicle as clean energy, such as by driving the unmanned vehicle with a battery capable of storing electric energy. At present, on unmanned car, in order to prevent that can in time the bring to rest when unexpected in unmanned car operation process, be provided with emergency stop switch on unmanned car usually, when the emergence accident, if there is the zanjon in front of unmanned car or when having the barrier, break off the output of battery through pressing emergency stop switch, make all consumer outage on the unmanned car, unmanned car emergency stop and avoid unexpected the emergence, however, break off the power supply of all consumer behind the emergency stop switch, the consumer that leads to the part to need the time delay outage can't in time carry out the save data, operation such as reset, cause the consumer that needs the time delay outage to break down the trouble at once.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: the utility model provides a time delay outage system, unmanned equipment and time delay outage method to solve the problem that the power consumption equipment that needs the time delay outage breaks down because scram switch triggers the battery to stop outputting.
To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, a delayed power outage system is provided, including:
a power source;
the first execution equipment is connected with the power supply through an electronic switch, and the first execution equipment is electric equipment which does not need to be powered off in a delayed mode;
the second execution equipment is connected with the power supply, and the second execution equipment is electric equipment needing delayed power-off;
the emergency stop switch is connected with the electronic switch and controls the electronic switch to be cut off when the emergency stop switch is in a specified state;
the controller is connected with the emergency stop switch, the second execution device and the power supply, and is used for outputting a shutdown signal to the second execution device when the emergency stop switch is detected to be in the specified state and outputting the shutdown signal to the power supply after a preset delay time;
the power supply is used for supplying power to the first execution device and the second execution device and shutting down when a shutdown signal is input.
Optionally, the electronic switch is an MOS transistor, a base of the MOS transistor is connected to the emergency stop switch, a collector of the MOS transistor is connected to the power supply, and an emitter of the MOS transistor is connected to the first execution device.
Optionally, the MOS transistor is an NMOS transistor, the emergency stop switch is in a pressed state in the designated state, when the emergency stop switch is pressed, a common end of the emergency stop switch connected to the base of the NMOS transistor is connected to ground, and the NMOS transistor is turned off.
Optionally, the controller is provided with a detection pin, and a common end of the emergency stop switch connected with the base of the NMOS tube is connected with the detection pin.
Optionally, the power source is a rechargeable battery.
Optionally, the power supply is communicatively connected to the controller, the second execution device, and the first execution device via a bus.
Optionally, the bus is a CAN bus.
In a second aspect, an unmanned device is provided, and the unmanned device comprises the delayed power-off system of any one of the first aspect.
Optionally, the unmanned device is an unmanned vehicle.
Optionally, the first execution device in the delayed power outage system is a chassis module of the unmanned vehicle.
The utility model discloses time delay outage system, the first executive device that does not need the time delay outage passes through electronic switch and is connected with the power, the second executive device that needs the time delay outage is connected with the power, emergency stop switch is connected with electronic switch, emergency stop switch controls electronic switch when the assigned state and ends, the controller and emergency stop switch, a power supply, second executive device is connected, the controller is when detecting emergency stop switch and being in the assigned state, to second executive device output shutdown signal, and after long to power output shutdown signal when predetermineeing the time delay. On one hand, when the emergency stop switch is pressed in a designated state, the electronic switch is controlled to be cut off so that the first execution equipment is immediately powered off, the first execution equipment can be powered off and suddenly stopped to avoid accidents, on the other hand, the controller can trigger the second execution equipment needing delayed power-off to execute shutdown operation by outputting a shutdown signal when the emergency stop switch is pressed, and the shutdown signal is output after the delayed time to control the power supply to be shut down, so that the second execution equipment can execute shutdown operations such as data storage and reset before shutdown in the delayed time, namely the second execution equipment can be delayed to be shut down after the emergency stop switch is pressed, the second execution equipment is prevented from being powered off and being in failure, and the running safety of the second execution equipment is ensured.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a block diagram of a delayed power-off system according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a power-off delay system according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a block diagram of a delayed power-off system according to an embodiment of the present invention, as shown in fig. 1, the delayed power-off system according to an embodiment of the present invention includes a power supply 10, a first execution device 20, an electronic switch 30, a second execution device 40, an emergency stop switch 50, and a controller 60.
The embodiment of the utility model provides an in, power 10 can be intelligent power, for example can be intelligent battery, if can be intelligent lithium cell, lead accumulator etc. power 10 can realize automatic start and shutdown, can control the power 10 switch or shut down to power 10 through input start or shutdown signal promptly.
The first execution device 20 may be an electric device that does not need to be powered off in a delayed manner, and it should be noted that the unmanned device refers to a device that can automatically operate without human operation, and may be, for example, an unmanned vehicle, an unmanned ship, a robot, or the like, and the unmanned device may not need human operation, however, in case of an emergency, the monitoring personnel can press the emergency stop switch on the unmanned vehicle, for convenience of description, the embodiment of the present invention takes the unmanned vehicle as an example, the first execution device 20 can be a chassis module for driving the unmanned vehicle to move, the chassis module can comprise a motor and a control module for controlling the motor, the chassis module is powered off immediately when power needs to be cut off so that the unmanned vehicle stops moving when power is cut off, to avoid accidents, the first execution device 20 may be another power-off emergency stop device on the unmanned vehicle.
The second executing device 40 may be an electric device that needs to be powered off in a delayed manner, for example, the second executing device 40 may be an electronic component that needs to store data, backup data, or reset before various processors, memories, and the like on the unmanned vehicle are powered off, and the second executing device 40 may also be a device that needs to perform a protection action before the power off, such as a valve of a spraying apparatus needs to be closed before the power off.
In practical application, the technical personnel in the field can be according to actual need with the consumer on the unmanned vehicle divide into the first executive device that does not need the time delay outage and the second executive device that needs the time delay outage, the embodiment of the utility model provides a do not put the restriction to first executive device and second executive device, do not put the restriction to the quantity of first executive device and second executive device either.
The electronic switch 30 may be a switch that controls the electronic switch 30 to be turned on or off through a control terminal, alternatively, the electronic switch 30 may be a transistor, a MOS transistor, a relay, or the like, and preferably, the electronic switch 30 may be a MOS transistor. The MOS tube is not attracted by a mechanical contact relative to a mechanical switch such as a relay, so that the phenomena of sparking, electric arc, electromagnetic interference and the like generated at the moment of conducting the electronic switch 30 are avoided.
The scram switch 50 may be a mechanical button or a mechanical key, and when the scram switch 50 is pressed, the state in which the scram switch 50 is pressed is a designated state.
The embodiment of the utility model provides an in, first execution equipment 20 can be connected with power 10 through electronic switch 30, second execution equipment 40 is connected with power 10, scram switch 50 is connected with electronic switch 30, controller 60 and scram switch 50, second execution equipment 40 and power 10 communication connection, controller 60 is when detecting scram switch 50 and being in the assigned state, to second execution equipment 40 output shutdown signal, and after long after predetermineeing the time delay, power 10 output shutdown signal is carried out to power 10, make second execution equipment 40 carry out shutdown operation when receiving shutdown signal, power 10 shuts down in order to stop output current when the input shutdown signal.
Referring to fig. 2, the delayed power-off system according to an embodiment of the present invention is illustrated, as shown in fig. 2, the electronic switch 30 is a MOS transistor, preferably an NMOS transistor, a base of the NMOS transistor is connected to the emergency stop switch 50 and has a common terminal a, a collector of the NMOS transistor is connected to the power source 10, and an emitter of the NMOS transistor is connected to the first actuator 20. The designated state of the emergency stop switch 50 is that the emergency stop switch 50 is pressed, when the emergency stop switch 50 is pressed, the common end a of the emergency stop switch 50 connected with the base of the NMOS transistor is connected to the ground, the NMOS transistor is turned off, in addition, the controller 60 is provided with a detection pin, and the common end a of the emergency stop switch 50 connected with the NMOS transistor is connected with the detection pin of the controller 60. The power supply 60 is a rechargeable smart battery that is connected to the controller 60, the second execution device 40, and the first execution device 20 via a CAN bus. The principle of the delayed power-off system of the above example is as follows:
as shown in fig. 2, the output end of the power supply 10 is divided into two output paths, one output path is connected to the first execution device 20 that does not need to be powered off with time delay through an NMOS transistor, and the other output path is connected to the second execution device 40 that needs to be powered off with time delay, wherein the base of the NMOS transistor is connected to the emergency stop switch 50 and forms a common terminal a, the detection pin of the controller 60 is connected to the common terminal a, when the emergency stop switch 50 is pressed down, the potential of the common terminal a is pulled down to the ground, so that the base of the NMOS transistor is at a low level, the NMOS transistor is turned off, the power supply 10 cannot supply power to the first execution device 20, the first execution device 20 stops operating, that is, the first execution device 20 is powered off and stops operating immediately when the emergency stop switch 50 is pressed down, exemplarily, the first execution device 20 is a chassis module of an unmanned vehicle, so that the emergency stop operating when the emergency stop switch 50 is pressed down, and the chassis module of the unmanned vehicle stops operating, the unmanned vehicle can be prevented from colliding with obstacles, crops and the like when being suddenly stopped.
Meanwhile, a detection pin of the controller 60 connected to the emergency stop switch 50 is at a low level when the emergency stop switch 50 is pressed, the controller 60 detects that the emergency stop switch 50 is pressed by the detection pin connected to the common terminal a being at the low level, the controller 60 outputs a shutdown signal to the second execution device 40 through the CAN bus to trigger the second execution device 40 to shut down, the second execution device 40 performs shutdown operations such as data saving and resetting, exemplarily, an internal circuit of the controller 60 outputs a high level signal as the shutdown signal to the second execution device 40 when the detection pin is at the low level, for example, a voltage comparator is provided inside the controller 60, and when the detection pin is a high level signal, the voltage comparator outputs a low level signal to the second execution device 40, the second execution device 40 does not perform the shutdown operation, and when the detection pin is a low level signal, the high level signal is output to the second execution device 40, second performing device 40 carries out the shutdown operation after inputing this high level signal, of course, controller 60 is inside can also set up other circuits and realize the output of high low level in order to trigger second performing device 40 and carry out the shutdown operation, the embodiment of the utility model provides a circuit to the inside output shutdown signal of controller 60 does not put the restriction.
In addition, the controller 60 outputs a shutdown signal to the power supply 10 through the CAN bus after a preset delay time is elapsed, in an example, a timer is disposed on the controller 60, the timer is started when the level of the detection pin is pulled down to the ground, the timer performs timing, and outputs a high level signal as the shutdown signal to the power supply 10 when the timing time is equal to the preset delay time, and the power supply 10 stops outputting current to the outside after inputting the shutdown signal, so that all the electric devices on the unmanned vehicle are powered off and shutdown. Except the timer, the controller is inside can also be provided with energy storage capacitor and realize the time delay, detects emergency stop switch 50 when being pressed when controller 60's detection pin, and energy storage capacitor begins to discharge, and the capacitor discharges after the link of controller 60 and power 10 is the low level, and this low level triggers power 10 shutdown as shutdown signal input power 10, and of course, controller 60 is inside can also set up other circuits and realize that output shutdown signal shuts down with trigger power 10, the embodiment of the utility model discloses circuit to controller 60 internal output shutdown signal to power 10 does not restrict.
The utility model discloses time delay outage system, on the one hand, the scram switch is pressed when being in appointed state and is ended so that first executive device cuts off the power supply immediately through control electronic switch, first executive device can the scram avoid unexpected the emergence, on the other hand, the controller can be when the scram switch is pressed output shutdown signal come trigger need time delay outage second executive device to carry out shutdown operation, and output shutdown signal controls the power shutdown after the time is long when the time delay, make second executive device can carry out the data preservation before the shutdown in the time delay time length, shutdown operations such as reset, second executive device can press back time delay shutdown promptly at the scram switch, avoid second executive device power failure to take place, the operation safety of second executive device has been guaranteed.
The embodiment of the utility model provides a still provide an unmanned aerial vehicle, this unmanned aerial vehicle includes the utility model discloses time delay outage system.
Optionally, the utility model discloses unmanned aerial vehicle can be unmanned car, and wherein, the first actuating device among the time delay outage system can be the chassis of unmanned car, and of course, first actuating device can also include other consumer that need not the time delay outage on the unmanned car, for example, can divide into the first actuating device that need not the time delay outage and the second actuating device that needs the time delay outage with the consumer on the unmanned car.
The unmanned equipment of the embodiment of the utility model comprises a delayed power-off system, a first executing device which does not need delayed power-off on the unmanned equipment is connected with a power supply through an electronic switch, a second executing device which needs delayed power-off is connected with the power supply, on one hand, the first executing device can be immediately powered off by controlling the electronic switch to be cut off when an emergency stop switch is pressed in a designated state, the first executing device can be emergently stopped to avoid accidents, on the other hand, a controller can trigger the second executing device which needs delayed power-off to execute shutdown operation by outputting a shutdown signal when the emergency stop switch is pressed, and a shutdown signal is output after the delayed time to control the power supply to be shut down, so that the second executing device can execute shutdown operations such as data storage and reset before shutdown in the delayed time, namely, the second executing device can be delayed to shut down after the emergency stop switch is pressed, the second execution equipment is prevented from being out of order and is prevented from being out of order, and the operation safety of the second execution equipment is ensured.
In the description herein, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A delayed power outage system, comprising:
a power source;
the first execution equipment is connected with the power supply through an electronic switch, and the first execution equipment is electric equipment which does not need to be powered off in a delayed mode;
the second execution equipment is connected with the power supply, and the second execution equipment is electric equipment needing delayed power-off;
the emergency stop switch is connected with the electronic switch and controls the electronic switch to be cut off when the emergency stop switch is in a specified state;
the controller is connected with the emergency stop switch, the second execution device and the power supply, and is used for outputting a shutdown signal to the second execution device when the emergency stop switch is detected to be in the specified state and outputting the shutdown signal to the power supply after a preset delay time;
the power supply is used for supplying power to the first execution device and the second execution device and shutting down when a shutdown signal is input.
2. The system according to claim 1, wherein the electronic switch is a MOS transistor, a base of the MOS transistor is connected to the emergency stop switch, a collector of the MOS transistor is connected to the power supply, and an emitter of the MOS transistor is connected to the first actuator.
3. The system according to claim 2, wherein the MOS transistor is an NMOS transistor, the emergency stop switch is in a pressed state, when the emergency stop switch is pressed, a common terminal of the emergency stop switch connected to the base of the NMOS transistor is connected to ground, and the NMOS transistor is turned off.
4. The system of claim 3, wherein the controller is provided with a detection pin, and a common terminal of the emergency stop switch connected with the base of the NMOS tube is connected with the detection pin.
5. The system of claim 1, wherein the power source is a rechargeable battery.
6. The delayed power down system of claim 1, wherein said power supply is connected to said controller, said second execution device and said first execution device via a bus.
7. The delayed power down system of claim 6, wherein said bus is a CAN bus.
8. An unmanned aerial device, wherein the unmanned aerial device comprises the delayed power down system of any of claims 1-7.
9. The drone of claim 8, wherein the drone is an drone vehicle.
10. The drone of claim 9, wherein the first performing device in the delayed power off system is a chassis module of the drone vehicle.
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| CN202023309759.8U CN213990630U (en) | 2020-12-31 | 2020-12-31 | Time-delay power-off system and unmanned equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936398A (en) * | 2021-09-11 | 2022-01-14 | 深圳华力岩土工程有限公司 | Construction safety monitoring method, system and equipment and readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936398A (en) * | 2021-09-11 | 2022-01-14 | 深圳华力岩土工程有限公司 | Construction safety monitoring method, system and equipment and readable storage medium |
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