CN211299829U - a cleaning robot - Google Patents

Abstract

The application discloses cleaning machines people, cleaning machines people includes controller, switch circuit, button trigger circuit and self-locking circuit, wherein, switch circuit is connected with the controller electricity, and still be used for being connected with the power module electricity, button trigger circuit is connected with switch circuit electricity, this button trigger circuit includes the button, the button is configured into the break-make of control switch circuit at least, so that power module passes through switch circuit and supplies power for the controller, self-locking circuit is connected with switch circuit electricity, the controller is configured into the auto-lock state of on-off control self-locking circuit according to switch circuit at least, wherein, when switch circuit is in the on-off state, the secondary operation of controller discernment button is in order to control cleaning machines people to carry out and predetermine the operation. Therefore, the key switch of the cleaning robot can realize multiple functions, thereby saving the circuit cost and improving the user experience.

Description

a cleaning robot

technical field

The utility model relates to the field of robots, in particular to a cleaning robot.

Background technique

The application of robots in the industrial field has been relatively mature. In recent years, with the advent of global aging, the social and family burdens are increasing, and home service robots will play an increasingly important role. Cleaning robots refer to automatic cleaning appliances that do not require hand-held operation, including sweeping robots, mopping robots, etc., which can autonomously perform cleaning tasks in the workplace and help users complete a large amount of cleaning work. With the increasing improvement of people's living standards, Cleaning robots are becoming more and more popular.

The cleaning robot is generally set with multiple buttons, and different functions are completed through the operation of each button. Some buttons are used for power on, some buttons are used for shutdown, and other buttons are used for functions other than switching on and off the machine. Users use the cleaning robot to perform related operations. When you need to use multiple keys to operate, it is inconvenient to use and the user experience is not good. In addition, the buttons are large in size and occupy a lot of space. Multiple buttons not only affect the size of the cleaning robot, but also make the circuit structure of the cleaning robot more complicated and the cost higher.

Utility model content

The present invention solves one of the above technical problems at least to a certain extent, and for this purpose, the present invention provides a cleaning robot, which can realize the function of button multiplexing, save costs and improve user experience.

The embodiment of the present utility model provides a cleaning robot, the cleaning robot includes:

controller;

a switch circuit, electrically connected with the controller, and also used for electrical connection with the power supply module;

a button trigger circuit, which is electrically connected to the switch circuit, wherein the button trigger circuit includes a button, and the button is at least configured to control the on-off of the switch circuit, so that the power module can be connected to the switch circuit through the switch circuit. the controller is powered;

A self-locking circuit is electrically connected to the switch circuit, and the controller is at least configured to control the self-locking state of the self-locking circuit according to the on-off of the switch circuit;

Wherein, when the switch circuit is in an on state, the controller recognizes the secondary operation of the button to control the cleaning robot to perform a preset operation.

In some embodiments, the key is an auto-reset key.

In some embodiments, the controller sends a shutdown signal to the self-locking circuit when the key is operated twice for a preset time, and the self-locking circuit controls the switch circuit to work according to the shutdown signal In the disconnected state, to disconnect the electrical connection between the power supply module and the controller, the cleaning robot shuts down.

In some embodiments,

The button trigger circuit also includes:

a first unidirectional conduction circuit electrically connected to the switch circuit, the first unidirectional conduction circuit comprising a first node, and the button is electrically connected to the first node;

a pull-up circuit for providing electrical signals to the controller;

A second one-way conduction circuit is electrically connected to the controller and the pull-up circuit respectively, and the second one-way conduction circuit is also electrically connected to the first node;

When the button is operated for the first time, the power module and the first one-way conduction circuit form a first loop, wherein the first loop can provide a first voltage divider for the switch circuit, so that the switch the circuit works in the on state according to the first divided voltage;

When the button is operated twice, the pull-up circuit and the second one-way conduction circuit form a second loop, wherein the second loop can provide an electrical signal to the controller to enable the control The controller performs a preset operation according to the electrical signal. Secondary operations In some embodiments,

The first unidirectional conduction circuit includes a first diode,

The second unidirectional conduction circuit includes a second diode,

The pull-up circuit includes a pull-up resistor,

The cathode of the first diode, the cathode of the second diode and the button are connected to the first node, the anode of the first diode is connected to the switch circuit, and the first diode is connected to the switch circuit. The anodes of the two diodes are respectively connected to the pull-up resistor and the controller.

In some embodiments,

The switch circuit includes:

a first switch tube, a first resistor, a second resistor and a second node, the first switch tube is respectively connected to the power module, the controller and the second node, and one end of the first resistor is connected to the The other end of the power module and the first switch tube is connected to the second node with one end of the second resistor, and the other end of the second resistor is connected to the self-locking circuit and the first Anode of a diode.

In some embodiments,

The self-locking circuit includes:

A second switch tube, a third resistor, a fourth resistor, a third diode and a third node, the second switch tube is respectively connected to the switch circuit, the ground and the third node, the third diode The anode of the tube is connected to the controller, the cathode of the third diode is connected to one end of the third resistor, the other end of the third resistor is connected to one end of the fourth resistor and the Three nodes, the other end of the fourth resistor is also connected to the ground.

In some embodiments,

The cleaning robot also includes:

A charging startup circuit is electrically connected to the self-locking circuit, and when a charging voltage is applied to the charging startup circuit, the charging startup circuit starts the self-locking circuit, so that the self-locking circuit controls the switch circuit to lock Works in the channel state.

In some embodiments, the charging startup circuit includes: a fifth resistor and a fourth diode, one end of the fifth resistor is connected to the third node, and the other end of the fifth resistor is connected to the third node The negative poles of the four diodes are connected, and when the charging start circuit is applied with a charging voltage, the charging voltage is applied to the positive poles of the fourth diodes.

In some embodiments, the cleaning robot further includes: a voltage adjustment circuit, the voltage adjustment circuit is electrically connected between the switch circuit and the controller, and is used for voltage adjustment of the power supply provided by the power module , and apply the adjusted voltage to the controller.

Compared with the prior art, the utility model has at least the following beneficial effects: the cleaning robot includes a controller, a switch circuit, a button trigger circuit and a self-locking circuit, wherein the switch circuit is electrically connected to the controller and is also used to electrically connect with the power module. connection, the button trigger circuit is electrically connected with the switch circuit, the button trigger circuit includes a button, the button is at least configured to control the on-off of the switch circuit, so that the power module supplies power to the controller through the switch circuit, and the self-locking circuit is electrically connected to the switch circuit , the controller is at least configured to control the self-locking state of the self-locking circuit according to the on-off state of the switch circuit, wherein when the switch circuit is in the on state, the controller recognizes the secondary operation of the button to control the cleaning robot to perform a preset operation. Therefore, the key switch of the cleaning robot can realize a variety of functions. It can realize the function of turning the machine on and off with one key, and it can also realize the function of starting cleaning or pausing cleaning in addition to turning the machine on and off. Users do not need to use multiple switches to operate the cleaning robot. With different functions, the operation is more convenient and the operation time is shorter, thereby improving the user experience. In addition, the key switches of the cleaning robot are less than those of the prior art. Therefore, the circuit of the cleaning robot of the present invention occupies a small space. The circuit hardware cost is reduced, and further, the circuit structure of the cleaning robot is simple, the wiring is easier, and the realization is easier.

Description of drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings, and these exemplifications do not constitute limitations of the embodiments, and elements with the same reference numerals in the drawings are denoted as similar elements, Unless otherwise stated, the figures in the accompanying drawings do not constitute a scale limitation.

1 is a schematic structural diagram of a cleaning robot provided by an embodiment of the present invention;

2 is a schematic block diagram of a cleaning robot provided by an embodiment of the present invention;

3 is a schematic block diagram of a cleaning robot according to another embodiment of the present invention;

4 is a schematic structural diagram of a cleaning robot provided by yet another embodiment of the present invention;

5 is a schematic diagram of circuit conduction of the self-locking circuit and the switch circuit when the controller according to the embodiment of the present invention sends a self-locking signal to the self-locking circuit.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of a cleaning robot provided by an embodiment of the present invention. As shown in FIG. 1 , the power supply module 200 supplies power to the cleaning robot 100 , wherein the cleaning robot 100 includes a switch circuit 10 , a key trigger circuit 20 , a self-locking circuit 30 and a controller 40 , wherein the switch circuit 10 is electrically connected to the controller 40 , and is also used for electrical connection with the power supply module 200, the button trigger circuit 20 is electrically connected with the switch circuit 10, wherein the button trigger circuit 20 includes a button, and the button is at least configured to control the on-off of the switch circuit 10, so that the power module 200 Power is supplied to the controller 40 through the switch circuit 10. When the button is operated for the first time, the button trigger circuit 20 triggers the switch circuit 10 to work in the ON state, so that the power module 200 supplies power to the controller 40 through the switch circuit 10, that is, the controller 40 is powered by the switch circuit 10. 40 is in the power-on working state. The self-locking circuit 30 is electrically connected to the switch circuit 10. The controller 40 is at least configured to control the self-locking state of the self-locking circuit 30 according to the on-off of the switch circuit 10. The self-locking state includes a locked state and an unlocked state. The self-locking circuit 30 is normally In the unlocked state, when the controller 40 detects the power supply of the power supply module 200, that is, the power supply module 200 has started to supply power to the controller 40, the controller 40 sends a self-locking signal to the self-locking circuit 30, so that the self-locking circuit 30 The switch circuit 10 is locked to work in the on state, that is, the switch circuit 10 is kept in the on state. When the switch circuit 10 is in the ON state, if the button is operated twice, the button trigger circuit 20 triggers the controller 40 to control the cleaning robot 100 to perform a preset operation, such as performing a shutdown function, or performing a function other than power on and off.

Therefore, the cleaning robot 100 can realize various functions by operating a key switch, which can realize the function of turning the machine on and off with one key, and can also realize the functions of starting cleaning or pausing cleaning in addition to turning the machine on and off, and the user does not need to use various functions. Switch operation The cleaning robot realizes different functions, the operation is more convenient, and the operation time is shorter, thereby improving the user experience. In addition, the cleaning robot has fewer key switches than the prior art. Therefore, the cleaning robot of the present invention The circuit occupies less space, which reduces the cost of circuit hardware. Further, the circuit structure of the cleaning robot is simple, the wiring is easier, and the realization is easier. The operation of one button realizes multiple functions, thereby saving circuit costs and improving user experience.

In some embodiments, the controller 40 may be any suitable type of electronic device with a processor capable of computing, such as a single-chip microcomputer, a digital signal processing (DSP), a programmable logic controller (PLC) )and many more.

In some embodiments, the switch circuit 10 may be of the types of contactors, relays, electronic switches, time delay switches, photoelectric switches, tact switches, proximity switches, and dual control switches. It can also be a switch circuit composed of switch tubes. The working state of the switch circuit 10 controls the on and off of the power supply module 200 to the controller 40, and the switch circuit 10 works in the on state, then the power module 200 can supply power to the controller 40 through the switch circuit 10, and the switch circuit 10 works in the off-circuit state state, the power supply module 200 is disconnected from the controller 40 and no longer supplies power to the controller 40 .

In some embodiments, the keys in the key trigger circuit 20 are auto-reset keys.

In some embodiments, the working state of the self-locking circuit 30 is controlled by the controller 40. When the key is operated for the first time, the controller 40 sends a self-locking signal to the self-locking circuit 30 to control the self-locking circuit 30 to be in the working state of the channel. , so that the switch circuit 10 continues to work in the on state, so that the power supply module 200 continues to supply power to the controller 40 to realize the power-on function of the controller 40. When the switch circuit 10 is in the on state and the button is operated twice, the button triggers the circuit 20 An electrical signal is sent to the controller 40, so that the controller 40 performs a corresponding operation according to the electrical signal. For example, after the controller 40 receives the electrical signal sent by the button trigger circuit 20, the controller 40 controls the cleaning robot 100 to start the corresponding functions such as starting cleaning and pausing cleaning according to the electrical signal. If the value is set, the controller 40 sends a shutdown electrical signal to the self-locking circuit 30 to control the self-locking circuit 30 to be in an open-circuit state, thereby making the switch circuit 10 work in an open-circuit state, disconnecting the power supply module 200 for supplying power to the controller 40. The power supply loop makes the controller 40 shut down.

In some embodiments, the power supply module 200 may be a power supply chip or an integrated circuit composed of related circuits capable of outputting electrical energy. The power supply module 200 may specifically be a switching power supply, an inverter power supply, an AC regulated power supply, and a DC regulated power supply. Power supply, DC/DC power supply, communication power supply, module power supply, variable frequency power supply, UPS power supply and other types.

Please refer to FIG. 2. FIG. 2 is a schematic block diagram of a cleaning robot according to an embodiment of the present invention. As shown in FIG. 2, the button trigger circuit 20 in the cleaning robot 100 further includes a first one-way conduction circuit 21. The pull-up circuit 22 , the second one-way conduction circuit 23 and the button 24 . The first unidirectional conduction circuit 21 is connected to the switch circuit 10 , and further includes a first node 211 , and the button 24 is electrically connected to the first node 211 . A high-level signal is applied to the pull-up circuit 22 to provide an electrical signal for the controller 40, the high-level signal may be the power supply voltage of the controller 40, and the second unidirectional conduction circuit 23 is connected to the controller 40 and the pull-up circuit 23 respectively. The circuit 22 is electrically connected, and the second unidirectional conduction circuit 23 is also electrically connected to the first node 211 .

When the button 24 is operated for the first time, the power module 200 forms a first loop through the switch circuit 10 and the first one-way conduction circuit 21 , wherein the first loop can provide the first voltage divider for the switch circuit 10 so that the switch circuit 10 can The first voltage divider works in the on state, and the controller 40 is turned on; when the switch circuit 10 is in the on state and the button 24 is operated twice, the power supply voltage of the controller 40 is applied to the pull-up circuit 22, and the pull-up circuit 22 and the The two one-way conduction circuits 23 form a second loop, wherein the second loop can provide an electrical signal to the controller 40, and the controller 40 performs a preset operation according to the electrical signal. For example, perform a shutdown function, or perform functions such as starting cleaning and suspending cleaning other than switching on and off the machine. Therefore, the cleaning robot 100 realizes the multiplexing function of the keys, and can realize other self-defined functions in addition to the on-off function.

Please refer to FIG. 3 . FIG. 3 is a schematic block diagram of a cleaning robot according to another embodiment of the present invention. As shown in FIG. 3 , as shown in FIG. 3 , the cleaning robot 100 further includes a charging start circuit 50 , which It is electrically connected to the self-locking circuit 30. When the charging voltage is applied to the charging start-up circuit 50, the charging start-up circuit 50 starts the self-locking circuit 30, so that the self-locking circuit 30 controls the switch circuit 10 to work in an on state, thereby making the power module 200 The controller 40 is continuously charged. When the controller 40 is in the off state, the external charger is connected to the charging startup circuit 50, so that the power module 200 can charge the controller 40 to realize the function of automatically turning on the charging without the need for the user to press the power-on button again, improving the user experience.

In some embodiments, as shown in FIG. 3 , the cleaning robot 100 further includes a voltage adjustment circuit 60 , the voltage adjustment circuit 60 is electrically connected between the switch circuit 10 and the controller 40 for providing power to the power module 200 Voltage adjustment is performed, and the adjusted voltage is applied to the controller 40 . In some embodiments, the voltage adjustment circuit 60 is a power management IC (Power Management IC, abbreviated as PMIC), which is a special-purpose integrated circuit, and its function is to manage power for the main system. The main function of the PMIC is to control the flow and direction of electricity to meet the needs of the main system. In multiple power sources (such as external true current power supplies, power modules, USB power supplies, etc.), select and distribute power to various parts of the main system. PMIC generally includes DC-DC converters (DC-DC converters) and low dropout stabilizers. A DC-DC converter is a circuit or electromechanical device that converts electrical energy, which can convert a direct current (DC) power supply into a direct current (or approximate direct current) power supply of different voltages. LDO, also known as low dropout linear voltage regulator, low dropout voltage regulator, is a type of linear DC voltage regulator, which is also used to provide a stable DC voltage power supply. Compared with general linear DC voltage regulators, low dropout voltage regulators can work with smaller output and input voltage differences. The power management IC supplies power to the controller 40 after adjusting the power of the power module 200 .

Please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of a cleaning robot provided by yet another embodiment of the present invention. As shown in FIG. 4 , the switch circuit 10 includes a first switch tube Q1, a first resistor R1, a second resistor R2 and a second node 11, wherein the first switch Q1 is respectively connected to the power module VBAT, the controller 40 and the second node 11. One end of the first resistor R1 is connected to the power supply module VBAT and the first switch Q1 respectively, the other end is connected to one end of the second resistor R2 and is connected to the second node 11, and the other end of the second resistor R2 is connected to the self-locking circuit 30 and The anode of the first diode D1. When the first switch transistor Q1 is in a conducting working state, the switching circuit 10 is in a conducting working state. In the embodiment of the present invention, the first switch Q1 is a PMOS switch, the gate of the PMOS switch is connected to the second node 11, the source is connected to the power module terminal VBAT, and the drain is adjusted by the voltage through the V_PWR terminal The circuit 60 is connected to the power supply terminal VDD of the controller 40 . When the PMOS switch is in an on state, the power supply of the power module VBAT supplies power to the controller 40 through the drain of the PMOS switch.

The self-locking circuit 30 includes a second switch transistor Q2, a third resistor R3, a fourth resistor R4, a third diode D3, and a third node 31. The second switch transistor Q2 is connected to the switch circuit 10, the ground, and the third node 31, respectively. , the anode of the third diode D3 is connected to the controller 40, the cathode of the third diode D3 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected to one end of the fourth resistor R4 and the third At the node 31, the other end of the fourth resistor R4 is also connected to the ground. The controller 40 can send a self-locking signal to the self-locking circuit 30, so that the second switch tube Q2 is in a conducting state, thereby making the switching circuit 10 locked in the channel working state. If the controller 40 sends a shutdown signal to the self-locking circuit 30, so that The second switch tube Q2 is in an off state, so that the switch circuit 10 is in an open-circuit working state, and the power supply module VBAT is disconnected for the power supply circuit of the controller 40 . In the embodiment of the present invention, the second switch transistor Q2 is an NPN transistor, the base of the NPN transistor is connected to the third node 31, its collector is connected to the second resistor R2 and the anode of the first diode D1, and its emitter is connected to the anode of the first diode D1. Connect to ground. In some embodiments, the second switch transistor Q2 may also be an NMOS transistor.

The first one-way conduction circuit 21 includes a first diode D1, the second one-way conduction circuit 23 includes a second diode D2, and the pull-up circuit 22 includes a pull-up resistor R6. The cathode of the first diode D1, the cathode of the second diode D2 and the button SW1 are connected to the first node 211 in common, the anode of the first diode D1 is connected to the switch circuit 10, and the anode of the second diode D2 is respectively Connect pull-up resistor R6 and controller 40.

The charging startup circuit 50 further includes a fifth resistor R5 and a fourth diode D4. One end of the fifth resistor R5 is connected to the third node 31, and the other end of the fifth resistor R5 is connected to the negative electrode of the fourth diode D4. When When the charging voltage is applied to the charging startup circuit 50, the charging voltage is applied to the anode of the fourth diode D4.

The embodiment of the present utility model describes in detail the specific working principle of the cleaning robot with reference to FIG. 4, as follows:

In the initial state, both the first switch tube Q1 and the second switch tube Q2 are in the off state, the power supply circuit of the power module VBAT for the controller 40 is disconnected, and the cleaning robot 100 is in the off state. Therefore, even if the power supply module terminal VBAT is powered, the voltage adjustment circuit 60 of the subsequent stage has no input voltage and no energy loss, and the switch circuit 10 itself is disconnected because the first switch transistor Q1 and the second switch transistor Q2 are turned off. power consumption. Therefore, the circuit can completely turn off the power supply and reduce the power consumption of the power module

When the button SW1 is operated for the first time, the two ends of the button SW1 are connected and grounded, the negative electrode of the first diode D1 is connected to the ground, the first diode D1 is turned on, and then the power module VBAT passes through the first resistor R1 and the second resistor R2. , the first diode D1 and the button SW1 form a first loop, the voltage of the power module VBAT is divided by the first resistor R1, the second resistor R2 and the first diode D1, so that the gate-source voltage of the first switch tube Q1 When the voltage Vgs is less than the on-voltage Vgs of the first switch tube Q1, the first switch tube Q1 is turned on, and the power supply module VBAT supplies power to the voltage adjustment circuit 60 through the V_PWR terminal through the drain of the first switch tube Q1, and the voltage adjustment circuit 60 supplies power to the controller. 40 is powered on, so that the cleaning robot 100 is powered on.

After the cleaning robot 100 is turned on, the controller 40 detects the power supply and the VDD terminal is powered, and then sends a self-locking signal to the self-locking circuit 30 via the PWR_CTL terminal. Please refer to FIG. 5 , which is a controller provided by an embodiment of the present invention. When the self-locking signal is sent to the self-locking circuit, the circuit diagram of the self-locking circuit and the switching circuit is turned on. The self-locking signal is a high-level signal, and the high-level signal makes the third diode D3 conduct, thereby making the control The device 40 forms a closed loop through the third diode D3, the third resistor R3, the fourth resistor R4 and the ground, so that the second switch Q2 is turned on, and the collector voltage of the second switch Q2 is approximately equal to its emitter voltage. , that is, close to 0V, and then, the voltage of the power module VBAT is divided by the first resistor R1, the second resistor R2 and the second switch Q2, so that the gate-source voltage of the first switch Q1 is smaller than the first switch Q1. When the voltage Vgs is turned on, the first switch tube Q1 is turned on, the power supply module VBAT supplies power to the voltage adjustment circuit 60 through the drain of the first switch tube Q1, and the controller 40 continues to send a high-level signal to the self-locking circuit 30 to lock the first switch tube Q1. The switch tube Q1 continues to work in the on state, that is, the lock switch circuit 10 continues to work in the on state, so that the power module VBAT power supply continues to supply power to the controller 40, and the power supply self-locking function is realized after the power is turned on.

When the button SW1 is operated a second time, the two ends of the button SW1 are connected and grounded again, and at the same time, the power supply voltage VDD of the controller 40 is applied to the pull-up resistor R6, the second diode D2 is turned on, and the pull-up resistor R6 is connected to the pull-up resistor R6. The two diodes D2, the button SW1, and the ground form a second loop. Therefore, the positive terminal voltage of the second diode D2 is at a low level, and the low level signal is transmitted to the controller 40 through the MCU_SW_KEY1. The low-level signal performs corresponding operations, such as starting cleaning, suspending cleaning, etc. The specific operations can be customized by the user. Therefore, the cleaning robot 100 realizes multiplexing functions other than switching on and off.

If the second operation time of the button SW1 reaches the preset value, that is, the duration of the low-level signal reaches the preset value, the controller 40 will continue to send a low-level signal to the self-locking circuit via the PWR_CTL terminal. After releasing the button SW1 , the base of the second switch transistor Q2 is continuously in a low-level state, so the second diode D2 is turned off, so that the gate of the first switch transistor Q1 is in a high-level state, and the first switch transistor Q1 is turned off, so that the The switch circuit 10 works in an off-circuit state, thereby disconnecting the power supply circuit of the power supply module VBAT to supply power to the controller 40 , and the subsequent voltage adjustment circuit 60 stops supplying power to the controller 40 , and the cleaning robot 100 shuts down.

When the cleaning robot 100 is in a shutdown state, the external charger is connected to the charging startup circuit 30 through the ADAPTOR_IN terminal. The external charger forms a closed loop with the fourth diode D4, the fifth resistor R5 and the fourth resistor R4, and the external charger voltage The fourth diode D4 and the fourth resistor R4 are added to the base of the second switch transistor Q2, so that the second switch transistor Q2 is turned on, so that the gate-to-source voltage of the first switch transistor Q1 is lower than the voltage of the first switch transistor Q1. When the voltage Vgs is turned on, the first switch tube Q1 is turned on, the power supply module VBAT supplies power to the voltage adjustment circuit 60 through the drain of the first switch tube Q1, and the cleaning robot 100 is powered on, realizing the function of charging and starting, and the user does not need to press The power switch can realize the power-on function and improve the user experience.

To sum up, the cleaning robot 100 can realize various functions through one button, and does not need to set different switches to realize different functions, saves the circuit cost, improves the user experience, and when the controller is turned off, the power supply can be completely cut off without loss of power electricity, saving energy consumption.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; under the idea of the present utility model, the technical features in the above embodiments or different embodiments can also be carried out. Combinations, steps may be implemented in any order, and there are many other variations of the different aspects of the invention described above, which are not provided in detail for the sake of brevity; although the invention has been described in detail with reference to the foregoing embodiments, Those of ordinary skill in the art should understand that: they can still make modifications to the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from The scope of the technical solutions of each embodiment of the present application.

Claims (10)

1. A cleaning robot, characterized by comprising:

a controller;

a switching circuit electrically connected with the controller and further used for electrically connecting with a power supply module;

the key trigger circuit is electrically connected with the switch circuit and comprises a key, and the key is at least configured to control the on-off of the switch circuit so that the power supply module supplies power to the controller through the switch circuit;

the controller is at least configured to control the self-locking state of the self-locking circuit according to the on-off state of the switch circuit;

when the switch circuit is in a closed state, the controller identifies the secondary operation of the key to control the cleaning robot to execute the preset operation.

2. The cleaning robot of claim 1, wherein the key is an auto-reset key.

3. The cleaning robot of claim 1, wherein when the time of the key being operated for the second time reaches a preset value, the controller sends a shutdown signal to the self-locking circuit, and the self-locking circuit controls the switch circuit to operate in an off state according to the shutdown signal, so as to disconnect the electrical connection between the power module and the controller, and the cleaning robot shuts down.

4. The cleaning robot of claim 1, wherein the key trigger circuit further comprises:

the first one-way conduction circuit is electrically connected with the switch circuit and comprises a first node, and the key is electrically connected with the first node;

a pull-up circuit for providing an electrical signal to the controller;

a second unidirectional conductive circuit electrically connected to the controller and the pull-up circuit, respectively, and further electrically connected to the first node;

when the key is operated for the first time, the power supply module and the first one-way conduction circuit form a first loop, wherein the first loop can provide first partial pressure for the switch circuit so that the switch circuit works in a pass state according to the first partial pressure;

when the key is operated for the second time, the pull-up circuit and the second unidirectional conduction circuit form a second loop, wherein the second loop can provide an electric signal for the controller, so that the controller executes preset operation according to the electric signal.

5. The cleaning robot according to claim 4,

the first unidirectional conducting circuit comprises a first diode,

the second unidirectional conducting circuit comprises a second diode,

the pull-up circuit includes a pull-up resistor,

the negative electrode of the first diode, the negative electrode of the second diode and the key are connected with the first node together, the positive electrode of the first diode is connected with the switch circuit, and the positive electrode of the second diode is connected with the pull-up resistor and the controller respectively.

6. The cleaning robot of claim 5, wherein the switching circuit comprises:

the power supply comprises a first switch tube, a first resistor, a second resistor and a second node, wherein the first switch tube is connected with the power module, the controller and the second node respectively, one end of the first resistor is connected with the power module and the first switch tube respectively, the other end of the first resistor is connected with one end of the second resistor and the second node, and the other end of the second resistor is connected with the self-locking circuit and the anode of the first diode respectively.

7. The cleaning robot of claim 1, wherein the self-locking circuit comprises:

the second switch tube is respectively connected with the switch circuit, the ground and the third node, the anode of the third diode is connected with the controller, the cathode of the third diode is connected with one end of the third resistor, the other end of the third resistor is connected with one end of the fourth resistor and the third node, and the other end of the fourth resistor is also connected with the ground.

8. The cleaning robot of claim 7, further comprising:

and the charging starting circuit is electrically connected with the self-locking circuit, and when charging voltage is applied to the charging starting circuit, the charging starting circuit starts the self-locking circuit so that the self-locking circuit controls the switching circuit to work in an on state in a locking mode.

9. The cleaning robot of claim 8, wherein the charge initiation circuit comprises: and a fifth resistor and a fourth diode, wherein one end of the fifth resistor is connected to the third node, the other end of the fifth resistor is connected to a cathode of the fourth diode, and when a charging voltage is applied to the charging start circuit, the charging voltage is applied to an anode of the fourth diode.

10. The cleaning robot according to any one of claims 1 to 9, further comprising: and the voltage adjusting circuit is electrically connected between the switch circuit and the controller and is used for adjusting the voltage of the power supply provided by the power supply module and applying the adjusted voltage to the controller.

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