CN111358355B - Standby control circuit and sweeping robot - Google Patents

Abstract

The invention provides a standby control circuit and a sweeping robot, wherein the standby control circuit comprises a voltage stabilizing circuit connected with a power supply, a radar power supply control circuit and a control unit power supply control circuit which are both connected with the voltage stabilizing circuit, and a standby control module, the standby control module comprises a voltage input end connected with the voltage stabilizing circuit, and a radar control end and a control unit control end which are connected with the radar power supply control circuit and the control unit control circuit correspondingly, and the radar control end and the control unit control end are respectively used for outputting corresponding control signals to switch on a path between the voltage stabilizing circuit and the radar power supply control circuit and a path between the radar control circuit and the control unit power supply control circuit so as to correspondingly wake up a radar and/or a control unit. The standby control module is used for controlling the on-off of the radar power supply control circuit and the voltage stabilizing circuit of the control unit, and only the standby control module is used for supplying power in the standby process, so that the low consumption of the electric energy of the power utilization unit is realized.

Description

Standby control circuit and sweeping robot

technical field

The invention relates to the field of smart home, in particular to a standby control circuit and a sweeping robot.

Background technique

Sweeping robot, also known as automatic cleaning machine, smart vacuum cleaner, robot vacuum cleaner, etc., is a kind of smart household appliances, which can automatically complete the floor cleaning work in the room by virtue of certain artificial intelligence. Generally, brushing and vacuuming are used to absorb the debris on the ground into its own garbage storage box, so as to complete the function of ground cleaning. Generally speaking, robots that complete cleaning, vacuuming, and mopping the floor are also collectively classified as sweeping robots.

Usually, the sweeping robot has a built-in rechargeable power supply to supply power to each module of the sweeping robot, but when the sweeping robot does not need to be used to make it stand by, each module in the sweeping robot is still in a state of consuming power, resulting in the power consumption of the sweeping robot huge.

Contents of the invention

The purpose of the present invention is to provide a standby control circuit with energy-saving standby effect.

Another object of the present invention is to provide a sweeping robot comprising the above standby control circuit.

In order to achieve the above object, the present invention provides the following technical solutions:

A standby control circuit, comprising a voltage stabilizing circuit for connecting to a power supply, a radar power supply control circuit and a control unit power supply control circuit both connected to the voltage stabilizing circuit, and a standby control module, the standby control module including a voltage stabilizing circuit The voltage input terminal connected to the circuit and the radar control terminal and the control unit control terminal corresponding to the connection between the radar power supply control circuit and the control unit control circuit, the radar control terminal and the control unit control terminal are respectively used to output corresponding control signals to connect The path between the voltage stabilizing circuit and the radar power control circuit and the control unit power control circuit correspondingly wakes up the radar and/or the control unit.

Through the above scheme, a standby control module is added between the voltage stabilizing circuit and each module circuit, and the radar power supply control circuit and the on-off between the control unit power supply control circuit and the voltage stabilizing circuit are controlled by the standby control module. During the standby process, Only the standby control module is charged to realize low energy consumption of the power consumption unit, and the power supply of the remaining modules is turned off to save power and prolong the use time.

Further setting: it also includes a peripheral power supply control circuit and a wall-mounted module power control circuit that are both electrically connected to the voltage stabilizing circuit, and the control unit power supply control circuit is electrically connected with the peripheral power supply control circuit and the wall-mounted module power supply control circuit, so as to When the control unit is woken up, it can output a corresponding control signal to drive the voltage stabilizing circuit to connect the peripherals and the wall-mounted module to the power supply.

Further setting: the voltage stabilizing circuit includes a voltage stabilizing chip, the voltage stabilizing chip includes a power supply input terminal, a standby signal receiving terminal and a power supply output terminal, the power supply input terminal is used to connect with the power supply, and the power supply output terminal is connected to the radar The power supply control circuit, the control unit power supply control circuit and the power supply terminal of the standby control module are all connected, and the standby signal receiving terminal is used to only output the power supply voltage to the standby control module after receiving the standby command.

It is further provided that: both the power input end and the standby signal receiving end of the voltage stabilizing circuit are connected with a first filtering module, and the first filtering module includes a capacitor with one end connected to the voltage stabilizing chip and the other end grounded.

Further setting: the voltage stabilizing circuit also includes a filter circuit connected to the power supply output terminal of the voltage stabilizing chip, and the filtering circuit is connected to the power supply output terminal of the voltage stabilizing chip and the radar power control circuit, the control unit power control circuit and the standby control circuit between the power terminals of the module.

Further setting: the filter circuit includes a filter resistor, a filter capacitor and a filter inductance arranged in series.

Through the above solution, the filter circuit can be used to filter out the AC voltage existing in the output voltage of the voltage stabilizing circuit, so that the voltage delivered to each module and circuit is more stable and effective.

It is further provided that the radar power supply control circuit includes a first switch tube and a second switch tube connected to each other, the first switch tube is connected to the radar control terminal of the standby control module, and one end of the first switch tube is grounded One end of the first switching tube connected to the second switching tube is used to output a voltage signal to the second switching tube, and the second switching tube is used to receive the voltage signal to conduct the power output terminal of the voltage stabilizing circuit and the radar power supply The voltage output terminal of the control circuit.

Further setting: the control unit control circuit includes a third switch tube and a fourth switch tube connected to each other, the third switch tube is connected to the control unit control terminal of the electrode control module, one end of the third switch tube is grounded, and the One end of the third switching tube connected to the fourth switching tube is used to output a voltage signal to the fourth switching tube, and the fourth switching tube is used to receive the voltage signal to turn on the power output terminal of the voltage stabilizing circuit and the power control unit of the control unit The voltage output terminal of the circuit.

It is further provided that a step-down circuit is provided between the power control circuit of the control unit and the voltage stabilizing circuit.

Further setting: the step-down circuit includes a step-down regulator chip, the input terminal of the step-down regulator chip is connected to the voltage output terminal of the voltage regulator circuit, and the output terminal of the step-down regulator chip is connected to the fourth switch tube .

Further setting: both the input terminal and the output terminal of the step-down regulator chip are connected with a second filtering module.

Through the above solution, the step-down circuit provided between the power supply control circuit of the control unit and the voltage stabilizing circuit can convert the output voltage of the stabilizing circuit into a voltage suitable for the control unit. In addition, The second filter module can filter out the AC voltage in the circuit, so that the voltage output is more stable.

It is further provided that the peripheral power supply control circuit includes a fifth switch tube and a sixth switch tube connected to each other, and the fifth switch tube is provided with a peripheral power supply signal receiving end for receiving the voltage output signal of the control unit power supply control circuit, One end of the fifth switch tube is grounded, and one end of the fifth switch tube connected to the sixth switch tube is used to output a voltage signal to the sixth switch tube, and the sixth switch tube receives the voltage signal for use in The output end of the step-down regulator chip is turned on with the voltage output end of the peripheral power supply control circuit.

It is further provided that the power supply control circuit of the wall-mounted module includes a second chip, the input terminal of the second chip is connected to the output terminal of the voltage stabilizing circuit, and the output terminal of the second chip is used as the power supply control circuit of the wall-mounted module The second chip is provided with a signal receiving end of the wall-mounted module for receiving the voltage signal of the peripheral power supply control module.

A sweeping robot, comprising the above-mentioned standby control circuit.

Compared with the prior art, the solution of the present invention has the following advantages:

1. In the standby control circuit of the present invention, a standby control module is added between the voltage stabilizing circuit and each module circuit, and the on-off between the radar power supply control circuit and the control unit power supply control circuit and the voltage stabilizing circuit is controlled by the standby control module , so that in the standby process, the power supply only supplies power to the standby control unit, and other power modules such as: radar module, control unit, peripherals and wall modules are all in the off state, so as to achieve the effect of energy saving and prolong the use of electrical equipment time.

2. In the sweeping robot of the present invention, the power consumption is reduced during the standby process, which can prolong the use time after each charge, and realize low energy consumption, energy saving and environmental protection.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and will become apparent from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is a schematic diagram of the relationship between the voltage stabilizing circuit of the standby control circuit of the present invention, the radar power supply control module, the control unit power supply control module, the peripheral power supply control circuit, the step-down circuit and the wall module power supply control circuit;

FIG. 2 is a schematic diagram of a standby control module of the standby control circuit of the present invention.

In the figure, 1. voltage stabilizing circuit; 11. power supply input terminal; 12. power supply output terminal; 13. standby signal receiving terminal; 14. standby signal output terminal; 15. filter circuit; 2. standby control module; 21. voltage input 22. Standby control signal receiving terminal; 23. Radar control terminal; 24. Control unit control terminal; 3. Radar power supply control module; 4. Control unit power supply control circuit; 5. Peripheral power supply control circuit; 6. Along the wall Module power supply control circuit; 7. Step-down circuit.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

The invention relates to a standby control circuit, which is installed in the electric equipment, so that the energy consumption of the electric equipment is low during the standby period, so as to achieve the purpose of saving the electric energy of the electric equipment and prolonging the use time of the electric equipment.

Referring to Fig. 1 and Fig. 2, the standby control circuit includes a voltage stabilizing circuit 1, a standby control module 2, a radar power control circuit 3, a control unit power control circuit 4, a peripheral power control circuit 5 and a wall module power control circuit 6 , wherein, the voltage stabilizing circuit 1 is connected to the power supply, the standby control module 2, the radar power supply control circuit 3, the control unit power supply control circuit 4, the peripheral power supply control circuit 5 and the wall module power supply control circuit 6 are all connected to the stabilizing The power supply output terminal 11 of the voltage circuit 1 is connected.

The voltage stabilizing circuit 1 includes a voltage stabilizing chip U201, and the voltage stabilizing chip U201 includes a power input terminal 11, a power output terminal 12, a standby signal receiving terminal 13 and a standby signal output terminal 14, and the power supply input terminal 11 is used to communicate with Power supply connection, the power supply output terminal 12 is connected to the power supply terminals of the standby control module 2, the radar power supply control circuit 3 and the control unit power supply control circuit 4, and the standby signal receiving terminal 13 is used to receive the standby command of the electrical equipment, The standby signal output terminal 14 is connected with the standby control module 2 and the standby control signal is input in the standby control module 2, so that the standby control module 2 controls the voltage regulator circuit 1 and the radar power supply control circuit 3 and the control unit power supply 4 control circuits. disconnect.

In addition, the voltage stabilizing circuit 1 also includes a first filter module (not marked, the same below) connected to the power input terminal 11 and the standby signal receiving terminal 13. The first filter module includes one end connected to the voltage stabilizing chip U201 and the other end capacitor to ground. The voltage stabilizing circuit 1 is provided with a filter circuit 15 at its power supply output terminal 12 and the standby signal output terminal 14, and the filter circuit 15 is connected to the voltage stabilizing chip and the standby control module 2, the radar power supply control circuit 3, and the control unit power supply Between the control circuit 4 , the peripheral power supply control circuit 5 and the wall-mounted module power supply control circuit 6 . The filter circuit 15 includes a filter resistor, a filter capacitor and a filter inductor arranged in series. Preferably, the filter inductor in this embodiment adopts an inductor with a magnetic core or an iron core, so as to increase the electromagnetic induction of the filter inductor and improve the filtering effect of the filter inductor.

The standby control module 2 includes a voltage input terminal 21, a standby control signal receiving terminal 22, a radar control terminal 23 and a control unit control terminal 24, the voltage input terminal 21 is connected to the power supply output terminal 12 of the voltage stabilizing circuit 1, and the The standby control module 2 can output corresponding control signals to the radar power control circuit 3 and the control unit power control circuit 4 respectively through the radar control terminal 23 and the control unit control terminal 24, so as to connect the voltage stabilizing circuit 1 and the radar power control circuit 3 and The path between the control unit power supply control circuit 4 corresponds to the power supply operation of waking up the radar and the control unit. The standby control signal receiving end 22 is used to receive the standby control signal output by the voltage stabilizing circuit 1. When the standby control module 2 receives the standby control signal When controlling the signal, the standby control module 2 stops outputting the voltage control signal to the radar power control circuit 3 and the control unit power control circuit 4, so that the radar power control circuit 3 and the control unit power control circuit 4 are disconnected from the voltage stabilizing circuit 1 connect.

The radar power supply control circuit 3 includes a first switching tube Q201 and a second switching tube Q202 connected to each other. Preferably, the first switching tube Q201 and the second switching tube Q202 in this embodiment are field effect tubes, further , the first switching tube Q201 is an N-channel FET, its gate is connected to the radar control terminal 23 of the standby control module 2, the source of the first switching tube Q201 is grounded, and its drain is connected to the second switching tube The gate of Q202 is connected, and the second switch tube Q202 is a P-channel FET, its source is connected to the power output terminal 12 of the voltage stabilizing circuit 1 , and its drain is used as the voltage output terminal of the radar power control circuit 3 . Since the current of the P-channel field effect transistor flows from the source to the drain, when the gate of the first switching transistor Q201 receives the voltage signal from the standby control module 2, the first switching transistor Q201 is turned on, so that the voltage signal Flow to the gate of the second switching tube Q202, and then the drain and source of the second switching tube Q202 are turned on, so that the voltage output terminal of the radar power supply control circuit is connected with the power supply output terminal 12 of the voltage stabilizing circuit 1, and the radar power supply control circuit Power the radar.

In addition, in other embodiments, the first switch Q201 can also be configured as a triode.

The control unit control power supply control circuit includes a third switching tube Q205 and a fourth switching tube Q206 connected to each other. The third switching tube Q205 in this embodiment is a triode, specifically an NPN type triode, and the fourth switching tube Q206 is a P-channel field effect transistor, the base of the third switching transistor Q205 is connected to the control unit control terminal 24 of the standby control unit 2, the emitter of the third switching transistor Q205 is grounded, and its collector is connected to the fourth switch The gate of the tube Q206 is connected, the drain of the fourth switching tube Q206 is used as the voltage output terminal of the power control circuit 4 of the control unit, and the source of the fourth switching tube Q206 is connected to the power output terminal 12 of the voltage stabilizing circuit 1 Since the current of the P-channel field effect transistor flows from the source to the drain, when the third switch Q205 receives the voltage signal from the standby control module 2, the first switch Q201 is turned on, and the voltage signal flows to the fourth The gate of the switching tube Q206, and then the drain and source of the fourth switching tube Q206 are turned on, so that the voltage output terminal of the control unit power control circuit 4 is connected with the power output terminal 12 of the voltage stabilizing circuit 1, and the control unit power control circuit 4 Power the control unit.

A step-down circuit 7 is also provided between the control unit power supply control circuit 4 and the voltage stabilizing circuit 1, and the step-down circuit 7 includes a step-down and stabilizing chip U203, and the input terminal of the step-down and stabilizing chip U203 It is connected to the power supply output terminal 12 of the voltage stabilizing circuit 1, and the output terminal of the step-down voltage stabilizing chip U203 is connected to the drain of the fourth switch Q206. Further, the voltage stabilizing circuit 1 is connected to a 5V power supply, and its power supply output terminal 12 outputs a voltage of 5V. The voltage required by the control unit is 3.3V, and the voltage of 5V can be converted to 3.3V by the step-down circuit 7 The voltage is suitable for the use of the control unit.

The step-down circuit 7 also includes a number of second filter modules (not marked, the same below) connected to the input and output ends of the step-down regulator chip U203. The structure of the second filter module is the same as that of the first filter module. Similarly, the second filter module includes a capacitor with one end connected to the step-down regulator chip and the other end connected to the ground.

In addition, the control unit power control circuit 4 is electrically connected to the peripheral power control circuit 5 and the wall module power control circuit 6, so that after the control unit is woken up, it can output a corresponding control signal to drive the voltage regulator circuit 1 as a peripheral and along the wall module access power supply.

The power required by the peripheral is also 3.3V, so it is also connected to the voltage stabilizing circuit 1 through the step-down circuit 7 . The peripheral power supply control circuit 5 includes a fifth switching tube Q203 and a sixth switching tube Q204 connected to each other. Preferably, the fifth switching tube Q203 and the sixth switching tube Q204 in this embodiment are field effect tubes, specifically Specifically, the fifth switching transistor Q203 is an N-channel field effect transistor, and the sixth switching transistor Q204 is a P-channel field effect transistor. The gate of the fifth switching transistor Q203 is used as a peripheral signal receiving terminal for receiving the voltage signal from the control unit, the source of the fifth switching transistor Q203 is grounded, and the drain of the fifth switching transistor Q203 is connected to the The gate of the sixth switching transistor Q204 is connected, the source of the sixth switching transistor Q204 is connected to the output terminal of the step-down circuit 7, and the drain of the sixth switching transistor Q204 is used as the voltage output of the peripheral power supply control circuit 5 end. When the gate of the fifth switching transistor Q203 receives a voltage signal from the control unit, the fifth switching transistor Q203 is turned on, and the voltage signal flows through the collector of the fifth switching transistor Q203 to the gate of the sixth switching transistor Q204 , since the sixth switching transistor Q204 is a P-channel field effect transistor, the current flows from the source to the drain of the sixth switching transistor Q204, so that the output terminal of the step-down circuit 7 is connected to the voltage output terminal of the peripheral power supply control circuit 5, Then the voltage output terminal of the peripheral power supply control circuit 5 outputs a voltage of 3.3V.

The power control circuit 6 of the wall-mounted module includes a second chip U202, the input end of the second chip U202 is connected to the power output end 12 of the voltage stabilizing circuit 1, that is, the power control circuit 3 of the control unit of the filter circuit 15 is far away from the voltage stabilizing circuit 3. One end of the chip is connected, the output end of the second chip U202 is used as the voltage output end of the wall module power control circuit 6, and the second chip U202 is provided with an edge for receiving the voltage signal of the peripheral power control circuit 5 Wall module signal receiving end. When the signal receiving end of the wall-mounting module receives the voltage signal when the peripheral device is turned on, the voltage enters from the input end of the second chip U202, and the output voltage is used to supply power for the wall-mounting module. Preferably, the model of the second chip U202 in this embodiment is TLV70028DCK, which has the function of stepping down and stabilizing the voltage passing through it, and then the voltage of 5V is converted into a regulated voltage output of 2.8V after passing through the second chip U202 , to meet the power supply requirements of the modules along the wall.

The operating principle and working process of the standby control circuit of the present invention are as follows:

When the voltage stabilizing circuit 1 in the standby control circuit receives the standby command, the voltage stabilizing chip U201 converts the standby command into a standby control command and sends it to the standby control module 2 to control the voltage stabilizing circuit 1 and the radar through the standby control module 2. The power supply control circuit 3 and the control unit power supply control circuit 4 are disconnected, so that during the standby process, the power supply only supplies power to the standby control unit, and other power supply modules such as radar modules, control units, peripherals and wall-mounted modules are all in a closed state , in order to achieve the role of energy saving.

When work is required, different voltage signals are correspondingly input through the standby control module 2 through the radar control terminal 23 and the control unit control terminal 24 to wake up the radar power control circuit 3 and the control unit power control circuit 4 to provide power for the radar and the control unit.

Subsequently, a voltage signal is input into the peripheral power supply control circuit 5 through the turned-on control unit, so that the voltage output terminal of the peripheral power supply control circuit 5 is connected to the power output terminal 12 of the voltage stabilizing circuit 1, so as to realize power supply to the peripheral equipment .

Similarly, when the peripherals are turned on, the control unit then inputs a corresponding voltage signal to the power control circuit 6 of the wall module, so that the second chip U202 of the power control circuit 6 of the wall module outputs a voltage to supply power to the wall module.

The power supply of each module circuit is controlled by the standby control module 2, so as to realize low energy consumption of the electrical equipment during the standby process, achieve the purpose of saving power, and prolong the use time of the electrical equipment.

The present invention also relates to a sweeping robot, which includes the standby control circuit as described above, so as to reduce power consumption during the standby process, prolong the use time after each charge, and achieve low energy consumption, energy saving and environmental protection.

The above descriptions are only part of the embodiments of the present invention. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principles of the present invention. It should be regarded as the protection scope of the present invention.

The above descriptions are only part of the embodiments of the present invention. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principles of the present invention. It should be regarded as the protection scope of the present invention.

Claims (13)

1. A standby control circuit, comprising a voltage stabilizing circuit for being connected with a power supply, a radar power supply control circuit and a control unit power supply control circuit all connected with a voltage stabilizing circuit, it is characterized in that: it also includes a standby control module, the standby The control module includes a voltage input terminal connected to the voltage stabilizing circuit, a radar control terminal and a control unit control terminal corresponding to the radar power control circuit and the control unit control circuit, and the radar control terminal and the control unit control terminal are respectively used for outputting corresponding The control signal is to turn on the path between the voltage stabilizing circuit and the radar power control circuit and the control unit power control circuit to correspondingly wake up the radar and/or the control unit; Wherein, the voltage stabilizing circuit includes a voltage stabilizing chip, and the voltage stabilizing chip includes a power supply input terminal, a standby signal receiving terminal and a power supply output terminal, the power supply input terminal is used for connecting with a power supply, and the power supply output terminal is connected to the radar power supply The control circuit, the control unit power supply control circuit and the power supply terminal of the standby control module are all connected, and the standby signal receiving terminal is used to only output the power supply voltage to the standby control module after receiving the standby command. 2. The standby control circuit according to claim 1, characterized in that: it also includes a peripheral power control circuit and a wall-mounted module power control circuit both electrically connected to the voltage stabilizing circuit, and the power control circuit of the control unit is connected with the peripheral The power control circuit is electrically connected with the power control circuit of the wall-mounted module, so that when the control unit is woken up, it can output a corresponding control signal to drive the voltage regulator circuit to connect the peripherals and the wall-mounted module with power. 3. The standby control circuit according to claim 1, characterized in that: the power supply input terminal and the standby signal receiving terminal of the voltage stabilizing circuit are connected with a first filter module, and the first filter module includes a terminal connected to a voltage input terminal And the capacitor connected to the receiving end of the standby signal and the other end is grounded. 4. The standby control circuit according to claim 1, characterized in that: the voltage stabilizing circuit further comprises a filter circuit connected to the power output end of the voltage stabilizing chip, and the filtering circuit is connected to the power output end of the voltage stabilizing chip And between the radar power control circuit, the control unit power control circuit and the power supply terminal of the standby control module. 5. The standby control circuit according to claim 4, wherein the filter circuit comprises a filter resistor, a filter capacitor and a filter inductor arranged in series. 6. The standby control circuit according to claim 1, characterized in that: the radar power supply control circuit includes a first switch tube and a second switch tube connected to each other, the first switch tube and the standby control module The radar control terminal is connected, one end of the first switch tube is grounded, one end of the first switch tube connected to the second switch tube is used to output a voltage signal to the second switch tube, and the second switch tube is used to receive the voltage The signal is used to conduct the power supply output terminal of the voltage stabilizing circuit and the voltage output terminal of the radar power supply control circuit. 7. The standby control circuit according to claim 2, characterized in that: the control unit control circuit includes a third switch tube and a fourth switch tube connected to each other, and the third switch tube is controlled by the control unit of the electrode control module. one end of the third switching tube is grounded, and one end of the third switching tube connected to the fourth switching tube is used to output a voltage signal to the fourth switching tube, and the fourth switching tube is used to receive the voltage signal to The power supply output terminal of the voltage stabilizing circuit and the voltage output terminal of the power control circuit of the control unit are turned on. 8. The standby control circuit according to claim 7, wherein a step-down circuit is provided between the power control circuit of the control unit and the voltage stabilizing circuit. 9. The standby control circuit according to claim 8, characterized in that: the step-down circuit includes a step-down regulator chip, the input terminal of the step-down regulator chip is connected to the voltage output terminal of the voltage regulator circuit, and the The output end of the step-down regulator chip is connected to the fourth switch tube. 10. The standby control circuit according to claim 9, characterized in that: both the input terminal and the output terminal of the step-down regulator chip are connected with a second filtering module. 11. The standby control circuit according to claim 9, characterized in that: the peripheral power supply control circuit includes a fifth switching tube and a sixth switching tube connected to each other, and the fifth switching tube is provided with a power supply for receiving the control unit The peripheral power supply signal receiving end of the voltage output signal of the control circuit, one end of the fifth switching tube is grounded, and one end of the fifth switching tube connected to the sixth switching tube is used to output the voltage signal to the sixth switching tube, The sixth switch tube receives the voltage signal and is used to conduct the output terminal of the step-down regulator chip and the voltage output terminal of the peripheral power supply control circuit. 12. The standby control circuit according to claim 2, characterized in that: the wall-mounted module power supply control circuit includes a second chip, the input end of the second chip is connected to the output end of the voltage stabilizing circuit, and the first chip The output end of the second chip is used as the voltage output end of the power supply control circuit of the wall-mounted module, and the second chip is provided with a signal receiving end of the wall-mounted module for receiving the voltage signal of the peripheral power supply control module. 13. A sweeping robot, characterized by comprising the standby control circuit according to any one of claims 1-12.

Images