Charging circuit of group control robot

Abstract

The utility model provides a charging circuit of group control robots. The charging circuit comprises a charging chip, a protection circuit, an LED circuit, a filter circuit and a power supply interface. The power supply interface is used for being connected with an external power supply, and the charging chip is electrically connected with the protection circuit, the LED circuit and the filter circuit. The protection circuit is used for protecting the voltage output by the charging chip and then outputting the voltage, the LED circuit is used for carrying out light-emitting indication on the charging chip, and the filter circuit is used for carrying out filtering processing on an external power supply; the protection circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first inductor, a first resistor, a second resistor and a thermistor; the charging chip is responsible for controlling the voltage, the current and the charging stage in the charging process, it is ensured that the battery is safely charged in the modes of constant current, constant voltage, trickle current and the like, and over-charging or over-discharging is prevented. The charging device is good in charging effect and high in reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of group control robot, concretely relates to a charging circuit of group control robot. BACKGROUND

[0002] With the continuous development of electronic information technology, automatic control technology, sensor technology, the robot is widely applied in the field of industrial manufacturing, medical treatment and life service. In order to perform more complex tasks and adapt to uncertain environment, the structure and function of the robot are required to be more and more complex, and its failure rate, manufacturing and maintenance cost are also increased, and single robot gradually cannot satisfy the demand of complex task. Compared with single robot, cluster robot can complete complex task through the simple interaction of multiple robots in the cluster, has the advantages such as simple function, low cost, redundancy, scalability and high robustness.

[0003] At present, many cluster control methods are proposed for different types of clusters in the air, water surface, ground and the like. However, due to the large number of cluster robots, the corresponding test cost and risk are large, and the endurance of the robot also needs to be strengthened. However, when realizing the automatic charging of the robot, the prior art mainly adopts the mode of infrared communication, carrier communication or multi-electrode contact to complete the charging between the robot and the charging electrode. The charging pile communication control circuit is connected with the robot communication control circuit through the communication electrode, realizes the communication function, and completes the charging between the robot and the charging electrode. However, this direct charging of the pile is easy to cause overcharging or overdischarging of the robot, the charging control effect is poor, and the safety is low. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of charging circuit of group control robot, to solve the problem of poor robot charging effect and low safety of existing.

[0005] The utility model embodiment provides a kind of charging circuit of group control robot, including: charging chip, protection circuit, LED circuit, filter circuit and power supply interface;The power supply interface is used to connect external power supply, and the charging chip is electrically connected with the protection circuit, the LED circuit and the filter circuit respectively;The protection circuit is used to protect the voltage output by the charging chip and output, the LED circuit is used to emit light indication for the working of the charging chip, and the filter circuit is used to filter processing to the external power supply;

[0006] The protection circuit includes first capacitor, second capacitor, third capacitor, fourth capacitor, fifth capacitor, first inductor, first resistor, second resistor and thermistor;

[0007] The first end of the first capacitor is connected with the first end of the second capacitor, the first end of the third capacitor and the first end of the fourth capacitor and grounded; the second end of the first capacitor is connected with the second end of the second capacitor, the first end of the first inductor, the first end of the second resistor and the pin 2 of the charging chip respectively; the second end of the third capacitor is connected with the pin 7 and the pin 8 of the charging chip respectively; the second end of the fourth capacitor is connected with the pin 9 of the charging chip; the first end of the fifth capacitor is connected with the second end of the first inductor, and the second end of the fifth capacitor is connected with the pin 3 of the charging chip; the second end of the second resistor is connected with the pin 1 of the charging chip and the first end of the first resistor respectively, the second end of the first resistor is connected with the first end of the thermistor, and the second end of the thermistor is grounded.

[0008] Preferably, the LED circuit comprises a first light emitting diode, a second light emitting diode, a third resistor, a fourth resistor and a fifth resistor.

[0009] The first end of the third resistor is connected with the pin 16 of the charging chip, the second end of the third resistor is connected with the first end of the second resistor, the first end of the fourth resistor and the first end of the fifth resistor respectively, the second end of the fourth resistor is connected with the positive electrode of the first light emitting diode, the second end of the fifth resistor is connected with the positive electrode of the second light emitting diode, and the negative electrode of the first light emitting diode and the negative electrode of the second light emitting diode are connected with the pin 14 and the pin 13 of the charging chip respectively.

[0010] Preferably, the filter circuit comprises a sixth capacitor and a sixth resistor, the first end of the sixth capacitor is connected with the first end of the sixth resistor and grounded; the second end of the sixth capacitor is connected with the pin 12 of the charging chip, and the second end of the sixth resistor is connected with the pin 11 of the charging chip.

[0011] Preferably, the charging circuit of the group control robot further comprises a seventh resistor, the first end of the seventh resistor is connected with the power supply interface, and the second end of the seventh resistor is connected with the first end of the fifth resistor.

[0012] Preferably, the model of the charging chip is SLM6800 chip.

[0013] Compared with the prior art, the utility model discloses the beneficial effect lies in, through the power supply interface is used to connect external power supply, charging chip is connected with protection circuit, LED circuit and filter circuit respectively, protection circuit is used to the voltage of the output of charging chip protection and exports, LED circuit is used for the light indication of charging chip work, filter circuit is used for the filter processing of external power supply, the first end of the first capacitor of protection circuit is connected with the first end of second capacitor, the first end of third capacitor and the first end of fourth capacitor and is grounded, the second end of first capacitor is connected second capacitor's second end, first inductance's first end, second resistance's first end and charging chip's pin 2 respectively, the second end of third capacitor is connected charging chip's pin 7 and pin 8 respectively, the second end of fourth capacitor is connected charging chip's pin 9, the first end of fifth capacitor is connected first inductance's second end, and the second end of fifth capacitor is connected charging chip's pin 3, the second end of second resistance is connected charging chip's pin 1 and first resistance's first end respectively, the second end of first resistance is connected thermistor's first end, and thermistor's second end is grounded. In this way, through the voltage, current and charging stage of responsibility control in the charging process of charging chip, ensure the safe charging of battery in constant current, constant voltage, trickle current mode, prevent overcharge or overdischarge. Utilize boost conversion technology, adjust the input voltage of external power supply to 7.4v voltage suitable for battery charging. The chip integrates the circuit for monitoring charging current, ensures charging in the specified range, prevents damage caused by short circuit or overcurrent at the same time. Through reasonable layout and thermoelement, guarantee the temperature control of charging module when working, prevent overheating from causing circuit failure. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be described in detail below in combination with the drawings. The above or other aspects of the utility model will become clearer and more easily understood through the following detailed description in combination with the drawings. In the drawings:

[0015] Figure 1 It is the circuit diagram of the charging circuit of the group control robot that the utility model embodiment provides. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following combines the drawings and embodiment, and the utility model is further described in detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0017] Combine the drawings Figure 1As shown, the utility model embodiment provides a kind of charging circuit of group control robot, comprising: charging chip U94, protection circuit 1, LED circuit 2, filter circuit 3 and power supply interface SW9;The power supply interface SW9 is used to connect external power supply VCC, the charging chip U94 is respectively electrically connected with the protection circuit 1, the LED circuit 2 and the filter circuit 3;The protection circuit 1 is used to output after the voltage output by the charging chip U94 is protected, the LED circuit 2 is used to emit light indication for the working of the charging chip U94, the filter circuit 3 is used to filter processing to the external power supply.

[0018] The protection circuit 1 includes first capacitor C1, second capacitor C2, third capacitor C3, fourth capacitor C4, fifth capacitor C5, first inductor L1, first resistor R1, second resistor R2 and thermistor NTC1.

[0019] The first end of the first capacitor C1 is connected with the first end of the second capacitor C2, the first end of the third capacitor C3 and the first end of the fourth capacitor C4 and grounded;The second end of the first capacitor C1 is respectively connected with the second end of the second capacitor C2, the first end of the first inductor L1, the first end of the second resistor R2 and the pin 2 of the charging chip U94, the second end of the third capacitor C3 is respectively connected with the pin 7 and pin 8 of the charging chip U94;The second end of the fourth capacitor C4 is connected with the pin 9 of the charging chip U94;The first end of the fifth capacitor C5 is connected with the second end of the first inductor L1, and the second end of the fifth capacitor C5 is connected with the pin 3 of the charging chip U94;The second end of the second resistor R2 is respectively connected with the pin 1 of the charging chip U94 and the first end of the first resistor R1, the second end of the first resistor R1 is connected with the first end of the thermistor NTC1, and the second end of the thermistor NTC1 is grounded.

[0020] Specifically, by using the power supply interface SW9 to connect the external power supply, the charging chip U94 is electrically connected with the protection circuit 1, the LED circuit 2 and the filter circuit 3 respectively; the protection circuit 1 is used to protect and output the voltage output by the charging chip U94, the LED circuit 2 is used to indicate the light for the working of the charging chip U94, and the filter circuit 3 is used to filter the external power supply; the first end of the first capacitor C1 of the protection circuit 1 is connected with the first end of the second capacitor C2, the first end of the third capacitor C3 and the first end of the fourth capacitor C4 and grounded; the second end of the first capacitor C1 is connected with the second end of the second capacitor C2, the first end of the first inductor L1, the first end of the second resistor R2 and the pin 2 of the charging chip U94 respectively; the second end of the third capacitor C3 is connected with the pin 7 and the pin 8 of the charging chip U94 respectively; the second end of the fourth capacitor C4 is connected with the pin 9 of the charging chip U94; the first end of the fifth capacitor C5 is connected with the second end of the first inductor L1, and the second end of the fifth capacitor C5 is connected with the pin 3 of the charging chip U94; the second end of the second resistor R2 is connected with the pin 1 of the charging chip U94 and the first end of the first resistor R1 respectively, and the second end of the first resistor R1 is connected with the first end of the thermistor NTC1, and the second end of the thermistor NTC1 is grounded. In this way, the charging chip U94 is responsible for controlling the voltage, current and charging stage in the charging process, ensuring that the battery is safely charged in constant current, constant voltage, trickle current and other modes, and preventing overcharging or overdischarging. By using the boost conversion technology, the input voltage of the external power supply is adjusted to 7.4v voltage suitable for battery charging. The chip integrates a circuit for monitoring the charging current, ensuring charging within the specified range, while preventing damage caused by short circuit or overcurrent. Through reasonable layout and thermosensitive elements, the temperature control of the charging module during work is guaranteed, and overheating leading to circuit failure is prevented.

[0021] In the embodiment, the LED circuit 2 includes a first light emitting diode LED1, a second light emitting diode LED2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5.

[0022] The first end of the third resistor R3 is connected with the pin 16 of the charging chip U94, the second end of the third resistor R3 is connected with the first end of the second resistor R2, the first end of the fourth resistor R4 and the first end of the fifth resistor R5 respectively, the second end of the fourth resistor R4 is connected with the positive electrode of the first light emitting diode LED1, the second end of the fifth resistor R5 is connected with the positive electrode of the second light emitting diode LED2, and the negative electrode of the first light emitting diode LED1 and the negative electrode of the second light emitting diode LED2 are connected with the pin 14 and the pin 13 of the charging chip U94 respectively. Different power signal indications are realized by the first light emitting diode LED1 and the second light emitting diode LED2, the charging effect is good, and the safety is high.

[0023] In the embodiment, the filter circuit 3 comprises a sixth capacitor C6 and a sixth resistor R6, a first end of the sixth capacitor C6 is connected with a first end of the sixth resistor R6 and grounded, a second end of the sixth capacitor C6 is connected with a pin 12 of the charging chip U94, and a second end of the sixth resistor R6 is connected with a pin 11 of the charging chip U94.

[0024] In the embodiment, the charging circuit of the group control robot further comprises a seventh resistor R7, a first end of the seventh resistor R7 is connected with the power supply interface SW9, and a second end of the seventh resistor R7 is connected with a first end of the fifth resistor R5.

[0025] In the embodiment, the model of the charging chip U94 is SLM6800 chip. The SLM6800 chip is responsible for controlling the voltage, current and charging stage in the charging process, ensuring the safe charging of the battery in the constant current, constant voltage, trickle current and other modes, and preventing overcharging or overdischarging.

[0026] It should be noted that in this document, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, articles or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, articles or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of other identical elements in the process, article or device comprising the element.

[0027] The embodiments of the utility model are described above in combination with the drawings, the disclosed is only the preferred embodiment of the utility model, but the utility model is not limited to the above-mentioned specific implementation, the above-mentioned specific implementation is only illustrative, and is not restrictive, and the person skilled in the art can make a lot of forms under the inspiration of the utility model, such as equivalent changes, without departing from the purpose of the utility model and the scope of protection of the claims, all belong to the protection of the utility model.

Claims

1. A charging circuit for a group control robot, characterized by comprising: The application relates to a charging circuit for a group control robot. The charging circuit comprises a charging chip, a protection circuit, an LED circuit, a filter circuit and a power supply interface. The power supply interface is used for connecting an external power supply, and the charging chip is electrically connected with the protection circuit, the LED circuit and the filter circuit respectively. The protection circuit comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first inductor, a first resistor, a second resistor and a thermistor. The first end of the first capacitor is connected with the first end of the second capacitor, the first end of the third capacitor and the first end of the fourth capacitor and grounded.

2. The charging circuit of the group control robot according to claim 1, wherein The second end of the first capacitor is connected with the second end of the second capacitor, the first end of the first inductor, the first end of the second resistor and a pin 2 of the charging chip respectively. The second end of the third capacitor is connected with a pin 7 and a pin 8 of the charging chip respectively.

3. The charging circuit for the group control robot according to claim 1, wherein The second end of the fourth capacitor is connected with a pin 9 of the charging chip.

4. The charging circuit for the group control robot according to claim 2, wherein The first end of the fifth capacitor is connected with the second end of the first inductor, and the second end of the fifth capacitor is connected with a pin 3 of the charging chip.

5. The charging circuit for the group control robot according to claim 1, wherein The second end of the second resistor is connected with a pin 1 of the charging chip and the first end of the first resistor respectively. The second end of the first resistor is connected with the first end of the thermistor, and the second end of the thermistor is grounded. The LED circuit comprises a first LED, a second LED, a third resistor, a fourth resistor and a fifth resistor. The first end of the third resistor is connected with a pin 16 of the charging chip. The second end of the third resistor is connected with the first end of the second resistor, the first end of the fourth resistor and the first end of the fifth resistor respectively. The second end of the fourth resistor is connected with the positive electrode of the first LED. The second end of the fifth resistor is connected with the positive electrode of the second LED. The negative electrode of the first LED and the negative electrode of the second LED are connected with a pin 14 and a pin 13 of the charging chip respectively. The filter circuit comprises a sixth capacitor and a sixth resistor. The first end of the sixth capacitor is connected with the first end of the sixth resistor and grounded. The second end of the sixth capacitor is connected with a pin 12 of the charging chip. The second end of the sixth resistor is connected with a pin 11 of the charging chip. The charging circuit for the group control robot further comprises a seventh resistor. The first end of the seventh resistor is connected with the power supply interface. The second end of the seventh resistor is connected with the first end of the fifth resistor. The model of the charging chip is SLM6800 chip.

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