CN216959365U - Robot charging circuit and robot - Google Patents
Robot charging circuit and robot Download PDFInfo
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- CN216959365U CN216959365U CN202123265243.2U CN202123265243U CN216959365U CN 216959365 U CN216959365 U CN 216959365U CN 202123265243 U CN202123265243 U CN 202123265243U CN 216959365 U CN216959365 U CN 216959365U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The utility model provides a robot charging circuit and a robot, comprising a first switch, a second switch, a diode group and a pre-charging resistor; the third end of the first switch is used for connecting a battery in the robot, the second end of the first switch is connected with the second end of the second switch, the third end of the second switch is used for connecting a charging electrode of the robot, and the first end of the first switch and the first end of the second switch are both used for connecting a control module in the robot; the cathode of the diode group is connected with the third end of the first switch, the anode of the diode group is connected with the second end of the first switch, and the pre-charging resistor is connected between the second end and the third end of the second switch in parallel. The utility model also provides a robot. The robot charging circuit and the robot provided by the utility model realize the functions of charging the internal battery and reversely charging the external electric equipment, can supply power to the external passive equipment, and improve the applicability of the robot in various scenes.
Description
[ technical field ] A
The utility model relates to the technical field of robots, in particular to a robot charging circuit and a robot.
[ background of the utility model ]
At present, robots with functions of intelligent distribution and the like are widely applied to production and life of people. Usually, two charging electrode (anodal and negative pole) are equipped with on the robot, can fill electric pile through automatic navigation look for when robot voltage is not enough, and accurate butt joint position is confirmed behind the laser sensor light passing through reflector, and the charging electrode of robot with fill electric pile electrode connection in order to realize the function of charging.
However, when a passive device that is not convenient to be connected with a power supply needs to be powered, it is desirable that the robot can reversely charge the passive device so that the passive device can perform corresponding functions, such as motor action, communication, display and the like.
In view of the above, it is desirable to provide a novel robot charging circuit and a robot to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims to provide a robot charging circuit and a robot, which realize the functions of charging an internal battery and reversely charging external electric equipment, can supply power to external passive equipment, and improve the applicability of the robot in various scenes.
In order to achieve the above object, in a first aspect, the present invention provides a robot charging circuit, including a first switch, a second switch, a diode set, and a pre-charging resistor; the third end of the first switch is used for connecting a battery in the robot, the second end of the first switch is connected with the second end of the second switch, the third end of the second switch is used for connecting a charging electrode of the robot, and the first end of the first switch and the first end of the second switch are both used for connecting a control module in the robot; the cathode of the diode group is connected with the third end of the first switch, the anode of the diode group is connected with the second end of the first switch, and the pre-charging resistor is connected between the second end and the third end of the second switch in parallel; when the charging electrode is connected to a charging pile, the first switch and the second switch are switched off, and the charging pile charges the battery through the pre-charging resistor and the diode group; when the charging electrode is connected with an electric device, the control module sends a control signal to enable the first switch and the second switch to be conducted, and the battery supplies power to the electric device through the first switch and the second switch.
In a preferred embodiment, a first end of the first switch is connected to the control module through a first photocoupler.
In a preferred embodiment, a first end of the second switch is connected to the control module through a second photocoupler.
In a preferred embodiment, the charging electrode is connected to a first resistor, a second resistor, a third resistor, and a thermistor.
In a preferred embodiment, a TVS tube is further connected to the charging electrode.
In a preferred embodiment, the first switch and the second switch are both P-type MOS transistors.
In a preferred embodiment, first ends of the first switch and the second switch are gates of P-type MOS transistors, second ends of the first switch and the second switch are drains of the P-type MOS transistors, and third ends of the first switch and the second switch are sources of the P-type MOS transistors.
In a second aspect, the utility model also provides a robot comprising a robot charging circuit as described in any one of the above.
Compared with the prior art, the robot charging circuit and the robot provided by the utility model have the advantages that the first switch, the second switch, the diode group and the pre-charging resistor are arranged, so that when the charging electrode is connected into the charging pile, the charging pile charges the battery in the robot through the pre-charging resistor and the diode group, and when the charging electrode is connected into the electric equipment, the battery supplies power to the electric equipment through the first switch and the second switch, namely, the functions of charging the internal battery and reversely charging the external electric equipment are realized, the power can be supplied to the external passive equipment, and the applicability of the robot in various scenes is improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a circuit diagram of a robot charging circuit according to the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a robot charging circuit 100, which is applied to a robot with intelligent distribution functions and the like, for charging and reversely charging the robot. Specifically, the robot charging circuit 100 includes a first switch Q1, a second switch Q2, a diode group 10, and a pre-charging resistor 20.
The third terminal of the first switch Q1 is used for connecting a battery (not shown) in the robot, specifically, the third terminal of the first switch Q1 is connected to a battery interface CN1, and the battery interface CN1 is further connected to the battery. A second terminal of the first switch Q1 is connected to a second terminal of the second switch Q2, a third terminal of the second switch Q2 is used for connecting a charging electrode (not shown) of the robot, specifically, the third terminal of the second switch Q2 is connected to a charging electrode interface CN2, and the charging electrode interface CN2 is used for further charging the charging electrode. The first terminal of the first switch Q1 and the first terminal of the second switch Q2 are both used to connect to a control module (not shown) within the robot. The cathode of the diode group 10 is connected to the third terminal of the first switch Q1, the anode of the diode group 10 is connected to the second terminal of the first switch Q1, and the pre-charging resistor 20 is connected in parallel between the second terminal and the third terminal of the second switch Q2. Specifically, a battery interface CN1 is a power supply port of a battery in the robot, a 48V/8AH battery is adopted for charging and discharging, a charging electrode interface CN2 is an interface of a charging electrode of the robot, and is externally connected with a charging electrode slice which can be in butt joint with a charging pile for charging, supplying power for external cooperative equipment and the like.
When the charging electrode is connected to a charging pile, the first switch Q1 and the second switch Q2 are turned off, and the charging pile charges the battery through the pre-charging resistor 10 and the diode group 20. When the charging electrode is connected to an electric device, the control module sends out a control signal to enable the first switch Q1 and the second switch Q2 to be conducted, and the battery supplies power to the electric device through the first switch Q1 and the second switch Q2.
Therefore, according to the robot charging circuit 100 provided by the utility model, by arranging the first switch Q1, the second switch Q2, the diode group 10 and the pre-charging resistor 20, when the charging electrode is connected to a charging pile, the charging pile charges the battery in the robot through the pre-charging resistor 10 and the diode group 20, and when the charging electrode is connected to the electric equipment, the battery supplies power to the electric equipment through the first switch Q1 and the second switch Q2, that is, the functions of charging the battery and reversely charging the electric equipment are realized, the power can be supplied to the external passive equipment, and the applicability of the robot in various scenes is improved.
In this embodiment, the first switch Q1 and the second switch Q2 are both P-type MOS transistors, specifically, high-power MOS transistors. First ends of the first switch Q1 and the second switch Q2 are gates of P-type MOS transistors, second ends of the first switch Q1 and the second switch Q2 are drains of the P-type MOS transistors, and third ends of the first switch Q1 and the second switch Q2 are sources of the P-type MOS transistors. It can be understood that the first switch Q1 is a high power MOS transistor, and the MOS transistor is turned off when the battery of the robot is charged; the second switch Q2 is a high-power MOS tube, and is cut off instantly when the charging electrode is connected with the pile, so as to prevent the electrode from being burnt out by sparking when the instant large current is connected.
The diode group 10 has a unidirectional conductivity, and specifically, the diode group 10 includes a plurality of diodes connected in parallel, an anode of the plurality of diodes connected in parallel is an anode of the diode group 10, and a cathode of the plurality of diodes connected in parallel is a cathode of the diode group 10. When the batteries in the robot are charging, current flows through diode bank 10 to charge the batteries, and when not charging, the battery voltage is isolated by diode bank 10 and does not flow to charging electrode interface CN 2. The robot charging control circuit is provided with a one-way conduction circuit, the charging electrode is free of power supply after the robot is charged and leaves the charging pile, and the electrode is suspended through circuit control.
In the present embodiment, the pre-charge resistor 20 includes a first pre-charge resistor RNTC1 and a second pre-charge resistor RNTC2 connected in parallel, and specifically, the first pre-charge resistor RNTC1 and the second pre-charge resistor RNTC2 are negative temperature coefficient thermistors. The pre-charging resistor 20 is connected in parallel to the second switch Q2, and when the second switch Q2 is turned off, the charging electrode charges the post, and the current flows through the first pre-charging resistor RNTC1 and the second pre-charging resistor RNTC2, thereby pre-charging the battery.
Further, a first end of the first switch Q1 is connected to the control module through a first photocoupler U1, a first end of the second switch Q2 is connected to the control module through a second photocoupler U2, and the control module is an MCU (micro controller Unit). Specifically, the CHAG _ OUT terminal of the first photocoupler U1 is connected to a GPIO (General-purpose input/output) port of the MCU, the CHAG terminal of the second photocoupler U2 is connected to the GPIO port of the MCU, and the first photocoupler U1 and the second photocoupler U2 realize isolation control of the high-voltage and low-voltage power supplies to turn on and off the first switch Q1/the second switch Q2.
When external cooperative passive equipment needs to be docked, after the robot can precisely dock the electrode of the electric equipment through navigation, the MCU of the charging management simultaneously outputs an L level (namely a low level) to the CHAG end and the CHAG _ OUT end through the GPIO port, the grid level of the first switch Q1/the second switch Q2 is pulled down through the first photoelectric coupler U1 and the second photoelectric coupler U2, the first switch Q1/the second switch Q2 are simultaneously conducted, the power supply of the battery is output to the charging electrode through the battery interface CN1, the first switch Q1, the second switch Q2 and the charging electrode interface CN2, and the power supply is supplied to the electric equipment. Namely, the battery power supply is controlled to be turned on by the MCU in the robot to be output to the charging electrode of the robot, and the external cooperative equipment is reversely powered. As can be understood, the charging power of 48V/20A can be realized, and the corresponding function can be realized after the external cooperative equipment is powered.
Further, a TVS tube D5 is connected to the charging electrode. Specifically, charging electrode interface CN2 is connected to the one end of TVS pipe D5, and the other end ground connection of TVS pipe D5, and TVS pipe D5 can eliminate the outside harm that produces the static high voltage to the circuit with the contact in the twinkling of an eye of motor, and when external voltage input exceeded 60V, TVS pipe D5 punctures and switches on the protection circuit and avoids high-voltage impact.
In this embodiment, the robot charging circuit 100 further includes a diode D4, a diode DZ2, a plurality of peripheral resistors, and a capacitor, and the connection modes of the diode D4, the diode DZ2, the plurality of peripheral resistors, and the capacitor are as shown in the figure. The circuit composed of the diode D4, the diode DZ2, the plurality of peripheral resistors and the capacitor can ensure that the second switch Q2 is in a cut-off (turn-off) state before the MCU is started, and ensure that the second switch Q2 is in a slow turn-on (slow start) state when the MCU is started, so that the safety of the circuit is improved.
The charging electrode is connected with a first resistor R1, a second resistor R2, a third resistor R3 and a thermistor RM 3. Specifically, one end of each of the first resistor R1, the second resistor R2 and the third resistor R3 is connected to the charging electrode interface CN2, the other end of each of the first resistor R1, the second resistor R2 and the third resistor R3 is grounded, one end of the thermistor RM3 is connected to the charging electrode interface CN2, and the other end of the thermistor RM3 is grounded. The first resistor R1, the second resistor R2, the third resistor R3 and the thermistor RM3 form a discharging loop, and residual charges stored in a capacitor in the circuit are released when the charging loop is disconnected, so that electric sparks to the pile are reduced.
The present invention also provides a robot including the robot charging circuit according to any one of the above embodiments, for example, a robot having an intelligent distribution function. It should be noted that all embodiments of the robot charging circuit provided by the present invention are applicable to the robot provided by the present invention, and can achieve the same or similar technical effects.
In summary, according to the robot charging circuit 100 and the robot provided by the utility model, by providing the first switch Q1, the second switch Q2, the diode group 10 and the pre-charging resistor 20, when the charging electrode is connected to a charging pile, the charging pile charges the battery in the robot through the pre-charging resistor 10 and the diode group 20, and when the charging electrode is connected to the electric equipment, the battery supplies power to the electric equipment through the first switch Q1 and the second switch Q2, that is, the functions of charging the battery and reversely charging the electric equipment are realized, so that power can be supplied to the external passive equipment, and the applicability of the robot in various scenes is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A robot charging circuit is characterized by comprising a first switch, a second switch, a diode group and a pre-charging resistor; the third end of the first switch is used for connecting a battery in the robot, the second end of the first switch is connected with the second end of the second switch, the third end of the second switch is used for connecting a charging electrode of the robot, and the first end of the first switch and the first end of the second switch are both used for connecting a control module in the robot; the cathode of the diode group is connected with the third end of the first switch, the anode of the diode group is connected with the second end of the first switch, and the pre-charging resistor is connected between the second end and the third end of the second switch in parallel;
when the charging electrode is connected to a charging pile, the first switch and the second switch are switched off, and the charging pile charges the battery through the pre-charging resistor and the diode group; when the charging electrode is connected with an electric device, the control module sends a control signal to enable the first switch and the second switch to be conducted, and the battery supplies power to the electric device through the first switch and the second switch.
2. The robot charging circuit of claim 1, wherein a first terminal of the first switch is coupled to the control module via a first optocoupler.
3. The robot charging circuit of claim 1, wherein a first terminal of the second switch is coupled to the control module via a second optocoupler.
4. A robot charging circuit according to claim 1, wherein a first resistor, a second resistor, a third resistor and a thermistor are connected to the charging electrode.
5. A robot charging circuit according to claim 1, wherein a TVS tube is further connected to the charging electrode.
6. The robot charging circuit of claim 1, wherein the first switch and the second switch are both P-type MOS transistors.
7. The robot charging circuit of claim 6, wherein first terminals of the first switch and the second switch are gates of P-type MOS transistors, second terminals of the first switch and the second switch are drains of P-type MOS transistors, and third terminals of the first switch and the second switch are sources of P-type MOS transistors.
8. A robot comprising a robot charging circuit according to any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123265243.2U CN216959365U (en) | 2021-12-23 | 2021-12-23 | Robot charging circuit and robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123265243.2U CN216959365U (en) | 2021-12-23 | 2021-12-23 | Robot charging circuit and robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959365U true CN216959365U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123265243.2U Active CN216959365U (en) | 2021-12-23 | 2021-12-23 | Robot charging circuit and robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959365U (en) |
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2021
- 2021-12-23 CN CN202123265243.2U patent/CN216959365U/en active Active
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