Pan-tilt remote control device
By integrating circuits of multiple communication methods into the gimbal remote control device and using the microcontroller control unit, the problem of single communication methods in the prior art is solved, and flexible remote control and parameter query of the gimbal in various application scenarios is realized.
Patent Information
- Application Number
- CN202421698184.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing remote control gimbal device has a single communication method and is difficult to adapt to a variety of practical application scenarios.
A gimbal remote control device is designed, and a single-chip microcomputer is used as a control unit to integrate circuits of various communication methods such as LORA communication, 2.4G radio frequency communication, RS422 interface, RS232 interface and RJ45 interface into the device.
It realizes the adaptability of the gimbal in a variety of practical application scenarios, and can conduct remote control and parameter query through different communication methods, enhancing the operation flexibility and scope of application of the gimbal.
Smart Images
Figure CN222965737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of turntables, and specifically relates to a pan-tilt remote control device. Background Technique
[0002] The statements in this part only provide background technical information related to the utility model, and do not necessarily constitute prior art.
[0003] In the fields of security, monitoring, environmental monitoring, electronic countermeasures, etc., for the purposes of convenient operation or personnel safety, etc., it is necessary to use a remote control device to control the pan-tilt to move, so as to obtain information such as angular position and working status by using the devices carried on the pan-tilt. At present, there are various types of remote control pan-tilt devices, but the communication methods are relatively single and cannot well adapt to various actual application scenarios. Content of the Utility Model
[0004] In order to solve the technical problems existing in the above background technique, the utility model provides a pan-tilt remote control device, which uses a single-chip microcomputer as a control unit and integrates the circuits corresponding to various communication methods inside the device, so that the pan-tilt can adapt to more actual application scenarios.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] The utility model provides a pan-tilt remote control device, including a housing, on which an antenna interface, a communication interface and a charging interface are provided. The antenna interface has a LORA communication antenna and a 2.4G communication antenna. The communication interface includes an RS422 interface, an RS232 interface and an RJ45 interface; the housing has a detachable upper shell and a lower shell, and a control unit is provided in the space between the upper shell and the lower shell; a transceiver circuit corresponding to the antenna interface and an interface circuit corresponding to the communication interface are provided inside the housing, and all the transceiver circuits and interface circuits are connected to the control unit.
[0007] Further, a two-dimensional joystick, a power indicator light, a power button, a display screen and a keyboard are provided on the upper surface of the upper shell.
[0008] Further, the antenna interface, the communication interface and the charging interface are provided on the side of the upper shell or the lower shell.
[0009] Further, the keyboard circuit corresponding to the keyboard is connected to the first GPIO port of the control unit for setting and querying the pan-tilt parameters; the two-dimensional joystick is connected to the second GPIO port of the control unit for pan-tilt control; the display screen is connected to the universal synchronous / asynchronous transceiver UART4 of the control unit to realize the display of the current parameters of the pan-tilt.
[0010] Further, the general synchronous / asynchronous transceiver UART2 of the circuit connection control unit corresponding to the RS422 interface realizes the protection and conversion of RS422 signals to TTL serial port signals;
[0011] The general synchronous / asynchronous transceiver UART3 of the circuit connection control unit corresponding to the RS232 interface realizes the protection and conversion of RS232 signals to TTL serial port signals;
[0012] The general synchronous / asynchronous transceiver UART5 of the circuit connection control unit corresponding to the RJ45 interface realizes the protection and conversion of standard network signals to TTL serial port signals.
[0013] Further, in the antenna interface, the first end of the 2.4G radio frequency transceiver circuit is connected to an external 2.4G communication antenna, and the second end is connected to the general synchronous / asynchronous transceiver UART2 of the control unit, realizing the protection and conversion of 2.4G radio frequency to TTL serial port signals.
[0014] Further, in the antenna interface, the first end of the LORA radio frequency transceiver circuit is connected to an external LORA communication antenna, and the second end is connected to the third GPIO port of the control unit.
[0015] Further, the first end of the battery charging unit is connected to the power indicator light, the second end is connected to the battery, the first end of the power button is connected to the battery, and the second end is connected to the VDD port of the control unit. A charging interface is provided on the battery charging unit.
[0016] Further, the battery charging unit includes a charging management chip U1. The STDBY pin and / CHRG pin of the charging management chip U1 are respectively connected to the corresponding pins of the power indicator light through resistors R1 and R2.
[0017] Further, a parallel connection of capacitor C1 and capacitor C2 is connected to the VIN pin of the charging management chip U1, and both capacitors are grounded; the LX pin of the charging management chip U1 is connected to the BAT pin after being serially connected with inductor L1 and resistor R3; a parallel connection of diode D1, capacitor C3 and capacitor C4 is connected to the GND pin of the charging management chip U1. The other end of diode D1 is connected between the LX pin and inductor L1, the other end of capacitor C3 is connected between inductor L1 and resistor R3, and the other end of capacitor C4 is connected to the BAT pin.
[0018] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:
[0019] Integrate the modules corresponding to various communication methods inside the device, so that the pan-tilt can adapt to more actual application scenarios. After power-on, the keyboard circuit and the two-dimensional joystick cooperate with each other to realize the functions of setting the pan-tilt parameters, selecting the communication method, and querying and transmitting the current angle information and other parameters of the pan-tilt. Various parameters of the pan-tilt are displayed on the display screen; the RS422 interface circuit, RS232 interface circuit, and RJ45 interface circuit realize the wired remote signal transmission of the pan-tilt; the 2.4G radio frequency transceiver circuit (cooperating with the 2.4G radio frequency antenna) and LORA radio frequency transceiver circuit (cooperating with the LORA radio frequency antenna) realize the wireless remote signal transmission of the pan-tilt; the battery charging unit realizes the functions of charging the battery and charging management. Each unit cooperates with each other, and finally realizes the remote wired and wireless control and parameter query and transmission of multiple communication methods for the pan-tilt turntable. Description of the Drawings
[0020] The accompanying drawings forming a part of this utility model are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation to the utility model.
[0021] Figure 1 It is a schematic front structure diagram of the pan-tilt remote control device provided by the utility model;
[0022] Figure 2 It is a schematic back structure diagram of the pan-tilt remote control device provided by the utility model:
[0023] Figure 3 It is a schematic functional architecture diagram of the pan-tilt remote control device provided by the utility model:
[0024] Figure 4 It is a schematic circuit structure diagram of the LORA radio frequency transceiver circuit of the pan-tilt remote control device provided by the utility model;
[0025] Figure 5 It is a schematic circuit structure diagram of the charging unit of the pan-tilt remote control device provided by the utility model.
[0026] In the figure: 1 upper shell, 2 lower shell, 3 two-dimensional joystick, 4 power indicator light, 5 power button, 6 display screen, 7 keyboard, 8 antenna interface, 9 communication interface, 10 charging interface. Detailed Embodiment
[0027] The following further illustrates the utility model in conjunction with the drawings and embodiments.
[0028] It should be noted that the following detailed descriptions are all exemplary and are intended to provide further explanations of the utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the utility model belongs.
[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present utility model. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or their combinations.
[0030] As introduced in the background art, there are various types of remote control pan-tilt devices, but the communication methods are relatively single and cannot well adapt to various actual application scenarios.
[0031] Therefore, the following embodiments provide a pan-tilt remote control device that uses an STM32 single-chip microcomputer as the control unit and integrates the circuits corresponding to various communication methods inside the device, so that the pan-tilt can adapt to more actual application scenarios.
[0032] In this embodiment, as Figure 1 - Figure 2 shown, a pan-tilt remote control device has an upper shell 1 and a lower shell 2. The space enclosed by the upper shell 1 and the lower shell 2 is used to accommodate the control unit. On the upper surface of the upper shell 1, there are a two-dimensional joystick 3, a power indicator light 4, a power button 5, a display screen 6, and a keyboard 7. On the side of the upper shell 1 or the lower shell 2, there are an antenna interface 8, a communication interface 9, and a charging interface 10; on the side of the upper shell 1 or the lower shell 2, there is also a memory card interface, such as an interface for accommodating an SD card.
[0033] Among them, the antenna interface 8 has a LORA communication antenna and a 2.4G communication antenna. The communication interface 9 includes an RS422 interface, an RS232 interface, and an RJ45 interface. Inside the device, there are a transceiver circuit corresponding to the antenna interface 8 and an interface circuit corresponding to the communication interface 9. All the transceiver circuits and interface circuits are connected to the control unit.
[0034] In this embodiment, the control unit uses a single-chip microcomputer of model STM32F103R8T6.
[0035] As Figure 3 shown, the power button 5 is connected to the main power supply circuit to control the power on and off of the entire device.
[0036] The keyboard circuit corresponding to the keyboard 7 is connected to the first group of GPIO ports of the control unit to realize the setting and query of pan-tilt parameters.
[0037] In this embodiment, the keyboard circuit is connected to the first group of GPIO ports of the control unit in a row-column matrix scanning manner; the keyboard 7 includes a numeric keypad area and a function keypad area. The numeric keypad area includes digits 0-9, which are used to modify parameters such as pan-tilt address, communication mode, communication baud rate, communication protocol, etc.; each key in the function keypad area is used to switch the baud rate, switch the communication mode, switch the pan-tilt address, switch the communication protocol, set the pan-tilt preset position, clear the pan-tilt preset position, turn on the auxiliary switch, turn off the auxiliary switch, control the pan-tilt camera lens, control the pan-tilt camera aperture, query the current pan-tilt angle, etc.
[0038] The two-dimensional joystick 3 is connected to the second group of GPIO ports of the control unit to achieve pan-tilt control, such as changing the horizontal state, pitch rotation control, etc.
[0039] The display screen 6 is connected to the fourth group of universal synchronous / asynchronous transceiver UART4 of the control unit to achieve the display of the current parameters of the pan-tilt.
[0040] The RS422 interface circuit is connected to the second group of universal synchronous / asynchronous transceiver UART2 of the control unit to achieve the protection and conversion of RS422 signals to TTL serial port signals.
[0041] The RS232 interface circuit is connected to the third group of universal synchronous / asynchronous transceiver UART3 of the control unit to achieve the protection and conversion of RS232 signals to TTL serial port signals.
[0042] The RJ45 interface circuit is connected to the fifth group of universal synchronous / asynchronous transceiver UART5 of the control unit to achieve the protection and conversion of standard network signals to TTL serial port signals.
[0043] In the antenna interface 8, the first end of the 2.4G radio frequency transceiver circuit is connected to an external 2.4G communication antenna, and the second end is connected to the second group of universal synchronous / asynchronous transceiver UART2 of the control unit to achieve the protection and conversion of 2.4G radio frequency to TTL serial port signals.
[0044] In the antenna interface 8, the first end of the LORA radio frequency transceiver circuit is connected to an external LORA communication antenna, and the second end is connected to the third group of GPIO ports of the control unit.
[0045] The core function of the LORA transceiver circuit is implemented by an E220P-400T22S wireless serial port module based on the new generation of LORA spread spectrum technology designed with the LLCC68 chip solution.
[0046] As Figure 4 shown, the LORA transceiver circuit includes a core module U37. In this embodiment, the core module U37 can be a wireless module of model E220P-400T22S.
[0047] The M0, M1, TXD, RXD, and AUX pins of the core module U37 are respectively connected to the third group of GPIOs of the control unit to implement the functions of data transceiver and radio frequency transceiver mode selection. Among them, resistors R2201 and R2202 are respectively connected in series between the TXD and RXD pins and the third group of GPIOs of the control unit to play a buffering and protecting role; the ANT pin of U37 is connected to the radio frequency antenna socket J501 to achieve the access function of radio frequency signals.
[0048] One end of the battery charging unit is connected to the power indicator 4, and the other end is connected to the battery. One end of the power button 5 (i.e., Figure 3 the switch in
[0049] As Figure 5 shown, the battery charging unit includes a switching step-down lithium battery charging management chip U1. The STDBY pin and / CHRG pin of the charging management chip U1 are respectively connected to the second and third pins of the power indicator through resistors R1 and R2, which are used for indicating the charging and operating status of the remote control device;
[0050] Capacitors C1 and C2 in parallel are connected to the VIN pin of the charging management chip U1, and both capacitors are grounded. When receiving external power through the charging interface 10, the two capacitors can filter out the AC noise from the power input terminal and the power noise from inside the chip.
[0051] The LX pin of the charging management chip U1 is connected to the BAT pin after being connected in series with an inductor L1 and a resistor R3. Among them, the inductor L1 is used to ensure that the system always operates in a continuous mode during the pre-charging and constant current charging stages of the battery; among them, the resistor R3 is used for current detection to set the charging current.
[0052] Diodes D1, capacitors C3 and C4 in parallel are connected to the GND pin of the charging management chip U1. The other end of the diode D1 is connected between the LX pin and the inductor L1. The other end of the capacitor C3 is connected between the inductor L1 and the resistor R3. The other end of the capacitor C4 is connected to the BAT pin. Among them, the diode D1 is used to stabilize and protect the output; among them, the capacitors C3 and C4 are used for power output filtering.
[0053] The VS pin of the charging management chip U1 is connected between the capacitor C3 and the resistor R3.
[0054] The ETPAD pin of the charging management chip U1 is grounded to strengthen chip heat dissipation and control temperature rise.
[0055] The above device integrates the modules corresponding to various common communication methods inside the device, so that the pan-tilt can adapt to more actual application scenarios. In specific application scenarios, the corresponding communication method can be switched according to actual needs, so as to realize the remote control of the pan-tilt.
[0056] The working principle is as follows: After power-on, the keyboard circuit and the two-dimensional joystick cooperate with each other to realize the functions of setting the pan-tilt parameters, selecting the communication method, and querying and transmitting parameters such as the current angle information of the pan-tilt. Various pan-tilt parameters are displayed on the display screen; the RS422 interface circuit, RS232 interface circuit, and RJ45 interface circuit realize the wired remote signal transmission of the pan-tilt; the 2.4G radio frequency transceiver circuit (cooperating with the 2.4G radio frequency antenna) and the LORA radio frequency transceiver circuit (cooperating with the LORA radio frequency antenna) realize the wireless remote signal transmission of the pan-tilt; the battery charging unit realizes the functions of charging the battery and charging management. Each unit cooperates with each other, and finally realizes the remote wired and wireless control and parameter query and transmission of the pan-tilt turntable in multiple communication methods.
[0057] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A pan / tilt remote control device, characterized in that: It includes a shell, which is provided with an antenna interface, a communication interface and a charging interface, the antenna interface has a LORA communication antenna and a 2.4G communication antenna, and the communication interface includes an RS422 interface, an RS232 interface and an RJ45 interface; the shell has a detachable upper shell and a lower shell, and a control unit is arranged in the space between the upper shell and the lower shell; a transceiver circuit corresponding to the antenna interface and an interface circuit corresponding to the communication interface are arranged inside the shell, and all the transceiver circuits and the interface circuits are connected to the control unit.
2. A pan / tilt remote control device as claimed in claim 1, characterized in that: The upper surface of the upper shell is provided with a two-dimensional joystick, a power indicator light, a power button, a display screen and a keyboard.
3. A pan / tilt remote control device as claimed in claim 1, characterized in that: An antenna interface, a communication interface and a charging interface are provided on the side of the upper shell or the lower shell.
4. A pan / tilt remote control device as claimed in claim 2, characterized in that: The keyboard circuit corresponding to the keyboard is connected to the first GPIO port of the control unit; the two-dimensional joystick is connected to the second GPIO port of the control unit; and the display screen is connected to the universal synchronous / asynchronous receiver / transmitter UART4 of the control unit.
5. A pan / tilt remote control device as claimed in claim 1, characterized in that: The circuit corresponding to the RS422 interface is connected to the universal synchronous / asynchronous receiver / transmitter UART2 of the control unit to realize the protection and conversion of RS422 signal to TTL serial port signal; The circuit corresponding to the RS232 interface is connected to the universal synchronous / asynchronous receiver / transmitter UART3 of the control unit to realize the protection and conversion of RS232 signal to TTL serial port signal; The circuit corresponding to the RJ45 interface is connected to the universal synchronous / asynchronous receiver / transmitter UA RT5 of the control unit to realize the protection and conversion of standard network signals to TTL serial port signals.
6. A pan / tilt remote control device as claimed in claim 1, characterized in that: In the antenna interface, the first end of the 2.4G RF transceiver circuit is connected to the external 2.4G communication antenna, and the second end is connected to the control unit universal synchronous / asynchronous transceiver UART2 to realize the protection and conversion of 2.4G RF to TTL serial port signal.
7. A pan / tilt remote control device as claimed in claim 1, characterized in that: In the antenna interface, the first end of the LORA RF transceiver circuit is connected to the external LORA communication antenna, and the second end is connected to the third GPIO port of the control unit.
8. A pan / tilt remote control device as claimed in claim 1, characterized in that: It also has a battery charging unit, the first end of the battery charging unit is connected to the power indicator light, the second end is connected to the battery, the first end of the power button is connected to the battery, the second end is connected to the VDD port of the control unit, and a charging interface is provided on the battery charging unit.
9. A pan / tilt remote control device as claimed in claim 8, characterized in that: The battery charging unit includes a charging management chip U1, and a STDBY pin and a / CHRG pin of the charging management chip U1 are connected to corresponding pins of the power indicator light through a resistor R1 and a resistor R2 respectively.
10. A pan / tilt remote control device as claimed in claim 9, characterized in that: The VIN pin of the charging management chip U1 is connected to capacitors C1 and C2 in parallel, and both capacitors are grounded; the LX pin of the charging management chip U1 is connected in series with inductor L1 and resistor R3 and then connected to the BAT pin; the GND pin of the charging management chip U1 is connected to diode D1, capacitor C3 and capacitor C4 in parallel, the other end of the diode D1 is connected between the LX pin and the inductor L1, the other end of the capacitor C3 is connected between the inductor L1 and the resistor R3, and the other end of the capacitor C4 is connected to the BAT pin.