Novel intelligent control type carriage tail board

Abstract

The utility model relates to the technical field of transport vehicles, and particularly discloses a novel intelligent control type compartment tail board which comprises a tail board body, the tail board body is connected with a compartment through an electric hydraulic rod, and a wireless control circuit board is arranged in the compartment. A gravity sensor electrically connected with the wireless control circuit board is arranged on the tail board body, and the wireless control circuit board comprises a wireless transceiving circuit, a power supply circuit, a single-chip microcomputer master control circuit, a hydraulic rod control circuit, a sensor interface circuit and an alarm circuit. The wireless transceiver circuit, the power supply circuit, the hydraulic rod control circuit, the sensor interface circuit and the alarm circuit are all electrically connected with the single-chip microcomputer main control circuit. According to the utility model, the wireless transceiver circuit is arranged to be in wireless communication connection with the mobile phone end, so that the lifting of the tail board can be controlled by controlling the mobile phone end during use, a control switch of the tail board does not need to be operated in a vehicle, the intelligent degree is higher, and the use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the transport vehicle technical field, especially a novel intelligent control type carriage tail board. BACKGROUND

[0002] The transport vehicle that transports goods generally has the carriage tail board that can overturn open and close, the length of carriage tail board generally corresponds with carriage height, the height will not exceed 2 meters, the intersection angle of tail board after opening is generally greater than 30 degrees.

[0003] Through the retrieval, the Chinese utility model patent with patent application number CN202223202385.9 discloses a truck carriage tail board, including fixing frame, first telescopic link, second telescopic link, door plate, first guardrail device and second guardrail device, first guardrail device and second guardrail device are respectively installed in the front and back two sides of door plate, and first guardrail device and second guardrail device can be rotated respectively with the two non-adjacent sides of door plate perpendicular to each other, the bottom edge of door plate is rotatably connected with the bottom edge of fixing frame, and door plate can be rotatable and attached to fixing frame, first telescopic link and second telescopic link are rotatably installed on the inner side of fixing frame, and first telescopic link and second telescopic link are oppositely arranged, and the two ends of first telescopic link and second telescopic link are rotatably connected between fixing frame and door plate. Through the above structure setting, when the truck is loading and unloading, the person standing on the tail board or the goods placed on the tail board will not fall, greatly improving the safety of the tail board.

[0004] And like the Chinese utility model patent with patent application number CN202223594812.2 discloses a three-cylinder tail board for carriage unloading of box truck;The utility model improves the structure of the lifting frame of the three-cylinder tail board for carriage unloading, the double-layer structure design of inner arm plate and outer arm plate is adopted for the lifting arm, a gap is formed between the two through the lifting arm sealing edge connection, and the gap provides a space for the movement of the lifting cylinder, thereby effectively controlling the length of the outer extension of the arc-shaped plate.

[0005] The existing above-mentioned carriage tail board can meet the basic use requirement, but it is controlled by controlling the in-vehicle console to control the lifting of the tail board, and in the actual use process, the driver needs to return to the vehicle to operate the lifting switch of the tail board after checking the unloading site, which is more troublesome to use, and the intelligent degree is low. UTILITY MODEL CONTENTS

[0006] The utility model wants to solve the technical problem in view before, provide a novel intelligent control formula carriage tailgate, through setting up wireless transceiver circuit to carry out wireless communication connection with cell -phone end, can control the lifting of tailgate through control cell -phone end in use, need not rush back to operate tailgate's control switch in car, the degree of intellectualization is higher, it is more convenient to use.

[0007] In order to solve the above technical problems, the technical scheme of the utility model is:

[0008] A novel intelligent control formula carriage tailgate, including tailgate body, the tailgate body is connected with carriage through electric hydraulic rod, be provided with wireless control circuit board in the carriage, be provided with the gravity sensor of electric connection with wireless control circuit board on the tailgate body, wireless control circuit board includes wireless transceiver circuit, power supply circuit, singlechip main control circuit, hydraulic rod control circuit, sensor interface circuit and alarm circuit, wireless transceiver circuit, power supply circuit, hydraulic rod control circuit, sensor interface circuit and alarm circuit all with singlechip main control circuit electric connection.

[0009] Preferably, the wireless transceiver circuit includes a wireless communication chip U1, a triode Q1, a capacitor C1, a capacitor C2, a resistor R3 and a resistor R9, the triode Q1 is connected with the resistor R3, the wireless communication chip U1 and the resistor R9 respectively, the capacitor C1 and the capacitor C2 are connected with the wireless communication chip U1.

[0010] Preferably, the singlechip main control circuit includes a singlechip chip U2, a crystal oscillator X1, a capacitor C3, a capacitor C4, a capacitor C6 and a reset switch S1, the wireless communication chip U1, the resistor R3, the crystal oscillator X1, the capacitor C3, the capacitor C4, the capacitor C6 and the reset switch S1 are connected with the singlechip chip U2.

[0011] Preferably, the power supply circuit includes a power input interface J2, a power management chip U3 and a capacitor C5, the power management chip U3 is connected with the singlechip chip U2, the power input interface J2 and the capacitor C5 respectively.

[0012] Preferably, the hydraulic rod control circuit includes a hydraulic rod power output interface J1, the hydraulic rod power output interface J1 is connected with the electric hydraulic rod and the forty-second pin and the forty-third pin of the singlechip chip U2 respectively, and the sensor interface circuit includes a sensor interface P1, which is connected with the gravity sensor and the forty-sixth pin and the forty-ninth pin of the singlechip chip U2.

[0013] Preferably, the alarm circuit comprises a buzzer B1, a triode Q2, a resistor R10 and a resistor R11, the triode Q2 is connected with the buzzer B1, the resistor R10 and the resistor R11 respectively, and the resistor R10 is connected with the fourth pin of the single-chip microcomputer chip U2.

[0014] With the technical scheme, the novel intelligent control type carriage tailboard has the following beneficial effects: the tailboard body in the novel intelligent control type carriage tailboard is connected with the carriage through the electric hydraulic rod, the wireless control circuit board is arranged in the carriage, the gravity sensor electrically connected with the wireless control circuit board is arranged on the tailboard body, the wireless transceiver circuit, the power supply circuit, the hydraulic rod control circuit, the sensor interface circuit and the alarm circuit in the wireless control circuit board are electrically connected with the single-chip microcomputer main control circuit, the wireless transceiver circuit is arranged to be wirelessly connected with the mobile phone terminal, in actual use, after the driver gets off the vehicle to check the unloading site, the driver can send the control signal to the wireless transceiver circuit through the control mobile phone terminal, the single-chip microcomputer control circuit sends the control signal to the hydraulic rod control circuit, and then the electric hydraulic rod is powered on to work, so that the lifting of the tailboard is realized, the driver does not need to return to the vehicle to operate the control switch of the tailboard, and the tailboard is convenient to use; and the gravity sensor is arranged to detect the bearing pressure of the tailboard, and the pressure signal is transmitted to the single-chip microcomputer main control circuit, if the bearing pressure exceeds the preset pressure value, the alarm signal is output to the alarm circuit to alarm, reminding the user that the current state is overweight, and the intelligent degree is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a side structure schematic view of the utility model;

[0016] Fig. 2 It is a circuit principle view of the wireless control circuit board in the utility model;

[0017] In the drawing, 1-tailboard body, 2-carriage, 3-wireless control circuit board, 4-electric hydraulic rod, 5-gravity sensor. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model are further explained in combination with the drawings. It needs to be explained here that the explanation of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0019] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0021] like Figs. 1-2 As shown, this novel intelligent control type cargo box tailgate includes a tailgate body 1, which is connected to a cargo box 2 via an electro-hydraulic rod 4. A wireless control circuit board 3 is installed inside the cargo box 2. A gravity sensor 5, electrically connected to the wireless control circuit board 3, is installed on the tailgate body 1. The wireless control circuit board 3 includes a wireless transceiver circuit, a power supply circuit, a microcontroller main control circuit, a hydraulic rod control circuit, a sensor interface circuit, and an alarm circuit. All of these circuits are electrically connected to the microcontroller main control circuit. It is understood that the tailgate body 1 can be a general-purpose truck tailgate, and the electro-hydraulic rod 4 can be a general-purpose electro-hydraulic rod, used to push or pull the tailgate body 1 when energized, typically at an angle. The gravity sensor 5 can be a general-purpose gravity sensor, used to detect the pressure on the tailgate body 1 during unloading. The bottom side of the cargo box 2 can be connected to the bottom of the tailgate body 1 via hinges or other means; further details are omitted here.

[0022] Specifically, the wireless transceiver circuit includes a wireless communication chip U1, a transistor Q1, capacitors C1 and C2, resistors R3 and R9. Transistor Q1 is connected to resistor R3, the wireless communication chip U1, and resistor R9. Capacitors C1 and C2 are both connected to the wireless communication chip U1. It is understood that the wireless communication chip U1 can be a QCC5120 Bluetooth chip, supporting Bluetooth 5.0 and dual-mode Bluetooth, used to establish a communication connection with the user's mobile phone.

[0023] Specifically, the power supply circuit includes a power input interface J2, a power management chip U3, and a capacitor C5. The power management chip U3 is connected to the microcontroller chip U2, the power input interface J2, and the capacitor C5. The microcontroller main control circuit includes the microcontroller chip U2, a crystal oscillator X1, capacitors C3, C4, and C6, and a reset switch S1. The wireless communication chip U1, resistor R3, crystal oscillator X1, capacitors C3, C4, C6, and the reset switch S1 are all connected to the microcontroller chip U2. It can be understood that the power input interface J2 is used to connect to the vehicle's power supply. The power management chip U3, such as an AMS1117 chip, is used to distribute power to the above circuits. A BUCK-BOOST topology can be used to achieve dual 3.3V / 5V output, with an input range covering 2.7-5.5V. The microcontroller chip U2, such as an STM32 series chip, is used to output control signals to centrally control the operating state of the above circuits.

[0024] Specifically, the hydraulic rod control circuit includes a hydraulic rod power output interface J1, which is connected to the electric hydraulic rod and pins 42 and 43 of the microcontroller chip U2, respectively. The sensor interface circuit includes a sensor interface P1, which is connected to the gravity sensor and pins 46 and 49 of the microcontroller chip U2, respectively. It can be understood that the hydraulic rod power output interface J1 can output a peak current of 2A, and the microcontroller chip U2 controls the extension and retraction of the hydraulic rod through PWM speed regulation (frequency 1kHz).

[0025] Specifically, the alarm circuit includes a buzzer B1, a transistor Q2, resistors R10 and R11. Transistor Q2 is connected to buzzer B1, resistors R10 and R11, and resistor R10 is connected to the fourth pin of the microcontroller chip U2. It is understood that buzzer B1 can be an active buzzer (5V / 85dB) supporting adjustable frequency pulse drive (duty cycle 10%-90%) to emit a buzzing sound.

[0026] Understandably, this utility model is reasonably designed and uniquely constructed. It establishes a wireless wireless communication connection with a mobile phone via a wireless transceiver circuit. In actual use, after the driver gets out of the vehicle to check the unloading location, they can send control signals to the wireless transceiver circuit via their mobile phone. The microcontroller control circuit then sends control signals to the hydraulic rod control circuit, which in turn energizes the electric hydraulic rod 4, thereby controlling the lifting and lowering of the tailgate body 1. This eliminates the need to return to the vehicle to operate the tailgate control switch, making it convenient to use. Furthermore, a gravity sensor 5 is used to detect the pressure on the tailgate body 1 and transmits the pressure signal to the microcontroller main control circuit. If the pressure exceeds a preset value, an alarm signal is output to the alarm circuit to alert the user that the vehicle is in an overloaded state, demonstrating a high degree of intelligence.

[0027] The embodiments of the present application are described in detail in conjunction with the accompanying drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A novel intelligent control type tailgate for a vehicle body, comprising a tailgate body connected to the vehicle body via an electro-hydraulic rod, characterized in that: The carriage is equipped with a wireless control circuit board, and the tailgate body is equipped with a gravity sensor electrically connected to the wireless control circuit board. The wireless control circuit board includes a wireless transceiver circuit, a power supply circuit, a microcontroller main control circuit, a hydraulic rod control circuit, a sensor interface circuit, and an alarm circuit. The wireless transceiver circuit, the power supply circuit, the hydraulic rod control circuit, the sensor interface circuit, and the alarm circuit are all electrically connected to the microcontroller main control circuit.

2. The novel intelligent control type rear panel of the vehicle body according to claim 1, characterized in that: The wireless transceiver circuit includes a wireless communication chip U1, a transistor Q1, a capacitor C1, a capacitor C2, a resistor R3, and a resistor R9. The transistor Q1 is connected to the resistor R3, the wireless communication chip U1, and the resistor R9, respectively. The capacitors C1 and C2 are both connected to the wireless communication chip U1.

3. The novel intelligent control type rear panel of the vehicle body according to claim 2, characterized in that: The microcontroller main control circuit includes a microcontroller chip U2, a crystal oscillator X1, capacitors C3, C4, and C6, and a reset switch S1. The wireless communication chip U1, resistor R3, crystal oscillator X1, capacitors C3, C4, and C6, and the reset switch S1 are all connected to the microcontroller chip U2.

4. The novel intelligent control tailgate of the carriage according to claim 3, characterized in that: The power supply circuit includes a power input interface J2, a power management chip U3, and a capacitor C5. The power management chip U3 is connected to the microcontroller chip U2, the power input interface J2, and the capacitor C5.

5. The novel intelligent control tailgate of the vehicle body according to claim 3, characterized in that: The hydraulic rod control circuit includes a hydraulic rod power output interface J1, which is connected to the electric hydraulic rod and pins 42 and 43 of the microcontroller chip U2, respectively; the sensor interface circuit includes a sensor interface P1, which is connected to the gravity sensor and pins 46 and 49 of the microcontroller chip U2, respectively.

6. The novel intelligent control tailgate of the vehicle body according to claim 3, characterized in that: The alarm circuit includes a buzzer B1, a transistor Q2, a resistor R10, and a resistor R11. The transistor Q2 is connected to the buzzer B1, the resistor R10, and the resistor R11. The resistor R10 is connected to the fourth pin of the microcontroller chip U2.

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