Electric control handle with adjustable vibration sense

Abstract

The utility model discloses a vibration-adjustable electric control handle which comprises a handle body, a handle head is arranged at the upper end of the handle body, a panel is arranged on the front face of the handle head, functional keys are arranged on the panel, a roller key is arranged on the side face of the handle head, a vibration motor is arranged in the handle body, and the functional keys, the roller key and the vibration motor are all connected to a main control circuit board through wires. The vibration frequency and amplitude of the vibration motor are controlled through the roller key; a base is downwards connected into the grip body through a linkage shaft, a main control circuit board is arranged in the base and extends out to form an electrical interface, magnets are fixed to the two sides of the lower portion of the linkage shaft, Hall sensing side plates are arranged in the base and right opposite to the two magnets at intervals, and the Hall sensing side plates are connected with the main control circuit board. And the main control circuit board controls the vibration frequency and amplitude of the vibration motor. According to the utility model, the vibration intensity and the vibration frequency can be adjusted or the vibration function can be closed through the roller key, so that the operation uncomfortableness caused by too large or too small vibration intensity and vibration frequency is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control handles, in particular to an electric control handle with adjustable vibration. Background Art

[0002] When operating a crane, the crane operator triggers and controls actions such as telescoping, hoisting, slewing, and luffing through the handle. When operating, the operator can directly sense the operating speed through the vibration intensity of the vibration handle, that is, the faster the operating speed, the higher the vibration frequency and the greater the vibration intensity, while the slower the operating speed, the lower the vibration frequency and the smaller the vibration intensity. Currently, the vibration frequency and amplitude of the handle are fixed within a certain range and cannot be adjusted, which can easily cause vibration fatigue to the operator during long-term repetitive operations; during micro-motion operations, the displacement or angle of the handle is small, and vibration will cause the output value of the handle to be unstable, affecting the micro-motion of the handle. Summary of the invention

[0003] Purpose of the utility model: In order to overcome the shortcomings of the background technology, the utility model discloses an electric control handle with adjustable vibration, and the operator can adjust the vibration intensity of the handle according to the working conditions and perceived preferences.

[0004] Technical solution: The electric control handle with adjustable vibration disclosed by the utility model comprises a handle body, a handle head is provided at the upper end of the handle body, a panel is provided on the front of the handle head, function buttons are provided on the panel, a roller key is provided on the side of the handle head, a vibration motor is provided in the handle body, the function buttons, the roller key and the vibration motor are all connected to the main control circuit board through wires, and the vibration frequency and amplitude of the vibration motor are controlled by the roller key;

[0005] The handle body is connected downwardly to the base through a linkage shaft, the main control circuit board is placed in the base and extends out to form an electrical interface, magnets are fixed on both sides below the linkage shaft, and Hall sensing side panels are arranged in the base opposite to the two magnets and at intervals, the Hall sensing side panels are connected to the main control circuit board, and the main control circuit board controls the vibration frequency and amplitude of the vibration motor.

[0006] Furthermore, the handle body is an arc-shaped hand-held structure, the vibration motor is placed at the arc-shaped hand-held position of the handle body, and the roller key is arranged on the side of the handle head.

[0007] Furthermore, the handle body is composed of left and right split handles assembled together and fixed by screws, and a motor slot and an eccentric wheel rotation slot are opened in the handle body according to the shape of the vibration motor. The two slots are separated by a socket, and the vibration motor is limited up and down by reinforcing ribs.

[0008] Furthermore, the handle body and the base are connected via a rubber dust cover.

[0009] Furthermore, a mounting column is provided on the base, and a protective cover is provided below the mounting column to surround the components below the base, and the electrical interface is located at the bottom of the protective cover.

[0010] Furthermore, the main control circuit board includes the following circuits:

[0011] A power supply circuit provides operating voltage for each functional circuit module;

[0012] The motor driving circuit receives the control signal and makes the vibration motor generate vibration;

[0013] MCU control circuit generates control signals and transmits them to the motor drive circuit;

[0014] The key detection circuit is connected to the MCU pin to detect whether the key is pressed;

[0015] The roller signal acquisition circuit is connected to the MCU control circuit to collect the current position of the roller key and whether it is pressed;

[0016] The CAN communication circuit sends the grip angle value, grip direction signal and key signal to the CAN network where the handle is located according to the communication protocol, so as to realize data interaction between network devices;

[0017] Flash storage circuit, storing the configuration information and calibration parameters of the handle.

[0018] Beneficial effects: Compared with the prior art, the advantages of the utility model are:

[0019] The vibration intensity and frequency can be adjusted or the vibration function can be turned off by the scroll wheel key to avoid operational discomfort caused by excessive or insufficient vibration intensity and frequency. During micro-motion operation, the vibration function can be temporarily turned off by pressing the scroll wheel, thereby improving the control accuracy of the crane during micro-motion operation.

[0020] The arc-shaped grip structure is adopted to improve the holding comfort. The vibration motor is located in the arc-shaped grip position, which improves the holding comfort when operating the handle, alleviates the discomfort caused by vibration to the hand, and directly and effectively feels the vibration of the vibration motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is the front external structure diagram of the utility model;

[0022] Figure 2 This is a side internal structure diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the circuit connection of the main control circuit board of the utility model. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figure 1 and 2 The electric control handle with adjustable vibration shown includes a handle body 1, a handle head 2 is provided at the upper end of the handle body 1, a panel 3 is provided on the front of the handle head 2, a function button 4 is provided on the panel 3, a roller key 5 is provided on the side of the handle head 2, a vibration motor 6 is provided in the handle body 1, the function button 4, the roller key 5 and the vibration motor 6 are all connected to the main control circuit board 7 through wires, and the vibration frequency and amplitude of the vibration motor 6 are controlled by the roller key 5. During operation, the vibration is strengthened by turning the roller key 5 downward, and the vibration is weakened by turning it upward. When it is turned to the top, the vibration function is turned off, and the vibration function of the handle is temporarily turned off when it is pressed. After releasing, the roller key resets and bounces up, and the vibration function of the handle is restored.

[0026] The handle body 1 is connected downwardly to the base 9 through a linkage shaft 8, the main control circuit board 7 is placed in the base 9 and extends to form an electrical interface 10, magnets 11 are fixed on both sides below the linkage shaft 8, and Hall sensing side panels 12 are arranged in the base 9 opposite to the two magnets 11 and at intervals, and the Hall sensing side panels 12 are connected to the main control circuit board 7, and the main control circuit board 7 controls the vibration frequency and amplitude of the vibration motor 6.

[0027] The handle body 1 is an arc-shaped hand-held structure, the vibration motor 6 is placed at the arc-shaped hand-held position of the handle body 1, and the roller key 5 is arranged on the side of the handle head 2. The handle is designed in accordance with ergonomics, and the arc-shaped structure is more compatible with the crane armrest box. When the handle is operated, the arm can obtain effective support, and the current operating speed of the crane can be sensed by tactilely feeling the vibration intensity of the motor at the arc surface of the handle. If the operating speed is fast, the vibration frequency is high and the vibration intensity is large, and if the operating speed is slow, the vibration frequency is low and the vibration intensity is small.

[0028] The handle body 1 is composed of left and right split handles which are assembled together and fixed by screws. A motor slot 601 and an eccentric wheel rotation slot 602 are opened in the handle body 1 according to the shape of the vibration motor 6. The two slots are separated by a socket, and the vibration motor 6 is limited up and down by reinforcing ribs.

[0029] The handle body 1 and the base 9 are connected via a rubber dust cover 13 , and the soft rubber material is used to facilitate the movement of the linkage shaft 8 .

[0030] The base 9 is made of cast aluminum, and a mounting column 14 is provided on the base 9, and a protective cover 15 is provided below the base 9 to surround the components below the base 9. The electrical interface 10 is located at the bottom of the protective cover 15, and has the functions of communicating with the outside and supplying power to the internal main control circuit board 7.

[0031] like Figure 3 As shown, the main control circuit board 7 includes the following circuits: a power supply circuit, a motor drive circuit, an MCU control circuit, a key detection circuit, a roller signal acquisition circuit, a CAN communication circuit and a Flash storage circuit.

[0032] The power supply circuit provides working voltage for each functional circuit module to ensure the normal operation of each circuit module; the button detection circuit is connected to the MCU pin end to detect whether the button is pressed; the roller signal acquisition circuit is connected to the MCU control circuit to collect the current position of the roller and whether it is pressed; the FLASH storage circuit stores the configuration information and calibration parameters of the handle; the CAN communication circuit sends the grip angle value, grip direction signal and button signal to the CAN network where the handle is located according to the communication protocol to realize data interaction between network devices. When the grip moves in a certain direction, the linkage shaft inside the grip moves synchronously, and the transmission mechanism connected below the linkage shaft drives the two magnets fixed on both sides to rotate the corresponding angle. The Hall sensing side panels are arranged opposite to the two magnets and at a certain distance. The Hall chips of the two Hall sensing side panels will detect the angle and direction of the front and rear and left and right magnetic fields respectively, and send the measured data to the MCU on the main control circuit board for processing through the side panel signal interface. The MCU main control circuit calculates the vibration frequency and amplitude of the PWM wave according to the angle and direction of the front and rear and left and right magnetic fields and the collected roller signal according to a certain algorithm, and controls the motor drive circuit to make the vibration motor produce vibration. The operator can sense the current operating speed of the crane based on the vibration intensity and frequency of the vibration motor.

Claims

1. An electric control handle with adjustable vibration, characterized in that: The invention comprises a handle body (1), wherein a handle (2) is provided at the upper end of the handle body (1), a panel (3) is provided on the front of the handle (2), a function button (4) is provided on the panel (3), a roller button (5) is provided on the side of the handle (2), a vibration motor (6) is provided inside the handle body (1), the function button (4), the roller button (5) and the vibration motor (6) are all connected to a main control circuit board (7) via wires, and the vibration frequency and amplitude of the vibration motor (6) are adjusted via the roller button (5); The handle body (1) is connected downwardly to the base (9) via a linkage shaft (8); the main control circuit board (7) is placed in the base (9) and extends out to form an electrical interface (10); magnets (11) are fixed on both sides below the linkage shaft (8); Hall sensing side plates (12) are arranged in the base (9) opposite to the two magnets (11) and at intervals; the Hall sensing side plates (12) are connected to the main control circuit board (7); and the main control circuit board (7) controls the vibration frequency and amplitude of the vibration motor (6).

2. The electric control handle with adjustable vibration according to claim 1, characterized in that: The grip body (1) is an arc-shaped hand-held structure, the vibration motor (6) is arranged at the arc-shaped hand-held position of the grip body (1), and the roller key (5) is arranged on the side of the handle head (2).

3. The electric control handle with adjustable vibration according to claim 1, characterized in that: The handle body (1) is composed of left and right split handles that are assembled together and fixed by screws. A motor slot (601) and an eccentric wheel rotation slot (602) are provided in the handle body (1) according to the shape of the vibration motor (6). The two slots are separated by a seat, and the vibration motor (6) is limited in upper and lower positions by reinforcing ribs.

4. The electric control handle with adjustable vibration according to claim 1, characterized in that: The handle body (1) and the base (9) are connected via a rubber dust cover (13).

5. The electric control handle with adjustable vibration according to claim 1, characterized in that: The base (9) is provided with a mounting column (14), and a protective cover (15) is provided below the mounting column to surround the components below the base (9), and the electrical interface (10) is located at the bottom of the protective cover (15).

6. The electric control handle with adjustable vibration according to claim 1, characterized in that: The main control circuit board (7) comprises the following circuits: A power supply circuit provides operating voltage for each functional circuit module; The motor driving circuit receives the control signal and makes the vibration motor generate vibration; MCU control circuit generates control signals and transmits them to the motor drive circuit; The key detection circuit is connected to the MCU pin to detect whether the key is pressed; The roller signal acquisition circuit is connected to the MCU control circuit to collect the current position of the roller key and whether it is pressed; The CAN communication circuit sends the grip angle value, grip direction signal and key signal to the CAN network where the handle is located according to the communication protocol, so as to realize data interaction between network devices; Flash storage circuit, storing the configuration information and calibration parameters of the handle.

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