Electronic ruler

Abstract

The utility model belongs to the technical field of measuring tools, and discloses an electronic ruler, which comprises a base, and an encoder, a roller, a display screen and a control panel which are arranged on the base, the base comprises a bottom plate, supporting columns and a top cover, and the top cover is connected with the bottom plate through the supporting columns; the control panel is arranged between the bottom plate and the top cover and fixedly connected with the supporting columns. The encoder is fixedly connected with the bottom plate, the encoder is also connected with the roller, the bottom plate is provided with a roller hole for placing the roller, and the roller passes through the roller hole and is in rolling contact with a surface to be measured; the encoder and the display screen are both connected with the control panel. According to the utility model, a high-precision incremental encoder and a data processing algorithm are integrated, and the performance can be maintained in a complex environment. The double-layer frame type structure is partitioned, consumables and self weight are reduced, carrying is convenient, a maintenance channel is provided, all parts can be directly and independently tested, replaced or maintained, and the overall use efficiency and reliability of equipment are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring tools, in particular to an electronic ruler. Background Art

[0002] With the continuous development of industrial automation and precision manufacturing technology, high-precision measuring tools are particularly important in various industrial applications. As an important measuring tool, electronic rulers are widely used in machine tool processing, automated assembly, quality inspection and other fields due to their high precision, easy operation and high efficiency.

[0003] Existing electronic rulers usually use the measurement principle of linear grating or magnetic ruler. These methods are easily affected by environmental factors when measuring over long distances, and the measurement accuracy and stability in complex environments need to be improved. At the same time, the structural design is unreasonable, which is not conducive to carrying and maintenance.

[0004] Therefore, there is an urgent need for an electronic ruler that is easy to carry, maintain and has accurate measurement to solve the problems existing in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide an electronic ruler that is easy to carry, maintain and measure accurately, and the technical solution is as follows:

[0006] An electronic ruler comprises a base and an encoder, a roller, a display screen and a control panel arranged on the base;

[0007] The base comprises a bottom plate, a support column and a top cover, wherein the top cover is connected to the bottom plate through the support column; the control panel is arranged between the bottom plate and the top cover and is fixedly connected to the support column;

[0008] The encoder is fixedly connected to the bottom plate, and the encoder is also connected to the roller. The bottom plate is provided with a roller hole for placing the roller, and the roller passes through the roller hole and rolls in contact with the surface to be measured;

[0009] The encoder and the display screen are both connected to the control panel.

[0010] Preferably, the top cover is a transparent top cover, the display screen is located at the lower side of the transparent top cover, and indicates numbers through the transparent top cover.

[0011] Preferably, the display screen is an OLED display screen.

[0012] Preferably, the control panel includes a PCB board and a main control chip, a USB to serial port chip, a voltage regulating chip, an encoder interface and an OLED display interface arranged on the PCB board;

[0013] The PCB board is connected to the support column, and the USB to serial port chip, voltage regulating chip, encoder interface and OLED display interface are all connected to the main control chip;

[0014] The encoder is connected to the encoder interface, and the display screen is connected to the OLED display screen interface.

[0015] Preferably, the bottom plate and the top cover are further provided with mounting holes, the support columns are connected to the bottom plate and the top cover through the mounting holes, and the support columns are fixed in the mounting holes through cover caps.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The utility model integrates a high-precision incremental encoder and an accurate data processing algorithm, which can output high-precision measurement signals under small displacement changes and maintain high-precision measurement performance in a variety of complex environments.

[0018] (2) The utility model adopts a double-layer structure to place components with different functions separately. The bottom layer accommodates the encoder and roller, while the top layer can be installed with the display screen and control panel. There is sufficient space under the control panel for installing the battery. This layered design can effectively utilize the space, reduce the size of the device, and help to better organize the internal layout of the electronic ruler to make the interior more compact. In addition, through the above-mentioned double-layer frame structure, the structure is more simplified. Compared with the fully enclosed structure, the assembly and maintenance of the frame structure are simpler, which not only reduces the material usage and equipment weight, but also provides better heat dissipation performance and convenient maintenance channels. Components with different functions can be directly and independently tested, replaced or repaired, which improves the overall efficiency and reliability of the equipment.

[0019] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an electronic ruler in an embodiment;

[0021] Figure 2 yes Figure 1 A partial enlarged schematic diagram of the electronic ruler;

[0022] Figure 3 yes Figure 1 Schematic diagram of some structures of the electronic ruler;

[0023] In the figure: 1. base, 1.1. bottom plate, 1.2. support column, 1.3. top cover, 1.4. roller hole, 1.5. cover cap; 2. encoder; 3. roller; 4. display screen; 5. control panel, 5.1. PCB board, 5.2. main control chip, 5.3. USB to serial port chip, 5.4. voltage regulating chip, 5.5. OLED display interface, 5.6. encoder interface. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0025] Example:

[0026] An electronic ruler, reference Figure 1 and Figure 2 , including a base 1 and an encoder 2, a roller 3, a display screen 4 and a control panel 5 arranged on the base 1; the base 1 includes a bottom plate 1.1, a support column 1.2 and a top cover 1.3, and the top cover 1.3 is connected to the bottom plate 1.1 through the support column 1.2; the control panel 5 is arranged between the bottom plate 1.1 and the top cover 1.3 and is fixedly connected to the support column 1.2; the encoder 2 is fixedly connected to the bottom plate 1.1, and the encoder 2 is also connected to the roller 3, and a roller hole 1.4 for placing the roller 3 is provided on the bottom plate 1.1, and the roller 3 passes through the roller hole 1.4 and is in rolling contact with the surface to be measured; the encoder 2 and the display screen 4 are both connected to the control panel 5.

[0027] The rotating shaft of the encoder 1 is connected to the roller 2, and the roller 2 can freely roll through the roller hole 1.4 of the base 6 and drive the rotating shaft of the encoder 1 to rotate. When working, the roller 2 rotates along the measured object to drive the rotating shaft of the encoder 1 to rotate, and the main control chip 10 provided on the control panel 3 receives and processes the signal generated by the rotation of the encoder shaft, and outputs the calculated measurement result to the OLED display screen 4, which displays the measurement result in real time in the form of numbers and text.

[0028] The electronic ruler of this embodiment integrates a high-precision incremental encoder and an accurate data processing algorithm, and can output a high-precision measurement signal under a small displacement change, and can maintain high-precision measurement performance in a variety of complex environments.

[0029] A double-layer structure is used to separate components with different functions. The bottom layer accommodates the encoder and roller, while the top layer can be installed with the display and control panel. There is ample space under the control panel for installing the battery. This layered design can effectively utilize space, reduce the size of the device, and help to better organize the internal layout of the electronic ruler to make the interior more compact.

[0030] And through the above-mentioned double-layer frame structure, the structure is more simplified. Compared with the fully enclosed structure, the assembly and maintenance of the frame structure are simpler, which not only reduces the material usage and equipment weight, but also provides better heat dissipation performance and convenient maintenance channels. Components with different functions can be directly and independently tested, replaced or repaired, which improves the overall use efficiency and reliability of the equipment.

[0031] The top cover 1.3 is a transparent top cover, and the display screen 4 is located at the lower side of the transparent top cover and displays information through the transparent top cover. The display screen 4 is an OLED display screen. By using an OLED display screen with high display sensitivity and installing it under the transparent top cover, the information is more clear and easy to read.

[0032] See also Figure 3 The control panel 5 includes a PCB board 5.1 and a main control chip 5.2, a USB to serial port chip 5.3, a voltage regulating chip 5.4, an encoder interface 5.6 and an OLED display interface 5.5 arranged on the PCB board 5.1. The PCB board 5.1 is connected to the support column 1.2, and the USB to serial port chip 5.3, the voltage regulating chip 5.4, the encoder interface 5.6 and the OLED display interface 5.5 are all connected to the main control chip 5.2;

[0033] The encoder 2 is connected to the encoder interface 5.6, and the display screen 4 is connected to the OLED display screen interface 5.5.

[0034] The bottom plate 1.1 and the top cover 1.3 are also provided with mounting holes, the support column 1.2 is connected to the bottom plate 1.1 and the top cover 1.3 through the mounting holes, and the support column 1.2 is fixed in the mounting holes through the cap 1.5. Through the above structure, the electronic ruler of this embodiment can be quickly installed and disassembled, and the structure is compact and not easy to be damaged.

[0035] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electronic ruler, characterized in that: It comprises a base (1), and an encoder (2), a roller (3), a display screen (4), and a control panel (5) arranged on the base (1); The base (1) comprises a bottom plate (1.1), a support column (1.2) and a top cover (1.3); the top cover (1.3) is connected to the bottom plate (1.1) via the support column (1.2); the control panel (5) is arranged between the bottom plate (1.1) and the top cover (1.3) and is fixedly connected to the support column (1.2); The encoder (2) is fixedly connected to the base plate (1.1), and the encoder (2) is also connected to the roller (3). The base plate (1.1) is provided with a roller hole (1.4) for placing the roller (3), and the roller (3) passes through the roller hole (1.4) and is in rolling contact with the surface to be measured; The encoder (2) and the display screen (4) are both connected to the control panel (5).

2. An electronic ruler according to claim 1, characterized in that: The top cover (1.3) is a transparent top cover, and the display screen (4) is located on the lower side of the transparent top cover and displays numbers through the transparent top cover.

3. The electronic ruler according to claim 1, characterized in that: The display screen (4) is an OLED display screen.

4. The electronic ruler according to claim 3, characterized in that: The control panel (5) comprises a PCB board (5.1), and a main control chip (5.2), a USB-to-serial port chip (5.3), a voltage regulating chip (5.4), an encoder interface (5.6), and an OLED display screen interface (5.5) arranged on the PCB board (5.1); The PCB board (5.1) is connected to the support column (1.2), and the USB to serial port chip (5.3), the voltage regulating chip (5.4), the encoder interface (5.6) and the OLED display interface (5.5) are all connected to the main control chip (5.2); The encoder (2) is connected to the encoder interface (5.6), and the display screen (4) is connected to the OLED display screen interface (5.5).

5. The electronic ruler according to claim 1, characterized in that: The bottom plate (1.1) and the top cover (1.3) are also provided with mounting holes, the support column (1.2) is connected to the bottom plate (1.1) and the top cover (1.3) through the mounting holes, and the support column (1.2) is fixed in the mounting holes through the cover cap (1.5).

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