技术领域technical field
本实用新型属于测量技术领域，尤其涉及一种自动测量卷尺。The utility model belongs to the technical field of measurement, in particular to an automatic measuring tape.
背景技术Background technique
传统的卷尺，多为普通布卷尺或钢卷尺，需要用户自己拉出卷尺，并且拉住卷尺进行人为的读数，对于生活中不需要精确的读数，没有时间的限制，处于一般的场合中是可以满足的。但是对于某些残障人士，无法使用双手测量进行读数，便成为了一个大问题；同时对于某些特定环境，人不能手动拉出卷尺进行测量，现有卷尺不能满足这些要求。Traditional tape measures are mostly ordinary cloth tapes or steel tapes. Users need to pull out the tape and hold the tape for artificial readings. There is no need for accurate readings in life, and there is no time limit. It can be used in general occasions. fulfilled. However, for some disabled people, the inability to use both hands to measure and read has become a big problem; at the same time, for some specific environments, people cannot manually pull out the tape measure for measurement, and the existing tape measure cannot meet these requirements.
实用新型内容Utility model content
本实用新型所要解决的技术问题是提供一种能自动伸出测量并显示测量结果的自动测量卷尺。The technical problem to be solved by the utility model is to provide an automatic measuring tape that can automatically stretch out for measurement and display the measurement results.
为了解决上述技术问题，本实用新型所采用的技术方案是：一种自动测量卷尺，具有：In order to solve the above technical problems, the technical solution adopted by the utility model is: an automatic measuring tape, which has:
外壳，所述外壳上设有卷尺槽槽口；a casing, the casing is provided with a slot for a tape measure;
卷尺本体，容纳在所述外壳内，所述卷尺本体的头部伸出所述卷尺槽槽口；The tape measure body is accommodated in the casing, and the head of the tape measure body protrudes from the notch of the tape measure groove;
MCU模块；MCU module;
显示模块，设置在所述外壳表面，与所述MCU模块电连接，显示测量数值；A display module, arranged on the surface of the housing, is electrically connected to the MCU module, and displays measured values;
按键模块，设置在所述外壳表面，与所述MCU模块电连接，作为测量的开关；A button module, arranged on the surface of the housing, electrically connected to the MCU module, as a switch for measurement;
测量模块，与所述MCU模块电连接，设置在所述外壳内部，控制所述卷尺伸入或伸出，并测量卷尺的伸出长度，所述测量模块具有：The measurement module is electrically connected with the MCU module, is arranged inside the housing, controls the tape measure to extend in or out, and measures the extension length of the tape measure. The measurement module has:
可转动地设置在所述外壳内的第一轴和第二轴，所述第一轴上固定有第一弹性轮，所述第二轴上固定有第二弹性轮，所述第一弹性轮和第二弹性轮夹紧所述卷尺本体；A first shaft and a second shaft rotatably arranged in the housing, a first elastic wheel is fixed on the first shaft, a second elastic wheel is fixed on the second shaft, and the first elastic wheel Clamp the tape measure body with the second elastic wheel;
电机模块，与MCU模块电连接并所述驱动所述第二轴转动；The motor module is electrically connected to the MCU module and drives the second shaft to rotate;
齿轮加速机构，设置在所述外壳内，将所述第二轴的转动传递到第四轴；a gear speed-up mechanism, arranged in the housing, to transmit the rotation of the second shaft to the fourth shaft;
自动测量卷尺还具有采集模块，所述采集模块与MCU模块电连接，采集模块采集所述第四轴的转动圈数。The automatic measuring tape also has a collection module, the collection module is electrically connected to the MCU module, and the collection module collects the number of rotations of the fourth axis.
所述第四轴上固定有第四齿轮，所述第四齿轮设有沿轴向的通孔；所述采集模块为激光发射器和激光接收器，所述第四齿轮的通孔的中心与激光发射器和激光接收器处于同一水平直线上。A fourth gear is fixed on the fourth shaft, and the fourth gear is provided with a through hole along the axial direction; the acquisition module is a laser transmitter and a laser receiver, and the center of the through hole of the fourth gear is aligned with the The laser transmitter and laser receiver are on the same horizontal line.
所述齿轮加速机构至少为二级加速机构。The gear acceleration mechanism is at least a secondary acceleration mechanism.
所述齿轮加速机构包括：第三轴、第四轴、第一齿轮、第二齿轮、第三齿轮和第四齿轮，The gear acceleration mechanism includes: a third shaft, a fourth shaft, a first gear, a second gear, a third gear and a fourth gear,
所述第三轴和第四轴可转动地安装在所述外壳内部，所述第一齿轮固定在所述第二轴上，所述第二齿轮和第三齿轮固定在所述第三轴上，所述第四齿轮固定在所述第四轴上；The third shaft and the fourth shaft are rotatably installed inside the housing, the first gear is fixed on the second shaft, and the second gear and third gear are fixed on the third shaft , the fourth gear is fixed on the fourth shaft;
所述第一齿轮和所述第二齿轮相啮合，所述第三齿轮和第四齿轮相啮合，所述第一齿轮直径大于所述第二齿轮，所述第三齿轮直径大于所述第四齿轮。The first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the diameter of the first gear is larger than that of the second gear, and the diameter of the third gear is larger than that of the fourth gear. gear.
所述外壳上设有电池槽，作为供电机构的电池安装在所述电池槽内。A battery slot is provided on the casing, and a battery serving as a power supply mechanism is installed in the battery slot.
所述外壳上还设有为所述电池充电的USB充电口。The shell is also provided with a USB charging port for charging the battery.
上述技术方案中的一个技术方案具有如下优点或有益效果，可以让钢卷尺自动伸出进行测量，并且进行自动读数在显示屏上显示，大大方面了特殊人群及特殊场合的使用；同时测量模块，使用了齿轮系传动装置，对应于N级齿轮系，精确度可达到(1/5)N对应单位，如二级齿轮系精确度可达到1/25对应单位，拥有较高的精确度；加入可充电电池，节约能源，反复使用。One of the above technical solutions has the following advantages or beneficial effects, the steel tape can be automatically stretched out for measurement, and the automatic reading is displayed on the display screen, which greatly facilitates the use of special groups of people and special occasions; at the same time, the measurement module, The gear train transmission device is used, corresponding to the N-level gear train, the accuracy can reach (1/5)N corresponding units, such as the second-level gear train accuracy can reach 1/25 corresponding units, with high accuracy; add Rechargeable battery, energy saving, repeated use.
附图说明Description of drawings
图1为本实用新型实施例中提供的自动测量卷尺的结构示意图；Fig. 1 is the structural representation of the automatic measuring tape provided in the utility model embodiment;
图2为图1的测量模块和采集模块的结构示意图；Fig. 2 is a schematic structural diagram of the measurement module and the acquisition module of Fig. 1;
图3为图1的电路模块原理图；Fig. 3 is a schematic diagram of the circuit module of Fig. 1;
图4为图1的第四齿轮的结构示意图；Fig. 4 is a schematic structural view of the fourth gear of Fig. 1;
上述图中的标记均为：1、第一弹性轮，2、第二弹性轮，3、第一齿轮，4、第二齿轮，5、第三齿轮，6、第四齿轮，7、激光发射器，8、激光接收器，9、电机，10、钢卷尺槽槽口，11、按键按钮，12、外壳，13、显示屏幕，14、电池槽，15、卷尺本体，16、USB充电口，17、电机模块，18、测量模块，19、采集模块，20、MCU模块，21、按键模块，22、显示模块。The marks in the above figures are: 1. First elastic wheel, 2. Second elastic wheel, 3. First gear, 4. Second gear, 5. Third gear, 6. Fourth gear, 7. Laser emission Device, 8. Laser receiver, 9. Motor, 10. Steel tape notch, 11. Button, 12. Shell, 13. Display screen, 14. Battery slot, 15. Tape body, 16. USB charging port, 17. Motor module, 18. Measurement module, 19. Acquisition module, 20. MCU module, 21. Button module, 22. Display module.
具体实施方式detailed description
为使本实用新型的目的、技术方案和优点更加清楚，下面将结合附图对本实用新型实施方式作进一步地详细描述。In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.
参见图1和图3，一种自动测量卷尺，具有：See Figures 1 and 3, an automatic measuring tape with:
外壳，外壳上设有卷尺槽槽口；A casing, the casing is provided with a notch for a tape measure;
卷尺本体，容纳在外壳内，卷尺本体的头部伸出卷尺槽槽口；The tape measure body is accommodated in the casing, and the head of the tape measure body extends out of the notch of the tape measure groove;
MCU模块；MCU模块包括单片机和内部电路。MCU module; MCU module includes single-chip microcomputer and internal circuit.
显示模块，设置在外壳表面，与MCU模块电连接，显示测量数值；显示模块包括安装在外壳表面的显示屏和内部电路。The display module is arranged on the surface of the shell, electrically connected with the MCU module, and displays the measured value; the display module includes a display screen and an internal circuit installed on the surface of the shell.
按键模块，设置在外壳表面，与MCU模块电连接，作为测量的开关；键模块包括安装在外壳表面上的按键和配合内部按键的电路。The key module is arranged on the surface of the shell, electrically connected with the MCU module, and used as a switch for measurement; the key module includes a key installed on the surface of the shell and a circuit matching the internal key.
测量模块，与MCU模块电连接，设置在外壳内部，控制卷尺伸入或伸出，并测量卷尺的伸出长度，测量模块具有：The measurement module is electrically connected with the MCU module, and is set inside the casing to control the extension or extension of the tape measure and measure the extension length of the tape measure. The measurement module has:
可转动地设置在外壳内的第一轴和第二轴，第一轴上固定有第一弹性轮，第二轴上固定有第二弹性轮，第一弹性轮和第二弹性轮夹紧卷尺本体；The first shaft and the second shaft are rotatably arranged in the casing, the first elastic wheel is fixed on the first shaft, the second elastic wheel is fixed on the second shaft, the first elastic wheel and the second elastic wheel clamp the tape measure Ontology;
电机模块，与MCU模块电连接并驱动第二轴转动；电机模块包括固定在外壳上的电机和内部电路。The motor module is electrically connected with the MCU module and drives the second shaft to rotate; the motor module includes a motor fixed on the casing and an internal circuit.
齿轮加速机构，设置在外壳内，将第二轴的转动传递到第四轴；a gear speed-up mechanism, which is arranged in the casing, and transmits the rotation of the second shaft to the fourth shaft;
自动测量卷尺还具有采集模块，采集模块与MCU模块电连接，采集模块采集第四轴的转动圈数。The automatic measuring tape also has a collection module, the collection module is electrically connected with the MCU module, and the collection module collects the number of rotations of the fourth axis.
第四轴上固定有第四齿轮，第四齿轮设有沿轴向的通孔，如图4所示；采集模块为激光发射器和激光接收器，第四齿轮的通孔的中心与激光发射器和激光接收器处于同一水平直线上。激光发射器及激光接收器连接至MCU模块，激光接收器可接收由激光发射器发射的信号。A fourth gear is fixed on the fourth shaft, and the fourth gear is provided with a through hole along the axial direction, as shown in Figure 4; the acquisition module is a laser transmitter and a laser receiver, and the center of the through hole of the fourth gear is aligned with the laser emission The detector and the laser receiver are on the same horizontal line. The laser transmitter and the laser receiver are connected to the MCU module, and the laser receiver can receive the signal emitted by the laser transmitter.
齿轮加速机构至少为二级加速机构。The gear acceleration mechanism is at least a secondary acceleration mechanism.
如图2所示，齿轮加速机构包括：第三轴、第四轴、第一齿轮、第二齿轮、第三齿轮和第四齿轮，As shown in Figure 2, the gear acceleration mechanism includes: a third shaft, a fourth shaft, a first gear, a second gear, a third gear and a fourth gear,
第三轴和第四轴可转动地安装在外壳内部，第一齿轮固定在第二轴上，第二齿轮和第三齿轮固定在第三轴上，第四齿轮固定在第四轴上；The third shaft and the fourth shaft are rotatably installed inside the housing, the first gear is fixed on the second shaft, the second gear and the third gear are fixed on the third shaft, and the fourth gear is fixed on the fourth shaft;
第一齿轮和第二齿轮相啮合，第三齿轮和第四齿轮相啮合，第一齿轮直径大于第二齿轮，第三齿轮直径大于第四齿轮。The first gear meshes with the second gear, the third gear meshes with the fourth gear, the diameter of the first gear is larger than that of the second gear, and the diameter of the third gear is larger than that of the fourth gear.
外壳上设有电池槽，作为供电机构的电池安装在电池槽内。A battery slot is arranged on the casing, and a battery serving as a power supply mechanism is installed in the battery slot.
外壳上还设有为电池充电的USB充电口。There is also a USB charging port on the case to charge the battery.
外壳及外壳上设置的按键按钮、显示屏幕、电池槽、USB充电接口、钢卷尺槽槽口及钢卷尺；内部为：电机模块连接测量模块，测量模块连接采集模块，采集模块连接MCU模块，并且MCU模块与显示模块和按键模块分别相连接。其外壳形状为长方体外壳与半圆柱外壳相连接，在外壳分别开出圆孔、不同方形孔，方形凹槽，分别对应放置按键按钮、USB充电接口及钢卷尺槽槽口、显示屏幕；于外壳底板上，在半圆柱空壳部分开出电池槽放置电池；在外壳底板上放置圆柱形有轴槽，将钢卷尺缠绕成多圈放置在圆柱形有轴槽中，由测量模块送出。The shell and the buttons set on the shell, the display screen, the battery slot, the USB charging interface, the notch of the steel tape measure and the steel tape measure; the inside is: the motor module is connected to the measurement module, the measurement module is connected to the acquisition module, the acquisition module is connected to the MCU module, and The MCU module is connected with the display module and the button module respectively. The shape of the shell is that the rectangular parallelepiped shell is connected with the semi-cylindrical shell, and round holes, different square holes, and square grooves are respectively opened in the shell, and the buttons, USB charging interface, steel tape notch, and display screen are placed correspondingly; on the shell On the bottom plate, a battery slot is opened in the semi-cylindrical hollow shell to place the battery; a cylindrical shaft slot is placed on the bottom plate of the shell, and the steel tape is wound into multiple turns and placed in the cylindrical shaft slot, and sent out by the measurement module.
如图2所示，其测量部分包括：在外壳底板上放置方形槽，在方形槽中分别开出对应于第一弹性轮、第二弹性轮、第一齿轮、第二齿轮、第三齿轮、第四齿轮的尺寸大小的齿轮槽，在各个齿轮槽中放置对应齿轮；第四齿轮，在沿轴向开出至少一个通孔，转动第四齿轮，通孔中心与激光发射器和激光接收器可处于同一水平直线上。As shown in Figure 2, its measuring part includes: placing a square groove on the bottom plate of the casing, and opening corresponding to the first elastic wheel, the second elastic wheel, the first gear, the second gear, the third gear, The gear grooves of the size of the fourth gear are used to place corresponding gears in each gear groove; the fourth gear is provided with at least one through hole in the axial direction to rotate the fourth gear, and the center of the through hole is connected with the laser transmitter and the laser receiver be on the same horizontal line.
测量模块至少为二级齿轮系，齿轮系中含第一弹性轮和第二弹性轮，第二弹性轮为主动轮，由电机模块中的电机驱动，第一弹性轮为弹性轮的从动轮，在弹性轮和弹性轮中夹紧钢卷尺，弹性轮与第一齿轮同轴，第一齿轮与第二齿轮相互啮合，第二齿轮与第三齿轮同轴，第三齿轮与第四齿轮相互啮合。The measurement module is at least a two-stage gear train. The gear train includes a first elastic wheel and a second elastic wheel. The second elastic wheel is a driving wheel driven by a motor in the motor module. The first elastic wheel is a driven wheel of the elastic wheel. Clamp the steel tape in the elastic wheel and the elastic wheel, the elastic wheel is coaxial with the first gear, the first gear meshes with the second gear, the second gear coaxially with the third gear, and the third gear meshes with the fourth gear .
采集模块包括：在测量模块中第四齿轮两侧开出两个槽位放置激光发射器及激光接收器，激光发射器与激光接收器在同一水平直线上，激光接收器可接收由激光发射器发射的激光信号，激光接收器连接至MCU模块。The acquisition module includes: two slots are opened on both sides of the fourth gear in the measurement module to place the laser emitter and the laser receiver. The laser emitter and the laser receiver are on the same horizontal line, and the laser receiver can receive the The emitted laser signal, the laser receiver is connected to the MCU module.
在底板开出按键模块槽位，放置按键模块，包括外壳表面上的按键和内部按键电路。A button module slot is opened on the base plate, and the button module is placed, including buttons on the surface of the shell and an internal button circuit.
在底板开出显示模块槽位，放置显示模块包括外壳表面上的显示屏和内部电路。A display module slot is opened on the bottom plate, and the display module is placed, including a display screen and an internal circuit on the surface of the casing.
在底板开出MCU模块槽位，放置MCU模块包括单片机和内部电路。Open the MCU module slot on the bottom plate, and place the MCU module including the single-chip microcomputer and the internal circuit.
在底板开出电池槽位，放置电池通过USB充电口进行充电。A battery slot is opened on the bottom plate, and the battery is placed to be charged through the USB charging port.
MCU模块通过第四齿轮的转动圈数计算第一弹性轮的转动圈数，从而计算出卷尺伸出的距离，即可读出卷尺的读数。采用多级加速系统，能够进一步提高测量精度。The MCU module calculates the number of rotations of the first elastic wheel through the number of rotations of the fourth gear, so as to calculate the distance that the tape extends, and then read the reading of the tape. The use of multi-level acceleration system can further improve the measurement accuracy.
采用上述的结构后，可以让钢卷尺自动伸出进行测量，并且进行自动读数在显示屏上显示，大大方面了特殊人群及特殊场合的使用；同时测量模块，使用了齿轮系传动装置，对应于N级齿轮系，精确度可达到(1/5)N对应单位，如二级齿轮系精确度可达到1/25对应单位，拥有较高的精确度；加入可充电电池，节约能源，反复使用。After adopting the above structure, the steel tape can be automatically stretched out for measurement, and the automatic reading can be displayed on the display screen, which greatly facilitates the use of special people and special occasions; at the same time, the measurement module uses a gear train transmission device, corresponding to N-level gear train, the accuracy can reach (1/5)N corresponding unit, such as the second-level gear train accuracy can reach 1/25 corresponding unit, with high accuracy; add rechargeable battery, save energy, and use repeatedly .
上面结合附图对本实用新型进行了示例性描述，显然本实用新型具体实现并不受上述方式的限制，只要采用了本实用新型的方法构思和技术方案进行的各种非实质性的改进，或未经改进将本实用新型的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围之内。The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641784.0UCN205991753U (en) | 2016-06-25 | 2016-06-25 | Automatic measurement tape measure |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620641784.0UCN205991753U (en) | 2016-06-25 | 2016-06-25 | Automatic measurement tape measure |
| Publication Number | Publication Date |
|---|---|
| CN205991753Utrue CN205991753U (en) | 2017-03-01 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620641784.0UActiveCN205991753U (en) | 2016-06-25 | 2016-06-25 | Automatic measurement tape measure |
| Country | Link |
|---|---|
| CN (1) | CN205991753U (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953673A (en)* | 2016-06-25 | 2016-09-21 | 安徽工程大学机电学院 | Automatic measurement tape |
| CN111265309A (en)* | 2020-02-19 | 2020-06-12 | 山东大学齐鲁医院 | Electronic Measuring Ruler for Medium Length Catheter Length |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953673A (en)* | 2016-06-25 | 2016-09-21 | 安徽工程大学机电学院 | Automatic measurement tape |
| CN111265309A (en)* | 2020-02-19 | 2020-06-12 | 山东大学齐鲁医院 | Electronic Measuring Ruler for Medium Length Catheter Length |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |