Digital display inclinometer

Abstract

The utility model relates to the technical field of inclination angle measuring instruments, and provides a digital display inclinometer, which comprises a plastic shell and a display module arranged in the plastic shell, and the display module comprises a lower cover shell and an upper cover shell combined with the lower cover shell up and down. A movable grid assembly, a fixed grid assembly which is positioned on the movable grid assembly through a nut and can rotate relative to the movable grid assembly, a liquid crystal screen which is conducted with the movable grid assembly and is used for displaying readings, and a power supply assembly which supplies power to the fixed grid assembly, the movable grid assembly and the liquid crystal screen are fixed in the lower housing and the upper housing; the key and the cover plate assembly are embedded in the upper housing; according to the utility model, a voltage signal is generated through rotation displacement of the fixed gate assembly and the movable gate assembly, the voltage signal is processed by the MCU to generate a digital signal, and the digital signal is transmitted to the liquid crystal screen through the conductive adhesive to display measurement data, so that a relative inclination angle of a measured object can be formed. The problems of many electronic devices, high price and high manufacturing cost in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of inclination measuring instruments, in particular to a digital display inclinometer. Background Art

[0002] Digital inclinometer, also known as slope meter, surveying instrument, angle meter / protractor / angle meter, is a measuring instrument for measuring the tilt angle of an object.

[0003] The conventional digital measuring instrument is assembled as follows: a battery, USB, chip, LCD, backlight, and electronic capacitors are soldered onto a PCB. The keypad is then placed inside an upper housing. The completed PCB is then placed inside the upper housing. The lower and upper housings are then screwed together. Finally, a glass sheet is attached to the front of the upper housing using double-sided tape. These instruments use a complex multifunctional chip (similar to a gravity gyroscope) to measure angles, and then display the angle on an LCD (which often includes expensive electronic components), making them unsuitable for widespread adoption. Utility Model Content

[0004] The utility model provides a digital display inclinometer, which solves the problem of expensive electronic devices and high production costs in the prior art.

[0005] The technical solution of the utility model is as follows: a digital inclinometer, comprising a plastic shell and a display module installed in the plastic shell, the display module comprising a lower cover shell and an upper cover shell assembled with the lower cover shell, a moving grid assembly fixed in the lower cover shell and the upper cover shell, a fixed grid assembly positioned on the moving grid assembly by a nut and capable of rotating relative to the moving grid assembly, a liquid crystal screen connected to the moving grid assembly for displaying readings, a power supply assembly providing power to the fixed grid assembly, the moving grid assembly and the liquid crystal screen, a button and cover assembly embedded in the upper cover shell, and a leveling assembly for zeroing the liquid crystal screen is provided outside the plastic shell.

[0006] Preferably, the plastic shell includes a lower shell and an upper shell assembled with the lower shell, and the lower shell and the upper shell are provided with a circular groove for accommodating the display module and a bayonet for accommodating the leveling component.

[0007] Preferably, the dynamic grid assembly includes a PCB board, on which touch switches and positive and negative electrode sheets corresponding to the buttons are welded, and the PCB board is glued with conductive glue electrically connected to the liquid crystal screen.

[0008] Preferably, the fixed grid assembly includes a fixed grid seat, an eccentrically arranged counterweight block is glued to the front of the fixed grid seat, a pin and a bearing are concentrically arranged in the center of the fixed grid seat, one end of the pin is pressed on the inner ring of the bearing, and the other end of the pin is fixed to the upper cover shell by a screw, and the screw passes through the pin and is threadedly connected to the nut, and a pointer is provided on the front of the fixed grid seat, pointing radially outward from the center of the circle.

[0009] Preferably, the fixed grid assembly further comprises a fixed grid sheet, and the fixed grid sheet is glued to the back side of the fixed grid seat.

[0010] Preferably, the power supply assembly includes a battery cover and a button battery loaded on the battery cover. The battery cover is fixed in the lower cover by screws and is connected to the positive and negative electrode sheets on the moving grid assembly after assembly.

[0011] Preferably, the cover assembly includes a first glass sheet and a second glass sheet, the first glass sheet is provided with an inclination scale value corresponding to the pointer on the front side of the fixed grid seat, and the second glass sheet is provided with a key hole corresponding to the key.

[0012] Preferably, the leveling assembly includes a first leveling bead and a second leveling bead, the first leveling bead and the second leveling bead are perpendicular to each other and are respectively clamped in the bayonet sockets of the lower shell and the upper shell.

[0013] The beneficial effects of the utility model are:

[0014] The present invention provides a structure of a fixed grid assembly and a movable grid assembly, utilizes the principle that the counterweight block rotates naturally downward due to gravity, and generates a voltage signal through the rotational displacement of the fixed grid assembly and the movable grid assembly. The voltage signal is processed by the MCU data to generate a digital signal, which is then transmitted to the liquid crystal screen by the conductive glue to display the measurement data. In this way, a relative inclination angle of the object to be measured can be completed. Compared with the existing technology, the structure is relatively simple and easy to manufacture, which solves the problem of expensive electronic devices and high manufacturing costs in the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the disassembled structure of the digital display inclinometer proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the plastic shell structure proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the dynamic grid assembly proposed in the utility model;

[0019] Figure 4This is a schematic diagram of the fixed grid assembly structure proposed in the present utility model;

[0020] Figure 5 This is a schematic diagram of the cover plate assembly structure proposed by the present invention;

[0021] In the figure: 1. Plastic shell; 11. Lower shell; 12. Upper shell; 13. Bayonet; 14. Circular groove; 2. Leveling assembly; 21. First leveling bead; 22. Second leveling bead; 3. Display module; 31. Lower cover; 32. Upper cover; 33. Fixed grid assembly; 331. Fixed grid seat; 332. Counterweight; 333. Pin; 334. Bearing; 335. Fixed grid; 34. Moving grid assembly; 341. PCB board; 342. Touch switch; 343. Conductive adhesive; 35. Power supply assembly; 351. Battery cover; 352. Button battery; 36. LCD screen; 37. Button; 38. Cover assembly; 381. First glass piece; 382. Second glass piece; 39. Nut. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1 The utility model provides a technical solution: a digital inclinometer, including a plastic shell 1 and a display module 3 installed in the plastic shell 1, the display module 3 includes a lower cover shell 31 and an upper cover shell 32 assembled with the lower cover shell 31, a moving grid assembly 34 is fixed in the lower cover shell 31 and the upper cover shell 32, a fixed grid assembly 33 positioned on the moving grid assembly 34 by a nut 39 and rotatable relative to the moving grid assembly 34, a liquid crystal screen 36 connected to the moving grid assembly 34 for displaying readings, a power supply assembly 35 for providing power to the fixed grid assembly 33, the moving grid assembly 34 and the liquid crystal screen 36, a button 37 and a cover assembly 38 embedded in the upper cover shell 32, and a leveling assembly 2 for zeroing the liquid crystal screen 36 is provided outside the plastic shell 1.

[0024] See also Figure 1 and Figure 2 The plastic shell 1 includes a lower shell 11 and an upper shell 12 assembled with the lower shell 11. The lower shell 11 and the upper shell 12 are provided with a circular groove 14 for accommodating the display module 3 and a bayonet 13 for accommodating the leveling component 2. The circular groove 14 of the upper shell 12 is provided with a scale line for the micro-rotation degree of the display module 3.

[0025] See also Figure 1 and Figure 3 The moving grid assembly 34 includes a PCB board 341, on which are welded touch switches 342 corresponding to the buttons 37 and positive and negative electrode sheets. The PCB board 341 is glued with conductive glue 343 that is electrically connected to the LCD screen 36. When assembling the moving grid assembly 34, first weld the positive and negative electrode sheets, touch switches 342, and capacitor chips (not shown) and other electronic components to the PCB board 341, then place the conductive glue 343 on the LCD screen 36, and then screw the PCB board 341 to the upper cover 32. The conductive glue 343 makes the PCB board 341 and the LCD screen 36 conductive, so that data can be displayed.

[0026] See also Figure 1 and Figure 4 The fixed grid assembly 33 includes a fixed grid seat 331, and an eccentrically arranged counterweight 332 is glued to the front of the fixed grid seat 331. A pin 333 and a bearing 334 are concentrically arranged at the center of the fixed grid seat 331. One end of the pin 333 presses on the inner ring of the bearing 334, and the other end of the pin 333 is fixed to the upper cover 32 by a screw, and the screw passes through the pin 333 and is threadedly connected to the nut 39. A pointer pointing radially outward from the center of the circle is provided on the front of the fixed grid seat 331. The fixed grid assembly 33 also includes a fixed grid piece 335, which is glued to the back of the fixed grid seat 331. When assembling the fixed grid assembly 33, first install the LCD screen 36 to the upper cover 32 inside, and place the button 37 into the upper cover shell 32, then rivet the bearing 334 to the fixed grid seat 331, and glue the counterweight 332 to the fixed grid seat 331 with glue, then pass the pin 333 through the bearing 334, so that one end face of the pin 333 presses against the inner ring of the bearing 334, then insert the other end of the pin 333 into the upper cover shell 32, and insert it into the pin 333 of the upper cover shell 32 through the screw, then glue the fixed grid piece 335 to the back of the fixed grid seat 331, and then use the nut 39 to lock the inner ring of the bearing 334 at the other end. At this time, the fixed grid seat 331 can be placed vertically and the horizontal plane can be found by the gravity of the counterweight 332.

[0027] See also Figure 1 The power supply component 35 includes a battery cover 351 and a button battery 352 loaded on the battery cover 351. The battery cover 351 is fixed to the lower cover 31 by screws and is connected to the positive and negative electrode sheets on the moving grid assembly 34 after assembly. When assembling the power supply component 35, first tighten the lower cover 31 and the upper cover 32 by screws, then load the button battery 352 into the battery cover 351, and insert it into the lower cover 31 from the back of the lower cover 31, thereby supplying power to the fixed grid assembly 33, the moving grid assembly 34 and the LCD screen 36, then tighten the battery cover 351 with screws, and then adhere the button 37 and the cover assembly 38 to the upper cover 32 through the front side of the double-sided tape, thereby completing the assembly of the display module 3.

[0028] See also Figure 5 The cover assembly 38 includes a first glass piece 381 and a second glass piece 382. The first glass piece 381 is provided with an inclination scale value corresponding to the pointer on the front of the fixed grid seat 331, which is used for manual reading and can be used when the device is out of power. The second glass piece 382 is provided with a key hole corresponding to the button 37, which is used to control and set the device.

[0029] See also Figure 1 The leveling assembly 2 includes a first horizontal bead 21 and a second horizontal bead 22. The first horizontal bead 21 and the second horizontal bead 22 are perpendicular to each other and are respectively clamped in the bayonet 13 of the lower shell 11 and the upper shell 12. The two first horizontal beads 21 and the second horizontal beads 22 are respectively placed into the two upper shells 12 of the upper shell 12, and then the assembled display module 3 is placed into the circular groove 14 of the upper shell 12. The lower shell 11 and the upper shell 12 are then tightened with screws to complete the product installation. It should be noted that the display module 3 is limited by the lower shell 11 and the upper shell 12, not pressed. At this time, the display module 3 can rotate around the center of the circular groove 14 and can rotate slightly relative to the scale of the circular groove 14 on the upper shell 12.

[0030] The working principle and usage process of the present invention are as follows: when in use, place the product on a normal plane, use the first leveling bead 21 and the second leveling bead 22 to align the product device, thereby clearing the data of the display module 3, and then place the product on the object to be measured. At this time, the counterweight block 332 naturally rotates downward due to gravity, and the fixed grid assembly 33 and the movable grid assembly 34 rotate to generate a voltage signal through their rotational displacement. After data processing by the MCU, a digital signal is generated and then transmitted to the LCD screen 36 by the conductive glue 343 to display the measurement data. In this way, a relative inclination of the object to be measured can be completed.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A digital inclinometer comprising a plastic housing (1) and a display module (3) mounted in the plastic housing (1), characterized in that: The display module (3) includes a lower cover shell (31) and an upper cover shell (32) assembled with the lower cover shell (31) above and below, wherein a movable grid assembly (34) is fixed in the lower cover shell (31) and the upper cover shell (32), a fixed grid assembly (33) positioned on the movable grid assembly (34) by a nut (39) and capable of rotating relative to the movable grid assembly (34), a liquid crystal screen (36) connected to the movable grid assembly (34) for displaying readings, a power supply assembly (35) for providing power to the fixed grid assembly (33), the movable grid assembly (34) and the liquid crystal screen (36), a button (37) and a cover assembly (38) embedded in the upper cover shell (32), and a leveling assembly (2) for zeroing the liquid crystal screen (36) is provided outside the plastic shell (1).

2. The digital inclinometer according to claim 1, characterized in that: The plastic housing (1) comprises a lower housing (11) and an upper housing (12) assembled with the lower housing (11) from top to bottom. The lower housing (11) and the upper housing (12) are provided with a circular groove (14) for accommodating the display module (3) and a bayonet (13) for accommodating the leveling component (2).

3. The digital inclinometer according to claim 1, characterized in that: The movable grid assembly (34) comprises a PCB (341), a touch switch (342) and positive and negative electrode sheets corresponding to the button (37) being welded on the PCB (341), and a conductive adhesive (343) electrically connected to the liquid crystal screen (36) being glued to the PCB (341).

4. The digital inclinometer according to claim 3, characterized in that: The fixed grid assembly (33) includes a fixed grid seat (331), an eccentrically arranged counterweight (332) is glued to the front of the fixed grid seat (331), a pin (333) and a bearing (334) are concentrically arranged at the center of the fixed grid seat (331), one end of the pin (333) presses on the inner ring of the bearing (334), the other end of the pin (333) is fixed to the upper cover (32) by a screw, and the screw passes through the pin (333) and is threadedly connected to the nut (39), and a pointer is provided on the front of the fixed grid seat (331) and points radially outward from the center of the circle.

5. The digital inclinometer according to claim 4, characterized in that: The fixed grid assembly (33) further comprises a fixed grid piece (335), and the fixed grid piece (335) is glued to the back side of the fixed grid seat (331).

6. The digital inclinometer according to claim 3, characterized in that: The power supply assembly (35) includes a battery cover (351) and a button battery (352) loaded on the battery cover (351). The battery cover (351) is fixed to the lower housing (31) by screws and is connected to the positive and negative electrode sheets on the moving grid assembly (34) after assembly.

7. The digital inclinometer according to claim 4, characterized in that: The cover plate assembly (38) comprises a first glass plate (381) and a second glass plate (382); the first glass plate (381) is provided with an inclination scale value corresponding to a pointer on the front of the fixed grid seat (331); and the second glass plate (382) is provided with a key hole corresponding to the key (37).

8. The digital inclinometer according to claim 2, characterized in that: The leveling assembly (2) comprises a first leveling bead (21) and a second leveling bead (22); the first leveling bead (21) and the second leveling bead (22) are perpendicular to each other and are respectively mounted in the bayonet holes (13) of the lower shell (11) and the upper shell (12).

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