Laser digital display gradienter

Abstract

The problem that an existing gradienter is single in function is solved. The utility model provides a laser digital display gradienter which comprises a shell, a laser module for emitting laser, a digital display module, an acceleration sensor module, a control module and a power supply module, wherein the digital display module comprises a display screen, the display screen is arranged on the surface of the shell, and the digital display module is further connected with the control module; the laser module, the acceleration sensor module and the power supply module are respectively connected with the control module, and the laser module is also connected with the power supply module; the laser module is arranged at the through hole part on the side surface of the shell; the acceleration sensor module, the power supply module and the control module are arranged in the shell; and the gradienter can also be used for aligning an extended surface to realize height comparison or other application scenes, so that the functions of the gradienter are enriched.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic levels, in particular to a laser digital display level. Background Art

[0002] A level is a tool used to measure the inclination angle of a plane relative to the horizontal position. Existing levels mainly include electronic and bubble types, among which electronic levels mainly rely on acceleration sensors or other types of sensors to obtain inclination data; the application of acceleration sensors in levels is shown in the content of the patent with authorization announcement number CN202433404U. The existing electronic level structure usually does not have a laser structure, such as the content shown in the patent with authorization announcement number CN212779220U. Therefore, the use scenario of the level is limited and can only be used for short-distance horizontal detection. It is difficult to observe the extension state of the surface, or it is difficult to realize the height difference detection of two surfaces or objects that are far apart. Therefore, a multi-functional, easy-to-use laser digital display level is needed. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provide a laser digital level.

[0004] In order to solve the above problems, the utility model adopts the following solutions:

[0005] A laser digital display level comprises a shell, and also comprises a laser module for emitting laser, a digital display module, an acceleration sensor module, a control module and a power module; wherein the digital display module comprises a display screen, the display screen is arranged on the surface of the shell, and the digital display module is also connected to the control module; the laser module, the acceleration sensor module and the power module are respectively connected to the control module, and the laser module is also connected to the power module; the laser module is arranged in the through hole portion of the side of the shell, and the acceleration sensor module, the power module and the control module are arranged inside the shell.

[0006] Furthermore, the control module includes a single-chip microcomputer chip, and the single-chip microcomputer chip is provided with a plurality of programmable pins.

[0007] Furthermore, it also includes a button circuit, which includes a plurality of button switches, and the button switches are connected to the power supply circuit and programmable pins set in the single-chip microcomputer chip.

[0008] Furthermore, the digital display module includes two display screens, which are respectively arranged on two adjacent or opposite sides of the square shell.

[0009] Furthermore, the laser module includes a green laser or a red laser, and the laser is arranged on the side of the square shell; the laser module also includes a switch circuit, and the switch circuit is arranged between the laser and the power module; the switch circuit is also connected to the control module.

[0010] Furthermore, the acceleration sensor module includes an acceleration sensor, and the acceleration sensor is connected to the control module.

[0011] Furthermore, the acceleration sensor module also includes a signal filtering circuit; the signal filtering circuit is arranged between the acceleration sensor and the control module.

[0012] Furthermore, the power module includes a battery, a voltage stabilizing circuit, a voltage detection circuit, a charging circuit and a charging wake-up circuit; wherein the battery is connected to the control module and the laser module respectively through the voltage stabilizing circuit; the charging wake-up circuit is connected to the charging circuit and the control module respectively; the charging circuit is also connected to the battery; and the voltage detection circuit is connected to the battery and the control module respectively.

[0013] Furthermore, it also includes a temperature module, which is connected to the control module.

[0014] Furthermore, the temperature module includes an NTC thermistor.

[0015] The beneficial effects of the utility model are:

[0016] By setting a laser module and an acceleration sensor module in the shell, the levelness detection is realized. At the same time, with the aid of laser rays, it can also be used to find the extended surface to achieve height comparison or other application scenarios, enriching the functions of the level meter;

[0017] By arranging two display screens on two surfaces of the housing, it is convenient to observe the contents displayed on the display screens at multiple angles, thereby increasing the viewing angle;

[0018] By setting the temperature module, the ambient temperature can be detected and the functions of the level meter can be enriched. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall appearance structure of Example 1 Figure 1 ;

[0020] Figure 2 The overall appearance structure of Example 1 Figure 2 ;

[0021] Figure 3 This is a diagram showing the internal layout of the housing of Example 1;

[0022] Figure 4 This is a connection block diagram of Example 1;

[0023] Figure 5 A circuit diagram of a single-chip microcomputer chip of a control module of Example 1;

[0024] Figure 6 This is a schematic diagram of a button circuit of a control module of Example 1;

[0025] Figure 7 The circuit diagram of two display screens of Example 1;

[0026] Figure 8 is a circuit diagram of the driver chip of Example 1;

[0027] Fig. 9 The backlight control circuit diagram of the display screen of Example 1;

[0028] Fig.10 The contrast adjustment circuit diagram of the display screen of Example 1;

[0029] Fig.11 is a switch circuit diagram of the laser module of Example 1;

[0030] Fig.12 The circuit diagram of the acceleration sensor module of Example 1;

[0031] Fig.13 The voltage stabilizing circuit diagram of the power module of Example 1;

[0032] Fig.14 A circuit diagram of a voltage detection circuit detection part of a power module of Example 1;

[0033] Fig.15 The circuit diagram of the voltage detection circuit indicating part of the power module of Example 1

[0034] Fig.16 The charging circuit diagram of the power module of Example 1;

[0035] Fig.17 This is a charging wake-up circuit diagram of the power module of Example 1;

[0036] Fig.18 This is the circuit diagram of the temperature module of Example 1.

[0037] Description of the accompanying drawings: housing 1, anti-slip groove 11, magnet 12, laser module 2, digital display module 3, display screen 31, acceleration sensor module 4, control module 5, button switch 51, power module 6, temperature module 7. DETAILED DESCRIPTION

[0038] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0039] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and the figures only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0040] Embodiment 1:

[0041] like Figures 1 to 18 As shown, a laser digital display level includes a shell 1; it also includes a laser module 2 for emitting laser, a digital display module 3, an acceleration sensor module 4, a control module 5 and a power module 6; wherein the digital display module 3 includes a display screen 31, the display screen 31 is arranged on the surface of the shell 1, and the digital display module 3 is also connected to the control module 5; the laser module 2, the acceleration sensor module 4 and the power module 6 are respectively connected to the control module 5, and the laser module 2 is also connected to the power module 6; the laser module 2 is arranged in the through hole portion on the side of the shell 1, and the acceleration sensor module 4, the power module 6 and the control module 5 are arranged inside the shell 1.

[0042] The control module 5 includes a single-chip microcomputer chip U2, and the model of the single-chip microcomputer chip U2 is STC8H3K64S2-45I-LQFP32; wherein the single-chip microcomputer chip U2 is provided with a plurality of programmable pins; the control module 5 is also connected to a button circuit, and the button circuit includes a plurality of button switches 51, and the button switches 51 are connected to the power supply circuit and the programmable pins set in the single-chip microcomputer chip U2; the button switches 51 include a power switch button SW1, a unit conversion button SW2, a calibration button SW3 and a lock button SW4, wherein one end of the button switch 51 is connected to the 3.3V voltage output by the power module 6 through a resistor, and the other end of the button switch 51 is grounded, and the end of the button switch 51 connected to the power module 6 is also connected to the single-chip microcomputer chip U2. It should be noted that, in this example, pin 4 of the single-chip microcomputer chip U2 is connected to the charging wake-up circuit in the power module 6 described below; pins 15, 16, 17 and 18 of the single-chip microcomputer chip U2 are respectively connected to the power switch button SW1, the unit conversion button SW2, the calibration button SW3 and the lock button SW4; pin 7 of the single-chip microcomputer chip U2 is connected to a 2.5V voltage regulator source, which in this example is the voltage output by the power module 6 after being stabilized by the voltage regulator chip U5; pin 19 of the single-chip microcomputer chip U2 is connected to the voltage detection circuit in the power module 6 described below; pins 29 and 30 of the single-chip microcomputer chip U2 are respectively connected to the backlight control ports of the two display screens 31 in the digital display module 3 described below; pin 31 of the single-chip microcomputer chip U2 is connected to the voltage detection circuit in the power module 6; pin 32 of the single-chip microcomputer chip U2 is connected to the power output control port of the voltage regulator circuit in the power module 6 described below. It should be noted that the control module 5 also includes a program burning interface WR1, which is connected to pins 13 and 14 of the single-chip microcomputer chip U2 for burning. In this example, pins 8 and 10 of the single-chip microcomputer chip U2, which are used as power input interfaces, are also connected in parallel with grounded filter capacitors to achieve MCU power supply filtering.

[0043] The digital display module 3 includes two display screens 31, and in this example, both display screens 31 are LCD display screens 31; the two display screens 31 are respectively arranged on two adjacent or opposite sides of the square housing 1. In this example, the housing 1 is a square box, and the interior of the housing 1 is hollow, wherein one of the display screens LCD_M is arranged on one of the sides with the largest area in the housing 1, and another display screen LCD_S is arranged on one of the sides with the second largest area; it should be noted that in this example, the side of the housing 1 with the display screen LCD_M is used as the front surface, and the side with the display screen LCD_S is used as the upper surface. The digital display module 3 also includes a driver chip U6, and the model of the driver chip U6 is VK1072D; pins 6, 7 and 8 of the driver chip U6 are respectively connected to pins 27, 26 and 25 of the microcontroller chip U2; the pins in the driver chip U6 are also respectively connected to the display screen LCD_M and the display screen LCD_S. It should be noted that the connection between the driver chip U6 and the display screen LCD_M and the display screen LCD_S is the same, ensuring that the contents displayed on the display screen LCD_M and the display screen LCD_S are synchronized. The digital display module 3 also includes a contrast adjustment circuit and a backlight control circuit, wherein there are two backlight control circuits, corresponding to two display screens 31 respectively; in this example, pin 22 of the display screen LCD_M is its backlight control pin, and pin 22 of the display screen LCD_M is connected to pin 30 of the microcontroller chip U2 through the backlight control circuit; pin 22 of the display screen LCD_S is its backlight control pin, and pin 22 of the display screen LCD_S is connected to pin 29 of the microcontroller chip U2 through the backlight control circuit.

[0044] The laser module 2 includes a green laser or a red laser, and the laser is arranged on the side of the square housing 1. In this example, the laser module 2 is arranged on the smallest side of the housing 1; the laser module 2 also includes a switch circuit, and the switch circuit is arranged between the laser and the power module 6; the switch circuit is also connected to the control module 5. In this example, the laser module 2 includes a green laser 6X9.5-515; the switch circuit includes a MOS tube Q7, a connection terminal JG_G and a resistor R39; wherein the source of the MOS tube Q7 is grounded, the drain of the MOS tube Q7 is connected to the No. 2 pin of the connection terminal JG_G of the two interfaces, and the gate of the MOS tube Q7 is connected to the No. 20 pin of the single-chip microcomputer chip U2 through the resistor R39; the No. 1 pin of the connection terminal JG_G is connected to the power module 6, and in this example, the No. 1 pin of the connection terminal JG_G is connected to the battery in the power module 6.

[0045] The acceleration sensor module 4 includes an acceleration sensor U4 and a signal filtering circuit. In this example, the model of the acceleration sensor U4 is MXA2500EL-LCC-8; the acceleration sensor U4 is connected to the control module 5 through the signal filtering circuit; it should be noted that in some other embodiments, the acceleration sensor U4 can also be directly connected to the control module 5. The signal filtering circuit includes a grounded capacitor, and the grounded capacitor is connected in parallel with the signal output by the acceleration sensor U4. Pin 2 of the acceleration sensor U4 is used as the signal output of its Y-axis acceleration. Pin 2 of the acceleration sensor U4 is connected to the grounding capacitor C13 in parallel after passing through the resistor R25, and finally connected to pin 3 of the single-chip chip U2; Pin 5 of the acceleration sensor U4 is used as the signal output of its X-axis acceleration. Pin 5 of the acceleration sensor U4 is connected to the grounding capacitor C14 in parallel after passing through the resistor R26, and finally connected to pin 2 of the single-chip chip U2. The current inclination angle can be sensed by the acceleration sensor module 4, thereby realizing the detection of the horizontality of the surface to be detected.

[0046] The power module 6 includes a battery, a voltage stabilizing circuit, a voltage detection circuit, a charging circuit and a charging wake-up circuit; wherein the battery is connected to the control module 5 and the laser module 2 respectively through the voltage stabilizing circuit; the charging wake-up circuit is connected to the charging circuit and the control module 5 respectively; the charging circuit is also connected to the battery; and the voltage detection circuit is connected to the battery and the control module 5 respectively.

[0047] The battery is a lithium battery capable of cyclic charging. The lithium battery is provided with a lithium battery interface BAT1, which is connected to the lithium battery through the lithium battery interface BAT1 and outputs the lithium battery voltage BAT+ at its pin 1; in this example, the pin 1 of the lithium battery interface BAT1 is directly connected to the pin 1 of the connection terminal JG_G in the laser module 2, and the pin 1 of the lithium battery interface BAT1 is also connected to the charging circuit, the voltage stabilizing circuit and the voltage detection circuit. The pin 1 of the lithium battery interface BAT1 is also grounded through a capacitor C8.

[0048] The voltage stabilizing circuit includes a voltage stabilizing chip U8. In this example, the voltage stabilizing chip U8 adopts ME6230A33PG; the No. 2 pin of the voltage stabilizing chip U8 is directly connected to the No. 1 pin of the lithium battery interface BAT1, the No. 1 pin of the voltage stabilizing chip U8 is directly grounded, and the No. 3 pin of the voltage stabilizing chip U8 is used as the output end of the 3.3V voltage; the No. 3 pin of the voltage stabilizing chip U8 is also grounded through two capacitors C16 and C18 connected in parallel. The No. 3 pin of the voltage stabilizing chip U8 is also connected to the resistor R18 and the source of the MOS tube Q3; the other end of the resistor R18 is respectively connected to the resistor R17 and the gate of the MOS tube Q3; the other end of the resistor R17 is connected to the No. 32 pin of the single-chip microcomputer chip U2; the drain of the MOS tube Q3 is grounded through two capacitors C10 and C11 connected in parallel; the drain of the MOS tube Q3 is used as the VCC voltage output end. It should be noted that one end of the resistor R17 connected to the microcontroller chip U2 serves as the power output control port of the voltage stabilizing circuit, because only when there is a certain voltage at the connection position can the MOS tube be activated and turned on, and then there will be a voltage output at the drain of the MOS tube Q3.

[0049] The voltage detection circuit includes a detection part and an indication part. The detection part includes a resistor R37 and a resistor R36 connected in series; the end of the resistor R37 away from the resistor R36 is connected to the pin 1 of the lithium battery interface BAT1; the end of the resistor R36 away from the resistor R37 is grounded; the end of the resistor R37 close to the resistor R36 is connected to the pin 31 of the single-chip chip U2; the end of the resistor R37 close to the resistor R36 is also grounded through a capacitor C25. The indication part includes a lamp bead LED1, wherein the anode of LED1 is connected to the pin 3 of the voltage stabilizing chip U8 through a resistor R23; the cathode of LED1 is connected to the emitter of the transistor Q6; the collector of the transistor Q6 is grounded, and the base of the transistor Q6 is connected to the pin 19 of the single-chip chip through a resistor R22. When the voltage detected by the detection part is lower than the set value, the lamp bead LED1 of the indication part is controlled to emit light.

[0050] The charging circuit includes a charging chip U3. In this example, the charging chip U3 adopts TP4056-42-ESOP8; pins 4 and 8 of the charging chip U3 are connected and connected to an external power supply through a charging interface P2; pins 4 and 8 of the charging chip U3 are also grounded through a capacitor C20; pin 5 of the charging chip U3 is connected to pin 1 of a lithium battery interface BAT1 for charging; pins 1, 3 and 9 of the charging chip U3 are directly grounded; pin 2 of the charging chip U3 is grounded through a resistor R30; pins 6 and 7 of the charging chip U3 serve as charging status indication pins, wherein pin 6 of the charging chip U3 is connected to the cathode of the lamp bead LED3 through a resistor R29, and the anode of the lamp bead LED3 is connected to an external power supply through the charging interface P2, and pin 7 of the charging chip U3 is connected to the cathode of the lamp bead LED2 through a resistor R28, and the anode of the lamp bead LED2 is connected to an external power supply through the charging interface P2.

[0051] The charging wake-up circuit includes a transistor Q2; wherein the emitter of the transistor Q2 is connected to the No. 3 pin of the voltage stabilizing chip U8 in the voltage stabilizing circuit through a resistor R38, and receives a voltage of 3.3V; the emitter of the transistor Q2 is also connected to the No. 4 pin of the single-chip microcomputer chip U2; the collector of the transistor Q2 is grounded; the base of the transistor Q2 is connected to the cathode of the diode D2 through a resistor R20, and the anode of the diode D2 is connected to the external power supply through the charging interface P2. When the charging interface P2 is not connected to the external power supply, the base of the transistor Q2 is at a low level, at which time the transistor Q2 is not turned on, and the emitter of the transistor Q2 is at a high level, and when the charging interface P2 is not connected to the external power supply, the transistor Q2 is turned on, and the emitter of the transistor Q2 is grounded at a low level, so as to detect whether the external power supply is connected.

[0052] It also includes a temperature module 7, which is connected to the control module 5; the temperature module 7 includes an NTC thermistor R19. In this example, one end of the NTC thermistor R19 is grounded, and the other end of the NTC thermistor R19 is respectively connected to the No. 1 pin of the single-chip microcomputer chip U2 and the resistor R16; the other end of the resistor R16 is connected to the 2.5V voltage output after voltage stabilization by the voltage stabilizing chip U5 in the control module 5; one end of the NTC thermistor R19 connected to the resistor R16 is also grounded through a capacitor C9.

[0053] The side of the shell 1 facing away from the front display screen 31 is also provided with anti-slip grooves 11; the side of the shell 1 facing away from the upper surface display screen 31 is also provided with a magnet 12 for magnetic attraction, so as to facilitate direct adsorption of the shell 1 on some magnetizable materials.

[0054] During the implementation process, by arranging a laser module 2 and an acceleration sensor module 4 in the shell 1, the detection of the horizontality is realized. At the same time, with the assistance of laser rays, it can also be used to locate the extended surface to achieve height comparison, or other application scenarios, thereby enriching the function of the level meter; by arranging two display screens 31 on the two surfaces of the shell 1, it is convenient to observe the content displayed on the display screen 31 at multiple angles, thereby increasing the viewing angle; by setting the temperature module 7, the detection of the ambient temperature is realized, thereby enriching the function of the level meter.

[0055] The above description is only a specific example of the utility model and does not constitute any limitation to the utility model. Obviously, for professionals in this field, after understanding the content and principle of the utility model, it is possible to make various modifications and changes in form and details without departing from the principle and structure of the utility model, but these modifications and changes based on the idea of ​​the utility model are still within the scope of protection of the claims of the utility model.

Claims

1. A laser digital level, comprising a housing (1), characterized in that: The invention also comprises a laser module (2) for emitting laser light, a digital display module (3), an acceleration sensor module (4), a control module (5) and a power module (6); wherein the digital display module (3) comprises a display screen (31), the display screen (31) is arranged on the surface of the housing (1), and the digital display module (3) is also connected to the control module (5); the laser module (2), the acceleration sensor module (4) and the power module (6) are respectively connected to the control module (5), and the laser module (2) is also connected to the power module (6); the laser module (2) is arranged at a through hole portion on the side of the housing (1), and the acceleration sensor module (4), the power module (6) and the control module (5) are arranged inside the housing (1).

2. A laser digital level according to claim 1, characterized in that: The control module (5) comprises a single-chip microcomputer chip, and the single-chip microcomputer chip is provided with a plurality of programmable pins.

3. A laser digital level according to claim 2, characterized in that: It also includes a button circuit, which includes a plurality of button switches (51). The button switches (51) are connected to the power supply circuit and a programmable pin set in the single-chip microcomputer chip.

4. A laser digital level according to claim 1, characterized in that: The digital display module (3) comprises two display screens (31), and the two display screens (31) are respectively arranged on two adjacent or opposite side surfaces of the square housing (1).

5. The laser digital level according to claim 1, characterized in that: The laser module (2) comprises a green laser or a red laser, and the laser is arranged on the side of the square housing (1); the laser module (2) also comprises a switch circuit, and the switch circuit is arranged between the laser and the power module (6); the switch circuit is also connected to the control module (5).

6. A laser digital level according to claim 1, characterized in that: The acceleration sensor module (4) comprises an acceleration sensor, and the acceleration sensor is connected to a control module (5).

7. A laser digital level according to claim 6, characterized in that: The acceleration sensor module (4) further comprises a signal filtering circuit; the signal filtering circuit is arranged between the acceleration sensor and the control module (5).

8. The laser digital level according to claim 1, characterized in that: The power module (6) comprises a battery, a voltage stabilizing circuit, a voltage detection circuit, a charging circuit and a charging awakening circuit; wherein the battery is connected to the control module (5) and the laser module (2) respectively through the voltage stabilizing circuit; the charging awakening circuit is connected to the charging circuit and the control module (5) respectively; the charging circuit is also connected to the battery; and the voltage detection circuit is connected to the battery and the control module (5) respectively.

9. A laser digital level according to any one of claims 1 to 8, characterized in that: It also includes a temperature module (7), which is connected to the control module (5).

10. A laser digital level according to claim 9, characterized in that: The temperature module (7) comprises an NTC thermistor.

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