A handheld wireless induction calibration device

Abstract

The present invention provides a handheld wireless induction calibration device, which comprises: a main body, a circuit board, a contact induction module, a main control module and a laser ranging module; the contact induction module is electrically connected to the circuit board, a storage cavity is provided in the main body, the circuit board is accommodated in the storage cavity and is fixedly connected to the main body, the main control module is accommodated in the storage cavity and is electrically connected to the circuit board, the contact induction module is fixedly connected to the main body and blocks the storage cavity, the laser ranging module is arranged between the contact induction module and the circuit board, and the laser ranging module is electrically connected to the circuit board; the handheld wireless induction calibration device provided by the present invention can accurately measure the height difference of adjacent LED display screens.

Description

Technical Field

[0001] The present invention relates to the technical field of LED display equipment, and in particular to a handheld wireless induction calibration device for detecting the height difference between adjacent LED display screens or adjacent LED lamp beads. Background Art

[0002] At present, LED display products, especially small-pitch products, are gradually developing and producing from the mainstream 1.2mm dot pitch in the market to smaller pitches. 0.7mm pitch products have appeared, and subsequent 0.6mm pitch and smaller pitch products in other packaging forms will be gradually launched and commercialized. Flatness control is a technical threshold that cannot be bypassed. Simply relying on processing accuracy, assembly accuracy and on-site manual adjustment accuracy will undoubtedly greatly increase costs and be inefficient; the manual measurement of the height difference data of adjacent LED display screens is not accurate, resulting in adjacent LED display screens still being uneven after adjustment and failing to meet the flatness requirements. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes a handheld wireless sensing calibration device for detecting the height difference between adjacent LED display screens or adjacent LED lamp beads, which can accurately measure the height difference between adjacent LED display screens.

[0004] The present invention is achieved through the following technical solutions:

[0005] The present invention provides a handheld wireless induction calibration device, which comprises: a main body, a circuit board, a contact sensing module, a main control module and a laser ranging module; the contact sensing module is electrically connected to the circuit board, a storage cavity is provided in the main body, the circuit board is accommodated in the storage cavity and fixedly connected to the main body, the main control module is accommodated in the storage cavity and electrically connected to the circuit board, the contact sensing module is fixedly connected to the main body and blocks the storage cavity, the laser ranging module is arranged between the contact sensing module and the circuit board, and the laser ranging module is electrically connected to the circuit board; when the handheld wireless induction calibration device detects the height difference of adjacent LED display screens outside, the contact sensing module contacts the highest point of the adjacent LED display screens outside, the contact sensing module generates a driving signal and transmits it to the main control module, the main control module drives the laser ranging module according to the driving signal, calculates the height difference data of the adjacent LED display screens based on the highest point of the adjacent LED display screens contacted by the contact sensing module, and then transmits the height difference data back to the main control module.

[0006] Furthermore, the handheld wireless sensing calibration device also includes: a wireless transceiver module; the wireless transceiver module is housed in the storage cavity and electrically connected to the circuit board, the main control module transmits the height difference data to the wireless transceiver module, and the wireless transceiver module sends the height difference data to an external device via a wireless signal.

[0007] Furthermore, the handheld wireless induction calibration device also includes: a data interface; the data interface is fixedly mounted on the main body and electrically connected to the circuit board, the main control module transmits the height difference data to the data interface, and the height difference data can be transmitted to an external device through the data interface.

[0008] Furthermore, the handheld wireless induction calibration device also includes: a battery; the battery is accommodated in the storage cavity and fixedly connected to the main body, and the battery is electrically connected to the circuit board.

[0009] Furthermore, the handheld wireless induction calibration device also includes: a touch switch; the touch switch is fixedly mounted on the main body and electrically connected to the circuit board, and the touch switch controls the handheld wireless induction calibration device to be turned on or off.

[0010] Furthermore, a holding rod is provided on the main body, and the holding rod is fixedly connected to the main body.

[0011] Furthermore, the main body also includes a gripping plate; one end of the gripping rod away from the main body is fixedly connected to the gripping plate, and anti-slip grooves are provided on the outer periphery of the gripping plate.

[0012] Furthermore, the touch sensing module includes a mounting plate and a touch panel, the touch panel is fixedly connected to the mounting plate, and the touch panel is electrically connected to the circuit board.

[0013] Furthermore, the main body is provided with a plurality of positioning and mounting parts fixedly connected to the main body, and the handheld wireless induction calibration device can be installed on an external device through the positioning and mounting parts.

[0014] Furthermore, a mounting hole is provided on the circuit board, and the mounting hole passes through the circuit board.

[0015] Beneficial effects of the present invention:

[0016] The handheld wireless induction calibration device proposed by the present invention is used to detect the height difference between adjacent LED display screens or adjacent LED lamp beads, and can accurately measure the height difference between adjacent LED display screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1is a cross-sectional schematic diagram of the handheld wireless induction calibration device of the present invention;

[0018] Figure 2 It is an exploded schematic diagram of the handheld wireless induction calibration device of the present invention;

[0019] Figure 3 It is a three-dimensional schematic diagram of a contact sensing module of the handheld wireless sensing calibration device of the present invention;

[0020] Figure 4 It is a front view of the handheld wireless induction calibration device of the present invention. DETAILED DESCRIPTION

[0021] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0022] Please refer to Figures 1 to 4 The present invention proposes a handheld wireless induction calibration device, which includes: a main body 10, a circuit board 20, a contact sensing module 30, a main control module 40 and a laser ranging module 50; the contact sensing module 30 is electrically connected to the circuit board 20, a storage cavity 11 is provided in the main body 10, the circuit board 20 is accommodated in the storage cavity 11 and is fixedly connected to the main body 10, the main control module 40 is accommodated in the storage cavity 11 and is electrically connected to the circuit board 20, the contact sensing module 30 is fixedly connected to the main body 10 and blocks the storage cavity 11, and the laser ranging module 50 is arranged in the contact sensing The laser ranging module 50 is electrically connected to the circuit board 20 between the module 30 and the circuit board 20; when the handheld wireless sensing calibration device detects the height difference of adjacent external LED display screens, the contact sensing module 30 contacts the highest point of the adjacent external LED display screen, and the contact sensing module 30 generates a driving signal and transmits it to the main control module 40. The main control module 40 drives the laser ranging module 50 according to the driving signal, and calculates the height difference data of the adjacent LED display screens based on the highest point of the adjacent external LED display screen contacted by the contact sensing module 30, and then transmits the height difference data back to the main control module 40.

[0023] In this embodiment, the contact sensing module 30 is a high-precision contact sensing module, which is used to detect the highest point of an externally adjacent LED display screen. The highest point of an externally adjacent LED display screen is used as a reference plane for detection by the handheld wireless sensing calibration device. The laser ranging module 50 calculates the height difference data of adjacent LED display screens based on the highest point of the externally adjacent LED display screen as a reference plane. When the handheld wireless sensing calibration device detects the height difference of an externally adjacent LED display screen, the contact sensing module 30 contacts the highest point of the externally adjacent LED display screen, and the contact sensing module 30 generates a driving signal and transmits it to the main control module 40. The main control module 40 drives the laser ranging module 50 according to the driving signal according to the contact sensing module 30 contacting the externally adjacent LED display screen. The highest point is used as the reference plane to calculate the height difference data of adjacent LED display screens, and then the height difference data is transmitted back to the main control module 40; the height difference of adjacent external LED lamp beads can also be detected by the handheld wireless sensing calibration device. During operation, the contact sensing module 30 contacts the highest point of the adjacent external LED lamp beads, and the contact sensing module 30 generates a driving signal and transmits it to the main control module 40. The main control module 40 drives the laser ranging module 50 according to the driving signal, and calculates the height difference data of adjacent LED lamp beads according to the highest point of the contact sensing module 30 contacting the adjacent external LED lamp beads as the reference plane, and then transmits the height difference data back to the main control module 40; the handheld wireless sensing calibration device can accurately measure the height difference of adjacent LED display screens, and can adjust the adjacent LED display screens to be flat according to the height difference data.

[0024] Furthermore, the handheld wireless sensing calibration device also includes: a wireless transceiver module 60; the wireless transceiver module 60 is housed in the storage cavity 11 and electrically connected to the circuit board 20, the main control module 40 transmits the height difference data to the wireless transceiver module 60, and the wireless transceiver module 60 sends the height difference data to an external device via a wireless signal.

[0025] In this embodiment, the external device is connected to the wireless transceiver module 60. After the main control module 40 transmits the height difference data to the wireless transceiver module 60, the wireless transceiver module 60 sends the height difference data to the external device via a wireless signal, which is very convenient to use.

[0026] Furthermore, the handheld wireless sensing calibration device also includes: a data interface 70; the data interface 70 is fixedly mounted on the main body 10 and electrically connected to the circuit board 20, the main control module 40 transmits the height difference data to the data interface 70, and the height difference data can be transmitted to an external device through the data interface 70.

[0027] In this embodiment, the data interface 70 is a USB Type-C interface, the external PC device is electrically connected to the data interface 70, and the main control module 40 transmits the height difference data to the data interface 70. The height difference data can be transmitted to the external PC device through the data interface 70, which is very convenient to use.

[0028] Furthermore, the handheld wireless induction calibration device further includes: a battery 80 ; the battery 80 is accommodated in the storage cavity 11 and fixedly connected to the main body 10 , and the battery 80 is electrically connected to the circuit board 20 .

[0029] In this embodiment, the battery 80 is a high-capacity lithium battery 80 , and the battery 80 supplies power to the handheld wireless induction calibration device. Meanwhile, the data interface 70 also has a charging function, and the battery 80 can be charged through the data interface 70 .

[0030] Furthermore, the handheld wireless induction calibration device further includes: a touch switch 90; the touch switch 90 is fixedly mounted on the main body 10 and electrically connected to the circuit board 20, and the touch switch 90 controls the handheld wireless induction calibration device to be turned on or off.

[0031] In this embodiment, the handheld wireless induction calibration device can be turned on or off by touching the touch switch 90 to meet the needs of work use.

[0032] Furthermore, a holding rod 12 is provided on the main body 10 , and the holding rod 12 is fixedly connected to the main body 10 .

[0033] In this embodiment, the handheld wireless induction calibration device can be lifted by holding the holding rod 12 with the palm of the hand.

[0034] Furthermore, the main body 10 also includes a gripping plate 13 ; one end of the gripping rod 12 away from the main body 10 is fixedly connected to the gripping plate 13 , and an anti-slip pattern 131 is provided on the outer periphery of the gripping plate 13 .

[0035] In this embodiment, the handheld wireless induction calibration device can be lifted by holding the holding plate 13 with the palm of the hand, and the anti-slip pattern 131 makes the holding plate 13 have a larger friction coefficient, making it easier to hold.

[0036] Furthermore, the touch sensing module 30 includes a mounting plate 31 and a touch panel 32 . The touch panel 32 is fixedly connected to the mounting plate 31 , and the touch panel 32 is electrically connected to the circuit board 20 .

[0037] In this embodiment, the touch panel 32 is a high-sensitivity touch panel. The touch panel 32 can be a variety of touch panels such as a resistive touch panel and a capacitive touch panel. When the touch sensing module 30 contacts an external device to be detected, it can quickly identify it.

[0038] Furthermore, the main body 10 is provided with a plurality of positioning and mounting parts 14 fixedly connected to the main body 10 , and the handheld wireless induction calibration device can be mounted on an external device through the positioning and mounting parts 14 .

[0039] Furthermore, a mounting hole 21 is provided on the circuit board 20 , and the mounting hole 21 passes through the circuit board 20 .

[0040] In this embodiment, the circuit board 20 can be firmly installed in the storage cavity 11 by means of external screws cooperating with the mounting holes 21 .

[0041] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. A handheld wireless induction calibration device for detecting the height difference between adjacent LED display screens or adjacent LED lamp beads, characterized in that: The handheld wireless induction calibration device comprises: a main body, a circuit board, a contact sensing module, a main control module and a laser ranging module; the contact sensing module is electrically connected to the circuit board, a storage cavity is provided in the main body, the circuit board is accommodated in the storage cavity and is fixedly connected to the main body, the main control module is accommodated in the storage cavity and is electrically connected to the circuit board, the contact sensing module is fixedly connected to the main body and blocks the storage cavity, the laser ranging module is arranged between the contact sensing module and the circuit board, and the laser ranging module is electrically connected to the circuit board; When the handheld wireless sensing calibration device detects the height difference of the adjacent external LED display screens, the contact sensing module contacts the highest point of the adjacent external LED display screens, and the contact sensing module generates a driving signal and transmits it to the main control module. The main control module drives the laser ranging module according to the driving signal to calculate the height difference data of the adjacent LED display screens based on the highest point of the adjacent external LED display screens contacted by the contact sensing module, and then transmits the height difference data back to the main control module; When the handheld wireless sensing calibration device detects the height difference between adjacent external LED lamp beads, the contact sensing module contacts the highest point of the adjacent external LED lamp beads, and the contact sensing module generates a driving signal and transmits it to the main control module. The main control module drives the laser ranging module according to the driving signal to calculate the height difference data of the adjacent LED lamp beads based on the highest point of the contact sensing module contacting the adjacent external LED lamp beads, and then transmits the height difference data back to the main control module; The handheld wireless induction calibration device further includes: a wireless transceiver module; the wireless transceiver module is housed in the storage cavity and electrically connected to the circuit board, the main control module transmits the height difference data to the wireless transceiver module, and the wireless transceiver module sends the height difference data to an external device in the form of a wireless signal; The handheld wireless induction calibration device further includes: a data interface; the data interface is fixedly mounted on the main body and electrically connected to the circuit board, the main control module transmits the height difference data to the data interface, and the height difference data can be transmitted to an external device through the data interface; The main body is also provided with a gripping rod, and the gripping rod is fixedly connected to the main body; The main body also includes a gripping plate; one end of the gripping rod away from the main body is fixedly connected to the gripping plate, and the outer periphery of the gripping plate is provided with anti-slip grooves; The touch sensing module comprises a mounting plate and a touch panel, wherein the touch panel is fixedly connected to the mounting plate, and the touch panel is electrically connected to the circuit board.

2. The handheld wireless induction calibration device according to claim 1, characterized in that: The handheld wireless induction calibration device further includes: a battery; the battery is accommodated in the storage cavity and fixedly connected to the main body, and the battery is electrically connected to the circuit board.

3. The handheld wireless induction calibration device according to claim 1, characterized in that: The handheld wireless induction calibration device further includes: a touch switch; the touch switch is fixedly mounted on the main body and electrically connected to the circuit board, and the touch switch controls the handheld wireless induction calibration device to be turned on or off.

4. The handheld wireless induction calibration device according to claim 1, characterized in that: The main body is also provided with a plurality of positioning and mounting parts fixedly connected to the main body, and the handheld wireless induction calibration device can be installed on an external device through the positioning and mounting parts.

5. The handheld wireless induction calibration device according to claim 1, characterized in that: The circuit board is provided with a mounting hole, and the mounting hole passes through the circuit board.

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