Double-head laser range finder

Abstract

The utility model discloses a double-end laser range finder, which relates to the technical field of range finders, and comprises a lower mounting cover and an upper protective cover connected with the lower mounting cover, two groups of ranging optical modules are symmetrically arranged in the lower mounting cover, each group of ranging optical module is arranged at one end of the lower mounting cover, and the other group of ranging optical module is arranged at the other end of the lower mounting cover. Each distance measuring optical module is used for emitting and receiving laser, the auxiliary calibration assembly is located between the two distance measuring optical modules, and the auxiliary calibration assembly is used for emitting laser between the two distance measuring optical modules. The installation mode is high in flexibility, optical modules of different specifications can be selected to be combined and installed according to different design requirements and cost consideration, when one distance measuring optical module is damaged, the distance measuring optical module can be independently replaced, and compared with the prior art, the structure is simpler, so that the cost can be reduced, and popularization is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to range finder technical field, concretely is a double -end laser range finder. BACKGROUND

[0002] The double -end range finder breaks the use restriction that single -end range finder must be close to the measurement datum surface, can be placed in space arbitrary point, emits range finding laser beam to two sides object to measure the interval of two objects simultaneously, it can also be used to determine the spatial coordinates of measurer, because the double -end range finder can be placed arbitrarily, need not close to a certain measurement datum surface, so the applicable scene is more extensive than single -end range finder, and the function is also more abundant, can be used as range finding module and carry out industrial automation spatial positioning.

[0003] In the prior art, the emitting end and the receiving end of the two optical modules are integrated together through an integrated frame structure design to form a whole optical mechanism, and the integrated optical mechanism usually has a common mounting base or frame to facilitate mounting the whole optical mechanism on the main frame of the range finder. Although the stability of this double -end range finder is good, the need to separately set up a mounting frame leads to a relatively complex overall structure of the range finder, higher processing precision is required, resulting in high cost, which is not conducive to promotion.

[0004] Therefore, we propose a double -end laser range finder. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a double -end laser range finder to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a double -end laser range finder, comprising an installation lower cover and a protective upper cover connected with the installation lower cover, two groups of range finding optical modules are symmetrically arranged in the installation lower cover, each range finding optical module is arranged at one end of the installation lower cover, each range finding optical module is used for emitting and receiving laser, and a main control circuit board for controlling two range finding optical modules is arranged in the protective upper cover.

[0007] An auxiliary calibration assembly is located between the two range finding optical modules, and the auxiliary calibration assembly is used for emitting laser between the two range finding optical modules.

[0008] By the above technical scheme: the frame structure in the existing double-head laser range finder can be simplified, the flexibility of the installation mode is high, different specifications of optical modules can be selected for combined installation according to different design requirements and cost considerations, and when one of the ranging optical modules is damaged, it can be replaced individually, compared with the prior art, the structure is simpler, thereby the cost can be reduced, and the application is more beneficial to promotion.

[0009] Further, each ranging optical module comprises a receiving lens and a transmitting lens, the transmitting lens is used for transmitting laser, and the receiving lens is used for receiving the transmitted laser.

[0010] By the above technical scheme: the transmitting lens can collimate and direct the laser beam, so that the laser is emitted in a specific direction and angle and accurately irradiates the target object. The receiving lens can accurately focus the reflected laser, ensuring that only the light reflected from the target object is effectively collected, reducing the interference of ambient stray light. In this way, the propagation path of the laser can be more accurately determined, thereby improving the accuracy of distance measurement.

[0011] Further, each ranging optical module further comprises a small circuit board, each small circuit board corresponds to one receiving lens and one transmitting lens, and each receiving lens and each transmitting lens are electrically connected to the corresponding small circuit board.

[0012] By the above technical scheme: the small circuit board can directly receive and process signals of the ranging optical module corresponding thereto, and the information about laser emission and reception generated by the ranging optical module can be quickly and accurately transmitted to the small circuit board for preliminary processing, providing more accurate data for subsequent distance calculation.

[0013] Further, the two ends of the installation lower cover are provided with positioning installation pieces, each ranging optical module corresponds to one positioning installation piece, and the two small circuit boards are electrically connected to the main control circuit board.

[0014] Further, a plurality of mounting holes are formed in each ranging optical module, each positioning installation piece comprises a plurality of mounting columns, each mounting hole is in clamping cooperation with one mounting column, and a screw hole is formed in the center of each mounting column.

[0015] By the above technical scheme: the ranging optical modules can be quickly docked and installed, the ranging optical modules can be quickly installed on the installation lower cover, and the positions of the ranging optical modules can be accurately positioned and fixed by arranging a plurality of mounting columns. The two groups of ranging optical modules are symmetrically arranged in the installation lower cover, which is more conducive to one-time focusing and correction of the two ranging optical modules.

[0016] Further, the auxiliary calibration assembly comprises an auxiliary optical module, which is arranged between the two ranging optical modules.

[0017] By the above technical solution, the auxiliary optical module can emit laser between the main shafts of the two ranging optical modules of the double-head laser range finder, which can assist in positioning, calibration and auxiliary ranging.

[0018] Further, the protection upper cover is provided with a main control circuit board, and the auxiliary optical module is electrically connected to the main control circuit board.

[0019] Further, the protection upper cover and the mounting lower cover are connected by a plurality of screws, and the protection upper cover is provided with a long strip-shaped screen, and a plurality of control buttons are arranged on the side of the long strip-shaped screen and linearly distributed.

[0020] By the above technical solution, when the protection upper cover and the mounting lower cover are docked and mounted, the auxiliary optical module can be smoothly clamped into the docking mounting seat for fixation, so that the positioning of the auxiliary optical module can be quickly completed, and the auxiliary optical module can be prevented from being deviated during use.

[0021] Further, the mounting lower cover is provided with a battery, and the side wall of the mounting lower cover is provided with a waterproof charging port, which is electrically connected to the battery.

[0022] By the above technical solution, the waterproof charging port can be protected, and the dustproof and waterproof effects can be achieved.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] Firstly, the frame structure of the existing double-head laser range finder can be simplified, the installation mode is more flexible, different specifications of optical modules can be selected for combined installation according to different design requirements and cost considerations, and when one of the ranging optical modules is damaged, it can be replaced alone, the structure is simpler than that of the prior art, so that the cost can be reduced, and the utility model is more beneficial to popularization.

[0025] Secondly, when the protection upper cover and the mounting lower cover are docked and mounted, the auxiliary optical module can be smoothly clamped into the docking mounting seat for fixation, so that the positioning of the auxiliary optical module can be quickly completed, the installation is more accurate and convenient, and the auxiliary optical module can be prevented from being deviated during use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1It is the overall structure schematic view of the utility model;

[0027] Figure 2 It is the explosion structure schematic view of the utility model;

[0028] Figure 3 It is the partial structure schematic view of the utility model;

[0029] Figure 4 It is the structure schematic view of the distance measuring optical module in the utility model;

[0030] Figure 5 It is the structure schematic view of the mounting column in the utility model.

[0031] In the drawing: 1, install lower cover;2, protect upper cover;3, waterproof charging port;4, receiving lens;5, transmitting lens;6, distance measuring optical module;7, small circuit board;8, auxiliary optical module;9, mounting column;10, mounting hole;11, battery;12, long strip screen;13, control button;14, main control circuit board;15, docking mounting seat;16, support docking hole. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Please refer to Figures 1-5 As shown in the drawing, a double-head laser range finder, comprising installation lower cover 1 and the protection upper cover 2 that is connected with installation lower cover 1, installation lower cover 1 is symmetrically provided with two groups of distance measuring optical module 6 in, each group of distance measuring optical module 6 is arranged at one end of installation lower cover 1, and each distance measuring optical module 6 is used for transmitting and receiving laser, and the main control circuit board 14 for controlling two distance measuring optical module 6 is arranged in protection upper cover 2.

[0034] Auxiliary calibration assembly, auxiliary calibration assembly is located between two distance measuring optical module 6, and auxiliary calibration assembly is used for transmitting laser between two distance measuring optical module 6.

[0035] In the utility model, the frame structure in the existing double-head laser range finder can be simplified, the flexibility of installation mode is higher, different specifications of optical modules can be selected for combination and installation according to different design requirements and cost considerations, and when one of distance measuring optical module 6 is damaged, it can be replaced individually, compared with the prior art, the structure is simpler, so that the cost can be reduced, and it is more conducive to promotion.

[0036] Please refer to Figures 1-3 Each ranging optical module 6 includes a receiving lens 4 and a transmitting lens 5, the transmitting lens 5 is used for transmitting laser, and the receiving lens 4 is used for receiving the transmitted laser.

[0037] It should be noted that the transmitting lens 5 can collimate and direct the laser beam, so that the laser is emitted in a specific direction and angle, accurately irradiating the target object. The receiving lens 4 can accurately focus the reflected laser, ensuring that only the light reflected from the target object is effectively collected, reducing the interference of ambient stray light. This can more accurately determine the propagation path of the laser, thereby improving the accuracy of distance measurement. For example, when measuring a small target at a long distance, accurate light path control can ensure the accuracy of the measurement result.

[0038] Please refer to Figures 2-3 Each ranging optical module 6 further includes a small circuit board 7, each small circuit board 7 corresponds to one receiving lens 4 and transmitting lens 5, and each receiving lens 4 and transmitting lens 5 is electrically connected to the corresponding small circuit board 7.

[0039] Through such a setting, the small circuit board 7 can directly receive and process signals of the corresponding ranging optical module 6, and the information about laser transmission and reception generated by the ranging optical module 6 can be quickly and accurately transmitted to the small circuit board 7 for preliminary processing, such as amplifying, filtering and other operations on the received reflected laser signal, improving the quality and stability of the signal, and providing more accurate data for subsequent distance calculation.

[0040] Please refer to Figures 3-5 The two ends of the mounting lower cover 1 are provided with positioning mounting members, each ranging optical module 6 corresponds to one positioning mounting member, and the two small circuit boards 7 are electrically connected to the main control circuit board 14, a plurality of mounting holes 10 are formed on each ranging optical module 6, each positioning mounting member includes a plurality of mounting columns 9, each mounting hole 10 is in clamping fit with one mounting column 9, and a screw hole is formed in the center of each mounting column 9.

[0041] Through the above setting, the ranging optical module 6 can be quickly docked and installed, and the ranging optical module 6 can be quickly installed on the mounting lower cover 1, and through the setting of the plurality of mounting columns 9, the position of the ranging optical module 6 can be accurately positioned and fixed, and the two groups of ranging optical modules 6 are symmetrically arranged in the mounting lower cover 1, which is more conducive to one-time focusing and correction of the two ranging optical modules 6.

[0042] Please refer to Figure 3The auxiliary calibration assembly comprises an auxiliary optical module 8 arranged between the two ranging optical modules 6, and the auxiliary optical module 8 can emit laser beams between the main shafts of the two ranging optical modules 6 of the double-head laser range finder. The auxiliary optical module 8 can be used for auxiliary positioning, calibration and auxiliary ranging work. For example, in building surveying, the two ranging optical modules 6 are used for measuring the horizontal distance, and the auxiliary positioning laser beams can be emitted to the ceiling, and when the accurate position of an object in space needs to be determined, the laser beams emitted by the auxiliary optical module 8 can be used as a standard reference line.

[0043] If the object to be measured is a wall corner or a column, the laser beams can help the user to determine the relationship between the measuring point and the vertical direction, thereby ensuring the accuracy of the measurement.

[0044] It is worth mentioning that the lower cover 1 is provided with a support docking hole 16 on the side away from the auxiliary optical module 8, so that the range finder can be docked and mounted with a tripod.

[0045] Please refer to Figures 2-3 The upper cover 2 is provided with a main control circuit board 14, and the auxiliary optical module 8 is electrically connected to the main control circuit board 14. The lower cover 1 is provided with a docking seat 15 matched with the auxiliary optical module 8.

[0046] It should be noted that the auxiliary optical module 8 is fixedly installed on the main control circuit board 14 of the upper cover 2. When the upper cover 2 is docked and mounted with the lower cover 1, the auxiliary optical module 8 can be smoothly clamped into the docking seat 15 for fixation, so that the positioning of the auxiliary optical module 8 can be quickly completed, which not only makes the installation more accurate and convenient, but also avoids the deviation of the auxiliary optical module 8 during use.

[0047] Please refer to Figure 2 The upper cover 2 and the lower cover 1 are connected by a plurality of screws, and the upper cover 2 is provided with a long strip-shaped screen 12. A plurality of control buttons 13 are arranged on the side of the long strip-shaped screen 12, and the control buttons 13 are linearly distributed. The lower cover 1 is provided with a battery 11, and the side wall of the lower cover 1 is provided with a waterproof charging port 3 electrically connected to the battery 11.

[0048] It should be noted that the long strip-shaped screen 12 is designed in a rectangular shape, and the displayable parameters can be displayed in partitions, so that the display effect is more rich. Compared with the existing square screen, the utility model adopts a landscape mode, so that the staff can observe the specific parameters standing on the side of the range finder. Standing on the side will not block the two ranging optical modules 6, and compared with the prior art, the parameters are more convenient to read.

[0049] Through the technical scheme, the waterproof charging port 3 can be protected, dustproof and waterproof effects are achieved, the control button 13 can control the range finder, the long strip-shaped screen 12 is used for displaying measured parameter information, and the multiple control buttons 13 are arranged in linear distribution, so that key operation can be better performed, and mis-touching or mis-pressing is avoided.

[0050] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made therein without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-head laser range finder comprising a mounting lower cover (1) and a protective upper cover (2) connected to the mounting lower cover (1), characterized in that, Two groups of distance measuring optical modules (6) are symmetrically arranged in the mounting lower cover (1), each group of the distance measuring optical modules (6) is arranged at one end of the mounting lower cover (1), each distance measuring optical module (6) is used for emitting and receiving laser, and a main control circuit board (14) for controlling two distance measuring optical modules (6) is arranged in the protection upper cover (2); An auxiliary calibration assembly is arranged between the two distance measuring optical modules (6), and the auxiliary calibration assembly is used for emitting laser between the two distance measuring optical modules (6); Each distance measuring optical module (6) comprises a receiving lens (4) and an emitting lens (5), the emitting lens (5) is used for emitting laser, and the receiving lens (4) is used for receiving emitted laser; Each distance measuring optical module (6) further comprises a small circuit board (7), each small circuit board (7) corresponds to a receiving lens (4) and an emitting lens (5), and each receiving lens (4) and emitting lens (5) is electrically connected to the corresponding small circuit board (7); Both ends of the mounting lower cover (1) are provided with positioning mounting parts, each distance measuring optical module (6) corresponds to one positioning mounting part, and two small circuit boards (7) are electrically connected to the main control circuit board (14); A plurality of mounting holes (10) are formed in each distance measuring optical module (6), each positioning mounting part comprises a plurality of mounting columns (9), each mounting hole (10) is clamped and matched with one mounting column (9), and a screw hole is formed in the center of each mounting column (9).

2. A dual head laser range finder according to claim 1, wherein: The auxiliary calibration assembly comprises an auxiliary optical module (8), and the auxiliary optical module (8) is arranged between the two distance measuring optical modules (6).

3. A dual head laser rangefinder according to claim 2, wherein: The auxiliary optical module (8) is electrically connected to the main control circuit board (14), and the mounting lower cover (1) is provided with a butt joint mounting seat (15) matched with the auxiliary optical module (8).

4. The dual-head laser rangefinder of claim 1, wherein: The protection upper cover (2) and the mounting lower cover (1) are connected through a plurality of screws, the protection upper cover (2) is provided with an elongated screen (12), a plurality of control buttons (13) are arranged on the side of the elongated screen (12), and the plurality of control buttons (13) are linearly distributed.

5. The dual-head laser rangefinder of claim 1, wherein: The mounting lower cover (1) is provided with a battery (11), and the side wall of the mounting lower cover (1) is provided with a waterproof charging port (3), the waterproof charging port (3) is electrically connected to the battery (11).

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