CN214845768U

CN214845768U - Multifunctional laser range finder

Info

Publication number: CN214845768U
Application number: CN202120517796.3U
Authority: CN
Inventors: 张庆斌
Original assignee: Shanghai Yuxin Electronic Technology Co ltd
Current assignee: Shanghai Yuxin Electronic Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-23
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a multifunctional laser range finder, including the casing, the outside equidistance fixed mounting of casing has control button, and the outside of casing and one side fixed mounting that is located control button have a display screen, and the one end at casing top is provided with data interface, and there is the circuit board inside of casing through the mounting screw, and one side fixed mounting of casing has long bar-type texture's limiting plate, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, therefore, the clothes hanger is strong in practicability, get rid of traditional mounting screw mode, through setting up first stop gear and second stop gear, can be quick carry out the joint installation to back shroud and casing, thereby when equipment is inside to take place to damage when needing to maintain, maintenance personal's work load has not only been reduced, and work efficiency has still been improved, be favorable to the use of reality, still avoided twisting many times simultaneously and move the screw and cause the emergence of smooth silk phenomenon, very big extension the life of equipment.

Description

Multifunctional laser range finder

Technical Field

The utility model relates to a laser range finder, in particular to multi-functional laser range finder belongs to distancer technical field.

Background

In the existing life, a laser range finder is an instrument for measuring the distance of a target by using a certain parameter of modulated laser. The distance measuring method is divided into a phase method distance measuring instrument and a pulse method distance measuring instrument, the pulse type laser distance measuring instrument emits a pulse laser beam or a sequence of short pulse laser beams to a target when in work, a photoelectric element receives the laser beam reflected by the target, a timer measures the time from the emitting to the receiving of the laser beam, and the distance from an observer to the target is calculated. The phase-method laser range finder detects a distance by detecting a phase difference occurring when emitted light and reflected light propagate in a space. The laser range finder is mainly used for measuring the length of a regular object, and when a curved surface of a human body or an irregular object needs to be measured, the laser range finder cannot complete the measurement, but the multifunctional laser range finder gradually enters the market along with the progress of scientific technology.

But current multi-functional laser range finder is when carrying out actual use, mostly install through the screw between back apron and the casing, when its inside takes place to damage and need maintain, often need twist many times and move the screw and dismantle back apron, just can maintain the operation to it, and twist many times and move the screw and not only increased maintenance personal's work load, but also reduced maintenance efficiency, be unfavorable for actual use, in addition, twist many times and move the screw and still cause the phenomenon of smooth silk to take place easily, very big reduction the life of equipment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide multi-functional laser range finder.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a multifunctional laser range finder, which comprises a shell, wherein control buttons are fixedly arranged on the outer side of the shell at equal intervals, a display screen is fixedly arranged outside the shell and on one side of the control button, a data interface is arranged at one end of the top of the shell, a circuit board is arranged in the shell through a screw, a limiting plate with a long strip-shaped structure is fixedly arranged on one side of the shell, two first through holes are arranged on the outer side of the limiting plate, limiting rods are inserted into the first through holes, a rear cover plate is fixedly connected between one ends of the two limiting rods, two second through holes are arranged at one end of the outer side of the rear cover plate, which is far away from the limiting rod, a first limiting mechanism is arranged at one end of the top and the bottom of the shell, which are far away from the limiting plate, and a second limiting mechanism is arranged at the top and the bottom of the rear cover plate and on one side of the second through hole.

As a preferred scheme of the utility model, first stop gear includes first dashpot, first dashpot has all been seted up to the top of casing and the one end that the limiting plate was kept away from to the bottom, the first return spring of the equal fixedly connected with in one side of back shroud is kept away from to the inner wall of first dashpot, first return spring is close to the first joint board of the equal fixedly connected with L type structure of one end of back shroud, first joint board all with the inner wall sliding connection of first dashpot, the one end that first return spring was kept away from to first joint board all extends to the inside of the second through-hole that corresponds and has seted up the spacing groove.

As a preferred scheme of the utility model, second stop gear includes the second dashpot, the second dashpot has all been seted up to the top of back shroud and one side that the bottom just is located the second through-hole, the equal fixedly connected with second return spring in one side of second through-hole is kept away from to the inner wall of second dashpot, the second joint board of the equal fixedly connected with L type structure of one end that second return spring is close to the second through-hole, the second joint board all with the inner wall sliding connection of second dashpot, the one end that second return spring was kept away from to the second joint board all extends to the inside of the spacing groove that corresponds.

As an optimized scheme of the utility model, the top of casing and the one side that is located data interface are provided with the RS485 interface.

As an optimized scheme of the utility model, the louvre has been seted up at the top of casing and the one side equidistance that is located the RS interface.

As an optimized scheme of the utility model, the inside of circuit board has MODBUS communication protocol.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, therefore, the clothes hanger is strong in practicability, get rid of traditional mounting screw mode, through setting up first stop gear and second stop gear, can be quick carry out the joint installation to back shroud and casing, thereby when equipment is inside to take place to damage when needing to maintain, maintenance personal's work load has not only been reduced, and work efficiency has still been improved, be favorable to the use of reality, still avoided twisting many times simultaneously and move the screw and cause the emergence of smooth silk phenomenon, very big extension the life of equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the housing structure of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the structure of the rear cover plate of the present invention;

fig. 5 is a circuit diagram of the analog output circuit of the present invention.

In the figure: 1. a housing; 2. a control button; 3. a display screen; 4. a data interface; 5. an RS485 interface; 6. heat dissipation holes; 7. a circuit board; 8. a limiting plate; 9. a first through hole; 10. a limiting rod; 11. a rear cover plate; 12. a first limit mechanism; 121. a first buffer tank; 122. a first return spring; 123. a first clamping connection plate; 124. a limiting groove; 13. a second limiting mechanism; 131. a second buffer tank; 132. a second return spring; 133. a second clamping plate; 14. a second via.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-5, the utility model provides a multifunctional laser range finder, which comprises a shell 1, wherein control buttons 2 are fixedly arranged on the outer side of the shell 1 at equal intervals, and the control buttons 2 are used for better controlling the whole device; a display screen 3 is fixedly arranged outside the shell 1 and on one side of the control button 2, and the display screen 3 is convenient for better displaying the measured data; one end of the top of the shell 1 is provided with a data interface 4, the device supports a traditional 0-10V analog voltage mode to output a measurement result and can set a corresponding measurement coefficient through the data interface 4, and meanwhile, the device supports a traditional 4-20mA analog current mode to output a measurement result and can set a corresponding measurement coefficient to improve the measurement precision; the circuit board 7 is installed in the shell 1 through screws, the limiting plate 8 with a long strip-shaped structure is fixedly installed on one side of the shell 1, two first through holes 9 are formed in the outer side of the limiting plate 8, limiting rods 10 are inserted into the first through holes 9, the rear cover plate 11 is fixedly connected between one ends of the two limiting rods 10, and one end of the rear cover plate 11 is conveniently limited through the matching between the first through holes 9 and the limiting rods 10; two second through holes 14 are formed in one end, away from the limiting rod 10, of the outer side of the rear cover plate 11, first limiting mechanisms 12 are arranged at the top and the bottom of the shell 1, away from one end of the limiting plate 8, and second limiting mechanisms 13 are arranged at the top and the bottom of the rear cover plate 11 and located on one side of the second through holes 14.

Further, first stop gear 12 includes first dashpot 121, first dashpot 121 has all been seted up to the top of casing 1 and the one end that the limiting plate 8 was kept away from to the bottom, the equal fixedly connected with first set back spring 122 in one side that the back shroud 11 was kept away from to the inner wall of first dashpot 121, first set back spring 122 is close to the first joint board 123 of the equal fixedly connected with L type structure of one end of back shroud 11, first joint board 123 all with the inner wall sliding connection of first dashpot 121, the one end that first set back spring 122 was kept away from to first joint board 123 all extends to the inside of the second through-hole 14 that corresponds and has seted up spacing groove 124, be convenient for better through first stop gear 12 and keep away from the one end of gag lever post 10 to back shroud 11 and carry on spacingly.

Further, second stop gear 13 includes second dashpot 131, second dashpot 131 has all been seted up to the top of back shroud 11 and the one side that the bottom just is located second through-hole 14, the equal fixedly connected with second return spring 132 in one side that second through-hole 14 was kept away from to the inner wall of second dashpot 131, second return spring 132 is close to the equal fixedly connected with L type structure's of one end second joint board 133 of second through-hole 14, second joint board 133 all with the inner wall sliding connection of second dashpot 131, the one end that second return spring 132 was kept away from to second joint board 133 all extends to the inside of the spacing groove 124 that corresponds, it is better to carry on spacingly to first joint board 123 through second stop gear 13.

Further, the top of the shell 1 and one side of the data interface 4 are provided with an RS485 interface 5, and through the RS485 interface 5, better sending instructions to the multifunctional laser range finder are facilitated, and the range finder executes corresponding operation after receiving the instructions and returns a result.

Furthermore, the top of the shell 1 and one side of the RS485 interface 5 are equidistantly provided with heat dissipation holes 6, and the heat dissipation effect of the whole equipment is better increased through the heat dissipation holes 6.

Further, there is MODBUS communication protocol in the inside of circuit board 7, through the MODBUS protocol for equipment can use control such as PLC, PC to read the distancer and measure.

Specifically, when the interior of the device is damaged and needs to be maintained, the second clamping plate 133 can be shifted and the second return spring 132 can be extruded to separate the second clamping plate 133 from the interior of the limiting groove 124, then the first clamping plate 123 can be shifted and the first return spring 122 can be extruded to separate the first clamping plate 123 from the interior of the second through hole 14, at this time, the rear cover plate 11 can be slid to separate the limiting rod 10 from the interior of the first through hole 9, so that the rear cover plate 11 can be disassembled, then the interior of the device can be maintained, the workload of maintenance personnel is reduced, the working efficiency is improved, the actual use is facilitated, the phenomenon of wire slipping caused by screwing screws for multiple times is avoided, the service life of the device is greatly prolonged, meanwhile, the whole device adopts laser ranging, the distance can be measured within the range of 0.1-50 meters, the device can set parameters such as measurement coefficients, measurement modes and measurement interval time, correct measurement data and set device addresses, and can support multiple devices to work in parallel, multiple distance meters can be connected to one data line to measure through address bit setting, as shown in fig. 5, the device is a multifunctional laser distance meter analog output circuit and can achieve analog output functions of 0-10V and 4-20mA, DAOUT is a measurement voltage signal output by a distance meter MCU, the measurement voltage signal can be output by LM358 operational amplifier, and the output accuracy can be calibrated by adjusting an adjustable resistor R32. No. 1 pin of LM358 is 0-10V output signal, if output in a 4-20mA mode is selected, MCU of the distance meter can superpose 4mA data on DAOUT signal in the algorithm itself according to current output requirement, adjust R32, connect LM358 output voltage signal to XTR111, convert into 4-20mA current output signal, through adjusting R23, R16 two adjustable resistors, can calibrate and adjust out accurate 4-20mA current signal, through software switching, very convenient realization 0-10V and 4-20mA switch, it is simple, convenient and reliable, reduce the complexity of the circuit, have improved reliability and accuracy of the system.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Multifunctional laser range finder, including casing (1), its characterized in that, the outside equidistance fixed mounting of casing (1) has control button (2), the outside of casing (1) just is located one side fixed mounting of control button (2) has display screen (3), the one end at casing (1) top is provided with data interface (4), there is circuit board (7) inside casing (1) through the mounting screw, one side fixed mounting of casing (1) has rectangular shape structure's limiting plate (8), two first through-holes (9) have been seted up in the outside of limiting plate (8), gag lever post (10) have all been inserted to the inside of first through-hole (9), two fixedly connected with back shroud (11) between the one end of gag lever post (10), two second through-holes (14) have been seted up to the one end that gag lever post (10) were kept away from in the outside of back shroud (11), the top and the bottom of casing (1) keep away from the one end of limiting plate (8) and all are provided with first stop gear (12), the top and the bottom of back shroud (11) just are located one side of second through-hole (14) and all are provided with second stop gear (13).

2. The multifunctional laser range finder according to claim 1, wherein the first limiting mechanism (12) comprises a first buffer groove (121), the first buffer groove (121) is formed in both the top and the bottom of the housing (1) at the end away from the limiting plate (8), a first return spring (122) is fixedly connected to one side of the inner wall of the first buffer groove (121) away from the rear cover plate (11), a first clamping plate (123) of an L-shaped structure is fixedly connected to one end of the first return spring (122) close to the rear cover plate (11), the first clamping plate (123) is slidably connected to the inner wall of the first buffer groove (121), and a limiting groove (124) is formed in one end of the first clamping plate (123) away from the first return spring (122) and extends into the corresponding second through hole (14).

3. The multifunctional laser range finder as claimed in claim 2, wherein the second limiting mechanism (13) comprises a second buffer groove (131), the second buffer groove (131) is formed in each of the top and the bottom of the rear cover plate (11) and located on one side of the second through hole (14), a second return spring (132) is fixedly connected to each of the sides of the inner wall of the second buffer groove (131) far away from the second through hole (14), a second clamping plate (133) of an L-shaped structure is fixedly connected to each of the ends of the second return spring (132) close to the second through hole (14), the second clamping plates (133) are slidably connected to the inner walls of the second buffer grooves (131), and one ends of the second clamping plates (133) far away from the second return spring (132) extend into the corresponding limiting grooves (124).

4. Multifunctional laser rangefinder according to claim 1, characterized in that the top of the housing (1) and on one side of the data interface (4) is provided with an RS485 interface (5).

5. The multifunctional laser range finder according to claim 4, wherein the top of the housing (1) is provided with heat dissipation holes (6) at equal intervals at one side of the RS485 interface (5).

6. The multifunctional laser range finder according to claim 1, wherein MODBUS communication protocol is stored inside the circuit board (7).