CN214539215U

CN214539215U - Laser gas telemeter suitable for complex environment

Info

Publication number: CN214539215U
Application number: CN202120654297.9U
Authority: CN
Inventors: 孙鹏; 颜世相
Original assignee: Linyi Anfu Electronic Co ltd
Current assignee: Linyi Anfu Electronic Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-29
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a gaseous telegauge of laser suitable for under complex environment, including the telegauge main part, fixed surface is connected with the handle under the telegauge main part, telegauge main part upper surface can be dismantled and be connected with laser emitter, telegauge main part lateral wall runs through sliding connection and has photoelectric receiver, first spout has all been seted up to two relative lateral walls of telegauge main part, equal sliding connection has first slider in the first spout, the lateral wall that telegauge main part one side was kept away from to first slider all glues there is the connecting block, two relative lateral walls of photoelectric receiver all glue there is the mounting panel, a plurality of connecting rods of fixedly connected with between mounting panel and the connecting block that corresponds, be provided with adjusting device in the telegauge main part. The utility model discloses can adjust the distance between photoelectric receiver and target object automatically under the great environment of dust, avoid the loaded down with trivial details of artificial regulation, safety cover convenient to use has avoided losing of safety cover simultaneously.

Description

Laser gas telemeter suitable for complex environment

Technical Field

The utility model relates to a gaseous measuring device technical field especially relates to a laser gas telemeter suitable for under the complex environment.

Background

In a natural gas station, a gas pipe network or other places where flammable, explosive and toxic gases are conveyed, a laser gas telemeter is often required to be equipped to detect a conveying pipeline and detect whether the conveying pipeline has an air leakage phenomenon or not, or an air leakage point is directly determined so as to be convenient to maintain and guarantee the safety of gas conveying.

Among the prior art, current gaseous telemeter of laser if under complicated environment, if under the environment that the dust is more, because the dust has certain absorption to the laser beam, lead to reflecting the light beam on photoelectric receiver not enough to need the manual regulation of carrying out the distance, it is inconvenient to use, and current photoelectric receiver's safety cover is for covering on photoelectric receiver surface, and with telemeter main part disconnection, need take off the safety cover during the use, deposits the safety cover alone, the condition that exists and lose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a laser gas telemeter suitable for complex environment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a laser gas telemeter suitable for complex environment comprises a telemeter main body, a handle is fixedly connected to the lower surface of the telemeter main body, the upper surface of the main body of the telemeter is detachably connected with a laser emitter, the side wall of the main body of the telemeter is connected with a photoelectric receiver in a penetrating and sliding way, the two opposite side walls of the telemeter main body are both provided with a first sliding chute, a first sliding block is connected in the first sliding chute in a sliding way, the side wall of the first slide block, which is far away from one side of the main body of the telemeter, is glued with a connecting block, the two opposite side walls of the photoelectric receiver are glued with mounting plates, a plurality of connecting rods are fixedly connected between the mounting plate and the corresponding connecting blocks, an adjusting device is arranged in the telemeter main body, the telegauge main part diapire sliding connection has protection device, through the photoelectric receiver that slides and set up for photoelectric receiver position is adjustable.

Preferably, adjusting device includes photoelectric signal processing apparatus, PLC controller, photoelectric signal processing apparatus passes through the wire electricity with photoelectric receiver and is connected, two relative lateral walls of telemeter main part all veneer have step motor, step motor's output shaft welding has the threaded rod, the threaded rod with correspond connecting block threaded connection controls automatic analysis light beam through PLC and strong or weak to adjust the receiver position through step motor, avoid manual regulation.

Preferably, protection device is including seting up the second spout at telegauge main part diapire, sliding connection has the second slider in the second spout, second slider lower surface veneer has the operation piece, the operation piece runs through fixedly connected with dwang, the dwang both ends all rotate jointly through the bearing and are connected with the safety cover, fixedly connected with torsion spring between safety cover and the operation piece, through operation piece operation safety cover, avoided the safety cover to lose, it is more convenient to use simultaneously.

Preferably, the cross sections of the first sliding block and the second sliding block are both T-shaped, and the first sliding groove and the second sliding groove are both T-shaped sliding grooves.

Preferably, the lead angle of the threaded rod is smaller than the equivalent friction angle of a screw pair consisting of the threaded rod and the corresponding connecting block.

Preferably, the stepping motor is a motor with the model number of 57BL-1010H1-LS-B, and the outer wall of the handle is wrapped with a rubber pad.

The utility model discloses contrast prior art, its advantage lies in:

1. when the telemeter is used in an environment with large dust, the reflected laser beam is received by the photoelectric receiver and transmitted to the photoelectric processing device for analysis, if the reflected light beam is insufficient, the PLC control circuit controls the stepping motor to rotate, so that the threaded rod is driven to rotate, the connecting block moves, the photoelectric receiver is driven to move, the distance between the photoelectric receiver and a target object is adjusted, the distance between the photoelectric receiver and the target object can be adjusted until the measurable light beam quantity is received, and the complicated operation process of manually approaching the object to be measured is avoided;

2. through setting up the operation piece, during the use, directly will operate the piece and stimulate backward for the safety cover removes and rotates, turns over to the below, can use the telemeter, and the safety cover is in the telemeter main part all the time during the use, has avoided depositing alone the possibility of losing, uses simultaneously to accomplish the back, promotes the operation piece forward, can make the safety cover turn over upwards and turn over, covers photoelectric receiver and protects, and it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of a laser gas telemeter suitable for a complex environment according to the present invention;

fig. 2 is a schematic structural view of a bottom view angle of a laser gas telemeter suitable for a complex environment according to the present invention;

FIG. 3 is a schematic structural view of a laser gas telemeter suitable for use in a complex environment according to the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is the utility model provides a control block diagram of laser gas telemeter suitable for under the complex environment.

In the figure: the remote sensing device comprises a telemeter body 1, a handle 2, a photoelectric receiver 3, a laser emitter 4, a first sliding chute 5, a first sliding block 6, a connecting block 7, a connecting rod 71, a threaded rod 8, a mounting plate 9, a stepping motor 10, a protective cover 11, a second sliding block 12, a second sliding chute 13, an operation block 14, a rotating rod 15, a torsion spring 16, a photoelectric signal processing device 17 and a PLC (programmable logic controller) 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a gaseous telemeter of laser suitable for under complicated environment, including telemeter main part 1, telemeter main part 1 lower fixed surface is connected with handle 2, telemeter main part 1 upper surface can be dismantled and is connected with laser emitter 4, telemeter main part 1 lateral wall runs through sliding connection has photoelectric receiver 3, first spout 5 has all been seted up to two relative lateral walls of telemeter main part 1, equal sliding connection has first slider 6 in the first spout 5, the lateral wall that first slider 6 kept away from telemeter main part 1 one side all has glued connecting block 7, two relative lateral walls of photoelectric receiver 3 all have glued mounting panel 9, fixedly connected with a plurality of connecting rods 71 between mounting panel 9 and the connecting block 7 that corresponds, be provided with adjusting device in the telemeter main part 1, telemeter main part 1 diapire sliding connection has protection device.

Adjusting device includes photoelectric signal processing apparatus 17, PLC controller 18, the signal that photoelectric signal processing apparatus 17 sent can be received to the PLC controller to control step motor 10 and rotate, for prior art, do not do here and describe repeatedly, photoelectric signal processing apparatus 17 passes through the wire with photoelectric receiver 3 and is connected, two relative lateral walls of telemeter main part 1 all glue step motor 10, step motor 10's output shaft welding has threaded rod 8, threaded rod 8 and the connecting block 7 threaded connection who corresponds.

Protection device is including seting up the second spout 13 at 1 diapire of telemeter main part, sliding connection has second slider 12 in the second spout 13, second slider 12 lower surface veneer has operation piece 14, operation piece 14 runs through fixedly connected with dwang 15, dwang 15 both ends all are connected with safety cover 11 through the common rotation of bearing, fixedly connected with torsion spring 16 between safety cover 11 and the operation piece 14, safety cover 11 can adopt the polytetrafluoroethylene material, it is corrosion-resistant and have higher intensity, have better protection effect to photoelectric receiver 3.

The cross sections of the first sliding block 6 and the second sliding block 12 are both T-shaped, the first sliding groove 5 and the second sliding groove 13 are both T-shaped sliding grooves, and the T-shaped first sliding block 6 and the T-shaped second sliding block 12 are more firmly connected with the first sliding groove 5 and the second sliding groove 13 to avoid falling off.

The lead angle of the threaded rod 8 is smaller than the equivalent friction angle of the screw pair formed by the threaded rod 8 and the corresponding connecting block 7, so that the self-locking of the threaded connection between the threaded rod 8 and the connecting block 7 is realized, the shaking of the threaded connection part is avoided, the shaking of the photoelectric receiver 3 is avoided, the measuring accuracy is ensured, the threaded rod 8 adopts a precise threaded rod with the thread pitch of 0.5mm, and the precise adjustment of the photoelectric receiver 3 is ensured.

The stepping motor 10 is a motor with the model of 57BL-1010H1-LS-B, the outer wall of the handle 2 is wrapped with a rubber pad, and the rubber pad ensures the stability when the handle 2 is held, so that slipping is avoided, and the telemeter falls off.

When the utility model is used, the handle is held, and the operation block 14 is pulled backwards, so that the operation block 14 drives the protection cover 11 to move backwards through the rotating rod 15, and simultaneously, the protection cover 11 rotates around the rotating rod 15, so that the protection cover 11 rotates 90 degrees, is parallel to the telemeter main body 1 and leaks out of the photoelectric receiver 3;

then aligning the telemeter to the position to be measured, starting the telemeter, making the laser transmitter 4 emit laser beam, irradiating on the background reflector behind the measured target, after refraction or reflection, the telemeter receives the reflected light and gathers on the photoelectric receiver 3 of the telemeter main body 1, after the photoelectric receiver 3 receives the light beam, the signal is transmitted to the photoelectric signal processing device 17 for analysis processing, if the photoelectric signal received by the photoelectric signal processing device 17 is not enough for analysis detection, the signal is transmitted to the PLC controller 18, the PLC controller 18 sends pulse signal to the stepping motor 10, so that the stepping motor 10 rotates to drive the threaded rod 8 to rotate, thereby making the connecting block 7 move, the photoelectric receiver 3 is driven by the connecting rod 71 and the mounting plate 9 to slide towards the outside of the telemeter main body 1, adjusting the distance between the connecting rod and the target to be measured, until the photoelectric signal processing device 17 receives enough photoelectric signal for measurement, carrying out analytical measurement;

after use, the telemeter is closed, and the operation block 14 is pushed forward, so that the protective cover 11 moves forward along with the operation block, and under the elastic force of the torsion spring 16, the protective cover 11 rotates 90 degrees to cover the photoelectric receiver 3, thereby protecting the photoelectric receiver.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The laser gas telemeter suitable for the complex environment comprises a telemeter main body (1) and is characterized in that a handle (2) is fixedly connected to the lower surface of the telemeter main body (1), a laser emitter (4) is detachably connected to the upper surface of the telemeter main body (1), a photoelectric receiver (3) is connected to the side wall of the telemeter main body (1) in a penetrating and sliding mode, first sliding grooves (5) are formed in two opposite side walls of the telemeter main body (1), first sliding blocks (6) are connected in the first sliding grooves (5) in a sliding mode, connecting blocks (7) are glued to the side wall, away from one side of the telemeter main body (1), of the first sliding blocks (6), mounting plates (9) are glued to the two opposite side walls of the photoelectric receiver (3), and a plurality of connecting rods (71) are fixedly connected between the mounting plates (9) and the corresponding connecting blocks (7), the remote sensing instrument is characterized in that an adjusting device is arranged in the remote sensing instrument main body (1), and a protecting device is connected to the bottom wall of the remote sensing instrument main body (1) in a sliding mode.

2. The laser gas telemeter suitable for complex environments is characterized in that the adjusting device comprises a photoelectric signal processing device (17) and a PLC (18), the photoelectric signal processing device (17) is electrically connected with the photoelectric receiver (3) through a lead, two opposite side walls of the telemeter body (1) are respectively glued with a stepping motor (10), an output shaft of the stepping motor (10) is welded with a threaded rod (8), and the threaded rod (8) is in threaded connection with the corresponding connecting block (7).

3. The laser gas telemeter applicable to the complex environment is characterized in that the protection device comprises a second sliding groove (13) formed in the bottom wall of the telemeter body (1), a second sliding block (12) is slidably connected in the second sliding groove (13), an operating block (14) is glued to the lower surface of the second sliding block (12), the operating block (14) penetrates through a rotating rod (15), two ends of the rotating rod (15) are both rotatably connected with a protection cover (11) through a bearing together, and a torsion spring (16) is fixedly connected between the protection cover (11) and the operating block (14).

4. The laser gas telemeter applicable to complex environments according to claim 3, wherein the cross sections of the first slider (6) and the second slider (12) are both T-shaped, and the first sliding groove (5) and the second sliding groove (13) are both T-shaped sliding grooves.

5. A laser gas telemeter suitable for complex environments, according to claim 2, wherein the lead angle of the threaded rod (8) is smaller than the equivalent friction angle of the screw pair formed by the threaded rod (8) and the corresponding connecting block (7).

6. The laser gas telemeter suitable for complex environments as claimed in claim 2, wherein the stepping motor (10) is a model 57BL-1010H1-LS-B motor, and the outer wall of the handle (2) is wrapped with a rubber pad.