CN112902879A

CN112902879A - Engineering machinery tilt angle sensor based on internet of things technology

Info

Publication number: CN112902879A
Application number: CN202110285631.2A
Authority: CN
Inventors: 冯婧
Original assignee: Xuzhou Yuwei Electronic Technology Co ltd
Current assignee: Xuzhou Yuwei Electronic Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-06-04
Anticipated expiration: 2041-03-17
Also published as: CN112902879B

Abstract

The invention discloses an inclination angle sensor for engineering machinery based on the Internet of things technology, which belongs to the field of inclination angle sensors and comprises a support frame, wherein an inclination angle sensor main body is fixedly connected onto the support frame, one end of the inclination angle sensor main body, which is far away from the support frame, is fixedly connected with a rechecking ring, the interior of the rechecking ring is rotatably connected with an axle center, a detection shaft is clamped in the axle center, a plurality of uniformly distributed clamping grooves are formed in the inner wall of the detection shaft, one end of a rechecking probe, which is positioned in the rechecking ring, is fixedly connected with a ray generator, one end of an auxiliary buffer plate, which is close to a limit detection column, is fixedly connected with a composite air bag, so that the effects of timely buffering and early warning when the inclination angle of a structure connected with the inclination angle sensor exceeds a limited range can be realized, detection data deviation is prevented.

Description

Engineering machinery tilt angle sensor based on internet of things technology

Technical Field

The invention relates to the field of tilt sensors, in particular to a tilt sensor for engineering machinery based on the internet of things technology.

Background

Angle sensors, also known as inclinometers, gradienters, inclinometers, are often used for horizontal angular change measurement of systems, gradienters ranging from simple bubble gradienters in the past to electronic gradienters as a result of the development of automation and electronic measurement techniques. As a detection tool, the device becomes an indispensable important measuring tool in the fields of bridge erection, railway laying, civil engineering, oil drilling, aviation and navigation, industrial automation, intelligent platforms, machining and the like. The electronic level meter is a very precise detection tool for measuring small angles, and can be used for measuring the inclination of a measured plane relative to a horizontal position, the mutual parallelism and the perpendicularity of two components. Because the inclination angle sensor, the measuring circuit and the welding position all have inherent deviation, an error exists between the inclination angle measured by the inclination angle sensor and the actual inclination angle, and the accuracy is low.

The transportation frame is used for protecting products in circulation and facilitating transportation, in the packaging and transportation process, in order to protect the products from being damaged, a buffer part is usually adopted to protect the products, a mobile power supply and other articles which are easy to break and have high value need to be protected in the transportation process, the products are easy to damage when serious vibration and inclination occur, serious economic loss is caused, particularly, the transportation frame in a ship body is easy to incline due to ship jolt in the marine transportation process, and the products are damaged when the transportation frame is seriously inclined.

Present tilt sensor is because tilt sensor itself, measuring circuit itself and welding position all can have inherent deviation for there is the error between the inclination that tilt sensor measured and the inclination of reality, and the degree of accuracy is lower, and itself only possesses the angle and detects the function, and when the installation need detect the device of inclination on, when device inclination exceeded the limited range, can not in time carry out emergency treatment.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide the tilt angle sensor for the engineering machinery based on the internet of things technology, which can realize timely buffering and early warning when the tilt angle of a structure connected with the tilt angle sensor exceeds a limited range, effectively prevent the structure from exceeding the tilt limit angle, and prevent the deviation of detection data by installing a rechecking mechanism in the device and contrasting the detection data with the tilt angle sensor.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

Based on the tilt angle sensor for the Internet of things technical engineering machinery, the tilt angle sensor comprises a support frame, a tilt angle sensor body is fixedly connected onto the support frame, a rechecking ring is fixedly connected onto one end, away from the support frame, of the tilt angle sensor body, the rechecking ring is connected with an axle center in a rotating manner, a detection shaft is connected into the axle center in a clamping manner, a plurality of clamping grooves which are uniformly distributed are formed in the inner wall of the detection shaft, two pairs of rechecking probes are fixedly connected onto the detection shaft, a ray generator is fixedly connected onto one end, located in the rechecking ring, of each rechecking probe, the rechecking ring comprises a hollow ring, a pair of limiting detection columns are installed in the hollow ring, photosensitive sensors matched with the ray generator are installed on the limiting detection columns, auxiliary buffer plates are arranged on two sides of the limiting detection columns, and air, one end of each auxiliary buffer plate close to the limiting detection column is fixedly connected with a composite air bag, the air guide tube penetrates through the composite air bag, an air pump matched with the air guide tube is connected between the limiting detection column and the hollow ring, a plurality of equidistant photosensitive tubes which are uniformly distributed are arranged between a pair of limiting detection columns, the equidistant photosensitive tubes are circumferentially distributed between the two auxiliary buffer plates, and the equidistant photosensitive tube is fixedly connected with the inner wall of the hollow ring, one end of the equidistant photosensitive tube close to the inner wall of the hollow ring is fixedly connected with an infrared sensor, can realize timely buffering and early warning when the inclination angle of the structure connected with the inclination angle sensor exceeds a limited range, effectively prevent the structure from exceeding the inclination limiting angle, and a rechecking mechanism is installed in the device and contrasts with the tilt angle sensor to detect data, so that the deviation of the detected data is prevented.

Furthermore, a hot melt film is laid on the inner wall of the composite air bag, the distance between the hot melt film and the inner wall of the composite air bag is 3-5mm, a plurality of uniformly distributed expansion balls are filled between the hot melt film and the composite air bag, the hot melt film is made of low-melting-point paraffin, when the composite air bag is buffered, the hot melt film can be melted by injecting heated air, so that the expansion balls are released, the composite air bag is filled with the expansion balls, and secondary buffering is performed on the composite air bag through the expansion balls after the composite air bag is extruded to the compression limit.

Further, the equidistance photosensitive tube is made by the crystal light pipe, and has laid the light shield layer on the outer wall of equidistance photosensitive tube, prevents that light from passing equidistance photosensitive tube and dispersing to the external world.

Further, the surface of the auxiliary buffer plate is polished smoothly, the arc-shaped groove is formed in the end, away from the limiting detection column, of the auxiliary buffer plate, the circular angle matched with the arc-shaped groove is formed in the outer wall, located at the inner end of the rechecking ring, of the rechecking probe, and the damping buffer layer is paved on the circular angle, so that when the rechecking probe impacts the auxiliary buffer plate, the auxiliary buffer plate can buffer effectively.

Furthermore, the outer wall of the axle center and the inner wall of the inner ring of the rechecking ring are provided with annular grooves, and a plurality of bearing balls which are uniformly distributed are connected between the two annular grooves, so that the axle center can rotate conveniently.

Further, reinspection probe include with the fixed station that detects axle fixed connection, the movable table has been cup jointed on the fixed station, a pair of second electric putter of fixedly connected with on the movable table, second electric putter's power take off end and movable table fixed connection, the ray generator is installed on the outer wall of movable table, and the reinspection probe can prolong, and the contact surface of probe and supplementary buffer board is reinspected in the increase on the one hand, still can laminate ray generator and equidistance sensitization pipe completely, prevents that the ray from dispersing.

Further, install the controller in the axle center, it is a plurality of the recheck probe all is connected with controller electric connection, infrared ray receiving sensor in the equidistance photosensitive tube, photosensitive sensor and the angular transducer main part on the spacing detection post all are connected with control signal.

Further, the axle center includes a pair of activity half shell, activity half shell center chisel have with detection axle assorted jack, it is a pair of minimum interval between the activity half shell matches with the thickness of reinspection probe, it is a pair of connect a pair of electric putter between the activity half shell, first electric putter and controller signal connection.

Further, two pairs of ray generator is infrared beam generator and laser generator respectively, the light beam wavelength that infrared beam generator and laser generator sent is different, makes two kinds of light beams of infrared ray receiving transducer in the equidistance sensitization pipe and the photosensitive sensor in the spacing detection post of monitoring respectively.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize in time buffering and early warning when the structure inclination that is connected with inclination sensor surpasss the limited range, prevents effectively that the structure from surpassing slope angle limit, and installs reinspection mechanism in the device, and with inclination sensor contrast the detection data, prevent to detect the detection data deviation.

(2) The composite airbag is characterized in that a hot melt film is laid on the inner wall of the composite airbag, the distance between the hot melt film and the inner wall of the composite airbag is 3-5mm, a plurality of uniformly distributed expansion balls are filled between the hot melt film and the composite airbag, the hot melt film is made of low-melting-point paraffin, when the composite airbag is buffered, the hot melt film can be melted by injecting heated air, the expansion balls are released, the composite airbag is filled with the expansion balls, and the composite airbag is subjected to secondary buffering through the expansion balls after being extruded to the compression limit.

(3) The surface of supplementary buffer board is polished smoothly, and supplementary buffer board keeps away from the one end of spacing detection post and has seted up the arc wall, recheck the probe and lie in recheck intra-annular one end outer wall on set up with arc wall assorted fillet, and the fillet upper berth is equipped with the damping buffer layer, when making the recheck probe impact supplementary buffer board, supplementary buffer board can effectively cushion.

(4) Reinspection probe include with the fixed station that detects a fixed connection, the movable table has been cup jointed on the fixed station, a pair of second electric putter of fixedly connected with on the movable table, second electric putter's power take off end and movable table fixed connection, the ray generator is installed on the outer wall of movable table, the reinspection probe can be prolonged, the contact surface of increase reinspection probe and supplementary buffer board on the one hand, can also laminate ray generator and equidistance sensitization pipe completely, prevent that the ray from dispersing.

(5) Install the controller in the axle center, a plurality of recheck probes all with controller electric connection, infrared ray receiving sensor in the equidistance sense optical tube, photosensitive sensor and the angular transducer main part on the spacing detection post all are connected with control signal, the axle center includes a pair of activity half shell, activity half shell center division chisel have with detect axle assorted jack, minimum interval and recheck probe's between a pair of activity half shell thickness phase-match, a pair of electric putter is connected between a pair of activity half shell, first electric putter and controller signal connection, make things convenient for device's centralized control.

Drawings

FIG. 1 is a perspective view of the present invention

FIG. 2 is a side view of the present invention;

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

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is a cross-sectional view of the present invention at a recheck ring;

FIG. 6 is a schematic view of the structure at A in FIG. 5 according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a support frame 1, an inclination angle sensor body 2, a 3 rechecking ring, a 301 hollow ring, a 302 limit detection column, a 303 auxiliary buffer plate, a 304 air guide tube, a 305 composite air bag, a 4 shaft center, a 5 detection shaft, a 6 rechecking probe, a 601 fixed table, a 602 movable table, a 603 second electric push rod, a 7 ray generator and an 8 equidistant photosensitive tube.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. Specific meanings of the above terms in the present invention can be specifically understood by those of ordinary skill in the art.

Example 1:

referring to fig. 1-3, the tilt angle sensor for engineering machinery based on the internet of things technology comprises a support frame 1, a tilt angle sensor main body 2 is fixedly connected to the support frame 1, a rechecking ring 3 is fixedly connected to one end of the tilt angle sensor main body 2 away from the support frame 1, an axle center 4 is rotatably connected to the rechecking ring 3, a detecting axle 5 is clamped in the axle center 4, a plurality of clamping grooves which are uniformly distributed are cut on the inner wall of the detecting axle 5, two pairs of rechecking probes 6 are fixedly connected to the detecting axle 5, a ray generator 7 is fixedly connected to one end of each rechecking probe 6 in the rechecking ring 3, the rechecking ring 3 comprises a hollow ring 301, a pair of limit detecting columns 302 are installed in the hollow ring 301, photosensitive sensors matched with the ray generator 7 are installed on the limit detecting columns 302, auxiliary buffer plates 303 are respectively arranged on two sides of the limit detecting columns 302, and an air duct 304 is, the auxiliary buffer plate 303 is close to the compound gasbag 305 of one end fixedly connected with of spacing detection post 302, install the check valve on the air duct 304, and the air duct 304 runs through compound gasbag 305, be connected with between spacing detection post 302 and the hollow ring 301 with air duct 304 assorted air pump, the outlet end of air pump install with air duct 304 assorted heating device, make the air pump can be to the interior input hot gas flow of compound gasbag 305, a pair of spacing detection post 302 between be equipped with a plurality of evenly distributed's equidistance sensitization pipe 8, equidistance sensitization pipe 8 is the circumference and distributes between two auxiliary buffer plate 303, and equidistance sensitization pipe 8 and hollow ring 301's inner wall fixed connection, the one end fixedly connected with infrared inductor of being close to hollow ring 301 inner wall in the equidistance sensitization pipe 8.

Referring to fig. 2 to 5, a hot melt film is laid on the inner wall of the composite airbag 305, the distance between the hot melt film and the inner wall of the composite airbag 305 is 3 to 5mm, a plurality of uniformly distributed expansion balls are filled between the hot melt film and the composite airbag 305, the expansion balls are made of porous fiber materials, the expansion balls can absorb liquid paraffin, the hot melt film is made of low-melting-point paraffin, the hot melt film is softened at 35 ℃ and decomposed at 45 ℃, when the composite airbag 305 buffers, the hot melt film can be melted by injecting heated air, the expansion balls are released, the composite airbag 305 is filled with the expansion balls, and after the composite airbag 305 is extruded to the compression limit, secondary buffering is performed by the expansion balls. The surface of supplementary buffer board 303 is polished smoothly, and supplementary buffer board 303 is kept away from the one end of spacing detection post 302 and has been seted up the arc wall, recheck probe 6 be located recheck ring 3 on the one end outer wall seted up with arc wall assorted fillet, and the fillet upper berth is equipped with the damping buffer layer, when making recheck probe 6 strike supplementary buffer board 303, supplementary buffer board 303 can effectively cushion.

Referring to fig. 3-5, the outer wall of the shaft 4 and the inner wall of the inner ring of the rechecking ring 3 are both provided with annular grooves, and a plurality of bearing balls are uniformly distributed between the two annular grooves, so that the shaft 4 can rotate conveniently. A controller is installed in the axis 4, the multiple rechecking probes 6 are electrically connected with the controller, and an infrared receiving sensor in the equidistant photosensitive tube 8, a photosensitive sensor on the limit detection column 302 and the tilt sensor main body 2 are connected with control signals. The axle center 4 includes a pair of activity half shell 401, and activity half shell 401 center is opened chisel have with detection axle 5 assorted jack, minimum interval and the thickness phase-match of reinspection probe 6 between a pair of activity half shell 401, connect a pair of electric putter between a pair of activity half shell 401, first electric putter and controller signal connection, strut the extension that realizes the device with a pair of activity half shell 401 through a pair of electric putter, make things convenient for external structure and axle center 4 or detection post 5 to be connected.

Referring to fig. 4-6, the rechecking probe 6 includes a fixed platform 601 fixedly connected to the detection shaft 5, a movable platform 602 is sleeved on the fixed platform 601, a pair of second electric push rods 603 is fixedly connected to the movable platform 602, a power output end of the second electric push rods 603 is fixedly connected to the movable platform 602, the radiation generator 7 is installed on an outer wall of the movable platform 602, the rechecking probe 6 can be extended, on one hand, a contact surface between the rechecking probe 6 and the auxiliary buffer plate 303 is increased, and the radiation generator 7 can be completely attached to the equidistant photosensitive tube 8 to prevent radiation from diverging.

The two pairs of ray generators 7 are respectively an infrared light beam generator and a laser generator, and the wavelengths of light beams emitted by the infrared light beam generator and the laser generator are different, so that an infrared receiving sensor in the equidistant photosensitive tube 8 and a photosensitive sensor in the limit detection column 302 respectively monitor the two light beams. The equidistance photosensitive tube 8 is made by the crystal light pipe, and lays the light shield layer on the outer wall of equidistance photosensitive tube 8, prevents that light from passing equidistance photosensitive tube 8 and dispersing to the external world.

In the use process of the device, an external structure is connected with a detection shaft 5, when the external structure inclines, the rotation angle of the detection shaft 5 is monitored through a tilt angle sensor main body 2, when the detection shaft 5 rotates, a rechecking probe 6 synchronously rotates, when the rechecking probe 6 moves along an equidistant photosensitive tube 8, infrared rays emitted by the rechecking probe 6 enter the equidistant photosensitive tube 8, an infrared receiving sensor in the equidistant photosensitive tube 8 at a corresponding position is activated to obtain tilt angle data, a controller compares the tilt angle data with the monitoring data of the tilt angle sensor main body 2 to verify whether the device is damaged or not, when a light beam emitted by a laser generator is matched with the photosensitive sensor on a limit detection column 302, the structure is in a horizontal state, when the rechecking probe 6 emitting the infrared rays moves to a limit boundary, because the equidistant photosensitive tube 8 is not arranged at the limit boundary, at the moment, all the infrared receiving sensors do not detect the rays, at the moment, the controller controls the air pump in the limit detection column 302 to fill the preheated air into the composite air bag 305 to pre-expand the composite air bag 305, and simultaneously, the second electric push rod 603 in the re-detection probe 6 controls the movable table 602 to extend, when the inclination angle sensor main body 2 monitors that the structure inclination angle is close to the limit boundary, the second electric push rod 603 is also controlled to work, when the composite air bag 305 is impacted by the rechecking probe 6 to be extruded, and the composite air bag 305 is torn by a hot melt film softened by hot air flow, wherein the expansion ball is released to make the expansion ball absorb the liquid paraffin and the compressed gas and to make the expansion ball expand again, after the composite air bag 305 is compressed to the compression limit, secondary buffering is performed through the expanded expansion ball, and damage caused by excessive inclination of the structure is effectively reduced.

Can realize in time buffering and early warning when the structure inclination that is connected with inclination sensor surpasss the limit range, effectively prevent that the structure from surpassing the slope angle of limitation, and install in the device and recheck the mechanism, with inclination sensor contrast the detection data, prevent to detect the detection data deviation.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the protection scope of the present invention by equivalent or modified according to the technical solution and the modified concept of the present invention within the technical scope of the present disclosure.

Claims

1. Based on tilt sensor for internet of things engineering machine tool, including support frame (1), its characterized in that: the device is characterized in that an inclination angle sensor main body (2) is fixedly connected to the support frame (1), one end of the inclination angle sensor main body (2) far away from the support frame (1) is fixedly connected with a rechecking ring (3), the rechecking ring (3) is rotatably connected with an axle center (4), the axle center (4) is internally connected with a detection shaft (5) in a clamping manner, a plurality of uniformly distributed clamping grooves are formed in the inner wall of the detection shaft (5), two pairs of rechecking probes (6) are fixedly connected to the detection shaft (5), one end of each rechecking probe (6) positioned in the rechecking ring (3) is fixedly connected with a ray generator (7), each rechecking ring (3) comprises a hollow ring (301), a pair of limiting detection columns (302) are installed in the hollow ring (301), photosensitive sensors matched with the ray generators (7) are installed on the limiting detection columns (302), auxiliary buffer plates (303) are arranged on two sides of the limiting detection columns (302, be connected with air duct (304) between supplementary buffer board (303) and spacing detection post (302), supplementary buffer board (303) are close to the compound gasbag of one end fixedly connected with (305) of spacing detection post (302), and air duct (304) run through compound gasbag (305), spacing detection post (302) and hollow ring (301) between be connected with air duct (304) assorted air pump, it is a pair of spacing detection is equipped with a plurality of evenly distributed's equidistance sensitization pipe (8) between post (302), equidistance sensitization pipe (8) are the circumference and distribute between two supplementary buffer board (303), and equidistance sensitization pipe (8) and the inner wall fixed connection of hollow ring (301), be close to the one end fixedly connected with infrared inductor of hollow ring (301) inner wall in equidistance sensitization pipe (8).

2. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: the composite air bag is characterized in that a hot melt film is laid on the inner wall of the composite air bag (305), the distance between the hot melt film and the inner wall of the composite air bag (305) is 3-5mm, a plurality of uniformly distributed expansion balls are filled between the hot melt film and the composite air bag (305), and the hot melt film is made of low-melting-point paraffin.

3. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: equidistance light-sensitive pipe (8) are made by the crystal light pipe, and lay on the outer wall of equidistance light-sensitive pipe (8) and be equipped with the light shield layer.

4. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: the surface of supplementary buffer board (303) is polished smoothly, and supplementary buffer board (303) keep away from the one end of spacing detection post (302) and seted up the arc wall, reinspection probe (6) are located and seted up on the one end outer wall of reinspection ring (3) with arc wall assorted fillet, and the fillet upper berth is equipped with the damping buffer layer.

5. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: annular grooves are formed in the outer wall of the shaft center (4) and the inner wall of the inner ring of the rechecking ring (3), and a plurality of uniformly distributed bearing balls are connected between the two annular grooves.

6. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: reinspection probe (6) include with detect fixed station (601) of axle (5) fixed connection, movable table (602) have been cup jointed on fixed station (601), a pair of second electric putter (603) of fixedly connected with on movable table (602), the power take off end and the movable table (602) fixed connection of second electric putter (603), ray generator (7) are installed on the outer wall of movable table (602).

7. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: install the controller in axle center (4), it is a plurality of recheck probe (6) all with controller electric connection, photosensitive sensor and tilt sensor main part (2) on infrared ray receiving sensor, spacing detection post (302) in equidistance sensitization pipe (8) all are connected with control signal.

8. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: axle center (4) include a pair of activity half shell (401), activity half shell (401) center is opened chisel have with detect axle (5) assorted jack, and is a pair of minimum interval between activity half shell (401) and the thickness phase-match of reinspection probe (6), it is a pair of electric putter is connected between activity half shell (401), first electric putter and controller signal connection.

9. The tilt sensor for engineering machinery based on the internet of things technology of claim 1, wherein: the two pairs of the (7) are respectively an infrared light beam generator and a laser generator, and the wavelengths of light beams emitted by the infrared light beam generator and the laser generator are different.