CN212300549U

CN212300549U - Strip-shaped sensor is arranged to many allies oneself with

Info

Publication number: CN212300549U
Application number: CN202021660459.1U
Authority: CN
Inventors: 张淑娟
Original assignee: Beijing Lingyun Sulu Technology Co Ltd
Current assignee: Beijing Lingyun Sulu Technology Co Ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-01-05
Anticipated expiration: 2030-08-11

Abstract

The utility model provides a strip sensor is arranged to many allies oneself with more, including the sensor unit, the road surface has seted up the constant head tank, the sensor unit sets up in the constant head tank, still include locating plate subassembly, inflation fixing bolt and stopping, the locating plate subassembly includes the base plate, the base plate bilateral symmetry has seted up the locating hole, inflation fixing bolt passes the locating hole and fixes the base plate in the constant head tank, five sensor units hug closely each other and fix on the base plate face, the sensor unit top surface flushes in the road surface, the stopping is filled in the constant head tank; the sensor is characterized in that a plurality of sensor rows are fixedly arranged on the substrate, seamless butt joint of the multi-row sensors is realized, meanwhile, a protective sleeve consisting of a bottom plate, a side plate and a top plate is arranged outside the sensor, the mounting time is short, the service life of the sensor after pavement mounting is effectively prolonged, and the sensor is suitable for mounting environments such as viaducts and the like which cannot be hardened on surface layers and mounting areas which are huge in traffic flow and cannot seal roads for a long time.

Description

Strip-shaped sensor is arranged to many allies oneself with

Technical Field

The utility model relates to a vehicle technical field that weighs especially relates to a strip sensor is arranged to ally oneself with more.

Background

With the continuous development of national economy, the infrastructure construction and logistics industry of China enter a rapid development period. The road overload detection is to realize the supervision of the vehicle overload phenomenon, the application scenes of transportation, storage, transportation, packaging, distribution and the like in the logistics industry need frequent weighing operation, and the traditional bayonet or over-station detection mode is adopted to carry out force, so that potential safety hazards such as card rushing and the like can exist. People have an increasing demand for fast, reliable and accurate dynamic weighing.

At present, when sensors for weighing are installed, quartz or narrow strip sensors are generally adopted, meanwhile, a positioning groove needs to be excavated in advance in the width direction of a road embedded in the positioning groove, a plurality of sensors are placed in the positioning groove, and a cable groove convenient for power supply or signal wiring of each sensor is excavated near the positioning groove.

However, the current quartz and narrow strip sensors have high requirements on road surface hardening and installation environment, and can not effectively detect part of driving behaviors intentionally avoiding detection after installation, such as intentional parking and speed stagnation in a detection area; meanwhile, after the flat plate detection equipment is installed, the maintenance cost is high in the service life, and once the equipment is migrated, the problem of large engineering load is involved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a reform transform cycle to disease road is short, and is little to the road surface destruction, is convenient for install and maintains, and measures accurate many gang bar shape sensors that ally oneself with.

The technical scheme of the utility model is realized like this: the utility model provides a many rows of strip shape sensors that ally oneself with, including sensor unit, the constant head tank has been seted up on the road surface, and sensor unit sets up in the constant head tank, still includes locating plate subassembly, inflation fixing bolt and stopping, and the locating plate subassembly includes the base plate, and the locating hole has been seted up to base plate bilateral symmetry, and inflation fixing bolt passes the locating hole and is fixed in the constant head tank with the base plate in, and on the base plate face of being fixed in that five sensor units hug closely each other, the sensor unit top surface flushes in the road surface, and the.

On the basis of above technical scheme, preferred, locating plate subassembly still includes pterygoid lamina and apron, and pterygoid lamina mated fixed connection is in the base plate both sides, and the apron lock is in the base plate both sides, and the apron top surface flushes in the road surface, and the draw-in groove has been seted up at the apron top, and pterygoid lamina top fixed snap is in the draw-in groove, and pterygoid lamina, apron and base plate enclose into the cable that the threading chamber is used for interlude sensor unit.

Based on the above technical solution, preferably, the filler is filled between adjacent sensor units.

More preferably, the filler is a foam rubber.

On the basis of the technical scheme, preferably, the sensor unit comprises a bottom plate, a top plate, two side plates, an elastic body and a strain resistance chip, wherein the bottom plate is fixedly arranged on the base plate, the two side plates are fixed on two sides of the surface of the bottom plate in pairs, the elastic body is arranged on the surface of the bottom plate and positioned between the two side plates, and the top plate is fixedly connected to the top surface of the elastic body and positioned between the two side plates; a plurality of cavities are formed in the elastic body, and the strain resistor disc is fixedly attached to the inner wall of each cavity.

Still further preferably, the elastic body comprises two first connecting sheets, a second connecting sheet and two third connecting sheets, wherein the two first connecting sheets are symmetrically and fixedly attached to the bottom surfaces of the top plate and the bottom plate, the second connecting sheet is fixedly connected between the two first connecting sheets, and the two third connecting sheets are symmetrically and fixedly connected between the top of the second connecting sheet and the bottom surface of one of the first connecting sheets and between the bottom of the second connecting sheet and the surface of the other first connecting sheet.

Further preferably, a core cavity is formed in the center of the second connecting sheet, side cavities are symmetrically formed in two sides of the second connecting sheet, the side cavities and the core cavity are isolated from each other, and the strain resistance discs are symmetrically arranged on the surfaces, in contact with the two side cavities and the middle core cavity, of the second connecting sheet.

Further preferably, the side surface of the first connecting piece located above is symmetrically provided with a top cavity, the side surface of the first connecting piece located below is symmetrically provided with a bottom cavity, and the symmetrical top cavity and the symmetrical bottom cavity are both communicated with the side cavity of the corresponding side.

Still further preferably, the sensor unit further comprises two end panels, the end panels are symmetrically arranged at two ends of the elastic body, side edges of the end panels are fixedly connected to the two side panels respectively, a top edge of the end panel is fixedly connected to a bottom surface of the top plate, and a bottom edge of the end panel is fixedly connected to a surface of the bottom plate.

The utility model discloses a strip sensor is arranged to ally oneself with more has following beneficial effect for prior art:

(1) set up a plurality of sensors and ally oneself with row fixed mounting on the base plate, realized many and ally oneself with row's sensor seamless butt joint, set up the protective sheath that comprises bottom plate, curb plate and roof simultaneously outside the sensor, installation time is short, has effectively prolonged the life of sensor after the road surface installation, is applicable to the erection environment that can not the surface course sclerosis such as overpass to and the traffic flow is huge and can not seal the installation region of way for a long time, and when repairing the road surface and transforming, be convenient for take out and lay again.

(2) Set up lock apron on the base, the threading chamber that both enclose is convenient for effectively protect the cable of sensor unit, makes a plurality of sensor unit measurement that set up side by side more accurate, reduces the work load to road surface excavation cable groove simultaneously, reduces the damage to the road surface.

(3) The filling material is filled in the positioning groove and among the sensor units, the filling material has good ductility, and the toughness and the shock resistance after solidification are excellent, so that the buried device can be integrated with the ground.

(4) The elastic body is internally provided with a plurality of cavities, each cavity is relatively independent and stable in environment, is not easily interfered by external factors, and can ensure the stability and reliability of measurement of the sensor unit; the elastomer can take place deformation after receiving external force, can the reconversion after the external force cancels, makes the indirect weighing that weighs of strain resistance piece accessible deformation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a multi-gang strip sensor of the present invention;

fig. 2 is a perspective view of a sensor unit of the present invention;

fig. 3 is an elevational cross-section of a first embodiment of a sensor unit of the present invention;

fig. 4 is an elevational cross-section of a second embodiment of a sensor unit of the present invention;

fig. 5 is an elevational cross-section of a third embodiment of a sensor unit according to the invention.

In the figure: 1. a sensor unit; 11. a base plate; 12. a side plate; 13. a top plate; 14. an elastomer; 140. a cavity; 1401. a lateral cavity; 1402. a core cavity; 1403. a top chamber; 1404. a bottom cavity; 141. a first connecting piece; 142. a second connecting sheet; 143. a third connecting sheet; 15. a strain resistance chip; 16. an end panel; 2. positioning a groove; 3. a positioning plate assembly; 31. a substrate; 32. a wing plate; 33. a cover plate; 331. a card slot; 34. positioning holes; 35. a threading cavity; 4. an expansion fixing bolt; 5. and (3) a filling material.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1, the utility model discloses a many rows of strip shape sensor that ally oneself with, including sensor unit 1, constant head tank 2 has been seted up on the road surface, sensor unit 1 sets up in constant head tank 2, still include locating plate subassembly 3, inflation fixing bolt 4 and stopping 5, locating plate subassembly 3 includes base plate 31, locating hole 34 has been seted up to base plate 31 bilateral symmetry, inflation fixing bolt 4 passes locating hole 34 and is fixed in constant head tank 2 with base plate 31 in, on the base plate 31 face of being fixed in that five sensor unit 1 hug closely each other, sensor unit 1 top surface flushes in the road surface, stopping 5 is filled in constant head tank 2.

Wherein, locating plate subassembly 3 still includes pterygoid lamina 32 and apron 33, and pterygoid lamina 32 is mated fixed connection in base plate 31 both sides, and apron 33 lock in base plate 31 both sides, and apron 33 top surface flushes in the road surface, and draw-in groove 331 has been seted up at apron 33 top, and the fixed block in draw-in groove 331 in pterygoid lamina 32 top, pterygoid lamina 32, apron 33 and base plate 31 enclose into threading chamber 35 and are used for alternate the cable of sensor unit 1.

The filler 5 is filled between the adjacent sensor cells 1.

As can be seen from the above, the substrate 31 serves as a base for rigid fixation, and the plurality of sensor units 1 are all fixed on the substrate 31, so that the detection surfaces of the sensor units 1 can maintain the same height, and the accuracy of weighing measurement can be improved; the cover plate 33 is buckled on the substrate 31, then the filling material 5 is filled between the positioning groove 2 or the cover plate 33 and the sensor unit 1, the filling material 5 is preferably foam rubber and has good ductility, the toughness and the shock resistance after curing are excellent, and the cover plate 33 and the upper surface of the sensor unit 1 can be flush with the road surface; the enclosed threading cavity 35 forms a cabling space for the cable.

The strip-shaped sensors in the five-row are formed by sequentially arranging three rows of weighing sensors and two rows of wheel axle identification sensors at intervals.

Meanwhile, compared with the traditional flat plate type weighing device, the multi-row strip-shaped sensor has the advantages that the weighing table-board is small in mass and thickness, damage to the road surface is small, and the problems that an overloaded vehicle drives to cause large deformation inertia of the table-board or the weighing precision is seriously reduced when the traffic flow is overlarge are solved; compared with the traditional quartz or narrow strip sensor, the distance between the adjacent sensors is smaller, and the detection rate accuracy of the vehicle with low speed or variable speed is higher.

Specifically, the utility model discloses still realize through following technical scheme.

As shown in fig. 1 and fig. 2, the sensor unit 1 includes a bottom plate 11, a top plate 13, two side plates 12, an elastic body 14 and a strain resistance chip 15, the bottom plate 11 is fixedly mounted on a substrate 31, the two side plates 12 are fixed to two sides of the surface of the bottom plate 11 in pairs, the elastic body 14 is disposed on the surface of the bottom plate 11 and located between the two side plates 12, and the top plate 13 is fixedly connected to the top surface of the elastic body 14 and located between the two side plates 12; the elastic body 14 is internally provided with a plurality of cavities 140, the strain resistance chip 15 is fixedly attached to the inner wall of each cavity 140, a protective sleeve is enclosed by the bottom plate 11, the side plate 12 and the top plate 13, the inner elastic body 14 and the strain resistance chip 15 are protected, the detection accuracy of the sensor unit 1 is improved, and the service life of the sensor after pavement installation is effectively prolonged.

By adopting the technical scheme, the plurality of cavities 140 are arranged in the elastic body 14, and each cavity 140 is relatively independent and stable in environment, is not easily interfered by external factors, and can ensure the stability and reliability of measurement of the sensor unit 1; meanwhile, the elastic body 14 can deform under the action of external force, and can restore to the original shape after the external force is cancelled, so that the strain resistance chip 15 can indirectly weigh through deformation.

As the first and second embodiments of the elastic body 14, as shown in fig. 1 in conjunction with fig. 3 and 4, the elastic body 14 includes two first connection pieces 141, one second connection piece 142 and two third connection pieces 143, the two first connection pieces 141 are symmetrically and fixedly attached to the bottom surface of the top plate 13 and the surface of the bottom plate 11, the second connection piece 142 is fixedly attached between the two first connection pieces 141, and the two third connection pieces 143 are symmetrically and fixedly attached between the top of the second connection piece 142 and the bottom surface of one of the first connection pieces 141 and between the bottom of the second connection piece 142 and the surface of the other first connection piece 141.

The core cavity 1402 is formed in the center of the second connecting sheet 142, the side cavities 1401 are symmetrically formed in two sides of the second connecting sheet 142, the side cavities 1401 and the core cavity 1402 are isolated from each other, and the strain resistance sheets 15 are symmetrically arranged on the surfaces, in contact with the two side cavities 1401 and the middle core cavity 1402, of the second connecting sheet 142.

As a third embodiment of the elastic body 14, as shown in fig. 1, in combination with fig. 5, a top cavity 1403 is symmetrically opened on a side surface of the upper first connecting piece 141, a bottom cavity 1404 is symmetrically opened on a side surface of the lower first connecting piece 141, and both the symmetrical top cavity 1403 and the symmetrical bottom cavity 1404 are communicated with the corresponding side cavity 1401.

As some alternative embodiments, the sensor unit 1 further includes two end panels 16, the elastic body 14 is enclosed and protected from both ends, the end panels 16 are symmetrically disposed on both ends of the elastic body 14, the side edges of the end panels 16 are fixedly connected to the two side plates 12, respectively, the top edge of the end panel 16 is fixedly connected to the bottom surface of the top plate 13, and the bottom edge of the end panel 16 is fixedly connected to the surface of the bottom plate 11.

The working principle is as follows:

when the multi-row sensors need to be installed, firstly, the positioning groove 2 is excavated in the road surface, the excavation width is 650mm, the excavation depth is 100mm to 150mm, the multi-row strip sensors are installed, and finally, the filling material 5 is poured into the positioning groove 2.

On the premise of ensuring that a road subgrade is intact and has no diseases, or aiming at a hardened pavement, the multi-row strip sensor can realize the direct laying of the positioning grooves 2 arranged on the asphalt pavement.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a strip sensor is arranged to ally oneself with more, includes sensor unit (1), and constant head tank (2) have been seted up on the road surface, and this sensor unit (1) sets up in constant head tank (2), its characterized in that: still include locating plate subassembly (3), inflation fixing bolt (4) and stopping (5), locating plate subassembly (3) includes base plate (31), locating hole (34) have been seted up to base plate (31) bilateral symmetry, inflation fixing bolt (4) pass locating hole (34) and are fixed in constant head tank (2) base plate (31) in, five sensor unit (1) hug closely each other be fixed in on base plate (31) face, sensor unit (1) top surface flushes in the road surface, stopping (5) are filled in constant head tank (2).

2. A multiple gang bar sensor as claimed in claim 1, wherein: the positioning plate assembly (3) further comprises wing plates (32) and a cover plate (33), the wing plates (32) are fixedly connected to two sides of the base plate (31) in pairs, the cover plate (33) is buckled on two sides of the base plate (31), the top surface of the cover plate (33) is flush with the road surface, a clamping groove (331) is formed in the top of the cover plate (33), the tops of the wing plates (32) are fixedly clamped in the clamping groove (331), and a threading cavity (35) is defined by the wing plates (32), the cover plate (33) and the base plate (31) and used for inserting a cable of the sensor unit (1).

3. A multiple gang bar sensor as claimed in claim 1, wherein: the filling material (5) is filled between the adjacent sensor units (1).

4. A multiple gang bar sensor as claimed in claim 3, wherein: the filling material (5) is foam rubber.

5. A multiple gang bar sensor as claimed in claim 1, wherein: the sensor unit (1) comprises a bottom plate (11), a top plate (13), two side plates (12), an elastic body (14) and a strain resistance chip (15), wherein the bottom plate (11) is fixedly arranged on a base plate (31), the two side plates (12) are fixed on two sides of the surface of the bottom plate (11) in pairs, the elastic body (14) is arranged on the surface of the bottom plate (11) and located between the two side plates (12), and the top plate (13) is fixedly connected to the top surface of the elastic body (14) and located between the two side plates (12); a plurality of cavities (140) are formed in the elastic body (14), and the strain resistance chip (15) is fixedly attached to the inner wall of each cavity (140).

6. A multiple gang bar sensor as claimed in claim 5, wherein: the elastic body (14) comprises two first connecting sheets (141), a second connecting sheet (142) and two third connecting sheets (143), the two first connecting sheets (141) are symmetrically and fixedly attached to the bottom surface of the top plate (13) and the surface of the bottom plate (11), the second connecting sheet (142) is fixedly connected between the two first connecting sheets (141), and the two third connecting sheets (143) are symmetrically and fixedly connected between the top of the second connecting sheet (142) and the bottom surface of one of the first connecting sheets (141) and between the bottom of the second connecting sheet (142) and the surface of the other first connecting sheet (141).

7. A multiple gang bar sensor as claimed in claim 6, wherein: the core cavity (1402) is formed in the center of the second connecting sheet (142), the side cavities (1401) are symmetrically formed in two sides of the second connecting sheet (142), the side cavities (1401) and the core cavity (1402) are isolated from each other, and the strain resistance sheets (15) are symmetrically arranged on the surfaces, in contact with the two side cavities (1401) and the middle core cavity (1402), of the second connecting sheet (142).

8. A multiple gang bar sensor as claimed in claim 7, wherein: the lateral surface of the first connecting piece (141) positioned above is symmetrically provided with a top cavity (1403), the lateral surface of the first connecting piece (141) positioned below is symmetrically provided with a bottom cavity (1404), and the top cavity (1403) and the bottom cavity (1404) which are symmetrical are both communicated with the lateral cavity (1401) on the corresponding side.

9. A multiple gang bar sensor as claimed in claim 5, wherein: the sensor unit (1) further comprises two end panels (16), wherein the end panels (16) are symmetrically arranged at two ends of the elastic body (14), the side edges of the end panels (16) are respectively and fixedly connected to the two side plates (12), the top edges of the end panels (16) are fixedly connected to the bottom surface of the top plate (13), and the bottom edges of the end panels (16) are fixedly connected to the surface of the bottom plate (11).