CN112907983A - Durable type earth magnetism check out test set - Google Patents
Durable type earth magnetism check out test set Download PDFInfo
- Publication number
- CN112907983A CN112907983A CN202110076252.2A CN202110076252A CN112907983A CN 112907983 A CN112907983 A CN 112907983A CN 202110076252 A CN202110076252 A CN 202110076252A CN 112907983 A CN112907983 A CN 112907983A
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- sleeve
- buffer sleeve
- durable
- detection apparatus
- opening
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The application relates to a durable type earth magnetism check out test set relates to intelligent transportation's technical field, and it includes the protective housing and installs the control assembly in the protective housing, its characterized in that: still establish including the cover buffer housing outside the protective housing to and the cover is established the overcoat outside the buffer housing, the surface of buffer housing is provided with many beads. This application can strengthen current earth magnetism check out test set structural strength in order to guarantee sealed water-proof effects.
Description
Technical Field
The application relates to the field of intelligent transportation, in particular to durable geomagnetic detection equipment.
Background
An Intelligent Transportation System (ITS) effectively integrates and applies advanced information technology, data communication transmission technology, electronic sensing technology, control technology, computer technology and the like to the whole ground traffic management System, and can play a real-time, accurate and efficient comprehensive traffic management role in a large range and all-around manner.
The geomagnetic vehicle detector can detect the existence of vehicles and identify the types of vehicles, and is generally buried in the upper layer of a city road, the upper layer of the city road is mostly paved by asphalt mixed stones or concrete materials, the materials are characterized in that water is not easy to seep after solidification, but the seeped water is not easy to evaporate and discharge, so that the working environment of the geomagnetic vehicle detector is long-term wet, and the geomagnetic vehicle detector is even immersed in water in rainy and snowy seasons, so that the water resistance is one of necessary performances of the geomagnetic vehicle detector.
At present, sealing and water proofing are conventionally achieved by providing a seal ring between a housing and a housing cover of a geomagnetic vehicle detector housing. However, when the vehicle passes over the geomagnetic vehicle detector, horizontal forward impact force and downward pressure are generated on the geomagnetic vehicle detector, so that the joint between the shell and the outer cover is deformed, the seal is failed, water seepage occurs, and the PCBA inside the shell is damaged.
Disclosure of Invention
In order to strengthen current earth magnetism check out test set structural strength, guarantee sealed water-proof effects, this application provides a durable type earth magnetism check out test set.
The application provides a durable type earth magnetism check out test set adopts following technical scheme:
the utility model provides a durable type earth magnetism check out test set, includes the protective housing and installs the control assembly in the protective housing, still establishes including the cover buffer sleeve outside the protective housing, and the cover is established the overcoat outside the buffer sleeve, the surface of buffer sleeve is provided with many beads.
Through adopting above-mentioned technical scheme, cushion collar and overcoat can be protected protective housing and control assembly, and the radial impact force on the overcoat transmission to the protective housing can be cushioned to the bead on the cushion collar to the protective housing is difficult to warp and leaks and lead to control assembly impaired, and is more durable.
Optionally, the buffer sleeve and the outer sleeve are provided with cylindrical structures, and the rib extends along the axial direction of the buffer sleeve.
Through adopting above-mentioned technical scheme, the relative rotation takes place after shell and overcoat receive the impact force can be prevented to bead axial extension, prevents to cause the influence and can not accurately detect the vehicle to magnetic field after control assembly direction deflects.
Optionally, one end of the buffer sleeve is provided with an opening, the other end of the buffer sleeve is provided with a closed end, a circle of flange is arranged on the outer surface of the buffer sleeve, the flange is flush with the end face of the open end of the buffer sleeve and is matched and attached with the inner surface of the outer sleeve, and the plurality of convex edges are flush with the cylindrical surface where the outer surface of the flange is located.
Through adopting above-mentioned technical scheme, opening one end is up when installation of cushion collar and overcoat, and the gap between cushion collar and the overcoat opening terminal surface can be reduced in the laminating of flange and overcoat adaptation, is difficult to intake, and is more pleasing to the eye.
Optionally, the inner surface of the buffer sleeve and the outer surface of the protective shell are in clamping fit through a limiting groove and a limiting ridge, and the limiting groove extends out of one end of the opening of the buffer sleeve.
Through adopting above-mentioned technical scheme, the mounted position of cushion collar and protective housing can be restricted to spacing groove and spacing joint to keep the magnetic field direction of the control assembly in the protective housing, guarantee to detect the accuracy.
Optionally, the limiting groove is formed in the inner surface of the buffer sleeve and is close to one end of the opening of the buffer sleeve, and the limiting rib is arranged on the outer surface of the protective shell; the radial width of the limiting edge relative to the protective shell is slightly larger than the depth of the limiting groove.
By adopting the technical scheme, the buffer sleeve is upward when the magnetic field detection device is installed, the stress on the upper part of the buffer sleeve is larger and easier to deflect, so that the radial torsional force borne by the limiting edge is larger, the width of the limiting edge is larger than the depth of the limiting groove and cannot be completely inserted, the limiting edge has certain movement allowance, the buffer sleeve is allowed to rotate in a small range relative to the protective shell, the direction deviation of the protective shell is reduced, and the control assembly can keep the direction of the magnetic field to realize accurate detection; because spacing arris width slightly is greater than the degree of depth of spacing groove for leave certain gap between protective housing and the cushion collar, can reduce relative friction between the two, make the radial torsional force of cushion collar can be less transmit to the protective housing.
Optionally, the limiting edge and the limiting groove form a dovetail structure, and the opening of the limiting groove is formed into an expanding opening and a movable gap is reserved between the limiting edge and the limiting groove.
Through adopting above-mentioned technical scheme, the forked tail structure can prevent that spacing arris from breaking away from the spacing groove, the spacing groove set up the flaring and with spacing arris between leave the space, can increase the activity space of spacing arris.
Optionally, a reinforcing wire extending along the length direction of the limiting edge is arranged in the limiting edge.
Through adopting above-mentioned technical scheme, the reinforcement wire can increase the structural strength of spacing arris, makes spacing arris be difficult to destroyed.
Optionally, the buffer sleeve and the outer sleeve are both structures with one end opened and the other end closed, and the buffer sleeve and the closed end of the outer sleeve are both provided with an exhaust hole.
Through adopting above-mentioned technical scheme, the exhaust hole can be at the exhaust air of cushion collar and overcoat installation time for simple to operate.
Optionally, the inner surface of the closed end of the outer sleeve is provided with a plurality of supporting bars arranged at intervals.
Through adopting above-mentioned technical scheme, when dismantling the maintenance, fall into sand easily in the overcoat, influence the installation of cushion collar, the interval sets up and can form the clearance that holds sand between the support bar, even fall into the installation that a small amount of sand also can not influence the cushion collar.
Optionally, the outer sleeve is of a cylindrical structure, and the outer surface of the outer sleeve is provided with grooves extending axially.
Through adopting above-mentioned technical scheme, during the hole of seting up on the overcoat embedding road surface during the installation, the inner wall in hole is more crude, and unevenness, recess on the overcoat can take place the joint with unevenness's pore wall to make the overcoat be difficult to rotate in the hole.
Optionally, a gap is left between one end of the plurality of grooves close to the opening of the outer sleeve and the opening end face of the outer sleeve.
Through adopting above-mentioned technical scheme, after overcoat embedding road surface, can laminate with the surface of road, can avoid producing great gap and get into debris such as dust, and more pleasing to the eye.
Drawings
Fig. 1 is an exploded view of a durable geomagnetism detection apparatus according to embodiment 1;
fig. 2 is a schematic structural view of a cushion case and an outer case of the durable geomagnetism detection apparatus of embodiment 1;
fig. 3 is a schematic structural view of a limiting edge and a limiting groove of the durable geomagnetic detection equipment in embodiment 2;
fig. 4 is a sectional view of an outer case of the durable type geomagnetism detection apparatus in embodiment 2.
Description of reference numerals: 1. a control component; 2. a protective shell; 21. an inner housing; 22. an inner cover; 23. an outer housing; 24. an outer cover; 25. a limiting edge; 251. reinforcing wires; 3. a buffer sleeve; 31. a rib; 32. a flange; 33. a limiting groove; 331. flaring; 4. a jacket; 41. a groove; 42. a supporting strip; 5. and (4) exhausting holes.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Example 1
The embodiment of the application discloses durable type earth magnetism check out test set. Referring to fig. 1, the durable geomagnetic detection equipment comprises a protective housing 2, a control assembly 1 installed in the protective housing 2, a buffer sleeve 3 sleeved outside the protective housing 2, and an outer sleeve 4 sleeved outside the buffer sleeve 3.
Referring to fig. 1, the protective housing 2 includes an inner housing 21, an inner cover 22, an outer housing 23 and an outer cover 24, the outer housing 23 is arranged in a cylindrical structure, the inner housing 21 is arranged inside the outer housing 23, the same end of the inner housing 21 and the outer housing 23 is arranged with an opening, one end of the inner housing 21 far away from the inner cover 22 and the end face of the outer housing 23 are integrally formed, and the control assembly 1 is arranged inside the inner housing 21. The inner cover 22 covers the open end of the inner housing 21 and is fixedly connected in a sealing manner to form a closed inner cavity for protecting the control assembly 1. The outer lid 24 is provided to cover one open end of the outer case 23, and the end where the outer lid 24 is located faces downward when attached. The outer housing 23 and the inner housing 21 form a double protection for the control assembly 1.
Referring to fig. 1, the buffer sleeve 3 and the outer sleeve 4 are both in a cylindrical shape, one ends of the buffer sleeve 3 and the outer sleeve 4, which are far away from the outer cover 24, are both opened, the other ends are closed, and the end face of one end of the buffer sleeve 3, the end face of one end of the outer sleeve 4, which is opened, and the end face of the outer shell 23, which is far away from one end of the outer cover 24. Exhaust hole 5 has all been seted up to the closed one end of cushion collar 3 and overcoat 4, can discharge inside air during the installation for simple to operate. The air vents 5 on the buffer sleeve 3 and the outer sleeve 4 are arranged in a staggered way, so that moisture is not easy to permeate.
Referring to fig. 2, the buffer sleeve 3 is made of plastic material, has certain elasticity, and can buffer the pressure and impact force of the outer shell 23 to protect the protective shell 2. Be provided with many beads 31 on the surface of cushion collar 3, many beads 31 axial extension and spaced evenly distributed, and all with the internal surface butt of overcoat 4, can reduce the area of contact with shell body 23 to reduce the power that shell body 23 transmitted to protective housing 2, make protective housing 2 be difficult to warp and cause sealed inefficacy infiltration.
Referring to fig. 2, the edge of the open end of the buffer sleeve 3 is provided with a flange 32, the flange 32 is flush with the end face of the buffer sleeve 3, and the plurality of ribs 31 are all flush with the cylindrical surface on which the outer surface of the flange 32 is located, so that the flange 32 can be attached to the inner surface of the outer sleeve 4. Many fins 31's one end is connected to flange 32 edge, and the other end extends to the edge that 3 closed ends of cushion collar, and equal open end up when installation of cushion collar 3 and overcoat 4, and flange 32 can reduce the gap between both open end faces, is difficult to intake, and is more pleasing to the eye.
Referring to fig. 1 and 2, the outer surface of the outer shell 23 of the protective shell 2 is provided with a plurality of limiting edges 25, the plurality of limiting edges 25 are uniformly distributed in a forward extending manner and spaced, the plurality of limiting edges 25 are all arranged at one end away from the outer cover 24, and the protective shell 2 and the plurality of limiting edges 25 are integrally formed. The outer surface of the buffer sleeve 3 is provided with a plurality of limiting grooves 33 which are adaptive and clamped with the limiting grooves 33. Spacing arris 25 and spacing groove 33 joint can fix a position the mounted position of cushion collar 3, prevent that cushion collar 3 and protective housing 2 from rotating relatively. In other embodiments, the plurality of limiting ribs 25 may be disposed on the inner surface of the cushion sleeve 3, and the plurality of limiting grooves 33 may be disposed on the outer surface of the outer housing 23.
Referring to fig. 1, a plurality of axially extending grooves 41 are formed on the outer surface of the outer sleeve 4, and the plurality of grooves 41 are uniformly distributed at intervals. During the installation punch on the road surface earlier, then with earth magnetism check out test set in-embedding hole, because the inner wall in hole is than unevenness, recess 41 on overcoat 4 can take place the joint with unevenness's pore wall to make overcoat 4 be difficult to rotate in the hole. One end of the plurality of grooves 41 extends to the closed end of the outer sleeve 4, and a certain distance is reserved between the other end of the grooves and the opening end face of the outer sleeve 4, so that a gap between the installed end of the grooves and the surface of a road is small, dust and other impurities cannot easily enter the grooves, and the grooves are more attractive.
Referring to fig. 2, a plurality of support bars 42 are arranged at intervals on the inner surface of the closed end of the outer sleeve 4, the plurality of support bars 42 are parallel to the end surface of the outer sleeve 4, the support bars 42 are flush with one side of the opening of the outer sleeve 4, and the end surface of the buffer sleeve 3 abuts against the support bars 42. When the maintenance is dismantled, fall into sand easily in the overcoat 4, the space between many support bars 42 can hold sand to avoid influencing the installation of cushion collar 3.
The implementation principle of the durable geomagnetic detection equipment in the embodiment of the application is as follows: the buffer sleeve 3 and the outer sleeve 4 are sleeved outside the protective shell 2, so that the transverse impact force applied when an automobile is rolled can be buffered, and the protective shell 2 is prevented from deforming, damaging and sealing failure and water seepage; the limiting edges 25 of the protective shell 2, the convex edges 31 of the buffer sleeve 3 and the grooves 41 of the protective shell 2 have anti-rotation functions, the magnetic field direction of the control assembly 1 is ensured, and the detection accuracy is ensured, so that the overhauling frequency is reduced, and the protective shell is more durable.
Example 2
The difference between this embodiment and embodiment 1 is that, referring to fig. 3, a plurality of limiting edges 25 on the protective shell 2 and the limiting groove 33 on the cushion collar 3 form a dovetail connection structure, so that the connection is firmer, the radial width of the limiting edge 25 relative to the protective shell 2 is slightly larger than the depth of the limiting groove 33, so that the limiting edge 25 cannot be completely inserted into the limiting groove 33, and the connection between the limiting edge 25 and the outer surface of the protective shell 2 is in arc transition. The opening of the limiting groove 33 is provided with a flared opening 331, and a gap is reserved between the flared opening 331 and the limiting edge 25.
Referring to fig. 4, a reinforcing wire 251 is further embedded in the limiting rib 25, and the reinforcing wire 251 extends into the side wall of the protective shell 2, so that the structural strength is increased. The reinforcing wires 251 may be wires having a net structure with toughness.
When the buffer sleeve 3 is installed, one end of the opening faces upwards, so that the upper part bears larger pressure and impact force, radial deflection is easier to occur, and the part, which is not inserted into the limiting groove 33, of the limiting ridge 25 can be bent and deformed to a certain degree, so that the buffer sleeve 3 can be allowed to rotate relative to the protective shell 2 in a small amplitude, the direction deviation of the protective shell 2 is reduced, and the control assembly 1 can keep the magnetic field direction to realize accurate detection. The reinforcing wire 251 can prevent the stopper rib 25 from being broken, and does not prevent the stopper rib 25 from being bent.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a durable type earth magnetism check out test set, includes protective housing (2) and installs control assembly (1) in protective housing (2), its characterized in that: the protective shell is characterized by further comprising a buffer sleeve (3) arranged outside the protective shell (2) in a sleeved mode, an outer sleeve (4) arranged outside the buffer sleeve (3) in a sleeved mode, and a plurality of convex ribs (31) are arranged on the outer surface of the buffer sleeve (3).
2. The durable geomagnetic detection apparatus according to claim 1, wherein: the buffer sleeve (3) and the outer sleeve (4) are provided with cylindrical structures, and the convex ribs (31) axially extend along the buffer sleeve (3).
3. The durable geomagnetic detection apparatus according to claim 2, wherein: the buffer sleeve is characterized in that one end of the buffer sleeve (3) is provided with an opening, the other end of the buffer sleeve is provided with a closed end, a circle of flange (32) is arranged on the outer surface of the buffer sleeve (3), the flange (32) is flush with the end face of the open end of the buffer sleeve (3) and is matched and attached with the inner surface of the outer sleeve (4), and the plurality of convex ribs (31) are flush with the cylindrical surface where the outer surface of the flange (32) is located.
4. The durable geomagnetic detection apparatus according to claim 2, wherein: the internal surface of cushion collar (3) with the surface of protective housing (2) passes through spacing groove (33) and spacing arris (25) joint cooperation, spacing groove (33) extend the opening one end of cushion collar (3).
5. The durable geomagnetic detection apparatus according to claim 4, wherein: the limiting groove (33) is formed in the inner surface of the buffer sleeve (3) and is close to one end of the opening of the buffer sleeve (3), and the limiting edge (25) is arranged on the outer surface of the protective shell (2); the radial width of the limiting edge (25) relative to the protective shell (2) is slightly larger than the depth of the limiting groove (33).
6. The durable geomagnetic detection apparatus according to claim 4, wherein: spacing arris (25) with spacing groove (33) constitute the forked tail structure, the opening part of spacing groove (33) set up to flaring (331) and with leave movable space between spacing arris (25).
7. The durable geomagnetic detection apparatus according to claim 4, wherein: and reinforcing wires (251) extending along the length direction of the limiting edges (25) are arranged in the limiting edges (25).
8. The durable geomagnetic detection apparatus according to claim 1, wherein: buffer sleeve (3) with overcoat (4) are the structure that one end opening set up, the other end seals the setting, exhaust hole (5) have all been seted up to buffer sleeve (3) with the sealed one end of overcoat (4).
9. The durable geomagnetic detection apparatus according to claim 1, wherein: the inner surface of the closed end of the outer sleeve (4) is provided with a plurality of supporting bars (42) arranged at intervals.
10. The durable geomagnetic detection apparatus according to claim 1, wherein: the outer sleeve (4) is of a cylindrical structure, grooves (41) extending axially are formed in the outer surface of the outer sleeve, and a gap is reserved between one end, close to the opening of the outer sleeve (4), of each groove (41) and the end face of the opening of the outer sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110076252.2A CN112907983A (en) | 2021-01-20 | 2021-01-20 | Durable type earth magnetism check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110076252.2A CN112907983A (en) | 2021-01-20 | 2021-01-20 | Durable type earth magnetism check out test set |
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| Publication Number | Publication Date |
|---|---|
| CN112907983A true CN112907983A (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110076252.2A Pending CN112907983A (en) | 2021-01-20 | 2021-01-20 | Durable type earth magnetism check out test set |
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| CN (1) | CN112907983A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424454A (en) * | 2022-08-25 | 2022-12-02 | 福建省城市大脑建设有限公司 | Geomagnetic field for detecting vehicle parking |
| CN115798223A (en) * | 2022-10-12 | 2023-03-14 | 杭州立方控股股份有限公司 | Multi-technology geomagnetic detector |
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| CN102855763A (en) * | 2012-09-06 | 2013-01-02 | 北京交通发展研究中心 | Wireless geomagnetic vehicle detector and shell thereof |
| CN204097909U (en) * | 2014-09-17 | 2015-01-14 | 新疆华赛信息技术有限公司 | A kind of wireless geomagnetism wagon detector shell |
| CN204652830U (en) * | 2015-03-31 | 2015-09-16 | 天津市五维智通科技有限公司 | A kind of waterproof construction of wireless geomagnetism wagon detector housing |
| CN206348939U (en) * | 2016-10-21 | 2017-07-21 | 厦门狄耐克智能交通科技有限公司 | A kind of parking stall ground magnetic detector |
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| CN209281622U (en) * | 2019-01-28 | 2019-08-20 | 青岛创宇机电设备有限公司 | Parking space magnetic detector water-proof rubber sleeve |
| CN209280939U (en) * | 2019-01-22 | 2019-08-20 | 青岛创宇机电设备有限公司 | A kind of geomagnetism detecting device mounting structure |
| CN209281625U (en) * | 2018-12-25 | 2019-08-20 | 逸兴泰辰（天津）科技有限公司 | A kind of city expressway flow geomagnetism detecting device |
| CN210395162U (en) * | 2019-04-16 | 2020-04-24 | 杭州立方控股股份有限公司 | Vehicle geomagnetic detection device |
| CN210488793U (en) * | 2019-11-01 | 2020-05-08 | 无锡华赛伟业传感信息科技有限公司 | But quick assembly disassembly's wireless earth magnetism vehicle detector |
| CN210840319U (en) * | 2019-09-09 | 2020-06-23 | 广州巨时信息科技股份有限公司 | Housing of geomagnetic vehicle detector, geomagnetic vehicle detector and parking lot system |
| CN212160940U (en) * | 2020-10-22 | 2020-12-15 | 微传智能科技（常州）有限公司 | Anti-extrusion device of geomagnetic detector |
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2021
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| CN102855763A (en) * | 2012-09-06 | 2013-01-02 | 北京交通发展研究中心 | Wireless geomagnetic vehicle detector and shell thereof |
| CN204097909U (en) * | 2014-09-17 | 2015-01-14 | 新疆华赛信息技术有限公司 | A kind of wireless geomagnetism wagon detector shell |
| CN204652830U (en) * | 2015-03-31 | 2015-09-16 | 天津市五维智通科技有限公司 | A kind of waterproof construction of wireless geomagnetism wagon detector housing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424454A (en) * | 2022-08-25 | 2022-12-02 | 福建省城市大脑建设有限公司 | Geomagnetic field for detecting vehicle parking |
| CN115424454B (en) * | 2022-08-25 | 2024-01-26 | 福建省城市大脑建设有限公司 | Geomagnetism for detecting parking of vehicle |
| CN115798223A (en) * | 2022-10-12 | 2023-03-14 | 杭州立方控股股份有限公司 | Multi-technology geomagnetic detector |
| CN115798223B (en) * | 2022-10-12 | 2023-09-01 | 杭州立方控股股份有限公司 | Multi-technology geomagnetic detector |
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Application publication date: 20210604 |
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