[go: up one dir, main page]

CN108978720A - Intelligent well cover and weighing system - Google Patents

Intelligent well cover and weighing system Download PDF

Info

Publication number
CN108978720A
CN108978720A CN201710399470.3A CN201710399470A CN108978720A CN 108978720 A CN108978720 A CN 108978720A CN 201710399470 A CN201710399470 A CN 201710399470A CN 108978720 A CN108978720 A CN 108978720A
Authority
CN
China
Prior art keywords
intelligent well
support plate
cover body
manhole cover
well cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710399470.3A
Other languages
Chinese (zh)
Inventor
郭晓明
王元孝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yuanzheng Data Technology Co Ltd
Original Assignee
Beijing Yuanzheng Data Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Yuanzheng Data Technology Co Ltd filed Critical Beijing Yuanzheng Data Technology Co Ltd
Priority to CN201710399470.3A priority Critical patent/CN108978720A/en
Publication of CN108978720A publication Critical patent/CN108978720A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G19/00Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The invention discloses a kind of intelligent well cover and weighing systems, are related to well lid technical field, and main purpose is the weight for detection object.A kind of main technical schemes of the invention are as follows: intelligent well cover, it include: manhole cover body, bearing sensor and transmitter are equipped in the manhole cover body, when exterior object is placed on the upper surface of the manhole cover body, the pressure information is transferred to exterior terminal equipment by the transmitter for detecting the exterior object to the pressure information of the manhole cover body by the bearing sensor.Present invention is mainly used for block well head.

Description

Intelligent well cover and weighing system
Technical field
The present invention relates to well lid technical field more particularly to a kind of intelligent well covers and weighing system.
Background technique
In some factories, the equipment in factory is all that price is calculated according to weight, usually the doorway of factory all Equipped with pit scale, automobile needs to weigh weight on pit scale before entering on-site, built-in then into plant area Loading object needs again to weight is weighed on pit scale, the difference of the weight of front and back is exactly the weight of cargo in plant area out.
Pit scale generally comprises weighing platform, and weighing platform apart from ground has certain height, is weighing the two of platform End is respectively provided with slope, weighs platform for enabling automobile to be moved to, still, pit scale structure in the prior art compares Complexity, space occupied is big, and pit scale is generally all placed at factory doorway, interferes the disengaging of other vehicles, uses It is inconvenient to compare.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of intelligent well cover and weighing system, main purpose is for detectable substance The weight of body.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the invention provides a kind of intelligent well covers, comprising:
Manhole cover body, the manhole cover body is interior to be equipped with bearing sensor and transmitter, when exterior object is placed on the well When the upper surface of lid ontology, the bearing sensor for detecting the exterior object to the pressure information of the manhole cover body, And the pressure information is transferred to exterior terminal equipment by the transmitter.
Further, the bearing sensor includes probe and converter, and the probe is arranged in manhole cover body, is used for Exterior object is detected to the pressure information of the manhole cover body, and passes to the converter by way of analog signal, institute Converter is stated for being converted into the analog signal to pass to exterior terminal equipment by the transmitter after digital signal.
Further, the manhole cover body includes the first support plate and the second support plate being stacked, and described first There is the upper surface on fagging, be clamped with the probe between first support plate and second support plate.
Further, it is described probe be at least four, it is multiple it is described probe be evenly distributed in first support plate and On the fringe region of second support plate.
Further, also there is display area, the display area is for showing institute on the upper surface of the manhole cover body State bearing sensor pressure information detected.
Further, first support plate and second support plate are that glass material is made.
Further, there is solar panel, the solar panel is used for will too on the upper surface of the manhole cover body Sun can be converted to electric energy as intelligent well cover power supply.
Further, the intelligent well cover, further includes:
Processing module, one end of the processing module are connected to the bearing sensor, and the other end connects the transmitter And/or the display equipment of the display area, when object the manhole cover body upper surface stop preset time after, the processing The pressure information is passed to the display equipment of the transmitter and/or the display area by module.
Further, the intelligent well cover, further includes:
Voice module, the voice module are connected to the bearing sensor, and the voice module is for receiving and identifying Acoustic information, when having voice control command in the acoustic information, the processor then controls the infrared probe to institute It states bearing sensor and carries out weight measurement.
On the other hand, the embodiment of the present invention also provides a kind of weighing system, comprising:
Intelligent well cover described at least four, multiple intelligent well covers are respectively placed in the corresponding position of automotive wheel.
The embodiment of the invention provides a kind of intelligent well covers, can be with detection object in addition to can be used for blocking outer wellhead Weight, and in the prior art, the doorway of factory is generally provided with pit scale, can detecte the weight of automobile by pit scale, And then the weight of lorry loading cargo is weighed, still, the volume of oil droplet pit scale is bigger, and structure is more complicated, harm Hinder the operation of doorway vehicles passing in and out, compared with prior art, the present disclosure provides intelligent well cover in set in manhole cover body There are bearing sensor and transmitter, intelligent well cover can be set to be gone out on the doorway of factory, and vehicle is in entry and exit factory, can be by vehicle It is stuck on corresponding intelligent well cover, is believed by the pressure that the bearing sensor being merely able on well lid can measure vehicle respectively Breath, and pressure information is transferred in terminal device by transmitter, lorry loading goods can be calculated by terminal device The weight of object, and intelligent well cover structure is simple, can be set in the ground on doorway, is not take up spatial surface, and then does not influence The disengaging of vehicle.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent well cover provided in an embodiment of the present invention;
Fig. 2 is the side view for the intelligent well cover that an embodiment of the present invention provides;
Fig. 3 is the structural schematic diagram for the intelligent well cover that another embodiment of the present invention provides.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with Attached drawing and preferred embodiment, to intelligent well cover proposed according to the present invention its specific embodiment, structure, feature and its effect, Detailed description is as follows.
As shown in Figure 1, the embodiment of the invention provides a kind of intelligent well covers, comprising:
Manhole cover body 1, manhole cover body 1 is interior to be equipped with bearing sensor 2 and transmitter (not shown), when exterior object is put It sets at the upper surface of manhole cover body 1, bearing sensor 2 is used to detect exterior object to the pressure information of manhole cover body 1, and will Pressure information is transferred to exterior terminal equipment by transmitter.
Wherein, bearing sensor 2 is generally resistance-strain type of dynamometer sensor, and principle is after 2 stress of bearing sensor Deformation occurs for the elastomer that will lead in bearing sensor 2, and the resistance value of the strain gauge inner wire on elastomer occurs Linear transformation, and then realize that the transformation of electric signal, the pressure value of object can be derived by the variation of resistance value for physical quantity.On Stating bearing sensor 2 can be set in manhole cover body 1, and when exterior object is placed on the upper surface of well lid, exterior object exists Pressure can be generated under the action of gravity to manhole cover body 1, which passes to bearing sensor 2 by manhole cover body 1, pass through Bearing sensor 2 can detecte out the pressure information of object, and pressure information is converted into quality information, be transmitted by transmitter Exterior terminal equipment is given, such as: when citizen stand on well lid, the load measuring sensor on well lid is capable of detecting when civic weight Information is measured, and the gravitation information is sent in civic mobile phone or computer by transmitter, looks into citizen at any time The weight information of oneself is ask, another example is: well lid can lead to the pressure information of automobile when the wheel of automobile is stuck on well lid It crosses transmitter and is sent to computer, weight difference when automobile enters and gos out can be counted by computer, with goods in accounting automobile The loading capacity of object.
The embodiment of the invention provides a kind of intelligent well covers, can be with detection object in addition to can be used for blocking outer wellhead Weight, and in the prior art, the doorway of factory is generally provided with pit scale, can detecte the weight of automobile by pit scale, And then the weight of lorry loading cargo is weighed, still, the volume of oil droplet pit scale is bigger, and structure is more complicated, harm Hinder the operation of doorway vehicles passing in and out, compared with prior art, the present disclosure provides intelligent well cover in set in manhole cover body There are bearing sensor and transmitter, intelligent well cover can be set to be gone out on the doorway of factory, and vehicle is in entry and exit factory, can be by vehicle It is stuck on corresponding intelligent well cover, is believed by the pressure that the bearing sensor being merely able on well lid can measure vehicle respectively Breath, and pressure information is transferred in terminal device by transmitter, lorry loading goods can be calculated by terminal device The weight of object, and intelligent well cover structure is simple, can be set in the ground on doorway, is not take up spatial surface, and then does not influence The disengaging of vehicle.
Above-mentioned bearing sensor 2 can have a variety of patterns, and optionally, bearing sensor 2 includes probe and converter, visit Head is arranged in manhole cover body 1, for detecting exterior object to the pressure information of manhole cover body 1, and the shape for passing through analog signal Formula passes to converter, and converter passes to exterior terminal by transmitter after digital signal and set for converting analog signals into It is standby.In the present embodiment, the pressure signal popped one's head in for detecting well lid upper surface, but the pressure signal is analog signal, it is not square Just the transmission of data, it is possible to after first converting analog signals into digital signal by converter, then pass to transmitter, lead to It crosses transmitter and the pressure information in the pressure signal is passed into terminal device, such terminal device can get pressure letter The specific pressure value of breath, it is very convenient quick.
Above-mentioned manhole cover body 1 can be there are many pattern, as shown in Fig. 2, optionally, manhole cover body 1 includes being stacked First support plate 11 and the second support plate 12 have upper surface, the first support plate 11 and the second support plate in first support plate 11 Probe is clamped between 12.In the present embodiment, due to being equipped with above-mentioned probe, institute between the first support plate 11 and the second support plate 12 With when object is placed in the upper surface of the first support plate 11, the gravity of object can be transmitted to probe by the first support plate 11 On, probe can detect that the weight of object can more sensitively detect object by above-mentioned frame mode in this way Quality, improve the accuracy rate of measurement.
In order to further increase the accuracy of detection, optionally, probe is at least four, and multiple probes are evenly distributed in On the fringe region of first support plate 11 and the second support plate 12.In the present embodiment, above-mentioned first support plate 11 and the second support The shape of plate 12 is identical, such as: the first support plate 11 and the second support arm can be to be round or square, when the first support plate 11 When stress is squeezed to 11 stress of the first support plate, the fringe region of the first support plate 11 and the second support plate 12 stress at first, institute It, can more accurate detection object probe can be set in the fringe region of the first support plate 11 and the second support plate 12 The weight of body, when the first support plate 11 and the second support plate 12 are round, four probes rectangular can be respectively arranged at Circular four edges, when the first support plate 11 and the second support plate 12 are square, four probes can be respectively set In four edges of square.
As shown in figure 3, it is further, also there is display area 3, display area 3 is for showing on the upper surface of manhole cover body 1 Show the bearing sensor 2 pressure information detected.In the present embodiment, above-mentioned intelligent well cover removes the door that can be set in factory Mouth is weighed as pit scale outside the weight of automobile, can also be arranged in park plaza, and citizen of the activity on park plaza are made It can similarly weigh in activity to above-mentioned intelligent well cover, improve the activity enjoyment of park plaza, when citizen stand When on intelligent well cover, intelligent well cover can show the civic weight information on the upper surface of which, and citizen pass through display area 3 It can be clearly seen that the weight of oneself, it is very convenient, in addition, above-mentioned display area 3 is in addition to that can show load-bearing information Outside, some other image informations can also be shown, such as: the weather condition on the same day, promotional videos, exploitation, image letter Breath etc., can carry out publicity communication with citizen movable on square by above-mentioned intelligent well cover, can also improve illumination, be Square life, which provides, enriches more entertainment effects.
Above-mentioned display area 3 can show image information, the display mode of the display area 3 can there are many, optionally, It is equipped with display screen in display area 3, display area 3 carries out display image by display screen, and above-mentioned display area 3 is in addition to can It outside by showing that screen is shown, can also be shown by other means, optionally, manhole cover body 1, which is equipped with, throws Shadow component, projection part is for projecting image in display area 3, and in the present embodiment, manhole cover body 1 is equipped with Projection Division Part, the projection part, for showing image or image, are publicized, the Projection Division for being projected in the display area 3 of well lid Part in addition to can also be projected on the wall of surrounding by image projecting in the display area of manhole cover body 13, play compared with Good display effect.
Above-mentioned first support plate 11 and the second support plate 12 can be made of various material, such as: metal material, it is optional Ground, the first support plate 11 and the second support plate 12 are that glass material is made.In the present embodiment, the first support plate 11 and second The glass material of fagging 12 can be transparent material, and display screen above-mentioned in this way can be set in the first support plate 11 and second The bottom of support plate 12, and through the first support plate 11 and 12 pairs of outsides of the second support plate are visible shows, in this way by the One support plate 11 and the second support plate 12, which both can protect, shows that screen is against damages, can not also influence the display for showing screen Effect improves civic using effect.
There are multiple electronic components in above-mentioned intelligent well cover, electric energy when in order to guarantee that electronic component uses, optionally, There is solar panel, solar panel is intelligent well cover for converting the solar into electric energy on the upper surface of manhole cover body 1 Power supply.In the present embodiment, battery can have in solar panel, the sun can be absorbed when daytime in solar panel Can, and convert solar energy into electric energy and be stored in battery, it at night can be the electronics in intelligent well cover by battery Element is powered, in addition, the solar panel carries out in use, solar panel is in low temperature in order to prevent in winter in the north Under can not normal use, which can be made of low-temperature resistance material, and make solar panel and manhole cover body 1 Between be detachably connected, facilitate and dismantled.
In order to avoid some citizen or vehicle pass by well lid, when trampling or rolling well lid, intelligent well cover carries out it non- Necessary weight measurement, optionally, processing module, one end of processing module are connected to bearing sensor 2, other end connection transmitting The display equipment of device and/or display area, when object is after 1 upper surface of manhole cover body stops preset time, processing module will be pressed Force information passes to the display equipment of transmitter and/or display area.In the present embodiment, when citizen pass by well lid, trample It the upper surface of well lid can be by citizen on well lid by above-mentioned intelligent well cover when not needing to measure weight Residence time judges whether citizen need to measure weight, such as: after citizen stop preset time on well lid, such as: 10 Second, 15 seconds etc., well lid may determine that the citizen need to measure weight, thus weight measurement can be carried out to it, if it stops Stay the time less than preset time, which then may determine that the citizen only pass by, and non-required measurement weight, would not carry out The measurement of weight.
Other than it can be judged by the above-mentioned residence time, it can also judge by other means, optionally, on The intelligent well cover stated further include: voice module, voice module are connected to bearing sensor 2, and voice module is for receiving and identifying Acoustic information, when having voice control command in acoustic information, processor then controls infrared probe and carries out to bearing sensor 2 Weight measurement.In the present embodiment, since the citizen on square are more, and civic specifically needs difference, in order to accurate Obtain civic need, citizen can by voice control, such as: voice module can obtain the acoustic information of surrounding in real time, When citizen say " measured body weight ", after voice module tells the voice messaging of " height measurement ", voice module can be controlled Bearing sensor 2 carries out measured body weight, and its weight information is sent in the mobile terminal of civic, or be shown in table on well lid In the display area 3 in face.
On the other hand, the embodiment of the invention also provides a kind of weighing systems, comprising: smart well described at least four Lid, multiple intelligent well covers are respectively placed in the corresponding position of automotive wheel.
The embodiment of the invention provides a kind of intelligent well covers, can be with detection object in addition to can be used for blocking outer wellhead Weight, and in the prior art, the doorway of factory is generally provided with pit scale, can detecte the weight of automobile by pit scale, And then the weight of lorry loading cargo is weighed, still, the volume of oil droplet pit scale is bigger, and structure is more complicated, harm Hinder the operation of doorway vehicles passing in and out, compared with prior art, the present disclosure provides intelligent well cover in set in manhole cover body There are bearing sensor and transmitter, intelligent well cover can be set to be gone out on the doorway of factory, and vehicle is in entry and exit factory, can be by vehicle It is stuck on corresponding intelligent well cover, is believed by the pressure that the bearing sensor being merely able on well lid can measure vehicle respectively Breath, and pressure information is transferred in terminal device by transmitter, lorry loading goods can be calculated by terminal device The weight of object, and intelligent well cover structure is simple, can be set in the ground on doorway, is not take up spatial surface, and then does not influence The disengaging of vehicle.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of intelligent well cover characterized by comprising
Manhole cover body, the manhole cover body is interior to be equipped with bearing sensor and transmitter, when exterior object is placed on the well lid sheet When the upper surface of body, the bearing sensor is used to detect the exterior object to the pressure information of the manhole cover body, and will The pressure information is transferred to exterior terminal equipment by the transmitter.
2. intelligent well cover according to claim 1, which is characterized in that
The bearing sensor includes probe and converter, and the probe is arranged in the manhole cover body, for detecting outside Object passes to the converter to the pressure information of the manhole cover body by way of analog signal, the converter For the analog signal to be converted into pass to exterior terminal equipment by the transmitter after digital signal.
3. intelligent well cover according to claim 2, which is characterized in that
The manhole cover body includes the first support plate and the second support plate being stacked, and is had in first support plate described Upper surface is clamped with the probe between first support plate and second support plate.
4. intelligent well cover according to claim 3, which is characterized in that
The probe is at least four, and multiple probes are evenly distributed in first support plate and second support plate Fringe region on.
5. intelligent well cover according to claim 4, which is characterized in that
Also there is display area, the display area is for showing the bearing sensor institute on the upper surface of the manhole cover body The pressure information of detection.
6. intelligent well cover according to claim 5, which is characterized in that
First support plate and second support plate are that glass material is made.
7. intelligent well cover according to claim 6, which is characterized in that
There is solar panel, the solar panel is for converting the solar into electric energy on the upper surface of the manhole cover body For intelligent well cover power supply.
8. intelligent well cover according to claim 5, which is characterized in that further include:
Processing module, one end of the processing module are connected to the bearing sensor, the other end connect the transmitter and/or The display equipment of the display area, when object the manhole cover body upper surface stop preset time after, the processing module The pressure information is passed to the display equipment of the transmitter and/or the display area.
9. intelligent well cover according to claim 5, which is characterized in that further include:
Voice module, the voice module are connected to the bearing sensor, and the voice module is for receiving and identifying sound Information, when having voice control command in the acoustic information, the processor then controls the infrared probe and holds to described It retransmits sensor and carries out weight measurement.
10. a kind of weighing system characterized by comprising
At least four intelligent well covers as claimed in any one of claims 1-9 wherein, multiple intelligent well covers are respectively placed in automobile The corresponding position of wheel.
CN201710399470.3A 2017-05-31 2017-05-31 Intelligent well cover and weighing system Pending CN108978720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710399470.3A CN108978720A (en) 2017-05-31 2017-05-31 Intelligent well cover and weighing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710399470.3A CN108978720A (en) 2017-05-31 2017-05-31 Intelligent well cover and weighing system

Publications (1)

Publication Number Publication Date
CN108978720A true CN108978720A (en) 2018-12-11

Family

ID=64502164

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710399470.3A Pending CN108978720A (en) 2017-05-31 2017-05-31 Intelligent well cover and weighing system

Country Status (1)

Country Link
CN (1) CN108978720A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003302297A (en) * 2002-04-09 2003-10-24 Yodo Casting:Kk Method for measuring pressure in manhole, pressure measuring device, and manhole cover provided with this pressure measuring device
EP2660393A2 (en) * 2012-05-04 2013-11-06 Heinrich Meier Eisengiesserei GmbH & Co. KG Shaft assembly and method for producing a shaft assembly
CN204435422U (en) * 2015-01-14 2015-07-01 山东科技大学 Numeral well lid
CN105089136A (en) * 2015-07-29 2015-11-25 深圳市华瀚科技控股有限公司 Anti-falling plastic inspection well
CN105625475A (en) * 2016-01-04 2016-06-01 北京元正数据科技有限公司 Intelligent manhole cover

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003302297A (en) * 2002-04-09 2003-10-24 Yodo Casting:Kk Method for measuring pressure in manhole, pressure measuring device, and manhole cover provided with this pressure measuring device
EP2660393A2 (en) * 2012-05-04 2013-11-06 Heinrich Meier Eisengiesserei GmbH & Co. KG Shaft assembly and method for producing a shaft assembly
CN204435422U (en) * 2015-01-14 2015-07-01 山东科技大学 Numeral well lid
CN105089136A (en) * 2015-07-29 2015-11-25 深圳市华瀚科技控股有限公司 Anti-falling plastic inspection well
CN105625475A (en) * 2016-01-04 2016-06-01 北京元正数据科技有限公司 Intelligent manhole cover

Similar Documents

Publication Publication Date Title
US11287306B2 (en) Luggage and integrated weighing system for weighing luggage on hard or soft surfaces in real time
US10006895B2 (en) System and method for monitoring atmospheric pollution
US20050253710A1 (en) MEMS based garage door sensor
US20110273323A1 (en) Electrically self-contained radar device
CN202782852U (en) Vehicle load self measuring device and car
CN106644326A (en) Bridge load limit fast monitoring system based on dynamic deflection
CN102494750A (en) Detecting system and detecting method for unbalanced loading of transportation vehicles
KR102464536B1 (en) Live line approach warning system for Magnetic and Electric field Sensor
CN108978720A (en) Intelligent well cover and weighing system
US20060086541A1 (en) Baggage weight monitoring and theft protection
CN103900670A (en) Vehicle balance and measurement method thereof
CN107144332A (en) A kind of True k Scale Weighing System and method based on instrument long-distance automatic clear
CN210836378U (en) Express delivery warehouse
CN102393540A (en) Magnetic suspension rainfall intensity recorder
CN202631067U (en) Anti-cheating electronic scale system
CN211527580U (en) Protection device for weighbridge
CN204649977U (en) Seismic intensity self-operated measuring unit
CN114511989A (en) An intelligent alarm device for preventing children from leaving behind in a car
CN203798450U (en) System for testing vehicle-mounted light sensor
CN207741842U (en) A kind of road administration inspection display system
CN107764322A (en) A kind of new automobile sensor
CN206469834U (en) Portable laser spot detection instrument and its measuring system
CN211618817U (en) Receive material field device and receive material system
JP2013079882A (en) Detection system and detection device
GB2506577A (en) A fuel tank anti-theft device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181211