CN207081671U - A kind of nondestructive detection system based on GPS location - Google Patents
A kind of nondestructive detection system based on GPS location Download PDFInfo
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- CN207081671U CN207081671U CN201720967188.6U CN201720967188U CN207081671U CN 207081671 U CN207081671 U CN 207081671U CN 201720967188 U CN201720967188 U CN 201720967188U CN 207081671 U CN207081671 U CN 207081671U
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Abstract
The utility model discloses a kind of nondestructive detection system based on GPS location, including：Server；The cannot-harm-detection device, it includes X-ray production apparatus, console, cable and positioning component；Positioning component includes d GPS locating module, console include casing, lid, be built in casing and the controller of the location information for obtaining d GPS locating module and one be connected with server radio communication and be used to send location information to the control flat board of server.The utility model sets a positioning component on the console of the cannot-harm-detection device, it obtains the test position of console by d GPS locating module, and it is sent to server by the control flat board being connected with server radio communication, monitoring personnel carries out contrast judgement according to above-mentioned test position and point to be detected, the probability for which obviate Site Detection personnel wheel and deal, practising fraud, the uniformity of commission detection weld bond and actually detected weld bond is ensure that, improves the probability of effective detection.
Description
Technical field
Non-destructive testing technology is the utility model is related to, more particularly, to a kind of nondestructive detection system based on GPS location.
Background technology
In field of non destructive testing, Site Detection personnel need to enter test position to the lossless inspection in multiple test points progress scene
Survey.In practical application, part field testing staff wheel and deal, practises fraud for save trouble and labor, it does not enter existing
Field test position, and the exposure image for passing through other substitutes substitutes the exposure image of test point, or a detection is clicked through
For row multiexposure, multiple exposure to substitute multiple test points, it is inconsistent that it causes the commission detection weld bond of client to occur with actually detected weld bond
Property, which form invalid detection, has had a strong impact on the safe handling of customer consignment detection device.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, a kind of Non-Destructive Testing system based on GPS location of proposition
System, solve part field testing staff wheel and deal in the prior art, practise fraud and cause commission detection weld bond to be examined with actual
Survey the inconsistent technical problem of weld bond.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of Non-Destructive Testing based on GPS location
System, including：
Server；
The cannot-harm-detection device, it includes X-ray production apparatus, console, connection X-ray production apparatus and the cable of console and one fixed
In the positioning component of the console；The positioning component includes a d GPS locating module for being used to position console, institute
State console include a casing, one be articulated with the casing openend lid, one be built in the casing and for obtaining
Take the controller of the location information of d GPS locating module and one be connected with the server radio communication and be used for by it is described positioning believe
Breath is sent to the control flat board of server.
Compared with prior art, the utility model sets a positioning component on the console of the cannot-harm-detection device, and it is logical
The test position that d GPS locating module obtains console is crossed, and it is sent out by the control flat board being connected with server radio communication
Server is delivered to, monitoring personnel carries out contrast judgement according to above-mentioned test position and point to be detected, which obviates Site Detection people
Member's wheel and deal, the probability practised fraud, the uniformity of commission detection weld bond and actually detected weld bond is ensure that, is improved effectively
The probability of detection.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of the cannot-harm-detection device of the present utility model；
Fig. 2 is attachment structure schematic diagram of the X-ray production apparatus of the present utility model under distance measuring states；
Fig. 3 is attachment structure schematic diagram of the X-ray production apparatus of the present utility model under detection state；
Fig. 4 is Fig. 3 of the present utility model A portions enlarged drawing；
Fig. 5 is the connection block diagram of nondestructive detection system of the present utility model；
Fig. 6 is the circuit theory diagrams of tube voltage measuring unit of the present utility model；
Fig. 7 is the circuit theory diagrams of tube current detection unit of the present utility model；
Fig. 8 is the connection block diagram of server of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Fig. 1~7, the utility model provides a kind of nondestructive detection system, and it includes server 100 and lossless inspection
Device 200 is surveyed, the cannot-harm-detection device 200 includes X-ray production apparatus 21, laser range finder 22, console 23, cable 24 and positioning
Component 25.
As shown in Figures 1 to 3, X-ray production apparatus 21 includes X-ray production apparatus body 211 and located at the side of X-ray production apparatus body 211
Ray window 212, the X-ray emitter 211a of X-ray production apparatus body 211 can send through ray window 212 and extending to and treat
Survey the X ray of the test point of thing.
As shown in figs. 2 to 4, laser range finder 22 includes housing 221, laser probe 222, laser ranging module 223, display
Screen 224, expansion link 225 and motor 226, housing 221 can be fixedly arranged on X-ray production apparatus body 211 and be connected to ray window
212 sides, laser ranging module 223 and motor 226 are built in housing 221, the one end of expansion link 225 and motor
226 connections, the other end are connected with being built in the laser probe 222 of ray window 212, laser probe 222 and laser ranging module
223 electrical connections, display screen 224 are embedded in the side wall of housing 221 and electrically connected with laser ranging module 223；Laser probe 222 can
It is made up of generating laser and laser pickoff.As shown in Fig. 2 when carrying out ranging, motor 226 drives expansion link 225
Elongation makes laser probe 222 move at the axle center of ray window 212, to ensure that laser beam that generating laser sends can be with
The axis of X ray central ray beam is consistent caused by X-ray emitter 211a, so as to ensure the precision of measurement；Laser is sent out
The laser beam that emitter is sent is received by laser pickoff after the surface reflection of determinand, and the then root of laser ranging module 223
The distance between laser probe 222 and determinand surface are calculated according to the photosignal of generating laser and laser pickoff, and will
The distance is shown on display screen 224, because laser ranging module 223 is according to the optical telecommunications of generating laser and laser pickoff
It is this area routine techniques number to carry out distance exam, and the conventional func of laser range finder 22, therefore the present embodiment is not detailed to its
Describe in detail bright；If the distance between the laser probe 222 measured and determinand surface are f, when laser probe 222 is located at ray window
Itself and X ray generators 211a distance are f when 2120, the distance between determinand surface and film are b, then Jiao to be measured
Away from F=f+ f0+ b, f during due to practical application0It is a fixed range with b, as long as therefore measurement laser probe 222 and determinand table
The distance between face is that f can obtain the focal length of exposure, moreover, may also set up with computing module, the computing module can be adopted
With a computing circuit, it can form film according to the distance between the laser probe 222 and determinand surface measured signal operation
The focal length signal of exposure；As shown in figure 3, after the distance between laser probe 222 and determinand surface are measured, it passes through
Motor 226 drives expansion link 225 to shrink so that laser probe 222 is moved to close to the inwall of ray window 212, and it can keep away
Exempt from laser probe 222 to stop X ray and avoid producing latent image on film, which ensure that film imaging quality will not reduce.
For the ease of laser ranging, the laser beam that the present embodiment generating laser is sent is visible ray, while in housing 221
On be embedded a camera 229, the camera 229 can be arranged as required in the upside of display screen 224, left side, right side or downside,
It is preferred in order to shoot the detection faces of determinand.When carrying out laser ranging, camera 229 can shoot determinand detection faces and
Laser irradiating position, because X ray and laser beam are coaxially disposed, then irradiation position is Non-Destructive Testing position during laser ranging,
Therefore camera 229 can shooting image to retain determinand surface appearance and Non-Destructive Testing position.It is additionally, since laser beam use
Visible ray, its hot spot sent can be used for X ray during the detection of X-ray production apparatus 21 to be aligned with corresponding to test point on determinand, and it is beneficial to
Quickly, Non-Destructive Testing position is accurately obtained, and the acquisition precision of Non-Destructive Testing position can be ensured.
During specific setting, laser range finder 22 may be disposed at the upside of ray window 212, and expansion link 225 is in vertical state,
It can drive laser probe 222 to make to move up and down vertically.
As shown in Figure 3, Figure 4, in order to ensure the flexible precision of expansion link 225, the present embodiment expansion link 225 includes one and connected
Extension bar 225a, the nut 225b coordinated with the connecting rod 225a screw threads and the drive rod 225c being connected with the nut 225b,
The motor 226 is connected with the connecting rod 225a, and the laser probe 222 is located at the drive rod 225c away from nut
225b one end, when the drive connection bar 225a of motor 226 is rotated forward, nut 225b moves downward along connecting rod 225a
And then drive drive rod 225c to move downward, and when the drive connection bar 225a of motor 226 is rotated backward, nut 225b edges
Connecting rod 225a is moved and then is driven drive rod 225c to move upwards upwards, and it passes through connecting rod 225a and nut 225b screw thread
Coordinate, it can be by controlling the number of turns that connecting rod 225a is rotated to control the distance of nut 225b up and down motions, and it is advantageous to improve
Control accuracy.Moreover, gear can be used to drive between motor 226 and connecting rod 225a, i.e., connecting rod 225a upper ends are set
There is a driven gear 227, and the output end of motor 226 sets the driving gear 228 being meshed with driven gear 227, its
The accuracy of driving can be ensured by gear driving；Motor 226 can use a stepper motor, can be by console 23
The generation of controller 233 sets pulse to control the number of turns that stepper motor rotates, and then the number of turns that drive connection bar 225a is rotated,
Ensure that drive rod 225c drives the accuracy of the distance of the up and down motion of laser probe 222, and then ensure that laser probe 222 can be accurate
Really move to the shaft core position of ray window 212 so that the laser beam that generating laser is sent can be with X-ray emitter
X ray is overlapping caused by 211a, ensures the accuracy of measurement.
As shown in figure 1, the cable 24 of the present embodiment is used to connect X-ray production apparatus 21 and console 23, in order to pass through control
Platform 23 processed operates X-ray production apparatus 21 to carry out Non-Destructive Testing, and it is conventional connected mode.
The lid 232, one that console 23 includes the openend that a casing 231, one is articulated with the casing 231 is built in institute
The controller 233, one for stating casing 231 communicates to connect with the controller 233 and is capable of the control flat board 234 of fingerprint recognition, institute
Control flat board 234 is stated to be connected with the radio communication of server 100.The X of X-ray production apparatus 21 can be typically controlled by controller 233
Ray generator 211a unlatching and operation, but in practical application, part field testing staff is introduced into test point, its is straight
Connected other staff or trainee and carry out Non-Destructive Testing, it is unfavorable for the quality for ensureing Non-Destructive Testing, therefore the present embodiment institute
Console 23 is stated to communicate to connect with the controller 233 with one and be capable of the control flat board 234 of fingerprint recognition, the control flat board
234 can be used for operational control device 233 to control X-ray production apparatus 21, the control flat board 234 can as the guidance panel of controller 233,
It is essentially identical with the effect of the touch screen operation panel of routine, while it also can be using the A's of Publication No. CN 106361362
Terminal is controlled in order to carry out the control mode of remote control as one in utility model patent.Wherein, the control of the present embodiment
Flat board 234 processed has fingerprint identification function, and it can shift to an earlier date the fingerprint of the multiple Site Detection personnel of typing, when Site Detection personnel need
When wanting operational control device 233, its need carry out fingerprint recognition, when fingerprint recognition by after just can enter control flat board 234 so as to
Worked in showing, operating and controlling controller 233.The mode of fingerprint recognition can pull the base for readding M2 10.0 using model Huawei
In the start fingerprint recognition mode of the tablet personal computer of Android system.Wherein, control flat board 234 can be by inserting SIM card and service
Device 100 carries out 2G, 3G or 4G network service, can also be networked by WIFI function that it is carried and with the channel radio of server 100
Letter, can also be separately provided 4G modules certainly or WiFi module realizes that the radio communication between control flat board 234 and server 100 connects
Connect.
As shown in Figure 1, shown in Figure 5, positioning component 25 described in the present embodiment includes being used for the GPS for positioning console 23
Locating module 251, d GPS locating module 251 are connected with the control flat board 234, and control flat board 234 can be by d GPS locating module 251
Location information send to server 100.Specifically, when carrying out Non-Destructive Testing, monitoring personnel can determine according on server
Position information judges this test position, if this test position is corresponding with the measuring point to be checked entrusted, illustrates this lossless inspection
Survey effectively, otherwise illustrating this Non-Destructive Testing is practised fraud by Site Detection personnel, and it is invalid detection, and the test point needs
Detect again to avoid the solder joint of the test point from going wrong and cause security incident.
, may indoors or tunnel during due to Non-Destructive Testing, therefore positioning component 25 described in the present embodiment also includes being used for pair
The WIFI locating modules 252 and architecture module 253 that console 23 is positioned, the WIFI locating modules 252 and base station
Locating module 253 is connected with the control flat board 234, when that can not be positioned by d GPS locating module 251, can be passed through
WIFI locating modules 252 are positioned, and when test position can neither be positioned by d GPS locating module 251 can not be different
When WIFI locating modules 252 position, it can be positioned by architecture module 253.
As shown in figure 5, console 23 described in the present embodiment also includes exposure parameter acquisition module 235, it includes one and is used for
Record time for exposure recording unit 235a, the pipe of a tube current for measuring X-ray production apparatus 21 of the time for exposure of X-ray production apparatus 21
Current measuring unit 235b, the tube voltage measuring unit 235c and one of tube voltage for measuring X-ray production apparatus 21 are used to gather X
Focal length the collecting unit 235d, the time for exposure recording unit 235a of the focal length of X-ray machine X 21, tube current measuring unit 235b,
Tube voltage measuring unit 235c and focal length collecting unit 235d are connected with the controller 233, consequently facilitating the pipe by measurement
Electric current, tube voltage and the focal length of collection and time for exposure are sent to controller 233；And controller 233 connects with control flat board 234
Connect, it can send the tube current of X-ray production apparatus 21, tube voltage, focal length and time for exposure flat to control flat board 234, the control
When plate 234 is connected with the radio communication of server 100 and is used for the tube current of X-ray production apparatus 21, tube voltage, focal length and exposure
Between send to server 100；Meanwhile also can be by controlling the operational control device 233 of flat board 234 to control X-ray production apparatus 21, the control
Mode is this area routine techniques.When carrying out live Non-Destructive Testing, generally require and operated according to operation guide, specifically
The initial parameter provided for input consigner, it can form the exposure parameter for meeting Non-Destructive Testing demand, so that X-ray production apparatus
21 by the control Non-Destructive Testing of above-mentioned exposure parameter, exposure parameter be primarily referred to as the tube voltage of X-ray production apparatus 21, tube current, focal length and
Time for exposure.Wherein, the tube voltage measuring unit 235c of the present embodiment and tube current measuring unit 235b sides can use routine
Tube voltage measuring unit 235c and the tube current measurement of tube voltage measuring circuit and tube current measuring circuit, wherein the present embodiment are single
First 235b preferably uses the tube voltage and tube current measuring circuit of the Portable X-ray machine 21 based on HCNR201, and tube voltage is surveyed
Circuit is measured as shown in fig. 6, its operation principle is as follows：The importation of the composition measuring circuit such as LED, PD1, Q1 and amplifier A1 and shape
Into negative-feedback, A2, PD2 and Var then form the output par, c of circuit；Work as VinDuring change, amplifier A1 effect under, LED current with
Adjustment, the physical arrangement of optocoupler determines PD1 and LED linearly, so flowing through PD1 electric current ID1It followed by VinChange；
PD2 and PD1 are into strict proportionate relationship, same I againD2It followed by VinChange, by amplifier A2 and potentiometer Var by ID2It is converted into
Output voltage Vout, finally realizes Vout and VinPrecision linear relation；To make circuit that there is the higher linearity, amplifier A1 and
A2 should select low input offset current, voltage and low-power consumption precision amplifier, such as OP-07, LT1097, AD705；Compensating electric capacity C1
And the bandwidth of operation that C2 is used to improve circuit stability reduction circuit output noise and limiting circuit is in 10kHz or so；Two poles
Pipe D1 plays afterflow, prevents that too high back-pressure is added in LED both ends when LED from complete switching off；Tube current measuring circuit such as Fig. 7 institutes
Show, its operation principle is roughly the same with the operation principle of tube voltage measuring circuit：HCNR201 left sides circuit composition Direct Current is surveyed
Measure the current input section of circuit and form negative-feedback, the right circuit realiration electric current turns voltage；Focal length collecting unit 235d is main
For gather laser probe 222 and the distance between determinand surface signal that the measurement of laser ranging module 223 obtains or by
Electric signal after computing module processing, it is conventional signal acquisition circuit, and the present embodiment is not described in detail；Time for exposure
Recording unit 235a can record the time for exposure of X-ray production apparatus 21 in real time.
At present, existing usual manner typically determines above-mentioned exposure parameter by Site Detection personnel, and presses above-mentioned exposure
Parameter carries out Non-Destructive Testing, while above-mentioned exposure parameter is filled in and is uploaded to related management personnel by Site Detection personnel, due to upper
It is only that Site Detection personnel oneself fill in state exposure parameter, and it there may be difference with actual exposure parameter, and the present embodiment leads to
Aforesaid way is crossed, it can in real time measure and gather tube current, tube voltage, time for exposure and the focal length of X-ray production apparatus 21, then by taking
The backstage personnel of business device 100 are calculated according to above-mentioned tube current, tube voltage, time for exposure and focal length by operation guide, are entered
And judging whether Site Detection personnel by operation guide carry out operation execution, it advantageously ensures that the true of Non-Destructive Testing
Property, improve Non-Destructive Testing quality；Moreover, manual record exposure parameter is needed using aforesaid way and fills in corresponding report
Table, then upload again, its efficiency is low, is unfavorable for back-stage management personnel and invalid detection is handled in time.Therefore the present embodiment
Control flat board 234 is connected with controller 233, and time for exposure recording unit 235a, tube current measuring unit 235b, tube voltage are surveyed
Time for exposure, tube current, tube voltage and the focal length for the X-ray production apparatus 21 that unit 235c and focal length collecting unit 235d is obtained are measured, and
Send to controller 233, after controller 233 is handled above-mentioned exposure parameter and send to control flat board 234 in real time, and by
Control flat board 234 is sent to server 100, and monitoring personnel obtains the exposure parameter of collection in worksite and can join above-mentioned exposure in real time
Number is contrasted with operation guide, and to ensure that live Non-Destructive Testing is performed by operation guide, it advantageously ensures that nothing
The quality of detection is damaged, while which raises Non-Destructive Testing efficiency, avoids follow-up upload.Wherein, the controller of the present embodiment
233 can use model STM32f103ZET6 single-chip microcomputer, 12 AD that the single-chip microcomputer is carried using it, can reduce power consumption,
And it can be connected by the serial ports that it is carried with control flat board 234, it is with controlling the communication protocol of flat board 234 to use TTL-
RS232 interface protocols.
Moreover, in order to avoid the accuracy of equipment caused by the interference at Non-Destructive Testing scene reduces, the present embodiment exposure
Parameter collection module 235 also includes two light-coupled isolation units 235e, two light-coupled isolation unit 235e and is respectively arranged at pipe electricity
Between flow metering unit 235b, tube voltage measuring unit 235c and controller 233, light-coupled isolation unit 235e is conventional light
Electric coupler, it can be located between controller 233 and tube current measuring unit 235b, tube voltage measuring unit 235c, and it can be incited somebody to action
Tube voltage and interference source in tube current measuring circuit and the part being easily disturbed keep apart, i.e., it can measure measuring unit
Tube current and tube voltage in interference and insulation, ensure that control flat board 234 sends the accuracy of data to server 100.
As shown in figure 8, the present embodiment server 100 includes process parameter control module 11, testing result assessment module
12nd, examining report generation module 13 and mark module 14.Process parameter control module 11 is used for the initial parameter according to determinand
, can be original by this after the initial parameter of the determinand is obtained by consigner and the focal length of X-ray production apparatus automatically generates exposure parameter
Parameter inputs server, while the focal length detected by laser detecting apparatus 22 can be transmitted to server 100, process parameter control module
Initial parameter and focal length can be automatically generated exposure parameter and operation guide by 11 by examination criteria, and can be passed through during practical application
Its exposure parameter automatically generated and operation guide and the actually detected data of Site Detection personnel carry out contrast judgement, and it has
Beneficial to the precision for ensureing Site Detection, above-mentioned examination criteria presses the conventional detection standard of this area, such as：Can be according to determinand
The photographic density value of the focal length of the initial parameters such as material, thickness and X-ray production apparatus judgement needs, intensifying screen thickness, tube current, pipe electricity
Pressure etc., formed with above-mentioned exposure parameter and other critical parameters on operation guide；Testing result assessment module 12 is used for basis
Initial parameter, exposure parameter and the exposure image of determinand judge defect rank, and it can obtain process parameter control module 11
Initial parameter and exposure parameter, while the exposure image that scene exposure is formed is obtained, and obtained by image recognition in image
Defect, such as crackle, bar defect, circular flaw, incomplete fusion etc., while it can determine whether the size, length, depth of the defect,
And judge which kind of defect rank is this kind of defect under the conditions of the initial parameter and exposure parameter be according to examination criteria；Detection
Report generation module 13 is mainly used in above-mentioned judged result generating examining report, and the examining report can be arranged as required to, its
It may include the judged result of operation guide, initial parameter, exposure parameter, exposure image, the description of determinand defect and grade
Etc.；Mark module 14 is used for the initial parameter of determinand Non-Destructive Testing, exposure parameter, positional information, temporal information and sentenced
Disconnected results set forms Quick Response Code, can be obtained by the Quick Response Code the corresponding initial parameter of this Non-Destructive Testing, exposure parameter,
Positional information, temporal information and judged result, it can be backed up to this Non-Destructive Testing, and can be by the above-mentioned letter of Quick Response Code
Breath write-in IC-card, respective two-dimensional code on IC-card is recalled by card reader in darkroom, and re-expose is carried out to radiographic film, it is raw
Into permanent two-dimension code pattern, the application of this technology changes traditional detection position and is manually set font mark and negative information record
The mode entered.
When the present embodiment nondestructive detection system works, laser probe 222 and determinand can be gathered by laser range finder 22
The distance between surface, so obtain X-ray production apparatus 21 focal length, and set positioning component 25 monitor in real time Non-Destructive Testing position with
Avoid practising fraud, and when the measurable tube current of the X-ray production apparatus 21 of Non-Destructive Testing every time of controller 233, tube voltage, exposure
Between and focal length, and above-mentioned tube current, tube voltage, time for exposure and focal length are sent can basis to server 100, server 100
The located sites of Non-Destructive Testing and corresponding tube current, tube voltage, time for exposure and focal length determine Non-Destructive Testing place and detection matter
Amount.
Specific embodiment of the present utility model described above, the restriction to scope of protection of the utility model is not formed.
Any various other corresponding changes and deformation made according to technical concept of the present utility model, should be included in this practicality
In new scope of the claims.
Claims (4)
- A kind of 1. nondestructive detection system based on GPS location, it is characterised in that including：Server；The cannot-harm-detection device, it includes X-ray production apparatus, console, connection X-ray production apparatus and the cable of console and one is fixedly arranged on institute State the positioning component of console；The positioning component includes a d GPS locating module for being used to position console, the control Platform processed include a casing, one be articulated with the casing openend lid, one be built in the casing and for obtaining GPS The controller of the location information of locating module and one it is connected with the server radio communication and is used to send out the location information Deliver to the control flat board of server.
- 2. the nondestructive detection system according to claim 1 based on GPS location, it is characterised in that the positioning component is also Including the WIFI locating modules and architecture module for being positioned to console, the WIFI locating modules and base station are determined Position module is connected with the controller.
- 3. the nondestructive detection system according to claim 2 based on GPS location, it is characterised in that described to control the flat board to be One can fingerprint recognition tablet personal computer.
- 4. the nondestructive detection system according to claim 3 based on GPS location, it is characterised in that the console also wraps Exposure parameter acquisition module is included, it includes one and is used to record the time for exposure recording unit of the time for exposure of X-ray production apparatus, one is used for Measure the tube current measuring unit of the tube current of X-ray production apparatus, the tube voltage measuring unit of tube voltage for measuring X-ray production apparatus, And one be used for gather X-ray production apparatus focal length focal length collecting unit, the time for exposure recording unit, tube current measuring unit, Tube voltage measuring unit and focal length collecting unit are connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967188.6U CN207081671U (en) | 2017-08-04 | 2017-08-04 | A kind of nondestructive detection system based on GPS location |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720967188.6U CN207081671U (en) | 2017-08-04 | 2017-08-04 | A kind of nondestructive detection system based on GPS location |
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| CN207081671U true CN207081671U (en) | 2018-03-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459033A (en) * | 2018-04-02 | 2018-08-28 | 江苏中路工程检测有限公司 | A kind of detection device for bridge |
| CN110873290A (en) * | 2018-09-04 | 2020-03-10 | 中国石油化工股份有限公司 | Sequential conveying mixed oil control tracking method and system |
-
2017
- 2017-08-04 CN CN201720967188.6U patent/CN207081671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459033A (en) * | 2018-04-02 | 2018-08-28 | 江苏中路工程检测有限公司 | A kind of detection device for bridge |
| CN110873290A (en) * | 2018-09-04 | 2020-03-10 | 中国石油化工股份有限公司 | Sequential conveying mixed oil control tracking method and system |
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