CN208872833U - A kind of data line detector - Google Patents
A kind of data line detector Download PDFInfo
- Publication number
- CN208872833U CN208872833U CN201821452197.2U CN201821452197U CN208872833U CN 208872833 U CN208872833 U CN 208872833U CN 201821452197 U CN201821452197 U CN 201821452197U CN 208872833 U CN208872833 U CN 208872833U
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- interface
- cable
- data line
- test board
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Abstract
The utility model relates to a kind of data line detectors, including testboard, cable detector is provided on testboard, guide rail is provided on testboard, sliding is provided with two pieces of test boards on guide rail, guide rail both ends are respectively arranged with the driving device that driving test board moves left and right respectively, driving device is connect with a test board respectively, the side close to each other of two pieces of test boards is provided with displacement sensor, the side of two pieces of test boards being located remotely from each other is embedded with interface fixing apparatus, pressure sensor is folded between test board and interface fixing apparatus, detection interface is embedded in interface fixing apparatus, detection interface sequentially passes through interface fixing apparatus and test board, the both ends of cable detector detecting element are electrically connected with detection interface respectively.By pressure sensor when measurement, the complexity for pulling up cable can measure without cutting off the power, the length variation of displacement sensor cable is capable of detecting when the core wire on-off situation and detection length of cable of cable.
Description
Technical field
The utility model relates to data line detection fields, more particularly to a kind of data line detector.
Background technique
Data line is seen everywhere in present society, data line be transmit data and connect one of distinct device it is important
Component.The both ends of data line are respectively arranged with connector, in order to guarantee the quality of product, need before launch to data
The connector of line and data line is tested, and test process is exactly the swapping process of analog data line, and is examined to using data line
Device is surveyed to detect the withdrawal force of data line.Data line appearance is usually enclosed with one layer of flexiplast, existing testing machine
On the basis of guaranteeing that the insertion force of connector of data line and withdrawal force are qualified, it cannot be guaranteed that whether on-off is qualified for data line.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of data line detector
Problem.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of data line detector, including test
Whether platform is provided on testboard and is connected and the cable detector of short circuit for detecting cable, is provided with guide rail on testboard, leads
Sliding is provided with two pieces of test boards on rail, guide rail both ends be separately provided for two pieces of test boards of guidance towards close to each other or
The driving device for the direction movement being located remotely from each other, the one side that two pieces of test boards are located remotely from each other are all connected with a driving device, and two pieces
The one side of test board being located remotely from each other is embedded with interface fixing apparatus, and the one side close to each other of two pieces of test boards is all provided with
It is equipped with the displacement sensor for detecting the spacing between test board, pressure biography is folded between test board and interface fixing apparatus
Sensor, the detection interface of the connector for connection cables is embedded in interface fixing apparatus, and detection interface sequentially passes through interface
Fixed device and test board, the both ends of cable detector detecting element are electrically connected with detection interface respectively.
By installing pressure sensor between test board and interface fixing apparatus, the pulling force that interface is subject to can be will test
Pressure is converted to, two detection interfaces are adapted with the connector of cable respectively, the detection interface of a test board and cable one end
Connector be adapted, the detection interface of another test board is adapted with the connector of the cable other end.
The one side that two pieces of test boards are located remotely from each other offers mounting groove, and interface fixing apparatus is embedded in mounting groove,
Interface fixing apparatus and mounting groove clearance fit.Interface fixing apparatus can relatively move in mounting groove, and two pieces of test boards exist
When moving under the action of driving device towards the direction being located remotely from each other, the slot bottom of interface fixing apparatus and mounting groove is to pressure sensing
Device applies pressure.
The position that the notch of mounting groove is closed on test board is detachably provided with installation tank cover plate.Installation tank cover plate is for preventing
Only the interface fixing apparatus in mounting groove falls off from mounting groove, installs and offers several mounting holes in tank cover plate, on test board
Corresponding position of mounting hole offers threaded hole, and installation tank cover plate and test board pass through screw connection.
Two pieces of test boards one side close to each other is offered for detecting the perforative guide groove of interface, guide groove and installation
Slot connection, the shape of guide groove is matched with the shape of interface fixing seat enables interface fixing seat to pass through guide groove to stretch
Test board out, so that detection interface is plugged in together after guide groove with the connector of cable.
For the axis of the guide groove of two pieces of test boards in same level, guide groove is horizontally disposed, and detection interface level is set
It sets.Cable both ends are plugged on respectively in two detection interfaces, detect interface in the same horizontal line, so that cable is horizontal positioned,
Detection accuracy is avoided to be affected by gravity.
Interface fixing apparatus includes interface fixing seat and round plate body, and interface fixing seat is cylindrical groove body open at one end
Structure, the interface fixing seat other end are offered for detecting the perforative interface through-hole of interface, and interface fixing seat is far from interface through-hole
One end is fixedly connected with round plate body medium position, is sheathed in interface fixing seat and is connect with round plate body outside pressure sensor
Touching, interface fixing seat and mounting groove clearance fit.
Interface fixing seat is in cylindrical body, and interface fixing seat has close to one end of round plate body accommodates the recessed of detection interface
Slot, detection interface is mounted in interface fixing seat and detection interface stretches out interface through-hole.
The edge of round plate body is provided perpendicular to the ring bodies of round plate body, round plate body and ring bodies one at
Type, ring bodies are fitted closely with pressure sensor.
Ring bodies, round plate body and interface fixing seat are collectively formed with annular groove, and it is recessed that pressure sensor is placed in annular
In slot, pass through the position of ring bodies limiter pressure sensor.
Pressure sensor is annular pressure sensor, and one end of annular pressure sensor is in contact with round plate body, another
End is in contact with the groove bottom of mounting groove.The pressure that pressure sensor is used to detect between interface fixing apparatus and test board is big
It is small.By installing pressure sensor between test board and round plate body, it will test the pulling force that interface is subject to and be converted to pressure, according to
Annular pressure sensor by being mounted in interface fixing apparatus in advance is monitored the stress condition of detection interface, annular pressure
Force snesor is fixed by ring bodies, and package unit is very convenient during installation, it is only necessary to by interface fixing apparatus
Installation tank cover plate is loaded onto after being installed in mounting groove.
Driving device includes driving motor, belt, two lead screws and feed screw nut, and two lead screw one end are connected by belt
It connects, output shaft and the belt transmission of driving motor cooperate, and two lead screws are respectively arranged at guide rail two sides, set respectively on two screw rods
It is equipped with feed screw nut, feed screw nut is fixedly installed on test board, and the inner wall of feed screw nut is offered for cooperating with screw rod
Screw thread.Driving motor is servo motor, and servo motor has output shaft, and output shaft end is fixed with driving pulley, two screw rods
One end is fixedly installed driven pulley, and driving pulley is connected with driven pulley by belt.
Cable detector is the electric loop with detecting element, and cable detector is used to detect the on-off situation of cable.
It is attached between cable detector and detection interface by data cable.Round plate body is provided with along axis and transmits for data
The notch of cable penetration, installation tank cover plate are provided with along axis for the perforative fairlead of data cable.Cable detector includes
Several conducting wires and several internal inspection devices are attached between each component part of cable detector by conducting wire, inside detection
Device includes several switches and indicator light.The cable detector relies on cell powers, can be in cable and instrument according to electric current
The middle principle for constituting a bulk loop, the on-off of controlling cable is detected by the on-off of electric current.By detecting interface, data
The connector of transmission cable and tester, core wire in the cable part with light emitting diode and switch composition in instrument respectively
Circuit in parallel, after opening the switch, when core wire short circuit, if the light emitting diode is reactionless, so that it may discovery short circuit rapidly.
The working principle of the utility model are as follows: before starting detection, estimate the approximate length of cable, control driving device makes
Two pieces of test boards, so as to adjust the spacing between two pieces of test boards, are closed driving device and are stopped towards direction movement close to each other
Only, the connector at cable both ends is plugged on detection interface, cable detector and cable form measure loop and detect cable
Electrical conditions, control driving device moves two pieces of test boards towards the direction that is located remotely from each other, makes the connector at cable both ends
It is moved towards the direction being located remotely from each other, the distance between cable both ends size is reflected by displacement sensor, passes through pressure sensing
The size of device reflection required strength when pulling up cable.
The utility model has the following beneficial effects: being converted to measurement pressure by measuring pulling force, solving cable can not be clamped
The problem of, by pressure sensor when measurement, it can measure the complexity for pulling up cable, displacement sensing without cutting off the power
Device measures the length variation of cable, is capable of detecting when the core wire on-off situation and detection length of cable of cable.
Detailed description of the invention
The utility model is described in further detail for attached drawing, but the embodiment in attached drawing is not constituted to any of the utility model
Limitation.
Fig. 1 is the structural schematic diagram for the data line detector that an embodiment of the present invention provides；
Fig. 2 is the schematic front view for the test board that an embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the interface fixing apparatus that an embodiment of the present invention provides；
Fig. 4 is the schematic top plan view for the interface fixing apparatus that an embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for the interface fixing apparatus that an embodiment of the present invention provides；
Fig. 6 is the schematic top plan view for the interface fixing apparatus that an embodiment of the present invention provides；
Fig. 7 is the structural schematic diagram for the installation tank cover plate that an embodiment of the present invention provides；
Marked in the figure: 1- testboard, 11- guide rail, 2- cable detector, 21- data cable, 3- test board, 32- pacify
Tankage, 33- guide groove, 34- threaded hole, 35- displacement sensor, 41- detection interface, 42- interface fixing apparatus, 421- are round
Plate body, 4211- fairlead, 422- annular solid, 423- interface fixing seat, 424- interface through-hole, 31- installation tank cover plate, 311- peace
Fill hole, 51- driving motor, 52- screw rod, 53- belt, 12- guide rail hole, 13- sensor mounting hole, 14- through-hole.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " is usual
Refer to it is as shown in Figure 1 up and down." inside and outside " refer in specific profile it is interior with it is outer." remote, close " refers to relative to some portion
Part it is remote with it is close.
As shown in figs. 1-7, a kind of data line detector that an embodiment of the present invention provides, including testboard 1,
It is provided on testboard 1 and whether is connected and the cable detector 2 of short circuit for detecting cable, be provided with guide rail 11 on testboard 1,
Sliding is provided with two pieces of test boards 3 on guide rail 11, and 11 both ends of guide rail are separately provided for two pieces of test boards 3 of guidance towards mutual
The driving device that direction that is close or being located remotely from each other moves, the one side that two pieces of test boards 3 are located remotely from each other are all connected with a driving
Device, the one side of two pieces of test boards 3 being located remotely from each other are embedded with interface fixing apparatus 42, and two pieces of test boards 3 mutually lean on
Close one side is provided with the displacement sensor 35 for detecting 3 spacing of test board, test board 3 and interface fixing apparatus 42
Between be folded with pressure sensor, the detection interface 41 of the connector for connection cables is embedded in interface fixing apparatus 42,
Detection interface 41 sequentially passes through interface fixing apparatus 42 and test board 3, the both ends of 2 detecting element of cable detector respectively with detection
Interface 41 is electrically connected.3 lower part of test board is provided with for perforative 11 hole of guide rail of guide rail 11, is provided on test board 3 for displacement sensor
The sensor mounting hole 13 of 35 installations.
Displacement sensor 35 mainly plays a part of to detect the on-off situation of cable, and those skilled in the art answer considerable
It is that the utility model does not limit the connection structure between test board 3 of displacement sensor 35 specifically, displacement sensing
Device 35 can need to be fixed on test board 3 using set-up mode known in those skilled in the art according to actual installation, this
Field technical staff it should be noted that the utility model does not limit the specific structure of displacement sensor 35 specifically,
Displacement sensor 35 can be passed using known in those skilled in the art suitable for any displacement being installed on test board 3
Sensor 35, as long as can satisfy displacement sensor 35 for detecting the distance between displacement sensor 35 and test board 3 size i.e.
Can, for example, the utility model can be used using infrared distance measuring sensor as displacement sensor 35.
By installing pressure sensor between test board 3 and interface fixing apparatus 42, can will test interface 41 by
Pulling force be converted to pressure, two detection interfaces 41 are adapted with the connector of cable respectively, the detection interface of a test board 3
41 are adapted with the connector of cable one end, and the detection interface 41 of another test board 3 is adapted with the connector of the cable other end.
As shown in figures 2-3, the one side that two pieces of test boards 3 are located remotely from each other offers mounting groove 32, the fixed dress of interface
It sets 42 to be embedded in mounting groove 32, interface fixing apparatus 42 and 32 clearance fit of mounting groove.Interface fixing apparatus 42 can pacify
It is relatively moved in tankage 32, when two pieces of test boards 3 move under the action of driving device towards the direction being located remotely from each other, interface is solid
The slot bottom for determining device 42 and mounting groove 32 applies pressure to pressure sensor.
The position that the notch of mounting groove 32 is closed on test board 3 is detachably provided with installation tank cover plate 31.Tank cover plate is installed
31 for preventing the interface fixing apparatus 42 in mounting groove 32 from falling off from mounting groove 32, if offering in installation tank cover plate 31
Dry mounting hole 311 corresponds to 311 position of mounting hole on test board 3 and offers threaded hole 34, and installation tank cover plate 31 and test board 3 are logical
Cross screw connection.
Two pieces of test boards 3 one side close to each other is offered for detecting the perforative guide groove 33 of interface 41, guide groove
33 are connected to mounting groove 32, and the shape of guide groove 33 is matched with the shape of interface fixing seat 423 so that interface fixing seat 423
Guide groove 33 can be passed through to stretch out test board 3, so that connection of the detection interface 41 after guide groove 33 with cable
Device is plugged in together.
For the axis of the guide groove 33 of two pieces of test boards 3 in same level, guide groove 33 is horizontally disposed, detects interface
41 is horizontally disposed.Cable both ends are plugged on respectively in two detection interfaces 41, interface 41 are detected in the same horizontal line, so that line
Cable is horizontal positioned, and detection accuracy is avoided to be affected by gravity.
As shown in figures 4 to 7, interface fixing apparatus 42 includes interface fixing seat 423 and round plate body 421, interface fixing seat
423 be cylindrical trough body structure open at one end, and 423 other end of interface fixing seat is offered for detecting the perforative interface of interface 41
Through-hole 424, the one end of interface fixing seat 423 far from interface through-hole 424 are fixedly connected with round 421 medium position of plate body, pressure
It is sheathed in interface fixing seat 423 and is contacted with round plate body 421 outside sensor, interface fixing seat 423 and 32 gap of mounting groove
Cooperation.
Interface fixing seat 423 is in cylindrical body, and interface fixing seat 423 has close to one end of round plate body 421 accommodates detection
The groove of interface 41, the difference between the groove depth of mounting groove 32 and the thickness of pressure sensor are less than the thickness of pressure sensor
1/5th.
The edge of round plate body 421 is provided perpendicular to the ring bodies of round plate body 421, round plate body 421 and ring
Shape body by integral forming, ring bodies are fitted closely with pressure sensor.
Ring bodies, round plate body 421 and interface fixing seat 423 are collectively formed with annular groove, and pressure sensor is placed in
In annular groove, pass through the position of ring bodies limiter pressure sensor.
Pressure sensor is annular pressure sensor, and one end of annular pressure sensor is in contact with round plate body 421, separately
One end is in contact with the groove bottom of mounting groove 32.It, will by installing pressure sensor between test board 3 and round plate body 421
The pulling force that detection interface 41 is subject to is converted to pressure, by the annular pressure sensor being mounted in interface fixing apparatus 42 in advance
The stress condition of detection interface 41 is monitored, annular pressure sensor is fixed by ring bodies, package unit
It is very convenient during installation, it is only necessary to installation tank cover plate 31 is loaded onto after interface fixing apparatus 42 is installed in mounting groove 32 i.e.
It can.
Annular pressure sensor mainly plays a part of to detect the on-off situation of cable, and annular pressure sensor can be according to reality
Border installation needs to be fixed in annular groove using set-up mode known in those skilled in the art, and those skilled in the art answer
Considerable to be, the utility model does not limit the specific structure of annular pressure sensor specifically, the annular pressure
Sensor can use known in those skilled in the art suitable for any annular being installed on interface fixing apparatus 42
Pressure sensor, as long as it is big for detecting the pressure between test board 3 and round plate body 421 to can satisfy annular pressure sensor
It is small.
As shown in fig. 1, driving device includes driving motor 51, belt 53, two lead screws and feed screw nuts, two lead screws
One end is connected by belt 53, and output shaft and belt 53 transmission of driving motor 51 cooperate, and two lead screws are respectively arranged at guide rail
11 two sides are respectively arranged with feed screw nut on two screw rods 52, and feed screw nut is fixedly installed on test board 3, feed screw nut's
Inner wall offers the screw thread for cooperating with screw rod 52.Driving motor 51 is servo motor, and servo motor has output shaft, output
Shaft end is fixed with driving pulley, and two 52 one end of screw rod are fixedly installed driven pulley, and driving pulley and driven pulley are logical
Belt 53 is crossed to be connected.
As illustrated in fig. 1-3,3 lower part of test board is provided with the through-hole 14 for feed screw nut installation, and feed screw nut can basis
Actual installation needs to be connected on test board 3 using connection type known in those skilled in the art.Driving motor 51 is to watch
Motor is taken, the control device of driving motor 51 mainly plays a part of to accurately control servo motor rotation, the control of driving motor 51
Device can need to be mounted on testboard 1 using connection type known in those skilled in the art according to actual installation, this
Field technical staff it should be noted that the utility model not to the building block and circuit of the control device of driving motor 51
Structure is specifically limited, and the control device of driving motor 51 can be using known in those skilled in the art suitable for control
Any control device of servo motor processed.
Cable detector 2 is the electric loop with detecting element, and cable detector 2 is used to detect the on-off of cable.Line
It is attached between cable detector 2 and detection interface 41 by data cable 21.Round plate body 421 is provided with along axis for number
According to the perforative notch of transmission cable 21, tank cover plate 31 is installed and is provided with along axis for the perforative fairlead of data cable 21
4211.Cable detector 2 includes several conducting wires and several internal inspection devices, is relied between each component part of cable detector 2
Conducting wire is attached, and internal inspection device includes several switches and indicator light.The cable detector 2 relies on cell powers,
The principle that a bulk loop can be constituted in cable and instrument according to electric current, detects controlling cable by the on-off of electric current
On-off.By detecting the connector of interface 41, data cable 21 and tester, the core wire in cable is respectively and in instrument
Light emitting diode with switch composition local circuit it is in parallel, after opening the switch, when core wire short circuit, if the light emitting diode without
Reaction, so that it may discovery short circuit rapidly.
Cable detector 2 mainly plays a part of to detect the on-off situation of cable, and cable detector 2 can be according to actual installation
It needs to be connected on testboard 1 using connection type known in those skilled in the art, those skilled in the art should pay attention to
, the utility model do not limit the building block and circuit structure of the cable detector 2 specifically, the cable
Detector 2 can use known in those skilled in the art suitable for any cable detector being installed on testboard 1
2, it is used to enhance the frictional force between the object in mounting groove 32 and mounting groove 32 as long as can satisfy cable detector 2,
For example, the utility model can be used using warning lamp as cable detector 2.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of data line detector, it is characterised in that: including testboard, cable detector is provided on testboard, is tested
Guide rail is provided on platform, sliding is provided with two pieces of test boards on guide rail, and it is left respectively that guide rail both ends are respectively arranged with driving test board
The driving device moved right, driving device are connect with a test board respectively, and the one side close to each other of two pieces of test boards is all provided with
It is equipped with displacement sensor, the one side of two pieces of test boards being located remotely from each other is embedded with interface fixing apparatus, test board and interface
It is folded with pressure sensor between fixed device, detection interface is embedded in interface fixing apparatus, detection interface, which sequentially passes through, to be connect
The fixed device of mouth and test board, the both ends of cable detector detecting element are electrically connected with detection interface respectively.
2. data line detector according to claim 1, it is characterised in that: the one side that two pieces of test boards are located remotely from each other is equal
Mounting groove is offered, interface fixing apparatus is set in mounting groove.
3. data line detector according to claim 2, it is characterised in that: close on the notch of mounting groove on the test board
Position be detachably provided with installation tank cover plate.
4. data line detector according to claim 3, it is characterised in that: two pieces of test boards side close to each other
Face is offered for detecting the perforative guide groove of interface, and guide groove is connected to mounting groove.
5. data line detector according to claim 4, it is characterised in that: the axis of the guide groove of two pieces of test boards
It is set in same level.
6. data line detector according to claim 1, it is characterised in that: the interface fixing apparatus includes that interface is fixed
Seat and round plate body, interface fixing seat are cylindrical trough body structure open at one end, and the interface fixing seat other end is offered for inspection
The perforative interface through-hole of interface is surveyed, the one end of interface fixing seat far from interface through-hole is fixedly connected with round plate body medium position,
It is sheathed in interface fixing seat and is contacted with round plate body outside pressure sensor.
7. data line detector according to claim 6, it is characterised in that: the edge of the circle plate body is provided with
Perpendicular to the ring bodies of round plate body, round plate body and cyclic annular body by integral forming.
8. data line detector according to claim 6, it is characterised in that: the pressure sensor is annular pressure sensing
Device.
9. data line detector according to claim 1, it is characterised in that: the driving device includes driving motor, skin
Band, two lead screws and feed screw nut, two lead screw one end are connected by belt, and output shaft and the belt transmission of driving motor are matched
It closes, two lead screws are respectively arranged at guide rail two sides, are respectively arranged with feed screw nut on two screw rods, feed screw nut is fixedly installed on
On test board, the inner wall of feed screw nut offers the screw thread for cooperating with screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452197.2U CN208872833U (en) | 2018-09-06 | 2018-09-06 | A kind of data line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452197.2U CN208872833U (en) | 2018-09-06 | 2018-09-06 | A kind of data line detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208872833U true CN208872833U (en) | 2019-05-17 |
Family
ID=66466915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821452197.2U Expired - Fee Related CN208872833U (en) | 2018-09-06 | 2018-09-06 | A kind of data line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208872833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596516A (en) * | 2019-09-20 | 2019-12-20 | 朱立怀 | Detection apparatus for data line port |
| CN112284905A (en) * | 2020-12-29 | 2021-01-29 | 中铁科学研究院有限公司 | Concrete detection device and method |
| CN113552002A (en) * | 2021-06-16 | 2021-10-26 | 甘肃光轩高端装备产业有限公司 | Flexible glass bending strength test system |
-
2018
- 2018-09-06 CN CN201821452197.2U patent/CN208872833U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596516A (en) * | 2019-09-20 | 2019-12-20 | 朱立怀 | Detection apparatus for data line port |
| CN110596516B (en) * | 2019-09-20 | 2021-08-24 | 龙南沃马驰智能科技有限公司 | Detection apparatus for data line port |
| CN112284905A (en) * | 2020-12-29 | 2021-01-29 | 中铁科学研究院有限公司 | Concrete detection device and method |
| CN113552002A (en) * | 2021-06-16 | 2021-10-26 | 甘肃光轩高端装备产业有限公司 | Flexible glass bending strength test system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190517 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |