CN213933685U - Wireless remote control pipeline magnetic flux leakage detection device - Google Patents
Wireless remote control pipeline magnetic flux leakage detection device Download PDFInfo
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- CN213933685U CN213933685U CN202022367665.XU CN202022367665U CN213933685U CN 213933685 U CN213933685 U CN 213933685U CN 202022367665 U CN202022367665 U CN 202022367665U CN 213933685 U CN213933685 U CN 213933685U
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Abstract
The utility model discloses a wireless remote control pipeline magnetic flux leakage detection device, which comprises an excitation magnetization module, an electric control module and a power module; the excitation magnetization module comprises an excitation magnetization main part and an excitation magnetization diameter-adjusting part; the excitation magnetization main body part comprises a sensor mechanism and two excitation source mechanisms, the two excitation source mechanisms are arranged in parallel, two ends of the two excitation source mechanisms are connected in a rotating mode, and the sensor mechanism is installed on the excitation source mechanisms and is adjustable in height; the excitation magnetization diameter adjusting part comprises a driving diameter adjusting mechanism and a driven diameter adjusting mechanism, the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are respectively arranged on two sides of the excitation source mechanism, and an included angle between the two excitation source mechanisms can be controlled; the electric control module is electrically connected with the excitation magnetization module and the power module respectively, and the power module can drive the excitation magnetization module and the electric control module to move along the pipeline. The utility model provides a current detection device need manual drive, operate complicated, the problem that wastes time and energy.
Description
Technical Field
The utility model belongs to the technical field of the pipeline inspection, concretely relates to wireless remote control pipeline magnetic leakage detection device.
Background
Pipeline transportation is an important transportation mode and is widely applied to the petroleum and petrochemical industry. For long-distance pipelines, in-pipeline detectors are commonly used for detection. For the pipeline with smaller pipe diameter, an external detection method is mostly adopted. Different from relatively mature in-pipeline detectors, the out-pipeline detectors are small in type and number, and have the defects of manual driving, complex operation, time and labor waste and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a wireless remote control pipeline magnetic leakage detection device, solve current detection device need manual drive, operation complicacy, the problem that wastes time and energy.
The utility model provides a following technical scheme:
a wireless remote control pipeline magnetic flux leakage detection device comprises an excitation magnetization module, an electric control module and a power module;
the excitation magnetization module comprises an excitation magnetization main body part and an excitation magnetization diameter adjusting part, and the electric control module and the power module are respectively arranged above and below the excitation magnetization main body part;
the excitation magnetization main body part comprises a sensor mechanism and two excitation source mechanisms, the two excitation source mechanisms are arranged in parallel, two ends of the two excitation source mechanisms are connected in a rotating mode, and the sensor mechanism is mounted on the excitation source mechanisms and is adjustable in height;
the excitation magnetization diameter adjusting part comprises a driving diameter adjusting mechanism and a driven diameter adjusting mechanism, the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are respectively arranged on two sides of the excitation source mechanism, and an included angle between the two excitation source mechanisms can be controlled;
the electric control module is electrically connected with the excitation magnetization module and the power module respectively, and the power module can drive the excitation magnetization module and the electric control module to move along the pipeline.
Preferably, the excitation source mechanism is U-shaped and comprises a magnet support piece, an armature iron arranged below the magnet support piece, two magnets arranged at two ends below the armature iron, and two pole shoes arranged below the two magnets respectively, wherein a convex rotating shaft and a concave rotating shaft are arranged on the outer sides of the two pole shoes respectively, and a rotating pair is formed by matching the convex rotating shaft of one excitation source mechanism and the concave rotating shaft of the other excitation source mechanism, so that the included angle between the two excitation source mechanisms is adjustable.
Preferably, the sensor mechanism comprises a sensor box, a sensor arranged in the sensor box, a sensor box cover plate covering the sensor box, and an adjusting rod in threaded connection with the sensor box cover plate, wherein the adjusting rod penetrates through the armature and the magnet supporting piece and can move up and down.
Preferably, the excitation magnetization main part still includes the handle mechanism of installing in excitation source mechanism both sides respectively, handle mechanism include the side board, with two handguards of side board fixed connection, locate the handguard clamp plate in the handguard outside to and connect the handle of two handguard tip, the side board passes through bolt and armature and pole shoe fixed connection.
Preferably, the electronic control module comprises a box body, and a PCB electronic control, a battery and an aviation plug which are arranged in the box body.
Preferably, a box cover plate is buckled above the box body, and wire grooves are arranged on two sides of the outside of the box body.
Preferably, the power module comprises power wheels and wheel supports for supporting the power wheels, each wheel support comprises a top plate, a connecting plate, a first side plate and two second side plates, the connecting plates are vertically connected with the top plate, the number of the power wheels and the number of the wheel supports are four, and the four power wheels and the four wheel supports are respectively installed below two ends of each excitation source mechanism.
Preferably, the active diameter adjusting mechanism comprises a fixed angle piece, two fixed blocks arranged below the fixed angle piece, an active diameter adjusting rod penetrating through the fixed blocks, two fixed knobs sleeved at two ends of the active diameter adjusting rod and two butterfly nuts matched with the two fixed knobs, wherein threads are arranged on the surface of the active diameter adjusting rod, and two wheel supports positioned below the same end of the two excitation source mechanisms respectively form revolute pairs with the two fixed knobs through the butterfly nuts.
Preferably, the driven diameter adjusting mechanism comprises a fixed angle piece, two fixed blocks arranged below the fixed angle piece, a driven diameter adjusting rod penetrating through the fixed blocks, two fixed knobs sleeved at two ends of the driven diameter adjusting rod and two butterfly nuts matched with the two fixed knobs, the surface of the driven diameter adjusting rod is smooth, and two wheel supports positioned below the other ends of the two excitation source mechanisms respectively form a revolute pair with the two fixed knobs through the butterfly nuts.
Preferably, the fixed corner fittings include the diaphragm that links to each other with the fixed block through the bolt, the riser that links to each other perpendicularly with the diaphragm and connect in the scute of diaphragm and riser contained angle department, the riser of initiative diameter regulating mechanism and driven diameter regulating mechanism all passes through the bolt and installs in electronic control module's box outer wall.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an excitation magnetization module, its two excitation source mechanisms that excite the magnetization main part are arranged side by side and both ends rotate and link to each other, its excitation magnetization transfers the initiative diameter adjusting mechanism and the driven diameter adjusting mechanism of footpath part to install respectively in the both sides of excitation source mechanism, and can control the contained angle between two excitation source mechanisms, make two excitation source mechanisms can span in the pipeline of different pipe diameters, in addition, sensor mechanism installs in excitation source mechanism and height-adjustable, be applicable to different pipe diameters pipeline and different detection demands, easy operation, the device suitability is strong;
(2) the utility model discloses an automatically controlled module and power module, automatically controlled module can control power module and drive excitation magnetization module and automatically controlled module along the pipeline motion, does not need manual drive, easy operation has alleviateed the amount of labour of measurement personnel greatly, and labour saving and time saving enables the device to keep uniform motion moreover, is favorable to reducing the influence of speed to the magnetic leakage signal;
(3) the device of the utility model adopts a modular structure, is divided into an excitation magnetization module, a power module and an electric control module, and any module can be independently maintained or replaced when in failure, thereby reducing the maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the structure of an excitation magnetization module;
FIG. 3 is a schematic diagram of the structure of an excitation magnetized main body portion;
FIG. 4 is a schematic structural view of the excitation source mechanism;
FIG. 5 is a schematic structural view of a sensor mechanism;
FIG. 6 is a schematic structural view of the handle mechanism;
FIG. 7 is a schematic structural diagram of an active diameter adjusting mechanism;
FIG. 8 is a schematic structural diagram of a driven diameter-adjusting mechanism;
FIG. 9 is a schematic structural diagram of a power module;
FIG. 10 is a schematic view of the internal structure of the electronic control module;
FIG. 11 is a schematic view of the structure of the cover plate of the case;
labeled as: 1. an excitation magnetization module; 2. magnetizing the main body portion; 3. an excitation magnetization diameter adjusting part; 4. a magnet; 5. an armature; 6. a pole shoe; 7. a magnet support; 8. a convex rotating shaft; 9. a concave rotating shaft; 10. a side panel; 11. a handle; 12. protecting hands; 13. a hand protecting pressing plate; 14. adjusting a rod; 15. a sensor cartridge cover plate; 16. a sensor cartridge; 17. a vertical plate; 18. a transverse plate; 19. a gusset; 20. a fixed block; 21. an active diameter adjusting rod; 22. a driven diameter-adjusting rod; 23. fixing the knob; 24. a butterfly nut; 25. a first side plate; 26. a top plate; 27. a connecting plate; 28. a second side plate; 29. a power wheel; 30. a box body; 31. electrically controlling the PCB; 32. a battery; 33. an aviation plug; 34. a cover plate of the box body; 35. a wire slot.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, a wireless remote control pipeline magnetic flux leakage detection device comprises an excitation magnetization module 1, an electric control module and a power module; the excitation magnetization module 1 comprises an excitation magnetization main body part 2 and an excitation magnetization diameter-adjusting part 3, and the electric control module and the power module are respectively arranged above and below the excitation magnetization main body part 2; the excitation magnetization main body part 2 comprises a sensor mechanism and two excitation source mechanisms, the two excitation source mechanisms are arranged in parallel, two ends of the two excitation source mechanisms are rotationally connected, and the sensor mechanism is arranged on the excitation source mechanisms and is adjustable in height; the excitation magnetization diameter adjusting part 3 comprises a driving diameter adjusting mechanism and a driven diameter adjusting mechanism, the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are respectively arranged on two sides of the excitation source mechanism, and an included angle between the two excitation source mechanisms can be controlled; the electric control module is electrically connected with the excitation magnetization module 1 and the power module respectively, and the power module can drive the excitation magnetization module 1 and the electric control module to move along the pipeline.
As shown in fig. 3 and 4, the excitation magnetization module 1 can magnetize a pipeline, receive a leakage magnetic signal, and magnetize pipelines with different diameters within a certain range. The excitation source mechanism is U-shaped, and comprises a magnet support member 7, an armature 5 arranged below the magnet support member 7, two magnets 4 arranged at two ends below the armature 5 and two pole shoes 6 arranged below the two magnets 4 respectively, wherein a convex rotating shaft 8 and a concave rotating shaft 9 are arranged on the outer sides of the two pole shoes 6 respectively, and a rotating pair is formed by matching the convex rotating shaft 8 of one excitation source mechanism and the concave rotating shaft 9 of the other excitation source mechanism, so that the included angle between the two excitation source mechanisms is adjustable. The armature 5 is connected with the magnet supporting piece 7 through a bolt, and the armature 5 and the magnet 4 as well as the magnet 4 and the pole shoe 6 are connected with the super glue through magnetic force. The pole shoe 6 has the functions of stroking paramagnetic force lines and protecting magnets, and the armature 5 plays a role in conducting a magnetic circuit.
As shown in fig. 3 and 5, the sensor mechanism of the field magnetization main body portion 2 includes a sensor case 16, a sensor mounted inside the sensor case 16, a sensor case cover 15 covering the sensor case 16, and an adjustment lever 14 screwed to the sensor case cover 15, and the adjustment lever 14 penetrates the armature 5 and the magnet support 7 and is movable up and down. The sensor box cover plate 15 is connected with the sensor box 16 through a bolt, the sensors are arranged in the sensor box 16 to receive magnetic leakage signals, and the distance between the sensor box 16 and a detected pipe fitting is adjusted by enabling the adjusting rod 14 to penetrate through the armature 5 and the magnet supporting piece 7 to move up and down, so that the lift-off value is controlled. The device comprises four adjusting rods 14, two sensor box cover plates 15 and two sensor boxes 16, wherein the sensor mechanism is not fixedly contacted with the U-shaped excitation source mechanism, and the sensor mechanism and the U-shaped excitation source mechanism are in sliding fit.
As shown in fig. 3 and 6, the excitation magnetization main body part 2 further comprises two handle mechanisms respectively installed on two sides of the excitation source mechanism, so that an operator can conveniently hold the device, each handle mechanism comprises a side panel 10, two hand guards 12 fixedly connected with the side panel 10, a hand guard pressing plate 13 arranged on the outer side of the hand guard 12, and a handle 11 connected with the end parts of the two hand guards 12, and the side panel 10 is fixedly connected with the armature 5 and the pole shoe 6 through bolts.
As shown in fig. 9, the power module includes a power wheel 29 and a wheel bracket for supporting the power wheel 29, the power wheel 29 rotates to provide power for the device, the wheel bracket includes a top plate 26, a connecting plate 27 vertically connected to the top plate 26, a first side plate 25 and two second side plates 28, the number of the power wheels 29 and the number of the wheel bracket are four, and the four power wheels and the four wheel brackets are respectively installed below two ends of two excitation source mechanisms, specifically, the top plate 26 of the wheel bracket is fixed to the magnet support 7 through a bolt.
As shown in fig. 7, the active diameter adjusting mechanism includes a fixed angle member, two fixed blocks 20 installed below the fixed angle member, an active diameter adjusting rod 21 penetrating through the fixed blocks 20, two fixed knobs 23 sleeved at two ends of the active diameter adjusting rod 21, and two butterfly nuts 24 engaged with the two fixed knobs 23, wherein threads are disposed on the surface of the active diameter adjusting rod 21, and two wheel brackets located below the same end of the two excitation source mechanisms respectively form revolute pairs with the two fixed knobs 23 through the butterfly nuts 24. As shown in fig. 8, the driven diameter adjusting mechanism includes a fixed angle piece, two fixed blocks 20 installed below the fixed angle piece, a driven diameter adjusting rod 22 penetrating through the fixed blocks 20, two fixed knobs 23 sleeved at two ends of the driven diameter adjusting rod 22, and two butterfly nuts 24 matched with the two fixed knobs 23, the surface of the driven diameter adjusting rod 22 is smooth, and two wheel brackets located below the other ends of the two excitation source mechanisms respectively form a rotation pair with the two fixed knobs 23 through the butterfly nuts 24. The fixed corner fitting comprises a transverse plate 18 connected with a fixed block 20 through bolts, a vertical plate 17 vertically connected with the transverse plate 18 and a corner plate 19 connected at the included angle between the transverse plate 18 and the vertical plate 17, the vertical plates 17 of the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are both mounted on the outer wall of a box body 30 of the electronic control module through bolts, and a connecting plate 27 of the wheel support forms a revolute pair with the fixed knob 23 through a butterfly nut 24.
As shown in fig. 1-3 and 7-9, the active diameter adjusting mechanism and the driven diameter adjusting mechanism are respectively installed on two sides of the excitation source mechanism, and the fixed knobs 23 can be translated on the active diameter adjusting rod 21 by rotating the active diameter adjusting rod 21, so that the distance between the two fixed knobs 23 on the active diameter adjusting rod 21 is increased or decreased, and the two fixed knobs 23 drive the power module and the two excitation source mechanisms above the power module to be opened or closed to adapt to different pipe diameters.
As shown in fig. 10 and 11, the electronic control module includes a box 30, and a PCB electronic control 31, a battery 32 and four aviation plugs 33 mounted inside the box 30. A box cover plate 34 is buckled above the box body 30, and wire slots 35 are installed on two sides of the outside of the box body 30 for wiring. The circuit elements in the box body 30 realize the functions of power supply, receiving remote control signals, receiving magnetic leakage signals, processing remote control signals, storing magnetic leakage signals and the like together.
As shown in fig. 1-11, during the detection process, the active diameter adjusting rod 21 is rotated according to the thickness of the pipe to be detected, so that the two fixing knobs 23 are displaced relative to each other in parallel to the axis of the active diameter adjusting rod 21, and the movement of the fixing knobs 23 drives the power modules matched with the fixing knobs and the excitation source mechanisms fixedly connected with the power modules to rotate around the convex rotating shaft 8, so that the included angle between the two excitation source mechanisms is changed, and the pipe diameter adjusting device is suitable for different pipe diameters within a certain range. After the diameter is adjusted, the device is placed on a pipeline, four power wheels 29 are ensured to be in contact with the pipe wall when the device is placed, and the height of the adjusting rod 14 is adjusted to enable the distance between the sensor box 16 and the pipe wall to be approximately one millimeter; after adjustment is completed, the power supply can be started, the battery 32 supplies electric energy to the power wheel 29, the magnetic sensor in the sensor box 16 and the PCB electronic control unit 31, an instruction is sent out through the industrial-grade Pad to command the power wheel 29 to rotate forwards or backwards, so that the device moves forwards or backwards, the U-shaped excitation mechanism magnetizes the pipeline, the magnetic sensor in the sensor box 16 receives a magnetic leakage signal, and the magnetic leakage signal is processed by the PCB electronic control unit 31 and sent to the industrial-grade Pad to complete detection.
The utility model discloses an automatically controlled module and power module, automatically controlled module can control power module and drive excitation magnetization module and automatically controlled module along the pipeline motion, does not need manual drive, easy operation has alleviateed the amount of labour of measurement personnel greatly, and labour saving and time saving enables the device to keep uniform motion moreover, is favorable to reducing the influence of speed to the magnetic leakage signal; through a wireless data acquisition card, the rapid and stable transmission of magnetic flux leakage detection data between a magnetizing head and an operation terminal is realized by utilizing an industrial-grade WIFI data transmission mode (a wireless network card and a transmission circuit), the transmission rate is higher than that of wired transmission, an intelligent disconnection-preventing mechanism is adopted, the high and low temperature resistance is realized, and the stable operation can be realized under various severe working conditions; the running time of the wireless acquisition card is reasonably controlled, so that the wireless acquisition card stops data transmission in idle time, and the electric quantity is saved; the operation terminal adopts an industrial-grade Pad as a host, and is added with wireless data transmission and wireless remote control functions, the wireless data transmission and the wireless remote control functions are not influenced by each other, and the received magnetic leakage signal can be processed while the magnetizing head is operated to move; meanwhile, due to the adoption of the industrial-grade Pad, although some necessary modules are added, the whole volume and weight of the operation terminal are obviously reduced, the operation terminal not only facilitates the operation of the magnetizing head by an operator, but also gives consideration to the control of the signal processing system, and improves the portability and the convenience of the equipment.
The utility model discloses a contained angle between two excitation source mechanisms of initiative diameter-adjusting mechanism and driven diameter-adjusting mechanism control makes two excitation source mechanisms can span in the pipeline of different pipe diameters, and in addition, sensor mechanism installs in excitation source mechanism and height-adjustable, is applicable to different pipe diameter pipelines and different detection demands, easy operation, and the device suitability is strong. The device adopts a modular structure and is divided into an excitation magnetization module, a power module and an electric control module, and any module can be independently maintained or replaced when a fault occurs, so that the maintenance cost is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. A wireless remote control pipeline magnetic flux leakage detection device is characterized by comprising an excitation magnetization module, an electric control module and a power module;
the excitation magnetization module comprises an excitation magnetization main body part and an excitation magnetization diameter adjusting part, and the electric control module and the power module are respectively arranged above and below the excitation magnetization main body part;
the excitation magnetization main body part comprises a sensor mechanism and two excitation source mechanisms, the two excitation source mechanisms are arranged in parallel, two ends of the two excitation source mechanisms are connected in a rotating mode, and the sensor mechanism is mounted on the excitation source mechanisms and is adjustable in height;
the excitation magnetization diameter adjusting part comprises a driving diameter adjusting mechanism and a driven diameter adjusting mechanism, the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are respectively arranged on two sides of the excitation source mechanism, and an included angle between the two excitation source mechanisms can be controlled;
the electric control module is electrically connected with the excitation magnetization module and the power module respectively, and the power module can drive the excitation magnetization module and the electric control module to move along the pipeline.
2. The wireless remote control pipeline magnetic flux leakage detection device according to claim 1, wherein the excitation source mechanism is U-shaped, and comprises a magnet support member, an armature disposed below the magnet support member, two magnets disposed at two ends below the armature, and two pole shoes disposed below the two magnets, wherein a convex rotating shaft and a concave rotating shaft are respectively mounted on outer sides of the two pole shoes, and the convex rotating shaft of one excitation source mechanism and the concave rotating shaft of the other excitation source mechanism cooperate to form a revolute pair, so that an included angle between the two excitation source mechanisms is adjustable.
3. The wireless remote control pipeline magnetic flux leakage detection device according to claim 2, wherein the sensor mechanism comprises a sensor box, a sensor installed inside the sensor box, a sensor box cover plate covering the sensor box, and an adjusting rod in threaded connection with the sensor box cover plate, the adjusting rod penetrates through the armature and the magnet support member and can move up and down.
4. The wireless remote control pipeline magnetic flux leakage detection device of claim 2, wherein the excitation magnetization main body part further comprises handle mechanisms respectively installed on two sides of the excitation source mechanism, each handle mechanism comprises a side panel, two hand guards fixedly connected with the side panel, a hand guard pressing plate arranged on the outer side of the hand guard, and a handle connected with the end parts of the two hand guards, and the side panel is fixedly connected with the armature and the pole shoe through bolts.
5. The wireless remote control pipeline magnetic flux leakage detection device according to claim 1, wherein the electronic control module comprises a box body and a PCB (printed circuit board) electronic control, a battery and an aviation plug which are installed inside the box body.
6. The wireless remote control pipeline magnetic flux leakage detection device according to claim 5, wherein a box cover plate is buckled above the box body, and wire slots are installed on two sides of the outside of the box body.
7. The wireless remote control pipeline magnetic flux leakage detection device according to claim 5, wherein the power module comprises power wheels and wheel brackets for supporting the power wheels, the wheel brackets comprise a top plate, and a connecting plate, a first side plate and two second side plates which are vertically connected with the top plate, the number of the power wheels and the number of the wheel brackets are four, and the four power wheels and the four wheel brackets are respectively installed below two ends of the two excitation source mechanisms.
8. The wireless remote control pipeline magnetic flux leakage detection device according to claim 7, wherein the active diameter adjusting mechanism comprises a fixed angle piece, two fixed blocks installed below the fixed angle piece, an active diameter adjusting rod penetrating through the fixed blocks, two fixed knobs sleeved at two ends of the active diameter adjusting rod, and two butterfly nuts engaged with the two fixed knobs, wherein threads are arranged on the surface of the active diameter adjusting rod, and two wheel brackets located below the same end of the two excitation source mechanisms respectively form revolute pairs with the two fixed knobs through the butterfly nuts.
9. The wireless remote control pipeline magnetic flux leakage detection device according to claim 8, wherein the driven diameter adjusting mechanism comprises a fixed angle piece, two fixed blocks installed below the fixed angle piece, a driven diameter adjusting rod penetrating through the fixed blocks, two fixed knobs sleeved at two ends of the driven diameter adjusting rod, and two butterfly nuts matched with the two fixed knobs, the surface of the driven diameter adjusting rod is smooth, and two wheel supports located below the other ends of the two excitation source mechanisms respectively form a revolute pair with the two fixed knobs through the butterfly nuts.
10. The wireless remote control pipeline magnetic flux leakage detection device of claim 9, wherein the fixed corner fittings comprise a transverse plate connected with the fixed block through bolts, a vertical plate vertically connected with the transverse plate and a corner plate connected with the transverse plate and a vertical plate included angle, and the vertical plates of the driving diameter adjusting mechanism and the driven diameter adjusting mechanism are both installed on the outer wall of the box body of the electric control module through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367665.XU CN213933685U (en) | 2020-10-22 | 2020-10-22 | Wireless remote control pipeline magnetic flux leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022367665.XU CN213933685U (en) | 2020-10-22 | 2020-10-22 | Wireless remote control pipeline magnetic flux leakage detection device |
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| Publication Number | Publication Date |
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| CN213933685U true CN213933685U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022367665.XU Active CN213933685U (en) | 2020-10-22 | 2020-10-22 | Wireless remote control pipeline magnetic flux leakage detection device |
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| CN (1) | CN213933685U (en) |
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- 2020-10-22 CN CN202022367665.XU patent/CN213933685U/en active Active
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