Single-column ferromagnetic detection device

By introducing a control mechanism and a spring frustum structure into the single-column ferromagnetic detection device, the problem of the sensor being unable to align with the optimal magnetic field direction was solved, enabling flexible adjustment of the sensor angle and improving detection sensitivity and coverage.

CN223857417UActive Publication Date: 2026-01-30ZHONGMAX MICROELECTRONICS (HEBEI) TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520531164.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-01-30
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

In existing single-column ferromagnetic detection devices, the sensor cannot be aligned with the optimal magnetic field direction of the target, resulting in signal weakening or complete missed detection.

Method used

A single-column ferromagnetic detection device was designed. By setting a control mechanism inside the main shell, the tilt angle of the sensor is adjusted by using a spring and a frustum structure, allowing manual adjustment of the sensor angle to adapt to the optimal magnetic field direction.

Benefits of technology

This allows for flexible adjustment of the sensor angle, improving detection sensitivity and coverage, and ensuring detection stability and accuracy.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223857417U_ABST
    Figure CN223857417U_ABST
Patent Text Reader

Abstract

The utility model relates to a single column type ferromagnetic detection device which comprises a main shell and a control mechanism, the main shell is disassembled, the inclination angle of a sensor is adjusted according to the actual situation requirement so as to adapt to the optimal magnetic induction direction and the initial state, the annular wall of a circular truncated cone abuts against a circular truncated cone groove through a spring, and the closing end of the circular truncated cone is manually pressed. The circular truncated cone is further rotated, the circular truncated cone drives the sensor to rotate through the supporting rod, and then the inclination angle of the sensor is adjusted. The spring provides reverse acting force, so that the circular truncated cone ring wall and the circular truncated cone groove are kept abutting in a non-adjusting state, and stability is ensured. After the closing end of the circular truncated cone is pressed to release locking of the annular wall and the groove, the supporting rod can be freely rotated to drive the sensor to be adjusted to the optimal magnetic induction direction. According to different detection scenes, the orientation of the sensor can be quickly adjusted, and the detection sensitivity and the coverage range are optimized.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to ferromagnetic detection technical field, concretely relates to a single column type ferromagnetic detection device. BACKGROUND

[0002] Single column type ferromagnetic detection device is mainly used for detecting whether personnel and goods carry ferromagnetic material, is usually installed in MRI examination room entrance, dressing room etc. position, ensures that all the personnel and goods of entering examination room can pass through detection, single column type ferromagnetic detection device can help medical staff to discover and handle potential safety hazard in time, guarantees the life safety of patient and medical staff. However, the magnetic field distribution of ferromagnetic object has directionality, the sensor in the single column type ferromagnetic detection device of prior art can not be aligned with the best magnetic induction direction of target, can lead to signal weakening or complete missed detection. A single column type ferromagnetic detection device that can adjust the angle of sensor is urgently needed. SUMMARY

[0003] The utility model discloses a single column type ferromagnetic detection device, to solve the magnetic field distribution of ferromagnetic object in prior art has directionality, the sensor in the single column type ferromagnetic detection device of prior art can not be aligned with the best magnetic induction direction of target, can lead to signal weakening or complete missed detection Problem.

[0004] In order to complete above-mentioned purpose, the utility model provides a single column type ferromagnetic detection device, including main casing and control mechanism,

[0005] Control mechanism is arranged in main casing,

[0006] Control mechanism includes frame, installation cylinder, circular table and spring,

[0007] Frame is fixedly connected with the inner wall of main casing, and the open end of installation cylinder is fixed on frame, and the closed end is coaxially arranged with the perforation,

[0008] Installation cylinder has circular table groove, and circular table groove is coaxial with perforation and is communicated, the flared end of circular table is arranged in circular table groove, and the closed end is arranged with support rod and is inclined to set up support rod, and sensor is arranged on support rod,

[0009] One end of spring is fixedly connected with the flared end of circular table, and the other end is abutted with frame,

[0010] Wherein, the ring wall of circular table can abut with circular table groove.

[0011] Preferably, main casing is in strip shape.

[0012] Preferably, frame includes main frame, installation pipe and flange fixedly set in one end of installation pipe,

[0013] The flange is fixedly arranged on the main frame, the main frame is fixedly connected with the main shell, and an outer thread is arranged on the outer wall of the installation pipe in a circumferential direction;

[0014] An inner thread is arranged on the inner wall of the open end of the installation cylinder in a circumferential direction, and the inner thread is screwed with the outer thread.

[0015] Preferably, the control mechanism further comprises a pressing disc and a connecting piece;

[0016] The circular pressing disc is coaxially connected with the closed end of the circular table;

[0017] The connecting piece comprises two vertically arranged vertical plates, and one end of the two vertical plates is fixedly provided with a mounting plate, and the mounting plate is fixedly connected with the pressing disc;

[0018] One end of the supporting rod is rotatably arranged between the two vertical plates through a rotating shaft, and the other end is detachably provided with a sensor;

[0019] Any vertical plate is provided with a threaded hole, the threaded hole is screwed with a butterfly bolt, and the butterfly bolt abuts against the supporting rod.

[0020] Preferably, any vertical plate is provided with a plurality of threaded holes along the length direction of the main shell, and the butterfly bolt is screwed with any threaded hole.

[0021] Preferably, a plurality of control mechanisms are arranged in the length direction of the main shell.

[0022] Preferably, the main shell comprises a U-shaped shell and a U-shaped bottom plate;

[0023] Two supporting plates are oppositely arranged at two ends of the U-shaped shell, and an L-shaped plate is fixedly arranged on each supporting plate, and the L-shaped plate and the supporting plate form an insertion slot;

[0024] Two ear plates are fixedly arranged at two ends of the U-shaped bottom plate, and the two ear plates are respectively inserted into the two insertion slots in one-to-one correspondence.

[0025] Preferably, a plurality of strip-shaped slots are arranged in the length direction of the U-shaped shell, and the strip-shaped slots are embedded with LED light strips.

[0026] Preferably, the main shell further comprises two top caps, and the two top caps are respectively arranged at two ends of the U-shaped shell, each top cap has two insertion plates, and the two insertion plates are respectively inserted into the two insertion slots in one-to-one correspondence.

[0027] Preferably, the sensor is a Hall effect sensor, a magnetoresistance sensor or a coil type sensor.

[0028] The above scheme has the following beneficial effects:

[0029] The main shell is disassembled, and the inclination angle of the sensor is adjusted according to actual situation requirements to adapt to the optimal magnetic sensing direction. The sensor is adjusted in the following way: in the initial state, the ring wall of the circular table abuts against the circular table groove through the spring, the closed end of the circular table is manually pressed, so that the ring wall of the circular table is no longer in contact with the circular table groove, the circular table is further rotated, the circular table drives the sensor to rotate through the supporting rod, and then the inclination angle of the sensor is adjusted. The main shell is assembled and installed at the entrance of an MRI examination room or a dressing room. The new type has the advantages that the spring provides a reverse force, so that the ring wall of the circular table abuts against the circular table groove in the non-adjusting state, and stability is ensured. After the closed end of the circular table is pressed to release the locking of the ring wall and the groove, the supporting rod can be freely rotated to drive the sensor to be adjusted to the optimal magnetic sensing direction. BRIEF DESCRIPTION OF DRAWINGS

[0030] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0031] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0032] Figure 2 It is the explosion state structure schematic diagram of the utility model;

[0033] Figure 3 It is the three-dimensional structure schematic diagram of the utility model without U-shaped shell;

[0034] Figure 4 It is the control mechanism structure schematic diagram of the utility model;

[0035] Figure 5 It is the three-dimensional structure schematic diagram of the utility model in part cutaway state;

[0036] Figure 6 It is the three-dimensional structure schematic diagram of the utility model top hat.

[0037] Explanation of reference signs

[0038] 1, main shell;11, U-shaped shell;12, U-shaped bottom plate;13, support plate;14, L-shaped plate;15, plug-in slot;120, ear plate;110, strip slot;16, top hat;161, plug-in plate;

[0039] 2, control mechanism;21, rack;22, mounting cylinder;23, circular table;24, spring;220, perforation;221, circular table groove;25, pressing disc;26, connecting piece;261, vertical plate;262, mounting plate;263, rotating shaft;264, screw hole;265, butterfly bolt;210, main frame;211, mounting pipe;212, flange;

[0040] 3, supporting rod;

[0041] 4, sensor. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below. Example

[0043] like Figures 1-6 As shown, this embodiment provides a single-column ferromagnetic detection device, including a main housing 1 and a control mechanism 2. The main housing 1 is elongated. Multiple control mechanisms 2 are arranged along the length of the main housing 1. Each control mechanism 2 includes a frame 21, a mounting cylinder 22, a frustum 23, and a spring 24. Figure 3 , Figure 4 As shown, the frame 21 includes a main frame 210, a mounting tube 211, and a flange 212 fixedly sleeved on one end of the mounting tube 211. The flange 212 is fixedly mounted on the main frame 210, which is fixedly connected to the main housing 1. The mounting tube 211 has external threads (not shown) on its outer circumference. The open end of the mounting cylinder 22 has internal threads (not shown) on its inner circumference, which are screwed together with the external threads, allowing the spring 24 and the flared end of the frustum 23 to be installed inside the mounting cylinder 22. The frame 21 is fixedly connected to the inner wall of the main housing 1, and the closed end of the mounting cylinder 22 has a coaxial through hole 220. Figure 4 As shown, the mounting cylinder 22 has a frustum groove 221, which is coaxial with and connected to the through hole 220. The flared end of the frustum 23 is located in the frustum groove 221, and the constricted end of the frustum 23 protrudes through the through hole 220. A support rod 3 is inclinedly mounted on the support rod 3. The sensor 4 can be a Hall effect sensor, a magnetoresistive sensor, or a coil sensor. One end of the spring 24 is fixedly connected to the flared end of the frustum 23, and the other end abuts against the frame 21. The annular wall of the frustum 23 can abut against the frustum groove 221.

[0044] The main shell 1 is disassembled, and the sensor inclination angle is adjusted according to the actual situation and demand to adapt to the best magnetic induction direction. The adjustment mode is as follows: in the initial state, the ring wall of the circular table 23 is abutted against the circular table groove 221 through the spring 24, the closed end of the circular table 23 is manually pressed, so that the ring wall of the circular table 23 is no longer in contact with the circular table groove 221, the circular table 23 is further rotated, the circular table 23 drives the sensor to rotate through the support rod 3, and then the inclination angle of the sensor 4 is adjusted. The main shell 1 is assembled and installed at the entrance of the MRI examination room or the dressing room. The new type has the advantages that the spring 24 provides a reverse force, so that the ring wall of the circular table 23 and the circular table groove 221 are abutted against each other in a non-adjusted state, and the stability is ensured. After the closed end of the circular table 23 is pressed to release the locking of the ring wall and the groove, the support rod 3 can be freely rotated to drive the sensor to be adjusted to the best magnetic induction direction. According to different detection scenes, the sensor direction can be quickly adjusted, and the detection sensitivity and coverage range are optimized.

[0045] As shown in Figure 3 、 Figure 4 , the control mechanism 2 further includes a pressing disc 25 and a connecting piece 26. The circular pressing disc 25 is coaxially connected with the closed end of the circular table 23. The connecting piece 26 includes two vertically arranged vertical plates 261, one end of the two vertical plates 261 is fixedly provided with a mounting plate 262, and the mounting plate 262 is fixedly connected with the pressing disc 25. One end of the support rod 3 is rotatably arranged between the two vertical plates 261 through a rotating shaft 263, and the other end of the support rod 3 is detachably provided with the sensor 4. Any vertical plate 261 is provided with a threaded hole 264, the threaded hole 264 is screwed with a butterfly bolt 265, and the butterfly bolt 265 is abutted against the support rod 3. Any vertical plate 261 is provided with a plurality of threaded holes 264 along the length direction of the main shell 1, and the butterfly bolt 265 is screwed with any threaded hole 264. The butterfly bolt 265 is abutted against the support rod 3, which can fix the inclination angle of the support rod. When it is necessary to adjust the inclination angle of the sensor to adapt to the best magnetic induction direction, the butterfly bolt 265 is no longer abutted against the support rod 3, the support rod 3 is rotated, the support rod 3 is rotated around the rotating shaft 263, and after the inclination angle of the sensor 4 is adjusted, the butterfly bolt 265 is abutted against the support rod 3, wherein one of the plurality of threaded holes 264 distributed along the length direction of the vertical plate 261. The butterfly bolt 265 is screwed into the selected threaded hole 264 until the end of the bolt is tightly abutted against the surface of the support rod 3.

[0046] As shown in Figure 2 、 Figure 5 、 Figure 6As shown, the main shell 1 comprises a U-shaped shell 11 and a U-shaped bottom plate 12. Two support plates 13 are oppositely arranged at two ends of the U-shaped shell 11, and an L-shaped plate 14 is fixedly arranged on each support plate 13, and the L-shaped plate 14 and the support plate 13 form an inserting slot 15. Two lug plates 120 are fixedly arranged at two ends of the U-shaped bottom plate 12, and the two lug plates 120 are respectively inserted into the two inserting slots 15 one by one. The two lug plates 120 are respectively arranged in the two inserting slots 15, so that the U-shaped shell 11 and the U-shaped bottom plate 12 can be quickly assembled. A plurality of strip-shaped slots 110 are formed in the U-shaped shell 11 along the length direction of the U-shaped shell 11, and the strip-shaped slots 110 are embedded with LED light bars. The present application uses the LED light bar in the prior art, so no more description is made. The model of the LED light bar can be RGB light strip or RGBW light strip. The main shell 1 further comprises two top caps 16, and the two top caps 16 are respectively arranged at two ends of the U-shaped shell 11. Each top cap 16 has two plug-in plates 161, and the two plug-in plates 161 are respectively inserted into the two inserting slots 15 one by one.

[0047] Obviously, the embodiments described are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

Claims

1. A single column ferromagnetic detection device, characterized in that, The utility model relates to a control mechanism for LED lamp strip, which comprises a main shell, a control mechanism arranged in the main shell, a mounting cylinder, a circular table and a spring. The utility model relates to a control mechanism for LED lamp strip, which comprises a main shell, a control mechanism arranged in the main shell, a mounting cylinder, a circular table and a spring. The mounting cylinder is fixedly arranged on the rack, and the closed end of the mounting cylinder is coaxially provided with a through hole. The mounting cylinder is provided with a circular table groove, which is coaxial with the through hole and communicates with the through hole. The circular table is fixedly connected with the rack at one end and abuts against the rack at the other end. The circular table is fixedly connected with the rack at one end and abuts against the rack at the other end. The main shell is in the shape of a long strip.

2. The single column ferromagnetic detection apparatus of claim 1, wherein, The rack comprises a main rack, a mounting pipe and a flange fixedly arranged at one end of the mounting pipe.

3. The single column ferromagnetic detection apparatus of claim 1, wherein, The flange is fixedly arranged on the main rack, and the main rack is fixedly connected with the main shell. The inner wall of the open end of the mounting cylinder is circumferentially provided with internal threads, which are screwed with the external threads. The control mechanism further comprises a pressing disc and a connecting piece.

4. The single column ferromagnetic detection apparatus of claim 1, wherein, The pressing disc is coaxially connected with the closed end of the circular table. The connecting piece comprises two vertically arranged vertical plates, and one end of each vertical plate is fixedly arranged with a mounting plate. One end of the support rod is rotatably arranged between the two vertical plates through a rotating shaft, and the other end is detachably arranged with the sensor. Any vertical plate is provided with a threaded hole, and the threaded hole is screwed with a butterfly bolt, which abuts against the support rod. Any vertical plate is provided with a threaded hole, and the threaded hole is screwed with a butterfly bolt, which abuts against the support rod.

5. The single column ferromagnetic detection apparatus of claim 4, wherein, The main shell is provided with a plurality of control mechanisms along the length direction of the main shell.

6. Single column ferromagnetic detection device according to any one of claims 1 to 5, characterized in that, The main shell comprises a U-shaped shell and a U-shaped bottom plate.

7. The single column ferromagnetic detection apparatus of claim 1, wherein, The two ends of the U-shaped shell are oppositely provided with two support plates, and each support plate is fixedly provided with an L-shaped plate. The two ends of the U-shaped bottom plate are fixedly provided with two ear plates, and the two ear plates are respectively inserted into the two insertion grooves. The U-shaped shell is provided with a plurality of strip grooves along the length direction of the U-shaped shell, and the strip grooves are embedded with LED light strips.

8. The single column ferromagnetic detection apparatus of claim 7, wherein, The main shell further comprises two top caps, and the two top caps are respectively arranged at the two ends of the U-shaped shell.

9. The single column ferromagnetic detection apparatus of claim 7, wherein, The sensor is a Hall effect sensor, a magnetoresistance sensor or a coil sensor.

10. The single column ferromagnetic detection apparatus of claim 1, wherein, ​