CN214201649U

CN214201649U - Automatic electromagnetic compatibility detection device for cable

Info

Publication number: CN214201649U
Application number: CN202120126592.7U
Authority: CN
Inventors: 刘萌; 李庆雨; 朱成科; 张敏; 张淑溢; 朱明健
Original assignee: Shandong Quality Inspection Center for Medical Devices
Current assignee: Shandong Quality Inspection Center for Medical Devices
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-14
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses an automatic electromagnetic compatibility detection device of cable belongs to medical instrument inspection technical field, and its structure includes the support, install linear guide on the support, linear guide's both ends are provided with cable fixing device respectively, the last probe fixing device that is provided with of linear guide, probe fixing device can follow linear guide and remove. The utility model discloses an automatic electromagnetic compatibility detection device of cable, be provided with the fixed cable that waits to detect that cable fixing device can be convenient, after current monitoring pincers are fixed to probe fixing device on, probe fixing device can drive current monitoring pincers and remove along linear guide, make and keep fixed distance between current monitoring pincers and the cable to scan, realize current monitoring pincers to the accurate location of cable, replace the manual handheld cable to scan, and do not rely on the anechoic condition, the detection efficiency is improved, the detection cost is reduced.

Description

Automatic electromagnetic compatibility detection device for cable

Technical Field

The utility model belongs to the technical field of the medical instrument inspection technique and specifically relates to an automatic electromagnetic compatibility detection device of cable that especially relates to electromagnetic compatibility's detection.

Background

The cable is arranged on automatic and intelligent medical equipment to ensure the transmission of power supply and signals, the medical equipment is an important field which is concerned with life safety of people, and the electromagnetic compatibility test is required when the cable is applied to the medical equipment to ensure that the level of radiation emission meets the requirement.

At present, when a radiation emission test in a cable electromagnetic compatibility test is performed, the following operation modes are generally adopted: after fixing the current monitoring pincers, the operating personnel hold the cable to scan, carry out the affirmation of risk point. The operation mode has high labor intensity and low efficiency. Meanwhile, if the sample is unqualified once, the sample needs to be tested again after rectification and the sample cannot pass through the sample, so that the normal use efficiency of a laboratory is greatly reduced through repeated rectification and testing, and the normal inspection period of the sample is prolonged.

The problems of high test failure rate, difficult rectification, high retest rate, long test time and the like of radiation emission always exist in the electromagnetic compatibility detection of active medical instruments, and how to improve the test efficiency is always the key direction for the research of vast testers. At present, the method capable of effectively improving the radiation emission testing efficiency is mainly used for testing in a darkroom by using an antenna tower, and the pre-scanning time can be shortened. However, the darkroom is expensive in both field and inside equipment, which greatly increases the detection cost, so that the darkroom has great limitation in popularization and use.

Based on the above situation, how to shorten the time required by the radiation emission test of the cable, improve the detection efficiency, and reduce the detection cost is a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the prior art, the utility model aims to provide an automatic electromagnetic compatibility detection device of cable, this testing arrangement does not rely on the anechoic chamber condition, has improved detection efficiency, has reduced the detection cost.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides an automatic electromagnetic compatibility detection device of cable, which comprises a bracket, install linear guide on the support, linear guide's both ends are provided with cable fixing device respectively, the last probe fixing device that is provided with of linear guide, probe fixing device can follow linear guide and remove.

Further, the central lines of the cable fixing device and the probe fixing device are located on the same straight line.

Further, be provided with the hold-in range module on the linear guide, probe fixing device installs hold-in range module is last, and follow under the drive of hold-in range module the linear guide removes.

Furthermore, the supports are symmetrically provided with two groups, and each group of supports respectively corresponds to one end of the linear guide rail and supports the linear guide rail.

Furthermore, every group the support includes two montants and two horizontal poles, and two montants and two horizontal poles constitute rectangular frame, and two montants are outstanding to form the supporting legs below the horizontal pole in the bottom.

Furthermore, the bottom of the supporting leg is provided with a brake universal wheel.

Furthermore, a reinforcing rib plate is arranged between the cross rod and the vertical rod at the lower part.

Further, the cable fixing device comprises an L-shaped fixing plate, and a through hole for fixing the cable is formed in the longitudinal portion of the L-shaped fixing plate.

Further, probe fixing device includes stationary blade, fixed block and slider, the stationary blade is installed on linear guide, fixed block fixed mounting is on the surface of stationary blade, the slider is provided with two at least, and slider movable mounting is provided with the spout with fixed block looks adaptation on the outside of fixed block and the slider.

Furthermore, the fixed piece is provided with a guide groove, the guide groove is located on two sides of the fixed piece, the sliding block is connected in the guide groove through a bolt, and the sliding block can slide along the guide groove and is positioned through the bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the automatic electromagnetic compatibility detection device of cable of example, be provided with cable fixing device and probe fixing device on the support, the both ends that will wait to detect the cable are fixed respectively on the cable fixing device at linear guide both ends after, the cable that waits to detect can stretch out and be parallel with linear guide, install current monitoring pincers on probe fixing device, probe fixing device drives current monitoring pincers and removes along linear guide, can make current monitoring pincers and cable keep fixed distance to scan, realize the accurate location of current monitoring pincers to the cable, the biggest part of final definite electromagnetic wave transmission, replace present people to scan or place whole equipment to the darkroom for handheld cable, scan through the antenna, practice thrift the place, reduce cost, economic benefits has been improved, the degree of accuracy is improved simultaneously.

2. The utility model discloses the automatic electromagnetic compatibility detection device of cable, cable fixing device and probe fixing device's central line are located same straight line, and the cable of being convenient for passes annular current monitoring pincers of circle, and it is more convenient to use.

3. The utility model discloses the automatic electromagnetic compatibility detection device of cable, the support symmetry sets up two sets ofly, is connected with the horizontal pole between the montant of the same group's support, is located to be provided with the reinforced rib board between horizontal pole and the montant of lower part, and whole device steadiness is good, and the bottom of support is provided with the brake universal wheel, can reach convenient removal, can be reliable fixed again, and convenient to use is laborsaving.

4. The automatic electromagnetic compatibility detection device for the cable, which is exemplified by the utility model, has the advantages that the probe fixing device fixes the current monitoring clamp through the slider, can adapt to the current monitoring clamps of different models, and has convenient operation and wide application range; the main body of the cable fixing device is an L-shaped fixing plate, and the cable fixing device is very simple in structure, low in cost and convenient to operate.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a side view of an embodiment of the present invention;

fig. 3 is a top view of an embodiment of the present invention;

fig. 4 is a schematic structural view of a probe fixing device in an embodiment of the present invention;

fig. 5 is a schematic structural view of the cable fixing device according to an embodiment of the present invention.

In the figure: 1-bracket, 2-linear guide rail, 3-probe fixing device, 31-fixing piece, 32-fixing piece, 33-sliding block, 34-guide groove, 4-cable fixing device, 41-fixing piece, 42-through hole, 43-fixing hole, 5-brake universal wheel and 6-reinforcing rib plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

As shown in fig. 1-3, the present embodiment provides an automatic electromagnetic compatibility detection apparatus for a cable, including a support 1, a linear guide 2 is installed on the support 1, cable fixing devices 4 are respectively disposed at two ends of the linear guide 2, a probe fixing device 3 is disposed on the linear guide 2, and the probe fixing device 3 can move along the linear guide 2.

In order to ensure the stability of the device, in this embodiment, the supports 1 are symmetrically provided with two sets, and each set of the supports 1 corresponds to one end of the linear guide rail 2 respectively, and supports the linear guide rail 2. Every group support 1 includes two montants and two horizontal poles, and two montants and two horizontal poles constitute rectangular frame, have both guaranteed support 1's steadiness, make support 1 relatively light again. The bottom ends of the two vertical rods protrude below the cross rod to form supporting legs, and optionally, the bottom of each supporting leg is provided with a brake universal wheel 5. The brake universal wheel 5 is a product in the prior art, is widely applied to devices such as shopping carts, baby strollers and the like, and can be purchased from the market directly.

For the stability of reinforcing support 1, be located and be provided with reinforcing floor 6 between horizontal pole and the montant of lower part, reinforcing floor 6 generally sets up to triangle-shaped, also can replace with the down tube, but this shape does not constitute right the utility model discloses a restriction, the reinforcing floor that also can set up to other shapes. In addition, in other embodiments, the brake casters 5 at the bottom of the frame 1 may be omitted if the device is not required to be moved as often.

The support 1 is arranged into a rectangular frame, so that the stability of the support 1 is guaranteed, and the support is portable. The material of the bracket 1 can be made of 304 stainless steel.

In this embodiment, the removal of probe fixing device 3 along linear guide 2 is driven through the hold-in range module, and is concrete, the last hold-in range module that is provided with of linear guide 2, probe fixing device 3 installs on the hold-in range module, and follow under the drive of hold-in range module linear guide 2 removes.

The mode that drive probe fixing device 3 removed is not limited to the mode described in this embodiment, still can adopt ball to drive, for example, set up ball's screw rod into being parallel with linear guide 2, with ball's nut and probe fixing device 3 fixed connection, drive the screw rod through the motor and rotate, under screw drive's effect, the rotary motion of screw rod turns into the rectilinear movement of nut, drives probe fixing device 3 through the nut and removes along linear guide 2.

In this embodiment, the center lines of the cable fixing device 4 and the probe fixing device 3 are located on the same straight line. The detection cable generally adopts current monitoring pincers, is provided with the loop configuration on the current monitoring pincers, and the cable passes from the centre bore of loop configuration on the current monitoring pincers to scan in the testing process, sets up cable fixing device 4 and probe fixing device 3's central line on same straight line, the arrangement of the current monitoring pincers of being convenient for the cable can pass from the centre bore of current monitoring pincers just, convenient operation, rate of accuracy height.

If the cable is scanned by adopting other types of probes under special conditions, the probe fixing device 3 can also be arranged at one side of the connecting line of the two cable fixing devices 4, and the probe is fixed at one side of the cable to scan the cable.

As shown in fig. 4, the probe fixing device 3 of the present embodiment includes a fixing plate 31, a fixing block 32, and a sliding block 33, wherein the fixing plate 31 is installed on the linear guide 2, the fixing block 32 is fixedly installed on the surface of the fixing plate 31, the sliding block 33 is provided with at least two, the sliding block 33 is movably installed on the outer side of the fixing block 32, and a sliding groove matched with the fixing block 32 is provided on the sliding block 33. Specifically, install stationary blade 31 on linear guide 2's hold-in range module or on ball's the nut, fixed block 32 passes through screw and mounting hole fixed mounting on stationary blade 31, and slider 33 covers in the outside of fixed block 32 and passes through bolted connection in guide way 34, and slider 33 can slide and pass through the bolt location along guide way 34, and the current monitoring pincers press from both sides tightly and fix through two sliders 33.

As shown in fig. 5, the cable fixing device 4 of the present embodiment includes an L-shaped fixing plate 41, and a longitudinal portion of the L-shaped fixing plate 41 is provided with a through hole 42 for fixing a cable. The transverse part of the L-shaped fixing plate 41 is used for being fixedly connected with the support 1, fixing holes 43 are respectively formed above and on two sides of the through hole 42, when the device is used, screws are respectively installed in the fixing holes 43, and after the end portion of the cable to be detected penetrates through the through hole 42, the cable to be detected is clamped and fixed through the screws in the three fixing holes 43.

In order to avoid electromagnetic interference, the probe fixing device 3 is made of non-metal materials, for example, ABS plastic can be adopted, and electric equipment such as a motor on the device needs to be shielded and protected.

To facilitate an understanding of the present invention, it is further described below in connection with a use process:

when the device is used, the current monitoring clamp is fixed on the probe fixing device 3, two ends of a cable to be detected are respectively fixed on the cable fixing devices 4 at two ends of the linear guide rail 2, the current monitoring clamp is provided with an annular structure, the middle part of the cable to be detected penetrates through a central hole of the annular structure of the current monitoring clamp, the current monitoring clamp is driven to move by the movement of the probe fixing device 3 on the linear guide rail 2, the cable to be detected is scanned, and the part with the largest electromagnetic wave emission is determined.

Current monitoring pincers move under probe fixing device 3's drive, can be along 2 steady movements of linear guide, current monitoring pincers with wait to detect interval between the cable fixed, simultaneously can be convenient control moving speed's invariant, realize current monitoring pincers to take the accurate location of detecting the cable, the biggest module of final definite transmission, replace present artificial handheld cable to scan or place whole equipment to the darkroom, through the biggest part of electromagnetic wave transmission, do not rely on the darkroom environment, practice thrift the place, therefore, the carrier wave prepaid electric energy meter is low in cost, economic benefits is improved, the degree of accuracy is improved simultaneously.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. The utility model provides an automatic electromagnetic compatibility detection device of cable, its characterized in that, includes the support, install linear guide on the support, linear guide's both ends are provided with cable fixing device respectively, the last probe fixing device that is provided with of linear guide, probe fixing device can follow the linear guide and remove.

2. The apparatus according to claim 1, wherein the centerlines of the cable fixture and the probe fixture are located on a same straight line.

3. The automatic electromagnetic compatibility detection device for the cable according to claim 1 or 2, wherein a synchronous belt module is disposed on the linear guide rail, and the probe fixing device is mounted on the synchronous belt module and driven by the synchronous belt module to move along the linear guide rail.

4. The automatic electromagnetic compatibility detection device for the cable according to claim 1, wherein the brackets are symmetrically provided in two groups, and each group of brackets corresponds to one end of the linear guide rail and supports the linear guide rail.

5. The automatic electromagnetic compatibility detection device of cable of claim 4, characterized in that each set of said support comprises two vertical bars and two cross bars, the two vertical bars and the two cross bars forming a rectangular frame, the two vertical bars protruding below the cross bars at the bottom end forming support feet.

6. The automatic electromagnetic compatibility detection device of cable of claim 5, characterized in that the bottom of the supporting foot is provided with a brake universal wheel.

7. The automatic electromagnetic compatibility detection device of claim 5 or 6, characterized in that a reinforcing rib is arranged between the cross bar and the vertical bar at the lower part.

8. The automatic electromagnetic compatibility detecting device for a cable according to claim 1, wherein said cable fixing device includes an L-shaped fixing plate, a longitudinal portion of which is provided with a through hole for fixing the cable.

9. The automatic electromagnetic compatibility detection device of a cable according to claim 1, wherein the probe fixing device comprises a fixing piece, a fixing piece and at least two sliding blocks, the fixing piece is installed on the linear guide rail, the fixing piece is fixedly installed on the surface of the fixing piece, the sliding blocks are movably installed on the outer side of the fixing piece, and sliding grooves matched with the fixing piece are formed in the sliding blocks.

10. The automatic electromagnetic compatibility detection device for the cable according to claim 9, wherein the fixing piece is provided with guide grooves, the guide grooves are located on two sides of the fixing piece, the sliding block is connected in the guide grooves through bolts, and the sliding block can slide along the guide grooves and is positioned through the bolts.