CN213871928U

CN213871928U - Support for electromagnetic compatibility test

Info

Publication number: CN213871928U
Application number: CN202121489768.1U
Authority: CN
Inventors: 姬中亮; 李道刚; 吴文彬; 张军; 智强
Original assignee: Lizhen Technology Kunshan Co ltd
Current assignee: Lizhen Technology Kunshan Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-08-03
Anticipated expiration: 2031-07-02

Abstract

The utility model belongs to the technical field of electromagnetic compatibility testing, and discloses a support for electromagnetic compatibility testing, which comprises a placing part, a first sucker and a plurality of supporting legs, wherein the placing part is used for placing a piece to be tested; the supporting legs are connected to the placing part in an angle mode and used for supporting the placing part, and the placing part is connected to the supporting legs in a sliding mode along the axial direction of the supporting legs; the bottom end of at least one landing leg is provided with first sucking disc. The position height of the placing part can be adjusted so as to adjust the position height of the piece to be tested; be provided with first sucking disc in the bottom of landing leg, first sucking disc can adsorb on detecting the desktop steadily to this support is used in electromagnetic compatibility test has been improved and has been detected the stability of placing on the desktop. Therefore, the utility model provides a support is used in electromagnetic compatibility test can be stable be fixed in and detect the desktop, can the adjusting position height moreover to improve the convenience of test operation.

Description

Support for electromagnetic compatibility test

Technical Field

The utility model belongs to the technical field of the electromagnetic compatibility test, especially, relate to a support is used in electromagnetic compatibility test.

Background

EMC test is also called electromagnetic compatibility, refers to the comprehensive evaluation of the interference magnitude and the anti-interference capability of electronic products in the aspect of electromagnetic fields, and is one of the most important indexes of product quality.

At present, the existing support for electromagnetic compatibility test has the following defects:

1. the shielding area of the support on the back of the tested equipment is large, so that the test result is inaccurate;

2. the bottom of the bracket is mostly a closed plane, the blocking area of the bottom of the tested equipment is large, and the plugging and unplugging of the interface wire rod are inconvenient;

3. the stability of the bracket is poor, and the bracket is easy to topple;

4. the placing height can not be adjusted, so that the operation is very inconvenient;

5. the material is usually a metal part, and the radiation permeability is not considered.

Therefore, a support for electromagnetic compatibility testing is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support is used in electromagnetic compatibility test, can be stable be fixed in the detection desktop, can the adjusting position height moreover to improve the convenience of test operation.

To achieve the purpose, the utility model adopts the following technical proposal:

a mount for electromagnetic compatibility testing, comprising:

the placing part is used for placing a piece to be tested;

a plurality of legs connected to the placing portion at an angle for supporting the placing portion, the placing portion being slidably connected to the legs along an axial direction of the legs;

the bottom end of at least one of the supporting legs is provided with the first sucking disc.

Preferably, the placing part comprises at least two placing arms, each placing arm is connected with at least two supporting legs, a plurality of placing arms are positioned in the same plane, and any two placing arms are arranged at intervals.

Preferably, the placing arm is rotatably connected to the leg about an axial direction of the leg.

Preferably, the placing part further comprises an arc-shaped strip, angle scales are arranged on the arc-shaped strip, one end of the arc-shaped strip is connected to the placing arm, the other end of the arc-shaped strip is a free end, and the supporting leg which is connected with the placing arm in a switching mode passes through the circle center of the arc-shaped strip and is perpendicular to the plane where the arc-shaped strip is located.

Preferably, adjacent support legs are connected through a connecting rod to form a blocking frame, and a part of the blocking frame is located above the placing part.

Preferably, the number of the support legs is four, and two adjacent support legs form the blocking frame through the connecting rods.

Preferably, the placing part is provided with a limiting block, and the distance between the limiting block and the blocking frame is adjustable.

Preferably, the limiting block is connected to the placing part in a sliding mode, and an included angle is formed between the sliding direction of the limiting block and the plane where the blocking frame is located.

Preferably, the support leg further comprises a base and a second suction cup, the bottom end of at least one support leg is connected to the top of the base, and the second suction cup is arranged at the bottom of the base.

Preferably, the legs comprise telescopic rods.

The utility model has the advantages that:

the utility model provides a support for electromagnetic compatibility test, which comprises a supporting leg for supporting a placing part for placing a piece to be tested, wherein the position height of the placing part can be adjusted so as to adjust the position height of the piece to be tested; be provided with first sucking disc in the bottom of landing leg, first sucking disc can adsorb on detecting the desktop steadily to this support is used in electromagnetic compatibility test has been improved and has been detected the stability of placing on the desktop. Therefore, the utility model provides a support is used in electromagnetic compatibility test can be stable be fixed in and detect the desktop, can the adjusting position height moreover to improve the convenience of test operation.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle of a support for an electromagnetic compatibility test according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of the support for electromagnetic compatibility testing according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the work of the support for electromagnetic compatibility test according to the embodiment of the present invention.

In the figure:

100. a mobile phone;

1. a placement section; 2. a support leg; 3. a first suction cup; 4. a connecting rod; 5. a blocking frame; 6. a limiting block; 7. a base; 8. a slide rail; 9. a second suction cup; 11. placing an arm; 12. a circular arc-shaped strip.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "mounted" are to be construed broadly and can include, for example, a mounted connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediary, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present embodiment provides a support for an electromagnetic compatibility test, which includes a placing portion 1, a first suction cup 3 and a plurality of support legs 2, wherein the placing portion 1 is used for placing a test object; the supporting legs 2 are connected to the placing part 1 in an angle mode, the supporting legs 2 are used for supporting the placing part 1, and the placing part 1 is connected to the supporting legs 2 in a sliding mode along the axial direction of the supporting legs 2; the bottom end of at least one leg 2 is provided with a first suction cup 3.

The test object may be an electronic product such as a mobile phone or a tablet, and as shown in fig. 3, the mobile phone 100 is placed on the support for electromagnetic compatibility test provided in this embodiment.

In the support for the electromagnetic compatibility test provided by this embodiment, the supporting legs 2 are used for supporting the placing part 1, the placing part 1 is used for placing the mobile phone 100, and the position height of the placing part 1 is adjustable to adjust the position height of the mobile phone 100; be provided with first sucking disc 3 in the bottom of landing leg 2, first sucking disc 3 can adsorb on detecting the desktop steadily to this support is used in electromagnetic compatibility test has been improved and has been detected the stability of placing on the desktop. Therefore, the support for the electromagnetic compatibility test that this embodiment provided can be fixed in stably and detect the desktop, can adjust the position height moreover to improve the convenience of test operation.

In the present embodiment, the support leg 2 is slidably disposed through the placing arm 11, and the position of the placing arm 11 on the support leg 2 is locked by the threaded sleeve.

Specifically, the placing part 1 includes at least two placing arms 11, each placing arm 11 is connected to at least two of the legs 2, the placing arms 11 are located in the same plane, and any two placing arms 11 are arranged at intervals from each other. The placing arms 11 are mutually spaced and coplanar, the mobile phone 100 can be stably placed, and interface wires can be conveniently plugged and pulled through the spacing between the placing arms 11. In this embodiment, the leg 2 is connected perpendicularly to the placing arm 11.

Specifically, the placing arm 11 is connected to the leg 2 to rotate about the axial direction of the leg 2. The arrangement enables the angle between the two placing arms 11 to be adjusted to facilitate placing of different sized handsets 100. In this embodiment, the leg 2 is rotatably disposed through the placing arm 11.

Specifically, the placing part 1 further includes an arc-shaped bar 12, an angle scale is arranged on the arc-shaped bar 12, one end of the arc-shaped bar 12 is connected to the placing arm 11, the other end of the arc-shaped bar 12 is a free end, and the support leg 2 which is connected with the placing arm 11 in a rotating manner passes through the center of the arc-shaped bar 12 and is perpendicular to the plane where the arc-shaped bar 12 is located. The rotation angle of the placing arms 11 can be measured through the arc-shaped strips 12, so that the included angle between the two placing arms 11 can be accurately adjusted.

Specifically, adjacent legs 2 are connected by links 4 to form a barrier frame 5, and a portion of the barrier frame 5 is located above the placing portion 1. The blocking frame 5 serves as a backrest for the mobile phone 100 to lean against, so that stable placement of the mobile phone 100 is facilitated, the blocking area of the blocking frame 5 for the mobile phone 100 is small, blocking of radiation is reduced, and accuracy of detection is improved.

Alternatively, four legs 2 are provided, and two adjacent legs 2 form a baffle frame 5 by connecting rods 4. In this embodiment, four support legs 2 and two placing arms 11 are provided, wherein two adjacent support legs 2 are connected through two connecting rods 4 to form a blocking frame 5, so that the structural strength of the blocking frame 5 is ensured, and the two placing arms 11 are respectively rotatably connected to two ends of the blocking frame 5, so that the two placing arms 11 and the blocking frame 5 can be adjusted in angle. As shown in fig. 1, one of the connecting rods 4 is disposed near the arc-shaped bar 12, and the connecting rod 4 is used as a calibration line, and the angle between the placing arm 11 and the blocking frame 5 is measured by reading the angle between the placing arm 11 and the connecting rod 4 of the arc-shaped bar 12. The mobile phone 100 with different sizes can be placed by adjusting the included angle between the two placing arms 11 and the blocking frame 5.

More specifically, the placing part 1 is provided with a limiting block 6, and the distance between the limiting block 6 and the blocking frame 5 is adjustable. As shown in fig. 3, the mobile phone 100 can be obliquely placed by matching the limiting block 6 with the blocking frame 5, and the oblique angle of the mobile phone 100 can be adjusted by changing the distance between the limiting block 6 and the blocking frame 5, so that the test operation is more accurate and convenient.

Optionally, in other embodiments, a plurality of fixing portions may be disposed at intervals along the length direction of the placing arm 11, the limiting block 6 may be detachably connected to any one of the fixing portions, and the distance between the limiting block 6 and the blocking frame 5 may be adjusted by changing the fixing portion connected to the limiting block 6.

In this embodiment, the limiting block 6 is slidably connected to the placing portion 1, and the sliding direction of the limiting block 6 forms an included angle with the plane where the blocking frame 5 is located. Specifically, place and be provided with slide rail 8 on the arm 11, stopper 6 sliding connection is in slide rail 8, can adjust stopper 6 and keep off the interval of frame 5 through sliding. Specifically, the limiting block 6 is connected with a fastener in a threaded manner, and when the limiting block is adjusted to a proper position, the fastener is screwed, so that the end of the fastener abuts against the sliding rail 8, the position of the limiting block 6 is fixed, and the mobile phone 100 can be abutted against. The fastener is a screw or a bolt.

The support for the electromagnetic compatibility test further comprises a base 7 and a second sucker 9, the bottom end of at least one supporting leg 2 is connected to the top of the base 7, and the second sucker 9 is arranged at the bottom of the base 7. Wherein, second sucking disc 9 can adsorb on detecting the desktop steadily, consequently, the setting of base 7 and second sucking disc 9 has further improved the stability that this support for electromagnetic compatibility test was placed on detecting the desktop. In this embodiment, base 7 is U style of calligraphy template, and the bottom of two landing legs 2 of fender frame 5 is connected in U style of calligraphy template, and four feet of U style of calligraphy template all are provided with a second sucking disc 9 for two arms 11 of placing rotate arbitrary position, and the stable placing of support can all be guaranteed, and in addition, the fretwork position of U style of calligraphy template is convenient for wearing to establish of circuit.

Optionally, the leg 2 comprises a telescopic rod. The upper portion at landing leg 2 slides and wears to locate and place arm 11, and the lower part of landing leg 2 is scalable pole, places arm 11 through sliding and can adjust the position height of placing arm 11 to a certain extent in landing leg 2's position, can also further height-adjusting through flexible telescopic link, and this kind of setting makes the adjustment range of cell-phone 100 position height bigger and the regulation mode more nimble. The telescopic rod may be a pneumatic telescopic rod or a hydraulic telescopic rod, and the like, and is not limited specifically herein.

Optionally, the supporting legs 2 are provided with height scales, so that the position height of the placing part 1 can be accurately controlled, the placing part 1 can be adjusted in the horizontal plane, and the placing stability of the mobile phone 100 is further ensured.

Specifically, the placing part 1 and the legs 2 are made of wood or plastic. The electromagnetic radiation permeability of wood and plastic materials is good, the influence on the test is reduced, and the accuracy of the test result is improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A support for electromagnetic compatibility testing, comprising:

the placing part (1) is used for placing a piece to be tested;

a plurality of legs (2), wherein the legs (2) are connected to the placing part (1) in an angle mode, the legs (2) are used for supporting the placing part (1), and the placing part (1) is connected to the legs (2) in a sliding mode along the axial direction of the legs (2);

the bottom end of at least one of the supporting legs (2) is provided with the first sucking disc (3).

2. The cradle for electromagnetic compatibility testing according to claim 1, wherein the placement portion (1) comprises at least two placement arms (11), each placement arm (11) is connected to at least two of the legs (2), a plurality of placement arms (11) are located in the same plane, and any two placement arms (11) are spaced apart from each other.

3. The cradle for electromagnetic compatibility testing according to claim 2, wherein the placing arm (11) is connected to the leg (2) for rotation about an axial direction of the leg (2).

4. The support for the electromagnetic compatibility test according to claim 3, wherein the placing portion (1) further comprises an arc-shaped strip (12), angle scales are arranged on the arc-shaped strip (12), one end of the arc-shaped strip (12) is connected to the placing arm (11), the other end of the arc-shaped strip (12) is a free end, and the supporting leg (2) which is in transfer connection with the placing arm (11) passes through the center of the arc-shaped strip (12) and is perpendicular to the plane where the arc-shaped strip (12) is located.

5. The support for the electromagnetic compatibility test according to claim 1, wherein the adjacent legs (2) are connected by a connecting rod (4) to form a blocking frame (5), and a part of the blocking frame (5) is located above the placing part (1).

6. The support for electromagnetic compatibility testing according to claim 5, characterized in that the legs (2) are provided in four, two adjacent legs (2) forming the blocking frame (5) by the connecting rod (4).

7. The support for the electromagnetic compatibility test according to claim 5, wherein a limiting block (6) is arranged on the placing part (1), and the distance between the limiting block (6) and the blocking frame (5) is adjustable.

8. The support for the electromagnetic compatibility test according to claim 7, wherein the limiting block (6) is slidably connected to the placing portion (1), and a sliding direction of the limiting block (6) forms an included angle with a plane where the blocking frame (5) is located.

9. The support for the emc test according to any one of claims 1 to 8, further comprising a base (7) and a second suction cup (9), wherein the bottom end of at least one of the legs (2) is connected to the top of the base (7), and the second suction cup (9) is disposed at the bottom of the base (7).

10. The mount for electromagnetic compatibility testing according to any of claims 1-8, characterized in that the legs (2) comprise telescopic rods.