Ceiling type sample detection auxiliary support

Abstract

The utility model relates to the technical field of electromagnetic compatibility detection, in particular to a ceiling type sample detection auxiliary support which comprises a plurality of horizontal supports arranged horizontally and a plurality of vertical supports arranged vertically, and the horizontal supports and the vertical supports are connected to form a frame structure. The locking buckles are provided with vertically-arranged through holes, the locking buckles are connected with the longitudinal support in a sleeved mode through the through holes and are in sliding fit with the longitudinal support, the locking buckles further comprise horizontally-arranged quick-screwing screws, and the quick-screwing screws penetrate through the locking buckles and are in threaded fit with the locking buckles; the testing platform is arranged in the frame structure and is parallel to the transverse support, the testing platform is fixedly connected with the locking buckle, and sliding fit between the testing platform and the longitudinal support is achieved. The utility model has the advantages that the sample can be stably mounted on the test platform; the ceiling type sample and the cable thereof can be accurately and conveniently fixed and adjusted; the test platform can move on the longitudinal support more smoothly; the specific requirement on the distance between the sample and the ground in the test is met.

Description

TECHNICAL FIELD

[0001] The utility model discloses electromagnetic compatibility detection technical field, and specifically is a ceiling type sample detection auxiliary support. BACKGROUND

[0002] Electromagnetic compatibility (EMC) detection technology is a test that evaluates the ability of electronic devices or systems to function properly in an electromagnetic environment and the degree of influence of the electromagnetic interference they generate on other devices. This test includes two major categories: electromagnetic interference (EMI) and electromagnetic susceptibility (EMS).

[0003] EMI testing mainly measures whether the electromagnetic energy emitted by a device exceeds the specified limit, which may cause interference to other sensitive devices in the external environment through conduction or radiation. EMS testing is to verify whether the device can maintain its predetermined performance when subjected to external electromagnetic interference, that is, the ability of the device to resist external electromagnetic disturbance. When performing EMC testing, a series of dedicated test sites, instruments and technical means are used to accurately measure and simulate electromagnetic interference to evaluate the electromagnetic compatibility performance of electronic products.

[0004] In the prior art, there is a lack of an auxiliary support that can fix and clamp the ceiling type sample and realize accurate detection integration, so there is an urgent need to design a ceiling type sample detection auxiliary support. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses electromagnetic compatibility detection technical field, and specifically is a ceiling type sample detection auxiliary support.

[0006] In order to realize the above-mentioned purpose, a ceiling type sample detection auxiliary support is designed, which comprises: a plurality of horizontal supports arranged horizontally, a plurality of vertical supports arranged vertically, the horizontal supports and the vertical supports are connected in cooperation to form a frame structure; a plurality of locking buckles, the locking buckles are provided with vertical through holes, the locking buckles are sleeved with the vertical supports through the through holes and realize sliding cooperation, the locking buckles further comprise horizontal quick screw, the quick screw penetrates the locking buckle and realizes threaded cooperation with the locking buckle; a test platform, the test platform is arranged in the frame structure and is parallel to the horizontal support, the test platform is fixedly connected with the locking buckle, and the sliding cooperation between the test platform and the vertical support is realized.

[0007] Preferably, the utility model still includes other technical features, wherein the test platform further includes: a center hole groove arranged at the geometric center of the test platform, which is used as a reference datum point of the ceiling-mounted sample mounting position; a plurality of limiting through grooves, which are arranged radially symmetrically with the center hole groove as the center, are used for fixing the ceiling-mounted sample; a plurality of cable holes, which are arranged radially symmetrically with the center hole groove as the center, are used for the cable to pass through; a plurality of horizontal bubble gauges, which are arranged radially symmetrically with the center hole groove as the center, are used for observing whether the position of the test platform after sliding on the longitudinal support remains horizontal; a plurality of screw holes, which are uniformly distributed on the test platform; and the limiting through grooves, the cable holes and the horizontal bubble gauges form mutual avoidance.

[0008] Preferably, the utility model still includes other technical features, wherein the test platform further includes: a field strength meter arranged in the center hole groove, which is detachably matched with the center hole groove, and is used for field strength calibration before the radiation immunity test; and a plurality of cable buckles, which are arranged in a C-shaped structure on the test platform, are matched and connected with the test platform at both ends, and have a gap with the test platform in the middle, and are used for accommodating and buckling the cable.

[0009] Preferably, the utility model still includes other technical features, wherein a plurality of limiting rollers are further arranged on the lateral side of the test platform, two limiting rollers in each group are arranged on the two sides of the longitudinal support and form rolling cooperation under the limiting clamping of the longitudinal support, and are used for keeping the test platform always horizontal when sliding along the longitudinal support.

[0010] Preferably, the utility model still includes other technical features, wherein the bottom of the longitudinal support is further provided with a base, the bottom of the base is provided with a plurality of universal wheels, and the universal wheels include a locking structure.

[0011] Preferably, the utility model still includes other technical features, wherein a light intensity meter group is further arranged on the top of the test platform and the inner side of the longitudinal support, the light intensity meter group includes a light intensity meter support, a light intensity meter and a light intensity meter cable clamp; the light intensity meter support is in an open structure towards the test platform, the open structure accommodates the light intensity meter, a recess-shaped light intensity meter cable clamp is further arranged on one side wall of the light intensity meter support, is used for clamping and accommodating the cable of the light intensity meter, and the light intensity meter support is fixed on the inner side of the longitudinal support through a screw.

[0012] Preferably, the utility model still includes other technical features, wherein the locking buckle includes a locking working condition and a sliding working condition; in the locking working condition, the quick screw is tightly pressed against the longitudinal support through thread cooperation with the locking buckle; and in the sliding working condition, the end of the quick screw is away from the longitudinal support and forms avoidance with the longitudinal support through thread cooperation with the locking buckle.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] Through the design of the limiting through groove and the cable hole, it is ensured that the sample can be stably installed on the test platform;Through the design of the limiting through groove, the cable hole, the center hole groove, the screw hole and the cable buckle, accurate and convenient fixing and adjustment of the ceiling-mounted sample and its cable are realized;Through the design of the limiting roller, the movement of the test platform on the vertical support is more smooth;Through the design of the plurality of cable holes, appropriate hole diameters can be selected according to different requirements of the cable specifications;Through the vertical support and the limiting roller, the limiting movement of the test platform is realized, the locking buckle and the quick screw screw realize the fixing and locking of the longitudinal position of the test platform, so as to meet the specific requirements of the distance between the sample and the ground in the test. The device is simple in design, reasonable in cost and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 , is the structure schematic diagram of the utility model;

[0016] Figure 2 , is the local enlarged structure schematic diagram of the utility model equipped with the field strength instrument and the cable buckle;

[0017] Figure 3 , is Figure 2 the local enlarged view;

[0018] In the drawing: 1 horizontal support, 2 vertical support, 3 locking buckle, 3.1 through hole, 3.2 quick screw screw, 4 test platform, 5 center hole groove, 6 limiting through groove, 7 cable hole, 8 horizontal bubble ruler, 9 screw hole, 10 field strength instrument, 11 cable buckle, 12 limiting roller, 13 universal wheel, 14 base, 15 light intensity meter group, 15.1 support, 15.2 light intensity meter, 15.3 light intensity meter cable clamp. DETAILED DESCRIPTION

[0019] In order to make the purpose, principle and structure of the utility model more clear and explicit, the following is further described in combination with the drawings and specific embodiments.

[0020] Referring to Figures 1 to 3 , the utility model provides a ceiling-mounted sample detection auxiliary support, which comprises:

[0021] The horizontal support 1 is horizontally arranged, the vertical support 2 is vertically arranged, and the horizontal support 1 and the vertical support 2 jointly form a frame structure. The frame structure is provided with a base 14 at the bottom, and the bottom of the base 14 is provided with a limiting roller 12, which can be a universal wheel structure with a locking device.

[0022] Several locking buckles 3 are provided with vertical through holes 3.1, the locking buckles 3 and the longitudinal frame 2 are matched to realize sliding through the through holes 3.1, the locking buckles 3 are further provided with through fastening screws 3.2, one end of the fastening screws 3.2 extends out of the locking buckles 3, the other end extends into the through holes 3.1, the fastening screws 3.2 are matched with the locking buckles 3 through threads or buckles, by rotating the fastening screws 3.2 at the end extending out of the locking buckles 3, the fastening screws 3.2 can be driven to move, so that the fastening screws 3.2 at the end extending into the through holes 3.1 are in close contact with the longitudinal frame 2 to form locking or unlocking. Thus, the locking buckles 3 can be matched to slide on the longitudinal frame 2 and be locked at any position.

[0023] The test platform 4 is a plate-shaped structure, the periphery thereof is matched and connected with the several locking buckles 3, and the test platform 4 is matched to slide with the longitudinal frame 2 under the limiting of the locking buckles 3. The periphery of the test platform 4 is further provided with several limiting rollers 12, the limiting rollers 12 are arranged in pairs, are arranged on both sides of the longitudinal frame 2 and are matched to be clamped under rolling friction, so that the stability of the sliding cooperation between the test platform 4 and the longitudinal frame 2 is further improved, and the test platform 4 is always in a horizontal state.

[0024] Further, the center hole groove 5 is arranged at the geometrically symmetrical center of the test platform 4, the test platform 4 is provided with several limiting through grooves 6, several cable holes 7, several horizontal bubble gauges 8 and several screw holes 9 radially symmetrically around the center hole groove 5, and the limiting through grooves 6, the cable holes 7, the horizontal bubble gauges 8 and the screw holes 9 are in avoidance and do not overlap with each other.

[0025] The center hole groove 5 is used for arranging the field strength meter 10, the periphery of the field strength meter 10 is matched with the screw holes 9 through screws to fix and install the field strength meter 10 at the center position of the test platform 4, and the rapid and accurate positioning and dismounting of the field strength meter 10 during the installation process are improved. One side of the center hole groove 5 is provided with a cable buckle 11, the cable buckle 11 is in a C-shaped structure, both ends thereof are fixed with the test platform 4, and the middle part thereof forms an avoidance structure, the avoidance structure is used for accommodating and compressing the cable of the field strength meter 10, and the bending of the cable is avoided to affect the normal work of the field strength meter. The design of the center hole groove 5 ensures that the center position of the sample and the position of the field strength meter 10 in the field calibration are consistent, ensures that the interference values of the field strength received by the sample in the test are the values after the calibration of the field strength meter 10, ensures that the interference of the field strength fully acts on the sample, and can also assist in determining the distance between the center of the sample and the test equipment.

[0026] The limiting through grooves 6 are used to be fixed with the ceiling-mounted sample through screws, and the limiting through grooves 6 are radially arranged around the center hole groove 5, a scale is arranged on the limiting through grooves 6 to assist, the convenient fixing of several different samples on the test platform 4 can be ensured, and the good reproducibility of the sample test arrangement can be ensured.

[0027] The cable hole 7 is used for the cable of several parts on the test platform 4 and the test sample to pass through, so that the test platform 4 is more tidy, and the cluttered cable avoids unexpected interference on the test result.

[0028] The horizontal bubble gauge 8 is used to assist in detecting the horizontal position of the test platform 4, and the horizontal position is accurately aligned.

[0029] On the inner side of the longitudinal support 2 close to the test platform 4, a light intensity meter group 15 higher than the test platform 4 is also provided, which includes a support 15.1, a light intensity meter 15.2 and a light intensity meter cable clamp 15.3. The side of the support 15.1 towards the test platform 4 is an open structure, which forms a cavity structure matched with the shape of the light intensity meter 15.2 for accommodating and clamping the light intensity meter 15.2, and the support 15.1 can be fixed on the longitudinal support 2 by screws. A recess is also provided on one side of the support 15.1, and the recess is provided with a light intensity meter cable clamp 15.3 with a protruding block structure, which is used to further clamp and limit the cable of the light intensity meter 15.2 accommodated in the recess, preventing the cable of the light intensity meter 15.2 from causing unnecessary interference on the detection work.

[0030] The specific working principle is as follows:

[0031] In the test project, the sample has specific requirements for the ground height, and the test platform 4 is moved up and down along the longitudinal support 2 by the limiting roller 12 to meet the sample test height requirement. After the test platform 4 is moved to the appropriate position along the longitudinal support 2, the locking and positioning of the longitudinal support 2 is realized by tightening the quick screw 3.2, which realizes the locking and positioning of the test platform 4, and the horizontal position of the test platform 4 can be accurately detected and further adjusted by the horizontal bubble gauge 8. If it is necessary to confirm the field strength value of the test site, the field strength meter 10 is fixed on the center hole slot 5, and the field strength meter 10 is further stably fixed on the test platform 4 by the screw and the screw hole 9. The cable of the field strength meter 10 is passed through the cable clamp 11 to be clamped and fixed on the test platform 4. After the field strength calibration is completed, the field strength meter 10 and the cable clamp 11 are removed. After the center of the sample is matched with the center of the test platform 4, the sample is fixed by the limiting slot 6 with a screw, and the cable of the sample is led out to connect the power supply or signal through the cable hole 7.

[0032] Further, according to the shape of the sample, several limiting slots 6 can be selected to fix the sample, such as fixing the four corners of a quadrilateral sample in the corresponding limiting slots 6 by screws to form stable fixation, and fixing several points on the circumference of a circular sample in the corresponding limiting slots 6 by screws to form stable fixation.

[0033] The light intensity meter group 15 can be optionally installed on the longitudinal support 2 when the light intensity needs to be detected.

[0034] The above merely describes a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and novel concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A ceiling type sample detection auxiliary support, characterized by, The utility model relates to a kind of test platform, including: a plurality of horizontal supports arranged horizontally, a plurality of vertical supports arranged vertically, the horizontal supports and the vertical supports are connected to form a frame structure;A plurality of locking buckles are provided with vertical through holes, the locking buckles are sleeved with the vertical supports through the through holes and are slidably connected, the locking buckles further include horizontally arranged quick screw, the quick screw is screwed with the locking buckle;A test platform is arranged in the frame structure and is parallel to the horizontal supports, the test platform is fixedly connected with the locking buckle, and the test platform and the vertical supports are slidably connected. The test platform further includes: a central hole slot arranged at the geometric center of the test platform, used as a reference datum point for the ceiling sample mounting position;A plurality of limiting through slots are radially symmetrically arranged around the central hole slot, used for fixing the ceiling sample;A plurality of cable holes are radially symmetrically arranged around the central hole slot, used for passing through the cable;A plurality of horizontal bubble levels are radially symmetrically arranged around the central hole slot, used for observing whether the position of the test platform remains horizontal after sliding on the vertical supports;A plurality of screw holes are uniformly distributed on the test platform;The limiting through slots, cable holes and horizontal bubble levels are mutually formed to avoid each other. The test platform further includes: a field strength meter arranged in the central hole slot, the field strength meter is detachably connected with the central hole slot, and the field strength meter is used for field strength calibration before radiation immunity test;A plurality of cable buckles are arranged in C-shaped structure on the test platform, the two ends of the cable buckles are connected with the test platform, and the middle part of the cable buckles is spaced apart from the test platform to accommodate and press the cable. A plurality of limiting rollers are arranged on the side of the test platform, two limiting rollers are arranged on the two sides of the vertical supports respectively and are slidably connected with the vertical supports, used for keeping the test platform horizontal when sliding along the vertical supports.

2. The ceiling type sample detection auxiliary support according to claim 1, characterized in that, The bottom of the vertical support is further provided with a base, the bottom of the base is provided with a plurality of universal wheels, and the universal wheels include locking structure. A light intensity meter group is arranged above the test platform and on the inner side of the vertical support, and the light intensity meter group includes a light intensity meter support, a light intensity meter and a light intensity meter cable clamp. The locking buckle includes locking condition and sliding condition. In the locking condition, the end of the quick screw is pressed against the vertical support through the threaded connection with the locking buckle. In the sliding condition, the end of the quick screw is away from the vertical support through the threaded connection with the locking buckle. ​ ​ 3. The ceiling type sample detection auxiliary support according to claim 2, characterized in that, ​ ​ ​ 4. The ceiling type sample detection auxiliary support according to claim 1, characterized in that, ​ 5. The ceiling type sample detection auxiliary support according to claim 1, characterized in that, ​ 6. The ceiling type sample detection auxiliary support according to claim 1, wherein ​ ​ 7. The ceiling type sample detection auxiliary support according to claim 1, characterized in that, ​ ​ ​

Images