CN212617407U - Novel elevating platform for radio measurement experiments - Google Patents
Novel elevating platform for radio measurement experiments Download PDFInfo
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- CN212617407U CN212617407U CN202020444643.6U CN202020444643U CN212617407U CN 212617407 U CN212617407 U CN 212617407U CN 202020444643 U CN202020444643 U CN 202020444643U CN 212617407 U CN212617407 U CN 212617407U
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- electromagnetic shield
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Abstract
The utility model relates to a radio metering equipment technical field discloses a novel elevating platform for radio measurement experiments, including elevating platform body, electromagnetic shield box and switching device, the electromagnetic shield box sets up on the elevating platform body, and switching device is located the electromagnetic shield box, the elevating platform body includes top panel, lower panel, hand wheel, rotation axis and bracing piece, the electromagnetic shield box includes metal casing and electromagnetic shielding coating, and the electromagnetic shield box bottom left and right sides is equipped with the metal and presss from both sides, and the electromagnetic shield box passes through the metal and presss from both sides and be connected with the top panel. This application has reduced the measuring error in the radio measurement experiment through switching device's global design and with switching device in electromagnetic shield box, can be fine satisfy operation requirement.
Description
Technical Field
The utility model relates to a radio metering equipment technical field, concretely relates to novel elevating platform is used in radio measurement experiment.
Background
The lifting platform for experiments generally comprises an upper panel, a lower panel, a rotating shaft and a hand wheel, is mainly used for placing relevant experimental equipment in a laboratory and adjusting the height of an object, and is mainly different from an engineering lifting platform in that the lifting platform is small in size, the lifting range is about 42-150 mm, and the upper panel and the lower panel are generally squares with the side length of 10 cm. In a radio metering experiment, an experimenter usually uses the small-sized lifting table to place various cables, adapters and some measured equipment so as to overcome measurement errors caused by interface looseness caused by the height difference between the testing equipment and the interface of the measured equipment. However, the existing elevating platform for the radio metering experiment has the following disadvantages: 1. because some experiments need adapters of various models, and the number of used adapters is large, the interfaces of the adapters are loosened due to gravity, the lifting platform cannot completely support all the adapters, and the loosened interfaces can cause experiment errors; 2. in some special experiments, the exposed adapter may be interfered by electromagnetic radiation, which may cause measurement errors.
Disclosure of Invention
In order to overcome the problem that exists among the above-mentioned prior art and not enough, the utility model discloses to the not hard up error problem that brings of switching mouth and electromagnetic radiation interference, provided a novel elevating platform for radio measurement experiments.
In order to realize the purpose of the utility model, the technical scheme of the utility model is as follows:
the utility model provides a novel elevating platform for radio measurement experiments, includes elevating platform body, electromagnetic shield box and switching device, the electromagnetic shield box sets up on the elevating platform body, and switching device is located the electromagnetic shield box, the elevating platform body includes top panel, lower panel, hand wheel, rotation axis and bracing piece, the electromagnetic shield box includes metal casing and electromagnetic shielding coating, and the electromagnetic shield box bottom left and right sides is equipped with the metal and presss from both sides, and the electromagnetic shield box passes through the metal and presss from both sides and be connected with the top panel.
Preferably, the adapter device is composed of a BNC-type impedance matcher, a BNC-type tee, two BNC-to-N-type connectors and an N-to-N-type connector.
Preferably, the left side, the right side and the front side of the electromagnetic shielding box are respectively provided with a joint hole for connecting equipment and a switching device.
Preferably, the top of the electromagnetic shielding box is provided with an opening and a cover body covering the opening, and one side of the cover body is hinged with the electromagnetic shielding box.
Preferably, the cover body is provided with a bulge matched with the opening on one side facing the opening, and the bulge can be inserted into the opening.
Preferably, a blocking piece is fixedly arranged at the edge of the cover body and used for lifting the cover body upwards.
The utility model has the advantages that:
(1) in this application, with the whole integration of adapter device on the elevating platform body, owing to adopted integral structural design, consequently make in the experiment not hard up between the switching device be more than 0.5mm, the whole error that the switching device brought simultaneously also is the fixed value, makes things convenient for the calculation of whole error in the experiment.
(2) In this application, switching device is located the electromagnetic shield box, and the electromagnetic shield box is equipped with electromagnetic shielding coating, and its shielding effectiveness is 80dB 1GHz, consequently in conventional radio measurement experiment, can be fine satisfy the operation requirement.
(3) In this application, but electromagnetic shield box and elevating platform wholly use also detachable, and electromagnetic shield box only fixes on the top panel through the metal clamping piece, and the connected mode between electromagnetic shield box and the elevating platform body is simple, and is also very convenient when consequently dismantling, and the practicality is strong.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic structural view of an electromagnetic shielding case according to the present application;
fig. 3 is a schematic structural diagram of the adapter device of the present application.
In the drawings:
1. a lifting platform body; 2. an electromagnetic shielding box; 3. a switching device; 4. a metal clip; 5. a joint bore; 6. a cover body; 7. a protrusion; 8. a baffle plate; 11. an upper panel; 12. a lower panel; 13. a hand wheel; 14. a rotating shaft; 15. a support bar; 21. a metal housing; 22. an electromagnetic shielding coating; 31. BNC type impedance matcher; 32. BNC type three-way; 33. converting BNC into N-type joint; 34. n-type to N-type joints.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
The embodiment discloses a novel elevating platform for radio measurement experiments, including elevating platform body 1, electromagnetic shield box 2 and switching device 3, electromagnetic shield box 2 sets up on elevating platform body 1, and switching device 3 is located electromagnetic shield box 2, elevating platform body 1 includes top panel 11, lower panel 12, hand wheel 13, rotation axis 14 and bracing piece 15, electromagnetic shield box 2 includes metal casing 21 and electromagnetic shielding coating 22, and both sides are equipped with metal clip 4 about electromagnetic shield box 21 bottom, and electromagnetic shield box 2 passes through metal clip 4 and is connected with top panel 11. The switching device is integrally integrated on the lifting table, and due to the adoption of the integral structural design, the looseness between the switching devices in the experiment is not more than 0.5mm, and the integral error caused by the switching devices is also a fixed value, so that the calculation of the integral error in the experiment is facilitated; furthermore, the switching device is positioned in the electromagnetic shielding box, an electromagnetic shielding coating is arranged in the electromagnetic shielding box, signals can be prevented from being subjected to electromagnetic interference in the adapter, and the shielding efficiency is 80dB/1GHz, so that the use requirement can be well met in a conventional radio metering experiment; furthermore, the left side and the right side of the bottom of the electromagnetic shielding box are provided with the metal clamps, the electromagnetic shielding box is connected with the lifting platform body through the metal clamps to be simply connected, the electromagnetic shielding box and the lifting platform body can be integrally used and can be separated for use, the connection mode between the electromagnetic shielding box and the lifting platform body is simple, so that the electromagnetic shielding box is very convenient to disassemble and high in practicability, and meanwhile, the lifting range of the lifting platform is expanded to 20-170 mm from the original 42-150 mm.
Further, the adapter 3 is composed of a BNC impedance adapter 31, a BNC tee 32, two BNC (male) to N (female) connectors 33, and an N (male) to N (female) connector 34. In the present application, an N-type (male) to N-type (female) adapter may be replaced with an adapter that converts N-type to SMA type interface.
Furthermore, the left side, the right side and the front side of the electromagnetic shielding box 2 are respectively provided with a joint hole 5 for connecting equipment with the switching device 3. The arrangement of the joint hole facilitates the smooth connection of the N-shaped female joint, the N-shaped male joint and the impedance matcher with equipment.
Furthermore, the top of the electromagnetic shielding box 2 is opened and provided with a cover body 6 covering the opening, and one side of the cover body 6 is hinged with the electromagnetic shielding box 2. The electromagnetic shielding box is of a structure with an opening at the top, a cover body covering the opening is arranged at the opening, the cover body is opened, the corresponding switching device can be placed in the electromagnetic shielding box, and the electromagnetic shielding box can be taken out and covered after use.
Further, the cover body 6 is provided with a protrusion 7 matched with the opening on one side facing the opening, and the protrusion 7 can be inserted into the opening. The size of the bulge is matched with the size of the opening, and the cover body can be inserted into the opening when being covered, so that the bulge is tightly matched with the opening, and the cover body can be well covered.
Furthermore, a blocking piece 8 is fixedly arranged at the edge of the cover body 6 and used for lifting the cover body 6 upwards. The retaining pieces fixedly arranged at the edge of the cover body enable the cover body to be opened and closed very conveniently and smoothly.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. The utility model provides a novel elevating platform for radio measurement experiments which characterized in that: including elevating platform body (1), electromagnetic shield box (2) and switching device (3), electromagnetic shield box (2) set up on elevating platform body (1), and switching device (3) are located electromagnetic shield box (2), elevating platform body (1) includes top panel (11), lower panel (12), hand wheel (13), rotation axis (14) and bracing piece (15), electromagnetic shield box (2) include metal casing (21) and electromagnetic shield coating (22), and both sides are equipped with metal clip (4) about electromagnetic shield box (2) bottom, and electromagnetic shield box (2) are connected with top panel (11) through metal clip (4).
2. The novel elevating platform for radio metering experiment as claimed in claim 1, wherein: the adapter device (3) is composed of a BNC type impedance matcher (31), a BNC type tee joint (32), two BNC-to-N type connectors (33) and an N-to-N type connector (34).
3. The novel elevating platform for radio metering experiment as claimed in claim 1, wherein: the left side, the right side and the front side of the electromagnetic shielding box (2) are respectively provided with a joint hole (5) for connecting equipment and the switching device (3).
4. The novel elevating platform for radio metering experiment as claimed in claim 1, wherein: the top of the electromagnetic shielding box (2) is opened and provided with a cover body (6) covering the opening, and one side of the cover body (6) is hinged with the electromagnetic shielding box (2).
5. The novel elevating platform for radio metering experiment as claimed in claim 4, wherein: the cover body (6) is provided with a bulge (7) matched with the opening towards one side of the opening, and the bulge (7) can be inserted into the opening.
6. The novel elevating platform for radio metering experiment as claimed in claim 5, wherein: the edge of the cover body (6) is fixedly provided with a blocking piece (8) used for lifting the cover body (6) upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444643.6U CN212617407U (en) | 2020-03-31 | 2020-03-31 | Novel elevating platform for radio measurement experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444643.6U CN212617407U (en) | 2020-03-31 | 2020-03-31 | Novel elevating platform for radio measurement experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212617407U true CN212617407U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020444643.6U Active CN212617407U (en) | 2020-03-31 | 2020-03-31 | Novel elevating platform for radio measurement experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212617407U (en) |
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2020
- 2020-03-31 CN CN202020444643.6U patent/CN212617407U/en active Active
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