JPS5812479Y2 - Anechoic chamber floor panel structure - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a floor panel structure for an anechoic chamber.

An anechoic chamber with panels made of dielectric material and ferrite tiles surrounding the entire room to measure the external effects of radio wave transmission from radio equipment, high-frequency sewing machines, engine plugs, etc., and to measure the performance of antennas. is already known.

However, in conventional anechoic chambers, there is no effective means for transporting heavy equipment in and out, and the radio wave absorption panels may be damaged or destroyed.

The purpose of the present invention is to propose an apparatus that allows relatively heavy and large objects to be easily transported into and out of the anechoic chamber.

According to the present invention, the radio wave absorbing panel on the equipment loading/unloading path of the anechoic chamber is supported by a lifting device so that it can be raised and lowered freely, and when the equipment is loaded/unloaded, the radio wave absorbing panel corresponding to the equipment loading/unloading path is stored in a storage section formed on the floor surface. After the equipment is brought in and out, the stored radio wave absorption panels are raised to complete the radio wave absorption and shielding functions of the anechoic chamber.

An embodiment of the anechoic chamber panel lowering shield device according to this invention will be described below with reference to the drawings.

The drawings show one embodiment of this invention, and FIG. 1 is a plan view of an anechoic chamber equipped with this device, and FIG. 2 is a sectional view showing the structure of this device.

The inner wall of the anechoic chamber 1 is formed by covering the radio wave absorbing panels 2.

Radio wave absorption panel 2 is FuJ.

It is constructed by forming a dielectric material such as carbon-containing styrene foam or urethane foam on a radio wave absorber such as a light tile.

A device loading/unloading port 3 is provided on one side of the anechoic chamber 1, and a device loading/unloading path 4 is provided from the device loading/unloading port 3 toward the inside of the anechoic chamber 1.

The radio wave absorbing panel 2 located above the equipment loading/unloading path 4 is supported by a fluid pressure cylinder 6 so as to be movable up and down for each unit h.

A storage section 7 having a height and width capable of storing the radio wave absorbing panel 2 supported by the fluid pressure cylinder 6 is formed in the equipment loading/unloading path 4 .

The fluid pressure cylinder 6 integrates the radio wave absorbing panel 2 supported on the upper part in parallel with other radio wave absorbing panels 2 forming the floor of the anechoic chamber 1 when it ascends, and when it descends, it integrates the radio wave absorbing panel 2 supported at the top with other radio wave absorbing panels 2 that form the floor of the anechoic chamber 1, and when it descends, it integrates the radio wave absorbing panel 2 supported at the top with the other radio wave absorbing panels 2 forming the floor surface of the anechoic chamber 1. It has a lifting limit that can accommodate the radio wave absorbing panel 2 supported in the storage section 7 provided in the passage 4.

Two rails 5 are provided along the equipment loading/unloading path 4 on both sides of the storage section on the equipment loading/unloading path 4.

A cart 9 loaded with equipment 8 can run on this rail 5.

When loading and unloading the equipment 8, the equipment loading/unloading port 3
is opened, and the radio wave absorbing panels 2 on the equipment loading/unloading path 4 up to the loading position of any equipment 8 are lowered unit by unit by the fluid pressure cylinder 6 and stored in the storage section 7 on the floor surface.

Therefore, a trolley loaded with the equipment 8 is carried into the anechoic chamber 1 along the rails 5 and installed at an arbitrary position on the equipment loading/unloading path 4.

After that, the radio wave absorbing panel 2 other than the installation position of the device 8 is supported and raised by the fluid pressure cylinder 6, and the other radio wave absorbing panel 2 is
The equipment loading/unloading port 3 is closed to complete the radio wave absorption and shielding functions of the anechoic chamber 1.

A similar operation can also be used to carry out the equipment 8.

The anechoic chamber panel lowering shield device according to the present invention is as described above, and can provide the following effects.

Since the radio wave absorber is moved within the anechoic chamber without being exposed to the outside, the structure is simple and easy to incorporate into the anechoic chamber, and there is no damage or breakage to the radio wave absorbing panel, making it possible to obtain a reliable shielding effect.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the anechoic chamber, and FIG. 2 is a sectional view showing the structure of the panel elevating section. 1... Radio wave anechoic chamber, 2... Radio wave absorption panel, 3... Equipment loading/unloading exit, 4... Equipment loading/unloading path, 5... ...Rail, 6...Fluid pressure cylinder, 7...Storage section, 8...
Equipment, 9... Trolley, 10... Backward lid.

Claims (1)

[Scope of utility model registration request] In an anechoic chamber equipped with radio wave absorption panels that surround the entire room, an equipment loading/unloading path leading to the anechoic chamber entrance is provided below the radio wave absorbing panels laid on the floor of the anechoic room, and the radio waves above the equipment loading/unloading path are provided. The absorption panel can be raised and lowered by a lifting device, and a rail is provided in the equipment loading/unloading path,
A floor panel structure of a radio anechoic chamber characterized in that a radio wave absorption panel storage section is provided between the rails, and the radio wave absorption panel corresponding to the equipment loading/unloading path at the lowering limit of the lifting device can be stored in the radio wave absorption panel storage section. .