Movable anti-electromagnetic interference construction tool

Abstract

The utility model relates to the field of nuclear power, in particular to a movable anti-electromagnetic interference construction tool. The movable anti-electromagnetic interference construction tool comprises a Faraday cage which can be folded and stored, a ventilation opening is formed in one side wall of the Faraday cage, and a ventilation fan is arranged in the ventilation opening; a gas detection device is also arranged in the Faraday cage; the outer wall of the Faraday cage is provided with an electromagnetic interference test interface and a power conversion module. The device provided by the utility model is movable, light and reusable, and can effectively reduce the electromagnetic interference during the construction period.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power field especially relates to a mobile anti-electromagnetic interference construction tool. BACKGROUND

[0002] Many shutdown and shutdown events caused by electromagnetic interference during construction have occurred in the operation process of nuclear power units at home and abroad. In order to avoid electromagnetic interference, on the one hand, nuclear power unit systems and equipment need to meet the corresponding anti-electromagnetic interference function in the design, manufacturing, installation and operation stage. On the other hand, due to the need to use cutting and polishing, electric welding and argon arc welding in nuclear power field, these activities will also introduce electromagnetic interference, which will bring hidden dangers to the safe and stable operation of the unit. Therefore, a tool for preventing electromagnetic interference needs to be designed. CONTENT OF UTILITY MODEL

[0003] The technical problem to be solved by the utility model is to provide a mobile anti-electromagnetic interference construction tool, which has the characteristics of mobility, portability and reusability, and can effectively reduce electromagnetic interference during construction.

[0004] The utility model provides a mobile anti-electromagnetic interference construction tool, which comprises a foldable storage Faraday cage,

[0005] A ventilation opening is formed in one side wall of the Faraday cage, and a ventilation fan is arranged in the ventilation opening;

[0006] A gas detection device is further arranged in the Faraday cage;

[0007] An electromagnetic interference test interface and a power conversion module are arranged on the outer wall of the Faraday cage.

[0008] In an embodiment of the utility model, the Faraday cage adopts a metal aluminum frame, and a dense mesh is arranged between the frames, and the total weight does not exceed 30 kg.

[0009] In an embodiment of the utility model, the dense mesh is 30 meshes to 120 meshes.

[0010] In an embodiment of the utility model, an exhaust opening is formed in the top surface of the Faraday cage, and a ventilation opening is formed in the side wall;

[0011] An exhaust fan is arranged in the exhaust opening;

[0012] External air enters through the ventilation opening and is discharged through the exhaust opening.

[0013] In an embodiment of the utility model, the electromagnetic interference test interface is connected with an oscilloscope.

[0014] In an embodiment of the utility model, the electromagnetic interference test interface is connected with a monitoring device, and the electromagnetic interference intensity is monitored in real time during construction.

[0015] In an embodiment of the utility model, the power conversion module is provided with a conversion interface, and the conversion interface comprises a direct current interface and an alternating current interface.

[0016] In an embodiment of the utility model, the Faraday cage is provided with an import and export door.

[0017] In an embodiment of the utility model, the gas detection device is a four-in-one gas detector.

[0018] Compared with the prior art, the mobile anti-electromagnetic interference construction tool can be moved, is portable, can be reused, is convenient to flexibly carry to a place with electromagnetic interference requirement and use, meets industrial safety requirement and electromechanical instrument construction requirement, and reduces electromagnetic interference during construction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 shows a structural schematic diagram of a mobile anti-electromagnetic interference construction tool in an embodiment;

[0020] Figure 2 Fig. 2 shows a structural schematic diagram of a mobile anti-electromagnetic interference construction tool in another embodiment;

[0021] In the figure, 1 is a Faraday cage, 2 is a ventilation opening, 3 is a gas detection device, 4 is an electromagnetic interference test interface, 5 is a power conversion module, 6 is an import and export door, and 7 is an exhaust port. DETAILED DESCRIPTION

[0022] In order to further understand the utility model, the implementation scheme of the utility model is described below in combination with embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not the limitation of the utility model.

[0023] The embodiment of the utility model discloses a mobile anti-electromagnetic interference construction tool, as shown in the figure, comprising: Figure 1 A foldable storage Faraday cage 1,

[0024] A ventilation opening 2 is formed on one side wall of the Faraday cage 1, and a ventilation fan is arranged in the ventilation opening 2;

[0025] The Faraday cage 1 is further provided with a gas detection device 3;

[0026] The outer wall of the Faraday cage 1 is provided with an electromagnetic interference test interface 4 and a power conversion module 5.

[0027] The Faraday cage 1 adopts a metal aluminum frame, and a dense mesh is laid between the frames, and the total weight is not more than 30 kg.

[0028] The Faraday cage 1 is provided with an entrance and exit door 6 for personnel immersion, and the entrance and exit door 6 is locked with the Faraday cage 1 through a lock buckle.

[0029] As an optional place, as shown in the drawings, Figure 2 As shown, an exhaust port 7 is formed on the top surface of the Faraday cage 1, and a ventilation port 2 is formed on the side wall;

[0030] An exhaust fan is arranged in the exhaust port 7.

[0031] External air enters through the ventilation port 2 and is discharged through the exhaust port 7.

[0032] The electromagnetic interference test interface 4 is connected with an oscilloscope or connected with a monitoring device, and the electromagnetic interference intensity is monitored in real time during construction. The position of the electromagnetic interference test interface 4 is movable, and preferably 2 groups are arranged.

[0033] The power conversion module 5 is used for current conversion; the power conversion module 5 is provided with a conversion interface, the conversion interface includes a direct current interface and an alternating current interface, and is used for the power demand of construction tools.

[0034] The gas detection device 3 is used for monitoring the gas quality in the Faraday cage 1, and can be a four-in-one gas detector.

[0035] The mobile anti-electromagnetic interference construction tool of the utility model reserves a grounding point for the grounding demand of construction tools.

[0036] The above description of the embodiments is only used to help understand the method of the utility model and its core idea. It should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications of the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mobile electromagnetic interference-resistant construction tool, characterized in that, include: Foldable Faraday cage A ventilation opening is made on one side wall of the Faraday cage, and a ventilation fan is installed inside the ventilation opening; The Faraday cage is also equipped with a gas detection device; The outer wall of the Faraday cage is equipped with an electromagnetic interference test interface and a power conversion module.

2. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The Faraday cage uses an aluminum frame with a dense mesh net between the frames, and its total weight does not exceed 30 kilograms.

3. The mobile electromagnetic interference protection construction tool according to claim 2, characterized in that, The mesh size is 30 to 120 mesh.

4. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, An exhaust vent is provided on the top surface of the Faraday cage, and a ventilation opening is provided on the side wall. An exhaust fan is installed inside the exhaust vent; Outside air enters through the vent and exits through the exhaust vent.

5. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The electromagnetic interference test interface is connected to an oscilloscope.

6. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The electromagnetic interference test interface is connected to the monitoring equipment to monitor the electromagnetic interference intensity in real time during construction.

7. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The power conversion module is equipped with an adapter, which includes a DC interface and an AC interface.

8. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The Faraday cage is equipped with entrance and exit doors.

9. The mobile electromagnetic interference protection construction tool according to claim 1, characterized in that, The gas detection device is a four-in-one gas detector.

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