Device for testing interference resistance of radio frequency electromagnetic field

Abstract

The utility model provides a device used for a radio frequency electromagnetic field anti-interference degree test. The device comprises a meter frame, an electromagnetic compatibility dolly, a pressing clamp and a plurality of terminal seats. A to-be-tested sample can be quickly fixed through the arrangement of the terminal seat on the meter frame fixing groove and the arrangement of the pressing clamp; through the arrangement of the wiring cavity, exposed wires at the lower end of the terminal seat can be prevented from being exposed outside; through the signal receiver arranged on the electromagnetic compatibility trolley, a signal sent outwards from a test position can be received in the shielding chamber, so that the electromagnetic compatibility trolley drives the meter frame to move to the test position, a worker does not need to enter the shielding chamber for operation, and potential safety hazards of collision and radiation injury of the worker are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic field radiation anti-interference, in particular to a device for radio frequency electromagnetic field anti-interference test. Background Art

[0002] When conducting a radio frequency electromagnetic field anti-interference test on an electric energy meter, a scenario is simulated in which the electric energy meter is exposed to electromagnetic radiation with a frequency between 0.8GHz and 3GHz when installed outdoors to test the anti-interference performance of the electric energy meter. Since the door of the shielded room is narrow and the light is insufficient, the experimenter needs to turn on the flashlight and bend down to enter the shielded room to connect the wires, and put the electric meter in the corresponding radiation position of the shielded room, and then bend down to leave the shielded room. During the process of entering and leaving the shielded room, the head may touch the door frame of the shielded room and get injured. After the test, there may be a large amount of radiation that is harmful to the body in the shielded room, which poses a safety hazard to the experimenters entering the shielded room. Utility Model Content

[0003] In view of this, an object of the present invention is to provide a device for radio frequency electromagnetic field immunity test to solve the above-mentioned problem.

[0004] The utility model adopts the following scheme:

[0005] The present application provides a device for radio frequency electromagnetic field anti-interference test, characterized in that it includes a meter stand, an electromagnetic compatibility trolley, a clamping clamp and a plurality of terminal seats;

[0006] The meter frame is provided with a fixing groove, and a wiring cavity is provided below the fixing groove; the terminal seat is movably provided on the fixing groove; the clamping clamp is movably provided on the meter frame, placed above the terminal seat, and is used to fix the sample to be tested connected to the terminal seat; the meter frame is detachably provided on the electromagnetic compatibility trolley; the electromagnetic compatibility trolley is provided with a signal receiver, which is used to receive the signal sent outward from the test position, so that the electromagnetic compatibility trolley drives the meter frame to move to the test position.

[0007] Furthermore, the table frame is provided with a back plate along the vertical direction; the back plate is provided with a sliding groove along the vertical direction; and the clamping clip can be slidably arranged on the sliding groove.

[0008] Furthermore, the terminal seat is arranged on the fixing groove along the vertical direction, and its wiring ends are respectively placed on the fixing groove and in the wiring cavity.

[0009] Furthermore, when the meter stand is arranged on the electromagnetic compatibility vehicle, the wiring cavity is a cavity with a side opening.

[0010] Furthermore, the signal receiver is used to receive infrared signals.

[0011] Furthermore, the electromagnetic compatibility vehicle includes a control main component electrically connected to the signal receiver, a power unit electrically connected to the control main component, a transmission unit connected to the power unit, and a silicone tire connected to the transmission unit.

[0012] Furthermore, a meter stand fixing groove is provided on the upper shell of the electromagnetic compatibility vehicle.

[0013] By adopting the above technical solution, the utility model can achieve the following technical effects:

[0014] 1. The sample to be tested can be quickly fixed by setting the terminal seat on the fixing groove of the meter frame and the clamping clamp;

[0015] 2. The wiring cavity is set to prevent the exposed wires at the bottom of the terminal block from being exposed;

[0016] 3. Through the signal receiver installed on the electromagnetic compatibility trolley, the signal sent out from the test position can be received in the shielded room, so that the electromagnetic compatibility trolley can drive the meter frame to move to the test position. There is no need for manual entry into the shielded room for operation, which prevents safety hazards such as collisions and radiation damage to personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a device for radio frequency electromagnetic field anti-interference test according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of a meter frame of a device for radio frequency electromagnetic field anti-interference test according to an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of an electromagnetic compatibility vehicle of a device for radio frequency electromagnetic field anti-interference test according to an embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of an electromagnetic compatibility vehicle of a device for radio frequency electromagnetic field anti-interference test according to an embodiment of the utility model;

[0022] Icon: meter stand 1, electromagnetic compatibility trolley 2, power unit 3, transmission unit 4, signal receiver 5, silicone tire 6, wiring cavity 7, fixing groove 8, terminal seat 9, clamping clamp 10, meter stand fixing groove 201. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Example

[0025] Combination Figures 1 to 4 As shown, this embodiment provides a device for radio frequency electromagnetic field anti-interference test, characterized in that it includes a meter stand 1, an electromagnetic compatibility trolley 2, a clamping clamp 10 and a plurality of terminal seats 9;

[0026] The meter frame 1 is provided with a fixing groove 8, and a wiring cavity 7 is provided below the fixing groove 8; the terminal seat 9 is movably provided on the fixing groove 8; the clamping clamp 10 is movably provided on the meter frame 1, placed above the terminal seat 9, and is used to fix the sample to be tested connected to the terminal seat 9; the meter frame 1 is detachably provided on the electromagnetic compatibility trolley 2; the electromagnetic compatibility trolley 2 is provided with a signal receiver 5, which is used to receive the signal sent outward from the test position, so that the electromagnetic compatibility trolley 2 drives the meter frame 1 to move to the test position.

[0027] Specifically, in this embodiment, Figure 1 and Figure 2As shown, the meter stand 1 is provided with a back plate in the vertical direction; a sliding groove is provided on the back plate in the vertical direction; the clamping clamp 10 can be slidably provided on the sliding groove and fixed by bolts. The terminal seat 9 is provided on the fixing groove 8 in the vertical direction, and its two ends of the wiring are respectively placed on the fixing groove 8 and in the wiring cavity 7, and the terminal seat 9 can be moved in the fixing groove 8 to adjust the position; the two ends of the wiring of the terminal seat 9 are provided in the vertical direction for easy quick plug-in to connect the sample to be tested and the connecting wire. When the meter stand 1 is provided on the electromagnetic compatibility trolley 2, the wiring cavity 7 is a chamber with a side opening, and the chamber is a relatively closed chamber to avoid the exposed wires at the lower end of the terminal seat 9 from being exposed to the outside, causing the risk of electric shock.

[0028] In this embodiment, the electromagnetic compatible vehicle 2 includes a control main part electrically connected to the signal receiver 5, a power unit 3 electrically connected to the control main part, a transmission unit 4 connected to the power unit 3, and a silicone tire 6 connected to the transmission unit 4; the signal receiver 5 is used to receive infrared signals. A meter frame 1 fixing groove 8 is provided on the upper shell of the electromagnetic compatible vehicle 2, and the meter frame fixing groove 201 facilitates the quick plugging of the meter frame 1.

[0029] When the device for radio frequency electromagnetic field immunity test is in operation, the terminal seat 9 of corresponding specifications is selected according to the model of the test object, the terminal seat 9 is installed on the fixing groove 8, the test sample is placed on the terminal seat 9, the position of the clamping clamp 10 is adjusted so that the clamping clamp 10 presses the test sample downward to fix the test sample on the terminal seat 9, the pulse line and 485 line are connected to the pulse port and 485 port of the test object through the wiring hole on the terminal seat 9, the changes of the internal parameters of the test object before and after the test are monitored, the voltage and current wiring are carried out through the wiring cavity 7, and the exposed end of the wire is isolated through the setting of the wiring cavity 7. The meter frame 1 is fixed on the electromagnetic compatibility trolley 2, and the signal receiver 5 at the bottom of the trolley receives the infrared signal continuously sent out from the test fixed point on the ground of the shielding room to judge itself, and the trolley is automatically reached to the corresponding test position in the shielding room through the power unit 3.

[0030] The utility model provides a device for radio frequency electromagnetic field interference immunity test. Through the arrangement of terminal seat 9 on meter frame fixing groove 8 and the arrangement of clamping clamp 10, the sample to be tested can be quickly fixed; through the arrangement of wiring cavity 7, the exposed wires at the lower end of terminal seat 9 can be prevented from being exposed to the outside; through the signal receiver 5 arranged on electromagnetic compatibility trolley 2, the signal sent outward from the test position can be received in the shielding room, so that the electromagnetic compatibility trolley 2 drives the meter frame 1 to move to the test position, and there is no need for manual entry into the shielding room for operation, so as to prevent the safety hazard of personnel bumping into and being harmed by radiation.

[0031] The above are only preferred implementations of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions under the concept of the present utility model belong to the protection scope of the present utility model.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

Claims

1. A device for radio frequency electromagnetic field interference immunity test, characterized in that: It includes a meter stand, an electromagnetic compatibility trolley, a clamp and multiple terminal blocks; The meter frame is provided with a fixing groove, and a wiring cavity is provided below the fixing groove; the terminal seat is movably provided on the fixing groove; the clamping clamp is movably provided on the meter frame, placed above the terminal seat, and is used to fix the sample to be tested connected to the terminal seat; the meter frame is detachably provided on the electromagnetic compatibility trolley; the electromagnetic compatibility trolley is provided with a signal receiver, which is used to receive the signal sent outward from the test position, so that the electromagnetic compatibility trolley drives the meter frame to move to the test position.

2. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: The table frame is provided with a back plate along the vertical direction; the back plate is provided with a sliding groove along the vertical direction; the clamping clamp can be slidably arranged on the sliding groove.

3. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: The terminal seat is arranged on the fixing groove along the vertical direction, and its wiring ends are respectively placed on the fixing groove and in the wiring cavity.

4. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: When the meter stand is arranged on the electromagnetic compatibility vehicle, the wiring cavity is a cavity with a side opening.

5. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: The signal receiver is used for receiving infrared signals.

6. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: The electromagnetic compatibility vehicle includes a control main component electrically connected to the signal receiver, a power unit electrically connected to the control main component, a transmission unit connected to the power unit, and a silicone tire connected to the transmission unit.

7. The device for radio frequency electromagnetic field immunity test according to claim 1, characterized in that: A meter frame fixing groove is arranged on the upper shell of the electromagnetic compatibility vehicle.

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