Controllable RFID secondary safety measure protection device based on aluminum foil shielding

Abstract

The utility model relates to the technical field of terminal strip safety measure tools, in particular to a controllable RFID secondary safety measure protection device based on aluminum foil shielding, which comprises a support plate and an RFID chip arranged on the support plate. The mounting groove is formed in the upper end of the supporting plate, the upper cover plate is arranged at the upper end of the supporting plate and covers the mounting groove, the jacking column is arranged on the upper cover plate, the jacking spring is arranged on the jacking column, the shielding plate is arranged in the mounting groove, and the aluminum foil layer is arranged on the shielding plate. The button hole is formed in the supporting plate, the button column is arranged in the button hole, the upper end face of the shielding plate abuts against the abutting spring, the lower end face of the shielding plate covers the RFID chip and abuts against the inner end of the button column, and the aluminum foil layer is arranged on the end face, facing the bottom of the mounting groove, of the shielding plate. The design is used for being installed on a terminal strip during relay protection maintenance, the RFID chip can keep a signal sending state, if the RFID chip is taken down, signals of the RFID chip are disconnected, and maintenance personnel are reminded in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to terminal row safety device technology field, concretely relates to a controllable RFID secondary safety device protection device based on aluminium foil shield. BACKGROUND

[0002] In the process of relay protection maintenance, it is necessary to use safety device to protect secondary wire core, air switch, pressing plate, terminal row and other equipment or elements. The state of traditional safety measure tool depends on manual monitoring, lacks necessary intelligent monitoring and cannot provide real-time state feedback in the protection process. During the operation, if the staff removes the safety device due to fatigue or inattention, it may cause misoperation, thereby directly affecting the safety of equipment and personnel and even causing accidents.

[0003] Ordinary passive RFID technology performs well in asset management and tracking and has some application scenarios in power systems, but it is insufficient in safety measure application. Although ordinary passive RFID can realize basic monitoring and asset management function, when the safety device is removed, the RFID chip cannot cut off the signal in time and send an alarm. UTILITY MODEL CONTENT

[0004] The utility model discloses in order to solve the problem that traditional secondary safety device protection device is removed only can rely on manual monitoring, cannot realize timely automatic reminding, provides a controllable RFID secondary safety device protection device based on aluminium foil shield, installs on the terminal row when the relay protection maintenance, and the RFID chip can keep the signal sending state, if taking down, then the RFID chip signal is disconnected, realizes the timely reminding to the maintenance personnel.

[0005] The utility model discloses a controllable RFID secondary safety device protection device based on aluminium foil shield, including support plate, set up on the support plate's RFID chip, still including setting in the installation slot of support plate upper end, set up on the upper end of support plate and cover in the installation slot's upper cover board, set up on the upper cover board's top tight column, set up on top tight spring of top tight column, set up in the shield plate of installation slot, set up on the aluminium foil layer of shield plate, set up on the button hole of support plate and set up in the button column of button hole, the RFID chip sets up on the installation slot groove bottom, top tight column sets up in the inner end surface of upper cover board and with installation slot corresponds, button hole corresponds with installation slot, the upper end surface of shield plate and top tight spring top tight, lower end surface covers on the RFID chip and with button column inner end top tight, the aluminium foil layer sets up on the end face of shield plate towards installation slot groove bottom.

[0006] The opening of the outer end of the button hole is a necked opening, and the cross section of the button column is T-shaped.

[0007] The four top-tight columns are arranged in a rectangular array.

[0008] The support plate is provided with a plug-in cylinder and a plug-in square column.

[0009] The plug-in cylinder and the plug-in square column are both provided with two columns side by side and are located on both sides of the button column.

[0010] The lower end of the upper cover plate is provided with an embedded groove, and the upper end of the support plate is embedded in the embedded groove.

[0011] The beneficial effects of the utility model are that a controllable RFID secondary safety protection device based on aluminum foil shielding is provided, an installation inner cavity is formed through an upper cover plate and a support plate, an aluminum foil layer and an RFID chip are integrated, when the safety protection device of the live equipment or element is taken down, the aluminum foil layer is tightly attached to the RFID chip under the action of a top-tight spring, signal shielding is formed and an alarm is triggered, it is ensured that when safety measure maintenance and other operations are carried out, the occurrence of unauthorized operation and unexpected situation is prevented. Not only a reliable physical shielding mechanism is realized, real-time monitoring and safety management are ensured, but also the safety of the operator is effectively improved, so that higher safety guarantee is provided in relay protection and asset management. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a sectional view of the utility model.

[0014] In the drawings, 1 is a support plate, 2 is an RFID chip, 3 is an installation groove, 4 is an upper cover plate, 5 is a top-tight column, 6 is a top-tight spring, 7 is a shielding plate, 8 is an aluminum foil layer, 9 is a button hole, 10 is a button column, 11 is a plug-in cylinder, 12 is a plug-in square column, and 13 is an embedded groove. DETAILED DESCRIPTION

[0015] For example, Figures 1-2The utility model provides a controllable RFID secondary security protection device based on aluminium foil shielding, including support board 1, set up on support board 1's RFID chip 2, still including the installation slot 3 of setting in support board 1 upper end, set up on support board 1 upper end and cover in installation slot 3's upper cover plate 4, set up on the upper cover plate 4's top tight column 5, set up on top tight column 5's top tight spring 6, set up in installation slot 3's shielding plate 7, set up on shielding plate 7's aluminium foil layer 8, set up on support board 1's button hole 9 and set up in button hole 9's button column 10, RFID chip 2 sets up on installation slot 3 groove bottom, top tight column 5 sets up in upper cover plate 4's inner end surface and with installation slot 3 corresponds, button hole 9 with installation slot 3 corresponds, shielding plate 7 upper end surface and top tight spring 6 top tight, lower end surface covers on RFID chip 2 and with button column 10 inner end top tight, aluminium foil layer 8 sets up on shielding plate 7 towards installation slot 3 groove bottom's end face.

[0016] RFID chip 2 refers to the circuit board with complete set of RFID components, can send RFID signal, RFID chip 2 is fixed on the groove bottom of installation slot 3, is provided with the opening of avoiding button column 10 on it, shielding plate 7 and aluminium foil layer 8 on it size is greater than RFID chip 2, guarantee can when adhering aluminium foil layer 8 can cover RFID chip 2 completely, shielding plate 7 is kept with RFID chip 2 adhering state through the top tight of top tight spring 6 on top tight column 5, the aluminium foil layer 8 on shielding plate 7 under adhering state shields the signal of RFID chip 2, makes RFID chip 2 signal transmission interruption.

[0017] Button column 10 inserts in button hole 9, can slide in button hole 9, button column 10 inner end and shielding plate 7 top, outer end protrudes outward, after secondary security protection device is installed to terminal row, button column 10 is extruded, slides to button hole 9, top shielding plate 7 to the direction of moving away from RFID chip 2, make shielding plate 7 and RFID chip 2 between by adhering state changes interval state, make aluminium foil layer 8 no longer shield RFID chip 2 signal transmission, make RFID chip 2 by interruption state shifts normal signal transmission state, after secondary security protection device is taken down, button column 10 no longer force, then shielding plate 7 moves towards RFID chip 2 under the action of top tight spring 6, make aluminium foil layer 8 adhere on RFID chip 2, shield RFID chip 2 signal again, signal interruption, the device cooperates alarm mechanism and can remind and alarm in time for maintenance personnel. The design adopts the mode of physical shielding, automatically controls RFID chip 2 signal transmission and interruption, after being taken down, automatically shields RFID chip 2 signal, realizes the effect of timely reminding, need not rely on manual observation.

[0018] As Figure 2As shown, the opening of the button hole 9 outer end is a necking, and the button column 10 cross section is T-shaped.

[0019] The T-shaped button column 10 and the necking button hole 9 are used in combination, so that the button column 10 can be limited in the button hole 9. It will not fall out, and when the button column 10 is not extruded by external force, it will not generate a pushing force on the shielding plate 7, and the shielding plate 7 remains in contact with the RFID chip 2.

[0020] As shown in the figure, Figure 1 The top column 5 is provided with four and arranged in a rectangular array.

[0021] The force on the shielding plate 7 is uniform, and offset is avoided.

[0022] As shown in the figure, Figure 1 It also includes a plug-in cylinder 11 and a plug-in square column 12 provided on the lower end surface of the support plate 1.

[0023] When the secondary protection device is installed, the plug-in cylinder 11 and the plug-in square column 1 are inserted into the terminal row in a way, which is simple and convenient to operate.

[0024] As shown in the figure, Figure 1 The plug-in cylinder 11 and the plug-in square column 12 are provided side by side with two, and are located on both sides of the button column 10.

[0025] The plug-in cylinder 11 and the plug-in square column 12 are provided with two, so that the secondary protection device is more stable after installation, and the position is set to adapt to the plug-in position of the terminal row.

[0026] As shown in the figure, Figure 2 The lower end of the upper cover plate 4 is provided with an embedded groove 13, and the upper end of the support plate 1 is embedded in the embedded groove 13.

[0027] After the support plate 1 is embedded in the upper cover plate 4, it can protect the upper end and the periphery of the support plate 1, improve the protection effect, and when the two are assembled, only buckling is needed, and further fixation such as rivets and bolts is no longer needed, and production and assembly are more convenient.

Claims

1. A controllable RFID secondary safety protection device based on aluminum foil shielding, comprising a support plate (1) and an RFID chip (2) disposed on the support plate (1), characterized in that: It also includes a mounting groove (3) set on the upper end of the support plate (1), an upper cover plate (4) set on the upper end of the support plate (1) and covering the mounting groove (3), a top-tightening post (5) set on the upper cover plate (4), a top-tightening spring (6) set on the top-tightening post (5), a shielding plate (7) set in the mounting groove (3), an aluminum foil layer (8) set on the shielding plate (7), a button hole (9) set on the support plate (1) and a button post (10) set in the button hole (9). The RFID chip (2) is set on the bottom of the mounting groove (3). The top-tightening post (5) is set on the inner end face of the upper cover plate (4) and corresponds to the mounting groove (3). The button hole (9) corresponds to the mounting groove (3). The upper end face of the shielding plate (7) is pressed against the top-tightening spring (6), and the lower end face covers the RFID chip (2) and is pressed against the inner end of the button post (10). The aluminum foil layer (8) is set on the end face of the shielding plate (7) facing the bottom of the mounting groove (3).

2. The controllable RFID secondary security protection device based on aluminum foil shielding according to claim 1, characterized in that: The opening at the outer end of the button hole (9) is a constricted opening, and the cross-section of the button post (10) is T-shaped.

3. The controllable RFID secondary security protection device based on aluminum foil shielding according to claim 1, characterized in that: The top clamping column (5) is provided in four and arranged in a rectangular array.

4. The controllable RFID secondary security protection device based on aluminum foil shielding according to claim 1, characterized in that: It also includes a plug-in cylindrical column (11) and a plug-in square column (12) disposed on the lower end face of the support plate (1).

5. The controllable RFID secondary security protection device based on aluminum foil shielding according to claim 4, characterized in that: The plug-in cylindrical column (11) and plug-in square column (12) are arranged in two side by side, and are located on both sides of the button column (10).

6. The controllable RFID secondary security protection device based on aluminum foil shielding according to claim 1, characterized in that: The lower end of the upper cover plate (4) is provided with an embedding groove (13), and the upper end of the support plate (1) is embedded in the embedding groove (13).

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