Intelligent instrument seal

Abstract

The utility model relates to an intelligent instrument seal, which belongs to the technical field of instrument seals and comprises an upper cover, an RFID chip, a clamping piece and a lower cover, a mounting groove is arranged in the upper cover, the RFID chip is mounted in the mounting groove, the lower cover is directly injection-molded on the upper cover through secondary injection molding, the clamping piece is mounted in the lower cover, and the lower cover comprises an inner insertion structure, a limiting structure and a clamping structure. The inner inserting structure, the limiting structure and the clamping structure are all hollow cylinders, a plurality of elastic notches are formed in the clamping structure, a seal is formed through injection molding, numerical codes and two-dimensional codes are engraved on the surface through laser, the anti-theft performance is poor, an RFID chip is installed on an upper cover through an inverted packaging machine, and the safety of a product is improved; and the clamping pins are changed from previous plastic into integral iron pieces, so that the clamping pins are prevented from being broken in the electric meter box when the seal is taken out, and the influence on the electric meter box and re-installation of the seal is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of instrument seal, specifically a kind of intelligent instrument seal. BACKGROUND

[0002] Before instrument seal is mainly through plastic injection molding, laser engraving numerical code and two-dimensional code on surface, easy to be copied, and instrument box is opened to steal and cannot be found. Now seal interior prints antenna, so that seal has uniqueness, to prevent being copied, in addition, the seal of the prior art is integrally injection molded by plastic, when the seal is damaged, the plastic clamping leg will be broken in the mounting hole, which affects the next installation.

[0003] The intelligent seal of the present design is mainly installed on intelligent electric energy meter, metering box (cabinet), acquisition terminal and secondary terminal box of mutual inductor, etc. It is used for preventing unauthorized personnel from illegally opening electric energy metering device and related equipment in the links of factory delivery, verification, on-site installation and maintenance of metering equipment. UTILITY MODEL CONTENTS

[0004] 1. TECHNICAL PROBLEM TO BE SOLVED BY THE UTILITY MODEL

[0005] The utility model aims at solving the problems proposed in the above background.

[0006] 2. TECHNICAL SCHEME

[0007] To achieve the above purpose, the technical scheme provided by the utility model is as follows:

[0008] The utility model discloses an intelligent instrument seal, which comprises a top cover, an RFID chip, a clamping piece and a bottom cover, the top cover is internally provided with a mounting groove, the RFID chip is mounted in the mounting groove, the bottom cover is directly injection molded on the top cover through secondary injection molding, the clamping piece is mounted in the bottom cover, and the bottom cover comprises an internal insertion structure, a limiting structure and a clamping structure.

[0009] Preferably, the top cover is internally provided with a first circular groove, the first circular groove is internally provided with a coaxial second circular groove, the RFID chip is mounted in the second circular groove, and the internal insertion structure is mounted in the first circular groove.

[0010] Preferably, the outer wall of the top cover is provided with an anti-skid groove.

[0011] Preferably, the clamping piece is a circular ring structure, the side wall of the clamping piece is provided with a plurality of openings, each opening is internally provided with a clamping leg, one end of the clamping leg is connected to the edge of the opening, and the other end extends into the clamping piece.

[0012] Preferably, the inner wall of the bottom cover is attached and mounted with the outer wall of the clamping piece, and the outer diameter of the clamping piece is greater than the inner diameter of the bottom cover.

[0013] Preferably, the clamping piece is made of stainless steel.

[0014] Preferably, the number and position of the elastic notches correspond to the openings of the clamping piece.

[0015] Preferably, the lower cover and the clamping piece press on the RFID chip, and the length of the clamping piece is less than the length of the lower cover.

[0016] Preferably, the end of the lower cover away from the upper cover is chamfered.

[0017] Preferably, the end of the elastic notch away from the upper cover penetrates the lower cover.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the technical scheme has the following beneficial effects:

[0020] The intelligent instrument seal of the utility model, previously seal through injection molding, surface laser engraving numerical code and two-dimensional code theft resistance is poor, now through the inverted packaging machine installs the RFID chip on the upper cover, increased the security of product, the clamping leg is changed from the previous plastic to the whole iron piece, avoids the clamping leg to break in the electric meter box when taking out the seal, influences the electric meter box and the installation of the seal again. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is the whole structure schematic view of the intelligent instrument seal of the utility model;

[0022] Fig. 2 It is the explosion structure schematic view of the intelligent instrument seal of the utility model.

[0023] Explanation of the reference numerals in the schematic view:

[0024] 100, upper cover; 110, first circular groove; 120, second circular groove; 130, anti-skid groove;

[0025] 200, RFID chip;

[0026] 300, clamping piece; 310, opening; 320, clamping leg;

[0027] 400, lower cover; 410, internal insertion structure; 420, limiting structure; 430, clamping structure; 440, elastic notch. DETAILED DESCRIPTION

[0028] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0029] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0030] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0031] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0032] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0034] Embodiment 1

[0035] Referring to the drawings Figs. 1-2 The smart meter seal of the present embodiment comprises an upper cover 100, an RFID chip 200, a clamping piece 300 and a lower cover 400. The upper cover 100 is provided with a mounting groove, the RFID chip 200 is mounted in the mounting groove, the lower cover 400 is directly injection molded on the upper cover 100 by secondary injection molding, and the clamping piece 300 is mounted in the lower cover 400. The lower cover 400 comprises an inner insertion structure 410, a limiting structure 420 and a clamping structure 430. The inner insertion structure 410, the limiting structure 420 and the clamping structure 430 are all hollow cylindrical shapes. The clamping structure 430 is provided with a plurality of elastic grooves 440.

[0036] The upper cover 100 of the present embodiment is provided with a first circular groove 110, the first circular groove 110 is provided with a coaxial second circular groove 120, the RFID chip 200 is mounted in the second circular groove 120, and the inner insertion structure 410 is mounted in the first circular groove 110.

[0037] The outer wall of the upper cover 100 of the present embodiment is provided with an anti-skid groove 130.

[0038] The clamping piece 300 of the present embodiment is a circular ring structure. The side wall of the clamping piece 300 is provided with a plurality of openings 310. Each opening 310 is provided with a clamping leg 320. One end of the clamping leg 320 is connected to the edge of the opening 310, and the other end extends into the interior of the clamping piece 300.

[0039] The inner wall of the lower cover 400 of the present embodiment is mounted in close contact with the outer wall of the clamping piece 300. The outer diameter of the clamping piece 300 is greater than the inner diameter of the lower cover 400.

[0040] The clamping piece 300 of the present embodiment is made of stainless steel.

[0041] The number and position of the elastic grooves 440 of the present embodiment correspond one-to-one to the openings 310 of the clamping piece 300.

[0042] The clamping piece 300 and the lower cover 400 of the present embodiment are both pressed on the RFID chip 200. The length of the clamping piece 300 is less than the length of the lower cover 400.

[0043] The end of the lower cover 400 of the present embodiment away from the upper cover 100 is provided with a chamfer.

[0044] The end of the elastic groove 440 of the present embodiment away from the upper cover 100 penetrates through the lower cover 400.

[0045] The structure of the above design, the previous seal is formed by injection molding, the surface is laser-engraved with a numerical code and a two-dimensional code, and the anti-theft performance is poor, and the RFID chip 200 is installed on the upper cover 100 through a flip chip bonder, so that the safety of the product is improved; the clamping leg 320 is changed from the previous plastic to an integral iron piece, so that the clamping leg 320 is prevented from being broken in the electric meter box when the seal is taken out, and the electric meter box and the reinstallation of the seal are affected.

[0046] The above-described embodiments only express certain implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as a limitation on the utility model patent scope; it should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model; therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A seal for a smart meter, characterized by: The application relates to a card with an RFID chip, which comprises an upper cover (100), an RFID chip (200), a card piece (300) and a lower cover (400), wherein the upper cover (100) is internally provided with a mounting groove, the RFID chip (200) is mounted in the mounting groove, the lower cover (400) is directly injection molded on the upper cover (100) through secondary injection molding, the card piece (300) is mounted in the lower cover (400), the lower cover (400) comprises an internal insertion structure (410), a limiting structure (420) and a clamping structure (430), the internal insertion structure (410), the limiting structure (420) and the clamping structure (430) are all hollow cylindrical, and the clamping structure (430) is provided with a plurality of elastic grooves (440).

2. A seal for a smart meter according to claim 1, wherein: The upper cover (100) is internally provided with a first circular groove (110), the first circular groove (110) is internally provided with a coaxial second circular groove (120), the RFID chip (200) is mounted in the second circular groove (120), and the internal insertion structure (410) is mounted in the first circular groove (110).

3. A seal for a smart meter according to claim 2, wherein: The outer wall of the upper cover (100) is provided with an anti-skid groove (130).

4. The smart meter seal of claim 1, wherein: The card piece (300) is a circular ring structure, the side wall of the card piece (300) is provided with a plurality of openings (310), each opening (310) is internally provided with a clamping leg (320), one end of the clamping leg (320) is connected to the edge of the opening (310), and the other end of the clamping leg (320) extends into the card piece (300).

5. The smart meter seal of claim 1, wherein: The inner wall of the lower cover (400) is attached and mounted with the outer wall of the card piece (300), and the outer diameter of the card piece (300) is larger than the inner diameter of the lower cover (400).

6. The smart meter seal of claim 1, wherein: The card piece (300) is made of stainless steel.

7. The smart meter seal of claim 1, wherein: The number and position of the elastic grooves (440) correspond to the openings (310) of the card piece (300) one by one.

8. The smart meter seal of claim 1, wherein: The lower cover (400) and the card piece (300) are both pressed on the RFID chip (200), and the length of the card piece (300) is smaller than the length of the lower cover (400).

9. The smart meter seal of claim 1, wherein: The end, away from the upper cover (100), of the lower cover (400) is provided with a chamfer.

10. The smart meter seal of claim 1, wherein: The end, away from the upper cover (100), of the elastic groove (440) penetrates the lower cover (400).

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