Radio frequency identification (RFID) electronic tag for railway

Abstract

The utility model discloses an RFID electronic tag for a railway, and belongs to the technical field of electronic tags, the RFID electronic tag is characterized in that the RFID electronic tag comprises a shell, a tag body and a substrate, a placement cavity is formed in the shell, the tag body and the substrate are both arranged in the placement cavity, the tag body is connected with the substrate, and the substrate is connected with the shell. The substrate is connected with the shell, so that the label body can be fixed; through holes are formed in the two ends of the shell, metal rings connected with the shell are arranged in the through holes, fixing bolts penetrate through the interiors of the metal rings, the fixing bolts are fixedly connected with railway supporting columns through nuts and used for fixing the shell, and the heads of the fixing bolts abut against the metal rings. The effect of improving the installation reliability of the large-size RFID electronic tag is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic tags, in particular to a railway RFID electronic tag. BACKGROUND

[0002] In recent years, with the rapid development of the transportation industry, the demand for equipment state monitoring and maintenance is growing, and the traditional bar code identification method has been difficult to meet the requirements of modern high speed and high precision. RFID (Radio Frequency Identification) technology has gradually become one of the preferred technologies in this field due to its unique advantages, such as large data storage capacity, fast reading speed, strong anti-adverse environment capability and other characteristics.

[0003] In the field of railways, RFID electronic tags are also widely used, especially in the process of railway catenary support information management and inspection and maintenance records, involving a variety of equipment and large amounts of data, which are difficult to identify manually. Therefore, RFID electronic tags are usually installed on the metal pillars on both sides of the railway, and the data of these chips are read by the reader to simplify the equipment maintenance and inspection process.

[0004] In order to further improve the inspection efficiency of railway workers, the size of the RFID electronic tag is increased to increase the coverage of the signal. The RFID electronic tag is usually fixed by magnetic attraction or adhesion. However, the weight of the large-volume RFID electronic tag is large, and it is difficult to ensure the reliability of the installation of the large-volume RFID electronic tag by the two fixing methods of magnetic attraction or adhesion. CONTENT OF THE INVENTION

[0005] In order to improve the reliability of the installation of the large-volume RFID electronic tag, the present application provides a railway RFID electronic tag.

[0006] The railway RFID electronic tag provided by the present application adopts the following technical scheme:

[0007] A railway RFID electronic tag, comprising a shell, a tag body and a substrate, a placing cavity is formed in the inside of the shell, the tag body and the substrate are both arranged in the placing cavity, the tag body is connected with the substrate, the substrate is connected with the shell, and the fixation of the tag body can be realized; a through hole is formed in both ends of the shell, a metal ring connected with the shell is arranged in the through hole, a fixing bolt passes through the inside of the metal ring, the fixing bolt is fixedly connected with the railway pillar through a nut, the fixation of the shell can be realized, and the head of the fixing bolt abuts against the metal ring.

[0008] By adopting the technical scheme, reliable fixation of the RFID electronic tag for railway is realized, and stability of the large-volume RFID electronic tag on the railway pillar is improved. Specifically, the electronic tag is large in volume and heavy in weight, therefore, a large-size fixing bolt is used, and a large tightening force is used to fix the shell on the railway pillar, so that stability of the electronic tag under various environmental conditions is ensured, and the risk of falling due to factors such as vibration or wind is avoided. At this time, the metal ring is arranged in the through hole at both ends of the shell, and the fixing bolt is abutted with the metal ring, so that the possibility of damage of the shell is reduced. In addition, the design is convenient for installation and disassembly, and facilitates daily inspection and replacement operation of maintenance personnel.

[0009] Preferably, the metal ring is fused with the shell.

[0010] By adopting the technical scheme, the metal ring is fused with the shell, so that the connection strength and stability between the two can be significantly enhanced, and loosening due to vibration or external impact during long-term use is avoided. This fixing mode not only improves the overall structural stability of the RFID electronic tag, but also prolongs the service life and reduces the maintenance cost. At the same time, the fusion process is simple and reliable, and is convenient for production and installation, and is suitable for large-scale production application.

[0011] Preferably, the inner wall of the through hole is jagged.

[0012] By adopting the technical scheme, the jagged inner wall of the through hole increases the friction between the fixing bolt and the metal ring, improves the stability of the fixing bolt in the metal ring, and enhances the reliability and firmness of the shell fixation.

[0013] Preferably, the shell comprises a first half shell and a second half shell, the placement cavity is arranged on the second half shell, the second half shell is provided with a mounting groove in communication with the placement cavity, and the first half shell is arranged in the mounting groove and is welded and fixed with the second half shell.

[0014] By adopting the technical scheme, the shell is designed as two parts of the first half shell and the second half shell, and the mounting groove in communication with the placement cavity is arranged on the second half shell, so that the first half shell can be embedded in the mounting groove and fixed by welding, thereby improving the overall structural strength and sealing performance of the shell, and ensuring the stability and durability of the RFID electronic tag under harsh environments. At the same time, the modular design is convenient for production and assembly, and reduces the manufacturing cost.

[0015] Preferably, the second half shell is provided with a containing groove in communication with the through hole, the thickness of the second half shell gradually decreases from the middle part to the edge, and the groove bottom plane of the containing groove is arranged flush with the end face of the metal ring.

[0016] By adopting the technical scheme, the holding groove on the second half shell is communicated with the through hole, so that the head of the fixing bolt can be effectively accommodated, and since the groove bottom plane of the holding groove is arranged flush with the end face of the metal ring, the close contact between the fixing bolt and the metal ring is ensured, and the reliability and stability of the fixation are improved.

[0017] Preferably, the first half shell is provided with a first sealing groove, and the second half shell is provided with a second sealing groove, the first sealing groove and the second sealing groove are located around the placement cavity, and the second sealing groove and the second sealing groove cooperate to form a sealing cavity when the first half shell and the second half shell are closed.

[0018] By adopting the technical scheme, the first sealing groove on the first half shell and the second sealing groove on the second half shell cooperate to form a sealing cavity when closed, and a sealing ring is clamped in the sealing cavity, so that the moisture, dust and other external impurities are effectively prevented from entering the placement cavity, the label body and the substrate are protected from damage, and the service life of the RFID electronic tag is prolonged.

[0019] Preferably, the sealing cavity is arranged on one side of the through hole close to the placement cavity.

[0020] By adopting the technical scheme, the sealing cavity is arranged on one side of the through hole close to the placement cavity, so that the external moisture and dust can be effectively prevented from entering the placement cavity, the waterproof and dustproof performance of the RFID electronic tag is improved, and the stable operation of the RFID electronic tag in harsh environment is ensured.

[0021] Preferably, the placement cavity is provided with a support rib connected with the shell.

[0022] By adopting the technical scheme, the support rib can effectively enhance the structural strength of the placement cavity, prevent the label body from being damaged due to external impact or vibration, and ensure the stability and reliability of the RFID electronic tag in the long-term use process.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. The reliable fixation of the RFID electronic tag for railway is realized, and the stability of the large-volume RFID electronic tag on the railway pillar is improved. Specifically, the electronic tag has large volume and heavy weight, therefore, a large-size fixing bolt is used, and a large tightening force is used to fix the shell on the railway pillar, which ensures the stability of the electronic tag under various environmental conditions, and avoids the risk of falling due to factors such as vibration or wind force. At this time, metal rings are arranged in the through holes at both ends of the shell, and the fixing bolt is abutted with the metal rings, which reduces the possibility of shell damage. In addition, this design also facilitates installation and disassembly, and facilitates daily inspection and replacement operations by maintenance personnel;

[0025] 2. The first half shell and the second half shell are fixed by welding, and a sealing ring is arranged around the placement cavity, which forms a good waterproof and dustproof sealing effect, and further enhances the protection capability of the tag, and adapts to complex outdoor working environment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of a RFID electronic tag for railway.

[0027] Figure 2 It is a schematic diagram of the structure inside the shell.

[0028] Figure 3 It is a schematic diagram of the position of the second half shell and the through hole.

[0029] Figure 4 It is Figure 3 the enlarged schematic diagram of part A in

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, shell; 11, first half shell; 12, second half shell; 121, mounting groove; 2, placement cavity; 21, support rib; 3, tag body; 4, substrate; 5, through hole; 51, containing groove; 6, fixing bolt; 7, metal ring; 8, sealing cavity; 81, first sealing groove; 82, second sealing groove; 9, sealing ring. DETAILED DESCRIPTION

[0032] In order for those skilled in the art to better understand the technical solutions in the specification, the technical solutions in the specification will be described clearly and completely in conjunction with the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0033] In the description of the embodiments of the present application, the words "for example" or "such as" are used to represent an example, an illustration, or a description. Any embodiment or design scheme described as "for example" or "such as" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, the use of the words "for example" or "such as" is intended to present the relevant concept in a specific manner.

[0034] In the description of the embodiments of the present application, the term "a plurality of" means two or more. For example, a plurality of systems means two or more systems, and a plurality of screen terminals means two or more screen terminals. In addition, the terms "first" and "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized.

[0035] An RFID electronic tag for railway, referring to Figure 1 and Figure 2 , comprising a shell 1, a tag body 3 and a substrate 4. The shell 1 is internally provided with a placement cavity 2, the tag body 3 and the substrate 4 are both arranged in the placement cavity 2, the tag body 3 is connected with the substrate 4, the substrate 4 is connected with the shell 1, and the fixation of the tag body 3 can be realized. The shell 1 is provided with through holes 5 at both ends, the through holes 5 are provided with metal rings 7 connected with the shell 1, the metal rings 7 are internally penetrated by fixing bolts 6, the fixing bolts 6 are fixedly connected with the railway pillars through nuts, the fixation of the shell 1 can be realized, and the heads of the fixing bolts 6 abut against the metal rings 7.

[0036] The electronic tag has a large volume and a large weight, therefore, a large specification fixing bolt 6 is used, and a large tightening force is used to fix the shell 1 on the railway pillar, so as to ensure the stability of the electronic tag under various environmental conditions and avoid the risk of falling due to factors such as vibration or wind force. At this time, the metal rings 7 are arranged in the through holes 5 at both ends of the shell 1, and the fixing bolts 6 abut against the metal rings 7, so as to reduce the possibility of damage of the shell 1. In summary, the electronic tag realizes the reliable fixation of the RFID electronic tag for railway, and improves the stability of the large-volume RFID electronic tag on the railway pillar.

[0037] Referring to Figure 2 , the placement cavity 2 is arranged in the middle of the shell 1, and the thickness of the shell 1 gradually decreases at both ends.

[0038] Referring to Figure 1 and Figure 2The shell 1 comprises a first half shell 11 and a second half shell 12. The first half shell 11 is a plate-shaped body, and the second half shell 12 is provided with a mounting groove 121, and the first half shell 11 is placed in the mounting groove 121, and the first half shell 11 and the second half shell 12 are welded and fixed. The placement cavity 2 is provided on the second half shell 12, and the mounting groove 121 is communicated with the placement cavity 2. The thickness of the second half shell 12 gradually decreases from the middle to the edge.

[0039] The shell 1 welded and fixed not only improves the overall strength and durability of the shell 1, but also ensures the stability and protection performance of the internal tag body 3. This design makes the electronic tag have better anti-vibration ability and waterproof and dustproof effect in harsh railway environment, prolongs the service life.

[0040] Referring to Figure 2 , the tag body 3 comprises an antenna and a chip, and the tag body 3 is pasted on the substrate 4. The substrate 4 is clamped with the shell 1, which ensures the firm installation of the tag body 3.

[0041] Referring to Figure 2 , the placement cavity 2 is provided with a support rib 21, and the support rib 21 is integrally formed with the shell 1. The shape of the support rib 21 can be linear or curved, which is designed according to actual needs. The number and distribution position of the support rib 21 are set according to actual situation.

[0042] The setting of the support rib 21 can effectively enhance the structural strength in the placement cavity 2, prevent the tag body 3 from being damaged due to external impact or vibration, and thus ensure the stability and reliability of the RFID electronic tag in the long-term use.

[0043] Referring to Figure 1 , the through hole 5 is provided on the second half shell 12, and the side wall of the through hole 5 is designed in a zigzag shape. The metal ring 7 is fused with the second half shell 12.

[0044] The zigzag inner wall of the through hole 5 increases the friction between the fixed bolt 6 and the metal ring 7, improves the stability of the fixed bolt 6 in the metal ring 7, and thus enhances the reliability and firmness of the shell 1.

[0045] Referring to Figure 2 , Figure 3 and Figure 4 , the second half shell 12 is provided with a containing groove 51 away from the first half shell 11, the containing groove 51 is communicated with the through hole 5, and the containing groove 51 and the through hole 5 are coaxially arranged. The surface of the containing groove 51 close to the first half shell 11 is the groove bottom of the containing groove 51, which is provided in a plane, and the groove bottom of the containing groove 51 is flush with the end surface of the metal ring 7.

[0046] The containing groove 51 can effectively contain the head of the fixing bolt 6, and the groove bottom plane of the containing groove 51 is arranged flush with the end face of the metal ring 7, so as to ensure the close contact between the fixing bolt 6 and the metal ring 7, and improve the reliability and stability of the fixing.

[0047] With reference to Figure 1 and Figure 2 The first half shell 11 is provided with a first sealing groove 81, and the second half shell 12 is provided with a second sealing groove 82, both of which are located around the placement cavity 2; when the first half shell 11 is combined with the second half shell 12, the second sealing groove 82 cooperates with the second sealing groove 82 to form a sealing cavity 8, which is arranged on the side of the through hole 5 close to the placement cavity 2. A sealing ring 9 is clamped in the sealing cavity 8, which is preferably made of silica gel material.

[0048] The sealing cavity 8 and the sealing ring 9 effectively prevent external moisture and dust from entering the placement cavity 2, improve the waterproof and dustproof performance of the RFID electronic tag, and ensure that it can still work stably in harsh environments. At the same time, this design can also enhance the overall structural strength of the label and prolong its service life.

[0049] Silica gel material has good elasticity and water resistance, which can further reduce the possibility of moisture and dust entering the inside of the electronic tag, thereby effectively preventing the influence of the external environment on the internal circuit and improving the reliability and stability of the label.

[0050] The use principle of the present application is as follows: by passing two fixing bolts 6 through respective metal rings 7, the fixing bolt 6 is threadedly connected with the railway pillar, so as to realize the reliable fixation of the RFID electronic tag. The fixation problem of large-volume RFID electronic tags is effectively solved, and the normal work of the label in various harsh environments is ensured, thereby greatly improving the inspection efficiency and the accuracy of equipment management.

[0051] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. An RFID electronic tag for railway use, characterized by: The utility model provides a label fixing device, including shell (1), label body (3) and base plate (4), the inside of shell (1) is set up with and places the cavity (2), label body (3) and base plate (4) all are located in the placement cavity (2), label body (3) is connected with base plate (4), base plate (4) is connected with shell (1), can realize the fixation of label body (3), both ends of shell (1) are set up with through -hole (5), the through -hole (5) is equipped with the metal ring (7) of being connected with shell (1), the inside of metal ring (7) is crossed with fixed bolt (6), fixed bolt (6) is fixedly connected with railway pillar through nut, can realize the fixation of shell (1), the head of fixed bolt (6) is in abutment with metal ring (7).

2. The RFID electronic tag for railway as claimed in claim 1, wherein: The metal ring (7) is fused to the shell (1).

3. The RFID electronic tag for railway as claimed in claim 1 or 2, wherein: The inner wall of the through hole (5) is jagged.

4. The RFID electronic tag for railway as claimed in claim 1, wherein: The shell (1) includes a first half shell (11) and a second half shell (12), the placement cavity (2) is formed in the second half shell (12), the second half shell (12) is provided with an installation groove (121) in communication with the placement cavity (2), the first half shell (11) is placed in the installation groove (121), and the first half shell (11) and the second half shell (12) are welded and fixed.

5. The RFID electronic tag for railway as claimed in claim 4, wherein: The second half shell (12) is provided with a containing groove (51) in communication with the through hole (5), the thickness of the second half shell (12) gradually decreases from the middle to the edge, and the bottom plane of the containing groove (51) is arranged flush with the end face of the metal ring (7).

6. The RFID electronic tag for railway as claimed in claim 4, wherein: The first half shell (11) is provided with a first sealing groove (81), and the second half shell (12) is provided with a second sealing groove (82), the first sealing groove (81) and the second sealing groove (82) are located around the placement cavity (2), the second sealing groove (82) and the second sealing groove (82) form a sealing cavity (8) when the first half shell (11) and the second half shell (12) are closed, and a sealing ring (9) is clamped in the sealing cavity (8).

7. The RFID electronic tag for railway as claimed in claim 6, wherein: The sealing cavity (8) is located on the side of the through hole (5) close to the placement cavity (2).

8. The RFID electronic tag for railway as claimed in claim 1 wherein: The placement cavity (2) is provided with a support rib (21) connected with the shell (1).

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