A disposable hot-melt soldering lead sealing device

Abstract

The present invention relates to the field of lead seal technology, specifically a disposable hot-melt soldering lead seal device, comprising a lead seal body, including a copper tube located within an outer shell and passing through two opposite sides of the outer shell, the inner wall of the copper tube being provided with a solder layer, and two opposite sides of the outer shell being provided with threading holes for accommodating a lead seal wire, the threading holes being located at both ends of the copper tube; and a heating device having heating contacts in contact with the outer side of the copper tube, the heating contacts being used to heat the copper tube and the solder inside the copper tube. The lead seal body utilizes a copper tube with solder on its inner wall, which, after heating, is fixed to a lead seal wire inserted into the copper tube to achieve lead seal production. In the resulting lead seal, the lead seal wire is fixed to the inner wall of the copper tube by the melted solder, eliminating the snap-fit structure used in conventional lead seals, making it difficult for malicious damage to remove the lead seal wire from the lead seal body.

Description

Technical Field

[0001] The invention relates to the technical field of lead sealing, in particular to a disposable hot-melt soldering lead sealing device. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] The meter's cover is secured against malicious opening by a lead seal installed on the meter. Current seals typically use a plastic seal body. After the seal wire passes through the meter body and cover, it is secured with a clip inside the seal body. This clip secures the seal wire using a specialized tool (such as a sealing clamp). Once the seal is formed, removing the meter cover requires specialized tools to separate the seal body and the seal wire. This ensures the meter's cover cannot be maliciously opened, thus protecting the meter's internal components. The clip securing the seal body and seal wire in this type of seal is limited by its inherent structure. A gap exists on the outer surface where mechanical components interlock. This gap can easily be inserted with a simple tool to disable the clip, allowing the seal wire to be easily pulled out of the seal body, potentially allowing the meter's cover to be maliciously opened. Summary of the Invention

[0004] In order to solve at least one technical problem existing in the above-mentioned background technology, the present invention provides a disposable hot-melt soldering lead sealing device, which utilizes the copper tube inside the lead seal body and the prefabricated solder on the inner wall of the copper tube. After the lead seal wire is inserted and heated, the lead seal body and the lead seal wire are fixed to complete the production of the lead seal, avoiding the use of traditional buckles.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A first aspect of the present invention provides a disposable hot-melt soldering lead sealing device, comprising:

[0007] The seal body includes an outer shell, a copper tube is arranged inside the outer shell, the inner wall of the copper tube is provided with a solder layer, and two opposite sides of the outer shell are provided with threading holes for accommodating the seal wire. The threading holes are located at both ends of the copper tube and pass through the solder layer;

[0008] The heating device comprises a heating contact in contact with the outer side of the copper tube, and the heating contact is used for heating the copper tube and the solder inside the copper tube.

[0009] One end of the lead sealing wire is connected to the outer shell, and the other end passes through the object to be locked and enters the inside of the copper tube through the wire hole.

[0010] The axis of the copper tube is non-straight inside the housing.

[0011] At least one group of heating contacts is provided on the surface of the shell, and the heating contacts are connected to the outer wall of the copper tube.

[0012] A hollow structure is provided on one side of the shell close to the copper tube. The hollow structure includes at least one group of cavities connected to the outside world, and the spacing between the multiple groups of cavities is based on set requirements.

[0013] The surface of the shell is provided with a marking area, and the marking area has the ID information of the seal body.

[0014] The heating device comprises a positioning module, a communication module, a fingerprint module, a heating module and an input module which are respectively connected to the processor.

[0015] Compared with the existing technology, one or more of the above technical solutions have the following beneficial effects:

[0016] 1. The seal body uses a copper tube with solder on the inner wall, which is fixed with the sealing wire inserted into the copper tube after heating to achieve the seal. In the resulting seal, the sealing wire is fixed to the inner wall of the copper tube by the melted solder, and the snap structure in the conventional seal is no longer used, making it difficult for the sealing wire to be removed from the seal body by malicious damage.

[0017] 2. The copper tube is non-linear inside the shell, which can increase the contact area between the lead seal wire, solder and the inner wall of the copper tube, ensuring that the bonding strength between the lead seal wire and the copper tube meets the requirements.

[0018] 3. The non-linear copper tube can prevent the solder from flowing out of the threading hole after melting.

[0019] 4. After the lead seal is made, the solder in the copper tube is heated to fix the lead seal wire on the inner wall of the copper tube. It cannot be reheated to pull out the lead seal wire, thus forming a non-reusable disposable lead seal. The lead seal cannot be removed by repeated heating, thus preventing the cover of the electricity meter from being maliciously opened.

[0020] 5. When the copper tube is heated with an incorrect heating curve, the hollow structure of the seal near the copper tube can cause the seal body to deform on a large scale on its side before melting, causing the seal to fail, thus forming an anti-counterfeiting function. The deformation of the seal can then warn authorized personnel that "the seal of the electricity meter was made with illegal tools", which is conducive to subsequent inspections of the electricity meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0022] Figure 1 This is a schematic structural diagram of a lead seal body and a heating device provided by one or more embodiments of the present invention;

[0023] In the figure: 1. Lead seal body, 11. Lead seal wire, 12. Threading hole, 13. Hollow structure, 14. Heating contact, 15. Copper tube, 16. QR code, 2. Heating device, 21. Processor, 22. Positioning module, 23. Communication module, 24. Fingerprint module, 25. Battery pack, 26. Heating module. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] It should be noted that the following detailed descriptions are exemplary and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention belongs.

[0026] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0027] Lead seal, a component that fixes the two ends of the lead seal wire together after the lead seal wire passes through the electricity meter body and the meter cover. It is usually made of plastic.

[0028] As described in the background technology, in the lead seal of the prior art, the clip that fixes the lead seal body and the lead seal wire is limited by its own structure, and there is a gap on the outer surface where the mechanical parts are embedded with each other. It is easy to use a simple tool to insert into the gap to make the clip ineffective, so that the lead seal wire is pulled out of the lead seal body, and then the cover of the electricity meter is maliciously opened.

[0029] Therefore, the following embodiment provides a disposable hot-melt soldering lead sealing device, which utilizes the copper tube inside the lead seal body and the prefabricated solder on the inner wall of the copper tube. After the lead seal wire is inserted and heated, the lead seal body and the lead seal wire are fixed, avoiding the use of traditional buckles. In conjunction with the QR code on the lead seal, the heating device executes different heating curves according to the lead seal material information contained in the QR code, thereby completing the production of the lead seal.

[0030] Example 1:

[0031] like Figure 1 As shown, the purpose of this embodiment is to provide a one-time hot-melt soldering lead sealing device, comprising:

[0032] The seal body 1 includes an outer shell, a copper tube 15 is disposed inside the outer shell, the inner wall of the copper tube 15 is provided with a solder layer, and two opposite sides of the outer shell are provided with threading holes 12 for accommodating the seal wire 11. The threading holes are located at both ends of the copper tube 15 and pass through the solder layer;

[0033] The heating device 2 has a heating contact in contact with the outer side of the copper tube 15 , and the heating contact is used to heat the solder inside the copper tube 15 .

[0034] One end of the sealing wire 11 is connected to the outer shell. In this embodiment, the other end of the sealing wire 11 passes through the electricity meter body and the meter cover and then enters the wire hole 12. After the copper tube 15 is heated, the solder inside melts and fixes the sealing wire 11 to the inner wall of the copper tube 15, forming a disposable sealing structure.

[0035] The copper tube 15 is non-linear inside the shell. For example, the axis of the copper tube 15 in this embodiment is curved, thereby increasing the contact area between the lead sealing wire 11 and the solder and the inner wall of the copper tube 15, thereby improving the fixing effect by increasing the friction force and preventing the solder from flowing out of the copper tube 15 after melting.

[0036] At least one set of heating contacts 14 is provided on the outer surface of the housing, connected to the outer wall of the copper tube 15. In this embodiment, the outer wall of the copper tube 15 is exposed at two locations on the housing, forming two sets of heating contacts 14. The heating contacts 14 are used to connect to the heating contacts of the heating device 2, so that the heat generated by the heating device 2 is transferred to the copper tube 15 and the solder inside.

[0037] In this embodiment, the heating contact 14 and the heating contact head are not limited to a specific connection structure, as long as the two are in close contact so that the heat of the heating contact head is transferred to the copper tube 15 via the heating contact 14 .

[0038] A hollow structure 13 is provided on the side of the housing near the copper tube 15. Hollow structure 13 includes at least one set of cavities connected to the outside world. The spacing between the multiple cavities is determined based on pre-set requirements, and the dimensions of each set of cavities are also determined based on pre-set requirements. In this embodiment, different seal bodies 1 are made of different plastic materials. When the copper tube 15 is heated, the heat affects the seal body 1. The heating device 2 will implement different heating curves (i.e., temperature-time curves, related to different material properties) based on the different materials of the seal body 1. If the heating process does not follow the heating curve corresponding to the material of the seal body 1, the seal body 1 will melt due to excessive temperature or prolonged heating time, resulting in deformation and failure of the seal. Before melting, the presence of hollow structure 13 causes large-scale irregular deformation on one side of the seal body 1, and the deformation occurs on the side near the copper tube 15 (where the temperature is highest).

[0039] In this way, the hollow structure 13 forms an anti-counterfeiting function. Only by knowing the heating curve corresponding to the material of the seal body 1 can the seal be made. This prevents unauthorized personnel from using homemade or uncontrolled heating tools to heat the copper tube 15 inside the seal body 1, resulting in failure of the seal. When the seal fails, the seal wire 11 is still fixed inside the copper tube 15 and cannot be removed, forming a locking function against illegal tools. The seal is deformed to warn authorized personnel that "the seal of the electricity meter is made by illegal tools", which is conducive to subsequent inspection of the electricity meter.

[0040] The shell surface has a marking area, which stores the ID information of the seal body 1. In this embodiment, the marking area can be a QR code 16, which stores the ID information of the seal body 1; it can also be a group of numbers used to represent the ID information of the seal body 1.

[0041] The heating device 2 includes a positioning module 22, a communication module 23, a fingerprint module 24, a heating module 26 and an input module respectively connected to the processor 21, and also has a battery pack 25 for powering the above modules. The battery pack is used to power each module, which is an existing technology and will not be repeated in this embodiment.

[0042] The positioning module 22 is used to obtain the location information of the heating device 2, the communication module 22 is used for wireless or wired communication between the heating device 2 and the background server, the heating module 26 is used to realize the heating of the heating contact, and the fingerprint module 24 is used by the staff to unlock the control authority of the heating device 2. The above modules are all existing structures and will not be repeated in this embodiment.

[0043] The input module can be a numeric keyboard or a code scanning module. The numeric keyboard is used to manually input information in the mark area, and the code scanning module is used to scan the QR code. The numeric keyboard or the code scanning module are both existing structures and will not be repeated in this embodiment.

[0044] The heating device 2 further comprises a memory, which stores material information and a heating curve corresponding to the ID information of the seal body 1 .

[0045] The heating device 2 obtains the information in the shell marking area by scanning the code or manually inputting it, communicates with the background server through the communication module 23, and obtains the password for the seal heating curve. The processor 21 executes the heating curve corresponding to the seal body 1 ID according to the password, and transmits the temperature change instruction generated over time in the heating curve to the heating module 26, which is transmitted to the copper tube 15 and the solder in the copper tube 15 through the heating contact and the heating contact 14. Therefore, under the premise that the shell of the seal body 1 does not deform, the seal wire 11 and the copper tube 15 are fixed together by soldering to realize the production of the seal.

[0046] The heating module 26 in the heating device 2 may be a known hardware structure that can achieve a heating function with temperature changes.

[0047] In the lead seal of the above structure, the lead seal body is made of a copper tube with solder on the inner wall, which is fixed to the lead seal wire inserted into the copper tube after heating. In the resulting lead seal, the lead seal wire is fixed to the inner wall of the copper tube by the melted solder, and the snap structure of the conventional lead seal is no longer used, making it difficult for the lead seal wire to be maliciously damaged and pulled out from the lead seal body.

[0048] The copper tube is non-linear inside the shell, which can increase the contact area between the lead sealing wire, solder and the inner wall of the copper tube, ensuring that the bonding strength between the lead sealing wire and the copper tube meets the requirements.

[0049] The non-straight copper tube can prevent the solder from flowing out of the threading hole after melting.

[0050] After the lead seal is made, the solder in the copper tube is heated to fix the lead seal wire on the inner wall of the copper tube. It cannot be reheated to pull out the lead seal wire, thus forming a non-reusable disposable lead seal. The lead seal cannot be removed by repeated heating, thus preventing the cover of the electricity meter from being maliciously opened.

[0051] When the copper tube is heated using an incorrect heating curve, the hollow structure of the lead seal near the copper tube can cause the side of the lead seal to deform over a large area before melting, causing the seal to fail, thereby forming an anti-counterfeiting function. The deformation of the lead seal can then serve as a warning to authorized personnel that "the lead seal of the electricity meter was made with illegal tools", thereby facilitating subsequent inspections of the electricity meter.

[0052] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A disposable hot melt soldering lead sealing device, characterized by: include: The lead seal body includes an outer shell, a copper tube is disposed inside the outer shell, the inner wall of the copper tube is provided with a solder layer, and threading holes for accommodating the lead seal wire are provided on two opposite sides of the outer shell. The threading holes are located at both ends of the copper tube and pass through the solder layer; the axis of the copper tube is non-linear inside the outer shell; A heating device, comprising a heating contact in contact with the outer side of the copper tube, the heating contact being used to heat the copper tube and the solder inside the copper tube; A hollow structure is provided on one side of the shell close to the copper tube; and the lead seal body is made of plastic.

2. A one-time hot-melt soldering lead sealing device according to claim 1, characterized in that: One end of the lead sealing wire is connected to the outer shell.

3. A one-time hot-melt soldering lead sealing device as claimed in claim 2, characterized in that: The other end of the lead sealing wire passes through the object to be locked and enters the interior of the copper tube through the wire threading hole.

4. A one-time hot-melt soldering lead sealing device according to claim 1, characterized in that: At least one group of heating contacts is provided on the surface of the shell.

5. A one-time hot-melt soldering lead sealing device as claimed in claim 4, characterized in that: The heating contact is connected to the outer wall of the copper tube.

6. A one-time hot-melt soldering lead sealing device as claimed in claim 1, characterized in that: The hollow structure includes at least one group of cavities communicating with the outside world, and the spacing between the multiple groups of cavities is based on set requirements.

7. A one-time hot-melt soldering lead sealing device according to claim 1, characterized in that: The shell surface is provided with a marking area, and the marking area has the ID information of the seal body.

8. A one-time hot-melt soldering lead sealing device as claimed in claim 1, characterized in that: The heating device includes a positioning module, a communication module, a fingerprint module, a heating module and an input module which are respectively connected to the processor.

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