A dry reed switch structure

Abstract

The application discloses a dry reed switch structure and relates to the technical field of magnetic induction switches, which comprises a dry reed magnetic switch component, and a sealing component is arranged on the outer middle part of the dry reed magnetic switch component for sealing. The upper glass tube and the lower glass tube are butted together, the sealing ring can be sealed between the upper sealing groove and the lower sealing groove, the butting part of the upper glass tube and the lower glass tube is sealed, the fixed sleeve is arranged on the butting part of the upper glass tube and the lower glass tube, the heat-sealing film is heated, the heat-sealing film tightly arranges the fixed sleeve on the outer wall of the butting part of the upper glass tube and the lower glass tube, the upper glass tube and the lower glass tube are completely sealed, the inert gas in the interior is sealed, the dry reed switch structure and the dry reed switch structure provided with the integrated glass tube have the same effect, the dry reed switch structure is disassembled to replace the parts after failure, and the dry reed switch structure is directly scrapped.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of magnetic sensing switch, in particular to a dry Reed switch structure. BACKGROUND

[0002] The dry Reed switch is made of two soft magnetic material reed contacts, which are packaged in a glass tube filled with inert gas (such as nitrogen, helium, etc.) or vacuum. The parallel packaged reed ends in the glass tube overlap and have a certain gap or contact each other to form the normally open or normally closed contacts of the switch. The reed contacts are driven to open and close by an external magnet or magnetic coil to complete the required action. According to this technology, a very small size switching component can be made, and the switching speed is very fast. It has the characteristics of simple structure, small size, high speed, long service life, strong anti-load impact ability, isolation from external environment, high reliability, excellent reliability, and completely solves the problem that the production of other types of switch elements cannot meet the requirements of various industries.

[0003] The glass tube of the current dry Reed switch structure is generally provided in one piece. Therefore, it is not easy to maintain after failure, the internal parts cannot be replaced, and the dry Reed switch structure will be directly scrapped. Therefore, a dry Reed switch structure is needed to solve the above problems. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a dry Reed switch structure, which solves the problem that the glass tube of the dry Reed switch structure is generally provided in one piece, which is not easy to maintain after failure, the internal parts cannot be replaced, and the dry Reed switch structure will be directly scrapped.

[0006] (II) Technical solutions

[0007] To achieve the above purposes, the technical solution adopted by the present application is: a dry Reed switch structure, comprising a dry Reed magnetic switch component, a sealing component is arranged on the outer middle part of the dry Reed magnetic switch component for sealing, and two magnetic coil components are arranged on the outer two sides of the sealing component.

[0008] The dry reed magnetic switch component includes an upper glass tube and a lower glass tube, inert gas is filled in the upper glass tube and the lower glass tube, outer leads are fixedly arranged at opposite ends of the upper glass tube and the lower glass tube, spring sheets are fixedly arranged at opposite ends of the two outer leads, metal patches are fixedly arranged at opposite ends of the two spring sheets, an upper recess is formed in the inner wall of the bottom end of the upper glass tube, an upper sealing groove is formed in the inner wall of the upper recess, a lower recess is formed in the outer wall of the top end of the lower glass tube, a lower sealing groove is formed in the upper recess, and a sealing ring is fixedly arranged in the lower sealing groove.

[0009] Preferably, the two metal patches are staggered, and an attraction gap is arranged between the two metal patches.

[0010] Preferably, the outer walls of the two metal patches are plated with zinc.

[0011] Preferably, the outer walls of the two metal patches are plated with zinc.

[0012] Preferably, the sealing component includes a fixing sleeve, and a heat-sealing film is fixedly arranged outside the fixing sleeve.

[0013] Preferably, the two magnetic coil components each include a fixing belt, and a magnetic coil module is fixedly arranged in each fixing belt.

[0014] Preferably, the two magnetic coil modules are arranged in one-to-one correspondence with the two metal patches, and each magnetic coil module is adapted with an electric wire.

[0015] Preferably, the two outer leads are hard wires.

[0016] (Three) beneficial effects

[0017] The beneficial effects of the present application are as follows:

[0018] The dry reed switch structure is arranged on the opposite sides of the upper glass tube and the lower glass tube, the upper recess and the lower recess are arranged, the upper glass tube and the lower glass tube are butted together, the sealing ring is sealed between the upper sealing groove and the lower sealing groove at this time, the butting portion of the upper glass tube and the lower glass tube is sealed, the fixing sleeve is arranged on the butting portion of the upper glass tube and the lower glass tube, the heat-sealing film is heated, the heat-sealing film is tightly arranged on the outer wall of the butting portion of the upper glass tube and the lower glass tube, the upper glass tube and the lower glass tube are completely sealed, the inert gas in the interior is sealed, the dry reed switch structure reaches the same effect as the dry reed switch structure arranged on the integral glass tube, the dry reed switch structure can be disassembled and the parts can be replaced after failure, and the dry reed switch structure is directly scrapped. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the present application;

[0021] Figure 3 is a schematic diagram of the three-dimensional structure of the present application;

[0022] Figure 4 is a schematic diagram of the three-dimensional structure of the present application;

[0023] Figure 5 is a schematic diagram of the three-dimensional structure of the present application.

[0024] In the figure: 1 dry reed magnetic switch component, 11 upper glass tube, 12 lower glass tube, 13 outer lead, 14 spring piece, 15 metal patch, 16 upper groove, 17 upper sealing groove, 18 lower groove, 19 lower sealing groove, 110 sealing ring, 111 concave-convex pattern, 2 sealing component, 21 fixed sleeve, 22 heat-seal film, 3 magnetic coil component, 31 fixed belt, 32 magnetic coil module, 33 wire. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying 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 fall within the scope of protection of the present application.

[0026] As Figures 1-5 shown, the present application provides a technical solution: a kind of dry reed switch structure, including dry reed magnetic switch component 1, dry reed magnetic switch component 1 outer middle part is provided with sealing component 2 for sealing, sealing component 2 outer both sides are provided with two magnetic coil components 3;

[0027] The dry reed magnetic switch component 1 comprises an upper glass tube 11 and a lower glass tube 12, inert gas is filled in the upper glass tube 11 and the lower glass tube 12, outer leads 13 are fixedly arranged at opposite ends of the upper glass tube 11 and the lower glass tube 12, spring sheets 14 are fixedly arranged at opposite ends of the two outer leads 13, metal patches 15 are fixedly arranged at opposite ends of the two spring sheets 14, the outer walls of the two metal patches 15 are plated with zinc, an upper recess 16 is formed in the inner wall of the bottom end of the upper glass tube 11, an upper sealing groove 17 is formed in the inner wall of the upper recess 16, a lower recess 18 is formed in the outer wall of the top end of the lower glass tube 12, a lower sealing groove 19 is formed in the upper recess 18, a sealing ring 110 is fixedly arranged in the lower sealing groove 19, the two metal patches 15 are arranged staggeredly, and an attraction gap is arranged between the two metal patches 15, the outer walls of the bottom end of the upper glass tube 11 and the top end of the lower glass tube 12 are provided with a plurality of concave-convex patterns 111, the upper glass tube 11 and the lower glass tube 12 are butted together by the upper recess 16 and the lower recess 18, at this time, the sealing ring 110 can be sealed between the upper sealing groove 17 and the lower sealing groove 19, the butting portion of the upper glass tube 11 and the lower glass tube 12 is sealed, and the two metal patches 15 are close to each other, then the fixed sleeve 21 is sleeved on the butting portion of the upper glass tube 11 and the lower glass tube 12, the heat-sealing film 22 is heated, the heat-sealing film 22 is tightly sleeved on the outer wall of the butting portion of the upper glass tube 11 and the lower glass tube 12, the upper glass tube 11 and the lower glass tube 12 are completely sealed, the inert gas in the upper glass tube 11 and the lower glass tube 12 is sealed, and the concave-convex patterns 111 are arranged, so that the heat-sealing film 22 is firmly attached to the butting portion of the upper glass tube 11 and the lower glass tube 12, and a good sealing effect is achieved.

[0028] The sealing component 2 comprises the fixed sleeve 21, the outer wall of the fixed sleeve 21 is fixedly provided with the heat-sealing film 22, when the dry reed switch structure fails in the later period, the heat-sealing film 22 can be removed, at this time, the upper glass tube 11 and the lower glass tube 12 can be separated, the internal components can be replaced, and the two outer leads 13 are hard wires, which can support the spring sheets 14 through the outer leads 13.

[0029] The two magnetic coil components 3 each comprise a fixed band 31, the fixed band 31 is fixedly provided with a magnetic coil module 32, the two magnetic coil modules 32 are arranged one by one corresponding to the two metal patches 15, the two magnetic coil modules 32 are adapted with electric wires 33, the magnetic coil modules 32 can be controlled through the electric wires 33, and the magnetic force generated by the magnetic coil modules 32 can be used to control the two metal patches 15 to be in contact or disconnected.

[0030] The operation steps of the present application are as follows:

[0031] By using the upper groove 16 and the lower groove 18, the upper glass tube 11 and the lower glass tube 12 are butted together, at this time, the sealing ring 110 can be sealed between the upper sealing groove 17 and the lower sealing groove 19, the sealing of the butting place of the upper glass tube 11 and the lower glass tube 12 is realized, and the two metal patches 15 are close to the corresponding, then the fixed sleeve 21 is sleeved on the butting place of the upper glass tube 11 and the lower glass tube 12, the heat sealing film 22 is heated, the heat sealing film 22 can tightly sleeve the fixed sleeve 21 on the outer wall of the butting place of the upper glass tube 11 and the lower glass tube 12, the complete sealing of the upper glass tube 11 and the lower glass tube 12 is realized, the inert gas in the interior is sealed, at the same time, the concave-convex pattern 111 is arranged, the heat sealing film 22 can be firmly attached on the butting place of the upper glass tube 11 and the lower glass tube 12, a good sealing effect is realized, the magnetic coil module 32 can be controlled through the electric wire 33, then the magnetic force generated by the magnetic coil module 32 can be used to control the contact or disconnection of the two metal patches 15, when the dry reed switch structure fails in the later period, the heat sealing film 22 can be removed, at this time, the upper glass tube 11 and the lower glass tube 12 can be separated, the replacement of the internal parts is realized.

[0032] In the description of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In the present application, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or can be detachably connected, or can be integrated; it can be mechanically connected, or can be electrically connected; it can be directly connected, or can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms can be understood according to the specific meaning in the present application by the person skilled in the art according to the specific situation.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A reed switch structure comprising a reed switch magnetic switch component (1), characterized by: The dry reed magnetic switch component (1) is provided with a sealing component (2) for sealing in the middle part, and two magnetic coil components (3) are arranged on the two sides of the sealing component (2); The dry reed magnetic switch component (1) comprises an upper glass tube (11) and a lower glass tube (12), inert gas is filled in the upper glass tube (11) and the lower glass tube (12), the opposite ends of the upper glass tube (11) and the lower glass tube (12) are fixedly provided with outer leads (13), the opposite ends of the two outer leads (13) are fixedly provided with spring sheets (14), the opposite ends of the two spring sheets (14) are fixedly provided with metal patches (15), an upper recess (16) is formed in the inner wall of the bottom end of the upper glass tube (11), an upper sealing groove (17) is formed in the inner wall of the upper recess (16), a lower recess (18) is formed in the outer wall of the top end of the lower glass tube (12), a lower sealing groove (19) is formed in the upper of the lower recess (18), and a sealing ring (110) is fixedly arranged in the lower sealing groove (19); The two metal patches (15) are arranged alternately, and an attraction gap is arranged between the two metal patches (15), the outer walls of the bottom end of the upper glass tube (11) and the top end of the lower glass tube (12) are provided with a plurality of concave-convex patterns (111), and the outer walls of the two metal patches (15) are plated with zinc; The sealing component (2) comprises a fixed sleeve (21), the fixed sleeve (21) is fixedly provided with a heat-seal film (22), the two magnetic coil components (3) each comprise a fixed band (31), the two fixed bands (31) are each fixedly provided with a magnetic coil module (32), the two magnetic coil modules (32) are respectively and correspondingly arranged with the two metal patches (15), the two magnetic coil modules (32) are each adapted with an electric wire (33), and the two outer leads (13) are each a hard wire.

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