Temperature sensing connecting line

Abstract

The utility model relates to the technical field of connecting wires, in particular to a temperature sensing connecting wire which comprises a wire body, one end of the wire body is provided with an outer mold, one side surface of the outer mold is provided with an opening, an inner frame is arranged in the outer mold, a magnetic ring is sleeved on the inner frame, a protective shell is fixedly arranged on the inner frame, and the protective shell is provided with a temperature sensor. An opening is formed in the outer mold, one end of the protective shell is inserted into the opening of the outer mold, the other end of the protective shell is inserted into the inner frame, a PCB-A plate is arranged in the protective shell, and the wire body is electrically connected with the PCB-A plate. The utility model has the advantages of strong anti-interference capability and convenient assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting wires, in particular to a temperature sensing connecting wire. Background Art

[0002] A temperature sensor is a device used to measure ambient temperature. It can convert temperature into electronic or digital signals for monitoring, control or recording. Temperature sensors are widely used in various fields, including industrial production, scientific experiments, meteorological monitoring, medical equipment, etc. Temperature sensors need to be used with data acquisition equipment. The temperature sensor connection line generally includes a wire and a sensing head arranged at one end of the wire. The temperature sensor transmits the signal to the data acquisition equipment through the wire to display the temperature. However, the current temperature sensor connection line is easily interfered by external electromagnetic signals and is not easy to assemble. Utility Model Content

[0003] In order to improve the anti-interference capability and facilitate assembly, the utility model provides a temperature sensor connecting wire to solve the problems of the prior art.

[0004] The temperature sensing connecting wire provided by the utility model adopts the following technical scheme:

[0005] It includes a wire body, one end of which is provided with an outer mold, one side surface of the outer mold is provided with an opening, an inner frame is provided inside the outer mold, a magnetic ring is sleeved on the inner frame, a protective shell is fixedly provided on the inner frame, one end of the protective shell is plugged into the opening of the outer mold, the other end of the protective shell is plugged into the inner frame, a PCB-A board is provided in the protective shell, and the wire body is electrically connected to the PCB-A board.

[0006] Preferably, both ends of the outer peripheral surface of the inner frame are circumferentially provided with a plurality of protrusions, and the magnetic ring is embedded between the plurality of protrusions at both ends of the inner frame.

[0007] Preferably, the inner wall of the outer mold is provided with a convex edge, the convex edge is located at the opening of the outer mold, and the protrusion at one end of the inner frame abuts against the convex edge.

[0008] Preferably, a plurality of positioning posts are provided in the protective shell, a plurality of positioning slots are provided on the PCB-A board, and the plurality of positioning posts are plugged into the plurality of positioning slots.

[0009] Preferably, an annular groove is provided on the inner wall of the outer mold, and a positioning ring is provided on one end of the inner frame away from the opening of the outer mold, and the positioning ring is inserted into the annular groove.

[0010] Preferably, a retaining ring is circumferentially provided on one end of the inner wall of the inner frame away from the outer mold opening, and one end of the protective shell abuts against the retaining ring.

[0011] Preferably, a connecting sleeve is provided on the outer surface of the outer mold, and the connecting sleeve is sleeved on the wire body.

[0012] In summary, the present invention includes at least one of the following beneficial technical effects:

[0013] After soldering the wires on PCB-A, install it into the protective shell, then assemble the magnetic ring onto the inner frame, and then assemble the inner frame and the protective shell. Fix the protective shell and the inner frame together by hot-melt method, put them into the mold and use TPE material to form the outer mold. The assembly is completed, which is convenient and fast, with a stable structure. At the same time, the use of magnetic rings can resist external signal interference and improve anti-interference ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model.

[0016] Figure 3 It is an explosion diagram of the utility model.

[0017] Figure 4 It is a schematic diagram of the assembly relationship between the protective shell and the PCB-A board in the utility model.

[0018] Figure 5 It is a structural schematic diagram of the inner frame in the utility model.

[0019] Figure 6 It is a cross-sectional schematic diagram of the outer mold in the utility model.

[0020] In the figure: 1, wire body; 2, outer mold; 21, convex edge; 22, ring groove; 23, connecting sleeve; 3, inner frame; 31, convex block; 32, positioning ring; 33, retaining ring; 4, magnetic ring; 5, protective shell; 51, positioning column; 6, PCB-A board; 61, positioning groove; DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] The present utility model embodiment discloses a temperature sensing connecting wire, such as Figure 1-6 As shown, it includes a wire body 1, which includes an outer sheath and a conducting wire arranged in the outer sheath. One end of the wire body 1 is fixedly connected to an outer mold 2, the outer mold 2 is made of TPE material, the outer mold 2 is circular and flat, and a connecting sleeve 23 is integrally formed on the outer surface of the outer mold 2. The connecting sleeve 23 is fixedly sleeved on the wire body 1. The connecting sleeve 23 can protect the connection between the wire body 1 and the outer mold 2, so that the part of the wire body 1 connected to the outer mold 2 is not easy to break.

[0024] The outer mold 2 is hollow inside, and one side of the outer mold 2 is open. An inner frame 3 is arranged inside the outer mold 2. The inner frame 3 is circular and made of pom material. A protective shell 5 is fixed on the inner frame 3. The protective shell 5 is made of ABS material. One end of the protective shell 5 is fixedly inserted into the opening of the outer mold 2, and the other end of the protective shell 5 is fixedly inserted into the inner frame 3. The protective shell 5 and the inner frame 3 are fixed together by hot melting, and then the outer mold 2 is formed with TPE material inside the mold. At the same time, a retaining ring 33 is integrally formed circumferentially at one end of the inner wall of the inner frame 3 away from the opening of the outer mold 2, and one end of the protective shell 5 abuts against the retaining ring 33. The retaining ring 33 can prevent the protective shell 5 from being inserted too far when assembling the protective shell 5 and the inner frame 3, thereby improving the assembly accuracy.

[0025] In addition, a PCB-A board 6 is fixedly installed in the protective shell 5, and a plurality of components such as a temperature sensor head are integrated on the PCB-A board 6, which can eliminate temperature drift, improve circuit stability and anti-interference ability, and amplify and convert signals, thereby improving the accuracy and reliability of the sensor. The PCB-A board 6 is also located in the inner frame 3, and the wires in the wire body 1 pass through the outer shell and are electrically connected to the PCB-A board 6. A plurality of positioning columns 51 are integrally formed in the protective shell 5, and a plurality of positioning grooves 61 are provided on the PCB-A board 6. The plurality of positioning columns 51 are plugged into the plurality of positioning grooves 61, so that the PCB-A board 6 can be installed in the protective shell 5 more firmly and accurately, and the protective shell 5 can protect the PCB-A board 6.

[0026] In addition, a magnetic ring 4 is sleeved on the inner frame 3, and a plurality of protrusions 31 are integrally formed at circumferential intervals at both ends of the outer circumferential surface of the inner frame 3, and the magnetic ring 4 is embedded between the plurality of protrusions 31 at both ends of the inner frame 3. At the same time, a convex edge 21 is integrally formed on the inner wall of the outer mold 2 along the circumferential direction of the outer mold 2, and the protrusion 21 is located at the opening of the outer mold 2, and the protrusion 31 of the inner frame 3 close to the opening of the outer mold 2 abuts on the protrusion 21, so that the inner frame 3 is fixed in the outer mold 2. In addition, an annular groove 22 is circumferentially provided on the inner wall of the end of the outer mold 2 away from the opening, and a positioning ring 32 is integrally formed at the end of the inner frame 3 away from the opening of the outer mold 2, and the positioning ring 32 is inserted into the annular groove 22, so that the positioning between the inner frame 3 and the outer mold 2 can be more accurate.

[0027] The implementation principle of the temperature sensing connecting line of the embodiment of the utility model is as follows: after the wires are welded on PCB-A, it is installed into the protective shell 5, and then the magnetic ring 4 is assembled on the inner frame 3, and then the inner frame 3 and the protective shell 5 are assembled, and the protective shell 5 and the inner frame 3 are fixed together by hot melting, and then put into the mold to form the outer mold 2 with TPE material, so that the assembly can be completed, which is convenient and fast, and the structure is stable. At the same time, the use of the magnetic ring 4 can resist external signal interference and improve the anti-interference ability.

[0028] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. Temperature sensor connecting wire, characterized by: The invention comprises a wire body (1), wherein an outer mold (2) is arranged at one end of the wire body (1), a side surface of the outer mold (2) is arranged in an opening, an inner frame (3) is arranged inside the outer mold (2), a magnetic ring (4) is sleeved on the inner frame (3), a protective shell (5) is fixedly arranged on the inner frame (3), one end of the protective shell (5) is plugged into the opening of the outer mold (2), and the other end of the protective shell (5) is plugged into the inner frame (3), a PCB-A board (6) is arranged inside the protective shell (5), and the wire body (1) is electrically connected to the PCB-A board (6).

2. The temperature sensing connecting wire according to claim 1, characterized in that: A plurality of protrusions (31) are circumferentially arranged at both ends of the outer peripheral surface of the inner frame (3), and the magnetic ring (4) is embedded between the plurality of protrusions (31) at both ends of the inner frame (3).

3. The temperature sensing connecting wire according to claim 2, characterized in that: The inner wall of the outer mold (2) is provided with a convex edge (21), the convex edge (21) is located at the opening of the outer mold (2), and a convex block (31) at one end of the inner frame (3) abuts against the convex edge (21).

4. The temperature sensing connecting wire according to claim 1, characterized in that: A plurality of positioning posts (51) are arranged in the protective shell (5), a plurality of positioning grooves (61) are arranged on the PCB-A board (6), and the plurality of positioning posts (51) are plugged into the plurality of positioning grooves (61).

5. The temperature sensing connecting wire according to claim 1, characterized in that: The inner wall of the outer mold (2) is provided with an annular groove (22), and the end of the inner frame (3) away from the opening of the outer mold (2) is provided with a positioning ring (32), and the positioning ring (32) is inserted into the annular groove (22).

6. The temperature sensing connecting wire according to claim 5, characterized in that: A retaining ring (33) is circumferentially arranged at one end of the inner wall of the inner frame (3) away from the opening of the outer mold (2), and one end of the protective shell (5) abuts against the retaining ring (33).

7. The temperature sensing connecting wire according to claim 1, characterized in that: A connecting sleeve (23) is provided on the outer surface of the outer mold (2), and the connecting sleeve (23) is sleeved on the wire body (1).

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