Wire winding type nickel resistor temperature sensor

Abstract

The utility model relates to a wire winding type nickel resistor temperature sensor, which comprises a base, a support assembly, a framework assembly, a nickel wire, a lug plate assembly, a manganese copper wire, a lead and three binding posts, the three binding posts and the base are molded into a whole, the three binding posts are triangularly distributed on the base, the top of the base is provided with two grooves, and the two grooves are arranged in the base. The bottom of the framework assembly extends into a groove of the base to be bonded and fixed, a nickel wire is wound on the upper portion of the framework assembly, a manganese copper wire is wound on the lower portion of the framework assembly, two installation counter bores and two installation through holes are formed in the periphery of the base, and two installation holes are formed in the bottom of the support assembly. And the two mounting holes of the bracket assembly are aligned with the mounting through holes of the base. In a word, the device disclosed by the utility model has the advantages of simple structure, convenience in use and high response speed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to temperature sensor technical field, concretely relates to a wire-wound nickel resistance temperature sensor. BACKGROUND

[0002] The thermal resistance sensor has the characteristics of large temperature measurement range, high accuracy, stable performance and good repeatability, and is a kind of ideal temperature detection element, and the platinum resistance has the characteristics of high temperature measurement precision, stable and reliable chemical performance and wide temperature measurement range, and can be used as a standard resistance thermometer, but for industrial applications, especially under lower temperature conditions, nickel resistance can partially replace platinum resistance, and has wide application prospect.

[0003] At present, the most commonly used nickel resistance is thin-film nickel resistance, and the thin-film nickel resistance is a sensitive element produced by thin-film technology and microfabrication technology, so it has the advantages of small size, small heat capacity and fast dynamic response, the existing wire-wound nickel resistance sensitive element is usually packaged in a fully enclosed metal shell, which can cause the nickel resistance temperature sensor to have slow dynamic response, and the nickel wire is not convenient to fix, and there is a situation that the wire and the nickel wire affect each other, thereby affecting the application of the thin-film nickel resistance, so an urgent need exists for a wire-wound nickel resistance temperature sensor to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model provides a wire-wound nickel resistance temperature sensor applied to temperature sensor field, solves the technical problem of existing complex structure, inconvenient connection and slow dynamic response speed.

[0005] In order to achieve the above technical purpose, the specific technical scheme adopted by the utility model is:

[0006] The application discloses a wire-wound nickel resistance temperature sensor, which comprises a base, a support assembly, a framework assembly, a nickel wire, a lug assembly, a manganese copper wire, a connecting rod, a lead wire and three connecting posts, the three connecting posts are integrally molded with the base, the three connecting posts are distributed in a triangle on the base, the top of the base is provided with two grooves, the framework assembly is vertically arranged, the bottom of the framework assembly is fixedly connected into the groove of the base, the upper part of the framework assembly is wound with the nickel wire, the lower part of the framework assembly is wound with the manganese copper wire, the lug assembly comprises a first lug, a second lug and a third lug, one end of the nickel wire is welded with the first lug, the other end of the nickel wire is welded with the second lug, one end of the manganese copper wire is welded with the second lug, the other end of the manganese copper wire is welded with the third lug through a connecting through hole arranged on the framework assembly, a plurality of rivets and rivet holes for accommodating the rivets are arranged on the framework assembly, the connecting through hole and the third lug are assembled and riveted by the rivets, the connecting rod passes through the rivet holes in the bottoms of the two framework assemblies, the two ends of the connecting rod are connected with the framework assemblies through the rivets, the middle part of the connecting rod is contact-welded with the first connecting post, the lead wire comprises two lead wires, one end of each of the two lead wires is welded with a rivet through a rivet hole in the top of the framework assembly, the other end of each of the two lead wires is welded and fixed in the second connecting post and the third connecting post respectively.

[0007] Further, two mounting counterbores and two mounting through holes are arranged around the periphery of the base, two mounting holes are arranged on the bottom of the support assembly, and the two mounting holes of the support assembly are aligned with the mounting through holes of the base.

[0008] Further, two first slotted head screws, two flat washers, two spring washers and two hexagonal nuts are arranged between the base and the support assembly, the two slotted head screws, the two flat washers, the two spring washers and the two hexagonal nuts are sequentially arranged and connected with the two mounting holes of the support assembly and the two mounting counterbores of the base.

[0009] Further, three inner sawtooth locking washers and three second slotted head screws are arranged between the base and the connecting posts, a threaded hole is arranged on each of the three connecting posts, and the three inner sawtooth locking washers and the three second slotted head screws are arranged in the threaded holes, so as to be threadedly connected with the corresponding connecting posts.

[0010] Three wire outlet grooves are arranged on the bottom of the base, the lead wires are led out through the wire outlet grooves, the first connecting post forms two output paths with the second connecting post and the third connecting post respectively, and the first connecting post is a common terminal.

[0011] The support assembly is assembled by a plurality of sub-supports, the contact positions of the plurality of sub-supports are connected by welding, the support assembly comprises an outer ring support and a horizontal support, the outer ring support is distributed around the whole skeleton assembly, the horizontal support is horizontally arranged, and two ends of the horizontal support are connected with vertical parts of the outer ring support respectively, the horizontal support is two, and the two horizontal supports are arranged at upper end positions of the corresponding manganese copper wires and nickel wires respectively.

[0012] By adopting the technical scheme, the following beneficial effects can be brought about by the utility model:

[0013] The utility model discloses a winding wire type nickel resistance temperature sensor, through winding nickel wire and proper manganese copper wire on the skeleton assembly, make nickel wire in the state of not closed, response speed is fast, and through the installation counterbore and the installation through -hole connecting base and support assembly, through the thread hole connection terminal post and base, simple structure, convenient operation, and the wire also can not receive the influence, is fit for large -scale popularization. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0015] Figure 1 For the structure schematic diagram of the winding wire type nickel resistance temperature sensor of the utility model,

[0016] Figure 2 For the connection structure schematic diagram of the utility model concrete embodiment outlet slot and base,

[0017] Wherein: 1, base;2, flat washer;3, spring washer;4, hexagon nut;5, first slotted cylindrical head screw;6, horizontal support;7, skeleton assembly;8, outer ring support;9, nickel wire;10, terminal piece assembly;11, manganese copper wire;12, inner sawtooth locking washer;13, second slotted cylindrical head screw;14, terminal rod;15, rivet;16, lead wire;17, support assembly;18, terminal post;19, outlet slot. PREFERRED EMBODIMENT

[0018] The embodiments of the present application will be described in detail below with reference to the drawings.

[0019] The above objects, features and advantages of the present application will be better understood from the following detailed description taken in conjunction with the accompanying drawings, wherein:

[0020] It should be apparent that the foregoing description is that of a preferred embodiment of the application and that various changes and modifications can be made thereto without departing from the application as set forth in the appended claims.

[0021] It should be apparent that the foregoing description is that of a preferred embodiment of the application and that various changes and modifications can be made thereto without departing from the application as set forth in the appended claims.

[0022] Further, in the following description, numerous specific details are provided for a thorough understanding of the examples. One skilled in the relevant art will recognize, however, that the aspects described herein can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.

[0023] Example 1

[0024] In one embodiment of the present application, referring to Figure 1 and Figure 2The application relates to a wire-wound nickel resistance temperature sensor, which comprises a base 1, a support assembly 17, a framework assembly 7, a nickel wire 9, a lug assembly 10, a manganese copper wire 11, a connecting rod 14, lead wires 16 and three connecting posts 18, the three connecting posts 18 are integrally molded with the base 1, the three connecting posts 18 are distributed in a triangle on the base 1, the top of the base 1 is provided with two grooves, the framework assembly 7 is vertically arranged, the bottom of the framework assembly 7 is fixedly connected into the grooves of the base 1, the nickel wire 9 is wound on the upper part of the framework assembly 7, the manganese copper wire 11 is wound on the lower part of the framework assembly 7, the lug assembly 10 comprises a first lug, a second lug and a third lug, one end of the nickel wire 9 is welded with the first lug, the other end of the nickel wire 9 is welded with the second lug, one end of the manganese copper wire 11 is welded with the second lug, the other end of the manganese copper wire 11 is welded with the third lug through a connecting through hole arranged on the framework assembly 7, a plurality of rivets 15 and rivet holes for accommodating the rivets 15 are arranged on the framework assembly 7, the connecting through hole and the third lug are expanded and riveted after assembly, the connecting rod 14 passes through the rivet holes at the bottom of the two framework assemblies 7, the two ends of the connecting rod 14 are connected with the framework assemblies 7 through the rivets 15, the middle part of the connecting rod 14 is in contact with and welded with the first connecting post 18, the lead wires 16 are two, one end of each of the two lead wires 16 passes through the rivet holes at the top of the framework assemblies 7 and is welded with the rivets 15, the other end of each of the two lead wires 16 is welded and fixedly connected into the second connecting post 18 and the third connecting post 18.

[0025] Two mounting through holes and two mounting recesses are arranged around the base 1, the bottom of the support assembly 17 is provided with two mounting holes, and the two mounting holes of the support assembly 17 are aligned with the mounting through holes of the base 1. Two first slotted cylindrical head screws 5, two flat washers 2, two spring washers 3 and two hexagonal nuts 4 are arranged between the base 1 and the support assembly 17, and the two slotted cylindrical head screws, the two flat washers 2, the two spring washers 3 and the two hexagonal nuts 4 are sequentially arranged and connected with the two mounting holes of the support assembly 17 and the two mounting recesses of the base 1.

[0026] Three inner sawtooth locking washers 12 and three second slotted cylindrical head screws 13 are arranged between the base 1 and the connecting posts 18, threaded holes are arranged on the three connecting posts 18, the three inner sawtooth locking washers 12 and the three second slotted cylindrical head screws 13 are arranged into the threaded holes and are in threaded connection with the corresponding connecting posts 18. Three wire outlet grooves 19 are arranged at the bottom of the base 1, the wires are led out through the wire outlet grooves 19, the first connecting post 18 forms two output paths with the second connecting post 18 and the third connecting post 18, and the first connecting post 18 is a common terminal.

[0027] The support assembly 17 is assembled by a plurality of sub-supports, and the contact positions of the plurality of sub-supports are connected by welding. The support assembly 17 comprises an outer ring support 8 and a horizontal support 6. The outer ring support 8 is distributed around the entire framework assembly 7. The horizontal support 6 is horizontally arranged, and the two ends of the horizontal support 6 are respectively connected with the vertical parts of the outer ring support 8. There are two horizontal supports 6, and the two horizontal supports 6 are respectively arranged at the upper end positions of the manganese copper wires 11 and the nickel wires 9. The materials of the outer ring support 8 and the horizontal support 6 are stainless steel wires. There is one outer ring support 8, and there are two horizontal supports 6. The outer ring support 8 is rectangular and is welded at the head and tail. The horizontal support 6 is arched and is respectively provided with two support mounting holes. The two horizontal supports 6 are respectively connected with the outer ring support 8 through the support mounting holes.

[0028] In the use process, the mounting holes of the support assembly 17 are aligned with the mounting through holes of the base 1, two slotted cylindrical head screws, two flat washers 2, two spring washers 3 and two hexagonal nuts 4 are sequentially installed, the two mounting holes of the support assembly 17 are connected with the two mounting counterbores of the base 1, three inner sawtooth locking washers 12 and three slotted cylindrical head screws are respectively installed in the threaded holes of the three terminal posts 18, the connecting wires are led out through the wire outlet groove 19, the first terminal post 18 forms two output paths with the second terminal post 18 and the third terminal post 18, the first terminal post 18 is a common terminal, and the other two mounting holes of the support assembly 17 and the two mounting through holes of the base 1 are fixed when being installed, so that a dual-redundancy cabin temperature sensor is obtained. In summary, the utility model has the advantages of simple structure, convenient use and fast response speed.

[0029] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A wire-wound nickel resistance temperature sensor, characterized in that: The assembly includes a base (1), a bracket assembly (17), a skeleton assembly (7), a nickel wire (9), a connector assembly (10), a manganese copper wire (11), a lead wire (16), and three terminals (18). The three terminals (18) are molded integrally with the base (1) and are arranged in a triangular pattern on the base (1). The top of the base (1) has two grooves. The bottom of the skeleton assembly (7) is inserted into the grooves of the base (1) for bonding and fixing. The upper part of the skeleton assembly (7) is wound with nickel wire (9), and the lower part of the skeleton assembly (7) is wound with manganese copper wire (11). The base (1) has two mounting countersunk holes and two mounting through holes around its perimeter. The bottom of the bracket assembly (17) has two mounting holes, and the two mounting holes of the bracket assembly (17) are aligned with the mounting through holes of the base (1).

2. The wire-wound nickel resistance temperature sensor according to claim 1, characterized in that: Two slotted cylindrical head screws (5), two flat washers (2), two spring washers (3) and two hexagonal nuts (4) are provided between the base (1) and the bracket assembly (17). The two slotted cylindrical head screws, two flat washers (2), two spring washers (3) and two hexagonal nuts (4) are installed in sequence to connect the two mounting holes of the bracket assembly (17) with the two mounting countersunk holes of the base (1).

3. The wire-wound nickel resistance temperature sensor according to claim 2, characterized in that: Three serrated locking washers (12) and three second slotted cylindrical head screws (13) are provided between the base (1) and the terminal (18). Each of the three terminal (18) is provided with a threaded hole. The three serrated locking washers (12) and the three second slotted cylindrical head screws (13) extend into the three threaded holes, thereby connecting with the corresponding terminal (18) by threads.

4. The wire-wound nickel resistance temperature sensor according to claim 3, characterized in that: The base (1) has three cable outlet slots (19) at its bottom. The wires are led out through the cable outlet slots (19). One of the terminals (18) forms two outputs with the other two terminals (18). One of the terminals (18) is a common terminal.

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