阅读说明：本技术 一种用于微细镍钛相变温度测试的环境温度调整组件 (Ambient temperature adjusting assembly for testing phase transition temperature of fine nickel titanium ) 是由 张文雄 陈军 于 2020-04-29 设计创作，主要内容包括：本发明涉及一种用于微细镍钛相变温度测试的环境温度调整组件,包括容器和放置在容器内的搅拌转子,所述容器下部设置有驱动搅拌转子转动的驱动机构；所述容器内或者容器外设置有温度调整部件,所述温度调整部件与容器内的环境介质接触或者与容器的外表面接触；所述容器内还设置有载物阻流平台。这样的设计,通过在容器内放置环境介质,可以提高温度的变化范围,扩大检测的温度变化跨度,通过搅拌转子实现环境介质的流动,提高热换效率,温度在环境介质内稳定,统一,提高检测的精度；载物阻流平台可以方便放置被检测物体,同时,对流动的环境介质起到一定的平波作用,避免环境介质波动对检测造成影响。(The invention relates to an environment temperature adjusting assembly for testing the phase transition temperature of superfine nickel titanium, which comprises a container and a stirring rotor arranged in the container, wherein the lower part of the container is provided with a driving mechanism for driving the stirring rotor to rotate; a temperature adjusting component is arranged in or outside the container and is in contact with an environmental medium in the container or the outer surface of the container; and a loading and flow-resisting platform is also arranged in the container. By the design, the environment medium is placed in the container, the temperature change range can be enlarged, the detected temperature change span is enlarged, the flow of the environment medium is realized by the stirring rotor, the heat exchange efficiency is improved, the temperature is stable and uniform in the environment medium, and the detection precision is improved; the object to be detected can conveniently be placed to the year choked flow platform, simultaneously, plays certain flat wave effect to the environment medium that flows, avoids environment medium fluctuation to cause the influence to detecting.)

1. The utility model provides an environmental temperature adjusts subassembly for fine nickel titanium phase transition temperature test which characterized in that: the stirring device comprises a container and a stirring rotor arranged in the container, wherein a driving mechanism for driving the stirring rotor to rotate is arranged at the lower part of the container;

a temperature adjusting component is arranged in or outside the container and is in contact with an environmental medium in the container or the outer surface of the container;

and a loading and flow-resisting platform is also arranged in the container.

2. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 1, wherein: the stirring rotor is a magnetic stirring rotor, and the driving mechanism is a magnetic stirrer.

3. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 1, wherein: the temperature adjusting component is an electric heating pad which is arranged at the bottom of the container.

4. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 1, wherein: the carrying and flow blocking platform is of a composite structure and comprises a metal layer at the bottom and a carrying layer at the upper part, and the metal layer and the carrying layer are compounded together.

5. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 1, wherein: the loading and flow-resisting platform comprises a central bearing area and overflow depressions distributed around the central bearing area, the overflow depressions are formed in the outer edge of the loading and flow-resisting platform, and the overflow depressions are notches formed by the fact that the outer edge of the loading and flow-resisting platform is depressed towards the center.

6. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 5, wherein: and a raised edge is formed between the adjacent overflow depressions, and one, two or more raised edges are arranged.

7. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 6, wherein: the loading and flow-resisting platform is provided with a flow-resisting hole or an overflow convex rib, and the flow-resisting hole or the overflow convex rib is arranged at the edge position of the central bearing area or on the raised edge.

8. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 7, wherein: the flow restraining holes are long strips and are arranged on the edges of the protrusions in pairs.

9. The ambient temperature adjustment assembly for fine nitinol transformation temperature testing of claim 6, wherein: the supporting column is arranged in the connecting hole in a penetrating mode, and fixing nuts are connected to the supporting column in a threaded mode and arranged in pairs.

Technical Field

The invention relates to an environment temperature adjusting component for testing the phase transition temperature of fine nickel titanium.

Background

Nickel titanium alloy has shape memory property and superelasticity property, and is widely used in various fields such as medical treatment, building, aerospace, military and the like. The shape memory property and the superelasticity of the nickel-titanium alloy are both caused by internal phase change, so that the phase change temperature becomes an important parameter for considering the functional performance of the shape memory alloy.

In recent years, in the medical industry, small nickel titanium products such as artificial muscles and the like are continuously developed to be thinner and smaller, the measurement precision requirement is gradually improved, particularly, higher requirements are provided for stable environment temperature change, the existing detection environment temperature change range is smaller, the temperature is not easy to control, and an environment temperature adjusting assembly for testing the phase change temperature of the small nickel titanium is urgently needed in the prior art, wherein the environment temperature adjusting assembly is large in environment temperature span and stable in control.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the environment temperature adjusting component which has large environment temperature span and is stably controlled and used for the micro nickel-titanium phase transition temperature test.

The invention provides an environment temperature adjusting assembly for testing the phase transition temperature of fine nickel titanium, which comprises a container and a stirring rotor arranged in the container, wherein the lower part of the container is provided with a driving mechanism for driving the stirring rotor to rotate;

a temperature adjusting component is arranged in or outside the container and is in contact with an environmental medium in the container or the outer surface of the container;

and a loading and flow-resisting platform is also arranged in the container.

By the design, the environment medium is placed in the container, the temperature change range can be enlarged, the detected temperature change span is enlarged, the flow of the environment medium is realized by the stirring rotor, the heat exchange efficiency is improved, the temperature is stable and uniform in the environment medium, and the detection precision is improved; the object to be detected can conveniently be placed to the year choked flow platform, simultaneously, plays certain flat wave effect to the environment medium that flows, avoids environment medium fluctuation to cause the influence to detecting.

Preferably, the stirring rotor is a magnetic stirring rotor, and the driving mechanism is a magnetic stirrer. The design is convenient to drive.

Preferably, the temperature adjusting component is an electric heating pad, and the electric heating pad is arranged at the bottom of the container. Such a design facilitates heating.

Preferably, the objective flow resisting platform is a composite structure and comprises a metal layer at the bottom and an objective layer at the upper part, and the metal layer and the objective layer are compounded together. Such design, conveniently increase year thing choked flow platform weight through the metal level of lower part, improve the resistance to deformation ability of year thing choked flow platform under cold and hot temperature variation simultaneously, and the material and the colour that do benefit to the detection are selected to the year thing layer, as the background board.

Preferably, the objective flow-resisting platform comprises a central bearing area and overflow recesses distributed around the central bearing area, the overflow recesses are arranged at the outer edge of the objective flow-resisting platform, and the overflow recesses are notches formed by the outer edge of the objective flow-resisting platform sinking towards the central bearing area. The design is favorable for heat exchange between the environment medium at the bottom of the loading and flow resisting platform and the environment medium at the upper part of the loading and flow resisting platform; the temperature consistency of the whole test environment is ensured; meanwhile, the central bearing area does not generate fluctuation of environmental media, and shooting by a camera is facilitated.

Preferably, a raised edge is formed between the adjacent overflow recesses, and one, two or more raised edges are arranged. By the design, the heat exchange between the environment medium at the bottom of the loading and flow-resisting platform and the environment medium at the upper part of the loading and flow-resisting platform is stable and uniform.

Preferably, the objective flow-resisting platform is provided with a flow-resisting hole or an overflow rib, and the flow-resisting hole or the overflow rib is arranged at the edge of the central bearing area or on the raised edge. The design further limits the fluctuation of the environment medium on the upper surface of the objective flow-resisting platform, and improves the stability of the environment medium surface.

Preferably, the flow-inhibiting holes are elongated and are arranged in pairs on the raised edge. Such a design is an optimization of the solution.

Preferably, the edge of the bulge is provided with a connecting hole, a supporting column penetrates through the connecting hole, the supporting column is connected with fixing nuts in a threaded manner, and the fixing nuts are arranged in pairs. Such design, through the support column with carry thing choked flow platform set up in the container, stirring rotor sets up in carrying thing choked flow platform below.

The invention has the advantages and beneficial effects that: by the design, the environment medium is placed in the container, the temperature change range can be enlarged, the detected temperature change span is enlarged, the flow of the environment medium is realized by the stirring rotor, the heat exchange efficiency is improved, the temperature is stable and uniform in the environment medium, and the detection precision is improved; the object to be detected can conveniently be placed to the year choked flow platform, simultaneously, plays certain flat wave effect to the environment medium that flows, avoids environment medium fluctuation to cause the influence to detecting.

Drawings

FIG. 1 is an exploded view of the assembly of the present invention;

FIG. 2 is a schematic view of a stage of the present invention;

FIG. 3 is a schematic view of the matching and connecting structure of the objective flow-resisting platform and the supporting column of the present invention;

FIG. 4 is a schematic diagram of the operation of the components of the present invention.

In the figure: 1. a container; 2. a stage for carrying and blocking flow; 3. a magnetic stirring rotor; 4. a magnetic stirrer; 5. an electrical heating pad; 6. a metal layer; 7. a carrier layer; 8. a central load bearing region; 9. an overflow recess; 10. a raised edge; 11. flow restraining holes; 12. connecting holes; 13. a support pillar; 14. fixing a nut; 15. an ambient medium.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4, an environment temperature adjusting assembly for a fine nickel titanium phase transition temperature test comprises a container 1 and a stirring rotor arranged in the container 1, wherein a driving mechanism for driving the stirring rotor to rotate is arranged at the lower part of the container 1;

a temperature adjusting component is arranged in the container 1 or outside the container 1, and the temperature adjusting component is contacted with the environment medium 15 in the container 1 or the outer surface of the container 1; the temperature adjusting component can be a heating component or a refrigerating component. The refrigeration part can be a refrigeration pipe, a refrigeration medium flows in the refrigeration pipe, and the refrigeration pipe is arranged in the container 1 or outside the container 1.

A loading and flow blocking platform 2 is also arranged in the container 1.

The environmental medium 15 can be a safe, environment-friendly, nontoxic and clear liquid medium such as water, alcohol, edible oil and the like.

The stirring rotor is a magnetic stirring rotor 3, and the driving mechanism is a magnetic stirrer 4.

The temperature adjusting component is an electric heating pad 5, and the electric heating pad 5 is arranged at the bottom of the container 1.

The carrying and flow-resisting platform 2 is of a composite structure and comprises a metal layer 6 at the bottom and a carrying layer 7 at the upper part, and the metal layer 6 and the carrying layer 7 are compounded together. The carrier layer 7 is preferably a white or black plastic plate to facilitate imaging.

The loading and flow-resisting platform 2 comprises a central bearing area 8 and overflow recesses 9 distributed around the central bearing area 8, the overflow recesses 9 are arranged at the outer edge of the loading and flow-resisting platform 2, and the overflow recesses 9 are gaps formed by the outer edge of the loading and flow-resisting platform 2 sinking towards the center.

A raised edge 10 is formed between the adjacent overflow recesses 9, and one, two or more raised edges 10 are arranged on the raised edge 10.

The object carrying and flow blocking platform 2 is provided with a flow restraining hole 11 or an overflow rib, and the flow restraining hole 11 or the overflow rib is arranged at the edge of the central bearing area 8 or on the raised edge 10.

The flow restraining holes 11 are long strips, are arranged on the raised edge 10 and are arranged in pairs.

The edge of the bulge 10 is provided with a connecting hole 12, a supporting column 13 penetrates through the connecting hole 12, the supporting column 13 is connected with a fixing nut 14 in a threaded mode, and the fixing nuts 14 are arranged in pairs.

When the nickel-titanium product bearing device is used, the supporting columns 13 and the connecting holes 12 are fixed through the fixing nuts 14, the heights of the bottoms of the supporting columns 13 are adjusted, the carrying and flow blocking platform 2 is placed in the container 1, and a nickel-titanium product is fixed in the central bearing area 8; the supporting columns 13 are arranged at the raised edges 10, so that the influence of the supporting columns 13 on the flow of the environmental medium 15 can be reduced to the maximum extent.

An environment medium 15 is poured into the container 1, the environment medium 15 is required to submerge the nickel-titanium product, the environment medium 15 is heated through the electric heating pad 5, and the magnetic stirring rotor 3 is driven by the magnetic stirrer 4 to rotate, so that the temperature of the environment medium 15 in the container 1 is stably raised; the magnetic stirring rotor 3 is arranged at the center of the lower part of the loading and flow resisting platform 2.

The shape of the nickel-titanium product changes correspondingly in the temperature change, and the shape change of the nickel-titanium product is captured and recorded by the camera, so that detection and analysis are performed.

Because the magnetic stirring rotor 3 rotates, the environment medium 15 at the bottom of the objective flow resisting platform 2 rotates along with the rotation to form a vortex, and because the picture captured by the camera is the image of the nickel-titanium product in the environment medium 15, the requirement on the upper surface of the environment medium 15 is better as the image is calmer, and the influence of the fluctuation of the environment medium 15 on shooting is avoided; the loading and flow-resisting platform 2 is arranged to isolate medium vortexes at the bottom of the loading and flow-resisting platform 2, and the upper surface of the loading and flow-resisting platform 2 is kept as calm as possible;

meanwhile, in order to ensure that the environmental media 15 on the upper surface and the lower surface of the loading and flow-resisting platform 2 can exchange heat, the notch formed by the outward edge of the loading and flow-resisting platform 2 sinking towards the center is also called the overflow notch 9, the environmental media 15 on the loading and flow-resisting platform 2 realize heat exchange at the position of the overflow notch 9, and the stability and the consistency of the temperature change of the environmental media 15 in the container 1 are ensured;

heat conduction mainly includes the following forms: firstly, heat is rapidly transferred to an environmental medium 15 at the bottom of the objective flow resisting platform 2 through the magnetic stirring rotor 3, and the heat exchange is accompanied with medium flow with larger amplitude; secondly, the environmental medium 15 at the bottom of the objective flow resisting platform 2 exchanges heat with the environmental medium 15 at the outer edge of the central bearing area 8 through the overflow depression 9, and the heat exchange is accompanied by medium flow with smaller amplitude; thirdly, the environment medium 15 at the outer edge of the central bearing area 8 exchanges heat with the environment medium 15 of the central bearing area 8 mainly through molecular thermal motion, and in the process, the fluctuation of the environment medium 15 at the position of the overflow depression 9 is further inhibited through the flow inhibiting hole 11 or the overflow convex rib, so that the environment medium 15 basically keeps no fluctuation at the position above the central bearing area 8, namely the position where the nickel-titanium product is placed, and the imaging of the camera is ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the technical principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the invention.