CN107014517B - Thermochromic device capable of being used for multiple heating sources - Google Patents
Thermochromic device capable of being used for multiple heating sources Download PDFInfo
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- CN107014517B CN107014517B CN201710357308.5A CN201710357308A CN107014517B CN 107014517 B CN107014517 B CN 107014517B CN 201710357308 A CN201710357308 A CN 201710357308A CN 107014517 B CN107014517 B CN 107014517B
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- thermochromic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 claims description 34
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- 239000002985 plastic film Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 24
- 239000000306 component Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000003086 colorant Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
- G01K11/18—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of materials which change translucency
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a thermochromic device capable of being used for multiple heating sources, which comprises a plurality of thermochromic parts with non-overlapping thermochromic temperature ranges and a heat conducting part which is used for being contacted with a detected part and carrying the thermochromic parts. When the temperature sensor is used, the selected heating source is utilized to heat the detected part, heat received by the detected part is conducted to the temperature sensing color changing part through the heat conducting part, when the heated part of the detected part reaches the target temperature, the temperature of the detected part reaches the color changing temperature range of a certain temperature sensing color changing part, and the corresponding temperature sensing color changing part changes color correspondingly, so that the indication function is realized. When the heating source is replaced, the temperature reached by the detection part is correspondingly changed, and the corresponding other thermochromic part is changed in color to prompt. Therefore, the scheme can correctly indicate whether the heated part of the detected part reaches the target temperature in the heating process of various heating sources, and improves the applicability.
Description
Technical Field
The invention relates to the technical field of temperature detection devices, in particular to a thermochromic device capable of being used for multiple heating sources.
Background
In many fields of industrial production, education and scientific research, household days, medical care and the like, temperature detection of a heating source or a heated component is often involved, for example, when cooking, the temperature of a pan bottom needs to be detected to prompt a user to grasp cooking heat, or the temperature of a heating plate is detected in a scientific experiment to prompt chemical reaction conditions, or the temperature of a solar module is detected in photovoltaic power generation to judge hot spot distribution and the like. In the prior art, the temperature of the detection part is generally reflected by adopting a thermochromic coating or a thermochromic element, and when the temperature of the heated part of the detected part reaches the target temperature, the color of the thermochromic coating or the thermochromic element of the detection part can be changed, so that a prompt function is realized. However, the existing detection method can only detect in the heating process of one heating source, if other heating sources are replaced, the heating curves of the detected parts will be different due to different heating efficiencies of different heating sources, and the color-changing temperature range of the thermochromic element is fixed, so that the existing temperature detection device cannot accurately indicate whether the heated part has reached the target temperature in the heating process of multiple heating sources.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a thermochromic device that can be used for multiple heating sources, and that can timely and accurately perform a color change instruction when a heated portion of a member to be detected reaches a target temperature during heating of the multiple heating sources.
In order to achieve the above object, the present invention provides the following technical solutions:
a thermochromic device for multiple heating sources comprises a plurality of thermochromic parts with non-overlapping thermochromic temperature ranges and a heat conducting part for contacting with a detected part and carrying the thermochromic parts.
Preferably, in the thermochromic device, the thermochromic device further includes a connecting member for detachably connecting the heat conducting portion to the member to be detected.
Preferably, in the thermochromic device, the plurality of thermochromic portions each have a different color when reaching the respective color change temperature range.
Preferably, in the thermochromic device, the thermochromic portion is a thermochromic material layer coated on a surface of the heat conducting portion.
Preferably, in the thermochromic device, the thermochromic material layer includes a color developing layer coated on the surface of the heat conducting portion and a color changing layer coated on the surface of the color developing layer.
Preferably, in the above thermochromic device, the thermochromic portion includes a transparent plastic sheet and a thermochromic material mixed inside the transparent plastic sheet.
Preferably, in the thermochromic device, a plurality of the thermochromic portions are arranged on the heat conductive portion in a nested manner one by one.
Preferably, in the thermochromic device, a plurality of the thermochromic portions are arranged side by side in order on the heat conductive portion.
Preferably, in the thermochromic device, the heat conducting part includes a plurality of heat conducting sheets corresponding to the thermochromic parts one by one, and the thermochromic device further includes a supporting part for fixing the plurality of heat conducting sheets.
Preferably, in the thermochromic device, each thermochromic portion is provided with a label for identifying the heating source.
The invention provides a thermochromic device capable of being used for multiple heating sources, which comprises a plurality of thermochromic parts with non-overlapping thermochromic temperature ranges and a heat conduction part which is used for being contacted with a detected part and carrying the thermochromic parts. When the temperature-sensing color-changing device is used, the temperature-sensing color-changing device is firstly arranged on a detected part, the detecting part of the temperature-sensing color-changing device is kept at a certain distance from the heated part of the detected part, the detected part is heated by the selected heating source, the heat received by the detected part is conducted to the temperature-sensing color-changing part through the heat conducting part, when the heated part of the detected part reaches the target temperature, the temperature of the detecting part reaches the color-changing temperature range of a certain temperature-sensing color-changing part, and the corresponding temperature-sensing color-changing part changes color correspondingly, so that the indication function is realized. When the heating source is replaced and the heated part of the detected part reaches the target temperature, the temperature reached by the detected part is correspondingly changed, and at the moment, the corresponding other thermochromic part is changed in color to give a prompt. Therefore, the scheme can correctly indicate whether the heated part of the detected part reaches the target temperature in the heating process of various heating sources, and improves the applicability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing an exploded structure of a thermochromic device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a thermochromic portion according to an embodiment of the present invention.
The reference numerals are as follows:
1-screw, 2-outer color-changing sheet, 3-inner color-changing sheet, 4-supporting block, 5-supporting sheet, 6-heat conducting part, 7-color-developing layer and 8-color-changing layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram illustrating an exploded structure of a thermochromic device according to an embodiment of the present invention; fig. 2 is a schematic structural view of a thermochromic portion according to an embodiment of the present invention.
In a specific embodiment scheme, the invention provides a thermochromic device for multiple heating sources, which comprises a plurality of thermochromic parts with non-overlapping thermochromic temperature ranges and a heat conduction part 6 for contacting with a detected part and carrying the thermochromic parts.
When the temperature-sensing color-changing device is used, the temperature-sensing color-changing device is firstly arranged on a detected part, the detecting part of the temperature-sensing color-changing device is kept at a certain distance from the heated part of the detected part, the detected part is heated by the selected heating source, the heat received by the detected part is conducted to the temperature-sensing color-changing part through the heat conducting part, when the heated part of the detected part reaches the target temperature, the temperature of the detecting part reaches the color-changing temperature range of a certain temperature-sensing color-changing part, and the corresponding temperature-sensing color-changing part changes color correspondingly, so that the indication function is realized. When the heating source is replaced and the heated part of the detected part reaches the target temperature, the temperature reached by the detected part is correspondingly changed, and at the moment, the corresponding other thermochromic part is changed in color to give a prompt. Therefore, the scheme can correctly indicate whether the heated part of the detected part reaches the target temperature in the heating process of various heating sources, and improves the applicability.
In the above thermochromic device, the core component of the thermochromic part is a thermochromic material, and the principle of color change is as follows: when the temperature of the thermochromic material is outside the range of the thermochromic temperature, the thermochromic material takes on a color; when the temperature of the thermochromic material is within the range of the color-changing temperature, the thermochromic material presents another color or becomes colorless and transparent. Since the detection portion of the thermochromic portion is generally located at a certain distance from the heated portion of the detected member (i.e., the portion where the detected member is in direct contact with the heating source), and the heating efficiencies of the different heating sources are different, the heating curves of the detected member in the heating process of the different heating sources are different, and therefore, when the heated portion reaches the target temperature, the temperatures of the detection portions corresponding to the different heating sources are different. Therefore, the temperature sensing and color changing device capable of changing color at different temperatures is arranged at the detection part. The thermochromic material is an existing material, the color of the thermochromic material can be repeatedly changed along with the temperature change, and particularly, a person skilled in the art can change the specific color-changing temperature range of the thermochromic material by adjusting the content of each component of the thermochromic material, so that a plurality of thermochromic parts with non-overlapping color-changing temperature ranges are obtained, namely, the reaction temperatures of different thermochromic parts for generating the color change are different, and different thermochromic parts can also display different colors according to different temperatures.
The heat conduction part 6 not only serves as a part for bearing the temperature sensing and color changing part, but also plays a role in conducting heat of the detected part to the temperature sensing and color changing part, and the heat conduction part 6 is in direct contact with the detected part, so that heat can be timely and efficiently conducted to the temperature sensing and color changing part, and the temperature of the detected part is accurately detected and color changing reaction occurs.
The heat conducting portion 6 may be made of a metal material such as steel, aluminum alloy, or copper, or may be made of a plastic material having relatively high heat conducting efficiency.
The heat conducting portion 6 in this embodiment may be configured as a single block or sheet structure, or may be configured as a plurality of separate block or sheet structures. In a preferred embodiment scheme, the heat conducting part 6 includes a plurality of heat conducting fin structures corresponding to the thermochromic parts one by one, and the thermochromic device further includes a supporting part for fixing a plurality of heat conducting fins, specifically, the plurality of heat conducting fins can be connected together or can be respectively connected with the detected part in a contact manner so as to ensure smooth heat conduction, and the supporting part is used for ensuring the position fixing of each heat conducting fin and ensuring the structural integrity of the thermochromic device. By means of the arrangement, the heat conducting fin and the thermochromic part can be detached and replaced, so that a user can freely combine the heat conducting fin and the thermochromic part according to specific types of heating sources to be applied, and the application range of the thermochromic device is enlarged.
Preferably, the thermochromic device provided by the scheme further comprises a connecting component for detachably connecting the heat conducting part 6 with the detected component in a contact mode. The temperature sensing discolouring device is arranged in such a way that the whole temperature sensing discolouring device can be detachably connected with a detected part, and when the temperature sensing discolouring part is invalid or the temperature sensing discolouring device is damaged, the temperature sensing discolouring device can be conveniently detached and replaced. Specifically, the above-mentioned connecting component can be implemented by adopting structural forms such as screws, buckles, adhesion, magnets, nesting and the like, and will not be described herein again.
It should be noted that, in order to more clearly and conveniently indicate whether the heated part reaches the target temperature in the heating process of different heating sources, preferably, the color that a plurality of thermochromic parts present when reaching respective temperature range that discolours in this scheme is different, so set up, can be more convenient for the user know intuitively. Of course, the color of each thermochromic part when reaching the respective color-changing temperature range can be designed to be the same, and the arrangement positions of each thermochromic part are distinguished, so that the corresponding heating source is indicated by the thermochromic parts at different positions, and the purpose of convenient observation can be achieved.
In order to further facilitate indication and observation by a user, preferably, each thermochromic part in the scheme is correspondingly provided with a label for identifying a heating source, namely, when designing the thermochromic device, a person skilled in the art designs the labels according to several heating sources possibly applied by a detected part, and arranges each label in one-to-one correspondence with each thermochromic part.
It should be noted that the thermochromic portion in this scheme can be designed into various structural forms. In a preferred embodiment, the thermochromic portion is a thermochromic material layer coated on the surface of the heat conducting portion 6. Specifically, as shown in fig. 2, the thermochromic material layer includes a color developing layer 7 coated on the surface of the heat conducting part 6 and a color changing layer 8 coated on the surface of the color developing layer 7, wherein the color changing layer 8 is formed by spraying the thermochromic material, and the thermochromic material layer becomes transparent from black when reaching the color changing temperature. The color-developing layer 7 is a preset coating layer with colors, the existing pigment can be selected to be sprayed on the surface of the heat-conducting part 6, and after the color-changing layer 8 is heated and becomes transparent, the colors of the color-developing layer 7 can be developed, so that the observation of users is facilitated. Of course, the thermochromic portion may also use only one color-changing layer 8 coated on the surface of the heat-conducting portion 6, and at this time, the color-changing layer 8 may be made of a color-changing non-transparent thermochromic material, and the thermochromic material may achieve the purpose of being capable of displaying a certain color when undergoing a color-changing reaction, for example, changing from black to red, or from black to green, etc. when undergoing a color-changing reaction by blending component proportions and adding pigments.
In another preferred embodiment scheme, the thermochromic part comprises a transparent plastic sheet and thermochromic materials mixed in the transparent plastic sheet, specifically, thermochromic material particles or powder can be mixed and added into the plastic base material in the forming process of the plastic sheet, so that the thermochromic materials and the plastic base material are fused into a whole, and in addition, the thermochromic materials can be inserted into or filled into the transparent plastic sheet. In this kind of scheme, transparent plastic sheet can be directly as heat conduction portion 6, when the heat conduction of detected part to transparent plastic sheet, the thermochromic material in the transparent plastic sheet can take place the color change according to temperature variation, so set up, can make thermochromic portion and heat conduction portion 6 fuse as an organic wholely, avoid thermochromic portion to drop from heat conduction portion 6 accident, can also increase of service life.
Of course, the thermochromic portion in the present invention is not limited to the structural forms described in the above two preferred embodiments, and may be designed into a thermochromic film or a thermochromic tape attached to the heat conducting portion 6, and the structural form of the thermochromic portion may be determined by a person skilled in the art according to the characteristics of the selected thermochromic material and the specific structural characteristics of the detected component, which will not be described herein.
It should be noted that the plurality of thermochromic portions in the present solution may have a plurality of arrangements. In a preferred embodiment, the plurality of thermochromic parts are arranged on the heat conducting part 6 in a nested manner one by one, specifically, the plurality of thermochromic parts can be designed into a ring-shaped structure or a semi-ring-shaped structure, the thermochromic part at the central part is designed into a sheet-shaped structure, and the thermochromic parts of other ring-shaped or semi-ring-shaped structures are nested one by one at the periphery, so that the arrangement is that a user can know whether the heated part of the detected part reaches the target temperature or not by observing the color change reaction of the thermochromic part of a certain ring.
In another preferred embodiment, the plurality of thermochromic parts are sequentially arranged side by side on the heat conducting part 6, so that the structural design of the thermochromic part can be simplified, and the thermochromic part is convenient to process and manufacture. Wherein, the shape of each thermochromic part can be designed as square, round or other shapes. Of course, the thermochromic portion in the present invention is not limited to the arrangement form described in the above two preferred embodiments, and those skilled in the art may arrange the thermochromic portion according to the specific structure of the detected component, and will not be described herein.
Referring to fig. 1, a specific exploded structure of the thermochromic device is described below. The temperature sensing and color changing device comprises two temperature sensing and color changing parts, wherein the heat conducting part 6 is designed into two heat conducting sheets made of stainless steel, the temperature sensing and color changing parts are designed into temperature sensing and color changing material layers coated on the heat conducting sheets, the structures of the temperature sensing and color changing material layers are shown in fig. 2 and respectively comprise a color developing layer 7 and a color changing layer 8, the temperature sensing and color changing parts and the heat conducting part 6 form a color changing sheet structure together, the two color changing sheets are respectively an outer color changing sheet 2 and an inner color changing sheet 3, the inner color changing sheet 3 is nested in a through hole of the outer color changing sheet 2, and the upper end face of the inner color changing sheet 3 is exposed out of a through hole orifice of the outer color changing sheet 2 or keeps flush with the edge of the through hole orifice. The thermochromic material layer is coated on the upper end surface of each color-changing sheet so as to facilitate the observation of color-changing reaction by a user. The heat conducting sheets of the inner color-changing sheet 3 are in contact connection with the heat conducting sheets of the outer color-changing sheet 2, so that heat can be smoothly conducted to the inner color-changing sheet 3. The lower part of the outer color-changing sheet 2 forms a cavity for accommodating the inner color-changing sheet 3, and in order to facilitate the contact fixation of the inner color-changing sheet 3 and the outer color-changing sheet 2, a supporting part structure is adopted, and as shown in fig. 1, the supporting part specifically comprises a supporting block 4 and a supporting sheet 5, the supporting block 4 can be made of silica gel, and the supporting block 4 is embedded into the cavity, so that the inner color-changing sheet 3 is firmly abutted against the inner ring of the outer color-changing sheet 2. The outer color-changing sheet 2 is fixedly connected with the supporting sheet 5 at the bottom, thus completing the assembly of the temperature-sensing color-changing device. Finally, in use, the thermochromic device can be attached to the detection site of the detected member by means of the screw 1 and the thermally conductive sheet is brought into contact with the detected member.
It should be noted that the thermochromic device provided by the invention can be suitable for a plurality of technical fields such as industrial production, education and scientific research, household days, medical care and the like, and the scheme not only can correctly indicate whether the heated part of the detected part reaches the target temperature in the heating process of a plurality of heating sources, thereby improving the applicability, but also adopts a detachable structure, is convenient to replace and has high use flexibility.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The thermochromic device capable of being used for multiple heating sources is characterized by comprising a plurality of thermochromic parts with non-overlapping thermochromic temperature ranges and a heat conducting part (6) which is used for being in contact with a detected part and carrying the thermochromic parts, wherein each thermochromic part is correspondingly provided with a label for identifying the heating source.
2. Thermochromic device according to claim 1, further comprising a connecting member for detachably contacting the thermally conductive section (6) with the detected member.
3. The thermochromic device of claim 1, wherein the plurality of thermochromic portions each have a different color when reaching the respective color change temperature range.
4. The thermochromic device according to claim 1, wherein the thermochromic portion is a thermochromic material layer coated on the surface of the heat conducting portion (6).
5. The thermochromic device according to claim 4, wherein the thermochromic material layer comprises a color-developing layer (7) coated on the surface of the heat-conducting portion (6) and a color-changing layer (8) coated on the surface of the color-developing layer (7).
6. The thermochromic device according to claim 1, wherein the thermochromic portion includes a transparent plastic sheet and a thermochromic material mixed inside the transparent plastic sheet.
7. The thermochromic device according to any one of claims 1 to 6, wherein a plurality of the thermochromic portions are arranged one by one nested on the thermally conductive portion (6).
8. Thermochromic device according to any one of claims 1 to 6, characterized in that a plurality of the thermochromic portions are arranged side by side in sequence on the thermally conductive portion (6).
9. The thermochromic device according to any one of claims 1 to 6, wherein the thermally conductive portion (6) includes a plurality of thermally conductive sheets in one-to-one correspondence with the thermochromic portions, and further includes a supporting portion for fixing the plurality of thermally conductive sheets.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357308.5A CN107014517B (en) | 2017-05-19 | 2017-05-19 | Thermochromic device capable of being used for multiple heating sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357308.5A CN107014517B (en) | 2017-05-19 | 2017-05-19 | Thermochromic device capable of being used for multiple heating sources |
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| Publication Number | Publication Date |
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| CN107014517A CN107014517A (en) | 2017-08-04 |
| CN107014517B true CN107014517B (en) | 2024-01-30 |
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| CN201710357308.5A Active CN107014517B (en) | 2017-05-19 | 2017-05-19 | Thermochromic device capable of being used for multiple heating sources |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3588036A1 (en) * | 2018-06-27 | 2020-01-01 | Koninklijke Philips N.V. | System having a layer comprising a thermochromic material |
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| CN107014517A (en) | 2017-08-04 |
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