CN214299368U - Heating mechanism of automatic water sample evaporation and concentration device - Google Patents
Heating mechanism of automatic water sample evaporation and concentration device Download PDFInfo
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- CN214299368U CN214299368U CN202023266359.3U CN202023266359U CN214299368U CN 214299368 U CN214299368 U CN 214299368U CN 202023266359 U CN202023266359 U CN 202023266359U CN 214299368 U CN214299368 U CN 214299368U
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Abstract
The utility model relates to a heating mechanism of an automatic water sample evaporation and concentration device, which comprises a heating film, a lead and a power supply assembly; the heating film comprises a silicone grease layer, a lower vulcanized silicone cloth, a first packaging film, a heating core layer, a second packaging film, an upper vulcanized silicone cloth, an aluminum foil layer and a heat insulation layer which are tightly attached from top to bottom; the power supply assembly is connected with the heating core layer in a welding mode through a lead; the silicone grease layer comprises a silicone grease frame with an opening and silicone grease positioned in the silicone grease frame; the aluminum foil layer further wraps the silicone grease layer, the lower vulcanized silicone cloth, the first packaging film, the heating core layer, the second packaging film and the upper vulcanized silicone cloth. The utility model discloses set up the silicone grease on the silicone grease layer, connect outside hot plate through the silicone grease, can realize the more even efficient transmission of temperature.
Description
Technical Field
The utility model relates to a heating mechanism, concretely relates to automatic evaporative concentration device's of water sample heating mechanism.
Background
The pretreatment work such as water sample evaporation is needed in the detection of the radioactive indexes (alpha and beta) of the drinking water, the traditional sample pretreatment facility for detecting the radioactivity of the water quality comprises a far infrared rapid drying box and a multi-connected electric furnace, certain safety risks exist in the pretreatment operation link in the daily work, and the convenience of the operation, the working efficiency and the like are deficient.
The evaporation of the water sample is generally carried out through a 'multi-connection electric furnace', and when the 'multi-connection electric furnace' is used for heating, the 'multi-connection electric furnace' has large power and uneven heating temperature, so that accurate automatic evaporation of the water sample is difficult to realize. Therefore, it is necessary to develop a heating mechanism of an automatic evaporation and concentration device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a heating mechanism of automatic evaporative concentration device of water sample.
The technical scheme of the utility model as follows:
the utility model provides an automatic evaporative concentration device's of water sample heating mechanism which characterized in that:
comprises a heating film (31), a lead (32) and a power supply assembly (33);
the heating film (31) comprises a silicone grease layer (311), a lower silicon sulfide cloth (312), a first packaging film (313), a heating core layer (314), a second packaging film (315), an upper silicon sulfide cloth (316), an aluminum foil layer (317) and a heat insulation layer (318), which are tightly attached from top to bottom;
the power supply assembly (33) is connected with the heating core layer (314) in a welding mode through a lead (32);
the silicone layer (311) comprises a silicone frame (3111) with an opening, and silicone (3112) located in the silicone frame (3111);
the aluminum foil layer (317) further wraps the silicone grease layer (311), the lower vulcanized silicone cloth (312), the first packaging film (313), the heating core layer (314), the second packaging film (315) and the upper vulcanized silicone cloth (316).
Further, the lead (32) is made of a Teflon wire.
Furthermore, the silicone grease layer (311), the lower vulcanized silicone cloth (312), the first packaging film (313), the heating core layer (314), the second packaging film (315), the upper vulcanized silicone cloth (316), the aluminum foil layer (317) and the thermal insulation layer (318) are bonded and fixed by heat conducting glue.
Further, the first packaging film (313) and the second packaging film (315) are epoxy fiberglass cloth.
Furthermore, the heating core layer is a resistance wire wrapped with carbon fibers.
Further, the heat insulation layer is an asbestos layer.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the silicone grease layer is provided with the silicone grease, and the silicone grease is connected with the external heating plate, so that more uniform and efficient temperature transmission can be realized;
the upper and lower vulcanized silica gel cloth of the utility model has soft appearance and can absorb the flatness tolerance brought by the heating chip;
the utility model discloses an aluminium foil layer wraps up, can realize thermal transmission that makes progress more high-efficiently.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the heating film of the present invention;
in the figure:
31-heating the film; 32-lead wires; 33-a power supply assembly;
311-silicone layer; 3111-silicone grease frame; 3112-silicone grease; 312-lower vulcanized silica gel cloth; 313-a first encapsulation film; 314-heating the core layer; 315-a second encapsulation film; 316-applying vulcanized silica gel cloth; 317-aluminum foil layer; 318-thermal insulation layer.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, a heating mechanism of an automatic water sample evaporation and concentration device according to a preferred embodiment of the present invention includes a heating film 31, a lead 32 and a power supply assembly 33; the power supply assembly 33 of the device is used for connecting an external power supply, and a power supply chip and a temperature protection device are arranged in the power supply assembly and used for supplying power to the heating film 31 through the lead 32 to realize heating of the heating film 31.
The heating film 31 comprises a silicone grease layer 311, a lower vulcanized silicone cloth 312, a first packaging film 313, a heating core layer 314, a second packaging film 315, an upper vulcanized silicone cloth 316, an aluminum foil layer 317 and a thermal insulation layer 318 which are tightly attached from top to bottom; in this apparatus, the silicone grease layer 311 is 2mm thick, the lower silicone vulcanized rubber cloth 312 is 2mm thick, the first sealing film 313 is 3mm thick, the heating core layer 314 is 5mm thick, the second sealing film 315 is 3mm thick, the upper silicone vulcanized rubber cloth 316 is 2mm thick, the aluminum foil layer 317 is 0.2mm thick, and the thermal insulation layer 318 is 5mm thick.
The power supply assembly 33 is connected with the heating core layer 314 in a welding mode through a lead 32, and when the power supply assembly is connected with the heating core layer 314 in a welding mode, the welding points are packaged by high-temperature-resistant silica gel.
The silicone layer 311 includes a silicone frame 3111 with an opening, and a silicone 3112 located in the silicone frame 3111;
the aluminum foil layer 317 further wraps the silicone grease layer 311, the lower silicon sulfide cloth 312, the first packaging film 313, the heating core layer 314, the second packaging film 315, and the upper silicon sulfide cloth 316. The silicone grease frame 3111 is a metal frame with a thickness of 0.2mm, and the silicone grease 3111 is applied to the inside of the metal frame.
The lead 32 is made of teflon wire, which has a high temperature resistant effect.
The silicone layer 311, the lower vulcanized silicone cloth 312, the first packaging film 313, the heating core layer 314, the second packaging film 315, the upper vulcanized silicone cloth 316, the aluminum foil layer 317, and the thermal insulation layer 318 are bonded and fixed by using a heat-conducting glue, and the bonding connection by using the heat-conducting glue is not only firm, but also resistant to high temperature.
The first and second encapsulation films 313 and 315 are epoxy fiberglass cloth.
The heating core layer is a resistance wire wrapped with carbon fibers, the resistance wire is connected with a Teflon wire for heating, and the carbon fibers have a better heat conduction effect after being wrapped.
The heat insulation layer is an asbestos layer, and the lower part of the heat insulation layer is insulated by the asbestos layer.
The utility model discloses at least, have following advantage:
the silicone grease layer is provided with the silicone grease, and the silicone grease is connected with the external heating plate, so that more uniform and efficient temperature transmission can be realized;
the upper and lower vulcanized silica gel cloth of the utility model has soft appearance and can absorb the flatness tolerance brought by the heating chip;
the utility model discloses an aluminium foil layer wraps up, can realize thermal transmission that makes progress more high-efficiently.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic evaporative concentration device's of water sample heating mechanism which characterized in that:
comprises a heating film (31), a lead (32) and a power supply assembly (33);
the heating film (31) comprises a silicone grease layer (311), a lower silicon sulfide cloth (312), a first packaging film (313), a heating core layer (314), a second packaging film (315), an upper silicon sulfide cloth (316), an aluminum foil layer (317) and a heat insulation layer (318), which are tightly attached from top to bottom;
the power supply assembly (33) is connected with the heating core layer (314) in a welding mode through a lead (32);
the silicone layer (311) comprises a silicone frame (3111) with an opening, and silicone (3112) located in the silicone frame (3111);
the aluminum foil layer (317) further wraps the silicone grease layer (311), the lower vulcanized silicone cloth (312), the first packaging film (313), the heating core layer (314), the second packaging film (315) and the upper vulcanized silicone cloth (316).
2. The heating mechanism of the automatic water sample evaporation and concentration device according to claim 1, wherein: the lead (32) is made of Teflon wire.
3. The heating mechanism of the automatic water sample evaporation and concentration device according to claim 1, wherein: the silicone grease layer (311), the lower silicon sulfide cloth (312), the first packaging film (313), the heating core layer (314), the second packaging film (315), the upper silicon sulfide cloth (316), the aluminum foil layer (317) and the thermal insulation layer (318) are bonded and fixed through heat conducting glue.
4. The heating mechanism of the automatic water sample evaporation and concentration device according to claim 3, wherein: the first packaging film (313) and the second packaging film (315) are epoxy glass fiber cloth.
5. The heating mechanism of the automatic water sample evaporation and concentration device according to claim 1, wherein: the heating core layer is a resistance wire wrapped with carbon fibers.
6. The heating mechanism of the automatic water sample evaporation and concentration device according to claim 1, wherein: the heat insulation layer is an asbestos layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266359.3U CN214299368U (en) | 2020-12-30 | 2020-12-30 | Heating mechanism of automatic water sample evaporation and concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266359.3U CN214299368U (en) | 2020-12-30 | 2020-12-30 | Heating mechanism of automatic water sample evaporation and concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214299368U true CN214299368U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023266359.3U Active CN214299368U (en) | 2020-12-30 | 2020-12-30 | Heating mechanism of automatic water sample evaporation and concentration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214299368U (en) |
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2020
- 2020-12-30 CN CN202023266359.3U patent/CN214299368U/en active Active
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