Optical uniform-temperature cooling and heating table

By combining vacuum pump evacuation, heating grid core heating, and liquid nitrogen pump cooling, the problem of inaccurate temperature control of the hot and cold stages was solved, achieving precise temperature control and safe operation of the optical uniform temperature hot and cold stages.

CN223901891UActive Publication Date: 2026-02-13WENTIAN JINGCE INSTR TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423036681.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-02-13
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The existing hot and cold stages cannot effectively control the temperature point during the transition between high and low temperatures, resulting in inaccurate sample detection and potential safety hazards.

Method used

A combination of vacuum pump evacuation, heating grid core heating, and liquid nitrogen pump cooling is used to achieve precise temperature control between -190℃ and 600℃. The design of fixed sheet metal and mirror gaskets ensures the stability and sealing of the device.

Benefits of technology

It achieves precise temperature control between -190℃ and 600℃, ensuring the accuracy of sample testing and operational safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an optical uniform-temperature cooling and heating table which comprises a base, a cover plate is fixedly arranged on the outer side of the base, a decorative plate is arranged in the base, a zirconium bead fixing piece and a silver table fixing block are respectively arranged in the base, the zirconium bead fixing piece and the silver table fixing block are fixedly connected, and the zirconium bead fixing piece is fixedly connected with the silver table fixing block. A temperature control flange plate is fixedly arranged at the top of the base, a liquid nitrogen flange plate is fixedly arranged at the bottom of the base, an upper sight glass pressing plate is arranged on the outer side of the cover plate, and a liquid nitrogen pipe sleeve is fixedly arranged in the temperature control flange plate. The vacuum pump vacuumizes the interior of the base through the corrugated pipe, so that the interior of a cavity of the base is in a vacuum state, the table core is heated through the heating net, the temperature of the table core in the base rises to 600 DEG C, the temperature uniformity of the surface of the table core can be guaranteed through the heating net, the liquid nitrogen pump is started, and liquid nitrogen flows to the table core through the nitrogen conveying pipe; when the temperature of the table core is reduced, the temperature can be controlled to-190 DEG C, and the temperature can be effectively controlled at any temperature point between-190 DEG C and 600 DEG C.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cold and hot platform, concretely is a kind of for optical uniform temperature cold and hot platform. BACKGROUND

[0002] Cold and hot platform is a kind of equipment in laboratory, research and industrial production process to carry out temperature control, with wide temperature range, easy operation and safe use etc.

[0003] At present, there are still some problems in the use process based on existing cold and hot platform, that is, in the transformation between high temperature and low temperature in the cold and hot platform, the temperature points in the platform body cannot be effectively controlled, so that the cold and hot platform cannot accurately detect the sample, which will affect the sample test and harm the operator, therefore, we propose a kind of for optical uniform temperature cold and hot platform to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for optical uniform temperature cold and hot platform to solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for optical uniform temperature cold and hot platform, including base, the base outer side is fixedly arranged with cover plate, the base is provided with decorative plate in, the inner portion of base is provided with zirconium bead fixed piece and silver table fixed block respectively, zirconium bead fixed piece and silver table fixed block are fixedly connected between, the top of base is fixedly arranged with temperature control flange plate, the bottom of base is fixedly arranged with liquid nitrogen flange plate, the outer side of cover plate is provided with upper sight mirror pressing plate, the temperature control flange plate is fixedly provided with liquid nitrogen pipe sleeve in, liquid nitrogen pipe sleeve is inserted with nitrogen pipe, nitrogen pipe is connected with external liquid nitrogen pump, liquid nitrogen pipe sleeve outer side is engaged with liquid nitrogen pipe pressure head, the base is provided with heating net table core in, the base is provided with bellow, bellow other end is connected with external vacuum pump, zirconium bead fixed piece and silver table fixed block are provided with zirconium bead body between, the side of upper sight mirror pressing plate is provided with upper sight mirror piece, upper sight mirror piece is tightly attached to cover plate outer side, the base is provided with sample compression spring in.

[0006] As further preferred of the technical scheme, the outer side of base is fixedly arranged with fixed sheet metal, the fixed sheet metal is provided with waist type hole.

[0007] As further preferred of the technical scheme, the fixed sheet metal is provided with two groups, and the two groups of fixed sheet metal are respectively arranged at the left and right side positions of base.

[0008] As a further preferred of the technical solution, the outer side of the upper mirror pressing plate is fixedly provided with a mirror gasket, the mirror gasket is tightly attached to the outer side of the upper mirror plate, and the upper mirror pressing plate and the mirror gasket are tightly pressed through threads.

[0009] As a further preferred of the technical solution, the outer side of the base is fixedly provided with a blowing support, the blowing support is provided with an anti-skid sleeve, and the outer side of the anti-skid sleeve is in a wave shape.

[0010] As a further preferred of the technical solution, the blowing support is provided with two groups, and the two groups of blowing supports are respectively arranged at left and right sides of the base.

[0011] The utility model provides a kind of for optical temperature equalization cold and hot table, with following beneficial effects:

[0012] The utility model discloses vacuum pump is extracted vacuum to base interior by bellows, make base cavity interior reach vacuum state, carry out heating work by heating net table core, base interior table core temperature rises to 600 DEG C, can guarantee table core surface temperature uniformity by heating net, liquid nitrogen pump starts, liquid nitrogen flows to table core by nitrogen pipe, table core temperature drops, temperature can be controlled to-190 DEG C, can effectively control temperature between-190~600 DEG C any temperature point. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure front view schematic view of the utility model;

[0014] Figure 2 It is the structure front view schematic view of base interior of the utility model;

[0015] Figure 3 It is the structure bottom view schematic view of the utility model.

[0016] In the drawing: 1, base;2, cover plate;3, decorative plate;4, zirconium bead fixed piece;5, silver table fixed block;6, temperature control flange plate;7, liquid nitrogen flange plate;8, upper mirror pressing plate;9, liquid nitrogen pipe sleeve;10, liquid nitrogen pipe pressure head;11, fixed sheet metal;12, heating net table core;13, bellows;14, zirconium bead body;15, upper mirror plate;16, mirror gasket;17, sample pressing spring;18, blowing support. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0018] The utility model provides technical scheme: as Figure 1 、 Figure 2 And Figure 3As shown, in this embodiment, a kind of optical temperature uniformity cold and hot platform, including base 1, the outer side of the base 1 is fixedly provided with cover plate 2, the base 1 is provided with decorative plate 3, the inner portion of the base 1 is respectively provided with zirconium bead fixed piece 4 and silver table fixed block 5, the zirconium bead fixed piece 4 and silver table fixed block 5 are fixedly connected, the top of the base 1 is fixedly provided with temperature control flange plate 6, the bottom of the base 1 is fixedly provided with liquid nitrogen flange plate 7, the outer side of the cover plate 2 is provided with upper sight glass pressing plate 8, the temperature control flange plate 6 is fixedly provided with liquid nitrogen pipe sleeve 9 in, the liquid nitrogen pipe sleeve 9 is inserted with nitrogen pipe, the nitrogen pipe is connected with external liquid nitrogen pump, the outer side of the liquid nitrogen pipe sleeve 9 is engagedly connected with liquid nitrogen pipe pressure head 10, the base 1 is provided with heating net table core 12, the base 1 is provided with bellow 13, the other end of the bellow 13 is connected with external vacuum pump, the zirconium bead fixed piece 4 and silver table fixed block 5 are provided with zirconium bead body 14, one side of the upper sight glass pressing plate 8 is provided with upper sight glass 15, the upper sight glass 15 is tightly attached to the outer side of cover plate 2, the base 1 is provided with sample compression spring 17, vacuum is extracted to the inside of base 1 by vacuum pump through bellow 13, so that the inside of the cavity of base 1 reaches vacuum state, heating work is carried out by heating net table core 12, the temperature of the inside table core of base 1 rises to 600 DEG C, the surface temperature uniformity of table core can be guaranteed by heating net, liquid nitrogen pump is started, liquid nitrogen flows to table core through nitrogen pipe, the temperature of table core drops, and temperature can be controlled to-190 DEG C, so that temperature can be effectively controlled at any temperature point between-190 DEG C and 600 DEG C.

[0019] As shown, Figure 2 The outer side of the base 1 is fixedly provided with fixed sheet metal 11, the fixed sheet metal 11 is provided with a pair of waist-shaped holes, and the fixed sheet metal 11 is provided with two groups, and the two groups of fixed sheet metal 11 are respectively arranged at the left and right sides of the base 1. The fixed sheet metal 11 can effectively fix the position of the device, and the waist-shaped hole can facilitate the initial stage position adjustment of the base 1.

[0020] As shown, Figure 3 The outer side of the upper sight glass pressing plate 8 is fixedly provided with mirror gasket 16, the mirror gasket 16 is tightly attached to the outer side of the upper sight glass 15, and the upper sight glass pressing plate 8 and the mirror gasket 16 are tightly pressed by threads, the mirror gasket 16 can seal the inside of the base 1, and also prevent the upper sight glass 15 from being damaged by extrusion.

[0021] As shown, Figure 3As shown, the outer side of the base 1 is fixedly provided with a blowing support 18, the blowing support 18 is provided with an anti-skid sleeve, and the outer side of the anti-skid sleeve is in a wave shape, the blowing support 18 is provided with two groups, and the two groups of blowing supports 18 are respectively arranged at the left and right sides of the base 1, and the blowing support 18 can facilitate the blowing and defrosting of the inside of the base 1.

[0022] The utility model provides a kind of for optical temperature equalization cold and hot table, specific working principle as follows:

[0023] In the use of the device, the vacuum pump is used to extract vacuum to the inside of the base 1 through the corrugated pipe 13, so that the inside of the base 1 cavity reaches a vacuum state, and the heating net table core 12 is used for heating work, the temperature of the inside of the base 1 table core rises to 600 DEG C, the heating net can ensure the uniformity of the surface temperature of the table core, the liquid nitrogen pump is started, the liquid nitrogen flows to the table core through the nitrogen conveying pipe, the temperature of the table core drops, and the temperature can be controlled to-190 DEG C, so that the temperature can be effectively controlled at any temperature point between-190 DEG C and 600 DEG C, the fixed sheet metal 11 is arranged, the device can be effectively fixed in position, the waist-shaped hole can be used for the initial stage of the base 1 position to carry out fine adjustment work, the mirror gasket 16 is arranged, the inside of the base 1 can be sealed, and the upper viewing lens 15 is prevented from being damaged by extrusion.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An optical homogenizing cold stage, characterized by: The base (1) is fixedly provided with a cover plate (2) outside, and is provided with a decorative plate (3) inside, and is provided with a zirconium bead fixing plate (4) and a silver table fixing block (5) inside, respectively, and is fixedly connected between the zirconium bead fixing plate (4) and the silver table fixing block (5), and is fixedly provided with a temperature control flange plate (6) at the top, and is fixedly provided with a liquid nitrogen flange plate (7) at the bottom, and is provided with an upper sight mirror pressing plate (8) outside the cover plate (2), and is fixedly provided with a liquid nitrogen pipe sleeve (9) inside the temperature control flange plate (6), and is provided with a nitrogen delivery pipe inserted therein, and is connected with an external liquid nitrogen pump, and is engagedly connected with a liquid nitrogen pipe pressure head (10) outside the liquid nitrogen pipe sleeve (9), and is provided with a heating net table core (12) inside, and is provided with a bellows (13) inside, and is connected with an external vacuum pump at the other end, and is provided with a zirconium bead body (14) between the zirconium bead fixing plate (4) and the silver table fixing block (5), and is provided with an upper sight mirror piece (15) on one side of the upper sight mirror pressing plate (8), and is tightly attached to the outside of the cover plate (2), and is provided with a sample compression spring (17) inside.

2. An optical temperature uniformity stage according to claim 1, wherein: The outer side of the base (1) is fixedly provided with a fixed sheet metal (11), and the fixed sheet metal (11) is provided with a waist-shaped hole.

3. An optical temperature uniformity stage according to claim 2, wherein: The fixed sheet metal (11) is provided with two groups, and the two groups of fixed sheet metals (11) are respectively arranged at the left and right side positions of the base (1).

4. The optical thermal stage for uniform temperature according to claim 1, wherein: The outer side of the upper sight mirror pressing plate (8) is fixedly provided with a mirror gasket (16), which is tightly attached to the outside of the upper sight mirror piece (15), and the upper sight mirror pressing plate (8) and the mirror gasket (16) are tightly pressed by threads.

5. The optical thermal stage for uniform temperature according to claim 1, wherein: The outer side of the base (1) is fixedly provided with a blowing support (18), which is provided with an anti-skid sleeve, and the outer side of the anti-skid sleeve is in a wave shape.

6. An optical temperature uniformity stage according to claim 5, wherein: The blowing support (18) is provided with two groups, and the two groups of blowing supports (18) are respectively arranged at the left and right side positions of the base (1).