CN-224218532-U - Heating structure applied to immunohistochemical staining instrument

Abstract

The utility model discloses a heating structure applied to an immunohistochemical staining instrument, which comprises an aluminum substrate, a heating film, a fuse and a temperature sensor, wherein the heating film is connected to the bottom of the aluminum substrate, the fuse and the temperature sensor are connected to the heating film, epoxy resin glue is coated outside welding points of the fuse and the heating film, and epoxy resin glue is coated outside welding points of the temperature sensor and the heating film. According to the heating structure applied to the immunohistochemical staining instrument, the fuse and the temperature sensor are sunk in the mounting groove in the aluminum substrate, silica gel is filled in the mounting groove, and the welding spots of the fuse, the temperature sensor and the heating film are coated with the epoxy resin adhesive, so that the tightness of the heating structure is improved, the heating structure is prevented from being corroded by an overflow reagent, the service life of the heating structure is prolonged, and the temperature fluctuation is reduced.

Inventors

• LIN YANMING
• HU HONG
• WANG CHENGCONG
• ZHANG SONG

Assignees

• 深圳达盟生物科技有限公司

Dates

Publication Date

20260508

Application Date

20250514

Claims (10)

1. 1. The heating structure applied to the immunohistochemical staining instrument is characterized by comprising an aluminum substrate, a heating film, a fuse and a temperature sensor; The heating film is connected to the bottom of the aluminum substrate, and the fuse and the temperature sensor are connected to the heating film; the welding points of the fuse and the heating film are coated with epoxy resin glue, and the welding points of the temperature sensor and the heating film are coated with epoxy resin glue.
2. 2. The heating structure for an immunohistochemical staining apparatus according to claim 1, wherein a groove is formed in the bottom of the aluminum substrate, a first mounting groove and a second mounting groove are formed in the bottom of the groove in a sinking mode, the heating film is arranged in the groove, the fuse is arranged in the first mounting groove in a sinking mode, and the temperature sensor is arranged in the second mounting groove in a sinking mode.
3. 3. The heating structure applied to an immunohistochemical staining apparatus according to claim 2, wherein the welding points of the fuse and the heating film are arranged on the film surface of the heating film on the side far away from the aluminum substrate.
4. 4. The heating structure for immunohistochemical staining apparatus according to claim 2, wherein the first and second mounting grooves are further filled with silica gel.
5. 5. The heating structure for an immunohistochemical staining apparatus of claim 4 wherein the first mounting groove is provided near the end of the aluminum substrate and the second mounting groove is provided in the middle of the aluminum substrate.
6. 6. The heating structure for immunohistochemical staining apparatus according to claim 3 wherein the epoxy resin glue is DP460NS epoxy structural glue.
7. 7. The heating structure for immunohistochemical staining apparatus according to claim 4 wherein the silica gel is 1530C gel and three island SD916R organic heat conductive silica gel.
8. 8. The heating structure for immunohistochemical staining apparatus of claim 7 wherein the aluminum substrate is an aluminum alloy.
9. 9. A heating structure applied to an immunohistochemical staining apparatus according to claim 3 wherein the width of the first mounting groove is 1-3mm wider than the fuse and the depth of the first mounting groove is 0.5-2mm greater than the height of the fuse.
10. 10. The heating structure applied to an immunohistochemical staining apparatus according to claim 1 wherein the heating film is a thick film printed heating resistor, and the working temperature of the thick film printed heating resistor is in the range of room temperature to 150 ℃.

Description

Heating structure applied to immunohistochemical staining instrument Technical Field The utility model relates to the technical field of immunohistochemical equipment, in particular to a heating structure applied to an immunohistochemical staining instrument. Background In immunohistochemical staining apparatus, it is often necessary to provide a heating structure to heat the slide. The heating structure generally comprises a substrate and a heating film connected to the substrate, wherein the substrate is heated by heating the heating film, and then the substrate transfers heat energy to the glass slide. However, the detection liquid and the reagent are placed in the glass slide, the reagent outflow can be generated in the immunohistochemical reaction process, and the outflowing reagent can corrode a fuse or a temperature sensor connected on the heating film, so that the adverse effects of poor corrosion resistance, large temperature fluctuation and the like of a heating structure are caused by device damage. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a heating structure applied to an immunohistochemical staining instrument so as to solve the technical problem that the existing slide heating mechanism is easy to corrode. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The embodiment of the utility model provides a heating structure applied to an immunohistochemical staining instrument, which comprises an aluminum substrate, a heating film, a fuse and a temperature sensor; The heating film is connected to the bottom of the aluminum substrate, and the fuse and the temperature sensor are connected to the heating film; the welding points of the fuse and the heating film are coated with epoxy resin glue, and the welding points of the temperature sensor and the heating film are coated with epoxy resin glue. The bottom of the aluminum substrate is provided with a groove, a first mounting groove and a second mounting groove are formed in the bottom of the groove in a sinking mode, the heating film is arranged in the groove, the fuse is arranged in the first mounting groove in a sinking mode, and the temperature sensor is arranged in the second mounting groove in a sinking mode. The welding points of the fuse and the heating film are arranged on the film surface of the heating film, which is far away from one side of the aluminum substrate. And the first mounting groove and the second mounting groove are also filled with silica gel. The first mounting groove is arranged close to the end portion of the aluminum substrate, and the second mounting groove is arranged in the middle of the aluminum substrate. Wherein, the epoxy resin glue is DP460NS epoxy structural glue. The silica gel is 1530C gel and three-island SD916R organic heat conduction silica gel. Wherein, aluminum alloy is adopted for the aluminum substrate. Wherein the width of the first mounting groove is 1-3mm wider than the fuse, and the depth of the first mounting groove is 0.5-2mm greater than the height of the fuse. The heating film is a thick film printing heating resistor, and the working temperature range of the thick film printing heating resistor is room temperature-150 ℃. According to the heating structure applied to the immunohistochemical staining instrument, the fuse and the temperature sensor are sunk in the mounting groove in the aluminum substrate, silica gel is filled in the mounting groove, and the welding spots of the fuse, the temperature sensor and the heating film are coated with the epoxy resin adhesive, so that the tightness of the heating structure is improved, the heating structure is prevented from being corroded by an overflow reagent, the service life of the heating structure is prolonged, and the temperature fluctuation is reduced. The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model. Drawings Fig. 1 to 3 are schematic views of the overall structure of the heating structure applied to the immunohistochemical staining apparatus according to the embodiment of the present utility model. Fig. 4 is an exploded view of a heating structure applied to an immunohistochemical staining apparatus according to an embodiment of the present utility model. Fig. 5 is a schematic structural diagram of a portion of an aluminum substrate of a heating structure applied to an immunohistochemical staining apparatus according to an embodiment of the present utility model. Fig. 6 is a schematic plan view of a heating structure applied to an immunohistochemical staining apparatus according to an embodiment of the present utility model. Fig. 7 is a cross-sectional view taken along A-A in fig. 6. Fi