CN214088517U - Heating device - Google Patents
Heating device Download PDFInfo
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- CN214088517U CN214088517U CN202022759759.1U CN202022759759U CN214088517U CN 214088517 U CN214088517 U CN 214088517U CN 202022759759 U CN202022759759 U CN 202022759759U CN 214088517 U CN214088517 U CN 214088517U
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- heating
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- pressing plate
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- heat insulation
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Abstract
The utility model relates to the technical field of nucleic acid extraction, in particular to a heating device; comprises a fixing component, a heat insulation component, a heating component and a deep hole plate; the fixing component comprises a substrate, a bottom plate and a cushion block; one end of the cushion block is arranged on the substrate, the other end of the cushion block is arranged on the bottom plate, and the substrate, the cushion block and the bottom plate form an installation space for accommodating a wire of the heating assembly; the deep hole plate is arranged on the heating assembly, the heating assembly is arranged on the heat insulation assembly, and the heat insulation assembly is arranged on the step; the utility model discloses from base plate top installation heating device, solved when maintaining heating device, still need dismantle the problem of instrument bottom plate, improve work efficiency, guaranteed the promptness of testing result.
Description
Technical Field
The invention relates to the technical field of nucleic acid extraction, in particular to a heating device.
Background
A nucleic acid extractor is an instrument which automatically finishes the nucleic acid extraction work of a sample by using a matched nucleic acid extraction reagent, and the most common nucleic acid extraction method adopted by the nucleic acid extractor is a magnetic rod method.
The magnetic rod method generally comprises the steps of lysis, adsorption, washing and elution, which are performed in different containers, i.e., the nucleic acids are transferred in different containers. The nucleic acid transfer method is to adsorb nucleic acid by using magnetic beads, and to transfer the magnetic beads and the nucleic acid to another container by using a magnetic rod to adsorb the magnetic beads.
In nucleic acid extraction, the lysis and elution process requires warming of the solution in the reagent wells of a deep-well plate. In the prior art, the heating device is generally fixed on the substrate of the instrument from the lower part, so that the heating device can be maintained only by dismantling the base of the instrument firstly when the heating device is maintained, the subsequent maintenance is inconvenient, the working efficiency is reduced, and the timeliness of a detection result is even influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heating device to among the solution prior art, heating device fixes on the base plate of instrument from the below, causes inconveniently for follow-up maintenance, reduces work efficiency, influences the problem of the timeliness of testing result even.
In order to achieve the purpose, the invention adopts the following technical means:
a heating device comprises a fixing component, a heat insulation component, a heating component and a deep hole plate; the method is characterized in that: the fixing component comprises a substrate, a bottom plate and a cushion block; one end of the cushion block is arranged on the substrate, the other end of the cushion block is arranged on the bottom plate, and the substrate, the cushion block and the bottom plate form an installation space for accommodating a wire of the heating assembly; the deep hole plate is installed on the heating assembly, the heating assembly is installed on the heat insulation assembly, and the heat insulation assembly is installed on the fixing assembly.
A rectangular hole is formed in the substrate, steps are arranged on the inner wall of the periphery of the rectangular hole, and mounting holes are formed in the upper surface of the steps; the heat insulation assembly comprises 2 groups of heat insulation strips, each group of heat insulation strips comprises 2 heat insulation strips, and 2 groups of heat insulation strips form a rectangular frame; the upper surface of the front end of the rectangular frame and the upper surface of the rear end of the rectangular frame are respectively provided with a mounting through hole, the mounting through holes and the mounting holes are arranged in a one-to-one correspondence mode, the diameter size of each mounting through hole is larger than that of each mounting hole, the mounting position of the heat insulation assembly is convenient to adjust, and the rectangular frame is mounted on the step.
The mounting holes and the mounting through holes are respectively 4, the upper surfaces of the front end and the rear end of the step are respectively provided with 2 mounting holes, and the mounting holes are symmetrically arranged on the left side and the right side of the upper surfaces of the front end and the rear end of the step.
The heating assembly comprises a hot well and a heating sheet; the upper surface of the hot well is provided with a mounting groove matched with the bottom of the deep hole plate; the heating plate is installed on the lower surface of the hot well.
The heating assembly further comprises a heating pressing plate; the heating pressing plate is arranged on the bottom surface of the hot well, and the heating sheet is pressed on the lower surface of the hot well by the heating pressing plate.
The heating assembly further comprises a wire pressing plate; the wire pressing plate is arranged on the lower surface of the hot well; the wire pressing plate is provided with a rectangular through hole for installing wires of the heating sheet.
The wire pressing plate comprises a wire upper pressing plate and a wire lower pressing plate; the wire lower pressing plate is arranged on the wire upper pressing plate, and the wire upper pressing plate is arranged on the hot well; the lower surface of the wire upper pressing plate or/and the upper surface of the wire lower pressing plate are/is provided with a groove, and the wire lower pressing plate and the wire upper pressing plate are matched to form a rectangular through hole for installing wires of the heating sheet.
The heating assembly further comprises a temperature sensor mounted on a lower surface of the hot well; the heating pressing plate is provided with a sensor wire mounting hole, and the wire mounting hole is used for mounting wires of the sensor.
The invention has the beneficial effects that:
1. the heating device is arranged above the substrate, so that the problem that an instrument bottom plate needs to be detached when the heating device is maintained is solved, the working efficiency is improved, and the timeliness of a detection result is ensured;
2. the wire of the heating device is arranged in the installation space formed by the substrate and the base, so that the phenomenon that the sheath of the wire is heated and melted due to the contact with the heating assembly is avoided, the safety of the instrument is improved, and the service life of the instrument is prolonged; the installation space also ensures that the substrate does not contact with the base, so that the electric elements at the bottom of the substrate keep dry and air circulation and are not easy to be polluted and damaged;
3. the diameter size of the installation through hole in the heat insulation assembly is larger than that of the installation hole in the step, so that the central axis of each installation groove of the hot well is collinear with the central axis of the corresponding magnetic rod when the installation is convenient, and the problem of interference between the magnetic rod and the deep hole plate caused by installation errors is solved.
Drawings
FIG. 1 is a top view of a heating device;
FIG. 2 is a cross-sectional view of a heating device;
FIG. 3 is a top view of a substrate;
FIG. 4 is a left side view of the heating device;
fig. 5 is a perspective view of the heating apparatus in a bottom view direction.
The reference numbers in the figures denote:
1-fixed component, 2-heat insulation component, 3-heating component, 4-deep hole plate, 11-substrate, 111-mounting hole, 112-step, 12-mounting space, 13-cushion block, 14-bottom plate, 21-heat insulation strip, 211-mounting through hole, 31-hot well, 32-heating plate, 33-heating pressing plate, 331-sensor wire mounting hole, 34-wire pressing plate, 341-wire pressing plate, 342-wire pressing plate, 343-rectangular through hole.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1 to 5, the heating device comprises a fixing assembly 1, an insulating assembly 2, a heating assembly 3 and a deep hole plate 4. The deep hole plate 4 is installed on the heating assembly 3, the heating assembly 3 is installed on the heat insulation assembly 2, and the heat insulation assembly 2 is installed on the fixing assembly 1.
The fixing component 1 comprises a substrate 11, a cushion block 13 and a bottom plate 14; the mat 13 is mounted on the substrate 11 at one end and on the base plate 14 at the other end, so that the substrate 11, the mat 13 and the base plate 14 form a mounting space 12 for accommodating the wire of the heating assembly 3. In fig. 4, a dotted frame is introduced to clearly express the position of the installation space 12, and does not represent a specific mechanical structure.
A rectangular hole is formed in the substrate 11, steps 112 are formed in the inner wall of the periphery of the rectangular hole, a mounting hole 111 is formed in each step 112, the mounting hole 111 is a threaded hole, and the heat insulation assembly 2 is fixed on each step 112 through a bolt through the mounting hole 111; the heat insulation assembly 2 comprises 2 groups of heat insulation strips 21, each group of heat insulation strips 21 is 2, and the 2 groups of heat insulation strips 21 enclose a rectangular frame for fixing the heating assembly 3. Further, the front end face and the rear end face of the rectangular frame are provided with mounting through holes 211, the diameter of each mounting through hole 211 is larger than that of the corresponding mounting hole 111, so that when the rectangular frame is mounted, the central axis of each mounting groove of the hot well 31 is collinear with the central axis of the corresponding magnetic rod, and the problem of interference between the magnetic rod and the deep hole plate 4 caused by mounting errors is solved. Preferably, the number of the mounting holes 111 and the mounting through holes 211 is 4, and 2 mounting holes 111 are respectively provided on the upper surfaces of the front end and the rear end of the step 112, and are symmetrically arranged on the left side and the right side of the upper surfaces of the front end and the rear end of the step 112.
The heating assembly 3 comprises a heat well 31 and a heating sheet 32; the upper surface of the hot well 31 is provided with a plurality of mounting grooves adapted to the bottom of the deep hole plate 4 (the adaptation means that the mounting grooves can be attached to the bottom of the deep hole plate 4 to fix the deep hole plate 4 in the mounting grooves). The heating plate 32 is arranged on the lower surface of the hot well 31, and the heating plate 32 transfers heat to the reagent tube of the deep hole plate 4 through the hot well 31 to heat the solution in the reagent tube; alternatively, the heater chip 32 may be a ceramic chip, a heater film, a heater rod, etc., and is preferably a ceramic chip.
Preferably, the heating assembly 3 further comprises a heating platen 33, the heating platen 33 is mounted on the lower surface of the hot well 31, and the heating sheet 32 is pressed against the lower surface of the hot well 31 by the heating platen 33; specifically, the heating sheet 32 is located between the heating platen 33 and the hot well 31, an upper surface of the heating sheet 32 is attached to a lower surface of the hot well 31, a lower surface is attached to an upper surface of the heating platen 33, and the heating sheet is pressed against the lower surface of the hot well 31 by the heating platen 33. The heating pressing plate 33 plays a role in enhancing heat dissipation while pressing the heating sheet 32, and firstly, the temperature is quickly reduced after the test is finished, so that the deep hole plate is prevented from being scalded due to too high temperature when being taken and placed; secondly, the sheath of the wire rod installed in the installation space 12 is prevented from being heated and melted, and the safety and the service life of the instrument are improved.
Preferably, the heating assembly 3 further comprises a wire press 34; the wire pressing plate 34 is installed on the hot well 31, and a plurality of rectangular through holes are formed in the wire pressing plate 34 and used for installing wires of the heating sheets 32. Specifically, the wire pressing plate 34 includes a wire upper pressing plate 342 and a wire lower pressing plate 341, the wire lower pressing plate 341 is mounted on the wire upper pressing plate 342, a plurality of grooves 342 are provided on the lower surface of the wire upper pressing plate 342, optionally, 1 or more grooves 342 are provided, and the number of the grooves 342 is preferably set to correspond to the number of the heating sheets 32; the groove 342 forms a rectangular through-hole 343 in cooperation with the upper surface of the wire pressing plate 341 for mounting the wire of the heating sheet 32. As another embodiment of the present embodiment, a groove is provided on the upper surface of the wire lower pressing plate 341, or both the upper surface of the wire lower pressing plate 342 and the lower surface of the wire upper pressing plate 342 are provided.
Preferably, the heating assembly 3 further comprises a temperature sensor (not shown in the figure), the temperature sensor is mounted on the lower surface of the hot well 31, a sensor wire mounting hole 331 is formed on the heating platen 33, and the sensor wire mounting hole 331 is used for mounting a wire of the temperature sensor. Set up sensor wire rod mounting hole 331 alone, effectually avoided because of with heating plate 32 direct contact, lead to the sensor wire rod crust to be heated, the phenomenon of melting appears, and, the effectual heating plate wire rod of having avoided is too close with the sensor wire rod distance, produces magnetic field, influences the line signal of sensor wire rod to influence the precision of sensor.
The following explains the technical principle of the present embodiment:
when the heating device is installed, the heating unit is first installed on the heat insulating unit, and the heat insulating unit is installed on the step provided on the substrate from above the substrate.
When the heat insulation assembly is installed on a step, wires of the sensor and the heating block need to be connected with wires correspondingly arranged in the installation space.
The advantages of this are: when the heating device is maintained subsequently, the heat insulation assembly only needs to be disassembled from the base plate, and the wire of the heating device can be completely disassembled after being disconnected with the wire arranged in the installation space; the problem of among the prior art, when dismouting heating device, still need dismantle the instrument bottom plate is solved, work efficiency has been improved, the promptness of testing result is guaranteed.
Claims (8)
1. A heating device comprises a fixing component, a heat insulation component, a heating component and a deep hole plate; the method is characterized in that: the fixing assembly comprises a substrate, a bottom plate and a cushion block; one end of the cushion block is mounted on the substrate, the other end of the cushion block is mounted on the bottom plate, and the substrate, the cushion block and the bottom plate form a mounting space for accommodating a wire of the heating assembly; the deep hole plate is installed on the heating assembly, the heating assembly is installed on the heat insulation assembly, and the heat insulation assembly is installed on the fixing assembly.
2. A heating apparatus as claimed in claim 1, wherein: the substrate is provided with a rectangular hole, steps are arranged on the inner wall of the periphery of the rectangular hole, and mounting holes are formed in the upper surface of the steps; the heat insulation assembly comprises 2 groups of heat insulation strips, each group of heat insulation strips comprises 2 heat insulation strips, and 2 groups of heat insulation strips form a rectangular frame; the heat insulation assembly comprises a rectangular frame, and is characterized in that mounting through holes are formed in the upper surface of the front end of the rectangular frame and the upper surface of the rear end of the rectangular frame, the mounting through holes are in one-to-one correspondence with the mounting holes, the diameter size of each mounting through hole is larger than that of each mounting hole, the mounting position of the heat insulation assembly can be conveniently adjusted, and the rectangular frame is mounted on a step.
3. A heating device as claimed in claim 2, wherein: the mounting holes and the mounting through holes are respectively 4, the upper surfaces of the front end and the rear end of the step are respectively provided with 2 mounting holes, and the mounting holes are symmetrically arranged on the left side and the right side of the upper surfaces of the front end and the rear end of the step.
4. A heating apparatus as claimed in any one of claims 1 to 3, wherein: the heating assembly comprises a hot well and a heating sheet; the upper surface of the hot well is provided with a mounting groove matched with the bottom of the deep hole plate; the heating plate is installed on a lower surface of the heat well.
5. A heating device as claimed in claim 4, characterized in that: the heating assembly further comprises a heating platen; the heating pressing plate is installed on the bottom surface of the hot well, and the heating sheet is pressed on the lower surface of the hot well by the heating pressing plate.
6. A heating device as claimed in claim 5, wherein: the heating assembly further comprises a wire pressing plate; the wire pressing plate is installed on the lower surface of the hot well; and the wire pressing plate is provided with a rectangular through hole for installing wires of the heating sheet.
7. A heating device as claimed in claim 6, wherein: the wire pressing plate comprises a wire upper pressing plate and a wire lower pressing plate; the wire lower pressing plate is arranged on the wire upper pressing plate, and the wire upper pressing plate is arranged on the hot well; the wire rod lower pressing plate and the wire rod upper pressing plate are matched to form a rectangular through hole for installing a wire rod of the heating plate.
8. A heating apparatus as claimed in any one of claims 5 to 7, wherein: the heating assembly further comprises a temperature sensor mounted on a lower surface of the thermal well; and a sensor wire mounting hole is formed in the heating pressing plate and used for mounting a wire of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022759759.1U CN214088517U (en) | 2020-11-25 | 2020-11-25 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022759759.1U CN214088517U (en) | 2020-11-25 | 2020-11-25 | Heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214088517U true CN214088517U (en) | 2021-08-31 |
Family
ID=77452545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022759759.1U Active CN214088517U (en) | 2020-11-25 | 2020-11-25 | Heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214088517U (en) |
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2020
- 2020-11-25 CN CN202022759759.1U patent/CN214088517U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee after: Zhongyuan Huiji Biotechnology Co.,Ltd. Address before: 400037 1st-4th floor, building 30, No.6 Taikang Road, Zone C, Jianqiao Industrial Park, Dadukou District, Chongqing Patentee before: CHONGQING ZHONGYUAN HUIJI BIOTECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |