CN211586671U - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
- Publication number
- CN211586671U CN211586671U CN201921933687.9U CN201921933687U CN211586671U CN 211586671 U CN211586671 U CN 211586671U CN 201921933687 U CN201921933687 U CN 201921933687U CN 211586671 U CN211586671 U CN 211586671U
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- China
- Prior art keywords
- heat
- water
- conducting plate
- semiconductor wafer
- temperature
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000004065 semiconductor Substances 0.000 claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 235000012431 wafers Nutrition 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000012472 biological sample Substances 0.000 abstract description 10
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000002458 infectious effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a biological safety cabinet, including the workstation, still include: the semiconductor wafer, heat-conducting plate, heating panel, samming water system and heat dissipation water system, the heat-conducting plate is located one side of semiconductor wafer and is located the lower part of workstation, and the heating panel is located the opposite side of semiconductor wafer, and samming water system is connected with the heat-conducting plate, and heat dissipation water system is connected with the heating panel. The heat conducting plate rapidly transfers heat (or cold) generated by the semiconductor wafer to the workbench, the workbench is heated (or cooled), and when the workbench is heated (or cooled) to a set value, the semiconductor wafer stops working; the temperature equalizing water system performs temperature equalizing circulation on heat (or cold) on the heat conducting plate, so that the temperature on the heat conducting plate is more uniform; the cooling plate releases cooling capacity (or heat capacity) generated by the semiconductor wafer into air through the cooling water system, so that complete thermal circulation is formed, temperature regulation of the workbench is realized, and a constant temperature operation environment of the biological sample is ensured.
Description
Technical Field
The utility model relates to a biological safety cabinet technical field especially relates to a controllable biological safety cabinet of operation panel temperature.
Background
The biosafety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosols and splashes which may be generated in the operation process when operating infectious experimental materials such as primary cultures, strains of bacteria and viruses and diagnostic specimens.
Some biological samples operated in the safety cabinet need to keep specific temperature of the biological samples to ensure that the activity of the biological samples is not damaged and the accuracy of experimental data is ensured. The conventional workbench does not have a constant temperature function, heat exchange can be generated between the workbench and the biological sample, and the danger of destroying the activity of the biological sample is caused.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
In view of this, the utility model discloses a biological safety cabinet, the temperature of its workstation is controllable, guarantees biological sample's constant temperature operational environment.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a biological safety cabinet comprises a workbench and further comprises: a semiconductor wafer; the heat conducting plate is arranged on one side of the semiconductor wafer and is positioned at the lower part of the workbench; a heat dissipation plate provided on the other side of the semiconductor wafer; the temperature equalizing water system is connected with the heat conducting plate; and the heat dissipation water system is connected with the heat dissipation plate.
Furthermore, the temperature-equalizing water system comprises a closed-loop first water pipeline and a first water pump connected with the first water pipeline, and the part of the first water pipeline is arranged in the heat-conducting plate.
Further, the heat dissipation water system comprises a second water pipeline, a second water pump and a water tank, the second water pipeline is connected with the second water pump, the two ends of the second water pipeline are connected with the water tank, and the part of the second water pipeline is arranged in the heat dissipation plate.
Further, a heat radiation fan is arranged in the water tank.
Further, the water tank is arranged in an air duct of the biological safety cabinet.
Furthermore, the heat conducting plate is bonded with the lower part of the workbench through heat conducting glue.
Furthermore, a plurality of semiconductor wafers are arranged on one side of the heat conducting plate.
Further, the heat dissipation plate has a plurality of heat dissipation plates, and each heat dissipation plate covers a part of the semiconductor wafer.
Furthermore, a temperature sensor is arranged on the heat conducting plate.
Furthermore, the heat conducting plate is made of aluminum.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
one side of the semiconductor wafer generates heat and the other side generates cold, the heat conducting plate rapidly transfers the heat (or cold) generated by the semiconductor wafer to the workbench, the workbench is heated (or cooled), and when the workbench is heated (or cooled) to a set value, the semiconductor wafer stops working; the temperature equalizing water system performs temperature equalizing circulation on heat (or cold) on the heat conducting plate, so that the temperature on the heat conducting plate is more uniform; the cooling plate releases cooling capacity (or heat capacity) generated by the semiconductor wafer into air through the cooling water system, so that complete thermal circulation is formed, temperature regulation of the workbench is realized, and a constant temperature operation environment of the biological sample is ensured.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of an embodiment of the biosafety cabinet of the present invention;
FIG. 2 is a schematic diagram of a temperature adjustment module according to an embodiment of the biosafety cabinet of the present invention;
FIG. 3 is a first schematic structural view of a temperature adjustment module according to an embodiment of the biosafety cabinet of the present invention;
fig. 4 is a schematic structural diagram of a temperature adjustment module according to an embodiment of the biosafety cabinet of the present invention.
Wherein,
01-workbench, 02-semiconductor wafer, 03-heat conducting plate, 04-heat radiating plate, 05-uniform temperature water system, 51-first water pipeline, 52-first water pump, 06-heat radiating water system, 61-second water pipeline, 62-second water pump, 63-water tank, 64-heat radiating fan and 07-temperature adjusting module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses a biological safety cabinet, which is shown in figure 1 and comprises a workbench 01. The worktable 01 is provided with a temperature adjusting module 07 for adjusting the temperature of the worktable, and the installation position thereof is indicated by a dashed line frame in fig. 1.
Fig. 2 is a schematic diagram of the temperature control module 07, fig. 3 is a structural diagram of the front side of the temperature control module 07, and fig. 4 is a structural diagram of the rear side of the temperature control module 07.
The temperature adjusting module 07 includes a semiconductor wafer 02, a heat conducting plate 03, a heat dissipating plate 04, a uniform temperature water system 05, and a heat dissipating water system 06.
One side of the semiconductor wafer 02 generates heat and the other side generates cold.
The heat conduction plate 03 is provided on one side of the semiconductor wafer 02 and below the stage 01. The heat transfer plate 03 quickly transfers heat (or cold) generated from one side of the semiconductor wafer 02 to the stage 01 to raise (or lower) the temperature of the stage 01. The heat conducting plate 03 is preferably closely attached to the lower part of the workbench 01, so that rapid heat exchange between the heat conducting plate and the workbench 01 is realized, and the heat exchange efficiency is improved.
The temperature equalizing water system 05 is connected with the heat conducting plate 03, and performs temperature equalizing circulation on heat (or cold) on the heat conducting plate 03, so that the temperature on the heat conducting plate 03 is more uniform.
The heat radiating plate 04 is provided on the other side of the semiconductor wafer 02, and is used to release cold (or heat) generated from the other side of the semiconductor wafer 02 into the air.
The heat dissipation water system 06 is connected to the heat dissipation plate 04, and is configured to release the cooling capacity (or the heat capacity) on the heat dissipation plate 04 to the air as soon as possible, so as to improve the heat dissipation efficiency.
When the temperature of the worktable 01 is raised (or lowered) to a set value, the semiconductor wafer 02 stops working. Thus, a complete thermal cycle is formed, the temperature of the working table 01 is adjusted, and the constant temperature operation environment of the biological sample is ensured.
The temperature equalization water system 05 comprises a closed-loop first water pipeline 51 and a first water pump 52 connected with the first water pipeline 51, and part of the first water pipeline 51 is arranged in the heat conduction plate 03. The first water pipeline 51 is internally communicated with water, and the first water pump 52 provides power for the flow of the water, so that the water circularly flows in the closed-loop first water pipeline 51, and further the heat (or cold) on the heat-conducting plate 03 is equalized.
The first water pipe 51 disposed in the heat conductive plate 03 is preferably spirally arranged, which contributes to an increase in heat conduction effect.
The heat transfer plate 03 is preferably made of aluminum, and has better heat conductivity.
The heat-conducting plate 03 is fixedly bonded to the lower portion of the workbench 01 through the heat-conducting glue, so that the installation is facilitated on the one hand, the heat-conducting glue is also convenient for heat conduction on the other hand, and the heat-conducting efficiency is improved.
The heat radiation water system 06 includes a second water pipe 61, a second water pump 62, and a water tank 63, the second water pipe 61 is connected to the second water pump 62, the water tank 63 is connected to both ends of the second water pipe 61, and a part of the second water pipe 61 is provided in the heat radiation plate 04. Water flows through the second water pipe 61, and the second water pump 62 provides power for the flow of water, so that water circulates between the second water pipe 61 and the water tank 63. The water in the second water pipe 61 transfers the cold (or heat) on the heat radiating plate 04 to the water tank 63, and the water in the water tank 63 releases the cold (or heat) to the air. Continuous heat dissipation is realized through the continuous circulation flow of water in the second water pipeline 61.
The second water pipe 61 disposed in the heat radiating plate 04 is preferably spirally arranged, which contributes to an increase in heat transfer effect.
A heat radiating fan 64 is preferably provided in the water tank 63 to improve heat radiating efficiency of the water in the water tank 63.
The water tank 63 is preferably disposed in an air duct (not shown) of the biosafety cabinet, and the air flow in the air duct is fully utilized to further improve the heat dissipation efficiency of the water in the water tank 63.
Compared with the case that a large semiconductor refrigerating sheet is arranged on the heat conducting plate 03, the plurality of small semiconductor sheets 02 conduct heat (or conduct cold) to the heat conducting plate 03 at the same time, and the heat (or cold) on the heat conducting plate 03 is uniformly distributed.
The plurality of heat dissipation plates 04 cover a part of the semiconductor chips 02, and the plurality of heat dissipation plates 04 dissipate heat of the plurality of semiconductor chips 02 at the same time, thereby improving heat dissipation efficiency.
A temperature sensor (not shown) is arranged on the heat conducting plate 03, when the temperature on the heat conducting plate 03 does not reach a set temperature value, the semiconductor wafer 02 starts to work, and the temperature adjusting module 07 starts heat circulation; when the temperature of the heat conducting plate 03 reaches a set temperature value, the semiconductor wafer 02 stops working. Realize workstation 01's thermostatic control through temperature regulation module 07, simple structure, the control of being convenient for provide the constant temperature environment for biological sample's operation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a biological safety cabinet, includes the workstation, its characterized in that still includes:
a semiconductor wafer;
the heat conducting plate is arranged on one side of the semiconductor wafer and is positioned at the lower part of the workbench;
a heat dissipation plate disposed on the other side of the semiconductor wafer;
the temperature equalizing water system is connected with the heat conducting plate;
and the heat dissipation water system is connected with the heat dissipation plate.
2. The biosafety cabinet according to claim 1,
the temperature equalizing water system comprises a closed-loop first water pipeline and a first water pump connected with the first water pipeline, and the first water pipeline is partially arranged in the heat-conducting plate.
3. The biosafety cabinet according to claim 1,
the water cooling system comprises a second water pipeline, a second water pump and a water tank, the second water pipeline is connected with the second water pump, the two ends of the second water pipeline are connected with the water tank, and the part of the second water pipeline is arranged in the heat cooling plate.
4. The biosafety cabinet according to claim 3,
a cooling fan is arranged in the water tank.
5. The biosafety cabinet according to claim 3,
the water tank is arranged in an air duct of the biological safety cabinet.
6. The biosafety cabinet according to claim 1,
the heat conducting plate is bonded with the lower part of the workbench through heat conducting glue.
7. The biosafety cabinet according to claim 1,
one side of the heat conducting plate is provided with a plurality of semiconductor wafers.
8. The biosafety cabinet according to claim 7,
the heat dissipation plate is provided with a plurality of heat dissipation plates, and each heat dissipation plate covers a part of the semiconductor wafer.
9. The biosafety cabinet according to any of claims 1 to 8,
and the heat conducting plate is provided with a temperature sensor.
10. The biosafety cabinet according to any of claims 1 to 8,
the heat conducting plate is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933687.9U CN211586671U (en) | 2019-11-11 | 2019-11-11 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933687.9U CN211586671U (en) | 2019-11-11 | 2019-11-11 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211586671U true CN211586671U (en) | 2020-09-29 |
Family
ID=72587526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921933687.9U Active CN211586671U (en) | 2019-11-11 | 2019-11-11 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211586671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301307A (en) * | 2021-05-04 | 2022-11-08 | 纬创资通股份有限公司 | Thermal cycle device, detection device and temperature control method |
-
2019
- 2019-11-11 CN CN201921933687.9U patent/CN211586671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301307A (en) * | 2021-05-04 | 2022-11-08 | 纬创资通股份有限公司 | Thermal cycle device, detection device and temperature control method |
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