CN108973154B - Air compression temperature control device based on biological 3D printing apparatus - Google Patents
Air compression temperature control device based on biological 3D printing apparatus Download PDFInfo
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- CN108973154B CN108973154B CN201810916608.7A CN201810916608A CN108973154B CN 108973154 B CN108973154 B CN 108973154B CN 201810916608 A CN201810916608 A CN 201810916608A CN 108973154 B CN108973154 B CN 108973154B
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- air
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- temperature control
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- evaporator
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- 238000010146 3D printing Methods 0.000 title claims abstract description 24
- 230000006835 compression Effects 0.000 title claims abstract description 17
- 238000007906 compression Methods 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 39
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 230000001954 sterilising effect Effects 0.000 claims abstract description 17
- 238000007639 printing Methods 0.000 claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 241000894006 Bacteria Species 0.000 claims abstract description 11
- 241000700605 Viruses Species 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 239000003507 refrigerant Substances 0.000 claims description 5
- 239000003570 air Substances 0.000 description 92
- 239000012080 ambient air Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000012620 biological material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 241000606161 Chlamydia Species 0.000 description 1
- 241000711573 Coronaviridae Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000606701 Rickettsia Species 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses an air compression temperature control device based on biological 3D printing equipment, and belongs to the technical field of clean sterilization systems and temperature control. The insulation can of the air compression temperature control device is arranged on a printer base, the printing structure is arranged in an inner cavity of the insulation can, and the insulation can is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet; the air cleaning structure is arranged above the inner top plate of the heat insulation box, and an air inlet of the air cleaning structure is communicated with an air outlet of the heat insulation box through an air duct and is used for sucking air in the heat insulation box for filtering; the air compressor is arranged in the heat insulation box and used for refrigerating the filtered air; the air compressor comprises a compressor, a condenser, a throttle valve and an evaporator, and the compressor, the condenser, the throttle valve and the evaporator are sequentially connected through pipelines; and the disinfection and sterilization structure is arranged at the top of the side wall of the heat preservation box and is used for irradiating the inside of the heat preservation box to kill bacteria and viruses in the air.
Description
Technical Field
The invention belongs to the technical field of cleaning and sterilizing systems and temperature control, and particularly relates to an air compression temperature control device based on biological 3D printing equipment, which integrates cleaning, sterilizing and temperature control.
Background
Due to the particularity of biological 3D printing, a clean and sterile printing environment and a temperature control of ambient air are required, however, the current biological 3D printer needs to ensure a clean and sterile printing environment by means of a biological safety cabinet or other conditions; the biological material is more in variety, and the temperature that needs is also different, to current biological printer temperature control system, the jam phenomenon appears in the biological material easily, and the biological cell survival rate reduces scheduling problem.
The 3D printer applied to the field of biological printing has higher requirements on the printing environment during working, and the temperature control on the environment of the forming chamber of the printer is important on the one hand except the control on the cleanliness and the humidity of the environment. Because most of the materials applied to the field of biological 3D printing are temperature-sensitive materials or isolated cells with requirements on specific temperature, a forming chamber is required to be adjusted to reach a specific temperature point or temperature range during printing operation, and the temperature is required to be subjected to gradient control sometimes.
Most biological 3D printers at present often only carry out temperature control to the shower nozzle and the shaping platform of printer, and at the actual printing in-process, there is the control by temperature change blind area in material or isolated cell behind the shower nozzle and before the contact shaping platform, and this is unfavorable for the survival rate and the printing accuracy control of cell. Although the required ambient temperature can be obtained by placing the entire printer in a room where temperature control is possible, the control accuracy of this method is low and unstable, and the requirement for bioprinting cannot be satisfied.
Disclosure of Invention
The invention aims to solve the problems that an existing biological 3D printer needs to be placed in a room capable of temperature control to obtain required environment temperature, the temperature control precision of the method is low and unstable, and the requirement of biological printing cannot be met.
The invention discloses an air compression temperature control device based on biological 3D printing equipment, which is applied to the biological 3D printing equipment and comprises:
the printing structure is arranged in an inner cavity of the heat insulation box, the heat insulation box is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, the air inlet is arranged on the side wall of the heat insulation box, and the air outlet is arranged on an inner top plate of the heat insulation box;
the air cleaning structure is arranged above the inner top plate of the heat insulation box, an air inlet of the air cleaning structure is communicated with an air outlet of the heat insulation box through the air channel, and the air cleaning structure is used for filtering air sucked into the heat insulation box;
the air compressor is arranged in the heat insulation box and used for refrigerating the filtered air;
the air compressor comprises a compressor, a condenser, a throttle valve and an evaporator, the compressor, the condenser, the throttle valve and the evaporator are sequentially connected through pipelines, an air inlet of the evaporator is connected with an air outlet of the air cleaning structure, the evaporator is arranged on an inner top plate of the heat insulation box and located below the air cleaning structure, and an air outlet of the evaporator is communicated with an inner cavity of the heat insulation box;
and the disinfection and sterilization structure is arranged at the top of the side wall of the heat preservation box and is used for irradiating the inside of the heat preservation box to kill bacteria and viruses in the air.
Preferably, the air compressor further comprises a refrigerant, and the refrigerant circulates in a pipeline formed by the compressor, the condenser, the throttle valve and the evaporator so as to exchange heat with the external environment.
Preferably, the air cleaning structure adopts an FFU fan filter unit.
Preferably, the sterilization structure adopts an ultraviolet sterilization lamp, and the ultraviolet sterilization lamp is used for sterilizing bacteria and viruses in the air.
Preferably, a fan is arranged at the air outlet and used for sucking air in the closed air duct into the heat insulation box.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.
The air compression temperature control device has the advantages that the biological 3D printing equipment is free from dependence on a biological safety cabinet, a temperature-controllable clean and sterile environment is provided for biological 3D printing through the air cleaning structure, the air compressor and the disinfection and sterilization structure, the printing requirements of high-temperature materials and low-temperature materials are met, and the air compression temperature control device has the advantages of high working efficiency, low noise, high reliability, wide application range and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an air compression temperature control device based on a biological 3D printing device according to the present invention;
fig. 2 is a bottom view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1-2, an air compression temperature control device based on a biological 3D printing apparatus, applied to the biological 3D printing apparatus, includes:
the printing structure is arranged in an inner cavity of the heat preservation box 1, the heat preservation box 1 is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, the air inlet is arranged on the side wall of the heat preservation box 1, and the air outlet is arranged on an inner top plate of the heat preservation box 1;
the air cleaning structure 3 is arranged above an inner top plate of the heat insulation box 1, and an air inlet of the air cleaning structure 3 is communicated with an air outlet of the heat insulation box 1 through an air duct and is used for sucking air in the heat insulation box 1 for filtering;
the air compressor is arranged in the heat insulation box 1 and used for refrigerating the filtered air;
the air compressor comprises a compressor, a condenser, a throttle valve and an evaporator 2, the compressor, the condenser, the throttle valve and the evaporator 2 are sequentially connected through a pipeline, an air inlet of the evaporator 2 is connected with an air outlet of the air cleaning structure 3, the evaporator 2 is arranged on an inner top plate of the heat insulation box 1 and is positioned below the air cleaning structure 3, an air outlet of the evaporator 2 is communicated with an inner cavity of the heat insulation box 1, filtered air is used for refrigerating ambient air through the compressor, then the ambient air is sent into the evaporator 2 at a constant speed and is sent out from an air outlet of the evaporator 2 at a constant speed, and therefore temperature control of the ambient air in the heat insulation box 1 is achieved;
and the disinfection and sterilization structure 4 is arranged at the top of the side wall of the incubator 1 and is used for irradiating the inside of the incubator 1 to kill bacteria and viruses in the air.
In the present embodiment, the air cleaning structure 3 may filter dust, bacteria, pollutants, etc. in the air to provide clean air for the working environment of the 3D printing apparatus. The air compressor can flexibly control the ambient temperature according to different temperatures required by the working environment. The sterilization structure 4 can remove bacteria, viruses and other substances contained in the air so as to provide a sterile environment for the working environment of the 3D printing equipment. The air compression temperature control device enables biological 3D printing equipment to get rid of dependence on a biological safety cabinet, and the air compression temperature control device realizes the purpose of providing a clean and sterile environment with controllable temperature for biological 3D printing through the air cleaning structure 3, the air compressor and the disinfection and sterilization structure 4 so as to meet the printing requirements of high-temperature materials and low-temperature materials, and has the advantages of high working efficiency, low noise, high reliability, wide application range and the like.
In a preferred embodiment, the air compressor further comprises a refrigerant circulating in a pipe formed by the compressor, the condenser, the throttle valve and the evaporator 2 to exchange heat with the external environment, thereby achieving temperature control of the air in the incubator 1.
In the preferred embodiment, the air cleaning structure 3 employs an FFU fan filter unit. Ambient air in the insulation can 1 is sucked into the FFU fan filter unit by the fan, the ambient air is filtered by the high-efficiency filter, fine particles such as dust mixed in the ambient air are filtered, and the filtered clean air is sent out at a constant speed at the air outlet so as to realize the purification of the air.
In this embodiment, the FFU fan filter unit is provided with the primary and high-efficiency two-stage filter screens, so that the air filtering efficiency can be improved, and the FFU fan filter unit adopts an outer rotor centrifugal fan, so that the FFU fan filter unit has the characteristics of long service life, low noise, no maintenance, small vibration, stepless speed regulation and the like. The method is suitable for obtaining higher-level clean environment in various environments.
In the preferred embodiment, the sterilization structure 4 is an ultraviolet sterilization lamp, which is used to sterilize bacteria, viruses, etc. in the air to provide a sterile air environment for the air in the incubator 1.
In this embodiment, the ultraviolet disinfection lamp can be used to kill bacteria propagules, spores, mycobacteria, coronaviruses, fungi, rickettsia, chlamydia and the like, so as to provide a sterile environment for biological 3D printing, and the printing platform and the biological material printed on the printing platform can be printed in the sterile environment.
In a preferred embodiment, a fan is arranged at the air outlet to suck the air in the closed air duct into the heat preservation box 1.
In this embodiment, the air in the insulation can 1 is inhaled the wind channel through the air inlet by the fan in, clean structure 3 of air filters inspiratory air, tiny granule such as dust that mix with in the filtering ambient air, the clean air after the filtration is sent out at the uniform velocity, refrigerate ambient air through air compressor, all send into insulation can 1 in, utilize disinfection structure 4 to shine the air in insulation can 1 and kill the virus in the ambient air, the bacterium, in order to form clean air's inner loop.
Finally, it is to be noted that: obviously, the above-described embodiments are some, not all embodiments of the present invention, and only illustrate the technical solutions of the present invention, but not limit the same. Based on the embodiments of the present invention, it should be understood by those skilled in the art that modifications can be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features can be equivalently replaced, and the modifications or the replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention, and all other embodiments obtained without creative efforts belong to the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood as specific cases by those skilled in the art.
Claims (5)
1. An air compression temperature control device based on biological 3D printing equipment is applied to biological 3D printing equipment, the device includes:
the printing structure is arranged in an inner cavity of the insulation can (1), the insulation can (1) is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, the air inlet is arranged on the side wall of the insulation can (1), and the air outlet is arranged on an inner top plate of the insulation can (1);
the air cleaning structure (3) is arranged above the inner top plate of the heat insulation box (1), and an air inlet of the air cleaning structure (3) is communicated with an air outlet of the heat insulation box (1) through the air channel and is used for sucking air in the heat insulation box (1) for filtering; the disinfection and sterilization structure (4) is arranged at the top of the side wall of the heat preservation box (1) and is used for irradiating and killing bacteria and viruses in the air into the heat preservation box (1);
characterized in that the device further comprises:
the air compressor is arranged in the heat insulation box (1) and is used for refrigerating the filtered air;
the air compressor comprises a compressor, a condenser, a throttle valve and an evaporator (2), the compressor, the condenser, the throttle valve and the evaporator (2) are sequentially connected through pipelines, an air inlet of the evaporator (2) is connected with an air outlet of the air cleaning structure (3), the evaporator (2) is arranged on an inner top plate of the heat insulation box (1) and located below the air cleaning structure (3), and an air outlet of the evaporator (2) is communicated with an inner cavity of the heat insulation box (1).
2. The biological 3D printing equipment based air compression temperature control device according to claim 1, characterized in that the air compressor further comprises a refrigerant, and the refrigerant circulates in a pipeline composed of the compressor, the condenser, the throttle valve and the evaporator (2) to exchange heat with the external environment.
3. The biological 3D printing equipment based air compression temperature control device as claimed in claim 1, wherein the air cleaning structure (3) employs FFU fan filter unit.
4. The biological 3D printing equipment based air compression temperature control device according to claim 1, wherein the disinfection and sterilization structure (4) adopts an ultraviolet disinfection lamp, and the ultraviolet disinfection lamp is used for killing bacteria and viruses in the air.
5. The biological 3D printing equipment based air compression temperature control device according to claim 1, wherein a fan is arranged at the air outlet to suck air in the air duct into the heat preservation box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916608.7A CN108973154B (en) | 2018-08-13 | 2018-08-13 | Air compression temperature control device based on biological 3D printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916608.7A CN108973154B (en) | 2018-08-13 | 2018-08-13 | Air compression temperature control device based on biological 3D printing apparatus |
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| Publication Number | Publication Date |
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| CN108973154A CN108973154A (en) | 2018-12-11 |
| CN108973154B true CN108973154B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810916608.7A Active CN108973154B (en) | 2018-08-13 | 2018-08-13 | Air compression temperature control device based on biological 3D printing apparatus |
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| CN110252034B (en) * | 2019-05-10 | 2021-07-06 | 太原理工大学 | Biological 3D prints toilet's fungus degree control and monitoring system |
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| CN105722662A (en) * | 2013-08-01 | 2016-06-29 | 赛多利斯史泰迪生物技术有限责任公司 | Single-use biological 3 dimensional printer |
| CN205800221U (en) * | 2016-07-23 | 2016-12-14 | 张卫霞 | Prepare the medical FDM printer of aseptic 3D model |
| CN106671406A (en) * | 2016-12-27 | 2017-05-17 | 扬州大学 | 3D printing device applicable to pneumatic extruding low-temperature platform control |
| CN106945284A (en) * | 2017-05-23 | 2017-07-14 | 福建省速卖通电子商务有限公司 | A kind of 3D printing equipment with air-cleaning function |
| CN107498859A (en) * | 2017-09-14 | 2017-12-22 | 广州迈普再生医学科技有限公司 | A kind of forming room of biological 3D printer and biological 3D printer |
| CN206983296U (en) * | 2017-03-17 | 2018-02-09 | 安徽机电职业技术学院 | A kind of 3D printer with treatment facilities |
-
2018
- 2018-08-13 CN CN201810916608.7A patent/CN108973154B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722662A (en) * | 2013-08-01 | 2016-06-29 | 赛多利斯史泰迪生物技术有限责任公司 | Single-use biological 3 dimensional printer |
| CN205800221U (en) * | 2016-07-23 | 2016-12-14 | 张卫霞 | Prepare the medical FDM printer of aseptic 3D model |
| CN106671406A (en) * | 2016-12-27 | 2017-05-17 | 扬州大学 | 3D printing device applicable to pneumatic extruding low-temperature platform control |
| CN206983296U (en) * | 2017-03-17 | 2018-02-09 | 安徽机电职业技术学院 | A kind of 3D printer with treatment facilities |
| CN106945284A (en) * | 2017-05-23 | 2017-07-14 | 福建省速卖通电子商务有限公司 | A kind of 3D printing equipment with air-cleaning function |
| CN107498859A (en) * | 2017-09-14 | 2017-12-22 | 广州迈普再生医学科技有限公司 | A kind of forming room of biological 3D printer and biological 3D printer |
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