CN105652922B - Biometric print machine temperature control system and biometric print machine - Google Patents
Biometric print machine temperature control system and biometric print machine Download PDFInfo
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- CN105652922B CN105652922B CN201511023152.4A CN201511023152A CN105652922B CN 105652922 B CN105652922 B CN 105652922B CN 201511023152 A CN201511023152 A CN 201511023152A CN 105652922 B CN105652922 B CN 105652922B
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- biometric print
- heat
- control system
- temperature control
- containers
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
Abstract
The present invention relates to biometric print machine technical field, in particular to a kind of biometric print machine temperature control system and biometric print machine.Biometric print machine temperature control system provided by the present invention, including runner temperature control system (3), the runner temperature control system (3) is used to control the temperature of the runner between the outlet of biometric print containers (4) of biometric print machine and the nozzle (5) of biometric print machine, so that the temperature of the runner is consistent with temperature required for printed material.Temperature control system of the invention can be realized the temperature control to biometric print material, improve the survival rate of printed material, guarantee the biological function of printed material.
Description
Technical field
The present invention relates to biometric print machine technical field, in particular to a kind of biometric print machine temperature control system and biometric print
Machine.
Background technique
Biological 3D printing refers to the principle and method by 3D printing, by biomaterial (including natural biologic material and conjunction
At biomaterial or cell solution) technology of the printing as the three-dimensional structure of design.Due to the printed material of biological 3D printing
For biomaterial, compared with common 3D printing technique, a feature of biometric print machine is that it needs to mention for printed material
For being suitable for its existence, growth and condition with good biological function, and temperature is the important Con trolling index of one of them.
Currently, biometric print machine is typically provided with temperature control system, which is used to carry out biometric print containers
Temperature control, generally includes heat-exchanging part and radiator, and wherein heat-exchanging part is used to beat by heat conducting sleeve and biology
It prints containers and carries out heat exchange, radiator is then for realizing the heat exchange between heat-exchanging part and environment.However, existing
Biometric print machine temperature control system there is the problem of following several respects：
(1) for existing biometric print machine temperature control system, biomaterial is easy to appear clogging.One of reason is
Biometric print machine temperature control system is merely able to carry out temperature control to biometric print containers, and can not be to nozzle segment and stream
Road part carries out temperature control, simultaneously because biomaterial all has certain viscosity, therefore, printed material is easy to cannot get in temperature
It being blocked in the nozzle and runner section effectively controlled, this phenomenon is further obvious with the increase of printed material viscosity,
To influence the printing effect of entire biometric print machine, especially when it is non-planar for printing plane, in order to better conform to print
Demand and use longer nozzle when, problem becomes apparent from.In addition, existing biometric print machine temperature control system is difficult to be suitable for flowing spy
The printed material that property changes with temperature change, leading to existing biometric print machine, there are larger in the selection of printed material
Limitation.
(2) existing biometric print machine temperature control system is difficult to realize the uniform temperature control to biometric print container.In existing skill
In art, due to space limitation etc., heat-exchanging part can not comprehensively cover heat conducting sleeve, and hot friendship is easy to appear on heat conducting sleeve
The blind area that component does not cover is changed, such structure, which is be easy to cause, heats unevenness to biometric print containers, leads to biological material
Expect the problems such as uneven heating is even, the risk of the decline of biomaterial survival rate, biological function decline etc. is caused to increase；And if heat is handed over
It changes component to be all covered on heat conducting sleeve, then the radiator on heat-exchanging part is difficult to be laid out, and can only adhere under normal conditions
In the outside of total, so that structure entirety evagination, being unfavorable for integral arrangement.
Summary of the invention
A technical problem to be solved by this invention is：Existing biometric print machine temperature control system is not beaten from biology
It prints container and carries out temperature control to the biomaterial in the runner between nozzle, cause biomaterial mobility in runner bad and go out
The problem of now blocking, and since temperature of the biomaterial in runner is not under control, so that there is depositing for biomaterial
The risk of lower, the biological function decline of motility rate etc..
In order to solve the above technical problem, the present invention provides a kind of biometric print machine temperature control systems, including runner temperature control system
System, the runner temperature control system are used to control the outlet of the biometric print containers of biometric print machine and the spray of biometric print machine
The temperature of runner between mouth, so that the temperature of the runner is consistent with temperature required for biometric print material.
Further, the biometric print machine temperature control system includes container temperature control system, and the container temperature control system includes
Heat-exchange device, the heat-exchange device is used to carry out heat exchange with biometric print containers, to control biometric print material
The temperature of container is consistent with temperature required for the biometric print material that it is contained, and the biometric print machine temperature control system is also
Including the first soaking plate being arranged between the biometric print containers and the heat-exchange device, first soaking plate
For realizing the uniform heat transmitting between the heat-exchange device and the biometric print containers.
Further, the heat-exchange device includes heat-exchanging part and radiator, and the heat-exchanging part can be right
The biometric print containers are heated and are freezed, first soaking plate setting the biometric print containers with
Between first side of the heat-exchanging part, second side of the heat-exchanging part is connect with the radiator, the heat dissipation
Device is for realizing the heat transmitting between the heat-exchanging part and environment.
Further, the container temperature control system further includes the second soaking plate, and second soaking plate is arranged in the heat
Between second side of replacement part and the radiator, for realizing between the heat-exchanging part and the radiator
Uniform heat transmitting.
Further, the radiator includes cooling fin group and radiator fan, the cooling fin group and the heat exchange
Second side of component connects, and the radiator fan transmits for realizing the heat between the cooling fin group and environment, and described second
Soaking plate is arranged between second side of the heat-exchanging part and the cooling fin group, for realizing the heat-exchanging part with
Uniform heat transmitting between the cooling fin group.
Further, the air outlet of the radiator fan is arranged away from the print platform of the biometric print machine.
Further, the radiator fan is speed-regulating fan, and the container temperature control system further includes exothermic temperature detection control
Device processed, the exothermic temperature detection control apparatus are used to detect the temperature of the cooling fin group and can be according to the cooling fins
The temperature of group and the difference of environment temperature control the revolving speed that the radiator fan was opened and adjusted to the radiator fan whether.
Further, the container temperature control system further includes vessel temp detection control apparatus, the vessel temp detection
Control device is used to detect the temperature of the biometric print containers and feeds back to the heat-exchange device to be formed to described
The closed-loop control of biometric print containers temperature.
Further, the biometric print machine temperature control system further includes nozzle temperature control system, and the nozzle temperature control system is used
In the temperature of the nozzle of control biometric print machine, so that temperature required for the temperature of the nozzle and the biometric print material
It is consistent.
Further, the nozzle temperature control system includes nozzle heat-conducting block, and the nozzle heat-conducting block is arranged in the nozzle
Periphery.
Further, the runner temperature control system includes runner heat-conducting block, and the runner heat-conducting block is arranged in biometric print
The periphery of runner between the outlet and nozzle of containers.
Further, the biometric print machine temperature control system includes two independent container temperature control systems, wherein one
A container temperature control system is used to carry out temperature control, another one to the first containers of the biometric print containers
Container temperature control system is used to carry out temperature control to the second containers of the biometric print containers.
Further, the heat-exchanging part includes semiconductor chilling plate.
The present invention also provides a kind of biometric print machines, including biometric print machine temperature control system above-mentioned.
Further, including biometric print containers, the biometric print containers include the first containers and
One of second containers, the nozzle of the biometric print machine and first containers and second containers go out
Mouth is connected to by the runner, is equipped with runner heat-conducting block in the runner periphery.
Further, nozzle heat-conducting block is equipped on the periphery of the nozzle, the runner is sequentially passed through from the outlet
The runner heat-conducting block and the nozzle heat-conducting block are connected to the nozzle.
Further, it is equipped with thermal insulation layer on the periphery of the runner in the nozzle heat-conducting block, is come from for being isolated
The heat of the nozzle heat-conducting block.
Further, the thermal insulation layer is set between the runner and the nozzle heat-conducting block.
Biometric print machine temperature control system provided by the present invention can be realized by the way that runner temperature control system is arranged to biology
The temperature of printed material container to the runner between nozzle controls, and is easy so as to effectively solve current printed material in runner
The problem of place blocks, effectively improves the printing effect of biometric print machine
In addition, can be realized by the way that soaking plate is arranged between biometric print containers and heat-exchange device to biology
The uniform temperature control of printed material container guarantees the biological function of printed material to improve the survival rate of printed material；And by
It can be realized in heat-exchanging part all need not be covered on biometric print containers to entire biometric print containers
The equal control of temperature, so as to facilitate the layout of radiator to be arranged, so that overall structure beauty more compact.
In addition, the present invention by setting nozzle temperature control system, can be realized the temperature control to nozzle, so as to effective
Solve the problems, such as that current printed material is easy to block at nozzle, especially when it is non-planar for printing plane, in order to more
When adapting to printing demand well and using longer nozzle, effect is become apparent from, and effectively improves the printing effect of biometric print machine.
The present invention provides temperature control system for biological printer, and for controlling the temperature of biometric print machine, temperature control makes biology
The more uniform temperature of printer helps to provide the survival rate and biological function of cell, can to print realization of goal more
It is ideal.
By the way that exemplary embodiment of the present invention is described in detail referring to the drawings, other feature of the invention and
Its advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
The structure being installed on biometric print machine that Fig. 1 shows the biometric print machine temperature control system of one embodiment of the invention is shown
It is intended to.
Fig. 2 shows the main views of embodiment illustrated in fig. 1.
Fig. 3 shows the side view of Fig. 2.
Fig. 4 shows the A-A sectional view of Fig. 3.
In figure：
1, container temperature control system；11, heat conducting sleeve；12, semiconductor cooling device；13, radiator；131, cooling fin group；
132, radiator fan；14, the first soaking plate；15, the second soaking plate；16, the first connection frame；17, the second connection frame；18, first
Temperature sensor；19, second temperature sensor；
2, nozzle temperature control system；21, nozzle heat-conducting block；
3, runner temperature control system；31, runner heat-conducting block；
4, biometric print containers；41, the first containers；42, the second containers；
5, nozzle；6, mounting plate；7, thermal insulation board.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are in no development creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
In the description of the present invention, it is to be understood that, components are limited using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as limiting the scope of the invention.
In order to solve the technical issues of printed material is easy to happen clogging at nozzle and at runner in the prior art,
Fig. 1-4 shows the structural schematic diagram of the biometric print machine temperature control system of one embodiment of the invention, biometric print machine of the invention
Temperature control system includes runner temperature control system 3, and runner temperature control system 3 is then for controlling the outlet and spray of biometric print containers 4
The temperature of runner between mouth 5 keeps the temperature of runner consistent with temperature required for printed material, and runner here should not
It is interpreted as including any runner inside nozzle 5.In this way, biometric print machine temperature control system of the invention can guarantee the temperature of runner
Degree also meets the needs of printed material, so as to guarantee the smoothness of printed material flowing, improves the printing of biometric print machine
Efficiency
Biometric print machine temperature control system of the invention includes container temperature control system 1, and container temperature control system 1 is filled including heat exchange
It sets, heat-exchange device is used to carry out heat exchange with biometric print containers 4, to control the temperature of biometric print containers 4
It is consistent with temperature required for the printed material that it is contained, it further include being arranged in biometric print containers 4 and heat exchange
The first soaking plate 14 between device, the first soaking plate 14 is for realizing between heat-exchange device and biometric print containers 4
Uniform heat transmitting.
Biometric print machine temperature control system provided by the present invention, by biometric print containers 4 and heat-exchange device
Between the first soaking plate 14 is set, can be realized the uniform temperature control to biometric print containers 4, to improve printed material
Survival rate guarantees the biological function of printed material, can also prevent printed material from occurring at biometric print containers 4 stifled
Plug improves the functional reliability of biometric print machine.
As a kind of embodiment of heat-exchange device, heat-exchange device may include heat-exchanging part and radiator
13, wherein heat-exchanging part can be heated and be freezed to biometric print containers 4, and radiator 13 is for realizing warm
Heat transmitting between replacement part and environment, in this way required for the temperature of biometric print containers 4 is higher than printed material
When temperature, heat-exchanging part can absorb heat from biometric print containers 4, and biometric print containers 4 are cooled to and are beaten
Print temperature required for material；And when the temperature of biometric print containers 4 is lower than temperature required for printed material, heat is handed over
Heat can be transmitted to biometric print containers 4 by changing component, and biometric print containers 4 are heated to required for printed material
Temperature.As it can be seen that the heat-exchange device of the embodiment is more flexible to 4 temperature control mode of biometric print containers,
Can biometric print containers 4 be heated or be freezed according to the actual situation, control precision is higher, and can satisfy difference
The temperature requirements of printed material.
In order to further realize heat transmitting more uniform between heat-exchanging part and radiator 13, can also be handed in heat
It changes between second side of component and radiator 13 and second soaking plate 15 is set, be based on second soaking plate 15, the heat in environment
Amount can reduce heat exchange department by carrying out more uniform underground heat transmitting between radiator 13 and second side of heat-exchanging part
Temperature difference between part two sides further improves the heat transfer effect of heat-exchanging part.
Such structure also helps integral arrangement, it is generally the case that if radiator 13 is all covered in heat
On replacement part, the radiator fan of radiator 13 can then be attached to the outside of total, and make structure entirety evagination；This
Embodiment can be reduced on heat-exchanging part by the way that the second soaking plate 15 is arranged between radiator 13 and heat-exchanging part
Heat exchange blind area, and assembly space is provided for radiator fan, to avoid overall structure evagination.
In addition, being asked to further solve the technology that printed material is easy to happen clogging at nozzle in the prior art
Topic, biometric print machine temperature control system of the invention can also include nozzle temperature control system 2, and wherein nozzle temperature control system 2 is for controlling
The temperature of the nozzle 5 of biometric print machine processed, keeps the temperature of nozzle 5 consistent with temperature required for printed material.
In this way, biometric print machine temperature control system of the invention, not only ensure that the temperature at runner meets printed material
Demand, it is ensured that the temperature at the nozzle 5 and biometric print containers 4 meets the needs of printed material, so as to
The smoothness for enough guaranteeing printed material flowing, improves the printing effect of biometric print machine, and since printed material is entirely printing
It is among suitable temperature environment in the process, therefore can also ensure that printed material always and have and is good biological
Can, to improve the performance of biometric print product.
Biometric print machine temperature control system of the invention is further said below with reference to Fig. 1-4 the embodiment described
It is bright.In this embodiment, biometric print machine applied by biometric print machine temperature control system, biometric print containers 4 include
First containers 41 and the second containers 42, the first containers 41 and the second containers 42 are connected by thermal insulation board 7
In on the mounting plate 6 of biometric print machine, the nozzle 5 of biometric print machine is connected to the exit of the first containers 4, and the second material
The outlet of material container 42 then passes through auxiliary material runner 421 and is connected to nozzle 5.First containers 41 can be used as containing main material
The main material container of (also known as biological prepared Chinese ink), the second containers 42 can be used as the auxiliary material for containing auxiliary material (such as hydrogel)
Container, such as auxiliary material can be used for forming package to main material, to avoid raw main material by the destruction of mechanical force in print procedure
And it damages.Certain main material and auxiliary material can also be combined otherwise, such as mixing etc..
As shown in Figs 1-4, in this embodiment, biometric print machine temperature control system includes two independent container temperature control systems
1, a set of nozzle temperature control system 2 and a set of runner temperature control system 3, wherein a container temperature control system 1 is used to hold the first material
Device 41 carries out temperature control, another container temperature control system 1 is then for carrying out temperature control, nozzle temperature to the second containers 42
Control system 2 is used to carry out nozzle 5 temperature control, and runner temperature control system 3 is then for carrying out temperature control to auxiliary material runner 421
System.Temperature is carried out to the first containers 41 and the second containers 42 respectively by the way that two independent container temperature control systems are arranged
Control, the main material and auxiliary material that can satisfy different characteristics are to the different demands of temperature.
Since in this embodiment, the structure of two sleeve containes temperature control systems 1 is essentially identical, therefore, next only with wherein
It is located at for the container temperature control system 1 at the second containers 42 and container temperature control system 1 is illustrated.
As shown in Figure 2 and Figure 4, in this embodiment, container temperature control system 1 includes heat conducting sleeve 11, is used as heat-exchange device
Semiconductor refrigeration system, the first soaking plate 14 and the second soaking plate 15.Wherein, semiconductor refrigeration system includes semiconductor system
Device for cooling 12 and radiator 13, heat conducting sleeve 11 are set in the periphery of the second containers 42, and the of semiconductor cooling device 12
Side connect by the first soaking plate 14 with heat conducting sleeve 14, second side of semiconductor cooling device 12 pass through the second soaking plate 15 and
Radiator 13 connects.
Semiconductor refrigeration system not only may be used as heat source, but also may be used as cold source.It is theoretical according to semiconductor refrigerating, partly leading
The semiconductor chilling plate two sides of system cooling system, which apply a DC voltage, will generate a DC current, this can make semiconductor
The fever of cooling piece side and other side refrigeration.The side that the side of fever is usually known as " hot face ", and is freezed is known as " huyashi-chuuka (cold chinese-style noodles) ".
Semiconductor chilling plate has control terminal, after sending instruction to control terminal, can exchange the polarity of voltage of semiconductor chilling plate two sides,
Make reverse direction current flow, to realize the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate and the mutual conversion in hot face, namely can be realized semiconductor
The mutual conversion of refrigeration system refrigeration and heat-production functions can also realize accurate temperature in addition to cold and hot surface exchanges according to demand
It controls (0.01 degree of precision).As it can be seen that can be convenient effectively using semiconductor refrigeration system as heat-exchange device of the invention
The heating or refrigeration to the second containers 42 are realized, to meet the different temperatures demand of various biometric print materials.
In this embodiment, vessel temp detection control apparatus can be set in container temperature control system 1, and pass through the container
Temp detecting controller control semiconductor refrigeration system switches between heating work state and refrigeration work state.Such as Fig. 4
Shown, in this embodiment, vessel temp detection control apparatus includes control system (not shown) and is arranged in heat conducting sleeve
The first temperature sensor 18 on 11, first temperature sensor 18 are used to detect the temperature of heat conducting sleeve 11 and are transferred to control system
System, since the temperature of heat conducting sleeve 11 is consistent with the temperature of corresponding second containers 42,18 energy of the first temperature sensor
It enough detects the temperature of the second containers 42 and is transferred to control system, control system is then by comparing the second containers 42
The work shape of the difference control semiconductor refrigeration system of temperature required for temperature and auxiliary material (usually presetting in the controls)
State improves accuracy of temperature control to realize the closed-loop control to 42 temperature of the second containers.When the first temperature sensor 18 detects
To the first containers 41 and the second containers 42 temperature reach temperature required for biomaterial after, can control difference
Corresponding material is added into the first containers 41 and the second containers 42.
First soaking plate 14 of 12 first side of semiconductor cooling device is set, its internal gas-liquid two-phase phase can be passed through
The mode mutually converted realizes uniformly transferring for heat, so that between semiconductor cooling device 12 and the second containers 42
Heat transmitting is more uniform efficiently, and then effectively prevent caused by can not covering comprehensively heat conducting sleeve 11 because of semiconductor cooling device 12
Conduct heat uneven phenomenon, and since semiconductor chilling plate need not be covered on entire heat conducting sleeve 11 so that structure design and
Space layout is also simpler compact；And the second soaking plate 15 that 12 second side of semiconductor cooling device is arranged in then enables to
Heat transmitting between semiconductor cooling device 12 and environment is more uniform, reduces 12 first side of semiconductor cooling device and second side
The temperature difference, since there are reverse heat transfer process between the huyashi-chuuka (cold chinese-style noodles) and hot face of semiconductor cooling device, and the temperature difference of cold and hot surface is got over
Greatly, this reverse heat transfer process is more obvious, and once positive heat transmits what transmitted heat was transmitted with reverse heat
When heat is equal, the temperature in huyashi-chuuka (cold chinese-style noodles) and hot face is just no longer changed, and the refrigeration or heating for influencing semiconductor cooling device 12 are made
With, therefore, by setting the second soaking plate 15 reduce semiconductor cooling device 12 first side and second side the temperature difference, can weaken
Reverse heat transfer effect gives full play to the refrigeration or heat effect of semiconductor cooling device 12.
Existing semiconductor cooling device 12 usually only includes a block semiconductor cooling piece, in order to make semiconductor cooling device
12 there is higher heat to transmit power, and semiconductor cooling device 12 of the invention may include at least two block semiconductor cooling pieces.
As shown in figure 4, in this embodiment, semiconductor cooling device 12 includes three block semiconductor cooling pieces, the benefit being arranged in this way exists
In can effectively increase the power of heating or refrigeration, improve heat transmitting on the one hand due to increasing the quantity of semiconductor chilling plate
Effect；On the other hand, it can be arranged in parallel between three block semiconductor cooling pieces, its functional reliability can be improved in this way, even if
One of semiconductor chilling plate breaks down, and remaining semiconductor chilling plate still is able to work normally, and guarantees heating or refrigeration
Process is normally carried out.In addition, as shown in Figure 4, it is equipped with certain gap between three block semiconductor cooling pieces of the embodiment,
It can be convenient for the connection and installation of route in this way.
Radiator 13 can use water-cooling heat radiating device, can also use air-cooled radiating device.As in Figure 2-4, exist
In the embodiment, radiator 13 uses air-cooled radiating device comprising cooling fin group 131 and radiator fan 132, wherein dissipates
Backing group 131 is connected on mounting plate 6 by first support 16, and it passes through the second soaking plate 15 and semiconductor cooling device 12
Second side connection, then the lower part of cooling fin group 131, such cooling fin group is arranged in by second support 17 in radiator fan 132
Uniform geothermal transfer can be carried out by the second soaking plate 15 between 131 and second side of semiconductor cooling device 12, and radiated
The heat transmitting between cooling fin group 131 and environment may be implemented in fan 132, so that radiator 13 can be realized semiconductor
Heat transmitting between refrigerating plant and environment.Furthermore, it is possible to which setting extends transversely through cooling fin on the cooling fin of cooling fin group 131
Aperture (not shown), with increasing heat radiation area, improving heat radiation efficiency.
In this embodiment, the air outlet of radiator fan 132 deviates from the print platform of biometric print machine, is in figures 1-4
The air outlet of radiator fan 132 upward, can be avoided in this way radiator fan 132 by the heat of cooling fin group 131 guide to
Print platform, so as to prevent the characteristic to the biomaterial above print platform from having an impact.
Further, for energy saving and realization accurate temperature controller, radiator fan 132 of the invention can be using speed regulation
Whether fan dissipates according to the temperature of cooling fin group 131 and the difference of environment temperature to control radiator fan 132 and open and adjust
The revolving speed of Hot-air fan 132 can make the working condition of radiator fan 132 be consistent with actual needs, avoid energy waste.For
Realize the purpose, container temperature control system 1 of the invention can also include exothermic temperature detection control apparatus, exothermic temperature inspection
Control device is surveyed to be used to detect the temperature of cooling fin group 131 and come according to the difference of the temperature of cooling fin group 131 and environment temperature
The revolving speed of radiator fan 132 is opened and adjusted to control radiator fan 132 whether.In the embodiment as shown in fig.4, heat dissipation temperature
Spending detection control apparatus includes the second temperature sensor 19 and control system being set in cooling fin group 131, the second temperature
Sensor 19 can detecte the temperature of cooling fin group 131 and feed back to control system, and control system is then by the temperature of cooling fin group 131
Degree is compared with environment temperature, controls revolving speed when whether radiator fan 132 works and work according to the difference of the two,
For example, can work in container temperature control system 1, and the temperature difference T of the temperature of cooling fin group 131 and environment temperature is greater than the set value
When T0, start radiator fan 132, and make it with R=(Δ T/30) × R0 rotation speed operation, wherein R0 is fan's rated speed；
And it does not work in container temperature control system 1 or is less than setting value T0 in the temperature of cooling fin group 131 and the temperature difference T of environment temperature
When, then it can control radiator fan 132 and do not start.Control system herein can be with the control of vessel temp detection control apparatus
System is same control system, such as can use the existing control system of biometric print machine to realize corresponding function.
The course of work of the container temperature control system 1 of the embodiment is as follows：
(1) when the temperature of the second containers 42 is lower than temperature required for auxiliary material, semiconductor refrigeration system, which is in, to be added
Warm status, the first side close to the semiconductor cooling device 12 of the second containers 42 are hot face, and close to cooling fin group 131
Second side of semiconductor cooling device 12 is huyashi-chuuka (cold chinese-style noodles).At this point, the first side of semiconductor cooling device 12 passes through the first soaking plate 14
The second containers 42 are transferred heat to heat conducting sleeve 11, the purpose heated to the second containers 42 are realized, by the second material
The temperature of material container 42 is increased to temperature required for auxiliary material；Meanwhile the heat in environment can pass through cooling fin group 131 and
Two soaking plates 15 pass to second side of semiconductor cooling device 12, the temperature of 12 second side of lifting thereof refrigerating plant, from
And the temperature difference between the first side of semiconductor cooling device 12 and second side can be reduced, it can also reduce semiconductor refrigerating dress
The temperature difference between 12 cold and hot surfaces is set, the heating upper limit of semiconductor cooling device 12 is increased.
(2) conversely, when the temperature of the second containers 42 is higher than temperature required for auxiliary material, at semiconductor refrigeration system
In refrigerating state, become huyashi-chuuka (cold chinese-style noodles) close to the first side of the semiconductor cooling device 12 of the second containers 42, and close to heat dissipation dress
The second side for setting 13 semiconductor cooling device 12 then becomes hot face.At this point, the heat of the second containers 42 is led by first
Hot jacket 11 and the first soaking plate 14 pass to semiconductor cooling device 12 the first side namely semiconductor cooling device 12 first
Side absorbs heat from the second containers 42, realizes the purpose to cool down to the second containers 42, makes the second containers 42
Temperature is reduced to temperature required for auxiliary material；Meanwhile heat is passed through the second soaking plate by second side of semiconductor cooling device 12
15 pass to cooling fin group 131, and finally discharge heat into environment under the action of radiator fan 132, reduce semiconductor
The temperature difference of 12 cold and hot surface of refrigerating plant improves the refrigeration effect of semiconductor cooling device 12.
The container temperature control system 1 of the embodiment has the characteristics that small in size, response is fast, control characteristic is good.Due to first
A sleeve containes temperature control system 1, the biometric print machine temperature of the embodiment are respectively equipped at containers 41 and the second containers 42
Control system can control the temperature of main material and auxiliary material respectively, meet the main material temperature requirements different with auxiliary material, make main material and auxiliary material
It is able to maintain more excellent biological property, further, since using the composite structure of semiconductor refrigeration system and soaking plate, heat transfer
Efficiency is higher, and diabatic process is more uniform, and control precision is higher, can achieve 0.01 degree, and heat and refrigeration can two-way choice,
It can adapt to the demand of a variety of biomaterials and different operating environment, so that same biometric print machine has broader printing material
The range of choice of material.
As shown in Figs 1-4, in this embodiment, nozzle temperature control system 2 includes nozzle heat-conducting block 21, runner temperature control system 3
Including runner heat-conducting block 31, wherein nozzle heat-conducting block 21 is arranged below the first containers 41, and is located at the periphery of nozzle 5,
Runner heat-conducting block 31 is arranged below the second containers 42, and is located at the periphery of auxiliary material runner 421, and the of nozzle heat-conducting block 21
Side is connect with the first soaking plate 14 of container temperature control system 1 being located at the first containers 41, and the of nozzle heat-conducting block 21
Two sides are connect with the first side of runner heat-conducting block 31, and second side of runner heat-conducting block 31 is then and at the second containers 42
Container temperature control system 1 the first soaking plate 14 connection, in this way, the semiconductor cooling device 12 of 41 side of the first containers can
To carry out heat exchange by the first soaking plate 14 and nozzle heat-conducting block 21 and nozzle 5, realizes and the temperature of nozzle 5 is controlled, and the
The semiconductor cooling device 12 of two containers, 42 side can pass through the first soaking plate 14 and runner heat-conducting block 31 and auxiliary material stream
Road 421 carries out heat exchange, realizes and controls the temperature of auxiliary material runner 421.As it can be seen that the embodiment can make nozzle 5 and auxiliary material stream
The temperature in road 421 is adapted with the demand of printed material, printed material, especially high viscosity printed material is avoided, in nozzle 5
It is blocked at auxiliary material runner 421, and is conducive to keep the bioactivity of printed material.
As shown in figure 4, in this embodiment, auxiliary material runner 421 is directly arranged in runner heat-conducting block 31, and auxiliary material is by second
After the outlet of containers 42 comes out, via in the auxiliary material runner flow nozzle 5.Auxiliary material runner 421 is directly arranged at runner to lead
In heat block 31, the flow path of auxiliary material can be adjusted on demand, auxiliary material is guided to the position of needs.
As shown in figure 4, in this embodiment, some auxiliary material runner 421 needs before importing nozzle 5 by nozzle
Heat-conducting block 21, in order to realize the independent accurate temperature control of main material and auxiliary material, four of the auxiliary material runner 421 in nozzle heat-conducting block 21
It is provided with thermal insulation layer (not shown go out) week, which can guarantee the nozzle that the temperature inside auxiliary material runner 21 is flowed through from it
The influence of the temperature of heat-conducting block 21.
The set-up mode of biometric print machine temperature control system of the invention is not limited to mode shown in the embodiment, can
To be carried out being adapted setting according to the specific structure relationship of the biometric print containers 4 of biometric print machine, nozzle 5 and runner,
For example, biometric print machine temperature control system can only include one if biometric print machine only includes a biometric print containers 4
A container temperature control system 1, if biometric print machine is additionally provided with longer main material in being exported between nozzle 5 for the first containers 1
Runner, then runner temperature control system 3 can be used for carrying out temperature control etc. to main material runner, these set-up modes are all of the invention
Within protection scope.
Biometric print machine provided by the present invention, including biometric print containers 4 and biometric print machine temperature of the invention
Control system, the heat conducting sleeve 11 of the container temperature control system 1 of biometric print machine temperature control system are set to the outer of biometric print containers 4
Week.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (17)
1. a kind of biometric print machine temperature control system, which is characterized in that including runner temperature control system (3), the runner temperature control system
(3) for controlling the stream between the outlet of biometric print containers (4) of biometric print machine and the nozzle (5) of biometric print machine
The temperature in road, so that the temperature of the runner is consistent with temperature required for biometric print material；Moreover, the biometric print
Machine temperature control system further includes container temperature control system (1), and the container temperature control system (1) includes heat-exchange device, the heat exchange
Device is used to carry out heat exchange with biometric print containers (4), to control temperature and its institute of biometric print containers (4)
Temperature required for the biometric print material of splendid attire is consistent, and the biometric print machine temperature control system further includes being arranged in the life
The first soaking plate (14) between object printed material container (4) and the heat-exchange device, first soaking plate (14) are used for
Realize the uniform heat transmitting between the heat-exchange device and the biometric print containers (4).
2. biometric print machine temperature control system according to claim 1, which is characterized in that the heat-exchange device includes that heat is handed over
Component (12) and radiator (13) are changed, the heat-exchanging part (12) can carry out the biometric print containers (4)
Heating and refrigeration, first soaking plate (14) are arranged in the biometric print containers (4) and the heat-exchanging part
(12) between the first side, second side of the heat-exchanging part (12) is connect with the radiator (13), the heat dissipation dress
(13) are set for realizing the heat transmitting between the heat-exchanging part (12) and environment.
3. biometric print machine temperature control system according to claim 2, which is characterized in that the container temperature control system (1) is also
Including the second soaking plate (15), the second soaking plate (15) setting is dissipated in second side of the heat-exchanging part (12) with described
Between thermal (13), for realizing the uniform heat transmitting between the heat-exchanging part (12) and the radiator (13).
4. biometric print machine temperature control system according to claim 3, which is characterized in that the radiator (13) includes dissipating
Backing group (131) and radiator fan (132), the cooling fin group (131) connect with second side of the heat-exchanging part (12),
The radiator fan (132) is for realizing the heat transmitting between the cooling fin group (131) and environment, second soaking plate
(15) it is arranged between second side and the cooling fin group (131) of the heat-exchanging part (12), is handed over for realizing the heat
Change the uniform heat transmitting between component (12) and the cooling fin group (131).
5. biometric print machine temperature control system according to claim 4, which is characterized in that the radiator fan (132) goes out
Air port is arranged away from the print platform of the biometric print machine.
6. biometric print machine temperature control system according to claim 4, which is characterized in that the radiator fan (132) is to adjust
Fast fan, the container temperature control system (1) further includes exothermic temperature detection control apparatus, the exothermic temperature detection control apparatus
For detect the cooling fin group (131) temperature and can be according to the temperature and environment temperature of the cooling fin group (131)
Difference controls the revolving speed that the radiator fan (132) were opened and adjusted to the radiator fan (132) whether.
7. biometric print machine temperature control system according to claim 1, which is characterized in that the container temperature control system (1) is also
Including vessel temp detection control apparatus, the vessel temp detection control apparatus is for detecting the biometric print containers
(4) temperature simultaneously feeds back to the heat-exchange device to form the closed-loop control to biometric print containers (4) temperature.
8. biometric print machine temperature control system according to claim 1, which is characterized in that the biometric print machine temperature control system
It further include nozzle temperature control system (2), the nozzle temperature control system (2) is used to control the temperature of the nozzle (5) of biometric print machine, with
Keep the temperature of the nozzle (5) consistent with temperature required for the biometric print material.
9. biometric print machine temperature control system according to claim 8, which is characterized in that nozzle temperature control system (2) packet
It includes nozzle heat-conducting block (21), periphery of nozzle heat-conducting block (21) setting in the nozzle (5).
10. biometric print machine temperature control system according to claim 1, which is characterized in that the runner temperature control system includes
Runner heat-conducting block (31), the runner heat-conducting block (31) are arranged between the outlet and nozzle (5) of biometric print containers (4)
Runner periphery.
11. biometric print machine temperature control system according to claim 1, which is characterized in that the biometric print machine temperature control system
System includes two independent container temperature control systems (1), and one of container temperature control system (1) is used for the biometric print
The first containers (41) of containers (4) carry out temperature control, and another one container temperature control system (1) is used for described
The second containers (42) of biometric print containers (4) carry out temperature control.
12. biometric print machine temperature control system according to claim 2, which is characterized in that heat-exchanging part (12) packet
Include semiconductor chilling plate.
13. a kind of biometric print machine, which is characterized in that including biometric print machine temperature control system as described in claim 1.
14. biometric print machine according to claim 13, which is characterized in that described including biometric print containers (4)
Biometric print containers (4) include the first containers (41) and the second containers (42), the spray of the biometric print machine
Mouth is connected to the outlet of one of first containers (41) and second containers (42) by the runner, in institute
Runner periphery is stated equipped with runner heat-conducting block.
15. biometric print machine according to claim 14, which is characterized in that led on the periphery of the nozzle equipped with nozzle
Heat block (21), the runner sequentially passes through the runner heat-conducting block and the nozzle heat-conducting block from the outlet and the nozzle connects
It is logical.
16. biometric print machine according to claim 15, which is characterized in that described in the nozzle heat-conducting block (21)
The periphery of runner is equipped with thermal insulation layer, for the heat from the nozzle heat-conducting block (21) to be isolated.
17. biometric print machine according to claim 16, it is characterised in that：The thermal insulation layer is set to the runner and institute
It states between nozzle heat-conducting block.
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| CN201511023152.4A CN105652922B (en) | 2015-12-30 | 2015-12-30 | Biometric print machine temperature control system and biometric print machine |
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| US11220060B2 (en) | 2015-12-30 | 2022-01-11 | Revotek Co., Ltd | Bioprinter temperature control system and bioprinter |
| KR101828345B1 (en) | 2016-10-19 | 2018-03-29 | 주식회사 로킷 | Bio 3d printer |
| CN106891527B (en) * | 2017-02-14 | 2019-05-24 | 中国科学院苏州纳米技术与纳米仿生研究所 | 3D biometric print nozzle component, printing equipment and application for more materials |
| CN107214957B (en) * | 2017-06-23 | 2023-07-18 | 广州迈普再生医学科技股份有限公司 | Composite biological material 3D printing system and printing method |
| CN108327269A (en) * | 2018-01-25 | 2018-07-27 | 广州迈普再生医学科技有限公司 | A kind of semiconductor temperature biology 3D printing nozzle |
| CN109055207B (en) * | 2018-06-01 | 2023-07-18 | 广州迈普再生医学科技股份有限公司 | Printing cavity environment control system and control method of integrated biological 3D printer |
| CN110039787B (en) * | 2019-05-24 | 2024-04-19 | 杭州捷诺飞生物科技股份有限公司 | 3D printer temperature control system and 3D printer |
| CN110901068B (en) * | 2019-11-12 | 2021-08-10 | 深圳职业技术学院 | Coaxial shower nozzle of 3D printer and have its 3D printer |
| CN112891016B (en) * | 2021-01-18 | 2023-03-24 | 华中科技大学鄂州工业技术研究院 | Biological 3D of controllable temperature low temperature prints shower nozzle device |
| CN112895455A (en) * | 2021-03-25 | 2021-06-04 | 赛箔(上海)智能科技有限公司 | Automatic feeding and cleaning device for 3D printer |
| CN113878870A (en) * | 2021-10-09 | 2022-01-04 | 哈尔滨工业大学 | Miniature temperature control device and biological 3D printer of inkjet formula |
| CN114393826B (en) * | 2021-12-16 | 2023-08-08 | 浙江大学滨海产业技术研究院 | Double-temperature-control coaxial flow printing head device and method for biological 3D printer |
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| JP3719835B2 (en) * | 1997-12-16 | 2005-11-24 | 三菱化学株式会社 | Seamless tube manufacturing method |
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| CN2521042Y (en) * | 2002-01-28 | 2002-11-20 | 佛山市科菱数码图像设备有限公司 | Ink path constant temperature apparatus |
| CN202088668U (en) * | 2011-06-13 | 2011-12-28 | 勇士 | Adjustable-temperature ink cartridge of inkjet printer |
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