CN110860380A - Centrifuge for biological scientific research - Google Patents
Centrifuge for biological scientific research Download PDFInfo
- Publication number
- CN110860380A CN110860380A CN201911163180.4A CN201911163180A CN110860380A CN 110860380 A CN110860380 A CN 110860380A CN 201911163180 A CN201911163180 A CN 201911163180A CN 110860380 A CN110860380 A CN 110860380A
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- CN
- China
- Prior art keywords
- centrifuge
- fixedly connected
- motor
- box body
- set forth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
- B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
Abstract
The invention discloses a centrifugal machine for biological scientific research, which belongs to the technical field of biological cell experiments and comprises a box body, the bottom of the box body is provided with a cooling device, the cooling device comprises a semiconductor refrigeration sheet, a cross bar and a ventilation groove, the rear inner wall of the box body is fixedly connected with a guide rail, the guide rail is fixedly connected with a moving mechanism, a moving motor is arranged in the moving mechanism, an output shaft of the moving motor is fixedly connected with an upper rotating disc, a fixing mechanism is fixedly connected on the rear inner wall of the box body, the fixing mechanism is positioned at the lower side of the guide rail, a fixing motor is arranged in the fixing mechanism, the type of the fixing motor is the same as that of the moving motor, fixedly connected with down revolves the carousel on the output shaft of fixed motor, has solved among the prior art problem that the test tube is stable fixed conveniently to take out and place, solves the problem that realizes cooling and control the carousel rotatory simultaneously again.
Description
Technical Field
The invention relates to the technical field of biological cell experiments, in particular to a centrifugal machine for biological scientific research.
Background
The semiconductor refrigerating plate, also called thermoelectric refrigerating plate, is a heat pump. Its advantages are no slide part, limited space, high reliability and no pollution of refrigerant. By using the Peltier effect of the semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, and the aim of refrigeration can be fulfilled. The refrigerating technology which generates negative thermal resistance is characterized by no moving parts and higher reliability.
With the development of medicine, whether for cell preservation research or for medical diagnosis, there is often a need for cryopreservation of cells. In general, cryopreservation requires that cells be cooled to a predetermined temperature and then stored.
The centrifugal machine is a machine for separating solid particles from liquid or components in a mixture of liquid and liquid by using centrifugal force, and is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are not mutually soluble in emulsion, and can also be used for discharging liquid in wet solid.
Centrifuge is used in original biological scientific research, and the inside of centrifuge is placed to the test tube to scientific research personnel, if the test tube does not stably place, can cause centrifugal operation failure, and inconvenient taking out when centrifuge inside is placed to the test tube moreover brings inconvenience for scientific research personnel. Meanwhile, the prior art also has the problems of cooling inside the centrifuge and incapability of accurately controlling the rotating disc.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a centrifuge for biological scientific research, which solves the problems that a test tube is stably fixed and is convenient to take out and place in the prior art, and simultaneously solves the problems of realizing temperature reduction and controlling the rotation of a rotary disc.
The purpose of the invention can be realized by the following technical scheme:
a centrifugal machine for biological scientific research comprises a box body, wherein a box door is arranged on the box body, an observation window is arranged on the box door, a cooling device is arranged at the bottom of the box body and comprises a semiconductor refrigeration sheet, a cross bar and a ventilation groove, the semiconductor refrigeration sheet penetrates through the cross bar, the ventilation groove is arranged at the rear end of the cooling device, a ventilation hole is formed in the upper end of the cooling device, a guide rail is fixedly connected to the rear inner wall of the box body, a moving mechanism is fixedly connected to the guide rail, a moving motor is arranged in the moving mechanism, a top spin turntable is fixedly connected to the output shaft of the moving motor, test tube holes are uniformly formed in the top spin turntable, a fixing mechanism is fixedly connected to the rear inner wall of the box body and is positioned at the lower side of the guide rail, a fixing motor is arranged in the fixing mechanism, the test tube device is characterized in that a lower rotary table is fixedly connected to an output shaft of the fixed motor, a test tube groove is formed in the lower rotary table, and the test tube groove corresponds to the test tube hole in position.
As a preferable scheme of the present invention, the box body is further provided with a control unit, the control unit comprises a main controller, a counting device, a clock circuit and a speaker, a signal input end of the main controller is connected with the counting device and the clock circuit, and a signal output end of the main controller is connected with the speaker, the moving motor and the fixed motor.
In a preferred embodiment of the present invention, the counting device is an optoelectronic switch.
In a preferred embodiment of the present invention, the circumferential diameters of the upper rotating disk and the lower rotating disk are the same.
In a preferred embodiment of the present invention, the material of the observation window is glass.
In a preferred embodiment of the present invention, a sealing rubber is provided at a position where the box body contacts the box door.
As a preferable mode of the present invention, the box body is made of a heat insulating material.
As a preferable mode of the present invention, a heating device is provided on an upper inner wall of the box body.
As a preferable aspect of the present invention, the heating device is a heating lamp tube.
The invention has the beneficial effects that:
1. the test tube fixing device has the advantages that the position between the upper rotating disc and the lower rotating disc is movably adjusted through the moving mechanism, the upper rotating disc and the lower rotating disc are arranged for fixing the test tube, and meanwhile, scientific research personnel can conveniently take out and place the test tube.
2. The semiconductor refrigerating sheet is a refrigerating technology generating negative thermal resistance, and is characterized by no moving part, higher reliability and convenient movement and carrying. Semiconductor refrigeration piece during operation, the part that semiconductor refrigeration piece is located the heat sink absorbs the heat, and the part that semiconductor refrigeration piece is located the outer well ventilation groove of box emits the heat, takes away the heat in the box, realizes the purpose of lowering the temperature.
3. The invention solves the problem of controlling the rotation of the rotary disc by arranging the control unit. When the number of rotating turns of the upper rotating disc detected by the counting device reaches a set value, the main controller controls the rotating speed of the movable motor and the fixed motor to be reduced until the rotating speed is stopped; the clock circuit sets a timer, and sets the working time of the movable motor and the fixed motor, wherein the working time is used as the centrifugal rotation time of the upper rotating disc and the lower rotating disc, and the working time is determined according to the specific centrifugal time requirement.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a schematic structural view of a cooling device according to the present invention;
FIG. 5 is a schematic diagram of the mechanism of the upper rotary table and the lower rotary table in the present invention;
FIG. 6 is a schematic view of the moving mechanism and the fixing mechanism according to the present invention;
fig. 7 is a schematic block diagram of a control unit in the present invention.
The reference numbers in the figures illustrate: 1 box body, 2 box doors, 3 observation windows, 4 temperature reducing devices, 5 guide rails, 6 moving mechanisms, 7 upper rotating disc, 8 lower rotating disc, 9 fixing mechanisms, 10 ventilating slots, 11 semiconductor refrigerating sheets, 12 ventilating holes, 13 cross bars, 14 test tube holes, 15 test tube slots, 16 control units, 17 main controller, 18 counting device, 19 clock circuit, 20 loudspeaker, 21 moving motor and 22 fixing motor
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.
As shown in fig. 1 to 3, a centrifuge for biological research comprises a box body 1, a box door 2 is arranged on the box body 1, an observation window 3 is arranged on the box door 2, a cooling device 4 is arranged at the bottom of the box body 1, as shown in fig. 4, the cooling device 4 comprises a semiconductor refrigeration sheet 11, a cross bar 13 and a ventilation groove 10, the semiconductor refrigeration sheet 11 penetrates through the cross bar 13, the ventilation groove 10 is arranged at the rear end of the cooling device 4, a ventilation hole 12 is arranged at the upper end of the cooling device 4, a guide rail 5 is fixedly connected to the rear inner wall of the box body 1, as shown in fig. 6 and 6, a moving mechanism 6 is fixedly connected to the guide rail 5, a moving motor 21 is arranged in the moving mechanism 6, an upper rotating disc 7 is fixedly connected to an output shaft of the moving motor 21, a test tube hole 14 is uniformly arranged on the upper rotating disc 7, a fixing mechanism 9 is fixedly connected, the fixing mechanism 9 is internally provided with a fixed motor 22, the fixed motor 22 and the movable motor 21 have the same model and the same rotating speed, and the rotating angles at the same moment are the same, so that the upper rotating disk 7 and the lower rotating disk 8 can synchronously rotate, the lower rotating disk 8 is fixedly connected to the output shaft of the fixed motor 22, the lower rotating disk 8 is provided with a test tube groove 15, and the positions of the test tube groove 15 and the test tube hole 14 are corresponding. This scheme has solved among the prior art test tube stable fixation and has conveniently taken out the problem of placing, solves the problem of realizing the cooling again simultaneously.
A stepping motor is arranged in the moving mechanism 6 and controls the moving mechanism 6 to move on the guide rail 5. Move the position between adjustment top spin carousel 7 and the lower carousel 8 through moving mechanism 6, set up top spin carousel 7 and lower carousel 8 and be used for fixed test tube, make things convenient for scientific research personnel to take out and place the test tube simultaneously again.
The semiconductor refrigeration piece 11, also called thermoelectric refrigeration piece, it has no sliding part, can be applied to some space and limited, the reliability is required to be high, the occasion without refrigerant pollution, utilize the Peltier effect of the semiconductor material, when the direct current passes the semiconductor refrigeration piece 11, can absorb the heat and emit the heat at both ends of the semiconductor refrigeration piece 11 separately, realize the refrigerated purpose, the semiconductor refrigeration piece 11 is a refrigeration technology producing negative thermal resistance, its characteristic is without moving part, the reliability is also higher, and it is convenient to move and carry. When the semiconductor refrigerating piece 11 works, the part of the semiconductor refrigerating piece 11, which is positioned in the cooling device 4, absorbs heat, and the part of the semiconductor refrigerating piece 11, which is positioned in the ventilation groove 10 outside the box body 1, emits heat to take away the heat in the box body 1, so that the purpose of reducing the temperature is realized.
As shown in fig. 7, the box 1 is further provided with a control unit 16, the control unit 16 comprises a main controller 17, a counting device 18, a clock circuit 19 and a loudspeaker 20, the signal input end of the main controller 17 is connected with the counting device 18 and the clock circuit 19, and the signal output end of the main controller 17 is connected with the loudspeaker 20, a moving motor 21 and a fixed motor 22. The counting means 18 is a photoelectric switch. The scheme solves the problem of controlling the rotation of the rotary disc. When the number of the rotating turns of the upper rotating disc 7 detected by the counting device 18 reaches a set value, the main controller controls the moving motor 21 and the fixed motor 22 to rotate and decelerate until the rotation and deceleration are stopped; the clock circuit sets a timer, and sets the time for which the moving motor 21 and the fixed motor 22 operate as the time for which the upper and lower spin disks 7 and 8 spin centrifugally rotate, depending on the specific centrifugal time requirement.
The circumference diameters of the upper rotary table 7 and the lower rotary table 8 are the same. The observation window 3 is made of glass, so that scientific research personnel can observe the conditions in the box conveniently. Sealing rubber is arranged at the contact position of the box body 1 and the box door 2. The box body 1 is made of heat-insulating materials. The heat loss is reduced, and the heat preservation of the box body 1 is convenient. The upper inner wall of the box body 1 is provided with a heating device which is a heating lamp tube to realize the heating function.
When the test tube box is used, the box door 2 is opened, a test tube is placed on the test tube groove 15 of the lower rotating disc 8, the moving mechanism 6 moves downwards to a proper position, the upper half part of the test tube is positioned in the test tube hole 14 of the upper rotating disc 7, the box door 2 is closed, and the number of rotating circles or rotating time of the rotating disc is set. The semiconductor refrigeration piece 11 works, the part of the semiconductor refrigeration piece 11, which is positioned in the cooling device 4, absorbs heat, the part of the semiconductor refrigeration piece, which is positioned in the middle ventilation slot 10 outside the box body 1, emits heat, and the temperature is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a centrifuge for biological scientific research, includes box (1), its characterized in that: the refrigerator is characterized in that a refrigerator door (2) is arranged on the refrigerator body (1), an observation window (3) is arranged on the refrigerator door (2), a cooling device (4) is arranged at the bottom of the refrigerator body (1), the cooling device (4) comprises a semiconductor refrigeration sheet (11), a cross bar (13) and a ventilation groove (10), the semiconductor refrigeration sheet (11) penetrates through the cross bar (13), the ventilation groove (10) is arranged at the rear end of the cooling device (4), a ventilation hole (12) is formed in the upper end of the cooling device (4), a guide rail (5) is fixedly connected to the rear inner wall of the refrigerator body (1), a moving mechanism (6) is fixedly connected to the guide rail (5), a moving motor (21) is arranged in the moving mechanism (6), an upper rotating disc (7) is fixedly connected to an output shaft of the moving motor (21), and an even test tube hole (14) is formed in the upper, fixedly connected with fixed establishment (9) on the back inner wall of box (1), and fixed establishment (9) are located the downside of guide rail (5), fixed establishment (9) embeds there is fixed motor (22), fixed motor (22) are the same with moving motor (21) model, fixedly connected with down revolves carousel (8) on the output shaft of fixed motor (22), under revolve on carousel (8) seted up test tube groove (15), and test tube groove (15) and test tube hole (14) position are corresponding.
2. The centrifuge for biological research as set forth in claim 1, wherein: the box body (1) is further provided with a control unit (16), the control unit (16) comprises a main controller (17), a counting device (18), a clock circuit (19) and a loudspeaker (20), a signal input end of the main controller (17) is connected with the counting device (18) and the clock circuit (19), and a signal output end of the main controller (17) is connected with the loudspeaker (20), a moving motor (21) and a fixed motor (22).
3. The centrifuge for biological research as set forth in claim 2, wherein: the counting device (18) is a photoelectric switch.
4. The centrifuge for biological research as set forth in claim 1, wherein: the circumference diameters of the upper rotary table (7) and the lower rotary table (8) are the same.
5. The centrifuge for biological research as set forth in claim 1, wherein: the material of the observation window 3 is glass.
6. The centrifuge for biological research as set forth in claim 1, wherein: and sealing rubber is arranged at the contact position of the box body (1) and the box door (2).
7. The centrifuge for biological research as set forth in claim 1, wherein: the box body (1) is made of heat-insulating materials.
8. The centrifuge for biological research as set forth in claim 1, wherein: and a heating device is arranged on the upper inner wall of the box body (1).
9. The centrifuge for biological research as set forth in claim 8, wherein: the heating device is a heating lamp tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163180.4A CN110860380A (en) | 2019-11-25 | 2019-11-25 | Centrifuge for biological scientific research |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163180.4A CN110860380A (en) | 2019-11-25 | 2019-11-25 | Centrifuge for biological scientific research |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110860380A true CN110860380A (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911163180.4A Pending CN110860380A (en) | 2019-11-25 | 2019-11-25 | Centrifuge for biological scientific research |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110860380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973976A (en) * | 2021-02-24 | 2021-06-18 | 安徽中科中佳科学仪器有限公司 | But low-speed refrigerated centrifuge of large capacity of autosegregation holding cabin |
| CN113049758A (en) * | 2021-04-07 | 2021-06-29 | 浙江衡谱医药有限公司 | Detection device is used in drug intermediate research and development with contrast function |
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| CN109030139A (en) * | 2018-06-29 | 2018-12-18 | 昆明金域医学检验所有限公司 | Device is melted in a kind of electrochemiluminescent immunoassay Quality Control again |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112973976A (en) * | 2021-02-24 | 2021-06-18 | 安徽中科中佳科学仪器有限公司 | But low-speed refrigerated centrifuge of large capacity of autosegregation holding cabin |
| CN113049758A (en) * | 2021-04-07 | 2021-06-29 | 浙江衡谱医药有限公司 | Detection device is used in drug intermediate research and development with contrast function |
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Application publication date: 20200306 |