CN212349125U

CN212349125U - Biological safety centrifuge

Info

Publication number: CN212349125U
Application number: CN202020360922.4U
Authority: CN
Inventors: 王建辉
Original assignee: Hunan Michael Experimental Apparatus Co ltd
Current assignee: Hunan Michael Experimental Apparatus Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-01-15
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a biological safety centrifuge, include: the door control switch is closed when the cover is closed, the door control switch is opened when the cover is opened, and the door control switch is opened and arranged in a circuit of the ultraviolet sterilizing lamp; still be provided with centrifugal cavity and aerosol filter cartridge in the casing, the rotor sets up the centrifugal cavity is intracavity, aerosol filter cartridge with air exit intercommunication on the centrifugal cavity. The automatic sterilization and disinfection of the rotor and the centrifugal cavity can be realized, and the pollution-free air discharged to a laboratory in the centrifugal process can be ensured, so that the health of laboratory workers is ensured.

Description

Biological safety centrifuge

Technical Field

The utility model discloses a biological safety centrifuge.

Background

At present, centrifuge is used in laboratory generally includes casing, rotor, centrifugal chamber and motor, and the pivot and the rotor of motor are connected in the centrifugal chamber, and in the use, place the sample of treating centrifugation on the rotor, take place to rotate the centrifugation that realizes the sample under the drive of motor.

If the sample placed in the rotor is a blood specimen or a biological sample, a large amount of aerosol can be generated in the high-speed centrifugation process of the centrifuge, the aerosol can be merged into the air in the centrifugal cavity and discharged to a laboratory along with the air, and the aerosol possibly contains a large amount of pathogenic bacteria and viruses and is discharged to the laboratory to cause air pollution. Meanwhile, in the long-term use process of the centrifuge, some sample residues can be left in the centrifuge cavity and on the rotor, so that the centrifuge cavity and the rotor are in a polluted state and are often required to be manually sterilized. The manual disinfection not only increases the labor cost, but also has great danger to the health of workers if the operation is not proper in the manual disinfection process.

SUMMERY OF THE UTILITY MODEL

The utility model provides a biological safety centrifuge, include: the motor comprises a shell, a rotor, a motor and a cover, wherein the rotor and the motor are arranged in the shell, a rotating shaft of the motor is connected with the rotor, the cover is arranged at the top end of the shell, an ultraviolet sterilizing lamp is arranged on the inner side of the cover, a door control switch is arranged between the shell and the cover, when the cover is closed, the door control switch is closed, when the cover is opened, the door control switch is opened, and the door control switch is arranged in a circuit of the ultraviolet sterilizing lamp; still be provided with centrifugal cavity and aerosol filter cartridge in the casing, the rotor sets up the centrifugal cavity is intracavity, aerosol filter cartridge with air exit intercommunication on the centrifugal cavity.

Preferably, the ultraviolet germicidal lamps are arranged in a plurality and are uniformly and symmetrically distributed on the machine cover.

Preferably, the number of the ultraviolet sterilizing lamps is two.

Preferably, a plurality of the ultraviolet germicidal lamps are arranged along the circumference.

Preferably, the ultraviolet germicidal lamp is embedded in the machine cover.

Preferably, the aerosol filter cartridges are provided in plurality and evenly distributed within the centrifuge.

Preferably, the aerosol filter cartridges are arranged in two and symmetrically distributed at the front part and the rear part of the centrifuge.

Preferably, an HEAP filter screen, an activated carbon filter screen and a glass fiber filter screen are sequentially arranged in the aerosol filter box.

Preferably, the air outlet is arranged at the lower part of the centrifugal cavity.

Preferably, a plurality of sample tube insertion holes are formed in the rotor, and telescopic clamping parts are arranged in the sample tube insertion holes.

Drawings

FIG. 1 is a schematic structural view of a biosafety centrifuge according to the present invention;

fig. 2 is a schematic structural view of the rotor of the present invention;

FIG. 3 is a top view of the retractable clamping portion of the present invention;

fig. 4 is a front view of the retractable clamping portion of the present invention.

In the figure, the meaning of each symbol is as follows:

1 casing, 2 rotors, 3 machine covers, 4 centrifugal chambers, 5 sample tube jacks, 6 connecting rods, 7 telescopic parts, 8 clamping rings, 9 aerosol filter boxes, 10 motors and 11 ultraviolet sterilizing lamps.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

As shown in fig. 1-2, embodiments of the present invention provide a biosafety centrifuge, including: casing 1, rotor 2, motor 10 and cover 3, rotor 2 and motor 10 install in casing 1, and the pivot of motor 10 with rotor 2 is connected, cover 3 lid is established on casing 1 top, cover 3 inboard is provided with sterilamp 11, be provided with gate switch (not shown in the figure) between casing 1 and the cover 3, when cover 3 closes, the gate switch is closed, when cover 3 opens, the gate switch is opened, the gate switch sets up in the circuit of sterilamp 11; still be provided with centrifugal chamber 4 and aerosol filter cartridge 9 in the casing 1, rotor 2 sets up in the centrifugal chamber 4, aerosol filter cartridge 9 with the air exit intercommunication on the centrifugal chamber 4.

The working process of the centrifuge with the structure is as follows: after the centrifugal machine power supply is communicated, a sample is placed into the rotor, the cover is closed, the gate control switch is closed, the ultraviolet sterilizing lamp is automatically turned on, and the rotor and residues on the centrifugal cavity are sterilized and disinfected. And starting the centrifugal machine, and driving the rotor to rotate by the motor to realize the centrifugation of the sample. And the ultraviolet sterilizing lamp is utilized to realize the sterilization and disinfection of the residues on the rotor and the centrifugal cavity while the centrifugation of the sample is realized, and the manual irregular disinfection mode is adopted to sterilize and disinfect the residues on the rotor and the centrifugal cavity after the centrifuge is stopped. Therefore, adopt the embodiment of the utility model provides a centrifuge has saved the cost of labor promptly, has ensured again that staff's is healthy, does not have any risk of being polluted by the residue. In addition, the centrifugal machine generates a large amount of aerosol through high-speed centrifugation, and the aerosol is dissolved into the air in the centrifugal cavity; meanwhile, the air friction in the rotor and the centrifugal cavity generates heat, in order to reduce the heat, normal temperature air is introduced into the centrifugal cavity, the normal temperature air is mixed with the air fused with the aerosol to become hot air fused with the aerosol, the hot air is discharged from the air outlet of the centrifugal cavity and enters an aerosol filter box communicated with the air outlet of the centrifugal cavity, and the aerosol filter box adsorbs pathogenic bacteria, viruses and the like in the air and discharges clean air to a laboratory. Therefore, through setting up the aerosol filter cartridge, to the aerosol absorption in the centrifugal cavity, obtain air-purifying to discharge the air that purifies to the laboratory, avoid the outside air to receive the pollution, protected laboratory personnel's safety.

Therefore, adopt the utility model provides a centrifuge both can realize the disinfection of disinfecting to the automation of rotor and centrifugal chamber, can also guarantee that the air of discharging in the laboratory in centrifugal process is pollution-free to it is healthy to have guaranteed that laboratory staff.

In one embodiment of the present invention, the ultraviolet germicidal lamp 11 is disposed in a plurality and is symmetrically distributed on the cover 3.

Through setting up a plurality of ultraviolet germicidal lamps, can be so that centrifuge's bactericidal ability reinforcing.

The number of the specific ultraviolet sterilizing lamps can be set according to the amount of the specific sample residues.

A plurality of uv germicidal lamps may be connected in series to enhance the sterilizing power.

A plurality of ultraviolet germicidal lamps also can be connected in parallel to ensure that when one ultraviolet germicidal lamp breaks down, other ultraviolet germicidal lamps can also be normally used, and the sterilization and disinfection functions of the centrifuge are ensured.

In the embodiment of the utility model provides an in, the preferential mode that adopts sterilamp parallel connection.

In this embodiment, two ultraviolet germicidal lamps 11 are provided.

Two ultraviolet sterilizing lamps are arranged, and the sterilization and disinfection of residual samples in most centrifuge rotors and centrifugal cavities can be met.

In a preferred embodiment of the present invention, a plurality of the ultraviolet germicidal lamps 11 are circumferentially arranged.

By adopting the arrangement mode, the uniform disinfection without dead angles in all directions can be realized.

In this embodiment, the ultraviolet germicidal lamp 11 is embedded in the cover 3.

The ultraviolet sterilizing lamp is installed on the cover in an embedded mode, so that space can be saved on the upper portion of the centrifuge with limited space, and the phenomenon that the ultraviolet sterilizing lamp is arranged to influence the placement, the taking-out and other operations of a sample is avoided.

In this embodiment, the aerosol filter cartridges 9 are provided in a plurality and uniformly distributed in the centrifuge.

Through setting up a plurality of aerosol filter cartridges, can improve the adsorption efficiency to the aerosol, through evenly setting up the aerosol filter cartridge, can guarantee that the aerosol is absorptive thoroughly, do not have any residue, guarantee not to contain any pathogenic thalli and virus in the air of discharging in the laboratory.

In a preferred embodiment of the present invention, the aerosol filter cartridges 9 are provided in two and symmetrically distributed at the front and rear of the centrifuge.

By adopting the structure, the adsorption requirement of aerosol in the centrifugal machine under most conditions can be met in a centrifugal cavity with limited space.

In this embodiment, the aerosol filter cartridge 9 is internally provided with an HEAP filter screen, an activated carbon filter screen and a glass fiber filter screen in sequence.

In the structure, through the multi-layer filtering adsorption of various materials, the aerosol of various bacteria and viruses entering the aerosol filter box can be completely adsorbed.

In a preferred embodiment of the present invention, the air outlet is disposed at the lower part of the centrifugal chamber 4.

Normal temperature air enters from the cover and is discharged from the air outlet at the lower part of the centrifugal cavity, so that the normal temperature air can pass through the whole centrifugal cavity, and the utilization efficiency of the normal temperature air is improved.

In this embodiment, the rotor 2 is provided with a plurality of sample tube insertion holes 5, and the sample tube insertion holes 5 are internally provided with a retractable clamping part.

In use, a sample may be placed in the sample tube, which is then placed in the sample tube receptacle. In order to adapt to sample tubes with different sizes and meet different use requirements, in the embodiment, the telescopic clamping part is arranged in the sample tube insertion hole, and when the sample tubes are placed in the sample tube insertion hole, the large-size sample tubes are extruded to clamp the clamping part, so that the clamping part can contract and move towards the hole wall, and the sample tubes are placed in the sample tube insertion hole. For sample tubes with different sizes, the extrusion degrees of the clamping parts are different, so that the distance of the clamping parts shrinking and moving to the hole wall is different, and the placing requirements of the sample tubes with different sizes are met. Moreover, the clamping part can clamp the sample tube by extruding the clamping part, so that the sample tube can be more firmly placed in the sample tube jack.

As shown in fig. 3-4, the retractable clamping portion includes a connecting rod 6, a telescopic member 7 and a clamping ring 8, one end of the connecting rod 6 is connected to the inner wall of the sample tube insertion hole 5, and the other end of the connecting rod 6 is connected to the clamping ring 8 through the telescopic member 7.

Wherein, the extensible member can stretch out and draw back under the extrusion of sample cell, adds and holds the circle and be used for adding and hold the sample cell, for example wrap up the outer wall of sample cell, and the connecting rod is fixed extensible member and is added the inner wall of holding the circle and fix on the sample cell jack.

In this embodiment, the telescopic member 7 is a spring.

The spring is selected as the telescopic piece, so that the structure is simple and easy to realize.

In a preferred embodiment of the present invention, the retractable holding portions are provided in a plurality of numbers, and are spaced apart from each other along the length extending direction of the sample tube insertion hole 5.

By adopting the structure, materials can be saved and the cost can be reduced under the effect of realizing firm clamping.

As will be appreciated by those skilled in the art, the retractable clamping portion may also be of a unitary construction.

In this embodiment, the clamping ring 8 is surrounded by a plurality of arc-shaped rods arranged at intervals, and each arc-shaped rod is connected with the connecting rod 6 through the telescopic part 7.

As will be appreciated by those skilled in the art, the clamping ring may also be of a unitary construction in a horizontal plane.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A biosafety centrifuge, comprising: the motor comprises a shell, a rotor, a motor and a cover, wherein the rotor and the motor are arranged in the shell, a rotating shaft of the motor is connected with the rotor, the cover is arranged at the top end of the shell, an ultraviolet sterilizing lamp is arranged on the inner side of the cover, a door control switch is arranged between the shell and the cover, when the cover is closed, the door control switch is closed, when the cover is opened, the door control switch is opened, and the door control switch is arranged in a circuit of the ultraviolet sterilizing lamp; still be provided with centrifugal cavity and aerosol filter cartridge in the casing, the rotor sets up the centrifugal cavity is intracavity, aerosol filter cartridge with air exit intercommunication on the centrifugal cavity.

2. The biosafety centrifuge of claim 1, wherein the uv germicidal lamp is disposed in a plurality and is uniformly and symmetrically distributed on the cover.

3. The biosafety centrifuge of claim 2, wherein the uv germicidal lamp is provided in two.

4. The biosafety centrifuge of claim 2, wherein a plurality of said uv germicidal lamps are circumferentially disposed.

5. The biosafety centrifuge of claim 1, wherein said uv germicidal lamp is embedded in said cover.

6. The biosafety centrifuge of claim 1, wherein said aerosol filter cartridges are provided in plurality and evenly distributed within said centrifuge.

7. The biosafety centrifuge of claim 6, wherein the aerosol filter cartridges are arranged in two and are symmetrically distributed at the front and rear of the centrifuge.

8. The biosafety centrifuge of claim 1, wherein a HEAP filter screen, an activated carbon filter screen and a glass fiber filter screen are sequentially arranged in the aerosol filter box.

9. The biosafety centrifuge of claim 1, wherein said air vent is disposed at a lower portion of said centrifuge chamber.

10. The biosafety centrifuge of claim 1, wherein the rotor is provided with a plurality of sample tube insertion holes, and the sample tube insertion holes are internally provided with retractable clamping parts.