CN215389379U - Heating device for be used for liquid transfer appearance - Google Patents
Heating device for be used for liquid transfer appearance Download PDFInfo
- Publication number
- CN215389379U CN215389379U CN202121669936.5U CN202121669936U CN215389379U CN 215389379 U CN215389379 U CN 215389379U CN 202121669936 U CN202121669936 U CN 202121669936U CN 215389379 U CN215389379 U CN 215389379U
- Authority
- CN
- China
- Prior art keywords
- heating
- lifting frame
- block
- heating device
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model provides a heating device for a pipetting instrument, which comprises: the fixing frame is connected with guide rails which are vertically distributed on one side of the fixing frame; the lifting frame is connected with the guide rail in a sliding manner; the heating block is arranged on the lifting frame; the heat conducting block is arranged on the heating block and is provided with an accommodating groove for accommodating a standard liquid container; the liquid heating device comprises a lifting frame, a heating block, a motor, a liquid guide rail and a liquid guide rail, wherein the motor is further arranged on the fixing frame, the output end of the motor is in transmission connection with the lifting frame, the heating block can heat and transfer heat to the heat conducting block, so that solution in a standard liquid container is heated, and the lifting frame can be driven by the motor to move along the guide rail so as to move heated liquid in the standard liquid container to a preset height.
Description
Technical Field
The utility model relates to the technical field of automatic liquid treatment equipment, in particular to a heating device for a pipetting instrument.
Background
The full-automatic liquid treatment workstation is a biological medicine laboratory automatic operation platform which skillfully integrates automatic operation and liquid treatment, and can realize the operations of automatic sample adding, reagent distribution, ultra-micro liquid transfer, vibration, incubation and the like related to liquid treatment of a sample. Can be widely applied to the fields of nucleic acid purification, gene protein sequencing, clone rapid screening, cell culture, biochip sample preparation and the like. The liquid transfer mechanism is one of the core mechanisms of the full-automatic liquid treatment workstation and is used for realizing the actions of conveying, extracting, transferring and the like of liquid among standard liquid containers.
In the use of modern fully automated liquid handling workstations, the most common standard liquid containers are standard liquid containers such as 8-well plates, 96-well plates, and the like. Wherein, the spacing between adjacent holes of standard liquid containers such as 96-hole plates and the like commonly used in laboratories is 9mm at least, the volume is about 0.5ml, and 8 holes are distributed in a single row. Automatic liquid handling stations require heating of the solution in standard liquid containers to a predetermined temperature. However, the liquid suction instrument in the prior art has a poor heating effect on the standard liquid container, cannot ensure uniform heating, has low heating control accuracy, and cannot meet the high-precision requirement of the liquid suction instrument. In addition, the operation of heating the standard liquid container in the prior art is inconvenient, and the liquid in the standard liquid container is easily polluted in the moving process.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, the present invention is directed to a heating device for a pipetting instrument, which can uniformly heat a solution in a standard liquid container, is very beneficial to improving a heating effect, and can precisely adjust a heating temperature.
To this end, according to the utility model, a heating device for a pipetting instrument is proposed, comprising: the fixing frame is connected with guide rails which are vertically distributed on one side of the fixing frame; the lifting frame is connected with the guide rail in a sliding manner; the heating block is arranged on the lifting frame; the heat conducting block is arranged on the heating block and is provided with an accommodating groove for accommodating a standard liquid container; the liquid heating device comprises a lifting frame, a heating block, a motor, a liquid guide rail and a liquid guide rail, wherein the motor is further arranged on the fixing frame, the output end of the motor is in transmission connection with the lifting frame, the heating block can heat and transfer heat to the heat conducting block, so that solution in a standard liquid container is heated, and the lifting frame can be driven by the motor to move along the guide rail so as to move heated liquid in the standard liquid container to a preset height.
In one embodiment, the heating block is connected with the lifting frame through a plurality of uniformly distributed connecting pin shafts, the lower ends of the connecting pin shafts penetrate through the lifting frame, the connecting pin shafts are in clearance fit with the lifting frame, a limiting part is arranged at the end part of the lower ends of the connecting pin shafts, and the upper ends of the connecting pin shafts are fixedly connected with the heating block.
In one embodiment, an elastic element is sleeved on the connecting pin shaft, the elastic element is positioned between the lifting frame and the heating block, and two ends of the elastic element are respectively abutted to and contacted with the lifting frame and the heating block.
In one embodiment, the resilient member is a compression spring.
In one embodiment, a plurality of heating rods are arranged in the heating block, and the heating rods can be electrified to heat the heating block.
In one embodiment, a fan is arranged at the lower end of the lifting frame, and the fan can cool the heat block so as to adjust the heating temperature.
In one embodiment, a temperature sensor is arranged on the heating block and used for detecting the temperature of the heating block in real time.
In one embodiment, a screw nut is arranged on the lifting frame, and the output end of the motor penetrates through the fixing frame to extend upwards along the vertical direction and is in transmission connection with the screw nut.
In one embodiment, the lifting frame is in sliding connection with the guide rail through a connecting piece, the connecting piece is constructed to comprise a first connecting plate and a second connecting plate which is vertically connected with the first connecting plate,
the guide rail is provided with a sliding block, the first connecting plate is fixedly connected with the lifting frame, and the second connecting plate is fixedly connected with the sliding block.
In one embodiment, a photoelectric sensor is arranged on the fixing frame and used for carrying out origin point detection on the motor.
Compared with the prior art, the utility model has the advantages that:
the heating device for the pipetting instrument can uniformly heat the solution in the standard liquid container, and is very favorable for improving the heating effect. And can make heat conduction piece and heating piece closely laminate through connecting pin axle and elastic component, this is favorable to reinforcing very much the heating effect of heating piece to the heat conduction piece, also is favorable to thermal even transmission. In addition, make heating device can carry out automatic real-time regulation to heating temperature through fan, heating rod and temperature sensor to make heating device's heating temperature keep near predetermined heating temperature, this is favorable to improving heating device's heating effect very much, realizes carrying out accurate adjustment to heating temperature from this.
Drawings
The utility model will now be described with reference to the accompanying drawings.
Fig. 1 and 2 schematically show the structure of a heating device for a pipetting instrument according to the utility model from different perspectives.
Fig. 3 schematically shows an exploded view of the heating device of fig. 1.
In the present application, the drawings are all schematic and are used only for illustrating the principles of the utility model and are not drawn to scale.
Detailed Description
The utility model is described below with reference to the accompanying drawings.
In the present invention, it should be noted that the direction along the X axis in fig. 1 is defined as the lateral direction, the direction along the Y axis in fig. 1 is defined as the longitudinal direction, and the direction along the Z axis in fig. 1 is defined as the vertical direction. It is further noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Fig. 1 and 2 schematically show the structure of a heating device 100 for a pipettor according to the present invention from different perspectives. As shown in fig. 1 and 2, the heating device 100 includes a fixing frame 1, a guide rail 2 disposed at one side of the fixing frame 1 and vertically distributed, a lifting frame 5, a heating block 7 mounted on the lifting frame 5, a heat conduction block 8 disposed on the heating block 7, and a motor 50 disposed on the fixing frame 1. The heat conducting block 8 is provided with a receiving groove for placing a standard liquid container (not shown). The standard liquid container is correspondingly placed in the holding tank of the heat conducting block 8, and the heating block 7 can heat and transfer heat to the heat conducting block 8, so that the solution in the standard liquid container can be uniformly heated.
The motor 50 is fixedly mounted on the fixing frame 1 through the motor mounting seat, and the output end of the motor 50 extends and is distributed along the vertical direction. The holder 1 may be, for example, a steel profile. The output end of the motor 50 is in transmission connection with the lifting frame 5, and the lifting frame 5 can be driven to move along the guide rail 2 through the motor 50, so that the heated liquid in the standard liquid container can be moved to a preset height.
According to one embodiment of the utility model, a lead screw nut 52 is provided on the crane 5. Meanwhile, an external thread is provided on an output shaft of the motor 50, thereby forming a lead screw structure. The output end of the motor 50 is matched with the lead screw nut 52 to form transmission connection. Therefore, the motor 50 can move the lead screw nut 52 vertically, and then the lifting frame 5 is driven to move vertically through the lead screw nut 52.
The heat conducting block 8 is made of a heat conducting material with good heat conducting performance, for example, aluminum.
According to the utility model, the heating block 7 is configured in the form of a rectangular plate. As shown in fig. 3, the heating block 7 is connected to the crane 5 by a plurality of evenly distributed connecting pins 51. In the embodiment shown in fig. 3, four connecting pins 51 are provided, and the four connecting pins 51 are respectively provided at four corners of the heating block 7. The lifting frame 5 is provided with an installation through hole, the lower end of the connecting pin shaft 51 penetrates through the installation through hole to be connected with the lifting frame 5, and the connecting pin shaft 51 is in clearance fit with the installation through hole of the lifting frame 5. The upper end of the connecting pin shaft 51 is fixedly connected with the heating block 7. Meanwhile, an elastic part (not shown) is sleeved on the connecting pin shaft 51, the elastic part is positioned between the lifting frame 5 and the heating block 7, and two ends of the elastic part are respectively abutted to the lifting frame 5 and the heating block 7 for contact. From this, when heat conduction piece 8 was placed on heating piece 7, heat conduction piece 8 received self gravity to push down heating piece 7, and heating piece 7 is ascending effort under the effect of elastic component to can make heat conduction piece 8 closely laminate with heating piece 7, this very is favorable to strengthening heating piece 7 to the heating effect of heat conduction piece 8, also is favorable to thermal even transfer.
In addition, clearance fit between connecting pin 51 and crane 5, this makes heating block 7 can have certain space of rocking to make the standard container and the holding tank cooperation of guide block 8, this very is favorable to heating block 7 alignment position.
In one embodiment, the resilient member may be, for example, a compression spring.
In addition, a limiting part (not shown) is provided at the lower end of the connecting pin 51, and the limiting part is located at the lower end of the lifting frame 5. The limiting part can prevent the connecting pin shaft 51 from being separated from the lifting frame 5 due to overlarge elasticity of the elastic piece of the heating block 7, and can effectively limit the connecting pin shaft 51.
According to the utility model, several heating rods 6 are arranged inside the heating block 7. The heating rod 6 is connected to a power supply through an electric wire, and the heating block 7 can be heated by energizing the heating rod 6. Preferably, several heating rods 6 are arranged inside the heating block 7 at regular intervals to ensure uniform heating of the heating block 7.
As shown in fig. 2 and 3, a fan 4 is provided at the lower end of the lifting frame 5, and the fan 4 can cool down the heating block 7 to adjust the heating temperature.
The heating block 7 is also provided with a temperature sensor 9, and the temperature sensor 9 can detect the temperature of the heating block 7 in real time. The heating device 100 further comprises a temperature controller (not shown) in signal connection with the heating rod 6 and the fan 4, respectively. In the actual working process, the temperature sensor 9 detects the temperature of the heating block 7 in real time and transmits a detection signal to the temperature controller. When the heating temperature detected by the temperature sensor 9 is lower than a predetermined temperature, the temperature controller controls the heating rod current to increase to raise the heating temperature. And when the heating temperature detected by the temperature sensor 9 is higher than the predetermined temperature, the temperature controller controls the fan to operate to lower the heating temperature. Therefore, the heating device 100 can automatically adjust the heating temperature in real time through the fan 4, the heating rod 6 and the temperature sensor 9, so that the heating temperature of the heating device 100 is kept near the preset heating temperature, which is very beneficial to improving the heating effect of the heating device 100.
As shown in fig. 2 and 3, the crane 5 is in sliding connection with the guide rail 2 via the connecting element 3. The connector 3 is configured to include a first connection plate and a second connection plate perpendicularly connected to the first connection plate. The guide rail 2 is provided with a slider 21, and the slider 21 is slidably fitted to the guide rail 2 and can slide along the guide rail. The first connecting plate of the connecting piece 3 is fixedly connected with the lifting frame 5, and the second connecting plate is fixedly connected with the sliding block 21. Thereby, the crane 5 forms a sliding connection with the guide rail 2 through the connector 3, and the crane 5 can slide along the guide rail 2.
According to the utility model, a photoelectric sensor 10 is arranged on the fixing frame 1, and the photoelectric sensor 10 is used for detecting the origin of the motor 50. An extension plate is arranged at the longitudinal side end of the second connecting plate of the connecting piece 3, and a detection element is arranged on the extension plate. The photoelectric sensor 10 can perform origin detection of the motor 50 to adjust the position of the crane 5 in the initial state. Specifically, the motor 50 drives the lifting frame 5 to move until the photoelectric sensor 10 detects that the detection element reaches a preset position, and then the detection of the origin of the motor 50 is completed. In the initial state, the lifting frame 5 is adjusted to move to a preset position so as to ensure that the liquid in the heat conducting block 8 is in the preset position.
The heating device 100 for the pipetting instrument can uniformly heat the solution in the standard liquid container, and is very beneficial to improving the heating effect. And through connecting pin 51 and elastic component can make heat conduction piece 8 and heating piece 7 closely laminate, this very is favorable to strengthening the heating effect of heating piece 7 to heat conduction piece 8, also is favorable to thermal even transmission. In addition, the heating device 100 can automatically adjust the heating temperature in real time through the fan 4, the heating rod 6 and the temperature sensor 9, so that the heating temperature of the heating device 100 is kept near the preset heating temperature, which is very beneficial to improving the heating effect of the heating device 100, thereby realizing accurate adjustment of the heating temperature.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heating device for a pipettor, comprising:
the device comprises a fixed frame (1), wherein one side of the fixed frame is connected with a guide rail (2) which is vertically distributed;
the lifting frame (5) is connected with the guide rail in a sliding manner;
a heating block (7) mounted on the lifting frame; and
a heat conducting block (8) arranged on the heating block, the heat conducting block being provided with an accommodating groove for accommodating a standard liquid container;
the liquid heating device comprises a lifting frame, a heating block, a motor (50), a heat conducting block and a liquid guiding rail, wherein the fixing frame is further provided with the motor (50), the output end of the motor is in transmission connection with the lifting frame, the heating block can heat and transfer heat to the heat conducting block, so that solution in a standard liquid container is heated, and the motor can drive the lifting frame to move along the guide rail so as to move heated liquid in the standard liquid container to a preset height.
2. The heating device according to claim 1, wherein the heating block is connected to the lifting frame by a plurality of evenly distributed connecting pins (51),
the lower end of the connecting pin shaft penetrates through the lifting frame, the connecting pin shaft is in clearance fit with the lifting frame, a limiting part is arranged at the end part of the lower end of the connecting pin shaft, and the upper end of the connecting pin shaft is fixedly connected with the heating block.
3. The heating device as claimed in claim 2, wherein an elastic member is sleeved on the connecting pin shaft, the elastic member is located between the lifting frame and the heating block, and two ends of the elastic member are respectively abutted against and contacted with the lifting frame and the heating block.
4. A heating device as claimed in claim 3, wherein the resilient member is a compression spring.
5. A heating device according to claim 1, characterized in that a number of heating rods (6) are arranged in the heating block, which heating rods can be heated by energizing the heating block.
6. The heating device according to claim 5, characterized in that a fan (4) is provided at the lower end of the lifting frame, which fan is capable of cooling the heating block to adjust the heating temperature.
7. A heating device according to claim 6, characterized in that a temperature sensor (9) is arranged on the heating block for detecting the temperature of the heating block in real time.
8. The heating device as claimed in claim 1, wherein a screw nut (52) is provided on the lifting frame, and an output end of the motor passes through the fixing frame to extend vertically upwards and is in transmission connection with the screw nut.
9. The heating device according to claim 1, wherein the lifting frame forms a sliding connection with the guide rail by means of a connecting piece (3), the connecting piece (3) being configured to comprise a first connecting plate and a second connecting plate perpendicularly connected to the first connecting plate,
the guide rail is provided with a sliding block, the first connecting plate is fixedly connected with the lifting frame, and the second connecting plate is fixedly connected with the sliding block.
10. The heating device according to claim 1 or 9, wherein a photoelectric sensor (10) is provided on the holder for origin detection of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121669936.5U CN215389379U (en) | 2021-07-22 | 2021-07-22 | Heating device for be used for liquid transfer appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121669936.5U CN215389379U (en) | 2021-07-22 | 2021-07-22 | Heating device for be used for liquid transfer appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215389379U true CN215389379U (en) | 2022-01-04 |
Family
ID=79651582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121669936.5U Active CN215389379U (en) | 2021-07-22 | 2021-07-22 | Heating device for be used for liquid transfer appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215389379U (en) |
-
2021
- 2021-07-22 CN CN202121669936.5U patent/CN215389379U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0514948B1 (en) | Apparatus for controlling pipets displaceable relatively to wells of liquid and a culture tray | |
| US7541001B2 (en) | Automatic pipetting and analyzing device | |
| US8772036B2 (en) | Automated method for sample distribution and isolation of an analyte with a solid support | |
| JP2000105244A (en) | Device for moving component in automatic analyzer system | |
| CN215389379U (en) | Heating device for be used for liquid transfer appearance | |
| CN113941383A (en) | Liquid transfer platform | |
| CN113908899B (en) | Pipetting device, nucleic acid extraction and detection device, and pipette replacement method | |
| CN108176336B (en) | High-flux coprecipitation synthesizer | |
| CN113308366A (en) | Full-automatic nucleic acid extraction device and method | |
| CN114868021A (en) | Automated library generator | |
| CN216419445U (en) | Limiting device for liquid transferring workbench | |
| CN215618131U (en) | Manipulator for liquid transferring instrument | |
| CN215789826U (en) | Manipulator movement device for liquid shifter | |
| CN215586536U (en) | Liquid suction device for liquid transfer instrument | |
| CN211729232U (en) | Mechanical arm | |
| CN215589192U (en) | Manipulator for liquid transferring instrument | |
| CN211848004U (en) | Nucleic acid extraction instrument | |
| CN215389400U (en) | Manipulator for liquid transferring instrument | |
| CN215589208U (en) | Clamping gripper for pipetting instrument | |
| CN215796731U (en) | A guiding orientation device for moving liquid workstation | |
| CN215611658U (en) | Kit cleaning device | |
| CN219179422U (en) | Anti-pollution device for full-automatic cup separating and processing system | |
| CN212255365U (en) | Dry-type immunoassay appearance | |
| KR102369417B1 (en) | Liquid handling system | |
| CN219038585U (en) | Incubation module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |