CN216669044U - Temperature field test calibration device for nucleic acid extractor - Google Patents
Temperature field test calibration device for nucleic acid extractor Download PDFInfo
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- CN216669044U CN216669044U CN202122674123.1U CN202122674123U CN216669044U CN 216669044 U CN216669044 U CN 216669044U CN 202122674123 U CN202122674123 U CN 202122674123U CN 216669044 U CN216669044 U CN 216669044U
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- temperature
- nucleic acid
- acid extractor
- calibrating
- temperature field
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 150000007523 nucleic acids Chemical class 0.000 title claims abstract description 36
- 102000039446 nucleic acids Human genes 0.000 title claims abstract description 36
- 108020004707 nucleic acids Proteins 0.000 title claims abstract description 36
- 239000000523 sample Substances 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a temperature field test calibration device of a nucleic acid extractor, which comprises a temperature test probe, wherein the temperature test probe comprises a metal probe, an upper shell and a lower shell, the metal probe is connected with one end of the lower shell, the other end of the lower shell is connected with the upper shell, the diameter of the upper shell is larger than that of the lower shell, and the upper shell is a balancing weight. According to the utility model, the upper shell is provided with the balancing weight, so that the pressure of the metal probe is increased, the temperature measuring probe is tightly contacted with the heating base in the nucleic acid extractor, and the error of the test temperature is reduced. The data processing terminal obtains the temperature data processed by the main control unit in a wireless communication mode, and the occupied space of the nucleic acid extractor is reduced.
Description
Technical Field
The utility model relates to the field of test and measurement, in particular to a temperature field test calibration device for a nucleic acid extractor.
Background
A nucleic acid extractor (including an automatic nucleic acid extractor) is a nucleic acid extraction and purification device which uses a nucleic acid extraction reagent to complete the extraction of sample nucleic acid, and the principle is to crack, extract and purify a sample under the conditions of certain temperature, vibration and the like. The extractor is composed of a temperature control system, an oscillation system, a liquid taking system and a separation and purification system, or a part of the temperature control system, the oscillation system, the liquid taking system and the separation and purification system. Because the requirement on the control accuracy of the temperature is high in the working process, the importance of the test and calibration of the temperature of the nucleic acid extractor, especially the core indexes such as temperature indication error, temperature uniformity, temperature stability and the like, is increasingly prominent.
In the prior art, the traditional temperature sensor needs to fix a thermosensitive device at a measured position, the operation is complex, and the contact between a temperature measuring probe and a heating base inside a nucleic acid extractor is difficult to ensure the close contact, so that the error of the test temperature is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a temperature field test calibration device for a nucleic acid extractor, which can solve the problem that a temperature probe is difficult to contact with a heating base inside the nucleic acid extractor to ensure close contact. In order to solve the technical problem, the utility model provides a temperature field test calibration device of a nucleic acid extractor, which comprises a temperature test probe, wherein the temperature test probe comprises a metal probe, an upper shell and a lower shell, the metal probe is connected with one end of the lower shell, the other end of the lower shell is connected with the upper shell, the diameter of the upper shell is larger than that of the lower shell, and the upper shell is a balancing weight;
an orifice plate having a plurality of orifices capable of receiving the temperature test probes.
Preferably, the temperature test probe is a hollow structure.
Preferably, the lower shell is connected with the metal probe through threads or glue.
Preferably, the bottom surface of the metal probe is spherical or conical, a temperature sensitive device is arranged in the metal probe, and a cavity of the metal probe is filled with heat-conducting glue.
Preferably, the calibration device for testing the temperature field of the nucleic acid extraction instrument further comprises a temperature acquisition module, wherein the temperature acquisition module comprises an analog-digital conversion unit, and the analog-digital conversion unit is connected with the temperature sensitive device.
Preferably, the temperature acquisition module further comprises a main control unit, a storage unit and a communication unit; the main control unit is connected with the analog-digital conversion unit, and the storage unit and the communication unit are respectively connected with the main control unit.
Preferably, the temperature acquisition module is connected with the N temperature test probes.
Preferably, the calibration device for testing the temperature field of the nucleic acid extraction instrument further comprises a data processing terminal, and the data processing terminal acquires the temperature data processed by the main control unit through a communication unit.
Preferably, the communication mode of the communication unit is wired communication or wireless communication.
Preferably, the wireless communication mode is ZigBee or bluetooth.
Preferably, the counterweight block is a metal block.
The utility model has the beneficial effects that: the upper shell of the temperature test probe is set as a balancing weight, so that the pressure of the temperature test probe is increased, the temperature test probe is in close contact with the heating base in the nucleic acid extractor, and the error of the test temperature is reduced; temperature data are acquired in a wireless communication mode, and the problem that a lead is inconvenient to seal in an instrument working area is solved.
Drawings
FIG. 1 is a schematic structural view of a temperature test probe;
FIG. 2 is a schematic diagram of the internal structure of the temperature test probe;
FIG. 3 is a frame diagram of the temperature measurement of the calibration device for the temperature field test of the nucleic acid extractor.
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.
Examples
The embodiment provides a calibration device for a temperature field test of a nucleic acid extractor, as shown in fig. 1, the calibration device comprises a temperature test probe, the temperature test probe comprises a metal probe 3, an upper shell 1 and a lower shell 2, the metal probe 3 is connected with one end of the lower shell 2, the other end of the lower shell 2 is connected with the upper shell 1, the diameter of the upper shell 1 is larger than that of the lower shell 2, and the upper shell 1 is a balancing weight;
an orifice plate having a plurality of orifices capable of receiving the temperature test probes.
In this embodiment, the temperature sensitive device 4 is an NTC resistor or a platinum resistor.
In this embodiment, as shown in fig. 2, the temperature testing probe is a hollow structure.
In this embodiment, the inner diameter of the cavity of the metal probe 3 is 2mm to 5 mm.
In this embodiment, the lower case 2 is connected to the metal probe 3 by a screw thread or glue.
In a preferred embodiment, the lower shell 2 has a height of 4mm to 20mm, an outer diameter of 5mm to 10mmh, and an inner diameter of 2mm to 5mm, and the lower shell 2 is made of PEEK.
In this embodiment, the bottom surface of the metal probe 3 is spherical or conical, the temperature sensitive device 4 is arranged in the metal probe 3, and the cavity of the metal probe 3 is filled with heat conducting glue.
In this embodiment, as shown in fig. 3, the calibration apparatus for testing a temperature field of a nucleic acid extractor further includes a temperature acquisition module 5, where the temperature acquisition module 5 includes an analog-to-digital conversion unit, and the analog-to-digital conversion unit is connected to the temperature sensitive device.
In this embodiment, the temperature acquisition module 5 further includes a main control unit, a storage unit, and a communication unit; the main control unit is connected with the analog-digital conversion unit, and the storage unit and the communication unit are respectively connected with the main control unit.
In a preferred embodiment, the temperature acquisition module 5 is connected to N temperature test probes 3.
In this embodiment, the calibration device for testing the temperature field of the nucleic acid extraction instrument further includes a data processing terminal 6, and the data processing terminal 6 obtains the temperature data processed by the main control unit through the communication unit.
In this embodiment, the communication mode of the communication unit is wired communication or wireless communication.
In this embodiment, the wireless communication mode is ZigBee or bluetooth.
In this embodiment, the weight block is a metal block.
The beneficial effect of this embodiment does: the upper shell of the temperature test probe is set as a balancing weight, so that the pressure of the temperature test probe is increased, the temperature test probe is in close contact with the heating base in the nucleic acid extractor, and the error of the test temperature is reduced; temperature data are acquired in a wireless communication mode, and the problem that a lead is inconvenient to seal in an instrument working area is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A nucleic acid extraction appearance temperature field test calibrating device which characterized in that includes:
the temperature test probe comprises a metal probe, an upper shell and a lower shell, wherein the metal probe is connected with one end of the lower shell, the other end of the lower shell is connected with the upper shell, the diameter of the upper shell is larger than that of the lower shell, and the upper shell is a balancing weight;
an orifice plate having a plurality of orifices capable of receiving the temperature test probes.
2. The calibration device for the temperature field test of the nucleic acid extractor according to claim 1, wherein the temperature test probe has a hollow structure.
3. The device for testing and calibrating the temperature field of the nucleic acid extractor according to claim 1, wherein the lower shell is connected to the metal probe by a screw thread or glue.
4. The device for testing and calibrating the temperature field of the nucleic acid extractor as claimed in claim 1, wherein the bottom surface of the metal probe is spherical or conical, the temperature sensitive device is arranged in the metal probe, and the cavity of the metal probe is filled with heat conductive glue.
5. The device for testing and calibrating the temperature field of the nucleic acid extractor according to claim 4, wherein the device for testing and calibrating the temperature field of the nucleic acid extractor further comprises a temperature acquisition module, the temperature acquisition module comprises an analog-digital conversion unit, and the analog-digital conversion unit is connected with the temperature sensitive device.
6. The device for testing and calibrating the temperature field of the nucleic acid extractor according to claim 5, wherein the temperature acquisition module further comprises a main control unit, a storage unit and a communication unit; the main control unit is connected with the analog-digital conversion unit, and the storage unit and the communication unit are respectively connected with the main control unit.
7. The device for testing and calibrating the temperature field of the nucleic acid extractor according to claim 6, wherein the device for testing and calibrating the temperature field of the nucleic acid extractor further comprises a data processing terminal, and the data processing terminal acquires the temperature data processed by the main control unit through a communication unit.
8. The device for testing and calibrating the temperature field of a nucleic acid extractor according to claim 6, wherein the communication means of the communication unit is wired communication or wireless communication.
9. The device for testing and calibrating the temperature field of the nucleic acid extractor according to claim 8, wherein the wireless communication mode is ZigBee or Bluetooth.
10. The device for testing and calibrating the temperature field of a nucleic acid extractor according to claim 1, wherein the weight member is a metal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674123.1U CN216669044U (en) | 2021-11-03 | 2021-11-03 | Temperature field test calibration device for nucleic acid extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122674123.1U CN216669044U (en) | 2021-11-03 | 2021-11-03 | Temperature field test calibration device for nucleic acid extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216669044U true CN216669044U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122674123.1U Expired - Fee Related CN216669044U (en) | 2021-11-03 | 2021-11-03 | Temperature field test calibration device for nucleic acid extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216669044U (en) |
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2021
- 2021-11-03 CN CN202122674123.1U patent/CN216669044U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |