CN106119080A - A kind of instrument for extracting nucleic acid and power-supply system thereof - Google Patents
A kind of instrument for extracting nucleic acid and power-supply system thereof Download PDFInfo
- Publication number
- CN106119080A CN106119080A CN201610528824.5A CN201610528824A CN106119080A CN 106119080 A CN106119080 A CN 106119080A CN 201610528824 A CN201610528824 A CN 201610528824A CN 106119080 A CN106119080 A CN 106119080A
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- CN
- China
- Prior art keywords
- instrument
- nucleic acid
- voltage
- power
- extracting nucleic
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
- C12N15/1003—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
Abstract
The present invention relates to instrument for extracting nucleic acid field, be specifically related to a kind of instrument for extracting nucleic acid and power-supply system thereof, wherein, power-supply system includes: power interface, is used for connecting external power source；Voltage detector, for detecting the external power source voltage to power interface input electric energy；Adjustable transformer, primary coil is connected with external power source by power interface, and the supply line of secondary coil instrument for extracting nucleic acid is connected；Power-supply controller of electric, for the voltage-regulation adjustable transformer detected according to Voltage detector, so that the voltage that secondary coil exports to be adjusted to the rated voltage of instrument for extracting nucleic acid.Solve, by the present invention, the problem that instrument for extracting nucleic acid of the prior art cannot be used owing to limiting by use power supply in the environment of more, expand the range of instrument for extracting nucleic acid.
Description
Technical field
The present invention relates to instrument for extracting nucleic acid field, be specifically related to a kind of instrument for extracting nucleic acid and power-supply system thereof.
Background technology
In genetic engineering and protein engineering research field, nucleic acid molecules is main study subject, and nucleic acid point
From the basic fundamental with linearisation being nucleic acids research.Nucleic acid is the elementary cell representing life entity inherited characteristic, and detection of nucleic acids is
Carry out the biological detection of advanced person on a molecular scale, compare traditional morphologic detection, cytology's detection, immunology detection etc. more
Tool susceptiveness, specificity, without remarkable advantages such as window phases.Detection of nucleic acids includes that qualitative PCR, molecule hybridize, real time fluorescent quantitative
The technology such as PCR, these nucleic acid detection techniques primary it is crucial that to complete the nucleic acid of biological specimen is extracted, therefore have
Imitate, extract the nucleic acid-templated premise becoming follow-up detection of nucleic acids exactly.
At present, existing instrument for extracting nucleic acid is generally positioned in laboratory or operating room, and instrument for extracting nucleic acid is used
Power supply (such as rated voltage) is the most fixing.Along with the use of nucleic acid extraction is more and more extensive, the application of instrument for extracting nucleic acid
Scene also gets more and more, but existing instrument for extracting nucleic acid is owing to being limited by power supply, it is impossible to realize the application of more multi-environment,
Return laboratory or operating room after sample collection can only be carried out nucleic acid extraction.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that instrument for extracting nucleic acid of the prior art is due to by using power supply
Restriction and cannot use in the environment of more, thus provide a kind of instrument for extracting nucleic acid and power-supply system thereof.
One aspect of the present invention, it is provided that a kind of power-supply system for instrument for extracting nucleic acid, including: power interface, use
In connecting external power source；Voltage detector, for detecting the described external power source voltage to described power interface input electric energy；Can
Voltage regulator/transformer, primary coil is connected with described external power source by described power interface, the power supply of secondary coil instrument for extracting nucleic acid
Circuit is connected；Power-supply controller of electric, for adjustable transformer described in the voltage-regulation that detects according to described Voltage detector, with
The voltage that described secondary coil exports is adjusted to the rated voltage of described instrument for extracting nucleic acid.
Preferably, also include: switching device, be arranged in described supply line, be used for controlling described supply line and connect
Or disconnect, wherein, described power-supply controller of electric is additionally operable to when the voltage that described Voltage detector detects is beyond range of accommodation, control
Make described switching device to disconnect.
Preferably, also include: current detecting instrument, for detecting the electric current of described secondary coil output, wherein, described power supply
Controller is additionally operable to when the electric current that described current detecting instrument detects is more than predetermined current threshold control described switching device and breaks
Open.
Preferably, also include: alarm device, be connected with described power-supply controller of electric, for examining at described Voltage detector
The electric current that the voltage measured detects beyond range of accommodation or described current detecting instrument is reported more than output during predetermined current threshold
Alert prompting.
Preferably, also include: direct current transducer, be connected between described power interface and described supply line, with described
Adjustable transformer is in parallel, for being adjusted the input voltage of described external power source when described external power source is unidirectional current.
Preferably, also include: alternating current-direct current detector, detect the power supply type of described external power source input, wherein, described
In the case of what external power source exported is alternating current, connect the connection with described adjustable transformer；Export at described external power source
Be galvanic in the case of, connect and the connection of described direct current transducer.
Preferably, also include: interface convertor, one end be provided with described power interface with the use of interface, another
End is provided with multiple different types of general-purpose interface.
Preferably, also include: accumulator, wherein, when described power interface accesses described external power source, outside described
Portion's power supply is to described instrument for extracting nucleic acid and power supply, and charges to described accumulator；External electrical is not accessed at described power interface
During source, by described accumulator to described instrument for extracting nucleic acid and power supply.
Preferably, also include: power regulator, for the instantaneous overload voltage that described instrument for extracting nucleic acid is produced or mistake
Carry electric current and change into heat energy.
Another aspect of the present invention, additionally provides a kind of instrument for extracting nucleic acid, it is characterised in that include described power supply system
System.
According to embodiments of the present invention, by using power interface, Voltage detector, adjustable transformer and power-supply controller of electric,
The power-supply system of the present embodiment can detect the input electricity of the external power source accessed by power interface according to Voltage detector
Pressure, is adjusted adjustable transformer, so that the voltage being input to instrument for extracting nucleic acid reaches rated voltage, and will not be by outward
The voltage influence of portion's power supply, solve instrument for extracting nucleic acid of the prior art due to by use power supply limited and cannot be more
The problem used in the environment of Duo, expands the range of instrument for extracting nucleic acid.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the theory diagram of a concrete example of power-supply system in the embodiment of the present invention 1 for instrument for extracting nucleic acid；
Fig. 2 is the principle frame of another concrete example of power-supply system in the embodiment of the present invention 1 for instrument for extracting nucleic acid
Figure；
Reference: 10-power interface, 20-Voltage detector, 30-adjustable transformer, 40-power-supply controller of electric, 50-opens
Close device, 60-current detecting instrument, 70-alarm device, 80-direct current transducer, 90-alternating current-direct current detector.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " is installed ", " being connected ", " connection " should be interpreted broadly, example
As, can be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be to be electrically connected
Connect；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, it is also possible to be the connection of two element internals, permissible
It is wireless connections, it is also possible to be wired connection.For the ordinary skill in the art, can understand above-mentioned with concrete condition
Term concrete meaning in the present invention.
If additionally, the most non-structure of technical characteristic involved in invention described below difference embodiment
Become conflict just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of power-supply system for instrument for extracting nucleic acid, and this power-supply system may be used for instrument for extracting nucleic acid
Power supply control, as it is shown in figure 1, this power-supply system includes: power interface 10, Voltage detector 20, adjustable transformer 30 and electricity
Source controller 40.
Power interface 10 is used for connecting external power source.This power interface 10 may be used for connecting the electric energy output of external power source
Interface, if connecing domestic power supply, then can access power supply by the plug of adapter, and be connected to by the other end of adapter
This power interface 10.Wherein, external power source can be alternating current power supply can also be DC source.
Voltage detector 20 inputs the voltage of electric energy for detecting external power source to power interface 10.Voltage detector 20 with
Power interface connects, and can be the element that can detect voltage such as such as voltage transformer.
The primary coil of adjustable transformer 30 is connected with external power source by power interface 10, secondary coil instrument for extracting nucleic acid
Supply line be connected.The output voltage of adjustable transformer 30 can be adjusted as required, specifically, and adjustable transformer
The primary coil of 30 or the winding quantity of secondary coil can regulate, and regulate output electricity by the winding quantity changing coil
Pressure.
Power-supply controller of electric 40 is respectively connected with adjustable transformer 30 and Voltage detector 20, for according to Voltage detector
The voltage-regulation adjustable transformer 30 detected, to be adjusted to the specified electricity of instrument for extracting nucleic acid by the voltage that secondary coil exports
Pressure.Specifically, the coil of regulation adjustable transformer 30 is around mainly realizing the control to its output voltage.
According to embodiments of the present invention, by using power interface, Voltage detector, adjustable transformer and power-supply controller of electric,
The power-supply system of the present embodiment can detect the input electricity of the external power source accessed by power interface according to Voltage detector
Pressure, is adjusted adjustable transformer, so that the voltage being input to instrument for extracting nucleic acid reaches rated voltage, and will not be by outward
The voltage influence of portion's power supply, solve instrument for extracting nucleic acid of the prior art due to by use power supply limited and cannot be more
The problem used in the environment of Duo, expands the range of instrument for extracting nucleic acid.
Preferably, as in figure 2 it is shown, the power-supply system of the present embodiment also includes: switching device 50, it is arranged on supply line
On, it is used for controlling supply line and is switched on or switched off, wherein, power-supply controller of electric 40 is additionally operable to the electricity detected at Voltage detector 20
When pressure is beyond range of accommodation, controls switching device 50 and disconnect.
Owing to adjustable transformer 30 is limited to the range of accommodation of voltage, in the present embodiment, by increasing switching device 50, with
It is easy to, when input voltage is beyond adjustable extent, cut off the power supply of instrument for extracting nucleic acid, to avoid high voltage to instrument for extracting nucleic acid
The problems such as infringement.
Preferably, as in figure 2 it is shown, power-supply system also includes: current detecting instrument 60, for detecting the electricity of secondary coil output
Stream, wherein, power-supply controller of electric 40 is additionally operable to when the electric current that current detecting instrument 60 detects is more than predetermined current threshold control to open
Close device 50 to disconnect.The present embodiment increases current detecting instrument 60 and can avoid the excessive infringement to instrument for extracting nucleic acid of electric current.
Further, as in figure 2 it is shown, power-supply system also includes: alarm device 70, it is connected with power-supply controller of electric 40, uses
The electric current detected beyond range of accommodation or current detecting instrument in the voltage detected at Voltage detector is more than predetermined current
Alarm is exported during threshold value.
Preferably as in figure 2 it is shown, power-supply system also includes: direct current transducer 80, it is connected to power interface 10 and supply lines
Between road, in parallel with adjustable transformer 30, for the input voltage of external power source being adjusted when external power source is unidirectional current
Joint.
In the present embodiment, the external power source that power interface is got involved can be DC source, it is also possible to be alternating current power supply, when outward
When what portion accessed is DC source, carries out DC/DC conversion by direct current transducer 80, be instrument for extracting nucleic acid institute by its photovoltaic conversion
The voltage needed；When external power source is alternating current, then by adjustable transformer 30, its output voltage is adjusted, to reach core
The standard of the voltage that acid extraction apparatus can use.
Further, as in figure 2 it is shown, power-supply system also includes: alternating current-direct current detector 90, the electricity of detection external power source input
Source Type, wherein, external power source output be alternating current in the case of, connect and the connection of adjustable transformer；At external electrical
Source output be galvanic in the case of, connect and the connection of direct current transducer.
In the present embodiment, the external external power source of power interface can be at the adjustable model of adjustable transformer or direct current transducer
Enclosing interior any direct current or alternating current power supply, such as, 12V vehicle power, when using vehicle power, instrument for extracting nucleic acid can be put
Put on vehicle, vehicle power provide electric energy, convenient and practical.
Alternatively, the power-supply system of the present embodiment also includes: interface convertor, and one end is provided with to coordinate with power interface and makes
Interface, the other end is provided with multiple different types of general-purpose interface.
Many general interface, such as USB interface can be provided with on this interface convertor, and other can serve as power supply
The interface of input, so, can be by the instrument for extracting nucleic acid of the plant-grid connection of distinct interface to the present embodiment by interface convertor
On, for powering to instrument for extracting nucleic acid.
Alternatively, the power-supply system of the present embodiment also includes: accumulator, wherein, when power interface accesses external power source,
By external power source to instrument for extracting nucleic acid and power supply, and charge to accumulator；When power interface does not access external power source, logical
Cross accumulator to instrument for extracting nucleic acid and power supply.
That is to say, in the present embodiment, instrument for extracting nucleic acid can also be powered to it by its accumulator contained, and so, makes
Must be when not having external power source to access, instrument for extracting nucleic acid still is able to use the power supply of accumulator to be operated, it addition, by increasing
Accumulator, it is ensured that the portability of instrument for extracting nucleic acid, can carry out nucleic acid extraction in arbitrary place, and not limited by power supply
System.
Alternatively, the power-supply system of the present embodiment also includes: power regulator, instantaneous for produced by instrument for extracting nucleic acid
Overload voltage or overcurrent change into heat energy.
During nucleic acid extraction, needing a controlled stable environment, in the present embodiment, isomorphism power supply regulates
The instantaneous overload voltage produced during nucleic acid extraction or overcurrent are converted into heat energy and dissipate by device, in order to avoid affecting core
Acid is extracted.Wherein, power regulator can be to comprise the equipment such as the electricity temperature-sensitive element turning heat energy.
Embodiment 2
Originally executing example and provide a kind of instrument for extracting nucleic acid, this instrument for extracting nucleic acid includes the power-supply system described in the present embodiment.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (10)
1. the power-supply system for instrument for extracting nucleic acid, it is characterised in that including:
Power interface, is used for connecting external power source；
Voltage detector, for detecting the described external power source voltage to described power interface input electric energy；
Adjustable transformer, primary coil is connected with described external power source by described power interface, secondary coil instrument for extracting nucleic acid
Supply line be connected；
Power-supply controller of electric, for adjustable transformer described in the voltage-regulation that detects according to described Voltage detector, with by described
The voltage of secondary coil output is adjusted to the rated voltage of described instrument for extracting nucleic acid.
System the most according to claim 1, it is characterised in that also include:
Switching device, is arranged in described supply line, is used for controlling described supply line and is switched on or switched off, wherein, and described electricity
Source controller is additionally operable to, when the voltage that described Voltage detector detects is beyond range of accommodation, control described switching device and break
Open.
System the most according to claim 2, it is characterised in that also include:
Current detecting instrument, for detecting the electric current of described secondary coil output,
Wherein, the electric current that described power-supply controller of electric is additionally operable to described current detecting instrument detects is more than predetermined current threshold time control
Make described switching device to disconnect.
System the most according to claim 3, it is characterised in that also include:
Alarm device, is connected with described power-supply controller of electric, exceeds regulation for the voltage detected at described Voltage detector
The electric current that scope or described current detecting instrument detect is more than output alarm during predetermined current threshold.
System the most according to claim 1, it is characterised in that also include:
Direct current transducer, is connected between described power interface and described supply line, in parallel with described adjustable transformer, is used for
When described external power source is unidirectional current, the input voltage of described external power source is adjusted.
System the most according to claim 5, it is characterised in that also include:
Alternating current-direct current detector, detect described external power source input power supply type, wherein, described external power source export be hand over
In the case of stream electricity, connect the connection with described adjustable transformer；Described external power source export be galvanic in the case of,
Connect the connection with described direct current transducer.
7., according to the system according to any one of claim 1-6, it is characterised in that also include: interface convertor, one end is arranged
Have with described power interface with the use of interface, the other end is provided with multiple different types of general-purpose interface.
8. according to the system according to any one of claim 1-6, it is characterised in that also include: accumulator, wherein, described
When power interface accesses described external power source, by described external power source to described instrument for extracting nucleic acid and power supply, and to described storage
Battery charges；When described power interface does not access external power source, by described accumulator to described instrument for extracting nucleic acid and confession
Electricity.
9. according to the system according to any one of claim 1-6, it is characterised in that also include: power regulator, for by institute
Instantaneous overload voltage or the overcurrent of stating instrument for extracting nucleic acid generation change into heat energy.
10. an instrument for extracting nucleic acid, it is characterised in that include the power-supply system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528824.5A CN106119080A (en) | 2016-07-06 | 2016-07-06 | A kind of instrument for extracting nucleic acid and power-supply system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528824.5A CN106119080A (en) | 2016-07-06 | 2016-07-06 | A kind of instrument for extracting nucleic acid and power-supply system thereof |
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| CN106119080A true CN106119080A (en) | 2016-11-16 |
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| CN201610528824.5A Pending CN106119080A (en) | 2016-07-06 | 2016-07-06 | A kind of instrument for extracting nucleic acid and power-supply system thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203382751U (en) * | 2013-06-21 | 2014-01-08 | 中国科学院上海技术物理研究所 | Device convenient for integration and used for realizing PCR (Polymerase Chain Reaction) |
| CN103718446A (en) * | 2011-08-11 | 2014-04-09 | 株式会社村田制作所 | Switching power supply device |
| US20140183959A1 (en) * | 2012-12-27 | 2014-07-03 | Fdk Corporation | Uninterruptible power supply |
| CN203700334U (en) * | 2013-11-01 | 2014-07-09 | 艾康生物技术(杭州)有限公司 | Nucleic acid extraction instrument |
-
2016
- 2016-07-06 CN CN201610528824.5A patent/CN106119080A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718446A (en) * | 2011-08-11 | 2014-04-09 | 株式会社村田制作所 | Switching power supply device |
| US20140183959A1 (en) * | 2012-12-27 | 2014-07-03 | Fdk Corporation | Uninterruptible power supply |
| CN203382751U (en) * | 2013-06-21 | 2014-01-08 | 中国科学院上海技术物理研究所 | Device convenient for integration and used for realizing PCR (Polymerase Chain Reaction) |
| CN203700334U (en) * | 2013-11-01 | 2014-07-09 | 艾康生物技术(杭州)有限公司 | Nucleic acid extraction instrument |
Non-Patent Citations (1)
| Title |
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| 吴国楼等: "《开关电源维修技能实训》", 30 June 2014 * |
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Effective date of registration: 20161129 Address after: 215163 No. 8 Jinfeng Road, hi tech Zone, Jiangsu, Suzhou Applicant after: Suzhou Baiyuan Gene Technology Co., Ltd. Address before: No. 222 Tianshui South Road, Chengguan District, Gansu, Lanzhou Applicant before: Che Tuanjie |
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Application publication date: 20161116 |