CN209417067U - A kind of sample charging mechanism and sample analyser - Google Patents
A kind of sample charging mechanism and sample analyser Download PDFInfo
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- CN209417067U CN209417067U CN201821612096.7U CN201821612096U CN209417067U CN 209417067 U CN209417067 U CN 209417067U CN 201821612096 U CN201821612096 U CN 201821612096U CN 209417067 U CN209417067 U CN 209417067U
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Abstract
This application provides a kind of sample charging mechanism and sample analysers, the sample charging mechanism includes sample stage, cover and gas transmission mechanism, and sample stage is arranged with sample pool for carrying detection card and sample cup, detection, sample cup is connected to by being loaded pipe with sample pool, and the sample cup accommodates reaction solution；Cover forms a seal chamber for being provide with detection card and sample cup, and with sample stage, and cover is equipped with air inlet；Gas transmission mechanism is connect by air inlet with cover, so that reaction solution is under the action of the draught head of seal chamber and sample pool, by being loaded pipe injecting sample pond, compared with the prior art in by way of manually or mechanically arm liquid feeding, sample-adding efficiency is improved, is reduced costs.
Description
Technical field
This application involves medical instruments fields, more particularly to a kind of sample charging mechanism and sample analyser.
Background technique
In medical device technology, before carrying out pattern detection, need to inject reaction solution in detection card, the prior art
In, generally reaction solution is added in sample pool by the way of manually or mechanically arm, efficiency is lower, higher cost.
Utility model content
The application is mainly to provide a kind of sample charging mechanism and sample analyser, it is intended to solve to carry out using manually or mechanically arm
The problem of mode low efficiency and higher cost of liquid feeding.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of sample charging mechanism is provided, it is described to add
Model machine structure includes: sample stage, is arranged with sample pool for carrying detection card and sample cup, the detection, the sample cup passes through
Sample-adding pipe is connected to the sample pool, and the sample cup accommodates reaction solution；Cover, for being provide with the detection card and the sample
This cup, and a seal chamber is formed with the sample stage, and the cover is equipped with air inlet；Gas transmission mechanism passes through the air inlet
It is connect with the cover, so that the reaction solution passes through under the action of the draught head of the seal chamber and the sample pool
The sample-adding pipe injects the sample pool.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of sample analyser, institute
Stating sample analyser includes above-mentioned sample charging mechanism.
The beneficial effect of the application is: being in contrast to the prior art, the application at work, is made by gas transmission mechanism
It obtains seal chamber and sample pool forms draught head, so that the reaction solution in sample cup is in the draught head of seal chamber and sample pool
Under effect, by be loaded pipe injecting sample pond, compared with the prior art in by way of manually or mechanically arm liquid feeding, improve
It is loaded efficiency, is reduced costs.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of sample analyser embodiment provided by the present application；
Fig. 2 is the structural schematic diagram of sample charging mechanism in Fig. 1；
Fig. 3 is the control schematic diagram of sample charging mechanism in Fig. 1；
Fig. 4 is the enlarged diagram of part A in Fig. 2；
Fig. 5 is the decomposition diagram that card is detected in Fig. 4；
Fig. 6 is the schematic cross-section of part B in Fig. 4；
Fig. 7 is the schematic cross-section of C portion in Fig. 4；
Fig. 8 is the status diagram that cover and sample stage form seal chamber in Fig. 2；
Fig. 9 is the structural schematic diagram of cover in Fig. 2；
Figure 10 is the structural schematic diagram of tube cutting mechanism in Fig. 1；
Figure 11 is the decomposition diagram of tube cutting mechanism in Figure 10；
Figure 12 is the enlarged diagram of the part D in Figure 10.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Refering to fig. 1, Fig. 1 is the structural schematic diagram of sample analyser embodiment provided by the present application, the sample of the present embodiment
Analyzer includes pipe installation 10, and pipe installation 10 includes sample charging mechanism 20 and tube cutting mechanism 30.
It is the structural schematic diagram of sample charging mechanism 20 in Fig. 1 refering to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 jointly, Fig. 3 is loaded in Fig. 1
The control schematic diagram of mechanism 20, Fig. 4 are the enlarged diagrams of part A in Fig. 2, wherein sample charging mechanism 20 include sample stage 201,
Cover 202 and gas transmission mechanism 203.
Wherein, sample stage 201 is for carrying detection card 110 and sample cup 120, and optionally, sample stage 201 includes sample bottom
Plate 2011 and sample arm 2012, sample arm 2012 are set on sample bottom plate 2011, and detection card 110 and sample cup 120 are held
It is loaded on sample arm 2012.
Optionally, sample stage 201 can carry multiple detection cards 110 and multiple sample cups 120.
It is the decomposition diagram of detection card 110 in Fig. 4 refering to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, Fig. 5 jointly, Fig. 6 is B in Fig. 4
Partial schematic cross-section, Fig. 7 are the schematic cross-sections of C portion in Fig. 4, wherein detection card 110 is equipped with sample pool 111, sample
Cup 120 is connected to sample pool 111 and accommodates reaction solution by being loaded pipe 130, so that reaction solution passes through sample-adding 130 note of pipe
Enter sample pool 111.
Specifically, detection card 110 includes card ontology 110a, above-mentioned sample pool 111 is set on card ontology 110a, and is blocked
Ontology 110a is additionally provided with Loading channel 112, and Loading channel 112 is connected to sample pool 111 and including first port 1121 and second
Port 1122, the one end for being loaded pipe 130 is pluggable in first port 1121, and the other end is inserted into sample cup 120, so that reaction
Liquid is from first port 1121 and then passes through 112 injecting sample pond 111 of Loading channel.
Optionally, card ontology 110a can be by ABS (acrylonitrile-butadiene-styrene (ABS)) plastics, polystyrene or (poly- pair of PET
Ethylene terephthalate) etc. plastic materials be made.
Optionally, above-mentioned reaction solution is sample liquid, culture reagent is also accommodated in sample pool 111, when sample pool 111
After middle injecting sample liquid, the microorganism contained in sample liquid can grow in culture, to be detected to culture, the culture
Object can add the biological samples such as corresponding reagent for agar, and in other embodiments, reaction solution may be reaction reagent, such as above-mentioned
Culture reagent sample liquid is accommodated in sample pool 111 in this case.
Optionally, the quantity of sample pool 111 is multiple, and multiple sample pools 111 are respectively communicated with Loading channel 112, Ke Yili
Solution, the quantity of sample pool 111 and position herein with no restrictions, with 10 × 10 quantity and array arrangement in the present embodiment diagram
For.
Optionally, Loading channel 112 includes main channel 112a and multiple affluent channel 112b, above-mentioned first port 1121
And second port 1122 is set to the both ends of main channel 112a, multiple affluent channel 112b are respectively communicated with main channel 112a and multiple
Sample pool 111.
Optionally, at least one of above-mentioned sample pool 111 and Loading channel 112 expose to card ontology 110a, at this
In embodiment, at least one of multiple sample pools 111 and Loading channel 112 are through card ontology 110a in card ontology 110a phase
Pair two sides expose to card ontology 110a.
Further, above-mentioned second port 1122 is used to inject spacer body to Loading channel 112, so that spacer body is filled out
It fills Loading channel 112 and then the reaction solution in multiple sample pools 111 is isolated, in the present embodiment, spacer body passes through second port
1122 injection main channel 112a, with the reaction solution being isolated in multiple sample pools 111 in main channel 112.
Specifically, passing through after the reaction solution in sample cup 120 injects multiple sample pool 111 by being loaded pipe 130
Second port 1122 injects spacer body into Loading channel 112, which will remain in the reaction solution in Loading channel 112,
In the present embodiment, i.e., the reaction solution remained in the 112a of main channel is pushed back into sample-adding pipe 130, and then pushes back to sample cup 120
In to be filled in Loading channel 112 so that multiple sample pools 111 are isolated by spacer body, so that multiple sample pools 111
In reaction solution be also isolated by spacer body, prevent reaction solution in multiple sample pools 111 from intersecting when carrying out detection reaction
The case where infection, improves the accuracy of testing result.
Optionally, which can be gas or liquid, and not dissolve in or be insoluble in water, for example gas can be
CH4、C2H4、N2、NO、H2、CO、O2Or one or more of other inert gases mixing, liquid can be edible oil, gasoline,
Kerosene, diesel oil, benzene etc. directly can select air as spacer body in a practical application.
Optionally, card ontology 110a is additionally provided with injection channel 113, which is connected to second port 1122, and
Cock body 140 is equipped in injection channel 113, to fill in when injecting reaction solution into multiple sample pools 111 by Loading channel 112
Body blocks second port 1122, to prevent reaction solution from flowing out from second port 1122, is injecting spacer body to Loading channel 112
When, cock body 140 opens wide second port 1122.
Wherein, injection channel 113 includes opening 1131, which is connected to outside, and second port 1122 is being injected
Channel 113 is connected to 1131 adjacent sides of opening with injection channel 113, and when cock body 140 blocks second port 1122, plug
The first subchannel 113a of formation is divided in injection channel 113 to body 140 and the second subchannel 113b, above-mentioned opening 1131 are set to
First subchannel 113a, so that cock body 140 is under the pushing effect of spacer body to the when by 1131 injection spacer body of opening
Two subchannel 113b are mobile, and then open wide second port 1122.
Optionally, cock body 140 is prepared for elastic material, such as rubber, and passes through the elastic reaction of the elastic material
With 113 tight fit of injection channel.
Optionally, card ontology 110a is additionally provided with exhaust outlet 114, and exhaust outlet 114 is connected to the second subchannel 113b, so that
Cock body 140 is obtained under the pushing effect of spacer body to when the second subchannel 113b movement, discharges the sky in the second subchannel 113b
Gas, when mobile to the second subchannel 113b to prevent detent plug body 140, so that the volume of the second subchannel 114b becomes smaller and leads to pressure
Become larger and causes the mobile difficult or immovable situation of cock body 140.
Optionally, card ontology 110a is additionally provided with multiple crafters 115, multiple crafters 115 respectively with multiple sample pools 111
Connection, when sample liquid and culture react, to accommodate the bubble that the two reaction generates.
Optionally, card ontology 110a is additionally provided with reinforcement part 116, which is set to the edge of card ontology 110a,
When for needing to transmit detection card 110 in other processes, the frictional force of detection card 110 with transmission mechanism is improved, than
As being placed on conveyer belt by will test card 110, when being transmitted by conveyer belt, detection card is can be improved in reinforcement part 116
Frictional force between 110 and conveyer belt, to improve efficiency of transmission.
Optionally, card ontology 110a is additionally provided with positioning region 117, and the positioning region 117 is in the detection process blocking detection
110 are positioned, and improve the positional accuracy of detection card, and then improve the accuracy of testing result.
Optionally, the quantity of the positioning region 117 is multiple and is location hole, in other embodiments, or positioning
Protrusion, the location hole can close to card ontology 110a edge be arranged, and run through card ontology 110a, the location hole can be include but
Rectangular opening, round hole for being not limited to etc..
Optionally, the detection card 110 in the present embodiment further includes seal body 110b, with multiple sample pools 111 and add
When at least one of sample channel 112 exposes to card ontology 110a, which is covered on card ontology 110a, with capping
At least one of multiple sample pools 111 and Loading channel 112, in the present embodiment, the quantity of seal body 110b are two,
Two seal body 110b are covered on card ontology 110a in the opposite two sides card ontology 110a.
It should be understood that when seal body 110b covers at least one of multiple sample pools 111 and Loading channel 112,
And when sample-adding pipe 130 is plugged in first port 1121, cock body 140 blocks second port 1122 or is injected by second port 1122
When spacer body, multiple sample pools 111 and Loading channel 112 are in sealing state.
Optionally, seal body 110b is transparent membrane, which is adhered to card ontology 110a, and concrete mode can adopt
The modes such as glue sticking, coating glue or double-sided adhesive are carried with transparent membrane.
It is jointly that the state that cover 202 forms seal chamber with sample stage 201 in Fig. 2 is shown refering to Fig. 2, Fig. 8 and Fig. 9, Fig. 8
It is intended to, Fig. 9 is the structural schematic diagram of cover 202 in Fig. 2, wherein cover 202 blocks 110 and sample cup 120 for being provide with detection,
And a seal chamber is formed with sample stage 201.
Optionally, in the present embodiment, cover 202 be used for be provide with sample stage 201 sample arm 2012 and with sample bottom
Plate 2011 abuts each other so that the support as shown in Figure 8 of sample bottom plate 2011 is set to cover 202, and then with the formation of cover 202
Above-mentioned seal chamber, sample arm 2012 and the detection card 110 being carried on sample arm 2012 and sample cup 120 are respectively positioned on
In the seal chamber.
Optionally, sealing element 202a is additionally provided between cover 202 and sample stage 201, in cover 202 and sample stage 201
When forming seal chamber, the sealing effect of seal chamber is improved.
Optionally, sealing element 202a is sealing foam or sealing rubber ring, and in the present embodiment, sealing element 202a is selected
Sealing rubber ring, the sealing rubber ring it is as shown in Figure 8 be embedded at cover 202.
Further, cover 202 is equipped with air inlet 2021, it is possible to understand that, the 2021 communication seals chamber of air inlet and cover
The exterior space of body 202.
Optionally, cover 202 is additionally provided with detection mouth 2022, the outside of the 2022 communication seals chamber of detection mouth and cover 202
Space.
Fig. 2, Fig. 3 and Fig. 8 are further regarded to, gas transmission mechanism 203 is connect by air inlet 2021 with cover 202, so that
When gas transmission mechanism 203 works, seal chamber and sample pool 111 form draught head, so that the reaction solution in sample cup 130 is close
It seals under the action of the draught head of chamber and sample pool 111, by being loaded 130 injecting sample pond 111 of pipe.
Optionally, which can be extraction sector, such as vacuum pump, or mechanism of supplying gas, for example give
Blower is illustrated in the present embodiment by taking gas transmission mechanism 203 is extraction sector as an example.
Specifically, the air in seal chamber is extracted out, when gas transmission mechanism 203 works at this point, the gas in sample pool 111
Pressure be greater than seal chamber in air pressure so that the air in sample pool 111 under the action of draught head by sample-adding pipe 130 into
Enter seal chamber and extracted out by gas transmission mechanism 203, so that seal chamber and sample pool 111 are in negative pressure state, when gas transmission mechanism
203 when not working, and the air outside cover 202 enters seal chamber, so that the air pressure in seal chamber is gone up, to be greater than sample pool
Air pressure in 111, at this point, the reaction solution in sample cup 120 is pressed under the action of the draught head of seal chamber and sample pool 111
To sample tube 130, and then injecting sample pond 111.
It should be understood that can directly supply gas into seal chamber when gas transmission mechanism 203 is wind pushing mechanism, so that sealing
Intracavitary air pressure is greater than the air pressure in sample pool 111, to form above-mentioned draught head.
Optionally, the sample charging mechanism 20 in the present embodiment further includes control valve 204, which is set to air inlet
It is connect at 2021 and with gas transmission mechanism 203, to be connected to gas transmission mechanism 203 and seal chamber when gas transmission mechanism 203 works, so that
Air in seal chamber can be extracted out or inject air into seal chamber by gas transmission mechanism 203, when gas transmission mechanism 203 does not work,
The exterior space of communication seals chamber and cover 202, so that the air outside cover 202 can enter the sky in seal chamber or seal chamber
The outside of gas discharge cover 202.
Optionally, control valve 204 is solenoid valve, and solenoid valve has multiple channels, for example in the present embodiment, can have
At least two channels, one of them can be connected to gas transmission mechanism 203 and seal chamber, another can communication seals chamber and cover 202
Exterior space, it is only necessary to which, according to the state whether gas transmission mechanism 203 works, switching uses channel.
Optionally, the sample charging mechanism 20 in the present embodiment further includes processor 205, processor 205 and gas transmission mechanism 203
And control valve 204 is electrically connected to issue corresponding control instruction, so that gas transmission mechanism 203 is opened according to corresponding control instruction
Begin or stop working, control valve 204 according to corresponding control instruction be connected to gas transmission mechanism 203 and seal chamber or communication seals chamber and
The exterior space of cover 202.
For example, when needing to be implemented the above-mentioned sample-adding work by the reaction solution injecting sample pond 111 in sample cup 120,
Processor 205 issues the first control instruction, and control valve 204 is connected to gas transmission mechanism 203 and seal chamber according to first control instruction,
And after control valve 204 is connected to gas transmission mechanism 203 and seal chamber, gas transmission mechanism 203 starts to work, and completes when gas transmission works
When, processor 205 issues the second control instruction, and gas transmission mechanism 203 stops working according to second control instruction, control valve 204
The then exterior space of communication seals chamber and cover 202.
Optionally, control valve 204 can be connected to gas transmission mechanism 203 and seal chamber, in this case, gas transmission in original state
Mechanism 203 can directly start to work according to the first control instruction, and after the completion of above-mentioned sample-adding work, processor issues third
Control instruction, control valve 204 is connected to gas transmission mechanism 203 and seal chamber according to the third control instruction, to be loaded next time
Work.
Optionally, the sample charging mechanism 20 in the present embodiment further includes the first detector 206, the first detector 206 and processing
Device 205 is electrically connected, for detecting the air pressure in seal chamber, so that testing result of the processor 205 according to the first detector 206
Issue corresponding control instruction.
For example, the first detector 206 detects that the air pressure in seal chamber reaches when gas transmission mechanism 203 carries out gas transmission work
To first threshold, processor 205 then issues the second above-mentioned control instruction according to the testing result, and gas transmission mechanism 203 then stops
Work, the exterior space of 204 communication seals chamber of control valve and cover 202.
Optionally, the first detector 206 can also the exterior space of 204 communication seals chamber of control valve and cover 202 it
Afterwards, the air pressure in seal chamber is detected, and when air pressure in seal chamber gos up or drops to second threshold, processor issues above-mentioned
Third control instruction.
Optionally, the first detector 206 is pressure sensor, this can pass through the detection mouth 2022 and sealing on cover 202
Chamber is connected to detect the air pressure in seal chamber.
It should be understood that above-mentioned first threshold and second threshold can be according to actually required settings, herein with no restrictions.
Fig. 2 and Fig. 8 is further regarded to, the sample charging mechanism 20 of the present embodiment further includes sample-adding driving mechanism 207, sample-adding driving
Mechanism 207 is connect with sample stage 201, to drive sample stage 201 to move to the first predeterminated position, so that cover 202 can be
First predeterminated position and sample stage 201 form seal chamber, and in the present embodiment, sample-adding driving mechanism 207 is driven in the horizontal direction
Dynamic sample stage 201 moves back and forth, and then moves to the first predeterminated position.
Optionally, sample-adding driving mechanism 207 include first motor 2071 and the first conveyer belt 2072, first motor 2071 with
First conveyer belt 2072 is connected to drive 2072 reciprocal transmission of the first conveyer belt, and sample stage 201 is connect with the first conveyer belt 2072,
So that the first conveyer belt 2072 drives sample stage 201 to move back and forth.
It should be understood that in the present embodiment, sample-adding driving mechanism 207 uses the driving method of motor driven conveyer belt,
In other embodiments, can also be using other driving methods, for example cylinder drives or the side of motor driven screw rod transmission
Formula, herein with no restrictions.
Optionally, sample-adding driving mechanism 207 further includes the first guide part 2073, sample stage 201 and the first guide part 2073
Connection, to be moved back and forth on the channeling direction of the first guide part 2073.
Optionally, the sample charging mechanism 20 in the present embodiment further includes the second detector 208, and the second detector 208 is for examining
Whether the movement position of test sample this TV station 201 moves to the first above-mentioned predeterminated position with judgement sample platform 201, to improve cover
202 with the accuracy of 201 sealing station of sample stage, prevent sample stage 201 do not move to the first predeterminated position and with cover
When body 202 forms seal chamber, the case where seal chamber cannot be fully sealed.
Optionally, the second detector 208 is infrared position sensor, naturally it is also possible to can detecte the biography of position for other
Sensor.
Optionally, the sample charging mechanism 20 in the present embodiment further include sealing driving mechanism 209, sealing driving mechanism 209 with
The connection of at least one of cover 202 or sample stage 201, to drive at least one of cover 202 or sample stage 201 to move,
So that cover 202 and sample stage 201 are close to each other, and then form seal chamber, in the present embodiment, driving mechanism is sealed
209 connect to drive cover 202 to move back and forth in the vertical direction with cover 202.
Optionally, sealing driving mechanism 209 includes lead screw motor 2091, namely in the present embodiment, lead screw motor 2091
It is rotated using motor driven screw rod, and then the driving method for driving cover 202 to move can also use in other embodiments
Other driving methods, such as the modes such as motor driven conveyer belt or cylinder driving.
Optionally, sealing driving mechanism 209 further includes the second guide part 2092, in cover 202 and sample stage 201 at least
One connect with the second guide part 2092, to move back and forth on the channeling direction of the second guide part 2092.
Optionally, sealing driving mechanism 209 further includes sealed support 2093, the sealed support 2093 and lead screw motor
2091 connections are to carry lead screw motor 2091.
Optionally, the sample charging mechanism 20 in the present embodiment further includes third detector 210, and third detector 210 is for examining
The movement position of at least one of cover 202 and sample stage 201 under the driving of sealing driving mechanism 209 is surveyed, to judge to cover
Whether at least one of body 202 and sample stage 201 move to the second predeterminated position, so that cover 202 is default second
Position and sample stage 21 form seal chamber, such as in the present embodiment, and sealing driving mechanism 209 is connect with cover 202, third inspection
Device 210 is surveyed i.e. for judging whether cover 202 moves to the second predeterminated position in the vertical direction, to move in cover 202
When the second predeterminated position, seal chamber can be formed with sample stage 201.
Optionally, the sample charging mechanism 20 in the present embodiment further includes Pipe Cutting detector 211.
Optionally, the sample charging mechanism 20 in the present embodiment further includes sample-adding bottom plate 212, and the sample-adding bottom plate 212 is for carrying
It is loaded driving mechanism 207.
0, Figure 11 and Figure 12, Figure 10 are the structural schematic diagrams of tube cutting mechanism 30 in Fig. 1 refering to fig. 1 jointly, and Figure 11 is Figure 10
The decomposition diagram of middle tube cutting mechanism 30, Figure 12 are the enlarged diagrams of the part D in Figure 10, wherein tube cutting mechanism 30 is set to
On the motion path of sample stage 201, with when being loaded the driving movement of sample stage 201 of driving mechanism 207, tube cutting mechanism 30 is cleavable
It is loaded pipe 130.
Specifically, after the reaction solution in sample cup 120 is by sample-adding 130 injecting sample pond 111 of pipe, sealing driving
Mechanism 209 drives cover 202 to be separated from each other with sample stage 201, and it is pre- that sample-adding driving mechanism 207 drives sample stage 201 to be detached from first
If position, thus during being loaded driving the first predeterminated position of disengaging of sample stage 201 of driving mechanism 207, tube cutting mechanism 30
Sample-adding pipe 130 can be cut.
Wherein, tube cutting mechanism 30 includes heating member 301 and cutting member 302, and heating member 301 is connect with cutting member 302, will
At least partly heat transfer that heating member 301 generates is to cutting member 302, so that the fever of cutting member 302 is to cut sample-adding pipe
130。
Optionally, heating member 301 is plugged in cutting member 302.
Optionally, heating member 301 can select heating rod, such as bimetal leaf mechanical temp controlled formula heating rod, thermistor
Detection control temperature type heating rod or by the long-range control rod of intelligent terminal etc., material can be selected glass, stainless steel, quartz or
Ceramics etc., in heating member 301 can integrated temperature detector, with the temperature of real-time monitoring heating member 301, so that cutting member
Temperature needed for 302 temperature reaches cutting.
Optionally, cutting member 302 can be processed into edge of a knife shape for the position of cutting, and to improve cutting efficiency, material can
Such as copper, the biggish material of aluminium thermal coefficient is selected to be prepared, to improve the efficiency for the heat for receiving heating member 301.
Optionally, above-mentioned sample-adding pipe 130 is plastic tube, while not influencing to be loaded work, reduces cutting difficulty, and
In cutting process, cutting member 302 after incision hot-melting sealed is cut sample-adding pipe namely plastic tube cutting when,
Under the temperature action of cutting member 302, in incision by hot-melting sealed.
Optionally, the tube cutting mechanism 30 in the present embodiment further includes heat preservation member 303, and heat preservation member 303 is sheathed on heating respectively
Part 301 and cutting member 302, with generated in heating member 301 at least partly heat transfer to cutting member 302 during, prevent
At least partly heat sheds, and reduces the loss of heat in transmittance process, improves the efficiency of cutting work.
Optionally, the opposite both ends of heat preservation member 303 are sheathed on heating member 301 and cutting member 302 respectively.
It is prepared it should be understood that the lesser material of thermal coefficient can be used in heat preservation member 303, such as phenol formaldehyde foam material
Material.
Optionally, the tube cutting mechanism 30 in the present embodiment further includes holding down assembly 304, and holding down assembly 304 is connected to heating
Part 301, so that the heating member 301 for being plugged in cutting member 302 is tightly attached to cutting member 302.
Wherein, hold down assembly 304 include compressing member 304a and elastic component 304b, elastic component 304b respectively with compressing member
304a and 301 elasticity of heating member abut, so that heating member 301 is tightly attached to cutting member under the elastic reaction of elastic component 304b
302, in the present embodiment, compressing member 304a is connect with heat preservation member 303,
Optionally, the tube cutting mechanism 30 in the present embodiment further includes attachment base 305, and attachment base 305 is for carrying heating member
301 and cutting member 302, in the present embodiment, heat preservation member 303 is arranged in attachment base 305, so that attachment base 305 passes through heat preservation
Part 303 carries heating member 301 and cutting member 302.
Jointly refering to fig. 1 and Figure 10, the pipe installation 10 in the present embodiment further includes Pipe Cutting driving mechanism 40, Pipe Cutting driving
Mechanism 40 is connect with tube cutting mechanism 30, so that tube cutting mechanism 30 moves to cleavable position.
Specifically, Pipe Cutting driving mechanism 40 is connect to drive tube cutting mechanism 30 to move back and forth, to add with tube cutting mechanism 30
When sample pipe 130 is not required to be cut, such as when carrying out liquid feeding work, tube cutting mechanism 30 is located at not cleavable position, when need
When to be cut, Pipe Cutting driving mechanism 40 just drives tube cutting mechanism 30 to move to cleavable position, and after the cut has been completed,
Driving tube cutting mechanism 30 is detached from cleavable position.
Optionally, Pipe Cutting driving mechanism 40 includes the second motor 401 and the second conveyer belt 402, the second motor 401 and second
Conveyer belt 402 is connected to drive 402 reciprocal transmission of the second conveyer belt, and the second conveyer belt 402 is connect with tube cutting mechanism 30, in this reality
It applies in example, the second conveyer belt 402 is connect with attachment base 305, to drive tube cutting mechanism 30 to move back and forth.
It should be understood that in this embodiment, Pipe Cutting driving mechanism 40 uses the driving method of motor driven conveyer belt, at it
It, can also be using other driving methods, such as motor driven screw rod or the mode of cylinder driving in his embodiment.
Optionally, Pipe Cutting driving mechanism 40 further includes third guide part 403, and third guide part 403 and tube cutting mechanism 30 connect
It connects, so that tube cutting mechanism 30 moves back and forth on the channeling direction of third guide part 403.
Optionally, Pipe Cutting driving mechanism 40 further includes Pipe Cutting bracket 404, which is used to carry above-mentioned the
Two motors 401, the second conveyer belt 402 and third guide part 403.
Further, when sample-adding driving mechanism 207 drives sample stage 201 to be detached from the first predeterminated position, so that pipe cutting machine
During structure 30 can cut sample-adding pipe 130, above-mentioned Pipe Cutting detector 211 is also used to detect the fortune of sample stage 201
Whether dynamic position, moved to by cutting position with judgement sample platform 201.
It is in contrast to the prior art, the application passes through gas transmission mechanism at work, so that seal chamber and sample pool shape
At draught head, so that the reaction solution in sample cup under the action of the draught head of seal chamber and sample pool, is managed by sample-adding
Injecting sample pond, compared with the prior art in by way of manually or mechanically arm liquid feeding, improve sample-adding efficiency, reduce into
This.
Above is only an example of the present application, it is not intended to limit the scope of the patents of the application, it is all to utilize this Shen
Please equivalent structure or equivalent flow shift made by specification and accompanying drawing content, be applied directly or indirectly in other relevant skills
Art field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of sample charging mechanism, which is characterized in that the sample charging mechanism includes:
Sample stage, for carrying detection card and sample cup, the detection is arranged with sample pool, the sample cup by sample-adding pipe with
The sample pool connection, the sample cup accommodate reaction solution；
Cover forms a seal chamber, and the cover for being provide with the detection card and the sample cup, and with the sample stage
Equipped with air inlet；
Gas transmission mechanism is connect by the air inlet with the cover, so that the reaction solution is in the seal chamber and described
Under the action of the draught head of sample pool, the sample pool is injected by the sample-adding pipe.
2. sample charging mechanism according to claim 1, which is characterized in that the sample charging mechanism further includes control valve, the control
Valve processed is set at the air inlet and connect with the gas transmission mechanism, to be connected to described defeated in gas transmission mechanism work
Mechanism of qi structure and the seal chamber are connected to the exterior space of the seal chamber and the cover when gas transmission mechanism does not work.
3. sample charging mechanism according to claim 2, which is characterized in that the sample charging mechanism further includes processor, the place
Device is managed with the gas transmission mechanism and control valve electrical connection to issue corresponding control instruction, the gas transmission mechanism is according to
Corresponding control instruction starts or stops work, and the control valve is connected to the gas transmission mechanism according to corresponding control instruction
And the exterior space of the seal chamber or the connection seal chamber and the cover.
4. sample charging mechanism according to claim 3, which is characterized in that the sample charging mechanism further includes the first detector, institute
The first detector is stated to be electrically connected with the processor and the air pressure for detecting the seal chamber so that the processor according to
The testing result of first detector issues corresponding control instruction.
5. sample charging mechanism according to claim 1, which is characterized in that the sample charging mechanism further includes sample-adding driving mechanism,
The sample-adding driving mechanism is connect with the sample stage, to drive the sample stage to move to the first predeterminated position, so that
The cover can form the seal chamber in first predeterminated position and the sample stage.
6. sample charging mechanism according to claim 1, which is characterized in that the sample charging mechanism further includes sealing driving mechanism,
The sealing driving mechanism is connect at least one of the cover and the sample stage, so that the cover and the sample
This TV station is close to each other, and then forms the seal chamber.
7. sample charging mechanism according to claim 6, which is characterized in that the sealing driving mechanism includes lead screw motor, institute
It states lead screw motor to connect at least one of cover and the sample stage, so that the cover and the sample stage are in screw rod
Extending direction on it is close to each other.
8. sample charging mechanism according to claim 5, which is characterized in that the sample charging mechanism further includes the second detector, institute
The second detector is stated for detecting the movement position of the sample stage to judge it is pre- whether the sample stage moves to described first
If position.
9. sample charging mechanism according to claim 6, which is characterized in that the sample charging mechanism further includes third detector, institute
Third detector is stated for detecting the movement position of at least one in the cover and the sample stage, with judge the cover and
Whether at least one in the sample stage moves to the second predeterminated position, so that the cover and the sample stage are described
Second predeterminated position forms the seal chamber.
10. a kind of sample analyser, which is characterized in that the sample analyser includes according to any one of claims 1 to 9
Sample charging mechanism.
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| CN201821612096.7U CN209417067U (en) | 2018-09-29 | 2018-09-29 | A kind of sample charging mechanism and sample analyser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821612096.7U CN209417067U (en) | 2018-09-29 | 2018-09-29 | A kind of sample charging mechanism and sample analyser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778869A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Sample detection device |
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2018
- 2018-09-29 CN CN201821612096.7U patent/CN209417067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114778869A (en) * | 2022-06-13 | 2022-07-22 | 深圳市帝迈生物技术有限公司 | Sample detection device |
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