CN207380063U - Cleaning device and sample analyser - Google Patents
Cleaning device and sample analyser Download PDFInfo
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- CN207380063U CN207380063U CN201720374809.XU CN201720374809U CN207380063U CN 207380063 U CN207380063 U CN 207380063U CN 201720374809 U CN201720374809 U CN 201720374809U CN 207380063 U CN207380063 U CN 207380063U
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Abstract
The utility model discloses a kind of cleaning device and sample analyser, which includes：Transfer unit, injection needle and aspirating needle；Wherein, the station of station of the aspirating needle in transfer unit and injection needle in transfer unit is different.Cleaning device disclosed in the utility model realizes the different station of imbibition and fluid injection in transfer unit and completes, that is fluid injection and imbibition is independent of each other, reduce the residence time needed for station residing for aspirating needle and injection needle, so as to reduce waste of time, scavenging period is shortened, and then improves cleaning efficiency；Meanwhile can correspondingly increase the magnet adsorption time in Magneto separate cleaning process, clean separating effect convenient for improving.
Description
Technical field
The utility model is related to vitro diagnostic techniques field, more specifically to a kind of cleaning device and sample analysis
Instrument.
Background technology
In in-vitro diagnosis field, the Magneto separate process of chemiluminescence immune assay needs to use cleaning device.Specifically, adopt
The fluid injection into reaction cup with injection needle, then mixing, magnetic bead is adsorbed in magnetic field and is siphoned away using aspirating needle useless in reaction cup
Liquid to remove the impurity and distracter on magnetic bead, realizes the cleaning separation of magnetic bead.
In existing cleaning device, aspirating needle and injection needle are disposed proximate to side by side, i.e., aspirating needle and injection needle are in magnetic point
From same station, fluid injection and imbibition complete in same station, then the residence time needed for the reaction cup of the station is longer.Magneto separate
With multiple stations, cause the reaction cup of other stations also to stop longer time, cause scavenging period longer so that cleaning
It is less efficient.
In addition, aspirating needle and injection needle are driven by same driving mechanism, it is necessary to according to aspirating needle and the position of injection needle
The same driving mechanism of control is put, causes kinetic control system complex.
In addition, aspirating needle needs to reach carries out imbibition below the liquid level in reaction cup, liquid can adhere in imbibition process
On aspirating needle outer wall.In order to avoid cross contamination, often completing an imbibition just needs to clean aspirating needle outer wall, causes
Cleaning efficiency is relatively low.
In conclusion how to design cleaning device, to shorten scavenging period, cleaning efficiency is improved, is current this field skill
Art personnel's urgent problem to be solved.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of cleaning device, to shorten scavenging period, improves cleaning effect
Rate.The another object of the utility model is to provide a kind of sample analyser with above-mentioned cleaning device.
In order to achieve the above object, the utility model provides following technical solution：
A kind of cleaning device, including：Transfer unit, aspirating needle and injection needle；Wherein, the aspirating needle is in the transfering department
Station of the station with the injection needle in the transfer unit on part is different.
Preferably, the aspirating needle and injection needle composition cleaning group；The cleaning group at least two；Adjacent two
In a cleaning group, the injection needle of a cleaning group is adjacent with the aspirating needle of cleaning group another described.
Preferably, the cleaning device further includes the imbibition plate being vertically distributed and fluid injection plate；
Wherein, the injection needle is fixed on the fluid injection plate, and the aspirating needle is arranged at the imbibition plate, the imbibition plate
The imbibition needle movement is driven, the fluid injection strip moves the fluid injection needle movement.
Preferably, the aspirating needle is arranged on the imbibition plate movably in a vertical direction；The cleaning device further includes
The snubber elastomeric part that can vertically deform, the both ends of the snubber elastomeric part respectively with the imbibition plate and the imbibition
Pin is connected；The outer wall fixing sleeve of the aspirating needle is equipped with imbibition installation set, and the imbibition plate is equipped with step mounting hole, the step
The macropore in hole is located at the top of the aperture of the stepped hole, and the imbibition installation set and the macropore slip of the step mounting hole are matched somebody with somebody
It closes；The snubber elastomeric part is connected by the imbibition installation set with the aspirating needle.
Preferably, the one side of the imbibition installation set is equipped with support otic placode, and the imbibition plate is equipped with limiting plate, the buffering
The both ends of elastic component are connected respectively with the limiting plate and the support otic placode.
Preferably, the imbibition plate is along aspirating needle described in the circumferential /V of the aspirating needle, and the fluid injection plate is along the note
Injection needle described in the circumferential /V of liquid pin.
Preferably, the inclined-plane that the bottom surface of the aspirating needle is obliquely installed for the axis with the aspirating needle, the aspirating needle
Pin hole be located on the inclined-plane；
Or, the bottom surface of the aspirating needle is equipped with groove, the pin hole of the aspirating needle is located at the slot bottom of the groove.
Preferably, the transfer unit is transfer board, and the transfer board is provided with for the putting hole of placing response cup, institute
Putting hole is stated to be multiple and along the circumferentially distributed of the transfer board.
Preferably, the cleaning device further includes：
Negative-pressure cup, the aspirating needle are connected with the negative-pressure cup with using the negative-pressure liquid suction of the negative-pressure cup；
Gas-water separation surge tank, the aspirating needle are connected with the negative-pressure cup by the gas-water separation surge tank；
Wherein, the negative-pressure cup passes through negative pressure main line and the inlet communication of the gas-water separation surge tank, the negative pressure
Negative pressure control valve is serially connected on main line；The orifice of the aspirating needle and the gas-water separation surge tank；The air water point
From being serially connected with waste liquid control valve on the drain pipe of surge tank.
Based on the cleaning device of above-mentioned offer, the utility model additionally provides a kind of sample analyser, the sample analyser
Including cleaning device, the cleaning device is the cleaning device described in above-mentioned any one.
Cleaning device provided by the utility model by the different station that is arranged on aspirating needle and injection needle in transfer unit,
It realizes imbibition and fluid injection to complete in different stations, i.e. fluid injection and imbibition is independent of each other, and reduces aspirating needle and injection needle institute
Locate the residence time needed for station, so as to reduce waste of time, shorten entire scavenging period, and then improve cleaning effect
Rate.
Meanwhile cleaning device provided by the utility model, reduce the stop needed for station residing for aspirating needle and injection needle
Time then can correspondingly increase the magnet adsorption time in Magneto separate cleaning process, and separating effect is cleaned convenient for improving.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
The embodiment of type, for those of ordinary skill in the art, without creative efforts, can also be according to carrying
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the structure diagram for the cleaning device that the utility model embodiment provides；
Fig. 2 is the negative-pressure liquid suction schematic diagram of aspirating needle in the cleaning device that the utility model embodiment provides；
Fig. 3 is the part-structure schematic diagram of aspirating needle in the cleaning device that the utility model embodiment provides；
Fig. 4 is the structure diagram that negative pressure provides device in the cleaning device that the utility model embodiment provides；
Fig. 5 is the part-structure schematic diagram for the sample analyser that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, the cleaning device that the utility model embodiment provides, including：Transfer unit, injection needle 8 and suction
Liquid pin 2；Wherein, the station of station of the aspirating needle 2 in transfer unit and injection needle 8 in transfer unit is different.
It should be noted that transfer unit realizes the transfer of reaction cup for carrying reaction cup 11.Have in transfer unit
Station residing for multiple stations, aspirating needle 2 and injection needle 8 is different.For the motion mode of injection needle 8 and aspirating needle 2, according to reality
Border needs to be designed, as long as can ensure that aspirating needle 2 completes imbibition and injection needle 8 completes fluid injection.
The cleaning device that the utility model embodiment provides is by the way that aspirating needle 2 and injection needle 8 are arranged in transfer unit
Different station realizes imbibition and fluid injection and is completed in different stations, i.e. fluid injection and imbibition is independent of each other, so as to reduce imbibition
Residence time residing for pin 2 and injection needle 8 needed for station, compared with the prior art, reduce waste of time, so as to shorten
Entire scavenging period, and then improve cleaning efficiency.
Meanwhile the cleaning device that the utility model embodiment provides reduces needed for station residing for aspirating needle 2 and injection needle 8
Residence time, then can correspondingly increase the magnet adsorption time in Magneto separate cleaning process, convenient for improve clean separating effect.
Preferably, in above-mentioned cleaning device, aspirating needle 2 and injection needle 8 form cleaning group；In cleaning group, aspirating needle 2 and note
The magnet adsorption station of Magneto separate cleaning is separated between liquid pin 8.Certainly, also can be according in actual selection cleaning group, aspirating needle 2
It is disposed adjacent with injection needle 8, it is not limited to above-described embodiment.
In order to further improve cleaning performance, cleaning group at least two；In two connected cleaning groups, a cleaning group
Injection needle 8 it is adjacent with the aspirating needle 2 of another cleaning group.
Specifically, the station in transfer unit is circumferentially distributed along its, i.e. the week of aspirating needle 2 and injection needle 8 along transfer unit
To alternate setting.
Further, aspirating needle 2 and injection needle 8 are two, three or four.Certainly, can also be selected according to actual conditions
The number for selecting aspirating needle 2 and injection needle 8 is other, it is not limited to this.
Preferably, above-mentioned cleaning device further includes the imbibition plate 3 being vertically distributed and fluid injection plate 1；Wherein, fluid injection
Pin 8 is fixed on fluid injection plate 1, and aspirating needle 2 is arranged at imbibition plate 3, and imbibition plate 3 drives aspirating needle 2 to move, and fluid injection plate 1 drives fluid injection
Pin 8 moves.
Above-mentioned cleaning device, facilitates driving injection needle 8 and aspirating needle 2 moves；When aspirating needle 2 and injection needle 8 extremely
It it is less two, all aspirating needles 2 are arranged on same imbibition plate 3, and all injection needles 8 are fixed on same fluid injection plate 1
On, at this point, decreasing driving mechanism, simplify the structure of entire cleaning device.
Meanwhile above-mentioned fluid injection plate 1 drives injection needle 8 to move to complete fluid injection, then when needing fluid injection, can suitably adjust note
The relative position of liquid pin 8 and reaction cup 11, to avoid in injection process cleaning solution splash to the outside of reaction cup 11, improve
Fluid injection effect.It for the relative position of fluid injection plate 1 and imbibition plate 3, can be designed according to actual needs, for example, fluid injection plate 1
In the bottom of imbibition plate 3, at this point, fluid injection plate 1 has the through hole passed through for aspirating needle 2 and/or allows bit architecture；Or fluid injection plate 1
In the top of imbibition plate 3, at this point, imbibition plate 3 has the through hole passed through for injection needle 8 and/or allows bit architecture.For the ease of setting
Put, prioritizing selection the former, i.e., above-mentioned fluid injection plate 1 is located at the bottom of imbibition plate 3.
In above-mentioned cleaning device, fluid injection plate 1 and imbibition plate 3 relatively independent can move, and can also be synchronized with the movement.
When fluid injection plate 1 and imbibition 3 relatively independent movement of plate, fluid injection plate 1 and imbibition plate 3 are carried out by different driving mechanisms
Driving, specifically, imbibition driving mechanism driving imbibition plate 3 move that aspirating needle 2 is driven to move, the driving fluid injection of fluid injection driving mechanism
Plate 1 moves that injection needle 8 is driven to move.Fluid injection driving mechanism and imbibition driving mechanism are relatively independent, i.e., imbibition driving mechanism is driven
Dynamic aspirating needle 2 has no effect on fluid injection driving mechanism driving injection needle 8 and moves when moving, fluid injection driving mechanism driving injection needle 8 is transported
It has no effect on imbibition driving mechanism driving aspirating needle 2 when dynamic to move, in this way, imbibition driving machine can be controlled according to 2 position of aspirating needle
Structure controls fluid injection driving mechanism, compared with the prior art according to two state modulators, one driving mechanism phase according to the position of injection needle 8
Than being effectively simplified kinetic control system.
When fluid injection plate 1 and imbibition plate 3 are synchronized with the movement, fluid injection plate 1 and imbibition plate 3 are driven by same driving mechanism.
The time by 8 fluid injection of the time of 2 imbibition of aspirating needle and injection needle is needed to stagger at this time, for example, aspirating needle 2 and injection needle 8 are every
A station stops 12 seconds, then injection needle 8 carries out fluid injection in first 3 seconds of 12 seconds, and aspirating needle 2 carries out in latter 3 seconds in 12 seconds
Imbibition, then the centre in 12 seconds 6 seconds driven for driving mechanism to setting position.
In the example above, the time is only limitted to illustrate, and is not limited in actual application described by above-described embodiment
Time.
In imbibition process, aspirating needle 2 is easier to touch reaction cup 11 when dropping to the bottom of reaction cup 11, in order to avoid inhaling
Liquid pin 2 is damaged when touching reaction cup 11, and prioritizing selection aspirating needle 2 is arranged on imbibition plate 3 movably in a vertical direction；It is above-mentioned
Cleaning device further includes the snubber elastomeric part 4 that can vertically deform, the both ends of the snubber elastomeric part 4 respectively with imbibition plate
3 are connected with aspirating needle 2.
Specifically, after above-mentioned aspirating needle 2 touches reaction cup 11, aspirating needle 2 is subject to the active force of reaction cup 11, the effect
Power is vertical direction and upward active force, and under the action of snubber elastomeric part 4, aspirating needle 2 vertically moves up, real
Aspirating needle 2 is showed and has declined the bottom buffering imbibition visited to reaction cup 11, so as to reduce touching between aspirating needle 2 and reaction cup 11
Power is hit, is damaged so as to avoid aspirating needle 2 when touching reaction cup 11, extends the service life of aspirating needle 2.
In above-mentioned cleaning device, in order to ensure that imbibition plate 3 drives aspirating needle 2 to move, it is desirable that aspirating needle 2 and imbibition plate 3 are not
It can separate.Aspirating needle 2 is arranged on imbibition plate 3 movably in a vertical direction, then shows that imbibition plate 3 has position limiting structure, the /V
Structure limitation aspirating needle 2 is separated with imbibition plate 3.
Further, the outer wall fixing sleeve of above-mentioned aspirating needle 2 is equipped with imbibition installation set 6, and imbibition plate 3 is installed equipped with step
Hole, the macropore of stepped hole are located at the top of the aperture of stepped hole, and imbibition installation set 6 and the macropore of step mounting hole are slidably matched；
Snubber elastomeric part 4 is connected by imbibition installation set 6 with aspirating needle 2.It is understood that imbibition installation set 6 can be slided along its axial direction
Dynamicly in the macropore of step mounting hole.
In above-mentioned cleaning device, the step surface of step mounting hole realizes the axial limiting to aspirating needle 2, snubber elastomeric part
4 also achieve the /V to aspirating needle 2, avoid aspirating needle 2 and are separated with imbibition plate 3.
Above-mentioned snubber elastomeric part 4 can be arranged on bottom, top or the one side of imbibition installation set 6.In order to reduce volume, reduce
The space occupied, prioritizing selection snubber elastomeric part 4 are located at the one side of imbibition installation set 6.
Specifically, the one side of imbibition installation set 6 is equipped with support otic placode 7, and imbibition plate 3 is equipped with limiting plate 5, snubber elastomeric part 4
Both ends respectively with limiting plate 5 and support otic placode 7 be connected.It is understood that snubber elastomeric part 4 can abut phase with limiting plate 5
Even, can also be fixedly linked；Snubber elastomeric part 4 is connected with supporting otic placode 7 that can abut, and can also be fixedly linked.
Above-mentioned support otic placode 7 can be located at the bottom of limiting plate 5 or the top of limiting plate 5, with specific reference to actual needs
It makes choice, the utility model embodiment does not limit this.
Above-mentioned limiting plate 5 can be an integral structure with imbibition plate 3 or split structure, carries out according to actual needs
Design.
Above-mentioned snubber elastomeric part 4 can be spring, can be rubber parts or other elastic components, the utility model embodiment is to it
Type does not limit.
Preferably, circumferential /V aspirating needle 2 of the imbibition plate 3 along aspirating needle 2, fluid injection plate 1 are noted along the circumferential /V of injection needle 8
Liquid pin 8.In this way, aspirating needle 2 and injection needle 8 is avoided to rotate.
Further, aspirating needle 2 is equipped with imbibition locating part, and imbibition plate 3 is equipped with imbibition position limiting structure, passes through imbibition /V knot
The circumferential /V imbibition locating part of structure along aspirating needle 2 realizes circumferential /V aspirating needle 2 of the imbibition plate 3 along aspirating needle 2；Injection needle 8
Equipped with fluid injection locating part, fluid injection plate 1 is equipped with fluid injection position limiting structure, is noted by fluid injection position limiting structure along the circumferential /V of injection needle 8
Liquid locating part realizes circumferential /V injection needle 8 of the fluid injection plate 1 along injection needle 8.
For the concrete shape and size of imbibition locating part, imbibition position limiting structure, fluid injection locating part and fluid injection position limiting structure,
It is designed according to actual needs, the utility model embodiment does not do this specifically defined.
Specifically, when the one side of imbibition installation set 6 is equipped with support otic placode 7, support otic placode 7 as imbibition locating part, imbibition
Position limiting structure is limiting slot.
For the ease of installing injection needle 8, above-mentioned cleaning device further includes the fluid injection installation set 9 that fixing sleeve is arranged on injection needle 8,
Injection needle 8 is fixed on fluid injection plate 1 by fluid injection installation set 9.
Specifically, fluid injection installation set 9 is fixedly connected with injection needle 8, and fluid injection installation set 9 is fixedly connected with fluid injection plate 1.In order to
Facilitate installation, above-mentioned fluid injection installation set 9 is fixed on fluid injection plate 1 by retainer ring 10.
Certainly, fluid injection installation set 9 can also be fixed on fluid injection plate 1 by other fixed forms, such as pass through screw-threaded coupling side
Formula, compression mode etc., it is not limited to above-described embodiment.
When injection needle 8 is equipped with fluid injection locating part, prioritizing selection fluid injection installation set 9 is fluid injection locating part.
In above-mentioned cleaning device, since injection needle 8 is different with station residing for aspirating needle 2, in order to simplify driving mechanism, preferentially
Select injection needle 8 opposite with the reaction cup 11 of its residing station, aspirating needle 2 is opposite with the reaction cup 11 of its residing station, at this point,
Above-mentioned imbibition driving mechanism driving aspirating needle 2 is vertically moving, and fluid injection driving mechanism driving injection needle 8 is vertically transported
It is dynamic.
It is understood that injection needle 8, in injection process, injection needle 8 is located at the rim of a cup of reaction cup 11, not with reaction
Liquid contact in cup 11 and reaction cup 11.
Above-mentioned imbibition driving mechanism only drives aspirating needle 2 is vertically moving aspirating needle 2 can be made to complete imbibition, fluid injection
Driving mechanism only drives injection needle 8 is vertically moving injection needle 8 can be made to complete fluid injection, needs to drive note compared with the prior art
Liquid pin 8 is moved along both direction with aspirating needle 2 and compared, and is effectively simplified the structure of driving mechanism, also simplifies motion control system
System.
For the concrete structure of fluid injection driving mechanism and imbibition driving mechanism, can make choice according to actual needs, such as
Screw drive mechanism, rack and pinion drive mechanism, belt gear etc..In order to improve kinematic accuracy, prioritizing selection imbibition is driven
Motivation structure and fluid injection driving mechanism are screw drive mechanism.
Specifically, imbibition driving mechanism is imbibition screw drive mechanism, and imbibition screw drive mechanism includes：Imbibition leading screw,
With the imbibition nut of imbibition threads of lead screw cooperation, the imbibition motor 21 of driving imbibition leading screw rotation limits imbibition nut rotation
Imbibition slide 24.Above-mentioned imbibition slide 24 lifts support plate 22 by imbibition and supports.
The top of above-mentioned imbibition lifting support plate 22 is equipped with physics /V, to prevent imbibition nut from skidding off imbibition leading screw.
Fluid injection driving mechanism is fluid injection screw drive mechanism, and fluid injection screw drive mechanism includes：Fluid injection leading screw, with fluid injection silk
The fluid injection nut of thick stick thread fitting, the fluid injection motor 23 of driving fluid injection leading screw rotation, the fluid injection slide of limitation fluid injection nut rotation.
Above-mentioned fluid injection slide lifts support plate by fluid injection and supports.
Preferably, the fluid injection nut of fluid injection screw mechanism is connected by fluid injection lifter plate 27 with fluid injection plate 1, imbibition leading screw machine
The imbibition nut of structure is connected by imbibition lifter plate 28 with imbibition plate 3.
For the ease of realizing that injection needle 8 and aspirating needle 2 reset, above-mentioned cleaning device further includes：Imbibition sensor 25 and note
Liquid sensor 26；Wherein, imbibition sensor 25 is connected with the imbibition driving part of imbibition driving mechanism and for controlling aspirating needle 2
Move to upper limit and lower limit；Fluid injection sensor 26 is connected with the fluid injection driving part of fluid injection driving mechanism and for controlling note
Liquid pin 8 moves to upper limit and lower limit.
It is understood that the upper limit of aspirating needle 2, refers to 2 accessibility extreme higher position of aspirating needle；Under aspirating needle 2
/V refers to 2 accessibility extreme lower position of aspirating needle.The upper limit of injection needle 8 refers to 8 accessibility extreme higher position of injection needle；
The lower limit of injection needle 8 refers to 8 accessibility extreme lower position of injection needle.
Certainly, physics position limiting structure or motor pulses amount also may be selected aspirating needle 2 to be controlled to move to upper limit and lower limit
Position, injection needle 8 move to upper limit and lower limit, it is not limited to the control mode described in above-described embodiment.
In above-mentioned cleaning device, aspirating needle 2 and injection needle 8 are stainless pin, to ensure service life.Certainly, also may be used
Select the pin of aspirating needle 2 and injection needle 8 or other materials, it is not limited to above-described embodiment.
In order to further optimize above-mentioned technical proposal, in above-mentioned cleaning device, aspirating needle 2 is located at liquid level in reaction cup 11
Top, i.e. aspirating needle 2 are not contacted with the liquid in reaction cup 11.It should be noted that aspirating needle 2 is in imbibition state and non-imbibition
During state, aspirating needle 2 is always positioned at the top of liquid level in reaction cup 11.
Above-mentioned cleaning device, in imbibition process, for 2 one side imbibition of aspirating needle while decline, the outer wall of aspirating needle 2 will not be with
Liquid level contacts, and avoids cross contamination, so as to no longer need to clean the outer wall of aspirating needle 2, saves the time, further improves clear
Wash efficiency.
Further, the distance of liquid level of the bottom of aspirating needle 2 away from reaction cup 11 is 5-10mm.It certainly, also can be according to drive
The type of drive of dynamic imbibition, selects the distance of liquid level of the bottom of aspirating needle 2 away from reaction cup 11 as other numerical value, it is not limited to
Above-described embodiment.
Preferably, the inclined-plane that the bottom surface of above-mentioned aspirating needle 2 is obliquely installed for the axis with aspirating needle 2, the pin hole of aspirating needle 2
On inclined-plane；Or, the bottom surface of aspirating needle 2 is equipped with groove 29, the pin hole of aspirating needle 2 is located at the slot bottom of groove 29, such as Fig. 3 institutes
Show.In this way, facilitate exhaustion waste liquid.
The axis of aspirating needle 2 has angle with inclined-plane, which is more than zero degree and less than 90 degree.The axis of aspirating needle 2 with
The size of the angle on inclined-plane, is designed according to actual needs, and the utility model embodiment does not limit this.Above-mentioned groove 29
Size and shape, be also designed, this also do not limited according to actual needs herein.
Preferably, in above-mentioned cleaning device, transfer unit is transfer board, and transfer board is provided with for placing response cup 11
Putting hole, the putting hole are multiple and along the circumferentially distributed of transfer board.It is understood that injection needle 8 and aspirating needle 2 correspond to
Different putting holes.
For the ease of picking and placeing reaction cup 11 and reducing the volume of transfer board, in the centre-to-centre spacing transfer board of above-mentioned putting hole
The distance of the heart is more than the distance at the edge of the medium spacing transfer board of above-mentioned putting hole.Further, above-mentioned putting hole, which is located at, transfers
The edge of disk.
For the ease of the movement of control transhipment disk, above-mentioned putting hole is uniformly distributed along the circumferential direction of transfer board.
Above-mentioned transfer unit can move along a straight line, also rotatable.In order to reduce occupied space, prioritizing selection transfers rotatable
Ground is set.When transfer unit is transfer board, transfer board is rotatably arranged.Certainly, transfer unit also may be selected to tie for other
Structure, it is not limited to which transfer board, the utility model embodiment do not limit this.
In order to accelerate imbibition, above-mentioned cleaning device further includes negative-pressure cup, and aspirating needle 2 connects to use negative-pressure cup with negative-pressure cup
Negative-pressure liquid suction.Certainly, pump base part driving 2 imbibition of aspirating needle also may be selected, it is not limited to above-described embodiment.
For the ease of imbibition, above-mentioned cleaning device further includes gas-water separation surge tank 15, and aspirating needle 2 passes through gas with negative-pressure cup
Water separation surge tank 15 connects；Wherein, negative-pressure cup is born by negative pressure main line 13 and the inlet communication of gas-water separation surge tank 15
Negative pressure control valve 12 is serially connected on pressure main line 13；The orifice of aspirating needle 2 and gas-water separation surge tank 15；On drain pipe 16
It is serially connected with waste liquid control valve 17.
It is understood that gas-water separation surge tank 15 have import, interface and drain pipe with gas-water separation surge tank
15 cavity volume connection.The interface of gas-water separation surge tank 15 is corresponded with aspirating needle 2, for the ease of connection, aspirating needle 2 and gas
The interface of water separation surge tank 15 is connected by negative pressure branch pipe 14.
In particular it is required that during imbibition, open negative pressure control valve 12, the negative pressure that negtive-pressure implement generates by negative pressure main line 13,
Import enters gas-water separation surge tank 15, then provides negative pressure to aspirating needle 2 through interface, aspirating needle 2 will be useless under suction function
Liquid is drawn in gas-water separation surge tank 15, when drain is needed, opens waste liquid control valve 17, waste liquid is discharged through drain pipe 16.
In order to facilitate the installation of, above-mentioned gas-water separation surge tank 15, negtive-pressure implement are mounted on negative pressure holder 18.
The import of above-mentioned gas-water separation surge tank 15 and interface are arranged on the top of gas-water separation surge tank 15, and air water point
Interface at least two from surge tank 15, and the interface of gas-water separation surge tank 15 be distributed in gas-water separation surge tank 15 into
The periphery of mouth.
Based on the cleaning device that above-described embodiment provides, the utility model embodiment additionally provides a kind of sample analyser,
The sample analyser includes cleaning device, which is the cleaning device described in above-described embodiment.
Since the cleaning device that above-described embodiment provides has above-mentioned technique effect, the sample that the utility model embodiment provides
This analyzer has above-mentioned cleaning device, then the sample analyser that the utility model embodiment provides also has corresponding technology effect
Fruit repeats no more herein.
As shown in figure 5, above-mentioned sample analyser mainly includes：Place position 19, mounting post 20, cleaning device；Wherein, place
Transfer unit is equipped in storehouse 19, transfer unit is used to carry reaction cup 11 and reaction cup 11 is driven to move；Place position 19 passes through peace
Dress column 20 supports, and is mounted on in-vitro diagnosis equipment using mounting post 20；2 equal position of injection needle 8 and aspirating needle in cleaning device
In the top of place position 19.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or using the utility model.
A variety of modifications of these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent most wide scope.
Claims (9)
1. a kind of cleaning device, which is characterized in that including：Transfer unit, aspirating needle and injection needle；Wherein, the aspirating needle exists
Station of the station with the injection needle in the transfer unit in the transfer unit is different；
The cleaning device further includes the imbibition plate being vertically distributed and fluid injection plate；
Wherein, the injection needle is fixed on the fluid injection plate, and the aspirating needle is arranged at the imbibition plate, and the imbibition strip is moved
The imbibition needle movement, the fluid injection strip move the fluid injection needle movement.
2. cleaning device according to claim 1, the aspirating needle and injection needle composition cleaning group, the cleaning group
At least two；In two adjacent cleaning groups, the injection needle of a cleaning group and another described cleaning
The aspirating needle of group is adjacent.
3. cleaning device according to claim 1, which is characterized in that the aspirating needle is arranged on movably in a vertical direction
The imbibition plate；The cleaning device further includes the snubber elastomeric part that can vertically deform, the snubber elastomeric part
Both ends are connected respectively with the imbibition plate and the aspirating needle.
4. cleaning device according to claim 3, which is characterized in that the outer wall fixing sleeve of the aspirating needle is pacified equipped with imbibition
Encapsulation, the imbibition plate are equipped with step mounting hole, and the macropore of the stepped hole is located at the top of the aperture of the stepped hole, described
Imbibition installation set and the macropore of the step mounting hole are slidably matched；The snubber elastomeric part passes through the imbibition installation set and institute
Aspirating needle is stated to be connected；The one side of the imbibition installation set is equipped with support otic placode, and the imbibition plate is equipped with limiting plate, the buffering elastic
Property part both ends respectively with the limiting plate and it is described support otic placode be connected.
5. cleaning device according to claim 1, which is characterized in that circumferential /V of the imbibition plate along the aspirating needle
The aspirating needle, the fluid injection plate is along injection needle described in the circumferential /V of the injection needle.
6. cleaning device according to claim 1, which is characterized in that the bottom surface of the aspirating needle is and the aspirating needle
The inclined-plane that axis is obliquely installed, the pin hole of the aspirating needle are located on the inclined-plane；
Or, the bottom surface of the aspirating needle is equipped with groove, the pin hole of the aspirating needle is located at the slot bottom of the groove.
7. cleaning device according to claim 1, which is characterized in that the transfer unit be transfer board, the transfer board
It is provided with for the putting hole of placing response cup, the putting hole is multiple and along the circumferentially distributed of the transfer board.
8. according to the cleaning device described in any one in claim 1-7, which is characterized in that further include：
Negative-pressure cup, the aspirating needle are connected with the negative-pressure cup with using the negative-pressure liquid suction of the negative-pressure cup；
Gas-water separation surge tank, the aspirating needle are connected with the negative-pressure cup by the gas-water separation surge tank；
Wherein, the negative-pressure cup passes through negative pressure main line and the inlet communication of the gas-water separation surge tank, the negative pressure supervisor
Road is serially connected with negative pressure control valve；The orifice of the aspirating needle and the gas-water separation surge tank；The gas-water separation is delayed
It rushes on the drain pipe of tank and is serially connected with waste liquid control valve.
9. a kind of sample analyser, including cleaning device, which is characterized in that the cleaning device is as appointed in claim 1-8
Cleaning device described in meaning one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374809.XU CN207380063U (en) | 2017-04-11 | 2017-04-11 | Cleaning device and sample analyser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374809.XU CN207380063U (en) | 2017-04-11 | 2017-04-11 | Cleaning device and sample analyser |
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| CN207380063U true CN207380063U (en) | 2018-05-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550761A (en) * | 2019-01-08 | 2019-04-02 | 东软威特曼生物科技（沈阳）有限公司 | The anticollision cleaning device of reaction cup |
| WO2020041923A1 (en) * | 2018-08-27 | 2020-03-05 | 深圳迎凯生物科技有限公司 | Cleaning method and sample analysis method |
| CN112858664A (en) * | 2021-01-14 | 2021-05-28 | 烟台信达威医疗科技有限公司 | Cleaning device of chemiluminescence immunoassay analyzer |
| CN112881367A (en) * | 2019-11-29 | 2021-06-01 | 深圳市新产业生物医学工程股份有限公司 | Cleaning module, sample analyzer with same and cleaning method |
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2017
- 2017-04-11 CN CN201720374809.XU patent/CN207380063U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020041923A1 (en) * | 2018-08-27 | 2020-03-05 | 深圳迎凯生物科技有限公司 | Cleaning method and sample analysis method |
| CN109550761A (en) * | 2019-01-08 | 2019-04-02 | 东软威特曼生物科技（沈阳）有限公司 | The anticollision cleaning device of reaction cup |
| CN109550761B (en) * | 2019-01-08 | 2024-05-24 | 东软威特曼生物科技（沈阳）有限公司 | Anticollision belt cleaning device of reaction cup |
| CN112881367A (en) * | 2019-11-29 | 2021-06-01 | 深圳市新产业生物医学工程股份有限公司 | Cleaning module, sample analyzer with same and cleaning method |
| CN112881367B (en) * | 2019-11-29 | 2024-02-27 | 深圳市新产业生物医学工程股份有限公司 | Cleaning module, sample analyzer with same and cleaning method |
| CN112858664A (en) * | 2021-01-14 | 2021-05-28 | 烟台信达威医疗科技有限公司 | Cleaning device of chemiluminescence immunoassay analyzer |
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