CN110455787A - A kind of measuring chamber of chemiluminescent analyzer - Google Patents
A kind of measuring chamber of chemiluminescent analyzer Download PDFInfo
- Publication number
- CN110455787A CN110455787A CN201910887936.3A CN201910887936A CN110455787A CN 110455787 A CN110455787 A CN 110455787A CN 201910887936 A CN201910887936 A CN 201910887936A CN 110455787 A CN110455787 A CN 110455787A
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- measuring chamber
- liner
- needle
- waste liquid
- reaction cup
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- 239000007788 liquid Substances 0.000 claims abstract description 123
- 238000007789 sealing Methods 0.000 claims abstract description 83
- 239000002699 waste material Substances 0.000 claims abstract description 73
- 238000002347 injection Methods 0.000 claims abstract description 49
- 239000007924 injection Substances 0.000 claims abstract description 49
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000004580 weight loss Effects 0.000 claims description 4
- 230000002687 intercalation Effects 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0325—Cells for testing reactions, e.g. containing reagents
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention discloses a kind of measuring chambers of chemiluminescent analyzer, including measuring chamber lower casing, the measuring chamber upper casing being covered at the top of measuring chamber lower casing and the liner being loaded into the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, the liner rotates in the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, reaction cup card slot is provided on the liner, the reaction cup inlet and outlet for entering liner for reaction cup are provided on the measuring chamber upper casing, measuring chamber upper casing is connected with the waste liquid needle for being protected from light waste liquid in sealing syringe needle and extraction cup of the injection preexciting liquid of the reaction cup on liner and exciting liquid；Reaction cup inlet and outlet in the present invention above reaction cup measurement room enter liner, it is protected from light sealing structure and is protected from light sealing syringe needle, reached better detection light-shading effect, the waste liquid in waste liquid needle injects waste liquid fill orifice, it takes away again, has achieved the purpose that the bubble being discharged in waste liquid needle.
Description
Technical field
The invention belongs to chemiluminescence detector technical field, in particular to a kind of measuring chamber of chemiluminescent analyzer.
Background technique
In the prior art, chemiluminescence analysis don't fail to keep being to be protected from light ring inside measuring chamber when using measuring chamber
Border directly results in testing result inaccuracy if there is the phenomenon that light leakage, thus measuring chamber to be protected from light leakproofness particularly important；It is existing
Measuring chamber, the bottom of reaction cup measurement room enters, is not easy to observe and apply.
With the development of society, population base is constantly increasing, aging is being aggravated, and furthermore adds nowadays allegro life
Activating method is being continuously increased the medical treatment number of hospital, and the extracorporeal diagnostic instrument that many hospitals use now uses chemistry to send out substantially
The principle of light, the instrument of the principle are substantially using even cup assembly line form, are measured entering when small share detection project, past
Toward there is low efficiency, the problem of cost waste and fluctuation of service.
Summary of the invention
The present invention provides a kind of measuring chamber of chemiluminescent analyzer, to solve the problems of the prior art.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of measuring chamber of chemiluminescent analyzer, including measuring chamber lower casing are covered on the measuring chamber at the top of measuring chamber lower casing
Shell and the liner being loaded into the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, the liner is in measuring chamber lower casing and survey
Rotation in the cavity that room upper casing is constituted is measured, reaction cup card slot is provided on the liner, is provided with confession on the measuring chamber upper casing
Reaction cup enters the reaction cup inlet and outlet of liner, and measuring chamber upper casing is connected with the injection preexciting liquid of the reaction cup on liner and swashs
The waste liquid needle for being protected from light waste liquid in sealing syringe needle and extraction cup of lotion.
As a preferred embodiment, the position for being protected from light sealing syringe needle and being set to close photomultiplier tube on measuring chamber upper casing
It sets, the reaction cup inlet and outlet are set to the position on measuring chamber upper casing far from photomultiplier tube.
As a preferred embodiment, the external elevating mechanism of waste liquid needle, waste liquid needle passes through measuring chamber upper casing intercalation reaction
Waste liquid in cup in extraction cup；The sealing syringe needle that is protected from light is two, one of them is protected from light the sealing external preexciting of syringe needle
Liquid injection needle, preexciting liquid injection needle inject preexciting liquid into reaction cup, another is protected from light the external exciting liquid note of sealing syringe needle
Needle is penetrated, exciting liquid injection needle injects exciting liquid, the reaction cup inlet and outlet, preexciting liquid injection needle, exciting liquid into reaction cup
Injection needle, waste liquid needle are set gradually.
As a preferred embodiment, elevating mechanism includes longitudinally disposed rack gear, and one end connects rack gear, and other end connection is useless
The rack gear pressing plate of liquid needle, rack gear are engaged in motor-driven gear, and rack shaft set is arranged with outside rack gear, and motor-driven gear turns
Dynamic, band carry-over bar moves up and down, thus realize that rack gear pressing plate drives waste liquid needle to move up and down, the connection suction of waste liquid needle upper end
Liquid pump, waste liquid needle lower end pass through measuring chamber upper casing, and waste liquid or waste liquid the needle lower end protruded into reaction cup extraction cup are worn
Measuring chamber upper casing is crossed, waste liquid fill orifice is protruded into, the waste liquid in waste liquid needle is injected into waste liquid fill orifice, then the waste liquid of injection is taken out
It walks, it is therefore intended that the bubble in discharge waste liquid needle.
As a preferred embodiment, it is described be protected from light sealing syringe needle include upper injection head in setting up and down and inside and outside suit and
It is arranged in the suit connection wall of lower injection head, and the syringe needle positioned at lower injection head bottom, the upper injection head and lower injection head
There is three-level sealing structure, the three-level sealing structure includes top-down first order line connection sealing, and second level sealing ring is close
Envelope connects sealing with third level line.
As a preferred embodiment, the upper surface of the lower injection head is equipped with pilot hole, and the lower end of the upper injection head is
Assembly rail, the Assembly rail are assemblied in pilot hole, and the Assembly rail is provided with first order line connection sealing and the from bottom to top
The connection sealing of three-level line, the Assembly rail upper and lower ends diameter at the connection sealing of first order line are gradually reduced, and are located at the second level
Assembly rail upper and lower ends diameter at line connection sealing is gradually reduced, and the second level sealing ring is sealed into be connected positioned at first order line
Connect the second level sealing ring between sealing and the connection sealing of second level line；Assembly shank diameter at the first order line connection sealing
Less than the assembly shank diameter at third level grade line connection sealing.
As a preferred embodiment, the syringe needle and the syringe axle center eccentric setting in upper injection head and lower injection head, from
Syringe needle injects wall of cup in the exciting liquid autoreaction cup in reaction cup and flows into reaction cup；The upper surface of the upper injection head is provided with
For connecting preexciting liquid syringe or exciting the syringe pilot hole of liquid syringe, and it is arranged on the hole wall of syringe pilot hole
There is screw thread.
As a preferred embodiment, the sense channel communicated with inside it, the light are provided on the measuring chamber lower casing
Sense channel is inserted into one end of electric multiplier tube.
As a preferred embodiment, the contact position of the photomultiplier tube and sense channel, which is provided with, is protected from light sealing structure.
As a preferred embodiment, the sealing structure that is protected from light includes being set in photomultiplier tube to protrude into one in sense channel
Being protected from light of end be tightly connected ring and being installed on be protected from light be tightly connected ring both ends in be protected from light sealing ring and be protected from light sealing ring outside.
As a preferred embodiment, it is further sleeved with outside the photomultiplier tube and is plugged in exterior seal ring outside and sense channel
Outside is protected from light sealing ring.
As a preferred embodiment, the sealed connection ring that is protected from light is assemblied on the outer wall of sense channel by screw；Institute
It states and is protected from light the outer end face that sealing ring is assemblied in sense channel by screw.
As a preferred embodiment, it is provided at the detection mouth that the sense channel is communicated with the inner cavity of measuring chamber lower casing anti-
Protecting lens, protection glass fit in the end face that photomultiplier tube protrudes into sense channel.
As a preferred embodiment, the material for being protected from light sealed connection ring is aluminium alloy.
As a preferred embodiment, magnetic isolation plate is provided with outside the photomultiplier tube.
As a preferred embodiment, counter is provided with outside the photomultiplier tube, the counter is installed by screw
In outside measuring chamber lower casing.
As a preferred embodiment, measuring chamber upper casing lower surface is provided with bulb plunger, and the liner upper surface is set
It is equipped with the positioning bead to match with bulb plunger position and shape, the bulb plunger applies downward pressure to positioning bead.
As a preferred embodiment, it is provided with lightening hole from top to bottom on the liner, is provided with from bottom to top on liner
Several weight loss grooves, the lightening hole be blind hole.
As a preferred embodiment, top-down waste liquid fill orifice is additionally provided on the liner, waste liquid fill orifice is
Blind hole.
As a preferred embodiment, measuring chamber lower casing bottom is provided with motor axis hole, and the shaft of first motor passes through
Motor axis hole connects and the liner in measuring chamber lower casing is driven to rotate.
As a preferred embodiment, the measuring chamber lower casing inner bottom surface is provided with optocoupler, and the liner outer bottom is provided with
Several optocoupler baffles.
Compared with prior art, the invention has the following advantages:
In the present invention above reaction cup measurement room reaction cup inlet and outlet is measured into liner, be located at photomultiplier tube with
The contact position of measuring chamber sense channel, which is provided with, is protected from light sealing structure, and preexciting liquid and exciting liquid are all made of and are protected from light needle seal
Head, has reached better detection light-shading effect, and waste liquid needle lower end passes through measuring chamber upper casing, waste liquid fill orifice protruded into, by waste liquid needle
In waste liquid inject waste liquid fill orifice, then the waste liquid of injection is taken away, has achieved the purpose that the bubble being discharged in waste liquid needle.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of elevating mechanism in the present invention；
Fig. 3 is the structural schematic diagram that sealing structure is protected from light in the present invention；
Fig. 4 is partial structural diagram of the invention；
Fig. 5 is the lower surface schematic diagram of measuring chamber upper casing in the present invention；
Fig. 6 is the structural schematic diagram at liner visual angle from top to bottom in the present invention；
Fig. 7 is the structural schematic diagram at liner visual angle from bottom to top in the present invention；
Fig. 8 is the structural schematic diagram of measuring chamber lower casing in the present invention；
Fig. 9 is the structural schematic diagram that sealing syringe needle is protected from light in the present invention；
Figure 10 is the sectional view that sealing syringe needle is protected from light in the present invention；
Wherein: 801- measuring chamber lower casing, 802- measuring chamber upper casing, 803- liner, 804- reaction cup card slot, 805- reaction cup,
806- reaction cup inlet and outlet, 807- are protected from light sealing syringe needle, 808- waste liquid needle, 809- sense channel, 810- photomultiplier tube, 811-
Bulb plunger, 812- positioning bead, 813- lightening hole, 814- weight loss groove, 815- waste liquid fill orifice, 816- motor axis hole, 817-
One motor, 818- shaft, 819- optocoupler, 820- optocoupler baffle, the upper injection head of 821-, injection head under 822-, 823- syringe needle, 824-
The connection sealing of first order line, the sealing of the second level 825- sealing ring, the connection sealing of 826- third level line, 827- pilot hole, 828- dress
With bar, 829- syringe pilot hole, 830- elevating mechanism, 831- rack gear, 832- rack gear pressing plate, 833- gear, the second electricity of 834-
Machine, 835- magnetic isolation plate, 836- counter, 837- are protected from light sealing ring, and 838- is protected from light sealed connection ring, is protected from light sealing ring in 839-,
Sealing ring, 841- protection glass are protected from light outside 840-.
Specific embodiment
Below with reference to embodiment, the present invention will be further explained.
As Figure 1-10 shows, a kind of measuring chamber of chemiluminescent analyzer, including measuring chamber lower casing 801, are covered on measurement
The measuring chamber upper casing 802 at 801 top of room lower casing and the cavity for being loaded into measuring chamber lower casing 801 and the composition of measuring chamber upper casing 802
Interior liner 803, the liner 803 rotate in the cavity that measuring chamber lower casing 801 and measuring chamber upper casing 802 are constituted, described interior
It is provided with reaction cup card slot 804 on gallbladder 803, is provided on the measuring chamber upper casing 802 and enters liner 803 for reaction cup 805
Reaction cup inlet and outlet 806, measuring chamber upper casing 802 are connected with the injection preexciting liquid of the reaction cup 805 on liner 803 and exciting liquid
Be protected from light sealing syringe needle 807 and extraction cup 805 in waste liquid waste liquid needle 808.
The 802 lower surface center of measuring chamber upper casing is provided with bulb plunger 811, in 803 upper surface of liner
Heart position is provided with the positioning bead 812 to match with 811 position of bulb plunger and shape, and the bulb plunger 811 is to positioning bead
812 apply downward pressure.101 bottom of measuring chamber lower casing is provided with motor axis hole 816, the shaft 818 of first motor 817
It is connected by motor axis hole 816 and the liner 803 in measuring chamber lower casing 801 is driven to rotate.In the measuring chamber lower casing 801
Bottom surface is provided with optocoupler 819, and 803 outer bottom of liner is provided with several optocoupler baffles 820.It is arranged on the liner 803
There are lightening hole 813 from top to bottom, the lightening hole 813 is blind hole, several weight loss grooves from bottom to top are provided on liner 803
814。
As a preferred embodiment, the sealing syringe needle 807 that is protected from light is two, one of them is protected from light outside sealing syringe needle 807
Preexciting liquid injection needle is connect, preexciting liquid injection needle injects preexciting liquid into reaction cup 805, another is protected from light sealing syringe needle
807 external exciting liquid injection needles, exciting liquid injection needle inject exciting liquid into reaction cup 805, the reaction cup inlet and outlet 806,
Preexciting liquid injection needle, exciting liquid injection needle, waste liquid needle 808 are set gradually, and the sealing syringe needle 807 that is protected from light is set to measurement
Close to the position of photomultiplier tube 810 on room upper casing 802, the reaction cup inlet and outlet 806 are set on measuring chamber upper casing 802 remote
Position from photomultiplier tube 810.
In particular, the sealing syringe needle 807 that is protected from light includes the upper injection head 821 in setting up and down and inside and outside suit under
Injection head 822, and the syringe needle 823 positioned at lower 822 bottom of injection head, the suit of the upper injection head 821 and lower injection head 822
Three-level sealing structure is provided in connection wall, the three-level sealing structure includes top-down first order line connection sealing 824,
Second level sealing ring sealing 825 connects sealing 826 with third level line.
Further, the upper surface of the lower injection head 822 is equipped with pilot hole 827, and the lower end of the upper injection head 821 is
Assembly rail 828, the Assembly rail 828 are assemblied in pilot hole 827, and the Assembly rail 828 is provided with first order line from bottom to top
Connection sealing 824 connects sealing 826 with third level line, and 828 upper and lower ends of Assembly rail at the connection sealing of first order line are straight
Diameter is gradually reduced, and the 828 upper and lower ends diameter of Assembly rail at the connection sealing of second level line is gradually reduced, and the second level is close
Seal sealing 825 is the second level sealing ring between first order line connection sealing 824 and second level line connection sealing 826；
828 diameter of Assembly rail at the first order line connection sealing is less than 828 diameter of Assembly rail at third level grade line connection sealing.
Further, the syringe needle 823 and the syringe axle center eccentric setting in upper injection head 821 and lower injection head 822, from
Syringe needle 823 injects wall of cup in the exciting liquid autoreaction cup 805 in reaction cup 805 and flows into reaction cup；The upper injection head 821
Upper surface is provided with for connecting preexciting liquid syringe or exciting the syringe pilot hole 829 of liquid syringe, and syringe fills
Screw thread is provided on the hole wall of distribution 829.
Further, a syringe can be set in the lower injection head also can be set multiple syringes, with 2 needles in figure
For cylinder as signal, each syringe bottom connects a syringe needle, the syringe axle center in the syringe needle and upper injection head and lower injection head
Eccentric setting flows into reaction cup from wall of cup in the exciting liquid autoreaction cup in syringe needle injection reaction cup；The upper injection head
Upper surface is provided with the excitation liquid syringe pilot hole for connecting excitation liquid syringe, and excites the hole of liquid syringe pilot hole
Screw thread is provided on wall.
In particular, the external elevating mechanism 830 of the waste liquid needle 808, waste liquid needle wears 808 and crosses the insertion of measuring chamber upper casing 802
Waste liquid in reaction cup 805 in extraction cup 805；Top-down waste liquid fill orifice is additionally provided on the liner 803
815, waste liquid fill orifice 815 is blind hole, and waste liquid needle 808 can protrude into waste liquid fill orifice 815, by the waste liquid in waste liquid needle 808
Waste liquid fill orifice 815 is injected, then waste liquid is pumped into waste liquid needle 808 again, it is therefore intended that the gas of waste liquid in discharge waste liquid needle 808
Bubble.
Further, the elevating mechanism 830 includes that longitudinally disposed rack gear 831 connects rack gear 813, the other end with one end
The rack gear pressing plate 832 of waste liquid needle 808 is connected, rack gear 831 is engaged in the gear 833 of the second motor 834 driving, 831 housing of rack gear
Equipped with rack gear axle sleeve, the second motor 834 drives gear 833 to rotate, and band carry-over bar 831 moves up and down, to realize rack gear pressing plate
832 drive waste liquid needle 808 to move up and down, and 808 upper end of the waste liquid needle connection suction liquid pump, 808 lower end of waste liquid needle passes through
Measuring chamber upper casing 802, and protrude into reaction cup 805, the waste liquid or 808 lower end of waste liquid needle in extraction cup 805 pass through measurement
Room upper casing 802 protrudes into waste liquid fill orifice 815, and the waste liquid in waste liquid needle 808 is injected waste liquid fill orifice 815, then giving up injection
Liquid is taken away, it is therefore intended that the bubble in discharge waste liquid needle 808.
As a preferred embodiment, the sense channel 809 communicated with inside it is provided on the measuring chamber lower casing 801,
Sense channel 809, the contact position of the photomultiplier tube 810 and sense channel 809 are inserted into one end of the photomultiplier tube 810
It is provided with and is protected from light sealing structure, counter 836 is provided with outside the photomultiplier tube 810, the counter 836 is pacified by screw
Outside loaded on measuring chamber lower casing 801, magnetic isolation plate 835 is provided with outside the photomultiplier tube 810, it is therefore intended that isolation motor generates
Electromagnetism.
In particular, the sealing structure that is protected from light includes being set in photomultiplier tube 810 to protrude into one end in sense channel 809
Be protected from light be tightly connected ring 838 and being installed on be protected from light be tightly connected 838 both ends of ring in be protected from light sealing ring 839 and be protected from light outside close
Seal 840.
Further, it is further sleeved with outside the photomultiplier tube 810 and is plugged in 840 outside of exterior seal ring and sense channel
809 outsides are protected from light sealing ring 837, and described be protected from light is tightly connected the outer wall that ring 838 is assemblied in sense channel 809 by screw
On；The outer end face for being protected from light sealing ring 937 and being assemblied in sense channel 809 by screw, the sense channel 809 and measuring chamber
Protection glass 841 is provided at the detection mouth that the inner cavity of lower casing 801 communicates, protection glass 841 fits in photomultiplier tube 810 and stretches
Enter the end face of sense channel 809.Preferably, the material for being protected from light sealed connection ring 839 is aluminium alloy.
Further, it in order to reach better light-shading effect, is set at the reaction cup inlet and outlet 806 of measuring chamber upper casing 802
It is equipped with the cover board of reaction cup inlet and outlet, but during the test of measuring chamber, it is found that the cover board has no influence to measurement result, it is real
It only needs to keep on border to be protected from light in the measuring chamber lower casing 801 at sense channel, therefore is provided with is protected from light sealing structure here,
In order to reach better light-shading effect be provided be protected from light sealing syringe needle.
The principle that the present invention is protected from light: since the measuring chamber in chemiluminescent analyzer needs to work under conditions of being protected from light,
The component that photomultiplier tube is external on measuring chamber lower casing as one, therefore in the junction of photomultiplier tube and measuring chamber lower casing
Provided with sealing structure is protected from light, wherein the sealing ring for being protected from light sealed connection ring and its both ends of aluminum alloy material, blocks photoelectricity
The gap of the junction of multiplier tube and measuring chamber lower casing has prevented the phenomenon that light enters from gap in measuring chamber lower casing, this
Outside in order to preferably play light-shading effect, the sealing syringe needle that is protected from light on measuring chamber upper casing is provided with three-level sealing structure, effectively
Ground avoid light from be protected from light sealing syringe needle in enter measuring chamber lower casing in.
The course of work of the invention is as follows: the reaction cup inlet and outlet above reaction cup measurement room enter liner and are surveyed
Amount, liner rotate in the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, when reaction cup is rotated to photomultiplier tube, instead
It answers cup to be located at first to be protected from light under sealing syringe needle, first preexciting liquid (acid) is injected in reaction cup, continues to rotate to second and keep away
Light seals under syringe needle, and exciting liquid (alkali) is injected in reaction cup, and photomultiplier tube measures the reaction solution in reaction cup, surveys
After amount, reaction cup is rotated to waste liquid needle, and waste liquid needle extracts the waste liquid in reaction cup out, and reaction cup continues to rotate to anti-
A glass import and export is answered, finally reaction cup is taken out and is abandoned.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of measuring chamber of chemiluminescent analyzer, including measuring chamber lower casing, the measuring chamber being covered at the top of measuring chamber lower casing
Upper casing and the liner being loaded into the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, which is characterized in that the liner exists
It is rotated in the cavity that measuring chamber lower casing and measuring chamber upper casing are constituted, is provided with reaction cup card slot, the measuring chamber on the liner
The reaction cup inlet and outlet for entering liner for reaction cup are provided on upper casing, measuring chamber upper casing is connected with the note of the reaction cup on liner
Enter the waste liquid needle of waste liquid in the syringe needle and extraction cup of preexciting liquid and exciting liquid.
2. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: set on the measuring chamber lower casing
It is equipped with the sense channel communicated with inside it, sense channel is inserted into one end of the photomultiplier tube.
3. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: the external lifting of waste liquid needle
Mechanism, waste liquid needle pass through the waste liquid in measuring chamber upper casing intercalation reaction cup in extraction cup；Inject preexciting liquid and exciting liquid
Syringe needle be to be protected from light sealing syringe needle, and being protected from light sealing syringe needle is two, one of them is protected from light sealing syringe needle external preexciting liquid note
Needle is penetrated, preexciting liquid injection needle injects preexciting liquid into reaction cup, another is protected from light the sealing external exciting liquid injection needle of syringe needle,
Exciting liquid injection needle injects exciting liquid, the reaction cup inlet and outlet, the injection of preexciting liquid injection needle, exciting liquid into reaction cup
Needle, waste liquid needle are set gradually.
4. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: the sealing syringe needle that is protected from light is set
It is placed in the position on measuring chamber upper casing close to photomultiplier tube, the reaction cup inlet and outlet are set on measuring chamber upper casing far from light
The position of electric multiplier tube.
5. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: the photomultiplier tube and inspection
The contact position for surveying channel, which is provided with, is protected from light sealing structure.
6. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: the measuring chamber upper casing following table
Face is provided with bulb plunger, and the liner upper surface is provided with the positioning bead to match with bulb plunger position and shape, described
Bulb plunger applies downward pressure to positioning bead.
7. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: be provided on the liner certainly
It goes up and lower lightening hole, several weight loss grooves from bottom to top is provided on liner, the lightening hole is blind hole.
8. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: be additionally provided on the liner
Top-down waste liquid fill orifice, waste liquid fill orifice are blind hole.
9. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: measuring chamber lower casing bottom
It is provided with motor axis hole, the shaft of first motor is connected by motor axis hole and the liner in measuring chamber lower casing is driven to revolve
Turn.
10. the measuring chamber of chemiluminescent analyzer according to claim 1, it is characterised in that: in the measuring chamber lower casing
Bottom surface is provided with optocoupler, and the liner outer bottom is provided with several optocoupler baffles.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113324981A (en) * | 2021-06-04 | 2021-08-31 | 吴文华 | Full-automatic chemiluminescent inspection device |
| CN113341165A (en) * | 2021-08-09 | 2021-09-03 | 苏州长光华医生物医学工程有限公司 | Light-avoiding mechanism of measuring chamber motion module |
| WO2022110575A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州长光华医生物医学工程有限公司 | Luminescence measurement device and method capable of continuous measurement of multiple reaction cups |
| WO2022110574A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州长光华医生物医学工程有限公司 | Liquid injection and suction device for measurement chamber |
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| WO2022110575A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州长光华医生物医学工程有限公司 | Luminescence measurement device and method capable of continuous measurement of multiple reaction cups |
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| CN113324981A (en) * | 2021-06-04 | 2021-08-31 | 吴文华 | Full-automatic chemiluminescent inspection device |
| CN113324981B (en) * | 2021-06-04 | 2023-11-07 | 吴文华 | Chemiluminescence full-automatic inspection device |
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| CN113341165B (en) * | 2021-08-09 | 2021-11-05 | 苏州长光华医生物医学工程有限公司 | Light-avoiding mechanism of measuring chamber motion module |
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