CN219512265U - Sampling needle mounting structure and sample analyzer - Google Patents
Sampling needle mounting structure and sample analyzer Download PDFInfo
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- CN219512265U CN219512265U CN202320353754.XU CN202320353754U CN219512265U CN 219512265 U CN219512265 U CN 219512265U CN 202320353754 U CN202320353754 U CN 202320353754U CN 219512265 U CN219512265 U CN 219512265U
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- sampling needle
- mounting
- optical coupler
- opposite
- needle mounting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a sampling needle mounting structure and a sample analyzer, comprising a mounting substrate and a monitoring mechanism, wherein the monitoring mechanism comprises an opposite-irradiation optical coupler transmitting end and an opposite-irradiation optical coupler receiving end, a zero position sensing area is formed between the opposite-irradiation optical coupler transmitting end and the opposite-irradiation optical coupler receiving end, a first mounting position and a second mounting position are further arranged on the mounting substrate, the opposite-irradiation optical coupler transmitting end is arranged at the corresponding first mounting position, the opposite-irradiation optical coupler receiving end is arranged at the corresponding second mounting position, a sampling needle mounting assembly is movably arranged on the mounting substrate, and the sampling needle mounting assembly can be inserted into or far away from the zero position sensing area. The utility model has the beneficial effects that the risk that the correlation optical coupler moves along with the moving structure in the vertical direction to cause damage is solved on the basis of realizing the function of confirming the zero position of the sampling needle in the vertical direction.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a sampling needle mounting structure and a sample analyzer.
Background
The sampling needle in the analyzer can carry out motion sampling along the axis of the sampling needle in work, the relative position of the sampling needle and the swab has great influence on the sampling result, so that the zero position of the sampling needle needs to be corrected frequently, the zero position of the sampling needle running in the vertical direction in the current market sampling needle installation assembly is judged and confirmed by adopting a groove-type optocoupler, but the groove-type optocoupler moves along with the motion structure of the sampling needle installation assembly in the vertical direction, and because the volume of the groove-type optocoupler is larger, the groove-type optocoupler occupies a larger space, and the groove-type optocoupler is easy to loose or collide in the long-term motion process, so that the damage is caused.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a sampling needle mounting structure and a sample analyzer, which are used for solving the technical problem that a slot-type optocoupler moves along with a movement structure of a sampling needle mounting assembly in a vertical direction in the prior art.
To achieve the above and other related objects, the present utility model provides a sampling needle mounting structure comprising:
the mounting substrate is also provided with a first mounting position and a second mounting position;
the monitoring mechanism comprises an opposite-emission optical coupler transmitting end and an opposite-emission optical coupler receiving end, an induction area is formed between the opposite-emission optical coupler transmitting end and the opposite-emission optical coupler receiving end, the opposite-emission optical coupler transmitting end is installed at a first installation position, and the opposite-emission optical coupler receiving end is installed at a second installation position;
the sampling needle mounting assembly is movably arranged on the mounting substrate, and the sampling needle mounting assembly can enter and exit the sensing area.
Optionally, the emission end of the correlation optical coupler and the receiving end of the correlation optical coupler are arranged on two sides of the axial moving track of the sampling needle, and do not move along with the mounting structure of the sampling needle, so that the damage of the emission end of the correlation optical coupler and the receiving end of the correlation optical coupler in the moving process is avoided.
Optionally, the movement track of the sampling needle mounting assembly intersects the sensing region.
Optionally, the sampling needle mounting structure further comprises an adjusting mechanism, the adjusting mechanism comprises a horizontal sliding unit and a vertical sliding unit, the vertical sliding unit is mounted at the movable end of the horizontal sliding unit, and the sampling needle mounting assembly is mounted at the movable end of the vertical sliding unit.
Optionally, the vertical sliding unit includes an adjusting base plate and a mounting seat, the mounting seat is slidably disposed on the adjusting base plate along a vertical direction, and the adjusting base plate is slidably disposed at a movable end of the horizontal sliding unit.
Optionally, the sampling needle mounting assembly includes a needle mount fixedly disposed on the mounting and configured to fixedly mount a sampling needle.
Optionally, the sampling needle mounting assembly further comprises an insulation block, and the needle seat is mounted at the movable end of the vertical sliding unit through the insulation block.
Optionally, the sampling needle mounting assembly further comprises a trigger bracket mounted on the mounting base, the trigger bracket being configured to extend into or away from the sensing region.
Optionally, the horizontal sliding unit comprises a first sliding rail, a first sliding block is further arranged on the side face of the adjusting substrate, and the adjusting substrate is arranged on the first sliding rail in a sliding manner through the first sliding block.
Optionally, the vertical sliding unit includes a second sliding rail, and the mounting seat is slidably disposed on the second sliding rail.
Optionally, the mounting substrate is further provided with a first driving device, and the first driving device is used for driving the adjusting substrate to reciprocate.
Optionally, a second driving device is further arranged on the adjusting substrate, and the second driving device is used for driving the mounting seat to reciprocate.
Optionally, the sampling needle mounting assembly further comprises a filter mounted on the mount.
Optionally, two spring pieces which are arranged opposite to each other are further arranged on the mounting seat, and the filter is clamped between the two spring pieces.
Optionally, the mounting substrate is further provided with a wire baffle, the wire baffle is close to the sensing area, and the wire baffle is used for shielding the wire harness.
Optionally, there is also provided a sample analyzer, characterized in that: the sampling needle mounting structure comprises the sampling needle mounting structure.
As described above, the sampling needle mounting structure and the sample analyzer have the following beneficial effects: on the basis of realizing the function of confirming the zero point position of the sampling needle in the vertical direction, the risk that the correlation optocoupler moves along with the moving structure in the vertical direction to cause damage is solved.
Drawings
FIG. 1 is a schematic view of a mounting structure at a first viewing angle according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a mounting structure at a second view angle according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a mounting structure at a third view angle according to an embodiment of the present utility model;
fig. 4 is a schematic view of a mounting structure at a fourth view angle according to an embodiment of the present utility model.
Description of the part reference numerals
1. Mounting substrate
1a second slide rail
2. Emission end of correlation optocoupler
3. Correlation optocoupler receiving end
4. Adjusting substrate
4a first slide rail
5. Mounting base
6. Needle stand
7. Insulating block
8. Trigger support
9. Filter device
10. Wire baffle
11. Sampling needle
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
Please refer to fig. 1 to 4. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1 to 4, fig. 1 is a schematic view of a mounting structure of the present utility model, and referring to fig. 1, the present utility model provides a sampling needle mounting structure and a sample analyzer, including:
a mounting substrate 1, wherein a first mounting position and a second mounting position are further arranged on the mounting substrate 1;
the monitoring mechanism comprises an opposite-emission optical coupler transmitting end 2 and an opposite-emission optical coupler receiving end 3, an induction area is formed between the opposite-emission optical coupler transmitting end 2 and the opposite-emission optical coupler receiving end 3, the opposite-emission optical coupler transmitting end 2 is arranged at a first installation position, and the opposite-emission optical coupler receiving end 3 is arranged at a second installation position;
the sampling needle mounting assembly is movably arranged on the mounting substrate 1, and the sampling needle mounting assembly can enter and exit the sensing area.
Illustratively, during the sampling process, when the sampling needle 11 stretches along the axial direction of the sampling needle, the optical coupler transmitting end 2 and the optical coupler receiving end 3 monitor the zero position of the sampling needle 11 and the zero position and the initial position of the sampling needle 11 by using the sensing area.
After the sampling needle 11 is mounted and fixed, the sampling needle is slidably disposed on the mounting substrate 1, so as to monitor whether the sampling needle 11 is located within the monitoring range of the sensing area.
It should be noted that, when the emission end 2 and the receiving end 3 of the correlation optical coupler are fixed on the mounting substrate 1, they will not displace with the mounting structure of the sampling needle 11, so as to reduce the volume of the mounting structure of the sampling needle 11, and the circuit will not be fatigued due to long-term change of the position, so as to reduce the probability of loosening and damage.
By way of example, the opposite-irradiation optical coupler transmitting end 2 and the opposite-irradiation optical coupler receiving end 3 are arranged on two sides of the axial movement track of the sampling needle 11, and do not move along with the installation structure of the sampling needle 11, so that the situation that the opposite-irradiation optical coupler transmitting end 2 and the opposite-irradiation optical coupler receiving end 3 are damaged in the movement process is avoided.
In an exemplary embodiment of the utility model, the active trajectory of the sampling needle mounting assembly intersects the sensing region.
It should also be noted that the needle mount assembly triggers monitoring of the needle during movement each time it enters the sensing region.
In an exemplary embodiment of the present utility model, the sampling needle mounting structure further includes an adjustment mechanism including a horizontal sliding unit and a vertical sliding unit mounted at a movable end of the horizontal sliding unit, and the sampling needle mounting assembly is mounted at a movable end of the vertical sliding unit.
It should be noted that the sampling needle mounting structure includes a horizontal sliding unit and a vertical sliding unit, which are used for adjusting the position of the sampling needle mounting structure on the mounting substrate 1.
It should be noted that the sampling needle mounting structure carries out position adjustment through the horizontal sliding unit and the vertical sliding unit, can realize diversified sampling work.
In an exemplary embodiment of the present utility model, the vertical sliding unit includes an adjustment base plate 4 and a mount 5, the mount 5 is slidably disposed on the adjustment base plate 4 along a vertical direction, and the adjustment base plate 4 is slidably disposed at a movable end of the horizontal sliding unit.
Still to explain, in this scheme, utilize mount pad 5 and regulation base plate 4 to realize diversified regulation respectively, wherein regulation base plate 4 still provides the fixed position of sampling needle installation component for sampling needle installation component can remove along with regulation base plate 4.
In an exemplary embodiment of the present utility model, the sampling needle mounting assembly includes a needle hub 6, the needle hub 6 being fixedly disposed on the mounting 5 and adapted for fixedly mounting a sampling needle 11.
It should also be noted that the sampling needle 11 is fixed by the needle mount 6 to achieve mounting and to ensure stability of the sampling needle during movement.
It should be noted that, the material of the needle seat 6 is an aluminum alloy material, which has high strength while reducing weight, so as to ensure that the breakage is not easy to occur when the sampling needle 11 is installed.
In an exemplary embodiment of the present utility model, the sampling needle mounting assembly further includes an insulation block 7, and the needle hub 6 is mounted at the movable end of the vertical sliding unit through the insulation block 7.
It should be noted that the needle stand 6 is also provided with an insulating block 7 for meeting the use requirement of a small space structure and having stronger mechanical strength and corrosion resistance.
It should be noted that the insulating block 7 is made of plastic material, so that the insulating requirement can be met, the insulation between the sampling needle and the ground is ensured, and the problem of abnormal testing caused by other units of the analyzer is solved.
In an exemplary embodiment of the utility model, the sampling needle mounting assembly further comprises a trigger support 8, the trigger support 8 being mounted on the mounting base 5, the trigger support 8 being adapted to extend into or away from the sensing region.
In the up-and-down movement process of the sampling needle 11, the trigger sensing area is realized by the trigger bracket 8, so that the zero position can be detected as in the sampling needle mounting structure when the sampling needle 11 is not mounted.
It should be noted that the trigger support 8 is fixed to the movable end of the vertical sliding unit, and keeps up and down synchronous operation with the sampling needle mounting structure.
In an exemplary embodiment of the present utility model, the horizontal sliding unit includes a first sliding rail 1a, a first sliding block is further disposed on a side surface of the adjusting substrate 4, and the adjusting substrate 4 is slidably disposed on the first sliding rail 1a through the first sliding block.
It should be further noted that, the sliding of the adjusting substrate 4 on the mounting substrate 1 is limited by the first sliding rail 1a, so that the sliding direction of the adjusting substrate 4 is realized by the cooperation of the first sliding block and the first sliding rail 1 a.
It should be noted that, the first sliding rail 1a is horizontally disposed, and its length direction is perpendicular to the length direction of the sampling needle 11, and is responsible for providing the horizontal direction adjustment of the sampling needle 11.
In an exemplary embodiment of the present utility model, the vertical sliding unit includes a second sliding rail 4a, and the mounting seat 5 is slidably disposed on the second sliding rail 4 a.
It should be further noted that the mounting seat 5 is slidably disposed on the second sliding rail 4a, the sliding direction of the mounting seat 5 is limited by the second sliding rail 4a, and the adjusting direction of the mounting structure of the sampling needle is realized by the cooperation of the mounting seat 5 and the second sliding rail 4 a.
It should be noted that the second sliding rail 4a is vertically disposed, and its length direction is parallel to the length direction of the sampling needle 11, and is responsible for providing the vertical direction adjustment of the sampling needle 11.
In an exemplary embodiment of the present utility model, the mounting substrate 1 is further provided with a first driving device, and the first driving device is used for driving the adjusting substrate 4 to reciprocate.
It should be noted that, the first driving device may be a belt conveying device, where two belt pulleys are respectively disposed at two sides of the sampling needle mounting structure, and the two belt pulleys are connected through a belt, where the first slider is fixedly connected with the belt, and in the process of belt conveying, the adjusting substrate 4 is driven to move together, so as to implement horizontal adjustment of the sampling needle mounting structure.
It should be noted that, the first driving device may also be a telescopic motor, where the first slider is fixedly connected to the movable end of the telescopic motor, and the telescopic direction of the telescopic motor is parallel to the length direction of the first sliding rail 1 a.
In an exemplary embodiment of the present utility model, a second driving device is further disposed on the adjusting substrate 4, and the second driving device is used for driving the mounting seat 5 to reciprocate.
It should be noted that, the vertical sliding unit may be a belt driving manner, two belt pulleys are respectively disposed at the upper end and the lower end of the adjusting substrate 4, and a belt is sleeved on the two belt pulleys, wherein the mounting seat 5 is fixed with the belt, and the belt drives the mounting seat 5 to move up and down in the conveying process, so that the adjustment of the vertical direction of the sampling needle mounting structure is realized.
It should be noted that, the first driving device may also be a telescopic motor, where the mounting seat 5 is fixedly connected to the movable end of the telescopic motor, and the telescopic direction of the telescopic motor is parallel to the length direction of the second sliding rail 4 a.
In an exemplary embodiment of the utility model, the sampling needle mounting assembly further comprises a filter 9, the filter 9 being mounted on the mounting seat 5.
It should be noted that, the filter 9 is composed of a filter cover, a filter base and a filter screen, and the filter screen filters the sampled sample to improve the testing accuracy of the analyzer.
It should be noted that the purpose of the filter 9 close to the sampling needle 11 is to filter out impurities of a larger volume in the sample that are not significant to the test result, avoiding clogging of the test channel by impurities entering the test channel.
In an exemplary embodiment of the present utility model, two spring plates are disposed on the mounting base 5, and the filter 9 is sandwiched between the two spring plates.
It should be noted that, after the analyzer tests a certain amount of samples, a large amount of impurities will adhere to the filter screen, at this time, the filter screen needs to be detached and cleaned, otherwise, the testing accuracy of the analyzer will be affected, so the filter needs to be regularly detached and maintained, and the filter 9 can be quickly detached by the spring piece.
It should be noted that the spring piece is made of a material with strong corrosion resistance, is not easy to permanently deform, and can meet the use requirement of the filter for periodic and repeated disassembly and assembly.
In an exemplary embodiment of the present utility model, a wire blocking plate 10 is further disposed on the mounting substrate 1, and the wire blocking plate 10 is close to the sensing area, and is used for blocking the wire harness.
It should be noted that, since some necessary circuits exist in the analyzer, and the arrangement and dropping of the circuits can fall back into the sensing area, so that erroneous judgment occurs, a wire blocking plate needs to be arranged for blocking the wire harness.
It should be noted that the position of the wire baffle plate can be adjusted according to the falling position of the wire harness, the wire baffle plate can cover the whole induction area, and the wire baffle plate can be slidably mounted or fixedly mounted along the length direction of the induction area during mounting.
In an exemplary embodiment of the present utility model, there is also provided a sample analyzer characterized in that: the sampling needle mounting structure comprises the sampling needle mounting structure.
In summary, according to the sampling needle mounting structure and the sample analyzer provided by the utility model, the filter 9 is fixed on the mounting seat through the upper spring piece and the lower spring piece, the selected material of the spring piece is not easy to permanently deform, the use requirement of periodically and repeatedly dismounting the filter 9 can be met, the spring piece has stronger corrosion resistance, the corrosion caused by accidentally spilled reagent or sample is avoided, the service life is prolonged, the opposite-ray coupler transmitting end 2 and the opposite-ray coupler receiving end 3 are fixed at the two ends of the sampling needle 11, the opposite-ray coupler transmitting end and the opposite-ray coupler receiving end are not required to move together with the adjusting substrate 4 in the vertical direction, and meanwhile, the wire baffle plate 10 is additionally arranged in the sensing area close to the zero position, so that the damage risk caused by the accidental falling of the wire harness in the analyzer in the zero position sensing area in the vertical direction is avoided, and the sampling needle is prevented from being damaged due to the accidental zero position judgment in the vertical direction; the structure of fixed sampling needle 11 adopts needle file 6 of aluminium material and two machine of insulating block 7 of plastics material to add the piece and accomplish jointly, and two structural dimension is all less, satisfies little spatial structure operation requirement, and the intensity of needle file 6 of aluminum alloy material can not break because of fixed sampling needle 11 on the basis of guaranteeing to be small, and insulating block 7 of plastics material has guaranteed sampling needle 11 and earth insulation, has solved the unusual problem of test that consequently causes of other units of analysis appearance.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A sampling needle mounting structure comprising:
a mounting substrate (1), wherein a first mounting position and a second mounting position are further arranged on the mounting substrate (1);
the monitoring mechanism comprises an opposite-radiation optical coupler transmitting end (2) and an opposite-radiation optical coupler receiving end (3), an induction area is formed between the opposite-radiation optical coupler transmitting end (2) and the opposite-radiation optical coupler receiving end (3), the opposite-radiation optical coupler transmitting end (2) is arranged at a first installation position, and the opposite-radiation optical coupler receiving end (3) is arranged at a second installation position;
the sampling needle mounting assembly is movably arranged on the mounting substrate (1), so that the sampling needle mounting assembly can enter and exit the sensing area.
2. A sampling needle mounting structure according to claim 1, wherein: the moving track of the sampling needle mounting assembly intersects the sensing area.
3. A sampling needle mounting structure according to claim 1, wherein: the sampling needle mounting structure further comprises an adjusting mechanism, the adjusting mechanism comprises a horizontal sliding unit and a vertical sliding unit, the vertical sliding unit is mounted at the movable end of the horizontal sliding unit, and the sampling needle mounting assembly is mounted at the movable end of the vertical sliding unit.
4. A sampling needle mounting structure according to claim 3, wherein: the vertical sliding unit comprises an adjusting base plate (4) and a mounting seat (5), wherein the mounting seat (5) can be slidably arranged on the adjusting base plate (4) along the vertical direction, and the adjusting base plate (4) is slidably arranged at the movable end of the horizontal sliding unit.
5. The sampling needle mounting structure of claim 4, wherein: the sampling needle mounting assembly comprises a needle seat (6), wherein the needle seat (6) is fixedly arranged on the mounting seat (5) and is used for fixedly mounting a sampling needle (11);
the sampling needle mounting assembly further comprises an insulating block (7), and the needle seat (6) is mounted at the movable end of the vertical sliding unit through the insulating block (7).
6. The sampling needle mounting structure of claim 4, wherein: the sampling needle mounting assembly further comprises a triggering support (8), the triggering support (8) is mounted on the mounting seat (5), and the triggering support (8) is used for extending into or keeping away from the sensing area.
7. The sampling needle mounting structure of claim 4, wherein: the horizontal sliding unit comprises a first sliding rail (1 a), a first sliding block is further arranged on the side face of the adjusting substrate (4), and the adjusting substrate (4) is arranged on the first sliding rail (1 a) in a sliding mode through the first sliding block;
the vertical sliding unit comprises a second sliding rail (4 a), and the mounting seat (5) is arranged on the second sliding rail (4 a) in a sliding mode.
8. The sampling needle mounting structure of claim 4, wherein: the mounting substrate (1) is also provided with a first driving device which is used for driving the adjusting substrate (4) to reciprocate;
the adjusting base plate (4) is also provided with a second driving device which is used for driving the mounting seat (5) to reciprocate.
9. The sampling needle mounting structure of claim 4, wherein: the sampling needle mounting assembly further comprises a filter (9), and the filter (9) is mounted on the mounting seat (5);
the mounting seat (5) is also provided with two spring pieces which are arranged opposite to each other, and the filter (9) is clamped between the two spring pieces;
the wire blocking plate (10) is further arranged on the mounting substrate (1), the wire blocking plate (10) is close to the sensing area, and the wire blocking plate is used for blocking a wire harness.
10. A sample analyzer, characterized by: comprising the sampling needle mounting structure of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320353754.XU CN219512265U (en) | 2023-02-28 | 2023-02-28 | Sampling needle mounting structure and sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320353754.XU CN219512265U (en) | 2023-02-28 | 2023-02-28 | Sampling needle mounting structure and sample analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219512265U true CN219512265U (en) | 2023-08-11 |
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ID=87529170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320353754.XU Active CN219512265U (en) | 2023-02-28 | 2023-02-28 | Sampling needle mounting structure and sample analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219512265U (en) |
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2023
- 2023-02-28 CN CN202320353754.XU patent/CN219512265U/en active Active
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