CN113834807A - Detection assembly, detection analyzer and detection positioning method - Google Patents

Abstract

The invention discloses a detection assembly, a detection analyzer and a detection positioning method, wherein the detection assembly comprises a calibration piece fixing seat and a detection fixing seat, a calibration area is arranged on the calibration piece fixing seat, a first driving device is arranged on the detection fixing seat, the first driving device is connected with the calibration piece fixing seat through a first elastic piece, a positioning table is arranged on the detection fixing seat, during calibration, the calibration piece fixing seat moves forwards under the action of the first driving device, one side of the calibration piece fixing seat is pressed by the first elastic piece, and the other side of the calibration piece fixing seat is limited by the positioning table. The invention can conveniently and accurately position the calibration component of the detection analyzer and improve the detection accuracy.

Description

Detection assembly, detection analyzer and detection positioning method

Technical Field

The invention belongs to the field of medical detection, and particularly relates to a detection assembly, a detection analyzer and a detection positioning method.

Background

The detection analyzer is widely used in the field of medical detection, for example, a dry biochemical analyzer in the market is a commonly used detection analyzer, and the main action principle of the detection analyzer is as follows:

the method comprises the steps of taking a dry sheet with a fixed reagent as a carrier, adding detection samples such as whole blood, blood plasma or blood serum and the like onto the dry sheet, taking moisture in the detection samples as a solvent, enabling the detection samples to generate a color reaction with the reagent, enabling a detection light source to irradiate the dry sheet, sensing the dry sheet generating the color reaction through a sensing element, and obtaining various biochemical indexes of the detection samples through a colorimetric principle.

In the detection process, the parameters of the detection light source or the sensing element are changed due to multiple uses, or the accuracy of the final detection result is affected due to the change of environmental factors. It is known to calibrate the detection analyzer with a calibration component (e.g., white material) to improve the accuracy of the detection.

The existing method comprises the following steps: when equipment is maintained, a professional calibrates the detection analyzer through the calibration component, but after the calibration component is calibrated, the calibration component is not accurately positioned, so that position deviation exists among the calibration component, the detection light source and the sensing element, and the precision of subsequent detection is influenced.

Disclosure of Invention

The invention aims to provide a detection assembly, a detection analyzer and a detection positioning method.

The invention provides a detection assembly, which comprises a calibration piece fixing seat and a detection fixing seat, wherein a calibration area is arranged on the calibration piece fixing seat, a first driving device is arranged on the detection fixing seat, the first driving device is connected with the calibration piece fixing seat through a first elastic piece, a positioning table is arranged on the detection fixing seat, the calibration piece fixing seat moves forwards under the action of the first driving device during calibration, one side of the calibration piece fixing seat is pressed by the first elastic piece, and the other side of the calibration piece fixing seat is limited by the positioning table.

In one embodiment, the detection fixing base includes a detection supporting base and a supporting base, and the supporting base is provided with a detection light source and a sensing element.

In one embodiment, the positioning table comprises a first positioning table in the middle and two second positioning tables on the sides.

In one embodiment, a first guide portion is arranged on the supporting base, a second guide portion is arranged on the calibration piece fixing seat, the first guide portion and the second guide portion are both along the driving direction of the first driving device, and the first guide portion is matched with the second guide portion.

In one embodiment, two sides of the supporting base are respectively provided with a guiding edge, two sides of the calibration piece fixing seat are respectively provided with a guiding side edge, the two guiding side edges of the calibration piece fixing seat are in sliding fit with the guiding edges, the first guiding part is a guiding edge, and the second guiding part is a guiding side edge; or, be equipped with the guide way on the support base be equipped with the direction arch on the calibration piece fixing base, the protruding card of direction is gone into in the guide way and is cooperated with the guide way, first guide part is the guide way, the second guide part is the direction arch.

In one embodiment, the detection support seat is fixedly connected with the support base and forms a sliding space therebetween, and the calibration piece fixing seat is movably arranged in the sliding space.

In one embodiment, the number of the detection light sources and the number of the sensing elements are at least two, the calibration area of the calibration piece fixing seat is provided with at least two calibration holes, the detection supporting seat is provided with at least two detection holes, and the number of the detection light sources, the number of the sensing elements, the number of the calibration holes and the number of the detection holes correspond to the number of the detection holes.

In one embodiment, the first elastic member includes: the hollow sleeve is provided with a sliding hole at the front end, the rear end of the ejector rod is provided with an expansion limiting head, an output shaft of the first driving device is connected with the sleeve, the expansion limiting head is located in the sleeve, the rear end of the expansion limiting head is jacked by the first spring, the front end of the ejector rod extends out through the sliding hole, the front end of the sleeve is provided with a first limiting portion, an action groove is formed in the calibration piece fixing seat, a jacking portion is arranged on the front side of the action groove, a second limiting portion is arranged on the rear side of the action groove, the front end of the sleeve extends into the action groove, the first limiting portion of the sleeve is limited by the second limiting portion, and the end portion of the front end of the ejector rod faces the jacking portion.

In one embodiment, the circumferential surface of the output shaft of the first driving device is provided with a clamping strip in the axial direction, the end part of the output shaft is provided with a shaft neck, the rear end circumference of the sleeve is provided with a bayonet, the bayonet of the sleeve is clamped on the clamping strip, the sleeve is provided with a fixing screw, and the fixing screw is clamped on the shaft neck of the output shaft to realize the connection of the sleeve and the output shaft of the first driving device.

In one embodiment, the calibration piece fixing seat comprises a calibration base body, a first surface limiting portion and a second surface limiting portion are arranged on the calibration base body, a slot which is convenient for accommodating a calibration component is formed between the first surface limiting portion and the second surface limiting portion, the slot is along the main body direction of the calibration base body, and a side notch which is communicated with the slot is formed in the side portion of the calibration piece fixing seat.

The present invention also provides a detection analyzer, comprising: the detection assembly of claim 5, wherein the outer casing forms an inner space therein, the outer casing is provided with a removal window, the outer casing is provided with a base frame therein, the base frame is provided with a first guide rail thereon, the detection assembly is mounted on the base frame via the first guide rail, a second driving device is provided between the detection assembly and the base frame, and the detection area of the detection assembly is moved into the inner space of the casing or moved out of the inner space of the casing via the removal window under the action of the second driving device.

The invention also provides a detection positioning method, which comprises the following steps:

receiving a positioning instruction;

the first driving device translates and pushes the calibration piece fixing seat to slide;

the calibration piece fixing seat slides to a set position, and the first side of the calibration piece fixing seat is limited by the positioning table;

the first driving device continues to translate, and the first elastic piece limits the second side of the calibration piece fixing seat under the action of the first driving device;

the calibration piece fixing seat is positioned and used for calibration or detection.

The technical scheme provided by the invention has the following advantages and effects:

after the calibration component is replaced, the positioning problem is solved through two aspects: firstly, be equipped with the location platform on supporting the base, be used for carrying out accurate spacing (the hard location of high accuracy) to one side of calibration piece fixing base, on the other hand is provided with first elastic component at the opposite side of calibration piece fixing base, when pushing in the calibration piece fixing base through first drive arrangement, first elastic component can cushion first drive arrangement's thrust or the motion inertia of calibration piece fixing base, avoid the calibration piece fixing base to support the location platform on the base through the striking and influence the precision (the soft location) of location platform, thereby reach the location requirement of calibration piece fixing base, the detection precision of detection analysis appearance has been improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

FIG. 1 is an external view of a detection analyzer in accordance with an embodiment of the present invention;

FIG. 2 is a block diagram of a test analyzer with a removable cover open according to an embodiment of the present invention;

FIG. 3 is an exploded view of a detection analyzer in accordance with an embodiment of the present invention;

FIG. 4 is a block diagram of the test analyzer with the outer housing removed in accordance with an embodiment of the present invention;

FIG. 5 is a schematic diagram of the connection structure between the detecting assembly and the base frame and the first driving device according to the embodiment of the present invention;

FIG. 6 is a diagram of the connection structure between the code scanning assembly and the base frame and the fourth driving device according to the embodiment of the present invention;

FIG. 7 is a disassembled structure view of the heating assembly and the third driving device according to the embodiment of the present invention;

FIG. 8 is a structural view of a drive block;

FIG. 9 is an exploded view of a detection assembly in a detection analyzer according to an embodiment of the present invention;

FIG. 10 is a front exploded view of the alignment member holder, the support base and the first driving device;

FIG. 11 is a rear exploded view of the alignment member holder, the support base and the first driving device;

FIG. 12 is a bottom view of the support base;

FIG. 13 is a cross-sectional view of the sensing assembly in a calibrated state;

FIG. 14 is a cross-sectional view of the sensing assembly in a sensing state;

FIG. 15 is a state diagram of a plurality of test strip unit cards in place in the test assembly;

FIG. 16 is a state view of the test strip coupon when placed in the test assembly;

FIG. 17 is a side view of a portion of the alignment member mount;

FIG. 18 is a front view of a test strip card;

FIG. 19 is a rear view of the test strip card;

FIG. 20 is an exploded view of the test strip landing;

FIG. 21 is a view showing a plurality of test strip cards being positioned in the test assembly by the tray;

FIG. 22 is an exploded view of FIG. 21;

FIG. 23 is a front view of the pivoting member;

FIG. 24 is a rear view of the pivoting member;

FIG. 25 is a cross-sectional view of the pivoting member;

description of reference numerals:

1000. a detection component, 1010, a side port,

1100. calibration piece fixing seat, 1110, calibration base body, 1111, guide lateral edge, 1112, guide protrusion, 1113, action groove, 1114, jacking part, 1115, second limiting part, 1120, first connecting frame, 1121, second connecting frame, 1122, first connecting strip, 1123, second connecting strip, 1124, third guide inclined plane, 1125, fourth guide inclined plane, 1126, blocking strip, 1130, calibration hole, 1140 and side notch,

1200. a detection support seat 1210, a detection seat base body 1211, a detection hole 1212, a positioning angle 1213, a positioning edge 1214, a baffle 1215, a positioning groove 1216, a positioning convex point 1217, a first guiding inclined plane 1218, a second guiding inclined plane 1220, a first abdicating notch 1230, a concave area 1240, a positioning convex column 1250 and a guiding projection,

1300. a heating assembly 1310, a second heating element 1320, a heat conduction block 1321, a first perforation, 1322, a slot, 1323, a pressing strip, 1330, a pressure head, 1340, a second elastic element, 1350, a heating body upper shell, 1360, a heating body lower shell, 1361 and a second perforation,

1400. a code scanning component, which is used for scanning the code,

1500. a support base 1510, a base body 1511, a guide edge 1512, a guide channel 1513, a first positioning stage 1514, a second positioning stage 1520, a second side edge,

1620. a first light source mounting board 1621, a first light emitting element 1630, a second light source mounting board 1631, a second light emitting element 1640, a third light source mounting board 1641, a third light emitting element 1650, a detection mounting board 1651, a sensing element 1660, a detection light source,

1701. a first position sensing element, 1702, mounting post, 1703, a second position sensing element,

1800. a box body 1810, an upper box 1811, an operation window 1812, a replacement window 1813, a cover plate 1820, a lower box 1830, a second abdicating notch,

2100. a first driving device 2110, an output shaft 2120, a first guide rail 2130, a sliding seat 2141, a clamping strip 2142, a shaft neck 2150, a heat insulation pad,

2200. a first elastic piece 2210, a sleeve 2211, a first limit part 2212, a bayonet 2213, a fixing screw 2220, a first spring 2230, a top rod 2231, an expansion limit head,

2310. a second motor 2320, a second idler 2340, a second transmission endless belt,

2410. a third driving motor 2420, a third guide rail 2430, a driving block 2440, a cam 2450, a guide groove 2460 and a slide block,

2510. a fourth driving device 2520, a fourth passing wheel 2530, a fourth conveying belt 2540, a fourth guide rail,

3000. an outer shell 3100, a shell base 3110, a left side plate 3120, a right side plate 3130, a rear side plate 3140, a bottom plate,

3200. a top plate of the shell 3210, a front panel 3211, a moving-out window 3212, a movable cover 3220 and a top panel,

3300. a base frame 3310, a base seat 3320, a column 3330, a middle clapboard 3340 and a PCBA board card,

4000. the calibration means are arranged to calibrate the component,

5000. the combined card test strip comprises 5100 a test substrate 5101 an upper plate body 5102 a lower plate body 5110 a mounting hole 5200 a single-chip test card 5210 a placing part 5220 a bar code area 5300 a card slot,

6000. a single-card test strip, 6210, a placing part, 6220, a bar code area, 6230, a positioning hole,

7000. rotating support piece, 7100, single card placing position, 7110, light hole, 7200, rib, 7300, groove, 7400, first side edge, 7410 and card gap.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the case of a real-world scenario incorporating the technical solution of the present invention, all technical and scientific terms used herein may also have meanings corresponding to the purpose of achieving the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As used herein, unless otherwise specified or defined, the terms "comprises," "comprising," and "comprising" are used interchangeably to refer to the term "comprising," and are used interchangeably herein.

It is needless to say that technical contents or technical features which are contrary to the object of the present invention or clearly contradicted by the object of the present invention should be excluded.

As shown in fig. 1 to 25, the detection analyzer includes an outer casing 3000, a detection assembly 1000, a heating assembly 1300 and a code scanning assembly 1400, and the main components are mutually interactive and structurally connected or corresponding to each other, but for convenience, the following main components will be described in sequence, and other components may still be involved in the description.

Outer housing 3000 and related components

Referring to fig. 1 to 3 in detail, in combination with other views, the outer casing 3000 includes a casing base 3100 and a casing lid, the casing base 3100 has a left side plate 3110, a right side plate 3120, a rear side plate 3130 and a bottom plate 3140 connected to each other, the casing top plate 3200 has a front side plate 3210 and a top side plate 3220 connected to each other, and the casing base 3100 and the casing top plate 3200 are combined to form a casing inner space; a moving-out window 3211 is provided on the front panel 3210, and a movable cover 3212 corresponding to the moving-out window 3211 is provided on the front panel 3210.

A base frame 3300 is provided in the outer case 3000, the base frame 3300 includes a base 3310 and four posts 3320 located above the base 3310, a middle partition plate 3330 is provided above the four posts 3320, a PCBA board card 3340 is provided above the middle partition plate 3330, and a moving space for facilitating movement of the detecting component 1000 is formed between the base 3310 and the middle partition plate 3330. The detection device comprises a base frame 3300, two first guide rails 2120 arranged on the base frame 3300 in parallel, a sliding seat 2130 movably arranged on the base frame 3300 through the two first guide rails 2120, a detection assembly 1000 mounted on the sliding seat 2130, and a heat insulation pad 2150 arranged between the detection assembly 1000 and the sliding seat 2130.

The second driving device includes a second motor 2310, a second third wheel 2320 and a second transmission belt 2340, the second transmission belt 2340 is sleeved between the output shaft of the second motor 2310 and the second third wheel 2320, the sliding seat 2130 is connected with the second transmission belt 2340, and under the action of the second driving device, the detection area of the detection assembly 1000 moves into the space in the housing or moves out of the space in the housing through the moving-out window 3211. When the detecting assembly 1000 moves outwards, the movable cover 3212 is opened, and when the detecting assembly 1000 moves inwards, the movable cover 3212 is closed.

Code scanning assembly 1400 and related components

Please look at fig. 4 to fig. 6 in detail and combine with other views, a fourth guide rail 2540 is further disposed on the base frame 3300, the code scanning assembly 1400 is movably mounted on the base frame 3300 through the fourth guide rail 2540, a fourth transmission belt 2530 is sleeved between an output shaft of the fourth driving device 2510 and the fourth passing wheel 2520, the code scanning assembly 1400 is connected to the fourth transmission belt 2530, and the fourth driving device 2510 and the fourth transmission belt 2530 drive the code scanning assembly 1400 to move to a set position to scan a barcode corresponding to a detected sample on the detecting assembly 1000.

The effect of the code scanning component 1400 is: the barcode corresponding to the detection sample on the detection support seat 1200 in the detection assembly 1000 is scanned to determine the information corresponding to the detection sample, such as the personal identification information corresponding to the detection sample, the type information of the detection sample, and the like, and the information code scanned by the barcode scanning assembly 1400 may be a one-dimensional code, a two-dimensional code, the whole information of the associated card test strip 5000, or the independent information of the single card test strip 6000.

Heating assembly 1300 and related components

Please review fig. 3, 4, 7, 8 and other views, in which a third guide rail 2420 is disposed on the middle partition plate 3330, the heating element 1300 is movably mounted on the middle partition plate 3330 via the third guide rail 2420, a sliding block 2460 is disposed on the third guide rail 2420, the sliding block 2460 is fixedly connected to the driving block 2430, and the heating element 1300 is fixed to the driving block 2430; the guide groove 2450 is formed in the driving block 2430, the base frame 3300 is provided with a third driving motor 2410, an output shaft of the third driving motor 2410 is connected with the cam 2440, the cam 2440 is matched with the guide groove 2450, when the third driving motor 2410 rotates, the cam 2440 is driven to rotate, the cam 2440 is matched with the guide groove 2450 and drives the driving block 2430 to move up and down, and then the heating assembly 1300 is driven to move up and down, so that the heating assembly 1300 is pressed against the detection area of the detection support seat 1200 or separated from the detection area of the detection support seat 1200.

The heating assembly 1300 further includes a heating body upper shell 1350, a heating body lower shell 1360, a second heating element 1310, a heat conduction block 1320, a pressure head 1330 and a second elastic member 1340, wherein the second heating element 1310 is of a membrane structure, the heating body upper shell 1350 and the heating body lower shell 1360 are covered to form a heating space, the second heating element 1310 and the heat conduction block 1320 are both located in the heating space and are in contact connection with the heat conduction block 1320, a first through hole 1321 is provided on the heat conductive block 1320, a second through hole 1361 corresponding to the first through hole 1321 is provided on the heating body lower case 1360, a slot 1322 is formed in the thermal block 1320, the first through hole 1321 is located at a lower portion of the slot 1322, the rear end of the second elastic member 1340 is located in the slot 1322, a bead 1323 is provided in the slot 1322 to press the rear end of the second elastic member 1340 against, the second heating element 1310 is mounted on the backside of the thermal block 1320 and covers the bead 1323. The pressing head 1330 simultaneously passes through the first through hole 1321 and the second through hole 1361, the rear end of the pressing head 1330 is pressed by the second elastic member 1340, the front end of the pressing head 1330 faces the detecting support 1200, and each pressing head 1330 corresponds to a detecting hole 1211 of the detecting support 1200. In this embodiment, the number of the pressure heads 1330 and the second elastic members 1340 opposite to each of the detection holes 1211 is two, and the two pressure heads respectively press against two sides of the detection hole 1211 during the detection.

The heat conductive block 1320 is heated by the second heating element 1310 to control the temperature of the heating assembly 1300, and the temperature of the detection sample on the detection assembly 1000 is precisely controlled by the second heating element 1310 of the heating assembly 1300 and the first heating element (the first heating element is described later) of the detection assembly 1000 during detection or calibration, so as to obtain a precise detection result during detection or calibration.

The heating assembly 1300 includes the heating body upper shell 1350 and the heating body lower shell 1360, so that the heating assembly 1300 has a relatively sealed space, the heat loss of the second heating element 1310 is reduced, the temperature control of the heating assembly 1300 is more accurate, and the energy consumption is also reduced.

The front side of the heating assembly 1300 is provided with a pressure head 1330, the pressure head 1330 acts on the pressure head 1330 through the second elastic member 1340, when in detection or calibration, the pressure head 1330 is pressed against a detection sample, the position of the pressure head 1330 can be automatically adjusted according to the thickness of the test strip (and the detection sample), the position of the pressure head 1330 can be adaptively adjusted, and the test strip calibration device can be suitable for test strips with different thicknesses.

The heat conducting block 1320 is provided with a slot 1322, the slot 1322 is internally provided with a pressing strip 1323, the second elastic member 1340 is pressed by the pressing strip 1323, the second heating element 1310 of the diaphragm type structure is prevented from being damaged by repeated stress of the second elastic member 1340, and the second elastic member is limited in the slot 1322 by the pressing strip 1323, so that a plurality of second elastic members can be more stably limited.

Detection assembly 1000

Please look at fig. 9 to fig. 25, and with reference to other views, the detecting assembly 1000 is a main component of the detecting analyzer, and includes a calibrating element fixing base 1100, a detecting supporting base 1200 and a supporting base 1500, wherein the supporting base 1500 includes a base 1510, a detecting light source 1660 and a sensing element 1651 are disposed on the base 1510, a detecting area is disposed on the detecting supporting base 1200, and a calibrating area is disposed on the calibrating element fixing base 1100; the calibration piece fixing base 1100 is used for mounting a calibration piece 4000 (in the embodiment, the calibration piece 4000 adopts a white substance as a standard reflecting substance during calibration); the detection support seat 1200 is used for placing a detection sample for detection; the supporting base 1500 is provided with a detection light source 1660, during calibration, light emitted by the detection light source 1660 irradiates the calibration component 4000, during detection, light emitted by the detection light source 1660 irradiates a detection sample at the detection area, and reflected light of the calibration component 4000 or the detection area is sensed by the sensing element 1651, so as to obtain data during calibration or detection, so as to analyze and process the data.

Please look at fig. 9 to 14, and combine other views, the detecting support seat 1200 is fixedly connected to the support seat 1500 to form a detecting fixing seat, and a sliding space is formed inside the detecting fixing seat, the calibration piece fixing seat 1100 is movably disposed at the sliding space, and a first driving device 2100 is disposed between the support seat 1500 and the calibration piece fixing seat 1100; the calibration piece holder 1100 has a calibration position and a detection position under the action of the first driving device 2100, wherein the calibration piece holder 1100 moves forward when the calibration position is detected, the detection light source 1660 and the sensing element 1651 both face the calibration area on the calibration piece holder 1100, and the calibration piece holder 1100 moves backward when the detection position is detected, and the detection light source 1660 and the sensing element 1651 both face the detection area on the detection support 1200.

When in use, the calibration member fixing base 1100 is provided with the calibration component 4000, the detection supporting base 1200 is fixedly connected with the supporting base 1500, a sliding space is formed between the detection supporting base 1200 and the supporting base 1500, the calibration member fixing base 1100 is movably arranged at the sliding space, and the first driving device 2100 drives the calibration member fixing base 1100 to move; when calibration is needed, the calibration piece holder 1100 moves forward, the detection light source 1660 and the sensing element 1651 are opposite to the calibration area on the calibration piece holder 1100, light emitted by the detection light source 1660 irradiates on the calibration part 4000, the sensing element 1651 senses light reflected from the calibration part 4000 to obtain a calibration signal of the detection analyzer in a calibration state, when detection is needed, the calibration piece holder 1100 moves backward, the detection light source 1660 and the sensing element 1651 are opposite to a test strip on the detection support 1200, light emitted by the detection light source 1660 irradiates on the test strip, the sensing element 1651 senses light reflected from the test strip to obtain a detection signal of the detection analyzer in a detection state, and the calibration signal and the detection signal are processed to obtain a relatively ideal actual measurement result. Because with the gliding setting in the sliding space of calibration piece fixing base 1100, under the effect of first drive, can conveniently calibrate the detection analysis appearance, it is very convenient to calibrate, and the user can calibrate when starting up at every turn, also can calibrate before detecting at every turn or after detecting, has improved the accuracy that detects.

A first elastic member 2200 is disposed between the first driving device 2100 and the calibration member fixing base 1100, and has the following specific structure:

the first elastic member 2200 includes: the calibration piece fixing seat 1100 is provided with an action groove 1113, the front side of the action groove 1113 is provided with a jacking part 1114, the rear side of the action groove 1113 is provided with a second limit part 1115 (namely two limit vertical parts at the rear side of the action groove 1113), the front end of the sleeve 2210 extends into the action groove 1113, the first limit part 2211 is limited by the second limit part 2211, and the end part of the front end of the ejector rod 2230 faces the jacking part 1114. The circumferential surface of the output shaft 2110 of the first driving device 2100 has a strip 2141 in the axial direction, the end of the output shaft 2110 has a journal 2142, the rear end circumference of the sleeve 2210 is provided with a bayonet 2212, the bayonet 2212 of the sleeve 2210 is clamped on the strip 2141, the sleeve 2210 is provided with a fixing screw 2213, and the fixing screw 2213 is clamped on the journal 2142 of the output shaft 2110 to realize the connection between the sleeve 2210 and the output shaft 2110 of the first driving device 2100.

The bayonet 2212 of the sleeve 2210 is engaged to the output shaft 2110 of the first drive device 2100, and a set screw 2213 is passed through the sleeve 2210 and engaged to the journal 2142 of the output shaft 2110. The first driving device 2100 drives the sleeve 2210 to move forward or backward through the output shaft 2110 thereof, when the sleeve 2210 moves forward, the front end of the top rod 2230 abuts against the pressing portion 1114 to push the calibration piece holder 1100 to move forward, so that the calibration hole 1130 is aligned with the detection light source 1660 and the sensing element 1651, when the sleeve 2210 moves backward, the first position-limiting portion 2211 on the sleeve 2210 pulls the second position-limiting portion 1115 on the calibration piece holder 1100, so as to drive the calibration piece holder 1100 to move backward, so that the detection hole 1211 is aligned with the detection light source 1660 and the sensing element 1651. Due to the arrangement of the first spring 2220, the first spring 2220 may dampen the first drive 2100 as the sleeve 2210 is advanced into position.

A positioning table (a first positioning table 1513 located at the middle position and two second positioning tables 1514 located at the side positions) is arranged on the supporting base 1500, and when in the calibration position, the calibration piece fixing base 1100 moves forward and is pressed against the positioning table; after the sleeve 2210 is moved forward to a certain position, the calibration member fixing base 1100 is precisely limited (precisely positioned) by the first positioning table 1513 and the second positioning table 1514, so that the calibration component 4000 is precisely aligned with the detection light source 1660 and the sensing element 1651, and the calibration precision is greatly improved; on the other hand, the machining accuracy of the first positioning table 1513 and the second positioning table 1514 is relatively high, so as to avoid impact caused by multiple movements to affect the positioning accuracy of the calibration piece fixing base 1100, after the first spring 2220 is arranged, a good buffering effect can be achieved, one side of the calibration piece fixing base 1100 adopts high-accuracy positioning, the other side of the calibration piece fixing base adopts an elastic self-adaptive structure (soft positioning), the two are ingeniously combined, the positioning accuracy is improved, and meanwhile, the manufacturing requirement on the mechanism is reduced.

Referring to fig. 9, 10, 15 and 16, in combination with other views, the test support base 1200 includes a test base body 1210, and two sets of positioning structures are disposed on the test base body 1210 for positioning the test strip, that is: a first positioning part and a second positioning part; the first positioning part corresponds to the whole detection area, and when the card connection test strip 5000 is placed, the first positioning part is used for positioning, so that the card connection test strip 5000 is prevented from displacing; six detection holes 1211 are further arranged in the detection area, each detection hole 1211 can be used for placing a single-card test strip 6000, six second positioning parts are arranged on the detection seat base body 1210, and each second positioning part corresponds to the corresponding detection hole 1211; when the single-card test strips 6000 are placed, the second positioning parts are used for respectively positioning the single-card test strips 6000, so that the single-card test strips 6000 are prevented from displacing;

the detection support seat 1200 is provided with a first positioning part and a second positioning part, and can be used for positioning the joint card test strip 5000 and the single card test strip 6000 respectively, so that the detection support seat 1200 is suitable for the joint card test strip 5000 or the single card test strip 6000 at the same time, and the universality is greatly improved.

For the first positioning portion and the second positioning portion, the following structure is specifically adopted in this embodiment: first location portion is for locating on detecting supporting seat 1200 and being located two location projection 1240 of detection zone both sides are equipped with draw-in groove 5300 at the lower surface of antithetical couplet card test strip 5000, and after antithetical couplet card test strip 5000 placed detection supporting seat 1200, location projection 1240 card is in the draw-in groove 5300 at antithetical couplet card test strip 5000 both ends, for making things convenient for antithetical couplet card test strip 5000 place the detection zone periphery is equipped with four location angles 1212 and location limit 1213 and is used for preliminary spacing.

The second positioning part is a positioning slot 1215 (a plurality of barriers 1214 are arranged on the detection seat base body 1210 at intervals and in parallel, the positioning slot 1215 is formed between two adjacent barriers 1214) and a positioning bump 1216, six positioning slots 1215 are arranged in parallel, each detection hole 1211 is respectively positioned in the positioning slot 1215, the positioning bump 1216 is positioned at one end of the positioning slot 1215 in the longitudinal direction, and a guiding bump 1250 is arranged between two adjacent positioning bumps 1216; the body portion of each single-card test strip 6000 is disposed in the positioning slot 1215 to laterally position the single-card test strip 6000, and the positioning bumps 1216 are configured to longitudinally position the single-card test strip 6000.

The guide protrusion 1250 may function as a guide when the single-card test strip 6000 is placed, so as to facilitate the placement of the single-card test strip 6000. Similarly, a first guiding inclined surface 1217 is provided at the side of the barrier 1214, and a second guiding inclined surface 1218 is provided at the end of the positioning protrusion 1216.

The detection support seat 1200 is provided with a first abdicating notch 1220, and the first abdicating notch 1220 is located at the periphery of the detection area, close to the edge portion, and at the two ends of the connection direction of the six detection holes 1211. A recessed area 1230 is disposed between the positioning bump 1216 and the positioning slot 1215, and the recessed area 1230 is at least partially lower than the positioning bump 1216 and the positioning slot 1215. The first notch 1220 can facilitate the hand of the operator to insert into the notch, so as to grasp the card-combination test strip 5000; when a single card test strip 6000 is used, the recessed area 1230 allows room for the operator's hand to do the same.

The calibration piece holder 1100 comprises a calibration base 1110, namely: the first connecting frame 1120, the second connecting frame 1121 and the blocking strip 1126 are oppositely arranged, and the blocking strip 1126 is connected with the first connecting frame 1120 and the second connecting frame 1121; six first connecting bars 1122 (i.e., surface limiting portions) and six second connecting bars 1123 (i.e., second surface limiting portions) are arranged in parallel on the first connecting frame 1120 and the second connecting frame 1121, the first connecting bars 1122 are located on the lower surface of the calibration base 1110, the second connecting bars 1123 are located on the upper surface of the calibration base 1110, slots convenient for accommodating the calibration component 4000 are formed between the first connecting bars 1122 and the second connecting bars 1123, the slots are formed along the main direction of the calibration base 1110, the six first connecting bars 1122 are spaced from each other, six calibration holes 1130 are formed between the six spaced first connecting bars 1122, and side portions of the calibration piece fixing base 1100 are provided with side notches 1140 communicated with the slots. A side port 1010 is provided in the sensing assembly 1000, the side port 1010 being opposite the side notch 1140.

The calibration piece fixing seat 1100 is provided with a plurality of first connecting bars 1122 and second connecting bars 1123, the first connecting bars 1122 are located below the slots, the second connecting bars 1123 are located above the slots, the calibration piece 4000 is inserted from the slots, the lower portion of the calibration piece 4000 is supported by the first connecting bars 1122, the upper portion of the calibration piece is limited by the second connecting bars 1123, the side notches 1140 enable an operator to conveniently take out or insert the calibration piece 4000, the first connecting bars 1122 and the second connecting bars 1123 are adopted to play a role in supporting and limiting, material loss can be reduced, and six calibration holes 1130 are formed at intervals among the first connecting bars 1122.

On the side near the side notches 1140, the first connecting bar 1122 is closer to the end relative to the second connecting bar 1123. When the calibration member 4000 is inserted, the first connecting bar 1122 at the end position can guide and support the calibration member 4000 for easy insertion; meanwhile, the first connecting bar 1122 is provided with a third guiding inclined surface 1124 on one side close to the side slot 1140 and on one side opposite to the side slot 1140, the second connecting bar 1123 is provided with a fourth guiding inclined surface 1125 on one side close to the side slot 1140 and on one side opposite to the side slot 1140, so that the guiding effect of the calibration component 4000 during insertion is enhanced, the insertion is convenient, and the blocking strip 1126 is positioned on the opposite side of the side slot 1140, so that when the calibration component 4000 is inserted in place, the inner end of the calibration component 4000 is blocked by the blocking strip 1126, and the blocking strip 1126 cannot move continuously.

The support base 1500 includes a base 1510, a first light source mounting plate 1620, a second light source mounting plate 1630, the first light source mounting plate 1620 and the second light source mounting plate 1630 are both long-shaped, a third light source mounting plate 1640 is provided at the same end direction of the first light source mounting plate 1620 and the second light source mounting plate 1630, the angle of the third light source mounting plate 1640 with respect to the base substrate 1510 is equal to the angles of the first light source mounting plate 1620 and the second light source mounting plate 1630 with respect to the base substrate 1510, the first light source mounting plate 1620, the second light source mounting plate 1630 and the third light source mounting plate 1640 are mounted on the same surface of the base substrate 1510, the included angles of the first light source mounting plate 1620, the second light source mounting plate 1630 and the third light source mounting plate 1640 relative to the base substrate 1510 are equal, however, the first and second light source mounting plates 1620 and 1630 are inclined in opposite directions with respect to the base body 1510. The detecting support 1200 is located above the supporting base 1500, and the detecting light source 1660 and the sensing element 1651 are installed on the supporting base 1500 and biased to the lower part of the supporting base 1500. By this mounting method, the distance between the detecting hole and the detecting light source 1660 and the distance between the detecting hole and the sensing element 1651 can be increased, and the size of the detecting support 1200 and the supporting base 1500 can be shortened to meet the requirement of fixing the detecting support and the supporting base. To meet the fixed mounting size requirements of the two, the detection light source 1660 with small focal length can be selected.

Six first light emitting elements 1621 are mounted on the first light source mounting plate 1620 in the longitudinal direction, six second light emitting elements 1631 are mounted on the second light source mounting plate 1630 in the longitudinal direction, one third light emitting element 1641 is mounted on the third light source mounting plate 1640, and the number of detection holes 1211 is six. The first light-emitting element 1621, the second light-emitting element 1631, and the third light-emitting element 1641 have different wavelengths. The detection light source 1660 includes six first light emitting elements 1621, six second light emitting elements 1631, and one third light emitting element 1641.

An elongated detection mounting plate 1650 is further disposed between the first light source mounting plate 1620 and the second light source mounting plate 1630, the detection mounting plate 1650 is parallel to the base substrate 1510, the number of the sensing elements 1651 is six, the sensing element 1651 is mounted on the detection mounting plate 1650 along the longitudinal direction, and each sensing element 1651 corresponds to each detection light source 1660 and each detection hole 1211 respectively.

The included angles of the first light source mounting plate 1620 and the second light source mounting plate 1630 relative to the base body 1510 are equal, the third light source mounting plate 1640 is mounted at the same end of the first light source mounting plate 1620 and the second light source mounting plate 1630 and is also inclined at the equal included angle of the first light source mounting plate 1620 and the second light source mounting plate 1630, so that the effect that the inclined included angles of the first light source mounting plate 1620, the second light source mounting plate 1630 and the third light source mounting plate 1640 relative to the base body 1510 are equal is achieved, a plurality of detection light sources can be arranged at one detection hole 1211, and the structure is more compact; and because the inclination angles of the light source mounting plates are equal, the detection result is not influenced.

Because the detection sample has different sensitivities to the light with different wavelengths, after a plurality of light sources with different wavelengths are arranged, the detection light source with the corresponding wavelength can be selected according to the requirement of the detection sample.

The supporting base 1500 is provided with a first guide portion, the calibration piece fixing base 1100 is provided with a second guide portion, the first guide portion and the second guide portion are both along the driving direction of the first driving device 2100, and the first guide portion is matched with the second guide portion. Specifically, two sides of the supporting base 1500 are respectively provided with a guiding edge 1511, two sides of the calibration piece fixing base 1100 are respectively provided with a guiding side edge 1111, and the two guiding side edges 1111 of the calibration piece fixing base 1100 are in sliding fit with the guiding edges 1511; a guide groove 1512 is arranged on the support base 1500, a guide protrusion 1112 is arranged on the calibration piece fixing seat 1100, and the guide protrusion 1112 is clamped in the guide groove 1512 and is matched with the guide groove 1512; the first guide portion is a guide edge 1511 and a guide groove 1512, and the second guide portion is a guide side edge 1111 and a guide protrusion 1112. When the calibration piece fixing base 1100 is translated, the guide side edges 1111 of the two sides of the calibration piece fixing base 1100 are matched with the guide edge 1511 of the supporting base 1500, and the guide protrusions 1112 at the bottom of the calibration piece fixing base are matched with the guide grooves 1512 of the supporting base 1500, so that the calibration piece fixing base 1100 can be kept to stably move in the longitudinal direction under the action of the first driving device 2100, and the calibration precision is prevented from being influenced by the fact that the calibration piece fixing base 1100 is inclined.

The test analyzer of this embodiment may use a single card test strip 6000 or a multi-card test strip 5000 as follows:

the single-card test strip 6000 is in a long strip shape, a placing part 6210 is arranged in the main body area of the single-card test strip 6000, the placing part 6210 is used for placing a detection sample, the placing part 6210 is opposite to the detection hole 1211 during detection, two sides of the single-card test strip 6000 are limited by the barriers 1214, the positioning hole 6230 in the end part of the single-card test strip 6000 is clamped on the positioning salient points 1216, the recessed area 1230 is used for yielding during taking and placing the single-card test strip 6000 so as to facilitate holding operation, a bar code area 6220 is arranged at one end, close to the positioning hole 6230, of the single-card test strip 6000 and used for printing or pasting corresponding information codes, the code scanning assembly 1400 is used for scanning the information in the bar code area 6220 during operation, and six single-card test strips 6000 can be placed side by side;

the multi-card test strip 5000 is of a plate type and comprises a test substrate 5100 formed by buckling an upper plate body 5101 and a lower plate body 5102, six mounting holes 5110 are formed in the test substrate 5100, a single-chip test card 5200 is mounted at each mounting hole 5110, a placing part 5210 is arranged on each single-chip test card 5200, and the six placing parts 5210 on the multi-card test strip 5000 are respectively opposite to each detection hole 1211; after the joint-card test strip 5000 is placed on the detection support seat 1200, the lower surface of the joint-card test strip 5000 is provided with the clamping groove 5300, and the positioning convex column 1240 is clamped in the clamping grooves 5300 at the two ends of the joint-card test strip 5000. A bar code area 5220 is disposed at one end of the test substrate 5100 for printing or attaching a corresponding information code, and the code scanning assembly 1400 is used for scanning information of the bar code area 5220 when operating.

Referring to fig. 21 to 25 again, when a single-card test strip is used, a rotating holder 7000 may be adopted, a groove 7300 is provided at the bottom of the rotating holder 7000, the positioning protrusion 1240 may be engaged in and matched with the groove 7300 to position the rotating holder 7000, six single-card placing positions 7100 are provided on the rotating holder 7000, a light hole 7110 is provided at each single-card placing position 7100, each light hole 7110 corresponds to a detection hole 1211, a fourth positioning portion (i.e., a first side 7400 of the rotating holder 7000 and a card notch 7410 located at the bottom of the first side 7400) corresponding to each single-card placing position 7100 is provided on the rotating holder 7000, and a fifth positioning portion (i.e., a first side 1520) corresponding to the single-card placing position 7100 is provided on the detection holder base 1210, and the second side 1520 is opposite to the first side 7400 and is used for limiting each single-card test strip 6000. After the rotating support piece is adopted, a plurality of single-card test strips 6000 can be placed on the single-card placing position 7100 of the rotating support piece 7000 in advance at one time, then the rotating support piece 7000 with the single-card test strips 6000 is placed on the detection seat basal body 1210, the rotating support piece 7000 is positioned through the positioning convex column 1240, one end of each single-card test strip 6000 is clamped in the clamping gap 7410 at the bottom of the first side edge 7400, the other end of each single-card test strip is clamped by the second side edge 1520, and after the rotating support piece is adopted, the placing or taking out of the single-card test strips 6000 is more convenient.

The detecting assembly 1000 further comprises a box body 1800 consisting of an upper box 1810 and a lower box 1820, the box body 1800 is made of plastic, the upper box 1810 and the lower box 1820 are mutually covered, six mounting posts 1702 are arranged on the lower surface of the supporting base 1500, and the supporting base 1500 is fixedly connected with the lower box 1820 through the mounting posts 1702. The box body 1800 is provided with a second yielding block 1830, and the second yielding block 1830 is close to the edge of the detection area and is located at two ends of the connection direction of the plurality of detection holes 1211.

The calibration area of the calibration member fixing seat 1100 and a part of the detection supporting seat 1200 are located in the box body 1800, an operation window 1811 is arranged on the box body 1800, and the detection area on the detection supporting seat 1200 is exposed relative to the operation window 1811 to facilitate the detection operation. The detection support seat 1200 and the support base 1500 are made of heat conducting materials (in this embodiment, aluminum alloy is used), a first heating element is disposed between the detection support seat 1200 and the support base 1500, the first heating element is preferably a heating film (not shown in the figure), and the heating film is fixed between the detection support seat 1200 and the support base 1500 in a sticking manner.

A replacement window 1812 is disposed at a side of the case body 1800, when the calibration piece fixing base 1100 is located at the calibration position or the detection position, the side notch 1140 is opposite to the replacement window 1812, and a cover plate 1813 is disposed on the replacement window 1812.

A first position sensing element 1701 is arranged between the support base 1500 and the calibration piece fixing base 1100, and the displacement of the calibration piece fixing base 1100 is sensed through the first position sensing element 1701; a second position sensing element 1703 is disposed between the base 3300 and the heating assembly 1300 to sense the position of the heating assembly 1300, so as to achieve precise control of the displacement of the two.

The use process of the detection analyzer in this embodiment is:

1. replacement of calibration part 4000:

when the second driving device is started, the detecting assembly 1000 moves relative to the first guide rail 2120 under the driving action of the second motor 2310, the movable cover 3212 is opened, and the detecting assembly 1000 moves into the space in the housing through the moving-out window 3211;

activating the first driving device 2100 to move the calibration piece holder 1100 to the calibration position, wherein the side notches 1140 are aligned with the replacement windows 1812;

opening a cover 1813 at the side of the case 1800, removing the calibration member 4000 from the replacement window 1812, and inserting a new calibration member 4000 into the socket;

the replacement window 1812 is covered by a cover plate 1813.

2. Detection by a detection analyzer

Starting up, and sending out a detection instruction through a key;

the first driving device 2100 drives the calibration piece fixing base 1100 to move to the calibration position;

the detection light source emits detection light to the calibration component 4000 of the calibration piece fixing seat 1100, and the sensing element 1651 detects the calibration component 4000 and obtains a calibration signal;

the first driving device 2100 drives the calibration piece fixing base 1100 to move to the detection position;

the detection light source emits detection light to the detection sample of the detection support seat 1200, and the sensing element 1651 detects the detection sample and obtains a detection signal;

and processing the detection signal and the calibration signal to obtain an actual measurement result.

The above embodiments are provided to illustrate, reproduce and deduce the technical solutions of the present invention, and to fully describe the technical solutions, the objects and the effects of the present invention, so as to make the public more thoroughly and comprehensively understand the disclosure of the present invention, and not to limit the protection scope of the present invention.

The above examples are not intended to be exhaustive of the invention and there may be many other embodiments not listed. Any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.

Such as: in this embodiment, the number of the first light emitting element 1621, the second light emitting element 1631, the sensing element 1651, the detection hole 1211 and the calibration hole 1130 is six, and it is understood that the number is not particularly limited; the foregoing "number corresponds" does not require that both be equal in number, and may be set to one to two, or one to many.

Claims (12)

1. The detection assembly is characterized by comprising a calibration piece fixing seat and a detection fixing seat, wherein a calibration area is arranged on the calibration piece fixing seat, a first driving device is arranged on the detection fixing seat, the first driving device is connected with the calibration piece fixing seat through a first elastic piece, a positioning table is arranged on the detection fixing seat, when in calibration, the calibration piece fixing seat moves forwards under the action of the first driving device, one side of the calibration piece fixing seat is abutted and pressed by the first elastic piece, and the other side of the calibration piece fixing seat is limited by the positioning table.

2. The detecting assembly as claimed in claim 1, wherein the detecting fixing base comprises a detecting supporting base and a supporting base, and the detecting light source and the sensing device are disposed on the supporting base.

3. The inspection assembly of claim 2, wherein the positioning stages include a first positioning stage located at a middle portion and two second positioning stages located at side portions.

4. The detecting assembly according to claim 3, wherein a first guiding portion is provided on the supporting base, a second guiding portion is provided on the calibration member fixing base, the first guiding portion and the second guiding portion are both along a driving direction of the first driving device, and the first guiding portion is engaged with the second guiding portion.

5. The detecting assembly according to claim 4, wherein a guiding edge is provided on each side of the supporting base, a guiding side edge is provided on each side of the calibration member fixing seat, two guiding side edges of the calibration member fixing seat are slidably engaged with the guiding edges, the first guiding portion is a guiding edge, and the second guiding portion is a guiding side edge; or, be equipped with the guide way on the support base be equipped with the direction arch on the calibration piece fixing base, the protruding card of direction is gone into in the guide way and is cooperated with the guide way, first guide part is the guide way, the second guide part is the direction arch.

6. The detecting assembly according to any one of claims 2 to 5, wherein the detecting support base is fixedly connected to the supporting base to form a sliding space therebetween, and the calibration member fixing base is movably disposed in the sliding space.

7. The detecting assembly according to claim 6, wherein the number of the detecting light sources and the number of the detecting elements are at least two, the calibrating region of the calibrating member fixing seat has at least two calibrating holes, the detecting support seat has at least two detecting holes, and the number of the detecting light sources, the number of the detecting elements, the number of the calibrating holes and the number of the detecting holes correspond to each other.

8. The detection assembly of any one of claims 1-5, wherein the first resilient member comprises: the hollow sleeve is provided with a sliding hole at the front end, the rear end of the ejector rod is provided with an expansion limiting head, an output shaft of the first driving device is connected with the sleeve, the expansion limiting head is located in the sleeve, the rear end of the expansion limiting head is jacked by the first spring, the front end of the ejector rod extends out through the sliding hole, the front end of the sleeve is provided with a first limiting portion, an action groove is formed in the calibration piece fixing seat, a jacking portion is arranged on the front side of the action groove, a second limiting portion is arranged on the rear side of the action groove, the front end of the sleeve extends into the action groove, the first limiting portion of the sleeve is limited by the second limiting portion, and the end portion of the front end of the ejector rod faces the jacking portion.

9. The detecting assembly according to claim 8, wherein the circumferential surface of the output shaft of the first driving device has a strip in an axial direction, the end of the output shaft has a journal, the rear end of the sleeve is circumferentially provided with a bayonet, the bayonet of the sleeve is clamped on the strip, and the sleeve is provided with a fixing screw, and the fixing screw is clamped on the journal of the output shaft to realize the connection between the sleeve and the output shaft of the first driving device.

10. The detecting assembly according to any one of claims 1 to 5, wherein the calibration piece fixing base includes a calibration base body, a first surface limiting portion and a second surface limiting portion are disposed on the calibration base body, a slot for conveniently receiving the calibration piece is formed between the first surface limiting portion and the second surface limiting portion, the slot is along a main body direction of the calibration base body, and a side notch communicated with the slot is disposed on a side portion of the calibration piece fixing base.

11. Detection analyzer, its characterized in that includes: the detection assembly of any one of the preceding claims, wherein the outer casing has an inner space therein, the outer casing has a removal window therein, the outer casing has a base frame therein, the base frame has a first guide rail thereon, the detection assembly is mounted on the base frame via the first guide rail, and a second driving device is provided between the detection assembly and the base frame, and under the action of the second driving device, the detection area of the detection assembly is moved into or out of the inner space of the casing via the removal window.

12. The detection positioning method is characterized by comprising the following steps:

receiving a positioning instruction;

the first driving device translates and pushes the calibration piece fixing seat to slide;

the calibration piece fixing seat slides to a set position, and the first side of the calibration piece fixing seat is limited by the positioning table;

the first driving device continues to translate, and the first elastic piece limits the second side of the calibration piece fixing seat under the action of the first driving device;

the calibration piece fixing seat is positioned and used for calibration or detection.

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