CN218121770U

CN218121770U - Detection module rotary disk gap shading device

Info

Publication number: CN218121770U
Application number: CN202222146346.5U
Authority: CN
Inventors: 梁庆琳; 罗继全; 李昆鹏
Original assignee: Sinocare Inc
Current assignee: Sinocare Inc
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-23
Anticipated expiration: 2032-08-16

Abstract

The utility model relates to a chemiluminescence detects technical field, indicates a detection module rotary disk clearance shade very much, including hollow casing, detection dish, it locates to detect the dish rotation in the casing, the vertical rotation of inside wall of casing is connected with two first shading cylinders, first shading cylinder with the lateral wall contact of detection dish is connected, the test position of detecting the dish is located two between the first shading cylinder. Be connected with two first shading cylinder through the vertical rotation of the inside wall at the casing, first shading cylinder with the lateral wall contact connection of detection dish for drive first shading cylinder when detecting the dish and rotate, first shading cylinder all the time with the lateral wall contact of detecting the dish, two first shading cylinder are located the both sides of test position, block the adjacent clearance in test position both sides, thereby can shelter from the luminous influence to the test of the adjacent reaction cup in both sides, are favorable to improving the test accuracy.

Description

Detection module rotary disk gap shading device

Technical Field

The utility model relates to a chemiluminescence detects technical field, indicates a detection module rotary disk clearance shade very much.

Background

The chemiluminescence detection principle is that the self-luminous light intensity of the mixed liquid of the reagent and the sample which have undergone chemical reaction in the reaction cup is obtained through an optical detection module (PMT), and the concentration of a specific substance in the reaction cup is calculated according to the light intensity.

Chinese patent publication No. CN208568809U provides a chemiluminescence detection apparatus, which comprises a support table, wherein the support table is provided with a detection disc and a first driving motor for driving the detection disc to rotate along the circumferential direction thereof, the detection disc is provided with a plurality of detection positions at intervals along the circumferential direction, and each detection position is provided with a reaction cup; the supporting platform comprises a shell, and the detection disc is driven by the first driving motor to rotate in the shell in the circumferential direction so that the reaction cup rotates to a test position for testing. Because the detection disc rotates in the shell, in order to avoid the interference of the shell with the rotation of the detection disc, a gap is inevitably formed between the shell and the detection disc, and light emitted by adjacent reaction cups is reflected towards the inner surface of the shell and then possibly enters a test position to be received by the PMT to form stray light influence, so that the test sensitivity and precision are influenced, and the test result is inaccurate.

Therefore, the prior art has a larger improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at remedying the defects of the prior art and providing a shading device for the gap between rotary disks of a detection module.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a detection module rotary disk clearance shade, including hollow casing, detection dish, it locates to detect the dish rotation in the casing, the vertical rotation of inside wall of casing is connected with two first shading cylinders, first shading cylinder with the lateral wall contact of detection dish is connected, the test position of detecting the dish is located two between the first shading cylinder.

Through the structure, the detection disc drives the first shading roller to rotate when rotating, the first shading roller is always in contact with the outer side wall of the detection disc, the two first shading rollers are located on two sides of the test position, and the gaps adjacent to two sides of the test position are blocked, so that the influence of the light emission of the reaction cups adjacent to two sides on the test can be blocked, and the test accuracy is improved.

According to the scheme, the side wall of the shell is provided with a test hole corresponding to the test position, the outer side wall of the shell is provided with a groove, and the test hole penetrates through the groove; the outer side of the shell is fixedly connected with a PMT detection module, and the detection end of the PMT detection module is provided with a bulge matched with the groove.

Light emitted by the reagent in the reaction cup at the testing position of the testing plate passes through the testing hole and enters the PMT testing module, so that an optical signal is received by the PMT testing module. The protrusion and the groove of the detection end of the PMT detection module are matched to form an enclosing structure, so that the protrusion of the PMT detection module for receiving optical signals is enclosed in the groove of the shell, and a partial shading effect is achieved.

According to the scheme, the inner wall of the bottom of the shell is rotatably connected with two second shading rollers, the two second shading rollers are in contact connection with the lower surface of the detection disc, and the two second shading rollers are located on the left side and the right side of the test position.

Because detect the dish and rotate inside the casing, then also must have the clearance between the bottom of detecting the dish and the casing, this application is through setting up two second shading cylinders between detection dish bottom and casing to carry out the shading to the left and right sides bottom of test position, the light of avoiding adjacent reaction cup to send enters into the test position from the bottom clearance, thereby further improves the test accuracy.

According to the scheme, the inner side wall of the shell is provided with the mounting groove for mounting the first shading roller.

According to the scheme, the first shading roller comprises a cylindrical section, and a positioning column is coaxially fixed at the top of the cylindrical section; the mounting groove comprises a positioning hole and a slotted hole, the positioning column is sleeved in the positioning hole, the slotted hole penetrates through the bottom of the shell, a screw is connected to the position, close to the slotted hole, of the lower surface of the shell in a threaded mode, and the screw head of the screw is abutted to the bottom of the cylindrical section.

Through the arrangement, the first shading roller can be inserted into the positioning hole from the bottom of the shell until the positioning column is inserted into the positioning hole, and then the screw is arranged at the position, close to the slotted hole, of the lower surface of the shell, so that the screw head of the screw is abutted against the bottom of the cylindrical section, and the assembly efficiency is improved; the screw has supporting and limiting effects on the first shading roller, and the first shading roller is prevented from falling from the slotted hole.

According to the scheme, the screw is sleeved with the supporting washer, and the supporting washer is located between the screw head and the cylindrical section. The supporting effect is further improved by arranging the supporting gasket.

According to the scheme, a plurality of U-shaped grooves are formed in the edge of the detection disc and used for placing reaction cups; the detection plate is driven to rotate by a driving mechanism and a transmission mechanism, so that reaction cups on the detection plate sequentially rotate to the test position.

According to the scheme, the device further comprises a bottom plate, the shell is fixed on the bottom plate, and the detection plate is rotatably connected with the bottom plate.

According to above scheme, actuating mechanism is the rotating electrical machines, drive mechanism includes pivot, first band pulley, second band pulley, hold-in range, detect the upper end fixed connection of dish and pivot, the lower extreme of pivot is equipped with first band pulley, one side of first band pulley is equipped with the rotating electrical machines, and the rotating electrical machines passes through connecting plate and bottom plate fixed connection, is equipped with the second band pulley on the output shaft of rotating electrical machines, be connected through synchronous belt drive between second band pulley and the first band pulley. The rotating motor drives the detection disc to rotate in the shell through the second belt wheel, the synchronous belt and the first belt wheel.

According to the scheme, the upper end of the shell is provided with the upper cover assembly. The upper cover assembly can be provided with a cup throwing device, and the structure of the cup throwing device can be referred to Chinese patent with publication number CN214409007U, which is not described in detail in the present application.

The beneficial effects of the utility model reside in that:

the utility model discloses a vertical rotation of inside wall at the casing is connected with two first shading cylinder, first shading cylinder with the lateral wall contact of detection dish is connected for drive first shading cylinder when detecting the dish and rotate, first shading cylinder all the time with the lateral wall contact of detecting the dish, two first shading cylinder are located the both sides of test position, block the adjacent clearance in test position both sides, thereby can shelter from the luminous influence to the test of the adjacent reaction cup in both sides, be favorable to improving the test accuracy.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a first cross-sectional view of the present invention;

fig. 4 is a second cross-sectional view of the present invention;

fig. 5 is a schematic view of a partial structure of the present invention.

In the figure: 1. a housing; 11. a first shade roller; 111. a cylindrical section; 112. a positioning column; 12. a groove; 121. a test hole; 13. a second shade roller; 14. positioning holes, 15 and slotted holes; 2. detecting a disc; 21. a test bit; 22. a U-shaped groove; 23. a reaction cup; 3. a PMT detection module; 31. a protrusion; 4. a screw head; 41. a support washer; 5. a base plate; 51. a connecting plate; 52. a rotating shaft 521 and a first belt pulley; 6. a rotating electric machine; 61. a second pulley; 62. a synchronous belt; 7. and an upper cover assembly.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-5, a detection module rotary disk clearance shade, including hollow casing 1, detection dish 2 rotates to be located in the casing 1, the vertical rotation of casing 1's inside wall is connected with two first shading cylinder 11, first shading cylinder 11 with the lateral wall contact of detection dish 2 is connected, the test position 21 of detecting dish 2 is located two between the first shading cylinder 11.

Through the structure setting, drive first shading cylinder 11 and rotate when detecting dish 2 rotates, first shading cylinder 11 contacts with the lateral wall that detects dish 2 all the time, and two first shading cylinder 11 are located the both sides of test position 21, block the adjacent clearance in test position 21 both sides to can shelter from the luminous influence to the test of the adjacent reaction cup 23 in both sides, be favorable to improving the test accuracy.

Further, a testing hole 121 corresponding to the testing position 21 is formed in the side wall of the housing 1, a groove 12 is formed in the outer side wall of the housing 1, and the testing hole 121 penetrates through the groove 12; the outer side of the shell 1 is fixedly connected with a PMT detection module 3, and the detection end of the PMT detection module 3 is provided with a protrusion 31 matched with the groove 12.

The light emitted from the reagent in the cuvette 23 at the test site 21 of the test plate 2 passes through the test hole 121 and enters the PMT detection module 3, so that the light signal is received by the PMT detection module 3. Protruding 31 and the recess 12 cooperation of detection end through setting up PMT detection module 3 form the surrounding structure, make PMT detection module 3 receive optical signal's protruding 31 encirclement in the recess 12 of casing 1, play partial shading effect.

Further, the inner wall of the bottom of the housing 1 is rotatably connected with two second shading rollers 13, the two second shading rollers 13 are in contact connection with the lower surface of the detection plate 2, and the two second shading rollers 13 are located at the left and right sides of the test position 21.

Because detect dish 2 and rotate in casing 1 is inside, then also must have the clearance between bottom and the casing 1 of detecting dish 2, this application is through setting up two second shading cylinders 13 between detecting dish 2 lower surface and casing 1 to carry out the shading to the left and right sides bottom of test position 21, avoid the light that adjacent reaction cup 23 sent to enter into test position 21 from the bottom clearance, thereby further improve the test accuracy.

Further, an installation groove for installing the first shading roller 11 is opened on the inner side wall of the housing 1.

Further, the first shade cylinder 11 includes a cylindrical section 111, and a positioning column 112 is coaxially fixed on the top of the cylindrical section 111; the mounting groove comprises a positioning hole 14 and a slot hole 15, the positioning column 112 is sleeved in the positioning hole 14, the slot hole 15 penetrates through the bottom of the shell 1, a screw is connected to the position, adjacent to the slot hole 15, of the lower surface of the shell 1 in a threaded manner, and a screw head 4 of the screw is abutted to the bottom of the cylindrical section 111.

Through the arrangement, the first shading roller 11 can be inserted from the bottom of the shell 1 until the positioning column 112 is inserted into the positioning hole 14, and then the screw is arranged on the lower surface of the shell 1 adjacent to the slotted hole 15, so that the screw head 4 of the screw is abutted against the bottom of the cylindrical section 111, and the assembly efficiency is improved; the screw head 4 supports and limits the first shading roller 11, and prevents the first shading roller 11 from falling from the slot hole 15.

Further, the screw is sleeved with a support washer 41, and the support washer 41 is located between the screw head 4 and the cylindrical section 111. The supporting effect is further improved by providing a supporting washer 41.

Furthermore, a plurality of U-shaped grooves 22 are formed on the edge of the detection plate 2, and the U-shaped grooves 22 are used for placing reaction cups 23; the detection plate 2 is driven to rotate by a driving mechanism and a transmission mechanism, so that the reaction cups 23 on the detection plate 2 sequentially rotate to the test positions 21.

Further, the detection device also comprises a bottom plate 5, the shell 1 is fixed on the bottom plate 5, and the detection plate 2 is rotatably connected with the bottom plate 5.

Further, the driving mechanism is a rotating motor 6, the transmission mechanism includes a rotating shaft 52, a first belt pulley 521, a second belt pulley 61 and a synchronous belt 62, the detection disc 2 is fixedly connected with the upper end of the rotating shaft 52, the first belt pulley 521 is arranged at the lower end of the rotating shaft 52, the rotating motor 6 is arranged on one side of the first belt pulley 521, the rotating motor 6 is fixedly connected with the bottom plate 5 through a connecting plate 51, the second belt pulley 61 is arranged on an output shaft of the rotating motor 6, and the second belt pulley 61 is in transmission connection with the first belt pulley 521 through the synchronous belt 62. The rotary motor 6 drives the detection tray 2 to rotate in the housing 1 through the second pulley 61, the timing belt 62, the first pulley 521, and the rotation shaft 52.

Further, an upper cover assembly 7 is provided at an upper end of the housing 1.

When the detection module rotating disc gap shading device is used, the rotating motor 6 drives the detection disc 2 to rotate in the shell 1 through the second belt wheel 61, the synchronous belt 62, the first belt wheel 521 and the rotating shaft 52, so that the reaction cups 23 on the detection disc 2 sequentially rotate to the test positions 21, light emitted by reagents in the reaction cups 23 at the test positions 21 of the detection disc 2 passes through the test holes and enters the PMT detection module 3, and thus optical signals are received by the PMT detection module 3 to realize detection; when in detection, the first shading roller 11 and the second shading roller 13 block the gaps at the left and right sides of the side wall and the bottom of the test position 21, and the adjacent reaction cups 23 at the two sides of the test position 21 are prevented from emitting light to influence the test.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a detection module rotary disk clearance shade, includes hollow casing (1), be equipped with in casing (1) and detect dish (2), its characterized in that, the vertical rotation of inside wall of casing (1) is connected with two first shading cylinder (11), first shading cylinder (11) with the lateral wall contact of detecting dish (2) is connected, test position (21) of detecting dish (2) are located two between first shading cylinder (11).

2. The detection module rotating disc gap shading device is characterized in that a testing hole (121) corresponding to a testing position (21) is formed in the side wall of the shell (1), a groove (12) is formed in the outer side wall of the shell (1), and the testing hole (121) penetrates through the groove (12); the outer side of the shell (1) is fixedly connected with a PMT detection module (3), and the detection end of the PMT detection module (3) is provided with a protrusion (31) matched with the groove (12).

3. The inspection module rotating disk gap masking apparatus according to claim 1, wherein two second masking rollers (13) are rotatably connected to the inner bottom wall of the housing (1), the two second masking rollers (13) are in contact connection with the lower surface of the inspection disk (2), and the two second masking rollers (13) are located at the left and right sides of the inspection site (21).

4. The detection module rotating disc gap shading device according to claim 1, wherein an installation groove for installing the first shading roller (11) is formed on the inner side wall of the shell (1).

5. A detection module rotating disc gap shading device according to claim 4, wherein the first shading drum (11) comprises a cylindrical section (111), and a positioning column (112) is coaxially fixed on the top of the cylindrical section (111); the mounting groove comprises a positioning hole (14) and a slotted hole (15), the positioning column (112) is sleeved in the positioning hole (14), the slotted hole (15) penetrates through the bottom of the shell (1), a screw is connected to the position, close to the slotted hole (15), of the lower surface of the shell (1) in a threaded mode, and a screw head (4) of the screw is abutted to the bottom of the cylindrical section (111).

6. Detection module rotating disc gap shading device according to claim 5, wherein a support washer (41) is sleeved on the screw, and the support washer (41) is located between the screw head (4) and the cylindrical section (111).

7. The gap shading device for the rotating disc of the detection module according to claim 1, wherein a plurality of U-shaped grooves (22) are formed on the edge of the detection disc (2), and the U-shaped grooves (22) are used for placing reaction cups (23); the detection disc (2) is driven to rotate by a driving mechanism and a transmission mechanism, so that reaction cups (23) on the detection disc (2) sequentially rotate to the test positions (21).

8. The inspection module rotating disk gap shutter as claimed in claim 7, further comprising a bottom plate (5), wherein the housing (1) is fixed to the bottom plate (5), and the inspection disk (2) is rotatably connected to the bottom plate (5).

9. The detection module rotating disc gap shading device according to claim 8, wherein the driving mechanism is a rotating motor (6), the transmission mechanism comprises a rotating shaft (52), a first belt wheel (521), a second belt wheel (61) and a synchronous belt (62), the detection disc (2) is fixedly connected with the upper end of the rotating shaft (52), the first belt wheel (521) is arranged at the lower end of the rotating shaft (52), the rotating motor (6) is arranged on one side of the first belt wheel (521), the rotating motor (6) is fixedly connected with the bottom plate (5) through a connecting plate (51), the second belt wheel (61) is arranged on an output shaft of the rotating motor (6), and the second belt wheel (61) is in transmission connection with the first belt wheel (521) through the synchronous belt (62).

10. Detection module rotating disc gap shutter according to claim 1, characterized in that the upper end of the housing (1) is provided with a cover assembly (7).