CN220126259U - Automatic heating device for reagent strips - Google Patents

Abstract

The utility model discloses an automatic reagent strip heating device, which belongs to the technical field of reagent detection and comprises an outer cover, a base and a sliding table, wherein the outer cover is arranged on the sliding table, the sliding table is movably connected to the base, the automatic reagent strip heating device further comprises a barrier strip structure, a bracket and a heater, the bracket is detachably connected to the sliding table, the bracket is positioned on one side of the outer cover, the heater is arranged on one side of the base, the bracket comprises a positioning groove, the positioning groove penetrates through the bracket and can be aligned with the heater, the barrier strip structure is telescopically connected to the sliding table, the barrier strip structure can shield the positioning groove, and after a reagent strip is inserted into the positioning groove, the heater can be accurately aligned under the driving of the sliding table, so that the reagent strip can be accurately placed in the heater for preheating, and the temperature stability of the heated reagent strip is ensured, thereby improving the accuracy of reagent detection.

Description

Automatic heating device for reagent strips

Technical Field

The utility model relates to the technical field of reagent detection, in particular to an automatic heating device for a reagent strip.

Background

In medical testing, a portion of the test requires preheating the test card to meet the requirements for testing the sample. The common heating mode is to place the detection card on heating element, heats the reagent strip through heating element or directly adopts the mode of air heat convection to heat nearby air, reaches the purpose of heating the detection card, and these two modes all have drawbacks, receive outside temperature's influence easily, and the manual reagent strip of inserting is accurate inadequately, and the uniformity of a plurality of reagent strips simultaneous heating is not good, when outside temperature appears changing, the manual unable timely control heating effect, leads to overheated condition to take place, can influence the accuracy of detection.

The patent of current bulletin number CN217331862U discloses a detect card heater including first heating element, second heating element and insulating layer, first heating element with at least one is provided with first recess position on the second heating element, first heating element with the second heating element is pressed close to, just first recess is located first heating element with the relative one side of second heating element, the insulating layer cladding is in first heating element with the outside of second heating element, this detect card heater's location to the reagent strip is unstable enough, leads to the reagent strip dislocation easily, and heating element soaking effect is not good in addition, heats the uniformity of a plurality of reagent strips simultaneously, uses and makes mistakes easily.

Disclosure of Invention

The utility model aims to provide an automatic reagent strip heating device, which solves the problems of unstable heating temperature, poor consistency of heating a plurality of reagent strips and complicated heating operation of the existing reagent strips.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a reagent strip self-heating device, includes dustcoat, base and slip table, the dustcoat sets up on the slip table, slip table swing joint is in on the base, still include blend stop structure, bracket and heater, bracket detachably connects on the slip table, just the bracket is in one side of dustcoat, the heater sets up one side of base, the bracket includes the constant head tank, the constant head tank passes the bracket can with the heater is aimed at, blend stop structure telescopic connection is in on the slip table, just the blend stop structure can shelter from the constant head tank, after the reagent strip inserts in the constant head tank, can be in accurate counterpoint under the drive of slip table the heater makes the reagent strip can accurately place preheat in the heater, guarantees that the heating reagent strip temperature is stable to improve the accuracy that the reagent detected.

Preferably, the outer cover comprises a shell, a protruding portion and an alignment hole, the protruding portion is arranged on one side wall of the shell, the alignment hole is formed in the protruding portion, the alignment hole is aligned with the positioning groove, one side of the alignment hole penetrates through the protruding portion to form an opening, the alignment hole and the positioning groove are combined to position the reagent strip, the reagent strip is prevented from shaking, and the opening of the alignment hole is convenient for taking out the reagent strip.

Preferably, the sliding table is further provided with a supporting piece, the supporting piece is arranged on the sliding table, a part of the supporting piece extends out of the sliding table, the supporting piece is provided with a through groove, the bracket is detachably connected to the outward part of the supporting piece, the through groove is aligned with the positioning groove, and the supporting piece separates the bracket from the sliding table, so that the sliding table is compact in structure.

Preferably, the barrier strip structure comprises a push-pull rod, an electromagnetic attraction element, a baffle and a guide block, wherein the electromagnetic attraction element is arranged on the sliding table, the push-pull rod is slidably connected with the electromagnetic attraction element, one end of the push-pull rod is connected with the baffle, the guide block is connected with the support to form a guide channel, and the baffle penetrates through the guide channel to shield the lower part of the positioning groove and is used for carrying out uniform release after reagent strips on the bracket are in place.

Preferably, the sliding table further comprises a first limiting block, a first magnet and an anti-collision plate, the first limiting block is close to the bracket and arranged on the sliding table, the first magnet is arranged in the first limiting block, the anti-collision plate is connected with the first limiting block, the first magnet is wrapped in the first limiting block and used for improving the accuracy of the in-place reagent strip, ensuring that the sliding table stops stabilizing in place, and improving the accuracy of the in-place heater of the reagent strip.

Preferably, the sliding table further comprises a scratch-resistant plate, the scratch-resistant plate is inlaid on the end face of the base, the scratch-resistant plate is in contact with the sliding table, the sliding table can be positioned along the end face perpendicular to the base, and the accuracy of the sliding table in place is improved.

Preferably, the base comprises a sliding groove, the sliding groove is formed in the inner wall of the base, the sliding groove comprises sliding plates and guiding portions, the guiding portions are arranged on two sides of the sliding plates, the guiding portions are in clearance fit with the sliding grooves, guiding can be carried out along the moving direction of the sliding groove, and accuracy of in-place reagent strips is guaranteed.

Preferably, the bracket further comprises a second magnet, a third magnet and an alignment groove, wherein the second magnet is arranged in the middle of the bracket, the third magnet is arranged at two ends of the bracket, and the alignment groove is arranged on the lower end face of the bracket, so that the bracket is convenient to assemble and disassemble and accurate to position.

Preferably, the device further comprises a heating cup, wherein the heating cup is arranged right below the positioning groove and detachably connected to the heater for accommodating the reagent strips for heating.

Preferably, the heater comprises an electric heating plate and a thermal control element, the electric heating plate is arranged to surround the heating cup, and the thermal control element is arranged on the electric heating plate, so that heating time can be controlled, and heating safety is improved.

The beneficial effects of the utility model are as follows:

(1) This reagent strip self-heating device is last to be equipped with slip table and dustcoat, slip table swing joint is on the base, the top of heater is once only transported to the reagent strip that will heat through removing the slip table, the heater can carry out contact heating to the part of reagent strip sample, guarantee that the unanimity of many reagent strip heats is good, be equipped with the counterpoint hole of location reagent strip on the dustcoat, be equipped with the constant head tank on the slip table, the counterpoint hole aligns with the constant head tank, the reagent strip passes the counterpoint hole and falls into the constant head tank, can form stable support and accurate location to the reagent strip, and insert the convenient operation of reagent strip, still be equipped with the blend stop structure on the slip table, after the slip table moves to the top of heater, the blend stop structure retreats and releases the reagent strip from the constant head tank, the reagent strip free fall carries out to the heater in and accomplish preheating, after the heating is accomplished, the heater self-stopping heating, the effect of heating reagent strip is good, the heating reagent strip efficient and the operator's degree of difficulty has been reduced.

(2) The baffle strip structure on this reagent strip self-heating device is driven by electromagnetic actuation component, the baffle directly stretches into the below of constant head tank, still be equipped with the guide block on the bracket, can restrict and lead to for the baffle, prevent that the baffle warp dislocation, lead to releasing the reagent strip inaccurately, including two sets of push-and-pull rods at the baffle strip structure, can put into the heater with the reagent strip selectively and heat for the device can satisfy the detection operation requirement of different grade type, be equipped with support piece on the slip table, support piece's part extends to the slip table outside, the bracket is installed on this part, make compact structure.

(3) The utility model provides a still adorn first stopper, first magnet and anticollision board on this reagent strip self-heating device's the slip table, as the stop position that the slip table removed to the heater, improve the location accuracy of constant head tank and heater on the slip table, first magnet is installed in first stopper, can produce suction to the tip of slip table, guarantee reagent strip on the bracket and can accurately fall into in the heater, still adorn resistant scraper blade on the terminal surface of base, resistant scraper blade is in the below of slip table removal stop position, plays the effect that keeps the slip table stable after stopping.

(4) The bracket is detachably connected to the supporting piece on the automatic reagent strip heating device, the second magnet and the third magnet are arranged below the bracket, reagent strips with different specifications and shapes can be positioned by rapidly disassembling the bracket, the alignment groove is further arranged below the bracket and matched with the supporting piece, accurate positioning of the bracket is realized, and the alignment groove on the bracket is aligned with the center of the heating cup.

Drawings

FIG. 1 is an exploded view of the automatic reagent strip heating apparatus of the present utility model;

FIG. 2 is an isometric view of the automatic reagent strip heating apparatus of the present utility model;

FIG. 3 is a front view of the automatic reagent strip heating apparatus provided by the present utility model;

FIG. 4 is a side view of the automated reagent strip heating apparatus provided by the present utility model;

FIG. 5 is a top view of the automatic reagent strip heating apparatus according to the present utility model

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 9 is a cross-sectional view taken along line D-D of FIG. 5;

FIG. 10 is an isometric view of a bracket provided by the present utility model;

FIG. 11 is a front view of a bracket provided by the present utility model;

fig. 12 is a cross-sectional view taken along line E-E of fig. 11.

Reference numerals:

1. an outer cover; 11. a housing; 12. a protruding portion; 13. an alignment hole; 2. a base; 21. a chute; 3. a sliding table; 31. a slide plate; 32. a guide part; 33. a first limiting block; 34. a first magnet; 35. an anti-collision plate; 36. a scratch resistant plate; 37. a top block; 38. a second limiting block; 39. a support; 4. a barrier strip structure; 41. a push-pull rod; 42. an electromagnetic attraction element; 43. a baffle; 44. a guide block; 5. a bracket; 51. a positioning groove; 52. a second magnet; 53. a third magnet; 54. an alignment groove; 6. heating the cup; 7. a heater; 71. an electric heating plate; 72. a thermal control element; 8. a reagent strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model.

Example 1

As shown in fig. 1-12, the utility model discloses an automatic reagent strip heating device, which comprises an outer cover 1, a base 2, a sliding table 3, a baffle strip structure 4, a bracket 5 and a heater 7, wherein the outer cover 1 is arranged on the sliding table 3, the sliding table 3 is movably connected to the sliding table 3, the bracket 5 is detachably connected to the sliding table 3, reagent strips 8 with different shapes can be positioned by replacing the bracket 5, the bracket 5 is positioned on one side of the outer cover 1, the heater 7 is arranged on one side of the base 2 and is positioned below the bracket 5, the bracket 5 comprises a positioning groove 51, the positioning groove 51 can be aligned with the heater 7 by penetrating through the bracket 5, the baffle strip structure 4 is telescopically connected to the sliding table 3, the baffle strip structure 4 can shield the positioning groove 51, the time of falling into the heater 7 is accurately controlled by one time, the reagent strips 8 can be heated conveniently and accurately, and the consistency of heating a plurality of reagent strips 8 is ensured.

Further, the housing 1 comprises a shell 11, a protruding portion 12 and an alignment hole 13, the protruding portion 12 is arranged on one side wall of the shell 11, the alignment hole 13 penetrates the protruding portion 12, the alignment hole 13 is aligned with the positioning groove 51, one side of the alignment hole 13 penetrates the protruding portion 12 to form an opening, the protruding portion 12 is flush with the end of the shell 11, when in use, the shell 11 is pushed to drive the sliding table 3 and the reagent strip 8 to move, the alignment hole 13 and the positioning groove 51 have a certain distance along the vertical direction, the posture of the reagent strip 8 can be adjusted, and the reagent strip 8 can accurately fall into the heating cup 6.

Preferably, the barrier strip structure 4 comprises a push-pull rod 41, an electromagnetic attraction element 42, a baffle 43 and a guide block 44, wherein the electromagnetic attraction element 42 is arranged on the sliding plate 31, the push-pull rod 41 is slidably connected in the electromagnetic attraction element 42, one end of the push-pull rod 41 is connected with the baffle 43, the guide block 44 is connected with the support 39 to form a guide channel, and the baffle 43 passes through the guide channel to shield the lower part of the positioning groove 51, so that the time when the reagent strip 8 falls to the heating cup 6 is directly controlled, and the moving stability of the baffle 43 is improved.

Preferably, the sliding table 3 comprises a sliding plate 31, the sliding plate 31 is slidably connected to the base 2, the supporting piece 39 is arranged on the sliding plate 31, a part of the supporting piece 39 extends out of the sliding plate 31, a through groove is formed in the supporting piece 39, the bracket 5 is detachably connected to the outward part of the supporting piece 39, the through groove is aligned with the positioning groove 51, the supporting piece 39 is a sheet metal part formed by bending, openings are formed in the side wall of the supporting piece 39 and the bottom wall in contact with the positioning groove 51 and used for allowing the reagent strips 8 and the baffle 43 to pass through, and the supporting piece 39 supports the bracket 5 upwards through the bending part, so that the bracket 5 is positioned above the heating cup 6, and the whole structure is compact.

Preferably, the sliding table 3 further comprises a first limiting block 33, a first magnet 34 and an anti-collision plate 35, the first limiting block 33 is arranged on the sliding plate 31 close to the bracket 5, the first magnet 34 is arranged in the first limiting block 33, the anti-collision plate 35 is connected with the first limiting block 33, the first magnet 34 is wrapped in the first limiting block 33, a top block 37 is arranged on the end face, facing the heater 7, of the sliding plate 31, the top block 37 is in contact with the anti-collision plate 35 when the sliding table 3 reaches a termination position, and magnetic attraction effect is generated between the top block 37 and the first magnet 34, so that the accuracy of the in-place stop of the sliding table 3 is ensured, and meanwhile, the durability of long-term use can be ensured.

In addition, a second limiting block 38 is further installed on the sliding table 3, the second limiting block 38 is arranged on one side of the electromagnetic attraction element 42, the second limiting block 38 is an L-shaped corner block, and the second limiting block 38 is in contact with the inner wall of the outer cover 1 and used for limiting the backward moving distance of the sliding table 3 and preventing the sliding table 3 from being misplaced.

Preferably, the sliding table 3 further comprises a scratch resistant plate 36, the scratch resistant plate 36 is embedded on the end face of the base 2, the scratch resistant plate 36 is in contact with the sliding plate 31 and used for positioning the sliding table 3 along the direction perpendicular to the end face of the ground base 2, the positioning accuracy of the alignment of the reagent strips 8 and the heating cup 6 in the positioning groove 51 is improved by matching with the horizontal positioning of the first limiting block 33, an in-place sensor is further arranged on the scratch resistant plate 36, the in-place sensor detects that the sliding table 3 reaches the position, the heater 7 is automatically started to heat, the automation degree of the automatic heating device is improved, and the operation intensity of an operator is lightened.

Preferably, the base 2 includes the spout 21, and the spout 21 sets up on the inner wall of base 2, and slip table 3 includes slide 31 and guide part 32, and guide part 32 sets up in the both sides of slide 31, guide part 32 and spout 21 clearance fit, and spout 21 is along sharp in the motion, can send reagent strip 8 directly over the heating cup 6, through the motion of slip table 3, makes the heating uniformity of many reagent strips 8 good.

Preferably, referring specifically to fig. 10-12, the bracket 5 further includes a second magnet 52, a third magnet 53 and an alignment groove 54, the second magnet 52 is disposed in the middle of the bracket 5, the third magnet 53 is disposed at two ends of the bracket 5, the alignment groove 54 is disposed on a lower end surface of the bracket 5, the alignment groove 54 cooperates with the support 39, so that the position of the bracket 5 on the support 39 can be positioned, the second magnet 52 and the third magnet 53 are used for improving the acting force for connecting the bracket 5 and the support 39, the connection is ensured reliably, and the disassembly is fast, so that the kit is suitable for positioning reagent strips 8 with different shapes.

This reagent strip self-heating device is last still to be equipped with heating cup 6, and heating cup 6 sets up under constant head tank 51, and heating cup 6 detachably connects on heater 7, is equipped with a plurality of heating grooves on the heating cup 6, and every heating groove corresponds a reagent strip 8, prevents to contact between reagent strip 8, and the size of heating groove corresponds with the shape of reagent strip 8 to guarantee the heating effect, can heat reagent strip 8 of different shapes through changing heating cup 6, guarantee that the heating effect is good.

Preferably, the heater 7 includes an electric plate 71 and a thermal control element 72, the electric plate 71 is arranged to surround the heating cup 6, the thermal control element 72 is arranged on the electric plate 71, the electric plate 71 is a PTC ceramic heating element, and has the characteristics of strong binding force, excellent heat conduction and heat dissipation performance, high efficiency, safety and reliability, even if insufficient heat dissipation is achieved in the heating process, the temperature of the surface of the electric plate can be maintained within a certain range, the phenomenon of 'redness' on the surface of the electric plate 71 is not caused, damage is caused to a user, the thermal control element 72 can set the heating time and output an acousto-optic signal after the heating is completed, and prompt is given to the user.

The use process of the automatic reagent strip heating device is as follows:

the reagent strips 8 to be heated are selected to sequentially pass through the alignment holes 13 and then are inserted into the positioning grooves 51, the shell 11 is pushed to drive the sliding table 3 to move forwards, the end part of the sliding plate 31 is in contact with the anti-collision plate 35, the sliding plate 31 is sucked tightly by the first magnet 34, the positioning grooves 51 are aligned with the centers of the heating cups 6, after the sliding table 3 is stopped, the electromagnetic sucking element 42 starts to drive the push-pull rod 41 to act backwards, the baffle 43 is pulled out from the lower part of the supporting piece 39, so that a port below the positioning grooves 51 is opened, the reagent strips 8 fall into the heating cups 6 under the action of gravity, the heater 7 starts to preheat the reagent strips 8 in the heating cups 6, after a certain period of preheating, the heater 7 stops heating and gives out sound and light to prompt the completion of heating, after the heated reagent strips 8 are taken out, the sliding table 3 is pushed backwards to reset, and the reagent strips 8 are reinserted for reheating use.

Example two

The same features as those of the reference embodiment will not be described in detail, but the differences are as follows: the utility model also discloses an automatic reagent strip heating device, which comprises two or more groups of baffle strip structures 4, wherein a plurality of groups of baffle strip structures 4 are arranged on the sliding table 3, the baffle plates 43 on the baffle strip structures 4 respectively shield the outlets of the lower ends of part of the positioning grooves 51, and the baffle plates 43 are driven by the electromagnetic attraction elements 42 which are separately controlled to downwards release the reagent strips 8, so that groups of reagent strips 8 can be separately heated, the temperature use requirements of different reagent strips 8 are met, and the application range of the automatic reagent strip heating device is improved.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (10)

1. The utility model provides a reagent strip self-heating device, includes dustcoat (1), base (2) and slip table (3), dustcoat (1) set up on slip table (3), slip table (3) swing joint is in on base (2), its characterized in that: still include blend stop structure (4), bracket (5) and heater (7), bracket (5) detachably connects on slip table (3), just bracket (5) are in one side of dustcoat (1), heater (7) set up one side of base (2), bracket (5) include constant head tank (51), constant head tank (51) pass bracket (5) can with heater (7) are aligned, blend stop structure (4) telescopic connection is in on slip table (3), just blend stop structure (4) can shelter from constant head tank (51).

2. The automatic reagent strip heating apparatus of claim 1, wherein:

the outer cover (1) comprises a shell (11), a protruding portion (12) and an alignment hole (13), wherein the protruding portion (12) is arranged on one side wall of the shell (11), the alignment hole (13) is arranged on the protruding portion (12), the alignment hole (13) is aligned with the positioning groove (51), and one side of the alignment hole (13) penetrates through the protruding portion (12) to form an opening.

3. The automatic reagent strip heating apparatus of claim 2, wherein:

still include support piece (39), support piece (39) set up on slip table (3), just the part of support piece (39) stretches out outside slip table (3), be equipped with logical groove on support piece (39), bracket (5) detachably connect on support piece (39) part outwards, logical groove with constant head tank (51) are aligned.

4. A reagent strip heating apparatus as claimed in claim 3, wherein:

the barrier strip structure (4) comprises a push-pull rod (41), an electromagnetic attraction element (42), a baffle plate (43) and a guide block (44), wherein the electromagnetic attraction element (42) is arranged on the sliding table (3), the push-pull rod (41) is slidably connected with the electromagnetic attraction element (42), one end of the push-pull rod (41) is connected with the baffle plate (43), the guide block (44) is connected with the support piece (39) to form a guide channel, and the baffle plate (43) penetrates through the guide channel to shield the lower part of the positioning groove (51).

5. The automatic reagent strip heating apparatus of claim 1, wherein:

the sliding table (3) further comprises a first limiting block (33), a first magnet (34) and an anti-collision plate (35), wherein the first limiting block (33) is close to the bracket (5) and arranged on the sliding table (3), the first magnet (34) is arranged in the first limiting block (33), and the anti-collision plate (35) is connected with the first limiting block (33) and wraps the first magnet (34) in the first limiting block (33).

6. The automated reagent strip heating apparatus of claim 5, wherein:

the sliding table (3) further comprises a scratch-resistant plate (36), the scratch-resistant plate (36) is inlaid on the end face of the base (2), and the scratch-resistant plate (36) is in contact with the sliding table (3).

7. The automated reagent strip heating apparatus of claim 6, wherein:

the base (2) comprises a sliding groove (21), the sliding groove (21) is formed in the inner wall of the base (2), the sliding table (3) comprises a sliding plate (31) and guide portions (32), the guide portions (32) are arranged on two sides of the sliding plate (31), and the guide portions (32) are in clearance fit with the sliding groove (21).

8. The automated reagent strip heating apparatus of any one of claims 1 to 7, wherein:

the bracket (5) further comprises a second magnet (52), a third magnet (53) and an alignment groove (54), wherein the second magnet (52) is arranged in the middle of the bracket (5), the third magnet (53) is arranged at two ends of the bracket (5), and the alignment groove (54) is arranged on the lower end face of the bracket (5).

9. The automated reagent strip heating apparatus of claim 8, wherein:

the heating cup (6) is arranged right below the positioning groove (51), and the heating cup (6) is detachably connected to the heater (7).

10. The automated reagent strip heating apparatus of claim 9, wherein:

the heater (7) comprises an electric heating plate (71) and a thermal control element (72), the electric heating plate (71) is arranged to surround the heating cup (6), and the thermal control element (72) is arranged on the electric heating plate (71).