CN210347295U

CN210347295U - Lifting type non-contact heating device for pretreatment of biochemical analyzer sample

Info

Publication number: CN210347295U
Application number: CN201920995419.3U
Authority: CN
Inventors: 孙敦元; 戴军; 樊经纬
Original assignee: Nanjing Laola Electronic Co ltd
Current assignee: Nanjing Laola Electronic Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-17
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a biochemical analysis appearance sample pretreatment is with over-and-under type non-contact heating device, top platform and analysis platform including parallel arrangement, and the top platform is located the top of analysis platform, the groove has been seted up to the lower extreme of top platform, the box body of lower extreme opening, cylinder type has been put in the groove of accomodating, the box body passes through positioning mechanism and analysis platform sealing connection, the upper end of analysis platform has just placed under the box body and has held the household utensils, the helicla flute has been seted up to the internal perisporium of box body, be equipped with spiral set's solenoid in the helicla flute. The utility model discloses use the electromagnetic heating mode to replace through heat-conducting heating mode among the conventional art, need not to contact with the analysis sample, can accomplish the heating, use and hold the household utensils and hold the heating, only need to change and hold the household utensils alright realize continuous heating, avoid the analysis sample to take place cross infection, influence the problem of biochemical analysis exactness.

Description

Lifting type non-contact heating device for pretreatment of biochemical analyzer sample

Technical Field

The utility model relates to a biochemical analysis technical field especially relates to a biochemical analysis appearance sample pretreatment is with over-and-under type non-contact heating device.

Background

Biochemical analyzers are instruments that use the principle of photoelectric colorimetry to measure a particular chemical constituent in a body fluid. Because of its fast measuring speed, high accuracy and small reagent consumption, it is widely used in hospitals, epidemic prevention stations and family planning service stations.

Partial sample need heat in advance, raise the temperature in order to reach the analysis condition before carrying out biochemical analysis, and current heating methods often pours the sample into heating device's inherent container, makes the heat carry out heat-conduction through the contact, pours out again after heating a period, but when heating other samples next time, then can cause the cross infection of sample, influences biochemical analysis's the degree of accuracy.

Disclosure of Invention

The utility model aims at solving the problem of proposing in the background art, and a biochemical analyzer sample pretreatment is with over-and-under type non-contact heating device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting non-contact heating device for sample pretreatment of a biochemical analyzer comprises a top platform and an analysis platform which are arranged in parallel, wherein the top platform is positioned above the analysis platform, a containing groove is formed in the lower end of the top platform, a cylindrical box body with an opening at the lower end is contained in the containing groove, the box body is hermetically connected with the analysis platform through a positioning mechanism, a containing vessel is placed at the upper end of the analysis platform under the box body, a spiral groove is formed in the inner peripheral wall of the box body, a solenoid coil which is spirally arranged is arranged in the spiral groove, the two ends of the solenoid coil are electrically connected with a mains supply through a lead and a solenoid controller, a temperature controller is fixedly installed at the upper end of the box body, a temperature sensing part of the temperature controller extends into the box body, the top of the containing groove is rotatably connected with a screw nut through a bearing, and a screw, the lower extreme of lead screw and the upper end fixed connection of box body, the upper end fixedly connected with gag lever post of box body, the top of accomodating the groove is seted up with gag lever post sliding connection's spacing hole, one side of screw-nut is equipped with actuating mechanism.

Preferably, positioning mechanism includes that fixed connection just is located the position retaining ring board that holds the household utensils outside at the analysis bench upper end, the lower extreme of box body is seted up and is pegged graft complex positioning ring groove with the positioning ring board, and the upper end fixedly connected with rubber ring of positioning ring board.

Preferably, the containing vessel is made of iron materials.

Preferably, actuating mechanism includes the worm wheel with screw-nut interference fit, the worm wheel meshing has the worm, the one end of worm and the output fixed connection of motor, motor fixed mounting is in the upper end of top platform.

Preferably, the box body is made of magnetic shielding materials.

Preferably, the motor is a servo motor.

Compared with the prior art, the lifting non-contact heating device for the pretreatment of the sample of the biochemical analyzer has the advantages that:

1. the electromagnetic heating mode is used for replacing the heating mode of heat conduction in the traditional technology, the heating can be completed without contacting with the analysis sample, the containing vessel is used for containing and heating, the continuous heating can be realized only by replacing the containing vessel, and the problems that the analysis sample is cross-infected and the accuracy of biochemical analysis is influenced are avoided;

2. the box body can be moved out of or into the accommodating groove through the driving mechanism, the use is rapid and convenient, and the box body is accommodated in the accommodating groove when not in a use state, so that the attractiveness of the box body is improved.

Drawings

Fig. 1 is a schematic structural view of a lifting non-contact heating device for sample pretreatment of a biochemical analyzer according to the present invention in a state where a sample is not heated;

fig. 2 is a schematic structural diagram of the lifting non-contact heating device for sample pretreatment of the biochemical analyzer according to the present invention when the sample is heated.

In the figure: 1 top platform, 2 analysis platforms, 3 retaining ring boards, 4 holding utensils, 5 box bodies, 6 spiral grooves, 7 electromagnetic coils, 8 retaining ring grooves, 9 temperature controllers, 10 accommodating grooves, 11 lead screws, 12 lead screw nuts, 13 worm gears, 14 worms, 15 motors, 16 limiting rods and 17 limiting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a lifting non-contact heating device for sample pretreatment of a biochemical analyzer comprises a top platform 1 and an analysis platform 2 which are arranged in parallel, wherein the top platform 1 is positioned above the analysis platform 2, the lower end of the top platform 1 is provided with a containing groove 10, the containing groove 10 is provided with a cylindrical box body 5 with an open lower end, the box body 5 is hermetically connected with the analysis platform 2 through a positioning mechanism, a containing vessel 4 is arranged at the upper end of the analysis platform 2 and under the box body 5, more specifically, the containing vessel 4 is made of an iron material, the inner peripheral wall of the box body 5 is provided with a spiral groove 6, a solenoid coil 7 which is spirally arranged is arranged in the spiral groove 6, two ends of the solenoid coil 7 are electrically connected with a mains supply through a lead and a solenoid controller (not shown in the figure), a temperature controller 9 is fixedly arranged at the upper end of the box body 5, and a temperature, the top of accomodating groove 10 is connected with screw-nut 12 through the bearing rotation, and screw-nut 12 female connection has lead screw 11, the lower extreme of lead screw 11 and the upper end fixed connection of box body 5, the upper end fixed connection of box body 5 has gag lever post 16, and the top of accomodating groove 10 is seted up with gag lever post 16 sliding connection's spacing hole 17, and one side of screw-nut 12 is equipped with actuating mechanism.

The utility model discloses in, positioning mechanism includes that fixed connection just is located the position ring board 3 that holds the household utensils 4 outside in 2 upper ends of analysis platform, and the lower extreme of box body 5 is seted up and is pegged graft the complex position ring groove 8 with position ring board 3 mutually, and the upper end fixedly connected with rubber ring of position ring board 3, and the rubber ring has deformation characteristic, can fill the gap that exists between position ring groove 8 and the position ring board 3, realizes the sealed of box body 5.

The utility model discloses in, actuating mechanism includes worm wheel 13 with 12 interference fit of screw-nut, and worm wheel 13 meshes there is worm 14, the one end of worm 14 and the output fixed connection of motor 15, and motor 15 fixed mounting is in the upper end of top platform 1, and more specifically, motor 15 adopts VM7-M13G-1R520-A3 model servo motor, and motor 15 transmits the torque for screw-nut 12 through intermeshing's worm 14 and worm wheel 13.

The utility model discloses in, box body 5 adopts the magnetic screen material to make, can weaken the magnetic field effect that produces between every adjacent solenoid 7, avoids taking place gathering together of spring shrinkage type.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the utility model, when the container 4 is filled with samples and needs to be heated, the rotating speed of the motor 15 is set in advance through a servo driver matched with the motor 15, which is the prior art, the motor 15 transmits torque to the screw nut 12 through the meshing action of the worm 14 and the worm wheel 13, the screw 11 moves vertically downwards along with the continuous rotation of the screw nut 12 under the limiting action of the limiting rod 16 and the limiting hole 17, in the process, the limiting rod 16 slides in the limiting hole 17 in the vertical direction, the screw nut 12 rotates to drive the screw 11 to move downwards, the box body 5 gradually extends out of the accommodating groove 10 until the positioning ring plate 3 is in splicing fit with the positioning ring groove 8, the box body 5 is covered outside the container 4, the sealing of the box body 5 is realized under the action of the rubber ring, at the moment, the temperature sensing part of the temperature controller 9 is contacted with the container 4, the temperature measurement of the container 4 can be carried out in real time, the temperature controller 9 can preset the heating temperature needed by the working personnel, the alternating current of 220V and 50/60HZ is rectified into direct current by the commercial power supply through the electromagnetic controller, then the direct current is converted into high-frequency high-voltage electricity with the frequency of 20-40KHZ, the high-frequency high-voltage current with high speed change flows through the coil to generate an alternating magnetic field with high speed change, the surface of the container 4 is provided with a function of cutting alternating magnetic lines of force to generate alternating current (eddy current) at the bottom of the container, the eddy current enables carriers of the container 4 to move randomly at high speed, the carriers collide and rub with each other to generate heat energy to heat the sample, the electromagnetic controller is closed until the temperature sensing part of the temperature controller 9 measures that the temperature of the container 4 reaches the preset temperature, the motor 15 rotates reversely, and the box body 5 gradually rises into the accommodating groove 10 according to.

The utility model has the advantages of it is following: 1. the electromagnetic heating mode is used for replacing the heating mode through heat conduction in the traditional technology, the heating can be completed without contacting with an analysis sample, the containing vessel 4 is used for containing and heating, the continuous heating can be realized only by replacing the containing vessel 4, and the problem that the analysis sample is cross-infected to influence the accuracy of biochemical analysis is avoided; 2. the box body 5 can be moved out of or into the accommodating groove 10 through the driving mechanism, the use is rapid and convenient, and the box body is accommodated in the accommodating groove 10 when not in a use state, so that the attractiveness is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a biochemical analysis appearance sample pretreatment is with over-and-under type non-contact heating device, includes parallel arrangement's top platform (1) and analysis platform (2), and top platform (1) is located the top of analysis platform (2), its characterized in that, the lower extreme of top platform (1) has been seted up and has been accomodate groove (10), accomodate the box body (5) of lower extreme opening, cylinder type in groove (10) holding, box body (5) are through positioning mechanism and analysis platform (2) sealing connection, place and hold household utensils (4) in the upper end of analysis platform (2) and under box body (5), spiral groove (6) have been seted up to the internal perisporium of box body (5), be equipped with solenoid (7) of spiral setting in spiral groove (6), there is mains supply at the both ends of solenoid (7) through wire and solenoid controller electric connection, the upper end fixed mounting of box body (5) has (9), and the temperature sensing part of temperature controller (9) stretches into the inside of box body (5), the top of accomodating groove (10) is rotated through the bearing and is connected with screw-nut (12), screw-nut (12) female connection has lead screw (11), the lower extreme of lead screw (11) and the upper end fixed connection of box body (5), the upper end fixedly connected with gag lever post (16) of box body (5), spacing hole (17) with gag lever post (16) sliding connection are seted up at the top of accomodating groove (10), one side of screw-nut (12) is equipped with actuating mechanism.

2. The lifting non-contact heating device for the pretreatment of the sample of the biochemical analyzer according to claim 1, wherein the positioning mechanism comprises a positioning ring plate (3) fixedly connected to the upper end of the analysis platform (2) and located outside the container (4), the lower end of the box body (5) is provided with a positioning ring groove (8) in insertion fit with the positioning ring plate (3), and the upper end of the positioning ring plate (3) is fixedly connected with a rubber ring.

3. The lifting type non-contact heating device for the pretreatment of the sample of the biochemical analyzer according to claim 1, wherein the holding vessel (4) is made of a ferrous material.

4. The lifting type non-contact heating device for the sample pretreatment of the biochemical analyzer according to claim 1, wherein the driving mechanism comprises a worm wheel (13) in interference fit with the lead screw nut (12), the worm wheel (13) is engaged with a worm (14), one end of the worm (14) is fixedly connected with an output end of a motor (15), and the motor (15) is fixedly installed at the upper end of the top platform (1).

5. The elevating non-contact heating device for sample pretreatment of biochemical analyzers according to claim 1, wherein the box body (5) is made of magnetic shielding material.

6. The elevating type non-contact heating device for sample pretreatment of biochemical analyzers according to claim 4, wherein the motor (15) is a servo motor.