阅读说明：本技术 一种智慧实验室操作平台 (Wisdom laboratory operation platform ) 是由 刘卫蓉 黄亮 张威 张明 刘伟平 于 2021-09-17 设计创作，主要内容包括：本申请涉及一种智慧实验室操作平台,涉及实验台的领域,其包括操作平台,所述操作平台的一侧设有盛装水的加热池,所述加热池内水平设置有隔板,所述隔板的上表面开设有多个流动通孔,所述隔板将所述加热池从上至下依次分为放置腔和加热腔,所述加热腔内设有用于对所述加热池的水进行加热的加热件,所述操作台上放置有试管架。本申请具有便于在操作台为试管提供加热的环境的效果。(The utility model relates to a wisdom laboratory operation platform relates to the field of laboratory bench, and it includes operation platform, one side of operation platform is equipped with the heating bath of splendid attire water, the level is provided with the baffle in the heating bath, a plurality of flow through-holes have been seted up to the upper surface of baffle, the baffle will the heating bath is from last to dividing into down in proper order and placing chamber and heating chamber, it is right to heat the intracavity be equipped with be used for the water of heating bath carries out the heating member that heats, the test-tube rack has been placed on the operation platform. This application has the effect of the environment of being convenient for provide the heating at the operation panel for the test tube.)

1. The utility model provides an intelligence laboratory operation platform, includes operation platform (1), its characterized in that: one side of operation platform (1) is equipped with heating pond (2) of splendid attire water, the level is provided with baffle (3) in heating pond (2), a plurality of flow through-holes (31) have been seted up to the upper surface of baffle (3), baffle (3) will heating pond (2) are from last to dividing in proper order down and placing chamber (21) and heating chamber (22), it is right to be equipped with in heating chamber (22) the water of heating pond (2) carries out heating member (4), placed test-tube rack (5) on the operation panel.

2. The intelligent laboratory operations platform of claim 1, wherein: the heating member (4) is an electric heating wire (41), and two ends of the electric heating wire (41) are electrically connected with a power supply.

3. The intelligent laboratory operations platform of claim 2, wherein: the test tube rack (5) comprises: a bottom plate (51), side plates (52), a placing plate (53) and fasteners (54);

the utility model discloses a test tube fixing device, including bottom plate (51), curb plate (52), place board (53), curb plate (52) are provided with two, two curb plate (52) are vertical respectively locate the relative both sides of bottom plate (51) upper surface, place board (53) horizontal rigid coupling in two the up end of curb plate (52), place board (53) upper surface interval has seted up a plurality of through-holes (531) of placing, fastener (54) are equipped with the multiunit, multiunit fastener (54) all locate place board (53) are last, and a set of fastener (54) and one it is corresponding to place through-hole (531), fastener (54) are used for to place in place the test tube in through-hole (531) and carry out the centre gripping fixedly.

4. The intelligent laboratory operations platform of claim 3, wherein: the fastener (54) includes: a torsion spring (541), a connecting plate (542) and a clamping plate (543);

connecting plate (542) is equipped with two, two connecting plate (542) symmetry respectively locate one place the relative both sides of through-hole (531), two one side of connecting plate (542) with the lower surface of placing board (53) is articulated mutually, splint (543) are equipped with two, two splint (543) are located two respectively connecting plate (542) are kept away from place one side of board (53), torsional spring (541) is equipped with two, two torsional spring (541) are located two respectively the both sides that connecting plate (542) kept away from mutually, the one end of torsional spring (541) with place board (53) rigid coupling, the other end of torsional spring 541 (541) with connecting plate (542) rigid coupling, two one side that splint (543) are close to mutually is respectively with the periphery wall activity butt of test tube.

5. The intelligent laboratory operations platform of claim 4, wherein: and one side of each of the two clamping plates (543) close to each other is provided with a rubber pad (5431).

6. The intelligent laboratory operations platform of claim 5, wherein: the heating pond (2) inside wall is gone up the interval and is equipped with multiunit joint spare (6), joint spare (6) with bottom plate (51) detachable's fixed connection.

7. The intelligent laboratory operations platform of claim 6, wherein: the clip (6) comprises: a spring (61) and a snap plate (62);

one end of the spring (61) is fixedly connected with the inner side wall of the heating pool (2), the clamping plate (62) comprises a connecting portion (621) and an inserting portion (622), the connecting portion (621) and the inserting portion (622) are vertically arranged, one side of the connecting portion (621) is fixedly connected with the other end of the spring (61), a plurality of inserting grooves (511) are formed in the upper surface of the bottom plate (51), and the inserting portion (622) is movably inserted into the inserting grooves (511) in an inserting mode.

8. The intelligent laboratory operations platform of any one of claims 1-6, wherein: the upper surface level of operation panel is provided with observation board (7), be equipped with lifting unit (8) on the operation panel, lifting unit (8) are used for the drive observation board (7) go up and down.

9. The intelligent laboratory operations platform of claim 8, wherein: the lifting assembly (8) comprises: a cam (81), an abutting plate (82), a guide rod (83) and a driving motor (84);

an installation cavity (101) is formed in one side of the operating platform, the cam (81) is rotatably installed in the installation cavity (101), the rotating axis of the cam is horizontal, the driving motor (84) is arranged in the installation cavity (101), and the output end of the driving motor (84) is fixedly connected with the center of the cam (81);

the vertical rigid coupling of guide bar (83) in the upper surface of observation board (7), the operation panel upper surface seted up with guide through hole (102) that installation cavity (101) are linked together, guide through hole (102) are vertical to be laid, the lower extreme of guide bar (83) runs through guide through hole (102) and with the vertical slip assembly of guide through hole (102), butt plate (82) are located in installation cavity (101), butt plate (82) level is located the lower extreme of guide bar (83), butt plate (82) the lower surface all the time with the week side wall butt of cam (81).

Technical Field

The application relates to the field of experiment tables, in particular to an intelligent laboratory operation platform.

Background

In a laboratory, an operation platform is a common device, and the operation platform stores various experimental apparatuses for an operator to operate. Experimenters use certain instruments, materials and medicines on an operation platform and purposefully observe and research the process of experimental phenomena through a scientific method.

An application number is CN 201720795669.3's chinese patent discloses a biological assay operation platform, includes water storage cabinet, operation panel, roof, electric power cabinet and places the cabinet, the water storage cabinet upper end is equipped with the pond, pond right side and tap fixed connection, the water storage cabinet right side is equipped with the roof, the roof lower extreme is equipped with a plurality of LED light, roof lower extreme and two camera fixed connection.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when experimenter carries out experimental operation at the operation panel, go to observing the reaction phenomenon in the test tube when needing certain hot environment, the experimenter need put into the water bath with the test tube usually and heat, if the distance of water bath and operation panel is far away, the experimenter needs frequent round trip between water bath and operation panel, therefore troublesome poeration.

Disclosure of Invention

For the convenience provides the environment of heating at the operation panel for the test tube, this application provides a wisdom laboratory operation platform.

The application provides a wisdom laboratory operation platform adopts following technical scheme:

the utility model provides a wisdom laboratory operation platform, includes operation platform, one side of operation platform is equipped with the heating pond of splendid attire water, the level is provided with the baffle in the heating pond, a plurality of flow through-holes have been seted up to the upper surface of baffle, the baffle will the heating pond is from last to dividing into down in proper order and places the chamber and heat the chamber, it is right to heat the intracavity be equipped with be used for the water of heating pond carries out the heating member that heats, the test-tube rack has been placed on the operation panel.

By adopting the technical scheme, water is injected into the heating pool, the height of the horizontal plane is higher than that of the partition plate, the water in the heating pool is heated by the heating element, the test tube is placed into the test tube rack and then placed into the heated water in the placing cavity so as to heat the test tube, and an experimenter can perform test tube heating operation on the site at an operation table, so that the operation is convenient, and the test efficiency is improved; the baffle is convenient for carry out the bearing to the test-tube rack, and the through-hole that flows simultaneously is convenient for to the water of the heating of heating intracavity and the better production heat exchange that flows of the water of placing the intracavity, improves the heating efficiency of heating pond water.

Optionally, the heating member is an electric heating wire, and both ends of the electric heating wire are electrically connected with a power supply.

Through adopting above-mentioned technical scheme, heat the water in the heating bath through the electrical heating silk, realize the heating automation, improve test efficiency.

Optionally, the test tube rack includes: the bottom plate, the side plate, the placing plate and the fastener;

the utility model discloses a test tube, including bottom plate, curb plate, place board, fastener, bottom plate upper surface, the curb plate is provided with two, two the curb plate is vertical respectively to be located the relative both sides of bottom plate upper surface, place the horizontal rigid coupling of board in two the up end of curb plate, place the board upper surface interval and seted up a plurality of through-holes of placing, the fastener is equipped with the multiunit, the multiunit the fastener is all located place on the board, and a set of the fastener is with one it is corresponding to place the through-hole, the fastener is used for to place in place the test tube in the through-hole carries out the centre gripping fixed.

Through adopting above-mentioned technical scheme, insert a plurality of test tubes respectively in a plurality of through-holes of placing, the bottom plate carries out the bearing to the lower extreme of test tube, is fixed in the test tube centre gripping through the fastener and places through-hole department to the test tube that the messenger put into in the heating bath hot water is difficult for floating, guarantees going on smoothly of test tube heating work.

Optionally, the fastener comprises: the torsion spring, the connecting plate and the clamping plate;

the connecting plate is equipped with two, two the connecting plate symmetry respectively is located one place the relative both sides of through-hole, two one side of connecting plate with the lower surface of placing the board is articulated mutually, splint are equipped with two, two splint are located two respectively the connecting plate is kept away from place one side of board, the torsional spring is equipped with two, two the torsional spring is located two respectively the both sides that the connecting plate was kept away from mutually, the one end of torsional spring with place the board rigid coupling, the other end of torsional spring with the connecting plate rigid coupling, two one side that the splint are close to mutually is respectively with the periphery wall activity butt of test tube.

By adopting the technical scheme, when the test tube is placed, the two connecting plates are pulled to be away from each other, so that the distance between the two clamping plates is increased, the lower end of the test tube is placed on the bottom plate, the two clamping plates tightly clamp the test tube from two sides under the action of the restoring force of the torsion spring, the test tube is not easy to separate from the test tube rack, the test tube is not easy to float and separate from the test tube rack when placed in water in a heating pool, and the stability of placing the test tube on the test tube rack is improved; simultaneously the splint that elasticity set up are convenient for carry out the centre gripping to the test tube of different diameters and fix, improve the practicality of test-tube rack.

Optionally, a rubber pad is respectively arranged on one side of each of the two clamping plates close to each other.

Through adopting above-mentioned technical scheme, the rubber pad has the cushioning effect, makes splint difficult damage test tube regularly to the test tube clamp fastening, and the rubber pad can also increase the frictional force between splint and the test tube simultaneously, makes splint fix more firm to the centre gripping of test tube.

Optionally, a plurality of groups of clamping pieces are arranged on the inner side wall of the heating pool at intervals, and the clamping pieces are fixedly connected with the bottom plate in a separable mode.

Through adopting above-mentioned technical scheme, it is fixed with the bottom plate through joint spare, be fixed in the heating bath with the test-tube rack to when the test tube quantity of placing on the test-tube rack is less, test-tube rack and test tube are all difficult for floating, guarantee the normal clear of test tube heating work.

Optionally, the clip includes: a spring and a clamping plate;

one end of the spring is fixedly connected with the inner side wall of the heating pool, the clamping plate comprises a connecting portion and an inserting portion, the connecting portion and the inserting portion are vertically arranged, one side of the connecting portion is fixedly connected with the other end of the spring, a plurality of inserting grooves are formed in the upper surface of the bottom plate, and the inserting portion is movably inserted and connected with the inserting grooves in an adaptive mode.

Through adopting above-mentioned technical scheme, when putting into the heating bath to the test-tube rack, pulling grafting portion, the spring is stretched, makes grafting portion keep away from one side of connecting portion and inserts the inserting groove, and a plurality of joint spares the test-tube rack in the week side of test-tube rack and strains fixedly to be fixed in the heating bath with the test-tube rack, guarantee going on smoothly of test tube heating work.

Optionally, the upper surface level of operation panel is provided with observes the board, be equipped with lifting unit on the operation panel, lifting unit is used for the drive observe the board and go up and down.

Through adopting above-mentioned technical scheme, when the experimenter need carry out the liquid feeding ration in to test tube or quantitative container, place test tube or quantitative container on the observation board, it is ascending through the elevating module drive observation board to make the mark line of test tube or quantitative container just to experimenter's sight, and need not to squat, so that the experimenter carries out the liquid feeding operation, richens the test function of operation panel, convenient and practical.

Optionally, the lifting assembly comprises: the device comprises a cam, a butt joint plate, a guide rod and a driving motor;

an installation cavity is formed in one side of the operating platform, the cam is rotatably installed in the installation cavity, the rotating axis of the cam is horizontal, the driving motor is arranged in the installation cavity, and the output end of the driving motor is fixedly connected with the center of the cam;

the vertical rigid coupling of guide bar in the upper surface of observation board, the operation panel upper surface seted up with the direction through-hole that the installation cavity is linked together, the direction through-hole is vertical to be laid, the lower extreme of guide bar runs through the direction through-hole and with the vertical sliding assembly of direction through-hole, the butt plate is located in the installation cavity, the butt plate level is located the lower extreme of guide bar, the lower surface of butt plate all the time with the week lateral wall butt of cam.

By adopting the technical scheme, the driving motor drives the cam to rotate, the distance between the peripheral side of the cam and the output end of the driving motor is changed, and the abutting plate is always abutted against the peripheral wall of the cam, so that the height of the abutting plate in the vertical direction is changed along with the rotation of the cam, the observation plate is driven to stably lift, and the intelligent lifting of the observation plate is realized; the guide rod and the guide through hole are vertically assembled in a sliding mode, so that the observation plate can stably lift in the vertical direction, and the practicability of the observation plate is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water in the heating pool is heated by the heating element, the test tube is placed in the test tube rack and then placed in the heated water in the placing cavity to heat the test tube, and an experimenter can perform test tube heating operation on the operating platform on the spot, so that the operation is convenient, and the test efficiency is improved;

2. when a test tube is placed, the two connecting plates are pulled to be away from each other, so that the distance between the two clamping plates is increased, the lower end of the test tube is placed on the bottom plate, the two clamping plates are used for clamping and fixing the test tube from two sides under the action of the restoring force of the torsion spring, the test tube is not easy to separate from the test tube rack, the test tube is not easy to float and separate from the test tube rack when placed in water in a heating pool, and the stability of placing the test tube on the test tube rack is improved;

3. when the laboratory technician need carry out the liquid feeding ration to in test tube or the quantitative container, place test tube or quantitative container on observing the board, rise through the elevating assembly drive observation board to the mark line that makes test tube or quantitative container is just to laboratory technician's sight, and need not squat, so that laboratory technician carries out the liquid feeding operation, richens the test function of operation panel, convenient and practical.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of a test tube rack in an embodiment of the present application;

fig. 4 is a schematic structural diagram of another view angle of the test tube rack in the embodiment of the present application;

FIG. 5 is an enlarged partial view of portion B of FIG. 4;

FIG. 6 is an enlarged partial schematic view of portion C of FIG. 2;

FIG. 7 is a schematic view of the connection structure of the observation plate and the lifting assembly in the embodiment of the present application.

Reference numerals: 1. an operating platform; 101. a mounting cavity; 102. a guide through hole; 103. sinking a groove; 2. a heating tank; 21. a placement chamber; 22. a heating cavity; 3. a partition plate; 31. a flow through hole; 4. a heating member; 41. an electric heating wire; 5. a test tube rack; 51. a base plate; 511. inserting grooves; 52. a side plate; 53. placing the plate; 531. placing the through hole; 54. a fastener; 541. a torsion spring; 542. a connecting plate; 543. a splint; 5431. a rubber pad; 6. a clamping piece; 61. a spring; 62. a clamping and connecting plate; 621. a connecting portion; 622. a plug-in part; 7. an observation plate; 8. a lifting assembly; 81. a cam; 82. a butt joint plate; 83. a guide bar; 84. a drive motor; 10. a pool; 11. a connecting rod; 12. a pull ring; 13. and a flow guide pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses wisdom laboratory operation platform. Referring to fig. 1 and 2, an operation platform of a smart laboratory comprises an operation platform 1, the upper surface of the operation platform 1 is rectangular, a heating pool 2 containing water is arranged on one side of the length direction of the operation platform 1, a partition plate 3 is horizontally and fixedly connected in the heating pool 2, a plurality of flow through holes 31 are uniformly arranged on the upper surface of the partition plate 3 at intervals, the heating pool 2 is sequentially divided into a placing cavity 21 and a heating cavity 22 by the partition plate 3 from top to bottom, a heating element 4 for heating the water in the heating pool 2 is arranged in the heating cavity 22, the heating element 4 is an electric heating wire 41, the electric heating wire 41 is arranged in the heating cavity 22 in an S shape, two ends of the electric heating wire 41 are electrically connected with a power supply, a test tube rack 5 is placed on the operation platform, and the test tube rack 5 can be placed in the heating pool 2 for heating operation; a water pool 10 is arranged along the width direction of the operation platform 1 and on one side far away from the heating pool 2, a guide pipe 13 is arranged between the placing cavity 21 and the water pool 10, the guide pipe 13 is obliquely and downwards arranged from one side of the placing cavity 21 to one side of the water pool 10, the upper end of the guide pipe 13 is communicated with the upper end of the placing cavity 21, and the lower end of the guide pipe 13 is communicated with the water pool 10, so that the phenomenon that the heating pool 2 is overflowed on the operation table due to excessive water adding is avoided; an observation plate 7 is horizontally arranged on the other side of the operation table in the length direction, a sinking groove 103 is formed in the upper surface of the operation table, the sinking groove 103 is matched with the observation plate 7 in size, a lifting assembly 8 is arranged on the operation table, and the lifting assembly 8 is used for driving the observation plate 7 to lift; the observation plate 7 is driven to ascend through the lifting component 8, so that the marking line of the test tube or the quantitative container is just used for liquid adding operation to the sight of an experimenter, and the device is convenient and practical.

Referring to fig. 2 and 3, the test tube rack 5 includes: a bottom plate 51, side plates 52, a placement plate 53, and fasteners 54; bottom plate 51, curb plate 52 and place board 53 and be the plastics material, curb plate 52 is provided with two, two curb plate 52 are vertical respectively and locate the relative both sides of bottom plate 51 upper surface, place the horizontal rigid coupling of board 53 in the up end of two curb plate 52, bottom plate 51, curb plate 52 sets up with placing board 53 integrated into one piece, place the even interval of board 53 upper surface and seted up a plurality of through-holes 531 of placing, can be according to the diameter preparation different diameters of different test tubes place through-hole 531, a plurality of through-holes 531 of placing divide into the multiunit, the multiunit is placed through-hole 531 and is laid along placing board 53 length direction interval, and every group is placed through-hole 531 and has a plurality ofly, in every group a plurality of through-holes 531 of placing are laid along the width direction interval of placing board 53.

Fastener 54 is equipped with the multiunit, and multiunit fastener 54 all locates on placing board 53, and a set of fastener 54 and one place the through-hole 531 corresponding, and fastener 54 is used for carrying out the centre gripping fixed placing the test tube in placing through-hole 531 to the test tube that makes to put into in the hot water of heating pond 2 is difficult for floating, guarantees going on smoothly of test tube heating work.

Referring to fig. 4 and 5, the fastener 54 includes: a torsion spring 541, a connecting plate 542 and a clamp plate 543; two connecting plates 542 are symmetrically arranged on two opposite sides of the placing through hole 531, two mounting lug plates are respectively arranged on two opposite sides of the placing through hole 531 on the lower surface of the placing plate 53, a rotating rod is horizontally and rotatably connected between the two mounting lug plates, one side of each connecting plate 542 is fixedly connected with the two rotating rods, two torsion springs 541 are arranged, the two torsion springs 541 are respectively sleeved on the two rotating rods and are coaxially arranged with the rotating rods, one end of each torsion spring 541 is fixedly connected with one mounting lug plate, the other end of each torsion spring 541 is fixedly connected with the connecting plate 542, two clamping plates 543 are arranged, the two clamping plates 543 are respectively arranged on one side of the two connecting plates 542 far away from the placing plate 53, and rubber pads 5431 are respectively bonded on the side of the two clamping plates 543 close to each other, and one side of the two rubber pads 5431 close to each other is movably abutted against the outer peripheral wall of the test tube; the test tube both sides in every group are equipped with two connecting rods 11 respectively, and two connecting rods 11 run through in every group a plurality of connecting plates 542 of both sides in proper order and with connecting plate 542 rigid coupling, and two connecting rods 11 are equipped with pull ring 12 with one end.

When placing the test tube, insert two pull rings 12 that a set of test tube corresponds with the finger in, thereby pulling two connecting rods 11 and driving the connecting plate 542 of relative both sides in a set of and keep away from each other, thereby make the distance grow between two splint 543, so that the test tube lower extreme is shelved on bottom plate 51, under the effect of torsional spring 541 restoring force, two splint 543 are fixed to the test tube clamp fastening from both sides, thereby make test tube and test-tube rack 5 difficult separation, make the test tube difficult showy and break away from test-tube rack 5 when putting into the aquatic of heating bath 2, improve the steadiness that the test tube placed on test-tube rack 5.

Referring to fig. 2 and 6, when the number of test tubes placed on the test tube rack 5 is small, the normal operation of the test tube heating operation is ensured in order to make both the test tube rack 5 and the test tubes not easy to float. A set of clamping pieces 6 are respectively arranged on four side walls of the heating pool 2, and the clamping pieces 6 are detachably and fixedly connected with the bottom plate 51.

The clip 6 includes: a spring 61 and a snap plate 62; one end of the spring 61 is fixedly connected with the inner side wall of the heating pool 2, the clamping plate 62 comprises a connecting portion 621 and a plugging portion 622, the connecting portion 621 and the plugging portion 622 are vertically arranged, the connecting portion 621 and the plugging portion 622 are arranged in an L shape, one side of the connecting portion 621 is fixedly connected with the other end of the spring 61, a plugging groove 511 is respectively formed in the corresponding positions of the upper surface of the bottom plate 51 and the four plugging portions 622, and the plugging portions 622 and the plugging grooves 511 are movably plugged and adapted.

When putting into heating bath 2 to test-tube rack 5, pulling grafting portion 622, spring 61 is stretched, makes grafting portion 622 keep away from one side of connecting portion 621 and inserts inserting groove 511, and a plurality of joint spare 6 are taut fixed to test-tube rack 5 in the week side of test-tube rack 5 to be fixed in heating bath 2 with test-tube rack 5.

Referring to fig. 1 and 7, the lifting assembly 8 includes: a cam 81, an abutment plate 82, a guide lever 83, and a drive motor 84; an installation cavity 101 is formed in one side of the operating platform, the driving motor 84 is a servo motor, the driving motor 84 is horizontally fixed in the installation cavity 101, and the cam 81 is vertically arranged and fixedly connected to the output end of the driving motor 84; the guide rod 83 is vertically fixedly connected to the upper surface of the observation plate 7, the guide through hole 102 communicated with the installation cavity 101 is formed in the upper surface of the operating platform, the guide through hole 102 is vertically arranged, the lower end of the guide rod 83 penetrates through the guide through hole 102 and is vertically assembled with the guide through hole 102 in a sliding mode, the abutting plate 82 is located in the installation cavity 101, the abutting plate 82 is horizontally fixedly connected to the lower end of the guide rod 83, and the lower surface of the abutting plate 82 is always abutted to the peripheral side wall of the cam 81.

Driving motor 84 drive cam 81 rotates, and the distance between cam 81 week side and the driving motor 84 output changes, because butt plate 82 and cam 81's periphery wall butt all the time, consequently along with cam 81's rotation, butt plate 82 changes at the height of vertical direction, and then drives the steady lift of observation board 7, realizes the intellectuality that observation board 7 goes up and down.

The implementation principle of the intelligent laboratory operation platform in the embodiment of the application is as follows: inject water into heating bath 2, and make the height that highly is higher than baffle 3 of horizontal plane, water in to heating bath 2 heats through electric heating wire 41, put into test-tube rack 5 with the test tube and press from both sides the clamp with the test tube through fastener 54 and fix in placing through-hole 531, then put into the aquatic after placing the heating in the chamber 21, be fixed in heating bath 2 with test-tube rack 5 through joint spare 6, in order to heat the operation to the test tube, the experimenter can carry out test tube heating operation in operation panel department on the spot, and the operation is convenient, and the test efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.