Miniature experiment cross-shaped communication device

Abstract

The utility model discloses a miniature experiment cross-shaped communicating device which comprises a four-way connector, an injector, an injector outer cylinder, a switch valve and other components, and is simple in structure, reasonable in design, convenient to operate, low in cost and environment-friendly. The four-way connector, the switch valve, the injector and other components are assembled into the crisscrossed miniature experiment cross-shaped communicating device, programmed sample introduction and substance mixing can be achieved by controlling opening and closing of the valves, multistep reactions are made simple, experiment content can be visually presented, and integration, miniaturization and green innovation of the experiment device are achieved. The integrated device has excellent universality, can be applied to six types of chemical experiments, can achieve multiple purposes, and meets personalized and diversified experiment content teaching requirements. In addition, according to the utility model, the experiment can be continuously carried out in a closed system, the pollution to the environment can be reduced, and the influence on the health of teachers and students can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental device technical field more specifically, it is a kind of microscale experiment cross type communication device. BACKGROUND

[0002] Experiment refers to one of basic methods of scientific research. According to the purpose of scientific research, some special instruments and equipment can be used to artificially change, control or simulate research objects, make some things (or processes) occur or reproduce, so as to understand natural phenomena, natural properties and natural laws.

[0003] However, the following problems may exist when conducting experiments:

[0004] 1. Traditional experimental instruments are only available in chemistry laboratories, and are not easy to obtain directly. Students are difficult to freely carry out experiments at home or after class.

[0005] 2. Traditional experiments are carried out with the help of test tubes, beakers and other devices, and the amount of reagent is large, which is not economical.

[0006] 3. There are more experimental waste gas and waste liquid, which has safety hazards and pollutes the environment, and is not green and environmentally friendly.

[0007] 4. It cannot be designed integrally, and only one experiment can be carried out at a time, and simultaneous comparison is difficult to achieve.

[0008] 5. For multi-step reactions, repeated transfer and dropwise addition of substances in test tubes and beakers are required, and the operation is complicated.

[0009] 6. Students can only see the macroscopic experimental phenomena in beakers and test tubes.

[0010] 7. Traditional experiments, a set of devices can only be applied to a specific experiment, and the universality is not strong. CONTENT OF THE UTILITY MODEL

[0011] The utility model aims at overcoming the above-mentioned defects in the prior art, and provides a microscale experiment cross type communication device with simple structure, reasonable design, convenient operation, low cost, environmental protection, no pollution, programmable sampling and material mixing, simplification of multi-step reactions, intuitive presentation of experimental content, excellent universality and the ability to meet the personalized and diversified experimental content teaching needs.

[0012] To achieve the above object, the utility model discloses a first aspect provides a kind of microscale experiment cross type communication device, including four-way joint, syringe one, syringe two, syringe outer tube one and syringe outer tube two, the syringe one, syringe two, syringe outer tube one and syringe outer tube two are all vertically arranged, the injection port of the syringe one is connected with the interface one of switch valve one, the interface two of switch valve one is connected with the vertical interface one of four-way joint, the injection port of the syringe two is connected with the interface one of switch valve two, the interface two of switch valve two is connected with the vertical interface two of four-way joint, the injection port of the syringe outer tube one is connected with the interface one of switch valve three, the interface two of switch valve three is connected with the horizontal interface one of four-way joint, the injection port of the syringe outer tube two is connected with the interface one of switch valve four, the interface two of switch valve four is connected with the horizontal interface two of four-way joint.

[0013] As a preferred embodiment, it further comprises a cleaning water bag and a waste liquid collection bag, the cleaning water bag is connected with the interface three of switch valve three through the water inlet pipe, and the waste liquid collection bag is connected with the interface three of switch valve four through the waste water pipe.

[0014] As a preferred embodiment, a switch valve five is arranged between the water inlet pipe and the interface three of switch valve three, and / or a switch valve six is arranged between the waste water pipe and the interface three of switch valve four.

[0015] As another preferred embodiment, it further comprises at least one additional syringe arranged longitudinally and at least one switch valve seven connected with each other, the injection port of each additional syringe is connected with the interface one of the corresponding switch valve seven respectively, the first additional syringe is connected with the interface three of switch valve four through the interface two of the corresponding switch valve seven, and the interface three of the former switch valve seven is connected with the interface two of the latter switch valve seven between two adjacent switch valves seven.

[0016] As another preferred embodiment, it further comprises a cleaning water bag and a waste liquid collection bag, the cleaning water bag is connected with the interface three of switch valve three through the water inlet pipe, and the waste liquid collection bag is connected with the interface three of the switch valve seven corresponding to the last additional syringe through the waste water pipe.

[0017] As another preferred embodiment, a switch valve six is arranged between the waste water pipe and the interface three of the switch valve seven corresponding to the last additional syringe.

[0018] As another preferred embodiment, it further comprises a syringe three, the injection port of the syringe three is directly connected with the interface four or interface three of switch valve three, or the injection port of the syringe three is connected with the interface four or interface three of switch valve three through a switch valve eight.

[0019] The utility model discloses a second aspect provides a kind of microscale experiment cross type communication device, including four-way joint, syringe one, syringe two, syringe three and at least one additional syringe, the syringe one, syringe two and all additional syringes are vertically arranged, the injection port of the syringe one is connected with the interface one of switch valve one, the interface two of switch valve one is connected with the longitudinal interface one of four-way joint, the injection port of the syringe two is connected with the interface one of switch valve two, the interface two of switch valve two is connected with the longitudinal interface two of four-way joint, the injection port of each additional syringe is respectively connected with the interface one of each corresponding switch valve seven, first additional syringe is connected with the horizontal interface two of four-way joint by the interface two of switch valve seven corresponding thereto, or is connected with the switch valve four installed in the horizontal interface two of four-way joint by the interface two of switch valve seven corresponding thereto, between adjacent two switch valve seven, the interface three of former switch valve seven is connected with the interface two of latter switch valve seven, the injection port of the syringe three is directly connected with the switch valve three installed in the horizontal interface one of four-way joint, or, the injection port of the syringe three is connected with the switch valve three installed in the horizontal interface one of four-way joint by switch valve eight.

[0020] As still another preferred embodiment, it further comprises a cleaning water bag and a waste liquid collection bag, the cleaning water bag is connected with the interface three of switch valve three by water inlet pipe, and the waste liquid collection bag is connected with the interface three of the switch valve seven corresponding to the last additional syringe by waste water pipe.

[0021] As still another preferred embodiment, the waste water pipe is provided with switch valve six between the interface three of the switch valve seven corresponding to the last additional syringe.

[0022] As preferred, it further comprises a background plate installed on the back of each component of microscale experiment cross type communication device.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1. The utility model discloses simple structure, reasonable in design, convenient operation, low in cost, environmental protection, and it utilizes four-way joint, switch valve, syringe and other components to assemble into vertical and horizontal staggered microscale experiment cross type communication device, realizes programed sampling and material mixing by controlling valve opening and closing, makes multi-step reaction simple, can directly present experimental content, realizes the comprehensive, miniaturization and green innovation of experimental device, and the integrated device has excellent universality, can be applied to six categories of chemical experiments, can realize one "with" multiple, satisfies the individualized, diversified experimental content teaching demand.

[0025] 2、The utility model discloses can carry out continuous experiment, can make experiment continuously under the closed system, can reduce the pollution to environment, reduces the influence to the health of teacher and student.

[0026] 3、The utility model discloses still can combine background board book and mind map design, through the "double micro " of " syringe micro -device " and " handheld micro -device " combination, realize " phenomenon evidence " and " data evidence " complementary, help student to understand " macroscopic phenomenon " behind " micro - principle ", realize " macro - micro - curve - symbol " multiple visual representation, help student thinking model construction. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, the drawing in the following description is some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0028] Figure 1 It is the structural schematic diagram of the first micro - experiment cross - type communication device provided by the utility model embodiment;

[0029] Figure 2 It is the structural schematic diagram of the first micro - experiment cross - type communication device provided by the utility model embodiment after installing background board;

[0030] Figure 3 It is the experimental demonstration drawing of the first micro - experiment cross - type communication device provided by the utility model embodiment when exploring the influence of concentration on the ionization equilibrium movement of cyanine;

[0031] Figure 4 It is the structural schematic diagram of the second micro - experiment cross - type communication device provided by the utility model embodiment;

[0032] Figure 5 It is the experimental demonstration drawing of the second micro - experiment cross - type communication device provided by the utility model embodiment when carrying out the preparation, test, nature inquiry and tail gas treatment integrated experiment of sulfur dioxide gas;

[0033] Figure 6 It is the structural schematic diagram of the third micro - experiment cross - type communication device provided by the utility model embodiment. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0035] Embodiment one

[0036] Please refer to Figure 1 Embodiment one of the utility model provides a kind of microscale experiment cross type communication device, including four-way joint 1, syringe one 2, syringe two 3, syringe outer cylinder one 4 and syringe outer cylinder two 5 etc., the following each component of this embodiment is explained in detail in combination with drawing.

[0037] As Figure 1 Indicated, syringe one 2, syringe two 3, syringe outer cylinder one 4 and syringe outer cylinder two 5 are vertically arranged, and the injection port of syringe one 2 is connected with the interface one of switch valve one 6, the interface two of switch valve one 6 is connected with the vertical interface one of four-way joint 1, the injection port of syringe two 3 is connected with the interface one of switch valve two 7, the interface two of switch valve two 7 is connected with the vertical interface two of four-way joint 1, the injection port of syringe outer cylinder one 4 is connected with the interface one of switch valve three 8, the interface two of switch valve three 8 is connected with the horizontal interface one of four-way joint 1, the injection port of syringe outer cylinder two 5 is connected with the interface one of switch valve four 9, and the interface two of switch valve four 9 is connected with the horizontal interface two of four-way joint 1.

[0038] When using, various solutions, reagents, solids or other chemical materials can be stored in each syringe, and various solutions and reagents can be stored in syringe outer cylinder, and sensor required by experiment can be placed.

[0039] As Figure 1 Indicated, the microscale experiment cross type communication device can also include clean water bag 10 and waste liquid collection bag 11, and clean water bag 10 can be directly connected with the interface three of switch valve three 8 through water inlet pipe 12, and waste liquid collection bag 11 can be directly connected with the interface three of switch valve four 9 through waste water pipe 13. Of course, in other embodiments, switch valve five 14 can be additionally arranged between water inlet pipe 12 and the interface three of switch valve three 8, and switch valve six 15 can be additionally arranged between waste water pipe 13 and the interface three of switch valve four 9.

[0040] After experiment, the user can clean each component of the device by using clean water in clean water bag 10, and waste water after cleaning can be collected into waste liquid collection bag 11.

[0041] As Figure 2 shown, as a further improvement of the present embodiment, the micro-experiment cross-type communication device further comprises a background plate 16 installed on the back of each component. The background plate 16 can facilitate users to write various experiment-related contents on its surface, such as chemical equations, material names, mind maps, etc.

[0042] For example, as Figure 3 shown, the micro-experiment cross-type communication device of the first embodiment of the present application can be applied to an experiment to explore the effect of concentration on the ionization equilibrium movement of anthocyanin. During the experiment, the syringe one 2 can store vinegar, the syringe two 3 can store baking soda water, the syringe outer cylinder one 4 and the syringe outer cylinder two 5 can both store wolfberry water, and at the same time, the syringe outer cylinder one 4 and the syringe outer cylinder two 5 can also be inserted into a sensor which can be connected with various display devices such as experimental analysis instruments and computers, and the sensor can collect relevant data of the wolfberry water in the syringe outer cylinder one 4 and the syringe outer cylinder two 5.

[0043] Of course, according to actual needs, the micro-experiment cross-type communication device of the first embodiment of the present application can also be used for other chemical experiments, not limited to the above examples.

[0044] Embodiment two

[0045] Please refer to Figure 4 , the embodiment two of the utility model provides a micro-experiment cross-type communication device, comprising four-way joint 1, syringe one 2, syringe two 3, syringe three 19 and a plurality of additional syringes 17 and other components, the following detailed description of each component of the present embodiment is combined with the drawings.

[0046] As Figure 4 shown, the syringe one 2, the syringe two 3 and all additional syringes 17 are longitudinally arranged, the injection port of the syringe one 2 is connected with the interface one of the on-off valve one 6, the interface two of the on-off valve one 6 is connected with the longitudinal interface one of the four-way joint 1, the injection port of the syringe two 3 is connected with the interface one of the on-off valve two 7, the interface two of the on-off valve two 7 is connected with the longitudinal interface two of the four-way joint 1, the injection port of each additional syringe 17 is respectively connected with the interface one of the corresponding on-off valve seven 18, the first additional syringe 17 is connected with the on-off valve four 9 installed in the transverse interface two of the four-way joint 1 through the interface two of the corresponding on-off valve seven 18, between two adjacent on-off valves seven 18, the interface three of the former on-off valve seven 18 is connected with the interface two of the latter on-off valve seven 18, and the injection port of the syringe three 19 is connected with the on-off valve three 8 installed in the transverse interface one of the four-way joint 1 through the on-off valve eight 20.

[0047] According to actual needs, in other embodiments, the first additional syringe 17 can also be directly connected with the lateral interface two of the four-way joint 1 through the interface two of the corresponding switch valve seven 18, and the injection port of the third syringe 19 can also be directly connected with the switch valve three 8 installed at the lateral interface one of the four-way joint 1.

[0048] In use, various solutions, reagents, solids or other chemical materials can be stored in the syringes, and the individual syringes can also be used for gas collection.

[0049] It should be noted that the number of additional syringes 17 and switch valves seven 18 can be increased or decreased as needed, and is not limited to the present embodiment.

[0050] As shown in Figure 4 , the micro experimental cross-shaped communication device can also include a cleaning water bag 10 and a waste liquid collection bag 11. The cleaning water bag 10 can be directly connected with the interface three of the switch valve three 8 through the water inlet pipe 12, and the waste liquid collection bag 11 can be directly connected with the interface three of the switch valve five 14 corresponding to the last additional syringe 17 through the waste water pipe 13. Of course, in other embodiments, a switch valve six 15 can also be additionally provided between the waste water pipe 13 and the interface three of the switch valve seven 18 corresponding to the last additional syringe 17.

[0051] After the experiment is completed, the user can use the cleaning water in the cleaning water bag 10 to clean each component of the device, and the waste water after cleaning can be collected in the waste liquid collection bag 11.

[0052] Preferably, the micro experimental cross-shaped communication device of the second embodiment can also be provided with a background plate installed at the back of each component.

[0053] For example, as shown in Figure 5 , the micro experimental cross-shaped communication device of the second embodiment can be applied to the preparation, testing, property exploration and tail gas treatment integrated experiment of sulfur dioxide gas. During the experiment, the syringe one 2 can store 70% H2SO4, the syringe two 3 can store Na2SO3 solid, and the five additional syringes 17 can store, in sequence, respectively, magenta solution, KMnO4 solution, Na2S solution, purple litmus solution and NaOH solution. The third syringe 19 is used for collecting SO2, and by controlling the opening and closing of different switch valves, programmed sampling and material mixing can be achieved.

[0054] Of course, according to actual needs, the micro experimental cross-shaped communication device of the second embodiment can also be used for other chemical experiments, and is not limited to the above examples.

[0055] Embodiment three

[0056] Please refer toFigure 6 The embodiment three of the utility model provides a kind of microscale experiment cross type communication device, its structure is mostly same with the structure of above-mentioned embodiment two, only difference is just: still add the syringe outer tube one 4 and syringe outer tube two 5 described in above-mentioned embodiment one.This microscale experiment cross type communication device of embodiment three is the combination device of above-mentioned embodiment one and embodiment two.

[0057] It needs to be explained here that the switch valve described in each of the above embodiments can be provided as a two-way valve, a three-way valve or a four-way valve with a switch.

[0058] When using, the operation process of each of the above embodiments can be:

[0059] ① connect switch valve and four-way pipe→② connect to switch valve in sequence after adding reagent in syringe→③ fix on background board (cooperate board book design) →④ connect handheld sensor→⑤ carry out experiment→⑥ device self-cleaning and waste liquid / tail gas treatment.

[0060] The microscale experiment cross type communication device of the utility model has the following advantages:

[0061] 1, simple structure, reasonable in design, convenient operation, low cost, environmental protection, it is assembled into vertical and horizontal staggered microscale experiment cross type communication device using four-way joint, switch valve, syringe and other components, by controlling valve opening and closing, programmable sampling and material mixing can be realized, so that multi-step reaction is simplified, the experimental content can be intuitively presented, the comprehensive, miniaturization and green innovation of experimental device are realized, the integrated device has excellent universality, can be applied to six categories of chemical experiments, can realize one "with" multiple, meet the personalized, diversified experimental content teaching needs.

[0062] 2, continuous experiment can be carried out, so that experiment can be continuously carried out in closed system, can reduce pollution to environment, reduce influence on health of teachers and students.

[0063] 3, combined with background board book and mind map design, by the combination of "double micro" of "syringe micro device" and "handheld micro device", "phenomenon evidence" and "data evidence" can be realized, which is complementary, it is helpful for students to understand "macroscopic principle" behind "macroscopic phenomenon", realize "macroscopic-microscopic-curve-symbol" multiple visual representation, help students to build thinking model.

[0064] The microscale experiment cross type communication device of the utility model has the following innovative points:

[0065] Material is taken from life: let students "do chemical experiment";

[0066] Miniaturization and green: let students "establish green chemistry view";

[0067] Device integration: let students "distinguish the function of the partition";

[0068] Operation programming: let students "clear the experimental steps";

[0069] Characterization visualization: let students "see the experimental phenomenon";

[0070] Modeling thinking: let students "can realize the modeling of thinking";

[0071] Application universalization: let students "learn to touch the class on the side";

[0072] The above embodiments are the preferred embodiments of the present application, but the embodiments of the present application are not limited by the above embodiments, and any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present application should be equivalent replacement methods, all of which are included in the protection scope of the present application.

Claims

1. A microscale experimental cross junction, characterized by: The four-way joint, the syringe one, the syringe two, the syringe outer cylinder one and the syringe outer cylinder two are longitudinally arranged, the injection port of the syringe one is connected with the interface one of the switch valve one, the interface two of the switch valve one is connected with the longitudinal interface one of the four-way joint, the injection port of the syringe two is connected with the interface one of the switch valve two, the interface two of the switch valve two is connected with the longitudinal interface two of the four-way joint, the injection port of the syringe outer cylinder one is connected with the interface one of the switch valve three, the interface two of the switch valve three is connected with the transverse interface one of the four-way joint, the injection port of the syringe outer cylinder two is connected with the interface one of the switch valve four, and the interface two of the switch valve four is connected with the transverse interface two of the four-way joint.

2. The microscale experimental cross junction of claim 1, wherein: The cleaning water bag is connected with the interface three of the switch valve three through the water inlet pipe, and the waste liquid collecting bag is connected with the interface three of the switch valve four through the waste water pipe.

3. The microscale experimental cross junction of claim 2, wherein: The switch valve five is arranged between the water inlet pipe and the interface three of the switch valve three, and / or the switch valve six is arranged between the waste water pipe and the interface three of the switch valve four.

4. The microscale experimental cross junction of claim 1, wherein: At least one additional syringe arranged longitudinally and at least one switch valve seven connected with each other are further included, the injection port of each additional syringe is connected with the interface one of the corresponding switch valve seven respectively, the first additional syringe is connected with the interface three of the switch valve four through the interface two of the corresponding switch valve seven, and the interface three of the former switch valve seven is connected with the interface two of the latter switch valve seven between two adjacent switch valves seven.

5. The microscale experimental cross junction of claim 4, wherein: The cleaning water bag is connected with the interface three of the switch valve three through the water inlet pipe, and the waste liquid collecting bag is connected with the interface three of the corresponding switch valve seven of the last additional syringe through the waste water pipe.

6. The microscale experimental cross junction of claim 1, wherein: The injection port of the syringe three is directly connected with the interface four or the interface three of the switch valve three, or the injection port of the syringe three is connected with the interface four or the interface three of the switch valve three through the switch valve eight.

7. The microscale experimental cross junction of claim 1, wherein: The background plate is installed on the back of each component of the micro experiment cross type communication device.

8. A microscale experimental cross junction, characterized by: The four-way joint, the syringe one, the syringe two, the syringe three and at least one additional syringe are longitudinally arranged, the injection port of the syringe one is connected with the interface one of the switch valve one, the interface two of the switch valve one is connected with the longitudinal interface one of the four-way joint, the injection port of the syringe two is connected with the interface one of the switch valve two, the interface two of the switch valve two is connected with the longitudinal interface two of the four-way joint, the injection port of each additional syringe is respectively connected with the interface one of the corresponding switch valve seven, the first additional syringe is connected with the horizontal interface two of the four-way joint through the interface two of the corresponding switch valve seven, or is connected with the switch valve four installed on the horizontal interface two of the four-way joint through the interface two of the corresponding switch valve seven, between two adjacent switch valves seven, the interface three of the former switch valve seven is connected with the interface two of the latter switch valve seven, the injection port of the syringe three is directly connected with the switch valve three installed on the horizontal interface one of the four-way joint, or is connected with the switch valve three installed on the horizontal interface one of the four-way joint through the switch valve eight.

9. The microscale experimental cross junction of claim 8, wherein: The cleaning water bag is connected with the interface three of the switch valve three through the water inlet pipe, and the waste liquid collecting bag is connected with the interface three of the switch valve seven corresponding to the last additional syringe through the waste water pipe.

10. The microscale experimental cross-shaped communication device according to claim 5 or 9, characterized in that: The switch valve six is arranged between the waste water pipe and the interface three of the switch valve seven corresponding to the last additional syringe.

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