Automatic electrolyte sample preparation device

Abstract

The utility model provides an electrolyte automatic sample preparation device, which comprises a main box body, which is provided with a cuboid sealing structure formed by a bottom plate, a top plate, a front side plate, a rear side plate, a left side plate and a right side plate; the transition cabin is arranged on the left side and / or the right side of the main box body; the feeding device comprises a metering pump, a control unit, an input unit, a display unit, a buffer tank and a pipeline; and the bracket is used for bearing the main box body. The automatic electrolyte sample preparation device can provide raw materials for a plurality of samples, has a backflow function, can realize accurate control of electrolyte addition by being matched with a control device, can save a large amount of manpower and time, and can complete a preparation task of an electrolyte or a solvent only by putting a container into a specified position of the main box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeding device, concretely relates to electrolyte automatic sample preparation device. BACKGROUND

[0002] At present, the electrolyte trial sample in the battery industry is all operated in the glove box, and the operator needs to manually weigh and add electrolyte (or solvent) and lithium salt, which requires the operator to stand in front of the glove box for a long time to operate, increases the labor intensity, causes great waste of manpower and materials, and has large weighing error, so that the quality of the product cannot be well controlled. In order to reduce the work burden of the operator and realize accurate weighing, an automatic sample preparation device is urgently needed in the battery industry. SUMMARY

[0003] TECHNICAL PROBLEM

[0004] In view of the problems in the prior art, the utility model aims at providing an electrolyte automatic sample preparation device which can realize automatic operation of electrolyte preparation.

[0005] TECHNICAL SCHEME

[0006] The utility model provides a kind of electrolyte automatic sample preparation device, it can be satisfied with the atmosphere required when preparing electrolyte while accurately control the sample amount when dispensing, and can save manpower, just need to be placed into the glove box of the container in main box body, equipment is automatically completed task according to setting.

[0007] The utility model is realized by the following technical schemes:

[0008] An electrolyte automatic sample preparation device comprises:

[0009] A main box body has a rectangular cuboid sealing structure formed by a bottom plate, a top plate, a front side plate, a rear side plate, a left side plate and a right side plate; a transition cabin is arranged on the left side and / or the right side of the main box body, and comprises an inner door arranged between the transition cabin and the main box body, and an outer door arranged between the transition cabin and the external environment; and

[0010] A feeding device comprises a metering pump, a control unit, an input unit, a display unit, a buffer tank and a pipeline, wherein the buffer tank is arranged outside the main box body and fixed on the upper surface of the top plate of the main box body, the metering pump is fixed on the inner surface of the top plate in the main box body and communicated with the buffer tank through the pipeline penetrating through the top plate, the other end of the metering pump is communicated with the discharge pipeline for feeding the container in the main box body; the control unit is arranged outside the main box body and connected with the metering pump through signal lines, and the input unit and the display unit are connected with the control unit through signal lines; and

[0011] A support is used for bearing the main box body,

[0012] A plurality of glove holes are arranged on the front side and / or the rear side of the main box body, and operating gloves are installed at the glove holes, and air inlet holes and air outlet holes for replacing the atmosphere inside the main box body are arranged on the main box body.

[0013] In a specific embodiment, symmetric operating gloves are arranged on the front side and / or the rear side of the main box body.

[0014] In another specific embodiment, the top plate of the main box body is provided with a transparent observation window; and / or, the front side plate and / or the rear side plate are provided with a transparent observation window, or the front side plate and / or the rear side plate are made of transparent material.

[0015] In another specific embodiment, the transition cabin includes two transition cabins with different volumes, and each transition cabin is provided with air inlet holes and air outlet holes for gas exchange.

[0016] The transition cabin with a larger volume is suitable for a larger container, and the transition cabin with a smaller volume is suitable for a smaller container.

[0017] In another specific embodiment, the feeding device includes a plurality of metering pumps, each of which is used to feed different electrolyte, and the plurality of metering pumps are connected to the control unit through signal lines.

[0018] In another specific embodiment, the control unit can be a single-chip microcomputer, the input unit can be a keyboard, and the display unit can be a display.

[0019] After the target flow rate is input through the input unit, the control unit controls the metering pump to open or close to realize automatic preparation of the electrolyte. One metering pump is in communication with one buffer tank through a pipeline, or one metering pump is in communication with a plurality of buffer tanks through a pipeline.

[0020] In another specific embodiment, the number of buffer tanks is multiple, and the plurality of buffer tanks are respectively used to store different electrolytes or solvents, and the volumes of the plurality of buffer tanks are the same or different.

[0021] In another specific embodiment, the buffer tank is provided with a backflow safety device and / or a heating device.

[0022] In another specific embodiment, the buffer tank is provided with a plurality of openings, which are respectively a discharge port, a raw material supplement port, a nitrogen pressurizing port, a venting port and a venting pressure relief port.

[0023] The use process of the automatic sample preparation device is as follows: first, the container for preparing electrolyte is placed in the main box transition cabin for atmosphere replacement, after the transition cabin gas is consistent with the main box gas, the container is transferred to the main box and placed below the discharge pipe of the electrolyte to be prepared, and the precise feeding is completed by inputting the value of the electrolyte or solvent to be added through the input unit.

[0024] Compared with the prior art, the automatic sample preparation device has the following beneficial effects:

[0025] The buffer tank on the main box can store a certain amount of electrolyte or solvent, and can provide raw materials for multiple samples, and has a reflux function, which can realize precise control of electrolyte addition in cooperation with the control device, can save a lot of manpower and time, and only needs to place the container in the specified position of the main box to complete the preparation task of electrolyte or solvent. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic diagram of the automatic sample preparation device according to the utility model as a whole;

[0027] Figure 2 is a top view of the sample preparation device;

[0028] REFERENCE NUMERALS

[0029] 1-buffer tank; 2-metering pump; 3-large transition cabin; 4-small transition cabin; 5-main box; 6-through hole DETAILED DESCRIPTION

[0030] The specific embodiments of the utility model will be described in detail below with reference to the drawings, and it should be noted that the following examples are only used to illustrate the utility model, and not to limit the scope of the utility model.

[0031] Figure 1 The automatic sample preparation device according to the utility model is shown. As shown in Figure 1 The automatic sample preparation device includes a main box 5 and a support for supporting the main box 5. The main box 5 is formed by a bottom plate, a top plate, a front side plate, a rear side plate, a left side plate and a right side plate into a rectangular sealed structure, wherein the front side plate and the rear side plate are made of organic glass material, and the rest are made of stainless steel plate.

[0032] A large transition cabin 3 and a small transition cabin 4 are arranged on the right side plate of the main box body 5. An inner door is arranged between the large transition cabin 3 and the main box body, and an outer door is arranged between the large transition cabin 3 and the external environment. An inner door is arranged between the small transition cabin 4 and the main box body, and an outer door is arranged between the small transition cabin 3 and the external environment. When the container needs to be placed in the electrolyte automatic sample preparation device, first open the outer door, place the container in the transition cabin (3 or 4), close the outer door, and open the gas exchange device (not shown) to exchange gas in the transition cabin (3 or 4) through the gas inlet hole and the gas outlet hole. After the gas exchange is completed, open the inner door, move the container to the inside of the main box body through the glove, and close the inner door. The inner door and the outer door are both airtight, are hingedly installed, and are sealed by buckles.

[0033] Four circular openings are arranged on the front side plate and the rear side plate respectively, which are used to install rubber operating gloves to operate the objects in the main box body.

[0034] As shown in Figure 2 , a plurality of through holes 6 are arranged on the top plate of the main box body, which are used to install the pipelines connecting the metering pump 2 and the buffer tank 1, and the signal lines connecting the pump and the control unit.

[0035] The feeding device includes a metering pump 2, a control unit, a buffer tank 1 and a pipeline.

[0036] As shown in Figure 1 , the top plate of the main box body is provided with a load-bearing plate extending to the right end, and two or more reinforcing ribs are arranged below the load-bearing plate. A plurality of buffer tanks 1 are arranged on the load-bearing plate.

[0037] A plurality of buffer tanks 1 are respectively connected with a plurality of metering pumps 2 through pipelines, and the metering pump 2 is connected with a control unit (not shown) through a signal line. The control unit is connected with an input unit and a display unit through a circuit, the input unit is used to input the amount to be added, and the display unit is used to display the input value. When the metering pump 2 adds the set amount of electrolyte or solution, the control unit signals the metering pump 2 to stop working, thereby realizing the automatic preparation of the sample.

[0038] The buffer tank 1 is a plurality of, which are respectively used to buffer different electrolytes or solvents, and the buffer tank is communicated with the corresponding electrolyte storage tank through the pipeline.

[0039] Each buffer tank 1 is provided with a plurality of openings, which are respectively a discharge port, a raw material supplement port, a nitrogen pressurizing port, a venting port and a venting pressure relief port. These openings are respectively connected with corresponding pipelines to discharge, supplement raw materials, etc.

[0040] The above embodiment is only a detailed explanation of the technical scheme of the present application, and the present application is not limited to the above embodiment, and any improvement or replacement according to the principle of the present application should be within the protection scope of the present application.

Claims

1. An electrolyte automatic dispensing device, characterized in that, The electrolyte automatic sample preparation device comprises: a main box body having a rectangular cuboid sealing structure formed by a bottom plate, a top plate, a front side plate, a rear side plate, a left side plate and a right side plate; a transition cabin arranged on the left side and / or the right side of the main box body, comprising an inner door arranged between the transition cabin and the main box body, and an outer door arranged between the transition cabin and the external environment; and a feeding device comprising a metering pump, a control unit, an input unit, a display unit, a buffer tank and a pipeline, wherein the buffer tank is arranged outside the main box body and fixed on the upper surface of the top plate of the main box body, the metering pump is fixed on the inner surface of the top plate inside the main box body and communicates with the buffer tank through the pipeline passing through the top plate, the other end of the metering pump communicates with the discharge pipeline for feeding the container in the main box body; the control unit is arranged outside the main box body and connected with the metering pump through a signal line, and the input unit and the display unit are connected with the control unit through signal lines respectively; and a support for bearing the main box body, a plurality of glove holes are arranged on the front side and / or the rear side of the main box body, operating gloves are installed at the glove holes, and air inlet holes and air outlet holes for replacing the internal atmosphere of the main box body are arranged on the main box body.

2. The electrolyte automatic sample preparation device according to claim 1, wherein symmetrical operating gloves are arranged on the front side and / or the rear side of the main box body.

3. The electrolyte automatic sample preparation device according to claim 1, wherein the top plate of the main box body is provided with a transparent observation window, and / or the front side plate and / or the rear side plate are provided with a transparent observation window, or the front side plate and / or the rear side plate are made of transparent material.

4. The electrolyte automatic sample preparation device according to claim 1, wherein the transition cabin comprises two transition cabins with different volumes, and each transition cabin is provided with air inlet holes and air outlet holes for gas exchange.

5. The electrolyte automatic sample preparation device according to claim 1, wherein the control unit is a single-chip microcomputer, the input unit is a keyboard, and the display unit is a display.

6. The electrolyte automatic sample preparation device according to claim 1, wherein the feeding device comprises a plurality of metering pumps, each of which is used for feeding different electrolytes or solvents, and the plurality of metering pumps are connected with the control unit through signal lines.

7. The electrolyte automatic sample preparation device according to claim 6, wherein one metering pump only communicates with one buffer tank through a pipeline, or one metering pump communicates with multiple buffer tanks through pipelines.

8. The electrolyte automatic sample preparation device according to claim 1, wherein the number of buffer tanks is multiple, and the multiple buffer tanks are respectively used for storing different electrolytes or solvents, and the volumes of the multiple buffer tanks are the same or different.

9. The electrolyte automatic sample preparation device according to claim 1, wherein the buffer tank is provided with a backflow safety device and / or a heating device.

10. The electrolyte automatic sample preparation device according to claim 1, wherein The buffer tank is provided with a plurality of openings, respectively, a discharge port, a raw material supplement port, a nitrogen pressurizing port, a venting port and a venting pressure relief port.

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