CN219273907U

CN219273907U - Pole piece dust collector and pole piece dust pelletizing system

Info

Publication number: CN219273907U
Application number: CN202223448996.1U
Authority: CN
Inventors: 雷由保; 陈平
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-30
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a pole piece dust removing device and a pole piece dust removing system, the pole piece dust removing device comprises a device main body, a cover body and a vortex generating device, wherein the device main body is provided with a positive pressure cavity and a negative pressure cavity, the device main body is provided with an air vent for communicating an external positive pressure source and an air suction port for communicating an external negative pressure source, the air vent is communicated with the positive pressure cavity, the air suction port is communicated with the negative pressure cavity, the cover body is provided with an air outlet for communicating the positive pressure cavity and an air inlet for communicating the negative pressure cavity, the vortex generating device is arranged on the device main body, and the vortex generating device is provided with a spiral air hole for communicating the positive pressure cavity, and the spiral air hole is communicated with the air outlet. According to the pole piece dust removing device, the vortex generating device is arranged on the device main body and is communicated with the positive pressure cavity, so that high-speed rotating air flow is conveniently blown out, small particle dust on the surface of the pole piece is conveniently removed, and the dust removing efficiency of the pole piece is further improved.

Description

Pole piece dust collector and pole piece dust pelletizing system

Technical Field

The utility model relates to the technical field of pole piece dust removal, in particular to a pole piece dust removal device. The utility model also relates to a pole piece dust removal system comprising the pole piece dust removal device.

Background

In the automated cell production process, improper dust handling can cause serious cell contamination and even puncture of the separator to cause short circuits. In addition, in the mass production process, dust can be adhered to the tool jig, and the subsequent production positioning is affected to a certain extent.

At present, the main flow dust removal adopts mainly contact brushes, dust collectors, air knives and the like. However, the contact brush dust removal can cause the falling of active substances on the current collector, so that the risk of secondary pollution is increased; the dust removal effect of the dust collector and the air knife is limited, and the dust removal effect of the dust collector and the air knife is only capable of removing the foreign matters with larger particles, and the area of the air opening of the air knife is smaller, so that the dust removal with large area and large space is difficult to realize.

Disclosure of Invention

In view of the above, the present utility model is directed to a pole piece dust removing device to improve dust removing efficiency.

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

a pole piece dust removal device comprising: the device comprises a device main body, a pressure sensor and a pressure sensor, wherein the device main body is provided with a positive pressure cavity and a negative pressure cavity, a vent hole for communicating an external positive pressure source and an air suction port for communicating an external negative pressure source are arranged on the device main body, the vent hole is communicated with the positive pressure cavity, and the air suction port is communicated with the negative pressure cavity;

the cover body is arranged on the outer side of the device main body in a covering mode, and is provided with an air outlet communicated with the positive pressure cavity and an air inlet communicated with the negative pressure cavity;

the vortex generating device is arranged on the device main body and is provided with a spiral air hole communicated with the positive pressure cavity, the spiral air hole is communicated with the air outlet, and air flow in the positive pressure cavity forms high-speed rotating air flow through the spiral air hole and is output by the air outlet.

Further, the vortex generating device comprises a main body part embedded in the device main body, a conversion channel penetrating in the height direction of the main body part is arranged on the main body part, the two conversion channels are arranged side by side, one end of each conversion channel is communicated with the positive pressure cavity, and the other ends of the two conversion channels are combined to form the spiral air hole.

Further, the conversion channel is arranged in a conical shape along the airflow flowing direction.

Further, the spiral air holes are formed in a plurality of groups at intervals along the length direction of the main body.

Further, the air outlet extends along the length direction of the main body part, and the air outlet corresponds to each spiral air hole.

Further, the device body includes an outer case and an inner case, the inner case dividing the device body into a positive pressure chamber and a negative pressure chamber;

the air vent is arranged on the inner shell, and the air suction port is arranged on the outer shell.

Further, the air vent and/or the air suction port are provided in plurality on the device main body.

Compared with the prior art, the utility model has the following advantages:

according to the pole piece dust removing device, the vortex generating device is arranged on the device main body and is communicated with the positive pressure cavity, so that high-speed rotating air flow is conveniently blown out, small particle dust on the surface of the pole piece is conveniently removed, and the dust removing efficiency of the pole piece is further improved.

In addition, the vortex generating device comprises a main body part and a conversion channel, the gas in the positive pressure cavity is converted into high-speed gas flow through the conversion channel, one end of the conversion channel is spirally arranged, so that the gas flow flowing out from the gas outlet is high-speed and rotary, and tiny dust on the surface of the pole piece can be conveniently removed. The transition passage is tapered to facilitate high velocity airflow. The spiral air holes are arranged at intervals along the length direction of the main body, so that the dust removal effect on the pole pieces is improved.

In addition, the device main body comprises an outer shell and an inner shell, the inner shell divides the device main body into a positive pressure cavity and a negative pressure cavity, and the blowing and the sucking processes of the device main body are convenient, so that the dust removal on the surface of the pole piece is completed. The air vent and the air suction port are arranged on the device main body, so that the air blowing and suction effects can be improved.

Another object of the present utility model is to provide a pole piece dust removal system, which includes an external positive pressure source, an external negative pressure source, and a pole piece dust removal device as described above.

Further, the pole piece dust removing system further comprises a filtering device, and the filtering device is arranged between the external negative pressure source and the pole piece dust removing device.

Compared with the pole piece dust removing device in the prior art, the pole piece dust removing system has the same beneficial effects and is not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is an exploded view of a pole piece dust removal device according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a partial perspective view of a vortex generating device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an inlet structure of a transfer passage according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of an outlet structure of a switching channel according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a device body; 101. an outer housing; 1011. an air suction port; 1012. a through hole; 102. an inner housing; 1021. a first protrusion; 1022. a vent; 1023. rectangular grooves; 103. a positive pressure chamber; 104. a negative pressure chamber;

2. vortex generating means; 201. a main body portion; 2011. a second protrusion; 202. a switching channel; 203. spiral air holes;

301. a cover cap; 302. a bottom plate; 3021. a groove; 3022. an air outlet; 3023. an air inlet;

4. an air inlet pipe; 5. and an air outlet pipe.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The present embodiment relates to a pole piece dust removing device, which includes, in its entire constitution, as shown in fig. 1, a device body 1, a cover body, and a vortex generating device 2. The device body 1 has a positive pressure chamber 103 and a negative pressure chamber 104, and the device body 1 is provided with a vent 1022 for communicating with an external positive pressure source and an air inlet 1011 for communicating with an external negative pressure source, the vent 1022 is communicated with the positive pressure chamber 103, and the air inlet 1011 is communicated with the negative pressure chamber 104. The cover body is arranged on the outer side of the device main body 1, and is provided with an air outlet 3022 communicated with the positive pressure cavity 103 and an air inlet 3023 communicated with the negative pressure cavity 104.

The vortex generating device 2 is arranged on the device main body 1, the vortex generating device 2 is provided with a spiral air hole 203 communicated with the positive pressure cavity 103, the spiral air hole 203 is communicated with the air outlet 3022, and the air flow in the positive pressure cavity 103 forms high-speed rotating air flow through the spiral air hole 203 and is output by the air outlet 3022.

Based on the overall description of the above structure, an exemplary structure of the pole piece dust removing device of the present embodiment is shown in fig. 1 and 2, the device body 1 includes an outer case 101 and an inner case 102, and the inner case 102 partitions the device body 1 into a positive pressure chamber 103 and a negative pressure chamber 104. Specifically, the outer casing 101 is a rectangular frame, the inner casing 102 is disposed in the outer casing 101, and a through hole 1012 is formed in the outer casing 101, so that a first protrusion 1021 on the top of the inner casing 102 is inserted to be convenient for direct communication with an external positive pressure source.

The portion between the outer case 101 and the inner case 102 is referred to as a negative pressure chamber 104, and the inner case 102 has a positive pressure chamber 103 inside. Further, referring to fig. 2, two ventilation ports 1022 and intake ports 1011 are provided in the apparatus main body 1, and the two ventilation ports 1022 are provided in the top first boss 1021 portion of the inner case 102 and extend into the main body 201 to form two ventilation passages, which form the positive pressure chamber 103 in the inner case 102, and the ventilation ports 1022 are used to communicate the positive pressure chamber 103 with an external positive pressure source. And two suction ports 1011 are provided on the outer case 101 and on both sides of the through hole 1012 for communicating the negative pressure chamber 104 with an external negative pressure source.

And the above-described vortex generating device 2 is provided on the inner housing 102 of the device body 1. A specific vortex generating device 2 is embedded in the bottom of the inner housing 102. As a preferred embodiment, the vortex generating device 2 includes a main body 201 embedded in the device main body 1, the main body 201 has two conversion channels 202 penetrating in the height direction, the two conversion channels 202 are arranged side by side, one end of each of the two conversion channels 202 is communicated with the positive pressure cavity 103, and the other ends of the two conversion channels 202 are combined to form the spiral air hole 203.

Referring to fig. 1 and 2, the body 201 is provided in an elongated shape, and a rectangular groove 1023 adapted to the body 201 is provided at the bottom of the inner case 102 so that the body 201 can be fitted in the rectangular groove 1023. The two conversion channels 202 are arranged on the main body 201 side by side, and each conversion channel 202 is communicated with the positive pressure cavity 103, so that the gas can circulate conveniently.

And preferably, as shown in fig. 3, two switching channels 202 are respectively communicated with two ventilation channels. And the other ends of the two conversion channels 202 are combined to form a crescent spiral air hole 203, so that the air flow passing through the conversion channels 202 becomes high-speed and rotating air flow, thereby improving the dust removal effect.

As a preferred embodiment, as shown in fig. 3 to 5, the conversion channel 202 is configured to be tapered in the airflow flowing direction, and when the airflow enters the conversion channel 202 to flow, the airflow can be pressurized and accelerated, so that the airflow flows out of the spiral air hole 203 to be a high-speed airflow.

In addition, in a preferred embodiment, the spiral air holes 203 are provided in plural at intervals along the longitudinal direction of the main body 201, and it is possible to remove dust from the surface of the pole piece at the same time, thereby improving dust removal efficiency. The number of the spiral air holes 203 in the present embodiment is not particularly limited, and may be set according to practical situations.

In this embodiment, the cover body includes a cover 301 fastened to the outer casing 101 and a bottom plate 302 disposed at the bottom of the cover 301, and the bottom plate 302 is formed with the air outlet 3022 and the air inlet 3023. Referring to fig. 2, a recess 3021 is provided in the middle of the base plate 302 corresponding to the main body portion 201, and an air outlet 3022 is formed in the bottom of the recess 3021. The main body 201 is provided with a second protrusion 2011, and the spiral air hole 203 is formed on the second protrusion 2011. The second protrusion 2011 on the body 201 can be inserted into the recess 3021 on the base plate 302 to position the base plate 302. Meanwhile, each spiral air hole 203 can be close to the surface of the pole piece, so that the stripping effect on dust on the surface of the pole piece is improved, and the dust removal efficiency of the pole piece is improved.

Referring specifically to fig. 1 and 2, the air outlet 3022 is provided in an elongated shape extending in the longitudinal direction of the main body portion 201, and the air outlet 3022 corresponds to each of the spiral air holes 203. The high-speed rotating air flow blown out of the spiral air holes 203 can be blown to the pole piece surface through the long and narrow air outlet 3022.

While referring to fig. 1 and 2, the air inlet 3023 is provided in a ring shape around the air outlet 3022, sucks the blown dust into the negative pressure chamber 104, and sucks out through the air suction port 1011 to complete the entire dust removal process.

In the pole piece dust removal device of the embodiment, two air inlets 1022 are communicated with an external positive pressure source through an external air inlet pipe 4, and two air inlets 1011 are communicated with an external negative pressure source through an external air outlet pipe 5. The air flow blown in by the external positive pressure source is blown into the vortex generating device 2 through the positive pressure cavity 103. After the air flow in the positive pressure cavity 103 enters the conversion channel 202, the air flow is blown out from the threaded air holes along the conversion channel 202 by pressurization, and the air flow rotating at high speed is blown to the surface of the pole piece for dust removal.

Then, the external negative pressure source is communicated with the negative pressure cavity 104, so that negative pressure is formed in the negative pressure cavity 104, the air inlet 3023 in a negative pressure state adsorbs dust on the surface of the pole piece into the negative pressure cavity 104, and finally the dust is sucked out through the external air outlet pipe 5, and the final dust removing process is completed.

The embodiment also relates to a pole piece dust removing system, which comprises an external positive pressure source, an external negative pressure source and the pole piece dust removing device. And preferably, the pole piece dust removing system further comprises a filtering device, and the filtering device is arranged between the external negative pressure source and the pole piece dust removing device. When the dust is absorbed into the negative pressure cavity 104 and enters the filtering device through the air outlet pipe 5, the filtering is completed in the filtering device, so that the dust and impurities can be removed better.

The pole piece dust removing system of this embodiment through adopting foretell pole piece dust collector, can have better dust removal effect, and its simple structure, the processing setting of being convenient for reduces manufacturing cost.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A pole piece dust collector, comprising:

the device comprises a device main body, a pressure sensor and a pressure sensor, wherein the device main body is provided with a positive pressure cavity and a negative pressure cavity, a vent hole for communicating an external positive pressure source and an air suction port for communicating an external negative pressure source are arranged on the device main body, the vent hole is communicated with the positive pressure cavity, and the air suction port is communicated with the negative pressure cavity;

2. The pole piece dust removal device of claim 1, wherein:

the vortex generating device comprises a main body part embedded in the device main body, wherein the main body part is provided with conversion channels penetrating in the height direction of the main body part, the two conversion channels are arranged side by side, one ends of the two conversion channels are communicated with the positive pressure cavity, and the other ends of the two conversion channels are combined to form the spiral air hole.

3. The pole piece dust removal device of claim 2, wherein:

the transition passage is tapered in the direction in which the air flows.

4. The pole piece dust removal device of claim 2, wherein:

the spiral air holes are formed in a plurality of groups along the length direction of the main body at intervals.

5. The pole piece dust removal device of claim 2, wherein:

the air outlets extend along the length direction of the main body part, and correspond to the spiral air holes.

6. The pole piece dust removal device according to any one of claims 1 to 5, characterized in that:

the device main body comprises an outer shell and an inner shell, and the inner shell divides the device main body into a positive pressure cavity and a negative pressure cavity;

7. The pole piece dust removal device of claim 6, wherein:

the air vent and/or the air suction port are provided in a plurality of the device main bodies.

8. A pole piece dust removal system, characterized in that: the pole piece dust removal system comprises an external positive pressure source, an external negative pressure source and the pole piece dust removal device of any one of claims 1 to 7.

9. The pole piece dust removal system of claim 8, wherein:

the pole piece dust removing system further comprises a filtering device, and the filtering device is arranged between the external negative pressure source and the pole piece dust removing device.