CN215051570U

CN215051570U - Electrostatic electret device with carbon fiber array structure electret chamber

Info

Publication number: CN215051570U
Application number: CN202120602844.9U
Authority: CN
Inventors: 陈岗; 夏冰成
Original assignee: Anshan Leadsun Electronics Co ltd
Current assignee: Anshan Leadsun Electronics Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-07
Anticipated expiration: 2031-03-24

Abstract

The utility model provides an electrostatic electret device with carbon fiber array structure electret chamber, which comprises a frame, a metal roller shaft and an electret chamber; the metal roller comprises a plurality of metal rollers which are arranged on the frame in parallel, and a electret chamber is arranged above or below the metal rollers in parallel. The electret chamber comprises an insulating cover plate and a plurality of L-shaped copper strips arranged in the insulating cover plate, a plurality of carbon fiber clusters are uniformly arranged at the lower ends of the L-shaped copper strips, the cross sections of the carbon fiber clusters are of an array structure formed by a plurality of carbon fibers, and electrostatic fields are formed between the plurality of carbon fibers on the carbon fiber clusters and grounded metal roller shafts to carry out point discharge on the carbon fiber clusters. According to the structural principle formed by an electrostatic field, a carbon fiber wide interface array structure is introduced to form local high voltage at the sharp point of the carbon fiber, two rows of point cloud type high voltage equipotential surfaces are formed by point cloud type distribution, the point discharge of the carbon fiber cluster increases the local discharge voltage, the discharge charge is large, and the absorption of fused cloth is facilitated.

Description

Electrostatic electret device with carbon fiber array structure electret chamber

Technical Field

The utility model relates to an electrostatic electret equipment technical field, in particular to electrostatic electret device with carbon fiber array structure electret room.

Background

The electrostatic electret equipment attaches electric charge to the melt-blown non-woven fabric through high-voltage discharge. The electrostatic electret technology enables the filter material fibers to have charges, and a large number of electrodes are formed among the charged fibers by combining the characteristic that the melt-blown superfine fiber material is compact, so that the charged fibers can attract most charged particles in the environment like a magnet, and can polarize the charged particles, further adsorb pollutants with small particles, and even viruses which are nano-scale substances can be subjected to electrostatic adsorption or charge repulsion blocking. Therefore, the filter material treated by electrostatic electret has the advantages of high efficiency, low resistance, adsorption of ultrafine particles and the like.

In the electrostatic electret equipment in the prior art, the conductive wires carrying charges are all installed by installing a single conductive wire on one base, and the formed electrostatic field is single and is not beneficial to absorption of the molten cloth.

Disclosure of Invention

In order to overcome not enough in the background art, the utility model provides an electrostatic electret device with carbon fiber array structure electret room according to the structural principle that electrostatic field formed, introduces the wide interface array structure of carbon fiber and forms local high pressure at the cusp of carbon fiber, and the distribution of point cloud formula has formed two and has listed as point cloud formula high pressure equipotential surfaces, and the point discharge of carbon fiber cluster increases partial discharge voltage, and discharge charge is many, is favorable to melting the absorption of cloth.

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

an electrostatic electret device with carbon fiber array structure electret chamber, which comprises a frame, a metal roll shaft and an electret chamber; the metal roller comprises a plurality of metal rollers which are arranged on the frame in parallel, and a electret chamber is arranged above or below the metal rollers in parallel.

The electret room comprises an insulating cover plate and a plurality of L-shaped copper strips arranged in the insulating cover plate, a plurality of carbon fiber clusters are uniformly arranged at the lower ends of the L-shaped copper strips, the cross sections of the carbon fiber clusters are of array structures formed by a plurality of carbon fibers, the plurality of carbon fibers on the carbon fiber clusters are connected with a high-voltage direct-current power supply through the L-shaped copper strips, an electrostatic field is formed between the carbon fiber clusters and a grounded metal roller shaft, and point discharge is carried out on the carbon fiber clusters.

Further, the cross section of the carbon fiber cluster is of an annular array structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model discloses an electrostatic electret device with carbon fiber array structure electret room according to the structure principle that electrostatic field formed, introduces the wide interface array structure of carbon fiber and forms local high pressure at the sharp point of carbon fiber, and point cloud formula's distribution has formed two rows of point cloud formula high pressure equipotential surfaces, and the point of carbon fiber cluster discharges and increases the partial discharge voltage, and the electric charge that discharges is many, is favorable to melting the absorption of cloth;

2) the utility model discloses become the electric field structure of multiseriate with the electric field structure that a traditional line formed, the electric field distributes extensively, is favorable to melting the absorption of cloth.

Drawings

Fig. 1 is a perspective structural view 1 of the present invention;

fig. 2 is a perspective structure view 2 of the present invention;

FIG. 3 is a perspective view of the electret chamber of the present invention;

fig. 4 is a cross-sectional view of a carbon fiber cluster of the present invention.

In the figure: 1-frame 2-metal roll shaft 3-electret chamber 4-insulating cover plate 5-L-shaped copper strip 6-carbon fiber cluster 7-carbon fiber 8-high voltage power supply 9-electric junction box 10-wiring pipe of high voltage power supply connecting wire.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 4, an electrostatic electret device having a carbon fiber array structured electret chamber includes a frame 1, a metal roller shaft 2, and an electret chamber 3; the metal roller shaft 2 comprises a plurality of metal roller shafts which are arranged on the frame 1 in parallel, and the electret chambers 3 are arranged above or below the metal roller shafts 2 in parallel. The electret chamber 3 carries positive and negative charges and forms an electrostatic field with the grounded metal roller shaft 2.

The electret chamber 3 comprises an insulating cover plate 4 and a plurality of L-shaped copper strips 5 arranged in the insulating cover plate 4, wherein a plurality of carbon fiber clusters 6 are uniformly arranged at the lower ends of the L-shaped copper strips 5, as shown in fig. 4, the cross sections of the carbon fiber clusters 6 are of an array structure consisting of a plurality of carbon fibers 7, the plurality of carbon fibers 7 on the carbon fiber clusters 6 are connected with a high-voltage direct-current power supply 8 through the L-shaped copper strips 5 (a wiring pipe 10 is arranged between a wiring pipe passing through an electric junction box 9 and a high-voltage power supply connecting line), and an electrostatic field is formed between the carbon fiber clusters and the grounded metal roller shaft 2 to discharge the electrostatic field at the pointed end of the metal roller shaft.

As shown in fig. 4, the cross section of the carbon fiber bundle 6 has a ring-shaped array structure formed by a plurality of carbon fibers 7.

An electrostatic field is formed between the electret chamber 3 and the grounded metal roll shaft 2. The melt-blown fabric to be processed passes through the space between the metal roller shaft 2 and the electret chamber 3 to carry out electrostatic electret on the melt-blown fabric.

The utility model discloses an electrostatic electret device with carbon fiber array structure electret room according to the structure principle that electrostatic field formed, introduces the wide interface array structure of carbon fiber and forms local high pressure at the sharp point of carbon fiber, and point cloud formula's distribution has formed two rows of point cloud formula high pressure equipotential surfaces, and the point of carbon fiber cluster discharges and increases the partial discharge voltage, and the electric charge that discharges is many, is favorable to melting the absorption of cloth; the utility model discloses become the electric field structure of multiseriate with the electric field structure that a traditional line formed, the electric field distributes extensively, is favorable to melting the absorption of cloth.

The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.

Claims

1. An electrostatic electret device with carbon fiber array structure electret chamber, which comprises a frame, a metal roll shaft and an electret chamber; the metal roll shafts are arranged on the frame in parallel, and the electret chambers are arranged above or below the metal roll shafts in parallel;

the electret room is characterized by comprising an insulating cover plate and a plurality of L-shaped copper strips arranged in the insulating cover plate, wherein a plurality of carbon fiber clusters are uniformly fixed at the lower ends of the L-shaped copper strips, the cross sections of the carbon fiber clusters are of an array structure formed by a plurality of carbon fibers, the plurality of carbon fibers on the carbon fiber clusters are connected with a high-voltage direct-current power supply through the L-shaped copper strips, and form an electrostatic field with a grounded metal roller shaft to carry out point discharge on the electrostatic field.

2. An electrostatic electret having carbon fiber array structured electret chamber according to claim 1, wherein the carbon fiber cluster has a cross-section of a ring-shaped array structure.