CN219041158U

CN219041158U - Higher harmonic treatment device

Info

Publication number: CN219041158U
Application number: CN202223164075.2U
Authority: CN
Inventors: 李国清; 高保庆; 唐书超; 刘伟
Original assignee: Xiangyang Linang Power Electronics Co ltd
Current assignee: Xiangyang Linang Power Electronics Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-16
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a higher harmonic treatment device, which comprises a cabinet body, wherein a cabinet door is hinged to the front side of the cabinet body; the left side and the right side of the interior of the cabinet body are respectively provided with a motor frequency converter by bolts; the upper bolt of the cabinet body presses the transformer, and is characterized in that the left side and the right side of the upper part of the cabinet body are respectively provided with an auxiliary heat dissipation frame structure; the four corners of the lower part of the cabinet body can be provided with an adjustable bracket structure. The L-shaped adjusting frame can rotate on the L-shaped fixing seat by an angle, and the installation range of the bottom of the device can be increased when the L-shaped adjusting frame is transversely placed.

Description

Higher harmonic treatment device

Technical Field

The utility model belongs to the technical field of higher harmonic wave treatment, and particularly relates to a higher harmonic wave treatment device.

Background

The vibration function y (T) for any composite period is expressed as a fourier series decomposition: the first term is referred to as the mean or direct current component, the second term is the fundamental or fundamental vibration, the third term is referred to as the second harmonic, and so on or the second harmonic is hereinafter referred to as the higher harmonic. The utility model provides a shield constructs quick-witted low pressure power supply unit for administering higher harmonic, it includes pulse transformer, the low voltage feeder cabinet that links to each other with cutterhead motor converter electricity, transformer 4 includes: a first-stage triangle coil, said first-stage triangle coil

The power supply device is provided with an input end, a first output end and a second output end which are connected with a wire inlet power supply; a second-stage delta coil having an input electrically connected to the first output of the first-stage delta coil, an output connected to one or more low-voltage feeder cabinets; a second stage star coil having an input electrically connected to the second output of the first stage delta coil, and an output connected to one or more low voltage feeder cabinets. The existing transformer has poor heat dissipation effect.

Disclosure of Invention

Aiming at the technical problems, the utility model provides a higher harmonic treatment device which has a simple structure and can effectively play a role in heat dissipation.

The technical proposal is as follows: the higher harmonic treatment device comprises a cabinet body, wherein a cabinet door is hinged to the front side of the cabinet body; the left side and the right side of the interior of the cabinet body are respectively provided with a motor frequency converter by bolts; the upper bolt of the cabinet body presses the transformer, and is characterized in that the left side and the right side of the upper part of the cabinet body are respectively provided with an auxiliary heat dissipation frame structure; the four corners of the lower part of the cabinet body can be provided with an adjustable bracket structure.

Preferably, the adjustable bracket structure comprises an L-shaped fixed seat, and a fixed jack is formed in one side, far away from the longitudinal section, of the transverse section of the L-shaped fixed seat; the lower part of the L-shaped fixing seat is connected with an L-shaped adjusting frame in a shaft way; the L-shaped adjusting frames are respectively provided with adjusting jacks.

Preferably, the auxiliary heat dissipation frame structure comprises an air guide frame, and a dustproof protective net is arranged at the bottom of the air guide frame through screws; the fan frame is installed to the inboard upper portion screw of wind-guiding frame, and the upper and lower both sides screw of the inner wall of fan frame is installed and is installed the protection net, and installs the inboard screw of protection net and install the heat dissipation fan.

Preferably, the air guide frames are respectively mounted at four corners of the upper part of the cabinet body through bolts.

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

the L-shaped adjusting frame can rotate on the L-shaped fixing seat by an angle, and the installation range of the bottom of the device can be increased when the L-shaped adjusting frame is transversely placed.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the auxiliary heat dissipation frame structure of the present utility model.

Fig. 3 is a schematic structural view of an adjustable bracket structure of the present utility model.

In the figure:

1. a cabinet body; 2. a cabinet door; 3. a motor frequency converter; 4. a transformer; 5. an auxiliary heat dissipation frame structure; 51. an air guiding frame; 52. a dust-proof protective net; 53. a fan frame; 54. installing a protective net; 55. a heat radiation fan; 6. an adjustable support structure; 61. an L-shaped fixing seat; 62. a fixed jack; 63. an L-shaped adjusting frame; 64. and adjusting the jack.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples:

as shown in fig. 1 and fig. 3, the utility model provides a higher harmonic treatment device, which comprises a cabinet body 1, wherein a cabinet door 2 is hinged to the front side of the cabinet body 1; the left side and the right side of the interior of the cabinet body 1 are respectively provided with a motor frequency converter 3 by bolts; the transformer 4 is pressed by the upper bolt of the cabinet body 1, and is characterized in that the left side and the right side of the upper part of the cabinet body 1 are respectively provided with an auxiliary heat dissipation frame structure 5; the four corners of the lower part of the cabinet body 1 are provided with adjustable bracket structures 6; the adjustable bracket structure 6 comprises an L-shaped fixing seat 61, a fixing jack 62 is formed in one side, far away from the longitudinal section, of the transverse section of the L-shaped fixing seat 61, and the cabinet body 1 is conveniently installed at a specified position through the fixing jack 62 by utilizing the fixing jack 62 through bolts; the lower part of the L-shaped fixing seat 61 is connected with an L-shaped adjusting frame 63 in a shaft way, the L-shaped adjusting frame 63 can rotate on the L-shaped fixing seat 61 by an angle, and the installation range of the bottom of the device can be increased when the L-shaped adjusting frame 63 is transversely placed; the L-shaped adjusting frames 63 are respectively provided with adjusting jacks 64.

As shown in fig. 2, in the above embodiment, specifically, the auxiliary heat dissipation frame structure 5 includes an air guiding frame 51, and a dust protection net 52 is mounted on the bottom of the air guiding frame 51 by screws, where the dust protection net 52 can protect and filter the retraction, so as to avoid dust from being easily sucked; the fan frame 53 is installed to the inboard upper portion screw of air-guiding frame 51, and the upper and lower both sides screw of inner wall of fan frame 53 installs the installation protection network 54, and installs the inboard screw of protection network 54 and install radiator fan 55, and radiator fan 55 conveniently plays the heat dissipation function of blowing to transformer 4.

In the above embodiment, specifically, the air guiding frames 51 are respectively mounted at four corners of the upper portion of the cabinet 1 by bolts.

In the above embodiment, specifically, the transformer 4 includes a first-stage triangle coil, a second-stage triangle coil, and a second-stage star coil, where the first-stage triangle coil has an input end connected to an incoming line power supply, a first output end, and a second output end; the second-stage triangular coil is provided with an input end connected with the first output end of the first-stage triangular coil and an output end connected with one or more low-voltage feeder cabinets; a second-stage star-shaped coil having an input connected to the second output of the first-stage delta-shaped coil and an output connected to one or more low-voltage feeder cabinets; the phase difference between the second-stage triangle coil and the second-stage star coil is 30 degrees, so that the harmonic waves generated by the second-stage triangle coil and the second-stage star coil are mutually offset, and the harm is reduced.

Principle of operation

In the working process of the utility model, according to the installation position requirement, the device can be fixed at a designated position by penetrating the fixing jack 62 through bolts, or the L-shaped adjusting frame 63 is pivoted at the lower part of the L-shaped fixing seat 61 and then the L-shaped adjusting frame 63 is rotated outwards to enable the L-shaped adjusting frame 63 to be in a horizontal state, then the device can be installed at a wider position by penetrating the adjusting jack 64 through bolts, and the heat dissipation fan 55 can be used for blowing and dissipating heat to the transformer 4 in normal use.

By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.

Claims

1. The device for harnessing the higher harmonic wave comprises a cabinet body (1), wherein a cabinet door (2) is hinged to the front side of the cabinet body (1); the left side and the right side of the interior of the cabinet body (1) are respectively provided with a motor frequency converter (3) by bolts; the transformer (4) is pressed by the upper bolt of the cabinet body (1), and is characterized in that the left side and the right side of the upper part of the cabinet body (1) are respectively provided with an auxiliary heat dissipation frame structure (5); the four corners of the lower part of the cabinet body (1) are provided with adjustable bracket structures (6).

2. The higher harmonic treatment device according to claim 1, wherein the adjustable bracket structure (6) comprises an L-shaped fixing seat (61), and a fixing jack (62) is formed on one side of the transverse section of the L-shaped fixing seat (61) far from the longitudinal section; the lower part of the L-shaped fixing seat (61) is connected with an L-shaped adjusting frame (63) in a shaft way; the L-shaped adjusting frames (63) are respectively provided with adjusting jacks (64).

3. The higher harmonic treatment device according to claim 1, wherein the auxiliary heat dissipation frame structure (5) comprises an air guide frame (51), and a dustproof protective net (52) is arranged at the bottom of the air guide frame (51) through screws; a fan frame (53) is mounted on the upper portion screw of the inner side of the air guide frame (51), mounting protection nets (54) are mounted on the upper side screw and the lower side screw of the inner wall of the fan frame (53), and a heat dissipation fan (55) is mounted on the inner side screw of each mounting protection net (54).

4. A higher harmonic treatment device according to claim 3, wherein the air guiding frames (51) are respectively arranged at four corners of the upper part of the cabinet body (1) by bolts.