阅读说明：本技术 一种风力发电变频器用防护结构 (Protective structure for wind power generation frequency converter ) 是由 王平 于 2021-09-03 设计创作，主要内容包括：本发明公开了风力发电技术领域的一种风力发电变频器用防护结构,包括防护盒和变频器主体,所述防护盒顶部和底部均固定连接有安装套,所述防护盒顶部设置有进线座,所述防护盒底部设置有出线座,所述进线座和所述出线座均内嵌于所述安装套内,所述防护盒顶部设置有天线,所述天线与所述防护盒固定连接,所述防护盒一侧通过合页固定连接有盒盖,所述防护盒另一侧固定连接有抽风机,所述抽风机输出端固定连接有波纹管。本发明,防尘效果较好,且能够根据温度监测情况对防护盒内进行散热,提高变频器主体的使用寿命,经济性较好,此外,若输入电压异常,控制盒能够切断变频器主体输入端,保护效果较好,实用性较强。(The invention discloses a protective structure for a wind power generation frequency converter, which belongs to the technical field of wind power generation and comprises a protective box and a frequency converter main body, wherein the top and the bottom of the protective box are both fixedly connected with mounting sleeves, the top of the protective box is provided with a wire inlet seat, the bottom of the protective box is provided with a wire outlet seat, the wire inlet seat and the wire outlet seat are both embedded in the mounting sleeves, the top of the protective box is provided with an antenna, the antenna is fixedly connected with the protective box, one side of the protective box is fixedly connected with a box cover through a hinge, the other side of the protective box is fixedly connected with an exhaust fan, and the output end of the exhaust fan is fixedly connected with a corrugated pipe. The frequency converter main body protection device has the advantages that the dust prevention effect is good, heat dissipation can be carried out in the protection box according to the temperature monitoring condition, the service life of the frequency converter main body is prolonged, the economy is good, in addition, if the input voltage is abnormal, the control box can cut off the input end of the frequency converter main body, the protection effect is good, and the practicability is strong.)

1. A protection structure for a wind power generation frequency converter comprises a protection box (1) and a frequency converter main body (6), and is characterized in that the top and the bottom of the protection box (1) are fixedly connected with a mounting sleeve (2), the top of the protection box (1) is provided with a wire inlet seat (3), the bottom of the protection box (1) is provided with a wire outlet seat (21), the wire inlet seat (3) and the wire outlet seat (21) are embedded in the mounting sleeve (2), the top of the protection box (1) is provided with an antenna (4), the antenna (4) is fixedly connected with the protection box (1), one side of the protection box (1) is fixedly connected with a box cover (5) through a hinge, the other side of the protection box (1) is fixedly connected with an exhaust fan (7), the output end of the exhaust fan (7) is fixedly connected with a corrugated pipe (8), the other end of the corrugated pipe (8) is fixedly connected with a mounting seat (9), the frequency converter main body (6) is fixedly connected in the protection box (1).

2. The protection structure for the wind power generation frequency converter according to claim 1, characterized in that a monitoring box (16) is fixedly connected to the inner side of the protection box (1), an infrared temperature sensor (17) is embedded in the middle of the monitoring box (16), air temperature sensors (18) are arranged on two sides of the infrared temperature sensor (17), and the air temperature sensors (18) are fixed on the monitoring box (16).

3. The protection structure for the wind power generation frequency converter according to claim 1, wherein an input voltage monitor (12) is arranged above the frequency converter main body (6), an output voltage monitor (20) is arranged below the frequency converter main body (6), the input voltage monitor (12) and the output voltage monitor (20) are both fixedly connected with the protection box (1) through a mounting frame (13), and a mounting hole (10) is formed in the protection box (1).

4. The protection structure for the wind power generation frequency converter according to claim 2, wherein a heat dissipation fan (14) is arranged above the monitoring box (16), the heat dissipation fan (14) is fixedly connected with the inner side of the protection box (1), a protective net (15) is arranged on one side of the heat dissipation fan (14), and the protective net (15) is embedded in the protection box (1).

5. The protection structure for the wind power generation frequency converter according to claim 1, characterized in that a ground wire frame (11) is fixedly connected to the top of the inner side of the protection box (1), three fixing screws (24) are fixedly connected to the ground wire frame (11), and a control box (19) is fixedly connected to the bottom of the inner side of the protection box (1).

6. The protection structure for the wind power generation frequency converter according to claim 1, wherein a filter screen (23) is arranged on one side of the exhaust fan (7), the filter screen (23) is embedded on the protection box (1), an air filter (22) is arranged on the other side of the filter screen (23), and the air filter (22) is fixedly connected with the inner wall of the protection box (1).

Technical Field

The invention belongs to the technical field of wind power generation, and particularly relates to a protective structure for a wind power generation frequency converter.

Background

With the continuous development of wind power generation technology, wind power generation has become one of the main sources of green energy in China. The development prospect of the new energy power generation industry such as Chinese wind power is very wide, the high-speed development is expected to be kept for a long time in the future, and meanwhile, the profitability is stably improved along with the gradual maturity of the technology. With the development of wind power generation, although wind power generation equipment is also gradually upgraded, a plurality of problems still exist. Especially, the wind power generation frequency converter is slightly harsh in use environment, the actual service life of the wind power generation frequency converter is far shorter than the design service life of the wind power generation frequency converter, the maintenance difficulty is increased, and the resource waste is also caused.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide a protective structure for a wind power generation frequency converter, in order to solve the technical problem, the basic concept of the technical scheme adopted by the invention is as follows:

a protective structure for a wind power generation frequency converter comprises a protective box and a frequency converter main body, wherein the top and the bottom of the protective box are fixedly connected with mounting sleeves, the top of the protective box is provided with a wire inlet seat, the bottom of the protective box is provided with a wire outlet seat, the wire inlet seat and the wire outlet seat are embedded in the mounting sleeves, the top of the protective box is provided with an antenna, the antenna is fixedly connected with the protective box, one side of the protective box is fixedly connected with a box cover through a hinge, the other side of the protective box is fixedly connected with an exhaust fan, the output end of the exhaust fan is fixedly connected with a corrugated pipe, the other end of the corrugated pipe is fixedly connected with a mounting seat, the frequency converter main body is fixedly connected in the protective box, the wire inlet seat and the wire outlet seat are convenient for cable mounting, the antenna is convenient for wireless signal transmission, and the exhaust fan is convenient for heat dissipation, the corrugated pipe plays a role in air guiding.

As a further scheme of the invention: the inboard fixedly connected with monitoring box of protection box, monitoring box middle part is embedded to have infrared temperature sensor, infrared temperature sensor both sides are provided with air temperature sensor, air temperature sensor fixes on the monitoring box, the monitoring box plays the effect of stabilizing the support, infrared temperature sensor is convenient for right the converter main part carries out temperature monitoring, air temperature sensor is convenient for right temperature in the protection box is monitored.

As a still further scheme of the invention: the utility model discloses a protection box, including converter main part, protection box, input voltage monitor, output voltage monitor, protection box fixed connection, mounting hole has been seted up in the protection box, the input voltage monitor all through the mounting bracket with the output voltage monitor all with protection box fixed connection, the mounting hole has been seted up in the protection box, the input voltage monitor is convenient for monitor input voltage, the output voltage monitor is convenient for monitor output voltage.

As a still further scheme of the invention: the monitoring box is characterized in that a cooling fan is arranged above the monitoring box and fixedly connected with the inner side of the protection box, a protection net is arranged on one side of the cooling fan, the protection net is embedded in the protection box, the cooling fan plays a role in heat dissipation, and the protection net plays a role in protection.

As a still further scheme of the invention: the ground wire frame is fixedly connected to the top of the inner side of the protection box, three fixing screws are fixedly connected to the ground wire frame, the control box is fixedly connected to the bottom of the inner side of the protection box, and the ground wire frame is convenient for installation of a ground wire.

As a still further scheme of the invention: air exhauster one side is provided with the filter screen, the filter screen embedded in on the protection box, the filter screen opposite side is provided with air cleaner, air cleaner with protection box inner wall fixed connection, air cleaner is convenient for filter the air.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

When the frequency converter main body is used, the protection box can play a dustproof role, and the exhaust fan and the cooling fan can dissipate heat in the protection box according to monitoring data of the infrared temperature measuring sensor and the air temperature sensor, so that the frequency converter main body can be ensured to be in a good use environment, the service life of the frequency converter main body is prolonged, and the frequency converter main body is good in economy.

When the frequency converter is used, the input voltage monitor and the output voltage monitor can monitor input and output voltages, and if the voltages are abnormal, the control box can disconnect the input end of the frequency converter main body, so that the frequency converter main body is prevented from being damaged, the protection effect is good, and the practicability is high.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural diagram of the ground wire stand of the present invention.

In the figure: 1-a protective box; 2, mounting a sleeve; 3-a wire inlet seat; 4-an antenna; 5-box cover; 6-frequency converter main body; 7-an exhaust fan; 8-a bellows; 9-a mounting seat; 10-mounting holes; 11-a ground wire frame; 12-input voltage monitor; 13-a mounting frame; 14-a heat dissipation fan; 15-protective screening; 16-a monitoring cartridge; 17-infrared temperature measuring sensor; 18-air temperature sensor; 19-a control box; 20-output voltage monitor; 21-a wire outlet seat; 22-an air filter; 23-a filter screen; 24-set screw.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in figures 1 to 3, a protective structure for a wind power generation frequency converter comprises a protective box 1 and a frequency converter main body 6, wherein the top and the bottom of the protective box 1 are fixedly connected with a mounting sleeve 2, the top of the protective box 1 is provided with a wire inlet seat 3, the bottom of the protective box 1 is provided with a wire outlet seat 21, the wire inlet seat 3 and the wire outlet seat 21 are embedded in the mounting sleeve 2, the top of the protective box 1 is provided with an antenna 4, the antenna 4 is fixedly connected with the protective box 1, one side of the protective box 1 is fixedly connected with a box cover 5 through a hinge, the other side of the protective box 1 is fixedly connected with an exhaust fan 7, the output end of the exhaust fan 7 is fixedly connected with a corrugated pipe 8, the other end of the corrugated pipe 8 is fixedly connected with a mounting seat 9, the frequency converter main body 6 is fixedly connected in the protective box 1, the wire inlet seat 3 and the wire outlet seat 21 are convenient for cable installation, the antenna 4 is convenient for wireless signal transmission, and the exhaust fan 7 is convenient for heat dissipation, the bellows 8 plays a role of air guide.

The monitoring box 16 is fixedly connected to the inner side of the protection box 1, the infrared temperature measuring sensor 17 is embedded in the middle of the monitoring box 16, the air temperature sensors 18 are arranged on two sides of the infrared temperature measuring sensor 17, the air temperature sensors 18 are fixed on the monitoring box 16, the monitoring box 16 plays a role of stable support, the infrared temperature measuring sensor 17 is convenient for monitoring the temperature of the frequency converter main body 6, the air temperature sensors 18 are convenient for monitoring the temperature in the protection box 1, the model of the infrared temperature measuring sensor 17 is FST600-400A, and the model of the air temperature sensor 18 is MF 53-NTC; an input voltage monitor 12 is arranged above the frequency converter main body 6, an output voltage monitor 20 is arranged below the frequency converter main body 6, the input voltage monitor 12 and the output voltage monitor 20 are fixedly connected with the protection box 1 through a mounting frame 13, a mounting hole 10 is formed in the protection box 1, the input voltage monitor 12 is convenient for monitoring input voltage, the output voltage monitor 20 is convenient for monitoring output voltage, and the input voltage monitor 12 and the output voltage monitor 20 are XJDT-3 in model; a cooling fan 14 is arranged above the monitoring box 16, the cooling fan 14 is fixedly connected with the inner side of the protection box 1, a protective net 15 is arranged on one side of the cooling fan 14, the protective net 15 is embedded in the protection box 1, the cooling fan 14 plays a role in cooling, and the protective net 15 plays a role in protection; the top of the inner side of the protection box 1 is fixedly connected with a ground wire frame 11, the ground wire frame 11 is fixedly connected with three fixing screws 24, the bottom of the inner side of the protection box 1 is fixedly connected with a control box 19, and the ground wire frame 11 is convenient for installing ground wires; exhaust fan 7 one side is provided with filter screen 23, and filter screen 23 is embedded on protection box 1, and filter screen 23 opposite side is provided with air cleaner 22, and air cleaner 22 and protection box 1 inner wall fixed connection, air cleaner 22 are convenient for filter the air.

The working principle of the invention is as follows: before use, the protection box 1 is arranged at a proper position through the mounting hole 10, the cable is connected through the wire inlet seat 3 and the wire outlet seat 21, the mounting seat 9 and the outer wall of the fan are fixed, and the use can be started, when the protection box is used, the infrared temperature measuring sensor 17 monitors the temperature of the frequency converter main body 6, the air temperature sensor 18 monitors the temperature in the protection box 1, if the temperature exceeds a set value, the heat radiation fan 14 and the exhaust fan 7 start to work to radiate the heat in the protection box 1, through the design, the frequency converter main body 6 can be protected from dust and temperature, thereby ensuring that the frequency converter main body 6 can be in a good use environment, prolonging the service life of the frequency converter main body 6, in addition, in the use process, the input voltage monitor 12 and the output voltage monitor 20 can monitor the input and output voltage, if the input voltage is abnormal, the control box 19 can disconnect the input end of the frequency converter main body 6, avoid converter main part 6 to cause the damage, the protecting effect is better, if output voltage is unusual, control box 19 can break off converter main part 6 output, avoids causing the damage to other devices, and the protecting effect is better, installs structural design rationally, and installation convenient to use, and intelligent degree is higher, has higher practicality and economic nature.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.