CN212231902U

CN212231902U - Frequency converter with waterproof structure

Info

Publication number: CN212231902U
Application number: CN202021387609.6U
Authority: CN
Inventors: 龙云英; 苏越平
Original assignee: Shenzhen Haidawei Technology Co ltd
Current assignee: Shenzhen Haidawei Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-25
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a converter with waterproof construction, including the shell main part, the vent has been seted up to shell main part surface both sides, shell main part surface movable mounting has the water proof door, and the water proof door fixed surface of carrying installs the handle, shell main part lower surface both sides fixed mounting has the supporting leg, shell main part lower surface is close to central point fixed mounting and has water drainage tank, shell main part internally mounted has the converter main part, shell main part back fixed surface installs ventilation fan, ventilation fan top is located shell main part fixed surface and installs the circuit connector, shell main part both sides are close to the back position and install the shell of keeping away the rain. A converter with waterproof construction, can dissolve the rainwater that drenches into from the vent, block the rainwater of circuit connector, ventilation fan department infiltration, prevent that the converter from damaging because of rainwater invasion and attack, extension converter life.

Description

Frequency converter with waterproof structure

Technical Field

The utility model relates to a converter field, in particular to converter with waterproof construction.

Background

The frequency converter (VFD) is a power control device which applies the frequency conversion technology and the microelectronic technology and controls an AC motor by changing the working power supply frequency mode of the motor, the frequency converter mainly comprises a rectification (AC to DC), a filter, an inversion (DC to AC), a brake unit, a Drive unit, a detection unit microprocessing unit and the like, the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar translator), provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation, in addition, the frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, along with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied, the energy saving of the frequency converter is mainly expressed on the application of a fan and a water pump, and after the fan and the pump load adopt the frequency conversion, the power saving rate is 20% -60%, this because the actual power consumption of the fan, pump load is basically proportional to the cubic of rotational speed, when the average flow that users need is smaller, the fan, pump use the variable frequency speed regulation to make its rotational speed reduce, the energy-conserving effect is very obvious, and traditional fan, pump use baffle and valve to regulate flow, the motor rotational speed is basically unchanged, the power consumption power change is little, according to statistics, the fan, pump motor power consumption accounts for 31% of national power consumption, account for 50% of the industrial power consumption, use the variable frequency speed control device on this kind of load has very important meaning, at present, apply the more successful variable frequency speed regulation with constant-pressure water supply, various fans, central air conditioner and hydraulic pump; the existing frequency converter has certain defects when in use, namely, the waterproof performance is not outstanding enough, and the use requirement of a user under a rainy water environment cannot be met.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a frequency converter with a waterproof structure, which can effectively solve the problems of the prior art.

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

the utility model provides a converter with waterproof construction, includes the shell main part, the vent has been seted up to shell main part surface both sides, shell main part surface movable mounting has the water proof door, and the water proof door fixed surface of carrying installs the handle, shell main part lower surface both sides fixed mounting has the supporting leg, shell main part lower surface is close to central point and puts fixed mounting and has the water drainage tank, the wash port has been seted up to the water drainage tank lower surface, shell main part internally mounted has the converter main part, shell main part back fixed surface installs ventilation fan, ventilation fan top is located shell main part fixed surface and installs the circuit connector, shell main part both sides are close to the back position and install the shell of taking shelter from the rain.

Preferably, first fixed slots are formed in the two sides of the shell body close to the back position, a first rain-proof plate is fixedly mounted on the upper surface inside the shell body, a second rain-proof plate is fixedly mounted on the upper surface inside the shell body, a supporting platform is mounted between the first rain-proof plate and the second rain-proof plate and close to the lower position, and second fixed slots are formed in the upper surface of the supporting platform.

Preferably, supporting platform surface one end and first flashing board fixed connection, supporting platform surface other end and second flashing board fixed connection.

Preferably, the frequency converter control console is fixedly mounted on the surface of the frequency converter main body, and the second fixing block is fixedly mounted on the lower surface of the frequency converter main body.

Preferably, the frequency converter main body is embedded into the second fixing groove through the second fixing block and is fixedly connected with the supporting platform.

Preferably, the rain sheltering shell is fixedly provided with a first fixing block on the inner surface thereof, and the rain sheltering shell is fixedly connected with the shell main body through a first fixing block embedded into a first fixing groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through first flashing, second flashing and water drainage tank, the rainwater that the converter can make the vent drench flows into water drainage tank along the flashing, discharges through water drainage tank, can effectually block the invasion and attack of both sides rainwater like this, through the shell of taking shelter from rain that sets up, can install the shell of taking shelter from rain at the rear of shell main part through the first fixed slot of first fixed block embedding, ventilation fan and line connection mouth department just can not permeate the rainwater like this, can effectually block the invasion and attack of rear rainwater like this.

Drawings

Fig. 1 is a schematic view of an overall structure of a frequency converter with a waterproof structure according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a frequency converter with a waterproof structure according to the present invention;

fig. 3 is a rear view of a frequency converter with a waterproof structure according to the present invention;

FIG. 4 is a schematic view of the frequency converter with a waterproof structure of the present invention, showing the installation of the frequency converter main body and the bottom of the water leakage groove;

fig. 5 is a side view of a frequency converter with a waterproof structure according to the present invention;

fig. 6 is a schematic view of a rain shelter housing of a frequency converter with a waterproof structure according to the present invention.

In the figure: 1. a housing main body; 101. a first fixing groove; 102. a first flashing; 103. a second rain guard; 104. a support platform; 105. a second fixing groove; 2. a vent; 3. a waterproof door; 301. a handle; 4. supporting legs; 5. a water discharge tank; 501. a drain hole; 6. a frequency converter main body; 601. a frequency converter console; 602. a second fixed block; 7. a ventilation fan; 8. a line connector; 9. a rain-sheltering housing; 901. a first fixing block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a frequency converter with a waterproof structure comprises a housing main body 1, ventilation openings 2 are formed in two sides of the surface of the housing main body 1, a waterproof door 3 is movably mounted on the surface of the housing main body 1, a handle 301 is fixedly mounted on the surface of the conveyed waterproof door 3, supporting legs 4 are fixedly mounted on two sides of the lower surface of the housing main body 1, a drainage groove 5 is fixedly mounted on the lower surface of the housing main body 1 close to the central position, a drainage hole 501 is formed in the lower surface of the drainage groove 5, a frequency converter main body 6 is mounted inside the housing main body 1, a ventilation fan 7 is fixedly mounted on the surface of the back of the housing main body 1 above the ventilation fan 7, a circuit connection port 8 is fixedly mounted on the;

first fixing grooves 101 are formed in the positions, close to the back, of two sides of the shell main body 1, a first rain-proof plate 102 is fixedly mounted on the upper surface inside the shell main body 1, and a second rain-proof plate 103 is fixedly mounted on the upper surface inside the shell main body 1, so that rainwater cannot penetrate into the ventilating fan 7 and the line connecting port 8, and the frequency converter main body 6 cannot be damaged due to invasion of the rainwater behind; a supporting platform 104 is installed between the first rain guard 102 and the second rain guard 103 near the lower position, and a second fixing groove 105 is formed on the upper surface of the supporting platform 104. One end of the surface of the supporting platform 104 is fixedly connected with the first rain guard 102, and the other end of the surface of the supporting platform 104 is fixedly connected with the second rain guard 103. The surface of the frequency converter main body 6 is fixedly provided with a frequency converter control console 601, and the lower surface of the frequency converter main body 6 is fixedly provided with a second fixed block 602. The frequency converter main body 6 is fixedly connected with the supporting platform 104 by the second fixing block 602 embedded in the second fixing groove 105. The first fixing block 901 is fixedly mounted on the inner surface of the rain sheltering shell 9, the rain sheltering shell 9 is embedded into the first fixing groove 101 through the first fixing block 901 and is fixedly connected with the shell main body 1, so that rainwater leaked from the ventilation opening 2 cannot wet the frequency converter main body 6, and the frequency converter main body 6 cannot be damaged by water invasion and attack of two sides.

It should be noted that, the utility model relates to a frequency converter with waterproof structure, when using, should open the waterproof door 3 first and imbed the frequency converter main part 6 in the second fixed slot 105 through the second fixed block 602 and fixedly install on the upper surface of supporting platform 104, again from circuit connector 8 interconnecting link, then communicate the power, control the frequency converter to start through the frequency converter control cabinet 601, the frequency converter starts working, the ventilation fan 7 also starts to ventilate, when meeting the rainy day, in order to protect the circuit behind the housing main part 1, we can imbed the rain-proof housing 9 in the first fixed slot 101 through the first fixed block 901 and install at the rear of the housing main part 1, thus the ventilation fan 7 and the circuit connector 8 can not infiltrate the rainwater, the frequency converter main part 6 can not be damaged because of the invasion of the rainwater behind, the rainwater that the vent 2 of the housing main part 1 both sides got into, can be blocked by the first rain-proof plate 102 and the second rain-proof plate 103, flows into the drainage groove 5 along the rain-proof plates, and is drained out of the shell main body 1 through the drainage hole 501 at the bottom of the drainage groove 5, so that the frequency converter main body 6 cannot be wetted by rainwater leaked from the ventilation opening 2, and the frequency converter main body 6 cannot be damaged by water invasion at two sides.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a converter with waterproof construction which characterized in that: comprises a shell main body (1), wherein ventilation openings (2) are arranged on two sides of the surface of the shell main body (1), the surface of the shell main body (1) is movably provided with a waterproof door (3), the surface of the conveyed waterproof door (3) is fixedly provided with a handle (301), supporting legs (4) are fixedly arranged on two sides of the lower surface of the shell main body (1), a drainage groove (5) is fixedly arranged on the lower surface of the shell main body (1) close to the central position, a drain hole (501) is arranged on the lower surface of the drain tank (5), a frequency converter main body (6) is arranged in the shell main body (1), a ventilation fan (7) is fixedly arranged on the surface of the back surface of the shell main body (1), a circuit connecting port (8) is fixedly arranged on the surface of the shell main body (1) above the ventilating fan (7), the rain sheltering shell (9) is arranged at the position, close to the back, of the two sides of the shell main body (1).

2. The frequency converter with a waterproof structure according to claim 1, characterized in that: first fixed slot (101) have been seted up near back position to shell main part (1) both sides, fixed surface installs first flashing (102) on the inside of shell main part (1), fixed surface installs second flashing (103) on the inside of shell main part (1), be close to down the position in the middle of first flashing (102) and second flashing (103) and install supporting platform (104), second fixed slot (105) have been seted up to supporting platform (104) upper surface.

3. The frequency converter with a waterproof structure according to claim 2, characterized in that: one end of the surface of the supporting platform (104) is fixedly connected with the first rain-proof plate (102), and the other end of the surface of the supporting platform (104) is fixedly connected with the second rain-proof plate (103).

4. The frequency converter with a waterproof structure according to claim 3, wherein: the frequency converter is characterized in that a frequency converter control console (601) is fixedly mounted on the surface of the frequency converter main body (6), and a second fixing block (602) is fixedly mounted on the lower surface of the frequency converter main body (6).

5. The frequency converter with a waterproof structure according to claim 4, wherein: the frequency converter main body (6) is embedded into the second fixing groove (105) through the second fixing block (602) and is fixedly connected with the supporting platform (104).

6. The frequency converter with a waterproof structure according to claim 2, characterized in that: the rain sheltering shell (9) is fixedly provided with a first fixing block (901) on the inner surface, and the rain sheltering shell (9) is fixedly connected with the shell main body (1) through the first fixing block (901) embedded into the first fixing groove (101).