CN214626809U

CN214626809U - Frequency converter protection device

Info

Publication number: CN214626809U
Application number: CN202120674022.1U
Authority: CN
Inventors: 宋佳俊
Original assignee: Tianjin Jiazhan Technology Co ltd
Current assignee: Tianjin Jiazhan Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-05
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a converter protection device, including main part case, first fly leaf and heat dissipation case, the thermovent has been seted up to the side end face of main part case, and thermovent department installs tripe heat dissipation window, the side end face of main part case is located the top and the below of thermovent and sets up the regulation notch of symmetric distribution, the main part incasement is installed and is adjusted the post, two first fly leaf activity is cup jointed on adjusting the post, and the threaded rod that extends the regulation notch is installed to the side of first fly leaf, and the terminal department screw thread of threaded rod installs fastening nut, the upper end of first fly leaf is provided with damping spring, damping spring's upper end is installed the second fly leaf, fixedly connected with fixed plate between two second fly leaves, the rear end face central point department of putting at the main part case is installed to the heat dissipation case. The utility model discloses have damping and radiating function, have the guard action to the converter, and be fit for the advantage that the not converter of equidimension used.

Description

Frequency converter protection device

Technical Field

The utility model relates to a converter protective apparatus technical field specifically is a converter protection device.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, 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. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

At present, the frequency converter does not have a protection device in use, not only can vibrate but also can continuously heat up in continuous work, and internal elements are easily damaged under continuous vibration and heating up, so that the service life of the frequency converter is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter protection device possesses damping and radiating function, has the guard action to the converter, and is fit for the advantage that the converter of equidimension not used, has solved the problem that above-mentioned technical background proposed.

In order to achieve the above object, the utility model provides a following technical scheme: a frequency converter protection device comprises a main body box, a first movable plate and a heat dissipation box, wherein a heat dissipation port is formed in the side end face of the main body box, a louver heat dissipation window is installed at the heat dissipation port, the side end surface of the main box is positioned above and below the heat dissipation port and is provided with symmetrically distributed adjusting notches, adjusting columns are arranged in the main box, the number of the adjusting columns is two, the two adjusting columns are symmetrically distributed around the main body box, the two first movable plates are movably sleeved on the adjusting columns, threaded rods extending out of the adjusting notches are mounted at the side ends of the first movable plates, and the tail end of the threaded rod is provided with a fastening nut in a threaded manner, the upper end of the first movable plate is provided with a damping spring which is positioned on the outer side of the adjusting column, the damping spring is characterized in that second movable plates are installed at the upper end of the damping spring, a fixed plate is fixedly connected between the two second movable plates, and the heat dissipation box is installed at the center of the rear end face of the main box.

Preferably, the lower terminal surface of main part case installs the base, and the base is equipped with four altogether, and four bases are the rectangular array distribution about the main part case.

Preferably, the first movable plate and the second movable plate are both provided with adjusting holes, and the aperture of each adjusting hole is larger than the diameter of each adjusting column.

Preferably, the number of the second movable plates is two, and the two second movable plates are symmetrically distributed around the main body box.

Preferably, the front end face of the main box is provided with an opening, the opening is rotatably provided with a box door, the box door is rotatably provided with a buckling plate, and the buckling plate is provided with a clamping groove.

Preferably, a clamping block is installed on one side of the front end face of the main body box, and the clamping plate is clamped and fixed on the clamping block.

Preferably, the heat dissipation box is internally provided with a driving device, a main shaft of the driving device is provided with fan blades, the rear end face of the heat dissipation box is provided with an air inlet, and the side end of the heat dissipation box is provided with an air inlet pipe communicated with the interior of the main box.

Compared with the prior art, the beneficial effects of the utility model are as follows: in use sets up the converter between two fixed plates, distance between two fixed plates can be adjusted through adjusting the notch, not hard up fastening nut reciprocates the threaded rod during regulation, can carry out height-adjusting to the fixed plate, can be fit for not the converter use of equidimension, the converter is located the fixed plate, can carry out the damping through damping spring in work, be favorable to improving the life of converter, through setting up the heat dissipation case, in converter work, drive arrangement work through the heat dissipation incasement can make the flabellum rotate, the flabellum can last to blow to the converter of main part incasement under rotating, can effectually dispel the heat to the converter, be favorable to improving the life of converter.

Drawings

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

fig. 2 is a schematic top view of the fixing plate of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic side view of the present invention.

The reference numerals and names in the figures are as follows:

1. a main body case; 2. a first movable plate; 3. fastening a nut; 4. a damping spring; 5. a second movable plate; 6. an adjustment column; 7. a base; 8. a louver heat dissipation window; 9. a fixing plate; 10. a threaded rod; 11. an adjustment hole; 12. a box door; 13. a buckle plate; 14. an air inlet pipe; 15. a heat dissipation box; 16. an air inlet; 17. a drive device; 18. a fan blade; 19. the notch is adjusted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides an embodiment: a frequency converter protection device comprises a main body box 1, a first movable plate 2 and a heat dissipation box 15, wherein a heat dissipation port is formed in the side end face of the main body box 1, a louver heat dissipation window 8 is installed at the position of the heat dissipation port, adjusting notches 19 which are symmetrically distributed are formed in the position, above and below the heat dissipation port, of the side end face of the main body box 1, adjusting columns 6 are installed in the main body box 1, the number of the adjusting columns 6 is two, the two adjusting columns 6 are symmetrically distributed relative to the main body box 1, the two first movable plates 2 are movably sleeved on the adjusting columns 6, threaded rods 10 extending out of the adjusting notches 19 are installed at the side ends of the first movable plates 2, fastening nuts 3 are installed at the tail ends of the threaded rods 10 in a threaded mode, a damping spring 4 is arranged at the upper end of the first movable plate 2, the damping spring 4 is located on the outer side of the adjusting columns 6, and a second movable plate 5 is installed at the upper end of the damping spring 4, the fixing plate 9 is fixedly connected between the two second movable plates 5, the frequency converter is arranged between the two fixing plates 9 in use, the distance between the two fixing plates 9 can be adjusted through the adjusting notch 19, the threaded rod 10 is moved up and down by loosening the fastening nut 3 during adjustment, the height of the fixing plate 9 can be adjusted, the frequency converter can be suitable for frequency converters with different sizes, the frequency converter is arranged on the fixing plate 9, vibration can be reduced through the vibration reduction spring 4 during operation, the service life of the frequency converter is prolonged, the heat dissipation box 15 is arranged at the central position of the rear end face of the main body box 1, the heat dissipation box 15 is arranged, the fan blades 18 can be rotated through the work of the driving equipment 17 in the heat dissipation box 15 during the operation of the frequency converter, the fan blades 18 can continuously blow air to the frequency converter in the main body box 1 under rotation, and the heat dissipation of the frequency converter can be effectively carried out, the service life of the frequency converter is prolonged.

Specifically, base 7 is installed to the lower terminal surface of main part case 1, and base 7 is equipped with four altogether, and four base 7 are the rectangular array distribution about main part case 1.

Specifically, the first movable plate 2 and the second movable plate 5 are both provided with adjusting holes 11, and the aperture of each adjusting hole 11 is larger than the diameter of the adjusting column 6.

Specifically, the number of the second movable plates 5 is two, and the two second movable plates 5 are symmetrically distributed about the main body box 1.

Specifically, the front end face of the main body box 1 is provided with an opening, the opening is rotatably provided with a box door 12, the box door 12 is rotatably provided with a buckling plate 13, and the buckling plate 13 is provided with a clamping groove.

Specifically, a clamping block is installed on one side of the front end face of the main body box 1, and the clamping plate 13 is clamped and fixed on the clamping block.

Specifically, install drive arrangement 17 in the heat dissipation case 15, install flabellum 18 on drive arrangement 17's the main shaft, air intake 16 has been seted up to the rear end face of heat dissipation case 15, and the side of heat dissipation case 15 is provided with the air-supply line 14 with main part case 1 interior intercommunication, the utility model provides a drive arrangement 17 is known for technical personnel in the field, all belongs to conventional means or common general knowledge, just no longer gives unnecessary details here, and technical personnel in the field can carry out arbitrary apolegamy according to its needs or facility.

The working principle is as follows: the utility model discloses in operation, open chamber door 12 and set up the converter between two fixed plates 9, distance between two fixed plates 9 can be adjusted through adjusting notch 19, not hard up fastening nut 3 reciprocates threaded rod 10 during regulation, can carry out height-adjusting to fixed plate 9, can be fit for not the converter use of equidimension, the converter is located fixed plate 9, can carry out the damping through damping spring 4 in work, be favorable to improving the life of converter, simultaneously in converter work, 17 work through the drive arrangement in the heat dissipation case 15 can make flabellum 18 rotate, flabellum 18 rotates and to last the converter of main part incasement 1 down and blow, can effectually dispel the heat to the converter, be favorable to improving the life of converter.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a converter protection device, includes main part case (1), first fly leaf (2) and heat dissipation case (15), its characterized in that: the side end face of the main body box (1) is provided with a heat dissipation port, a louver heat dissipation window (8) is installed at the position of the heat dissipation port, the side end face of the main body box (1) is located above and below the heat dissipation port and is provided with two symmetrically distributed adjusting notches (19), adjusting columns (6) are installed in the main body box (1), the two adjusting columns (6) are symmetrically distributed relative to the main body box (1), the two first movable plates (2) are movably sleeved on the adjusting columns (6), threaded rods (10) extending out of the adjusting notches (19) are installed at the side ends of the first movable plates (2), fastening nuts (3) are installed at the tail ends of the threaded rods (10), damping springs (4) are arranged at the upper ends of the first movable plates (2), the damping springs (4) are located on the outer sides of the adjusting columns (6), and second movable plates (5) are installed at the upper ends of the damping springs (4), a fixed plate (9) is fixedly connected between the two second movable plates (5), and the heat dissipation box (15) is installed at the center of the rear end face of the main body box (1).

2. A frequency converter protection device according to claim 1, characterized in that: base (7) are installed to the lower terminal surface of main part case (1), and base (7) are equipped with four altogether, and four base (7) are the rectangular array distribution about main part case (1).

3. A frequency converter protection device according to claim 1, characterized in that: the first movable plate (2) and the second movable plate (5) are both provided with adjusting holes (11), and the aperture of each adjusting hole (11) is larger than the diameter of each adjusting column (6).

4. A frequency converter protection device according to claim 1, characterized in that: the number of the second movable plates (5) is two, and the two second movable plates (5) are symmetrically distributed relative to the main body box (1).

5. A frequency converter protection device according to claim 1, characterized in that: the front end face of the main body box (1) is provided with an opening, the opening is rotatably provided with a box door (12), the box door (12) is rotatably provided with a buckling plate (13), and the buckling plate (13) is provided with a clamping groove.

6. A frequency converter protection device according to claim 1, characterized in that: a clamping block is installed on one side of the front end face of the main body box (1), and the clamping plate (13) is clamped and fixed on the clamping block.

7. A frequency converter protection device according to claim 1, characterized in that: install drive arrangement (17) in heat dissipation case (15), install flabellum (18) on the main shaft of drive arrangement (17), air intake (16) have been seted up to the rear end face of heat dissipation case (15), the side of heat dissipation case (15) be provided with main part case (1) interior air-supply line (14) of intercommunication.