High-voltage frequency converter protection assembly

Abstract

The high-voltage frequency converter protection assembly comprises a protection cabinet and a high-voltage frequency converter body, the top of the protection cabinet is provided with a ventilation assembly used for dehumidifying the high-voltage frequency converter body, the ventilation assembly comprises ventilators, a dustproof net seat, a ventilation cover plate and a ventilation opening, and the ventilators are fixedly installed at the two ends of the top of the protection cabinet. The output end, penetrating through the protection cabinet, of the ventilator is fixedly connected with a ventilation opening for ventilation and dehumidification of the high-voltage frequency converter body, the top of the ventilator is fixedly provided with a dustproof net seat for preventing external dust from falling into, and the top of the dustproof net seat is provided with a ventilation cover plate. And a high-voltage frequency converter body is arranged in the protection cabinet. According to the high-voltage frequency converter, the ventilation assembly is arranged, so that ventilation and dehumidification in the protection cabinet are facilitated, the service life of the high-voltage frequency converter is prolonged, loss is reduced, short circuit phenomena and dangerous accidents of the high-voltage frequency converter are reduced, and the safety of the high-voltage frequency converter in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage frequency converters, in particular to a high-voltage frequency converter protection component. Background Art

[0002] A high-voltage inverter is a device used to control and adjust the operating speed of a high-voltage motor. It achieves precise control of the motor speed by changing the power supply frequency and voltage of the motor. A high-voltage inverter usually consists of a rectifier, an inverter, and a control system. The rectifier converts the input AC power into DC power, and then the inverter converts the DC power into an AC power with adjustable frequency and voltage to drive the motor. The control system is responsible for monitoring and adjusting the output frequency and voltage of the inverter to achieve precise control of the motor.

[0003] After searching, in the prior art, Chinese patent application number: CN202123177570.2 discloses a fully protected outdoor high-voltage inverter. The utility model comprises an inverter case and a heat dissipation port arranged on one side surface of the inverter case, a mounting assembly is arranged in the base, and a sealing assembly is arranged on the inverter case below the heat dissipation port; the mounting assembly comprises a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are symmetrically arranged on both sides of the storage groove, a bidirectional ball screw is rotatably arranged in the adjustment groove, a first nut and a second nut are symmetrically arranged on both sides of the bidirectional ball screw, one end of the first nut is connected to the first mounting plate, and one end of the second nut is connected to the second mounting plate, and the bidirectional ball screw is connected to the base through a driving structure. The utility model can improve the stability of the fixation of the device, and at the same time can seal the heat dissipation port, thereby avoiding the occurrence of dust and rainwater wetting the electrical components.

[0004] However, the prior art and the device also have the following defects:

[0005] When the high-voltage inverter is used outside, it is easy for the high-voltage inverter to get damp, which will reduce its service life and increase the occurrence of dangerous accidents. In addition, its protection effect is also poor, which makes it easy for it to be damaged by collision with external objects, thereby increasing losses. Utility Model Content

[0006] The purpose of the utility model is to provide a high-voltage inverter protection component. The utility model sets a ventilation component to facilitate ventilation and dehumidification in the protection cabinet, so as to increase the service life of the high-voltage inverter and reduce losses. It is also convenient to reduce the occurrence of short circuits and dangerous accidents in the high-voltage inverter, thereby improving the safety of the high-voltage inverter when in use; so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A high-voltage inverter protection component comprises a protection cabinet and a high-voltage inverter body, a ventilation component for dehumidifying the high-voltage inverter body is provided on the top of the protection cabinet, and the ventilation component comprises a ventilator, a dustproof mesh seat, a ventilation cover plate and a ventilating port, the ventilator is fixedly installed on both ends of the top of the protection cabinet, and the output end of the ventilator running through the inside of the protection cabinet is fixedly connected to the ventilating port for ventilating and dehumidifying the high-voltage inverter body, a dustproof mesh seat for preventing external dust from falling into the top of the ventilator is fixedly installed, and a ventilation cover plate is arranged on the top of the dustproof mesh seat;

[0009] A high-voltage inverter body is arranged inside the protection cabinet, and reinforcement components are arranged on both side walls inside the protection cabinet.

[0010] Preferably, the reinforcement assembly includes a reinforcement plate and rubber limit columns, the reinforcement plate is fixedly mounted on the inner side walls of the protective cabinet, and the reinforcement plate is provided with several groups, and the outer surface of the reinforcement plate is fixedly mounted with rubber limit columns for buffering protection of the high-voltage inverter body.

[0011] Preferably, plug blocks are fixedly connected around the bottom of the ventilation cover plate, and the plug blocks are snap-fitted into corresponding slots opened on the top of the dustproof net seat.

[0012] Preferably, two ends of the inner bottom of the protection cabinet are fixedly mounted with holders for positioning and clamping the high-voltage inverter body.

[0013] Preferably, the inner side of the socket is clamped under both sides of the high-voltage inverter body, and positioning and blocking sockets for facilitating positioning and blocking are provided at both ends of the front side of the high-voltage inverter body, and a horizontal plate is fixedly connected to the inner side of the positioning and blocking socket.

[0014] Preferably, a protrusion is fixedly connected to the bottom of the positioning blocking seat, and the protrusion is snapped into a corresponding groove formed on the bottom surface of the protective cabinet.

[0015] Preferably, a heat dissipation mesh port for dissipating heat from the high-voltage inverter body is provided on the upper back side of the protective cabinet.

[0016] Preferably, a protective door is rotatably mounted on the front of the protective cabinet via a rotating shaft, and a rain shield is fixedly mounted above the front of the protective cabinet.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model provides a ventilation component, thereby ventilating and dehumidifying the protective cabinet, so as to increase the service life of the high-voltage frequency converter and reduce losses, and also facilitate to reduce the occurrence of short circuit and dangerous accidents of the high-voltage frequency converter, thereby improving the safety of the high-voltage frequency converter when in use.

[0019] The utility model cooperates with components such as a reinforcing plate and a rubber limiting column, so as to facilitate strengthening the protective cabinet, so as to improve the hardness of the protective cabinet, and also facilitates the role of limiting buffer protection for the high-voltage frequency converter in the protective cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the protective cabinet of the utility model in an open state;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model without the high-voltage inverter inside the protective cabinet;

[0023] Figure 4 This is a schematic diagram of the structure of the positioning blocking seat of the utility model;

[0024] Figure 5 This is a schematic diagram of the main structure of the protective cabinet of the utility model.

[0025] In the figure: 1. protective cabinet; 2. protective door; 3. rain shield; 4. ventilator; 5. dustproof mesh seat; 6. ventilation cover; 7. vent; 8. high-voltage inverter body; 9. plug-in block; 10. slot; 11. card seat; 12. groove; 13. bump; 14. positioning blocking seat; 15. horizontal plate; 16. reinforcement plate; 17. rubber limit column; 18. heat dissipation mesh port. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 5 , the utility model provides a technical solution:

[0028] A high-voltage frequency converter protection component includes a protection cabinet 1 and a high-voltage frequency converter body 8. The top of the protection cabinet 1 is provided with a ventilation component for dehumidifying the high-voltage frequency converter body 8, and the ventilation component includes a ventilator 4, a dustproof mesh seat 5, a ventilation cover plate 6 and a ventilator 7. The ventilator 4 is fixedly installed on both ends of the top of the protection cabinet 1, and the output end of the ventilator 4 running through the inside of the protection cabinet 1 is fixedly connected with the ventilator 7 for ventilation and dehumidification of the high-voltage frequency converter body 8. The top of the ventilator 4 is fixedly installed with a dustproof mesh seat 5 for preventing external dust from falling in, and the top of the dustproof mesh seat 5 is provided with a ventilation cover plate 6; the inside of the protection cabinet 1 is provided with a high-voltage frequency converter body 8, and the high-voltage frequency converter body 8 is a device for controlling and adjusting the running speed of a high-voltage motor. It realizes precise control of the motor speed by changing the power supply frequency and voltage of the motor. The high-voltage frequency converter body 8 is usually composed of a rectifier, an inverter and a control system.

[0029] The utility model provides the above ventilation components, thereby facilitating ventilation and dehumidification in the protective cabinet 1, so as to increase the service life of the high-voltage inverter body 8 and reduce losses, and also facilitate reducing the occurrence of short circuit phenomena and dangerous accidents of the high-voltage inverter body 8, thereby improving the safety of the high-voltage inverter body 8 when in use.

[0030] By starting the ventilator 4, the ventilating opening 7 on the output end thereof ventilates and dehumidifies the high-voltage inverter body 8 inside the protective cabinet 1, so as to increase the service life of the high-voltage inverter body 8 and reduce losses. In addition, short circuits and dangerous accidents in the high-voltage inverter body 8 are prevented, thereby improving the safety of the high-voltage inverter body 8 when in use.

[0031] The inner side walls of the protective cabinet 1 are provided with reinforcement components, which include reinforcement plates 16 and rubber limit columns 17. The reinforcement plates 16 are fixedly installed on the inner side walls of the protective cabinet 1, and the reinforcement plates 16 are provided with several groups. The outer surface of the reinforcement plates 16 is fixedly installed with rubber limit columns 17 for buffering protection of the high-voltage inverter body 8.

[0032] The utility model cooperates with the reinforcing plate 16 and the rubber limiting column 17 and other components, so as to strengthen the protection cabinet 1, so as to improve the hardness of the protection cabinet 1, and also facilitate the limiting buffer protection of the high-voltage inverter body 8 in the protection cabinet 1.

[0033] The bottom of the ventilation cover plate 6 is fixedly connected with an insert block 9, and the insert block 9 is snapped into a corresponding slot 10 on the top of the dustproof net seat 5. By arranging the insert block 9 and the slot 10 and other components to cooperate, it is convenient to open the dustproof net seat 5 and clean the dustproof net therein, so as to improve the effect of the subsequent use of the ventilator 4.

[0034] A holder 11 for positioning and clamping the high-voltage inverter body 8 is fixedly installed at both ends of the inner bottom of the protection cabinet 1. The inner side of the holder 11 is clamped at the lower sides of the high-voltage inverter body 8, and a positioning and blocking seat 14 for facilitating positioning and blocking is provided at both ends of the front of the high-voltage inverter body 8. A horizontal plate 15 is fixedly connected to the inner side of the positioning and blocking seat 14, and a protrusion 13 is fixedly connected to the bottom of the positioning and blocking seat 14, and the protrusion 13 is clamped in a corresponding groove 12 opened on the inner bottom surface of the protection cabinet 1.

[0035] The utility model provides the above-mentioned clamping seat 11, groove 12, protrusion 13, positioning blocking seat 14 and horizontal plate 15 and other components for use in combination, so as to facilitate the high-voltage inverter body 8 to play a role of clamping and fixing, so as to improve the stability of the high-voltage inverter body 8 during installation, and facilitate it to be removed from the protective cabinet 1.

[0036] A heat dissipation network port 18 for dissipating heat from the high-voltage inverter body 8 is provided on the upper back of the protection cabinet 1. A protection door 2 is rotatably installed on the front of the protection cabinet 1 through a rotating shaft, so that the protection cabinet 1 can be closed. A rain shield 3 is fixedly installed on the upper front of the protection cabinet 1. By setting the rain shield 3, it can be used for shielding during maintenance on rainy days, which is convenient for staff to carry out maintenance.

[0037] During specific use, by starting the ventilator 4, the ventilator 7 on the output end thereof ventilates and dehumidifies the high-voltage inverter body 8 inside the protective cabinet 1, so as to increase the service life of the high-voltage inverter body 8 and reduce losses. In addition, short circuits and dangerous accidents in the high-voltage inverter body 8 are prevented, thereby improving the safety of the high-voltage inverter body 8 during use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high voltage inverter protection component, characterized in that: include: A protection cabinet (1) and a high-voltage frequency converter body (8), wherein a ventilation component for dehumidifying the high-voltage frequency converter body (8) is provided on the top of the protection cabinet (1); The ventilation assembly comprises a ventilator (4), the ventilator (4) is fixedly mounted on both ends of the top of the protection cabinet (1), and the output end of the ventilator (4) which passes through the interior of the protection cabinet (1) is fixedly connected to a ventilating port (7) for ventilating and dehumidifying a high-voltage inverter body (8), a dustproof net seat (5) is fixedly mounted on the top of the ventilator (4) to prevent external dust from falling in, and a ventilation cover plate (6) is arranged on the top of the dustproof net seat (5).

2. A high voltage inverter protection assembly according to claim 1, characterized in that: The inner side walls of the protection cabinet (1) are provided with reinforcement components, the reinforcement components comprising reinforcement plates (16) and rubber limit columns (17), the reinforcement plates (16) are fixedly mounted on the inner side walls of the protection cabinet (1), and the reinforcement plates (16) are provided with a plurality of groups, and the outer surface of the reinforcement plates (16) is fixedly mounted with rubber limit columns (17) for buffering protection of the high-voltage inverter body (8).

3. A high voltage inverter protection assembly according to claim 1, characterized in that: Insert blocks (9) are fixedly connected around the bottom of the ventilation cover plate (6), and the insert blocks (9) are snap-fitted into corresponding slots (10) provided on the top of the dustproof net seat (5).

4. A high voltage inverter protection assembly according to claim 1, characterized in that: A clamping seat (11) for positioning and clamping the high-voltage frequency converter body (8) is fixedly mounted at both ends of the inner bottom of the protection cabinet (1).

5. A high voltage inverter protection assembly according to claim 4, characterized in that: The inner side of the card seat (11) is card-engaged at the lower sides of the high-voltage inverter body (8), and the two ends of the front side of the high-voltage inverter body (8) are provided with a positioning and blocking seat (14) for facilitating positioning and blocking, and the inner side of the positioning and blocking seat (14) is fixedly connected with a transverse plate (15).

6. A high voltage inverter protection assembly according to claim 5, characterized in that: A protrusion (13) is fixedly connected to the bottom of the positioning blocking seat (14), and the protrusion (13) is snap-fitted into a corresponding groove (12) provided on the bottom surface of the protective cabinet (1).

7. A high voltage inverter protection assembly according to claim 1, characterized in that: A heat dissipation net port (18) for dissipating heat from the high-voltage frequency converter body (8) is provided on the upper back of the protection cabinet (1).

8. A high voltage inverter protection assembly according to claim 7, characterized in that: A protection door (2) is rotatably mounted on the front of the protection cabinet (1) via a rotating shaft, and a rain shield (3) is fixedly mounted above the front of the protection cabinet (1).

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