CN216819686U

CN216819686U - Current type frequency converter applied to industrial electrical equipment

Info

Publication number: CN216819686U
Application number: CN202123207584.4U
Authority: CN
Inventors: 欧阳明凤
Original assignee: Shenzhen Xinyueyang New Energy Co ltd
Current assignee: Shenzhen Xinyueyang New Energy Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-24
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of current type frequency converters, and discloses a current type frequency converter applied to industrial electrical equipment. The utility model can drive the rack to move towards the side wall of the cabinet body by the meshing of the screw thread and the rack, and can drive the supporting shaft to rotate by the meshing of the gear, so that the swinging block drives the heat radiation fan to move towards the center of the cabinet body, and then the motor drives the rotating shaft to rotate reversely, thereby driving the heat radiation fan to rotate reversely, thereby uniformly diffusing the heat generated by the electric appliance element to the inner cavity of the cabinet body, leading the heat to be fully contacted with the electric appliance element, and further improving the moisture-proof effect of the device.

Description

Current type frequency converter applied to industrial electrical equipment

Technical Field

The utility model belongs to the technical field of current type frequency converters, and particularly relates to a current type frequency converter applied to industrial electrical equipment.

Background

The current type frequency converter is characterized in that a smoothing reactor is connected in series on the direct current side of the inverter, so that the direct current is flat and straight, four-quadrant operation can be quickly and frequently realized, closed-loop control of the current can be realized, the current type frequency converter has the advantages of high reliability and the like, and is widely applied to electric equipment in industrial production.

Current current type converter is when using, because the moist condition can appear in the operational environment, get into the inside back of current type converter when humid air, can cause the damage to the inside electrical components of current type converter, thereby the life of device has been reduced, in order to avoid damaging the heat that can utilize electrical components during operation to produce usually and dry to humid air, but in order to dispel the heat to the device, can set up the scattered heat dissipation wind in radiator vent department and dispel the heat usually, but the mode that outside convulsions was adopted to the scattered most adoption of current heat dissipation wind dispels the heat, directly with heat extraction element after the heat production, thereby it is too fast to lead to thermal loss, thereby the dampproofing effect of device has been reduced.

Current current mode converter can set up the louvre on the cabinet body to dispel the heat when using usually, makes the inside and external direct intercommunication of device, sets up and can be when raining at outdoor current mode converter, appears that the rainwater passes through the louvre entering device inside to lead to the inside circuit break of device, increased the potential safety hazard of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a current type frequency converter applied to industrial electrical equipment, which has the advantages of improving the moisture-proof effect of the device and reducing the potential safety hazard of the device.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be applied to electric current type converter of industry electrical equipment, includes the cabinet body, the inner chamber fixed mounting of the cabinet body has electrical components, the bottom swing joint of cabinet body inner chamber has the back shaft, the middle part fixed mounting of back shaft has swing piece, the top surface fixed mounting of swing piece has radiator fan, the intercommunication groove has been seted up at the middle part of swing piece, the front end fixed mounting of back shaft has the gear, cabinet body inner chamber bottom surface swing joint has rack and pivot, the screw thread has been seted up at both ends about the pivot, cabinet body inner chamber's bottom surface fixed mounting has the motor, the output of motor and the middle part of pivot are all fixed the drive wheel of having cup jointed, the surface transmission of drive wheel is connected with the drive belt.

As a preferred technical scheme of the utility model, a heat dissipation groove is formed in the top end of the cabinet body, a fixed shaft is fixedly mounted on the bottom surface of an inner cavity of the cabinet body, a baffle plate is movably connected to the middle of the fixed shaft, an electromagnet is fixedly mounted on the top surface of the inner cavity of the cabinet body, a telescopic rod and a push-out spring are fixedly mounted on the front side surface of the electromagnet, a metal frame is fixedly mounted on the front end of the telescopic rod, and the electromagnet is electrified with electromagnetic property, so that the metal frame is attracted, the metal frame moves backwards and leaves the lower side of the baffle plate, the bottom end of the baffle plate loses the limit of the metal frame, the front end of the baffle plate rotates downwards, and the heat dissipation groove is opened.

As a preferred technical scheme of the utility model, the section of the swinging block is in the shape of an isosceles triangle, the top surface of the swinging block is a plane, and the communicating grooves respectively penetrate through the top end, the left side and the right side of the swinging block, so that the heat radiation fan can normally pump air upwards from below, the damage of the heat radiation fan is avoided, and the service life of the device is prolonged.

As a preferred technical scheme of the present invention, the screw thread is engaged in the middle of the rack, the rack is engaged with the gear, the two screw threads are provided, the rotation directions of the two screw threads are opposite, the motor is started, the two transmission wheels are connected through transmission of the transmission belt, so as to drive the rotation shaft to rotate, the rack can be driven to move towards the side wall of the cabinet body through the engagement of the screw thread and the rack, the support shaft can be driven to rotate through the engagement with the gear, so that the oscillating block drives the cooling fan to move towards the center of the cabinet body, and then the motor drives the rotation shaft to rotate in the opposite direction, so as to drive the cooling fan to rotate in the opposite direction, so as to uniformly diffuse the heat generated by the electrical component towards the inner cavity of the cabinet body.

As a preferred technical scheme of the utility model, the top surface of the baffle is attached to the top surface of the inner cavity of the cabinet body, the baffle is positioned below the heat dissipation groove, and the heat dissipation groove is sealed by the baffle when raining, so that rainwater is prevented from entering the inner cavity of the cabinet body through the heat dissipation groove.

As a preferable technical scheme of the utility model, the metal frame is in an L shape, the top surface of the metal frame is attached to the bottom surface of the baffle plate, the electromagnet is powered off, and the pushing spring in a compressed state moves the metal frame forward under the elastic action, so that the baffle plate is pushed upwards, and the top surface of the metal frame is in contact with the bottom surface of the baffle plate.

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

1. the utility model can drive the rack to move towards the side wall of the cabinet body by the meshing of the screw thread and the rack, and can drive the supporting shaft to rotate by the meshing of the gear, so that the swinging block drives the heat radiation fan to move towards the center of the cabinet body, and then the motor drives the rotating shaft to rotate reversely, thereby driving the heat radiation fan to rotate reversely, thereby uniformly diffusing the heat generated by the electric appliance element to the inner cavity of the cabinet body, leading the heat to be fully contacted with the electric appliance element, and further improving the moisture-proof effect of the device.

2. According to the utility model, the electromagnet is powered off, the push-out spring in a compressed state moves the metal frame forwards under the elastic action, so that the top surface of the metal frame is contacted with the bottom surface of the baffle plate, the baffle plate is jacked upwards, the baffle plate seals the heat dissipation groove, rainwater is prevented from entering the inner cavity of the cabinet body through the heat dissipation groove, the internal circuit of the device is prevented from being broken, and the potential safety hazard of the device is reduced.

Drawings

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

FIG. 2 is a schematic diagram of the connection of electrical components of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

FIG. 4 is a schematic view of the connection of the structural baffles of the present invention;

FIG. 5 is an enlarged view of the point B in FIG. 4 according to the present invention.

In the figure: 1. a cabinet body; 2. an electrical component; 3. a support shaft; 4. a swing block; 5. a heat radiation fan; 6. A communicating groove; 7. a gear; 8. a rack; 9. a rotating shaft; 10. a thread; 11. a motor; 12. a driving wheel; 13. a transmission belt; 14. a heat sink; 15. a fixed shaft; 16. a baffle plate; 17. an electromagnet; 18. a telescopic rod; 19. a push-out spring; 20. a metal frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a current type frequency converter applied to industrial electrical equipment, which comprises a cabinet body 1, wherein an electrical component 2 is fixedly installed in an inner cavity of the cabinet body 1, a supporting shaft 3 is movably connected to the bottom end of the inner cavity of the cabinet body 1, a swinging block 4 is fixedly installed in the middle of the supporting shaft 3, a cooling fan 5 is fixedly installed on the top surface of the swinging block 4, a communicating groove 6 is formed in the middle of the swinging block 4, a gear 7 is fixedly installed at the front end of the supporting shaft 3, a rack 8 and a rotating shaft 9 are movably connected to the bottom surface of the inner cavity of the cabinet body 1, threads 10 are formed at the left end and the right end of the rotating shaft 9, a motor 11 is fixedly installed on the bottom surface of the inner cavity of the cabinet body 1, a driving wheel 12 is fixedly sleeved on the output end of the motor 11 and the middle of the rotating shaft 9, and a driving belt 13 is connected to the surface of the driving wheel 12.

Wherein, radiating groove 14 has been seted up on the top of the cabinet body 1, the bottom surface fixed mounting of the cabinet body 1 inner chamber has fixed axle 15, the middle part swing joint of fixed axle 15 has baffle 16, the top surface fixed mounting of the cabinet body 1 inner chamber has electro-magnet 17, the leading flank fixed mounting of electro-magnet 17 has telescopic link 18 and release spring 19, the front end fixed mounting of telescopic link 18 has metal frame 20, electro-magnet 17 circular telegram magnetism, thereby attract metal frame 20, make metal frame 20 after-poppet, leave the below of baffle 16, the bottom of baffle 16 loses the injectment of metal frame 20 this moment, thereby make the front end of baffle 16 rotate downwards, open radiating groove 14.

Wherein, the cross-sectional shape of swing piece 4 is isosceles triangle, and the top surface of swing piece 4 is the plane, and intercommunication groove 6 runs through the top and the left and right sides of swing piece 4 respectively, has guaranteed that radiator fan 5 can normally be followed down and upwards drawn the air, avoids radiator fan 5 to damage, has increased the life of device.

Wherein, screw thread 10 meshes in the middle part of rack 8, rack 8 meshes with gear 7, screw thread 10 is total two, the direction of rotation of two screw threads 10 is opposite, starter motor 11, connect two drive wheels 12 through drive belt 13 transmission, thereby it is rotatory to drive pivot 9, through the meshing of screw thread 10 and rack 8, can drive rack 8 and remove to the lateral wall of the cabinet body 1, and can drive back shaft 3 through the meshing with gear 7 and rotate, make swing piece 4 drive radiator fan 5 and remove to the center of the cabinet body 1, then motor 11 drives pivot 9 antiport, thereby drive radiator fan 5 antiport, thereby the heat that produces electrical components 2 is to the even diffusion of the inner chamber of the cabinet body 1.

Wherein, the top surface laminating of baffle 16 and the top surface of the internal chamber of cabinet 1, baffle 16 are located the below of radiating groove 14, and when raining, seal radiating groove 14 through baffle 16 to avoid the rainwater to get into in the internal chamber of cabinet 1 through radiating groove 14.

The metal frame 20 is in an L shape, the top surface of the metal frame 20 is attached to the bottom surface of the baffle 16, the electromagnet 17 is powered off, and the pushing spring 19 in a compressed state moves the metal frame 20 forward under the elastic action, so that the baffle 16 is pushed up, and the top surface of the metal frame 20 is in contact with the bottom surface of the baffle 16.

The working principle and the using process of the utility model are as follows:

when the heat dissipation cabinet is used, the electric element 2 works to generate heat, the motor 11 is started at the same time, the two transmission wheels 12 are connected through the transmission of the transmission belt 13, so that the rotating shaft 9 is driven to rotate, the rack 8 can be driven to move towards the side wall of the cabinet body 1 through the meshing of the threads 10 and the rack 8, the supporting shaft 3 can be driven to rotate through the meshing of the supporting shaft and the gear 7, the swinging block 4 drives the heat dissipation fan 5 to move towards the center of the cabinet body 1, then the motor 11 drives the rotating shaft 9 to rotate reversely, so that the heat dissipation fan 5 is driven to rotate reversely, and the heat generated by the electric element 2 is uniformly diffused towards the inner cavity of the cabinet body 1;

during normal use, electro-magnet 17 circular telegram magnetism, thereby attract metal crate 20, make metal crate 20 back removal, leave the below of baffle 16, the bottom of baffle 16 loses the limited of metal crate 20 this moment, thereby make the front end of baffle 16 rotate downwards, open radiating groove 14, when raining, electro-magnet 17 cuts off the power supply, the spring 19 that pushes out that is in compression state this moment moves metal crate 20 forward under elastic effect, thereby with baffle 16 upwards jack-up, make the top surface of metal crate 20 and the bottom surface contact of baffle 16, thereby make baffle 16 seal radiating groove 14, thereby avoid the rainwater to pass through in the inner chamber that radiating groove 14 got into cabinet 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A current mode converter for industrial electrical equipment, includes cabinet body (1), its characterized in that: an electric appliance element (2) is fixedly arranged in the inner cavity of the cabinet body (1), a supporting shaft (3) is movably connected at the bottom end of the inner cavity of the cabinet body (1), a swinging block (4) is fixedly arranged in the middle of the supporting shaft (3), a heat radiation fan (5) is fixedly arranged on the top surface of the swinging block (4), a communicating groove (6) is arranged in the middle of the swinging block (4), a gear (7) is fixedly arranged at the front end of the supporting shaft (3), the bottom surface of the inner cavity of the cabinet body (1) is movably connected with a rack (8) and a rotating shaft (9), threads (10) are arranged at the left end and the right end of the rotating shaft (9), a motor (11) is fixedly arranged on the bottom surface of the inner cavity of the cabinet body (1), the output end of the motor (11) and the middle part of the rotating shaft (9) are fixedly sleeved with a driving wheel (12), and the surface of the driving wheel (12) is in transmission connection with a transmission belt (13).

2. A current-mode frequency converter for application in industrial electrical equipment, according to claim 1, wherein: radiating groove (14) have been seted up on the top of the cabinet body (1), the bottom surface fixed mounting of the cabinet body (1) inner chamber has fixed axle (15), the middle part swing joint of fixed axle (15) has baffle (16), the top surface fixed mounting of the cabinet body (1) inner chamber has electro-magnet (17), the leading flank fixed mounting of electro-magnet (17) has telescopic link (18) and release spring (19), the front end fixed mounting of telescopic link (18) has metal frame (20).

3. A current-mode frequency converter for application in industrial electrical equipment, according to claim 1, wherein: the section of the swing block (4) is in the shape of an isosceles triangle, the top surface of the swing block (4) is a plane, and the communication grooves (6) penetrate through the top end and the left side and the right side of the swing block (4) respectively.

4. A current-mode frequency converter for application in industrial electrical equipment, according to claim 1, wherein: the threads (10) are meshed with the middle of the rack (8), the rack (8) is meshed with the gear (7), the number of the threads (10) is two, and the rotating directions of the two threads (10) are opposite.

5. A current-mode frequency converter for application in industrial electrical equipment, according to claim 2, wherein: the top surface of baffle (16) and the top surface laminating of cabinet body (1) inner chamber, baffle (16) are located the below of radiating groove (14).

6. A current-mode frequency converter for application in industrial electrical equipment, according to claim 2, wherein: the metal frame (20) is L-shaped, and the top surface of the metal frame (20) is attached to the bottom surface of the baffle (16).