Frequency converter capable of switching ports

Abstract

The utility model relates to the technical field of frequency converters, and discloses a frequency converter with switchable ports, which comprises a frequency converter main body and a blocking cover, a groove is arranged at the bottom of the front surface of the frequency converter main body, a partition plate is fixedly arranged in the groove, a first port is fixedly arranged at the bottom end of the partition plate, a second port is fixedly arranged at the top end of the partition plate, and the blocking cover is arranged on the front surface of the frequency converter main body. And adsorption plates are embedded in the bottom and the top of the groove correspondingly, sliding grooves are formed in the two sides of the groove correspondingly, and the two sliding grooves are slidably connected with sliding blocks correspondingly. The first port and the second port can be separated through the partition plate, external equipment can be connected through the first port, the blocking cover is vertically pushed, the second magnet is separated from the adsorption plate at the top of the groove, the first magnet is adsorbed to the adsorption plate at the bottom of the groove, switching between the second port and the first port can be achieved, the structure is simple, damage is not prone to occurring, and operation is convenient; the ports are switched by sliding the blocking cover, and the first port and the second port do not need to be movably installed and moved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a frequency converter with switchable ports. Background Art

[0002] The frequency converter is an electric power control device that applies frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply. It is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessing unit, etc. With the continuous improvement of industrial automation, frequency converters have also been widely used.

[0003] The existing switchable port frequency converter can refer to the Chinese utility model patent with authorization announcement number CN216134422U, which discloses a switchable port frequency converter, "including a fixed frame, a fixed plate, a connector, a first slider, a fixed rod, a clamping block, a first port, a second slider and a second port, the left side of the fixed frame is connected to the fixed plate, the lower side of the fixed plate is equidistantly connected to five connectors, the connector runs through the fixed plate, the front and rear sides of the upper left side of the fixed frame are slidably connected to the first slider, the two first sliders are connected to the sides close to each other by a fixed rod, and the upper part of the fixed rod The bottom of the fixed rod is equidistantly connected with five clamping blocks by threaded connection, the bottom of the fixed rod is equidistantly connected with five first ports, the first ports are in contact with the connector, and the front and rear sides of the lower left side of the fixed frame are slidably connected with two second sliders, a second port is connected between the two second sliders, and the second port is in contact with the connector. The utility model pulls the second slider upwards, the second slider drives the second port to move, and the staff presses the first slider downwards, the fixed rod drives the clamping block and the first port to move, thereby, the port can be switched quickly and conveniently, saving the cost of replacing the inverter. "

[0004] When the above-mentioned device is in use, the first port and the second port need to be movably installed to adjust the position and replace the ports. Frequent displacement of the ports will cause the wires to deform, and the wires are prone to fatigue and poor contact. The reliability and durability are poor. When any one of the first port and the second port is working, the other port is exposed to the outside, making it difficult to provide effective protection for it. In addition, the structure is complex, and it is necessary to maintain the linkage of the barrier rod, the connecting block and the spring. Once damaged, it is difficult to repair and is prone to jamming. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a frequency converter with switchable ports, which has the advantages of good reliability and durability and simple structure, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a frequency converter with switchable ports, comprising a frequency converter body and a cover, a groove is provided at the bottom of the front side of the frequency converter body, a partition is fixedly provided inside the groove, a port one is fixedly provided at the bottom end of the partition, a port two is fixedly provided at the top end of the partition, adsorption plates are embedded at the bottom and top of the groove, slide grooves are provided on both sides of the groove, two slide grooves are slidably connected with sliders, both sides of the cover are fixedly connected to the two sliders by two screws, magnet one and magnet two are respectively embedded in the middle of the bottom end and the middle of the top end of the cover, magnet two is magnetically connected to one of the adsorption plates, and rubber strips are fixed on the four sides of the back side of the cover.

[0007] As a preferred technical solution of the utility model, both sides of the top end and both sides of the bottom end of the two sliders are provided with rounded corners, the top and bottom of the two sliders are provided with thread grooves, the four screws are respectively threadedly connected to the four thread grooves, and two through holes are provided on both sides of the front side of the cover, and the four screws are respectively inserted and connected with the four through holes.

[0008] As a preferred technical solution of the utility model, placement grooves are provided in the middle of both sides of the blocking cover, the four through holes are respectively connected to the two placement grooves, and one side of the two sliding blocks is respectively engaged and connected to the two placement grooves.

[0009] As a preferred technical solution of the utility model, a heat dissipation window is provided on one side of the inverter body, ear plates are fixedly provided on the top and bottom of both sides of the inverter body, and positioning holes are opened on the surfaces of the four ear plates.

[0010] As a preferred technical solution of the utility model, a protrusion is fixedly connected to the bottom of the front side of the blocking cover, and a finger groove is provided on the surface of the protrusion.

[0011] As a preferred technical solution of the utility model, the surfaces of the magnet one and the magnet two are both covered with shielding sleeves, and the magnet one and the magnet two are located on the same vertical plane as the two adsorption plates.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The frequency converter with switchable ports can separate port 1 and port 2 by a partition, and an external device can be connected through port 1. By vertically pushing the cover to separate magnet 2 from the adsorption plate at the top of the groove and adsorbing magnet 1 on the adsorption plate at the bottom of the groove, port 2 and port 1 can be switched. The structure is simple, not easy to damage, and easy to operate. The ports can be switched by sliding the cover, and there is no need to movably install port 1 and port 2 and move them, thereby avoiding deformation of the wires caused by frequent displacement of the ports, and the wires are not prone to fatigue and poor contact. The reliability and durability are good. When any one of port 1 and port 2 is working, the cover can close the other port through the rubber strip to provide effective protection for it.

[0014] 2. The inverter with switchable ports can guide and limit the cover through the slide groove and the slider, which ensures the stability of the cover, prevents the cover from falling off, and is not easy to get stuck. The cover can be separated from the cover by loosening the screws and removing the slider. The cover can be moved vertically to facilitate the removal of the cover and the slider, which is convenient for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the groove of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the blocking cover of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the placement slot of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the bottom end of the blocking cover of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the slider of the utility model.

[0021] In the figure: 1. Inverter body; 2. Ear plate; 3. Positioning hole; 4. Heat dissipation window; 5. Groove; 6. Slide groove; 7. Adsorption plate; 8. Partition plate; 9. Port 1; 10. Port 2; 11. Cover; 12. Rubber strip; 13. Slider; 14. Placement groove; 15. Screw; 16. Thread groove; 17. Fillet; 18. Magnet 1; 19. Magnet 2; 20. Shielding sleeve; 21. Bump; 22. Finger groove; 23. Through hole. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 A frequency converter with switchable ports, comprising a frequency converter body 1 and a cover 11, a groove 5 is provided at the bottom of the front of the frequency converter body 1, a partition 8 is fixedly provided inside the groove 5, a port 1 9 is fixedly provided at the bottom end of the partition 8, a port 2 10 is fixedly provided at the top of the partition 8, an adsorption plate 7 is embedded at the bottom and top of the groove 5, a slide groove 6 is provided at both sides of the groove 5, and a slider 13 is slidably connected to the two slide grooves 6, both sides of the cover 11 are fixedly connected to the two sliders 13 by two screws 15, and a magnet 1 18 and a magnet 2 19 are embedded in the middle of the bottom end and the middle of the top end of the cover 11 respectively. , magnet 2 19 is magnetically connected to one of the adsorption plates 7, and rubber strips 12 are fixed on the four sides of the back of the cover 11. The partition 8 can separate port 1 9 and port 2 10, and the external device can be connected through port 1 9. By vertically pushing the cover 11, the magnet 2 19 is separated from the adsorption plate 7 at the top of the groove 5, and the magnet 1 18 is adsorbed on the adsorption plate 7 at the bottom of the groove 5, the switching between port 2 10 and port 1 9 can be realized. The structure is simple, not easy to damage, and easy to operate. The slide groove 6 and the slider 13 can guide and limit the cover 11, ensuring the stability of the cover 11.

[0024] See also Figure 3 , Figure 4 and Figure 6 Both sides of the top and bottom of the two sliders 13 are provided with rounded corners 17, and the top and bottom of the two sliders 13 are provided with threaded grooves 16, and the four screws 15 are respectively threadedly connected with the four threaded grooves 16. Two through holes 23 are provided on both sides of the front of the cover 11, and the four screws 15 are respectively inserted and connected with the four through holes 23. The screws 15 can be inserted through the through holes 23, and the screws 15 can be positioned through the threaded grooves 16.

[0025] See also Figure 4 and Figure 5 A placement groove 14 is provided in the middle of both sides of the blocking cover 11, and the four through holes 23 are respectively connected to the two placement grooves 14, and one side of the two sliders 13 is respectively engaged with the two placement grooves 14. The slider 13 can be placed through the placement groove 14, which improves the stability of the slider 13 and makes it difficult for the slider 13 to shake.

[0026] See also Figure 1A heat dissipation window 4 is provided on one side of the inverter body 1, and ear plates 2 are fixedly provided on the top and bottom of both sides of the inverter body 1. Positioning holes 3 are opened on the surfaces of the four ear plates 2, and the inverter body 1 can be fixedly installed through the positioning holes 3 of the ear plates 2.

[0027] See also Figure 3 A protrusion 21 is fixedly connected to the bottom of the front side of the blocking cover 11, and a finger groove 22 is provided on the surface of the protrusion 21. The protrusion 21 and the finger groove 22 facilitate vertical pushing and pulling of the blocking cover 11.

[0028] See also Figure 2 and Figure 3 The surfaces of magnet 18 and magnet 2 19 are both covered with shielding sleeves 20. Magnet 18 and magnet 2 19 are located on the same vertical plane as the two adsorption plates 7. The shielding sleeves 20 can shield magnet 18 and magnet 2 19 from the wire, thereby preventing magnet 18 and magnet 2 19 from affecting the current.

[0029] When in use, the staff first puts one side of the two sliders 13 into the bottom of the two slide grooves 6 respectively, and then places the cover 11 vertically, so that the other sides of the two sliders 13 enter the placement grooves 14 on both sides of the cover 11, and then fixes the slider 13 and the cover 11 with screws 15. When it is necessary to connect an external device, the staff pushes the cover 11 vertically to connect the magnet 2 19 to the adsorption plate 7 at the top of the groove 5. The cover 11 can open the port 1 9 and provide protection for the port 2 10, so that the device can be connected through the port 1 9. When it is necessary to connect an external device with a different interface, the staff pushes the cover 11 vertically to connect the magnet 2 19 to the adsorption plate 7 at the top of the groove 5. Separate from the adsorption plate 7 at the top of the groove 5, and allow the magnet 18 to be adsorbed on the adsorption plate 7 at the bottom of the groove 5. The cover 11 can close the port 1 9 to provide protection for it, and can open the port 2 10, so as to realize the switching between the port 2 10 and the port 1 9, and can connect the inverter body 1 to different external devices. When the cover 11 needs to be removed, the staff first loosens the screw 15 and removes the slider 13 to separate it from the cover 11, and then moves the cover 11 vertically to separate it from the slider 13. After the cover 11 and the slider 13 are at the synchronous height, the cover 11 and the slider 13 can be taken out in turn for repair and replacement.

[0030] 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 frequency converter with switchable ports, comprising a frequency converter body (1) and a cover (11), characterized in that: The inverter body (1) is provided with a groove (5) at the bottom of the front side, a partition (8) is fixedly provided inside the groove (5), a port one (9) is fixedly provided at the bottom end of the partition (8), a port two (10) is fixedly provided at the top end of the partition (8), an adsorption plate (7) is embedded at the bottom and top of the groove (5), a slide groove (6) is provided on both sides of the groove (5), and two slide grooves (6) are slidably connected with sliders (13), both sides of the blocking cover (11) are fixedly connected to the two sliders (13) by two screws (15), a magnet one (18) and a magnet two (19) are embedded in the middle of the bottom end and the middle of the top end of the blocking cover (11), and the magnet two (19) is magnetically connected to one of the adsorption plates (7), and rubber strips (12) are fixedly provided on the four sides of the back of the blocking cover (11).

2. The frequency converter with switchable ports according to claim 1, characterized in that: Both sides of the top and bottom of the two sliders (13) are provided with rounded corners (17), the top and bottom of the two sliders (13) are provided with threaded grooves (16), the four screws (15) are respectively threadedly connected to the four threaded grooves (16), and the two sides of the front of the blocking cover (11) are provided with two through holes (23), and the four screws (15) are respectively inserted and connected to the four through holes (23).

3. A frequency converter with switchable ports according to claim 2, characterized in that: The middle parts of both sides of the blocking cover (11) are provided with placement grooves (14), the four through holes (23) are respectively connected to the two placement grooves (14), and one side of the two sliding blocks (13) is respectively engaged and connected to the two placement grooves (14).

4. The frequency converter with switchable ports according to claim 1, characterized in that: A heat dissipation window (4) is provided on one side of the inverter body (1), and ear plates (2) are fixedly provided on the top and bottom of both sides of the inverter body (1), and positioning holes (3) are provided on the surfaces of the four ear plates (2).

5. The frequency converter with switchable ports according to claim 1, characterized in that: A convex block (21) is fixedly connected to the bottom of the front side of the blocking cover (11), and a finger groove (22) is provided on the surface of the convex block (21).

6. The frequency converter with switchable ports according to claim 1, characterized in that: The surfaces of the first magnet (18) and the second magnet (19) are both covered with shielding sleeves (20), and the first magnet (18) and the second magnet (19) are located on the same vertical plane as the two adsorption plates (7).

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