Frequency converter with novel wiring terminal installation structure

Abstract

The utility model discloses a frequency converter with a novel wiring terminal installation structure, which relates to the technical field of frequency converters and comprises a frequency converter main body, a terminal wiring groove is arranged on the surface of the bottom end of the front surface of the frequency converter main body, and a terminal wiring disc is detachably installed in the terminal wiring groove. The edge of the top end of one side of the terminal wiring groove is rotationally connected with a connecting shaft. A buckle bolt head on the back of a terminal patch board is inserted into a buckle bolt groove, meanwhile, a limiting groove is directly buckled with the position of the patch board, and finally, the wiring head is inserted into an electric power connecting groove, so that the frequency converter main body and the terminal patch board are connected and used, installation is convenient, and meanwhile, disassembly is convenient; and the sealing cover can be used for sealing the terminal wiring groove, so that the sealing performance of the terminal patch panel in the terminal wiring groove in use is improved, and the protection and use effects of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to a frequency converter with a novel wiring terminal installation structure. Background Art

[0002] The inverter 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. The inverter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, microprocessor unit, etc. The inverter relies on the internal IGBT to adjust the voltage and frequency of the output power supply, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the inverter has many protection functions, such as overcurrent, overvoltage, overload protection, etc. With the continuous improvement of the degree of industrial automation, the inverter has also been widely used. When using the inverter, a terminal installation structure will be used in conjunction. However, the connection stability of the traditional terminal is generally poor, and the connector may break. Therefore, we have redesigned an inverter with a new terminal installation structure. Utility Model Content

[0003] The purpose of the utility model is to provide a frequency converter with a novel wiring terminal installation structure.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: an inverter with a new terminal installation structure, comprising an inverter body, a terminal wiring slot is provided on the front bottom surface of the inverter body, a terminal wiring disk is detachably installed inside the terminal wiring slot, a top edge of one side of the terminal wiring slot is rotatably connected to a connecting shaft, a sealing cover is fixedly connected to one side of the connecting shaft, a top surface of one side of the sealing cover is fixedly connected to a cover handle, a line limiting snap groove is provided on one side edge surface of the sealing cover, a snap pin groove is provided on the inner surface of the terminal wiring slot, a power connection slot is provided on one side of the snap pin groove, and a limiting groove is provided on one side of the power connection slot.

[0005] Preferably, the cross-sectional area of ​​the sealing cover is smaller than the cross-sectional area of ​​the terminal wiring slot, and the connection relationship between the sealing cover and the terminal wiring slot is a movable snap connection.

[0006] Preferably, a terminal block is fixedly mounted on one outer wall of the terminal block, a connecting rod is fixedly connected to the top of one side of the terminal block, a wiring head is fixedly connected to the top of one side of the connecting rod, and a snap-on pin head is fixedly connected to the top of one side of the terminal block.

[0007] Preferably, a wiring groove is provided on the top surface of the front side of the terminal wiring board, and a locking top plate is detachably installed on the top of the wiring groove, and a first locking plate is fixedly connected to one side of the locking top plate, and a locking bottom plate is detachably installed on the bottom end of one side of the wiring groove, and a second locking plate is fixedly connected to one side of the locking bottom plate.

[0008] Preferably, the positions of the wiring tray and the limiting slot correspond one to one, the connection relationship between the wiring tray and the limiting slot is a movable snap-in, the positions of the snap-in pin head and the snap-in pin slot correspond one to one, the connection relationship between the snap-in pin head and the snap-in pin slot is a movable snap-in, the positions of the wiring head and the power connection slot correspond one to one, and the connection relationship between the wiring head and the power connection slot is a movable snap-in.

[0009] Preferably, the first locking disk and the second locking disk are located on the same side, the cross-sectional area of ​​the first locking disk is the same as the cross-sectional area of ​​the second locking disk, and the positions of the first locking disk and the second locking disk correspond one to one.

[0010] Compared with the related art, the inverter with the novel terminal installation structure provided by the present invention has the following beneficial effects:

[0011] 1. The utility model provides an inverter with a novel terminal installation structure, which is provided with a snap-on pin head on the back of the terminal wiring board and inserted into the inside of the snap-on pin slot. At the same time, the limit slot is directly snapped with the position of the wiring board, and finally the wiring head is inserted into the inside of the power connection slot. It is convenient for the connection between the inverter body and the terminal wiring board to be installed and disassembled at the same time, thereby facilitating the replacement or maintenance of the terminal wiring board as a whole. The terminal wiring slot can be sealed by the sealing cover, thereby improving the sealing of the terminal wiring board inside the terminal wiring slot and improving the protective use effect of the device.

[0012] 2. The utility model provides an inverter with a new terminal installation structure. By setting the inside of the wiring slot to directly connect other connectors, and by adjusting the gap between the locking top plate and the locking bottom plate, these connectors are stably fixed and the stability of the connector installation is improved. For the wrapping operation of the connector, the alignment and locking of the first locking plate and the second locking plate can straighten the connector stably. At the same time, the line limiting buckle groove is used to organize the line, thereby improving the wiring stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall bottom view of the device of the present invention;

[0015] Figure 3 This is a schematic diagram of the back side view of the terminal wiring board of the present invention;

[0016] Figure 4 This is a schematic diagram of the front and side views of the terminal wiring board of the present invention.

[0017] Numbers in the figure: 1. Inverter body; 2. Terminal wiring slot; 3. Terminal wiring board; 4. Connecting shaft; 5. Sealing cover; 6. Cover handle; 7. Line limit snap slot; 8. Snap latch slot; 9. Power connection slot; 10. Limit slot; 11. Wiring board; 12. Connecting rod; 13. Wiring head; 14. Snap latch head; 15. Wiring slot; 16. Locking top plate; 17. First locking plate; 18. Locking bottom plate; 19. Second locking plate. DETAILED DESCRIPTION

[0018] Example 1:

[0019] See also Figure 1-4 The utility model provides a technical solution: an inverter with a new terminal installation structure, including an inverter body 1, a terminal wiring slot 2 is opened on the front bottom surface of the inverter body 1, a terminal wiring plate 3 is detachably installed inside the terminal wiring slot 2, a connecting shaft 4 is rotatably connected to the top edge of one side of the terminal wiring slot 2, a sealing cover 5 is fixedly connected to one side of the connecting shaft 4, a cover handle 6 is fixedly connected to the top surface of one side of the sealing cover 5, a line limit buckle groove 7 is opened on the edge surface of one side of the sealing cover 5, and the inside of the terminal wiring slot 2 is fixedly connected to the top edge of the terminal wiring slot 2. A snap-on pin slot 8 is provided on the surface, a power connection slot 9 is provided on one side of the snap-on pin slot 8, a limiting slot 10 is provided on one side of the power connection slot 9, the cross-sectional area of ​​the sealing cover 5 is smaller than the cross-sectional area of ​​the terminal wiring slot 2, and the connection relationship between the sealing cover 5 and the terminal wiring slot 2 is a movable snap connection, a wiring disk 11 is fixedly installed on the outer wall of one side of the terminal wiring disk 3, a connecting rod 12 is fixedly connected to the top of one side of the wiring disk 11, a wiring head 13 is fixedly connected to the top of one side of the connecting rod 12, and a snap-on pin head 14 is fixedly connected to the top of one side of the terminal wiring disk 3.

[0020] In the implementation scheme, the snap-on pin head 14 on the back of the terminal wiring board 3 is inserted into the inside of the snap-on pin slot 8, and at the same time the limit slot 10 is directly snapped into the position of the wiring board 11, and finally the wiring head 13 is inserted into the inside of the power connection slot 9. For the connection between the inverter body 1 and the terminal wiring board 3, it is convenient to install and disassemble, thereby facilitating the overall replacement or maintenance of the terminal wiring board 3. The sealing cover 5 can be used to seal the terminal wiring slot 2, thereby improving the sealing of the terminal wiring board 3 inside the terminal wiring slot 2 and improving the protective use effect of the device.

[0021] Example 2:

[0022] See also Figure 1-4 The utility model provides a technical solution: an inverter with a new terminal installation structure, including a terminal wiring board 3 with a wiring slot 15 on the top surface of the front, a locking top plate 16 detachably mounted on the top of the wiring slot 15, a first locking plate 17 fixedly connected to one side of the locking top plate 16, a locking bottom plate 18 detachably mounted on the bottom end of one side of the wiring slot 15, a second locking plate 19 fixedly connected to one side of the locking bottom plate 18, the positions of the wiring board 11 and the limit slot 10 correspond one to one, and the wiring board 11 and the limit slot 1 0 is a movable snap-in connection, the positions of the snap-in pin head 14 and the snap-in pin slot 8 correspond one to one, the connection relationship between the snap-in pin head 14 and the snap-in pin slot 8 is a movable snap-in connection, the positions of the wiring head 13 and the power connection slot 9 correspond one to one, the connection relationship between the wiring head 13 and the power connection slot 9 is a movable snap-in connection, the first locking plate 17 and the second locking plate 19 are located on the same side, the cross-sectional area of ​​the first locking plate 17 and the cross-sectional area of ​​the second locking plate 19 are the same, and the positions of the first locking plate 17 and the second locking plate 19 correspond one to one.

[0023] In the implementation scheme, by setting the interior of the wiring slot 15 to directly connect other connectors, and by adjusting the gap between the locking top plate 16 and the locking bottom plate 18, these connectors can be stably fixed and the stability of the connector installation can be improved. For the wrapping operation of the connector, the alignment and locking of the first locking plate 17 and the second locking plate 19 can straighten the connector stably. At the same time, the line limiting snap groove 7 is used for the arrangement of the line to improve the wiring stability of the device.

[0024] Working principle:

[0025] By setting the buckle plug head 14 on the back of the terminal wiring board 3 to be inserted into the inside of the buckle plug slot 8, and at the same time, the limit slot 10 is directly buckled with the position of the wiring board 11, and finally the wiring head 13 is inserted into the inside of the power connection slot 9, the connection between the inverter body 1 and the terminal wiring board 3 is convenient for installation and disassembly, thereby facilitating the overall replacement or maintenance of the terminal wiring board 3. The sealing cover 5 can seal the terminal wiring slot 2, improve the sealing of the terminal wiring board 3 inside the terminal wiring slot 2, and improve the protective use effect of the device;

[0026] By setting up the interior of the wiring slot 15 to directly connect other connectors, and by adjusting the gap between the locking top plate 16 and the locking bottom plate 18, these connectors can be stably fixed and the stability of the connector installation can be improved. For the wrapping operation of the connector, the alignment and locking of the first locking plate 17 and the second locking plate 19 can straighten the connector stably. At the same time, the line limiting buckle groove 7 is used for the arrangement of the line to improve the wiring stability of the device.

Claims

1. A frequency converter with a novel terminal mounting structure, comprising a frequency converter body (1), wherein a terminal connection slot (2) is provided on the front bottom surface of the frequency converter body (1), and wherein: A terminal wiring plate (3) is detachably mounted inside the terminal wiring slot (2); a connecting shaft (4) is rotatably connected to a top edge of one side of the terminal wiring slot (2); a sealing cover (5) is fixedly connected to one side of the connecting shaft (4); a cover handle (6) is fixedly connected to a top surface of one side of the sealing cover (5); a line limit snap groove (7) is provided on an edge surface of one side of the sealing cover (5); a snap pin groove (8) is provided on an inner surface of the terminal wiring slot (2); a power connection slot (9) is provided on one side of the snap pin groove (8); and a limit groove (10) is provided on one side of the power connection slot (9).

2. The frequency converter with a novel terminal installation structure according to claim 1, characterized in that: The cross-sectional area of ​​the sealing cover (5) is smaller than the cross-sectional area of ​​the terminal wiring slot (2), and the connection relationship between the sealing cover (5) and the terminal wiring slot (2) is a movable snap connection.

3. The frequency converter with a novel terminal installation structure according to claim 1, characterized in that: A wiring disk (11) is fixedly mounted on one outer wall of the terminal wiring disk (3), a connecting rod (12) is fixedly connected to one top end of the wiring disk (11), a wiring head (13) is fixedly connected to one top end of the connecting rod (12), and a buckle plug head (14) is fixedly connected to one top end of the terminal wiring disk (3).

4. The frequency converter with a novel terminal installation structure according to claim 3, characterized in that: A wiring slot (15) is provided on the front top surface of the terminal wiring board (3), a locking top plate (16) is detachably mounted on the top of the wiring slot (15), a first locking plate (17) is fixedly connected to one side of the locking top plate (16), a locking bottom plate (18) is detachably mounted on the bottom end of one side of the wiring slot (15), and a second locking plate (19) is fixedly connected to one side of the locking bottom plate (18).

5. The frequency converter with a novel terminal installation structure according to claim 4, characterized in that: The positions of the wiring tray (11) and the limiting slot (10) correspond one to one, and the connection relationship between the wiring tray (11) and the limiting slot (10) is a movable snap connection. The positions of the snap-on latch head (14) and the snap-on latch slot (8) correspond one to one, and the connection relationship between the snap-on latch head (14) and the snap-on latch slot (8) is a movable snap connection. The positions of the wiring head (13) and the power connection slot (9) correspond one to one, and the connection relationship between the wiring head (13) and the power connection slot (9) is a movable snap connection.

6. The frequency converter with a novel terminal installation structure according to claim 4, characterized in that: The first locking disc (17) and the second locking disc (19) are located on the same side, the cross-sectional area of ​​the first locking disc (17) is the same as the cross-sectional area of ​​the second locking disc (19), and the positions of the first locking disc (17) and the second locking disc (19) correspond one to one.

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