Elevator dedicated inverter production line

Abstract

The present invention discloses a special inverter production line for elevators, comprising: a carrier, on which a special inverter for elevators is carried and assembled; and an upper conveying device, which is used to convey the carrier carried thereon to each workstation in sequence along a first direction. Each of the workstations is provided with: a blocking device, which is suitable for preventing the carrier on the upper conveying device from continuing to move forward, so that the carrier stays at the workstation; and a lifting mechanism, which is suitable for lifting the carrier staying at the workstation upward in a vertical direction, so that the carrier is separated from the upper conveying device and supported on the lifting mechanism. In the present invention, the special inverter production line for elevators can realize the automated production of special inverters for elevators, greatly improve the production efficiency of special inverters for elevators, and greatly reduce the manufacturing cost of special inverters for elevators.

Description

Technical Field

[0001] The invention relates to a special frequency converter production line for elevators. Background Art

[0002] In the prior art, the assembly of the dedicated frequency converter for elevators is usually completed manually. This manual assembly scheme has the disadvantages of high labor intensity, high manufacturing cost and low work efficiency. Summary of the invention

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present invention, there is provided a production line for a dedicated frequency converter for elevators, comprising: a carrier, on which a dedicated frequency converter for elevators is carried and assembled; and an upper conveying device, which is used to convey the carrier carried thereon to each workstation in sequence in a first direction. Each of the workstations is provided with: a blocking device, which is suitable for preventing the carrier on the upper conveying device from continuing to move forward, so that the carrier stays at the workstation; and a lifting mechanism, which is suitable for lifting the carrier staying at the workstation upward in a vertical direction, so that the carrier is separated from the upper conveying device and supported on the lifting mechanism.

[0005] According to an exemplary embodiment of the present invention, after the carrier is lifted by the lifting mechanism and supported on the lifting mechanism, the operation task of the workstation is completed on the carrier.

[0006] According to another exemplary embodiment of the present invention, the lifting mechanism is provided with a fixing device suitable for fixing the carrier to prevent the carrier from shaking when performing an operating task at the workstation.

[0007] According to another exemplary embodiment of the present invention, after completing the operation task of a workstation, the lifting mechanism places the carrier back onto the upper conveying device, and the blocking device returns to a non-blocking position, so that the carrier can continue to move forward to the next workstation.

[0008] According to another exemplary embodiment of the present invention, the elevator-specific inverter production line includes an inverter housing assembly station, and an inverter housing assembly mechanism is arranged at the inverter housing assembly station, and the inverter housing assembly mechanism includes: a belt conveyor device, used to transport the inverter housing placed thereon to a predetermined position; a vacuum suction cup device, used to absorb the inverter housing from the belt conveyor device; a first servo moving mechanism, used to move the vacuum suction cup device so as to place the absorbed inverter housing on the carrier; and a first fixing mechanism, used to fix the inverter housing on the carrier by screws and / or clamps.

[0009] According to another exemplary embodiment of the present invention, the elevator-specific inverter production line also includes an inverter inductor assembly station, which is the next station of the inverter housing assembly station; an inverter inductor assembly mechanism is arranged at the inverter inductor assembly station, and the inverter inductor assembly mechanism includes: a storage bin for storing the inverter inductor; a grabber for grabbing the inverter inductor from the storage bin; and a second servo moving mechanism for moving the grabber so as to install the grabbed inverter inductor on the inverter housing that has been fixed on the carrier; a second fixing mechanism for fixing the inverter inductor to the inverter housing by screws.

[0010] According to another exemplary embodiment of the present invention, the elevator-specific inverter production line also includes an inverter heat dissipation module assembly station, which is the next station of the inverter inductor assembly station; an inverter heat dissipation module assembly mechanism is provided at the inverter heat dissipation module assembly station, and the inverter heat dissipation module assembly mechanism includes: a heat dissipation component assembly unit, which is used to install the radiator on the middle sheet metal to form a heat dissipation component; a grasping device, which is used to grasp the assembled heat dissipation component; a third servo moving mechanism, which is used to move the grasping device so as to place the grasped heat dissipation component into the inverter housing on which the inverter inductor has been installed; and a third fixing mechanism, which is used to fix the middle sheet metal of the heat dissipation component to the inverter housing by rivets.

[0011] According to another exemplary embodiment of the present invention, the elevator dedicated inverter production line also includes an inverter core electronic component assembly station, which is the next station of the inverter heat dissipation module assembly station; the inverter core electronic component assembly station is provided with an inverter core electronic component assembly mechanism, and the inverter core electronic component assembly mechanism includes: a first visual robot, used to grab the inverter IGBT module and the inverter PCBA module, and place the grabbed inverter IGBT module and inverter PCBA module at a predetermined position in the inverter housing; and a second visual robot, used to fix the inverter PCBA module to the inverter housing by screws.

[0012] According to another exemplary embodiment of the present invention, the elevator dedicated inverter production line also includes an inverter auxiliary electronic component assembly station, which is the next station of the inverter core electronic component assembly station; an inverter auxiliary electronic component assembly mechanism is provided at the inverter auxiliary electronic component assembly station, and the inverter auxiliary electronic component assembly mechanism includes: a third visual robot, used to install the inverter IPCBA module on the upper sheet metal to form an IPCBA assembly, and used to grab the IPCBA assembly and place the grabbed IPCBA assembly at a predetermined position in the inverter housing; a fourth fixing mechanism, used to fix the upper sheet metal of the IPCBA assembly to the inverter housing by rivets.

[0013] According to another exemplary embodiment of the present invention, the elevator dedicated inverter production line also includes at least one online testing station located downstream of the inverter auxiliary electronic component assembly station, and an online testing mechanism is provided at each online testing station, and each of the online testing mechanisms completes the same testing task.

[0014] According to another exemplary embodiment of the present invention, each of the online testing mechanisms is used to test the voltage withstand performance and control function of the assembled inverter on the carrier.

[0015] According to another exemplary embodiment of the present invention, the assembly time of each assembly station is the same and equal to the first time, the test time of each online test station is the same and equal to the second time, and the second time is K times the first time, K is a positive integer; a total of K online test stations are arranged on the elevator dedicated inverter production line, and the K online test stations are evenly spaced along the first direction.

[0016] According to another exemplary embodiment of the present invention, the elevator dedicated inverter production line also includes a labeling station located downstream of the online testing station, and a labeling mechanism is provided at the labeling station, and the labeling mechanism is used to stick a label on the assembled inverter on the carrier.

[0017] According to another exemplary embodiment of the present invention, the elevator-specific inverter production line also includes an unloading station, at which a gantry suction cup lifting device, a roller conveyor rack and an AGV transport vehicle are arranged; the gantry suction cup lifting device is used to absorb the assembled inverter from the carrier and place the absorbed inverter on the roller conveyor rack, the roller conveyor rack is suitable for conveying the inverter to the AGV transport vehicle, and the AGV transport vehicle is suitable for transporting the inverter to a predetermined destination.

[0018] According to another exemplary embodiment of the present invention, the elevator-specific inverter production line also includes: a lower-level conveying device, located directly below the upper-level conveying device, and used to transfer the empty carrier carried thereon from the downstream end of the upper-level conveying device to the upstream end of the upper-level conveying device; a first lifting mechanism, located at the upstream end of the upper-level conveying device, and used to transport the empty carrier from the lower-level conveying device to the upper-level conveying device; and a second lifting mechanism, located at the downstream end of the upper-level conveying device, and used to transport the empty carrier whose inverter has been removed from the upper-level conveying device to the lower-level conveying device.

[0019] According to another exemplary embodiment of the present invention, the upper conveying device and the lower conveying device are chain or belt conveyors.

[0020] In the aforementioned exemplary embodiments according to the present invention, the elevator dedicated inverter production line can realize the automated production of elevator dedicated inverters, greatly improve the production efficiency of elevator dedicated inverters, and greatly reduce the manufacturing cost of elevator dedicated inverters.

[0021] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A plan view showing a production line of a dedicated frequency converter for elevators according to an exemplary embodiment of the present invention;

[0023] Figure 2 show Figure 1 The schematic diagram of the blocking device and lifting mechanism at a workstation of the elevator dedicated inverter production line is shown. DETAILED DESCRIPTION

[0024] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0025] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0026] According to an overall technical concept of the present invention, a production line of a dedicated frequency converter for elevators is provided, comprising: a carrier, on which a dedicated frequency converter for elevators is carried and assembled; and an upper conveying device, which is used to convey the carrier carried thereon to each workstation in a first direction in sequence. Each of the workstations is provided with: a blocking device, which is suitable for preventing the carrier on the upper conveying device from continuing to move forward, so that the carrier stays at the workstation; and a lifting mechanism, which is suitable for lifting the carrier staying at the workstation upward in a vertical direction, so that the carrier is separated from the upper conveying device and supported on the lifting mechanism.

[0027] Figure 1 A plan view showing a production line of a dedicated frequency converter for elevators according to an exemplary embodiment of the present invention; Figure 2 show Figure 1 The schematic diagram of the blocking device and lifting mechanism at a workstation of the elevator dedicated inverter production line is shown.

[0028] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line includes a carrier 1 and an upper conveying device 10. The carrier (or pallet) 1 can be carried on the upper conveying device 10, and the upper conveying device 10 is used to transport the carrier 1 carried thereon forward in a first direction Y to each workstation in sequence (each workstation will be described in detail below). In the present application, the carrier 1 is used as an operating table for producing elevator dedicated inverters, and the elevator dedicated inverters are carried and assembled on the carrier 1.

[0029] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, a blocking device 310 and a lifting mechanism 320 are provided at each workstation of the elevator dedicated frequency converter production line. The blocking device 310 is suitable for preventing the carrier 1 on the upper conveying device 10 from continuing to move forward, so that the carrier 1 stays at the workstation. The lifting mechanism 320 is suitable for lifting the carrier 1 staying at the workstation upward along the vertical direction Z, so that the carrier 1 is separated from the upper conveying device 10 and supported on the lifting mechanism 320. In this way, the carrier 1 can be free from the influence of the upper conveying device 10.

[0030] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, after the carrier 1 is lifted by the lifting mechanism 320 and supported on the lifting mechanism 320 , the operating task of the workstation is completed on the carrier 1 .

[0031] like Figure 1 and Figure 2As shown, in the illustrated embodiment, the lifting mechanism 320 is provided with a fixing device (not shown) suitable for fixing the carrier 1 to prevent the carrier 1 from shaking when performing the operating task of the workstation.

[0032] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, after completing the operation task of one workstation, the lifting mechanism 320 puts the carrier 1 back onto the upper conveying device 10, and the blocking device 310 returns to the non-blocking position, so that the carrier 1 can continue to move forward to the next workstation.

[0033] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line includes an inverter housing assembly station, and an inverter housing assembly mechanism 110 is provided at the inverter housing assembly station. The inverter housing assembly mechanism 110 includes: a belt conveyor device for conveying the inverter housing placed thereon to a predetermined position; a vacuum suction cup device for sucking the inverter housing from the belt conveyor device; a first servo moving mechanism for moving the vacuum suction cup device so as to place the sucked inverter housing on the carrier 1; and a first fixing mechanism for fixing the inverter housing on the carrier 1 by screws and / or clamps. In the illustrated embodiment, the belt conveyor device in the inverter housing assembly mechanism 110 can move along the X, Y, and Z directions shown in the figure.

[0034] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line also includes an inverter inductor assembly station, which is the next station of the inverter housing assembly station. An inverter inductor assembly mechanism 120 is provided at the inverter inductor assembly station. The inverter inductor assembly mechanism 120 includes: a storage bin for storing inverter inductors; a grabber for grabbing inverter inductors from the storage bin; and a second servo moving mechanism for moving the grabber so as to install the grabbed inverter inductor on the inverter housing that has been fixed on the carrier 1; a second fixing mechanism for fixing the inverter inductor on the inverter housing by screws. In the illustrated embodiment, the second servo moving mechanism in the inverter inductor assembly mechanism 120 can move along the X, Y, and Z directions shown in the figure.

[0035] like Figure 1 and Figure 2As shown, in the illustrated embodiment, the elevator dedicated inverter production line also includes an inverter heat dissipation module assembly station, which is the next station of the inverter inductor assembly station. The inverter heat dissipation module assembly station is provided with inverter heat dissipation module assembly mechanisms 150, 140, 131, which include: a heat dissipation component assembly unit 150, used to install the heat sink on the middle sheet metal to form a heat dissipation component; a gripping device 140, used to grip the assembled heat dissipation component; a third servo moving mechanism, used to move the gripping device so as to place the gripped heat dissipation component into the inverter housing with the inverter inductor installed; and a third fixing mechanism 131, used to fix the middle sheet metal of the heat dissipation component to the inverter housing by rivets.

[0036] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line also includes an inverter core electronic component assembly station, which is the next station of the inverter heat dissipation module assembly station. An inverter core electronic component assembly mechanism 160 is provided at the inverter core electronic component assembly station, and the inverter core electronic component assembly mechanism 160 includes: a first visual robot for grabbing an inverter IGBT (Insulated Gate Bipolar Transistor) module and an inverter PCBA (Printed Circuit Board Assembly) module, and placing the grabbed inverter IGBT module and inverter PCBA module at a predetermined position in the inverter housing; and a second visual robot for fixing the inverter PCBA module to the inverter housing by screws.

[0037] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line also includes an inverter auxiliary electronic component assembly station, which is the next station of the inverter core electronic component assembly station. The inverter auxiliary electronic component assembly station is provided with an inverter auxiliary electronic component assembly mechanism 170, 132, which includes: a third visual robot 170, used to install the inverter IPCBA module (or auxiliary circuit board module) on the upper sheet metal to form an IPCBA assembly, and used to grab the IPCBA assembly and place the grabbed IPCBA assembly at a predetermined position in the inverter housing; a fourth fixing mechanism 132, used to fix the upper sheet metal of the IPCBA assembly to the inverter housing by rivets.

[0038] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line also includes at least one online testing station located downstream of the inverter auxiliary electronic component assembly station, and an online testing mechanism 180 is provided at each online testing station, and each online testing mechanism 180 completes the same testing task.

[0039] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, each online testing mechanism 180 is used to test the withstand voltage performance and control function of the assembled inverter on the carrier 1 .

[0040] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the assembly time of each assembly station is the same and equal to the first time, the test time of each online test station is the same and equal to the second time, and the second time is K times the first time, K is a positive integer; a total of K online test stations are arranged on the elevator dedicated inverter production line, and the K online test stations are evenly spaced along the first direction Y. In the illustrated embodiment, the test time of each online test station is 3 times the assembly time of each assembly station. Therefore, in order to adapt to the assembly time of the assembly station, in this application, 3 online test stations are arranged in sequence on the production line, so as to ensure the smoothness and efficiency of the entire production line.

[0041] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated inverter production line further includes a labeling station located downstream of the online testing station, and a labeling mechanism 133 is provided at the labeling station, and the labeling mechanism 133 is used to affix labels to the assembled inverters on the carrier 1. In one embodiment of the present application, a qualified label may be affixed only to the inverters that have been tested as qualified products, and no label or a failed label may be affixed to the inverters that have been tested as unqualified products.

[0042] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator-specific inverter production line also includes unloading stations 190, 210, and 200, at which gantry suction cup lifting devices 190, roller conveyor racks 210, and AGV transport vehicles 200 are provided; the gantry suction cup lifting device 190 is used to absorb the assembled inverter from the carrier 1 and place the absorbed inverter on the roller conveyor rack 210, the roller conveyor rack 210 is suitable for conveying the inverter to the AGV transport vehicle 200, and the AGV transport vehicle 200 is suitable for transporting the inverter to a predetermined destination.

[0043] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the elevator dedicated frequency converter production line further includes a lower conveying device 20, a first lifting mechanism 101 and a second lifting mechanism 102. The lower conveying device 20 is located directly below the upper conveying device 10, and is used to transfer the empty carrier 1 carried thereon from the downstream end of the upper conveying device 10 to the upstream end of the upper conveying device 10. The first lifting mechanism 101 is located at the upstream end of the upper conveying device 10, and is used to transport the empty carrier 1 from the lower conveying device 20 to the upper conveying device 10. The second lifting mechanism 102 is located at the downstream end of the upper conveying device 10, and is used to transport the empty carrier 1 from which the frequency converter has been removed from the upper conveying device 10 to the lower conveying device 20.

[0044] like Figure 1 and Figure 2 As shown, in the illustrated embodiment, the upper conveying device 10 and the lower conveying device 20 are chain or belt conveyors.

[0045] Those skilled in the art can understand that the embodiments described above are exemplary and can be improved by those skilled in the art. The structures described in various embodiments can be freely combined without causing conflicts in structure or principle.

[0046] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.

[0047] Although some embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the scope of which is defined by the claims and their equivalents.

[0048] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.

Claims

1. A special inverter production line for elevators, comprising: A carrier (1), on which the elevator-specific frequency converter is carried and assembled; and The upper conveying device (10) is used to convey the carrier (1) mounted thereon forward in a first direction to each workstation in sequence. Features: Each of the workstations is provided with: A blocking device (310) adapted to prevent the carrier (1) on the upper conveying device (10) from continuing to move forward, so that the carrier (1) stays at the workstation; and The lifting mechanism (320) is adapted to lift the carrier (1) resting at the workstation upward from the bottom of the carrier in a vertical direction to lift the carrier, so that the carrier (1) is separated from the upper conveying device (10) and supported on the lifting mechanism (320). The elevator dedicated inverter production line includes a plurality of assembly stations and at least one online testing station, wherein the plurality of assembly stations include an inverter auxiliary electronic component assembly station, and the at least one online testing station is located downstream of the inverter auxiliary electronic component assembly station. The assembly time of each of the assembly stations is the same and equal to the first time, the test time of each of the online test stations is the same and equal to the second time, and the second time is K times the first time, where K is a positive integer; A total of K online testing stations are arranged on the elevator dedicated frequency converter production line, and the K online testing stations are evenly spaced and distributed along the first direction.

2. The elevator dedicated inverter production line according to claim 1 is characterized in that: After the carrier (1) is lifted by the lifting mechanism (320) and supported on the lifting mechanism (320), the operating task of the workstation is completed on the carrier (1).

3. The elevator dedicated inverter production line according to claim 2 is characterized in that: The lifting mechanism (320) is provided with a fixing device suitable for fixing the carrier (1) to prevent the carrier (1) from shaking when performing an operation task at the workstation.

4. The elevator dedicated inverter production line according to claim 2 is characterized in that: After completing the operation task of a workstation, the lifting mechanism (320) places the carrier (1) back onto the upper conveying device (10), and the blocking device (310) retracts to a non-blocking position, so that the carrier (1) can continue to move forward to the next workstation.

5. The elevator dedicated inverter production line according to claim 1 is characterized in that: The elevator dedicated frequency converter production line comprises a frequency converter housing assembly station, wherein a frequency converter housing assembly mechanism (110) is arranged at the frequency converter housing assembly station, and the frequency converter housing assembly mechanism (110) comprises: A belt conveyor device, used for conveying the inverter housing placed thereon to a predetermined position; A vacuum suction cup device, used for sucking the inverter housing from the belt conveyor; A first servo moving mechanism, used for moving the vacuum suction cup device so as to place the sucked inverter housing onto the carrier (1); and The first fixing mechanism is used to fix the inverter housing on the carrier (1) by means of screws and / or clamps.

6. The elevator dedicated inverter production line according to claim 5, characterized in that: The elevator dedicated inverter production line also includes an inverter inductor assembly station, and the inverter inductor assembly station is the next station of the inverter housing assembly station; A frequency converter inductor assembly mechanism (120) is provided at the frequency converter inductor assembly station, and the frequency converter inductor assembly mechanism (120) comprises: A storage bin, used for storing the inverter inductor; A grabber, used for grabbing the inverter inductor from the storage bin; and A second servo moving mechanism is used to move the gripper so as to install the gripped inverter inductor onto the inverter housing fixed on the carrier (1); The second fixing mechanism is used to fix the inverter inductor on the inverter housing by screws.

7. The elevator dedicated inverter production line according to claim 6, characterized in that: The elevator dedicated inverter production line also includes an inverter heat dissipation module assembly station, and the inverter heat dissipation module assembly station is the next station of the inverter inductor assembly station; The inverter heat dissipation module assembly station is provided with an inverter heat dissipation module assembly mechanism, and the inverter heat dissipation module assembly mechanism includes: A heat dissipation assembly assembly unit (150) is used to mount the heat sink on the middle sheet metal to form a heat dissipation assembly; A grabbing device (140) for grabbing the assembled heat dissipation component; a third servo moving mechanism, used for moving the grabbing device so as to place the grabbed heat dissipation component into the inverter housing on which the inverter inductor has been installed; and The third fixing mechanism (131) is used to fix the middle sheet metal of the heat dissipation assembly to the inverter housing by means of rivets.

8. The elevator dedicated inverter production line according to claim 7, characterized in that: The elevator dedicated inverter production line also includes an inverter core electronic component assembly station, and the inverter core electronic component assembly station is the next station of the inverter heat dissipation module assembly station; A frequency converter core electronic component assembly mechanism (160) is provided at the frequency converter core electronic component assembly station. The frequency converter core electronic component assembly mechanism (160) comprises: A first visual robot is used to grab the inverter IGBT module and the inverter PCBA module, and place the grabbed inverter IGBT module and inverter PCBA module at a predetermined position in the inverter housing; and The second visual robot is used to fix the inverter PCBA module to the inverter housing by screws.

9. The elevator dedicated inverter production line according to claim 8, characterized in that: The inverter auxiliary electronic component assembly station is the next station of the inverter core electronic component assembly station; The inverter auxiliary electronic component assembly station is provided with an inverter auxiliary electronic component assembly mechanism, and the inverter auxiliary electronic component assembly mechanism includes: a third visual robot (170), used for mounting the inverter IPCBA module on the upper sheet metal to form an IPCBA assembly, and for grabbing the IPCBA assembly and placing the grabbed IPCBA assembly at a predetermined position in the inverter housing; The fourth fixing mechanism (132) is used to fix the upper sheet metal of the IPCBA assembly to the inverter housing by means of rivets.

10. The elevator dedicated inverter production line according to claim 9, characterized in that: An online testing mechanism (180) is arranged at each online testing station, and each online testing mechanism (180) completes the same testing task.

11. The elevator dedicated inverter production line according to claim 10, characterized in that: Each of the online testing mechanisms (180) is used to test the withstand voltage performance and control function of the frequency converter assembled on the carrier (1).

12. The elevator dedicated inverter production line according to claim 10, characterized in that: The elevator dedicated frequency converter production line further comprises a labeling station located downstream of the online testing station, wherein a labeling mechanism (133) is provided at the labeling station, and the labeling mechanism (133) is used to attach a label to the assembled frequency converter on the carrier (1).

13. The elevator dedicated inverter production line according to claim 12, characterized in that: The elevator-specific frequency converter production line also includes an unloading station, at which a gantry suction cup lifting device (190), a roller conveyor shelf (210) and an AGV transport vehicle (200) are arranged; The gantry suction cup lifting device (190) is used to suck up the assembled frequency converter from the carrier (1) and place the sucked frequency converter on a roller conveyor shelf (210); the roller conveyor shelf (210) is suitable for conveying the frequency converter to an AGV transport vehicle (200); and the AGV transport vehicle (200) is suitable for transporting the frequency converter to a predetermined destination.

14. The elevator dedicated inverter production line according to claim 13, characterized in that: The elevator dedicated frequency converter production line also includes: A lower conveying device (20) is located directly below the upper conveying device (10) and is used to transfer an empty carrier (1) mounted thereon from the downstream end of the upper conveying device (10) to the upstream end of the upper conveying device (10); a first lifting mechanism (101), located at the upstream end of the upper conveying device (10), and used for transporting an empty carrier (1) from the lower conveying device (20) to the upper conveying device (10); and The second lifting mechanism (102) is located at the downstream end of the upper conveying device (10) and is used to transport an empty carrier (1) from which the frequency converter has been removed from the upper conveying device (10) to the lower conveying device (20).

15. The elevator dedicated inverter production line according to claim 14, characterized in that: The upper conveying device (10) and the lower conveying device (20) are chain or belt conveyors.

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