System comprising a first storage module, a second storage module and an inverter motor having a junction box

WO2026201448A1PCT designated stage Publication Date: 2026-10-01SEW EURODRIVE GMBH & CO KG
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Patent Information

Application Number
PCT/EP2026/054808
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-03-28
Filing Date
2026-02-23
Publication Date
2026-10-01

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Abstract

The invention relates to a system comprising a first storage module, a second storage module and an inverter motor having a junction box, wherein the junction box has an upper part placed on a lower part of the junction box, wherein an electronic circuit is arranged in the upper part, wherein the electronic circuit can be connected or is connected to a data bus for exchanging data, wherein optionally either a first storage module or a second storage module can be interlockingly connected to the upper part, wherein the first storage module has a housing part which has a first colour, and the second storage module has a housing part which has a second colour, wherein a safety-oriented or a non-safety-oriented communication variant is used depending on the storage module electrically connected to the upper part.
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Description

[0001] System comprising a first storage module, a second storage module and an inverter motor with a terminal box

[0002] Description:

[0003] The invention relates to a system comprising a first storage module, a second storage module and an inverter motor with a terminal box.

[0004] It is generally known that an inverter motor comprises an electric motor and an inverter integrated into the motor that supplies power to the electric motor.

[0005] A drive is known from DE 102005042599 A1.

[0006] A current sensor and / or voltage sensor is known from US 2015 / 0192619 A1.

[0007] A connector with a memory card is known from EP 3736916 A1.

[0008] A converter motor is known from DE 102010047762 A1.

[0009] An electrical appliance is known from DE 102021 000347 A1.

[0010] From EP 2835699 A1 a method for configuring a safety controller is known.

[0011] A safety control module is known from EP 3163390 A1.

[0012] The invention is therefore based on the objective of making a converter motor versatile and safe to operate.

[0013] According to the invention, the problem is solved in the system according to the features specified in claim 1.

[0014] ISI \ EIDOPAT 23.02.2026 Important features of the invention in the system comprising a first storage module, a second storage module and an inverter motor with a terminal box are that the terminal box has a top part mounted on a lower part of the terminal box,

[0015] wherein an electronic circuit, in particular an inverter for supplying the electric motor of the inverter motor, is arranged in the upper part,

[0016] wherein the electronic circuit is connectable or connected to a data bus for the exchange of data, in particular according to a communication variant,

[0017] wherein either a first memory module or a second memory module can be positively connected to the upper part, in particular snap-fit ​​connected,

[0018] wherein the first memory module has a housing part having a first color, in particular a first dye, and the second memory module has a housing part having a second color, in particular a second dye,

[0019] where, depending on the storage module connected to the upper part, in particular electrically connected to the electronic circuit, a safety-oriented or a non-safety-oriented communication variant is used.

[0020] The advantage here is that the safety-related storage module can be reliably identified using the dye, thus ensuring that the operating mode can be reliably determined and that the inverter motor can be operated safely.

[0021] In particular, the inverter motor is therefore versatile and can be provided and operated with increased safety.

[0022] In an advantageous embodiment, the first color, and in particular the first dye, differs from the second color, and in particular the second dye. The advantage here is that the type of activated communication variant can be identified based on the dye used.

[0023] In a preferred embodiment, the first color is fluorescent, and in particular, the first dye is a fluorescent dye. The advantage here is that reliable detection, and therefore safety, is increased. Even in poor lighting conditions, the safety-oriented variant is quickly and clearly recognizable. Thus, safety is improved.

[0024] In an advantageous design, each memory module contains at least one identifier of the communication variant and

[0025] a safety key

[0026] The data is stored and readable by the electronic circuit. An advantage of this is that the type of communication, in particular the communication variant, is stored in the memory module, along with a safety key that is always present, even when not in use. In the latter case, the safety key is implemented in a simple manner.

[0027] In an advantageous embodiment, the identifier of the communication variant in the first storage module identifies the safety-oriented communication variant, in particular for which the safety key is suitably designed, and

[0028] In the second memory module, the identifier of the communication variant designates the non-security-related communication variant. The advantage here is that security is increased.

[0029] In an advantageous embodiment, a locking tongue protruding from the housing part of the memory module is formed on a first side of the housing part,

[0030] which is arranged to be elastically deflectable and / or is shaped to engage with a locking lug. The advantage here is that a secure connection is achieved.

[0031] In an advantageous embodiment, a support area is formed on the side of the housing part opposite the first side, which is supported by an elastically deflectable tab area of ​​a cover part of the upper part. The advantage here is that the storage module is securely supported.

[0032] In an advantageous embodiment, the locking lug is formed on a hollow receiving area of ​​the cover part and projects from it, particularly into the hollow recess. The advantage here is that a positive-locking, secure connection is achieved by snapping it into place. In another advantageous embodiment, a continuous recess is provided in the cover part, which surrounds the elastically deflectable tab area with a single interruption.

[0033] In particular, the tab area at the only break is connected to the rest of the cover part and / or is made as a single piece with the cover part. An advantage of this is that the recess increases the elasticity of the tab area.

[0034] In an advantageous embodiment, the locking tongue projects beyond the receiving area on the side of the receiving area facing away from the connector part, particularly in the insertion direction of the connector part. An advantage of this is that the locking tongue provides a large dye-colored surface, thus facilitating visual color recognition and thereby increasing safety.

[0035] In an advantageous embodiment, the elastically deflectable tab area extends perpendicular to the insertion direction of the connector part. The advantage here is that the elasticity is improved.

[0036] In a preferred embodiment, a printed circuit board section is integrated into the memory module, on which the connector component is mounted. The advantage here is that the memory module can be connected quickly and easily.

[0037] In a preferred design, the cover part is manufactured as a plastic injection-molded part. The advantage here is that the cover part can be manufactured cost-effectively.

[0038] In a preferred embodiment, the printed circuit board section is inserted into two opposing, parallel internal grooves of the housing part. The advantage here is that a simple and secure connection is enabled.

[0039] Key features of the inverter motor with terminal box are that the terminal box has a top part mounted on a lower part of the terminal box,

[0040] wherein an electronic circuit, in particular a converter for supplying the electric motor of the converter motor, is arranged in the upper part, wherein the electronic circuit can be connected or is connected to a data bus for exchanging data, in particular according to a communication variant,

[0041] wherein a first storage module is positively connected to the upper part, in particular snap-fit ​​connected,

[0042] wherein a locking tongue is formed on a first side of the housing part of the memory module and a support area is formed on the side of the housing part opposite the first side, which is supported on an elastically deflectable tab area of ​​a cover part of the upper part.

[0043] The advantage here is that the memory module contains parameters that can be read by the electrical device, and the device's operating mode is activated based on these parameters. The electrical device is designed so that the memory module's parameters are read as soon as it is started, thus determining and activating the appropriate operating mode. In this way, a functionally safe operating mode is either activated or deactivated during operation, thereby increasing safety.

[0044] Further advantages arise from the dependent claims. The invention is not limited to the combination of features of the claims. For those skilled in the art, further meaningful combinations of claims and / or individual claim features and / or features of the description and / or the figures will become apparent, in particular from the problem statement and / or the problem arising from a comparison with the prior art. The invention will now be explained in more detail with reference to schematic illustrations:

[0045] Figure 1 shows an inverter motor according to the invention with a terminal box in an oblique view, wherein the terminal box has a top part 6 mounted on a lower part 7 of the terminal box.

[0046] Figure 2 shows a section of the inside of the upper part 6 facing the lower part 7, in which a storage module is snapped into place and received, the connector part of which is 31.

[0047] Figure 3 shows a side view of the cut area, where the cutting plane does not intersect the connector part 31.

[0048] Figure 4 shows a cross-section through the area, with the section plane intersecting the connector part 31.

[0049] Figure 5 shows the memory module in an oblique view from a first viewing direction.

[0050] Figure 6 shows the memory module in an oblique view from a second viewing direction.

[0051] As shown in the figures, the drive, in particular the inverter motor, has an electric motor which has a terminal box formed from the trough-shaped lower part 7, which is open towards the upper part 6 and whose opening is covered by the upper part 6 and the aperture 1, which is arranged in the axial direction in front of the upper part 6.

[0052] The upper part 6 has prominent cooling fins on its side facing away from the lower part 7, which serve to dissipate waste heat from the electronic components arranged in the terminal box.

[0053] These components are mounted on a printed circuit board 30, which is located in the upper part 6 and covered by a cover part towards the lower part 7. Thus, the printed circuit board 30 is enclosed by the cover part together with the upper part 6. Preferably, the cover part is made of an electrically insulating material, such as a plastic.

[0054] A receiving area 23 is formed on the cover part, in which a storage module for saving parameters is included.

[0055] This memory module has a housing part 20 which encloses a printed circuit board part 21 equipped with electronic components and a connector part 31, wherein the connector part 31 protrudes through a recess of the housing part 20 and is inserted into a mating connector part 32 mounted on the printed circuit board 30.

[0056] The parameters can therefore be read by a microprocessor or microcontroller mounted on the circuit board 30 and used for controlling and regulating the electric motor.

[0057] Furthermore, non-circular bolts 50 protrude from the housing part 20, which engage in correspondingly shaped recesses in the circuit board 30. Thus, the memory module is stably connected to the circuit board 30. Both the housing part 20 and the circuit board section 21 are connected to the circuit board 30 via the populated connector part 31.

[0058] A support area 24 projects from the housing part 20 and rests on a tab area 25 of the cover part. This tab area 25 is designed on the cover part like a spring tongue and is therefore elastically deflectable. For this purpose, a continuous recess is provided in the cover part, which surrounds the tab area 25 with a single interruption. Thus, the tab area 25 is connected to the rest of the cover part at this single interruption and is formed integrally with the cover part.

[0059] The support area 24, which rests on the tab area 25, is therefore pressed in the direction parallel to the insertion direction of the connector part 31.

[0060] Furthermore, a locking tongue 22 is formed on the housing part 20, which protrudes particularly on the side of the housing part opposite the support area 24 and is elastically deflectable.

[0061] This locking tongue 22 is engaged in an undercut of the receiving area 23. By elastically deflecting the locking tongue 22 towards the housing part 20, the locking tongue 22 comes out of the undercut and thus the memory module can be removed.

[0062] The housing part 20 of the memory module, together with the locking tongue 22 and the support area 24, is made in one piece, in particular in one piece, and is finished with a first color.

[0063] The first memory module described above can be replaced by a second memory module which is identical in construction, in particular mechanically and geometrically identical, but has a housing part 20 that is finished in a second color.

[0064] The first color is designed differently than the second color.

[0065] The electronic components mounted on the circuit board form an electronic circuit which executes a different operating mode, particularly a different communication variant, depending on the information stored in the memory module. The electronic circuit exchanges data via a data bus, utilizing the communication variant determined by reading the parameters of the memory module.

[0066] For example, a Profibus data bus is used as the data bus and "ProfiNet" or "ProfiSafe" is used as the communication variant, in particular non-safety-oriented data transmission or safety-oriented data transmission.

[0067] This is because the parameters stored in the memory module include not only application data, but also an identifier for the communication variant and a safety key.

[0068] The color thus makes it quick and easy to identify the communication variant used, whereby the safety key read from the memory module is used in the safety-oriented communication variant.

[0069] The externally visible color thus identifies the activated communication variant and the safety key used for safety-related communication. Preferably, the housing part 20 is manufactured as an injection-molded plastic part, with the color of the plastic used being selected accordingly, in particular the first or second color being used.

[0070] In further embodiments according to the invention, a different data bus, in particular Ethernet, is used and the communication variant “Ethernet IP” or “CIP SAFETY” is used, in particular non-safety-oriented data transmission or safety-oriented data transmission.

[0071] In further embodiments according to the invention, a fluorescent color is used to identify the safety-related communication variant and a non-fluorescent color is used for the non-safety-related communication variant.

[0072] In this context, "color" always refers to the dye added to the plastic. Reference symbol list

[0073] 1 Aperture, in particular cover part

[0074] 2 Connector part, especially for supply line

[0075] 3. Sealing screw, especially for covering a data interface. 4. Connector part, especially for wiring.

[0076] 5 Display area

[0077] 6. Top part of the junction box

[0078] 7 Lower part of the junction box

[0079] 20 Housing part

[0080] 21 pieces of printed circuit board

[0081] 22 Locking tongue

[0082] 23 Receiving area of ​​the cover part

[0083] 24 Support area

[0084] 25 tab area

[0085] 30 circuit boards

[0086] 31 Connector part

[0087] 32 mating connector part

[0088] 50 bolts, non-round

Claims

Patent claims:

1. System comprising a first storage module, a second storage module and an inverter motor with a terminal box, wherein the junction box has a top part mounted on a lower part of the junction box, wherein an electronic circuit, in particular an inverter for supplying the electric motor of the inverter motor, is arranged in the upper part, wherein the electronic circuit is connectable or connected to a data bus for the exchange of data, in particular according to a communication variant, characterized by the fact that optionally either a first memory module or a second memory module can be positively connected to the upper part, in particular by snap-fit ​​connection, wherein the first memory module has a housing part having a first color, in particular a first dye, and the second memory module has a housing part having a second color, in particular a second dye, 2. System according to claim 1, wherein, depending on the storage module connected to the upper part, in particular electrically connected to the electronic circuit, a safety-oriented or a non-safety-oriented communication variant is used. characterized by the fact that the first color, especially the first dye, is different from the second color, especially the second dye.

3. System according to claim 1 , characterized by the fact that the first color is fluorescent, in particular the first dye is a fluorescent dye.

4. System according to any of the preceding claims, characterized by the fact that at least in each memory module an identifier of the communication variant and a safety key stored and readable by the electronic circuit.

5. System according to any of the preceding claims, characterized by the fact that The first memory module contains the identifier of the communication variant, specifically the safety-oriented communication variant, for which the safety key is suitable. In the second memory module, the identifier of the communication variant identifies the non-security-oriented communication variant.

6. System according to any of the preceding claims, characterized by the fact that On one side of the housing part of the memory module, a locking tongue is formed that protrudes from the housing part. which is arranged to be elastically deflectable and / or is shaped to be suitable for snapping onto a locking lug.

7. System according to one of the preceding claims, characterized by the fact that A support area is formed on the side of the housing part opposite the first side, which is supported on an elastically deflectable tab area of ​​a cover part of the upper part.

8. System according to any of the preceding claims, characterized by the fact that The locking lug is formed on a hollow receiving area of ​​the cover part and protrudes, in particular, into the hollow shape.

9. System according to any of the preceding claims, characterized by the fact that a continuous recess is incorporated in the cover part, which surrounds the elastically deflectable tab area with a single interruption, in particular so that the tab area at the only interruption is connected to the rest of the cover part and / or is made in one piece with the cover part.

10. System according to any of the preceding claims, characterized by the fact that The locking tongue protrudes beyond the receiving area on the side of the receiving area facing away from the connector part, particularly in the insertion direction of the connector part.

11. System according to any of the preceding claims, characterized by the fact that The elastically deflectable tab area extends perpendicular to the insertion direction of the connector part.

12. System according to any of the preceding claims, characterized by the fact that The memory module contains a printed circuit board section on which the connector part is mounted.

13. System according to one of the preceding claims, characterized by the fact that The cover part is manufactured as a plastic injection molded part.

14. System according to any of the preceding claims, characterized by the fact that The printed circuit board section is inserted into two opposing, parallel inner grooves of the housing part.

15. Inverter motor with terminal box, in particular a system according to one of the preceding claims, wherein the junction box has a top part mounted on a lower part of the junction box, wherein an electronic circuit, in particular an inverter for supplying the electric motor of the inverter motor, is arranged in the upper part, wherein the electronic circuit is connectable or connected to a data bus for the exchange of data, in particular according to a communication variant, characterized by the fact that a first storage module is positively connected to the upper part, in particular snap-fit ​​connected, wherein a locking tongue is formed on a first side of the housing part of the memory module and a support area is formed on the side of the housing part opposite the first side, which is supported on an elastically deflectable tab area of ​​a cover part of the upper part.