EP4420201A1 - Netzkabel, elektrisches gerät und kommunikationssystem - Google Patents
Netzkabel, elektrisches gerät und kommunikationssystemInfo
- Publication number
- EP4420201A1 EP4420201A1 EP22792828.0A EP22792828A EP4420201A1 EP 4420201 A1 EP4420201 A1 EP 4420201A1 EP 22792828 A EP22792828 A EP 22792828A EP 4420201 A1 EP4420201 A1 EP 4420201A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical device
- functional unit
- interface
- communication
- mains cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
Definitions
- the invention relates to a power cord for an electrical device, the power cord having a plug and a functional unit.
- the connector includes a first group of contacts for supplying power to the electrical device and a second group of contacts for data transmission between the power cord and the electrical device.
- the functional unit has a first interface for data exchange between the electrical device and the functional unit.
- the invention relates to such an electrical device that can be connected to the proposed mains cable for the purpose of power supply.
- the invention relates to a system with a mains cable, an electrical device and a further electrical device, with a communication option between the mains cable and the further electrical device being able to be provided by means of a second interface of the functional unit of the mains cable. With the invention, communication between the mains cable and a first and/or a second electrical device can advantageously be made possible.
- machine tools In the field of machine tools, machine tools are known in which the energy supply can be guaranteed via a public or construction site energy network. Such mains-operated machine tools can be powerful and can be used flexibly, provided that a public or construction site energy network is available. In addition to mains-operated machine tools, cordless machine tools are also increasingly being used on construction sites, where the energy supply is ensured with the help of accumulators (“accumulators”) or batteries. For the purposes of the invention, such machine tools are preferably also referred to as “rechargeable battery-powered or battery-operated machine tools”.
- a recent development in the field of machine tools provides that machine tools should be able to communicate with other devices on a construction site.
- Such a communication capability which is preferably referred to as “connectivity” within the meaning of the invention, can be provided in a particularly simple manner in the case of accumulator or battery-operated machine tools, for example by the accumulators or the batteries being “smart” in design.
- the wording "smart” is understood within the meaning of the invention in such a way that smart accumulators and/or batteries ria are capable of enabling connectivity of the machine tool to which they are connected to another device.
- the object on which the present invention is based is therefore to provide an electrical device that is able to communicate with other devices, in particular in its environment.
- a technical solution for enabling such connectivity is to be specified, which can be implemented in a particularly simple and uncomplicated manner, for example in the field of machine tools.
- a further object of the invention is to specify a communication system in which two or more electrical devices can communicate with one another, at least one of the electrical devices being a mains-operated electrical device.
- a power cord for an electrical device having a plug and a functional unit.
- the plug includes a first group of contacts for supplying power to the electrical device and a second group of contacts for data transmission between the power cable and the electrical device.
- the functional unit has a first interface for data exchange between the electrical device and the functional unit.
- the power cord can be connected to the electrical device using the plug. This can be done in particular via a plug connection.
- the electrical device can in particular be designed as a machine tool, preferably as a mains-operated machine tool. Machine tools can be, for example, but are not limited to, screwdriving devices, separating or cutting devices, grinding devices, saws, chisels, core drilling devices and simple drilling devices and/or setting devices.
- these electrical devices can be equipped with the mains cable and can be connected to a public or construction site power supply system using the mains cable in order to ensure an energy or power supply. In other words, the electrical device can obtain the energy required for its operation from an energy network using the proposed mains cable. hen.
- the plug of the power cord is used in particular to connect the power cord to the electrical device.
- the electrical device can be a machine tool that is not operated by an accumulator or battery, but can be connected to a public and/or construction site power supply system with a mains cable.
- the mains cable proposed in the context of this invention can be used for this connection.
- the connector preferably includes an electrical connector assembly formed by two sets of contacts.
- the first group of contacts is set up to supply the electrical device with electrical energy
- the second group of contacts is set up to enable data transmission between the mains cable and the electrical device.
- the electrical connection arrangement with the two groups of contacts forms a wired or line-bound interface, the terms “wired” and “line-bound” preferably being used synonymously for the purposes of the invention.
- the first group of the electrical connection arrangement preferably comprises a number of one to four contacts, preferably two contacts. It is preferred within the meaning of the invention that the second group of the electrical connection arrangement also has a number of one to four contacts, preferably two contacts.
- the electrical connection arrangement can thus in particular form a four-wire interface, with the four-wire interface preferably being set up both to supply energy to the electrical device and to enable communication between the mains cable and the electrical device.
- the first group and the second group of contacts preferably form a wired interface within the plug of the mains cable, it being possible for the electrical device to be connected to the mains cable with the aid of the plug.
- the plug of the proposed mains cable includes a wired interface, with the wired interface preferably being designed as a four-wire interface.
- a socket of the plug preferably comprises, in particular, two power supply contacts and two communication contacts. It is preferred within the meaning of the invention that the two power supply contacts form the first group of contacts of the plug, while the two communication contacts form the second group of contacts of the plug.
- the power supply contacts and the communication contacts together form the electrical connection arrangement of the plug of the proposed power cord.
- the first group and the second group of contacts form a wired interface within the plug of the power cord.
- the contacts can also be referred to as pins within the meaning of the invention, with the terms “pin” and “contact” preferably being used synonymously within the meaning of the invention.
- the connector comprises a first group of first pins for supplying power to the electrical device, and a second group of second pins for data transmission between the mains cable and the electrical device.
- the first pins preferably represent power supply contacts of the plug, while the second pins form communication contacts of the plug.
- the pins or the power supply contacts and the communication contacts preferably form the electrical connection arrangement of the plug or the proposed mains plug, it being possible for the mains cable to be connected to the electrical device to be supplied with power via the electrical connection arrangement or via the plug.
- the power cord includes a functional unit that has a first interface for data exchange between the electrical device and the functional unit.
- This first interface of the functional unit of the proposed mains cable is preferably designed as a wired interface.
- this electrical connection is formed between a wired interface of the plug and the functional unit, with the wired interface preferably comprising the contacts of the first and second groups and forming the electrical connection arrangement of the plug.
- the functional unit is arranged on or in the power cable.
- the functional unit can be integrated in the power cable.
- the functional unit can be arranged in an outer area of the mains cable.
- the functional unit preferably has a first interface and a second interface, with the first interface of the functional unit preferably being set up to allow data to be exchanged between the electrical device and the mains cable, in particular its functional unit.
- the first interface of the functional unit thus forms a communication module of the mains cable or of the functional unit and can preferably also be referred to as a "communication module".
- the functional unit of the mains cable has a second interface, the second interface being set up to enable wireless communication with another electrical device.
- the second interface is in the form of a wireless interface.
- the mains cable can be used to enable connectivity between the electrical device and another electrical device.
- the first electrical device can be made “smart” or connective by using the proposed mains cable, without structural changes having to be made to the electrical device for this purpose.
- the proposed mains cable can be used to enable communication or data exchange between two electrical devices, with at least one of the devices being a mains-operated electrical device that can be supplied with electrical energy via the mains cable .
- the communication or data exchange between the electrical devices preferably takes place wirelessly, although data transmission between the functional unit and the first electrical device takes place by wire within the mains cable.
- the communication between the electrical devices preferably represents a combination of wireless and wired communication.
- the wireless portion of the communication has the advantage that no cabling is required between the electrical devices communicating with one another. This is advantageous because cables can pose a safety risk, particularly on construction sites or in public spaces. Avoiding additional cables can thus contribute to making a construction site safer.
- a further advantage of the invention is that no complex structural changes have to be made to the first electrical device in order to enable connectivity.
- particularly cost-effective communication between electrical devices can be made possible with the invention.
- no additional contact protection is required on the electrical device.
- the mains cable can be replaced in a particularly simple and uncomplicated manner if a different or new communication method is to be used for communication between the electrical devices involved. If the communication between the first electrical device and the other electrical device was initially based on 2G, for example, and is to be switched to Bluetooth in the future, a different mains cable can simply be used be used to supply power to the electrical device, this other or new power cord being set up to enable Bluetooth communication. In this way, a particularly flexible and easy-to-adapt communication system can be provided. It is preferred within the meaning of the invention that the additional electrical device, which preferably represents the communication partner of the first electrical device, has corresponding communication means.
- the second or further electrical device is set up to receive the preferably wireless communication signal of the mains cable or its functional unit or its communication module or to send communication signals to the first electrical device.
- the exchanged communication signals can be, for example, machine-related data such as operating parameters or identifiers, control commands and/or message signals, without being limited to them.
- the functional unit of the proposed mains cable has a first interface for data exchange between the electrical device and the functional unit, and a second interface for wireless communication with another electrical device.
- the first interface for data exchange between the electrical device and the functional unit is wired or wired, while the second interface is wireless for wireless communication between the first and the second or additional electrical device.
- the wired or wired first interface of the functional unit of the mains cable preferably enables a preferably bidirectional data exchange between the electrical device and the functional unit, with the communication preferably being able to be based on UART, I2C, SPI.
- the wireless second interface of the functional unit of the mains cable preferably enables a preferably bidirectional data exchange between at least two electrical devices, with at least one of the electrical devices being a mains-operated electrical device such as a mains-operated machine tool.
- the communication of the second interface of the functional unit can be based, for example, on NB-loT, 2G, CAT-M1, LoRA, Bluetooth and/or Zigbee, without being restricted thereto.
- the first electrical device is a mains-operated machine tool.
- the additional electrical device can be a mobile communication device, such as a mobile phone, a smartphone, a notebook, a laptop, a palm, a tablet PC or the like, without being limited thereto.
- the additional or second electrical device can also be a remote control, a stationary computer (PC), a cloud, a server or the like, without being limited to this.
- the further or second electrical device can also be an auxiliary device with which the first electrical device works together or forms a working system.
- Such an auxiliary device can be, for example, a vacuum cleaner, a water management or recycling system, a feed device or an external control device.
- the mains cable has a transmitter unit and a receiver unit for wireless communication with the additional electrical device.
- the transmitter unit and the receiver unit are components of the functional unit and can be used for wireless communication with another electrical device.
- the transmitting unit and the receiving unit are preferably part of the second interface of the functional unit of the proposed power cord.
- the transmitting unit and/or the receiving unit is/are part of the functional unit or the second interface.
- the functional unit or the mains cable can be set up to enable preferably wireless communication between the first electrical device and the additional electrical device.
- the transmission unit and the reception unit support the communication methods mentioned above, in particular the wireless communication methods mentioned, such as NB-loT, 2G, CAT-M1, LoRA, Bluetooth and/or Zigbee.
- the second electrical device has corresponding communication means.
- this preferably means that the second electrical device also has transmission units and reception units, for example, which can communicate with the transmission unit and the reception unit of the functional unit of the mains cable.
- the functional unit and the second electrical device are able, via their transmitter units and receiver units, to exchange communication signals, data or commands and to send them back and forth in the sense of a bidirectional connection.
- the invention in a second aspect, relates to an electrical device that can be connected to a proposed mains cable, in particular to ensure that the electrical device is supplied with energy. It is preferred within the meaning of the invention that the electrical device includes a mechanical interface for receiving the plug of the mains cable. It is preferred within the meaning of the invention that the connection between the electrical device and the mains cable preferably provides both a power supply for the electrical device räts, as well as a preferably wired or contact-bound data exchange between the electrical device and power cord is made possible.
- the plug of the mains cable can preferably be connected to electronics of the electrical device.
- communication signals that the functional unit of the power cable receives from the second electrical device can be forwarded directly to the electronics of the first electrical device, so that, for example, control commands can be transmitted and implemented particularly quickly and efficiently to the electrical device.
- the electronics of the first electrical device can include a control device, for example, which can preferably be set up to implement communication signals or control commands that are received from the second electrical device and transmitted by the mains cable or its communication module to the first electrical device. According to the invention, it is preferred that there is an electrical connection between the mechanical interface and the electronics of the electrical device.
- the mains cable can preferably be set up to supply the electrical device with energy, in particular electricity, and a preferably bidirectional exchange of data, such as machine-related data, between the functional unit of the mains cable and the first electrical device on the one hand and the to allow first and second electrical device on the other side.
- the invention in another aspect, relates to a system that includes a proposed power cord, a proposed electrical device, and another electrical device. Communication between the mains cable and the electrical device takes place by means of a first interface of the functional unit of the mains cable and communication between the mains cable and the further electrical device takes place by means of a second interface of the functional unit of the mains cable.
- the proposed system can preferably also be referred to as a communication system within the meaning of the invention.
- the definitions, technical effects and advantages introduced and described for the mains cable and the electrical device apply analogously to the communication system and vice versa.
- the communication or data transmission between the power cable and the electrical device is wired, i.e. wired, while the communication or data transmission between the power cable and the other electrical device or between the at least two electrical devices wirelessly.
- the invention advantageously enables communication or data transmission between preferably mains-operated electrical devices using a "smart" ten», ie connective mains cable.
- the mains cable preferably has a plug and a functional unit, with the plug and the functional unit representing additional communication interfaces in the mains cable, which enable data transmission.
- the interfaces are preferably integrated interfaces, with an electrical connection arrangement of the plug enabling wired communication between the mains cable and the electrical device, and the functional unit enabling wireless communication between at least two electrical devices.
- one of the devices can be a mains-operated machine tool, while the second electrical device can be a cloud, a smartphone, an auxiliary device, a remote control or a PC.
- the proposed mains cable preferably enables the electrical device to be supplied with energy or power, with the mains cable preferably comprising communication contacts in the plug which is also used to conduct the electrical energy.
- the connector includes both power and communication contacts, which preferably form an electrical connector assembly.
- This electrical connection arrangement can be connected to a functional unit of the mains cable, in which case this electrical connection can be implemented using thin cables or a common printed circuit board. These cables and/or the common printed circuit board preferably form an electrical connection between the plug and the functional unit.
- the functional unit can be arranged on or in the power cable.
- the functional unit can preferably include two interfaces, with a first interface being configured as wired and being connected to electronics of the electrical device.
- the second interface is preferably designed to be wireless and enables data to be exchanged with an external electrical device.
- a major advantage of the invention is that the proposed power cord allows data to be exchanged, for example between electrical devices, without the first electrical device, which is a mains-operated machine tool, for example, having to have a communication module. Rather, communication signals and data that are intended for the machine tool are preferably sent wirelessly to the functional unit of the mains cable and are forwarded from this, preferably in a wired manner, to the machine tool or its electronics.
- the electrical connection arrangement with the communication contacts can be used for this purpose, for example.
- the communication or the data exchange works accordingly if the electrical device or the mains-operated machine tool is the transmitting device and the second electrical device is the receiving device within the communication system.
- operating or device parameters of the first electrical device can be read out with the invention.
- operating or device parameters can be set or adjusted with the aid of the invention.
- the invention can be used to transmit data, control commands or parameters from an external device, such as another electrical device, to the first electrical device via the mains cable.
- an external device such as another electrical device
- this preferably means that the first electrical device, for example the mains-operated machine tool, can be controlled externally using the proposed mains cable, for example by sending control commands or setting operating parameters.
- These communication signals, control commands or operating parameters preferably originate from the further or second electrical device, which can be communicatively connected to the first electrical device via the functional unit of the mains cable and the communication contacts.
- the communication between the electrical devices is preferably a combination of wireless data transmission between the second electrical device and the functional unit of the mains cable and wired data transmission between the plug of the mains cable and the first electrical device.
- FIG 1 shows a preferred embodiment of a proposed communication system 50.
- the communication system 50 which is shown in Figure 1, comprises a first electrical device 10, a mains cable 1 and a further electrical device 20.
- the first electrical device 10 can be a mains-operated machine tool, for example .
- the energy supply of the first electrical device 10 is ensured via the mains cable 1, the mains cable 1 also having or fulfilling a communication function.
- the mains cable 1 has a plug 2 and a functional unit 3 in order to fulfill the communication function.
- the plug 2 has a first group 4 of supply contacts 4a and a second group 5 of communication contacts 5a.
- the contacts 4a, 5a together form an electrical connection arrangement or a wired or line-connected interface within the plug 2 of the mains cable 1.
- the plug 2 of the mains cable 1 can be connected to the electrical device 10, the electrical device 10 having a mechanical interface 12 for connection to the plug 2.
- the mechanical interface 12 of the electrical device 10 can be designed as a receptacle for the plug 2, for example.
- the mains cable 1 has a functional unit 3 which forms the communication module of the mains cable 1 .
- Functional unit 3 is connected to plug 2 via an electrical connection 8 .
- the functional unit 3 has a first interface 6 and a second interface 7, the first interface 6 being a wired interface and the second interface 7 of the functional unit 3 being a wireless interface.
- the second interface 7 can have a transmission unit 9 and a reception unit 11 , the second interface 7 being designed in particular for wireless communication with a further electrical device 20 . In particular, it is the transmitter unit 9 and the receiver unit 11 of the second interface 7 of the functional unit 3 that enable wireless communication of the mains cable 1 .
- the second interface 7 preferably ensures the preferably wireless communication between the mains cable 1 and the second electrical device 20, while the first interface 6 and the second group 5 of contacts 5a enable wired communication between the first electrical device 10 on the one hand and the mains cable 1 and the second electrical device 20 is guaranteed on the other side.
- the first interface 6 of the functional unit 3 is designed for wired communication with the first electrical device 10, this communication in particular via the electrical connection 8 between Ste- cker 2 and functional unit 3 and via the communication contacts 5a of the plug 2 of the power cord 1 takes place.
- the invention enables communication between the first electrical device 10 and the second or additional electrical device 20, with this communication having a wired component between the electrical device 10 and the mains cable 1, and a wireless component between the functional unit 3 of the mains cable 1 and the additional electrical device device 20
- the first group 4 of contacts 4a ensures the energy or power supply of the first electrical device 10.
- the contacts 4a of the first group 4 can therefore preferably also be referred to as "supply contacts”.
- the contacts 5a of the second group 5 ensure the preferably wired communication between the mains cable 1 and the first electrical device 10.
- the contacts 5a of the second group 5 can therefore preferably also be referred to as "communication contacts”.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21203146.2A EP4167396A1 (de) | 2021-10-18 | 2021-10-18 | Netzkabel, elektrisches gerät und kommunikationssystem |
| PCT/EP2022/077554 WO2023066652A1 (de) | 2021-10-18 | 2022-10-04 | Netzkabel, elektrisches gerät und kommunikationssystem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4420201A1 true EP4420201A1 (de) | 2024-08-28 |
Family
ID=78598678
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21203146.2A Withdrawn EP4167396A1 (de) | 2021-10-18 | 2021-10-18 | Netzkabel, elektrisches gerät und kommunikationssystem |
| EP22792828.0A Withdrawn EP4420201A1 (de) | 2021-10-18 | 2022-10-04 | Netzkabel, elektrisches gerät und kommunikationssystem |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21203146.2A Withdrawn EP4167396A1 (de) | 2021-10-18 | 2021-10-18 | Netzkabel, elektrisches gerät und kommunikationssystem |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20250239818A1 (de) |
| EP (2) | EP4167396A1 (de) |
| WO (1) | WO2023066652A1 (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160031809A (ko) * | 2014-09-15 | 2016-03-23 | 엘에스산전 주식회사 | 전기 자동차 충전 장치 |
| CA3018903C (en) * | 2016-08-30 | 2021-07-06 | Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. | Power cord plug, cable, power cord structure, and electrical device |
| TWI629488B (zh) * | 2017-09-04 | 2018-07-11 | 芯籟半導體股份有限公司 | 一種充電電纜 |
-
2021
- 2021-10-18 EP EP21203146.2A patent/EP4167396A1/de not_active Withdrawn
-
2022
- 2022-10-04 WO PCT/EP2022/077554 patent/WO2023066652A1/de not_active Ceased
- 2022-10-04 EP EP22792828.0A patent/EP4420201A1/de not_active Withdrawn
- 2022-10-04 US US18/702,109 patent/US20250239818A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023066652A1 (de) | 2023-04-27 |
| US20250239818A1 (en) | 2025-07-24 |
| EP4167396A1 (de) | 2023-04-19 |
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