Wireless transmission

Abstract

The disclosure relates to an assembly composed of two or more electric drives, each of which is provided with a housing that is preferably closed all around; a transceiver or radio transmitter inside the housing of each electric drive is configured for wireless data communication with a master controller; for this purpose, a properly mounted transmission opening is provided in each housing in order for data to be transmitted and received through the transmission opening.

Claims

1. An assembly comprising two or more electric drives, each of which is provided with a housing, wherein a transceiver or radio transmitter is provided inside the housing of each electric drive, wherein the assembly is configured for wireless data communication with a master controller, for which purpose a properly mounted transmission opening is provided in each housing in order for data to be transmitted and received through the transmission opening, wherein the respective transceivers are arranged on a motor circuit board directly behind the respective transmission openings of the slave units such that they are oriented on the circuit board towards the master.

2. The assembly according to claim 1, wherein two or more transmission openings are provided within each housing of the respective electric drives.

3. The assembly according to claim 1, wherein the housing of the electric drives is configured as a shielded housing resulting in EMC shielding at the same time.

4. The assembly according to claim 3, wherein housing of the electric drives is configured as a non-metallic housing.

5. The assembly according to claim 1, wherein the transmission opening(s) seal(s) housing against the ingress of dust and dirt by means of a non-metallic housing seal, but remain(s) transmissive for data transmission.

6. The assembly according to claim 1, wherein the respective transceivers or radio transmitters are integrated on the motor circuit board of the electric drive, in particular directly and immediately behind a transmission opening.

7. The assembly according to claim 1, wherein the transmission openings form a cable bushing within housing at the same time.

8. The assembly according to claim 1, wherein the transceiver(s) or radio transmitter(s) is/are accommodated in a non-metallic terminal box of the electric drives.

9. The assembly according to claim 1, wherein the wireless transmission technology is implemented by means of standard transmission methods including at least one of Wi-Fi, Bluetooth, ZigBee, LoRaWan, GSM, UMTS, LTE, and infrared, and the transceivers are configured for such transmission method.

10. A refrigeration or air-conditioning system, comprising an assembly according to claim 1, configured as a wirelessly communicating master/slave system, wherein the controller is configured as a master and the electric drives are configured as slave units.

11. The refrigeration or air-conditioning system according to claim 10, wherein the transmission openings of the slave units are oriented towards the master.

12. The refrigeration or air-conditioning system according to claim 10, wherein, for changing parameters of the electric drives, an access code is assigned per serial number of the respective slave unit, and in that the master has its own access code.

13. The assembly according to claim 1, wherein housing is closed all around.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Other advantageous further developments of the disclosure are characterized in the dependent claims or are explained in detail below along with the description of the preferred embodiments of the disclosure with reference to the FIGURES.

(2) In the drawings:

(3) FIG. 1 shows a schematic view of the assembly according to the disclosure.

DETAILED DESCRIPTION

(4) FIG. 1 exemplifies and schematically shows an assembly 1 composed of eight electric drives S1, . . . , S8, each of which is provided with a housing G that is closed all around, wherein a transceiver or radio transmitter T is provided inside housing G for each electric drive S1, . . . , S8.

(5) Further, a master controller 2 is provided which, along with electric drives S1, . . . , S8 configured as slave units, forms a master/slave system for wireless data communication with master controller 2.

(6) For this purpose, a properly mounted transmission opening A1, . . . , A8 is provided in respective housing G of electric drives S1, . . . , S8 to transmit and receive data through the transmission opening.

(7) The present exemplary embodiment represents a refrigeration or air-conditioning system in which housings G of electric drives S1, . . . , S8 are configured as shielded housings made of a metal material, thus creating an EMC shield for electric drives S1, . . . , S8.

(8) Here, respective transceivers or radio transmitters T are positioned immediately behind respective transmission opening A1, . . . , A8 and oriented towards master 2, represented by arrows in FIG. 1.

(9) According to the disclosure, a number of variations are conceivable which make use of the illustrated solution even with fundamentally different implementations, such as adaptation of the transmission technology to the system configuration, implemented by means of a common standard transmission method, such as Wi-Fi, Bluetooth, ZigBee, LoRaWan, GSM, UMTS, LTE, infrared or the like, so that each transceiver T is configured for this technology.