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EP3607651A1 - Électronique de commande pour systèmes de réfrigération - Google Patents

Électronique de commande pour systèmes de réfrigération

Info

Publication number
EP3607651A1
EP3607651A1 EP18713169.3A EP18713169A EP3607651A1 EP 3607651 A1 EP3607651 A1 EP 3607651A1 EP 18713169 A EP18713169 A EP 18713169A EP 3607651 A1 EP3607651 A1 EP 3607651A1
Authority
EP
European Patent Office
Prior art keywords
refrigeration
control electronics
components
control module
electronics according
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.)
Pending
Application number
EP18713169.3A
Other languages
German (de)
English (en)
Inventor
Alex Schneider
Helmut Lipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebm Papst Mulfingen GmbH and Co KG
Original Assignee
Ebm Papst Mulfingen GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP3607651A1 publication Critical patent/EP3607651A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
    • H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
    • H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
    • H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators

Definitions

  • the invention relates to an electronic control system for refrigeration systems.
  • Refrigeration technology is no longer used exclusively for cooling storage rooms. Rather, in modern buildings, facilities, factories or processes, cooling is used to control certain climatic conditions. create conditions. The demands on the control system control and the performance of the refrigeration system are meanwhile, also due to the changed environmental legislation and the associated new refrigerant, so broad that a complex (much comprehensive) range of refrigeration components and systems to solve the refrigeration tasks available stands. The control and design of such a refrigeration system is therefore of particular importance.
  • this cooling device comprises a metallic and / or electrically conductive EMC housing and a converter as well as a plurality of electrically operated units within the EMC housing, which are designed to influence a local temperature in at least one area inside or outside the EMC enclosure, wherein the Inverter supplied directly to at least one or more of the units with a respective supply voltage and wherein the inverter and the units are each designed so that the specifically generated by this unit during operation of the cooling device conducted and / or field-bound EMC interference by a line-bound and / or field-bound interference of at least one of the other units is partially or completely compensated in their respective noise level.
  • DE 10 2015 108 910 A1 relates to a cooling device, in particular for the cooling of components housed in a control cabinet, with a first fan for the flow through a first heat exchanger with cabinet air and with a second fan for the flow of a second heat exchanger with ambient air, said Cooling unit has a power supply with an up-converter and / or down-converter. has, connected via a rectifier with a wide-range input for single- or multi-phase AC voltage and a capacitor charges to an intermediate circuit voltage, which is above or below a voltage applied to the wide-range input mains voltage, wherein a power supply at least one of the two fans in parallel to the capacitor is switched.
  • the individual components are purchased to realize a refrigeration system control.
  • the disadvantage here is that this results in high costs, since each of the components used, which requires EMC protection also has its own EMC filter.
  • each technical component such. B. involved fans, compressors, electric motors, etc. each own rectifier, DC link capacitor, DC / DC converter and the like needed to produce the required operating voltage for each of the components.
  • Another disadvantage arises from the required networking (communication) of the components, which often turns out to be difficult, since there are no uniform standards for this.
  • the space required in the entire device (refrigeration system) is therefore large and also results in a high assembly cost of the individual electrical and electronic components.
  • the invention is therefore based on the object to overcome the aforementioned disadvantages and to provide a controller or control electronics for refrigeration systems, in which the number of components is reduced and in which the refrigeration components share certain electronic units see or can share them ,
  • a basic idea of the invention lies in the fact that the control and / or regulation electronics for refrigeration systems are at least partially functionally integrated in a common control module unit, for which an integrative construction of a plurality of components is provided and these are combined with an interface controller.
  • a control electronics for refrigeration systems with refrigeration components comprising a central electronic control module with a rectifier and a DC link capacitor and a plurality of power amplifiers to which the refrigeration components can be connected on the voltage side interfaces of the control module, wherein the respective output stages for refrigeration systems on the input side are connected via the shared DC link capacitor to the shared rectifier and the interfaces are further connected control technology with a central interface controller.
  • the central electronic control module thus has an interface controller which can be connected or connected on the output side with all components for the refrigeration cycle on the central electronics without galvanic isolation via a simple serial interface (eg PWM or PC).
  • a simple serial interface eg PWM or PC.
  • the interface controller can be galvanically isolated on the input side with a refrigeration cycle controller or else not galvanically isolated via a serial interface and / or with external signal generators z. B. connected to temperature or pressure sensors.
  • the electronic control module also has a shared EMC filter in front of the voltage intermediate circuit has, the circuitry is preferably provided on the input side between the rectifier and an input for a single-phase or three-phase power supply with a supply voltage supply.
  • the electronic control module further comprises a jointly used boosters and / or boosters, which is preferably arranged in the circuitry between the rectifier and the DC link capacitor in the voltage intermediate circuit.
  • the electronic control module moreover also has a touch-safe DC / DC low-voltage supply for providing a SELV voltage for commutation electronics of the components to be commutated, such as the electric motors, electronically controllable valves or other units of the refrigeration components to be commutated.
  • the electronic control module has an interface for an integratable or external refrigeration cycle controller.
  • an integratable or external refrigeration cycle controller For a particularly compact design of the refrigeration cycle controller with or without an integrated control module in the control panel, display and / or interfaces for connecting a sensor and / or for connecting control elements such. B. valves, be formed.
  • the control electronics is configured in a preferred embodiment so that the output stages for the connection of the cooling components are designed as DC / AC converter. So z.
  • fans, cooling compressors or the motors required for this purpose can be connected directly to the DC / AC converter via EMC input filters.
  • the respective final stages or DC / AC converter via a respective microcontroller with the interface controller are connected control technology, so that in each case a microcontroller is the control components associated with the connected components, such as compressors, fans and the like.
  • the interface controller is connected on the input side via a serial interface to a, a commutation controlling microcontroller via a galvanic isolation.
  • Another aspect of the present invention relates to a refrigeration system comprising a plurality of refrigeration components (compressors, fans, ventilators, etc.) equipped with control electronics as described above.
  • Fig. 1 is a block diagram of an exemplary embodiment of an inventive control electronics.
  • FIG. 1 shows a block diagram of an embodiment of a control electronics for refrigeration systems for the operation of the refrigeration components shown (K1, K2, K3, ...) shown.
  • the control electronics comprises a central electronic control module 10, which is formed with a DC voltage intermediate circuit.
  • a rectifier 1, an intermediate circuit voltage adjustment 16 and an intermediate circuit capacitor 12 are provided.
  • the DC link voltage adaptation 16 represents a shared th boosters and / or low level. At the output of the common DC voltage intermediate circuit is thus the DC link voltage for the illustrated amplifiers 13 available.
  • the connected refrigeration components K1, K2, K3,...) Jointly use the rectifier 1 1, the EMC filter 14, the boost and / or sustain 16, and the DC link capacitor 12.
  • the output stages 13 used are designed as DC / AC converters or DC / AC power stages and provide an interface S to which the respective refrigeration components (K1, K2, K3, ...) are connected. As an example, it is shown how the refrigeration component K3, namely the fan 2, is already connected to the interface of the illustrated output stage 13.
  • the output stages 13 are connected to a central interface controller 20 in terms of control technology via the respective microcontroller 18.
  • the electronic control module 10 also has the shared EMC filter 14, which is provided on the input side between the rectifier 1 1 and an input 15 for a mains voltage supply U n .
  • control electronics 10 has a touch-safe DC / DC low-voltage supply 17 for providing a SELV voltage for commutation of the commutated to motors M and valves or other system components.
  • the illustrated electronic control module 10 further comprises an integrated refrigeration cycle controller 24 which is connected to a display 21.
  • the display 21 may be formed simultaneously via input functions as a control panel. Communication with sensors or other components may be via a bus protocol, such as. B. the Modbus done.
  • the refrigeration components K1, K2, K3, ...), thus the compressor and the two fan (fan 1 and fan 2) shown by way of example each have their own EMC input filter 22.
  • the interface controller 20 is also the input side connected via a serial interface with a microcontroller 18 controlling a commutation electronics K via a galvanic isolation T.
  • the invention is not limited in its execution to the above-mentioned preferred embodiments. Rather, a number of variants are conceivable, which make use of the illustrated solution even in fundamentally different embodiments, so it can e.g. From a load or fan power of the connected components of about 200 watts, it is technically advantageous to integrate the power part of the commutation in the motor and to supply the component with high-voltage direct voltage (eg 320V - 420V DC) from the common DC link. For this purpose, it may also be provided that there are bypass connections to the intermediate circuit, which allow a connection of the components K1, K2, K3, ... past the respective power stages 13 of the control module 0, directly at the intermediate circuit.
  • high-voltage direct voltage eg 320V - 420V DC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Rectifiers (AREA)

Abstract

L'invention concerne une électronique de commande, destinée à des systèmes de réfrigération, comprenant des composants de réfrigération (K1,…, Kn) comprenant un module de commande électronique central (10) qui comporte un redresseur (11) et un condensateur de circuit intermédiaire (12) et une pluralité d'étages de sortie (13) auxquels les composants de réfrigération (K1,…, Kn) peuvent être raccordés côté tension au niveau d'interfaces (S). Les étages de sortie respectifs (13) sont raccordés du côté entrée au redresseur partagé (11) par le biais du condensateur de circuit intermédiaire (12) partagé et les interfaces (S) sont reliées à un contrôleur d'interface central (20) par une technologie de commande.
EP18713169.3A 2017-07-18 2018-03-19 Électronique de commande pour systèmes de réfrigération Pending EP3607651A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017116109.0A DE102017116109A1 (de) 2017-07-18 2017-07-18 Steuerungselektronik für kältetechnische Anlagen
PCT/EP2018/056793 WO2019015812A1 (fr) 2017-07-18 2018-03-19 Électronique de commande pour systèmes de réfrigération

Publications (1)

Publication Number Publication Date
EP3607651A1 true EP3607651A1 (fr) 2020-02-12

Family

ID=61768276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18713169.3A Pending EP3607651A1 (fr) 2017-07-18 2018-03-19 Électronique de commande pour systèmes de réfrigération

Country Status (4)

Country Link
EP (1) EP3607651A1 (fr)
CN (1) CN207299645U (fr)
DE (1) DE102017116109A1 (fr)
WO (1) WO2019015812A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018118068A1 (de) * 2018-07-26 2020-01-30 Ebm-Papst Mulfingen Gmbh & Co. Kg Schaltungsanordnung zur Zwischenkreissymmetrierung
DE102018118181A1 (de) * 2018-07-27 2020-01-30 Ebm-Papst Mulfingen Gmbh & Co. Kg Steuerungselektronik in modularer Bauweise
DE102022129041A1 (de) * 2022-11-03 2024-05-08 Ebm-Papst Mulfingen Gmbh & Co. Kg Kühlgerät, insbesondere für die Kühlung von in einem Schaltschrank aufgenommenen elektrischen und/oder elektronischen Baugruppen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072919A1 (fr) * 2007-12-21 2009-06-24 LG Electronics, Inc. Climatiseur
EP2072923A1 (fr) * 2007-12-21 2009-06-24 LG Electronics Inc. Contrôleur de moteur de climatiseur
DE202017104259U1 (de) * 2017-07-18 2017-08-02 Ebm-Papst Mulfingen Gmbh & Co. Kg Steuerungselektronik für kältetechnische Anlagen

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Publication number Priority date Publication date Assignee Title
DE102004002131B4 (de) * 2004-01-15 2006-04-13 Danfoss Compressors Gmbh Kühlaggregat und Kühlmöbel
US7425806B2 (en) * 2004-04-12 2008-09-16 York International Corporation System and method for controlling a variable speed drive
DE102007027458A1 (de) * 2007-06-14 2008-12-24 Siemens Ag Umrichterverbund
DE102009031257A1 (de) * 2009-06-30 2011-01-13 Sew-Eurodrive Gmbh & Co. Kg Umrichter und Verfahren zum Betreiben einer Anlage mit Umrichter
US20110016893A1 (en) * 2009-07-23 2011-01-27 Warwick Graham Andrew Dawes Redundant Cooling Method and System
DE102012108869A1 (de) * 2012-09-20 2014-03-20 Ebm-Papst Mulfingen Gmbh & Co. Kg "Thermodynamische Kreisprozessanlage"
ES2665955T3 (es) 2014-06-05 2018-04-30 Rittal Gmbh & Co. Kg Aparato de refrigeración para refrigerar componentes alojados en un armario de distribución, utilización correspondiente y procedimiento correspondiente
DE202016106910U1 (de) 2016-12-12 2017-01-27 Ebm-Papst Mulfingen Gmbh & Co. Kg EMV-Kühlgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072919A1 (fr) * 2007-12-21 2009-06-24 LG Electronics, Inc. Climatiseur
EP2072923A1 (fr) * 2007-12-21 2009-06-24 LG Electronics Inc. Contrôleur de moteur de climatiseur
DE202017104259U1 (de) * 2017-07-18 2017-08-02 Ebm-Papst Mulfingen Gmbh & Co. Kg Steuerungselektronik für kältetechnische Anlagen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019015812A1 *

Also Published As

Publication number Publication date
WO2019015812A1 (fr) 2019-01-24
CN207299645U (zh) 2018-05-01
DE102017116109A1 (de) 2019-01-24

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