Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
  • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B15/00—Systems controlled by a computer
  • G05B15/02—Systems controlled by a computer electric
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
  • G06F13/10—Program control for peripheral devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
  • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
  • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
  • B03C3/34—Constructional details or accessories or operation thereof
  • B03C3/66—Applications of electricity supply techniques
  • B03C3/68—Control systems therefor
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/0001—Control or safety arrangements for ventilation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
  • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
  • F24F11/63—Electronic processing
  • F24F11/65—Electronic processing for selecting an operating mode
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F11/00—Control or safety arrangements
  • F24F11/88—Electrical aspects, e.g. circuits
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
  • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
  • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
  • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
  • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B9/00—Safety arrangements
  • G05B9/02—Safety arrangements electric
  • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
  • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
  • B03C2201/00—Details of magnetic or electrostatic separation
  • B03C2201/32—Checking the quality of the result or the well-functioning of the device
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2110/00—Control inputs relating to air properties
  • F24F2110/50—Air quality properties
  • F24F2110/64—Airborne particle content
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F2203/00—Devices or apparatus used for air treatment
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B2219/00—Program-control systems
  • G05B2219/20—Pc systems
  • G05B2219/26—Pc applications
  • G05B2219/2614—HVAC, heating, ventillation, climate control

Definitions

• the invention relates to a control electronics for the electrostatic precipitator of a building ventilation system of a larger building.
• building ventilation systems are also referred to as monobloc in the air conditioning and ventilation industry.
• Electrostatic precipitators can filter out particles contained in a gas or air stream. While they can be used in ventilation equipment, air conditioners and air conditioning systems, they have not gained acceptance in the ventilation industry. In the ventilation industry, especially in
• the invention has for its object to develop a control electronics for a variety of electrostatic precipitators, in addition to the fulfillment of their main task, namely the control of the electrostatic precipitator, easy installation and maintenance, including easy replacement and replacement of defective parts allows.
• the invention relates to an electronic control system for a plurality of electrostatic precipitators, in a
• Ventilation duct of a building ventilation system are arranged.
• the control electronics comprises at least one master device and node devices, wherein a node device can be connected to each of the electrostatic precipitators.
• the master device or the master devices is / are a higher-level control center for the electrostatic precipitators and also supplies / supplies the connected node devices with a supply voltage for the electrostatic precipitators.
• An optimal configuration of the master device and the node devices includes the following features, which may be implemented individually or in combination, namely
• each master device and each node device has a computing unit and the devices are designed as follows: to the master device or to each of the master devices are one or more
• Chains of Node devices connectable, in each chain a first node device to the associated master device connectable and the other node devices of the chain are each connected to the predecessor node device, so that the node devices of the chain in Series with each other
• the master device is the predecessor of the first node device of the connected chain or the first node devices or the connected chains.
• Each of the fashion devices in a chain is assigned a unique location number.
• the arithmetic unit of the master device or of the master devices is set up, in a configuration mode, to cause the arithmetic unit of the first node device of each connected chain to execute a configuration program that is set up:
• the Elektrofiiter may contain a coding, which is formed for example by permanent magnets.
• the node device advantageously has one or more sensors and the configuration program is additionally set up, from the output signal of the sensor or from the output signals of the sensors encoding the connected
• Electrostatic filter to determine.
• Each of the Node devices has a galvanic isolation element for the transmission of the supply voltage from the Node device to the connected Elektrofiiter. This allows the control of the ionization stage and the Koilektorlace the electrostatic precipitator according to the principles described in PCT Application No. PCT / EP2018 / 050093 principles.
• the control electronics is also preferably set up for the control of electric! i ltern different sizes, each of the Elektrofiiter has a predetermined size and includes a lonisationsprocess and a collector stage.
• the control of each of the electric fi lters takes place, in particular, by predefining an ionization current flowing through the ionization stage and a DC high voltage to be applied to the Koilector stage, wherein the ionization current is adapted in particular to the air volume flow passing through the ventilation duct and the size of the electrostatic filter.
• the DC high voltage applied to the collector stage is also advantageously adapted to the air volume flow.
• the or each master device can be connected to a building control unit, wherein the building control device transmits a control signal to the master or the devices, which is a measure of the flowing through the ventilation system Heilvoiumenstrom.
• the master device (s) may also be part of a building control device.
• the master device or devices is / are set up to transmit the control signal transmitted by the building control device or a control signal derived therefrom to the node devices.
• the node devices are set up with advantage, the lonisationsstrom and / or the DC high voltage due to the at least one control signal and optionally further parameters such as the size of the electrostatic filter to determine and transmit to the connected electrostatic precipitator.
• FIGS. 1-3 each show a diagram of an inventive control electronics for the electrostatic precipitator of a building ventilation system.
• Fig. 1 shows a diagram of an inventive Steuerelektroni k for the electrostatic precipitator of a building ventilation system according to a first embodiment.
• the electrostatic filters comprise an ionization stage and a collector stage and one or two high-voltage power supply units for the
• the control electronics UML 'Asst a central master unit 1 and electrostatic filter per a node device is 2.
• the node device 2 preferably attached by means of any tools attachable and releasable mechanical means on the associated electric filter and electrically anschiiessbar. It supplies the associated
• the master device 1 and each node device 2 has a computing unit.
• the computing units are for example microcontroller, microcomputer and the like.
• the node devices 2 are connected via one or more chains 3 to the master device 1.
• a first node device 2 to the master device 1 anschiiessbar and the other node devices 2 are each schiiessbar to the predecessor node device 2, so that the node devices 2 of the same chain 3 in series with each other are connected.
• the master device 1 is the predecessor of the first node device 2 of a chain 3.
• the master device 1 and the node devices 2 are connected via connector cables equipped with connectors.
• connection cables comprise, for example, two lines for the supply of the node devices 2 with a first supply voltage of, for example, 12 V, two further lines for the supply of the electrostatic filter with a second supply voltage of, for example, 24 V or line voltage of, for example, 230 V, and one or more Data lines for the transmission of data and commands.
• the 12 V and 24 V lines are preferably galvanically isolated from each other.
• the first supply voltage is used to supply the electronics of the master device 1 and the node devices 2 with electrical energy.
• the second supply voltage is used to supply the electrostatic filter with electrical energy.
• Each of the node devices 2 of a chain 3 is assigned a unique location number.
• the node Devices 2 are not configured when they leave the factory, ie their platform number is either still undefined or set to a high level that does not occur in practice, and they contain no data related to the building system.
• the assignment of the location number takes place automatically after connecting the node device 2 to one of the electrostatic precipitators
• the configuration of the control electronics of the electrostatic precipitator of a building ventilation system is performed by a master configuration program, which is installed on the arithmetic unit of the master device 1, and a node configuration program, which is installed on the arithmetic unit of the node devices 2.
• the arithmetic unit of the master device 1 is configured to execute the master configuration program in a configuration mode, which causes the arithmetic unit of the first node device 2 of each chain 3 to execute the node configuration program, wherein the node configuration program is set up :
• the node configuration program of the last connected node device 2 of a chain 3 transmits its location number to its predecessor node device 2 and this in turn to its predecessor node device 2, etc. On In this way, the master device 1 receives the location number of the last node device 2 from each of the chains 3 and then knows the number of node devices 2 of each chain 3.
• the master device 1 is treated in this configuration method as a predecessor of the first node device 2 of a chain 3.
• the configuration program of the master device 1 is therefore set up to give the first node device 2 of a chain 3 a location number, which is then increased by the configuration program of the first node device 2 of the chain 3 by the value 1.
• the location number given by the master device 1 has the value 0 for all chains 3
• each node device 2 of a chain 3 then has the value corresponding to the location of the node device 2 in the chain 3. That the first node device 2 of a chain 3 has the location number 1, the second node device 2 of a chain 3 has the location number 2, etc.
• Such an assignment of location numbers to the node devices 2 of the electrostatic precipitators is shown in FIG represented by numbers which are arranged in the lower right corner of the node devices 2.
• the location number of the master device 1 can also be different for each of the chains 3 For example, for the first chain 3, the number 0 and for the following chains 3, the location number of the last node device 2 of the preceding chain 3. In this way, the node devices 2 of all chains 3 can be numbered consecutively.
• the master device 1 and the node devices 2 contain one or more further programs with which the master device 1 of each node device 2 address via its location number and its chain number (or its aliinige PiatzMartin) and commands and data can exchange with him.
• the electrostatic precipitators are provided in several, in particular three sizes, which are referred to as 1/1, 1/2 and 3/4 size.
• the electrostatic filters advantageously contain a coding for the size and possibly further parameters and the node devices 2 contain one or more sensors to the coding of the connected electric! iiiers and to determine the size and, if necessary, the other parameters.
• the coding is carried out, for example, by means of two magnets arranged at a distance from one another on the electrostatic filter and two magnetic field sensors correspondingly mounted on the node device 2.
• the output of the first magnetic field sensor indicates whether the first magnet is present.
• the output of the second magnetic field sensor indicates whether the second magnet is present.
• the following table shows one possible coding:
• the control of the ionization of the electrostatic precipitator is preferably carried out by specifying the ionization current, which should flow through the ionization, and the control of the collector stage of the electrostatic precipitator is carried out by specifying the collector high voltage, which is to be applied to the collector stage.
• the master device 1 is preferably connectable to a higher-level building control unit 4 or part of a building control device and the control electronics is set up to control the ionisationsströme and the Koilektorhochstance according to the operating status of the entire building ventilation system. An example of this: The air volume flow can be adjusted between zero and a maximum air volume flow by means of a fan.
• the building control unit 4 communicates with the master device 1 and transmits him a control signal that refers to the current
• Air volume flow preferably in percent of Maximalallvovoenenstroms, or a him
• the master device 1 is set up to forward the control signal or a control signal derived therefrom to the node devices 2, which determine and adjust the operating parameters of the connected electrostatic filter on the basis of the control signal.
• the master device 1 can be set up in particular, which is received from the building control unit 4 Control signal representing the current air flow flowing through a ventilation duct, in which the electric filters are arranged, into a control signal derived therefrom, which represents the actual air volume flow flowing through a size 1/1 electric pro fi le.
• the operating parameters are in particular the ionization current and the collector high voltage.
• the ionization current to be set preferably depends not only on the current air volume flow, but also on the size of the electrostatic precipitator.
• the mode device 2 therefore determines the ionization current to be set on the basis of the transmitted control signal and the size of the connected electrostatic filter determined from the detected coding and the collector high voltage to be set on the basis of the transmitted control signal alone.
• the building control device 4 and the master device 1 can also be set up for the transmission of other or additional control commands.
• the node device 2 may be configured to transmit the size and possibly other determined parameters of the electrostatic filter to the associated master device 1. This transmission can take place, for example, in configuration mode by the configuration program.
• the node devices 2 can be set up as described above, mitteis software to determine whether a subsequent node device 2 is connected or not.
• the node devices 2 can also be equipped with hardware components that support this task.
• the inputs and outputs of the node devices 2 may include logic components that cause a line of the patch cable existing between two node devices 2 to go to the binary value "0" when no subsequent node device 2 is connected and Binary value "1" results when a subsequent Node device 2 is connected.
• Fig. 2 shows a diagram of an inventive control electronics for Eiektrofiiter a building ventilation system according to a second embodiment.
• Embodiment is for each chain 3 a separate master device 1 available.
• Each of the master devices 1 is preferably powered by a separate power supply with the second supply voltage of 24 V in the example.
• the first supply voltage of 12 V in the example can be supplied by a single, common power supply.
• the master devices 1 are connected to each other via a bus.
• the first master device 1 is formed on the building control unit 4 anschiiessbar.
• the master devices 1 are treated in the implementation of the configuration method as a predecessor of the first node device 2 of the associated chain 3.
• the assignment of the location numbers to the node devices 2 of each of the chains 3 is carried out according to the above with reference to the first
• the master devices 1 each communicate individually, but via a common bus, with the building control unit 4 or they communicate with a master master device connected to the
• the master master device can be the master device 1 of the first Chain 3 or an additional master device without 24 V power supply (or 230 V power supply).
• the 24 V power supply (or 230 V power supply) can be integrated in all examples in the master device 1 or be a separate component.
• FIG. 3 shows a diagram of an inventive control electronics for Eiektrofilter a building ventilation system according to a third embodiment.
• the node devices 2 of each chain 3 can be numbered from 1 to n, wherein the number n denotes the number of node devices 2 of the corresponding chain, or it can be the node devices 2 all chains from 1 to m, where the number m denotes the total number of the node devices 2 of the control electronics, or the node devices 2 of all the chains 3 connected to the same master device 1 can vary from 1 to k
• the invention makes it possible to individually address and parameterize each node device 2 and thus each Eiektrofilter a large array of Eikrophofiitern. An error occurring in any Node device 2 or Eiektrofilter can thus be located and possibly automatically remedied by appropriate control commands.
• the node device 2 supplies the associated Eiektrofilter with the second
• Supply voltage (for example 24 V DC or 230 V AC). This supply voltage is preferably transmitted via a galvanic isolator, i.
• the node device 2 and the associated Eiektrofilter are galvanically isolated with advantage, as shown in the PCT application no.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• General Physics & Mathematics (AREA)
• Signal Processing (AREA)
• Human Computer Interaction (AREA)
• Mathematical Physics (AREA)
• Fuzzy Systems (AREA)
• Theoretical Computer Science (AREA)
• Electrostatic Separation (AREA)
• Ventilation (AREA)
• Programmable Controllers (AREA)

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Citations (1)

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• 2017
  • 2017-01-30 CH CH00096/17A patent/CH713392A1/de not_active Application Discontinuation
• 2018
  • 2018-01-29 JP JP2019528056A patent/JP7103666B2/ja active Active
  • 2018-01-29 WO PCT/EP2018/052090 patent/WO2018138315A1/de not_active Ceased
  • 2018-01-29 EP EP18702257.9A patent/EP3555712B1/de active Active
  • 2018-01-29 DK DK18702257.9T patent/DK3555712T3/da active
  • 2018-01-29 CA CA3051633A patent/CA3051633C/en active Active
  • 2018-01-29 RU RU2019122140A patent/RU2752102C2/ru active
  • 2018-01-29 AU AU2018212601A patent/AU2018212601B2/en active Active
  • 2018-01-29 KR KR1020197022228A patent/KR20190109425A/ko not_active Ceased
  • 2018-01-29 US US16/476,067 patent/US11079133B2/en active Active
  • 2018-01-29 CN CN201880008985.9A patent/CN110235067B/zh active Active
  • 2018-01-29 SG SG11201906651XA patent/SG11201906651XA/en unknown

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