EP1846886A1 - Method and device for detecting the energy and media consumption and the user-specific allocation in common ventilation and air conditioning systems - Google Patents
Method and device for detecting the energy and media consumption and the user-specific allocation in common ventilation and air conditioning systemsInfo
- Publication number
- EP1846886A1 EP1846886A1 EP06723005A EP06723005A EP1846886A1 EP 1846886 A1 EP1846886 A1 EP 1846886A1 EP 06723005 A EP06723005 A EP 06723005A EP 06723005 A EP06723005 A EP 06723005A EP 1846886 A1 EP1846886 A1 EP 1846886A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- consumer
- air
- air quantity
- measured
- 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- Withdrawn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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
Definitions
- the present invention relates to a method and a device for consumer-specific energy and media consumption recording and user-specific allocation in air conditioning systems, primarily shared air conditioning systems, according to the preamble of claim 1 or claim 17 or. of claim 11 or claim 23.
- Humidification water supply and / or the use of pre-and. Reheaters According to the previously known methods, the amounts of energy so counted are either proportionately allocated according to the regulated during production of the system air volumes on the j ejon final consumers or flat jem 2 rental space and charged, without taking into account the variable mode of operation.
- the consumer behavior over the entire operating period thus has no significant impact on the energy consumption of the system and the resulting energy costs, despite possibly sparing handling of individual consumers with the medium supply air.
- throttling and thus reducing the volume flow in the system part of one or the other end customer by throttling or blocking the supply air always the aforementioned static allocation factors are used for energy billing and thus the thrift of one individual all others equally credited.
- the object of the present invention is therefore to provide a method and a device for consumption cost recording in ventilation and air conditioning systems of the type mentioned above, with which or. with the user-specific energy and media consumption of variable Volumstromanlagen realized according to user behavior and thus the end consumer energy savings can be rewarded.
- Embodiment according to claim 17 or 23 in a simplified manner by classification of measured consumption values in certain percentage consumption levels possible.
- Figure 1 shows an example and schematically a ventilation system with four consumers, based on an energy
- Figure 2 is a block diagram illustrating a
- Figure 3 is a representation corresponding to Figure 2, j edoch to a method and apparatus for energy and media consumption detection and user-specific allocation in shared room air conditioning systems according to a second embodiment of the present invention
- Figure 4 is a schematic block diagram of the electrical structure of a device for energy and media consumer detection and user-specific allocation in shared room ventilation systems.
- FIG. 1 shows, for example, a ventilation system 10, the more, here four consumers 1, 2, 3, for example and 4 supplied.
- the system has a ventilation device 15 for air conveying and air conditioning, in the housing 16 an electrically operated fan 17, a cooler unit 18 and a heater unit 19 are arranged. It is understood that, depending on the requirement for air conditioning another arrangement selected, for example a
- Humidification unit can be added. Outside air is sucked in at one end 21 of the housing 16 and the conditioned air is fed to the individual consumers 1 to 4 at the other end 22 via a main channel 23.
- the main channel 23 is divided into supply channels 24, 25, 26 and 27 to the consumers 1, 2, 3 and 4.
- an air flow meter 28 is arranged with which the or. he submits to the consumer 1 to 4 leading air quantity resp. Volumetric flow can be measured or determined.
- the externally supplied energies in the form of electric energy for the fan 17, cold energy for the cooler unit 18 and heat energy for the heater unit 19 are each measured separately with a meter (EMZ) 31, (KMZ) 32 and (WMZ) 33.
- Each meter is equipped with a pulse output and outputs, for example, 100 pulses per kWh.
- the number of pulses delivered per kWh can also be specified counter-specific.
- the measuring pulses are supplied via lines 34 to 36 to a computer (CPU) 37, with the addition of measuring leads 38 to 41 connected to the Air quantity measuring devices 28 of the individual consumer units 1 to 4 are connected.
- the computer 37 in accordance with two exemplary embodiments, the measured energy consumptions of the individual consumers 1 to 4 or the like are described in the manner described below. 1 'and 2' consumer-specific linked to the supplied amounts of energy and billed.
- FIG. 10 A first embodiment of a consumer-specific consumption cost detection in the system 10 is shown in FIG.
- each consumer 1 to 4 by means of the associated measuring device 28, for example. in the form of a jam cross determines the amount of air or air rate supplied to the consumer concerned per unit time.
- the differential pressure .DELTA.P is detected in Lufmengen- meter 28 and converted in a linear manner in an analog current or voltage value.
- a current value in the range of 4 to 20 mA is used.
- the current current value is scaled or blocked in block 46. normalized and etched in block 47. It is understood that the scaling and erasing can already take place in the measuring transducer, that is to say in the measuring device 28, so that the blocks 46 and 47 are then omitted.
- C4 becomes the erased differential pressure in a multiplication unit 48 multiplied by the relevant correction factor C1 to C4, the result is the volume flow V or. the air rate of each consumer 1 to 4 according to the equation
- V1, V2, V3 and V4 are both fed to an adder (ADD) 49, which determines the total volume flow (Vges), as at a certain point in time or time. has been consumed in a certain period, results, and in each case individually supplied to each divisional unit (DIV) 51 assigned to each consumer 1 to 4, in which the individual volume flow V1, V2, V3 or. V4 is set in relation to the total volume flow Vges delivered by the adder 49 and from this a charge factor UF1, UF2, UF3 or UF4 for each consumer 1 to 4 is determined, which appears on the output side at the associated division unit 51.
- ADD adder
- the quantities of energy supplied from outside are processed in accordance with the outputs of the measuring devices 31 to 33, whose output pulses in the respective circuit 56, 57 to 58 are summed over time or accumulated. have been integrated.
- the contribution factor UF of each consumer 1 to 4 is multiplied by the output pulses of both the electric energy meter (EMZ) 31 and the refrigeration energy meter (KMZ) 32 and the heat energy meter (WMZ) 32 in a multiplication unit 52, 53 and 54, respectively respective state counters 61, 62 and. 63 of the individual consumers 1 to 4 fed separately.
- the air flow measurements and their processing are cyclically repeated with the cycle being ⁇ 125 ms.
- the actual cycle time is a dynamic quantity, depending on the number of calculation blocks to be executed in the program.
- the values resulting from each cycle (rational numbers) at the output of the respective multiplication units 52, 53 and / or. 54 are added up and counted in the respective state counters 61, 62, 63 of each consumer and stored.
- the determination of the consumer-specific total-year energy consumption is realized by reading the evaluated pulses accumulated in the state counters 61 to 63. These values then give the consumer-specific energy costs by linking with the energy price per kilowatt hour.
- the permanent reading option not only the user-specific energy and media consumption in kWh and m 3 but also the user-specific supply air volume flows in m 3 / h as the actual value and the user-specific exhaust air or.
- the air flow measurements and their processing are cyclically repeated, the cycle being less than or equal to 125 ms.
- the values resulting from each measuring cycle (rational numbers) at the output of the respective multiplication units 52, 53 and / or. 54 are added up and counted in the respective state counters 61, 62, 63 of each consumer and stored.
- the transfer system routine air volume-related apportionment factor formation and apportionment of the energy equivalent of the received impulse to the respective users and / or users is immediately displayed. Consumer, started.
- the Detection of the individual volume flows is continuous or permanent.
- the system provides a permanent current input signal (4 - 20 inA) from the intercooler differential pressure can combinations (air flow meters). Typically, this detection is also possible with voltage input signals (0 - 10 V).
- each measurement device 28 ' which in the form of a jam passes the measured pressure difference in a converted manner as a voltage or current value in the order of 4 to 20 mA, has several, here four threshold value switches 66, 67, 68 and 69 assigned. Each of these threshold switches 66 to 69 is activated in a certain area that does not overlap with the other areas.
- the threshold value switch 66 has a range of 20 to 40%, the threshold value switch 67 a range of 40 to 60%, the threshold value switch 68 a range of 60 to 80% and the threshold value 69 a range of 80 to 100%.
- This variant can be used in multi-stage ventilation systems.
- the level control is then to be agreed with the level detection.
- each threshold value switch 66 to 69 of each group of threshold value switches connected to an associated air quantity meter 28 ' is connected to an AND circuit (AND) of a group 71 and 72 and 73.
- AND AND
- the first group 71 from here four AND circuits 71 on the input side with the output of the heat quantity meter (WMZ) 33
- each of the measuring devices 31' - 33 ' is assigned a group 71, 72 or 73 of AND circuits, which groups j in each case to the air flow meter 28 'of the consumer 1' or. belong to that of the consumer 2 '.
- each group 71, 72, 73 of AND circuits is connected on the output side to the input of a state counter unit 61 ', 62' or 63 '.
- each state counter unit 61 ', 62', 63 ' covers percentage state regions in the form of counters for the ranges 20 to 40%, 40 to 60%, 60 to 80% or 60 to 80%. 80 to 100% off.
- a group of such counters is in each case assigned to both a type of energy and a consumer 1 'and 2'.
- the energy pulses emitted by each of the measuring devices 31 ', 32', 33 ' are applied to all of the respective groups 71, 72, 73 of AND circuits.
- the energy pulses are from the relevant AND circuit or the relevant AND circuits only then one of the counters
- State counter units 61 ', 62', 63 ' are allowed to pass if one or more pulses are present or occur from the output of an activated threshold switch 66 to 69. be supplied. These transmitted energy pulses are counted in the respective counter (s). added up.
- the energy consumption per tenant and type of energy is calculated from the states of the counters of each state counter unit 61 ', 62', 63 'according to the following formulas:
- the determination or Calculating the total energy consumption j e Consumers 1 'and 2' is performed, for example, with the collected raw data of the computer (CPU) 37 externally using a spreadsheet program.
- FIG. 4 shows a block diagram of the basic circuit design.
- the computer (CPU) 37 is with the air flow meters 28 or 28 'of a j eden consumer 1 to 4 or. 1 'and 2', in the embodiment of FIG. 2 the scaling, erasing and multiplying circuits with the correction factor C may be contained within the measuring devices 28 or in the CPU 37.
- the leading from the individual air flow meters 28 to the CPU 37 measuring lines 81 to 84 may be shielded or unshielded.
- the CPU 37 may be provided with wire break monitoring for the measurement lines 81 to 84.
- the CPU 37 is connected to a power supply 86.
- Display device 88 transmits the steady or optionally the consumption data per consumer 1 to 4 or. 1 'and 2' and if necessary per type of energy.
- the contribution factor formation can take place cyclically, that is to say at constant time intervals, while the determination of the consumption costs does not take place at constant time intervals, but always upon receipt of a meter pulse.
- the summation of consumption costs is preferred.
- the levy factor formation takes place permanently, that is, continuously, that is, the levy factors are dynamically formed in direct dependence on the air volume distribution in the overall system and used in an incoming energy or media counter impulse to levy on the j eodia consumers.
- the total amount of air as a calculation parameter for levy formation instead of the sum of all individual air volumes (n-1)
- n-1 the sum of all individual air volumes
- An example of an application would be a ventilation system which largely supplies general areas to which individually billable smaller consumers are connected.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510007914 DE102005007914A1 (en) | 2005-02-08 | 2005-02-08 | Method and device for recording consumption costs in ventilation and air conditioning systems |
PCT/EP2006/001045 WO2006084656A1 (en) | 2005-02-08 | 2006-02-07 | Method and device for detecting the energy and media consumption and the user-specific allocation in common ventilation and air conditioning systems |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1846886A1 true EP1846886A1 (en) | 2007-10-24 |
Family
ID=36282627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06723005A Withdrawn EP1846886A1 (en) | 2005-02-08 | 2006-02-07 | Method and device for detecting the energy and media consumption and the user-specific allocation in common ventilation and air conditioning systems |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1846886A1 (en) |
DE (1) | DE102005007914A1 (en) |
WO (1) | WO2006084656A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI468694B (en) * | 2012-04-17 | 2015-01-11 | Au Optronics Mfg Shanghai Corp | Panel test system, panel test pen and operation method thereof |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006022956A1 (en) * | 2006-05-11 | 2007-11-15 | Tiede, Christoph, Dipl.-Ing. | Method and device for user-specific consumption cost recording for jointly used refrigeration systems |
DE102012100304A1 (en) * | 2012-01-13 | 2013-07-18 | Hochschule Für Technik Und Wirtschaft Berlin | Method for controlled air conditioning in air conditioning system, involves supplying coolant to air cooler through temperature controlling unit and flow rate adjusting unit that adjusts coolant flow rate |
DE202014101863U1 (en) | 2014-04-17 | 2014-04-29 | Halstrup-Walcher Gmbh | Energy meter for detecting an amount of energy supplied by a heating and / or air conditioning center to a consumer |
DE102015101407B4 (en) | 2014-04-17 | 2017-07-27 | Luftmeister GmbH | Energy meter and method for detecting an amount of energy supplied by a heating and / or air conditioning center to a consumer |
CN104534634B (en) * | 2015-01-16 | 2017-06-30 | 泰安市智慧能源科技有限公司 | A kind of central air-conditioning energy emission reduction automatic monitoring device |
DE102018105063A1 (en) | 2018-03-06 | 2019-09-12 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Apparatus and method for air volume detection |
WO2024094761A1 (en) * | 2022-11-04 | 2024-05-10 | Belimo Holding Ag | Method for monitoring consumer-specific operational costs of at least one component of an hvac system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2722485A1 (en) * | 1977-05-18 | 1978-11-23 | Eberhard Dipl Ing Schlemper | Electronic determn. for heating costs - enables temp. differences to be obtained for each specified volume of water flowing through consumer unit |
US4308992A (en) * | 1979-07-05 | 1982-01-05 | Horton Donald B | Metered-usage variable-volume air distribution system |
US4933633A (en) * | 1981-06-09 | 1990-06-12 | Adec, Inc. | Computer controlled energy monitoring system |
US4591988A (en) * | 1983-07-13 | 1986-05-27 | Control Energy Corporation | Energy cost allocation method and system |
DE3530946C3 (en) * | 1985-08-29 | 1994-07-14 | Schache Hans Juergen | Device for measuring quantities of hot water extracted from a hot water network |
US4804957A (en) * | 1985-11-27 | 1989-02-14 | Triad Communications, Inc. | Utility meter and submetering system |
DE3612121C2 (en) * | 1986-04-08 | 1997-05-22 | Atp Arbeit Tech Photosynthese | System for recording and controlling the services of utilities to end users via a data transmission network |
DD274476A1 (en) * | 1988-07-27 | 1989-12-20 | Karl Marx Stadt Energie | METHOD FOR USER-ORIENTED, HEATING-RELATED COLLECTION, CONTROL AND ACCOUNTING OF THE WEATHER COVER |
US5924486A (en) * | 1997-10-29 | 1999-07-20 | Tecom, Inc. | Environmental condition control and energy management system and method |
DE19816590A1 (en) * | 1998-03-03 | 1999-09-23 | Hansgeorg Schuldzig | Measurement system for measuring and detecting the volume flow at at least two measurement or load points |
DE10117112C2 (en) * | 2001-04-06 | 2003-02-20 | Joachim Falkenhagen | Control and consumption recording method for several heat or cold consumers |
-
2005
- 2005-02-08 DE DE200510007914 patent/DE102005007914A1/en not_active Withdrawn
-
2006
- 2006-02-07 EP EP06723005A patent/EP1846886A1/en not_active Withdrawn
- 2006-02-07 WO PCT/EP2006/001045 patent/WO2006084656A1/en active Application Filing
Non-Patent Citations (1)
Title |
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See references of WO2006084656A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI468694B (en) * | 2012-04-17 | 2015-01-11 | Au Optronics Mfg Shanghai Corp | Panel test system, panel test pen and operation method thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2006084656A1 (en) | 2006-08-17 |
DE102005007914A1 (en) | 2006-08-10 |
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