EP3268681B1 - Unité de commande et procédé d'opération d'un système de compresseur de fluide frigorigène - Google Patents

Unité de commande et procédé d'opération d'un système de compresseur de fluide frigorigène Download PDF

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Publication number
EP3268681B1
EP3268681B1 EP16709912.6A EP16709912A EP3268681B1 EP 3268681 B1 EP3268681 B1 EP 3268681B1 EP 16709912 A EP16709912 A EP 16709912A EP 3268681 B1 EP3268681 B1 EP 3268681B1
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EP
European Patent Office
Prior art keywords
operating
image element
unit
data
refrigerant
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.)
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Application number
EP16709912.6A
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German (de)
English (en)
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EP3268681A1 (fr
Inventor
Finn Christensen
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.)
Bitzer Kuehlmaschinenbau GmbH and Co KG
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Bitzer Kuehlmaschinenbau GmbH and Co KG
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Publication of EP3268681A1 publication Critical patent/EP3268681A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays

Definitions

  • the invention relates to a control unit for operating a refrigerant compressor system, wherein the refrigerant compressor system has a first refrigerant line system for expanded refrigerant and a second refrigerant line system for compressed refrigerant of at least one refrigerant compressor working between the first refrigerant line system and the second refrigerant line system, which is driven by its own motor, wherein the control unit has an operating unit.
  • the invention is therefore based on the object of improving a control unit of the generic type in such a way that it can be operated in a user-friendly manner.
  • the advantage of the solution according to the invention can therefore be seen in the fact that it opens up the possibility of displaying at least one component or several components of the refrigerant compressor system on the visualization unit and thus simplifying an easy-to-understand user interface for the operation of the same and making it more transparent and clearer for an operator .
  • the components of the refrigerant compressor unit can be of the most varied types.
  • the component comprises at least one refrigerant compressor and that the operating unit uses the image element data of the at least one refrigerant compressor to display this refrigerant compressor as a compressor image element on the visualization unit.
  • Such a compressor picture element can be designed in the most varied of ways.
  • the respective compressor image element is a realistic image of the respective refrigerant compressor, which makes it easier for an operator to recognize it.
  • the respective compressor image element is an abstracted image of the respective refrigerant compressor.
  • a further advantageous alternative provides that the component comprises at least one refrigerant line and that the operating unit uses the image element data of the refrigerant line to display the refrigerant line as a line image element on the visualization unit.
  • the respective line element prefferably be an abstracted image of the at least one refrigerant line.
  • the component of the refrigerant compressor system includes at least one sensor and that the operating unit uses the image element data of the at least one sensor to display the sensor as a sensor image element on the visualization unit.
  • the sensor image element it would be conceivable for the sensor image element to be a realistic representation of the sensor.
  • the sensor image element is an image element that represents the respective sensor in an abstract manner, with such an image element that abstracts the respective sensor has the advantage of representing the existence of the sensor with sufficient precision, but on the other hand does not require a large amount of data for the representation of the sensor picture element needed.
  • the sensor image element is an image element that symbolically represents the respective sensor and that requires even less data volume for the display.
  • the operating unit has a memory for sensor data and that the operating unit displays the sensor data on the visualization unit.
  • the sensor data are thus easily available to an operator.
  • the operating unit displays the sensor data together with the sensor image element on the visualization unit.
  • sensor data is to be understood as meaning all the data required in connection with the sensor.
  • the sensor data can either be a specification of the sensor itself or sensor values.
  • the sensor values detected by the sensors are displayed as part of the sensor data, for example with the sensor image element.
  • the respective sensor picture element is a picture element with a display field for the respective sensor value measured by the sensor.
  • the sensor image has a scale and the display element is represented as a pointer which indicates the sensor value by the pointer pointing to the respective numerical value on the scale.
  • the solution according to the invention also provides that the sensor image element is displayed at the location of the refrigerant compressor system at which the sensor detects the respective sensor value.
  • a further advantageous embodiment of the solution according to the invention provides that the component includes at least one actuator of the refrigerant compressor system and that the operating unit uses the image element data of the at least one actuator to display this actuator as an actuator image element on the visualization unit.
  • actuators All components of the refrigerant compressor system that bring about or control a function are to be understood as actuators.
  • the operating unit has a memory for actuator data and if the operating unit displays the actuator data on the visualization unit.
  • the actuator data are displayed in association with the actuator picture element.
  • the actuator data to be represented by a display element.
  • the actuator data is represented as numbers.
  • a further advantageous embodiment provides that the operating unit has a memory for image element data for displaying at least one operating state of the refrigerant compressor system and that the operating unit uses the image element data of the at least one operating state of the refrigerant compressor system to display a visualization the at least one operating state of the refrigerant compressor system takes place as a state image element on the visualization unit.
  • the status picture element prefferably displayed in connection with the respective component picture element to which the operating state is assigned.
  • the status picture element may be represented by a graphic symbol in the respective component picture element or next to the respective component picture element.
  • a further solution provides for the status picture element to be displayed as a status field assigned to the individual component picture element.
  • a further advantageous solution provides that the operating unit has a memory for image element data for displaying at least one operating element of the operating unit and that the operating unit uses the image element data of the at least one operating element of the operating unit to visualize the at least one operating element takes place as a control element picture element on the visualization unit.
  • the memory has image element data for displaying at least one operating state of the respective operating element of the operating unit and that the at least one operating state of the operating element is visualized as an operating state image element on the visualization unit by the operating unit using the image element data of the at least one operating state of the respective operating element.
  • the operating state element can be displayed in a wide variety of ways.
  • An advantageous solution provides that the operating status picture element is displayed on the visualization unit in association with the respective operating element picture element.
  • An advantageous solution provides that the visualization unit is designed in such a way that a command can be generated by manual interaction with one of the displayed image elements of the operating unit.
  • the manual interaction can consist in that the image element is approached with a cursor and the manual interaction takes place, for example, by a mouse click, so that the command can thereby be generated and, in particular, also transmitted.
  • the visualization unit is designed as a touch-sensing visualization unit, in particular has a touch-sensitive surface, and that the manual interaction takes place by manually touching the surface of the visualization unit in the area of the image element displayed on the visualization unit.
  • Such a visualization unit is designed in particular as a so-called touchscreen, so that the manual interactions can be the usual interactions provided with a touchscreen.
  • Such manual interactions can be a tap or a swipe, for example in a horizontal or vertical direction, or an enlargement or reduction by moving two touch points relative to one another, i.e. moving two touch points apart or together.
  • the generated and transmitted command can be of a wide variety of types.
  • the command is a command for activating or deactivating or changing an action.
  • command it is also conceivable for the command to be used to change the display, for example to call up a different display or a further display.
  • a further representation can be a modified representation of the same or a further image element.
  • the further display function is an enlarged display of the same picture element.
  • a further possibility provides that the further representation of the respective picture element is a representation of the respective picture element with further picture elements.
  • the visualization unit communicates with the operating unit via a cable, i.e. in this case the visualization unit is either arranged stationary on the operating unit or can be moved relative to the operating unit, but via a cable.
  • Another advantageous solution provides that the visualization unit communicates wirelessly with the operating unit.
  • Wireless communication is to be understood, for example, as communication via W-Lan or Bluetooth or another wireless communication network, for example a radio network.
  • the visualization unit is a portable unit that can easily be carried along by the operator.
  • This is implemented, for example, in such a way that a tablet computer or even a mobile phone or a similarly designed mobile device is used as the visualization unit, via which communication with the operating unit is possible.
  • a wired visualization unit communicating with the operating unit is provided and additionally an operating unit communicating wirelessly with the operating unit is provided so that the advantages of both solutions are combined.
  • the component includes at least one refrigerant compressor and that the operating unit uses the image element data of the at least one refrigerant compressor to display this refrigerant compressor as a compressor image element on the visualization unit.
  • the respective compressor image element is a realistic image of the respective refrigerant compressor.
  • the respective compressor image element is an abstracted image of the respective refrigerant compressor.
  • a favorable solution provides that the component comprises at least one refrigerant line and that the operating unit uses the image element data of the at least one refrigerant line to display this at least one refrigerant line as a line image element on the visualization unit.
  • the respective line image element is a realistic image of the at least one refrigerant line.
  • the respective line image element is an abstracted image of the at least one refrigerant line.
  • the invention provides that the component includes at least one sensor and that the operating unit displays the at least one sensor on the visualization unit as a sensor image element using the image element data of the at least one sensor.
  • the sensor image element is an image element that abstracts the respective sensor.
  • the sensor image element is an image element symbolically representing the respective sensor.
  • a further solution provides that the operating unit stores sensor data and that the operating unit displays the sensor data on the visualization unit.
  • the sensor values recorded by the sensors are displayed as part of the sensor data.
  • the sensor image element is displayed at the location of the refrigerant compressor system at which the sensor detects the respective sensor value.
  • a further advantageous solution provides that the component comprises at least one actuator of the refrigerant compressor system and that the operating unit uses the image element data of the at least one actuator to display this actuator as an actuator image element on the visualization unit.
  • the operating unit stores actuator data and if the operating unit displays the actuator data on the visualization unit.
  • the actuator data are represented by a display element.
  • the actuator data is represented as numbers.
  • a further solution to the problem according to the invention provides, alternatively or additionally, that the operating unit stores image element data for displaying at least one operating state of the refrigerant compressor system and that the operating unit uses the image element data of the at least one operating state of the refrigerant compressor system to visualize the at least one operating state of the refrigerant compressor system as a state image element, running on the visualization unit.
  • the status picture element is represented as a status field assigned to the individual component picture element.
  • the solution to the problem according to the invention provides that the operating unit stores image element data for displaying at least one operating element of the operating unit and that the operating unit uses the image element data of the at least one operating element of the operating unit to visualize the operating elements as operating image elements on the visualization unit.
  • the operating unit stores image element data for displaying at least one operating state of the respective operating element of the operating unit and that the operating unit uses the image element data of the respective operating state of the operating element to visualize the operating state of the operating element of the refrigerant compressor system as an operating state image element on the visualization unit.
  • the operating status picture element is displayed on the visualization unit in association with the respective operating element picture element.
  • the solution according to the invention also provides that the visualization unit is designed in such a way that a command is generated by manual interaction with one of the picture elements of the operating unit.
  • the visualization unit is designed as a touch-sensing visualization unit and the manual interaction takes place by manually touching a surface of the visualization unit in the area of the image element displayed on the visualization unit, the command transmitted being a call-up of a further display of at least one picture element, so that the further display is a modified one Representation of the same or another picture element is.
  • the further representation is an enlarged representation of the same picture element.
  • the further representation of the respective picture element is a representation of the respective picture element with further picture elements.
  • the visualization unit communicates with the operating unit by wire.
  • Another alternative or supplementary solution provides that the visualization unit communicates wirelessly with the operating unit.
  • the visualization unit is carried along by an operator.
  • the schematically illustrated refrigerant circuit K comprises a first line system LSE for expanded refrigerant, a second line system LSV for compressed refrigerant and a refrigerant compressor system KVA that compresses the expanded refrigerant from the line system LSE and feeds the compressed refrigerant to the line system LSV for compressed refrigerant.
  • the refrigerant circuit K also includes a heat exchanger WTV for cooling the refrigerant compressed by the refrigerant compressor system KVA, which is connected to the line system LSV, an expansion element EXP which is arranged downstream of the heat exchanger WTV and which expands the compressed refrigerant and feeds it to a heat exchanger WTE, in which the refrigerant cooled by the expansion is able to absorb heat.
  • a heat exchanger WTV for cooling the refrigerant compressed by the refrigerant compressor system KVA, which is connected to the line system LSV
  • an expansion element EXP which is arranged downstream of the heat exchanger WTV and which expands the compressed refrigerant and feeds it to a heat exchanger WTE, in which the refrigerant cooled by the expansion is able to absorb heat.
  • the illustrated refrigerant compressor system KVA in turn comprises at least one, for example three in the illustrated embodiment, refrigerant compressor modules 10 1 , 10 2 and 10 3 , which operate in parallel between the first line system LSE for expanded refrigerant and the second line system LSV for compressed refrigerant, with each of the refrigerant compressor modules 10 1 to 10 3 sucks in refrigerant from the first line system LSE, compresses it and supplies it to the line system LSV as compressed refrigerant.
  • each of the refrigerant compressor modules 10 comprises a first refrigerant line 12, which is connected to the first line system LSE for the expanded refrigerant and, in the illustrated refrigerant compressor module 10 1 , includes three supply lines 14, 16 and 18 , each of which leads to a refrigerant compressor 22, 24, 26, each driven by its own motor 32, 34, 36, preferably an electric motor.
  • Each of these refrigerant compressors 22, 24, 26 compresses the refrigerant supplied via the first refrigerant line 12 to a higher pressure than the pressure in the first refrigerant line 12, this higher pressure usually being a medium pressure or a high pressure.
  • the compressed refrigerant is fed from the respective refrigerant compressor 22, 24, 26 to a second refrigerant line 42, which includes branch lines 44, 46, 48 leading to each of the refrigerant compressors 22, 24, 26.
  • the second refrigerant line 42 for the compressed refrigerant includes a lubricant separator designated as a whole with 52, with which a separation of the compressed refrigerant from the refrigerant compressors 22, 24, 26 entrained in the lubricant takes place, which is in the Lubricant separator 52, for example on the bottom, collects and, starting from the lubricant separator 52, is fed back to the individual refrigerant compressors 22, 24, 26 for lubrication via a lubricant supply system 54.
  • a lubricant separator designated as a whole with 52, with which a separation of the compressed refrigerant from the refrigerant compressors 22, 24, 26 entrained in the lubricant takes place, which is in the Lubricant separator 52, for example on the bottom, collects and, starting from the lubricant separator 52, is fed back to the individual refrigerant compressors 22, 24, 26 for lubrication via a lubricant supply system 54.
  • the lubricant supply system 54 also includes a lubricant cooling system 56.
  • the second refrigerant line 42 also carries the refrigerant routed through the lubricant separator 52 to the second refrigerant line system LSV.
  • a first temperature sensor 62 is provided for detecting a temperature of the expanded refrigerant routed by the first refrigerant line 12 , which sensor detects the temperature of the flow of expanded refrigerant routed in the first refrigerant line 12 .
  • an intake pressure of the individual refrigerant compressors 22, 24, 26 is detected, with each intake side 72, 74, 76 of the refrigerant compressors 22, 24, 26 being assigned a suction pressure sensor 82, 84, 86, for example.
  • suction pressure sensors 82, 84, 86 instead of the individual suction pressure sensors 82, 84, 86, to connect the intake sides 72, 74, 76 to one another by means of a pressure detection line and to assign a common suction pressure sensor for all intake sides 72, 74, 76 to the pressure detection line, so that an averaged Intake pressure can be detected by this suction pressure sensor.
  • the pressure sides 92, 94, 96 of the refrigerant compressors 22, 24, 26 are monitored, with end pressure sensors 102, 104, 106 being assigned to the individual pressure sides 92, 94, 96 of the refrigerant compressors 22, 24, 86, for example are.
  • the individual branch lines 44, 46, 48 are assigned second temperature sensors 112, 114, 116, for example, which measure the temperature of the refrigerant compressed by each individual refrigerant compressor 22, 24, 26 can be detected individually in each of the individual branch lines 44, 46, 48.
  • the lubricant supply system 54 is assigned both a lubricant temperature sensor 122 and, for example, a lubricant pressure is measured by lubricant pressure sensors 124, 126, 128, in particular in each case near the lubricant inlet of the individual refrigerant compressors 22, 24, 26.
  • actuators are also provided to control the operation of the individual refrigerant compressor modules 10. These are, for example, the individual motors 32, 34, 36 with motor controls 132, 134, 136 assigned to them, which are designed, for example, as converters.
  • the individual compressors 22, 24, 26 are also assigned control elements 142, 144, 146 as actuators, with which the pressure ratio and/or the volume ratio of the individual refrigerant compressors 22, 24, 26 is controlled.
  • the individual operating states of the individual refrigerant compressor modules 10 1 to 10 3 are controlled by a control unit designated as a whole by 150, which is shown in 1 in connection with the refrigerant compressor modules 10 1 to 10 3 and in 3 is shown in detail.
  • the individual refrigerant compressor modules 10 1 to 10 3 are controlled on the basis of sensor values from one or more of the sensors explained above or on the basis of external reference variables of the refrigerant circuit, for example a pressure of the expanded refrigerant in the first refrigerant line system LSE or in the heat exchanger unit WTE or a pressure of the compressed refrigerant in the LSV refrigerant line system.
  • control unit 150 has a bus system 152, with which a first central processor unit 154 and a second central processor unit 156 and input/output units 172, 174 and 176 are coupled to one another.
  • central processor units 154 and 156 are also provided with input/output units 164, 166 directly assigned to them.
  • the temperature sensor 62 is connected to the input/output unit 172 .
  • one of the suction pressure sensors 82, 84, 86 is connected to one of the input/output units, for example the suction pressure sensor 82 is connected to the input/output unit 172, the suction pressure sensor 84 with the input/output unit 176 and the suction pressure sensor 86 with the input/output unit 176.
  • the pressure sides 92, 94, 96 of the refrigerant compressors 22, 24, 26 are monitored by the final pressure sensors 102, 104, 106, one of the final pressure sensors being connected to one of the input/output units, for example the final pressure sensor 102 to the input -/Output unit 172, the final pressure sensor 104 with the input/output unit 174 and the final pressure sensor 106 with the input/output unit 176.
  • the temperature sensors 112, 114, 116 assigned to the branch lines 44, 46, 48 of the second refrigerant line 42 are each connected to one of the input/output units 172, 174, 176, for example the temperature sensor 112 to the input/output unit 172, the temperature sensor 114 with the input/output unit 174 and the temperature sensor 116 with the input/output unit 176.
  • one of the lubricant pressure sensors 124, 126, 128 is connected to one of the input/output units, for example lubricant pressure sensor 124 to input/output unit 172, lubricant pressure sensor 126 to input/output unit 174, and lubricant pressure sensor 128 to the input/output unit 176.
  • the lubricant temperature sensor 122 is additionally connected to the input/output unit 176, for example.
  • connection to the actuators is also preferably made via the input/output units 172, 174, 176.
  • the individual engine controls 132, 134, 136 are also connected to individual input/output units.
  • engine controller 132 is coupled to input/output unit 172
  • engine controller 134 is coupled to input/output unit 174
  • engine controller 136 is coupled to input/output unit 176.
  • the other actuators for example the control elements 142, 144, 146 for controlling the volume or pressure ratio of the refrigerant compressors 22, 24, 26 are connected to various input/output units.
  • control 142 is connected to input/output unit 172
  • control 144 is connected to input/output unit 174
  • control 146 is connected to input/output unit 176.
  • the sensors and actuators which are assigned to one of the refrigerant compressors 22, 24, 26 are preferably assigned to an input/output unit.
  • the two provided central processor units 154 and 156 are preferably used as redundant central processor units and work as follows:
  • the first central processor unit 154 takes over all control functions for the refrigerant compressor system according to the invention, in particular for all refrigerant compressor modules 10 1 to 10 3 and communicates in particular with the corresponding input/output units 172, 174 and 176 via the bus system 152.
  • the second central processor unit 156 operates in a wait state that does not correspond to the input/output units 172, 174 and 176, with the second central processor unit 156 being continuously or at successive intervals in the wait state transmitted a data stream which contains all of the data recorded by the first central processor unit 154 and stored in data stored in a memory 194 is also transmitted to a memory 196 of the second central processor unit 156, so that the second central processor unit 156 is always able to take over control of the refrigerant compressor system KVA according to the invention with the individual refrigerant compressor modules 10 1 to 10 3 .
  • the second central processing unit 156 constantly monitors the first central processing unit 154 in such a way that it checks its function by transmitting data.
  • the second central processor unit 156 determines that an error has occurred in the first central processor unit 154, the second central processor unit 156 takes over control of the refrigerant compressor system KVA according to the invention with the individual refrigerant compressor modules 10 1 to 10 3 and deactivates the first central processor unit 154 for this purpose.
  • control unit 150 is protected against a failure of the first central processor units 154 .
  • sensors 62 primarily intended for measurement and/or sensors 102, 104, 106 and/or other sensors are also redundant sensors, for example sensors R62 and/or sensors R102, R104, R106 , can be secured against failure, with these redundant sensors R62, R102, R104, R106 being able to be connected, for example, to both the input/output unit 164 and the input/output unit 166, so that both when the refrigerant compressor system KVA is controlled by the first central processor unit 154 or the second central processor unit 156 to be available for interrogation if the respective sensor 62, 102, 104, 106 primarily intended for measurement fails.
  • control unit 150 To operate the control unit 150, it has an operating unit designated as a whole with 200, which in turn is provided with a wired visualization unit 202 communicating with the operating unit 200, as well as a memory 204 and a processor 206 for generating image elements on the visualization unit 202, wherein the pixels on the visualization unit 202 are generated by the processor 206 from pixel data stored in the memory 204.
  • a wired visualization unit 202 communicating with the operating unit 200, as well as a memory 204 and a processor 206 for generating image elements on the visualization unit 202, wherein the pixels on the visualization unit 202 are generated by the processor 206 from pixel data stored in the memory 204.
  • a visualization unit 202' communicating wirelessly with the operating unit 200 is provided, which communicates with the operating unit via W-Lan, Bluetooth or another communication network, for example, and in one embodiment can be a suitable mobile phone or tablet computer.
  • a visualization unit 202' is thus portable and can be used by an operator at any time for monitoring and/or functional control of the refrigerant compressor system KVA.
  • the operating unit 200 generates the 4 represented overview representation, which is a composition of the module picture elements B10 1 , B10 2 and B10 3 , each of these module picture elements B10 representing one of the refrigerant compressor modules 10 as an image.
  • control image elements BB which represent control elements with which individual functions of the control unit 150 can be activated or deactivated.
  • an operating state image element BZB can preferably be displayed on the visualization unit 202, which shows the operating state, for example by means of a light/dark difference or a color difference.
  • the overview includes according to 4 another status picture element BZ which, for example, indicates status data ZD from an operating status.
  • the visualization unit 202 is provided with a touch-sensitive surface 208 so that the visualization unit 202 is designed, for example, as a so-called touch screen, so that it is possible to manually touch and also move a manual touch as a command for the operating unit 200 to recognize.
  • module picture elements B10 1 to B10 3 it is possible to call up one of the module picture elements B10 1 to B10 3 as an enlarged display as the second user interface, either by touching the area within the respective module picture element B10 1 to B10 3 of the overview display or by wiping horizontally or vertically or by moving apart two tactile points within the module picture element B10 to determine the enlargement of the same.
  • FIG figure 5 The module picture element BM10 that is shown and then shown as a whole exclusively on the visualization unit 202, for example the module picture element BM10 1 , is as in FIG figure 5 shown, made up of several picture elements, for example the module picture element B10 is made up of individual realistic compressor picture elements B22, B24 and B26, which represent the individual compressors 22, 24, 26.
  • Each of the individual compressor picture elements B22, B24, B26 as exemplified by the figure 5 shown, be a realistic image of the respective refrigerant compressor 22, 24, 26 in order to make operation and possibly also maintenance easier for the operator solely through this image element, since he does not have to identify the respective refrigerant compressor 22, 24, 26 by means of a symbol, but can identify it according to its actual appearance.
  • the module image element B10 also has line image elements, for example a line image element B12 for the first refrigerant line 12 and a line image element B42 for the second refrigerant line 42, which are shown in connection with the compressor image elements B22, B24 and B26 and thus the refrigerant compressors 22, 24, 26 in connection with the first refrigerant line 12 and the second refrigerant line 42 represent.
  • the image element B42 for the second refrigerant line also includes, for example, the representation of the lubricant separator 52 provided in the second refrigerant line B42.
  • module image element B10 includes the representation of the line image element B54, which represents the lubricant supply system 54 and thus also the supply lines for the lubricant to the individual refrigerant compressors 22, 24, 26 shows.
  • the module picture element B10 also includes, for example, the picture elements B32, B34 and B36 as actuator picture elements, which are realistic images of these motors 32, 34, 36 to represent the motors 32, 34, 36.
  • the module image element B10 also includes, for example, the actuator image elements B142, B144 and B146, which represent, for example, schematic images of the control elements 142, 144 and 146 for setting the pressure ratio and/or the volume ratio of the refrigerant compressors 22, 24, 26.
  • Another manual action is an enlarged individual display of one of the refrigerant compressors 22 as the third user interface , 24, 26, for example of the refrigerant compressor 22 by the image element B22, possible as in 6 shown, in which case, for example, the compressor picture element B22 is shown without the line picture elements B12 and B42.
  • an enlarged actuator image element B142 is also shown in connection with the compressor image element B22, which shows the setting of the control element 142 for setting the pressure ratio and/or the volume ratio of the respective refrigerant compressor, in this case the refrigerant compressor 22, in an enlarged representation.
  • this representation shows an analog scale of a pressure measuring instrument as the sensor image element B82, with a pointer in the analog scale pointing to the respective sensor value, measured with the suction pressure sensor 82.
  • an analog scale with a pointer is shown as the sensor image element B102 , the pointer pointing to the sensor value that the final pressure sensor 102 detects on the pressure side 92 of the refrigerant compressor 22 .
  • an analog scale with a pointer is also shown as the sensor image element B124 , the pointer pointing to the sensor value which the lubricant pressure sensor 124 measures at the lubricant supply of the refrigerant compressor 22 .
  • actuator data is also shown in a picture element BAD as a display element with an analog scale, which symbolizes the pressure ratio and/or volume ratio with which the refrigerant compressor 22 is working based on the specification by the control element 142 .
  • the actuator picture element B32 is also shown, which shows the motor 32 that drives the first refrigerant compressor 22, and actuator data of the motor 32 are also shown with this picture element B32 in the form of a picture element BAD.
  • line image element B42 and/or B54 shows the lubricant supply system 54 in connection with the second refrigerant line 42, in particular in connection with the lubricant separator 52 and also the lubricant cooler 56 arranged in the lubricant supply system 54.
  • a display image element is also shown as a sensor image element B122, in which the lubricant temperature measured by the lubricant temperature sensor 122 is shown in numbers.
  • the representation of the picture elements B42 and B54 accordingly 7 can be called up, for example, by tapping the control image element BS with your finger, which calls up a control element for displaying the elements B42 and B54 with, for example, the sensor value of the lubricant temperature sensor 122.
  • control unit 150 as a further user interface using a control image element B150, in particular the central processor units 154 and 156 using control image elements B156 and B154, and to display, for example, which of the processor units 154 and 156 is active and working.
  • the representation of the refrigerant compressors 22, 24, 26 by the compressor image elements B22', B24', B26' is not realistic but abstracted to reduce the storage space for the image element data, with the refrigerant compressors 22, 24, 26 being recognizable as such.
  • the representation of the refrigerant compressors 22, 24, 26 by the compressor picture elements B22", B24", B26" in the form of symbols, the picture element data require even less storage space.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Air Conditioning Control Device (AREA)

Claims (12)

  1. Unité de commande (150) pour faire fonctionner un dispositif compresseur d'agent frigorifique (KVA), dans laquelle le dispositif compresseur d'agent frigorifique (KVA) présente un premier système d'acheminement d'agent frigorifique (LSE) pour un agent frigorifique expansé, un deuxième système d'acheminement d'agent frigorifique (LSV) pour un agent frigorifique compressé et au moins un compresseur d'agent frigorifique (22, 24, 26) fonctionnant entre le premier système d'acheminement d'agent frigorifique (LSE) et le deuxième système d'acheminement d'agent frigorifique (LSV), lequel est entraîné par un moteur (32, 34, 36) propre, et dans laquelle l'unité de commande (150) présente une unité d'opération (200),
    dans laquelle l'unité d'opération (200) présente une mémoire (204) pour des données d'éléments d'image pour représenter au moins un composant du dispositif compresseur d'agent frigorifique (KVA), que l'unité d'opération (200) présente une unité de visualisation (202), avec laquelle une visualisation dudit au moins un composant en tant qu'élément d'image de composant est effectuée sur l'unité de visualisation (202) au moyen des données d'éléments d'image de l'au moins un composant du dispositif compresseur d'agent frigorifique (KVA), caractérisée en ce
    que le composant comprend au moins un capteur (62, 82, 84, 86, 102, 104, 106), que l'unité de visualisation (202) est réalisée de telle sorte qu'une instruction peut être générée par une interaction manuelle avec un des éléments d'image représentés de l'unité d'opération (200), que l'unité de visualisation (202) est réalisée en tant qu'unité de visualisation (202) de détection de contact, et que l'interaction manuelle est effectuée par un contact manuel d'une surface de l'unité de visualisation (202) dans la zone de l'élément d'image représenté sur l'unité de visualisation (202), que l'instruction transmise est un appel d'une autre représentation d'au moins un élément d'image, et que l'autre représentation est une représentation modifiée de celui-ci ou d'un autre élément d'image, dans laquelle l'unité d'opération (200) représente, au moyen des données d'éléments d'image de l'au moins un capteur (62, 82, 84, 86, 102, 104, 106, 124, 126, 128), l'au moins un capteur (B82, B102, B124) sur l'unité de visualisation (202) en tant qu'élément d'image de capteur, que l'unité d'opération (200) présente une mémoire (204) pour des données de capteur, que l'unité d'opération (200) représente les données de capteur sur l'unité de visualisation (202), que les valeurs de capteur détectées par les capteurs (82, 84, 86, 102, 104, 106, 124, 126, 128) sont représentées en tant que partie des données de capteur, que les valeurs de capteur sont représentées par un élément d'affichage de l'élément d'image de capteur (B82, B102, B124), dans laquelle la représentation de l'élément d'image de capteur (B102, B82, B124) est effectuée sur l'emplacement du dispositif compresseur d'agent frigorifique (KVA), sur lequel le capteur (82, 102, 124) détecte la valeur de capteur respective.
  2. Unité de commande selon la revendication 1, caractérisée en ce que le composant comprend au moins un compresseur d'agent frigorifique (22, 24, 26), et que l'unité d'opération représente ledit compresseur d'agent frigorifique (22, 24, 26) en tant qu'élément d'image de compresseur (B22, B24, B26) sur l'unité de visualisation (202) au moyen des données d'éléments d'image de l'au moins un compresseur d'agent frigorifique (22, 24, 26), et/ou qu'en particulier le composant comprend au moins un conduit d'agent frigorifique (12, 42), et que l'unité d'opération (200) représente ledit au moins un conduit d'agent frigorifique (12, 42) en tant qu'élément d'image de conduit (B12, B42) sur l'unité de visualisation (202) au moyen des donnés d'éléments d'image de l'au moins un conduit d'agent frigorifique (12, 42).
  3. Unité de commande selon l'une quelconque des revendications précédentes, caractérisée en ce que le composant comprend au moins un actionneur (32, 34, 36, 142, 144, 146) du dispositif compresseur d'agent frigorifique (KVA), et que l'unité d'opération (200) représente au moyen des données d'éléments d'image de l'au moins un actionneur ledit actionneur (32, 34, 36, 142, 144, 146) en tant qu'élément d'image d'actionneur (B32, B34, B36, B142) sur l'unité de visualisation (202), qu'en particulier l'unité d'opération (200) présente une mémoire (204) pour des données d'actionneur (BAD), et que l'unité d'opération (200) représente les données d'actionneur sur l'unité de visualisation (202), et/ou qu'en particulier les données d'actionneur détectées par l'actionneur (32, 34, 36, 142, 144, 146) sont représentées de manière associée à l'élément d'image d'actionneur (B32, B34, B36, B142), qu'en particulier les données d'actionneur sont représentées par un élément d'affichage (BAD), et/ou qu'en particulier les données d'actionneur (BAD) sont représentées en tant que chiffres.
  4. Unité de commande selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité d'opération (200) présente une mémoire (204) pour des données d'éléments d'image pour représenter au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA), et qu'une visualisation de l'au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA) en tant qu'élément d'image d'état (BZ) est effectuée sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA), qu'en particulier la représentation de l'élément d'image d'état (BZ) est effectuée en lien avec l'élément d'image de composant respectif, auquel l'état de fonctionnement est associé, qu'en particulier l'élément d'image d'état (BZ) est représenté en tant que champ d'état associé à divers éléments d'image de composant.
  5. Unité de commande selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité d'opération (200) présente une mémoire (204) pour des données d'éléments d'image pour représenter au moins un élément d'opération de l'unité d'opération (200), et que la visualisation de l'élément d'opération en tant qu'élément d'image d'opération (BB) est effectuée sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'au moins un élément d'opération, qu'en particulier la mémoire (204) présente des données d'éléments d'image pour représenter au moins un état de fonctionnement de l'élément d'opération respectif de l'unité d'opération (200), et que la visualisation de l'état d'opération respectif de l'élément d'opération du dispositif compresseur d'agent frigorifique (KVA) en tant qu'élément d'image d'état d'opération (BZB) est effectuée sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'état d'opération respectif de l'élément d'opération, qu'en particulier l'élément d'image d'état d'opération (BZB) est représenté sur l'unité de visualisation (202) de manière associée à l'élément d'image d'élément d'opération (BB) respectif.
  6. Unité de commande selon l'une quelconque des revendications précédentes, caractérisée en ce que l'unité de visualisation (202) communique de manière filaire avec l'unité d'opération (200), et/ou qu'en particulier l'unité de visualisation (202') communique sans fil avec l'unité d'opération (200), et qu'en particulier l'unité de visualisation (202') est une unité portative.
  7. Procédé pour faire fonctionner un dispositif compresseur d'agent frigorifique (KVA) au moyen d'une unité de commande (150), dans lequel le dispositif compresseur d'agent frigorifique (KVA) présente un premier système d'acheminement d'agent frigorifique (LSE) pour un agent frigorifique expansé, un deuxième système d'acheminement d'agent frigorifique (LSV) pour un agent frigorifique compressé et au moins un compresseur d'agent frigorifique (22, 24, 26) fonctionnant entre le premier système d'acheminement d'agent frigorifique (LSE) et le deuxième système d'acheminement d'agent frigorifique (LSV), qui est entraîné par un moteur (32, 34, 36) propre, et dans lequel l'unité de commande (150) présente une unité d'opération (200), dans lequel l'unité d'opération (200) mémorise des données d'éléments d'image pour représenter au moins un composant du dispositif compresseur d'agent frigorifique (KVA), qu'une visualisation dudit au moins un composant en tant qu'élément d'image de composant est réalisée sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'au moins un composant du dispositif compresseur d'agent frigorifique (KVA), caractérisé en ce que le composant comprend au moins un capteur (62, 82, 84, 86, 102, 104, 106), que l'unité de visualisation (202) est réalisée de telle sorte qu'une instruction est générée par une interaction manuelle avec un des éléments d'image de l'unité d'opération (200), que l'unité de visualisation (202) est réalisée en tant qu'unité de visualisation (202) de détection de contact, que l'interaction manuelle est effectuée par un contact manuel d'une surface (208) de l'unité de visualisation (202) dans la zone de l'élément d'image représenté sur l'unité de visualisation (202), que l'instruction transmise est un appel d'une autre représentation d'au moins un élément d'image, et que l'autre représentation est une représentation modifiée de celui-ci ou d'un autre élément d'image, que l'unité d'opération (200) représente au moyen des données d'éléments d'image de l'au moins un capteur (62, 82, 84, 86, 102, 104, 106, 124, 126, 128) l'au moins un capteur (B82, B102, B124) sur l'unité de visualisation (202) en tant qu'élément d'image de capteur, qu'en particulier l'unité d'opération (200) mémorise des données de capteur, que l'unité d'opération (200) représente les données de capteur sur l'unité de visualisation (202), que les valeurs de capteur détectées par les capteurs (82, 84, 86, 102, 104, 106, 124, 126, 128) sont représentées en tant que partie des données de capteur, qu'en particulier les valeurs de capteur sont représentées par un élément d'affichage de l'élément d'image de capteur (B82, B102, B124), et qu'en particulier la représentation de l'élément d'image de capteur (B102, B82, B124) est effectuée sur l'emplacement du dispositif compresseur d'agent frigorifique (KVA), sur lequel le capteur (82, 102, 124) détecte la valeur de capteur respective.
  8. Procédé selon la revendication 7, caractérisé en ce que le composant comprend au moins un compresseur d'agent frigorifique (22, 24, 26), et que l'unité d'opération représente au moyen des données d'éléments d'image de l'au moins un compresseur d'agent frigorifique (22, 24, 26) ledit compresseur d'agent frigorifique (22, 24, 26) en tant qu'élément d'image de compresseur (B22, B24, B26) sur l'unité de visualisation (202), et/ou qu'en particulier le composant comprend au moins un conduit d'agent frigorifique (12, 42), et que l'unité d'opération (200) représente au moyen des données d'éléments d'image de l'au moins un conduit d'agent frigorifique (12, 42) ledit au moins un conduit d'agent frigorifique (12, 42) en tant qu'élément d'image de conduit (B12, B42) sur l'unité de visualisation (202).
  9. Procédé selon l'une quelconque des revendications 7 ou 8, caractérisé en ce
    que le composant comprend au moins un actionneur (32, 34, 36, 142, 144, 146) du dispositif compresseur d'agent frigorifique (KVA), et que l'unité d'opération (200) représente au moyen des données d'éléments d'image de l'au moins un actionneur ledit actionneur (32, 34, 36, 142, 144, 146) en tant qu'élément d'image d'actionneur (B32, B34, B36, B142) sur l'unité de visualisation (202), qu'en particulier l'unité d'opération (200) mémorise des données d'actionneur, et que l'unité d'opération (200) représente les données d'actionneur sur l'unité de visualisation (202), et/ou qu'en particulier les données d'actionneur détectées par l'actionneur (32, 34, 36, 142, 144, 146) sont représentées de manière associée à l'élément d'image d'actionneur (B32, B34, B36, B142), qu'en particulier les données d'actionneur sont représentées par un élément d'affichage (BAD), et/ou qu'en particulier les données d'actionneur (BAD) sont représentées en tant que chiffres.
  10. Procédé selon l'une quelconque des revendications 7 à 9, caractérisé en ce que l'unité d'opération (200) mémorise des données d'éléments d'image pour représenter au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA), et qu'une visualisation de l'au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA) en tant qu'élément d'image d'état (BZ) est réalisée sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'au moins un état de fonctionnement du dispositif compresseur d'agent frigorifique (KVA), qu'en particulier la représentation de l'élément d'image d'état (BZ) est effectuée en lien avec l'élément d'image de composant respectif, auquel l'état de fonctionnement est associé, qu'en particulier l'élément d'image d'état (BZ) est représenté en tant que champ d'état associé aux divers éléments d'image de composant.
  11. Procédé selon l'une quelconque des revendications 7 à 10, caractérisé en ce que l'unité d'opération (200) mémorise des données d'éléments d'image pour représenter au moins un élément d'opération de l'unité d'opération (200), et que la visualisation des éléments d'opération est réalisée en tant qu'éléments d'image d'opération (BB) sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'au moins un élément d'opération de l'unité d'opération (200), qu'en particulier l'unité d'opération (200) mémorise des données d'éléments d'image pour représenter au moins un état de fonctionnement de l'élément d'opération respectif de l'unité d'opération (200), et que la visualisation de l'état d'opération de l'élément d'opération du dispositif compresseur d'agent frigorifique (KVA) est réalisée en tant qu'élément d'image d'état d'opération (BZB) sur l'unité de visualisation (202) par l'unité d'opération (200) au moyen des données d'éléments d'image de l'état d'opération respectif de l'élément d'opération, qu'en particulier l'élément d'image d'état d'opération (BZB) est représenté sur l'unité de visualisation (202) de manière associée à l'élément d'image d'élément d'opération (BB) respectif.
  12. Procédé selon l'une quelconque des revendications 7 à 11, caractérisé en ce que l'unité de visualisation (202) communique de manière filaire avec l'unité d'opération (200), et/ou qu'en particulier l'unité de visualisation (202') communique sans fil avec l'unité d'opération (200), et qu'en particulier l'unité de visualisation (202') est emportée par un opérateur.
EP16709912.6A 2015-03-13 2016-03-08 Unité de commande et procédé d'opération d'un système de compresseur de fluide frigorigène Active EP3268681B1 (fr)

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WO2016146435A1 (fr) 2016-09-22
EP3268681A1 (fr) 2018-01-17
DK3268681T3 (da) 2022-03-21

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