EP3126672A1 - Hubkolbenverdichter und regelverfahren hierfür - Google Patents
Hubkolbenverdichter und regelverfahren hierfürInfo
- Publication number
- EP3126672A1 EP3126672A1 EP15722044.3A EP15722044A EP3126672A1 EP 3126672 A1 EP3126672 A1 EP 3126672A1 EP 15722044 A EP15722044 A EP 15722044A EP 3126672 A1 EP3126672 A1 EP 3126672A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- volume
- compressor
- reciprocating compressor
- connection
- reciprocating
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003507 refrigerant Substances 0.000 claims abstract description 22
- 238000004378 air conditioning Methods 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims description 68
- 230000001276 controlling effect Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- YSUIQYOGTINQIN-UZFYAQMZSA-N 2-amino-9-[(1S,6R,8R,9S,10R,15R,17R,18R)-8-(6-aminopurin-9-yl)-9,18-difluoro-3,12-dihydroxy-3,12-bis(sulfanylidene)-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.2.1.06,10]octadecan-17-yl]-1H-purin-6-one Chemical compound NC1=NC2=C(N=CN2[C@@H]2O[C@@H]3COP(S)(=O)O[C@@H]4[C@@H](COP(S)(=O)O[C@@H]2[C@@H]3F)O[C@H]([C@H]4F)N2C=NC3=C2N=CN=C3N)C(=O)N1 YSUIQYOGTINQIN-UZFYAQMZSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/02—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders arranged oppositely relative to main shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/24—Control not provided for in a single group of groups F04B27/02 - F04B27/22
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
- F25B31/023—Compressor arrangements of motor-compressor units with compressor of reciprocating-piston type
Definitions
- the present invention relates to a reciprocating compressor according to the preamble of patent claim 1, and a reciprocating compressor having refrigeration or
- Refrigeration systems are often operated with reciprocating compressors. Examples of this can be found inter alia in the field of bus air conditioning, where in a corresponding refrigeration system (air conditioning) a reciprocating compressor is arranged, which is driven by the crankshaft of the drive motor via a belt drive and a magnetic coupling. The compressor can be switched on and off via the magnetic coupling. However, the shut-off and shut-off affects the entire compressor and thus the entire power output of the compressor (100% on-off).
- Other examples can be found in the field of mobile and stationary air conditioning, mobile and stationary refrigeration, so for example in the field of transport refrigeration and supermarket refrigeration, and in the field of heat pumps.
- connection and disconnection causes a transient operation of the compressor and leads
- a reciprocating compressor for a variety of applications, such as refrigeration, air conditioning, or
- Claim 1 solved.
- the second aspect of the problem is solved by systems according to claims 6 and 7.
- a corresponding reciprocating compressor has a control device which is provided for particular stepless control of a capacity of the reciprocating compressor and which has an input for supplying input information, in particular a suction pressure or a high pressure of the compressor, and at least one output for controlling a control element.
- the control device is designed to generate a digital output signal, wherein the control element has a digitally controllable control valve.
- the reciprocating compressor has at least one suction gas volume and at least one high-pressure volume, wherein a connection between the at least one suction gas volume and the at least one
- the reciprocating compressor further comprises a shut-off device, in particular a valve, further in particular a non-return valve, which, viewed in a flow direction of the refrigerant in a normal operation of the compressor, downstream of the one / a respectively associated
- High-pressure volume is arranged.
- the at least one suction gas volume and the at least one high-pressure volume and the control valve are integrated in the reciprocating compressor.
- connection between the high-pressure volume and the suction volume of the compressor can be at simultaneously closing one of the high pressure side associated and downstream in the operating flow direction of the refrigerant to the high pressure volume
- the object is achieved by devices according to claim 6 or 7, which have a corresponding reciprocating compressor.
- Cylinder groups if necessary, also individual cylinders with a fast switchable controllability (digital control) equip.
- the compressor can almost continuously from 100% to preferably about 10% of its nominal delivery volume or its maximum
- a digitally controllable valve is included as a control valve for the flow rate of a reciprocating compressor in a control device for a refrigeration system.
- Figure 1 is a schematic representation of a bus with a schematic representation of a first possible embodiment of the invention in use in an air conditioner thereof.
- Fig. 2 is a partial view of the compressor, as shown schematically in Fig. 1
- FIG. 3 and 4 are each a schematic view of a partial section (sectional view) of the compressor according to FIG. 2;
- Fig. 5 is a schematic representation of a compressor which is used in a second possible embodiment of a refrigeration system according to the invention.
- a refrigeration system or Klimaanläge 1 in the form of a bus air conditioning system 1 as essential components a compressor 10 for compressing refrigerant, which is designed as a reciprocating compressor, and a control device 12, a control 14 and a control element in Form of a shut-off device or a valve 16 has.
- a compressor according to the invention in the climate sector, the areas stationary and mobile refrigeration as well as the area of heat pumps are mentioned by way of example.
- the control device 12 further includes an input 18 for supplying input information, which is represented in the presently described embodiment by a suction pressure of the compressor 10, and an output 20 for controlling the regulating member (valve 16), and a delivery volume determining device for
- the input is preferably the suction pressure of the compressor 10
- the input is in the case of heat pumps, for example, preferably the high pressure, ie the pressure which rests against the high-pressure side of the compressor 10.
- the control device 12 is configured to generate a digital output signal.
- the valve 16 which regulates the delivery volume of the compressor 10, designed as a digitally controllable electromagnetic valve.
- other types of valve in particular electromechanical or else mechanically, pneumatically or hydraulically operable valves or other shut-off devices (slides and the like.) are conceivable.
- the refrigeration system 1 has a suction gas volume 22 and a high-pressure volume 24, the suction gas volume 22 being arranged upstream of the cylinders of the compressor 10, and the high-pressure volume 24 downstream of the cylinders of the compressor 10
- connection 26 in the form of a bore or recess, for example in the housing of the compressor 10 or as a pipe, wherein the digitally controllable valve 16 is arranged in the connection 26 and open and interrupt or can close.
- the refrigeration system 1 further comprises a second shut-off device in the form of a
- Check valve 28 (second valve), which is arranged downstream of the high-pressure volume 24. It is also any other than a check valve 26
- Shut-off device (slide valve, valve, for example, electromechanically actuated or solenoid-operated or pneumatically actuated valve, or a diaphragm or the like.) Conceivable.
- the suction gas volume 22 and the high-pressure volume 24 are interconnected by the above-mentioned connection 26, for example piping (bypass line), which is apparent and closable by the digitally controllable valve 16 such that the suction gas volume 22 and the high-pressure volume 24 directly
- valve 16 in fluid communication with each other when the valve 16 is in an open position. If the valve 16 is in a closed position, there is no direct connection between the volume of suction gas 22 and the high-pressure volume 24.
- the compressor 10 is located in
- valve 16 when the valve 16 is in its open position (see also Fig. 4), there is a "short circuit" between Sauggasvolumen 22 and high pressure volume 24. In an open position of the valve 16, the check valve 28 closes by the high pressure and keeps the high pressure so Thus, the power consumed by the compressor drops to the unavoidable value which is due to the internal losses of the compressor, for example at the working valves.
- another shut-off device is closed, for example by the control device 12 Compressor 10
- the opening duration of the valve 16 can be carried out by the control device 12 in an arbitrary, continuously variable clocking, so that a delivery rate of the compressor 10 of basically 0% to 100% is infinitely variable or nearly infinitely variable.
- the control device 12 is configured to provide a minimum displacement of 5% to 10% to cool the compressor 10. For air-cooled compressors only, this can be dispensed with.
- the described refrigeration system 1 has a condenser 30, an expansion element in the form of an expansion valve 32 and an evaporator 34 for air conditioning the vehicle (bus) 36 / for cooling the volume to be cooled.
- the described embodiment of a refrigeration system 1 according to the invention has integrated the suction gas volume 22 and the high-pressure volume 24 in the compressor 10.
- connection 26 between the suction gas side and the high pressure side is preferably between the suction gas volume 22 and the high pressure volume 24 in the form of a channel (alternatively as a bore or as a recess formed in the casting of the corresponding components, alternatively also as
- the valve 16 is as in the above
- Embodiment arranged in the connection 26 (channel) and thus also integrated into the compressor 10.
- connection 26 channel
- all conceivable types of valves and also other shut-off devices are conceivable, as have already been described in connection with the embodiment explained above.
- an integration of the volumes and the valve in the compressor 10 may be advantageous.
- the mode of operation is in the second
- a compressor 10 of a second embodiment of a refrigeration system according to the invention which is likewise designed as a reciprocating cylinder, has two cylinder groups in the form of two cylinder banks 40 (the cylinders do not necessarily have to be grouped as cylinder banks 40; other criteria for grouping are possible).
- the refrigeration system 1, more precisely the reciprocating compressor 10 of the refrigeration system 1 has per cylinder bank 40 (in alternative embodiments per cylinder group or per
- Refrigerant and a high-pressure volume 24 for the discharge of the refrigerant are Refrigerant and a high-pressure volume 24 for the discharge of the refrigerant.
- High-pressure volumes 24 are arranged downstream of the respective associated cylinder bank 40.
- a first cylinder bank 40 associated suction gas volume 22 and the first cylinder bank 40 associated high-pressure volume 24 is a first cylinder bank 40 associated suction gas volume 22 and the first cylinder bank 40 associated high-pressure volume 24 a second cylinder bank 40 associated suction gas volume 22 and the first cylinder bank 40 associated high-pressure volume 24 .
- Compound 26 is formed, which connects the two volumes together.
- connection is arranged a digitally controllable valve 16.
- An analogous construction is realized for the second cylinder bank 40 associated volumes. Between the second cylinder bank 40 associated Sauggasvolumen 22 and the second cylinder bank 40 associated high-pressure volume 24, a further (second) connection 26 is formed, which connects the two volumes together. In the connection, a digitally controllable valve (third valve) 16 is arranged.
- the connections 26 are formed as pipelines.
- valves 16 are formed analogously to the valve 16 already described in the first and second embodiments and may also be substituted by any other shut-off device, wherein at least one of the shut-off devices must be digitally controllable in order to obtain the desired control precision. It would alternatively also be conceivable that only one cylinder bank 40 assigned volumes a connection 26 (for example, pipe or channel) is provided. The valves 16 are controlled by the control device 12. Also in this embodiment, both the compound (s) 26 and the high-pressure volumes and volumes of suction gas are integrated in the compressor 10.
- the compressor 10 can be controlled steplessly or virtually continuously or in any increments from 100% to approximately 10%, the lower limit being determined thermally and by the oil balance of the compressor 10.
- the shift of the Zylinderbänke40 or cylinder groups, possibly also individual cylinders can be carried out asynchronously, so that the time of total zero promotion can be limited.
- Registration is that the compound (s) 26 and / or the valve (s) 16 and / or the suction gas volume (s) and / or the high-pressure volume volume (s) are arranged outside the compressor. This represents a simple one
- Refrigerant delivery corresponding to 50-100% of the rated power cycles a cylinder bank 40 to full shutdown (at 50%); with a desired refrigerant delivery corresponding to 50-10% of the rated power both banks clock with increasing
- the starting torque of the compressor 10 can be limited by, for example, all cylinders are switched off at start. This makes it possible to limit the size of couplings and also drives, are driven by the corresponding compressor 10 in the rule. Also, the torque can generally be controlled and limited in order to protect the clutch in operation against a possible overload.
- Another possibility is to switch off one or more cylinder banks 40 or cylinder groups or cylinders each time the clutch is switched on. This reduces the switching work of the clutch. This possibility already exists at
- the inventive method is used to control a reciprocating compressor 10, for example, a refrigeration or air conditioning 1 or a heat pump, wherein the rules of the refrigeration system 1 is accomplished by controlling the flow rate of the compressor 10.
- the regulation of the delivery rate is effected by at least one digital signal.
- the digital signal or digital signals can be supplied to one or more digitally controllable control valve (s) 16.
- the refrigeration system 1 has at least one suction gas volume 22 and at least one
- High-pressure volume 24 wherein a connection 26 between the at least one suction gas volume 22 and the at least one high-pressure volume 24 of
- Reciprocating compressor 10 is formed, wherein the control of the delivery rate of the compressor 10 is controlled by opening and closing the connection 26 by the digital signal, in particular by means of the digitally controllable control valve 16.
- the refrigeration system can have a plurality of cylinder groups, in particular cylinder banks 40, and more than one suction gas volume 22, in particular a suction gas volume 22 for each
- Cylinder group and more than one high-pressure volume 24 in particular a
- Compound 26 is formed between one of the suction gas volumes 22 and a corresponding high pressure volume 24 of the refrigeration system 1.
- the control of the delivery rate of the compressor 10 is effected by opening and closing the connection 26 controlled by the digital signal, in particular by means of the digitally controllable control valve 16.
- connection 26 is formed between each of the suction gas volumes 22 and each corresponding high-pressure volume 24 of the refrigeration system 1, wherein the control of the delivery rate of the compressor 10 is controlled by opening and closing the connections 26 controlled by the digital signal, in particular by means of digitally controllable control valves 16.
- the opening and closing of connections 26 assigned to different cylinder groups preferably takes place asynchronously during operation of the refrigeration system 1.
- a method for controlling a reciprocating compressor 10 which, as already explained, has a control device 12 and is provided for compressing refrigerant.
- the regulation of the reciprocating compressor 10 is accomplished by controlling the delivery rate of the compressor 10, wherein the control of the delivery rate by at least one digital signal, wherein the digital signal or digital signals to one or more digitally controllable control valve (s) 16 is supplied.
- the reciprocating compressor 10 has at least one suction gas volume 22 and at least one high-pressure volume 24, wherein a connection between the at least one
- Suction gas volume 22 and the at least one high-pressure volume 24 of the refrigeration system is formed, wherein the control of the capacity of the compressor by opening and closing the connection controlled by the digital signal, in particular by means of the digitally controllable control valve 16.
- the reciprocating compressor 10 has a shut-off device 28, which, viewed in a flow direction of the refrigerant in a normal operation of the reciprocating compressor 10, downstream of the
- High pressure volume 24 is arranged, wherein the shut-off device 28 is closed when the connection 26 is opened, and wherein the shut-off device 28 is opened when the connection 26 is closed.
- the control device controls one or more control valves such that a
- Delivery volume of the compressor 10 is provided as a minimum delivery volume and / or that 100% of the nominal delivery capacity or nominal delivery volume or the maximum delivery volume or the maximum delivery capacity is provided as the maximum delivery volume. Between the minimum delivery volume and the maximum delivery volume
- Delivery volume is preferably varied or regulated steplessly.
- a method for controlling a reciprocating compressor with a control device wherein the rules of the refrigeration system is accomplished by controlling the flow rate of the compressor, wherein the control of the flow rate is performed by at least one digital signal.
- High-pressure volume of the refrigeration system is formed, wherein the control of the capacity of the compressor is controlled by opening and closing the connection by the digital signal, in particular by means of the digitally controllable control valve.
- Method according to 1, 2 or 3 wherein the refrigeration system has a plurality of cylinder groups, in particular cylinder banks, and more than one suction gas volume, in particular a suction gas volume for each cylinder group, and more than one high pressure volume, in particular a high pressure volume for each cylinder group, wherein at least one Connection between one of the suction gas volume and a corresponding high-pressure volume of the refrigeration system is formed, wherein the control of the capacity of the compressor is controlled by opening and closing the connection by the digital signal, in particular by means of the digitally controllable control valve.
- Method according to 4 wherein a connection between each of the suction gas volumes and a corresponding high pressure volume of the refrigeration system is formed, wherein the control of the capacity of the compressor by opening and closing of the connections is controlled by the digital signal, in particular by means of digitally controllable control valves.
- Method according to one of the items 1 to 5 wherein the compressor has one or more feed (s) for refrigerant to be compressed, wherein in a compressor having a plurality of cylinder groups, in particular cylinder banks, in particular a supply is provided for each cylinder group, wherein the control of the delivery rate is performed by opening and closing the connection controlled by the digital signal, in particular by means of the digitally controllable control valve.
- control device is an or controls a plurality of control valves such that a delivery volume of 5% to 10% of the nominal delivery volume or maximum delivery volume of the compressor is provided as a minimum delivery volume.
- the disclosure of the present application further includes: Control device (12) for a refrigeration system (1), which is used to regulate a
- a reciprocating compressor 10
- Delivery of a reciprocating compressor (10) is provided, which has an input (18) for supplying input information, in particular suction pressure of a corresponding compressor (10), and at least one output (20) for controlling a control element (16),
- control device (12) is adapted to generate a digital output signal.
- Refrigeration system (1) with a control device (12) and a reciprocating compressor (10) for compressing refrigerant,
- the regulating device is a regulating device (12) according to 1. or 2.
- the compressor (10, 110) has a plurality of cylinder groups, in particular cylinder banks (40, 124).
- Refrigeration system (1) according to 3 or 4,
- the refrigeration system (1) has at least one suction gas volume (22) and at least one high-pressure volume (24), wherein a connection (26) between the at least one suction gas volume (22) and the at least one High-pressure volume (24) of the refrigeration system (1) is formed, wherein the digitally controllable control valve (16) in the connection (26) is arranged.
- the refrigeration system (1) more than a suction gas volume (22), in particular a
- Control valve (16) is arranged. Refrigeration system (1) according to FIG. 6,
- Refrigeration system (1) according to one of 5 to 7,
- the at least one suction gas volume (22) or a plurality of volumes of suction gas (22) of the refrigeration system (1) is at least partially provided by a compressor suction gas volume (22) integrated in the compressor (10) or in each case in the compressor (10).
- the refrigeration system (1) has a shut-off device, in particular a valve, furthermore in particular a check valve (28) which, in one
- the compressor (10) has one or more feed (s) for the refrigerant to be compressed, wherein in a compressor (10), the plurality of
- Cylinder groups in particular cylinder banks (40), in particular a supply is provided for each cylinder group, wherein the digitally controllable control valve (16) is arranged in one of the feeders.
- a digitally controllable control valve (16) is arranged in each of the feeders.
- the refrigeration system (1) in particular the control device (12) is designed to the volume of the compressor (10) of 5%, in particular 10% of a
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014004619.2A DE102014004619A1 (de) | 2014-03-29 | 2014-03-29 | Regelung für Kälteanlage, sowie Kälteanlage und entsprechendes Regelverfahren |
PCT/EP2015/000671 WO2015149926A1 (de) | 2014-03-29 | 2015-03-29 | Hubkolbenverdichter und regelverfahren hierfür |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3126672A1 true EP3126672A1 (de) | 2017-02-08 |
EP3126672B1 EP3126672B1 (de) | 2018-09-19 |
Family
ID=53175390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15722044.3A Active EP3126672B1 (de) | 2014-03-29 | 2015-03-29 | Hubkolbenverdichter und regelverfahren hierfür |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170130713A1 (de) |
EP (1) | EP3126672B1 (de) |
CN (1) | CN106460830B (de) |
DE (1) | DE102014004619A1 (de) |
WO (1) | WO2015149926A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3456563A1 (de) | 2017-09-15 | 2019-03-20 | Schmitz Cargobull AG | Transportkältemaschine und verfahren zu deren betrieb |
CN109387000B (zh) * | 2018-10-19 | 2019-12-10 | 珠海格力电器股份有限公司 | 一种压缩机的无级能量调节装置、调节方法以及制冷*** |
US11302590B2 (en) | 2019-02-15 | 2022-04-12 | Kla Corporation | Delivery of light into a vacuum chamber using an optical fiber |
DE102021117724A1 (de) * | 2021-07-08 | 2023-01-12 | Bitzer Kühlmaschinenbau Gmbh | Kältemittelverdichterverbund |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2458933A (en) * | 1946-12-18 | 1949-01-11 | Gen Electric | Unloader for reciprocating gas compressors |
US3119550A (en) * | 1961-02-09 | 1964-01-28 | Carrier Corp | Compressor capacity control |
JPS6075782A (ja) * | 1983-09-30 | 1985-04-30 | Japan Steel Works Ltd:The | 往復動圧縮機の無段階容量調節装置 |
JP2503424B2 (ja) * | 1986-07-17 | 1996-06-05 | 株式会社豊田自動織機製作所 | 冷凍サイクルにおける蒸発温度の制御方法 |
JPH0450026A (ja) * | 1990-06-20 | 1992-02-19 | Zexel Corp | 自動車用空調制御装置 |
US6047556A (en) | 1997-12-08 | 2000-04-11 | Carrier Corporation | Pulsed flow for capacity control |
DE102004048940A1 (de) * | 2004-10-07 | 2006-04-13 | TEKO Gesellschaft für Kältetechnik mbH | Verfahren zur Regelung der Leistung eines Kälteanlagen-Verdichters und Kälteanlagen-Verdichter |
DE102006008135A1 (de) * | 2006-02-20 | 2007-08-23 | Obrist Engineering Gmbh | Drosselvorrichtung für einen Kältemittelkreislauf |
CN201071811Y (zh) * | 2007-08-10 | 2008-06-11 | 袁世杰 | 数码变容量旋转压缩机 |
DE102007060831A1 (de) * | 2007-12-18 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Steuergerät für eine Kältemaschine und diese verwendendes Haushaltskältegerät |
SG177507A1 (en) | 2009-07-06 | 2012-02-28 | Carrier Corp | Bypass unloader valve for compressor capacity control |
JP5224474B2 (ja) * | 2009-12-02 | 2013-07-03 | アネスト岩田株式会社 | 圧縮機の容量制御方法及び圧縮装置 |
KR101768930B1 (ko) * | 2010-07-06 | 2017-08-18 | 학교법인 두원학원 | 용량가변형 압축기 및 이를 포함하는 압축기 제어 시스템 |
DE102012108576A1 (de) * | 2012-09-13 | 2014-03-13 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Mehrstufiger Kolbenverdichter mit Leerlaufventilen zur Erzeugung einer Leerlauffunktion |
-
2014
- 2014-03-29 DE DE102014004619.2A patent/DE102014004619A1/de active Pending
-
2015
- 2015-03-29 US US15/300,174 patent/US20170130713A1/en not_active Abandoned
- 2015-03-29 CN CN201580016236.7A patent/CN106460830B/zh active Active
- 2015-03-29 WO PCT/EP2015/000671 patent/WO2015149926A1/de active Application Filing
- 2015-03-29 EP EP15722044.3A patent/EP3126672B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
EP3126672B1 (de) | 2018-09-19 |
WO2015149926A1 (de) | 2015-10-08 |
CN106460830B (zh) | 2019-10-29 |
DE102014004619A1 (de) | 2015-10-01 |
US20170130713A1 (en) | 2017-05-11 |
CN106460830A (zh) | 2017-02-22 |
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