CN103994615A - Method for controlling a compressor of a thermal storage heat pump system - Google Patents
Method for controlling a compressor of a thermal storage heat pump system Download PDFInfo
- Publication number
- CN103994615A CN103994615A CN201410049625.7A CN201410049625A CN103994615A CN 103994615 A CN103994615 A CN 103994615A CN 201410049625 A CN201410049625 A CN 201410049625A CN 103994615 A CN103994615 A CN 103994615A
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- Prior art keywords
- heat pump
- air compressor
- heat
- motor
- compressor motor
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000012080 ambient air Substances 0.000 claims abstract description 15
- 239000003570 air Substances 0.000 claims description 64
- 239000002826 coolant Substances 0.000 claims description 53
- 238000005338 heat storage Methods 0.000 claims description 41
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005485 electric heating Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
Classifications
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- 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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
- B60H1/005—Regenerative cooling means, e.g. cold accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
- B60H1/32284—Cooling devices using compression characterised by refrigerant circuit configurations comprising two or more secondary circuits, e.g. at evaporator and condenser side
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- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
-
- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B49/025—Motor 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2106—Temperatures of fresh outdoor air
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
A method of controlling a compressor of a thermal storage heat pump system of a vehicle is provided. The system may operate in one of a heating mode and a cooling mode, as determined by at least one system controller based on at least one parameter. The at least one parameter may be ambient air temperature. The compressor has a compressor motor and a motor controller configured to selectively operate the compressor in an unmodified state or a modified state based on the operating mode of the system. The compressor motor is operated in the unmodified state when the system is in the cooling mode, and in the modified state when the system is in the heating mode. Operating the compressor motor in the modified state may include decreasing its coefficient of performance (COP).
Description
Technical field
The present invention relates to for controlling the method for the compressor of vehicle heat storage heat pump, described vehicle is hybrid-power electric vehicle (HEV) or plug-in hybrid-power electric vehicle (PHEV) for example.
Background technology
Electric motor car, for example hybrid-power electric vehicle (HEV), plug-in hybrid-power electric vehicle (PHEV), etc., generally include motor, its can be in electric motor car (EV) or electric weight exhaust drive pattern propelled vehicles separately.Vehicle also can comprise explosive motor (ICE), as the main propulsion system that increases vehicle in journey pattern, or in hybrid power or electric weight maintain pattern, is combined operation with motor.
Motor is conventionally from electric power source, and for example energy storage system (ESS), receives electric power.ESS can comprise battery pack or other chargeable energy storage devices, and it can store a large amount of heat energy.ESS can for example, store heat energy when vehicle is connected to external power (electrical network, for charging) source.Compared with under cold ambient temperature, due to various factors, electric quantity consumption is faster.
ESS can for example, be combined with heat management system (heat pump), forms thus heat storage heat pump, to transmit the heat energy of storage, arrives another medium for another object, for example, be the passenger carriage heating of vehicle.
Heat pump (therefore with heat storage heat pump) generally includes compressor, its compressed refrigerant, the heat transmission medium that acts on heat pump for described cold-producing medium.The motor of compressor needs a certain amount of electric power, and described electric power then be converted into electric heating, for compressed refrigerant.Necessary electric power depends on the coefficient of performance (COP) of air compressor motor.When COP increases, air compressor motor needs electric power still less.
Summary of the invention
The heat storage heat pump that a kind of vehicle is provided, described vehicle has passenger carriage.Heat storage heat pump generally includes the first coolant circuit, the second coolant circuit and refrigerating circuit, and it is configured to respectively allow the first cooling agent, the second cooling agent and refrigerant circulation flow.Refrigerating circuit is respectively via First Heat Exchanger and the second heat exchanger and the first coolant circuit and the second coolant circuit thermal communication.
Heat storage heat pump also comprises the compressor that is arranged in refrigerating circuit.Compressor configuration is for to compress the cold-producing medium in refrigerating circuit.Compressor has air compressor motor and motor controller, and is configured to allow air compressor motor optionally operate in and does not change in state and change state.Air compressor motor can be brushless direct-current (DC) motor, and it has the coefficient of performance (COP), and position three-phase voltage system, and wherein each phase place is partially opened with a set angle and in change state, do not had limited frequency.COP in change state is less than the COP in change state not.
Heat storage heat pump further comprises at least one system controller, and it is configured to the value based at least one parameter and allows heat storage heat pump optionally run in heating mode and refrigerating mode.Described at least one parameter can be ambient air temperature.When air themperature is equal to or less than switching temperature around, heat storage heat pump can run on heating mode.When air themperature is higher than switching temperature around, heat storage heat pump can run on refrigerating mode.When heat is stored heat pump in refrigerating mode, air compressor motor operates in and does not change state, and air compressor motor operates in change state when heat is stored heat pump in heating mode.
Also provide a kind of for controlling the method for the compressor of heat storage heat pump.Method comprises the measured value that first receives at least one parameter by least one system controller.As mentioned above, at least one parameter can be ambient air temperature.Method comprises subsequently determines the operational mode of heat storage heat pump by least one system controller based on measured value.
Method comprises subsequently by motor controller and operating in one that does not change in state and change state by air compressor motor.Again, when heat is stored heat pump in refrigerating mode, air compressor motor operates in and does not change state, and air compressor motor operates in change state when heat is stored heat pump in heating mode.
Allow air compressor motor operate in change state and can comprise the COP that reduces air compressor motor.This may further include from least one of three phase places be offset a set angle and/or change three mutually at least one limited frequency.
What below carry out by reference to the accompanying drawings, to implementing, in detailed description that better model of the present invention makes, can easily understand above-mentioned the features and advantages of the present invention and other feature and advantage.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of heat storage heat pump, and described heat storage heat pump has the compressor with air compressor motor;
Fig. 2 is the schematic diagram of the air compressor motor of Fig. 1;
Fig. 3 is for controlling the indicative flowchart of the method for compressor;
Fig. 4 is the indicative flowchart of a step of the method for Fig. 3;
Fig. 5 means the coefficient of performance (COP) of air compressor motor and the figure of the relation between ambient air temperature; With
Fig. 6 means the figure of relation between the electric heating that produces by air compressor motor and ambient air temperature.
The specific embodiment
The following description and drawings are for exemplary embodiment and be in fact only restrictions illustrative rather than to the invention, its application, or uses.In accompanying drawing, some parts are shown with standard or basic symbol.These symbols are meaning property and illustrative only, and to limit anything but any structure shown in concrete, be restricted to shown in combination or restriction claim between not isostructure.To all descriptions of building block, be all that any examples open and parts are non-limits.
Referring to accompanying drawing, wherein in possible a few width figure identical Reference numeral corresponding to identical or similar parts, in Fig. 1, shown the heat storage heat pump 100 for using at vehicle 101, described vehicle includes but not limited to hybrid-power electric vehicle (HEV), plug-in hybrid-power electric vehicle (PHEV), etc.Vehicle 101 can optionally operate in increasing journey pattern, hybrid power or electric charge and maintain in pattern and electric motor car (EV) or charge depletion drive pattern.In increasing journey pattern, explosive motor (ICE) 128 conducts as described below are for unique propulsion system operation of vehicle 101.In hybrid mode, vehicle 101 uses from the electric power of motor (not shown) with from the power operation of ICE128.In EV drive pattern, vehicle 101 only relies on operation power.
Heat storage heat pump 100 generally include respectively via First Heat Exchanger 106 and the second heat exchanger 107 and with the refrigerating circuit 103 of the first coolant circuit 104 and the second coolant circuit 105 thermal communications.Refrigerating circuit 103, the first coolant circuit 104 and the second coolant circuit 105 are configured to allow respectively cold-producing medium, the first cooling agent and the second circulate coolant flow.First Heat Exchanger 106 can be cold-producing medium-liquid chiller heat exchanger, and it can be used as evaporator with heat pump, so that the heat of the first cooling agent from the first coolant circuit 104 is dissipated to the cold-producing medium in refrigerating circuit 103.The second heat exchanger 107 can be also cold-producing medium-liquid heat-exchanger, and it can be used as heat pump condenser, the heat of the cold-producing medium from refrigerating circuit 103 is dissipated to the second cooling agent in the second coolant circuit 105.
Refrigerating circuit 103 comprises compressor 108, and it is positioned at the downstream of First Heat Exchanger 106 and the upstream of the second heat exchanger 107.Compressor 108 can be configured to compressed refrigerant.Compressor 108 drives by air compressor motor 109, and it can be brushless direct-current (DC) motor, as shown in the schematic diagram of Fig. 2.
Referring now to Fig. 2,, air compressor motor 109 receives from power source 110 and next DC power input signal conventionally.Inverter 111 is converted to interchange (AC) signal by DC signal, with the dynamo-electric motivation 109 of drive compression.Air compressor motor 109 is generally three-phase system, and so, has three motor windings 112 around rotor 113, to receive AC signal.Although motor winding 112 is shown as star (Y) structure, should understand them can be also triangle (Δ) structure.In the not change state of air compressor motor 109 (in this state, air compressor motor 109 is the most efficient), each mutually biased set angle of opening, this angle equals 1/3rd circles or 120 degree.In addition, each phase place is moved with limited frequency.In method as described below 200, these and other features of air compressor motor 109 can be changed, and to reduce its coefficient of performance (COP), that is, its efficiency are reduced.
Air compressor motor 109 further comprises motor controller 114, it is configured to control the operation of air compressor motor 109, include but not limited to speed and the position of the rotor 113 of air compressor motor 109, the frequency of three phase places and skew, commutation (commutation) etc.
Get back to Fig. 1, refrigerating circuit 103 also comprises the first thermal expansion equipment 115, the second thermal expansion equipment 116 and the 3rd heat exchanger 117.The 3rd heat exchanger 117 can be environment-refrigerant heat exchanger, and it can be used as compartment evaporator device.It can be configured to absorb the heat from its air of process that flows, and passenger carriage 102 is carried out to cooling and dehumidifying, and this heat is delivered to the cold-producing medium flowing through it.Cold-producing medium can be assigned to subsequently compressor 108 and be assigned to subsequently the second heat exchanger 107, and wherein the heat in cold-producing medium can be absorbed by the second cooling agent, as mentioned above.
The first thermal expansion equipment 115 and the second thermal expansion equipment 116 can be positioned at the downstream of the second heat exchanger 107, and can be configured to carried out cooling and expand being assigned to respectively the cold-producing medium of First Heat Exchanger 106 and the 3rd heat exchanger 117.The first thermal expansion equipment 115 and the second thermal expansion equipment 116 can be that temperature regulates or thermal expansion valve, and can be actuated electronically or mechanically.
Refrigerating circuit 103 also can comprise the 4th heat exchanger 118.The 4th heat exchanger 118 can be cold-producing medium-environment heat exchanger, and can be with the condenser that acts on air conditioning (A/C) the system (not shown) in vehicle 101.
Refrigerating circuit 103 may further include a plurality of flow control valves 119,120,121 and 122.Flow control valve 119,120,121 and 122 can be configured to control goes to flowing of each parts in refrigerating circuit 103.Should be understood that flow control valve 119,120,121 and 122 can be to limit any valve that flow of cold-producing medium in specific pipeline, and can be but be not limited to be two positions open/closed valve, or be alternatively control valve.
The first coolant circuit 104 comprises thermal storage 123 and the first cooling medium pump 124.Thermal storage 123 can be any medium that can produce and store heat energy, device, machine etc.For example, thermal storage 123 can be energy storage system (ESS), and it comprises at least one battery or battery pack.
It can be variable velocity for the first cooling medium pump 124() can be configured to allow the first circulate coolant flow through thermal storage 123, thereby the first cooling agent can absorb the heat that thermal storage 123 produces, or by this heat collection in thermal storage 123.The first cooling medium pump 124 further can be configured to allow the first circulate coolant flow through First Heat Exchanger 106, thereby heat can be delivered to cold-producing medium from the first cooling agent, as mentioned above.Although the first cooling medium pump 124 is shown as in the downstream of thermal storage 123, it should be understood that it can be positioned at the upstream of thermal storage 123.
The first coolant circuit 104 can also comprise heater 125.Heater 125 can be configured to heat the first cooling agent in the first coolant circuit 104, and described the first ANALYSIS OF COOLANT FLOW, to thermal storage 123, can be collected and store at this place's heat.Heater 125 can be but be not limited to be resistance heater.
The second coolant circuit 105 comprises heater core 126 and the second cooling medium pump 127.It can be variable velocity for the second cooling medium pump 127() can be configured to allow the second circulate coolant flow through heater core 126.126 of heater cores can be configured to receive the second cooling agent, with flow, through it and the air that enters passenger carriage 102, heat.As mentioned above, the second cooling agent can receive heat from thermal storage 123 via First Heat Exchanger 106, and/or from surrounding air, receives heat via the 3rd heat exchanger 117.Although the second cooling medium pump 127 is shown as in the downstream of heater core 126, it should be understood that it can be positioned at the upstream of heater core 126.
The second coolant circuit 105 can also comprise ICE128, as mentioned above.ICE128 can have the heat producing because moving therein.This heat can be collected in the second cooling agent when the second cooling agent flows through ICE128, allows thus ICE128 cooling.
The second coolant circuit 105 further can comprise by-passing valve 129 and bypass line 130.By-passing valve 129 is configured to optionally guide the second cooling agent to ICE128, with at vehicle 101 cooling ICE when increasing journey pattern or hybrid mode, or at vehicle 101, is directed into bypass line 130 during in EV drive pattern.Although it is two positions triple valve that by-passing valve 129 is shown as in Fig. 1, it should be understood that, by-passing valve 129 can be any triple valve, it is configured to optionally guide of flow arrived to ICE128 and/or arrive bypass line 130.In unshowned alternative embodiment, replace triple valve, can there are two independent flow control valves, at bypass line 130 with for second coolant circuit in the downstream of the bifurcation (takeoff) of bypass line 130 105 each upper respectively.
Heat storage heat pump 100 can also comprise at least one system controller 131, and it can be electrically connected to heat storage heat pump 100, to control its operation.Specifically, system controller 131 can be communicated by letter and control its operation with the various devices of heat storage heat pump 100 based at least one parameter, described device comprises the motor controller 114 based at least one parameter, described at least one parameter includes but not limited to ambient air temperature, as follows described in method 200.
System controller 131 can also be configured to communicate by letter with other servicing units and from its reception information, include but not limited to temperature sensor 132 and input module 133, as described below.System controller 131 can be processed the information receiving from these servicing units, with the operational mode of determining that heat storage heat pump 100 should move and correspondingly allow device move.As described below, heat storage heat pump 100 may operate in heating mode or in refrigerating mode.The heat that system controller 131 can further be configured to control in vehicle 101 is stored any other device in heat pump 100 and any other subsystem.
Temperature sensor 132 is normally configured to measure any device of ambient air temperature.Temperature sensor 132 can be configured to transmit data (for example ambient air temperature measured value) to system controller 131, so that it is stored and/or processes.Temperature sensor 132 can, in the outside of system controller 131, as shown in Figure 1, and can transmit data by wired or wireless connection.In unshowned another embodiment, temperature sensor can be in the inside of system controller 131.In another unshowned embodiment, system controller 131 can be configured to from long-range source (not shown), obtain the data as ambient air temperature via internet or other communication networks.
Input module 133 can be any device that is configured to receive input, and described input is for example for the preferred temperature of passenger carriage 102 or heat supply, or carrys out other data of the user of self-heating storage heat pump 100.Input module 133 further can be configured to transmit such data to controller 131.Input module 133 can be but be not limited to the car-mounted computer in vehicle 101.
As mentioned above, heat storage heat pump 100 may operate in heating mode or refrigerating mode.In heating mode, the cold-producing medium in refrigerating circuit 103 can be for transmitting heat to the second cooling agent in the second coolant circuit 105 via the second heat exchanger 107, to heat passenger carriages 102 via heater core 126, as mentioned above.On the contrary, in refrigerating mode, cold-producing medium can be used to via the 3rd heat exchanger 117, absorb heat from surrounding air, with cooling passenger carriage 102.Heat storage heat pump 100 can for example, optionally switch based on parameter (ambient air temperature) between two patterns.
In arbitrary pattern, the cold-producing medium in refrigerating circuit 103 is used to transferring heat, and therefore, compressor 108 and air compressor motor 109 operate to cold-producing medium is compressed.Air compressor motor 109 need to receive a certain amount of electrical power from power source 110, to move.In compressed refrigerant process, air compressor motor 109 is converted to electric heating by electrical power, and described electric heating can be passed to cold-producing medium subsequently.
In heating mode, for the necessary electrical power of air compressor motor 109 and the electric heating that produces by air compressor motor 109, equal to heat the required total thermal force of passenger carriage 102 divided by the COP of air compressor motor 109.Required total thermal force can be passed through preferred temperature or the heat supply (for example from input module 133 receive) of system controller 131 based on for passenger carriage 102 and determine.The delayed heat load of the non-electric heating lifting confession producing by air compressor motor 109 can provide from thermal storage 123.
Referring now to Fig. 5 and 6,, when switching between heating and cooling pattern (respectively by part 308 and 310 representatives), the COP that changes y axis 302 representatives in Fig. 5 is presented in Fig. 5 and 6 impact of the electric heating of produced y axis 312 representatives by Fig. 6.In Fig. 5 and 6, x axis 304 represents ambient air temperature.As mentioned above, the characteristic by changing air compressor motor is to reduce its COP, and air compressor motor 109 can efficiency step-down.Conventionally, air compressor motor 109 does not change state in it in refrigerating mode.Yet by reduce COP in heating mode, total the electric heating of generation increases with required fixing thermal force.Thereby can reduce the amount of the thermal force that will obtain from thermal storage 123.This can reduce again to move heater 125 so that the needs that are stored in the heat in thermal storage 123 to be provided.
Referring now to Fig. 3,, shown for controlling heat storage heat pump 100(especially compressor 108 and air compressor motor 109) method 200.
Method 200 starts in step 202, and wherein system controller 131 receives the measured value of at least one parameter.At least one parameter can be but be not limited to be ambient air temperature.As mentioned above, ambient air temperature measured value can be acquired and be delivered to system controller 131 by temperature sensor 132.
After step 202, method 200 advances to step 204.In step 204, the measured value of system controller 131 based at least one parameter determined the operational mode of heat storage heat pump 100.As mentioned above, heat storage heat pump 100 may operate in heating mode or refrigerating mode.
When the measured value of at least one parameter meets certain condition, heat storage heat pump 100 will operate in the concrete pattern relevant to this state.For example, as illustrated in Figures 5 and 6, when air themperature (x axis 304) is equal to or less than switching temperature 306 around, heat storage heat pump 100 may operate in heating mode (part 308).On the contrary, when air themperature is higher than switching temperature 306 around, heat storage heat pump 100 may operate in refrigerating mode (part 310).Switching temperature can be stored in system controller 131, and can adjust.
After step 204, method 200 advances to step 206.In step 206, compressor controller 114 operates to air compressor motor 109 not change state or change state according to operational mode.As mentioned above, when heat storage heat pump is in refrigerating mode, compressor controller 114 operates to air compressor motor 109 not change state or the most efficient state.Heat storage heat pump 100 is in heating mode time, and compressor controller 114 operates to change state by air compressor motor 109, and in this state, its COP is reduced.This can comprise several sub-steps, as shown in Figure 4.
Referring to Fig. 4, at sub-step 206a, compressor controller 114 can at least one mutually be opened set angle partially from three of air compressor motor 109.For example, compressor controller 114 can be opened 30 degree partially by mutually.At sub-step 206b, compressor controller 114 can change three mutually at least one be defined frequency.As mentioned above, each is to be defined frequency operation.At least one change in them can reduce COP.Should be understood that step 204 can comprise any one in sub-step 206a and 206b, it can be carried out with any order.Further should understand, step 206 can comprise more sub-steps, wherein air compressor motor 109 can otherwise change, such as the mechanical loss (or friction loss) of built-in motor restrictive condition, air compressor motor 109 inside, mechanical braking etc., to reduce COP.
Detailed description in accompanying drawing and demonstration are to support of the present invention and description, and scope of the present invention only limits by claim.But although to carrying out better model of the present invention, carried out detailed description those skilled in the art and can learn that being used in the scope of appended claim implement many replacement design and implementations example of the present invention.
Claims (10)
1. one kind for controlling the method for the compressor of vehicle heat storage heat pump, described vehicle has passenger carriage, described heat storage heat pump comprises the refrigerating circuit with the first coolant circuit and the second coolant circuit thermal communication, compressor is arranged in refrigerating circuit and has air compressor motor and motor controller, and described method comprises:
By at least one system controller, receive the measured value of at least one parameter;
Measured value by described at least one system controller based on described at least one parameter is determined the operational mode of heat storage heat pump; With
Operational mode based on heat storage heat pump is operated in and is not changed state and change in state wherein a kind of by air compressor motor by motor controller;
Wherein said operational mode is a kind of in heating mode and refrigerating mode; With
Wherein when heat is stored heat pump in refrigerating mode, air compressor motor is not moving in change state, and air compressor motor moves in change state when heat is stored heat pump in heating mode.
2. the method for claim 1, wherein said at least one parameter is ambient air temperature.
3. the method for claim 1, wherein air compressor motor is brushless direct-current (DC) motor, it has the coefficient of performance (COP), and is three-phase system, and wherein each phase place is partially opened with a set angle and in change state, do not had limited frequency.
4. method as claimed in claim 3, wherein air compressor motor in change state operation comprise the COP that reduces air compressor motor.
5. method as claimed in claim 4, wherein COP reduce comprise from set angle described at least one phase deviation of air compressor motor.
6. method as claimed in claim 4, the wherein described limited frequency that reduces to comprise at least one phase place that changes air compressor motor of COP.
7. the heat of vehicle is stored a heat pump, and described vehicle has passenger carriage, and this system comprises:
The first coolant circuit, is configured to allow the first circulate coolant flow;
The second coolant circuit, is configured to allow the second circulate coolant flow;
Refrigerating circuit, is configured to allow refrigerant circulation flow, and refrigerating circuit is respectively via First Heat Exchanger and the second heat exchanger and the first coolant circuit and the second coolant circuit thermal communication;
Compressor, be arranged in refrigerating circuit, compressor is configured to compressed refrigerant, and has air compressor motor and motor controller, and motor controller is configured to allow air compressor motor optionally operate in and does not change state and changes in state wherein a kind of; With
At least one system controller, is configured to measured value based at least one parameter and allows heat storage heat pump optionally operate in heating mode and refrigerating mode wherein a kind of;
Wherein heat storage heat pump during in refrigerating mode air compressor motor operate in not in change state, and heat storage heat pump during in heating mode air compressor motor operate in change state.
8. heat as claimed in claim 7 is stored heat pump, and wherein said at least one parameter is ambient air temperature.
9. heat as claimed in claim 7 is stored heat pump, wherein air compressor motor is brushless direct-current (DC) motor, it has the coefficient of performance (COP), and is three-phase system, and wherein each phase place is partially opened with a set angle and in change state, do not had limited frequency.
10. heat storage heat pump as claimed in claim 9, wherein when the COP of heat storage heat pump during in heating mode is less than as hot COP while storing heat pump in refrigerating mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/767,918 US20140230463A1 (en) | 2013-02-15 | 2013-02-15 | Method for controlling a compressor of a thermal storage heat pump system |
| US13/767,918 | 2013-02-15 |
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| Publication Number | Publication Date |
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| CN103994615A true CN103994615A (en) | 2014-08-20 |
| CN103994615B CN103994615B (en) | 2016-08-17 |
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| CN201410049625.7A Active CN103994615B (en) | 2013-02-15 | 2014-02-13 | For the method controlling the compressor of heat storage heat pump |
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| US (1) | US20140230463A1 (en) |
| CN (1) | CN103994615B (en) |
| DE (1) | DE102014101478B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113348327A (en) * | 2018-12-07 | 2021-09-03 | 瑞典意昂公司 | Control of thermal energy distribution system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101551097B1 (en) * | 2014-06-11 | 2015-09-08 | 현대자동차주식회사 | Heating system of hybrid vehicle |
| CA2913473A1 (en) * | 2015-11-27 | 2017-05-27 | Christer Gotmalm | Method and apparatus for cooling and heating in vehicles |
| WO2017219140A1 (en) * | 2016-06-22 | 2017-12-28 | Enermotion Inc. | Method and apparatus for hybrid power trailer refrigeration |
| GB201612039D0 (en) * | 2016-07-11 | 2016-08-24 | Arriba Cooltech Ltd | Heat pump control systems |
| JP6624107B2 (en) * | 2017-02-10 | 2019-12-25 | 株式会社豊田中央研究所 | Vehicle heat management control device, heat management control program |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103994615B (en) | 2016-08-17 |
| US20140230463A1 (en) | 2014-08-21 |
| DE102014101478B4 (en) | 2021-04-29 |
| DE102014101478A1 (en) | 2014-08-21 |
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