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1. 发明申请

WO2021209443A1 AUTOMATIZATION OF DRAINAGE AND DEAERATORS 审中-公开
公开(公告)号：WO2021209443A1
公开(公告)日：2021-10-21
申请号：PCT/EP2021/059547
申请日：2021-04-13
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , CARLSTRÖM, Helen , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： E21B33/035 , F16K37/00
摘要： Disclosed is a valve assembly (100) for drainage or deaeration of a hydraulic system (114), The valve assembly (100) comprising: a valve (102) comprising a first side (104) and a second side (106), the first side (104) is configured to be connected to the hydraulic system (114) and the second side (106) is connected to a mouth piece (108), wherein the valve (102) is configured to be set in an open state or in a closed state, wherein, upon the valve (102) is set in the open state, fluid in the hydraulic system (114) is free to pass the valve (102) from the first side (104) to the second side (106); a valve assembly controller (110) comprising a transceiver (202) configured to receive a control signal indicating a start of drainage or deaeration of the hydraulic system (114) and a valve assembly control circuit (204) configured to execute: a valve control function (210) configured to set the valve (102) in the open state or closed state; and a drainage or deaeration function (212) configured to, based on the control signal, instruct the valve control function (210) to set the valve (102) in the open state; and a sensor (112) configured to monitor the mouth piece (108) to obtain sensor data pertaining to fluid leaving the mouth piece (108) upon the valve (102) is set in the open state.

2. 发明申请

WO2021180752A1 IMPROVED EFFICIENCY FOR A HEAT EXTRACTING SYSTEM AND/OR A HEAT DEPOSITING SYSTEM 审中-公开
公开(公告)号：WO2021180752A1
公开(公告)日：2021-09-16
申请号：PCT/EP2021/055968
申请日：2021-03-10
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , LINDOFF, Bengt , CARLSTRÖM, Helen , ROSENQVIST, Fredrik
IPC分类号： F24D10/00 , F24D3/18 , F24F5/00
摘要： A heat extracting system (100) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, and a heat depositing system (200) arranged to be connected to a thermal energy circuit (300) comprising a hot conduit (302) configured to allow thermal fluid of a first temperature to flow therethrough, and a cold conduit (304) configured to allow thermal fluid of a second temperature to flow therethrough, the second temperature is lower than the first temperature. Also a heat depositing system (200) is disclosed.

3. 发明申请

WO2020178157A1 A METHOD AND A SERVER FOR VERIFYING A PHYSICAL CONNECTION OF AN UNVERIFIED THERMAL DEVICE TO A SPECIFIC COMBINED DISTRICT HEATING AND COOLING SYSTEM 审中-公开
公开(公告)号：WO2020178157A1
公开(公告)日：2020-09-10
申请号：PCT/EP2020/055229
申请日：2020-02-28
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D19/10
摘要： Disclosed is a method for verifying a physical connection of an unverified thermal device (202) to a specific combined district heating and cooling system (100). The method comprising: receiving (402), from a verified thermal device (106a-e, 112) already verified as physically connected to the specific combined district heating and cooling system (100), reference data pertaining to a physical characteristic associated to the specific combined district heating and cooling system (100); receiving (404), from the unverified thermal device (202), test data pertaining to a physical characteristic of a combined district heating and cooling system (100) the unverified thermal device (202) is connected to; determining (406) a comparison criterion based on the reference data; and comparing (408) the test data and the comparison criterion. Upon the comparison fulfills (410) the comparison criterion, verifying (412) that the unverified thermal device (202) is physically connected to the specific combined district heating and cooling system (100). Also a server configured to verify a physical connection of an unverified thermal device (202) to a specific combined district heating and cooling system (100) is disclosed.

4. 发明申请

WO2021099378A1 ENSURING A FLOW OF HEAT TRANSFER FLUID IN A DISTRICT HEATING/COOLING GRID 审中-公开
公开(公告)号：WO2021099378A1
公开(公告)日：2021-05-27
申请号：PCT/EP2020/082520
申请日：2020-11-18
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , CARLSTRÖM, Helen , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D19/10
摘要： A method for ensuring a flow of heat transfer fluid in a district thermal energy distribution grid (120) comprising a feed conduit (130) and a return conduit (140) is presented. The method comprising: checking if a thermal energy extraction unit (310) connected to the district thermal energy distribution grid is called for delivering thermal energy; upon the thermal energy extraction unit (310) not being called for delivering thermal energy, opening a control valve (340) configured to control a flow of heat transfer fluid from the feed conduit (130) via the thermal energy extraction unit (310) to the return conduit (140), thereby achieving a by-pass from the feed conduit (130) to the return conduit (140). Also control unit for controlling a thermal energy extraction unit (310) is presented.

5. 发明申请

WO2019211199A1 HANDLING SURPLUS AND/OR DEFICIT OF ENERGY IN A LOCAL ENERGY SYSTEM 审中-公开
公开(公告)号：WO2019211199A1
公开(公告)日：2019-11-07
申请号：PCT/EP2019/060768
申请日：2019-04-26
申请人： E.ON SVERIGE AB
发明人： LINDOFF, Bengt , SKOGSTRÖM, Jacob , ROSÉN, Per
IPC分类号： H02J3/32 , H02J3/38 , B60L53/63 , B60L55/00
摘要： A method for handling surplus or deficit of energy in a local energy system (30) is presented. The method comprising: determining (S1) energy status of the local energy system (30) based on data pertaining to the local energy system (30); determining (S2), for each of a plurality of moveable devices (10) comprising an accumulator (20), an accumulator status based on accumulator data pertaining to the respective moveable device (10); scoring (S3), based on the determined respective accumulator statuses and the determined energy status, each of the moveable devices (10); and selecting (S4), based on the respective scores of each of the plurality of moveable devices (10), a moveable device (10) among the plurality of moveable devices (10) to which at least one of control information or navigational information associated to the local energy system (30) is to be sent; and sending the control information and/or the navigational information to the selected moveable device (10). Also a server (40) configured to handling surplus or deficit of energy in a local energy system is presented.

6. 发明申请

WO2021089370A1 METHOD AND CONTROL UNIT FOR CONTROLLING A CONTROL VALVE CONTROLLING A FLOW OF HEAT TRANSFER FLUID INTO A THERMAL ENERGY EXTRACTION UNIT 审中-公开
公开(公告)号：WO2021089370A1
公开(公告)日：2021-05-14
申请号：PCT/EP2020/080188
申请日：2020-10-27
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt , CARLSTRÖM, Helen
IPC分类号： F24D10/00 , F24D19/10
摘要： Disclosed is a method for controlling a control valve (110), wherein the control valve (110) is configured to control a flow of heat transfer fluid to a thermal energy extraction unit (108). The method comprising: reviewing (S402) a demand signal for the control valve (110); checking (S404) if the demand signal is indicative of setting the control valve (110) in a hysteresis interval for the control valve (110); and upon the demand signal is indicative of setting the control valve (110) in the hysteresis interval, alternatingly (S406) setting the control valve (110) in an open state above the hysteresis interval and setting the control valve (110) in a closed state.

7. 发明申请

WO2020193310A1 CONTROL FOR SUPERVISING COMMUNICATION BETWEEN A CENTRAL SERVER AND A LOCAL CONTROL OF THERMAL DEVICE BEING PART IN A HEAT OR COOL DISTRIBUTING NETWORK 审中-公开
公开(公告)号：WO2020193310A1
公开(公告)日：2020-10-01
申请号：PCT/EP2020/057432
申请日：2020-03-18
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D19/10
摘要： Disclosed is a control unit (206) configured to control an outtake of heat and/or cold of a thermal device (106) from a distribution grid (202) for a fluid based distribution of heat and/or cold. The control unit (206) comprising: a communication unit (302) configured to communicate with a central (208) server using a predetermined rule of communication; a control circuit (304) configured to execute: a monitoring function (310) configured to monitor the communication between the control unit (206) and the central server (208); a mode setting function (312) configured to: upon the communication between the control unit (206) and the central server (208) fulfills the predetermined rule of communication, set the thermal device (106) in a normal operation mode, upon the communication between the control unit (206) and the central server (208) does not fulfill the predetermined rule of communication, set the thermal device (106) in a limited operation mode, wherein the limited operation mode is more restricted than the normal operation mode, wherein in the normal operation mode the thermal device (106) is allowed to freely take out heat and/or cold from the distribution grid (202), wherein in the limited operation mode the thermal device (106) is restricted to take out heat and/or cold from the distribution grid (202) below a preconfigured threshold.

8. 发明申请

WO2020178066A1 HEAT PUMP ASSEMBLY AND CONTROLLING OF THE SAME 审中-公开
公开(公告)号：WO2020178066A1
公开(公告)日：2020-09-10
申请号：PCT/EP2020/054832
申请日：2020-02-25
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D19/10 , F24F5/00 , F24F11/84
摘要： A heat pump assembly (100) is presented. The heat pump assembly (100) comprises a heat pump (110) having a primary side inlet (122) and a primary side outlet (124); a primary side inlet valve assembly (126) comprising: a primary side inlet connection (126a) connected to the primary side inlet (122), a primary side inlet valve first conduit connection (126b) configured to be connected to a first conduit (12) of a thermal energy grid (10), and a primary side inlet valve second conduit connection (126c) configured to be connected to a second conduit (14) of the thermal energy grid (10); a first conduit temperature determining device (105a) configured to measure a local temperature, t 1 , of heat transfer liquid of the first conduit (12); a second conduit temperature determining device (105b) configured to measure a local temperature, t 2, of heat transfer liquid of the second conduit (14); and a controller (108). The controller is configured to: receive t 1 and t 2 from the first and second conduit temperature determining devices (105a; 105b), receive information pertaining to whether the heat pump (110) is a heating mode heat pump or a cooling mode heat pump. The controller is configured to upon the heat pump (110) is the heating mode heat pump and upon t 2 >t 1 set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve first conduit connection (126b) and the primary side inlet connection (126a), or upon the heat pump (110) is the heating mode heat pump and upon t 1 > t 2 , set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve second conduit connection (126c) and the primary side inlet connection (126a). The controller is configured to upon the heat pump (110) is the cooling mode heat pump and upon t 1 > t 2 , set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve second conduit connection (126c) and the primary side inlet connection (126a), or upon the heat pump (110) is the cooling mode heat pump and upont 2 > t 1 , set the primary side inlet valve assembly (126) to fluidly connect the primary side inlet valve first conduit connection (126b) and the primary side inlet connection (126a).

9. 发明申请

WO2020120385A1 DISTRIBUTION PUMP ARRANGEMENT FOR A HYDRAULIC DISTRIBUTION SYSTEM HAVING CHANGING FLOWING DIRECTION 审中-公开
公开(公告)号：WO2020120385A1
公开(公告)日：2020-06-18
申请号：PCT/EP2019/084188
申请日：2019-12-09
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D19/10 , G05D16/00
摘要： The present invention relates to a distribution pump arrangement for a bi- directional hydraulic distribution grid (10). The distribution pump arrangement comprising: a hot conduit control valve (20) in a hot conduit (12); a first distribution pump (22) having an inlet (22a) connected to the hot conduit (12) at a first side (20a) of the hot conduit control valve, and an outlet (22b) connected to the hot conduit (12) at a second side (20b), opposite the first side (20a), of the hot conduit control valve (20); a pressure difference determining device (80, 80') arranged beyond the second side of the hot conduit control valve (20) and configured to determine a local pressure difference, Δp, between a local pressure, p hot , of heat transfer liquid in the hot conduit (12) and a local pressure, p cold , of heat transfer liquid in the cold conduit (14); and a controller (90) configured to: while Δp cold > p hot , set the distribution pump arrangement in a hot conduit pumping mode, wherein: the hot conduit control valve (20) is set to be closed, and the first distribution pump (22) is set to be active, thereby reduce the local pressure difference.

10. 发明申请

WO2020115008A1 CONTROLLING OF A THERMAL ENERGY DISTRIBUTION SYSTEM 审中-公开
公开(公告)号：WO2020115008A1
公开(公告)日：2020-06-11
申请号：PCT/EP2019/083403
申请日：2019-12-03
申请人： E.ON SVERIGE AB
发明人： ROSÉN, Per , SKOGSTRÖM, Jacob , ROSENQVIST, Fredrik , LINDOFF, Bengt
IPC分类号： F24D10/00 , F24D3/18 , F24F5/00 , F24F11/62 , F24F11/67
摘要： The present invention relates to a method for controlling setting of reversible heat pump assemblies (100) of a district thermal energy distribution system (1) in either a heating mode or a cooling mode. The method comprises: determining, at a control server, a first set of the reversible heat pump assemblies (100) to be set in the heating mode during a future time period; determining, at the control server, a second set of the reversible heat pump assemblies (100) to be set in the cooling mode during the future time period, wherein the second set of the reversible heat pump assemblies (100) is separate from the first set of the reversible heat pump assemblies (100); sending, from the control server (200) to the reversible heat pump assemblies (100) of the first set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the heating mode for the future time period; sending, from the control server (200) to the reversible heat pump assemblies (100) of the second set of the reversible heat pump assemblies (100), a respective control message to set the respective reversible heat pump assembly (100) in the cooling mode for the future time period; and setting the respective reversible heat pump assembly (100) in either the heating mode or the cooling mode for the future time period.

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