EP3233576A1 - Procede et dispositif de diagnostic d'un dispositif de gestion de l'energie electrique - Google Patents
Procede et dispositif de diagnostic d'un dispositif de gestion de l'energie electriqueInfo
- Publication number
- EP3233576A1 EP3233576A1 EP15818009.1A EP15818009A EP3233576A1 EP 3233576 A1 EP3233576 A1 EP 3233576A1 EP 15818009 A EP15818009 A EP 15818009A EP 3233576 A1 EP3233576 A1 EP 3233576A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- test
- voltage
- terminal
- diode
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 116
- 238000005259 measurement Methods 0.000 claims abstract description 67
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000002405 diagnostic procedure Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 239000007858 starting material Substances 0.000 description 13
- 230000001939 inductive effect Effects 0.000 description 8
- 238000003745 diagnosis Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
Definitions
- the invention relates to devices for managing the electrical energy of a vehicle in a very low voltage network and in particular the diagnosis of such a device.
- Document DE 10 201 1056 270 discloses an electrical architecture of a vehicle edge network. This architecture makes it possible to make two stockists live on the same 12V network: a lead battery and a lithium battery. This architecture implements a first and a second MOSFET type switches each comprising a diode. The anode of the diode of the first switch is connected to the anode of the diode of the second switch.
- the invention therefore aims to overcome the aforementioned drawbacks by providing a method and a diagnostic device of an energy management device, for verifying the proper operation of different components of the energy management device.
- an energy transfer management device comprising a first terminal, a second terminal, a third terminal intended to be connected to at least one electrical consumer, a fourth terminal intended to to be connected to an electrical energy store, said device comprising a first main switch connected firstly to the second terminal and secondly to the third terminal and a second main switch connected on the one hand to the fourth terminal and on the other hand at the third terminal, the method being characterized in that it comprises steps of:
- the invention makes it possible to check the correct operation of the switches of a power transfer management device, while guaranteeing the permanence of the power supply of the electrical consumer.
- the first main switch (51) comprising a first and a second elementary switch, the second main switch having a third elementary switch, the device comprising an electromechanical switch, the initialization step comprises the following steps:
- the test of the second main switch comprises steps of:
- the test of the first main switch from a voltage measurement at the terminals of the storer comprises steps of:
- the test of the first main switch from a current measurement comprises steps of:
- the diagnostic method according to the invention further comprises a test of the first diode comprising steps of:
- the diagnostic method according to the invention further comprises a test of the second diode comprising steps of:
- Test of the second diode and emission indicating the result of the test.
- the invention also relates to a diagnostic device comprising means for implementing the method according to the invention.
- the invention also relates to an electrical system comprising a power transfer management device connected to a diagnostic device according to the invention.
- the invention also relates to a vehicle characterized in that it comprises an electrical system according to the invention.
- FIG. 1a and 1b respectively illustrate an electrical system according to the invention and a detail of the energy management device according to the invention
- FIG. 2 illustrates a logic diagram representing steps of the diagnostic method of the device of FIG. 1;
- FIG. 3 shows a logic diagram representing steps of initialization of a diagnosis
- FIG. 4 shows a logic diagram showing a first series of 200 tests
- FIG. 5 shows a logic diagram presenting a second series 300 of tests
- FIG. 6 shows a logic diagram showing a third series 400 of tests
- FIG. 7 shows a logic diagram showing a fourth series 500 of tests
- FIG. 8 shows a logic diagram showing process steps for testing a first diode
- FIG. 9 shows a logic diagram showing process steps for testing the second diode.
- the electrical system comprises the following elements: an electric power producer 1 (for example, an alternator), a starter 2, a first electric energy store 3, the electrical energy transfer management device 5, a main edge network 4a of a vehicle and possibly a secondary edge network 4b, and a second energy store 6.
- the electrical energy transfer management device 5 comprises four terminals: firstly, a first terminal M, which is a negative terminal connected to a vehicle ground, and secondly, a second terminal P1, a third terminal terminal P2 and a fourth terminal P3 which are positive terminals.
- the electric power producer 1 is electrically connected on one side to the second terminal P1 of the device 5, with an electrical harness (resistive and inductive), and on the other side to ground.
- the starter 2 is also electrically connected on one side to the second terminal P1 of the device 5, with an electrical harness (resistive and inductive), and on the other side to ground.
- the secondary edge network 4b is also electrically connected on one side to the second terminal P1 of the device 5, with an electrical harness (resistive and inductive), and on the other side to ground.
- the first electrical energy store 3 is also electrically connected on one side to the second terminal P1 of the device 5 and on the other side to ground.
- the main edge network 4a is electrically connected on one side to the third terminal P2 of the device 5 with at least one beam and on the other side to one or a plurality of masses.
- the second storage unit 6 is electrically connected on one side to the fourth terminal P3 of the device 5 and on the other side to ground with beams.
- the alternator 1 (or alternator-starter) is used for the supply of electrical power to the on-board network 4a, 4b of the vehicle. If the vehicle is equipped with an alternator-starter 1, the latter is used to provide torque to the engine during the driving phase, during a so-called BOOST phase. In the BOOST phase, the alternator thus becomes a current consumer.
- the starter 2 is used for the first starts of the vehicle and possibly, depending on the configuration of the vehicle, for the restarts of the vehicle.
- the first electrical energy store 3, for example of the 12V lead battery type, is used in particular for start-up and restart, for the consumer power supply of the main on-board network 4a and the secondary 4b during the standby phases of the vehicle.
- the vehicle also comprises a sensor 8 collecting data relating to the first storer 3: the current of the first storer 3, the voltage of the first storer 3, the temperature of the first storer 3, an estimation of the state of charge of the first storer 3.
- a sensor 8 collecting data relating to the first storer 3: the current of the first storer 3, the voltage of the first storer 3, the temperature of the first storer 3, an estimation of the state of charge of the first storer 3.
- the first storer 3 is instrumented (measurement of current and voltage), it is possible to use this information.
- the main onboard network 4a includes electrical elements of the vehicle such as computers and electrical equipment, for example, comfort equipment, security organs and other electrical equipment not falling into the categories mentioned above.
- the vehicle comprises a secondary edge network 4b comprising only consumers (or organs) that are not disturbed during the start-up, restart and of BOOST.
- the second storer 6 (or secondary storer), for example a lithium-ion battery, is used to feed the main on-board network 4a during the use of the vehicle (off-standby).
- the vehicle also includes a supervisor 7 capable of collecting and transmitting data from the vehicle.
- the vehicle also comprises electrical distribution elements 10, 1 1, 12.
- These electrical distribution elements 10, 1 1, 12 are for example beams having inductive and resistive characteristics. The beams contribute to the good functioning of the system thanks to their resistive and inductive characteristic.
- the device 5 further comprises inductances (R, L) of the order of a few ⁇ (for example less than 10 ⁇ ) in the case where the inductive effect of the beams is not enough when controlling PWM switches.
- the device 5 has four terminals:
- the first terminal M negative terminal connected to a mass of the vehicle
- the second terminal P1 a positive terminal connected to the first storage unit 3, the starter 2 and the alternator 1 and the secondary edge network 4b;
- the third terminal P2 positive terminal connected to the main edge network 4a;
- the device 5 comprises two main switches 51, 53, also called power switches, (for example of the MOSFET type, which stands for Metal Oxide Semiconductor Field Effect Transistor), which results in a field effect transistor with a metal-oxide-semiconductor structure. ):
- the first main switch 51 is composed of a first elementary switch 51a, a second elementary switch 51b and of a first diode 51 c.
- the first diode 51c is put in place for the safety of operation. Indeed, the first diode 51c supplies power to the main edge network 4a if there is an open-circuit failure of the second elementary switch 51b, 53, and / or 54. In fact, if the system is in a discharge phase of the second storage unit 6 in the main edge network 4a and that the second main switch 53 and / or the electromechanical switch 54 become out of service open, then as the first elementary switch 51a and the second switch 51b are controlled open, the current will pass through the first diode 51c to supply the main edge network 4a.
- the first elementary switch 51a is normally closed. It is used to power the vehicle during a parking phase of the vehicle (vehicle standby).
- the second elementary switch 51b operates:
- PWM piloted control / automatic mode
- the second elementary switch 51b is controllable in voltage and current in the transfer of electrical energy (from the voltage and current set point for the construction of the PWM signal). As long as the current, the voltage and the power are in a template defined by limiting values, there is no voltage clipping, limitation of the current or limitation of the power and the second elementary switch 51b behaves like a closed switch. If the current, voltage, or power is beyond the defined pattern, there is voltage clipping, or current limiting or power limitation, and the second elementary switch 51b behaves as a one-way chopper.
- the control of 51 b allows a setting of a current limitation in the direction of the second storage unit 6 to the assembly comprising the first storage unit 3 and the alternator-starter 1 under voltage stress of the main on-board network 4a ( so as to maintain a minimum voltage in the main edge network 4a).
- This current limitation is used to contribute to the BOOST function and supply current to the alternator-starter 1 which then contributes to providing torque to the engine during the vehicle running phase.
- the control of 51 b does not allow limitation of the current in the direction of the first storer 3 to the second storer 6 in particular because of the first diode.
- the second switch 51b can be controlled:
- the supervisor authorizes the discharge of the second storer 6 to the assembly comprising the first storer 3 and the alternator-starter 1 under the constraint of a discharge current maximum Imax and with the respect of a minimum voltage of the main edge network 4a.
- the second main switch 53 comprises a third switch 53a and a second diode 53b.
- the third switch 53a operates:
- PWM piloted control / automatic mode
- PWM piloted control / automatic mode
- the storage direction 6 there is no current limitation in the storage direction 6 to the storage unit 3 / secondary edge network 4b and main edge network 4a, we are in a mode similar to the ON mode since the current is lower than the current setpoint.
- the third switch 53a is controllable in voltage and current in the transfer of electrical energy (from voltage and current setpoint for the construction of the PWM). As long as the current, the voltage and the power are in a template defined by limiting values, there is no voltage clipping, limitation of the current or limitation of the power and the third switch 53a behaves like a closed switch. If the current, voltage, or power is beyond the defined pattern, there is voltage clipping, or current limiting or power limitation, and the third switch 53a behaves as a one-way chopper.
- the control of the third switch 53a allows the implementation of a limitation of current in the direction of the assembly comprising the first storer 3 the starter 1 and the alternator 2 to the second storer 6 under constraints:
- the control of the third switch 53a does not allow limitation of the current in the direction of the second storage unit 6 to the assembly comprising the first storage unit 3 the starter 1 and the alternator 2.
- the second diode 53b is put in place for the safety of operation.
- the second diode 53b supplies power to the main on-board network 4a if there is an open circuit failure of 51b, 53a and 51c.
- the second elementary switch 51b and the third elementary switch 53a each behave as a monodirectional chopper.
- the device 5 overall, behaves as a bidirectional step-down.
- the device according to the invention also comprises a normally open electromechanical switch 54 enabling the second storage unit 6 to be isolated, for example, if the conditions at the limits of the second storage unit 6 are reached (durability of the storer). It is also open. when the vehicle is in standby: the lithium battery is not used during the vehicle standby or a failure of the main switch 53 in the closed state (always on).
- the invention also comprises a filtering capacitor 52 connected on the one hand to the third terminal P2 and the first terminal M.
- the main switches 51 and 53 have an unconventional positioning in an electrical architecture of a vehicle.
- the diodes are common cathode with all or part of the 12V electrical network 12a connected to these cathodes.
- the main edge network is connected to the cathodes of the diodes 51c, 53c.
- the positioning of the main switches 51, 53 and diodes 51c, 53b ensures that the main edge network 4a can be powered regardless of the control mode of the elementary switches 51a, 51b, 53b thanks to the diodes 51c, 53c.
- the device 5 allows, by driving the main switches 51, 53, to supply the consumers of the onboard network 4a and 4b with different energy sources:
- alternator 1 Either from the first storage set 3, alternator 1 by a management of the main switches 51, 53.
- the device according to the invention also comprises two current measurements 50a, 50b:
- the invention also comprises three voltage measurements 55a, 55b, 55c.
- the first voltage measurement 55a measures the voltage of the first storage unit 3 between the second terminal P1 and the first terminal M.
- the second voltage measurement 55b measures the voltage of the main edge network 4a between the third terminal P2 and the second terminal M.
- the third voltage measurement 55c measures the potential difference between, on the one hand, the first main switch 53 and the electromechanical switch 54 (positive potential) and, on the other hand, the terminal M (negative potential).
- the device according to the invention 5 also comprises two freewheeling diodes 56, 57.
- the first freewheeling diode 56 is indispensable during operation in PWM, otherwise the voltage becomes too high on the second storage unit 6, due to the inductive effects.
- the second freewheeling diode 57 is essential during operation in PWM, otherwise the voltage becomes too high on the first storage 3 (not starting, restarting). Without diode, overvoltages can destroy switches
- the free wheel diodes 56, 57 are not mandatory. Indeed the architecture according to the invention makes it possible to work in PWM (with diodes) or without PWM (without diode).
- the device according to the invention 5 also comprises a supervisor 58.
- the supervisor 58 is configured to generate a control signal C1, C2, corresponding to the determined operating mode, for the second elementary switch 51b and the third elementary switch 53a. These control signals make it possible to open and close the switches 51b, 53a in order to regulate the values of the voltage and the current associated with the transfer of energy when a limitation of the current and / or of the voltage is necessary.
- the variant embodiment takes up the various elements of the system of FIG.
- This variant is distinguished in that it further comprises: a first inductor L1 positioned between, on the one hand, the second terminal P1 and, on the other hand, the assembly comprising the anode of the first diode 51c and the cathode of the second freewheeling diode 57, and a second inductor L2 positioned between, on the one hand, the fourth terminal P3 and, on the other hand, the assembly comprising the anode of the second diode 53b and the cathode of the first freewheeling diode 56.
- the alternator 1 communicates [a] with the vehicle supervisor 7.
- the alternator 1 sends the vehicle supervisor 7 alternator data with for example the load of the alternator.
- the vehicle supervisor 7 sends to the alternator 1 control instructions of the alternator.
- the main on-board network 4a sends [b] to the vehicle supervisor 7 information concerning the state of the electric consumers present on the main on-board network 4a. More specifically, it is certain constituents (consumers) of the main on-board network 4a which send information to the supervisor 7. This information enables the vehicle supervisor 7 to determine a nominal operating voltage range of the main on-board network 4a by defining a minimum voltage (Umin) and a maximum voltage (Umax) to be guaranteed.
- Umin minimum voltage
- Umax maximum voltage
- the secondary edge network 4b sends [c] to the vehicle supervisor 7 information concerning the state of the electrical consumers present on the secondary on-board network 4b. More specifically, it is certain constituents (consumers) of the secondary on-board network 4b that send information to the supervisor 7. This information enables the vehicle supervisor 7 to determine a nominal operating voltage range of the secondary edge network 4b by defining a minimum voltage (Umin) and a maximum voltage (Umax) to be guaranteed.
- Umin minimum voltage
- Umax maximum voltage
- the first storer communicates [d] to the vehicle supervisor 7 information concerning the first storer 3, at a minimum: the temperature of the first storer, the current of the first storer, the voltage of the first storer, estimation of the state of charge of the first storer .
- the supervisor of the device 5 receives [e] the first voltage measurement 55a between P1 and M. This measurement represents the voltage of the first storage 3 (it is a picture at the voltage drop ready).
- the supervisor 58 of the device 5 receives [f] the first current measurement 50a in the main edge network direction 4a to the first storage unit 3 on the second terminal P1 of the device 5.
- the supervisor 58 of the device 5 controls [g] the first elementary switch 51 a.
- the supervisor 58 of the device 5 also drives [h] the second elementary switch 51 b.
- This is an ON type control (that is, in bidirectional mode), OFF (that is, blocked in the direction of the secondary edge 4b to the main edge 4a and can be passed in the direction of the first storer 3 to the main trunk network 4a through the first diode 51c or switched (PWM) in current limiting mode in the direction of the second storer 6 to the first storer 3 and passing in the storage direction 3 to the edge network 4a .
- ON type control that is, in bidirectional mode
- OFF that is, blocked in the direction of the secondary edge 4b to the main edge 4a and can be passed in the direction of the first storer 3 to the main trunk network 4a through the first diode 51c or switched (PWM) in current limiting mode in the direction of the second storer 6 to the first storer 3 and passing in the storage direction 3 to the edge network 4a .
- PWM switched
- the supervisor 58 of the device 5 receives [i] the second measurement of voltage between P2 and M. This measurement represents the voltage of the main edge network 4a.
- the supervisor 58 of the device 5 pilot 0] the third switch elemental 53a.
- This is an ON type control (that is, switching regardless of the direction of the current and the current value), OFF or switching mode (PWM) in charge current limiting mode of the second storage unit 6 in the alternator direction 1 to second storer 6.
- PWM switching mode
- the supervisor 58 of the device 5 also controls [k] the electromechanical switch 54.
- the supervisor 58 of the device 5 receives [I] the second current measurement 50b of the second storage unit 6.
- the supervisor 58 of the device 5 receives [m] the third voltage measurement 55c This measurement represents the voltage of the second storage unit 6.
- the vehicle supervisor 7 and the supervisor 58 of the device 5 exchange information [n].
- the vehicle supervisor 7 requests the supervisor 58 of the device 5 to contribute to the BOOST mode.
- the vehicle supervisor 7 sends to the supervisor 58 of the device 5:
- a maximum charging current setpoint of the second storage unit 6 and a maximum voltage of the second storage unit 6 (which can change as a function of, for example, the storage temperature) for controlling the third elementary switch 53a in PWM;
- the supervisor of the device 58 sends the vehicle supervisor 7 diagnostic information of the system: for example the states of the switches. This makes it possible to define the adapted driving mode. If there is switch off: we switch to a degraded mode.
- the second storer communicates [o] to the vehicle supervisor 7 information concerning the second storer 6, for example: the temperature of the second storer, the current of the second storer, the voltage of the second storer, estimation of the state of charge of the second storer .
- the diagnostic device 70 is a calculation module comprising at least one processor and at least one memory. This calculation module implements the method presented later in the description.
- the diagnostic device 70 receives in particular data from the first 55a, the second 55b and the third 55c voltage probe, the voltage probe.
- the diagnostic device 70 also receives data from the first 50a and the second 50b current probe.
- the diagnostic device 70 also receives data from the voltage probe of the current sensor of the first storage and the second storage.
- the diagnostic device 70 makes it possible to control the opening and closing of the internal switch of the second storer /
- the diagnostic device 70 sends back the diagnostic results of the first 51c and the second 53b diode, the first 51a, the second 51b, and the third 53a switch and the electromechanical switch 54.
- FIG. 2 shows a logic diagram representing steps of the diagnostic method of the device of FIG. 1.
- the method comprises the steps of:
- Step 100 Initialize the position of the device switches.
- Step 2 Check if the switch inside the second storage unit is open, if it is open then go to step 200 to start the test from the U_55x voltage measurements, otherwise there is a problem feeding then go to step 300 to run the diagnosis from the current measurement I 50b.
- the voltage U_st2 is measured at the terminals of the second storage unit 2. If the measured voltage U_st2 is below a parameterizable threshold (for example 0.1 V) then the switch is open.
- a parameterizable threshold for example 0.1 V
- This step is optional, especially in cases where the second storer does not have an internal switch.
- Step 300 Test the switches starting with a current measurement l_50b, and go to step 5.
- Step 200 Test switches starting with the voltages U_55a, U_55b and U_55c measured during the initialization.
- Step 3 Open the third elementary switch 53a.
- the opening of the switch (which has been validated) makes it possible to execute a test to validate the diode 53b.
- Step 4 Request closing of the internal switch at the second storage. This makes it possible to start the validation test of the second storage unit and, if the battery is present, to be able to test the first power switch 51.
- Step 400 After closing the internal switch at the second storage unit, carry out tests starting with a voltage measurement at the terminals of the second storage unit.
- Step 500 Test the second elementary switch 51b and the first diode 51c starting with the measurement of the current 50a.
- the method according to the invention also comprises a preliminary step (step 1) of waiting for a request to perform the diagnostic test.
- the request is for example issued by the supervisor [7] when the vehicle wakes up.
- FIG. 3 shows a logic diagram representing initialization steps of a diagnosis of the device of FIG. 1. These are commands of the various switches, aiming to obtain a positioning switches prior to voltage and current measurements.
- the advantage of the initialization 100 is to ensure that the switches are in an initial state (open or closed) determined and that the commands will be properly applied.
- the initialization 100 comprises the following steps, executed by the diagnostic device according to the invention:
- Step 101 applying a setpoint to close the first elementary switch 51 a;
- Step 102 application of a setpoint to open the second elementary switch 51b;
- Step 103 application of a setpoint to open the third elementary switch 53a;
- Step 104 application of a setpoint open the electromechanical switch 54;
- Step 105 request to open the internal switch to the second storage unit 6, if the second storage unit 6 has an internal switch;
- Step 106 measurement of three voltages from the first 55a, the second 55b and the third voltage measurement 55c and measurement of the voltage U_st2 at the terminals of the second storage 6.
- the measurement of these voltages makes it possible to determine the initial state of the device 5 in the vehicle environment. They also make it possible to determine if it is correctly connected to the terminals P1, P2 and P3;
- Step 107 measuring currents from the first current measurement 50a and the second current measurement 50b.
- FIG. 4 shows a logic diagram showing a first series 200 of tests comprising diagnostic steps of the switches (51a, 51b, 53a, 54), diodes (51c, 53b) and of the internal switch to the second storage unit 6 in their initial diagnostic state, obtained following the execution of the initialization step 100.
- the first series of tests 200 comprises the following steps:
- Step 201 test on the 3 voltages (U_55a, U_55b and U_55c) measured during initialization:
- U_55a represents the voltage from the first storage and S_ 5 5a_sup is a configurable voltage threshold for example equal to 10 V for a storage of 12V;
- U_55b represents the voltage from the first storer through the first switch 51 a which is closed and S_ 5 5b_sup is a parameterizable voltage threshold for example equal to 10 V for a 12V storer;
- U_55c is the voltage at the third measurement point with 53a and 54 open and S_ 5 5cjnf is a parameterizable voltage threshold for example equal to 0.02V for a 12V storage;
- step 207 If the three preceding conditions are verified then the device is in good working order and going to step 207, otherwise going to step 202.
- Step 202 If U_55a ⁇ S_ 5 5ajnf (with S_ 5 5ajnf is a parameterizable voltage threshold for example equal to 0.1 V) is that there is a problem of connection to the second terminal P1, then change to step 203, otherwise go to step 204.
- Step 203 Transmission of a diagnostic signal indicating the supply problem on the second terminal P1 and end of the test.
- Step 204 There was no fault found in step 202, so if U_55b ⁇ S_55bjnf (with S_ 5 5bjnf is a parameterizable voltage threshold for example equal to 0.1 V) it is that there is a problem with the first elementary switch 51a which is open and that the first diode 51c is out of service, then going to step 205, otherwise going to step 206.
- Step 205 Emitting a diagnostic signal indicating a problem on the first open switch 51 a out of service open and on the first diode 51 c out of service open and end of the test.
- Step 206 The first two conditions are verified then it is that there is a voltage different from 0V of measured on 55c, emission of a diagnostic signal indicating that the second power switch 53 is closed off (the third elementary switch 53a and / or the second diode 53b being closed) and end of the test.
- the potential difference D1 makes it possible to determine whether the first diode 51c is conducting or not.
- Step 208 Emitting a diagnostic signal indicating that the first elementary switch 51a is out of service open and that the first diode 51c is validated bypass.
- Step 209 Emitting a closing instruction of the third elementary switch 53a to test whether it is functional, and going to step 210.
- Step 210 Test that third elementary switch 53a has closed properly (compared with a reference threshold voltage S_u_55c_inf2)
- Step 211 Transmitting a diagnostic signal indicating that the second elementary switch 53a is out of service and the end of the test.
- Step 212 Issuing a diagnostic signal indicating that the second elementary switch 53a is enabled.
- Step 213 Emission of a closing instruction of the electromechanical switch 54, and going to step 214.
- Step 214 Measurement and test of the U_st2 voltage across the second storage.
- Step 215 Emitting a diagnostic signal indicating that the electromechanical switch 54 is out of service open, end of the test.
- Step 216 Transmission of a diagnostic signal indicating that the electromechanical switch 54 is enabled.
- FIG. 5 shows a logic diagram presenting a second series 300 of tests comprising diagnostic steps of the internal switch to the second storage unit, switches 51a, 51b, 51c, 53a, 54 and diodes 53b and 51c. These steps are performed in standby.
- the second 300 series of tests consists of the following steps:
- Step 302 The current L_50b being zero is that the second power switch 53 and / or the electromechanical switch 54 is / are open (s) and therefore the internal switch to the second storage is off closed. The transmission of a diagnostic signal indicating that the internal switch in the second storage unit is out of service closed and the transition to step 303.
- Step 303 Test the electromechanical switch 54 by a voltage measurement U_55c using the third voltage measurement 55c.
- Step 304 Issuing a diagnostic signal indicating that the electromechanical switch 54 is out of service closed, and end of the test.
- Step 305 There is a negative current measurement is that there is at least one double fault, Emission of a diagnostic signal indicating that the electromechanical switch 54 is out of service closed and that the internal switch second storer is out of service closed, and go to step 307.
- Step 306 There is a positive current measurement is that there is a triple failure, issuing a diagnostic signal indicating that the second power switch 53 is out of service closed (53a and / or 53b is closed), that the electromechanical switch 54 is out of service closed and that the internal switch of the second storage is closed off, and going to step 309.
- Step 307 Measurement of the Voltage at the Terminals of the Second Power Switch 53. If the voltage is between a first threshold (for example 0.1 V) and a second threshold (for example 1 V, these thresholds being configurable), is that the second diode 53b is passing then go to step 308, otherwise go to step 309.
- a first threshold for example 0.1 V
- a second threshold for example 1 V, these thresholds being configurable
- Step 308 Issuing a diagnostic signal indicating that the second diode 53b is validated passing.
- Step 309 Measure the current I 50 a from the first current measurement 50 a to define whether the first power switch 51 is faulty or not.
- Step 310 Emitting a Diagnostic Signal Indicating that the First Elemental Switch 51a Is Off Open or the Impedance (or Resistance) of the First Elemental Switch 51a Is Much Greater Than That of the Second Elementary Switch 51b , the current always taking the shortest path, in our case, the weakest resistance) and that the second elementary switch 51 b AND / OR the first diode 51 c is out of service closed, end of the test.
- Step 311 If the voltage of the first power switch 51 is between 0.1 V and 1 V (configurable thresholds) is that the first diode 51 c is passing then going to step 312, otherwise go to step 310.
- Step 312 Issuing a diagnostic signal indicating that the first diode 51c is validated pass and the first elementary switch 51a is out of service open, and end of the test.
- FIG. 6 shows a logic diagram showing a third series 400 of tests comprising diagnostic steps of the internal switch to the storer 2, switches 51a, 51b, 51c and diodes 53b and 51c; it is performed in standby.
- the third 400 series of tests consists of the following steps:
- Step 401 Is the voltage at the terminals of the second storage unit greater than 10 V (this is a configurable threshold) if yes it is that the internal switch of the second storage unit is validated, then passage to the step 403, otherwise go to step 402.
- Step 402 Issuing a diagnostic signal indicating that the internal switch of the second storer is out of service open, and end of the test.
- Step 403 Issuing a diagnostic signal indicating that the internal switch of the second storage unit is enabled, and going to step 404.
- Step 405 Transmitting a signal indicating the need to carry out a complementary test when the vehicle engine is running, going to step 406.
- Step 406 Emitting a signal controlling the closing of the third elementary switch 53a to turn on the second power switch 53 and to circulate current in this branch of the device, and going to step 408.
- the closing of 53a makes it possible to guarantee the power supply of the on-board network in the following of the diagnostic procedure. Indeed in the following tests, the diagnostic device controls the opening of 51 a. If 51 c is HS open, there would be a general power loss on the onboard network 4a. The fact of closing 53a then makes it possible to feed the on-board network by the storer if 51 c is HS open or non-conducting.
- Step 407 Transmitting a diagnostic signal indicating that the second diode 53b is enabled, and going to step 408.
- Step 408 If the first elementary switch 51 has already been diagnosed out of service open then end of the test, otherwise go to step 409.
- Step 409 Store the voltage U_55a measured at the first voltage measurement 55a, and go to step 410.
- Step 410 Emission of an opening command of the first elementary switch 51a, and going to step 411.
- Step 411 New voltage measurement U_55a_2 and comparison with the stored voltage U_55a. If the voltage has changed then go to step 415, otherwise go to step 412.
- Step 412 Is current measurement l_50a equal to 0? If yes, it is that the first elementary switch 51a is off closed then go to step 413, otherwise, if there is current is that there is a failure on the second elementary switch 51 b or on the first diode 51 c then go to step 414.
- Step 413 Transmission of a diagnostic signal indicating that the first elementary switch 51a is out of service, end of the test.
- Step 414 Emitting a diagnostic signal indicating that the second elementary switch 51b is out of service closed or the first diode 51c out of service closed, and end of the test
- Step 415 Transmission of a diagnostic signal indicating that the first elementary switch 51 has been validated.
- FIG. 7 shows a logic diagram presenting a fourth series 500 of tests comprising steps of diagnosis of the second switch elementary element 51b and first diode 51c. This series is also performed in standby.
- the fourth 500 series of tests consists of the following steps:
- Step 501 Measurement of the current I 50 a:
- Step 502 Issuing a diagnostic signal indicating that the second elementary switch 51 b is off closed or that the first diode is 51 c off closed, end of the test.
- Step 503 Emitting a closing command of the second elementary switch 51b, and going to step 504.
- Step 504 Test to determine if current L 50 a is different from 0.
- step 505 If so it is that 51b is passing then going to step 505, otherwise going to step 507.
- Step 505 Issuing a diagnostic signal indicating that the second elementary switch 51b is enabled, and the transition to step 506.
- Step 506 Transmission of a signal indicating the need to perform a complementary test when the vehicle engine is running to test the first diode 51c and end of the test.
- Step 507 Emitting a diagnostic signal indicating that the second elementary switch 51b is out of service open and end of the test.
- Step 507a Calculation of a potential difference between the first voltage U_55a and the second voltage U_55b, if U_55a- U_55b ⁇ 0.1 volt then go to step 508, else if 0.1 V ⁇ 55a- U_55b ⁇ 1 V then switch to step 509.
- Step 508 Emitting a diagnostic signal indicating that the second elementary switch 51b is out of service or the first diode is closed, and the end of the test.
- Step 509 Emitting a diagnostic signal indicating that the second elementary switch 51b is enabled passing and passing to step 510.
- Step 510 Emission of a signal controlling the closing of the second elementary switch 51 b.
- Step 511 Test to check whether the voltage across the power switch 51 is lower than a parameterizable threshold that is substantially zero (for example 0.1 V).
- step 512 If yes it is that the power switch is passing then go to step 512, otherwise go to step 513.
- Step 512 Transmission of a diagnostic signal indicating that the second elementary switch 51b is validated and the end of the test.
- Step 513 Emitting a diagnostic signal indicating that the second elementary switch 51b is out of the open and the end of the test.
- FIG. 8 shows a logic diagram showing process steps for testing the first diode 51c. These steps are performed when the vehicle engine is running.
- the prerequisites for this test are: the internal switch of the second storage unit is closed, the electromechanical switch 54 is closed and the first elementary switch is open.
- the test of the first diode 51c comprises the following steps:
- Step 81 Check if all the switches are functional to perform the test if yes go to step 82, otherwise go to step 89.
- Step 82 Emission of a request to open the third elementary switch 53a to prevent recharging of the second storage unit and to cause an additional voltage drop on the on-board network to facilitate the test, and to go to step 83 .
- Step 83 Verification of the following two conditions: (i) is the state of charge of the storer 2 greater than a predefined minimum threshold (for example 60%) AND (ii) is the storer's voltage greater than minimum threshold (Umin) predefined (for example 13V)?
- step 84 If both conditions are verified then go to step 84, otherwise go to step 89.
- Step 84 Emission of a request to open the second elementary switch 51b and go to step 85.
- Step 85 Issue of a request to raise the voltage of the alternator to a prefedinie value U_cons_alt_max (for example 15V).
- U_cons_alt_max for example 15V.
- Step 86 Verification of the two following conditions: (i) the measured intensity (l_50a) at the first voltage is less than zero Amperes and (ii) the difference between the voltage (U_55a) measured by the first voltage measurement and the voltage (U_55b) measured by the second voltage measurement is between 0.1 V and 1 V. If both conditions are satisfied then the first diode 51c is on and goes to step 88, otherwise going to step 87.
- Step 87 Emitting a diagnostic signal indicating that the first diode 51c is out of service and that the test has been performed, end of the test.
- Step 88 Transmission of a diagnostic signal indicating the first diode 51 c is validated by passing, and that the test has been carried out and end of the test
- Step 89 Emitting a diagnostic signal that the test could not be performed because the conditions are not met, end of the test.
- Figure 9 shows a logic diagram showing process steps for testing the second diode 53b. These steps are performed when the vehicle engine is running.
- the prerequisites for this test are: the internal switch of the second storage unit is closed, the electromechanical switch 54 is closed and the first elementary switch 51a is open.
- Step 91 Verification of the following conditions: (i) all the switches (53a, 51c, 51b, 51a) are functional, (ii) the state of charge of the second storage unit is greater than the minimum threshold, ( iii) the second storage voltage is greater than a minimum threshold (Umin). If the conditions are satisfied then go to step 92, otherwise go to step 99.
- Step 92 Transmission of a request to close the switch of the second elementary switch 51b and the third elementary switch 53a.
- Step 93 Issue a request to mount the alternator setpoint at 15V. This makes it possible to verify that the current I-50b, measured by the second current measurement 50b, is zero when the third switch 53a is open.
- Step 94 If the current I_50b, measured by the second current measurement 50b is zero, it is that the second power switch 53 is open (normal by blocking the diode or out of service open) then move to step 95, otherwise (the current l_50b is not zero) is that the second power switch 53 is out of service then passing to step 911.
- Step 95 Issue a request to lower the alternator setpoint to 12.5V.
- Step 96 Emission of a request to open the second elementary switch 51b, this to ensure that the first storer or the alternator does not supply power to the onboard network. It is then the second storer who feeds the onboard network.
- Step 97 Measurement of current I-50b at the second current measurement 50b. If the current I_50b is zero, it is that the second diode 53b is out of service open, and going to step 99, otherwise (the current is less than 0) then going to step 910.
- the current can not be greater than 0 because otherwise it would have gone to step 91 1 during the test of step 94.
- Step 98 The conditions are not met to perform the test, issuing a signal indicating that the test is not performed, end of the test.
- Step 99 Issuing a diagnostic signal that indicates that the second diode 53b is out of service open.
- Step 910 sending a diagnostic signal which indicates that the second diode 53b is validated passing.
- Step 911 Issuing a diagnostic signal which indicates that the third elementary switch 53a AND / OR the second diode 53b are out of the closed state.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1462775A FR3030767B1 (fr) | 2014-12-18 | 2014-12-18 | Procede et dispositif de diagnostic d’un dispositif de gestion de l’energie electrique |
PCT/FR2015/053450 WO2016097551A1 (fr) | 2014-12-18 | 2015-12-11 | Procede et dispositif de diagnostic d'un dispositif de gestion de l'energie electrique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3233576A1 true EP3233576A1 (fr) | 2017-10-25 |
Family
ID=53191767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15818009.1A Pending EP3233576A1 (fr) | 2014-12-18 | 2015-12-11 | Procede et dispositif de diagnostic d'un dispositif de gestion de l'energie electrique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3233576A1 (fr) |
FR (1) | FR3030767B1 (fr) |
WO (1) | WO2016097551A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108957378B (zh) * | 2018-07-24 | 2021-01-08 | 阳光电源股份有限公司 | 一种用于测试能量管理系统的测试平台 |
CN110646729A (zh) * | 2019-09-29 | 2020-01-03 | 恺信国际检测认证有限公司 | 一种用于航空测试的微断测试组件、系统 |
FR3125595A1 (fr) * | 2021-07-22 | 2023-01-27 | Psa Automobiles Sa | Tests de commutateurs assurant le couplage entre des sources d’alimentation électrique d’un véhicule |
FR3132954B1 (fr) * | 2022-02-21 | 2024-01-05 | Psa Automobiles Sa | Procede de diagnostic d’un defaut de deconnexion d’un stockeur electrique de securite dans un reseau electrique de bord d’un vehicule electrifie |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5234052B2 (ja) * | 2010-04-27 | 2013-07-10 | 株式会社デンソー | 電源装置 |
JP5541134B2 (ja) * | 2010-12-13 | 2014-07-09 | 株式会社デンソー | 電源装置 |
KR101146433B1 (ko) * | 2010-12-15 | 2012-05-18 | 삼성에스디아이 주식회사 | 배터리 팩의 ovp 모니터링 시스템 및 그에 따른 모니터링 방법 |
US20140312909A1 (en) * | 2013-04-17 | 2014-10-23 | Ge Intelligent Platforms, Inc. | Programmable contact input apparatus and method of operating the same |
-
2014
- 2014-12-18 FR FR1462775A patent/FR3030767B1/fr not_active Expired - Fee Related
-
2015
- 2015-12-11 WO PCT/FR2015/053450 patent/WO2016097551A1/fr active Application Filing
- 2015-12-11 EP EP15818009.1A patent/EP3233576A1/fr active Pending
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2016097551A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR3030767B1 (fr) | 2018-03-23 |
FR3030767A1 (fr) | 2016-06-24 |
WO2016097551A1 (fr) | 2016-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016097551A1 (fr) | Procede et dispositif de diagnostic d'un dispositif de gestion de l'energie electrique | |
WO2011157922A1 (fr) | Circuit electrique mixte a fonction d'onduleur et de convertisseur alternatif-continu et procede de diagnostic d'un tel circuit | |
EP2567443A2 (fr) | Systeme d'equilibrage pour batterie de puissance et procede d'equilibrage de charge correspondant | |
FR2988856A1 (fr) | Procede et dispositif de diagnostic d'un circuit de decharge d'un systeme electrique | |
FR3013004A1 (fr) | Commande securisee d'un rechauffeur electrique | |
WO2016079435A1 (fr) | Procédé pour optimiser la consommation de l'énergie réactive | |
FR2825852A1 (fr) | Systeme de commande de moteur a combustion interne pour vehicule et procede de commande associe | |
EP2945817A1 (fr) | Gestion de la charge d'une batterie | |
EP3028356B1 (fr) | Système de gestion d'une tension d'alimentation d'un réseau électrique de bord de véhicule automobile | |
EP3202015B1 (fr) | Dispositif de gestion de transfert d'énergie amélioré | |
FR3106213A1 (fr) | Diagnostic d’état d’une batterie de servitude d’un véhicule par impulsions de courant | |
EP3408920B1 (fr) | Dispositif de gestion de transfert d'énergie avec contrôle actif des perturbations électromagnétiques | |
EP3769098B1 (fr) | Procede de determination d'au moins deux resistances equivalentes d'isolement d'un systeme electrique | |
WO2013014351A1 (fr) | Systeme de controle d'un redresseur de courant destine a charger une batterie d'un vehicule automobile electrique | |
EP3271993A1 (fr) | Dispositif de pilotage d'alimentation electrique de circuit pour un vehicule comprenant une batterie et ensemble correspondant | |
FR3084470A1 (fr) | Procédé pour contrôler la plausibilité d’une grandeur de mesure d’un capteur de véhicule automobile | |
FR2911732A1 (fr) | Dispositif d'elevation temporaire de tension electrique pour organe automobile | |
WO2019193263A1 (fr) | Procede de controle d'un systeme de batterie pour optimiser le vieillissement des sous-sytemes de batterie | |
FR2986383A1 (fr) | Equilibrage d'une batterie de stockage d'energie electrique a au moins deux branches paralleles | |
EP2817865B1 (fr) | Procédé de gestion de l'énergie électrique d'une architecture électrique d'un véhicule automobile et véhicule automobile mettant en oeuvre un tel procédé | |
WO2014013206A1 (fr) | Calculateur de regulation de moteur et procede de detection de pannes d'un tel calculateur | |
FR2849298A1 (fr) | Dispositif de controle de l'etat de charge, a tension constante, d'un ensemble de batterie a generateurs electrochimiques secondaires | |
FR3019396A1 (fr) | Systeme de stabilisation de tension | |
FR3069396A1 (fr) | Regulateur de tension pour un alternateur de vehicule automobile d'au moins un circuit independant de protection contre les surtensions | |
FR3143912A1 (fr) | Système de commande d’un convertisseur de tension |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20170522 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: PSA AUTOMOBILES SA |
|
17Q | First examination report despatched |
Effective date: 20201016 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: STELLANTIS AUTO SAS |