阅读说明：本技术 用于控制电动或混合动力车辆上车载的充电设备的方法 (Method for controlling charging equipment vehicle-mounted on electric or hybrid vehicle ) 是由 P·克维斯卡 L·梅里耶纳 于 2018-02-16 设计创作，主要内容包括：一种用于控制电池(20)-充电设备(10)的方法,该充电设备包括在输出端处具有两个DC电源总线的整流器级(11),每个DC电源总线连接至一个电容器(C1,C2),每个电容器耦合至DC到DC转换器级(12)的LLC谐振转换器电路(14,16),每个LLC电路包括一组开关(140,160),该组开关在输入端处连接至一个输出电容器、并在输出端处串联连接至谐振电路以及变压器的第一绕组,该变压器的第二绕组链接至与该电池(20)链接的二极管桥(141,161)。根据该方法,针对每个LLC电路：-将该电容器的端子两端的电压测量值与设定点电压进行比较；-根据该电容器的端子两端的电压与该设定点电压之间的差值的符号来设置所述一组开关的切换频率。(A method of for controlling battery (20)-charging equipment (10), the charging equipment includes that there are two the rectifier stages (11) of DC power supply bus in output tool, each DC power supply bus is connected to a capacitor (C1, C2), each capacitor is coupled to the LLC resonance converter circuit (14 of DC to DC converter level (12), 16), each LLC circuit includes one group of switch (140, 160), group switch is connected to an output capacitor in input end, and the first winding of resonance circuit and transformer is connected in output, second winding of the transformer links to the diode bridge (141 linked with the battery (20), 161).According to this method, for each LLC circuit :-be compared the voltage measuring value at the terminal both ends of the capacitor with set point voltage；The switching frequency of one group of switch is set according to the symbol of the difference between the voltage at the terminal both ends of the capacitor and the set point voltage.)

1. method of the one kind for controlling the equipment (10) for charging to motor vehicle battery (20), the charging equipment packet Include provide power factor emendation function rectifier stage (11), the rectifier stage input end be connected to power supply grid and It include two DC power supply buses in output, each DC power supply bus is connected to an output capacitor (C1, C2), each defeated Capacitor is coupled to the LLC resonance converter circuit for DC to the DC converter level (12) connecting with the battery in input end out (14,16), each LLC resonance converter circuit (14,16) include one group of switch (140,160), which switchs in input end Be connected to an output capacitor (C1, C2) of the rectifier stage (11) and output be connected to resonance circuit (L, C) and the first winding of transformer (T), the second winding of the transformer link to the diode bridge linked with the battery (20) (141), the method is characterized in that, for each LLC resonance converter circuit, the described method comprises the following steps:

The measurement voltage at the terminal both ends of the output capacitor of the input end of the LLC resonance converter circuit will be coupled in (V_DC) it is compared with set point voltage (V_DC_REF),

It is set according to the symbol of the difference between the voltage measuring value at the terminal both ends of the output capacitor and the set point voltage Set the switching frequency (f_ control) of the switch in one group of switch.

2. the method as described in claim 1, it is characterised in that

Determine whether the difference between the voltage measuring value at the terminal both ends of the output capacitor and the set point voltage is higher than Zero,

If it is the case, then setting first frequency value (f_ power) for the switching frequency, which is designed At running described group of switch, will pass through the LLC resonance circuit for the energy transmission stored in the output capacitor extremely The battery, and

If it is not, then setting second frequency value (f_ cut-off) for the switching frequency, which is designed to cut off Any energy transmission from the output capacitor to the battery.

3. method according to claim 2, which is characterized in that if the voltage measuring value at the terminal both ends of the output capacitor Difference between the set point voltage gets lower than zero, then by the switching as long as the difference is higher than threshold value (low _ threshold value) Set of frequency is the third frequency values (f_ is low) higher than the first frequency value (f_ power), and is got lower than in the difference The second frequency value (f_ cut-off) is set by the switching frequency when threshold value.

4. method as claimed in claim 2 or claim 3, which is characterized in that it is humorous that the first frequency value (f_ power) corresponds to the LLC The resonance frequency of vibration circuit.

5. the method as described in any one of claim 2 to 4, which is characterized in that the second frequency value (f_ cut-off) is Zero frequency.

6. the method as described in any one of preceding claims, which is characterized in that for each conversion of the switching frequency Execute Delay control.

7. equipment of the one kind for controlling the equipment (10) for charging to motor vehicle battery (20), the charging equipment packet Include provide power factor emendation function rectifier stage (11), the rectifier stage input end be connected to power supply grid and It include two DC power supply buses in output, each DC power supply bus is connected to an output capacitor (C1, C2), each defeated Capacitor is coupled to the LLC resonance converter circuit for DC to the DC converter level (12) connecting with the battery in input end out (14,16), each LLC resonance converter circuit (14,16) include one group of switch (140,160), which switchs in input end It is connected to an output capacitor (C1, C2) of rectifier stage (11) and is connected to resonance circuit (L, C) in output And the first winding of transformer (T), the second winding of the transformer link to the diode bridge linked with the battery (20) (141), the equipment is characterized in that: the equipment includes individual control module for each LLC resonance circuit, this is independently controlled Molding block includes comparison unit (50), which is designed to receive the input for being coupled in the LLC resonance converter circuit The measurement voltage (V_DC) and set point voltage (V_DC_REF) at the terminal both ends of the output capacitor at end, the control mould Block is designed to the symbol of the difference between the voltage measuring value and the set point voltage according to the terminal both ends of the output capacitor Number come the switching frequency (f_ control) for the switch being arranged in one group of switch.

8. equipment as claimed in claim 7, which is characterized in that the control module includes determining device (52), the determining device First frequency value (f_ power), the first frequency value can be set by the switching frequency in the case where the difference is higher than zero It is designed to make described group of switch to run, will pass through the energy that the LLC resonance circuit will store in the output capacitor It is transmitted to the battery；And (f_ sections of second frequency value are set by the switching frequency in the case where the difference is lower than zero Only), which is designed to cut off any energy transmission from the output capacitor to the battery.

9. equipment as claimed in claim 8, which is characterized in that when the terminal both ends of the output capacitor voltage measuring value with When difference between the set point voltage is lower than zero, the determining device (52) if can be realized the difference higher than threshold value (it is low _ Threshold value) switching frequency is just set above to the third frequency values of the first frequency value (f_ power) (f_ is low)；And energy It is enough to set the second frequency value (f_ cut-off) for the switching frequency when the difference gets lower than the threshold value.

10. a kind of electric or hybrid motor vehicles, including high-tension battery and the battery can be carried out from power supply grid The vehicle-mounted charging equipment of charging, which is characterized in that the vehicle includes the control equipment as described in any one of claim 7 to 9.