CN211089513U - H bridge automobile motor controller integrating charging function - Google Patents
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- CN211089513U CN211089513U CN201821774035.0U CN201821774035U CN211089513U CN 211089513 U CN211089513 U CN 211089513U CN 201821774035 U CN201821774035 U CN 201821774035U CN 211089513 U CN211089513 U CN 211089513U
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Abstract
The utility model provides an H bridge automobile motor controller integrating charging function, which comprises a motor controller, a motor phase winding, a charging interface and a communication circuit, wherein the outside of the motor controller is respectively connected with a power battery, the motor phase winding, a charging power supply and the communication circuit; the motor controller comprises a power battery, a positive pole switch, a negative pole switch and a DCDC voltage transformation module, wherein the positive pole switch and the negative pole switch are respectively connected with direct current buses at two ends of the battery, the DCDC voltage transformation module is connected with the positive pole of the battery, the direct current buses at two ends of the battery are respectively connected with two ends of an H-bridge driver, and the H-bridge driver is connected with a charging interface. The utility model discloses H bridge car machine controller of integrated function of charging: the motor phase winding does not need to be disconnected during charging, so that the structure is stable; the automobile power battery can be charged by using a single-phase alternating current power supply, a three-phase alternating current power supply or a direct current power supply; can both charge in any place that has the power, reduce the construction input to filling electric pile, reduce the influence to the electric wire netting.
Description
Technical Field
The utility model relates to an H bridge car machine controller of integrated function of charging.
Background
The electric automobile effectively reduces the exhaust emission in cities, greatly improves the riding comfort, and is widely popularized and applied in all the world. The electric automobile takes the motor as a driving part and the battery as an energy storage part, electric energy is converted into mechanical kinetic energy of automobile running, and the motor controller is an intermediary of energy conversion. The motor controller of the existing electric automobile generally adopts a three-phase bridge inverter circuit, each switching tube is reversely connected with a freewheeling diode in parallel, a battery provides a direct-current voltage source, and a central controller controls the on-off of each phase of switching tube according to the rotor position and the current state of the motor, so that the motor responds to a driving instruction sent by a vehicle controller. The three-phase windings of the motor have common points, and when any phase winding fails or an inverter bridge arm connected with the windings fails, other phase windings and the inverter bridge arm are affected.
The existing electric automobile charging all adopts external charger (fills electric pile), divide into alternating-current charging stake and direct current charging stake: the alternating current charging pile provides a stable three-phase alternating current power supply, and then the alternating current charging pile is converted into a direct current power supply by the vehicle-mounted charger to charge the battery, but the power of the vehicle-mounted charger is smaller; the direct current fills electric pile and rectifies external alternating current power supply into direct current power supply, and then charges the battery, and the automobile does not need a charger. Because the charging post has very high requirements for power and voltage levels, it is usually set up at a place designated by government or business entities. Fixed position fills electric pile and exists not enoughly: on the one hand, the electric automobile has long charging time, the shortest charging time also needs half an hour, and the waiting time is longer if queuing in a peak period. On the other hand, a large amount of electric automobile charges simultaneously and can bring harmful effects for filling near electric wire netting of electric pile. Some passenger cars are equipped with portable chargers, but need to be purchased separately.
In conclusion, the existing electric automobile has the defects of long charging time, inconvenient charging place and high cost; meanwhile, the fault-tolerant performance of the motor is low, and the voltage of a power battery is high. Utility model CN 201310741241.7 and CN201610836899 propose the motor controller of two kinds of integrated functions of charging, nevertheless need break off motor phase winding from three-phase inverter when charging at every turn, and winding contact failure can appear in frequent break-make, influences the car normal operating.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an H bridge automobile motor controller of integrated function of charging.
The utility model discloses a following technical scheme can realize.
The utility model provides an H bridge automobile motor controller with integrated charging function; including machine controller, motor phase winding, the interface that charges, communication circuit, power battery, motor phase winding, charging source, communication circuit are connected respectively to the machine controller outside, machine controller includes power battery, and the direct current generating line at battery both ends is connected positive, negative pole switch and is connected at anodal DCDC vary voltage module of battery respectively, and the direct current generating line at battery both ends is connected with the both ends of H bridge driver respectively, and H bridge driver is connected with the interface that charges.
The H-bridge driver is a multi-phase winding and corresponds to the number of the motor windings respectively.
The H-bridge driver is formed by connecting four switching tubes in series in pairs and then in parallel, and each switching tube is connected with a freewheeling diode in an anti-parallel mode.
Two terminals of each phase winding of the motor are led out, and a common point does not exist between the phase windings.
And two ends of each phase of winding of the motor are respectively connected into an independent H-bridge driver.
And a pre-charging resistor is connected between the positive and negative electrode switches and the H-bridge driver.
The motor windings are three-phase and correspond to three H-bridge drivers.
The three-phase winding electrifying mode is as follows:
unidirectional-single-phase conduction three states;
the one-way-single-phase and two-phase are conducted in turn in six states;
the unidirectional-two phases are conducted in turn to form three states;
bidirectional-single-phase conduction three-phase six-state;
twelve states of bidirectional-single-phase and two-phase alternate conduction;
bidirectional-two-phase conduction three-phase six-state;
twelve states of bidirectional-two-phase and three-phase alternate conduction;
and the bidirectional-three-phase conduction is in six states.
And a bus capacitor is connected between the direct current buses at the two ends of the battery.
The beneficial effects of the utility model reside in that: h bridge automobile motor controller of integrated function of charging: the motor phase winding does not need to be disconnected during charging, so that the structure is stable; the automobile power battery can be charged by using a single-phase alternating current power supply, a three-phase alternating current power supply or a direct current power supply; can both charge in any place that has the power, reduce the construction input to filling electric pile, reduce the influence to the electric wire netting.
The H bridge automobile motor controller integrating the charging function has many performance advantages by adopting an H bridge driver to control a motor: the motor phase windings are mutually independent and are connected with respective H-bridge drivers, the fault of a certain phase winding cannot influence other phase windings, and the fault tolerance of the whole motor controller is improved; each phase of winding is independently controlled, the conduction mode of the winding is various, and the conduction of the winding can be adjusted according to different conditions; the voltage of a bus required by the motor controller can be reduced, the voltage resistance of the switching tube is reduced, and although the number of devices for the H-bridge driver is increased, the overall cost is not increased; the H-bridge driver is connected with a motor phase winding, so that voltage and current waveforms of the phase winding can be conveniently detected, and the control of the motor without a position sensor is realized; the H-bridge automobile motor controller can realize large starting torque and wide speed regulation range of the motor.
Drawings
FIG. 1: the utility model discloses H bridge car machine controller's of integrated function of charging structure map
FIG. 2: the utility model discloses a structure diagram of an H-bridge automobile motor controller integrated with a charging function when working in driving a three-phase motor;
FIG. 3: the utility model discloses the winding conduction phase sequence diagram of the H bridge automobile motor controller integrated with the charging function when working in driving a three-phase motor;
FIG. 4: the utility model discloses armature magnetomotive force vector diagram of an H bridge automobile motor controller integrated with a charging function when the H bridge automobile motor controller works for driving a three-phase motor;
FIG. 5: the utility model discloses a procedure flow chart of an H bridge automobile motor controller integrated with a charging function during charging;
FIG. 6: the utility model discloses a structure diagram of an H bridge automobile motor controller integrated with a charging function when a three-phase alternating current power supply is adopted for charging;
FIG. 7: the utility model discloses H bridge car machine controller of integrated function of charging the structure picture when adopting single phase AC power supply to charge.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
An H bridge automobile motor controller integrating a charging function; including machine controller, motor phase winding, the interface that charges, communication circuit, power battery, motor phase winding, charging source, communication circuit are connected respectively to the machine controller outside, machine controller includes power battery, and the direct current generating line at battery both ends is connected positive, negative pole switch and is connected at anodal DCDC vary voltage module of battery respectively, and the direct current generating line at battery both ends is connected with the both ends of H bridge driver respectively, and H bridge driver is connected with the interface that charges.
The H-bridge driver is a multi-phase winding and corresponds to the number of the motor windings respectively.
The H-bridge driver is formed by connecting four switching tubes in series in pairs and then in parallel, and each switching tube is connected with a freewheeling diode in an anti-parallel mode.
Two terminals of each phase winding of the motor are led out, and a common point does not exist between the phase windings. The motor phase winding adopts an independent structure, and two wiring ends of each phase winding are led out; the windings of the phases of the motor have no common point, namely the winding connection method does not adopt the traditional star connection or delta connection mode. The motor can be an asynchronous motor, a switched reluctance motor, a synchronous motor and a brushless direct current motor. And two ends of each phase of winding of the motor are respectively connected into an independent H-bridge driver. Two ends of each phase of winding of the motor are connected into an independent H-bridge driver, the number of the H-bridge drivers is equal to the number of phases of the winding of the motor, and all the windings are connected into the H-bridge drivers in the same direction. Dead time exists between the upper and lower switching tubes of the H-bridge, so that positive and negative short circuits of the direct-current power supply are prevented.
And a pre-charging resistor is connected between the positive and negative electrode switches and the H-bridge driver. The positive switch and the negative switch of the direct-current power supply bus are switches for connecting the H-bridge driver to the power battery, and the structure comprises a pre-charging circuit (pre-charging resistor) in order to reduce the current impact of the power battery to the H-bridge driver.
The motor windings are three-phase and correspond to three H-bridge drivers.
The three-phase winding electrifying mode is as follows:
unidirectional-single-phase conduction three states;
the one-way-single-phase and two-phase are conducted in turn in six states;
the unidirectional-two phases are conducted in turn to form three states;
bidirectional-single-phase conduction three-phase six-state;
twelve states of bidirectional-single-phase and two-phase alternate conduction;
bidirectional-two-phase conduction three-phase six-state;
twelve states of bidirectional-two-phase and three-phase alternate conduction;
and the bidirectional-three-phase conduction is in six states.
And a bus capacitor is connected between the direct current buses at the two ends of the battery.
The central controller operates the positive pole switch and the negative pole positive pole switch to complete the power-on and power-off processes of the whole system, detects the position state of the motor rotor, controls each H-bridge driver to realize motor driving in the forward/reverse direction, and operates the DCDC switch and the charging interface circuit to complete the charging function. And the voltage and current states of each H-bridge driver, each DCDC voltage transformation module and each charging interface circuit are monitored in real time, the normal operation of the whole motor controller is protected, and the motor controller is communicated with an external device.
The input of the charging interface circuit is connected with an external power supply and can be connected with a single-phase alternating current power supply or a three-phase alternating current power supply. And the output end of the charging interface circuit is connected to the winding wiring end on one side of each H-bridge driver. When the motor runs, the whole charging interface circuit is in a disconnected state; the charging interface circuit can be switched on only when the motor is in a stop state. During charging, only one side of each H-bridge driver is in work, the other bridge arm is out of work, only one end of the motor phase winding is connected with a power supply, and a current loop cannot be formed. Two single-arm circuits form a single-phase full-bridge controllable rectifier bridge circuit, and three single-arm circuits form a three-phase full-bridge controllable rectifier bridge circuit.
The DCDC voltage transformation module is connected to the positive pole of the bus when charging, and the output voltage value is adjusted to charge the power battery according to the output voltage of the full-bridge controllable rectifier bridge circuit. The power battery is also provided with a direct current charging interface, and when the direct current charging pile is convenient to charge, the power battery can be directly connected to the direct current charging pile.
The utility model provides an integrated H bridge car machine controller who charges function to realize charging convenience, the reliable, the excellent purpose of motor control performance of structure.
The utility model discloses H bridge car machine controller of integrated function of charging can the driving motor operation, charge for power battery, realizes through following technical scheme:
firstly, the H bridge automobile motor controller integrated with the charging function works to drive a multi-phase motor to operate, and is characterized in that:
this motor controller do not adopt three-phase contravariant bridge structure, but form by a plurality of H bridge drivers are parallelly connected. The multiple phase windings (which may be one phase, two phases, three phases or multiple phases, usually three phases) of the motor are not connected to each other, there is no common point between the phase windings, and both ends of each phase winding are connected to an H-bridge driver of the motor controller. Each H-bridge driver is formed by connecting four switching tubes in series in pairs and then in parallel, and each switching tube is connected with a fly-wheel diode in anti-parallel. The H-bridge driver is connected to a direct-current power supply bus, and the direct-current power supply bus is connected to a power battery.
The utility model discloses H bridge car motor controller of integrated function of charging has realized the voltage current individual control to every phase winding of motor, and the motor can be just reversing or generate electricity; the windings of the phases of the motor are isolated from each other, and when any phase winding of the motor fails or an inverter bridge arm connected with the windings fails, other phase windings and the corresponding H-bridge driver are not affected.
The rotor position and current state of the motor of the central controller control the forward/reverse direction of each H-bridge driver, so that each phase winding of the motor is electrified and deenergized according to a certain rule, and the air gap magnetic field of the motor rotates to drive the rotor of the motor to move. The motor can be an asynchronous motor, a switched reluctance motor, a synchronous motor, a brushless direct current motor, but is not limited to these motors.
In particular, when the H-bridge automobile motor controller with integrated charging function drives a three-phase motor, in a power-on period, the following eight common conduction modes can be provided:
a) unidirectional-single-phase conduction three states: each state has only one phase winding energized, each phase winding being conducted with the back-emf positive or both being conducted with the back-emf negative;
b) the method comprises six states of one-way-single-phase and two-phase alternate conduction: according to a mode of alternately electrifying one phase and two phases, each phase of winding is conducted under the condition that the counter potential is positive or is conducted under the condition that the counter potential is negative;
c) the one-way and two-phase are conducted in turn in six states: each state has a two-phase alternating-current mode, and each phase of winding is conducted under the condition that the counter potential is positive or conducted under the condition that the counter potential is negative;
d) bidirectional-single-phase conduction three-phase six-state: each state is only electrified by one phase of winding, and each phase of winding is electrified in the positive and negative directions;
e) bidirectional-two-phase conduction three-phase six-state: two-phase windings are electrified in each state, and each phase of windings are electrified in two directions;
f) twelve states of bidirectional-single-phase and two-phase alternate conduction are as follows: according to a mode of alternately electrifying one phase and two phases, each phase of winding is electrified in two directions;
g) two-way-two-phase and three-phase alternate conduction three-phase twelve states: according to a mode of alternately electrifying two phases and three phases, each phase of winding is electrified in two directions;
h) and the bidirectional-three-phase conduction is carried out in six states, wherein each state is provided with a three-phase winding which is electrified, and each phase of winding is electrified in a bidirectional way.
At the moment, the H-bridge automobile motor controller with the integrated charging function can work in a certain conduction mode all the time, and the conduction mode can be changed according to the working condition.
Secondly, H bridge vehicle motor controller work of integrated function of charging requires the motor must stall its characterized in that at charged state:
the input of a charging interface circuit of the H-bridge automobile motor controller integrated with the charging function is connected to an external alternating-current power supply (a single-phase or three-phase alternating-current power supply), and the central controller switches the output of the charging interface circuit on a winding terminal on one side of a corresponding H-bridge driver according to the type of the external power supply. When the single-phase alternating current is accessed, the charging interface circuit is output to the single arms of the two H-bridge drivers, and the two single-arm circuits form a single-phase full-bridge controllable rectifier bridge circuit; when three-phase alternating current is accessed, the output of the charging interface circuit is connected to the single arms of the three H-bridge drivers, and the three single-arm circuits form a three-phase full-bridge controllable rectifier bridge circuit. When the motor runs, the central controller cuts off the charging interface circuit; the charging interface circuit can be switched on only when the motor is in a stop state. During charging, only one side of each H-bridge driver is in work, the other bridge arm is out of work, only one end of the motor phase winding is connected with a power supply, and a current loop cannot be formed.
When charging, the central controller switches off the anode switch and switches on the DCDC switch, and the DCDC transformation module is connected between the anode of the power battery and the full-bridge controllable rectifier bridge circuit. The DCDC transformation module may control the charging voltage and current: when the output voltage of the single-phase full-bridge controllable rectifier bridge circuit is low, the output voltage value is raised by the DCDC voltage transformation module; when the output voltage of the three-phase full-bridge controllable rectifier bridge circuit is higher, the output voltage value is reduced by the DCDC voltage transformation module. When the power battery is quickly charged to saturation, the charging current is reduced.
Example (b): h bridge automobile motor controller of integrated function of charging includes: the H bridge driver (usually three-phase) of heterogeneous winding, direct current power supply bus, positive switch (or called relay, the same below), negative switch, DCDC vary voltage module, DCDC switch, direct current bus electric capacity, the interface circuit that charges, central processing unit.
The H-bridge automobile motor controller integrated with the charging function works in a state of driving a motor, the central controller is connected with the positive switch and the negative switch, the DCDC switch and the charging interface circuit are disconnected, power is supplied to each H-bridge driver of the power battery, and each H-bridge driver is connected to one phase of winding of the motor. The motor has no common point between the phase windings, and two terminals of each phase winding are led out and connected to an H-bridge driver, so that the voltage and the current of the phase windings can be controlled independently. The motor can be an asynchronous motor, a switched reluctance motor, a synchronous motor, a brushless direct current motor, but is not limited to these motors.
The motor driving function of the utility model will be described below by taking an example of an H-bridge automobile motor controller driving a three-phase brushless dc motor with integrated charging function, as shown in fig. 2. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Three H bridge drivers of the H bridge automobile motor controller integrated with the charging function are connected to a three-phase winding of the brushless direct current motor, each H bridge driver is formed by connecting four switching tubes in series in pairs and then in parallel, and each switching tube is connected with a fly-wheel diode in an anti-parallel mode.
The central controller detects the position and current state of the motor rotor, controls the forward/reverse directions of each H-bridge driver, and enables each phase winding of the motor to be electrified and powered off according to a certain rule, so that the air gap magnetic field of the motor rotates to drive the motor rotor to move. In one power-on period, the following eight common conduction modes can be provided, as shown in fig. 3, the H-bridge automobile motor controller integrated with the charging function can work in a certain conduction mode all the time, and the conduction mode can also be changed according to the working condition.
a) Unidirectional-single-phase conduction three states: each state has only one phase winding energized, each phase winding being conducted with the back-emf positive or both being conducted with the back-emf negative;
b) the method comprises six states of one-way-single-phase and two-phase alternate conduction: according to a mode of alternately electrifying one phase and two phases, each phase of winding is conducted under the condition that the counter potential is positive or is conducted under the condition that the counter potential is negative;
c) the one-way and two-phase are conducted in turn in six states: each state has a two-phase alternating-current mode, and each phase of winding is conducted under the condition that the counter potential is positive or conducted under the condition that the counter potential is negative;
d) bidirectional-single-phase conduction three-phase six-state: each state is only electrified by one phase of winding, and each phase of winding is electrified in the positive and negative directions;
e) bidirectional-two-phase conduction three-phase six-state: two-phase windings are electrified in each state, and each phase of windings are electrified in two directions;
f) twelve states of bidirectional-single-phase and two-phase alternate conduction are as follows: according to a mode of alternately electrifying one phase and two phases, each phase of winding is electrified in two directions;
g) two-way-two-phase and three-phase alternate conduction three-phase twelve states: according to a mode of alternately electrifying two phases and three phases, each phase of winding is electrified in two directions;
h) and the bidirectional-three-phase conduction is carried out in six states, wherein each state is provided with a three-phase winding which is electrified, and each phase of winding is electrified in a bidirectional way.
The H-bridge automobile motor controller integrated with the charging function controls each phase winding independently, and the phase windings have three states of forward conduction, turn-off and reverse conduction. At any time during operation of the motor, the three-phase winding may be one-phase conducting, two-phase conducting, or three-phase conducting. The armature magnetomotive force that may be generated by a three-phase winding is shown in FIG. 4, FA、FB、FCThe magnetomotive force when the windings of each phase are conducted in the positive direction,
the magnetomotive force is the magnetomotive force when each phase winding is conducted reversely;
the composite magnetomotive force is generated when the two-phase windings are conducted, wherein one phase winding is conducted in the forward direction, and the other phase winding is conducted in the reverse direction;
synthetic magnetic power when three-phase winding is conductedPotential, one phase of winding is conducted in the forward direction, and the other two phases of windings are conducted in the reverse direction; or one phase of winding is conducted in the reverse direction, and the other two phases of windings are conducted in the forward direction.
The principle of the motor controller driving the three-phase brushless dc motor to operate in the bidirectional-two-phase conduction three-phase six-state energization mode will now be described with reference to fig. 2 and 3 (f).
Referring to fig. 3(f), the two-phase six-state energization mode of the open-winding three-phase brushless dc motor: each phase winding has 3 states of positive and negative direction power-on and power-off, any one state has two phase windings conducted, and one phase is conducted in positive direction and the other phase is conducted in reverse direction, following that
Conducting phase,
Conducting phase,
Conducting phase,
Conducting phase,
Conducting phase,
Conducting phase,
Conducting phase … … (
Representing a mode in which phase a is in positive conduction, phase B is in negative conduction, and the phase not labeled is in off state) cyclically turns on, there are six magnetic states in one conduction period:
each magnetic state corresponds to 60 electrical degrees.
The motor rotates 360 degrees in an electrifying period, and when the motor rotates 60 degrees, the electrifying logic of the three-phase winding changes once, and the magnetic state of the stator changes once. Each state has two phase windings conducted, each phase winding is conducted under the condition that the counter potential is positive, or is conducted under the condition that the counter potential is negative; the time of flowing current in each phase winding is equivalent to the rotation of the rotor by 120 degrees of electrical angle, the conduction angle of each switching tube is 120 degrees, so that the phase windings of the motor are controlled to work in a certain sequence, a rotating magnetic field is generated in the air gap of the motor, and the motor rotates.
The H-bridge automobile motor controller integrating the charging function works in a charging state, at the moment, the motor must stop rotating, the central controller disconnects the positive switch and connects the negative switch, the DCDC switch and the charging interface circuit.
As shown in fig. 6, the H-bridge automobile motor controller integrated with the charging function charges the power battery through the three-phase ac power supply: the input of the charging interface circuit is connected to a three-phase alternating current power supply, the output end of the charging interface circuit is connected to the single-side winding wiring ends of the three H-bridge drivers, the central controller controls each H-bridge driver to work only through a single-side bridge arm, the other bridge arm does not work, only one end of the motor phase winding is connected to the power supply, and a current loop cannot be formed. And a three-phase alternating current power supply is connected to the single-arm circuits of the three H-bridge drivers, and the three single-arm circuits form a three-phase full-bridge controllable rectifier bridge circuit.
The DCDC voltage transformation module is connected to the positive electrode of the bus when charging, and the output voltage is adjusted to charge the power battery according to the output voltage of the three-phase full-bridge controllable rectifier bridge. When the output voltage of the three-phase full-bridge controllable rectifier bridge circuit is low, the output voltage value is raised by the DCDC voltage transformation module; when the output voltage of the three-phase full-bridge controllable rectifier bridge circuit is high, the output voltage value is reduced by the DCDC voltage transformation module.
Similarly, the H-bridge automobile motor controller integrating the charging function charges the power battery through the single-phase alternating-current power supply, as shown in fig. 7, the input of the charging interface circuit is connected with the single-phase alternating-current power supply, the output end of the charging interface circuit is connected to the winding wiring ends of the single sides of the two H-bridge drivers, the two single-arm circuits form a single-phase full-bridge controllable rectifier bridge circuit, and the DCDC transformation module adjusts the output voltage to charge the power battery.
Claims (8)
1. The utility model provides an integrated H bridge automobile motor controller that charges function which characterized in that: including machine controller, motor phase winding, the interface that charges, communication circuit, power battery, motor phase winding, charging source, communication circuit are connected respectively to the machine controller outside, machine controller includes power battery, and the direct current generating line at battery both ends is connected positive, negative pole switch and is connected at anodal DCDC vary voltage module of battery respectively, and the direct current generating line at battery both ends is connected with the both ends of H bridge driver respectively, and the H bridge driver is connected with the interface that charges, still be connected with the pre-charge resistance between positive negative pole switch and the H bridge driver.
2. The H-bridge automotive motor controller with integrated charging function of claim 1, characterized in that: the H-bridge driver is a multi-phase winding and corresponds to the number of the motor windings respectively.
3. The H-bridge automotive motor controller with integrated charging function of claim 1, characterized in that: the H-bridge driver is formed by connecting four switching tubes in series in pairs and then in parallel, and each switching tube is connected with a freewheeling diode in an anti-parallel mode.
4. The H-bridge automotive motor controller with integrated charging function of claim 1, characterized in that: two terminals of each phase winding of the motor are led out, and a common point does not exist between the phase windings.
5. The H-bridge automotive motor controller with integrated charging function of claim 1, characterized in that: and two ends of each phase of winding of the motor are respectively connected into an independent H-bridge driver.
6. The H-bridge automotive motor controller integrated with charging function according to claim 2, characterized in that: the motor windings are three-phase and correspond to three H-bridge drivers.
7. The H-bridge automotive motor controller with integrated charging function of claim 6, characterized in that: the three-phase winding electrifying mode is as follows:
a) unidirectional-single-phase conduction three states;
b) the one-way-single-phase and two-phase are conducted in turn in six states;
c) the unidirectional-two phases are conducted in turn to form three states;
d) bidirectional-single-phase conduction three-phase six-state;
e) twelve states of bidirectional-single-phase and two-phase alternate conduction;
f) bidirectional-two-phase conduction three-phase six-state;
g) twelve states of bidirectional-two-phase and three-phase alternate conduction;
h) and the bidirectional-three-phase conduction is in six states.
8. The H-bridge automotive motor controller with integrated charging function of claim 1, characterized in that: and a bus capacitor is connected between the direct current buses at the two ends of the battery.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167551A (en) * | 2018-10-30 | 2019-01-08 | 贵州航天林泉电机有限公司 | A kind of H bridge automotive motor controller of integrated charge function |
| CN114572061A (en) * | 2022-03-17 | 2022-06-03 | 上海小至科技有限公司 | Vehicle motor system with battery preheating function and control method |
-
2018
- 2018-10-30 CN CN201821774035.0U patent/CN211089513U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167551A (en) * | 2018-10-30 | 2019-01-08 | 贵州航天林泉电机有限公司 | A kind of H bridge automotive motor controller of integrated charge function |
| CN114572061A (en) * | 2022-03-17 | 2022-06-03 | 上海小至科技有限公司 | Vehicle motor system with battery preheating function and control method |
| CN114572061B (en) * | 2022-03-17 | 2023-06-02 | 上海小至科技有限公司 | Vehicle motor system with battery preheating function and control method |
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