CN102931891A - Dual-drive brushless electrical machine controller - Google Patents
Dual-drive brushless electrical machine controller Download PDFInfo
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- CN102931891A CN102931891A CN2012104355583A CN201210435558A CN102931891A CN 102931891 A CN102931891 A CN 102931891A CN 2012104355583 A CN2012104355583 A CN 2012104355583A CN 201210435558 A CN201210435558 A CN 201210435558A CN 102931891 A CN102931891 A CN 102931891A
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Abstract
The invention relates to a dual-drive brushless electrical machine controller. The controller is characterized by comprising a manipulation rocker control panel and a brushless electrical machine driving control panel, wherein the manipulation rocker control panel comprises a first communication interface, the brushless electrical machine driving control panel comprises a second communication interface, and the first communication interface and the second communication interface are in circuit communication connection. The dual-drive brushless electrical machine controller has the advantages of being safe to use, high in reliability and the like.
Description
Technical field
The present invention relates to a kind of brushless motor controller, be specifically related to a kind of two brushless motor controllers that drive for electric motor car or electric wheelchair.
Background technology
Existing electric motor car, what all adopted two driving such as electric wheelchair application scenario is brush motor system (containing gear box), and the efficient of brush motor system (containing gear box) mostly is below about 50%, and because the driving control system of brush motor can be because electric current causes greatly the wearing and tearing of brush motor carbon brush afterwards easily when work, carbon brush will cause the carbon distribution of motor commutator to the long-term friction of motor commutator, thereby the operating efficiency of motor is further descended, for the carbon brush powder of clearing up wearing and tearing and the carbon distribution on the commutator, this just need to be to clearing up maintenance to brush motor, to the maintenance of follow-up brush motor also unusual trouble especially; Simultaneously, the interference that the driving control system of brush motor produces is large, noise is also large, and can produce electric spark, has potential safety hazard, reliability is low, and these situations are not allowed in the medical safety modular system; Because the electric current of the driving control system of brush motor greatly just means that power consumption is also large, so just need with more jumbo storage battery again, cause whole system to become more heavy, and use inconvenient.
Summary of the invention
The objective of the invention is: provide a kind of two brushless motor controllers that drive that safety and efficient are high, reliability is high that not only use, to overcome the deficiencies in the prior art.
In order to achieve the above object, technical scheme of the present invention is: a kind of two brushless motor controllers that drive, and its innovative point is:
A, comprise and handle the rocking bar control board and brushless electric machine drives control board;
B, described manipulation rocking bar control board comprise a CPU microprocessor, human-computer dialogue panel, the first weak mains switching circuit, the first voltage-stabilized power supply circuit and the first communication interface circuit, described human-computer dialogue panel be connected communication interface circuit and all be connected with a CPU microprocessor communication, the output of the output of human-computer dialogue panel and a CPU microprocessor is electrically connected with the input of the first weak mains switching circuit respectively, and the output of the first weak mains switching circuit is electrically connected with input and the first communication interface circuit input of the first voltage-stabilized power supply circuit respectively; A described CPU microprocessor also is electrically connected with the first voltage-stabilized power supply circuit output;
C, described brushless electric machine drives control board and comprises the 2nd CPU microprocessor, the first motor-drive circuit, the first motor-driven executive circuit, the first electrical fault is judged testing circuit, the second motor-drive circuit, the second motor-driven executive circuit, the second electrical fault is judged testing circuit, the second voltage-stabilized power supply circuit, high-current switch circuit, interface circuit charges-arranges, the second communication interface circuit and the second weak mains switching circuit, described the first motor-drive circuit, the first electrical fault is judged testing circuit, the second motor-drive circuit, the second electrical fault is judged testing circuit, the second voltage-stabilized power supply circuit, high-current switch circuit, interface circuit charges-arranges, the second communication interface circuit and the second weak mains switching circuit are electrically connected with the corresponding link of the 2nd CPU microprocessor respectively, the output of described the first motor-drive circuit is electrically connected with the input of the first motor-driven executive circuit, the output of the first motor-driven executive circuit also judges that with the first electrical fault the input of testing circuit is electrically connected, the output of described the second motor-drive circuit is electrically connected with the input of the second motor-driven executive circuit, the output of the second motor-driven executive circuit also judges that with the second electrical fault the input of testing circuit is electrically connected, the output of described the second weak mains switching circuit also is electrically connected with the corresponding link of the second communication interface circuit, and described high-current switch circuit also is electrically connected with the input of the first motor-driven executive circuit and the input of the second motor-driven executive circuit respectively;
The first communication interface circuit of d, described manipulation rocking bar control board and brushless electric machine drive the second communication interface circuit communication connection of control board.
In technique scheme, also comprise the first programmable device interface circuit, the input of a CPU microprocessor of described manipulation rocking bar control board also is electrically connected with the output of the first programmable device interface circuit.
In technique scheme, described human-computer dialogue panel comprises the supply voltage display circuit, the functional status display circuit, buzzer LS1, power supply closes button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected with buzzer LS1; Described supply voltage display circuit, functional status display circuit, power supply close button S2, function setting upwards, to knob down S1, S3, and buzzer call button S4 is electrically connected with the corresponding link of a CPU microprocessor respectively.
In technique scheme; also comprise under-voltage protecting circuit; described under-voltage protecting circuit is in series by resistance R 2 and resistance R 5; one end of described under-voltage protecting circuit is electrically connected with the input of the output of the first weak mains switching circuit and the first voltage-stabilized power supply circuit; the tie point of resistance R 2 and resistance R 5 is electrically connected with the input of a CPU microprocessor, the other end ground connection of under-voltage protecting circuit.
In technique scheme, described the first weak mains switching circuit comprises triode Q1, Q2, resistance R 25, R26, and power supply is opened button S5; The emitter of described triode Q1 is electrically connected with the first communication interface circuit input, the base stage of triode Q1 is electrically connected with the collector electrode of triode Q2 by resistance R 25, the collector electrode of triode Q1 is electrically connected with the input of the first voltage-stabilized power supply circuit, the base stage of triode Q2 is electrically connected with an end of resistance R 26, the grounded emitter of triode Q2, the other end of resistance R 26 is electrically connected with the output of a CPU microprocessor, the two ends that described power supply is opened button S5 are connected between the triode Q2 collector and emitter, and power supply is opened button S5 and is located on the human-computer dialogue panel.
In technique scheme, also comprise the second programmable device interface circuit, the output that described brushless electric machine drives the 2nd CPU microprocessor of control board is electrically connected with the input of the second programmable device interface circuit.
In technique scheme, also comprise the first motor phase testing circuit and the second motor phase testing circuit, the input that described brushless electric machine drives the 2nd CPU microprocessor of control board is electrically connected with the first motor phase testing circuit and the corresponding output of the second motor phase testing circuit respectively.
In technique scheme, also comprise series-parallel transition circuit, the output that described brushless electric machine drives the 2nd CPU microprocessor of control board is electrically connected with the input of series-parallel transition circuit.
In technique scheme, described series-parallel transition circuit comprises electromagnet L1, L2, field effect transistor Q7, Q8, Q10, diode D2, resistance R 5, R8, R11; The source electrode of described field effect transistor Q7 connects positive source, the grid of field effect transistor Q7 is electrically connected with an end of resistance R 5, the drain electrode of field effect transistor Q7 is connected with the negative electricity of diode D2, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q10, the grid of field effect transistor Q10 is electrically connected with an end of resistance R 11, the source ground of field effect transistor Q10, the source electrode of described field effect transistor Q10 and drain electrode also are parallel with the bleeder circuit that is made of resistance R 14 and R13, the grid of described field effect transistor Q8 is electrically connected the source ground of field effect transistor Q8 with an end of resistance R 8; The two ends of described electromagnet L1 are connected between the drain electrode of the drain electrode of field effect transistor Q7 and field effect transistor Q8, the end of electromagnet L2 is power positive end, and the other end of electromagnet L2 is electrically connected with the positive pole of diode D2 and the drain electrode of field effect transistor Q10 simultaneously, the other end of resistance R 5 is electrically connected with the output of the 2nd CPU microprocessor, the other end of resistance R 8 is electrically connected with the output of the 2nd CPU microprocessor, and the other end of resistance R 11 is electrically connected with the input of the 2nd CPU microprocessor.
The good effect that the present invention has is: after adopting said structure, manipulation rocking bar control board of the present invention is electrically connected with handling the corresponding link of rocking bar, and two brushless electric machines drive the corresponding link of control board with brushless electric machine respectively and are electrically connected; By handling rocking bar forward, after, left, when right different directions promotes, can produce different hall signals, and by a CPU microprocessor of handling the rocking bar control board different hall signals is taken a sample, analytical calculation, then in the mode of communication this signal is delivered to the 2nd CPU microprocessor that brushless electric machine drives control board, send the different control signals to brushless electric machine after being processed as calculated by the 2nd CPU microprocessor, and different control signals is delivered to respectively to drive drive circuit and the executive circuit of two brushless electric machines, whether move with the control brushless electric machine.The present invention can realize simultaneously the control to two brushless electric machines, again because the present invention has high-current switch circuit and weak mains switching circuit, the high voltage that storage battery can be powered, step-down becomes different low-work voltages, for each different circuit of the present invention are powered, so that height of the present invention, the low-voltage isolation, greatly, little electric current isolation, the interference that the present invention produces is little, noise is also little, and can not produce electric spark, safety, reliability is high, meet the requirement of medical safety modular system, simultaneously, power consumption is little, efficient is high, efficient reaches more than 80%, and easy to use.
Description of drawings
Fig. 1 is manipulation rocking bar control board circuit block diagram of the present invention, wherein, the 5th, handle rocking bar;
Fig. 2 is that brushless electric machine of the present invention drives the control board circuit block diagram, and wherein, 3 is first motors, and 4 is second motors;
Fig. 3 is the circuit theory diagrams of Fig. 1;
Fig. 4 is the circuit theory diagrams of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the present invention is further illustrated, but be not limited to this.
Shown in Fig. 1,2,3,4, a kind of two brushless motor controllers that drive comprise and handle rocking bar control board 1 and brushless electric machine driving control board 2; Described manipulation rocking bar control board 1 comprises a CPU microprocessor 1-1, human-computer dialogue panel 1-2, the first weak mains switching circuit 1-3, the first voltage-stabilized power supply circuit 1-4 and the first communication interface circuit 1-5, described human-computer dialogue panel 1-2 be connected communication interface circuit 1-5 and all be connected with a CPU microprocessor 1-1 communication, the output of the output of human-computer dialogue panel 1-2 and a CPU microprocessor 1-1 is electrically connected with the input of the first weak mains switching circuit 1-3 respectively, and the output of the first weak mains switching circuit 1-3 is electrically connected with input and the first communication interface circuit 1-5 input of the first voltage-stabilized power supply circuit 1-4 respectively; A described CPU microprocessor 1-1 also is electrically connected with the first voltage-stabilized power supply circuit 1-4 output; Described brushless electric machine drives control board 2 and comprises the 2nd CPU microprocessor 2-1, the first motor-drive circuit 2-2, the first motor-driven executive circuit 2-3, the first electrical fault is judged testing circuit 2-4, the second motor-drive circuit 2-5, the second motor-driven executive circuit 2-6, the second electrical fault is judged testing circuit 2-7, the second voltage-stabilized power supply circuit 2-8, high-current switch circuit 2-9, interface circuit 2-10 charges-arranges, the second communication interface circuit 2-11 and the second weak mains switching circuit 2-16, described the first motor-drive circuit 2-2, the first electrical fault is judged testing circuit 2-4, the second motor-drive circuit 2-5, the second electrical fault is judged testing circuit 2-7, the second voltage-stabilized power supply circuit 2-8, high-current switch circuit 2-9, interface circuit 2-10 charges-arranges, the second communication interface circuit 2-11 and the second weak mains switching circuit 2-16 are electrically connected with the corresponding link of the 2nd CPU microprocessor 2-1 respectively, the output of described the first motor-drive circuit 2-2 is electrically connected with the input of the first motor-driven executive circuit 2-3, the output of the first motor-driven executive circuit 2-3 also judges that with the first electrical fault the input of testing circuit 2-4 is electrically connected, the output of described the second motor-drive circuit 2-5 is electrically connected with the input of the second motor-driven executive circuit 2-6, the output of the second motor-driven executive circuit 2-6 also judges that with the second electrical fault the input of testing circuit 2-7 is electrically connected, the output of described the second weak mains switching circuit 2-16 also is electrically connected with the corresponding link of the second communication interface circuit 2-11, and described high-current switch circuit 2-9 also is electrically connected with the input of the first motor-driven executive circuit 2-3 and the input of the second motor-driven executive circuit 2-6 respectively; The first communication interface circuit 1-5 of described manipulation rocking bar control board 1 and brushless electric machine drive the second communication interface circuit 2-11 communication connection of control board 2.
The course of work of high-current switch circuit 2-9 of the present invention, only have when the 2nd CPU microprocessor 2-1 output drive motors signal, high-current switch circuit 2-9 conducting, required high-current supply when realizing motor-driven, when brushless electric machine decommissioned, high-current switch circuit 2-9 was off state.
If battery of electric power is charged, by charging of the present invention-interface circuit 2-10 is set be electrically connected with charger, to reach the purpose to the battery of electric power charging; The parameter of controller drive motors can also be set by the interface circuit 2-10 that charges-arrange certainly.
Shown in Fig. 1,3, for the ease of downloading control software, also comprise the first programmable device interface circuit 1-6, the input of a CPU microprocessor 1-1 of described manipulation rocking bar control board 1 also is electrically connected with the output of the first programmable device interface circuit 1-6.Certainly, also can directly be downloaded among the CPU microprocessor 1-1.
As shown in Figure 3, in order to know in real time the states such as current electric quantity of power supply and electric motor car travel speed, performance, class, described human-computer dialogue panel 1-2 comprises voltage display circuit 1-2-1, functional status display circuit 1-2-2, buzzer LS1, power supply closes button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected with buzzer LS1; Described voltage display circuit 1-2-1, functional status display circuit 1-2-2, power supply close button S2, function setting upwards, to knob down S1, S3, and buzzer call button S4 is electrically connected with the corresponding link of a CPU microprocessor 1-1 respectively.
Shown in Fig. 1,3, separate for high-low voltage is isolated, or say with the isolation of strong, weak electricity stream separately; Also comprise under-voltage protecting circuit 1-8; described under-voltage protecting circuit 1-8 is in series by resistance R 2 and resistance R 5; the end of described under-voltage protecting circuit 1-8 is electrically connected with the output of the first weak mains switching circuit 1-3 and the input of the first voltage-stabilized power supply circuit 1-4; the tie point of resistance R 2 and resistance R 5 is electrically connected with the input of a CPU microprocessor 1-1, the other end ground connection of under-voltage protecting circuit 1-8.
Shown in Fig. 1,3, remove to control large electric current in order to use less electric current, so just can control with contact button, described the first weak mains switching circuit 1-3 comprises triode Q1, Q2, resistance R 25, R26, and power supply is opened button S5; The emitter of described triode Q1 is electrically connected with the input of the first communication interface circuit 1-5, the base stage of triode Q1 is electrically connected with the collector electrode of triode Q2 by resistance R 25, the collector electrode of triode Q1 is electrically connected with the input of the first voltage-stabilized power supply circuit 1-4, the base stage of triode Q2 is electrically connected with an end of resistance R 26, the grounded emitter of triode Q2, the other end of resistance R 26 is electrically connected with the output of a CPU microprocessor 1-1, the two ends that described power supply is opened button S5 are connected between the triode Q2 collector and emitter, and power supply is opened button S5 and is located on the human-computer dialogue panel 1-2.
Shown in Fig. 2,4, for the ease of downloading control software, also comprise the second programmable device interface circuit 2-12, the output that described brushless electric machine drives the 2nd CPU microprocessor 2-1 of control board 2 is electrically connected with the input of the second programmable device interface circuit 2-12.Certainly, also can directly control software be downloaded to the 2nd CPU microprocessor 2-1.
Shown in Fig. 2,4, for so that reliability of the present invention is high, whether the operation that detects brushless electric machine is normal, also comprise the first motor phase testing circuit 2-13 and the second motor phase testing circuit 2-14, the input that described brushless electric machine drives the 2nd CPU microprocessor 2-1 of control board 2 is electrically connected with the first motor phase testing circuit 2-13 and the corresponding output of the second motor phase testing circuit 2-14 respectively.The first brushless electric machine 3 that is electrically connected with the present invention and the second brushless electric machine 4 current size of current judge that by corresponding the first electrical fault testing circuit 2-4 and the second electrical fault judgement testing circuit 2-7 detect respectively, if the current value that detects is in normal range (NR), then the present invention normally moves, if the current value overrun that detects, then the first electrical fault judges that the detection voltage of testing circuit 2-4 and the second electrical fault judgement testing circuit 2-7 can become large and become large along with electric current, this variation voltage transmission carries out analyzing and processing for the 2nd CPU microprocessor 2-1, with regulating and controlling the first motor-drive circuit 2-2 and the second motor-drive circuit 2-5, thereby can effectively play the effect of current limliting, improve reliability of the present invention.
Shown in Fig. 2,4, in order to realize energy-conservation purpose, first with the electromagnet high-voltage large current adhesive of two brushless electric machines in parallel, guaranteeing under the electromagnetic actuation state prerequisite, convert again series circuit to, reduce operating current, solve the large problem of power consumption, also comprise series-parallel transition circuit 2-15, the output that described brushless electric machine drives the 2nd CPU microprocessor 2-1 of control board 2 is electrically connected with the input of series-parallel transition circuit 2-15.
As shown in Figure 4, described series-parallel transition circuit 2-15 comprises electromagnet L1, L2, field effect transistor Q7, Q8, Q10, diode D2, resistance R 5, R8, R11; The source electrode of described field effect transistor Q7 connects positive source, the grid of field effect transistor Q7 is electrically connected with an end of resistance R 5, the drain electrode of field effect transistor Q7 is connected with the negative electricity of diode D2, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q10, the grid of field effect transistor Q10 is electrically connected with an end of resistance R 11, the source ground of field effect transistor Q10, the source electrode of described field effect transistor Q10 and drain electrode also are parallel with the bleeder circuit that is made of resistance R 14 and R13, the grid of described field effect transistor Q8 is electrically connected the source ground of field effect transistor Q8 with an end of resistance R 8; The two ends of described electromagnet L1 are connected between the drain electrode of the drain electrode of field effect transistor Q7 and field effect transistor Q8, the end of electromagnet L2 is power positive end, and the other end of electromagnet L2 is electrically connected with the positive pole of diode D2 and the drain electrode of field effect transistor Q10 simultaneously, the other end of resistance R 5 is electrically connected with the output of the 2nd CPU microprocessor 2-1, the other end of resistance R 8 is electrically connected with the output of the 2nd CPU microprocessor 2-1, and the other end of resistance R 11 is electrically connected with the input of the 2nd CPU microprocessor 2-1.When described series-parallel transition circuit 2-15 of the present invention used, electromagnet L1 and electromagnet L2 were provided in a side of respectively on corresponding the first motor 3 and the second motor 4; When being on the scene effect pipe Q7, Q8, the whole conducting of Q10, two simultaneously conductings of electromagnet L1, L2, at this moment, two electromagnet L1, L2 are in parallel; After two electromagnet L1, L2 conducting, this circuit is transformed into Q7, Q10 and turn-offs, Q8 continues conducting, thereby make electric current flow through conducting from positive source by L2, D2, L1, Q8, this moment, two electromagnet L1, L2 were series connection, the twice the when internal resistance of two electromagnet is parallel connection at this moment, and half when being parallel connection of each resulting voltage in electromagnet two ends, therefore, 1/4th when power consumption is original parallel connection, thus saved 75%.
It is the integrated chip of PIC18F44J10 that a CPU microprocessor 1-1 of the present invention preferentially selects model, can certainly select the integrated chip of other model; It is the integrated chip of PIC24FJ28GA006 that the 2nd CPU microprocessor 2-1 preferentially selects model, can certainly select the integrated chip of other model.
The present invention is specially adapted to and handles rocking bar and two brushless electric machines support the use; Being manipulation rocking bar control board 1 of the present invention is electrically connected with handling rocking bar 5 corresponding links, and two brushless electric machines 3,4 are electrically connected with brushless electric machine driving control board 2 corresponding links respectively.
The course of work of the present invention: during use, loop A, B, the C of the first motor 3 are electrically connected with the corresponding link of the first motor-driven executive circuit 2-3 respectively mutually, the loop A of the second motor 4, B, C are electrically connected with the corresponding link of the second motor-driven executive circuit 2-6 respectively mutually, and the first motor 3 and the second motor 4 also judge that with corresponding the first electrical fault testing circuit 2-4 and the second electrical fault judgement testing circuit 2-7 are electrically connected respectively.Judge that by the first electrical fault testing circuit 2-4 and the second electrical fault judge that testing circuit 2-7 detects respectively whether normal operation of motor load electric current in real time, a CPU microprocessor 1-1 who handles rocking bar control board 1 analyzes the rocking bar hall signal that collects, process, and the signal after will processing is delivered to the 2nd CPU microprocessor 2-1 that brushless electric machine drives control board 2, and whether certain that judged the first motor 3 and the second motor 4 by the 2nd CPU microprocessor 2-1 needs conducting mutually; Make different motion state with the second motor-driven executive circuit 2-6, driving the first motor 3 with the second motor 4 with the first motor-driven executive circuit 2-3 and the second motor-drive circuit 2-5 by corresponding the first motor-drive circuit 2-2 respectively, when the manipulation rocking bar is promoted to the front, rear, left and right different directions, can produce different hall signals, the present invention can produce different control signals, drives the first motor 3 and the second motor 4 advances, retreats, turns.
The present invention is not only low in energy consumption, and reliability is high.Compare with existing brush motor driving governor; also have the efficient height, interference is little, noise is also little; and can not produce the advantage of electric spark; protected the brushless electric machine of driven control; make whole system more meet the safety standard of medical system, make whole system be more suitable for use as medicine equipment.
Claims (9)
1. one kind pair drives brushless motor controller, it is characterized in that:
A, comprise and handle rocking bar control board (1) and brushless electric machine driving control board (2);
B, described manipulation rocking bar control board (1) comprises a CPU microprocessor (1-1), human-computer dialogue panel (1-2), the first weak mains switching circuit (1-3), the first voltage-stabilized power supply circuit (1-4) and the first communication interface circuit (1-5), described human-computer dialogue panel (1-2) be connected communication interface circuit (1-5) and all be connected with CPU microprocessor (1-1) communication, the output of the output of human-computer dialogue panel (1-2) and a CPU microprocessor (1-1) is electrically connected with the input of the first weak mains switching circuit (1-3) respectively, and the output of the first weak mains switching circuit (1-3) is electrically connected with input and the first communication interface circuit (1-5) input of the first voltage-stabilized power supply circuit (1-4) respectively; A described CPU microprocessor (1-1) also is electrically connected with the first voltage-stabilized power supply circuit (1-4) output;
C, described brushless electric machine drives control board (2) and comprises the 2nd CPU microprocessor (2-1), the first motor-drive circuit (2-2), the first motor-driven executive circuit (2-3), the first electrical fault is judged testing circuit (2-4), the second motor-drive circuit (2-5), the second motor-driven executive circuit (2-6), the second electrical fault is judged testing circuit (2-7), the second voltage-stabilized power supply circuit (2-8), high-current switch circuit (2-9), interface circuit (2-10) charges-arranges, the second communication interface circuit (2-11) and the second weak mains switching circuit (2-16), described the first motor-drive circuit (2-2), the first electrical fault is judged testing circuit (2-4), the second motor-drive circuit (2-5), the second electrical fault is judged testing circuit (2-7), the second voltage-stabilized power supply circuit (2-8), high-current switch circuit (2-9), interface circuit (2-10) charges-arranges, the second communication interface circuit (2-11) and the second weak mains switching circuit (2-16) are electrically connected with the corresponding link of the 2nd CPU microprocessor (2-1) respectively, the output of described the first motor-drive circuit (2-2) is electrically connected with the input of the first motor-driven executive circuit (2-3), the output of the first motor-driven executive circuit (2-3) also judges that with the first electrical fault the input of testing circuit (2-4) is electrically connected, the output of described the second motor-drive circuit (2-5) is electrically connected with the input of the second motor-driven executive circuit (2-6), the output of the second motor-driven executive circuit (2-6) also judges that with the second electrical fault the input of testing circuit (2-7) is electrically connected, the output of described the second weak mains switching circuit (2-16) also is electrically connected with the corresponding link of the second communication interface circuit (2-11), and described high-current switch circuit (2-9) also is electrically connected with the input of the first motor-driven executive circuit (2-3) and the input of the second motor-driven executive circuit (2-6) respectively;
First communication interface circuit (1-5) of d, described manipulation rocking bar control board (1) communicates to connect with the second communication interface circuit (2-11) that brushless electric machine drives control board (2).
2. according to claim 1 pair drives brushless motor controller, it is characterized in that: also comprise the first programmable device interface circuit (1-6), the input of a CPU microprocessor (1-1) of described manipulation rocking bar control board (1) also is electrically connected with the output of the first programmable device interface circuit (1-6).
3. according to claim 1 pair drives brushless motor controller, it is characterized in that: described human-computer dialogue panel (1-2) comprises supply voltage display circuit (1-2-1), functional status display circuit (1-2-2), buzzer LS1, power supply closes button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected with buzzer LS1; Described supply voltage display circuit (1-2-1), functional status display circuit (1-2-2), power supply closes button S2, function setting upwards, to knob down S1, S3, and buzzer call button S4 is electrically connected with the corresponding link of a CPU microprocessor (1-1) respectively.
4. according to claim 1 pair drives brushless motor controller; it is characterized in that: also comprise under-voltage protecting circuit (1-8); described under-voltage protecting circuit (1-8) is in series by resistance R 2 and resistance R 5; one end of described under-voltage protecting circuit (1-8) is electrically connected with the output of the first weak mains switching circuit (1-3) and the input of the first voltage-stabilized power supply circuit (1-4); the tie point of resistance R 2 and resistance R 5 is electrically connected with the input of a CPU microprocessor (1-1), the other end ground connection of under-voltage protecting circuit (1-8).
5. according to claim 1 pair drives brushless motor controller, and it is characterized in that: described the first weak mains switching circuit (1-3) comprises triode Q1, Q2, resistance R 25, R26, and power supply is opened button S5; The emitter of described triode Q1 is electrically connected with the input of the first communication interface circuit (1-5), the base stage of triode Q1 is electrically connected with the collector electrode of triode Q2 by resistance R 25, the collector electrode of triode Q1 is electrically connected with the input of the first voltage-stabilized power supply circuit (1-4), the base stage of triode Q2 is electrically connected with an end of resistance R 26, the grounded emitter of triode Q2, the other end of resistance R 26 is electrically connected with the output of a CPU microprocessor (1-1), the two ends that described power supply is opened button S5 are connected between the triode Q2 collector and emitter, and power supply is opened button S5 and is located on the human-computer dialogue panel (1-2).
6. according to claim 1 pair drives brushless motor controller, it is characterized in that: also comprise the second programmable device interface circuit (2-12), the output that described brushless electric machine drives the 2nd CPU microprocessor (2-1) of control board (2) is electrically connected with the input of the second programmable device interface circuit (2-12).
7. according to claim 1 pair drives brushless motor controller, it is characterized in that: also comprise the first motor phase testing circuit (2-13) and the second motor phase testing circuit (2-14), the input that described brushless electric machine drives the 2nd CPU microprocessor (2-1) of control board (2) is electrically connected with the first motor phase testing circuit (2-13) and the corresponding output of the second motor phase testing circuit (2-14) respectively.
8. according to claim 1 pair drives brushless motor controller, it is characterized in that: also comprise series-parallel transition circuit (2-15), the output that described brushless electric machine drives the 2nd CPU microprocessor (2-1) of control board (2) is electrically connected with the input of series-parallel transition circuit (2-15).
9. according to claim 8 pair drives brushless motor controller, and it is characterized in that: described series-parallel transition circuit (2-15) comprises electromagnet L1, L2, field effect transistor Q7, Q8, Q10, diode D2, resistance R 5, R8, R11; The source electrode of described field effect transistor Q7 connects positive source, the grid of field effect transistor Q7 is electrically connected with an end of resistance R 5, the drain electrode of field effect transistor Q7 is connected with the negative electricity of diode D2, the positive pole of diode D2 is electrically connected with the drain electrode of field effect transistor Q10, the grid of field effect transistor Q10 is electrically connected with an end of resistance R 11, the source ground of field effect transistor Q10, the source electrode of described field effect transistor Q10 and drain electrode also are parallel with the bleeder circuit that is made of resistance R 14 and R13, the grid of described field effect transistor Q8 is electrically connected the source ground of field effect transistor Q8 with an end of resistance R 8; The two ends of described electromagnet L1 are connected between the drain electrode of the drain electrode of field effect transistor Q7 and field effect transistor Q8, the end of electromagnet L2 is power positive end, and the other end of electromagnet L2 is electrically connected with the positive pole of diode D2 and the drain electrode of field effect transistor Q10 simultaneously, the other end of resistance R 5 is electrically connected with the output of the 2nd CPU microprocessor (2-1), the other end of resistance R 8 is electrically connected with the output of the 2nd CPU microprocessor (2-1), and the other end of resistance R 11 is electrically connected with the input of the 2nd CPU microprocessor (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210435558.3A CN102931891B (en) | 2012-11-05 | 2012-11-05 | Dual-drive brushless electrical machine controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105474025A (en) * | 2013-04-05 | 2016-04-06 | 诺丁汉大学 | Electric machine fault detection |
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| CN102931891B (en) | 2015-07-15 |
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