CN202933125U - Manipulation rocker control device of dual-drive brushless electric machine - Google Patents

Abstract

The utility model relates to a manipulation rocker control device of a dual-drive brushless electric machine. The manipulation rocker control device of the dual-drive brushless electric machine comprises a man-machine conversation panel and a communication interface circuit, wherein both the man-machine conversation panel and the communication interface circuit are in communication connection with a central processing unit (CPU) microprocessor. The output end of the man-machine conversation panel and the output end of the CPU microprocessor are connected with a corresponding input end of a weak power supply switch circuit in an electric mode. The output end of the weak power supply switch circuit is connected with the input end of a stabilized voltage supply circuit and the corresponding connection end of the communication interface circuit in an electric mode, the stabilized voltage supply circuit is further connected with the CPU microprocessor in an electric mode. The input end of a low-voltage protection circuit and the input end of the stabilized voltage supply circuit are connected with the input end of the CPU microprocessor in an electric mode. The manipulation rocker control device of the dual-drive brushless electric machine can be used by being matched with a driving control system of the dual-drive brushless electric machine and has the advantages of being small in size, low in energy consumption, safe in operation, convenient to maintain and replace, and the like.

Description

The manipulation rocking bar control device of two driving brushless electric machines

Technical field

This utility model is specifically related to the manipulation rocking bar control device of a kind of pair of driving brushless electric machine.

Background technology

Existing two the driving handled the control system that rocking rod controller has comprised the electric magnet that can control two brush motors and can brake these two brush motors.The major function of this control system is to control two brush motor systems.And the control mode of brushless control system is diverse with the brush system is arranged, and what have that the brush system adopts is the type of drive of single-phase H bridge-type; What brushless system adopted is the control mode of three-phase six state bridge-types, and the drive efficiency of three-phase will be higher than the mode of single-phase driving; The brush system is arranged due to the existence that carbon brush is arranged, motor is when operation, can produce spark between carbon brush and motor commutator, thereby brush motor can not use in the occasion that does not allow spark, and in addition, the spark during operation can make the commutator of motor produce carbon distribution, thereby the efficient of motor is further reduced, for motor can normally be moved, must clear up carbon distribution and the dirt thereof of motor, this is the something that bothers very much; Brushless electric machine does not need to carry out above-mentioned work due to non-carbonate.

Summary of the invention

The purpose of this utility model is: a kind of and two match manipulation rocking bar control device of two driving brushless electric machines of using of Brushless Motors Drive System that drives is provided, and not only small and exquisite, low-power consumption, and handling safety is to overcome the deficiencies in the prior art.

in order to achieve the above object, the technical solution of the utility model is: the manipulation rocking bar control device of a kind of pair of driving brushless electric machine, comprise the CPU microprocessor, human computer conversation's panel, the weak mains on-off circuit, voltage-stabilized power supply circuit, under-voltage protecting circuit and communication interface circuit, described human computer conversation's panel and communication interface circuit all are connected with the CPU microprocessor communication, the outfan of the outfan of human computer conversation's panel and CPU microprocessor is electrically connected to the corresponding input of weak mains on-off circuit respectively, the outfan of weak mains switch is electrically connected to input and the corresponding link of communication interface circuit of voltage-stabilized power supply circuit respectively, described voltage-stabilized power supply circuit also is electrically connected to the CPU microprocessor, the input of described under-voltage protecting circuit is electrically connected to the outfan of weak mains on-off circuit, and the outfan of under-voltage protecting circuit is electrically connected to the input of the input of voltage-stabilized power supply circuit and CPU microprocessor, described human computer conversation's panel comprises voltage display circuit, the Fumction display circuit, buzzer LS1, power supply close button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected to buzzer LS1, described 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 to the corresponding link of CPU microprocessor respectively.

In technique scheme, also comprise the programmable device interface circuit, the input of described CPU microprocessor also is electrically connected to the outfan of programmable device interface circuit.

In technique scheme, described weak mains on-off circuit comprises audion Q1, Q2, resistance R 25, R26, and power supply is opened button S5; The emitter stage of described audion Q1 is electrically connected to the input of communication interface circuit, the base stage of audion Q1 is electrically connected to the colelctor electrode of audion Q2 by resistance R 25, the colelctor electrode of audion Q1 is electrically connected to the input of voltage-stabilized power supply circuit, the base stage of audion Q2 is electrically connected to an end of resistance R 26, the other end of resistance R 26 is electrically connected to the outfan of CPU microprocessor, the grounded emitter of audion Q2, the two ends that described power supply is opened button S5 are connected between the collector and emitter of audion Q2, and power supply is opened button S5 and is located on human computer conversation's panel.

The good effect that this utility model has is: after adopting said structure, this utility model is electrically connected to manipulation rocking bar and two corresponding links of Brushless Motors Drive System that drive respectively, control the weak mains on-off circuit by human computer conversation's panel, and connect the light current power supply, make the CPU microprocessor obtain normal working power, and command the high-power part that drives brushless electric machine by communication interface circuit, make Brushless Motors Drive System obtain the large electric current of work, reached high-low voltage isolation purpose separately.And this utility model compares with existing manipulation rocking rod controller, both small and exquisite, low-power consumption, and handling safety, also for ease of maintenaince replace again.It is little that this utility model also has a volume, the advantage such as lightweight.

Description of drawings

Fig. 1 is circuit block diagram of the present utility model, and wherein, 9 for handling rocking bar;

Fig. 2 is the circuit theory diagrams of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing and the embodiment that provides, this utility model is further described, but is not limited to this.

as Fig. 1, shown in 2, the manipulation rocking bar control device of a kind of pair of driving brushless electric machine, comprise CPU microprocessor 1, human computer conversation's panel 2, weak mains on-off circuit 3, regulated power supply 4, under-voltage protecting circuit 8 and communication interface circuit 5, described human computer conversation's panel 2 and communication interface circuit 5 all communicate to connect with CPU microprocessor 1, the outfan of the outfan of human computer conversation's panel 2 and CPU microprocessor 1 is electrically connected to the corresponding input of weak mains on-off circuit 3 respectively, the outfan of weak mains on-off circuit 3 is electrically connected to input and the corresponding link of communication interface circuit 5 of voltage-stabilized power supply circuit 4 respectively, described voltage-stabilized power supply circuit 4 also is electrically connected to CPU microprocessor 1, the input of described under-voltage protecting circuit 8 is electrically connected to the outfan of weak mains on-off circuit 3, and the outfan of under-voltage protecting circuit 8 is electrically connected to the input of voltage-stabilized power supply circuit 4 and the input of CPU microprocessor 1, described human computer conversation's panel 2 comprises voltage display circuit 2-1, Fumction display circuit 2-2, buzzer LS1, power supply close button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected to buzzer LS1, described voltage display circuit 2-1, functional status display circuit 2-2, power supply close button S2, function setting upwards, to knob down S1, S3, and buzzer call button S4 is electrically connected to the corresponding link of CPU microprocessor 1 respectively.

As shown in Figure 1, for the ease of downloading control software, also comprise programmable device interface circuit 6, the input of described CPU microprocessor 1 also is electrically connected to the outfan of programmable device interface 6.Certainly, controlling software also can directly be downloaded in CPU microprocessor 1.

As shown in Figure 2, this utility model can be known in real time by human computer conversation's panel 2 states such as current electric quantity of power supply and electric motor car travel speed, performance, class, if undertension or when breaking down, buzzer LS1 can and alarm.

As shown in Figure 1, 2, separate for high-low voltage is isolated, or say with the isolation of strong, weak electricity stream separately; Under-voltage protecting circuit 8 described in the utility model is in series by resistance R 2 and resistance R 5; one end of described under-voltage protecting circuit 8 is electrically connected to the input of the outfan of weak mains on-off circuit 3 and voltage-stabilized power supply circuit 4; the junction point of resistance R 2 and resistance R 5 is electrically connected to the input of CPU microprocessor 1, the other end ground connection of under-voltage protecting circuit 8.

As shown in Figure 1, 2, remove to control large electric current in order to use less electric current, so just can control with contact button, described weak mains on-off circuit 3 comprises audion Q1, Q2, resistance R 25, R26, and power supply is opened button S5; The emitter stage of described audion Q1 is electrically connected to the input of communication interface 5, the base stage of audion Q1 is electrically connected to the colelctor electrode of audion Q2 by resistance R 25, the colelctor electrode of audion Q1 is electrically connected to the input of regulated power supply 4, the base stage of audion Q2 is electrically connected to an end of resistance R 26, the grounded emitter of audion Q2, the other end of resistance R 26 is electrically connected to the outfan of CPU microprocessor 1, the two ends that described power supply is opened button S5 are connected between the collector and emitter of audion Q2, and power supply is opened button S5 and is located on human computer conversation's panel 2.

It is the integrated chip of PIC18F44J10 that CPU microprocessor 1 of the present utility model is preferentially selected model, can certainly select the integrated chip of other model.

This utility model work process: during use, the included Hall element circuit of manipulation rocking bar that is contained on electric wheelchair is electrically connected to CPU microprocessor 1 input, and communication interface circuit 5 is electrically connected to the corresponding link of driving control system of two driving brushless electric machines.When handling rocking bar to different directions rotation different angles, Hall circuit can be exported corresponding different analogue signal to CPU microprocessor 1, and carry out this analogue signal of Treatment Analysis by CPU microprocessor 1, and convert thereof into corresponding digital signal, then the digital signal after changing is by communication interface circuit 5 outputs, deliver in the driving control system of brushless electric machine, make different control after comprehensive calculation process.For example, when the manipulation rocking bar is pushed ahead, Hall circuit is exported certain analogue signal to CPU microprocessor 1, be digital signal by CPU microprocessor 1 with this analog signal conversion, and carry out analyzing and processing, then carry out integrated treatment, computing by communication interface circuit 5 communication to the driving control system of brushless electric machine, two brushless electric machines are rotated forward simultaneously.Because the voltage of electric wheelchair battery of electric power is 24V, running voltage of the present utility model is 24V namely, when the button in weak mains on-off circuit 3 was opened S5 by when upper, the audion Q1 conducting of weak mains on-off circuit 3, voltage-stabilized power supply circuit 4 gets electric, CPU microprocessor 1 and human computer conversation's panel 2 get electric simultaneously, as shown in Figure 2, this utility model is shown the height of accumulator electric-quantity by the speed of light emitting diode D3-D7 difference display speed in Fumction display circuit 2-2 by the light emitting diode D8-D14 in voltage display circuit 2-1; Human computer conversation's panel 2 in the function setting button S1 that makes progress be that parameters " increases progressively " (UP) button, often by once, class will improve one grade; Function setting is parameters (DOWN) button that " successively decreases " to knob down S3, and often by once, class will reduce by one grade; S2 is that power supply closes button, and when clicking this button, this utility model is with power cutoff; The S4 button is the buzzer call button, and when pressing S4, buzzer LS1 pipes.

Claims (3)

1. the manipulation rocking bar control device of two driving brushless electric machines, it is characterized in that: comprise CPU microprocessor (1), human computer conversation's panel (2), weak mains on-off circuit (3), voltage-stabilized power supply circuit (4), under-voltage protecting circuit (8) and communication interface circuit (5), described human computer conversation's panel (2) and communication interface circuit (5) all communicate to connect with CPU microprocessor (1), the outfan of the outfan of human computer conversation's panel (2) and CPU microprocessor (1) is electrically connected to the corresponding input of weak mains on-off circuit (3) respectively, the outfan of weak mains on-off circuit (3) is electrically connected to input and the corresponding link of communication interface circuit (5) of voltage-stabilized power supply circuit (4) respectively, described voltage-stabilized power supply circuit (4) also is electrically connected to CPU microprocessor (1), the input of described under-voltage protecting circuit (8) is electrically connected to the outfan of weak mains on-off circuit (3), and the outfan of under-voltage protecting circuit (8) is electrically connected to the input of voltage-stabilized power supply circuit (4) and the input of CPU microprocessor (1), described human computer conversation's panel (2) comprises voltage display circuit (2-1), Fumction display circuit (2-2), buzzer LS1, power supply close button S2, function setting upwards, to knob down S1, S3, and the buzzer call button S4 that is electrically connected to buzzer LS1, described voltage display circuit (2-1), functional status display circuit (2-2), power supply close button S2, function setting upwards, to knob down S1, S3, and buzzer call button S4 is electrically connected to the corresponding link of CPU microprocessor (1) respectively.

2. the manipulation rocking bar control device of according to claim 1 pair of driving brushless electric machine, it is characterized in that: also comprise programmable device interface circuit (6), the input of described CPU microprocessor (1) also is electrically connected to the outfan of programmable device interface circuit (6).

3. the manipulation rocking bar control device of according to claim 1 pair of driving brushless electric machine, it is characterized in that: described weak mains on-off circuit (3) comprises audion Q1, Q2, resistance R 25, R26, and power supply is opened button S5, the emitter stage of described audion Q1 is electrically connected to the input of communication interface circuit (5), the base stage of audion Q1 is electrically connected to the colelctor electrode of audion Q2 by resistance R 25, the colelctor electrode of audion Q1 is electrically connected to the input of voltage-stabilized power supply circuit (4), the base stage of audion Q2 is electrically connected to an end of resistance R 26, the grounded emitter of audion Q2, the other end of resistance R 26 is electrically connected to the outfan of CPU microprocessor (1), the two ends that described power supply is opened button S5 are connected between the collector and emitter of audion Q2, and power supply is opened button S5 and is located on human computer conversation's panel (2).

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