CN203297020U - Intelligent angle-receding speed-limiting igniter - Google Patents
Intelligent angle-receding speed-limiting igniter Download PDFInfo
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- CN203297020U CN203297020U CN2013201587767U CN201320158776U CN203297020U CN 203297020 U CN203297020 U CN 203297020U CN 2013201587767 U CN2013201587767 U CN 2013201587767U CN 201320158776 U CN201320158776 U CN 201320158776U CN 203297020 U CN203297020 U CN 203297020U
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Abstract
The utility model discloses an intelligent angle-receding speed-limiting igniter. The intelligent angle-receding speed-limiting igniter comprises an MCU control chip, a driving unit, an execution unit, a power supply system unit, a power source processing unit, two sensor units and two signal processing units, wherein the MCU control chip and a peripheral circuit of the MCU control chip form an angle-receding speed-limiting circuit, the sensor units correspondingly collect two rotation speed pulse signals of an engine, the signal processing units are used for processing output signals and transmit the processed signals to the MCU control chip, and the MCU control chip judges the effectiveness of the received signals, then judges whether the rotation speed of the engine exceeds a preset speed according a preset program, correspondingly works out an angle-receding phase position, and changes the cycle of output ignition pulse according to the angle-receding phase position, thereby controlling the rotation speed of the engine to be the preset speed. The intelligent angle-receding speed-limiting igniter can achieve high-accuracy angle-receding speed-limiting ignition of the engine, limits the rotation speed of the engine, enables the engine to be stable and free of rush feeling in the operating process, and is stable and reliable in speed limitation.
Description
Technical field
The utility model relates to a kind of engine ignitor, particularly a kind of intelligence engine ignition mechanism.
Background technique
There is at present the dynamo ignition device of many types, but all exist some defects, particularly can not limit accurately engine speed, it is not steady that this makes instrument in use move, speed limit is unstable,, along with after the II standard of European Union's employing Europe, for the engine emission index, further improves on the other hand, so be necessary to carry out speed limit for motor, to reach the requirement that reduces discharging.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of intelligence to move back angle speed-limiting igniter, realize that the generator high-precision intelligent moves back angle speed limit igniting, engine speed is limited, make motor steady in running, without impacting effect, speed limit is reliable and stable, and makes engine emission meet the Euro II Emission standard.
Create purpose for reaching foregoing invention, the utility model adopts following technical proposals:
a kind of intelligence is moved back angle speed-limiting igniter, comprise the MCU control chip, driver element, performance element, power supply system unit and power supply processing unit, the output signal of MCU control chip acknowledge(ment) signal processing unit, and to the control signal of driver element output igniting, driver element directly drives performance element and lights a fire, the power supply processing unit carries out management and control to the power supply system unit, and power distribution is realized power supply to MCU control chip and driver element, intelligence of the present invention is moved back angle speed-limiting igniter and is also comprised two sensor units and two signal processing units, the MCU control chip, driver element, power supply processing unit and two signal processing units form together and move back the angle speed limit control system, MCU control chip and peripheral circuit thereof form and move back angle speed limit circuit, two corresponding two rotational speed pulse signals that gather motor of sensor unit difference, two signal processing units are processed the output signal of two sensor units respectively, and the signal after processing is transferred to the MCU control chip, at first the MCU control chip judges the validity that receives signal, then judge according to preset program whether the rotating speed of motor surpasses predetermined speed, when the rotating speed of MCU control chip judgement motor surpasses predetermined speed, the MCU control chip is corresponding to be calculated one and moves back angular phasing, then move back angular phasing according to this and change the cycle of the firing pulse of MCU control chip output, thereby the control engine rotating speed is on predetermined speed.
the above-mentioned angle speed limit main circuit that moves back will be comprised of MCU control chip, the 6th resistance, thyristor, reference diode and output winding, wherein the pin 1 of MCU control chip, pin 2 and pin 4 are distinguished the emitter of connecting triodes, the pin 5 of MCU control chip connects the negative pole of a diode, the pin 6 of MCU control chip connects an end of the 4th resistance, the pin 7 of MCU control chip connects an end of the 6th resistance, the thyristor control end of the other end tie point ignition circuit of the 6th resistance, move back angle speed limit circuit and also comprise serial regulating circuit, serial regulating circuit comprises transistor, the first resistance, the first electric capacity, the 4th resistance, general-purpose diode and a voltage-stabiliser tube, transistorized collector electrode be connected an end of resistance and connect, transistorized base stage connects the other end of the first resistance, the diode of also connecting between the pin 5 of transistorized collector electrode and MCU control chip, transistorized emitter is except connecting the pin 1 of MCU control chip, outside pin 2 and pin 4, transistorized emitter also connects an end of the 4th resistance and the first electric capacity, the first electric capacity the other end ground connection, the positive pole of another termination general-purpose diode of the 4th resistance, the negative pole of general-purpose diode connects the negative pole of voltage-stabiliser tube, the plus earth of voltage-stabiliser tube, move back angle speed limit circuit and also comprise firing circuit, firing circuit is comprised of reference diode, the 6th resistance, thyristor, the 7th resistance, the 3rd electric capacity, a fly-wheel diode, a tertiary coil and the 4th coil.one end of the 6th resistance is except the pin 7 that connects the MCU control chip, the other end of the 6th resistance also connects negative pole and the thyristor control end of reference diode, reference diode plus earth, the anodal negative pole that connects commutation diode of thyristor, the thyristor minus earth, the 7th resistance one end connects the negative pole of commutation diode, the 7th resistance the other end ground connection, the 3rd electric capacity one end connects the negative pole of commutation diode, the 3rd electric capacity the other end connects the positive pole of tertiary coil and fly-wheel diode, the tertiary coil the other end and fly-wheel diode minus earth, the 4th coil one end output, the 4th coil the other end ground connection, pin 8 ground connection of MCU control chip, the pin 3 of MCU control chip connects an end of the 3rd resistance, the other end ground connection of the 3rd resistance, the pin 3 of MCU control chip also connects the negative pole of a diode, the positive pole of diode connects the negative pole of the second resistance and voltage-stabiliser tube, the plus earth of voltage-stabiliser tube, another termination second coil of the second resistance, the negative pole of another termination current regulator diode of the second coil, the plus earth of current regulator diode, the plus earth that also has a diode, its negative pole is connected in series through the first resistance and transistorized collector electrode, its negative pole also is connected with transistorized base stage, first coil of also connecting between the positive pole of its negative pole and commutation diode, also be connected in addition the negative pole of a diode with the positive pole of commutation diode in addition, the plus earth of this diode, the termination that the first coil is connected with the positive pole of commutation diode is received input signal.
The utility model compared with prior art, has following substantive distinguishing features and advantage:
The utility model high-precision intelligent moves back the mode that angle speed-limiting igniter adopts control chip to adjust firing angle engine speed is limited, the whole firing angle of the frequency number tone of Chinese characters with the synchronization pulse signal of following the tracks of motor magnetic flywheel, realize the required rotating speed restriction of motor, operate steadily in the electric tool using process, without impacting effect, speed limit is reliable and stable.
Description of drawings
Fig. 1 is the theory diagram that the utility model preferred embodiment intelligence is moved back angle speed-limiting igniter.
Fig. 2 be the utility model preferred embodiment intelligence move back angle speed-limiting igniter move back angle speed limit circuit diagram.
Embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
in the present embodiment, referring to Fig. 1, a kind of intelligence is moved back angle speed-limiting igniter, comprise MCU control chip 40, driver element 50, performance element 80, power supply system unit 70 and power supply processing unit 60, the output signal of MCU control chip 40 acknowledge(ment) signal processing units 30, and to driver element 50, export the control signal of igniting, driver element 50 directly drives performance element 80 and lights a fire, 60 pairs of power supply system unit of power supply processing unit 70 carry out management and control, and power distribution is realized power supply to MCU control chip 40 and driver element 50, the present embodiment intelligence is moved back angle speed-limiting igniter and is also comprised two sensor units 20 and two signal processing units 30, MCU control chip 40, driver element 50, power supply processing unit 60 and two signal processing units 30 formations are moved back angle speed limit control system 10, MCU control chip 40 and peripheral circuit thereof form and move back angle speed limit circuit, two sensor unit 20 corresponding two rotational speed pulse signals that gather motor of difference, two signal processing units 30 are processed the output signal of two sensor units 20 respectively, and the signal after processing is transferred to MCU control chip 40, at first MCU control chip 40 judges the validity that receives signal, then judge according to preset program whether the rotating speed of motor surpasses predetermined speed, when the rotating speed of MCU control chip 40 judgement motors surpasses predetermined speed, MCU control chip 40 is corresponding to be calculated one and moves back angular phasing, then move back angular phasing according to this and change the cycle of the firing pulse of MCU control chip 40 outputs, thereby the control engine rotating speed is on predetermined speed.The present embodiment intelligence is moved back angle speed-limiting igniter and is comprised two sensor units 20 that detect for motor being carried out rotating speed, also comprise two signal processing units 30 processing for the output signal of two sensor units, MCU control chip 40 comprises control program, the output signal of acknowledge(ment) signal processing unit 30, and the control signal of output igniting.Using the present embodiment intelligence to move back angle speed-limiting igniter makes the engine speed of electric tool remain on desired speed, can automatically adjust the firing pulse cycle according to rotation speed change, and according to the maximum speed of safety requirement to motor, limit, especially make electric tool in use operate steadily, speed limit is reliable and stable.
in the present embodiment, referring to Fig. 2, moving back angle speed limit main circuit will be comprised of MCU control chip 40, the 6th resistance R 6, thyristor Q2, reference diode D11 and output winding, wherein the pin 1 of MCU control chip 40, pin 2 and pin 4 are distinguished the emitter of connecting triode Q1, the pin 5 of MCU control chip 40 connects the negative pole of a diode D10, the pin 6 of MCU control chip 40 connects an end of the 4th resistance R 4, the pin 7 of MCU control chip 40 connects an end of the 6th resistance R 6, the thyristor Q2 control end of the other end tie point ignition circuit of the 6th resistance R 6, move back angle speed limit circuit and also comprise serial regulating circuit, serial regulating circuit comprises transistor Q1, the first resistance R 1, the first capacitor C 1, the 4th resistance R 4, general-purpose diode D8 and a voltage-stabiliser tube D9, the collector electrode of transistor Q1 be connected an end of resistance R 1 and connect, the base stage of transistor Q1 connects the other end of the first resistance R 1, a diode D7 also connects between the pin 5 of the collector electrode of transistor Q1 and MCU control chip 40, the emitter of transistor Q1 is except connecting the pin 1 of MCU control chip 40, outside pin 2 and pin 4, the emitter of transistor Q1 also connects an end of the 4th resistance R 4 and the first capacitor C 1, the first capacitor C 1 the other end ground connection, the positive pole of the 4th resistance R 4 another termination general-purpose diode D8, the negative pole of general-purpose diode D8 connects the negative pole of voltage-stabiliser tube D9, the plus earth of voltage-stabiliser tube D9, move back angle speed limit circuit and also comprise firing circuit, firing circuit is comprised of reference diode D11, the 6th resistance R 6, thyristor Q2, the 7th resistance R 7, the 3rd capacitor C 3, a sustained diode 12, a tertiary coil L3 and the 4th a coil L4.one end of the 6th resistance R 6 is except the pin 7 that connects MCU control chip 40, the other end of the 6th resistance R 6 also connects negative pole and the thyristor Q2 control end of reference diode D11, reference diode D11 plus earth, the anodal negative pole that connects commutation diode D3 of thyristor Q2, thyristor Q2 minus earth, the 7th resistance R 7 one ends connect the negative pole of commutation diode D3, the 7th resistance R 7 the other end ground connection, the 3rd capacitor C 3 one ends connect the negative pole of commutation diode D3, the 3rd capacitor C 3 the other ends connect the positive pole of tertiary coil L3 and sustained diode 12, the tertiary coil L3 the other end and sustained diode 12 minus earths, the 4th coil L4 one end output, the 4th coil L4 the other end ground connection, pin 8 ground connection of MCU control chip 40, the pin 3 of MCU control chip 40 connects an end of the 3rd resistance R 3, the other end ground connection of the 3rd resistance R 3, the pin 3 of MCU control chip 40 also connects the negative pole of a diode D6, the positive pole of diode D6 connects the negative pole of the second resistance R 2 and voltage-stabiliser tube D5, the plus earth of voltage-stabiliser tube D5, second resistance R 2 another termination the second coil L2, the negative pole of another termination current regulator diode of the second coil L2 D4, the plus earth of current regulator diode D4, the plus earth that also has a diode D2, its negative pole is connected in series through the first resistance R 1 and the collector electrode of transistor Q1, its negative pole also is connected with the base stage of transistor Q1, the first coil L1 also connects between the positive pole of its negative pole and commutation diode D3, also be connected in addition the negative pole of a diode D1 with the positive pole of commutation diode D3 in addition, the plus earth of this diode D1, the termination that the first coil L1 is connected with the positive pole of commutation diode D3 is received input signal.
In the present embodiment, the end that two signal processing units 30 that intelligence is moved back angle speed-limiting igniter are connected with the positive pole of commutation diode D3 by the first coil L1 is to the peripheral circuit input signal of MCU control chip 40, through moving back the logical process of angle speed limit circuit to signal,, with the signal output part end output of the signal after processing by the 4th coil L4, drive 80 pairs of generators of performance element and accurately light a fire.the present embodiment intelligence is moved back angle speed-limiting igniter and is gathered two rotational speed pulse signals of motor by sensor unit 20, then 30 pairs of sensor units 20 of signal processing unit signal of coming carries out processing of circuit, and transfer signals to MCU control chip 40, at first MCU control chip 40 judges the validity of this signal, then surpass predetermined speed according to the rotating speed of preset program judgement motor, and calculate one and move back angular phasing, move back angular phasing according to this and change the cycle of the firing pulse of MCU control chip 40 outputs, thereby high-precision control engine rotating speed is on predetermined speed.
The above is illustrated the utility model embodiment by reference to the accompanying drawings; but the utility model is not limited to above-described embodiment; can also make multiple variation according to the purpose that model utility of the present utility model is created; the change of making under all Spirit Essences according to technical solutions of the utility model and principle, modification, substitute, combination, simplify; all should be the substitute mode of equivalence; as long as meet structure and the aufbauprinciple of moving back angle speed-limiting igniter for the utility model intelligence, all belong to protection domain of the present utility model.
Claims (1)
1. an intelligence is moved back angle speed-limiting igniter, comprise MCU control chip (40), driver element (50), performance element (80), power supply system unit (70) and power supply processing unit (60), described MCU control chip (40) is accepted the output signal of described signal processing unit (30), and to the control signal of described driver element (50) output igniting, described driver element (50) directly drives performance element (80) and lights a fire, described power supply processing unit (60) carries out management and control to described power supply system unit (70), and realize power supply for described MCU control chip (40) and described driver element (50) power distribution, it is characterized in that: also comprise two sensor units (20) and two signal processing units (30), described MCU control chip (40), described driver element (50), described power supply processing unit (60) and two described signal processing units (30) formation are moved back angle speed limit control system (10), described MCU control chip (40) and peripheral circuit thereof form and move back angle speed limit circuit, two described sensor units (20) are corresponding two rotational speed pulse signals that gather motor respectively, two described signal processing units (30) are processed the output signal of two described sensor units (20) respectively, and the signal after processing is transferred to described MCU control chip (40), described MCU control chip (40) at first judges the validity that receives signal, then judge according to preset program whether the rotating speed of motor surpasses predetermined speed, when the rotating speed of described MCU control chip (40) judgement motor surpasses predetermined speed, described MCU control chip (40) is corresponding to be calculated one and moves back angular phasing, then move back angular phasing according to this and change the cycle of the firing pulse of described MCU control chip (40) output, thereby the control engine rotating speed is on predetermined speed.
2. intelligence according to claim 1 is moved back angle speed-limiting igniter, it is characterized in that: the described angle speed limit main circuit that moves back will be by described MCU control chip (40), the 6th resistance (R6), thyristor (Q2), reference diode (D11) and output winding form, the pin 1 of wherein said MCU control chip (40), pin 2 and pin 4 be the emitter of connecting triode (Q1) respectively, the pin 5 of described MCU control chip (40) connects the negative pole of a diode D10, the pin 6 of described MCU control chip (40) connects an end of the 4th resistance (R4), the pin 7 of described MCU control chip (40) connects an end of described the 6th resistance (R6), described thyristor (Q2) control end of the other end tie point ignition circuit of described the 6th resistance (R6),
the described angle speed limit circuit that moves back also comprises serial regulating circuit, described serial regulating circuit comprises transistor (Q1), the first resistance (R1), the first electric capacity (C1), described the 4th resistance (R4), general-purpose diode (D8) and a voltage-stabiliser tube D9, the collector electrode of described transistor (Q1) be connected an end of the first resistance (R1) and connect, the base stage of described transistor (Q1) connects the other end of described the first resistance (R1), a diode D7 also connects between the pin 5 of the collector electrode of described transistor (Q1) and described MCU control chip (40), the emitter of described transistor (Q1) is except connecting the pin 1 of described MCU control chip (40), outside pin 2 and pin 4, the emitter of described transistor (Q1) also connects an end of described the 4th resistance (R4) and described the first electric capacity (C1), described the first electric capacity (C1) the other end ground connection, the positive pole of the described general-purpose diode of another termination of described the 4th resistance (R4) (D8), the negative pole of described general-purpose diode (D8) connects the negative pole of described voltage-stabiliser tube D9, the plus earth of described voltage-stabiliser tube D9,
the described angle speed limit circuit that moves back also comprises firing circuit, described firing circuit is by described reference diode (D11), described the 6th resistance (R6), described thyristor (Q2), the 7th resistance (R7), the 3rd electric capacity (C3), a fly-wheel diode (D12), a tertiary coil (L3) and the 4th coil (L4) form, one end of described the 6th resistance (R6) is except the pin 7 that connects described MCU control chip (40), the other end of described the 6th resistance (R6) also connects negative pole and described thyristor (Q2) control end of described reference diode (D11), described reference diode (D11) plus earth, the anodal negative pole that connects commutation diode (D3) of described thyristor (Q2), described thyristor (Q2) minus earth, described the 7th resistance (R7) end connects the negative pole of described commutation diode (D3), described the 7th resistance (R7) the other end ground connection, described the 3rd electric capacity (C3) end connects the negative pole of described commutation diode (D3), described the 3rd electric capacity (C3) the other end connects the positive pole of described tertiary coil (L3) and described fly-wheel diode (D12), described tertiary coil (L3) the other end and fly-wheel diode (D12) minus earth, described the 4th coil (L4) end output, described the 4th coil (L4) the other end ground connection,
pin 8 ground connection of described MCU control chip (40), the pin 3 of described MCU control chip (40) connects an end of the 3rd resistance (R3), the other end ground connection of described the 3rd resistance (R3), the pin 3 of described MCU control chip (40) also connects the negative pole of a diode D6, the positive pole of described diode D6 connects the negative pole of the second resistance (R2) and voltage-stabiliser tube D5, the plus earth of described voltage-stabiliser tube D5, another termination second coil (L2) of described the second resistance (R2), the negative pole of another termination current regulator diode (D4) of described the second coil (L2), the plus earth of described current regulator diode (D4), the plus earth that also has a diode D2, its negative pole is connected in series through described the first resistance (R1) and the collector electrode of described transistor (Q1), its negative pole also is connected with the base stage of described transistor (Q1), the first coil (L1) of also connecting between the positive pole of its negative pole and described commutation diode (D3), also be connected in addition the negative pole of a diode D1 with the positive pole of described commutation diode (D3) in addition, the plus earth of this diode D1, the termination that described the first coil (L1) is connected with the positive pole of described commutation diode (D3) is received input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201587767U CN203297020U (en) | 2013-04-02 | 2013-04-02 | Intelligent angle-receding speed-limiting igniter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201587767U CN203297020U (en) | 2013-04-02 | 2013-04-02 | Intelligent angle-receding speed-limiting igniter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297020U true CN203297020U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201587767U Expired - Fee Related CN203297020U (en) | 2013-04-02 | 2013-04-02 | Intelligent angle-receding speed-limiting igniter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297020U (en) |
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2013
- 2013-04-02 CN CN2013201587767U patent/CN203297020U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20170402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |