CN208907385U - A kind of put-put is without battery self closing door control system - Google Patents
A kind of put-put is without battery self closing door control system Download PDFInfo
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- CN208907385U CN208907385U CN201821789911.7U CN201821789911U CN208907385U CN 208907385 U CN208907385 U CN 208907385U CN 201821789911 U CN201821789911 U CN 201821789911U CN 208907385 U CN208907385 U CN 208907385U
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Abstract
The utility model provides a kind of put-put without battery self closing door control system, including microcontroller and the slow-speed of revolution power circuit being separately connected with microcontroller, high revolving speed power circuit, rotating speed sample circuit, temperature sensor and stepper motor driving circuit, low high revolving speed power circuit is used for when hand pull starting-up drives winding to be in low high-speed rotation, the alternating current generated on main winding in winding and charging winding is converted to the low-voltage DC for maintaining whole system work respectively, rotating speed sample circuit acquires real-time revolving speed when magneto rotation, the head temperature of temperature sensor sensing petrol engine, microcontroller rotates damper aperture through stepper motor driving circuit driving stepper motor according to the real-time revolving speed of acquisition and the head temperature output throttle opening control signal of sensing.This control system realizes self closing door control, needs to manually control throttle opening before efficiently solving conventional engines starting and relies on the defect of battery control air door.
Description
Technical field
The utility model relates to general small-size gasoline engine technology fields, and in particular to a kind of put-put without
Battery self closing door control system.
Background technique
In current general small-size petrol engine industry, when engine start, must manually control the unlatching of air door in advance
With closing, and the control of air door will directly affect the size of air inflow, and then influence the concentration of gasoline and air mixing.In difference
At a temperature of, when engine start, needs different mixed gas concentrations that could start.Suitable concentration in order to obtain, Yong Huyi
As be difficult to control, so needed when user being caused to use it is appropriate adjusting could start success several times.
There is self closing door control product on the market at present, the problem of manually adjusting air door can be well solved.But
The utility model inventor has found that current self closing door control product has relied on storage battery work, work as electricity
When bottle not enough power supply or damage, the rotation of air door is controlled due to no enough electricity, thus it is tired to cause engine start
Hardly possible can not start.
Utility model content
Storage battery work is had relied on for the self closing door control product of engine start on the market for existing, works as electricity
When bottle not enough power supply or damage, the rotation of air door is controlled due to no enough electricity, thus it is tired to cause engine start
Difficult or the technical issues of can not start, the utility model, which provides a kind of put-put and controls without battery self closing door, is
System.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of put-put without battery self closing door control system, including microcontroller and with the microcontroller
Slow-speed of revolution power circuit, high revolving speed power circuit, rotating speed sample circuit, temperature sensor and the stepper motor driving being separately connected
Circuit；The slow-speed of revolution power circuit is used to drive the winding of magneto in petrol engine to be in low speed rotation in hand pull starting-up
When dynamic, the alternating current generated on main winding in winding is converted to the low-voltage DC for maintaining whole system work；Described high turn
Fast power circuit is used for after the success of hand pull starting-up petrol engine, when the winding of magneto is in high-speed rotation, by winding
The alternating current generated on middle charging winding is converted to the low-voltage DC for maintaining whole system work；The rotating speed sample circuit is used
The revolving speed of real-time revolving speed, that is, engine when acquiring magneto rotation, the temperature sensor is for sensing petrol engine
Head temperature；The microcontroller is used for the head temperature output throttle opening control of the real-time revolving speed and sensing according to acquisition
Signal, the stepper motor driving circuit control stepper motor in signal driving petrol engine carburetor according to throttle opening and turn
Dynamic damper aperture.
Compared with prior art, put-put provided by the utility model has without battery self closing door control system
Have following technical effect: when storage battery is out of power or damage, the application starts engine by hand pull starting-up, and hand pull starting-up
The winding rotation of magneto in petrol engine will be driven, winding has generally comprised main winding, igniting winding and charging winding
Totally three windings；When magneto rotation, due to the cutting in magnetic field, the voltage of tens volts of generation can be incuded on main winding,
The corresponding electricity of this voltage is sufficient to driving air door rotation, therefore allows for not needing storage battery, it is only necessary to be opened by pulling
The dynamic rotation that also can control air door efficiently solves and needs to manually control air door before existing put-put starting and open
The defect of degree is truly realized self closing door control.Specifically, master when winding being in the slow-speed of revolution by slow-speed of revolution power circuit
The alternating current generated on winding is converted to the low-voltage DC for maintaining whole system work, leads to excessive speeds power circuit for winding
The alternating current generated on charging winding when in high revolving speed is converted to the low-voltage DC for maintaining whole system work, passes through revolving speed
Sample circuit acquires the revolving speed of real-time revolving speed, that is, engine when magneto rotates, and senses gasoline engine by temperature sensor
The head temperature of machine, and microcontroller controls signal according to real-time revolving speed and head temperature output throttle opening, stepper motor drives
Dynamic circuit controls the stepper motor in signal driving petrol engine carburetor according to throttle opening and rotates come damper aperture,
Realize air quantity adjusting and quick start.
Further, the slow-speed of revolution power circuit include be linked in sequence the first rectification module, the first filter module and every
From voltage reduction module.
Further, the high revolving speed power circuit include be linked in sequence the second rectification module, the second filter module and
DCDC voltage reduction module.
Further, the rotating speed sample circuit includes resistance R6 to R10, diode D4, triode Q1, capacitor C4 and capacitor
One end of C5, resistance R9 are connect with the charging winding in magneto winding, one end of the other end and resistance R10 and capacitor C5 and
The cathode of diode D4 connects, and the other end of resistance R10 is connect with the base stage of one end of resistance R8 and triode Q1, triode Q1
Collector connect with one end of resistance R6, resistance R7 and capacitor C4, the emitter and electricity of the anode of diode D4, triode Q1
Hold the other end ground connection of C5, resistance R8 and capacitor C4, the other end of another termination 5V voltage of resistance R6, resistance R7 exports revolving speed
Sampled signal.
Further, the microcontroller uses Microchip single-chip microcontroller PIC16F1933.
Detailed description of the invention
Fig. 1 is put-put provided by the utility model without battery self closing door control system functional block diagram.
Fig. 2 is the conspectus of Fig. 1 middle and slow speed of revolution power circuit provided by the utility model.
Fig. 3 is the conspectus of high revolving speed power circuit in Fig. 1 provided by the utility model.
Fig. 4 is the conspectus of rotating speed sample circuit in Fig. 1 provided by the utility model.
In figure, 1, microcontroller；2, slow-speed of revolution power circuit；21, the first rectification module；22, the first filter module；23,
Isolated buck module；3, high revolving speed power circuit；31, the second rectification module；32, the second filter module；33, DCDC is depressured mould
Block；4, rotating speed sample circuit；5, temperature sensor；6, stepper motor driving circuit；10, magneto.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
In the description of the present invention, it should be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instructions such as degree ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please referring to shown in Fig. 1, the utility model provides a kind of put-put without battery self closing door control system,
The slow-speed of revolution power supply (Microcontroller Unit, MCU) 1 including microcontroller and be separately connected with the microcontroller 1
Circuit 2, high revolving speed power circuit 3, rotating speed sample circuit 4, temperature sensor 5 and stepper motor driving circuit 6；The slow-speed of revolution
Power circuit 2 is used for when hand pull starting-up drives the winding of magneto 10 in petrol engine to be in and slowly runs, by winding
The alternating current generated on middle main winding is converted to the low-voltage DC for maintaining whole system work；The high revolving speed power circuit 3
For hand pull starting-up petrol engine success after, when the winding of magneto 10 be in high-speed rotation, will in winding charge around
The alternating current generated in group is converted to the low-voltage DC for maintaining whole system work；The rotating speed sample circuit 4 is for acquiring
The revolving speed of real-time revolving speed, that is, engine when magneto 10 rotates, the temperature sensor 5 is for sensing petrol engine
Head temperature；The microcontroller 1 is used for the head temperature output throttle opening control of the real-time revolving speed and sensing according to acquisition
Signal, the stepper motor driving circuit 6 control stepper motor in signal driving petrol engine carburetor according to throttle opening
Rotate damper aperture.
Compared with prior art, put-put provided by the utility model has without battery self closing door control system
Have following technical effect: when storage battery is out of power or damage, the application starts engine by hand pull starting-up, and hand pull starting-up
The winding rotation of magneto in petrol engine will be driven, winding has generally comprised main winding, igniting winding and charging winding
Totally three windings；When magneto rotation, due to the cutting in magnetic field, the voltage of tens volts of generation can be incuded on main winding,
The corresponding electricity of this voltage is sufficient to driving air door rotation, therefore allows for not needing storage battery, it is only necessary to be opened by pulling
The dynamic rotation that also can control air door efficiently solves and needs to manually control air door before existing put-put starting and open
The defect of degree is truly realized self closing door control.Specifically, master when winding being in the slow-speed of revolution by slow-speed of revolution power circuit
The alternating current generated on winding is converted to the low-voltage DC for maintaining whole system work, leads to excessive speeds power circuit for winding
The alternating current generated on charging winding when in high revolving speed is converted to the low-voltage DC for maintaining whole system work, passes through revolving speed
Sample circuit acquires the revolving speed of real-time revolving speed, that is, engine when magneto rotates, and senses gasoline engine by temperature sensor
The head temperature of machine, and microcontroller controls signal according to real-time revolving speed and head temperature output throttle opening, stepper motor drives
Dynamic circuit controls the stepper motor in signal driving petrol engine carburetor according to throttle opening and rotates come damper aperture,
Realize air quantity adjusting and quick start.
As specific embodiment, the slow-speed of revolution power circuit 2 includes the first rectification module 21, first filter being linked in sequence
Wave module 22 and isolated buck module 23, and first rectification module 21, the first filter module 22 and isolated buck module 23
Specific line construction please refer to shown in Fig. 2.Specifically, when the magneto 10 works normally, the electricity of main winding is main
120V or 220V alternating current is converted to for inverter；Main winding power is big, and number of winding turns is more, so being such as lower than in low speed
Also the alternating voltage that tens volts can be generated when 2000RPM, by this alternating voltage is rectified, is filtered and isolated buck after,
Be converted to voltage required for maintaining whole system to work.
It as specific embodiment, please refers to shown in Fig. 3, the high revolving speed power circuit 3 second including sequential connection is whole
Flow module 31, the second filter module 32 and DCDC voltage reduction module 33, and second rectification module 31,32 and of the second filter module
The specific line construction of DCDC voltage reduction module 33 please refers to shown in Fig. 3.Specifically, as magneto 10 starts successfully, revolving speed
Supreme revolving speed such as 2000RPM or more are promoted, the voltage generated on main winding can reach several hectovolts, for the sake of security, this
Application turns off slow-speed of revolution power circuit 2, prevents it from working；When high revolving speed, tens volts can be generated on charging winding
Alternating current, by being rectified, being filtered by this alternating voltage and be converted to maintenance after a DCDC power supply chip is depressured
The voltage of whole system work.
It as specific embodiment, please refers to shown in Fig. 4, the rotating speed sample circuit 4 includes resistance R6 to R10, diode
One end of D4, triode Q1, capacitor C4 and capacitor C5, resistance R9 are connect with the charging winding in magneto winding, the other end
It is connect with the cathode of one end of resistance R10 and capacitor C5 and diode D4, the other end of resistance R10 and one end and three of resistance R8
The base stage of pole pipe Q1 connects, and the collector of triode Q1 is connect with one end of resistance R6, resistance R7 and capacitor C4, diode D4's
The other end ground connection of anode, the emitter of triode Q1 and capacitor C5, resistance R8 and capacitor C4, another termination 5V electricity of resistance R6
The other end of pressure, resistance R7 exports revolving speed sampled signal.Using the rotating speed sample circuit 4 in the present embodiment, permanent magnetism can be acquired
Real-time revolving speed when 10 high-speed rotation of motor identifies engine start state, and combination temperature sensor 5 controls air door
Aperture.
As specific embodiment, engine start and temperature be also it is closely bound up, when environment temperature is too low, engine
It needs air door to completely close before cold starting, when environment temperature is higher, needs air door to open some angles before engine cold starting
Degree needs air door to fully open before engine warm boot, these require the phase before activation and are perceived by temperature sensor 5
The temperature of engine cylinder head at this time, then handled by microcontroller 1 and obtain the aperture of air door and export corresponding throttle opening control
Signal processed, and then control stepper motor driving circuit 6 and stepper motor rotation is driven to reach correct entry condition.As a kind of reality
Mode is applied, the temperature sensor 5 realizes that the sensing principle for temperature has been ability using existing common thermistor
Well known to field technique personnel, the microcontroller 1 uses Microchip single-chip microcontroller PIC16F1933, and uses the list of the model
Piece machine microcontroller controls signal according to the real-time revolving speed of acquisition and the head temperature output throttle opening of sensing, for affiliated
It is easily achieved for the technical staff in field, certainly, those skilled in the art can also use 51 single-chip microcontrollers, STM system
Column single-chip microcontrollers is realized；Meanwhile the stepper motor driving circuit 6 is circuit intrinsic in petrol engine, i.e. stepper motor
Driving circuit 6 be for those skilled in the art it is existing, i.e., those skilled in the art can use existing completely
Stepper motor driving circuit is realized；In addition, the specific structure and mutual connection of the stepper motor and air door close
It is existing in system or positional relationship and petrol engine, i.e., it is known in existing petrol engine, thus relative to
All be for those skilled in the art it is well known, so details are not described herein.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of put-put is without battery self closing door control system, which is characterized in that including microcontroller and with institute
State slow-speed of revolution power circuit, high revolving speed power circuit, rotating speed sample circuit, temperature sensor and step that microcontroller is separately connected
Into motor-drive circuit；The slow-speed of revolution power circuit is used to drive the winding of magneto in petrol engine in hand pull starting-up
In when slowly running, the alternating current generated on main winding in winding is converted to the low-voltage direct for maintaining whole system work
Electricity；The high revolving speed power circuit is used for after the success of hand pull starting-up petrol engine, and the winding of magneto is in high speed and turns
When dynamic, the alternating current generated on the winding that charges in winding is converted to the low-voltage DC for maintaining whole system work；Described turn
Fast sample circuit is used to acquire the real-time revolving speed i.e. revolving speed of engine when magneto rotation, and the temperature sensor is for feeling
Survey the head temperature of petrol engine；The microcontroller is used to be exported according to the real-time revolving speed of acquisition and the head temperature of sensing
Throttle opening controls signal, and the stepper motor driving circuit controls signal according to throttle opening and drives petrol engine carburetor
Middle stepper motor rotates damper aperture.
2. put-put according to claim 1 is without battery self closing door control system, which is characterized in that described
Slow-speed of revolution power circuit includes the first rectification module, the first filter module and the isolated buck module being linked in sequence.
3. put-put according to claim 1 is without battery self closing door control system, which is characterized in that described
High revolving speed power circuit includes the second rectification module, the second filter module and the DCDC voltage reduction module being linked in sequence.
4. put-put according to claim 1 is without battery self closing door control system, which is characterized in that described
Rotating speed sample circuit includes resistance R6 to R10, diode D4, triode Q1, capacitor C4 and capacitor C5, one end of resistance R9 with forever
Charging winding connection in magneto winding, the other end are connect with the cathode of one end of resistance R10 and capacitor C5 and diode D4,
The other end of resistance R10 is connect with the base stage of one end of resistance R8 and triode Q1, the collector and resistance R6, electricity of triode Q1
Resistance R7 is connected with one end of capacitor C4, the anode of diode D4, the emitter of triode Q1 and capacitor C5, resistance R8 and capacitor C4
Other end ground connection, another termination 5V voltage of resistance R6, the other end of resistance R7 exports revolving speed sampled signal.
5. put-put according to claim 1 is without battery self closing door control system, which is characterized in that described
Microcontroller uses Microchip single-chip microcontroller PIC16F1933.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789911.7U CN208907385U (en) | 2018-10-31 | 2018-10-31 | A kind of put-put is without battery self closing door control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789911.7U CN208907385U (en) | 2018-10-31 | 2018-10-31 | A kind of put-put is without battery self closing door control system |
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| CN208907385U true CN208907385U (en) | 2019-05-28 |
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| CN201821789911.7U Active CN208907385U (en) | 2018-10-31 | 2018-10-31 | A kind of put-put is without battery self closing door control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042972A (en) * | 2019-12-31 | 2020-04-21 | 重庆鑫源农机股份有限公司 | Generator start control circuit and generator |
-
2018
- 2018-10-31 CN CN201821789911.7U patent/CN208907385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111042972A (en) * | 2019-12-31 | 2020-04-21 | 重庆鑫源农机股份有限公司 | Generator start control circuit and generator |
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