CN205638762U - Portable gasoline instrument and electronic ignition system thereof - Google Patents
Portable gasoline instrument and electronic ignition system thereof Download PDFInfo
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- CN205638762U CN205638762U CN201620035902.3U CN201620035902U CN205638762U CN 205638762 U CN205638762 U CN 205638762U CN 201620035902 U CN201620035902 U CN 201620035902U CN 205638762 U CN205638762 U CN 205638762U
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- portable gasoline
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- position sensor
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Abstract
The utility model discloses a portable gasoline instrument and electronic ignition system thereof, it includes ignition coil and the spark plug that links to each other with ignition coil output, this portable gasoline instrument electronic ignition system still includes: DC power supply and the controller that links to each other and link to each other with ignition coil with the DC power supply electrical property. The utility model is simple in operation it is convenient, even still can realize starting, improve the whole efficiency of system under the lower condition of start stage rotational speed, in addition can accurate control ignition angle and energy, when the load rapid change of gasoline engine, through the change of position sensor detect to the rotational speed, adjust ignition angle in good time, make gasoline engine work more stable, make user's use experience better, do benefit to the popularization and the popularization of product.
Description
Technical field
This utility model relates to a kind of portable gasoline instrument and electronic ignition system thereof.
Background technology
Portable gasoline instrument is usually used in afforestation industry, its electronic ignition system is one of them critical system, electronic ignition system mainly includes flywheel, ignition coil, spark plug, Main Function is that the spark plug generation spark driven by high-tension coil by the burning mixture sucked in combustor lights burning mixture, it is allowed to blast release energy, and electronic ignition system is at most suitable ignition angle, send enough ignition energies, the gasoline engine that can allow portable gasoline instrument operates steadily, and improves efficiency.The electronic ignition system commonly used at present includes magneto, lighter, the induction coil being arranged on cylinder, and the permanent magnet being arranged on flywheel, permanent magnet is along with flywheel turns is when each circle meets with the induction coil being fixed on cylinder, the faradic current that will produce faradic current (principle is just as electromotor) and the highest generation of Speed of Reaction Wheels in induction coil is the biggest, the lowest faradic current of rotating speed is the least, make be attached thereto to be placed in the plug ignition that petrol engine combustion is indoor the voltage that this coil-induced Current amplifier becomes several ten thousand volts by circuit.But this electronic ignition system has the disadvantage in that its voltage is directly proportional to rotating speed, when rotating ratio is relatively low, the faradic current of generation is little, and the energy of igniting also ratio is relatively low, wherein time of ignition, and the relation of ignition energy and rotating speed is as shown in Figure 1.And in start-up phase, rotating speed is relatively low, ignition energy can not produce the big spark now needed, and is unfavorable for igniting, causes gasoline engine to be difficult to start, affects user and use.
Utility model content
This utility model purpose is: a kind of portable gasoline instrument of offer and electronic ignition system thereof, simple to operation, even if still can realize starting under conditions of start-up phase rotating speed is relatively low, the experience making user is more preferable, beneficially universal the and popularization of product.
First technical scheme of the present utility model is: a kind of portable gasoline instrument electronic ignition system, it includes ignition coil and exports, with ignition coil, the spark plug being connected, this portable gasoline instrument electronic ignition system also includes: DC source and the controller being electrical connected with DC source and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
On the basis of the first technical scheme, farther include following attached technical scheme:
It is also included the sensing element being arranged on flywheel or body, is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information.
Described sensing element is arranged on flywheel and is Magnet, and number is at least one, and position sensor is then arranged on body and number is single.
Described sensing element is arranged on flywheel and is ferrum, and number is at least one, and position sensor is then arranged on body and number is single, and its Position Sensor is proximity switch.
Described DC source is lithium battery, and controller is singlechip controller.
Described DC source is detachable and chargeable.
Second technical scheme of the present utility model is: a kind of portable gasoline instrument electronic ignition system, wherein portable gasoline instrument includes body, and be arranged on body and by hand traction or the flywheel of electric traction, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected, this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, and the controller being electrical connected with position sensor and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
On the basis of the second technical scheme, farther include following attached technical scheme:
Described sensing element is arranged on flywheel and is Magnet, and number is at least one, and position sensor is then arranged on body and number is single.
Described sensing element includes the phase magnet for initial alignment and the measurement Magnet for tachometric survey.
It also includes the wiring board being arranged on body and being electrical connected with position sensor and fix, and described sensing element is arranged on the circumference of flywheel, and wiring board is then positioned at the side of flywheel.
Described sensing element is Magnet and number is single, and position sensor is two or more.
Described sensing element is arranged on flywheel and is ferrum, and number is at least one, and position sensor is then arranged on body and number is single, and its Position Sensor is proximity switch.
It also includes the DC source providing electric energy to controller and the temperature sensor being connected with controller.
3rd technical scheme of the present utility model is: a kind of portable gasoline instrument, it includes body, the cylinder being arranged in body, can the most reciprocating piston, it is arranged on the crankshaft room below cylinder, deposit the fuel tank of gasoline, the flywheel being arranged on body, and electronic ignition system, this electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected and being arranged on cylinder, this electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, and the controller being electrical connected with position sensor and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
On the basis of the 3rd technical scheme, farther include following attached technical scheme:
Described sensing element is arranged on flywheel and is Magnet, and number is at least two, and position sensor is then arranged on body and number is single, and wherein said sensing element includes the phase magnet for initial alignment and the measurement Magnet for tachometric survey.
It also includes the wiring board being arranged on body and being electrical connected with position sensor and fix, and described sensing element is arranged on the circumference of flywheel, and wiring board is then positioned at the side of flywheel.
It also includes the DC source providing electric energy to controller and the temperature sensor being connected with controller.
Described DC source is detachable and chargeable.
4th technical scheme of the present utility model is: a kind of portable gasoline instrument electronic ignition system, it includes ignition coil and exports, with ignition coil, the spark plug being connected, this portable gasoline instrument electronic ignition system also includes: DC source, be electrical connected with DC source and the controller that is connected with ignition coil and the temperature sensor being connected with controller, its middle controller control point fire energy and ignition advance angle.
5th technical scheme of the present utility model is: a kind of portable gasoline instrument electronic ignition system, wherein portable gasoline instrument includes body, and be arranged on body and by hand traction or the flywheel of electric traction, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected, this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, the controller being electrical connected with position sensor and be connected with ignition coil, the DC source of electric energy is provided to controller, and the temperature sensor being connected with controller, its middle controller control point fire energy and ignition advance angle.
This utility model advantage is:
This utility model alleviates the weight of flywheel blade so that the less consumption of power that gasoline engine sends, on flywheel blade, improves the whole efficiency of system, and by using the controller of single-chip microcomputer design, can 2 accurate control points fire angle and energy；When the load of gasoline engine drastically changes, controller can detect the change of rotating speed by position sensor, adjust ignition angle in good time, make gasoline engine work more stable, the most simple to operation, even if still can realize starting under conditions of start-up phase rotating speed is relatively low, the experience making user is more preferable, beneficially universal the and popularization of product.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Fig. 1 is traditional ignition system performance diagram；
Fig. 2 is three-dimensional structure diagram of the present utility model, and wherein partial shell is removed；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is circuit function block diagram of the present utility model；
Fig. 5 is ignition system performance diagram of the present utility model；
Fig. 6 is the circuit diagram of this utility model middle controller；
Fig. 7 is the circuit diagram of power module in this utility model；
Fig. 8 is the circuit diagram of this utility model mesohigh ignition mechanism；
Fig. 9 is the circuit diagram of air door, throttle control mechanism in this utility model；
Detailed description of the invention
Embodiment: as Figure 2-3, this utility model provides the first embodiment of a kind of portable gasoline instrument electronic ignition system, it includes ignition coil and exports, with ignition coil, the spark plug 40 being connected, and this portable gasoline instrument electronic ignition system also includes: DC source 70 and the controller being electrical connected with DC source 70 and being connected with ignition coil.It is singlechip controller that DC source 70 is preferably lithium battery, the most detachable rechargeable lithium batteries bag, and controller, its middle controller control point fire energy and ignition advance angle.
With reference to shown in Fig. 2-3, this utility model provides the second embodiment of a kind of portable gasoline instrument electronic ignition system, wherein portable gasoline instrument includes body 10, and be arranged on body 10 and by the flywheel 30 of hand traction or electric traction, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug 40 being connected, this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel 30 or body 10, it is arranged on body 10 or flywheel 30 and is obtained by sensing element the position sensor 50 of flywheel 30 rotary speed information, and the controller being electrical connected with position sensor 50 and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.In the present embodiment, sensing element is arranged on flywheel 30 and for Magnet, and number is at least two, and position sensor 50 is then arranged on body 10 and number is single, and position sensor 50 is preferably Hall element, it is also possible to for photoelectric cell or other elements.
Preferably, sensing element includes the phase magnet 32 for initial alignment and the measurement Magnet 34 for tachometric survey, and phase magnet 32 is also known as top dead-centre phase magnet.
Preferably, the present embodiment also includes the wiring board 52 being arranged on body 10 and being electrical connected with position sensor 50 and fix, and sensing element is arranged on the circumference of flywheel 30, and wiring board 52 is then positioned at the side of flywheel 30 and keeps gap with flywheel 30.
Preferably, sensing element is Magnet and number is single, and position sensor is two or more.
Preferably, the present embodiment also includes the DC source 70 providing electric energy to controller, and DC source 70 is preferably lithium battery, the most detachable lithium battery bag.
With reference to shown in Fig. 2-3, this utility model provides the 3rd embodiment of a kind of portable gasoline instrument, it includes body 10, the cylinder 20 being arranged in body 10, can in cylinder 20 reciprocating piston 60, drive the bent axle 62 of piston 60 motion, the flywheel 30 being arranged on body 10 and be rotated by bent axle 62, and electronic ignition system, this electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug 40 being connected and being arranged on cylinder 20, this electronic ignition system also includes: be arranged on the sensing element on flywheel 30 or body 10, it is arranged on body 10 or flywheel 30 and is obtained by sensing element the position sensor 50 of Speed of Reaction Wheels information, and the controller being electrical connected with position sensor 50 and being connected with ignition coil.Wherein sensing element is preferably provided on flywheel 30 and is Magnet, and number is at least two, and position sensor 50 is then arranged on body 10 and number is single, and position sensor 50 is preferably Hall element, it is also possible to for photoelectric cell or other elements.Combuster 22 in cylinder 20, wherein spark plug 40 is fixed on cylinder 20 and is at least partially extend in combustor 22.
Preferably, sensing element includes the phase magnet 32 for initial alignment and the measurement Magnet 34 for tachometric survey, and phase magnet 32 is also known as top dead-centre phase magnet.
Preferably, the present embodiment also includes the wiring board 52 being arranged on body 10 and being electrical connected with position sensor 50 and fix, and sensing element is arranged on the circumference of flywheel 30, and wiring board 52 is then positioned at the side of flywheel 30 and keeps gap with flywheel 30.
Preferably, sensing element is Magnet and number is single, and position sensor is two or more, and position sensor 50 is preferably Hall element, it is also possible to for photoelectric cell or other elements.
Preferably, the present embodiment also includes the DC source 70 providing electric energy to controller and the temperature sensor being connected with controller.
With reference to shown in Fig. 2-3, this utility model provides the 4th embodiment of a kind of portable gasoline instrument electronic ignition system, it includes ignition coil and exports, with ignition coil, the spark plug 40 that is connected, and this portable gasoline instrument electronic ignition system also includes: DC source 70, be electrical connected with DC source 70 and the controller that is connected with ignition coil and the temperature sensor being connected with controller.DC source 70 is preferably lithium battery, the most detachable lithium battery bag.
With reference to shown in Fig. 2-3, this utility model provides the 5th embodiment of a kind of portable gasoline instrument electronic ignition system, wherein portable gasoline instrument includes body 10, and be arranged on body 10 and by the flywheel 30 of hand traction or electric traction, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug 40 being connected, this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel 30 or body 10, it is arranged on body 10 or flywheel 30 and is obtained by sensing element the position sensor 50 of Speed of Reaction Wheels information, the controller being electrical connected with position sensor 50 and be connected with ignition coil, the DC source 70 of electric energy is provided to controller, and the temperature sensor being connected with controller.Position sensor 50 is preferably Hall element, it is also possible to for photoelectric cell or other elements.DC source 70 is preferably lithium battery, the most detachable charged lithium cells bag.
With reference to shown in Fig. 4, it is circuit function block diagram of the present utility model, and its structure includes lithium battery that negative pole is connected to the ground, is connected with lithium battery anode and carries out the power module of blood pressure lowering, the controller being connected with power module, the airdoor control mechanism being connected with controller, the throttle control mechanism being connected with controller, the high-tension ignition mechanism electrically activating controlling organization, being connected with controller being connected with controller, the velocity feedback mechanism being connected with controller and being connected with Hall element and the temperature sensor being connected with controller.Master chip circuit is had in its middle controller, its circuit structure is with specific reference to Fig. 6, power module internal circuit is with specific reference to shown in Fig. 7, and the circuit structure of high-tension ignition mechanism is with specific reference to shown in Fig. 8, air door, throttle control mechanism circuit structure with specific reference to shown in Fig. 9.High-tension ignition mechanism includes the element such as ignition coil, spark plug.
Summary embodiment, this utility model uses lithium battery as DC source, it is used for detecting Speed of Reaction Wheels to determine ignition angle by position sensor, and temperature sensor detection Current Temperatures, DC source is become high pressure through ignition coil from low pressure by controller.Controller is according to the comprehensive operating mode such as current rotating speed, working time, temperature, calculate the current desired ignition angle wanted and ignition energy, then electronic ignition system uses high voltage package to discharge the electric spark of corresponding energy by the angle that controller internal calculation goes out, the gas mixture in cylinder is made to burn, promote reciprocating motion of the pistons so that gasoline engine is in preferable duty.Thus can realize igniting under extremely low rotating speed, detect current temperature by temperature sensor, when temperature is on the low side, improve ignition energy.Controller can control ignition angle and energy simultaneously, light a fire when making concentration in cylinder the highest, spark is maximum so that gasoline engine starting is relatively easy, more preferably operates, in hgher efficiency, compared with existing magneto technical scheme, this utility model need not install the Magnet module of heaviness on the blade of flywheel, can alleviate the weight of blade, the less consumption of power that gasoline engine is sent, on blade, improves the whole efficiency of system.Negotiation speed detection, can control in optimal state by the ignition angle under friction speed simultaneously, improves the gasoline engine systems work efficiency at all speed states, and by using the controller of single-chip microcomputer design, can be with accurate control points fire angle and energy.When the load of gasoline engine drastically changes, flywheel position that controller can be measured by position sensor and the rotating speed of flywheel, by the control of programmed algorithm, adjust ignition angle in good time, it is derived from the relation of time of ignition, ignition energy and rotating speed as it is shown in figure 5, make gasoline engine work more stable.
Certainly above-described embodiment is only for illustrating technology of the present utility model design and feature, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations done according to the spirit of this utility model main technical schemes or modification, all should contain within protection domain of the present utility model.
Claims (20)
1. a portable gasoline instrument electronic ignition system, it includes ignition coil and exports, with ignition coil, the spark plug being connected, it is characterized in that this portable gasoline instrument electronic ignition system also includes: DC source and the controller being electrical connected with DC source and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
2. a kind of portable gasoline instrument electronic ignition system as claimed in claim 1, it is characterised in that it is also included the sensing element being arranged on flywheel or body, is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information.
3. a kind of portable gasoline instrument electronic ignition system as claimed in claim 2, it is characterised in that: described sensing element is arranged on flywheel and is Magnet, and number is at least one, and position sensor is then arranged on body and number is single.
4. a kind of portable gasoline instrument electronic ignition system as claimed in claim 2, it is characterized in that: described sensing element is arranged on flywheel and is ferrum, number is at least one, and position sensor is then arranged on body and number is single, and its Position Sensor is proximity switch.
5. a kind of portable gasoline instrument electronic ignition system as claimed in claim 1, it is characterised in that: described DC source is lithium battery, and controller is singlechip controller.
6. a kind of portable gasoline instrument electronic ignition system as claimed in claim 5, it is characterised in that: described DC source is detachable and chargeable.
7. a portable gasoline instrument electronic ignition system, wherein portable gasoline instrument includes body, and the flywheel being arranged on body, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected, it is characterized in that this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, and the controller being electrical connected with position sensor and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
8. a kind of portable gasoline instrument electronic ignition system as claimed in claim 7, it is characterised in that: described sensing element is arranged on flywheel and is Magnet, and number is at least one, and position sensor is then arranged on body and number is single.
9. a kind of portable gasoline instrument electronic ignition system as claimed in claim 8, it is characterised in that: described sensing element includes the phase magnet for initial alignment and the measurement Magnet for tachometric survey.
10. a kind of portable gasoline instrument electronic ignition system as claimed in claim 7, it is characterized in that: described sensing element is arranged on flywheel and is ferrum, number is at least one, and position sensor is then arranged on body and number is single, and its Position Sensor is proximity switch.
The 11. a kind of portable gasoline instrument electronic ignition systems as described in claim 7 or 8 or 9 or 10, characterized by further comprising the wiring board being arranged on body and being electrical connected with position sensor and fix, described sensing element is arranged on the circumference of flywheel, and wiring board is then positioned at the side of flywheel.
12. portable gasoline instrument electronic ignition systems as claimed in claim 7 a kind of, it is characterised in that: described sensing element is Magnet and number is single, and position sensor is two or more.
The 13. a kind of portable gasoline instrument electronic ignition systems as described in claim 7 or 8 or 9 or 10, it is characterised in that also include the DC source providing electric energy to controller and the temperature sensor being connected with controller.
14. 1 kinds of portable gasoline instruments, it includes body, the cylinder being arranged in body, can the most reciprocating piston, bent axle with gas piston linkage, the flywheel being arranged on body and be rotated by bent axle, and electronic ignition system, this electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected and being arranged on cylinder, it is characterized in that this electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, and the controller being electrical connected with position sensor and being connected with ignition coil, its middle controller control point fire energy and ignition advance angle.
15. a kind of portable gasoline instruments as claimed in claim 14, it is characterized in that: described sensing element is arranged on flywheel and is Magnet, number is at least two, position sensor is then arranged on body and number is single, and wherein said sensing element includes the phase magnet for initial alignment and the measurement Magnet for tachometric survey.
16. a kind of portable gasoline instruments as claimed in claim 15, it is characterised in that also including the wiring board being arranged on body and being electrical connected with position sensor and fix, described sensing element is arranged on the circumference of flywheel, and wiring board is then positioned at the side of flywheel.
The 17. a kind of portable gasoline instruments as described in claims 14 or 15 or 16, it is characterised in that also include the DC source providing electric energy to controller and the temperature sensor being connected with controller.
18. a kind of portable gasoline instruments as claimed in claim 17, it is characterised in that described DC source is detachable and chargeable.
19. 1 kinds of portable gasoline instrument electronic ignition systems, it includes ignition coil and exports, with ignition coil, the spark plug being connected, it is characterized in that this portable gasoline instrument electronic ignition system also includes: DC source, be electrical connected with DC source and the controller that is connected with ignition coil and the temperature sensor being connected with controller, its middle controller control point fire energy and ignition advance angle.
20. 1 kinds of portable gasoline instrument electronic ignition systems, wherein portable gasoline instrument includes body, and the flywheel being arranged on body, this portable gasoline instrument electronic ignition system includes ignition coil, and export, with ignition coil, the spark plug being connected, it is characterized in that this portable gasoline instrument electronic ignition system also includes: be arranged on the sensing element on flywheel or body, it is arranged on body or flywheel and is obtained by sensing element the position sensor of Speed of Reaction Wheels information, the controller being electrical connected with position sensor and be connected with ignition coil, the DC source of electric energy is provided to controller, and the temperature sensor being connected with controller, its middle controller control point fire energy and ignition advance angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035902.3U CN205638762U (en) | 2016-01-15 | 2016-01-15 | Portable gasoline instrument and electronic ignition system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620035902.3U CN205638762U (en) | 2016-01-15 | 2016-01-15 | Portable gasoline instrument and electronic ignition system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205638762U true CN205638762U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620035902.3U Active CN205638762U (en) | 2016-01-15 | 2016-01-15 | Portable gasoline instrument and electronic ignition system thereof |
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| Country | Link |
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| CN (1) | CN205638762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121398A1 (en) * | 2016-01-15 | 2017-07-20 | 苏州科瓴精密机械科技有限公司 | Portable gasoline tool and electronic ignition system thereof |
| US10851721B2 (en) | 2016-01-15 | 2020-12-01 | Suzhou Cleva Precision Machinery & Technology, Co., Ltd. | Garden tool |
-
2016
- 2016-01-15 CN CN201620035902.3U patent/CN205638762U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121398A1 (en) * | 2016-01-15 | 2017-07-20 | 苏州科瓴精密机械科技有限公司 | Portable gasoline tool and electronic ignition system thereof |
| US10704521B2 (en) | 2016-01-15 | 2020-07-07 | Suzhou Cleva Precision Machinery & Tchnology Co., Ltd. | Portable gasoline tool and electronic ignition system thereof |
| US10851721B2 (en) | 2016-01-15 | 2020-12-01 | Suzhou Cleva Precision Machinery & Technology, Co., Ltd. | Garden tool |
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