阅读说明：本技术 电喷型摩托车电感式点火线圈 (Inductance type ignition coil of electronic injection motorcycle ) 是由 张有银 于 2020-05-13 设计创作，主要内容包括：本发明涉及一种电喷型摩托车电感式点火线圈,包括磁芯、初级线圈以及次级线圈,次级线圈外侧设有外壳,磁芯呈“U”字形设置,且连接有闭合条,磁芯与闭合条构成“口”字形结构的闭环,磁芯包括内置部和外置部,外置部的端部和内置部的端部均设有第一凸块,闭合条的一侧设有第一凹槽,第一凹槽的内侧设有第二凸块,第一凸块的外侧设有第二凹槽,通过第一凸块与第一凹槽榫卯连接,且第二凸块与第二凹槽榫卯连接,使得每一片硅钢片都能紧密贴合,且磁芯与闭合条一一对应,形成闭环结构,提高转换效率,防止漏磁,点火能量释放更集中并可以产生更高的电压及电流,外形美观、结构紧凑,并且安装工艺简单,更适合自动化大批量生产。(The invention relates to an electric injection type motorcycle inductive ignition coil, which comprises a magnetic core, a primary coil and a secondary coil, wherein the outer side of the secondary coil is provided with a shell, the magnetic core is arranged in a U shape and is connected with a closing strip, the magnetic core and the closing strip form a closed loop in a square structure, the magnetic core comprises an inner part and an outer part, the end part of the outer part and the end part of the inner part are respectively provided with a first lug, one side of the closing strip is provided with a first groove, the inner side of the first groove is provided with a second lug, the outer side of the first lug is provided with a second groove, the first lug is in mortise-tenon connection with the first groove, the second lug is in mortise-tenon connection with the second groove, each silicon steel sheet can be tightly attached, the magnetic core and the closing strip correspond to each other to form a closed loop structure, the conversion efficiency is improved, the magnetic leakage is prevented, the ignition energy is more concentrated, the appearance is pleasing to the eye, compact structure to the installation simple process is more fit for automatic mass production.)

1. The utility model provides an electricity spouts type motorcycle inductance type ignition coil, includes magnetic core (1), surrounds primary coil (2) on magnetic core (1) and sets up secondary coil (3) in primary coil (2) outside, its characterized in that: the secondary coil (3) outside is equipped with shell (4), magnetic core (1) is "U" font setting, and its open end is connected with closed strip (5) to constitute closed loop (6) of "mouth" font structure with closed strip (5), magnetic core (1) is including interior portion (7) and set up in the exterior portion (8) of shell (4) one side, the tip of exterior portion (8) and the tip of interior portion (7) all are equipped with first lug (9), one side of closed strip (5) is equipped with first recess (10), the inboard of first recess (10) is equipped with second lug (11), the outside of first lug (9) is equipped with second recess (12), first lug (9) and first recess (10) are through mortise-tenon joint, second lug (11) and second recess (12) are through mortise-tenon joint.

2. An electric injection motorcycle inductive ignition coil according to claim 1, characterized in that: the two sides of the closed loop (6) are provided with first mounting holes (13), the middle of the closed loop is provided with second mounting holes (14), and the second mounting holes (14) are arranged on the outer portion (8).

3. An electric injection motorcycle inductive ignition coil according to claim 2, characterized in that: the utility model discloses a closed loop, including closed loop (6), mounting bracket (15) and stationary blade (18), mounting bracket (15) all are connected with installing support (15), installing support (15) are including preforming (16), backing sheet (17) and stationary blade (18), preforming (16), backing sheet (17) and stationary blade (18) connect gradually and form "Z" shape structure, preforming (16) set up in the top of closed loop (6), and its downside is equipped with fixed pin (19), first mounting hole (13) are passed in fixed pin (19), and its end connection has fixed head (20), be equipped with third mounting hole (21) on stationary blade (18).

4. An electric injection motorcycle inductive ignition coil according to claim 3, characterized in that: and one side of the pressing sheet (16) far away from the supporting sheet (17) is provided with a clamping sheet (22), and the clamping sheet (22) and the supporting sheet (17) are both abutted against the closed loop (6).

5. An electric injection motorcycle inductive ignition coil according to claim 1, characterized in that: the magnetic core (1) and the closed strip (5) are formed by overlapping more than ten layers of silicon steel sheets, and two adjacent layers of silicon steel sheets are in gapless fit connection with each other.

6. An electric injection motorcycle inductive ignition coil according to claim 5, characterized in that: one side of every layer of silicon steel sheet is provided with bellying (23), and the opposite side is provided with and corresponds depressed part (24) of bellying (23), and adjacent two-layer silicon steel sheet passes through bellying (23) and depressed part (24) and rivets the coincide each other, bellying (23) direction and the bellying (23) of closed strip (5) of magnetic core (1) are opposite setting.

7. An electric injection motorcycle inductive ignition coil according to claim 5, characterized in that: the thickness of each layer of silicon steel sheet is 1 MM.

8. An electric injection motorcycle inductive ignition coil according to claim 1, characterized in that: the diameter of the primary coil (2) is 0.5MM, and the number of turns of the primary coil is between 100 and 200 turns, and the diameter of the secondary coil (3) is 0.05MM-0.1MM, and the number of turns of the secondary coil is between 8000 and 18000 turns.

9. An electric injection motorcycle inductive ignition coil according to claim 3, characterized in that: the surface of the mounting bracket (15) is galvanized.

10. An electric injection motorcycle inductive ignition coil according to claim 1, characterized in that: the interior of the shell (4) is filled with high-pressure-resistant epoxy resin.

Technical Field

The invention relates to the technical field of igniters, in particular to an inductance type ignition coil of an electronic injection motorcycle.

Background

The conventional inductance type ignition coil magnetic core of an electronic injection motorcycle in the existing market is generally in a single-bar structure, the structure is an open magnetic circuit structure, magnetic leakage is severe after magnetic energy storage, and the magnetic core is seriously interfered by the earth magnetic field during sudden release, eddy current loss is more, and the conversion efficiency is low.

The electric spraying motorcycle inductance type ignition coil and the motorcycle capacitance type ignition coil have completely different working principles, the motorcycle capacitance type ignition coil converts pulse alternating current voltage (200V-250V) output by a motorcycle igniter into high voltage (2 ten thousand volts-3 ten thousand volts), an iron core does not store magnetic energy in the conversion process, and only simply generates induction high voltage in the same period, the mode is that low voltage alternating current is converted into high voltage alternating current, the working mode of the electric spraying motorcycle inductance type ignition coil is that a primary coil is controlled by an ECU (electronic spraying core component) central processing unit to be conducted to a negative electrode in a first period, 12V direct current generates magnetic field energy and stores the magnetic field energy in the middle iron core, and the ECU gives a control signal in a second period, so that the magnetic energy stored in the iron core is subjected to mutation and is released, and a secondary coil generates induction high voltage of about 4 ten thousand volts to output, the mode is that low-voltage direct current is converted into high-voltage alternating current, the working mode has higher requirement on the closing of the iron core, each overlapped piece is required to be in complete contact at a connecting interface, and an air gap is not allowed to be reserved.

The square structure that is that capacitanc ignition coil adopted in the patent of (201120141899.0) adopts and utilizes the rivet to rivet other semi-ring iron core to bar both ends and can only accomplish upper and lower two silicon steel sheet reliable contacts and all the other several pieces can't accomplish the close contact and left great space on original bar iron core, if inductance type ignition coil also adopts this structure will lead to the electric injection type motorcycle inductance type ignition coil charge time longer, the ignition energy release is not concentrated, can not produce higher voltage and electric current, easily produce high temperature, the power consumption is higher and make the motorcycle battery produce serious insufficient current phenomenon.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the inductance type ignition coil of the electronic injection type motorcycle, which has attractive appearance and compact structure, can effectively prevent magnetic leakage, has higher conversion efficiency and can generate higher voltage and current.

The technical scheme adopted by the invention is as follows:

the utility model provides an electricity spouts type motorcycle inductance type ignition coil, including the magnetic core, around primary on the magnetic core and set up in the secondary in the primary outside, the secondary outside is equipped with the shell, the magnetic core is "U" font setting, and its open end is connected with closed strip, and constitute the closed loop of "mouth" font structure with closed strip, the magnetic core includes interior portion and sets up in the external portion of shell one side, the tip of exterior portion and the tip of interior portion all are equipped with first lug, one side of closed strip is equipped with first recess, the inboard of first recess is equipped with the second lug, the outside of first lug is equipped with the second recess, first lug passes through mortise-tenon joint with first recess, the second lug passes through mortise-tenon joint with the second recess.

Preferably, the two sides of the closed loop are provided with first mounting holes, the middle of the closed loop is provided with a second mounting hole, and the second mounting hole is arranged on the outer portion.

As preferred, the both sides of closed loop all are connected with the installing support, and the installing support includes preforming, backing sheet and stationary blade, and preforming, backing sheet and stationary blade connect gradually and form "Z" shape structure, and the preforming sets up in the top of closed loop, and its downside is equipped with the fixed pin, and first mounting hole is passed to the fixed pin, and its end connection has the fixed head, is equipped with the third mounting hole on the stationary blade.

Preferably, one side of the pressing sheet, which is far away from the supporting sheet, is provided with a clamping sheet, and the clamping sheet and the supporting sheet are both abutted to the closed loop.

Preferably, the magnetic core and the closing bar are formed by overlapping more than ten layers of silicon steel sheets, and two adjacent layers of silicon steel sheets are in gapless fit connection with each other.

Preferably, one side of each layer of silicon steel sheet is provided with a protruding portion, the other side of each layer of silicon steel sheet is provided with a recessed portion corresponding to the protruding portion, two adjacent layers of silicon steel sheets are riveted and overlapped with each other through the protruding portions and the recessed portions, and the protruding portion direction of the magnetic core and the protruding portion of the closing strip are arranged in an opposite mode.

Preferably, the thickness of each layer of silicon steel sheet is 1 MM.

Preferably, the primary coil has a diameter of 0.5MM and a number of turns between 100-.

Preferably, the surface of the mounting bracket is galvanized.

Preferably, the interior of the housing is filled with a high pressure resistant epoxy.

The invention has the beneficial effects that:

this electricity spouts type motorcycle inductance type ignition coil passes through first lug and first recess mortise-tenon joint, and second lug and second recess mortise-tenon joint, make every silicon steel sheet can both closely laminate, and magnetic core and closed strip one-to-one, form closed loop structure, improve conversion efficiency, prevent the magnetic leakage, ignition energy release is more concentrated and can produce higher voltage and electric current, the appearance is pleasing to the eye, compact structure, the single back surge that does not have of sine wave waveform that produces during discharge, and mounting process is simple, more be fit for automatic mass production.

Drawings

Fig. 1 is a schematic view of the installation of a magnetic core.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of the connection of the magnetic cores.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural diagram of the present invention.

Fig. 6 is a schematic view of the attachment of the mounting bracket.

Fig. 7 is a cross-sectional view at B-B in fig. 5.

In the figure: 1. a magnetic core; 2. a primary coil; 3. a secondary coil; 4. a housing; 5. a closing strip; 6. closed loop; 7. an internal part; 8. an external portion; 9. a first bump; 10. a first groove; 11. a second bump; 12. a second groove; 13. a first mounting hole; 14. a second mounting hole; 15. mounting a bracket; 16. tabletting; 17. a support sheet; 18, fixing the sheet; 19. a fixing pin; 20. a fixed head; 21. a third mounting hole; 22. a clamping piece; 23. a boss portion; 24. a recessed portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an electricity spouts type motorcycle inductance type ignition coil, includes magnetic core 1, surrounds primary coil 2 on magnetic core 1 and sets up in the secondary coil 3 in the primary coil 2 outside, its characterized in that: the 3 outsides of secondary coil are equipped with shell 4, magnetic core 1 is "U" font setting, and its open end is connected with closed strip 5, and constitute closed loop 6 of "mouth" font structure with closed strip 5, magnetic core 1 includes interior portion 7 and sets up in the external portion 8 of shell 4 one side, the tip of external portion 8 and the tip of internal portion 7 all are equipped with first lug 9, one side of closed strip 5 is equipped with first recess 10, the inboard of first recess 10 is equipped with second lug 11, the outside of first lug 9 is equipped with second recess 12, first lug 9 passes through mortise-tenon joint with first recess 10, second lug 11 passes through mortise-tenon joint with second recess 12.

For convenience of installation, in the present embodiment, it is preferable that the closed loop 6 is provided with first installation holes 13 on both sides, and a second installation hole 14 is provided in the middle of the closed loop, and the second installation hole 14 is provided on the outer portion 8.

In order to further facilitate the installation and make the structure more stable, in this embodiment, preferably, both sides of the closed loop 6 are connected with the installation support 15, the installation support 15 includes a pressing sheet 16, a supporting sheet 17 and a fixing sheet 18, the pressing sheet 16, the supporting sheet 17 and the fixing sheet 18 are sequentially connected to form a "Z" shaped structure, the pressing sheet 16 is disposed on the top of the closed loop 6, and a fixing pin 19 is disposed on the lower side of the pressing sheet, the fixing pin 19 passes through the first installation hole 13, and the end of the fixing sheet is connected with a fixing head 20, a third installation hole 21 is disposed on the fixing sheet 18, so as to be fixedly connected to the outside of the fixing sheet 18, the pressing sheet 17 is connected with the pressing sheet 16, the closed loop 6 is pressed by the pressing sheet 16, the installation of the closed loop 6 is more stable, the closed loop 6 is further.

In order to further stabilize the structure, in this embodiment, it is preferable that a clamping piece 22 is disposed on a side of the pressing piece 16 away from the supporting piece 17, and both the clamping piece 22 and the supporting piece 17 are abutted against the closed loop 6, so as to clamp the closed loop 6 through the clamping piece 22 and the supporting piece 17, further prevent the closed loop 6 from shifting in the horizontal direction, and further stabilize the structure.

In order to improve the conversion efficiency, prevent magnetic leakage and concentrate the ignition energy release, in this embodiment, preferably, the magnetic core 1 and the closing bar 5 are formed by overlapping ten or more layers of silicon steel sheets, and two adjacent layers of silicon steel sheets are in gapless joint connection with each other.

In order to make each silicon steel sheet can both closely laminate, in this embodiment, preferably, one side of every layer of silicon steel sheet is provided with bellying 23, and the opposite side is provided with the depressed part 24 that corresponds bellying 23, and adjacent two-layer silicon steel sheet passes through bellying 23 and the mutual riveting coincide of depressed part 24, and the bellying 23 direction of magnetic core 1 is opposite setting with the bellying 23 of closing strip 5.

In order to improve the conversion efficiency, in the present embodiment, it is preferable that the thickness of each silicon steel sheet is 1 MM.

In order to improve the conversion efficiency, in the present embodiment, it is preferable that the diameter of the primary coil 2 is 0.5MM, and the number of turns thereof is between 100 and 200 turns, and the diameter of the secondary coil 3 is 0.05MM to 0.1MM, and the number of turns thereof is between 8000 and 18000 turns.

In order to protect the mounting bracket 15 from corrosion and make it more aesthetically pleasing, in the present embodiment, it is preferable that the surface of the mounting bracket 15 is galvanized.

In order to make the internal structure of the housing 4 more stable and improve heat resistance and electrical insulation, in the present embodiment, it is preferable that the inside of the housing 4 is filled with high-pressure-resistant epoxy resin.

The working principle and the using process of the invention are as follows: winding a primary coil 2 on a primary framework, leaving a square through hole at the center of the primary framework, winding a secondary coil 3 on a secondary framework, assembling the primary framework and the secondary framework, putting the assembled primary framework and secondary framework into a shell 4, directly pouring a high-voltage insulating epoxy resin material, and after bubbles are extracted in a vacuum state, promoting epoxy curing through high temperature.

Next, the built-in part 7 of the magnetic core 1 is pressed into the square hole of the semi-finished product by using a clamp, then two ends of the closing strip 5 are pressed into the interface of the magnetic core 1 by using a special clamp to form an air-gap-free connection mode, wherein the magnetic core 1 is arranged in a U shape, the closing strip 5 is arranged in a straight shape, and is in mortise-tenon connection with the first groove 10 through the first bump 9, and the second bump 11 is in mortise-tenon connection with the second groove 12, so that the magnetic core 1 and the closing strip 5 form a closed loop 6 with a structure in a shape of a Chinese character 'kou'.

The magnetic core 1 and the closed strip 5 are formed by overlapping ten layers of silicon steel sheets, the thickness of each layer of silicon steel sheet is 1MM, two adjacent layers of silicon steel sheets are in gapless fit connection with each other, one side of each layer of silicon steel sheet is provided with a convex part 23, the other side of each layer of silicon steel sheet is provided with a concave part 24 corresponding to the convex part 23, the two adjacent layers of silicon steel sheets are riveted and overlapped with each other through the convex part 23 and the concave part 24, the direction of the convex part 23 of the magnetic core 1 is opposite to that of the convex part 23 of the closed strip 5, so that each layer of silicon steel sheet can be tightly fitted, the magnetic core and the closed strip correspond one to form a closed loop structure, the conversion efficiency is improved, the magnetic leakage is prevented, the ignition energy is released more intensively and can generate higher voltage and current, the appearance is attractive and compact, the sine wave generated during discharging has no back shock wave, the installation process is simple, and these concave and convex shapes can be closely attached to each other.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.