A kind of ignition coil that is applied to renewable energy source power automobileTechnical field
The utility model relates to a kind of technical field of automobile engine, particularly a kind of ignition coil that is applied to renewable energy source power automobile.
Background technology
It is as more and more in the automobile of the renewable energy source powers such as ethanol that existing automobile is used instead, and this power is higher to the performance requirement of ignition coil, especially energy, heatproof, withstand voltage higher.Referring to Fig. 3, from profile, conventional ignition coil is divided into head 3 and bar portion two parts, and the junction of head 3 and bar portion is connected by rubber blanket 4 sealing transitions.Further, the inner Low-voltage socket of installing of its head 3, the inner high-low pressure winding 52 of iron core 51 being installed, being wound in iron core 51 peripheries of its bar portion, the two ends of this high-low pressure winding 52 are connected with Low-voltage socket and high-head 61 respectively, this high-head 61 and then be connected with spark plug 62.After pen-type ignition coil is arranged in automobile engine, its bar portion inserts in engine cylinder-body completely, in engine operation process, produce a large amount of heats, temperature in engine cylinder-body raises thereupon, the coil and the iron core 51 that are positioned at the high-low pressure winding 52 of bar portion will bear higher temperature, the performance of product is proposed to higher requirement, not only increased greatly production cost and the useful life of having reduced ignition coil.
Utility model content
The problem existing for prior art, the utility model aims to provide the novel ignition coil that is applied to renewable energy source power automobile that a kind of performance is higher, useful life is long.
The utility model provides a kind of ignition coil that is applied to renewable energy source power automobile, comprise that head is fixedly connected with described head and the inner bar portion mutually connecting, described head comprises shell body, be arranged at the iron core of described shell body inside, be wound in the high-low pressure winding of described iron core periphery, and the Low-voltage socket being connected with the low pressure input of described high-low pressure winding, described Low-voltage socket is outwards convexly equipped with along the inside of described shell body; Described bar portion comprises insulating sleeve and is arranged at the high-head of described insulating sleeve inside, and described high-head one end is connected with the high-voltage output end of described high-low pressure winding, and the other end is connected with the spark plug of described automobile engine.
Preferably, described bar portion also comprises spring housing, and described high-head and spark plug are fastenedly connected by described spring housing.
Preferably, described head also comprises to the installing hole of the connection neck of downward-extension and Xiang Zhouyuan extension, wherein: described connection neck is connected with the inner wall tightening of described insulating sleeve, and described ignition coil is installed on the engine of described power vehicle by installing hole.
Preferably, described shell body is prepared from by epoxide resin material.
Preferably, the epoxy resin layer of embedding for fixing and insulating between described Low-voltage socket and the low pressure input of described high-low pressure winding.
Preferably, described insulating sleeve is prepared from by elastomeric material.
Based on disclosing of technique scheme, described a kind of ignition coil that is applied to renewable energy source power automobile that the utility model provides, its high-low pressure winding and iron core are arranged in the head of this ignition coil, when use, high-low pressure winding and iron core are followed head and are exposed to cylinder body outside, without the higher temperature bearing in cylinder body, compared with prior art, greatly improve environment for use, serviceability is more stable, reliable and durable, thereby also make this ignition coil overall performance significantly improve, longer service life.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of a kind of ignition coil that is applied to renewable energy source power automobile that the utility model proposes.
Fig. 2 is that schematic diagram is looked on a left side of Fig. 1.
Fig. 3 is the structural representation of the ignition coil of prior art.
Drawing reference numeral explanation
1-head, 2-bar portion, 11-iron core, 12-high-low pressure winding, 13-Low-voltage socket, 14-shell body, 15-connects neck, 16-installing hole, 21-high-head, 22-spring housing, 23-spark plug, 24-insulating sleeve, 21-high-head.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment:
Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of ignition coil that is applied to renewable energy source power automobile, comprise that head 1 is fixedly connected with head 1 and the inner bar portion 2 mutually connecting, wherein: head 1 comprises shell body 14, be arranged at the iron core 11 of shell body 14 inside, be wound in the high-low pressure winding 12 of iron core 11 peripheries, and the Low-voltage socket 13 being connected with the low pressure input of high-low pressure winding 12, Low-voltage socket 13 is outwards convexly equipped with along the inside of shell body 14; Bar portion 2 comprises insulating sleeve 24, is arranged at the high-head 21 of insulating sleeve 24 inside, and one end of high-head 21 is connected with the high-voltage output end of high-low pressure winding 12, and the other end is connected with the spark plug 23 of automobile engine.
It should be noted that, this structure is arranged at high-low pressure winding 12 and iron core 11 in the head 1 of this ignition coil, when use, high-low pressure winding 12 is followed head 1 with iron core 11 and is exposed to cylinder body outside, without the higher temperature bearing in cylinder body, and the bar portion 2 that only has small volume is directly inserted in the cylinder body of automobile engine, compared with prior art, greatly improve the environment for use of high-low pressure winding 12 with iron core 11, serviceability is more stable, reliable and durable, thereby also make this ignition coil overall performance significantly improve, longer service life.
Preferably, bar portion 2 also comprises spring housing 22, and high-head 21 and spark plug 23 are fastenedly connected by spring housing 22, makes both contacts more firmly, reliably.
Preferably, head 1 also comprises to the installing hole 16 of the connection neck 15 of downward-extension and Xiang Zhouyuan extension, wherein: connect neck 15 and be connected with the inner wall tightening of insulating sleeve 24, ignition coil is installed on the engine of power vehicle by installing hole 16.Simple in structure, easy for installation.
Preferably, shell body 14 is prepared from by epoxide resin material, good insulation preformance.
Preferably, the epoxy resin layer of embedding for fixing and insulating between Low-voltage socket 13 and the low pressure input of high-low pressure winding 12.
Preferably, insulating sleeve 24 is prepared from by elastomeric material.Being on the one hand for sealing, is mainly that waterproof and dustproof and anti-foreign matter drop in cylinder body, plays on the other hand insulation and guiding function, prevents that high-head 21 and spark plug 23 places are to the creepage and loss of energy of cylinder body; In the time that inserting cylinder body, this ignition coil guides high-head 21 and good being connected of spark plug 23 simultaneously.
In the present embodiment, automobile power source plug is 12V voltage, Low-voltage socket 13 is inserted on this plug, voltage passes to high-low pressure winding 12 by low pressure input, high-low pressure winding 12 is connected with high-head 21, change 12V into more than 38KV high pressure, be more directly connected and produce spark ignition with the spark plug 23 in engine cylinder-body.
To sum up, a kind of ignition coil that is applied to renewable energy source power automobile of the present utility model, its high-low pressure winding 12 is arranged in the head 1 of this ignition coil with iron core 11, when use, high-low pressure winding 12 is followed head 1 with iron core 11 and is exposed to cylinder body outside, without the higher temperature bearing in cylinder body, and the bar portion 2 that only has small volume is directly inserted in the cylinder body of automobile engine, compared with prior art, greatly improve the environment for use of high-low pressure winding 12 with iron core 11, serviceability is more stable, reliable and durable, thereby also make this ignition coil overall performance significantly improve, longer service life.
By reference to the accompanying drawings the utility model is carried out to exemplary description above; obvious realization of the present utility model is not subject to the restrictions described above; as long as the various improvement that adopted technical solutions of the utility model to carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all in protection range of the present utility model.