CN201265474Y

CN201265474Y - Automobile ignition coil

Info

Publication number: CN201265474Y
Application number: CNU2008200531458U
Authority: CN
Inventors: 罗和平; 寻健
Original assignee: CHANGSHA AOSKY AUTO PARTS Co Ltd
Current assignee: CHANGSHA AOSKY AUTO PARTS Co Ltd
Priority date: 2008-05-14
Filing date: 2008-05-14
Publication date: 2009-07-01
Anticipated expiration: 2018-05-14

Abstract

The utility model discloses an automobile ignition coil which comprises a housing, a low-voltage connector, a low-voltage winding connected with the low-voltage connector, a high-voltage head and a high-voltage winding connected with the high-voltage head. The main body of the housing is cylindrical, and the upper end is provided with the low-voltage connector; a cylindrical inner core is sequentially sleeved with the columnar high-voltage winding, the columnar low-voltage winding and an outer core from inside to outside, and then is arranged in the housing to be sealed with insulating cement, and the outer core can be wrapped at the outer part of the housing; the high-voltage head is arranged at the lower end of the housing, and the lower end of the high-voltage head is provided with a connecting device connected with the input end of a spark plug; one end of a rubber sleeve is connected with the housing and tightly sleeved with the outer part of the high-voltage head, and the other end of the rubber sleeve is provided with a hollow cavity used for the arrangement of the spark plug. The ignition coil has low energy loss, reliable ignition, reasonable structure and low cost.

Description

Automobile ignition coil

Technical field

The utility model relates to automobile igniter, specifically, is a kind of spark coil that is applicable to the petrol engine electric injection system.

Background technique

Automobile is the main traffic tool of current society, plays a part very important in people's daily life.The spark coil of domestic production at present remains the dry type spark coil that needs high voltage wire to connect, be divided into single head dry type spark coil and bull dry type spark coil, the structure of single head dry type spark coil is referring to Fig. 1, comprise mounting hole 10, Low-voltage socket 20, shell 30, high-head 40, winding and iron core 80 in the shell 30, single head dry type spark coil is by high voltage wire 50 and spark plug 60, distributor 70 links to each other, because at high-head 40, need between distributor 70 split fire heads and the spark plug 60 could realize igniting by the connection of high voltage wire 50, energy is through the transmission of a plurality of links, make energy loss big, and have big electromagnetic interference, cause igniting unstable.

Bull dry type spark coil is mainly used in distributorless ignition sytem, but still needs the connection of high voltage wire, and very big energy loss is still arranged; In addition, bull dry type spark coil is responsible for simultaneously to several cylinder igniting, as long as wherein 1 coil damage will cause whole coil to scrap.

The epoxy resin glue of above-mentioned single head and bull dry type coil, enamel covered wire large usage quantity had both increased cost of production, caused the significant wastage of resource again.

Summary of the invention

In order to solve the defective that prior art exists, the purpose of this utility model provides little, reliable, rational in infrastructure, the lower-cost automobile ignition coil of lighting a fire of a kind of energy loss.

For achieving the above object, the technical solution adopted in the utility model is: automobile ignition coil, low pressure winding, high-head that comprises shell, low voltage connector and be connected and the high pressure winding that is connected, described housing main body is cylindrical, last end device low voltage connector; From inside to outside, iron core and tubular high pressure winding, tubular low pressure winding, outer iron core are nested in regular turn in the column, install in described shell and the embedding sealing compound, and outer iron core also can wrap in housing exterior; High-head is installed on the shell lower end, and the high-head lower end is provided with the connection set with the spark plug input end, rubber sleeve one termination enclosure and tight cover high-head outside, and rubber sleeve the other end cavity is used for the device spark plug.

As a kind of improvement of the present utility model, end device mounting hole on the described shell.Spark coil is fixed on the motor car engine.

As a kind of improvement of the present utility model, described shell neck suit rubber pad seals, and mainly is that waterproof and dustproof and anti-foreign matter drop in the cylinder body.

As a kind of optimal way of the present utility model, described low voltage connector can adopt Low-voltage socket.

As a kind of optimal way of the present utility model, the connection set of described high-head lower end and spark plug input end adopts collar or snap ring.

Adopt spark coil of the present utility model, volume is little, and is in light weight, and it directly is inserted on the cylinder spark plug, and each cylinder is inserted one, direct ignition.Its shell upper end is directly injected in the automobile engine cylinder-body with the bottom, and described shell upper end is beyond cylinder body.Low voltage connector links to each other with automobile 12V power plug, and Low-voltage socket also links to each other with the low pressure winding of enclosure, makes 12V change high pressure more than the 30KV into by the high pressure winding.The high-head of high pressure winding connection directly is connected the generation spark ignition with the spark plug in the engine cylinder-body, this coil belongs to direct ignition or straight connection type igniting, and no longer need high voltage wire, split fire head and other electrode, thereby greatly reduced the loss of energy, it is more reliable than existing spark coil to light a fire.

The utility model has following characteristics compared to existing technology: 1, saved in the distributor between the split fire head and other electrode and the energy loss of high voltage wire; 2. avoided the bull spark coil simultaneously to the drawback of 2 cylinder igniting, it is more reliable to light a fire; 3, owing to need not the split fire head and the other gaps between electrodes of distributor of distributor, also need not high voltage wire, thereby reduced electromagnetic interference; If 4 coils damage, only just the single cylinder coil damages, and can not influence other cylinder coil and damage, and has reduced cost, has avoided unnecessary waste; 5, because volume is little, the epoxy resin glue and the enamel covered wire of use are few, have saved cost, have reduced resource loss.The utility model is described in further detail below in conjunction with the drawings and specific embodiments:

Description of drawings

Fig. 1 is an existing product single head dry type ignition coil structure schematic representation;

Fig. 2 is a structural representation of the present utility model.

Embodiment

Referring to Fig. 2, automobile pen-type ignition coil of the present utility model, mainly by mounting hole 1, Low-voltage socket 2, shell 3, rubber pad 4, iron core and winding 5, rubber sleeve 6, high-head 7 is formed.On motor car engine, Low-voltage socket 2 links to each other with automobile 12V power plug mounting hole 1 construction bolt with coil stationary, and Low-voltage socket 2 is positioned at shell 3 upper ends, links to each other with the low pressure winding of shell 3 inside.Iron core and winding 5 are nested in regular turn and are constituted by iron core in the column and tubular high pressure winding, tubular low pressure winding, tubular outer iron core from inside to outside.And encapsulated epoxy resin makes it fixing, and plays the insulation purpose.High-head 7 device is in iron core and winding 5 lower ends, and rubber pad 4 is enclosed within the shell neck, and rubber sleeve 6 connects shell 3 and tightly is enclosed within on the high-head 7, plays insulation and guiding function, prevents that on the one hand high-head and spark plug place high pressure are to the creepage and loss of energy of cylinder body.Guiding coil high-head is connected with spark plug when coil is inserted cylinder body on the one hand.This coil is by high pressure winding transformation, makes 12V change the above high pressure of 30KV into and delivers to high-head 7, and the collar of high-head 7 lower ends directly is connected the generation spark ignition with the input end of spark plug 8, and no longer needs high voltage wire, distributor.The input end of spark plug 8 is enclosed within the cavity of rubber sleeve 6 lower ends.

The above-mentioned mode of execution that the utility model is described only is for the technical solution of the utility model clearly is described, and can not be interpreted as the utility model is made any restriction.The utlity model has known multiple alternative or distortion, under the prerequisite that does not break away from the utility model essential meaning, all fall into protection domain of the present utility model.

Claims

1, automobile ignition coil comprises shell, low voltage connector and low pressure winding, high-head that is connected and the high pressure winding that is connected, and it is characterized in that described housing main body is cylindrical, last end device low voltage connector; From inside to outside, iron core and tubular high pressure winding, tubular low pressure winding, outer iron core are nested in regular turn in the column, install in described shell and the embedding sealing compound, and outer iron core also can wrap in housing exterior; High-head is installed on the shell lower end, and the high-head lower end is provided with the connection set with the spark plug input end, rubber sleeve one termination enclosure and tight cover high-head outside, and rubber sleeve the other end cavity is used for the device spark plug.

2, automobile ignition coil as claimed in claim 1 is characterized in that, end device mounting hole on the described shell.

3, automobile ignition coil as claimed in claim 1 or 2 is characterized in that, described shell neck suit rubber pad.

4, automobile ignition coil as claimed in claim 1 or 2 is characterized in that, described low voltage connector adopts Low-voltage socket.

5, automobile ignition coil as claimed in claim 3 is characterized in that, described low voltage connector adopts Low-voltage socket.

6, automobile ignition coil as claimed in claim 1 or 2 is characterized in that, the connection set of described high-head lower end and spark plug input end adopts collar or snap ring.

7, automobile ignition coil as claimed in claim 3 is characterized in that, the connection set of described high-head lower end and spark plug input end adopts collar or snap ring.

8, automobile ignition coil as claimed in claim 4 is characterized in that, the connection set of described high-head lower end and spark plug input end adopts collar or snap ring.

9, automobile ignition coil as claimed in claim 5 is characterized in that, the connection set of described high-head lower end and spark plug input end adopts collar or snap ring.