CN87108250A

CN87108250A - Multi-point spark spacer for ic engine

Info

Publication number: CN87108250A
Application number: CN87108250.0A
Authority: CN
Inventors: 王正中
Original assignee: Rongcheng County Supply And Marketing Cooperative Import Vehicle Repair Factory
Current assignee: Rongcheng County Supply And Marketing Cooperative Import Vehicle Repair Factory
Priority date: 1987-10-20
Filing date: 1987-10-20
Publication date: 1988-07-27
Also published as: CN1004820B

Abstract

Multi-point spark spacer for ic engine respectively covers stacked installation on body, is respectively equipped with centre electrode and lateral electrode group, and each transmission shaft is tightened to integral body by same shaft axis, and split fire head is installed respectively.Each centre electrode is connected by resistance, has avoided effectively because of spark plug no flashover, makes high-tension electricity not constitute the loop, and the burn out point fire coil.Be provided with spark plug working state surveillance device simultaneously, can monitor the working state of spark plug at any time.Increase ignition energy, shortened rapid combustion period, fuel is fully burned, reduced fuel consumption, improved exhaust gas composition, reduced exhaust pollution, improved the power performance of internal-combustion engine.

Description

The present invention relates to the distributor, particularly spark-ignition internal combustion engine of the igniting of each cylinder sequence of internal-combustion engine, the multi-point spark spacer for ic engine that a plurality of spark plug moment lights a fire simultaneously in each single cylinder.

As everyone knows, the internal-combustion engine of general spark ignition uses, and only is equipped with the single-point fire distributor of a spark plug at each single cylinder.Be to improve ignition energy, promote burning, improve engine power performance, reduce fuel consumption, improve the exhaust composition, reduce exhaust pollution, the distributor that each single cylinder is equipped with two or more spark plugs occurred.Japanese patent gazette, special permission disclose clear 57-119169 and the open 57-210167 of special permission respectively openly and narrated a kind of, on the big pitch circle of distributor cap and little pitch circle, arrange corresponding lateral electrode group respectively, two spark plugs that same cylinder is equipped with, by the distributor of the acquisition of the lateral electrode on big pitch circle and little pitch circle high-tension electricity, this distributor diameter is big respectively, be not easy to install, can not transform existing single-point fire distributor, poor for applicability, the cost height.Because the lateral electrode mutual spacing of arranging on big pitch circle and the little pitch circle on the distributor cap is from very near, during wet weather, be easy to produce the arcing phenomenon between two lateral electrodes of facing mutually, cause spark plug work confusion, not only make the internal-combustion engine cisco unity malfunction, and gas engine part is damaged.U. S. Patent uSP3938489 discloses and has narrated a kind of, has two signal generator for ignition, at the distributor of the instantaneous generation fire signal of difference.This distributor only is applicable to two cylinder rotary motors.

Above-mentioned distributor in case centre electrode breaks down between spark plug, causes spark plug no flashover, makes high-tension electricity can not form the loop, is easy to the burn out point fire coil, and the operator also is difficult to differentiate to the working state of each spark plug.

The objective of the invention is, provide a kind of diameter little, be convenient to install, regulate, can assemble use mutually with existing single-point fire distributor, applicability is strong, cost is low, can not produce the arcing phenomenon between lateral electrode, the operator is easy to differentiate each spark plug working state, the multi-point spark spacer for ic engine that a plurality of spark plug of each single cylinder moment lights a fire simultaneously.

For achieving the above object, feature of the present invention is: distributor respectively covers 2,7 stacked installations on body 10, is respectively equipped with

centre electrode

3,19 and

lateral electrode group

1,6, and each

transmission shaft

11,14 is tightened to integral body by same shaft axis, and split

fire head

12,15 is installed respectively.

Body 10 of the present invention can adopt existing each single cylinder to be provided with the body of the single-point fire distributor of a spark plug, helps transforming the single-point fire distributor that existing each single cylinder of internal-combustion engine is provided with a spark plug, and applicability is strong, and cost is low.Distributor respectively covers 2,7 stacked installations on body 10, and diameter is little, is convenient to the installation of whole distributor, help transforming existing single-point fire distributor, prevented effectively simultaneously, because the lateral electrode mutual spacing of arranging on big pitch circle and the little pitch circle on the distributor cap is from closely, and the arcing phenomenon that produces.Body 10 and lid 7, lid 7 can be solid with fastening chucking with lid 2, and fastening card can be a spring clip 9, also can be fastening with screw.Every layer of lid 2,7 is provided with

centre electrode

3,19 and

lateral electrode group

1,6, and each layer lid 2,7 centre electrodes that are provided with 3,19 are furnished with

corresponding spark coil

23,26 respectively, can access enough high-tension electricities to guarantee each centre electrode 3,19.Each

layer centre electrode

3,19

leans carbon

5,17 on the

tinsel

13,16 that is provided with on the corresponding

split fire head

12,15 separately by

spring

4,18 respectively, to transmit high-tension electricity.Each layer lid 2,7 centre electrodes that are provided with 3,19 usefulness high voltage wires 25 are connected, just the secondary winding high-tension electricity output terminal in the

spark coil

23,26 is connected, can avoid

centre electrode

3,19 to break down between spark plug, spark plug no flashover, cause high-tension electricity not constitute the loop, and burn out point fire coil 23,26.Under the spark plug normal working, for making high-tension electricity flow to the

centre electrode

3,19 that corresponding separately lid 2,7 is provided with by

spark coil

23,26 regularly, the unlikely mutual flow phenomenon of high-tension electricity that causes is provided with damping resistor 24 at 25 of high voltage wires that connect centre electrode 3,19.During the spark plug proper functioning, because the damping function of resistance 24, high-tension electricity flows to the

centre electrode

3,19 that corresponding separately lid 2,7 is provided with by the secondary winding high-voltage output end of spark coil 23,26.In case the centre electrode that certain one deck covers breaks down between spark plug, and cause spark plug no flashover, high-tension electricity is promptly by connecting

centre electrode

3,19 high voltage wire 25, through resistance 24, flow to the centre electrode that another layer covers, corresponding lateral electrode in tinsel that another layer split fire head is provided with and lateral electrode group, flow to corresponding spark plug, the high-tension electricity of this spark plug is nearly doubled, both reached the purpose of strengthening ignition energy in the same cylinder, avoided effectively because of high-tension electricity does not constitute the loop again, and the phenomenon that causes spark coil to burn.Light a fire simultaneously in order to be easy to regulate in the same cylinder a plurality of spark plug moment, each layer lid 2,7 centre electrodes that are provided with 3,19,

corresponding spark coil

23,26 can be provided with a circuit breaker 8 jointly, makes each

spark coil

23,26 high level of synchronization produce high-tension electricity.Each

spark coil

23,26 also can be respectively equipped with

circuit breaker

8,21 separately, the corresponding separately

spark coil

23,26 of independent respectively control.Not produce spark between the contact or weaken spark in order to make, make the contact not have ablation phenomenon or minimizing ablation phenomenon, and the decay of quickening primary current and magnetic flux, improve secondary voltage and spark energy, between circuit breaker 8 contacts, electronic arc-suppressor 22 in parallel, also can be between contact breaker points shnt capacitor, this is known.Each layer lid 2,7

corresponding transmission shaft

11,14 and split

fire heads

12,15 of being respectively equipped with, each

transmission shaft

11,14 is tightened to integral body by same shaft axis, split

fire head

12,15 is installed, guaranteed that split

fire head

12,15 can rotate synchronously, make the lateral electrode among the

lateral electrode group

1,6 that corresponding successively each layer lid 2,7 of

tinsel

13,16 that each layer split

fire head

12,15 be provided be provided with, guarantee in the same cylinder that a plurality of spark plug moment lights a fire simultaneously.Each

layer transmission shaft

11,14 can be made semicircle with axle head, pegs graft whole with

split fire head

12,15 close-fittings of making semicircle center hole; The axle head of

transmission shaft

11,14 also can be made mutual close-fitting such as ellipse, hexagonal shaped with

split fire head

12,15 center holes and peg graft whole; Also can be fastened whole by split

fire head

12,15 center positioning holes with key, screw;

Transmission shaft

11,14 can also be made integral body, each layer split

fire head

12,15 is sleeved on the transmission shaft, and be fastening with key, screw.Each layer lid 2,7, split

fire head

12,15, the high insulating material of

transmission shaft

11,14 usefulness are made, and this is known.In order to make the instantaneous simultaneous ignition of a plurality of spark plug height in the same cylinder, except each

transmission shaft

11,14 are tightened to integral body by same shaft axis, make each

split fire head

12,15 high level of synchronization rotation and adopt a circuit breaker 8, make each

spark coil

23,26 high level of synchronization produce outside the high-tension electricity, electronic spark advance is proofreaied and correct, regulating system adopts a cover octane corrector, centrifugal electronic spark advance controlling device, vacuum firing shifts to an earlier date controlling device, proofread and correct in advance to guarantee a plurality of plug ignitions of each single cylinder, regulate highly consistent, reach a plurality of spark plug moment simultaneous ignition in the same cylinder, improve ignition energy, shorten rapid combustion period, mixed gas is fully burnt.

Because each single cylinder of internal-combustion engine adopts multi-point spark, and uses a plurality of spark plugs, the working state of each spark plug in cylinder is extremely difficult to be differentiated.For each spark plug can both be played one's part to the full, make full use of the ignition energy of each spark plug, be provided with spark plug working state surveillance device.Spark plug working state surveillance device is made up of resistance 29, tutorial light 31, switch 32.Tutorial light 31 can be to become light diode, Light-Emitting Diode (LED), bulb etc.Spark plug working state surveillance device can be located in each lateral electrode jack, also can be located at each lateral electrode leads to separately on the high voltage wire between corresponding spark plug 27, draw a high voltage wire 28, on the high voltage wire 28 of drawing, be provided with resistance chamber 35, mounting spring 36, resistance 29 in the resistance chamber 35, compress mutually with resistance chamber cap cap 33, and refer to lamp 31, by switch 32 control bonding with lead 30 connections.When needing to judge the spark plug working state, open switch 32, connect power supply, become optical diode if tutorial light 31 adopts, spark plug sparking is normal, becomes optical diode and is green glow; High-tension electricity is normal, and spark plug no flashover becomes optical diode and is gold-tinted; No high-tension electricity does not work by then becoming optical diode.If tutorial light 31 adopts bulb,, can judge the working state of spark plug as long as observe the brightness of bulb.As the bulb incandescent, then represent a little less than spark plug no flashover or the arcing extremely; If bulb is little bright, represent that then spark plug sparking is normal.After differentiating each spark plug working state, can off switch 32, cut off the electricity supply, tutorial light is closed.Every layer of each lateral electrode of covering among 2, the 7 lateral electrode groups that are provided with 1,6, a corresponding spark plug in each single cylinder of corresponding controlling combustion engine respectively.The low tension that provides by power supply, each spark coil 23 through circuit breaker 8 controls, 26, be elevated to the high-tension electricity that to put mixed gas in the gas cylinder, by corresponding each layer lid 2 separately, centre electrode 3 on 7,19, at transmission shaft 11, under 14 the synchronous rotation, make each layer split

fire head

12,15 corresponding successively respectively each layer lid 2, the 7 lateral electrode groups that are provided with 1, lateral electrode in 6, by

split fire head

12,15 tinsels that are provided with 13,16 send high-tension electricity to corresponding lateral electrode, send corresponding spark plug in each single cylinder to through high voltage wire 27.Realize each single cylinder while moment multi-point spark, increased ignition energy, shortened rapid combustion period, improved the power performance of internal-combustion engine, reduced fuel consumption, improved the exhaust composition, reduced exhaust emission pollution.

The present invention generally is applicable to spark-ignition internal combustion engine, can use with the assembling of existing single-point fire distributor, applicability is strong, cost is low, be convenient to install, regulate, be convenient to transform existing single-point fire internal-combustion engine, can not produce the arcing phenomenon between lateral electrode, the operator also is easy to differentiate the working state of each spark plug.Use the present invention to realize the internal-combustion engine of internal-combustion engine multi-point spark, compare with the internal-combustion engine that uses single-point fire distributor, can save fuel oil more than 10%, power performance improves more than 7%, being converted to Maximum Torque improves more than 7%, toxic emission carbon monoxide (CO) content can reduce more than 60%, hydrocarbon (HC) content, can reduce more than 50%, save fuel, improved the power performance of internal-combustion engine, reduced exhaust emission pollution.

Description of drawings:

Fig. 1 in the accompanying drawing, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 are schematic representation of the present invention, also are a kind of embodiment's schematic representation.

Fig. 1 is a plan view, Fig. 2 is the body plan view that a circuit breaker is installed, Fig. 3 is the body plan view that two circuit breakers are installed, Fig. 4 is that spark coil is equipped with and single cylinder ignition system circuti diagram, Fig. 5 is that lateral electrode is divided electricity and spark plug working state surveillance device circuti diagram, Fig. 6 is a spark plug working state surveillance device plan view, Fig. 7 is to use the present invention and the combustion engine powered performance curve comparison diagram that uses original single-point fire distributor, and Fig. 8 is to use the present invention and the internal-combustion engine economic performance curve comparison diagram that uses single-point fire distributor.

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, mark among Fig. 8 is:

lateral electrode group

1,6, lid 2,7,

centre electrode

3,19,

spring

4,18,36,

carbon

5,17,

circuit breaker

8,21, jump ring 9, body 10,

transmission shaft

11,14,

split fire head

12,15,

tinsel

13,16, wiring terminal 20, electronic arc-suppressor 22,

spark coil

23,26,

resistance

24,29,

high voltage wire

25,27,28, lead 30, tutorial light 31, switch 32, block 33, nylon jump ring 34, resistance chamber 35, KM/h is kilometer/hour, S is second, l/100KM be liter/and 100 kilometers.

Fig. 9 in the accompanying drawing, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 are another kind of embodiment's schematic representation.

Fig. 9 is to use the plan view of a circuit breaker, Figure 10 is to use the plan view of three circuit breakers, Figure 11 is that spark coil is equipped with and single cylinder ignition system circuti diagram, Figure 12 is that lateral electrode is divided electricity and spark plug working state surveillance device circuti diagram, Figure 13 is to use the present invention and the combustion engine powered performance curve comparison diagram that uses original single-point fire distributor, and Figure 14 is to use the present invention and the internal-combustion engine economic performance curve comparison diagram that uses original single-point fire distributor.

Mark among Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 is:

lateral electrode group

1,3,8,

lid

2,4,9,

centre electrode

5,16,26,

spring

6,17,25,

carbon

7,18,24,

circuit breaker

10,27,28, body 11,

transmission shaft

12,15,21,

split fire head

13,20,22,

tinsel

14,19,23, electronic arc-suppressor 29,

spark coil

30,33,36,

resistance

31,34,38,

high voltage wire

32,35,40, switch 37, tutorial light 39, KM/h are kilometer/hour, S is second, l/100KM be liter/and 100 kilometers.

Embodiment one, and the Fig. 1 in the accompanying drawing, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 are the schematic representation of present embodiment.The body 10 of multi-point spark spacer for ic engine, " card star " board (the И ISSA И that adopts Japanese Nissan motor corporation to produce.H40。The z22 type) 2.75 tons of trucies, the body of the single-point fire distributor of the four-cylinder internal combustion engine of use (z22 type).Former transmission shaft 11 is constant on the body 10, and first layer split fire head 12 center upper and lower surfaces respectively are provided with a flange, and a semicircle orifice is respectively established at the flange center of upper and lower surface.The semicircle spindle nose close-fitting that the semicircle orifice and the transmission shaft 11 at split fire head 12 lower flange centers are installed former split fire head is pegged graft.First layer lid 7 is assemblied on the body 10, with original jump ring 9 chuckings.Centre electrode 3 is inserted by the side of lid 7, and is downward through the top, by spring 4 carbon 5 leaned on the tinsel 13 that split fire head 12 end faces are provided with.The tinsel 13 that split fire head 12 end faces are provided with, correspondence is located at and covers 7 inside upper part successively, is four lateral electrodes 6 of circumference uniform distribution.Four lateral electrodes 6 are told by jack on the lid 7 respectively, are connected with four corresponding four spark plugs of cylinder by high voltage wire 27.Semicircle is all made at second layer transmission shaft 14 two ends, the one end through first layer cover the circular hole at 7 centers and above the first layer split fire head 12 the semicircle orifice close-fitting at flange center peg graft, the close-fitting grafting mutually of semicircle orifice in semicircle spindle nose and former split fire head 15 lower flange of upper end, make 11,14 and two

split fire heads

12,15 of two transmission shafts connect into firm integral body, can rotate synchronously.Former distributor cap 2 is assemblied on the first layer lid 7, and tightens with jump ring.Its centre electrode 19, still by spring 18 with carbon 17, lean on the tinsel 16 that is provided with on the split fire head 15.The tinsel 16 that split fire head 15 is provided with can be corresponding successively with lid 2 four lateral electrodes 1 that are provided with, and four lateral electrodes are still by high voltage wire and four cylinders, and each self-corresponding four spark plug was connected originally.Each layer lid 2,7

centre electrodes

3,19 are furnished with a

spark coil

23,26 respectively, can access enough high-tension electricities to guarantee two centre electrodes 3,19.For avoiding

centre electrode

3,19 to break down between spark plug, high-tension electricity does not constitute the loop, and burn out

point fire coil

23,26, with two spark coils, 23,26 high-voltage output ends, lead to the high voltage wire of corresponding two

centre electrodes

3,19 separately, link together by damping resistor 24 usefulness high voltage wires 25, just two

centre electrodes

3,19 are linked together.During the spark plug proper functioning, damping resistor 24 can make two spark coils 23, the high-tension electricity of 26 high-voltage output ends, flow to corresponding separately two

centre electrodes

3,19, in case the centre electrode that certain one deck covers breaks down between spark plug, and cause spark plug no flashover, high-tension electricity promptly by centre electrode through high voltage wire 25, damping resistor 24, flow to the centre electrode that another layer covers, corresponding lateral electrode in tinsel that another layer split fire head is provided with and four lateral electrodes, the spark plug that the flow direction is connected, make the high-tension electricity of this spark plug increase nearly one times, both reached the purpose of strengthening ignition energy in the same cylinder, avoided effectively because of high-tension electricity does not constitute the loop again, and the burn out point fire coil.Two original circuit breakers 8 of

spark coil

23,26 usefulness are controlled simultaneously, produce high voltage induction to reach two spark coils, 23,26 high level of synchronization.Also a new circuit breaker 21 can be installed on original circuit breaker 8 opposites, the corresponding separately

spark coil

23,26 of independent respectively control.Not produce spark between contact breaker points or weaken spark in order to make, reduce the pitting of contact phenomenon, and the decay of quickening primary current and magnetic flux, improve secondary voltage and spark energy, between circuit breaker 8 contacts, electronic arc-suppressor 22 in parallel is connected by the movable contact of wiring terminal 20 with circuit breaker 8, through the conducting of fixed contact bonding.An original cover octane corrector, centrifugal electronic spark advance controlling device, vacuum firing shift to an earlier date controlling device and still keep original position and assembly relation, thereby make two spark plug high level of synchronization igniting of each single cylinder.Form and respectively cover 2,7 stacked installations on body 10, each

transmission shaft

11,14 is tightened to whole multi-point spark spacer for ic engine by same shaft axis.Each single cylinder one side of former internal-combustion engine (z22) has been provided with a spark plug, and only on its opposite side and the corresponding position of former fire plug, each single cylinder is established a spark plug respectively in addition, can form the dual ignition internal-combustion engine.Multi-point spark spacer for ic engine second layer lid 2, the lateral electrode in four lateral electrodes 1 on the promptly former lid 2 is corresponding with original four spark plugs respectively, and is constant with the relation that high voltage wire connects; Four lateral electrodes 6 on the first layer lid 7 are corresponding with the spark plug of new installation respectively, are connected with high voltage wire.For monitoring the working state of each spark plug, lead in each lateral electrode on the high voltage wire 27 of corresponding spark plug separately, draw a high voltage wire 28, the resistance chamber 35 made from high insulation rubber is installed, be provided with spring 36, resistance 39 in the resistance chamber 35, the block made from high insulation rubber 33 compresses mutually, and will be blocked a shot by nylon jump ring 34 33 is clamped on the resistance chamber 35, and with lead 30 resistance 29 and tutorial light 31 are linked together, by switch 32 control bonding.Tutorial light 31 adopts and becomes the light diode, becomes the light diode and is installed on the interior instrument panel of operator cabin, so that the driver monitors the working state of each spark plug at any time.When needs are judged each spark plug working state, open switch 32, be green glow if become the light diode, spark plug sparking is normal; Be gold-tinted, spark plug no flashover if become the light diode; If it is not luminous to become the light diode, the expression no current passes through.After differentiating the working state of each spark plug, off switch 32 is cut off the electricity supply, and closes to become the light diode.

Because 11,14, two

split fire heads

12,15 of two transmission shafts are tightened to integral body, under the drive of bent axle, rotation synchronously; Two

spark coils

23,26 produce high voltage induction synchronously under the control of a circuit breaker 8; And adopt one to overlap electronic spark advance correction, regulating system, thereby two spark plug high level of synchronization of each single cylinder are lighted a fire, increased ignition energy, shortened rapid combustion period, fuel is fully burned, has reduced fuel consumption, improved the exhaust composition, reduce exhaust pollution, improved the power performance of internal-combustion engine.After the entrucking, the direct high the max speed can improve 14KM/h, overdirve gear is by 30KM/h, accelerate to 70KM/h, time shortens 15S, first grade of maximum gradeability improves more than 8%, being equivalent to power performance improves more than 7%, being converted to Maximum Torque can improve more than 7%, see Fig. 7, use the present invention and the combustion engine powered performance curve comparison diagram that uses original single-point fire distributor, the top dot and dash line is for using the combustion engine powered performance curve of original single-point fire distributor, and the below solid line is for using combustion engine powered performance curve of the present invention.Can save fuel oil more than 10%, see Fig. 8, use the present invention and the internal-combustion engine economic performance curve comparison diagram that uses original single-point fire distributor, the top dot and dash line is for using the internal-combustion engine economic performance curve of original single-point fire distributor, and the below solid line is for using internal-combustion engine economic performance curve of the present invention.Carbon monoxide in the idling exhaust (CO) content can reduce more than 60%, and hydrocarbon (HC) content can reduce more than 50%, sees Table:

The former distributor the present invention of waste gas components reduces %

CO 4.7 1.8 61.7

HC 1150 570 50.43

This multi-point spark spacer for ic engine, help transforming existing single-point fire distributor, installation, easy to adjust, cost is low, can not produce the arcing phenomenon between lateral electrode, and the operator is easy to differentiate the working state of each spark plug, give full play to the ignition energy of each spark plug, improved the exhaust composition, reduced exhaust emission pollution, made the economic performance of internal-combustion engine, power performance all reach the optimum state.

Embodiment two, and the Fig. 9 in the accompanying drawing, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 are the schematic representation of present embodiment.The body 11 of multi-point spark spacer for ic engine adopts homemade liberation CA10B truck, the body of the single-point fire distributor of the six-cylinder engine of use (CA10B).Former transmission shaft 12 is constant on the body 11, and first layer split fire head 13 center upper and lower surfaces respectively are provided with a flange, and a semicircle orifice is respectively established at the flange center of upper and lower surface.The semicircle spindle nose close-fitting that the semicircle orifice and the transmission shaft 12 at split fire head 13 lower flange centers are installed former split fire head is pegged graft.First layer lid 9 is assemblied on the body 11, with original jump ring chucking.Centre electrode 5 is inserted by the side of lid 9, and is downward through covering 9 tops, by spring 6 carbon 7 leaned on the tinsel 14 that is provided with at split fire head 13 tops.The tinsel 14 that first layer split fire head 13 is provided with above, correspondence is located at and covers inside upper part successively, is six lateral electrodes 8 of circumference uniform distribution.Six lateral electrodes 8 are told by the both sides jack of lid 9 respectively, are connected with six corresponding six spark plugs of cylinder by high voltage wire 40.Cover the relative side of 9 centre electrodes 5 at first layer, be provided with second layer centre electrode 16, cover 9 tops upwards by first layer, mounting spring 17, carbon 18.Second layer split fire head 20 upper and lower surfaces are also respectively established a flange, also respectively establish a semicircle orifice at upper and lower surface flange center.Semicircle is all made at second layer transmission shaft 15 two ends, the one end covers the circular hole at 9 centers through first layer, peg graft with the semicircle orifice close-fitting at flange center above the first layer split fire head 13, the semicircle spindle nose of upper end, the semicircle orifice at the flange center below second layer split fire head 20 close-fitting is mutually pegged graft, and makes the centre electrode 16 that stretches out on the first layer lid 9, the carbon 18 of installation, lean below second layer split fire head 20, on the tinsel 19 that is provided with.Second layer lid 4 is assemblied on the first layer lid 9, tightens with spring clip.Flange above the split fire head 20 is passed by the circular hole that the second layer covers 4 centers, the tinsel 19 that split fire head 20 is provided with below, can correspondingly successively be located at and cover 4 inside upper part, six lateral electrodes 3 that are circumference uniform distribution, six lateral electrodes 3 are told by the both sides of lid 4 respectively, are connected with six corresponding six spark plugs of cylinder by high voltage wire 40.The 3rd layer of transmission shaft 21 two ends are designed to semicircle too, the semicircle orifice close-fitting at one end and second layer split fire head 20 top flange centers is pegged graft, the semicircle spindle nose of upper end and the semicircle orifice close-fitting on former split fire head 22 lower flange are pegged graft, make 12,15,21 and three

split fire heads

13,20,22 of three axles connect into firm integral body, can rotate synchronously.Former distributor cap 2 is assemblied on the second layer lid 4, and tightens with jump ring.Its centre electrode 26, still by spring 25, carbon 24 is leaned on the tinsel 23 that is provided with on the split fire head 22, the tinsel 23 that split fire head 22 is provided with, can be corresponding successively with lid 2 six lateral electrodes 1 that are provided with successively, six lateral electrodes 1 are connected with six corresponding six spark plugs of cylinder by high voltage wire.Each

centre electrode

5,16,26 is furnished with a

spark coil

30,33,36 respectively, three

spark coil

30,33,36 high-voltage output ends, lead to the high voltage wire of corresponding three

centre electrodes

5,16,26 separately, link together by

damping resistor

31,34 usefulness high voltage wires 35, just three centre electrodes, 5,16,26 usefulness high voltage wires 35 are linked together.Its working principle and connecting means are no longer described in detail with embodiment one.Three original circuit breakers 10 of

spark coil

30,33,36 usefulness are controlled simultaneously, produce high voltage induction to reach three spark coils, 30,33,36 high level of synchronization.Also can on the body 11, on the first layer lid 9, establish a

circuit breaker

10,27,28 respectively on the second layer lid 4, the corresponding separately

spark coil

30,33,36 of independent respectively control.Between circuit breaker 10 contacts, electronic arc-suppressor 29 in parallel.An original cover octane corrector, centrifugal electronic spark advance controlling device, vacuum firing shift to an earlier date controlling device, still keep original position and assembly relation, thereby make three spark plug high level of synchronization igniting of each single cylinder, form and respectively cover 2,4,9 stacked installations on body 11, each

transmission shaft

12,15,21 is tightened to whole multi-point spark spacer for ic engine by same shaft axis.On the cylinder cap of former internal-combustion engine (CA10B), former spark plug place will be installed, a car rounding dish is installed, on disk, uniform three spark plugs form the multi-point spark internal-combustion engine.Six

lateral electrodes

1,3,8 that are respectively equipped with on each layer of multi-point spark spacer for

ic engine lid

2,4,9 connect corresponding separately six spark plugs in six cylinders by high voltage wire 40 respectively.Lead in

lateral electrode

1,3,8 on the high voltage wire 40 of corresponding spark plug separately and be respectively equipped with spark plug working state surveillance device, is made up of resistance 38, tutorial light 39, switch 37, its working principle and installation method be with embodiment one, no longer detailed description.

Because 5,16,26, three

split fire heads

13,20,22 of three transmission shafts are tightened to integral body, under the drive of bent axle, rotation synchronously; Under the control of a circuit breaker 10, three

spark coils

30,33,36 produce high voltage induction synchronously; And adopt one to overlap electronic spark advance correction, regulating system, thereby three spark plug high level of synchronization of each single cylinder are lighted a fire, increased ignition energy, shortened rapid combustion period, fuel is fully burned, has reduced fuel consumption, improved the exhaust composition, reduce exhaust emission pollution, improved the power performance of internal-combustion engine.After the entrucking, the direct high the max speed can improve 7KM/h, overdirve gear is brought up to 70KM/h by 30KM/h, time has shortened 20S, first grade of maximum gradeability can improve 12%, be equivalent to power performance and improve 10%, be converted to Maximum Torque and can improve 11%, see Figure 13, use the present invention and the combustion engine powered performance curve comparison diagram that uses original single-point fire distributor, the top dot and dash line is for using the combustion engine powered performance curve of original single-point fire distributor, and the below solid line is for using the combustion engine powered performance curve of the present invention.Can save fuel oil more than 20%, see Figure 14, use the present invention and the internal-combustion engine economic performance curve comparison diagram that uses original single-point fire distributor, the top dot and dash line is for using the internal-combustion engine economic performance curve of former single-point fire distributor, and the below solid line is for using internal-combustion engine economic performance curve of the present invention.Carbon monoxide in the idling exhaust (CO) content can reduce more than 60%, and hydrocarbon (HC) content can reduce by 75%, sees Table:

The former distributor the present invention of waste gas components reduces %

CO 6.2 2.1 66.1

HC 3000 750 75

Internal combustion engine multi-point spark spacer for ic of the present invention, be conducive to transform existing single-point fire ignition distributor, installation, easy to adjust, cost is low, can not produce the arcing phenomenon between lateral electrode, and the operator is easy to differentiate the duty of each spark plug, give full play to the ignition energy of each spark plug, improved the exhaust composition, reduced exhaust emission, made the economic performance of internal combustion engine, power performance all reach optimum state.

Claims

1, a kind of multi-point spark spacer for ic engine, form by body 10, lid 2,7, transmission shaft 11,14, split fire head 12,15, circuit breaker 8, electronic spark advance correction, regulating system, it is characterized in that distributor respectively covers 2,7 stacked installations on body 10, be respectively equipped with centre electrode 3,19 and lateral electrode group 1,6, each transmission shaft 11,14 is tightened to integral body by same shaft axis, and split fire head 12,15 is installed respectively.

2, multi-point spark spacer for ic engine according to claim 1 is characterized in that the centre electrode 3,19 that said each layer lid 2,7 is provided with is furnished with corresponding spark coil 23,26 respectively.

3,, it is characterized in that centre electrode 3, the 19 corresponding spark coils 23,26 that said each layer lid 2,7 is provided with are provided with a circuit breaker 8 jointly according to claim 1,2 described multi-point spark spacer for ic engine.

4,, it is characterized in that centre electrode 3, the 19 usefulness high voltage wires 25 that said each layer lid 2,7 is provided with are connected according to claim 1,2 described multi-point spark spacer for ic engine.

5, multi-point spark spacer for ic engine according to claim 4 is characterized in that 25 of the high voltage wires of said connection centre electrode 3,19 are provided with damping resistor 24.

6, multi-point spark spacer for ic engine according to claim 1 is characterized in that said electronic spark advance correction, regulating system adopt a cover octane corrector, centrifugal electronic spark advance controlling device, vacuum firing to shift to an earlier date controlling device.

7, multi-point spark spacer for ic engine according to claim 1 is characterized in that being provided with spark plug working state surveillance device.

8, multi-point spark spacer for ic engine according to claim 7 is characterized in that said spark plug working state surveillance device is made up of resistance 29, tutorial light 31, switch 32.