CN2129830Y - Electronic lighter of automobile - Google Patents
Electronic lighter of automobile Download PDFInfo
- Publication number
- CN2129830Y CN2129830Y CN 92231224 CN92231224U CN2129830Y CN 2129830 Y CN2129830 Y CN 2129830Y CN 92231224 CN92231224 CN 92231224 CN 92231224 U CN92231224 U CN 92231224U CN 2129830 Y CN2129830 Y CN 2129830Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- trigger
- amplifier
- voltage
- igniter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The utility model discloses an electronic igniter of automobiles, which belongs to an igniter for automobiles. The utility model is composed of a plug (1), a platinum contact point (2), a high voltage pulse generator (3), a current limiting resistance (4), and a high voltage coil (5). The utility model is characterized in that the high-voltage pulse generator is composed of a trigger and an amplifier, and the trigger and the amplifier are DC-coupled together; the platinum contact point is arranged on the base of a Q[1], the passing current of the platinum contact point is not greater than 80MA; the trigger is provided with a reverse protection, and the amplifier is provided with a clamping protection; power supply voltage can stably work at a voltage from 8 to 20; the emitter resistance R-[5] of the trigger is made into a conductor wire through using a plastic package heating wire, and the conductor wire can be used for a connector between an igniter container and the plug.
Description
The utility model belongs to the car engine ignition device
The ignition mechanism of motor car engine is directly connected high-tension coil and is developed into systems such as electronics, photoelectricity, magnetic and make middle device from original simple platinum contact, the electric current that the platinum contact is passed through greatly descends, with the life-span of protection contact.Photoelectricity and magnetic system will change the original internal structure of automotive ignition system, and ignition can be installed in automotive interior more simply and not change the original structure of automobile, be easy to restore.
Ignition of the prior art; the main elementary pulse high current that provides that adopts high-voltage pulse generator to high-tension coil; but high-voltage pulse generator is of a great variety; complicated its reliability of form is not high relatively; and number of patent application is 88216829.0; 89216405.0; 88201296.7; 89211000.7; 90216232.2 Deng being characterized in that circuit is simpler; the paired pulses switching tube has been taked the certain protection measure; but its reliability of these protective measures is not too high; when especially car speed improves; generator voltage rises thereupon; high-power switch tube is very easily breakdown; the high energy of general ignition bears voltage and is no more than 16V; and reduce to 11V when following at voltage, its spark is unstable again, influences automobile starting.And contain electric capacity in most protective circuits; they are installed in the airtight igniter box; because be equipped with heater elements such as high-power switch tube and resistance on the igniter box, its inside temperature can reach more than 90 ℃, capacitor at high temperature very easily damages again and causes whole reliability to reduce.
The purpose of this utility model is:
A kind of new high-voltage pulse generator is provided, strengthens protection, make it energy trouble free service under high voltage device; Temperature in the reduction igniter box is to improve whole reliability.
The utility model is made up of plug 1, platinum contact 2, high-voltage pulse generator 3, current-limiting resistance 4, high-tension coil 5, it is characterized in that high-voltage pulse generator 3 of the present utility model is made up of simple trigger and amplifier.Trigger is by transistor Q
1, biasing resistance R
3, bias resistance R
4, base circuit reversal protection diode D
1, emitter-base bandgap grading reversal protection diode D
4And emitter resistance R
5Form, platinum contact 2 is connected in the base circuit and starts; Amplifier is by high voltage switch pipe Q
2, bias resistance R
1, clamp diode D
3, high voltage protective diode D
1, high-tension coil 5 primary air, current-limiting resistance 4 form, by coupling resistance R
2Do dc-couple.When the motor car engine rotation, the platinum contact is connected at a time and is made Q
1Conducting, at this moment Q
1Emitter-base bandgap grading by about 700MA electric current, its base current is only about 60MA, this has just guaranteed the not frequent spark of reason and being burnt out gradually of platinum contact.The conducting of trigger is by coupling resistance R
2Make the Q in the amplifier
2Also conducting in elementary generation one pulsed voltage of high-tension coil, through coupling, removes to light cylinder at secondary generation one stable high-voltage pulse spark.
Since the very high inverse electromotive force and the very big impulsive current of elementary generation of the high-tension coil when trigger ends in the amplifier, Q
2Very easily be damaged the clamp diode D in the utility model
3Adopt avalanche diode, both with Q
2V
CbBe clamped on safety voltage with interior with the protection Q
2Not breakdown, and the big current bypass overwhelming majority of instantaneous generation can be prevented Q
2Burnt out, facts have proved, the utility model from all producing the normal operation of stable high tension spark with the assurance automobile between 8V to 20V, and can be saved suitable gasoline at supply voltage.
R
5Be the emitter resistance in the trigger, when its resistance value is big, Q
1And Q
2Electric current too small, spark energy deficiency, and its resistance value hour, Q
1And Q
2Electric current excessive, transistor damages easily, its value is advisable at 4.5 Ω to 8 Ω.Because the electric current by it is bigger, be installed in the igniter box 6 with common resistance, to the temperature in the box be risen, this is one of key factor that influences igniter working life, so the utility model is that the resistance wire plastic packaging is made lead, be connected between joint 1 and the igniter 6 as connecting line 11, to reduce the temperature rise of igniter box 6.Owing to lacked a main heater element in igniter 6 boxes, there is not the electric capacity of poor heat stability in the circuit, so igniter box 6 can be done very for a short time in addition.
The utility model compared with prior art has the following advantages:
(1). supply voltage all can produce stable spark from 8V to 20V, guarantees the normal operation of automobile;
(2). during up to 20V, can not produce Q at supply voltage
2Puncture and burnout phenomenon;
(3). because spark is stable and intensity is big, gasoline combustion is complete, so oil-saving effect is good.
Description of drawings:
Fig. 1 is a structure connection diagram of the present utility model
1. attachment plug 6. igniter lids
7. radiating fin 8. circuit boards
9. socket 10. former igniter for automobile plugs
11. emitter resistance R is housed
5Connecting line
12. the joint of former igniter for automobile connecting line
A. black--connects power supply negative terminal B. redness--and connects power positive end
C. green--connecing the high-tension coil blue look of line D. just--connects the platinum contact
Fig. 2 is an electrical schematic diagram of the present utility model
1, attachment plug 2, platinum contact
3, high-voltage pulse generator 4, current-limiting resistance
5, high-tension coil
Q
1, trigger transistor R
3, the trigger biasing resistance
R
4, trigger bias resistance R
5, trigger emitter resistance
D
1, trigger base stage reversal protection diode
D
4, trigger emitter reversal protection diode
Q
2, amplifier switching tube R
1, amplifier bias resistance
R
2, coupling resistance D
2, amplifier be utmost point protection diode
D
3, clamp diode
Embodiment
The model of being made by the utility model technology is the ignition (Fig. 1) of DGQD-1, its circuit such as Fig. 2
By switching tube Q is arranged
2Radiating fin 7 are parts of igniter box, circuit board 6 promptly presses on wherein, has one as resistance in the connecting line 11
5Its resistance value of plastic sealed resistor silk be 4.5-8 Ω, this resistance is main heater element of the present utility model by about 700mA electric current, it is pressed on the igniter box reduce temperature in the box outward greatly, has improved the performance of igniter.
The utility model has kept the plug 10 of former igniter, when plug 1 and socket 9 join, uses ignition of the present utility model, as former plug 10 is joined with socket 9, can recover former automotive ignition system, and it is extremely convenient to use.
Its main feature is as follows:
1. operating ambient temperature is wide, can reach-40 ℃ to+90 ℃;
2. operating voltage range is big, and 8 to 20V all can work;
3. soup, improve the vehicle maximum speed, improve acceleration make overtake other vehicles comparatively easy;
4. minimizing gasoline consumption: the about 5-15% in urban district
The about 10-30% of highway.
Claims (3)
1, a kind of automotive electronic igniter is made up of plug (1), platinum contact (2), high-voltage pulse generator (3), current-limiting resistance (4) and high-tension coil (5), it is characterized in that:
(1). its high-voltage pulse generator (3) is by transistor Q
1, biasing resistance R
3, bias resistance R
4, emitter resistance R
5, reverse-phase protection diode D
1, D
4Form trigger, by coupling resistance R
2With by high voltage pulse switch pipe Q
2, bias resistance R
1, clamp diode D
3, collector electrode protection diode D
2, the amplifier formed of the elementary and current-limiting resistance (4) of high-tension coil (5) is connected;
(2). when the motor car engine rotation, the platinum contact is connected at a time and is made Q
1Conducting, trigger produce an impulsive current, by coupling resistance R
2Make the Q in the amplifier
2Also conducting, a big electric current, wash away in secondary generation one stable high-tension pulse and light cylinder through being coupled in elementary generation one pulsed voltage of high-tension coil (5);
(3) .D
1And D
4Be connected on Q separately
1Emitter-base bandgap grading and base stage on, prevent the wrong power supply and oppositely cause device failure;
(4) .D
3Be connected on Q
2Cb extremely go up, the inverse electromotive force of the elementary generation of high-tension coil is clamped on Q
2Safety voltage in the protection Q
2
(5). the emitter resistance R of amplifier
5Making lead-type resistance by the plastic sealed resistor silk is connected between plug and the heat dissipation box.
2, according to the said automotive electronic igniter of claim 1, it is characterized in that: clamp diode D
3Be to adopt avalanche diode.
3, according to the said automotive electronic igniter of claim 1, it is characterized in that: emitter resistance R
5Resistance value be 4.5 Ω to 8 Ω.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92231224 CN2129830Y (en) | 1992-08-26 | 1992-08-26 | Electronic lighter of automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 92231224 CN2129830Y (en) | 1992-08-26 | 1992-08-26 | Electronic lighter of automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2129830Y true CN2129830Y (en) | 1993-04-14 |
Family
ID=33774122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 92231224 Expired - Fee Related CN2129830Y (en) | 1992-08-26 | 1992-08-26 | Electronic lighter of automobile |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2129830Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105967964A (en) * | 2016-07-01 | 2016-09-28 | 河南国科特种装备有限公司 | Safety liquid carbon dioxide heating device |
CN110326216A (en) * | 2017-02-22 | 2019-10-11 | 康姆艾德公司 | High power amplifier circuit with protection feed circuit |
-
1992
- 1992-08-26 CN CN 92231224 patent/CN2129830Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105967964A (en) * | 2016-07-01 | 2016-09-28 | 河南国科特种装备有限公司 | Safety liquid carbon dioxide heating device |
CN110326216A (en) * | 2017-02-22 | 2019-10-11 | 康姆艾德公司 | High power amplifier circuit with protection feed circuit |
CN110326216B (en) * | 2017-02-22 | 2023-06-02 | 康姆艾德公司 | High power amplifier circuit with protection feedback circuit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |