CN205823531U - A kind of automobile ignition coil igniting test circuit - Google Patents
A kind of automobile ignition coil igniting test circuit Download PDFInfo
- Publication number
- CN205823531U CN205823531U CN201620689365.4U CN201620689365U CN205823531U CN 205823531 U CN205823531 U CN 205823531U CN 201620689365 U CN201620689365 U CN 201620689365U CN 205823531 U CN205823531 U CN 205823531U
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- resistance
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- input
- audion
- ignition coil
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Abstract
This utility model belongs to test device technique field, particularly relate to a kind of automobile ignition coil igniting test circuit, including signal source U1, DCPS digitally controlled power source E1, sampling resistor VR1, the first igniting test cell and the second igniting test cell, this utility model solves that intelligence degree is low, poor stability, be not suitable for the problem of the on-line checking of ignition coil, has practicality, improves the stability of circuit, improves the safety of circuit, improves automatization's performance of device, is applicable to produce in enormous quantities and the on-line checking Advantageous Effects of processing.
Description
Technical field
This utility model belongs to test device technique field, particularly relates to a kind of automobile ignition coil igniting test circuit.
Background technology
At present, along with the extensive application of Ignition, the requirement of parts each to electronic ignition system the most more comes
The highest, ignition coil is directly connected to the operating mode of automobile as the vitals of Automotive Electronic Ignition System, its performance, therefore must
The ignition function of palpus accurately test point fire coil, sets up strict product export touchstone, at present, China's automobile ignition coil
The domestic on-line testing equipment of system is many based on retrospective installation, and domestic detection equipment is less, and import equipment is expensive, its
Intelligence degree is the highest, and therefore development has automatization, intelligentized car engine ignition coil measurement system is scientific research people
The direction that member makes great efforts, prior art exists that intelligence degree is low, poor stability, be not suitable for the asking of on-line checking of ignition coil
Topic.Summary of the invention
This utility model provides a kind of automobile ignition coil igniting test circuit, existing to solve in above-mentioned background technology
Prior art exists that intelligence degree is low, poor stability, the problem that is not suitable for the on-line checking of ignition coil.
This utility model is solved the technical problem that and is realized by the following technical solutions: this utility model provides a kind of vapour
Car ignition coil test circuit, including signal source (U1), DCPS digitally controlled power source (E1), sampling resistor (VR1), the first igniting test
Unit and second igniting test cell, described first igniting test cell include ignition coil (T1), resistance (R11～R16), three
Pole pipe (S11), diode (D11), high-voltage probe (P1), described second igniting test cell includes ignition coil (T2), resistance
(R21～R26), audion (S21), diode (D21), high-voltage probe (P2)；
The outfan of described DCPS digitally controlled power source (E1) is output in the input of sampling resistor (VR1), described sampling resistor (VR1)
Outfan be output in the secondary input of ignition coil (T1), the secondary output end of described ignition coil (T1) is output in three poles
Managing the colelctor electrode of (S11) and be connected to the positive pole of diode (D11), the negative pole of described diode (D11) is connected to audion
(S11) emitter stage, the emitter stage of described audion (S11) is output in the input of resistance (R15), described resistance (R15)
Output head grounding, the outfan of described high-voltage probe (P1) is output in input and the input of resistance (R16) of resistance (R11)
End, the output head grounding of described resistance (R16), the primary that the outfan of described resistance (R11) is output in ignition coil (T1) is defeated
Entering end, the primary output terminal of described ignition coil (T1) is output in the input of resistance (R12), the output of described resistance (R12)
End ground connection, an outfan of described signal source (U1) be output in the base stage of audion (S11) and the input of resistance (R13) with
And the input of resistance (R14), the outfan of described resistance (R13) is output in the colelctor electrode of audion (S11), described resistance
(R14) outfan is output in the emitter stage of audion (S11)；
The outfan of described sampling resistor (VR1) is output in the secondary input of ignition coil (T2), described ignition coil
(T2) secondary output end is output in the colelctor electrode of audion (S21) and is connected to the positive pole of diode (D21), described diode
(D21) negative pole is connected to the emitter stage of audion (S21), and the emitter stage of described audion (S21) is output in resistance (R25)
Input, the output head grounding of described resistance (R25), the outfan of described high-voltage probe (P2) is output in the defeated of resistance (R21)
Entering the input of end and resistance (R26), the output head grounding of described resistance (R26), the outfan of described resistance (R21) is output in
The primary input terminal of ignition coil (T2), the primary output terminal of described ignition coil (T2) is output in the input of resistance (R22),
The output head grounding of described resistance (R22), another outfan of described signal source (U1) is output in the base stage of audion (S21)
With input and the input of resistance (R24) of resistance (R23), the outfan of described resistance (R23) is output in audion
(S21) colelctor electrode, the outfan of described resistance (R24) is output in the emitter stage of audion (S21).
Further, described resistance (R15) and resistance (R25) are for current-limiting protection.
Further, described resistance (R16) and resistance (R26) are used for the electric discharge of high-voltage probe.
The beneficial effects of the utility model are:
1 this patent uses the outfan of described DCPS digitally controlled power source (E1) to be output in the input of sampling resistor (VR1), described in adopt
The outfan of sample resistance (VR1) is output in the secondary input of ignition coil (T1), the secondary output of described ignition coil (T1)
End is output in the colelctor electrode of audion (S11) and is connected to the positive pole of diode (D11), and the negative pole of described diode (D11) is even
Being connected to the emitter stage of audion (S11), the emitter stage of described audion (S11) is output in the input of resistance (R15), described electricity
The output head grounding of resistance (R15), the outfan of described high-voltage probe (P1) is output in input and the resistance of resistance (R11)
(R16) input, the output head grounding of described resistance (R16), the outfan of described resistance (R11) is output in ignition coil
(T1) primary input terminal, the primary output terminal of described ignition coil (T1) is output in the input of resistance (R12), described resistance
(R12) output head grounding, an outfan of described signal source (U1) is output in base stage and the resistance of audion (S11)
(R13) input and the input of resistance (R14), the outfan of described resistance (R13) is output in the collection of audion (S11)
Electrode, the outfan of described resistance (R14) is output in the emitter stage of audion (S11), in use, due to sampling resistor
(VR1) electric current flows into the secondary of ignition coil (T1) through its outfan, and the secondary electric current of ignition coil (T1) is through audion
(S11) flowing into current-limiting resistance (R15), the electric current of current-limiting resistance (R15) flows into ground, when the high voltage of high-voltage probe (P1) loads on
During the input of resistance (R11), the electric current in resistance (R11) flows at the beginning of the primary of ignition coil (T1), ignition coil (T1)
Electric current in Ji flows into resistance (R12), and the electric current in resistance (R12) flows to ground, in like manner, due to the electric current of sampling resistor (VR1)
Flow into the secondary of ignition coil (T2) through its outfan, the secondary electric current of ignition coil (T2) flows into limit through audion (S21)
Leakage resistance (R25), the electric current of current-limiting resistance (R25) flows into ground, when the high voltage of high-voltage probe (P2) loads on resistance (R21)
During input, the electric current in resistance (R21) flows into the primary of ignition coil (T2), the electric current stream in the primary of ignition coil (T2)
Enter resistance (R22), the electric current in resistance (R22) flow to namely when high pressure acts on primary coil, on secondary coil
Sampling resistor is for differentiating the voltage of ignition coil, thus the ignition ability of test point fire coil, therefore so that igniting test electricity
Road has more practicality.
2 this patents use described resistance (R15) and resistance (R25) for current-limiting protection, due to the effect of current-limiting resistance, make
Electric current in secondary coil not over rated current so that circuit will not burn because of secondary current over range, carry
The high stability of circuit.
3 this patents use described resistance (R16) and resistance (R26) to be used for the electric discharge of high-voltage probe, owing to high-voltage probe exists
Have no progeny in pass, the impact of parasitic capacitance, and its stored charge can come together in high-voltage probe, if discharged not in time, can cause people or wealth
Thing is electrically shocked, and for avoiding this problem, needs discharge resistance to release unnecessary stored charge, and then improves the safety of circuit
Property.
4 this patents use the outfan of described DCPS digitally controlled power source (E1) to be output in the input of sampling resistor (VR1), described in adopt
The outfan of sample resistance (VR1) is output in the secondary input of ignition coil (T1), owing to circuit is at high-end laying sampling resistor,
Improve the common mode rejection ratio of circuit, simultaneously because have sampling resistor to provide sampled voltage, sampled voltage may be used for digital-to-analogue
Digital water transfer after conversion and numerical analysis, improve automatization's performance of device.
5 this patents are owing to having automatic detection function, and efficiency is high, real-time is good, are particularly well-suited to produce in enormous quantities and add
The on-line checking of work.
Accompanying drawing explanation
Fig. 1 is the electrical schematic diagram of a kind of automobile ignition coil of this utility model igniting test circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
In figure: U1-signal source, E1-DCPS digitally controlled power source, VR1-sampling resistor, T1-ignition coil, R11～R16-resistance,
S11-audion, D11-diode, P1-high-voltage probe, T2-ignition coil, R21～R26-resistance, S21-audion, D21-bis-
Pole is managed, P2-high-voltage probe.
Embodiment:
The present embodiment includes: a kind of automobile ignition coil igniting test circuit, it is characterised in that include signal source U1, number
Control power supply E1, sampling resistor VR1, the first igniting test cell and the second igniting test cell, described first igniting test cell
Including ignition coil T1, resistance R11～R16, audion S11, diode D11, high-voltage probe P1, described second igniting test is single
Unit includes ignition coil T2, resistance R21～R26, audion S21, diode D21, high-voltage probe P2；
The outfan of described DCPS digitally controlled power source E1 is output in the input of sampling resistor VR1, the output of described sampling resistor VR1
End is output in the secondary input of ignition coil T1, and the secondary output end of described ignition coil T1 is output in the collection of audion S11
Electrode and be connected to the positive pole of diode D11, the negative pole of described diode D11 is connected to the emitter stage of audion S11, and described three
The emitter stage of pole pipe S11 is output in the input of resistance R15, the output head grounding of described resistance R15, described high-voltage probe P1's
Outfan is output in input and the input of resistance R16 of resistance R11, the output head grounding of described resistance R16, described resistance
The outfan of R11 is output in the primary input terminal of ignition coil T1, and the primary output terminal of described ignition coil T1 is output in resistance
The input of R12, the output head grounding of described resistance R12, an outfan of described signal source U1 is output in audion S11's
Base stage and the input of resistance R13 and the input of resistance R14, the outfan of described resistance R13 is output in audion S11's
Colelctor electrode, the outfan of described resistance R14 is output in the emitter stage of audion S11；
The outfan of described sampling resistor VR1 is output in the secondary input of ignition coil T2, described ignition coil T2's
Secondary output end is output in the colelctor electrode of audion S21 and is connected to the positive pole of diode D21, the negative pole of described diode D21
Being connected to the emitter stage of audion S21, the emitter stage of described audion S21 is output in the input of resistance R25, described resistance
The output head grounding of R25, the outfan of described high-voltage probe P2 is output in input and the input of resistance R26 of resistance R21,
The output head grounding of described resistance R26, the outfan of described resistance R21 is output in the primary input terminal of ignition coil T2, described
The primary output terminal of ignition coil T2 is output in the input of resistance R22, the output head grounding of described resistance R22, described signal
Another outfan of source U1 is output in the base stage of audion S21 and the input of resistance R23 and the input of resistance R24,
The outfan of described resistance R23 is output in the colelctor electrode of audion S21, and the outfan of described resistance R24 is output in audion S21
Emitter stage.
Described resistance R15 and resistance R25 is used for current-limiting protection.
Described resistance R16 and resistance R26 is for the electric discharge of high-voltage probe
Operation principle: this patent is output in the input of sampling resistor (VR1) by the outfan of described DCPS digitally controlled power source (E1)
End, the outfan of described sampling resistor (VR1) is output in the secondary input of ignition coil (T1), described ignition coil (T1)
Secondary output end is output in the colelctor electrode of audion (S11) and is connected to the positive pole of diode (D11), described diode (D11)
Negative pole be connected to the emitter stage of audion (S11), the emitter stage of described audion (S11) is output in the input of resistance (R15)
End, the output head grounding of described resistance (R15), the outfan of described high-voltage probe (P1) is output in the input of resistance (R11)
With the input of resistance (R16), the output head grounding of described resistance (R16), the outfan of described resistance (R11) is output in igniting
The primary input terminal of coil (T1), the primary output terminal of described ignition coil (T1) is output in the input of resistance (R12), described
The output head grounding of resistance (R12), an outfan of described signal source (U1) is output in base stage and the resistance of audion (S11)
(R13) input and the input of resistance (R14), the outfan of described resistance (R13) is output in the collection of audion (S11)
Electrode, the outfan of described resistance (R14) is output in the emitter stage of audion (S11), in use, due to sampling resistor
(VR1) electric current flows into the secondary of ignition coil (T1) through its outfan, and the secondary electric current of ignition coil (T1) is through audion
(S11) flowing into current-limiting resistance (R15), the electric current of current-limiting resistance (R15) flows into ground, when the high voltage of high-voltage probe (P1) loads on
During the input of resistance (R11), the electric current in resistance (R11) flows at the beginning of the primary of ignition coil (T1), ignition coil (T1)
Electric current in Ji flows into resistance (R12), and the electric current in resistance (R12) flows to ground, in like manner, due to the electric current of sampling resistor (VR1)
Flow into the secondary of ignition coil (T2) through its outfan, the secondary electric current of ignition coil (T2) flows into limit through audion (S21)
Leakage resistance (R25), the electric current of current-limiting resistance (R25) flows into ground, when the high voltage of high-voltage probe (P2) loads on resistance (R21)
During input, the electric current in resistance (R21) flows into the primary of ignition coil (T2), the electric current stream in the primary of ignition coil (T2)
Enter resistance (R22), the electric current in resistance (R22) flow to namely when high pressure acts on primary coil, on secondary coil
Sampling resistor is for differentiating the voltage of ignition coil, thus the ignition ability of test point fire coil, to say on the whole, this practicality is new
Type solves that intelligence degree is low, poor stability, be not suitable for the problem of the on-line checking of ignition coil, has practicality, carries
The high stability of circuit, improve circuit safety, improve automatization's performance of device, be applicable to produce in enormous quantities and
The on-line checking Advantageous Effects of processing.
Utilize the technical solution of the utility model, or those skilled in the art is in the inspiration of technical solutions of the utility model
Under, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection domain of the present utility model.
Claims (3)
1. an automobile ignition coil igniting test circuit, it is characterised in that include signal source U1, DCPS digitally controlled power source E1, sampling electricity
Resistance VR1, first igniting test cell and second igniting test cell, described first igniting test cell include ignition coil T1,
Resistance R11～resistance R16, audion S11, diode D11, high-voltage probe P1, described second igniting test cell includes igniting
Coil T2, resistance R21～resistance R26, audion S21, diode D21, high-voltage probe P2；
The outfan of described DCPS digitally controlled power source E1 is output in the input of sampling resistor VR1, and the outfan of described sampling resistor VR1 is defeated
For the secondary input of ignition coil T1, the secondary output end of described ignition coil T1 is output in the colelctor electrode of audion S11
And it being connected to the positive pole of diode D11, the negative pole of described diode D11 is connected to the emitter stage of audion S11, described audion
The emitter stage of S11 is output in the input of resistance R15, the output head grounding of described resistance R15, the output of described high-voltage probe P1
End is output in input and the input of resistance R16 of resistance R11, the output head grounding of described resistance R16, described resistance R11
Outfan be output in the primary input terminal of ignition coil T1, the primary output terminal of described ignition coil T1 is output in resistance R12
Input, the output head grounding of described resistance R12, an outfan of described signal source U1 is output in the base of audion S11
Pole and the input of resistance R13 and the input of resistance R14, the outfan of described resistance R13 is output in the collection of audion S11
Electrode, the outfan of described resistance R14 is output in the emitter stage of audion S11；
The outfan of described sampling resistor VR1 is output in the secondary input of ignition coil T2, the secondary of described ignition coil T2
Outfan is output in the colelctor electrode of audion S21 and is connected to the positive pole of diode D21, and the negative pole of described diode D21 connects
In the emitter stage of audion S21, the emitter stage of described audion S21 is output in the input of resistance R25, described resistance R25's
Output head grounding, the outfan of described high-voltage probe P2 is output in input and the input of resistance R26 of resistance R21, described
The output head grounding of resistance R26, the outfan of described resistance R21 is output in the primary input terminal of ignition coil T2, described igniting
The primary output terminal of coil T2 is output in the input of resistance R22, the output head grounding of described resistance R22, described signal source U1
Another outfan be output in the base stage of audion S21 and the input of resistance R23 and the input of resistance R24, described
The outfan of resistance R23 is output in the colelctor electrode of audion S21, and the outfan of described resistance R24 is output in sending out of audion S21
Emitter-base bandgap grading.
A kind of automobile ignition coil igniting test circuit the most according to claim 1, it is characterised in that described resistance R15
With resistance R25 for current-limiting protection.
A kind of automobile ignition coil igniting test circuit the most according to claim 1, it is characterised in that described resistance R16
With the electric discharge that resistance R26 is used for high-voltage probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689365.4U CN205823531U (en) | 2016-07-04 | 2016-07-04 | A kind of automobile ignition coil igniting test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689365.4U CN205823531U (en) | 2016-07-04 | 2016-07-04 | A kind of automobile ignition coil igniting test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205823531U true CN205823531U (en) | 2016-12-21 |
Family
ID=57566970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620689365.4U Expired - Fee Related CN205823531U (en) | 2016-07-04 | 2016-07-04 | A kind of automobile ignition coil igniting test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205823531U (en) |
-
2016
- 2016-07-04 CN CN201620689365.4U patent/CN205823531U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200704 |