CN204163913U - A kind of vehicle-mounted spark coil detector - Google Patents
A kind of vehicle-mounted spark coil detector Download PDFInfo
- Publication number
- CN204163913U CN204163913U CN201420599788.8U CN201420599788U CN204163913U CN 204163913 U CN204163913 U CN 204163913U CN 201420599788 U CN201420599788 U CN 201420599788U CN 204163913 U CN204163913 U CN 204163913U
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- duty cycle
- adjustment device
- cycle adjustment
- control signal
- ignition module
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Abstract
The utility model relates to a kind of vehicle-mounted spark coil detector, be characterised in that its testing circuit comprises the generation frequency 50Hz be made up of 50Hz pulse signal generator and duty cycle adjustment device, amplitude is greater than the control signal unit of the pulse signal of 5V, ignition module and spray point, 50Hz pulse signal generator and duty cycle adjustment device connect 24V DC electrical source, the output terminal of 50Hz pulse oscillator connects the input end of duty cycle adjustment device, the control signal output terminal of duty cycle adjustment device connects igniting module control signal input end, the low pressure that the voltage output end of 24V DC electrical source is connected measured point fire coil primary air respectively with the fire signal output terminal of ignition module inputs positive terminal and negative pole end, connection measured point, spray point one end fire coil secondary winding high-voltage output end, the other end ground connection, 50Hz pulse oscillator, duty cycle adjustment device and ignition module arrange grounding end, 24V power supply is cigarette lighter power on automobile.
Description
Technical field
The utility model relates to a kind of automobile industry spark coil detection device, particularly relates to a kind of vehicle-mounted spark coil detector.
Background technique
Along with social technology expanding economy, automobile has become the important means of transportation in human economy life as manned, means of transportation, ensure the failure free operation of automobile become people in the urgent need to.The detection of spark coil is the crucial test item when getting rid of vehicle failure.At present, the detection of spark coil is all complete in car service station.But may in the wild when operating automobile is out of order, or away from the place of car service station, cannot detect in time faced with this situation and fix a breakdown, bring great inconvenience, so that cause damage the delay time at stop.But at present the spark coil detector complex structure, expensive that uses of car service station, especially adopts 220V power supply, cannot use with car.Therefore, develop a kind of can utilize the 24V power supply of cigarette lighter on automobile and body in a small amount light, structure is simple, portable vehicle-mounted spark coil detector that is low cost becomes industry concerned issue.
Model utility content
Main purpose of the present utility model is for the problems referred to above, provide a kind of utilize the 24V power supply of cigarette lighter on automobile and body in a small amount light, structure is simple, cost is low, portable vehicle-mounted spark coil detector.
The utility model solves the technological scheme that its technical problem adopts:
A kind of vehicle-mounted spark coil detector, it is characterized in that its testing circuit comprises the generation frequency 50Hz be made up of 50Hz pulse signal generator and duty cycle adjustment device, amplitude is greater than the control signal unit of the pulse signal of 5V, ignition module and spray point, described 50Hz pulse signal generator and duty cycle adjustment device connect 24V DC electrical source respectively, the pulse signal output end of 50Hz pulse oscillator connects the pulse signal input terminal of described duty cycle adjustment device, the control signal output terminal of described duty cycle adjustment device connects the control signal input end of described ignition module, the low pressure that the voltage output end of described 24V DC electrical source and the fire signal output terminal of ignition module are connected measured point fire coil primary air respectively inputs positive terminal and low pressure inputs negative pole end, the secondary winding high-voltage output end of connection measured point, one end fire coil of described spray point, the other end ground connection of spray point, 50Hz pulse oscillator, duty cycle adjustment device and ignition module all arrange grounding end.
Described 24V power supply is the cigarette lighter power on automobile.
The beneficial effects of the utility model are: directly power owing to adopting the 24V power supply of cigarette lighter on automobile, fundamentally solve the region restricted problem of test site, directly power supply can be connected at any time from the cigarette lighter car, thus the fault in automobile running is got rid of in time, rapidly, for traveler brings convenience the loss also avoiding causing because of the vehicle failure delay time at stop.Whole apparatus structure is simple, and cost is low, is convenient to realize, and body is light in a small amount, easily portably uses conveniently; Especially control signal unit have employed 555 intergrated circuit of universal mature, and this chip performance is stablized, reliable operation, provides guarantee for improving detection efficiency.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the circuit structure diagram of control signal unit in Fig. 1.
In figure: 1 control signal unit, 2 ignition modules, 3 spray points, 4 measured point fire coils.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment
Fig. 1 illustrates a kind of vehicle-mounted spark coil detector, it is characterized in that its testing circuit comprises the generation frequency 50Hz be made up of 50Hz pulse signal generator and duty cycle adjustment device, amplitude is greater than the control signal unit 1 of the pulse signal of 5V, ignition module 2 and spray point 3, described 50Hz pulse signal generator and duty cycle adjustment device connect 24V DC electrical source respectively, the pulse signal output end of 50Hz pulse oscillator connects the pulse signal input terminal of described duty cycle adjustment device, the control signal output terminal 11 of described duty cycle adjustment device connects the control signal input end 21 of described ignition module 2, the low pressure that the voltage output end of described 24V DC electrical source and the fire signal output terminal 22 of ignition module are connected measured point fire coil primary air respectively inputs positive terminal 41 and inputs negative pole end 42 with low pressure, the secondary winding high-voltage output end 43 of connection measured point, one end fire coil of described spray point 3, the other end ground connection of spray point, 50Hz pulse oscillator, duty cycle adjustment device and ignition module all arrange grounding end, and as shown in fig. 1, the grounding end 12 of duty cycle adjustment device, grounding end 23, the 50Hz pulse oscillator of ignition module connect OV end and the grounding end of 24V DC electrical source.Above-mentioned 24V power supply is the cigarette lighter power on automobile.
Above-mentioned ignition module is the M010 type ignition module that company of Rehabilitation of Shenzhen produces.
As shown in Figure 2, above-mentioned control signal unit 1 comprises 50Hz pulse oscillator and duty cycle adjustment device two-part, be made up of IC 1, IC2 and respective peripheral component resistance, electric capacity, potentiometer and diode thereof respectively, IC 1, IC2 all have employed commercially available 555 intergrated circuit.Its working principle is as follows: 24V power supply gives two 555 integrated circuit, in 50Hz pulse oscillator, IC 1 produces 50Hz square wave oscillator signal, potentiometer W4, W1, resistance R1, R2, diode D1, electric capacity C1, the wiring pin 2 of C2 and IC 1, 6, 7 composition charge-discharge circuits, and produce a 50Hz pulse control signal at the signal output connection pin 3 of IC 1, this control signal is by electric capacity C10, resistance R4, diode D2 is coupled to the wiring pin 2 of the IC 2 of duty cycle adjustment device, in duty cycle adjustment device, potentiometer W2, resistance R8, electric capacity C5, the wiring pin 6 of C6 and IC 2, 7 composition charge-discharge circuits, according to the requirement of different measured points fire coil, the pulse width of control signal is changed by the value of potentiometer W2, and produce a satisfactory pulse signal of width at the signal output part wiring pin 3 of IC 2, this pulse signal is by triode Q1, it is 50Hz that Q2 and the protective circuit be made up of electric capacity C11 and reference diode D3 export a frequency at control signal output terminal 11, amplitude is greater than 5V, the satisfactory control signal of pulsewidth, and then be transferred to the control signal input end 21 of ignition module 2, and flow to spark coil 4 by the fire signal output terminal 22 of ignition module, ignition module 2 is the circuit based on pliotron BG, control signal input end 21 connecting triode BG base stage, fire signal output terminal 22 connecting triode BG collector electrode, above-mentioned control signal inputs from triode BG base stage, the fire signal being supplied to spark coil 4 is obtained from the fire signal output terminal 22 of collector electrode and ignition module, thus the work of control point fire coil.
In practical application, arrange voltmeter V and power switch K in 24V power circuit, load in plastic shell cabinet by control signal element circuit plate 1, ignition module 2, voltmeter V, power switch K and the spray point 3 be oppositely arranged are arranged on cabinet panel.As shown in Figure 1, cabinet panel also arranges+the 24V connecting cigarette lighter power and holds seat 51, grounding end seat 52, connect+24V voltage end the seat 53 of measured point fire coil 4 low voltage winding positive terminal 41, connect the fire signal end seat 54 of measured point fire coil 4 low voltage winding negative pole end 42, connect the spray point high-voltage signal end seat 55 of measured point fire coil high-voltage output end 43.Directly power owing to adopting the 24V power supply of cigarette lighter on automobile, fundamentally solve the region restricted problem of test site, directly power supply can be connected at any time from the cigarette lighter car, without the need to arranging the device such as transformer, stable-pressure device, whole apparatus structure is simple, and cost is low, is convenient to realize, and body is light in a small amount, easily portably use conveniently; Especially control signal unit have employed 555 intergrated circuit of universal mature, and this chip performance is stablized, reliable operation, provides guarantee for improving detection efficiency.
Working procedure of the present utility model and principle:
By the low voltage winding positive terminal 41 of measured point fire coil 4, negative pole end 42 and high-voltage output end 43 access vehicle-mounted spark coil detector, connect cigarette lighter 24V power supply, turn on the power switch K, the low pressure input positive terminal 41 of measured point fire coil primary air connects 24V power supply with control signal unit 1, it is 50Hz that control signal unit 1 produces frequency, amplitude is greater than 5V, the satisfactory control signal of pulsewidth, this control signal is transferred to the control signal input end 21 of ignition module 2, fire signal is produced at the fire signal output terminal 22 of ignition module 2, be connected to the low pressure input negative pole end 42 of measured point fire coil 4.Now, observe spray point 3, if spray point is normally struck sparks continuously, without cutoff, illustrate that spark coil normally, if discontinuous sparking or cutoff, illustrates that spark coil damages.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to the structure of model utility.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (2)
1. a vehicle-mounted spark coil detector, it is characterized in that its testing circuit comprises the generation frequency 50Hz be made up of 50Hz pulse signal generator and duty cycle adjustment device, amplitude is greater than the control signal unit of the pulse signal of 5V, ignition module and spray point, described 50Hz pulse signal generator and duty cycle adjustment device connect 24V DC electrical source respectively, the pulse signal output end of 50Hz pulse oscillator connects the pulse signal input terminal of described duty cycle adjustment device, the control signal output terminal of described duty cycle adjustment device connects the control signal input end of described ignition module, the low pressure that the voltage output end of described 24V DC electrical source and the fire signal output terminal of ignition module are connected measured point fire coil primary air respectively inputs positive terminal and low pressure inputs negative pole end, the secondary winding high-voltage output end of connection measured point, one end fire coil of described spray point, the other end ground connection of spray point, 50Hz pulse oscillator, duty cycle adjustment device and ignition module all arrange grounding end.
2. the vehicle-mounted spark coil detector of one according to claim 1, is characterized in that described 24V power supply is the cigarette lighter power on automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599788.8U CN204163913U (en) | 2014-10-17 | 2014-10-17 | A kind of vehicle-mounted spark coil detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599788.8U CN204163913U (en) | 2014-10-17 | 2014-10-17 | A kind of vehicle-mounted spark coil detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204163913U true CN204163913U (en) | 2015-02-18 |
Family
ID=52537609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599788.8U Withdrawn - After Issue CN204163913U (en) | 2014-10-17 | 2014-10-17 | A kind of vehicle-mounted spark coil detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204163913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265541A (en) * | 2014-10-17 | 2015-01-07 | 天津市新阳汽车电子有限公司 | Vehicle-mounted detector for ignition coil |
-
2014
- 2014-10-17 CN CN201420599788.8U patent/CN204163913U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265541A (en) * | 2014-10-17 | 2015-01-07 | 天津市新阳汽车电子有限公司 | Vehicle-mounted detector for ignition coil |
| CN104265541B (en) * | 2014-10-17 | 2016-05-11 | 天津市新阳汽车电子有限公司 | A kind of vehicle-mounted ignition coil detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |