CN204423145U - A kind of signal supervisory instrument of engine electric-controlled system - Google Patents
A kind of signal supervisory instrument of engine electric-controlled system Download PDFInfo
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- CN204423145U CN204423145U CN201520126616.3U CN201520126616U CN204423145U CN 204423145 U CN204423145 U CN 204423145U CN 201520126616 U CN201520126616 U CN 201520126616U CN 204423145 U CN204423145 U CN 204423145U
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Abstract
The utility model relates to a kind of signal supervisory instrument of engine electric-controlled system, comprises panel, electronic component standing groove, control panel, display screen, power end, signal end, test side, function declaration draw-in groove; Electronic component standing groove, control panel, display screen, power end, signal end, test side and function declaration draw-in groove are positioned on panel, one end of power end, signal end, electronic component standing groove and display screen are all electrically connected with control panel, and this display screen is for showing data and the waveform of electronic component detection; The other end of electronic component standing groove and test side are electrically connected.Can realize in detection, teaching and examination process, pick-up unit is removable flexibly, easy to use, be convenient for changing detecting element, portable beneficial effect.
Description
Technical field
The utility model relates to a kind of signal supervisory instrument of electric-control system, particularly relates to a kind of signal supervisory instrument of automotive electronic control system system.
Background technology
In prior art, the detection of each electronic original part of car engine electronic control system, teaching and examination are implemented, mainly contains two kinds of modes.One is real vehicle on-line checkingi; Another kind is the checkout and diagnosis test-bed comprising engine electric-controlled system.There is following shortcoming in real vehicle on-line checkingi: 1, real vehicle purchasing price is higher; 2, the rat tail of electronic original part to be checked can frequently be disassembled or puncture to real vehicle on-line checkingi, owing to detecting, imparting knowledge to students and frequent operation in examination process, comparatively large to the damage of connector and wire harness, brings operation and maintenance cost higher.3, due to real vehicle characteristics of compact layout, inconvenient operation when electronic original part detects.
Find by prior art documents, publication number is the Chinese utility model patent " intelligentized engine practice-training teaching checking device " of CN202268121U, it comprises operation detection platform and engine two parts composition, under engine, engine pedestal is set, and be also arranged in the supporting fuel tank of engine and automobile storage battery on engine pedestal, and LCDs is provided with by support on engine pedestal, operation detection platform bottom is provided with display engine interior structure and the mainframe box of computer and the keyboard support of holding keyboard that engine failure are carried out to check function.This utility model adopts engine material object to detect the inner structure showing engine with computer display screen, intuitively can show, be easy to operator and understand engine interior structure.But engine electric-controlled system detects stand, there is following shortcoming: 1, engine detects stand is the stand fixedly mounted, in detection, teaching and examination process, be not easy to disassemble, and re-assembly, allow operator understand connected mode and the course of work of each electronic component; 2, its structure fixing seal, parting blocking can not detect, imparts knowledge to students and examination; 3, the data of some electronic component can not repetitive operation at short notice, realizes different excitation inputs.Such as cooling-water temperature sensor, after engine pedestal running, one group of operator completes detection, water temperature reaches normal working temperature, next group operator then cannot detect cooling-water temperature sensor along with temperature and raise, the change procedure of output voltage signal, is unfavorable for detecting, teaching or examination use.
Utility model content
For the problem of prior art, the purpose of this utility model is the signal supervisory instrument providing a kind of engine electric-controlled system, it can realize in detection, teaching and examination process, and pick-up unit is removable flexibly, easy to use, be convenient for changing detecting element, portable beneficial effect.
For achieving the above object, the signal supervisory instrument of a kind of engine electric-controlled system of the present utility model adopts following technical scheme:
Comprise panel, electronic component standing groove, control panel, display screen, power end, signal end, test side, function declaration draw-in groove; Electronic component standing groove, control panel, display screen, power end, signal end, test side and function declaration draw-in groove are positioned on panel, one end of power end, signal end, electronic component standing groove and display screen are all electrically connected with control panel, and this display screen is for showing data and the waveform of electronic component detection; The other end of electronic component standing groove and test side are electrically connected.
Preferably, also comprise external power supply and ECU, described power end and external power supply are detachably electrically connected, and signal end, test side are all detachably electrically connected with ECU.
Preferably, be also provided with circuit protection device, one end of this circuit protection device is connected with power end, and its other end is connected with control panel, for realizing overvoltage protection.
Preferably, function declaration draw-in groove is provided with transparent cell lid, one end of this transparent cell lid and one end chain connection of draw-in groove, and the other end of transparent cell lid is fixed with the other end of draw-in groove and is connected.
The beneficial effects of the utility model are: adopt the utility model of said structure in detection, teaching and examination process, need not can frequently disassemble or puncture the rat tail of electronic original part to be checked; Pick-up unit is removable flexibly, easy to use, be convenient for changing detecting element, be easy to carry; The connection of display screen and control panel at other display device not external, can read data or waveform fast; This pick-up unit and ECU are detachably electrically connected, and are convenient to understand connected mode and principle of work in teaching; In pick-up unit of the present utility model, not only can carry out difference excitation input to arrange on ECU, carry out the automatically exciting to detecting element, also manual activation input can be carried out by control panel, when overall electric-control system works, overall control can be realized by ECU, also manually can be changed the input signal of each sensor by control panel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of function declaration draw-in groove in the utility model;
Fig. 3 is the Signal transmissions schematic diagram of engine electric-controlled system in the utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
With reference to Fig. 1, the signal supervisory instrument of a kind of engine electric-controlled system that the utility model provides, comprises panel 1, electronic component standing groove 2, control panel 3, display screen 4, power end 5, signal end 6, test side 7, function declaration draw-in groove 8; Electronic component standing groove 2, control panel 3, display screen 4, power end 5, signal end 6, test side 7 and function declaration draw-in groove 8 are positioned on panel 1, one end of power end 5, signal end 6, electronic component standing groove 2 and display screen 4 are all electrically connected with control panel 3, and this display screen 4 is for showing data and the waveform of electronic component detection; The other end and the test side 7 of electronic component standing groove 2 are electrically connected.
Also comprise external power supply 9 and ECU 10, described power end 5 is detachably electrically connected with external power supply 9, and signal end 6, test side 7 are all detachably electrically connected with ECU 10.
In detection, teaching and examination process, the rat tail of electronic original part to be checked can frequently be disassembled or puncture to real vehicle on-line checkingi, owing to detecting, imparting knowledge to students and frequent operation in examination process, comparatively large to the damage of connector and wire harness, bring operation and maintenance cost higher.Due to real vehicle characteristics of compact layout, inconvenient operation when electronic original part detects.Be not easy to disassemble, each for engine electric-controlled system detected electrons element extracted separately and is placed in electronic component standing groove 2 of the present utility model, carry out the Site Detection of individual electronic components, teaching and examination, easy to carry.
On this pick-up unit, display screen 4 and the connection of control panel 3, can realize not connecting external connection display equipment, directly reads and detect data and waveform.Especially for the engine electric-controlled system fault that some " have phenomenon of the failure, can't see diagnostic trouble code ", can pass through display screen 4, read failure and waveform, realize breakdown judge.Power end 5 is set, ensures that standalone module pick-up unit can be energized separately work.Signal end 6 is detachably electrically connected with the signal output part of ECU 10, receives the signal from ECU 10, carries out automatically exciting input, also can carry out manual activation input by control panel 3 or excited electrons element material object.
In teaching, pick-up unit module by communication wire connection procedure, can allow the connected mode of students electric-control system and the course of work.
Can by the operation of independently modularization pick-up unit, carry out voltage or waveform display, fault verification is got rid of, the settings such as manual activation input, and examination student is to the grasp of the understanding of electronic component principle of work, the judgement of most common failure and method for removing.
Each modular pick-up unit is interconnected by communication wire; the entirety control work of engine electric-controlled system can be realized, carry out engine electric-controlled system power-supply system, protective device, relay, ignition switch, sensor, ECU 10, the teaching of the principle of work of actuator and the judgement of most common failure and method for removing and examination.
The utility model is also provided with circuit protection device, and one end of this circuit protection device is connected with power end 5, and its other end is connected with control panel 3, for realizing overvoltage protection.
With reference to Fig. 2, function declaration draw-in groove 8 is provided with transparent cell lid 81, one end of this transparent cell lid 81 and one end chain connection of draw-in groove, the other end of transparent cell lid 81 is fixed with the other end of draw-in groove and is connected, function declaration draw-in groove 8 is set, be convenient to make its principle of work of students, when changing detected electrons element, the structure of this function draw-in groove is convenient to the replacing of function declaration card.
The course of work detecting or examine, power end 5 is connected alternating current by power lead, and display screen 4 lights.Can be controlled " the waveform display " on display screen 4 by control panel 3, and can select two kinds of modes encouraged, one is direct-drive detected electrons element, and another kind is encouraged by the brief introduction that arranges of control panel 3.Once excitation starts, the signal of detected electrons element excited target can be transferred to display screen 4, demonstrates waveform, realizes visual; The signal of detected electrons element excited target can be transferred to test side 7 simultaneously, can read identical waveform by external equipment; The signal of detected electrons element excited target can be transferred to the signal end 6 mouthfuls on pick-up unit simultaneously.
The course of work of fault verification, when pick-up unit is energized, by control panel 3, just can simulate the phenomenon of the failure of real vehicle, can carry out detecting, impart knowledge to students and examining.
With reference to Fig. 3, in actual mechanical process, the signal supervisory instrument with multiple engine electric-controlled system is connected with ECU 10 simultaneously, wherein the electronic component standing groove 2 of the signal supervisory instrument of engine electric-controlled system is interior can place but be not limited to place following several detected electrons element: key switch module, detonation sensor, vehicle speed sensor, efp module, engine oil pressure pickup, cooling-water temperature sensor, engine load sensor, intake air temperature sensor, air flow sensor, fuel injector, crankshaft position sensor, camshaft location sensing, tail gas oxygen level sensor.Each signal supervisory instrument, can, according to different vehicles, carry out changing or increasing and decreasing.The signal supervisory instrument of each engine electric-controlled system can carry out testing and examining independently, by wiring, each pick-up unit can be linked together again, realize the analog detection of engine electric-controlled system, teaching and examination, signal transmission to ECU 10, is controlled fuel injector, boost electromagnetic valve, indicating fault, oil pump, ignition coil work by ECU 10 by the pick-up unit that above-mentioned different electronic component is formed.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (4)
1. a signal supervisory instrument for engine electric-controlled system, comprises panel, electronic component standing groove, control panel, display screen, power end, signal end, test side, function declaration draw-in groove; Described electronic component standing groove, control panel, display screen, power end, signal end, test side and function declaration draw-in groove are positioned on panel, one end of described power end, signal end, electronic component standing groove and display screen are all electrically connected with control panel, and this display screen is for showing data and the waveform of electronic component detection; The other end of electronic component standing groove and test side are electrically connected.
2. the signal supervisory instrument of a kind of engine electric-controlled system as claimed in claim 1, it is characterized in that: also comprise external power supply and ECU, described power end and external power supply are detachably electrically connected, and signal end, test side are all detachably electrically connected with ECU.
3. the signal supervisory instrument of a kind of engine electric-controlled system as claimed in claim 1, is characterized in that: be also provided with circuit protection device, and one end of this circuit protection device is connected with power end, and its other end is connected with control panel, for realizing overvoltage protection.
4. the signal supervisory instrument of a kind of engine electric-controlled system as claimed in claim 1, it is characterized in that: described function declaration draw-in groove is provided with transparent cell lid, one end of this transparent cell lid and one end chain connection of draw-in groove, the other end of transparent cell lid is fixed with the other end of draw-in groove and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126616.3U CN204423145U (en) | 2015-03-04 | 2015-03-04 | A kind of signal supervisory instrument of engine electric-controlled system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126616.3U CN204423145U (en) | 2015-03-04 | 2015-03-04 | A kind of signal supervisory instrument of engine electric-controlled system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204423145U true CN204423145U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520126616.3U Expired - Fee Related CN204423145U (en) | 2015-03-04 | 2015-03-04 | A kind of signal supervisory instrument of engine electric-controlled system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656639A (en) * | 2015-03-04 | 2015-05-27 | 广东交通职业技术学院 | Signal detection device for engine electronic control system |
-
2015
- 2015-03-04 CN CN201520126616.3U patent/CN204423145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656639A (en) * | 2015-03-04 | 2015-05-27 | 广东交通职业技术学院 | Signal detection device for engine electronic control system |
| CN104656639B (en) * | 2015-03-04 | 2018-05-29 | 广东交通职业技术学院 | A kind of signal supervisory instrument of engine electric-controlled system |
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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: 20150624 Termination date: 20180304 |