CN107180574A - Vehicle component monomer detects circuit - Google Patents
Vehicle component monomer detects circuit Download PDFInfo
- Publication number
- CN107180574A CN107180574A CN201710482352.9A CN201710482352A CN107180574A CN 107180574 A CN107180574 A CN 107180574A CN 201710482352 A CN201710482352 A CN 201710482352A CN 107180574 A CN107180574 A CN 107180574A
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- Prior art keywords
- component
- measured
- test point
- control
- control module
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- 239000000178 monomer Substances 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 12
- 230000006399 behavior Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013024 troubleshooting Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to vehicle teaching field, a kind of vehicle component monomer detection circuit is disclosed.Vehicle component monomer detection circuit includes：Component to be measured, multiple relays, micro-control MCU, the first test point, the second test point pulls out device trigger button and control module.At least one connecting line between component to be measured and control module, relay is respectively arranged with each connection, the first test point is respectively arranged between component to be measured and each relay, the second test point is respectively arranged between control module and each relay, the control end of each relay is connected with micro-control MCU, while micro-control MCU is connected with pulling out device trigger button.Pull out appliance button triggering and pull out device signal, micro-control MCU receives this and pulls out device signal, the on off state of control relay, so as to control the break-make that circuit is connected, the DATA REASONING to component to be measured is realized in the first test point, the DATA REASONING to control module is realized in the second test point.
Description
Technical field
The present invention relates to vehicle teaching field, more particularly to vehicle component monomer detection circuit.
Background technology
Traditional auto electric diagnosis troubleshooting class teaching equipment is only supported on test panel to be carried out by test point, can only
Realize that device is detected with the related data under vehicle circuitry connection, it is difficult to accomplish only to detect (just component monomer
It is that other circuits do not have any relation to device with vehicle, is only the measurement to device body).User is needed to component monomer
When being detected, unique method is to take off target devices from vehicle, is individually tested.But, in practical application
In the frequent former car device of plug, serious damage can be caused to vehicle component plug；Further, since vehicle component is distributed in
Each corner of vehicle, swapping process is fairly cumbersome, can have a strong impact on the progress of operation.
The content of the invention
Circuit is detected it is an object of the invention to provide a kind of vehicle component monomer, by relay, micro-control MCU is pulled out
Device trigger button and control module realize that vehicle component monomer is detected.
In order to solve the above technical problems, detecting circuit, including member to be measured the invention discloses a kind of vehicle component monomer
Device, multiple relays, micro-control MCU pulls out device trigger button and control module；
Control module is used to receive the output signal from component to be measured and/or sends control letter to component to be measured
Number；
Have between component to be measured and control module be respectively arranged with least one connecting line, each connecting line one after
Electrical equipment, first test point and second test point, wherein each first test point be located at relay and component to be measured it
Between, each second test point is located between relay and control module, and the control end of each relay is connected with micro-control MCU, while micro-
Control MCU is connected with pulling out device trigger button；
Pull out appliance button triggering and pull out device signal, micro-control MCU, which is received, pulls out device signal, the on off state of control relay,
So as to control the break-make that circuit is connected, the DATA REASONING to component to be measured is realized in the first test point, it is real in the second test point
Now to the DATA REASONING of control module.
In a preference, any one that it can be following device that component to be measured, which is,：Intake air temperature sensor, oil
Door pedal, crankshaft position sensor, cooling-water temperature sensor, air throttle, lambda sensor or cooling-water temperature transmitter.
In a preference, control module is engine control module.
Embodiment of the present invention compared with prior art, at least with following difference and effect：
The invention provides a kind of skill for the vehicle component monomer detection imparted knowledge to students suitable for auto electric troubleshooting diagnostics classes
Art scheme, predominantly solves student, teacher in actual auto electric troubleshooting diagnostics classes teaching, it is necessary to each yuan of device of vehicle
The problem of part carries out monomer resistance detection after being removed.
Further, the detection method that the present invention is provided will not cause serious damage to vehicle component plug；And
For being distributed in each corner of vehicle or being inconvenient to the component that plugs, it is not necessary to carry out plug operation and can directly survey
Amount, realizes identical or even more accurately measurement effect, operating efficiency and technique effect are all carried simply and easily to operate
Rise.
Further, component to be measured of the invention is not limited to a certain vehicle component, and same method can be with
Realize the test to various components.In addition, by the control to relay switch state, event can be set to specified circuit
Barrier, realizes fault diagnosis functions.
It is appreciated that within the scope of the present invention, above-mentioned each technical characteristic of the invention and below (such as embodiment and
Example) in specifically describe each technical characteristic between can be combined with each other, so as to constitute new or preferred technical scheme.Limit
In length, no longer tire out one by one state herein.
Brief description of the drawings
Fig. 1 is vehicle component monomer detection circuit diagram；
Fig. 2 is each device connection circuit diagram in a kind of vehicle；
Fig. 3 is the pictorial diagram of general vehicle crankshaft position sensor；
Make a practical application of a principle figure of Fig. 4 crankshaft position sensors in vehicle.
Embodiment
In the following description, in order that reader more fully understands the application and proposes many ins and outs.But, this
Even if the those of ordinary skill in field is appreciated that many variations without these ins and outs and based on following embodiment
And modification, the application technical scheme claimed can also be realized.
In the application documents of the application, part concept explanation and citing：
Monomer detects that referring to other circuits of device and vehicle does not have any connection, the measurement for the device body for being only.
Micro-control MCU, i.e. micro-control unit (Microcontroller Unit；MCU), also known as one chip microcomputer
(Single Chip Microcomputer) or single-chip microcomputer, are central processing unit (Central Process Unit；
CPU frequency) and specification do appropriate reduction, and by internal memory (memory), counter (Timer), USB, A/D conversion, UART,
The perimeter interfaces such as PLC, DMA, or even LCD drive circuits are all incorporated on one chip, form the computer of chip-scale, are different
Application scenario do various combination control, such as mobile phone, PC periphery, remote control, to automotive electronics, industrial stepper motor,
Control of robotic arm etc..
The corner of crankshaft position sensor, the position for determining bent axle, that is, bent axle.It is generally mated camshaft location
Sensor works together, determines the basic ignition moment.By crankshaft position sensor, it is known which cylinder piston is in upper stop
Point, by CMPS Camshaft Position Sensor, it is known which cylinder piston is in compression stroke.So, engine computer is aware of
Which cylinder igniting when this give.
The part main points of the application are as follows:
In order to which the monomer for solving vehicle component detects the problem of being difficult in practical operation, the method being readily apparent that
It is that device chooses from vehicle individually to be detected.But in practical operation, frequently plug operation is damaged to device
Wound is serious, and some devices are distributed in each corner of vehicle, and the plug of device is difficult to, and has a strong impact on entering for operation
Degree.
This application discloses a kind of monomer detection that device is realized in the case of not unplugg, in each connection of device
Middle setting relay switch and the first test point, using the on off state of micro-control MCU control relays, when all relays are disconnected
The device is in monomer isolation when opening, and the monomer DATA REASONING to device is realized in the first test point.Further, it is also possible to logical
The on off state for crossing relay sets failure to specified circuit, realizes fault detection capability.
The technical scheme of the application is realized directly on test panel and grasped by a simple device trigger button that pulls out
Make, just realize that other circuits are fully disconnected electrical connection to component to be measured with vehicle, and then directly can be surveyed by panel first
Pilot is detected to component monomer.For example using the internal resistance of the technology for detection component, to judge the quality of device, or
It is service life.
To make the object, technical solutions and advantages of the present invention clearer, the implementation below in conjunction with accompanying drawing to the present invention
Mode is described in further detail.
Embodiments of the present invention are related to a kind of vehicle component monomer detection circuit, and Fig. 1 is the inspection of vehicle component monomer
Slowdown monitoring circuit figure, including：Component to be measured, multiple relays, micro-control MCU pulls out device trigger button and control module；
There are one or more connections between component to be measured and control module, the present invention passes through in component to be measured and control
Relay, the first test point and the second test point are set between each connection of module, wherein the first test point is located at relay
Between component to be measured, the second test point is located between relay and control module, control end and the micro-control MCU of each relay
Connection, while micro-control MCU is connected with pulling out device trigger button.
Control module is used to receive the output signal from component to be measured and/or sends control letter to component to be measured
Number；
To component to be measured carry out monomer detection when, by pull out device trigger button triggering pull out device signal and send extremely
Micro-control MCU, micro-control MCU, which receive to pull out, controls all relays to disconnect after device signal, so that component to be measured is all electric
Connection is off, and the data such as the internal resistance of component to be measured are detected in the first test point.
Component to be measured refers to the device for needing to detect on vehicle, for example：Intake air temperature sensor, gas pedal, bent axle
Position sensor, cooling-water temperature sensor, air throttle, lambda sensor, cooling-water temperature transmitter etc..
Device trigger button is pulled out, for sending an operational order to micro-control MCU, other devices can also be used to realize and referred to
Make sending function, such as d type flip flop.
In one embodiment of the invention, Fig. 2 is each device connection circuit diagram in a kind of vehicle.The circuit includes
B23F admission cam shaft position sensors, B23E exhaust cam shaft position sensors, B26 crankshaft position sensors, Q6F camshafts
Position actuator magnetic valve-air inlet, Q6E camshaft locations actuator magnetic valve-exhaust, 6 kinds of devices such as B68 detonation sensor,
Can be to any one progress monomer detection therein.Wherein control module is K20 engine control module.
In one embodiment of the invention, vehicle component to be measured is B26 crankshaft position sensors.Fig. 3 is common car
The pictorial diagram of B26 crankshaft position sensors.The sensor has three stitch, is docked with real vehicle.As shown in Fig. 2 B26 bent axles position
Three pins for putting sensor connect K20 engine control module respectively, and are respectively arranged with relay in each connection
Switch and the first test point.
Fig. 4 is make a practical application of a principle figure of the B26 crankshaft position sensors in vehicle.The feelings all closed when 3 relays
Under condition, B26 and vehicle connection are intact, and equipment carries out electrical connection with real vehicle and docked, and user can be in the first test point
The a series of detection such as the real-time voltage, waveform, resistance signal data of the signal line is conveniently measured, with acquisition device and vehicle
Data after docking.The test equipment being connected in the first test point includes but is not limited to universal meter and oscillograph.
When carrying out monomer measurement to B26 crankshaft position sensors, user pulls out device by pulling out the triggering of device trigger button
Signal, micro-control MCU, which is received, pulls out device signal, and micro-control MCU controls 3 relays all off.When 3 relays are all off
In the case of, the electrical connection of B26 crankshaft position sensors and vehicle is in completely isolated state, by measuring 3 first tests
Point, conveniently and accurately obtains the data such as the internal resistance of B26 crankshaft sensors in itself.Therefore the situation in not unplugg can be realized
Under enter line sensor monomer detection.
In one embodiment of the invention, analog sensor signal is inputted in the second test point, according to control module pair
The detection to control module is realized in the output response of the input signal.The position of second test point is as shown in Figure 1.Specifically：
Operation have analog sensor behavior simulation softward computer by an interface (such as serial ports, USB port or
Parallel port etc.) it is connected with the second test point, the control of sensor assembly is believed by this second test point receive and control module
Number, according to the output signal of the control signal analog sensor, the output signal is sent to by control mould by the second test point
Block.The output signal of the sensor of the simulation can be the analog signal of rotating speed, temperature, humidity, pressure, acceleration.By this
The mode of kind can detect the failure of control module.
In one embodiment, control module is for a given input signal, and the output that can produce a standard rings
Should, therefore the standard output of any one input signal is all to determine.For example more than the temperature of alarm temperature during input signal
Signal, then control module should export an alarm signal.And in real work, for any one input signal, control
Molding block can produce a real output signal, be contrasted by real output signal and standard output signals, it is possible to achieve to control
The detection of molding block.
It should be noted that in the application documents of this patent, such as first and second or the like relational terms are only
For an entity or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities
Or there is any this actual relation or order between operation.Moreover, term " comprising ", "comprising" or its any other
Variant is intended to including for nonexcludability, so that process, method, article or equipment including a series of key elements are not only
Including those key elements, but also other key elements including being not expressly set out, or also include being this process, method, thing
Product or the intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence " including one ", not
Also there is other identical element in the process including the key element, method, article or equipment in exclusion.The application of this patent
In file, if it is mentioned that perform certain behavior according to certain key element, then refer to the meaning that the behavior is performed according at least to the key element, wherein
Include two kinds of situations：The behavior is performed according only to the key element and the behavior is performed according to the key element and other key elements.
All documents referred in the present invention are all incorporated as reference in this application, independent just as each document
It is incorporated as with reference to such.In addition, it is to be understood that after the above-mentioned instruction content of the present invention has been read, those skilled in the art can
To be made various changes or modifications to the present invention, these equivalent form of values equally fall within the application scope claimed.
Claims (10)
1. a kind of vehicle component monomer detects circuit, it is characterised in that including component to be measured, multiple relays, micro-control
MCU, pulls out device trigger button and control module；
The control module is used to receive the output signal from the component to be measured and/or sent to the component to be measured
Control signal；
There is at least one connecting line between the component to be measured and the control module, set respectively in each connecting line
There are a relay, first test point and second test point, wherein each first test point is positioned at described
Between relay and the component to be measured, each second test point is located between the relay and the control module,
The control end of each relay is connected with the micro-control MCU, while the micro-control MCU pulls out device trigger button company with described
Connect；
It is described to pull out appliance button triggering and pull out device signal, the micro-control MCU receive it is described pull out device signal, control the relay
On off state, so as to control the break-make of circuit connection, realized in first test point to the component to be measured
DATA REASONING.Analog sensor signal is accessed in second test point, the DATA REASONING to the control module is realized.
2. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the component to be measured is bent
Shaft position sensor.
3. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the component to be measured is bent
Shaft position sensor or cooling-water temperature sensor.
4. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the component to be measured be into
Gas temperature sensor or gas pedal air throttle.
5. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the component to be measured is oxygen
Sensor or cooling-water temperature transmitter.
6. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the second test point connection
The equipment for producing the analog sensor signal.
7. vehicle component monomer according to claim 6 detects circuit, it is characterised in that the equipment is to calculate
Machine or signal generator.
8. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the analog sensor signal
Produced by simulation software.
9. vehicle component monomer according to claim 1 detects circuit, it is characterised in that the control module is to start
Machine control module.
10. vehicle component monomer according to claim 1 detects circuit, it is characterised in that first test point with
Test the external equipment connection of internal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482352.9A CN107180574B (en) | 2017-06-22 | 2017-06-22 | Single detection circuit for vehicle components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482352.9A CN107180574B (en) | 2017-06-22 | 2017-06-22 | Single detection circuit for vehicle components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107180574A true CN107180574A (en) | 2017-09-19 |
| CN107180574B CN107180574B (en) | 2023-04-21 |
Family
ID=59844491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710482352.9A Active CN107180574B (en) | 2017-06-22 | 2017-06-22 | Single detection circuit for vehicle components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107180574B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441208A (en) * | 2022-01-26 | 2022-05-06 | 北京奕斯伟计算技术有限公司 | Test assembly, test system, test method, and storage medium |
| CN114973817A (en) * | 2021-02-20 | 2022-08-30 | 北京兰德适普科技有限公司 | Intelligent networking automobile sensor teaching system |
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| JP2002142772A (en) * | 2000-11-09 | 2002-05-21 | Toyota Central Res & Dev Lab Inc | Method for stabilizing peroxidase; peroxidase mutant, protein, dna, vector and transformed cell; and method for manufacturing protein |
| CN204596310U (en) * | 2015-04-09 | 2015-08-26 | 北京电子科技职业学院 | A kind of engine failure setting and test macro |
| CN205068147U (en) * | 2015-10-20 | 2016-03-02 | 北京融世杰机械设备有限公司 | Multi -functional detection of on -vehicle computer platform |
| CN105676840A (en) * | 2016-02-24 | 2016-06-15 | 王志欣 | Tester for automotive electronic control system and testing method thereof |
| CN207441064U (en) * | 2017-06-22 | 2018-06-01 | 上海景格科技股份有限公司 | Vehicle component monomer detection circuit |
-
2017
- 2017-06-22 CN CN201710482352.9A patent/CN107180574B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002142772A (en) * | 2000-11-09 | 2002-05-21 | Toyota Central Res & Dev Lab Inc | Method for stabilizing peroxidase; peroxidase mutant, protein, dna, vector and transformed cell; and method for manufacturing protein |
| CN204596310U (en) * | 2015-04-09 | 2015-08-26 | 北京电子科技职业学院 | A kind of engine failure setting and test macro |
| CN205068147U (en) * | 2015-10-20 | 2016-03-02 | 北京融世杰机械设备有限公司 | Multi -functional detection of on -vehicle computer platform |
| CN105676840A (en) * | 2016-02-24 | 2016-06-15 | 王志欣 | Tester for automotive electronic control system and testing method thereof |
| CN207441064U (en) * | 2017-06-22 | 2018-06-01 | 上海景格科技股份有限公司 | Vehicle component monomer detection circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973817A (en) * | 2021-02-20 | 2022-08-30 | 北京兰德适普科技有限公司 | Intelligent networking automobile sensor teaching system |
| CN114441208A (en) * | 2022-01-26 | 2022-05-06 | 北京奕斯伟计算技术有限公司 | Test assembly, test system, test method, and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107180574B (en) | 2023-04-21 |
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Denomination of invention: Vehicle component individual detection circuit Granted publication date: 20230421 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: SHANGHAI JINGGE TECHNOLOGY Co.,Ltd. Registration number: Y2024980024440 |