CN206193529U - Electrical system diagnoses case - Google Patents
Electrical system diagnoses case Download PDFInfo
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- CN206193529U CN206193529U CN201621188252.2U CN201621188252U CN206193529U CN 206193529 U CN206193529 U CN 206193529U CN 201621188252 U CN201621188252 U CN 201621188252U CN 206193529 U CN206193529 U CN 206193529U
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Abstract
The utility model provides an electrical system diagnoses case, this electrical system diagnoses case includes: diagnosis case body and test patch cord wherein, are provided with on diagnosis case body: voltage detection device, voltage display, at least one test input port and a plurality of switching mouth, wherein, test input port contains a plurality of test stitchs, a plurality of switchings mouth sets up on diagnosis case body, connects a plurality of test stitchs through the transmission line one -to -one, voltage detection device is used for connecting the switching mouth to detect the magnitude of voltage of the route of switching mouth, the magnitude of voltage that voltage display detected for displaying voltage detection device, the first port and the test input ports are connected of test patch cord, the second port of test patch cord is connected with the output port by test circuit. Through implementing the utility model discloses, can simplify the electrical system troubleshooting process, effectively reduce measurement personnel's the erroneous judgement condition, and improve labor efficiency.
Description
Technical field
The utility model is on fault diagnosis technology, specifically diagnosing case on a kind of electric-control system.
Background technology
When vehicle trouble is excluded, based on electric-control system circuit is various, needlework sequence differs, and stitch arrangement comparatively dense
There is inconvenience when measuring in problem, testing staff, security is poor.Also, it is relatively easy to the mistake of failure point
Sentence, and error in judgement once occur and will result in unnecessary loss.
Therefore, in order to raise labour efficiency, electric-controlled system fault exclusion process is simplified, it is to avoid because of the improper damage of manual operation
The deformed insertion and contact pin of each electric-control system are, it is necessary to research and develop a kind of diagnostic means for tackling above-mentioned various situations.
Utility model content
The main purpose of the utility model embodiment is to provide a kind of electric-control system diagnosis case, to simplify electric-control system event
Barrier exclusion process, effectively reduces the erroneous judgement situation of testing staff, and raises labour efficiency.
To achieve these goals, the utility model embodiment provides a kind of electric-control system diagnosis case, described automatically controlled system
System diagnosis case includes：Diagnosis case body and test adaptor line, wherein, it is provided with the diagnosis case body：Voltage detecting is filled
Put, voltage display, an at least test input mouthful and multiple converting interfaces, wherein, the test input mouthful is surveyed comprising multiple
Test point pin；The multiple converting interface is arranged on the diagnosis case body, is connected one to one described multiple by transmission line
Test fingers；The voltage check device is used to connect the converting interface, to detect the magnitude of voltage of the converting interface；The voltage
Display is used to show the magnitude of voltage of the voltage check device detection；The first port of the test adaptor line with it is described
Test input mouthful connection, the second port of the test adaptor line is connected with the output port of tested circuit.
In one embodiment, above-mentioned electric-control system diagnosis case also includes：Shorting stub, the shorting stub is used at described turn
Connection is set up between interface and the voltage check device, the voltage check device is detected the magnitude of voltage of the converting interface.
In one embodiment, above-mentioned electric-control system diagnosis case also includes：Multichannel loading branch road, in each load branch
In be provided with and switched with electric loading and load testing, be used to adjust the load current value inside the electric-control system diagnosis case.
Specifically, above-mentioned is automobile front lamp bulb with electric loading.
In one embodiment, above-mentioned electric-control system diagnosis case also includes：Extended line, the first port of the extended line with
The test input mouthful connection, the second port of the extended line is connected with the first port of the test adaptor line.
The beneficial effect of the utility model embodiment is that it is possible to simplify electric-controlled system fault exclusion process, effectively reduces
The erroneous judgement situation of testing staff, and raise labour efficiency.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are only new this practicality
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that case is diagnosed according to the electric-control system of the utility model embodiment；
Fig. 2 is the inside schematic circuit schematic diagram that case is diagnosed according to the electric-control system of the utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model embodiment provides a kind of electric-control system diagnosis case.The utility model is carried out in detail below in conjunction with accompanying drawing
Describe in detail bright.
As shown in figure 1, the electric-control system diagnosis case of the utility model embodiment mainly includes：Diagnosis case body 1 and test
Patchcord 2.
Wherein, it is provided with diagnosis case body 1：Voltage check device 12, voltage display 13, test input mouth 14
And multiple converting interfaces 11, wherein, include multiple test fingers in test input mouthful 14；Converting interface 11 is arranged at diagnosis case
On body 1, above-mentioned multiple test fingers are connected by transmission line, each converting interface 11 one test fingers of correspondence, to form
One corresponding relation.
In actual applications, one or more test inputs mouthfuls 14 can be set on electric-control system diagnosis case, when will
During the quantity of the test fingers of the more than one test input mouthful 14 of quantity of the stitch of the output port of the circuit tested,
Two or more test inputs mouthful 14 are used in combination, so as to ensure the equal energy of converting interface 11 on electric-control system diagnosis case
Corresponding to the stitch of the output port of test circuit.
Above-mentioned voltage check device 12 is used to connect above-mentioned multiple converting interfaces 11, to detect that converting interface 11 forms path
When magnitude of voltage；Voltage display 13 is then the magnitude of voltage for showing the voltage check device 12 detection.
The first port of above-mentioned test adaptor line 2 and test input mouthfuls 14 is connected, second port and tested circuit
Output port is connected, so that the stitch of the output port of tested circuit diagnoses the phase of converting interface 11 on case with electric-control system
Correspondence.As mentioned previously, when the quantity of the stitch of the output port of test circuit diagnoses a test of case more than electric-control system
During the quantity of the stitch of input port 14, the two or more test inputs mouthful 14 that can be diagnosed electric-control system on case are combined and are made
With so that ensure the stitch of the output port of tested circuit has corresponding converting interface 11 on electric-control system diagnosis case.
Now, one end of the test adaptor line 2 then includes two or more plugs, corresponds respectively to two on electric-control system diagnosis case
Individual or multiple test inputs mouthful 14, the other end of the test adaptor line 2 is connected with the output port of tested circuit.
For example, in one embodiment, being tested the output port of circuit has 89 stitch, is set on electric-control system diagnosis case
90 converting interfaces 11 are equipped with, and electric-control system diagnosis case has two test inputs mouthful 14：Main interface and secondary interface, wherein main
There are 50 stitch, secondary interface has 40 stitch in interface.Obviously, if using only main interface, it is impossible to all correspond to by
89 stitch of the output port of test circuit.Now, then need to be used in combination main interface and secondary interface, by test adaptor
Two plugs difference grafting main interface and secondary interface of one end that line 2 is connected with electric-control system diagnosis case, so as to be combined as 90
Individual stitch, so can just ensure electric-control system diagnosis case on 90 converting interfaces 11 in preceding 89 converting interfaces 11 respectively with quilt
89 stitch of the output port of test circuit are corresponding.
It should be noted that the specific numeral for being used in the above-described embodiments, is merely illustrative of, and it is not used to limitation
The utility model.In actual applications, above-mentioned converting interface 11, stitch, test input mouthfuls 14 and test adaptor line 2 are inserted
The quantity of head can be adjusted according to actual needs.And be by the test adaptor line for ease of marking and checking in Fig. 1
Plug do transparent view treatment, it mouthfuls 14 is plugged with test input.
And for the converting interface 11 on electric-control system diagnosis case, dependence test personnel can examine by with the electric-control system
The shorting stub that disconnected case is separately set carries out grafting, and connection is set up in converting interface 11 by the shorting stub, can be used to test difference
Whether converting interface 11 is normal.Specifically, the voltage check device 12 draws two ends：The end 122 of first end 121 and second, in reality
During test, the first end 121 connects test power supply (can be the own power source of vehicle residing for tested circuit) by shorting stub, the
Two ends 122 are attached by shorting stub with the converting interface 11 to be tested, so as to be tested by the voltage check device 12
Corresponding converting interface 11.
Because the converting interface 11 and the stitch of the output port of tested circuit are one-to-one, when by the voltage detecting
It is actual namely to detect the work(that test circuit difference stitch is realized when device 12 is attached from different converting interfaces 11
Energy, also, the magnitude of voltage of corresponding converting interface 11 is detected by the voltage check device 12, so as to may be used to check the converting interface
Whether the function corresponding to 11 is normal.
In one embodiment, the electric-control system diagnosis case of the utility model embodiment is mainly the test powered fortune of electric-control system
Row situation, each road signal whether can normal work, for example：CorSor8 engine electric-controlled systems, connection diagnosis are produced for Italy
Can power detection (power supply and loop totally 10 lines) simultaneously after case to the tunnel of computer 5.For engine not car, driving go out car etc. therefore
Barrier, voltage detecting value is 24V or so (18V~28V is normal value), if voltage detecting value is said not in range of normal value
It is bright faulty.If engine cannot start, the tunnel of 24V control signals 2 of detection input computer is needed, at the same time engine
After computer receives this signal, computer will export one group of 24V (fire and ground) control cranking-motor relay, can start vehicle.
In actual applications, electric-control system diagnosis case may also provide the line of 4A, 8A, 11A, 12A, 15A, 19A, 23A etc.
Road load testing, (can be tested less than or equal to 2.5mm vehicles low-voltage line according to low pressure line safety carrying capacity).Specifically, the electricity
The inside principle for controlling system diagnostics case is as shown in Figure 2.The different use electric loading in its internal tunnel of Bing Jie tri-, according to the power meter of load
The load current value for drawing, when three switches 15 are opened respectively from left to right, electric current is 4A, 8A, 11A, first and second
It is 12A that individual switch 15 is opened and can obtain test electric current simultaneously, and first and the 3rd is opened the test electric current for obtaining 15A simultaneously,
Second and the 3rd switch 15 open simultaneously and obtain the test electric current of 19A, three switches 15 open the test electricity for obtaining 23A simultaneously
Stream.
For example：If this section of circuit is 2.5 square millimeters of wire, safe carrying capacity is 19.2A, and it is 32A to be fully loaded with.Test
When, do not damaging circuit in principle, it should be closed at three switches 15, obtain the load test current of 23A.Upper electricity is not low
In 3 minutes, failure whether there is with measurement circuit.Also according to the function direct current clamp electric current table search car circuit can be coordinated short
Road trouble point.For example：When 12 meters of cars confirm chassis root line short, appropriate electrical flow valuve is applied according to conductor cross-section, it is short
Circuit before waypoint can be to measure applying current value, and circuit behind short dot will be unable to measure electric current due to short circuit
Value, therefore, short position can quickly be searched by test result.
In a preferred embodiment, it is contemplated that the problem of application cost, automobile headlamp bulb is can select as above-mentioned use
Electric loading.And can directly test circuit local environment power supply provide test needed for electric power, for example, the test circuit is public transport
Circuit on car, then can be directly connected to the battery of the bus for test provides electric power.
Specifically, the load branch is mainly used to the problems such as measurement circuit oxidation or loose contact.When being tested, apply
Circuit 60 percent arrives electric current very, the corresponding failure of test lead, now using voltage check device detection voltage
Whether stablize, if loss of voltage, illustrate that the wire of the test has loose contact or has oxidation, if voltage is just
The wire fault-free of often explanation test.Also the soft fault that vehicle can be directed to is detected have during the power supply of such as electric-control system
Shi Wu, signal cuts in and out.
In actual test environment, run into the more inconvenient situation of test environment sometimes, such as test circuit it is defeated
The position of exit port is relatively partially or relatively deep, now, then the extended line that can use electric-control system diagnosis case separately to set, the of the extended line
Single port connects the test input mouthful 14 of electric-control system diagnosis case, the above-mentioned test adaptor line 2 of the second termination, so as to extend connect
Linear distance, enables the electric-control system to diagnose case and is positioned over a position or space for being easy to tester to be operated.
In the specific implementation, the electric-control system diagnosis case of the utility model embodiment can be used to the test circuit tested extremely
Include less following several：The diesel oil electric-control motor 3 of american commings Europe 3, the Italian IVECO Europe 3, electric-control system in Europe 4, state
The electric-control system of the product engine of Yuchai common rail Europe 4, the electronically controlled airsuspension system of car (ECAS), U.S. Ai Lixun are automatic
The electric-control system such as speed changer and Germany's ZF automatic transmission.
In one embodiment, the electric-control system diagnosis case of the utility model embodiment also includes：First button 16, second are pressed
Button 17, side by side jack 18 and LED light 19, the LED light 19 are arranged at the first button 16, the lower section of the second button 17.
These components are combined as auxiliary switch, with the use in conjunction of converting interface 11, are enabled when detection signal needs switch auxiliary.Work as inspection
When surveying multiple power supplies signal, enabled simultaneously with voltage detection module, another purposes detection pulse indication signal is used.
Wherein, the first above-mentioned button 16, the second button 17 are all normally opened button, uniquely distinguish one of them for self-locking
Formula is switched, and another is switched for self-replaced type, for example：American commings ISBe engine electric-controlled systems, computer fire long is by 1,7,
12nd, 13 power lines and 3,9,14,15 return lines constitute the normal power supply source of computer；When engine needs to start, ignition switch
Power supply signal is provided to the pin of computer 39, computer can complete self-inspection, and engine can start.When there is engine without self-inspection
When-phenomenon be vehicle have startup but not car.After the electric-control system diagnosis case for accessing the utility model embodiment, can be right
5 road power supplys are detected, method of testing：Simultaneously by 1,7,12,13,39 5 tunnels by diagnosing the connecting line (red) inside case even
Voltage check device 12 and indicator lamp 19 are connect, wherein 1 road and 7 tunnels connection voltage check device 12, remaining 3 road power supply is by indicating
Lamp 19 is used as detection circuit.This completes the detection that 5 road computers are powered, 2 voltage check devices and 3 indicator lamps
(LED) the connecting line (black) returned inside route diagnosis case connection 3,9,14,15 detects pin mouthful, because connecting line is jack type
In same connecting wire and multiple can be inserted out, it is any that a last loop for indicator lamp and can connect the tunnel loop of face 4
One detection of 5 road power supplys of completion.Each voltage check device plug wire port that correspondingly following two is detected (red and black,
It is red -- voltage signal entrance；Black -- return line socket), three indicator lamp left sides correspond the input of lamp and export (red
Color and black, red -- voltage signal entrance；Black -- return line socket).When finding wherein faulty all the way, for example：Hair
The pin of motivation 39 detect during no-voltage signal caused engine not car, (box house is added at this moment to enable self-lock switch
Self- recoverage safeties), will now detect that the connecting line of 39 pins is extracted in the jack inserted on the left of switch (any one)
Another jack connect 1,7,12,13 four-way power supplies it is any all the way.Press self-lock switch and form path by force to starting by it
The pin of machine 39 is passed through voltage signal, confirms nature of trouble, completes computer glitch diagnosis.
Case is diagnosed by the electric-control system of the utility model embodiment, electric-controlled system fault exclusion process can be simplified, had
Effect reduces the erroneous judgement situation of testing staff, and raises labour efficiency.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not used to limit this
The protection domain of utility model, it is all within spirit of the present utility model and principle, any modification for being made, equivalent, change
Enter, should be included within protection domain of the present utility model.
Claims (5)
1. a kind of electric-control system diagnoses case, it is characterised in that described electric-control system diagnosis case includes：Diagnosis case body and test
Patchcord, wherein,
It is provided with the diagnosis case body：Voltage check device, voltage display, at least test input mouth and multiple
Converting interface, wherein, the test input mouthful includes multiple test fingers；
The multiple converting interface is arranged on the diagnosis case body, the multiple test for connecting one to one described by transmission line
Stitch；
The voltage check device is used to connect the converting interface, to detect the magnitude of voltage of the converting interface；
The voltage display is used to show the magnitude of voltage of the voltage check device detection；
The first port of the test adaptor line and the test input mouthful be connecteds, the second port of the test adaptor line and
The output port connection of tested circuit.
2. electric-control system according to claim 1 diagnoses case, it is characterised in that described electric-control system diagnosis case is also wrapped
Include：Shorting stub, the shorting stub is used to set up connection between the converting interface and the voltage check device, makes the voltage
Detection means detects the magnitude of voltage of the converting interface.
3. electric-control system according to claim 1 diagnoses case, it is characterised in that described electric-control system diagnosis case is also wrapped
Include：Multichannel loading branch road, is provided with each load branch and is switched with electric loading and load testing, is used to adjust the electricity
Load current value inside control system diagnostics case.
4. electric-control system according to claim 3 diagnoses case, it is characterised in that described is automobile front lamp lamp with electric loading
Bubble.
5. electric-control system according to claim 1 diagnoses case, it is characterised in that described electric-control system diagnosis case is also wrapped
Include：Extended line, the first port of the extended line and the test input mouthful are connected, the second port of the extended line and institute
State the first port connection of test adaptor line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188252.2U CN206193529U (en) | 2016-11-04 | 2016-11-04 | Electrical system diagnoses case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188252.2U CN206193529U (en) | 2016-11-04 | 2016-11-04 | Electrical system diagnoses case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206193529U true CN206193529U (en) | 2017-05-24 |
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ID=58734480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188252.2U Active CN206193529U (en) | 2016-11-04 | 2016-11-04 | Electrical system diagnoses case |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292648A (en) * | 2016-11-04 | 2017-01-04 | 北京公共交通控股（集团）有限公司 | A kind of electric-control system diagnosis case |
| CN113138315A (en) * | 2020-01-17 | 2021-07-20 | 广州汽车集团股份有限公司 | Transmission detection device |
| CN117276992A (en) * | 2023-11-22 | 2023-12-22 | 江苏深蓝航天有限公司 | Switching box |
| CN117276992B (en) * | 2023-11-22 | 2024-05-07 | 江苏深蓝航天有限公司 | Switching box |
-
2016
- 2016-11-04 CN CN201621188252.2U patent/CN206193529U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292648A (en) * | 2016-11-04 | 2017-01-04 | 北京公共交通控股（集团）有限公司 | A kind of electric-control system diagnosis case |
| CN113138315A (en) * | 2020-01-17 | 2021-07-20 | 广州汽车集团股份有限公司 | Transmission detection device |
| CN117276992A (en) * | 2023-11-22 | 2023-12-22 | 江苏深蓝航天有限公司 | Switching box |
| CN117276992B (en) * | 2023-11-22 | 2024-05-07 | 江苏深蓝航天有限公司 | Switching box |
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