CN109799092A - Engine control module testboard - Google Patents
Engine control module testboard Download PDFInfo
- Publication number
- CN109799092A CN109799092A CN201811541191.7A CN201811541191A CN109799092A CN 109799092 A CN109799092 A CN 109799092A CN 201811541191 A CN201811541191 A CN 201811541191A CN 109799092 A CN109799092 A CN 109799092A
- Authority
- CN
- China
- Prior art keywords
- testboard
- control module
- engine control
- plc
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses engine control module testboards, belong to instrument field, engine control module testboard, including testboard power unit, testboard control section and testboard display portion, testboard power unit includes 120W Switching Power Supply, testboard control section uses the S7-200CN series of PLC of Siemens, the DO mouth of PLC is electrically connected with relay, testboard control section further includes remote controllers, testboard display portion includes touch screen, with the various signals of PLC simulated engine come test engine control module, PLC connects a touch screen simultaneously, it can show test mode, also can control PLC gives engine control module specific signal, on the one hand the problem of existing testing board inefficiency being substantially improved, reduce operation difficulty, reduce test The workload of personnel, while the intuitive of test effect can be promoted, various types of engine control module on the other hand can be surveyed, conspicuousness improves the flexibility of test.
Description
Technical field
The present invention relates to instrument fields, more specifically to engine control module testboard.
Background technique
Test for engine control module mainly includes three aspects, these three aspects include: the switch of one, module
Amount, the test of analog input/output channel；Two, the test of module control logic；Three, the test of the communication port of module.Its
In:
The switching value of module, the test of analog input/output channel, that is, determine whether each channel works normally, right
Its measurement accuracy is also tested in analog quantity channel；
Whether the control logic write in advance inside the test of module control logic, i.e. test module, which meets control, requires；
The included communication port of the test of the communication port of module, i.e. test module (485 mouthfuls, CAN communication mouth etc.) communication function
It is whether normal.
Testboard currently used for engine control module will realize above-mentioned test function, used switch, indicator light,
The devices such as potentiometer, analog signal generator take test circuit built outside engine control module, and above-mentioned device is fixed
On panel, the test of above-mentioned function is realized by manual control these devices.The test mode of existing testboard is due to wanting
Manual control device is tested, and each channel will individually be tested, therefore tester's workload is higher, and testing efficiency is inclined
It is low；In addition, operation has larger difficulty when simulating multiple signals while inputting when carrying out logic testing；During the test, it surveys
The state that test stand is currently tested only shown by indicator light it is intuitive not enough, can not intuitive display switch amount input and analog quantity
The state of input；And existing testboard can only test the engine control module of certain signal specific, if to test difference
The module of signal will then make biggish change on hardware, and flexibility is not good enough.
The above is used for defect existing for the testboard of engine control module in the prior art and can not summarize completely
Are as follows: (1) the problem of needing excessive manual operation in test process cannot achieve automatic test；(2) test mode in test process
It shows not intuitive；(3) engine control module of certain signal specific can only be tested.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide engine control module testboard, it
On the one hand the problem of existing testing board inefficiency being substantially improved, reduces operation difficulty, reduces tester's
Workload, while the intuitive of test effect can be promoted, it on the other hand can survey various types of engine control module, conspicuousness
Improve the flexibility of test.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
Engine control module testboard, including testboard power unit, testboard control section and testboard display unit
Point, the testboard power unit includes 120W Switching Power Supply, and the testboard control section uses the S7-200CN of Siemens
Series of PLC, the DO mouth of the S7-200CN series of PLC are electrically connected with relay, and the testboard control section further includes remote
Range controller, the testboard display portion includes touch screen, passes through serial ports between the touch screen and S7-200CN series of PLC
Communication, the various signals of this programme PLC simulated engine are come test engine control module, while PLC connects a touch screen,
It can show test mode, also can control PLC and give engine control module specific signal, on the one hand can substantially improve existing
Testing board inefficiency the problem of, reduce operation difficulty, reduce the workload of tester, at the same can be promoted test effect
The intuitive of fruit, on the other hand can survey various types of engine control module, and conspicuousness improves the flexibility of test.
Further, the S7-200CN series of PLC includes central processing unit CPU 224XP mono-, digital quantity expanded mode
Block EM223 mono- and analog quantity spread module EM232 two, the digital quantity expansion module EM223 and analog quantity spread module
EM232 respectively includes digital quantity part and analog quantity part, can substantially improve asking for existing testing board inefficiency
Topic reduces operation difficulty, reduces the workload of tester.
Further, the relay is the relay of DC24V, and the DO mouth of S7-200CN series of PLC is electrically connected with
The relay of 16 DC24V.
Further, the touch screen can promote test using 7 cun of touch screens TK6071,7 cun of touch screen TK6071
The visual effect of effect.
Further, including testboard connecting terminal, the connector of the testboard connecting terminal are led using good height
Electric metal material, the insulating materials of the testboard connecting terminal are PA66, and flame retardant rating: UL94, V-0 improve safety
Energy.
Further, the testboard connecting terminal can meet the engine control of different model by way of wire jumper
The test request of molding block, if the On-off signal and output type of engine control module divide source type and leakage type, then different
The engine control module of model On-off signal output is then possible to occur four kinds combination, i.e., source type input source type output,
Source type inputs the output of leakage type, the output of leakage type input source type and the input leakage type output of leakage type, in the hair of testing board different model
Very big trouble is caused to change hardware when motivation control module, and this testboard need to only adjust two wire jumpers, i.e., one control
Input type, a control output type.
Further, the wire jumper is divided into two, and a wherein control input type, in addition a control output class
Type, existing testboard cause very big trouble to change hardware when testing the engine control module of different model, and originally
Testboard need to only adjust two wire jumpers, i.e., one control input type, a control output type, and the wire jumper is divided into two
Root, and a wherein control input type, in addition a control output type, the wire jumper include connecting line and a pair of of connection
Head, and a pair of of connector is connected to connecting line both ends, the connector is internally connected with light-emitting component.
Further, the connecting line includes signal wire, second insulating layer and optical fiber layer, the signal wire and optical fiber layer it
Between be connected with the first insulating layer, the second insulating layer is wrapped in optical fiber layer outer end, and second insulating layer is transparent insulation material, even
In the state that connector connects, signal wire is connected, and the light-emitting component inside connector shines, and lightening optical fibers layer, operator can
The connection status for being directly viewable wire jumper by observing connecting line, without checking that both ends are confirmed repeatedly.
Further, the analog quantity part equally can input 4-20mA to engine control module by way of wire jumper
Current signal, 0-5V voltage signal or resistance signal, can only carry out lesser hardware modifications can test the hair of different model
Motivation control module, thus the flexibility of significant increase test.
Further, the remote controllers are electrically connected with wireless communication chips and EEPROM, and EEPROM passes through nothing
Line communication chip is connected with cloud storage platform, and technical staff can remotely check the data of testing board engine control module
Information.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) the various signals of this programme PLC simulated engine are come test engine control module, while PLC connects one
Touch screen, can show test mode, also can control PLC and give engine control module specific signal, on the one hand can be significantly
The problem of improving existing testing board inefficiency, reduces operation difficulty, reduces the workload of tester, while can mention
The intuitive for rising test effect, on the other hand can survey various types of engine control module, and conspicuousness improves test
Flexibility.
(2) S7-200CN series of PLC includes central processing unit CPU 224XP mono-, digital quantity expansion module EM223 mono-
A and analog quantity spread module EM232 two, digital quantity expansion module EM223 and analog quantity spread module EM232 are respectively included
Digital quantity part and analog quantity part, the problem of can substantially improving existing testing board inefficiency, it is difficult to reduce operation
Degree, reduces the workload of tester.
(3) touch screen can promote the intuitive of test effect using 7 cun of touch screens TK6071,7 cun of touch screen TK6071
Effect.
(4) testboard connecting terminal, the connector of testboard connecting terminal use good high-conductive metal material, test
The insulating materials of platform connecting terminal is PA66, and flame retardant rating: UL94, V-0 improve security performance.
(5) testboard connecting terminal can meet the survey of the engine control module of different model by way of wire jumper
Examination requires, if the On-off signal and output type of engine control module divide source type and leakage type, then different model is started
The On-off signal output of machine control module is then possible to four kinds of combinations occur, i.e. the output of source type input source type, the input leakage of source type
Type output, the output of leakage type input source type and the input leakage type output of leakage type, control mould in the engine of testing board different model
Very big trouble is caused to change hardware when block, and this testboard need to only adjust two wire jumpers, i.e., one control input type, one
Root controls output type.
(6) wire jumper is divided into two, and a wherein control input type, in addition a control output type, existing survey
Test stand causes very big trouble to change hardware when testing the engine control module of different model, and this testboard only needs to adjust
Whole two wire jumpers, i.e., one control input type, a control output type, wire jumper include connecting line and a pair of of connection
Head, and a pair of of connector is connected to connecting line both ends, connector is internally connected with light-emitting component.
(7) connecting line includes signal wire, second insulating layer and optical fiber layer, and first is connected between signal wire and optical fiber layer absolutely
Edge layer, second insulating layer are wrapped in optical fiber layer outer end, and second insulating layer is transparent insulation material, the state that connector connects
Under, signal wire is connected, and the light-emitting component inside connector shines, lightening optical fibers layer, and operator can be straight by observation connecting line
The connection status for checking wire jumper is connect, without checking that both ends are confirmed repeatedly.
(8) analog quantity part equally can by way of wire jumper to engine control module input 4-20mA current signal,
0-5V voltage signal or resistance signal, can only carry out lesser hardware modifications can test the engine control mould of different model
Block, thus the flexibility of significant increase test.
(9) remote controllers are electrically connected with wireless communication chips and EEPROM, and EEPROM chip by wireless communication
It is connected with cloud storage platform, technical staff can remotely check the data information of testing board engine control module.
Detailed description of the invention
Fig. 1 is the electrical schematic diagram of testboard control section of the invention；
Fig. 2 is the interface circuit figure that testboard of the invention is connect with engine control module to be tested；
Fig. 3 is bluetooth connection schematic diagram of the invention；
Fig. 4 is the main electric connection block diagram of the present invention；
Fig. 5 is jumper wire construction schematic diagram of the invention；
Fig. 6 is the structural schematic diagram in Fig. 5 at A.
Figure label explanation:
1 connector, 2 connecting lines, 21 signal wires, 22 first insulating layers, 23 optical fiber layers, 24 fluorescence coatings, 25 second insulating layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Referring to Fig. 4, engine control module testboard, including testboard power unit, testboard control section and survey
Test stand display portion, testboard power unit include 120W Switching Power Supply, and testboard control section uses the S7- of Siemens
200CN series of PLC, the DO mouth of S7-200CN series of PLC are electrically connected with relay, and testboard control section further includes remotely controlling
Device processed, testboard display portion include touch screen, pass through serial communication, this programme between touch screen and S7-200CN series of PLC
With the various signals of PLC simulated engine come test engine control module, while PLC connects a touch screen, can show test
State also can control PLC and give engine control module specific signal, on the one hand can substantially improve existing testboard and survey
The problem of trying inefficiency reduces operation difficulty, reduces the workload of tester, while can promote the intuitive of test effect
Property, various types of engine control module on the other hand can be surveyed, conspicuousness improves the flexibility of test.
Referring to Fig. 1, S7-200CN series of PLC includes central processing unit CPU 224XP mono-, digital quantity expansion module
EM223 mono- and analog quantity spread module EM232 two, digital quantity expansion module EM223 and analog quantity spread module EM232 divide
Not Bao Kuo digital quantity part and analog quantity part, the problem of can substantially improving existing testing board inefficiency reduces
Operation difficulty reduces the workload of tester.
Relay be DC24V relay, and the DO mouth of S7-200CN series of PLC be electrically connected with 16 DC24V after
Electric appliance.
Using 7 cun of touch screen TK6071,7 cun touch screen TK6071 and can promote the intuitive effect of test effect touch screen
Fruit.
Including testboard connecting terminal, connecting terminal can meet a variety of conversion selections, including the source module DO type/leakage type turns
It changes, the source module DI type/leakage type conversion, programmable A I1 mouth mold analog quantity type are converted, programmable A I2 mouth mold analog quantity type is converted, can
The conversion of AI3 mouth mold analog quantity type, the conversion of programmable A I4 mouth mold analog quantity type, RS485 communication interface and CAN communication interface are programmed,
The connector of testboard connecting terminal uses good high-conductive metal material, and the insulating materials of testboard connecting terminal is
PA66, flame retardant rating: UL94, V-0 improve security performance.
Testboard connecting terminal can meet the test of the engine control module of different model by way of wire jumper
It is required that the On-off signal and output type such as engine control module divide source type and leakage type, then the engine of different model
The On-off signal output of control module is then possible to four kinds of combinations occur, i.e. the output of source type input source type, source type inputs leakage type
Output, the output of leakage type input source type and the input leakage type output of leakage type, in the engine control module of testing board different model
When to change hardware cause very big trouble, and this testboard need to only adjust two wire jumpers, i.e., one control input type, one
Control output type.
Wire jumper is divided into two, and a wherein control input type, in addition a control output type, existing testboard
Very big trouble is caused to change hardware when testing the engine control module of different model, and this testboard need to only adjust two
Root wire jumper, i.e., one control input type, a control output type, referring to Fig. 5, wire jumper includes connecting line 2 and one
To connector 1, and a pair of of connector 1 is connected to 2 both ends of connecting line, and connector 1 is internally connected with light-emitting component, about connection
The components connection type such as light-emitting component inside first 1 is the prior art, is not belonging to creation point of the invention, therefore does not make herein
It repeats.
Referring to Fig. 6, connecting line 2 includes signal wire 21, second insulating layer 25 and optical fiber layer 23, signal wire 21 and optical fiber layer
The first insulating layer 22 is connected between 23, second insulating layer 25 is wrapped in 23 outer end of optical fiber layer, and second insulating layer 25 is transparent exhausted
Edge material, in the state that connector 1 connects, signal wire 21 is connected, and the light-emitting component inside connector 1 shines, lightening optical fibers
Layer 23, the connection status that operator can be directly viewable wire jumper by observing connecting line 2, without checking that it is true that both ends carry out repeatedly
Recognize, in addition, 21 outer end of signal wire is enclosed with 25 3 protective layer of the first insulating layer 22, optical fiber layer 23 and second insulating layer, can have
Effect protects signal wire 21 not easily damaged.
It is extremely important to adjust wire jumper, if jump it is wrong, gently if crash, it is serious or even whole equipment can be burnt, it is existing
Wire jumper adjustment operation in technology can't evade such safety issue well, and the wire jumper of the testboard in the present invention connects
It is provided with normally opened trigger switch at head, normally opened triggering in the state that connector 1 connects correct, at the jumper terminal of testboard
It closes the switch, testboard is connected, and test operation can be carried out；In the state that connector 1 is not connected with correctly, the jumper terminal of testboard
The normally opened trigger switch at place still disconnects, and testboard is not turned on, and is not available for test operation, can protect entire test equipment,
Security performance is high；In combination with: in the state that connector 1 connects, signal wire 21 is connected, the light-emitting component inside connector 1
It shines, lightening optical fibers layer 23, the connection status that operator can be directly viewable wire jumper by observing connecting line 2 dual can confirm
The connection status of wire jumper.
Some lesser wire jumpers are inconvenient to search, especially in dark conditions, the second insulating layer 25 of wire jumper of the present invention
Divide two layers, and accompany fluorescence coating 24 between two layers, in dark conditions, fast and easy searches wire jumper, and the fluorescence of two wire jumpers
24 color of layer are different, such as the fluorescence coating 24 of a wire jumper is red, and another is blue, facilitates differentiation, is not easy to obscure, even
When light-emitting component lightening optical fibers layer 23 inside connector 1, optical fiber layer 23 can issue corresponding face by the fluorescence coating 24 of different colours
The light of color is distinguished after connection.
Analog quantity part equally can input 4-20mA current signal, 0-5V to engine control module by way of wire jumper
Voltage signal or resistance signal, can only carry out lesser hardware modifications can test the engine control module of different model,
To the flexibility of significant increase test.
Referring to Fig. 4, remote controllers are electrically connected with wireless communication chips and EEPROM, wireless communication chips and
EEPROM constitutes wireless communication module, and chip is connected EEPROM with cloud storage platform by wireless communication, and technical staff can
Remotely check the data information of testing board engine control module.
Referring to Fig. 4, testboard control section further includes bluetooth module, EEPROM chip and cloud storage by wireless communication
It can also be connect by bluetooth module with the distinctive APP of technical staff's mobile phone while platform is connected, technical staff is facilitated to check
The data information of testing board engine control module.
Referring to Fig. 1, testboard power unit, AC220V alternating current is converted into the straight of DC24V by 120W Switching Power Supply
Galvanic electricity is powered to testboard；Testboard control section uses the S7-200CN series of PLC of Siemens, including central processing unit
CPU224XP mono-, digital quantity expansion module EM223 mono-, analog quantity spread module EM232 two, S7-200CN series of PLC
DO mouth be connected to the relay of 16 DC24V；Testboard display portion uses 7 cun of touch screen TK6071, touch screen and S7-
Pass through serial communication between 200CN series of PLC；Specific test method are as follows: those skilled in the art are first according to engine to be measured
The function of control module writes corresponding test program in S7-200CN series of PLC, calls S7- by touch screen when test
The test program write in 200CN series of PLC, S7-200CN series of PLC can be modeled as an engine at this time, according to
The program of internal composition gives the signal of the specified switching value of engine control module or analog quantity in the specific stage, and receives
The feedback signal of engine control module, the state tested in real time is shown on touch screen, in test process, works as S7-
It, will on touch screen when 200CN series of PLC detects that the feedback signal of engine control module and preset state are not inconsistent
Alarm signal is issued, the alarm condition that tester need to only check on touch screen can determine whether engine control module, and whether there is or not ask
Topic, this considerably reduce the workloads of tester, improve testing efficiency.
Referring to Fig. 2, the engine of different model can be met by way of wire jumper on testboard connecting terminal
The test request of control module.If the On-off signal and output type of engine control module divide source type and leakage type, then not
On-off signal output with the engine control module of model is then possible to four kinds of combinations occur, i.e. source type input source type is defeated
Out, the output of source type input leakage type, the output of leakage type input source type, the input leakage type output of leakage type, in testing board different model
Very big trouble is caused to change hardware when engine control module, and this testboard need to only adjust two wire jumpers, a control
Input type, a control output type.It analog quantity part equally can be by way of wire jumper to engine control module
Input 4-20mA current signal, 0-5V voltage signal or resistance signal.It thus may be implemented only to carry out lesser hardware modifications
The engine control module of different model can be tested, the significant increase flexibility of test.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. engine control module testboard, it is characterised in that: including testboard power unit, testboard control section and test
Platform display portion, the testboard power unit include 120W Switching Power Supply, and the testboard control section is using Siemens
S7-200CN series of PLC, the DO mouth of the S7-200CN series of PLC are electrically connected with relay, the testboard control section
It further include remote controllers, the testboard display portion includes touch screen, between the touch screen and S7-200CN series of PLC
Pass through serial communication.
2. engine control module testboard according to claim 1, it is characterised in that: the S7-200CN series of PLC
Including central processing unit CPU 224XP mono-, digital quantity expansion module EM223 mono- and analog quantity spread module EM232 two
A, the digital quantity expansion module EM223 and analog quantity spread module EM232 respectively include digital quantity part and analog quantity portion
Point.
3. engine control module testboard according to claim 1, it is characterised in that: the relay is DC24V's
Relay, and the DO mouth of S7-200CN series of PLC is electrically connected with the relay of 16 DC24V.
4. engine control module testboard according to claim 1, it is characterised in that: the touch screen is using 7 cun of touchings
Touch screen TK6071.
5. engine control module testboard according to claim 1, it is characterised in that: including testboard connecting terminal,
The connector of the testboard connecting terminal uses good high-conductive metal material, the insulation material of the testboard connecting terminal
Material is PA66.
6. engine control module testboard according to claim 5, it is characterised in that: the testboard connecting terminal can
Meet the test request of the engine control module of different model in a manner of through wire jumper.
7. engine control module testboard according to claim 6, it is characterised in that: the wire jumper is divided into two, and
A wherein control input type, in addition a control output type, the wire jumper include connecting line (2) and a pair of of connector
(1), and a pair of of connector (1) is connected to connecting line (2) both ends, and the connector (1) is internally connected with light-emitting component.
8. engine control module testboard according to claim 7, it is characterised in that: the connecting line (2) includes letter
Number line (21), second insulating layer (25) and optical fiber layer (23), are connected with first between the signal wire (21) and optical fiber layer (23)
Insulating layer (22), the second insulating layer (25) are wrapped in optical fiber layer (23) outer end.
9. engine control module testboard according to claim 2 or 5, it is characterised in that: the analog quantity part is same
Sample can be by way of wire jumper to engine control module input 4-20mA current signal, 0-5V voltage signal or resistance signal.
10. engine control module testboard according to claim 1, it is characterised in that: the remote controllers are electrical
Wireless communication chips and EEPROM are connected with, and chip is connected EEPROM with cloud storage platform by wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541191.7A CN109799092A (en) | 2018-12-17 | 2018-12-17 | Engine control module testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541191.7A CN109799092A (en) | 2018-12-17 | 2018-12-17 | Engine control module testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109799092A true CN109799092A (en) | 2019-05-24 |
Family
ID=66556817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541191.7A Pending CN109799092A (en) | 2018-12-17 | 2018-12-17 | Engine control module testboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109799092A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590311Y (en) * | 2002-11-12 | 2003-12-03 | 上海上诠光纤通信设备有限公司 | Luminous indicating jumper wire |
| CN2796162Y (en) * | 2005-04-29 | 2006-07-12 | 汤智雄 | Luminous wire |
| CN102323651A (en) * | 2011-09-23 | 2012-01-18 | 南京普天通信股份有限公司 | Luminescent indication patch cord for routing connection |
| CN103096556A (en) * | 2013-01-28 | 2013-05-08 | 上海科炎光电技术有限公司 | Luminous communication indication connecting line |
| CN203179600U (en) * | 2013-04-01 | 2013-09-04 | 东莞市步特电子科技有限公司 | Luminescent wire material |
| CN108490921A (en) * | 2018-04-23 | 2018-09-04 | 江苏恩达通用设备有限公司 | A kind of engine testing system |
-
2018
- 2018-12-17 CN CN201811541191.7A patent/CN109799092A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590311Y (en) * | 2002-11-12 | 2003-12-03 | 上海上诠光纤通信设备有限公司 | Luminous indicating jumper wire |
| CN2796162Y (en) * | 2005-04-29 | 2006-07-12 | 汤智雄 | Luminous wire |
| CN102323651A (en) * | 2011-09-23 | 2012-01-18 | 南京普天通信股份有限公司 | Luminescent indication patch cord for routing connection |
| CN103096556A (en) * | 2013-01-28 | 2013-05-08 | 上海科炎光电技术有限公司 | Luminous communication indication connecting line |
| CN203179600U (en) * | 2013-04-01 | 2013-09-04 | 东莞市步特电子科技有限公司 | Luminescent wire material |
| CN108490921A (en) * | 2018-04-23 | 2018-09-04 | 江苏恩达通用设备有限公司 | A kind of engine testing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101937038B (en) | Intelligent multi-core cable harness detection device | |
| CN104133149B (en) | A kind of voltage acquisition line Beam Detector | |
| CN106932714A (en) | Aircraft electrical box comprehensive detection system and detection method | |
| CN109444542A (en) | A kind of fully automatic secondary insulating resistance of cable auxiliary test unit and its test method | |
| CN110196381A (en) | A kind of cable general purpose automatic test system based on cpci bus | |
| CN106291254B (en) | Automatic intelligent line inspection device for intelligent substation | |
| CN107664730A (en) | A kind of distribution network automated end terminal connecting line detection device | |
| CN209606845U (en) | The detection device of I/O port group for process automatic control system | |
| CN108388236A (en) | The Performance Test System of switch controller is automated on column | |
| CN104168520B (en) | Optical link for remote control optical communication equipment selects device and method | |
| CN204177908U (en) | Multifunctional line measurement instrument | |
| CN109799092A (en) | Engine control module testboard | |
| CN209321287U (en) | Aircraft auxiliary power plant harness automatic checkout system and harness case | |
| CN106814276A (en) | Order of cables detection method and device | |
| CN114113791B (en) | System and method for testing insulation resistance and on-resistance of connector | |
| CN207488442U (en) | A kind of POS machine mainboard automatic test circuit | |
| CN206756921U (en) | Proportioning valve signal tester | |
| CN205748713U (en) | Multichannel temperature protective relaying device based on fluorescence method | |
| CN205792644U (en) | For detecting the detecting system of multi-system access platform | |
| CN108075948A (en) | A kind of In-vehicle networking management consistency test device and its method | |
| CN209182420U (en) | A kind of multicore cable automatic tester | |
| CN109335018B (en) | Automatic wire harness detection system and wire harness box for aircraft auxiliary power device | |
| CN109521323A (en) | A kind of interface circuit on off operating mode detection device and method | |
| CN205281253U (en) | Detection apparatus for wind generating set controller | |
| CN204405779U (en) | The multi-functional circuit detecting instrument of APS Instrument assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |
|
| RJ01 | Rejection of invention patent application after publication |