CN108490259A - A kind of electric line detector - Google Patents
A kind of electric line detector Download PDFInfo
- Publication number
- CN108490259A CN108490259A CN201810195608.2A CN201810195608A CN108490259A CN 108490259 A CN108490259 A CN 108490259A CN 201810195608 A CN201810195608 A CN 201810195608A CN 108490259 A CN108490259 A CN 108490259A
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- China
- Prior art keywords
- host
- interface
- locomotive
- electric line
- line detector
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 4
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 3
- 238000007619 statistical method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a kind of electric line detector, including host and the processor that is set in host；The front of host is equipped with liquid crystal display, and keyboard is equipped with below liquid crystal display；The top of host is equipped with constant-current source anode interface, constant-current source cathode interface, measures cathode interface, measures anode interface, insurance interface and power switch；It measures cathode interface and measures the detection that anode interface realizes Locomotive Circuit resistance by being connected to measurement folder or measurement electric wire；The side of host is equipped with and is connect with host computer and mini-printer, for the compound interface of data transmission and charging；Host is connect by compound interface with host computer, realizes the communication connection of host and APP in host computer；APP is used for the locomotive data of receiving host transmission, forms the project analysis report of Locomotive Circuit detection according to locomotive data and reference data, and analytical statement is sent in mini-printer.
Description
Technical field
The invention belongs to the technical fields of locomotive line detector, and in particular to a kind of electric line detector.
Background technology
Intra-locomotive electric wiring, their electric conductivity directly influence traffic safety, and traditional detection method is with friendship
Then the resistance for flowing each electric wiring of high-accuracy instrument measurement of power supply is analyzed through manual record.This method is no doubt reliable,
But operation and its inconvenience, it is necessary to have AC power, measure space and also want sufficiently large, locomotive type is numerous, and each machine
Vehicle has tens up to a hundred electric wirings, the conductive resistance of every circuit that there is certain requirement, tester to record cumbersome, inconvenience
In statistical analysis, test job difficulty is larger.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of electric line detector be provided, to solve existing machine
Vehicle electric wiring detection tester records cumbersome, is not easy to statistical analysis, the larger problem of test job difficulty.
In order to achieve the above objectives, the technical solution adopted by the present invention is that：
There is provided a kind of electric line detector comprising host and the processor being set in host；The front of host is equipped with
Liquid crystal display, liquid crystal display lower section are equipped with keyboard；The top of host is equipped with constant-current source anode interface, constant-current source cathode connects
Mouth measures cathode interface, measures anode interface, insurance interface and power switch；It measures cathode interface and measurement anode interface is equal
The detection of Locomotive Circuit resistance is realized by being connected to measurement folder or measurement electric wire；The side of host is equipped with and host computer and micro-
Type printer connects, for the compound interface of data transmission and charging；Host is connect by compound interface with host computer, realizes master
The communication connection of machine and APP in host computer；APP is used for the locomotive data of receiving host transmission, according to locomotive data and reference number
The project analysis report detected according to Locomotive Circuit is formed, and analytical statement is sent in mini-printer.
Preferably, the lower section of compound interface is equipped with sound conducting range, and the buzzer being connect with processor is equipped in sound conducting range.
Preferably, liquid crystal display, keyboard, constant-current source anode interface, constant-current source cathode interface, measurement cathode interface, survey
Amount anode interface, insurance interface and power switch are electrically connected with processor.
Preferably, constant-current source anode interface and constant-current source cathode interface are connect with positive and cathode is measured.
Preferably, processor STM32F107VCT6.
Preferably, host is built-in with the 7.2V7.0Ah Ni-MH batteries being electrically connected with processor.
Electric line detector provided by the invention, has the advantages that：
The circuit detecting instrument of the present invention has high-precision and high-sensitivity characteristic, is connect by measuring cathode interface and measuring anode
Mouth will be surveyed with the detection pressed from both sides or measured electric wire and be connected to realization Locomotive Circuit resistance, detection time is measured no more than 1s
In data transmission to the APP of host computer, according to detection data and reference data, the project point of output Locomotive Circuit detection is formed
Analysis report, and report printing to preserve analysis, it efficiently solves existing locomotive electric cad system wireline inspection tester and records cumbersome, inconvenience
In statistical analysis, the larger problem of test job difficulty.
Description of the drawings
Fig. 1 is the structure chart of electric line detector.
Fig. 2 is the circuit diagram of electric line detector.
Wherein, 1, host；2, liquid crystal display；3, constant-current source cathode interface；4, cathode interface is measured；5, anode is measured to connect
Mouthful；6, constant-current source anode interface；7, insure interface；8, power switch；9, compound interface；10, sound conducting range；11, keyboard.
Specific implementation mode
The specific implementation mode of the present invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific implementation mode, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
According to one embodiment of the application, as illustrated in fig. 1 and 2, the electric line detector of this programme, including 1 He of host
The processor being set in host 1.
The front of host 1 is equipped with liquid crystal display 2, and 2 lower section of liquid crystal display is keyboard 11, and the top of host 1 is equipped with perseverance
Stream source anode interface 6, constant-current source cathode interface 3 measure cathode interface 4, measure anode interface 5, insurance interface 7 and power switch
8.Wherein, it measures cathode interface 4 and measures anode interface 5 by being connected to measurement folder or measurement electric wire and realizing Locomotive Circuit
The detection of resistance, the side of host 1, which is equipped with, to be connect with host computer and mini-printer, is connect for data transmission and the compound of charging
Mouth 9, host 1 is connect by compound interface 9 with host computer, realizes the communication connection of host 1 and APP in host computer, APP is for connecing
The locomotive data that host 1 transmits is received, forms the project analysis report of Locomotive Circuit detection according to locomotive data and reference data,
And analytical statement is sent in mini-printer.
The lower section of compound interface 9 is equipped with sound conducting range 10, is equipped with the buzzer being connect with processor in sound conducting range 10, works as detection
Locomotive line resistance value not within a preset range when, pass through buzzer warning.Liquid crystal display 2, keyboard 11, constant-current source anode connect
Mouthfuls 6, constant-current source cathode interface 3, measure cathode interface 4, measure anode interface 5, insurance interface 7 and power switch 8 with processing
Device is electrically connected.
Host 1 is built-in with the 7.2V7.0Ah Ni-MH batteries being electrically connected with processor, provides power supply for host 1, ensures that it can
Continuously to measure the partial data of 10 locomotive electric cad system circuits.
Except this, APP has the function of operator's setting, the setting of locomotive archives, electric line item setup and port setting etc..
Wherein, operator is set as, and completes correspondence of the operator from number to name.The setting of locomotive archives includes locomotive shelves
The parameter settings such as case and detection project attribute, the different attribute for different model Locomotive Circuit project to be arranged, including electric wire
The out-of-limit condition of road project, project name etc..Port is provided for ensuring that host computer (computer) is normal between detector
Communication.
Include according to one embodiment of the application, in keyboard 11 0-10 10 numeric keys,【↓】、【↑】、【Printing】、【Really
It is fixed】、【Winding】With【It returns】Equal buttons when detection, if current line is inductive coils, need to press【Winding】Key, side
It can correct measurement.When measuring winding, first have to charge to it, therefore time of measuring is slightly long compared with pure resistance, the present invention, which designs, to be measured
Time is 8 seconds.
According to one embodiment of the application, the key technical indexes of electric line detector of the present invention is：
Measurement range：0.01~20 000m Ω
Measurement accuracy：Less than 1 ‰ or 0.01m Ω
Resolution ratio：Minimum 0.001m Ω
Memory capacity：40 locomotive partial datas (90 electric wiring data of every locomotive)
Operating current：230mA (non-detection status), 1200mA (detecting state)
Battery：7.2V 7.0Ah Ni-MH batteries
Size：245x 128x 40(mm)
Weight：Less than 3Kg
Before locomotive electric cad system wireline inspection, the parameter setting of electric line detector is carried out, parameter includes type of locomotive choosing
It selects, engine number/inspector setting, the setting of locomotive contrast, locomotive backlight is arranged and the setting of detector date.
Wherein, type of locomotive selection needs to select vehicle number, selects to need to examine on liquid crystal display 2 by keyboard 11
The locomotive vehicle of survey is numbered, and number can also be user-defined model.
Engine number/inspector setting, the input of locomotive unit number and operating personnel's number is completed by keyboard 11.
Locomotive backlight is arranged, and LCD backlight acquiescence in booting is opened, if external environment illumination is good, can close the back of the body
Jing Guang saves battery.
The detector date is arranged, and is inputted by keyboard 11, and the date and time of the present invention is arranged.
When electric wiring detects, corresponding surveyed line name is selected on liquid crystal display 2 by keyboard 11, works as detection
The upper lower limit value of resistance range, is opened when can show this circuit normal operation after circuit is corresponding with title, on liquid crystal display 2
The detection of beginning electric wiring resistance value will measure and press from both sides or measure electric wire insertion measurement cathode interface 4 and measure anode interface 5, and
With the both ends for pressing from both sides or measuring electric wire and be fixed on circuit to be measured are measured, the detection of resistance value is carried out.
In detection process, if the data detected on liquid crystal display 2 are " --- --- ", expression is measuring, and measures
After show measurement result, if result be for：" 0.00 " indicates short circuit, when appearing in measurement folder short circuit connection；If result
It is shown as：" 999999 " then have 3 kinds of situations：
1, it is open circuit to be detected circuit；
2, measurement object resistance value exceeds 30 Ω, can not normally measure；
3, the inductance of winding is too big in current line, can not normally be measured if the primary side of main transformer.
The data detected are transferred in host computer (computer), the APP in host computer, can be with according to the data of upload
Select different data sheets, as failure statistical report form, Locomotive Circuit data daily sheet, Locomotive Circuit period report,
Locomotive Circuit data over run daily sheet, Locomotive Circuit data over run period statistical report form, Locomotive Circuit project trend
Curve graph, and above-mentioned data sheet is sent in mini-printer, by report printing.
The electric line detector of the present invention is suitable for the detection of a plurality of electric wiring resistance of multiple locomotive, and according to surveyed number
According to the project analysis report of output Locomotive Circuit detection is convenient for record, the statistics and analysis of data, simplifies test job, right
It is of great significance in the monitoring of locomotive electric cad system circuit.
Although being described in detail to the specific implementation mode of invention in conjunction with attached drawing, should not be construed as to this patent
Protection domain restriction.In range described by claims, those skilled in the art are without creative work
The various modifications and deformation made still belong to the protection domain of this patent.
Claims (6)
1. a kind of electric line detector, it is characterised in that：Including host and the processor being set in host；The host is just
Face is equipped with liquid crystal display, and keyboard is equipped with below liquid crystal display；The top of the host is equipped with constant-current source anode interface, constant current
Source cathode interface measures cathode interface, measures anode interface, insurance interface and power switch；The measurement cathode interface and survey
The detection that amount anode interface is connected to realization Locomotive Circuit resistance by pressing from both sides or measuring electric wire with measurement；The side of the host
Equipped with connect with host computer and mini-printer, for the compound interface of data transmission and charging；The host is connect by compound
Mouth is connect with host computer, realizes the communication connection of host and APP in host computer；The APP is used for the locomotive of receiving host transmission
Data, form the project analysis report of Locomotive Circuit detection according to the locomotive data and reference data, and by the analysis
Report is sent in mini-printer.
2. electric line detector according to claim 1, it is characterised in that：The lower section of the compound interface is equipped with and raises one's voice
Area is equipped with the buzzer being connect with processor in sound conducting range.
3. electric line detector according to claim 1, it is characterised in that：The liquid crystal display, keyboard, constant-current source are just
Pole interface, constant-current source cathode interface measure cathode interface, measure anode interface, insurance interface and power switch and processor
Electrical connection.
4. electric line detector according to claim 1, it is characterised in that：Entire detector sub-module design, it is main
By main modulars groups such as MCU, power management module, communication module, human-computer interaction module, print module, electric line measurement modules
At.
5. electric line detector according to claim 1, it is characterised in that：MCU uses New Type of Chip Microcomputer, can quickly locate
Manage testing result.
6. electric line detector according to claim 1, it is characterised in that：The host is built-in with to be electrically connected with processor
7.2V7.0Ah Ni-MH batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195608.2A CN108490259A (en) | 2018-03-09 | 2018-03-09 | A kind of electric line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195608.2A CN108490259A (en) | 2018-03-09 | 2018-03-09 | A kind of electric line detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108490259A true CN108490259A (en) | 2018-09-04 |
Family
ID=63338403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810195608.2A Pending CN108490259A (en) | 2018-03-09 | 2018-03-09 | A kind of electric line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108490259A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1038893A1 (en) * | 1982-01-29 | 1983-08-30 | Донецкий Ордена Трудового Красного Знамени Политехнический Институт | Device for determination of ac electrical machine dynamic inductive resistance |
| US20140163912A1 (en) * | 2012-12-10 | 2014-06-12 | Delta Electronics (Shanghai) Co., Ltd. | Method and apparatus for measuring rotor resistance of induction motor |
| CN104777368A (en) * | 2015-05-05 | 2015-07-15 | 成都电兴科技有限责任公司 | On-line monitoring instrument and detection method of alternating current variable-frequency ground resistor |
| KR101605268B1 (en) * | 2014-11-11 | 2016-03-21 | 현대중공업 주식회사 | Resistance measuring apparatus |
| US20160327615A1 (en) * | 2015-05-05 | 2016-11-10 | Seaward Group | Method and apparatus for a portable electric vehicle supply equipment tester |
| CN106645972A (en) * | 2016-12-19 | 2017-05-10 | 邯郸派瑞节能控制技术有限公司 | Platform used for detecting resistance value of small resistor |
| CN106771635A (en) * | 2017-02-15 | 2017-05-31 | 武汉市欧睿科技有限公司 | A kind of circuit resistance tester |
| CN206876770U (en) * | 2017-07-10 | 2018-01-12 | 保定天腾电气有限公司 | Portable line resistance inspection device |
| CN208477015U (en) * | 2018-03-09 | 2019-02-05 | 成都骏盛科技有限责任公司 | A kind of electric line detector |
-
2018
- 2018-03-09 CN CN201810195608.2A patent/CN108490259A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1038893A1 (en) * | 1982-01-29 | 1983-08-30 | Донецкий Ордена Трудового Красного Знамени Политехнический Институт | Device for determination of ac electrical machine dynamic inductive resistance |
| US20140163912A1 (en) * | 2012-12-10 | 2014-06-12 | Delta Electronics (Shanghai) Co., Ltd. | Method and apparatus for measuring rotor resistance of induction motor |
| KR101605268B1 (en) * | 2014-11-11 | 2016-03-21 | 현대중공업 주식회사 | Resistance measuring apparatus |
| CN104777368A (en) * | 2015-05-05 | 2015-07-15 | 成都电兴科技有限责任公司 | On-line monitoring instrument and detection method of alternating current variable-frequency ground resistor |
| US20160327615A1 (en) * | 2015-05-05 | 2016-11-10 | Seaward Group | Method and apparatus for a portable electric vehicle supply equipment tester |
| CN106645972A (en) * | 2016-12-19 | 2017-05-10 | 邯郸派瑞节能控制技术有限公司 | Platform used for detecting resistance value of small resistor |
| CN106771635A (en) * | 2017-02-15 | 2017-05-31 | 武汉市欧睿科技有限公司 | A kind of circuit resistance tester |
| CN206876770U (en) * | 2017-07-10 | 2018-01-12 | 保定天腾电气有限公司 | Portable line resistance inspection device |
| CN208477015U (en) * | 2018-03-09 | 2019-02-05 | 成都骏盛科技有限责任公司 | A kind of electric line detector |
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