CN203616644U - Portable LKJ monitoring system tester - Google Patents
Portable LKJ monitoring system tester Download PDFInfo
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- CN203616644U CN203616644U CN201320732273.6U CN201320732273U CN203616644U CN 203616644 U CN203616644 U CN 203616644U CN 201320732273 U CN201320732273 U CN 201320732273U CN 203616644 U CN203616644 U CN 203616644U
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Abstract
The utility model relates to a portable LKJ monitoring system tester. The structure of the tester is that the periphery of a CPU core operational circuit is respectively connected with a speed signal sending circuit, a diesel engine speed signal sending circuit, a wind pipe pressure output circuit, a locomotive signal output circuit, a photoelectric speed sensor detection circuit, a diesel engine rotation speed detection circuit, a wind pipe pressure detection circuit, an LCD and a keyboard. According to the portable LKJ monitoring system tester, for the actual requirement of an electric section vehicle-borne workshop, the modern digital technology is used, the main functions of an LKJ train running monitoring record device comprehensive diagnosis device, a photoelectric speed sensor test bench, a pressure sensor test bench, a diesel engine rotation speed test bench are organically combined, the LKJ monitoring system can be comprehensively detected in a locomotive, the detection means of the LKJ monitoring system are effectively improved, the equipment detection time and the fault processing time are shortened, the work efficiency is improved, the labor intensity is reduced, and the degree of civilized repair is improved.
Description
Technical field
The utility model relates to a kind of railways train operation checkout equipment, specifically a kind of portable LKJ supervisory system tester.
Background technology
LKJ Locomotive Running Monitor System is a visual plant that ensures train traffic safety, and its maintenance and maintenance are vital.At present, there are following several weak points in the routine testing of this equipment:
(1), because LKJ supervisory system is installed on locomotive, can only be just can carry out in the time that locomotive overhauls at present so it is detected to upkeep operation.But LKJ supervisory system has its time between overhauls(TBO) independently, with time between overhauls(TBO) of locomotive asynchronous, but with regard to current maintenance means, be difficult to execute and repair according to its needed time between overhauls(TBO), there is the possibility going to work braving one's illness, safe driving is had a negative impact.
(2) to detect certain parts of LKJ supervisory system at present, it must be removed from locomotive, test with Test-bed, and the equipment volume of LKJ supervisory system and weight be larger, dismounting inconvenience, therefore workload is large.
(3) Test-bed can only detect separately the Individual Quality state of certain parts of LKJ supervisory system or accessory, can not carry out the Function detection of total system.
(4), in the time of handling failure, trouble spot is difficult for judgement sometimes, easily causes fault handling improper, makes equipment outbound in spite of illness, affects traffic safety.
Utility model content
The purpose of this utility model is just to provide a kind of portable LKJ supervisory system tester, can not carry out to LKJ supervisory system the problem of detection on locomotive and whole detection to solve existing testing table.
The utility model is achieved in that a kind of portable LKJ supervisory system tester, includes:
Rate signal transtation mission circuit, joins with core cpu computing circuit and the first spacing output circuit respectively, for simulating the light electricity velocity sensor of locomotive, sends locomotive analogue speed signal to LKJ supervisory system;
The first spacing output circuit, joins with described rate signal transtation mission circuit, for realizing the signal isolation between the high-low pressure of locomotive analogue speed signal;
Diesel engine speed signal sending circuit, joins with core cpu computing circuit and the second spacing output circuit respectively, for simulating diesel engine of locomotive speed measuring motor, sends simulation diesel engine speed and frequency signal to LKJ supervisory system;
The second spacing output circuit, joins with described diesel engine speed signal sending circuit, for simulating the signal isolation between the high-low pressure of diesel engine speed and frequency signal;
Air duct pressure output circuit, joins with core cpu computing circuit, the air duct pressure electric signal while simulating locomotive operation for sending to LKJ supervisory system;
Cab signal output circuit, joins with core cpu computing circuit, for simulating locomotive signal system, sends simulation locomotive work signal to LKJ supervisory system;
Light electricity velocity sensor testing circuit, joins with core cpu computing circuit, the locomotive analog rate information of exporting for detection of LKJ supervisory system;
Diesel engine speed testing circuit, joins with core cpu computing circuit, simulation diesel engine speed and the frequency signal exported for detection of LKJ supervisory system;
Air duct pressure testing circuit, joins with core cpu computing circuit, the simulation locomotive air duct pressure information of exporting for detection of LKJ supervisory system;
Core cpu computing circuit, respectively with described rate signal transtation mission circuit, described diesel engine speed signal sending circuit, described air duct pressure output circuit, described cab signal output circuit, described light electricity velocity sensor testing circuit, described diesel engine speed testing circuit, described air duct pressure testing circuit, liquid crystal display and keyboard join, the locomotive analog rate information of sending and receiving to LKJ supervisory system by comparison, simulation diesel engine speed and frequency signal, simulation locomotive air duct pressure information and simulation locomotive work signal, LKJ supervisory system is carried out to analytical test, to judge online the whether working properly of LKJ supervisory system,
Keyboard, joins with described core cpu computing circuit, for inputting every analog detection data and human-machine operation instruction, to complete every detection operation; And
Liquid crystal display, joins with described core cpu computing circuit, for showing various data messages and the operation information inputted by described keyboard, and shows detection data message and the test result to LKJ supervisory system.
Be respectively arranged with the buffer circuit for the isolation of high-low pressure signal at the input end of described light electricity velocity sensor testing circuit and the input end of described diesel engine speed testing circuit
The utility model possesses all functions of existing testbed, and volume is little, lightweight, is easy to carry, and only need connect detection line, and field staff can hand-held detect the LKJ supervisory system on locomotive online.
The utlity model has the function of simulation locomotive light electricity velocity sensor transmission speed signal; There is the function that simulation diesel engine of locomotive speed measuring motor sends diesel engine speed frequency signal; There is the function that simulation locomotive air duct pressure sensor sends electric pressure signal; There is the function that simulation locomotive signal system sends cab signal series information; There is the function that detects locomotive light electricity velocity sensor; There is the function that detects locomotive blast pressure transducer; There is the function that detects diesel engine of locomotive rotating speed.Measuring ability and test item are complete, and accuracy is high, and effectively auxiliary electrical business mobile unit maintenance maintenance personnel carry out on-bne repair upkeep operation to locomotive.
The utility model is the actual demand in maintenance production work for the vehicle-mounted workshop of electricity business section, use modern digital technology, the major function of LKJ train operation monitoring and recording device comprehensive diagnostic instrument, light electricity velocity sensor testing table, pressure transducer testing table, diesel engine speed test board is combined, be adapted at, on locomotive, LKJ supervisory system is carried out to complete detection.Use the utility model, effectively improved the detection means of LKJ supervisory system, shorten equipment Inspection time and fault handling time, improve operating efficiency, reduce labour intensity, improve civilized repairing degree.
The utlity model has characteristic easy to carry, be suitable for the complete detection to the I level of LKJ supervisory system is repaiied, II level is repaiied, III level is repaiied the rear system equipment of completion; Be suitable for the periodic maintenance of LKJ supervisory system to detect, be convenient to fault handling, be convenient to the inspection and repair system operation of exterior point outside line, can promote the Cheng Biange that repaiies of vehicle mounted electric business, mobile unit, repair for realizing state the technological means and the technical support that provide strong.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model is to be connected to respectively rate signal transtation mission circuit, diesel engine speed signal sending circuit, air duct pressure output circuit, cab signal output circuit, light electricity velocity sensor testing circuit, diesel engine speed testing circuit, air duct pressure testing circuit, liquid crystal display and keyboard in the periphery of core cpu computing circuit.Wherein, rate signal transtation mission circuit is by the first spacing output circuit, diesel engine speed signal sending circuit is connected respectively to the LKJ supervisory system on locomotive by the second spacing output circuit, air duct pressure output circuit and cab signal output circuit are connected respectively to LKJ supervisory system, and the locomotive speed signal of LKJ supervisory system output is input to light electricity velocity sensor testing circuit by buffer circuit, the diesel engine speed signal of LKJ supervisory system output is input to diesel engine speed testing circuit by buffer circuit, the air duct pressure signal of LKJ supervisory system output is input to air duct pressure testing circuit, like this, just can carry out on-line testing on car to LKJ supervisory system.
Keyboard and liquid crystal display form interactive system, can input every analog detection data and human-machine operation instruction, and various detection data and the operation instruction information inputted by liquid crystal display display keyboard.Locomotive analog rate information, simulation diesel engine speed and frequency signal, simulation locomotive air duct pressure information and simulation locomotive work signal that core cpu computing circuit is sent and receives to LKJ supervisory system by comparison, LKJ supervisory system is carried out to analytical test, and in liquid crystal display, demonstrate various detection data messages and the test result to LKJ supervisory system, finally to judge the whether working properly and existing trouble spot of tested LKJ supervisory system, thereby guide maintenance personnel are to tested LKJ supervisory system on-call maintenance.
The utility model can be divided into sending function circuit, measuring ability circuit and man-machine interaction circuit three parts, and wherein, sending function circuit, by the transmission of analog acquisition amount, coordinates locomotive inherent condition, can realize LKJ system is carried out to comprehensive on-line testing; Measuring ability circuit is by the detection to Information Monitoring, and situation about can not get off at equipment is to light electricity velocity sensor, and pipe pressure sensor comprehensively detects, and can carry out quality testing etc. to the diesel engine speed signal in Information Monitoring amount; Man-machine interaction circuit adopts 12864 liquid crystal display and 4 × 4 matrix film keyboards as man-machine dialogue interface, completes every detection operation by the operation of keyboard.
Sending function circuit comprises:
1, air duct pressure transtation mission circuit, can simulate locomotive air duct pressure sensor, sends air duct pressure electrical signal information to LKJ main frame;
2, locomotive speed transtation mission circuit, analog photoelectricity speed pickup, sending one group of phase differential to LKJ main frame is the square-wave pulse rate signal information that 90 degree, dutycycle are 50%;
3, diesel speed transtation mission circuit, the diesel engine speed measuring motor of simulation different pulse number, sends diesel engine speed signal message to LKJ main frame.
4, cab signal transtation mission circuit, simulation cab signal main frame sends locomotive work signal message to LKJ main frame.
Measuring ability circuit comprises:
1, light electricity velocity sensor testing circuit: to comprise tachometer value to the detection of light electricity velocity sensor, low and high level value, phase difference value, dutyfactor value, and rise and fall are along time value;
2, air duct pressure testing circuit: the detection of locomotive blast pressure comprises the magnitude of voltage of air duct pressure value and corresponding electric signal;
3, diesel speed testing circuit: diesel engine speed is measured the diesel engine speed value that requires to measure corresponding diesel engine of locomotive umber of pulse.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; do not departing under the prerequisite of the utility model design concept; various modification and improvement that the technical solution of the utility model is made, all should fall into protection domain of the present utility model.
Claims (2)
1. a portable LKJ supervisory system tester, is characterized in that, includes:
Rate signal transtation mission circuit, joins with core cpu computing circuit and the first spacing output circuit respectively, for simulating the light electricity velocity sensor of locomotive, sends locomotive speed signal to LKJ supervisory system;
The first spacing output circuit, joins with described rate signal transtation mission circuit, for realizing the isolation output of locomotive speed signal;
Diesel engine speed signal sending circuit, joins with core cpu computing circuit and the second spacing output circuit respectively, for simulating diesel engine of locomotive speed measuring motor, sends diesel engine speed frequency signal to LKJ supervisory system;
The second spacing output circuit, joins with described diesel engine speed signal sending circuit, for simulating the isolation output of diesel engine speed frequency signal;
Air duct pressure output circuit, joins with core cpu computing circuit, the air duct pressure electric signal while simulating locomotive operation for sending to LKJ supervisory system;
Cab signal output circuit, joins with core cpu computing circuit, for simulating locomotive signal system, sends simulation locomotive work signal to LKJ supervisory system;
Light electricity velocity sensor testing circuit, joins with core cpu computing circuit, for detection of light electricity velocity sensor output information;
Diesel engine speed testing circuit, joins with core cpu computing circuit, for detection of diesel engine speed information;
Air duct pressure testing circuit, joins with core cpu computing circuit, for detection of locomotive blast pressure information;
Core cpu computing circuit, respectively with described rate signal transtation mission circuit, described diesel engine speed signal sending circuit, described air duct pressure output circuit, described cab signal output circuit, described light electricity velocity sensor testing circuit, described diesel engine speed testing circuit, described air duct pressure testing circuit, liquid crystal display and keyboard join, the locomotive analog rate information of sending and receiving to LKJ supervisory system by comparison, simulation diesel engine speed and frequency signal, simulation locomotive air duct pressure information and simulation locomotive work signal, LKJ supervisory system is carried out to analytical test, to judge online the whether working properly of LKJ supervisory system,
Keyboard, joins with described core cpu computing circuit, for inputting every analog detection data and human-machine operation instruction, to complete every detection operation; And
Liquid crystal display, joins with described core cpu computing circuit, for showing various data messages and the operation information inputted by described keyboard, and shows detection data message and the test result to LKJ supervisory system.
2. portable LKJ supervisory system tester according to claim 1, is characterized in that, at the input end of described light electricity velocity sensor testing circuit and the input end of described diesel engine speed testing circuit, spacing output circuit is set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732273.6U CN203616644U (en) | 2013-11-19 | 2013-11-19 | Portable LKJ monitoring system tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320732273.6U CN203616644U (en) | 2013-11-19 | 2013-11-19 | Portable LKJ monitoring system tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203616644U true CN203616644U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320732273.6U Expired - Fee Related CN203616644U (en) | 2013-11-19 | 2013-11-19 | Portable LKJ monitoring system tester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424963A (en) * | 2015-11-10 | 2016-03-23 | 株洲南车时代电气股份有限公司 | Signal conversion device for double-pin speedometer |
| CN106813702A (en) * | 2015-12-02 | 2017-06-09 | 北京铁路信号有限公司 | A kind of test device and system of communications records device |
| CN112444416A (en) * | 2020-09-25 | 2021-03-05 | 中车长春轨道客车股份有限公司 | Motor train unit simulation speed method |
-
2013
- 2013-11-19 CN CN201320732273.6U patent/CN203616644U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424963A (en) * | 2015-11-10 | 2016-03-23 | 株洲南车时代电气股份有限公司 | Signal conversion device for double-pin speedometer |
| CN106813702A (en) * | 2015-12-02 | 2017-06-09 | 北京铁路信号有限公司 | A kind of test device and system of communications records device |
| CN106813702B (en) * | 2015-12-02 | 2019-08-13 | 北京铁路信号有限公司 | A kind of test device and system of communications records device |
| CN112444416A (en) * | 2020-09-25 | 2021-03-05 | 中车长春轨道客车股份有限公司 | Motor train unit simulation speed method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20171119 |