CN209132404U - A kind of electrical power monitoring device for railway locomotive - Google Patents
A kind of electrical power monitoring device for railway locomotive Download PDFInfo
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- CN209132404U CN209132404U CN201821292530.8U CN201821292530U CN209132404U CN 209132404 U CN209132404 U CN 209132404U CN 201821292530 U CN201821292530 U CN 201821292530U CN 209132404 U CN209132404 U CN 209132404U
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Abstract
The utility model provides a kind of electrical power monitoring device for railway locomotive, comprising: current sensor obtains the current data of equipment under test；Signal processing circuit provides power supply excitation for current sensor, and the signal that current sensor exports is converted to electric current ring signal in a linear relationship；Signal after signal processing is isolated by optocoupler, and electric current ring signal is amplified and is filtered by current monitoring circuit, is converted to corresponding voltage signal, is sent to the ADC Acquisition Circuit；Electrical locomotive power voltage is divided and is isolated by electric voltage observation circuit, and being converted to can be by the voltage signal of ADC Acquisition Circuit；ADC Acquisition Circuit, the plurality of voltages signal that will acquire are acquired, and data are sent to cpu controller by bus；Cpu controller handles the data that ADC Acquisition Circuit obtains, is judged, is stored, and the data of required transmission is sent to TSC radio transmission apparatus by communication interface circuit, and be sent to information-based ground system.
Description
Technical field
The utility model relates to railway systems mobile unit more particularly to a kind of power supply monitorings of railway locomotive-mounted equipment
Device.
Background technique
The equipment such as LKJ (Locomotive Running Monitor System), motorcycle safety informix detection device (TAX), TSC, ATP are to close
It is the core component controlled to train operating safety, played an important role on ensureing train traffic safety.But these
The operating status of equipment in the process of running, especially power supply, but none relevant device can be carried out monitoring.If machine
Vehicle power supply is abnormal power-off, or causes burst power to increase due to equipment short circuit etc., and staff will have no way of finding out about it.
Therefore, in order to monitoring the operating status of train operation key equipment, especially power supply state, while energy
Abnormality is timely feedbacked, a kind of electrical power monitoring device of railway locomotive-mounted equipment is needed, realizes the power supply electricity of mobile unit
Source status monitoring instructs staff to carry out abnormality processing, to improve the effect of equipment fault investigation, positioning and overhaul of the equipments
Rate.
Utility model content
For above-mentioned defect existing in the prior art, the purpose of this utility model is to provide one kind to be used for railway locomotive
Electrical power monitoring device, which carries out real-time monitoring to the power supply of train-installed equipment, can be to vehicle-mounted
The burst of equipment, take place frequently, inertia anomalous event is monitored, and is sent to floor treatment platform by wireless transmission platform, refer to
It leads staff to handle, and abnormal power-failure data caused by reason of powering can be saved, arranged for equipment fault
It looks into personnel and data supporting is provided.
The electrical power monitoring device includes, but are not limited to cpu controller, ADC Acquisition Circuit, communication interface circuit, voltage
Observation circuit, current detection circuit, current sensor, signal processing circuit.
The current sensor obtains the current data of equipment under test.
The signal processing circuit provides power supply excitation for the current sensor, and the current sensor is exported
Signal be converted to electric current ring signal in a linear relationship.
Signal after signal processing is isolated by optocoupler, and the electric current loop is believed by the current monitoring circuit
It number amplifies and is filtered, be converted to corresponding voltage signal, be sent to the ADC Acquisition Circuit.
Voltage of the electrical locomotive power after being filtered is divided and is isolated, and is converted to by the electric voltage observation circuit
It can be by the voltage signal of ADC Acquisition Circuit.
The ADC Acquisition Circuit, the plurality of voltages signal that will acquire are acquired, and data are sent to by bus
Cpu controller.
The cpu controller handles the data that the ADC Acquisition Circuit obtains, is judged, is stored, and will be required
The data of transmission are sent to TSC radio transmission apparatus by the communication interface circuit, send to be transmitted by car-ground radio
To information-based ground system.
In one embodiment, the current sensor uses non-tandem detection mode.
In one embodiment, the current sensor pincers obtain described tested on the power supply line of the equipment under test
The current data of equipment.
In one embodiment, the range of the electric current ring signal is 4mA~20mA.
In one embodiment, the cpu controller judges whether the collected data of ADC are normal, if there is exception,
Judge that the exception belongs to electric voltage exception or current anomaly；For electric voltage exception or current anomaly, it is also necessary to further sentence
It is disconnected to belong to abnormal in short-term or long Shi Yichang, and corresponding abnormal conditions are directed to, take one or more of following measures:
It sends warning information, recording exceptional information and sends exception information, sends warning message.
In one embodiment, the recording exceptional information includes the voltage in front and back a period of time of recording exceptional appearance
And current data, while calculating instantaneous power.
In one embodiment, the cpu controller judge the collected data of ADC for it is normal in the case where, also sentence
Whether the disconnected collected data of institute, if not arriving, continue to acquire data to a preset sending time；If having arrived the preset hair
The time is sent, then the data of acquisition are weighted and averaged, and is sent to TSC equipment.
In one embodiment, the communication interface circuit includes RS485 interface circuit and industry ethernet.
In one embodiment, the electrical power monitoring device further includes power circuit, and the power circuit is the power supply
Monitoring device power supply, power supply voltage range remain to enable the normal work of the electrical power monitoring device when burst voltage is abnormal in short-term
Make for a period of time, recording exceptional data, and when TSC radio transmission apparatus works normally, sends this data to information-based ground
Plane system.
In one embodiment, the equipment under test includes one in LKJ2000, LKJ-15C, ATP, TAX, TSC etc.
Or it is multiple.
The electrical power monitoring device of the utility model have following characteristics and the utility model has the advantages that
1. the railway locomotive electrical power monitoring device of the application carries out real-time monitoring to the voltage and current of mobile unit, can
It gives warning in advance to sudden general exception, staff is prompted to pay close attention to；To abnormal conditions beyond the mark into
Row alert process, and the voltage and current data in failure front and back a period of time are recorded, while calculating instantaneous power.
2. the railway locomotive electrical power monitoring device of the application uses non-tandem current sensor, do not need to equipment under test
Power supply line destroyed, series current observation circuit, do not need yet by the power supply line of equipment under test pass through device noumenon.This reality
With it is novel use open loop fluxgate principle current sensor, only need to by sensor probe clamp equipment under test power supply main track or
Negative wire.
3. the present apparatus scope of application is wider, larger in the place that narrow train-installed equipment room can choose installation, electricity
Flow sensor also only needs to be mounted on any one place of equipment under test power supply line, facilitates the installation and deployment of package unit.
4. above-mentioned electrical power monitoring device combined ground information system can provide normal data backup, emergency event note
Record, abnormity early warning, abnormal alarm lamp function, and abnormality processing can be carried out by terrestrial information systematic direction staff.
Detailed description of the invention
The above utility model content and following specific embodiment of the utility model when reading in conjunction with the drawings can
It is better understood.It should be noted that attached drawing is only used as the example of claimed utility model.In the accompanying drawings, phase
Same appended drawing reference represents same or similar element.
Fig. 1 shows the architecture diagram of the electrical power monitoring device component associated with it according to an embodiment of the present invention.
Fig. 2 shows the schematic diagrames according to the electrical power monitoring device of an embodiment of the present invention.
Fig. 3 is shown according to the power sensor of an embodiment of the present invention probe scheme of installation.
Fig. 4 shows the acquisition data handling procedure figure according to an embodiment of the present invention.
Specific embodiment
The detailed features and advantage of narration the utility model, content are enough to make in detail in a specific embodiment below
Anyone skilled in the art understand the technology contents of the utility model and implement accordingly, and according to theory disclosed by this specification
Bright book, claim and attached drawing, skilled person readily understands that the relevant purpose of the utility model and advantage.
Railway locomotive is not directed to the prison of the equipment running status such as LKJ, ATP, TAX, TSC of relationship traffic safety at present
Survey tool.It will cause following problem in this way:
Firstly, equipment is powered, operating status is unknowable, such as occurrence of equipment is under-voltage, over-voltage, overcurrent, short circuit abnormal conditions
When, staff has no way of finding out about it.
Secondly, mobile unit operates under the unusual service conditions such as voltage is high or overcurrent is big, although can work reluctantly.But
The abnormalities such as fatigue are chronically at, have certain influence to the service life of equipment, it is difficult to be guaranteed steady always in life cycle
Fixed work.
Again, after mobile unit breaks down, due to lacking effective monitoring data, malfunction elimination is relatively difficult, leads to
Often needing experienced staff to take a long time could final fault point.
In view of the deficiencies in the prior art, it is vehicle-mounted for railway locomotive that the purpose of this utility model is to provide one kind
The electrical power monitoring device of equipment.Real-time monitoring is carried out to the power supply of train-installed equipment, can burst to mobile unit,
Take place frequently, inertia anomalous event is monitored, and is sent to floor treatment platform by wireless transmission platform, instruct staff into
Row processing, meanwhile, abnormal power-failure data caused by reason of powering can be saved, be provided for equipment fault investigation officer
Data supporting.
To reach the above object, the utility model provides a kind of electrical power monitoring device of railway locomotive-mounted equipment.
Fig. 1 shows the architecture diagram of the electrical power monitoring device component associated with it according to an embodiment of the present invention.
Component associated with electrical power monitoring device 100 includes electrical locomotive power 101, mobile unit 102, TSC wireless data
Transmission device 103, information-based ground system 104 etc..
Electrical locomotive power 101 is that locomotive vehicle-mounted equipment 102 and electrical power monitoring device 100 provide DC power supply, is power supply monitoring
The voltage measurand of device 100.
Mobile unit 102-1~102-n is mobile unit on railway locomotive.Mobile unit 102 can be LKJ2000,
One or more of LKJ-15C, ATP, TAX, TSC etc..Mobile unit 102 is the equipment under test of electrical power monitoring device 100, electricity
Source monitoring device 100 obtains the current data of equipment under test by current sensor.
TSC radio data-transmission equipment 103 receives the monitoring data from electrical power monitoring device 100, and TSC transmission device is logical
It crosses 4G or WLAN data transmission channel and sends Ground Processing System for monitoring data.
Information-based ground system 104 is deployed in Railway Bureau, and that is responsible for mobile unit remotely accesses management, power supply monitoring number
According to vehicle transmits, handles and apply.
The electric current that the electrical power monitoring device of the utility model passes through voltage monitoring and each mobile unit to electrical locomotive power
Monitoring, and power monitoring data can be obtained by voltage and current detection data.The electrical power monitoring device can be located at mobile unit
Between.
Fig. 2 shows the schematic diagrames according to the electrical power monitoring device of an embodiment of the present invention.
The railway locomotive electrical power monitoring device 100 may include core cpu circuit 201, ADC Acquisition Circuit 202, communication interface
Circuit 203, power circuit 204, electric voltage observation circuit 205, current detection circuit 206, current sensor 207, signal processing electricity
Road 208.
Current sensor 207 uses non-tandem detection mode, and round electric sensor is clamped the power supply in equipment under test
It can be obtained the operating current of equipment under test on line.It is advantageous in that, is not needed to tested using non-tandem current sensor
The power supply line of equipment is destroyed, series current detection circuit, does not also need the power supply line of equipment under test passing through device noumenon.
Signal processing circuit 208 is that current sensor 207 provides power supply excitation, and the letter that current sensor 207 is exported
Number be converted to electric current ring signal in a linear relationship.In one embodiment, which is 4-20mA.
Current monitoring circuit 206 includes receiving isolation circuit, and the signal after signal processing is passed through light by current detection circuit
Coupling is isolated, and electric current ring signal is amplified and is filtered, and is converted to corresponding voltage signal.
Electric voltage observation circuit 205 includes voltage and isolation circuit, and electric voltage observation circuit 205 is by the electricity after filtering processing
Pressure is divided and is isolated, and is converted to the voltage signal that can be acquired by ADC.
Electrical locomotive power is filtered first after being linked into electrical power monitoring device, then by voltage and every
From circuit, the voltage signal that can be acquired by ADC is converted to.
The plurality of voltages signal that ADC module 202 will acquire is acquired, and data are sent to CPU by bus and are carried out
Processing.
The collected data of ADC module are handled, are judged, are stored by the cpu controller 201 in core cpu circuit, and
The data of required transmission are sent to TSC radio transmission apparatus by communication interface circuit, to transmit by car-ground radio, hair
Give information-based ground system.
In one embodiment, cpu controller 201 judges whether acquisition data are normal, if there is exception, judgement is specific
Belong to electric voltage exception or current anomaly.For exception, it is also necessary to which further judgement belongs to abnormal in short-term or long Shi Yi
Often, and different abnormal conditions are directed to, take the corresponding measures such as early warning, recording exceptional, alarm.
In one embodiment, communication interface circuit 203 includes RS485, industry ethernet.
The more general mobile unit of power circuit power supply voltage range of this system design wants wide, abnormal in short-term in burst voltage
When, the present apparatus remains to work normally, and is acquired monitoring to data.
The power circuit of this system design has larger accumulator, and when happening suddenly power down accident, the present apparatus remains to complete
The acquisition and recording work of nearest array data, and when TSC radio transmission apparatus works normally, send this data to informationization
Ground system.
Fig. 3 shows the probe scheme of installation according to the current sensor of an embodiment of the present invention.
Fig. 4 shows the procedure chart of the acquisition data processing method according to an embodiment of the present invention.This method is related to
Following steps.
Step 401: judging whether acquisition data are normal.If normal, 402 are thened follow the steps；It thens follow the steps if abnormal,
406。
Step 402: judging whether to a preset sending time.If not arriving the sending time, 403 are thened follow the steps；If
The sending time has been arrived, has thened follow the steps 404.
Step 403: continuing to acquire data.
Step 404: acquisition data are weighted and averaged.
Step 405: the data after sending weighted average.
Step 406: judging exceptional condition.If it is electric voltage exception, 407 are thened follow the steps；If it is current anomaly, then hold
Row step 408.
Step 407: judging that electric voltage exception belongs to abnormal in short-term or long Shi Yichang.If it is long Shi Yichang, then step is executed
Rapid 409；If it is exception in short-term, 410 are thened follow the steps.
Step 409: sending exception record.In one embodiment, the record includes that one section of front and back occurs for recording exceptional
Voltage and current data in time, while calculating instantaneous power.
Step 410: judging whether abnormal time is beyond the mark.If so, thening follow the steps 411；If it is not, then executing step
Rapid 412.
Step 411: sending warning message.
Step 412: carrying out early warning, recording exceptional situation and send warning information and exception record.
Step 408: judging that current anomaly belongs to abnormal in short-term or long Shi Yichang.If belonging to exception in short-term, execute
Step 413；If belonging to long Shi Yichang, 414 are thened follow the steps.
Step 413: sending exception record.
Step 414: judging whether abnormal time is beyond the mark.If so, thening follow the steps 416；If it is not, then executing step
Rapid 415.
Step 416: sending warning message.
Step 415: carrying out early warning, recording exceptional situation and send warning information and exception record.
In one embodiment, above-mentioned steps can be executed by CPU201.
The electrical power monitoring device of the utility model have following characteristics and the utility model has the advantages that
1. the railway locomotive electrical power monitoring device of the application carries out real-time monitoring to the voltage and current of mobile unit, can
It gives warning in advance to sudden general exception, staff is prompted to pay close attention to；To abnormal conditions beyond the mark into
Row alert process, and the voltage and current data in failure front and back a period of time are recorded, while calculating instantaneous power.
2. the railway locomotive electrical power monitoring device of the application uses non-tandem current sensor, do not need to equipment under test
Power supply line destroyed, series current observation circuit, do not need yet by the power supply line of equipment under test pass through device noumenon.This reality
With it is novel use open loop fluxgate principle current sensor, only need to by sensor probe clamp equipment under test power supply main track or
Negative wire.
3. the present apparatus scope of application is wider, larger in the place that narrow train-installed equipment room can choose installation, electricity
Flow sensor also only needs to be mounted on any one place of equipment under test power supply line, facilitates the installation and deployment of package unit.
4. above-mentioned electrical power monitoring device combined ground information system can provide normal data backup, emergency event note
Record, abnormity early warning, abnormal alarm lamp function, and abnormality processing can be carried out by terrestrial information systematic direction staff.
Here the term and form of presentation used is only intended to describe, the utility model should not be limited to these terms and
Statement.It is not meant to exclude the equivalent features of any signal and description (or in which part) using these terms and statement, answer
Recognize that various modifications that may be present should also be included in scope of the claims.Other modifications, variations and alternatives may also deposit
?.Correspondingly, claim should be regarded as covering all these equivalents.
Equally, it should be pointed out that although the utility model is described with reference to current specific embodiment, this skill
Those of ordinary skill in art field it should be appreciated that more than embodiment be intended merely to illustrate the utility model, do not taking off
Various equivalent change or replacement can be also made in the case where from the spirit of the present invention, therefore, as long as in the utility model
The variation, modification of above-described embodiment will all be fallen in the range of following claims in spirit.
Claims (6)
1. a kind of electrical power monitoring device for railway locomotive, which is characterized in that the electrical power monitoring device includes: CPU control
Device, ADC Acquisition Circuit, communication interface circuit, electric voltage observation circuit, current monitoring circuit, current sensor, signal processing electricity
Road；Wherein:
The current sensor obtains the current data of equipment under test；
The signal processing circuit provides power supply excitation, and the letter that the current sensor is exported for the current sensor
Number be converted to electric current ring signal in a linear relationship；
The current monitoring circuit is isolated by the signal after signal processing by optocoupler, and by the electric current ring signal into
Row amplification and filtering processing, are converted to corresponding voltage signal, are sent to the ADC Acquisition Circuit；
Electrical locomotive power voltage is divided and is isolated by the electric voltage observation circuit, and being converted to can be by the electricity of ADC Acquisition Circuit
Press signal；
The ADC Acquisition Circuit, the plurality of voltages signal that will acquire are acquired, and data are sent to CPU control by bus
Device processed；
The cpu controller, the data obtained to the ADC Acquisition Circuit are handled, are judged, are stored, and by required transmission
Data TSC radio transmission apparatus is sent to by the communication interface circuit, thus by car-ground radio transmission be sent to letter
Breathization ground system.
2. electrical power monitoring device as described in claim 1, which is characterized in that the current sensor is monitored using non-tandem
Mode.
3. electrical power monitoring device as described in claim 1, which is characterized in that the current sensor pincers are in the equipment under test
Power supply line on to obtain the current data of the equipment under test.
4. electrical power monitoring device as described in claim 1, which is characterized in that the range of the electric current ring signal be 4mA~
20mA。
5. electrical power monitoring device as described in claim 1, which is characterized in that the communication interface circuit includes RS485 interface
Circuit and industry ethernet.
6. electrical power monitoring device as described in claim 1, which is characterized in that the equipment under test includes LKJ2000, LKJ-
One or more of 15C, ATP, TAX, TSC mobile unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292530.8U CN209132404U (en) | 2018-08-10 | 2018-08-10 | A kind of electrical power monitoring device for railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821292530.8U CN209132404U (en) | 2018-08-10 | 2018-08-10 | A kind of electrical power monitoring device for railway locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN209132404U true CN209132404U (en) | 2019-07-19 |
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ID=67228349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821292530.8U Active CN209132404U (en) | 2018-08-10 | 2018-08-10 | A kind of electrical power monitoring device for railway locomotive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879368A (en) * | 2019-12-23 | 2020-03-13 | 卡斯柯信号(北京)有限公司 | ITCS vehicle-mounted power supply data monitoring method and device |
| CN111624384A (en) * | 2020-06-05 | 2020-09-04 | 深圳供电局有限公司 | Partial pressure monitoring anti-interference device |
-
2018
- 2018-08-10 CN CN201821292530.8U patent/CN209132404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110879368A (en) * | 2019-12-23 | 2020-03-13 | 卡斯柯信号(北京)有限公司 | ITCS vehicle-mounted power supply data monitoring method and device |
| CN111624384A (en) * | 2020-06-05 | 2020-09-04 | 深圳供电局有限公司 | Partial pressure monitoring anti-interference device |
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