CN208013312U - The detection device of series resonance inductor in traction convertor - Google Patents
The detection device of series resonance inductor in traction convertor Download PDFInfo
- Publication number
- CN208013312U CN208013312U CN201820472766.3U CN201820472766U CN208013312U CN 208013312 U CN208013312 U CN 208013312U CN 201820472766 U CN201820472766 U CN 201820472766U CN 208013312 U CN208013312 U CN 208013312U
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- China
- Prior art keywords
- series resonance
- resonance inductor
- detection
- traction convertor
- wiring board
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- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model discloses a kind of detection devices of series resonance inductor in traction convertor,The operating current of series resonance inductor is detected by current sensor,Voltage sensor detects the operating voltage of series resonance inductor,The operating temperature of temperature sensor detection coil,Realize the monitoring to series resonance inductor itself critical operational parameters,It is sent into detection wiring board by the signal of each sensor,Each signal is sampled by detection wiring board and calculates inductance real-time working electric current,Voltage drop,Inductance value,The data such as coil temperature,And it is sent in train communication network by ethernet communication interface,As a part for train real time data,So as to greatly enhance the operational monitoring of traction convertor,Greatly facilitate the repair when daily maintenance and failure of traction convertor,When failure occurs,It can check the historical data of the related series resonance inductor operation of train communication network,Strong reference is provided for correct failure judgement reason.
Description
Technical field
The utility model is related to converter topology field, it is specifically related to series resonance inductor in a kind of traction convertor
Detection device.
Background technology
Series-resonant inductor in train traction current transformer is the important component in train traction current transformer, is responsible for leading
The DC bus drawn in current transformer is filtered, if the series resonance inductor outlet failure, traction convertor where causing is not
It can work normally, seriously affect the normal operation of train.But existing series resonance inductor, an only simple inductance,
Current inductance working condition can not be known when operation.In today of high ferro motor-car rapid development, reinforce the detection to inductance and guarantor
Shield is necessary.
Invention content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of detections of series resonance inductor in traction convertor
Device realizes the monitoring to series resonance inductor itself critical operational parameters.
What the technical solution of the utility model was realized in：
The detection device of series resonance inductor, includes for detecting the series resonance inductor in a kind of traction convertor
The detection module of live signal, the detection module are the current sense of the current signal for detecting the series resonance inductor
Device, the voltage sensor of voltage signal for detecting the series resonance inductor and for detecting the series resonance inductor
At least one of temperature sensor of operating tempera-ture signal, the detection device further include being electrically connected use with the detection module
In the detection wiring board that each live signal is sampled to and calculated required data.
Further, the detection wiring board has the communication interface of each required data output.
Further, the traction convertor is applied on train, and the communication interface is ethernet communication interface, described
Detection wiring board is exported required data to train communication network by ethernet communication interface.
Further, the detection wiring board, current sensor and the voltage sensor are installed on the series resonance
In the terminal box of inductance, the temperature sensor is installed in the coil of the series resonance inductor.
The utility model has the beneficial effects that：The utility model provides a kind of inspection of series resonance inductor in traction convertor
Device is surveyed, the operating current of series resonance inductor is detected by current sensor, voltage sensor detects series resonance inductor
Operating voltage, the operating temperature of temperature sensor detection coil realize the prison to series resonance inductor itself critical operational parameters
It surveys, detection wiring board is sent by the signal of each sensor, each signal is sampled by detection wiring board and calculates electricity
Feel the data such as real-time working electric current, voltage drop, inductance value, coil temperature, and train communication is sent to by ethernet communication interface
In network, series resonance inductor can be made to access train communication network, become a part for train real time data, therefore, this practicality
The novel operational monitoring that can greatly enhance traction convertor greatly facilitates the dimension when daily maintenance and failure of traction convertor
It repaiies, and when failure occurs, the historical data of the related series resonance inductor operation of train communication network can be checked, correctly to sentence
Disconnected failure cause provides strong reference.
Description of the drawings
Fig. 1 is the functional block diagram of the detection device of series resonance inductor in the utility model traction convertor；
Fig. 2 is the scheme of installation of the detection device of series resonance inductor in traction convertor in the utility model；
Fig. 3 is the circuit diagram of the detection device of series resonance inductor in the utility model traction convertor.
Specific implementation mode
To keep the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to specific embodiment of the present utility model
It is described in detail.
As shown in Figure 1, in a kind of traction convertor series resonance inductor detection device, including be used to detect the series connection
The detection module of the live signal of resonant inductance, the detection module are the current signal for detecting the series resonance inductor
Current sensor, voltage signal for detecting the series resonance inductor voltage sensor and for detecting the series connection
At least one of temperature sensor of operating tempera-ture signal of resonant inductance, it is preferred that the detection module is by current sense
Device, voltage sensor and temperature sensor composition, the detection device further include be electrically connected with the detection module be used for will be each
Live signal is sampled and calculates the detection wiring board of required data.In this way, detecting series resonance by current sensor
The operating current of inductance, voltage sensor detect the operating voltage of series resonance inductor, the work of temperature sensor detection coil
Temperature is sent into detection, it can be achieved that monitoring to series resonance inductor itself critical operational parameters by the signal of each sensor
Each signal is sampled by detection wiring board and calculates series resonance inductor real-time working electric current, voltage drop, electricity by wiring board
The data such as sensibility reciprocal, coil temperature can provide strong reference for correct failure judgement reason.
Preferably, the detection wiring board has the communication interface of each required data output.Preferably, the traction becomes
It flows device to be applied on train, the communication interface is ethernet communication interface, and the detection wiring board is connect by ethernet communication
Mouth exports required data to train communication network.In this way, detection wiring board is electric by series resonance by ethernet communication interface
The data such as sense real-time working electric current, voltage drop, inductance value, coil temperature are transported in train communication network, can make series resonance
Inductance accesses train communication network, becomes a part for train real time data, so as to greatly enhance the fortune of traction convertor
Row monitoring, greatly facilitates the repair when daily maintenance and failure of traction convertor, when failure occurs, can check that train is logical
Interrogate the historical data of the related series resonance inductor operation of network.Above-mentioned communication connection is the preferable mode being applied on train, but
Without being limited thereto, the communication interface for detecting wiring board can also be other wired or wireless communication interfaces.
The detection device of series resonance inductor is excellent when in applied to traction convertor in the utility model traction convertor
Choosing, increase detection device in the terminal box 5 of series resonance inductor 1, detection wiring board, current sensor 2 and voltage are passed
3 reasonable installation of sensor participates in Fig. 2 in the terminal box in series resonance inductor, and another temperature sensor 4 is installed on series resonance electricity
In the coil of sense, and access the detection wiring board in the terminal box of series resonance inductor.In this way, can to series resonance inductor into
Row monitoring, will not increase design space needs.Fig. 3 show current sensor 2, voltage sensor 3 and temperature sensor 4 with
The circuit diagram that series resonance inductor 1 connects, wherein current sensor are connected into the end of incoming cables of series resonance inductor, to detect series connection
The inlet wire operating current of resonant inductance, voltage sensor parallel connection is into the coil both ends of series resonance inductor, to detect series resonance
The coil working voltage of inductance, temperature sensor are placed in the coil of series resonance inductor, to detect the line of series resonance inductor
The signal of the operating temperature of circle, each sensor is sent into detection wiring board, and each signal is sampled and counted by detection wiring board
The data such as inductance real-time working electric current, voltage drop, inductance value, coil temperature are calculated, and row are sent to by ethernet communication interface
In vehicle communication network.
Above example is that the preferred embodiment of the utility model is described in detail with reference to attached drawing.The skill of this field
Art personnel are by carrying out above-described embodiment modification or change on various forms, but the feelings of the essence without departing substantially from the utility model
Under condition, all fall within the scope of the present invention.
Claims (4)
1. the detection device of series resonance inductor in a kind of traction convertor, it is characterised in that：Including being used to detect the series connection
The detection module of the live signal of resonant inductance, the detection module are the current signal for detecting the series resonance inductor
Current sensor, voltage signal for detecting the series resonance inductor voltage sensor and for detecting the series connection
At least one of temperature sensor of operating tempera-ture signal of resonant inductance, the detection device further include and the detection mould
Block is electrically connected the detection wiring board for each live signal to be sampled to and calculated required data.
2. the detection device of series resonance inductor in traction convertor according to claim 1, which is characterized in that the inspection
Surveying wiring board has the communication interface of each required data output.
3. the detection device of series resonance inductor in traction convertor according to claim 2, which is characterized in that described to lead
Draw current transformer applied on train, the communication interface is ethernet communication interface, and the detection wiring board passes through ether Netcom
Communication interface exports required data to train communication network.
4. the detection device of series resonance inductor in traction convertor according to claim 1, which is characterized in that the inspection
It surveys wiring board, current sensor and the voltage sensor to be installed in the terminal box of the series resonance inductor, the temperature
Sensor is installed in the coil of the series resonance inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472766.3U CN208013312U (en) | 2018-04-04 | 2018-04-04 | The detection device of series resonance inductor in traction convertor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472766.3U CN208013312U (en) | 2018-04-04 | 2018-04-04 | The detection device of series resonance inductor in traction convertor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013312U true CN208013312U (en) | 2018-10-26 |
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ID=63891966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820472766.3U Active CN208013312U (en) | 2018-04-04 | 2018-04-04 | The detection device of series resonance inductor in traction convertor |
Country Status (1)
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| CN (1) | CN208013312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929506A (en) * | 2020-07-14 | 2020-11-13 | 同济大学 | Method for extracting stray inductance parameters of converter |
| CN114815629A (en) * | 2022-07-01 | 2022-07-29 | 天津市职业大学 | Method for evaluating working state of intelligent networking automobile inductor |
-
2018
- 2018-04-04 CN CN201820472766.3U patent/CN208013312U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929506A (en) * | 2020-07-14 | 2020-11-13 | 同济大学 | Method for extracting stray inductance parameters of converter |
| CN114815629A (en) * | 2022-07-01 | 2022-07-29 | 天津市职业大学 | Method for evaluating working state of intelligent networking automobile inductor |
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