CN204008834U - For railway choke transformer from monitoring equipment - Google Patents
For railway choke transformer from monitoring equipment Download PDFInfo
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- CN204008834U CN204008834U CN201420371138.8U CN201420371138U CN204008834U CN 204008834 U CN204008834 U CN 204008834U CN 201420371138 U CN201420371138 U CN 201420371138U CN 204008834 U CN204008834 U CN 204008834U
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Abstract
The utility model relate to a kind of for railway choke transformer from monitoring equipment, containing and passing sense device ﹑ signal amplification mould piece ﹑ master control molding piece ﹑ communication module and power module from monitoring equipment for railway choke transformer, sensor contains first sensor and the second sensor, in main control module, contain central processing unit, first sensor and the second sensor are arranged on respectively on the inlead and extension line of railway choke transformer internal traction electric current, the signal output part of first sensor and the second sensor is connected with two signal input parts of signal amplification module respectively, two signal output parts of signal amplification module are connected with two input end of analog signal of central processing unit respectively, the CAN communication port of central processing unit is connected with CAN bus by communication module, power module is that Chuan Gan Qi ﹑ signal amplifies Mo Kuai ﹑ main control module and communication module power supply, the utility model An dress Ling Huo ﹑ is easy to use, and reliability Qiang ﹑ measures accurately simultaneously.
Description
(1), technical field: the utility model relates to a kind of from monitoring equipment, particularly a kind of for railway choke transformer from monitoring equipment.
(2), background technology: in railway signal field, the safety and stability of choke transformer draws for conducting Qian the normal work important in inhibiting that electricity Liu ﹑ maintains signal track circuit.
Along with the generally application of railway power traction aspect full electrification and Harmony unit, traction current overall distribution is also increasing for the impact of track signal.Boosting cable (insulated cable), rail, the earth all change at most of station track to some extent for the normal general layout in three minutes world of traction current.The specific environment impact of laying due to various places soil environment and railway, the traction current component by line residual current can be attached to rail return current in a large number, makes at a lot of station tracks, and the traction current capacity of returns of rail occupies integral back-flow amount and approaches 2/3.Meanwhile, the inner orbit section of standing, rail is unavoidable impedance unbalance in the use of accumulating over a long period, thereby makes originally with regard to abnormal traction current, to increase property by certain one steel rail.
Under this environment, add electrified impulse disturbances complicated in station, track circuit is easy to occur on the open signal Guan Bi ﹑ control desk of track relay short time Luo Xia ﹑ the faults such as azarin light belt, affects conevying efficiency, burning apparatus even when serious, jeopardizes personal safety.
Aspect existing signal maintenance, increase the on-line real time monitoring of choke transformer unbalance factor, will signalling arrangement be safeguarded and be brought great convenience.
(3), utility model content:
The technical problems to be solved in the utility model is: provide a kind of for railway choke transformer from monitoring equipment, should be easy to use from monitoring equipment An dress Ling Huo ﹑, reliability Qiang ﹑ measures accurately simultaneously.
The technical solution of the utility model:
A kind of for railway choke transformer from monitoring equipment, contain and pass sense device ﹑ signal amplification mould piece ﹑ master control molding piece ﹑ communication module and power module, sensor contains first sensor and the second sensor, in main control module, contain central processing unit, first sensor and the second sensor are arranged on respectively on the inlead and extension line of railway choke transformer internal traction electric current, the signal output part of first sensor and the second sensor is connected with two signal input parts of signal amplification module respectively, two signal output parts of signal amplification module are connected with two input end of analog signal of central processing unit respectively, the CAN communication port of central processing unit is connected with CAN bus by communication module, power module is that Chuan Gan Qi ﹑ signal amplifies Mo Kuai ﹑ main control module and communication module power supply.The model of central processing unit is TMS320F28016.
Signal amplifies mould piece ﹑ master control molding piece ﹑ communication module and power module is installed on the upper inside of railway choke transformer with the form of self-contained support.
In signal amplification module, contain a fortune and calculate and to put large device ﹑ the 2nd fortune and calculate and put large device ﹑ the 3rd fortune and calculate and put large device ﹑ four-operational amplifier and the 5th operational amplifier, a fortune is calculated and is put large device ﹑ the 2nd fortune and calculate and put large device ﹑ the 3rd fortune and calculate the forward power end of putting large device ﹑ four-operational amplifier and the 5th operational amplifier and be connected with forward power supply and reverse power supply respectively with reverse electrical source end; The signal of the signal output part of first sensor is amplified into the first input end of analog signal of central processing unit successively through the first operational amplifier and the second operational amplifier, the signal of the signal output part of the second sensor is amplified into the second input end of analog signal of central processing unit successively through the 3rd operational amplifier and four-operational amplifier; The output of forward power supply also enters into the positive input of the 5th operational amplifier, the reverse input end of the 5th operational amplifier is connected with output terminal, and the signal of the output terminal of the 5th operational amplifier enters the positive input of the second operational amplifier and four-operational amplifier.The one fortune is calculated and to be put large device ﹑ the 2nd fortune and calculate the model of putting large device ﹑ the 3rd operational amplifier and four-operational amplifier and be: LF442; The model of the 5th operational amplifier is: OP-07.
The job information of first sensor and the second sensor sample railway choke transformer (introduce traction current and draw traction current), the sampling upper limit of each sensor is to 600A, first sensor and the second sensor bulk is little, precision is high, convenient installation.The model of first sensor and the second sensor is respectively CT53C series 500A and CT53C series 250mA.
In communication module, contain CAN and receive a device ﹑ mould filter ripple device ﹑ voltage stabilizing diode and gas-discharge tube altogether, the CAN communication port of central processing unit is connected with the communication port of CAN transceiver, the CAN bus signals mouth of CAN transceiver is connected to CAN bus by common-mode filter, goes back and be connected to voltage stabilizing diode and gas-discharge tube on the delivery outlet of common-mode filter.Mould filter ripple device ﹑ voltage stabilizing diode and gas-discharge tube form EMC guard assembly jointly altogether, prevent that external interference and thunder and lightning from attacking.The model of CAN transceiver is: ADM3053;
In communication module, also contain communication pilot lamp, the signal of the CAN communication port of central processing unit amplifies rear drive communication pilot lamp by triode and works.
In power module, containing thoughts, answer the electric pressure converter ﹑ second voltage converter of the whole stream device of device ﹑ ﹑ first and tertiary voltage converter, inductor is arranged on the inlead or extension line of railway choke transformer internal traction electric current, inductor produces induced electricity by the energy of the work capacity field of induction railway choke transformer, the output of inductor is input to the input end of the first electric pressure converter after rectifier rectification, the communication module of exporting to of the first electric pressure converter is powered, the output of the first electric pressure converter also enters into the input end of second voltage converter and tertiary voltage converter, the signal amplification module of exporting to of second voltage converter is powered, the main control module of exporting to of tertiary voltage converter is powered.The model of the first electric pressure converter is: LM5000; The model of second voltage converter is: TPS60000; The model of tertiary voltage converter is: TPS767.
In railway choke transformer duty, by there being the power source-traction current of electric power train, by inductor, respond to the energy of this energy field, and transform and stablize this energy and form and can supply for the power supply of other module work by rectifier and electric pressure converter.The model of inductor is LH-ELGY01.
In main control module, also contain Bian code Kai Guan ﹑ Cun Chu Qi ﹑ temperature sensor and pattern jumper wire device is set, code switch is connected with the coded signal input port of central processing unit, storer is connected with the serial storage mouthful of central processing unit, temperature sensor is connected with the temperature input end of central processing unit, and pattern arranges jumper wire device and with the pattern of central processing unit, input end is set and is connected.
The model of temperature sensor is: DS18B20; The model of storer is: 24C02.
The beneficial effects of the utility model:
Of the present utility model one from the corresponding choke transformer of monitoring equipment, pass through code switch
Can from monitoring equipment, carry out absolute coding to each, can, according to working site environment networking, possess extendability flexibly.Only need order wire to be connected with indoor terminal, for Railway Site complex environment, have very high adaptability simultaneously.
2. communication module of the present utility model adopts perfect EMC protection Design, for Railway Site
Complicated outdoor environment strong adaptability, can high stable, work highly reliably.Communication module adopts active reporting mechanism, and real-time is high, data Zhun Que ﹑ does not have time delay, and simultaneously a plurality of when monitoring equipment is interconnected, passage possesses arbitration mechanism, thereby effectively guarantees the completeness and efficiency of data.
(4), accompanying drawing explanation:
Fig. 1 is one of circuit theory schematic diagram of main control module;
Fig. 2 be main control module circuit theory schematic diagram two;
Fig. 3 is the circuit theory schematic diagram of signal amplification module;
Fig. 4 is the circuit theory schematic diagram of communication module;
Fig. 5 is the circuit theory schematic diagram of power module.
(5), embodiment:
Referring to Fig. 1～Fig. 5, in figure, containing and passing sense device ﹑ signal amplification mould piece ﹑ master control molding piece ﹑ communication module and power module from monitoring equipment for railway choke transformer, sensor contains first sensor and the second sensor, in main control module, contain central processing unit U1, first sensor and the second sensor are arranged on respectively on the inlead and extension line of railway choke transformer internal traction electric current, the signal output part of first sensor and the second sensor is connected with two signal input parts of signal amplification module respectively, two signal output parts of signal amplification module are connected with two input end of analog signal of central processing unit U1 respectively, the CAN communication port of central processing unit U1 (CANRXA ﹑ CANTXA) is connected with CAN bus by communication module, power module is that Chuan Gan Qi ﹑ signal amplifies Mo Kuai ﹑ main control module and communication module power supply.The model of central processing unit U1 is TMS320F28016.
Signal amplifies mould piece ﹑ master control molding piece ﹑ communication module and power module is installed on the upper inside of railway choke transformer with the form of self-contained support.
In signal amplification module, contain first operational amplifier U7A ﹑ the second operational amplifier U7B ﹑ the 3rd operational amplifier U8A ﹑ four-operational amplifier U8B and the 5th operational amplifier U9, the forward power end of first operational amplifier U7A ﹑ the second operational amplifier U7B ﹑ the 3rd operational amplifier U8A ﹑ four-operational amplifier U8B and the 5th operational amplifier U9 is connected with reverse power supply with forward power supply respectively with reverse electrical source end; The signal of the signal output part of first sensor is amplified into the first input end of analog signal ADCINA5 of central processing unit U1 successively through the first operational amplifier U7A and the second operational amplifier U7B, the signal of the signal output part of the second sensor is amplified into the second input end of analog signal ADCINA6 of central processing unit U1 successively through the 3rd operational amplifier U8A and four-operational amplifier U8B; The output of forward power supply also enters into the positive input of the 5th operational amplifier U9, the reverse input end of the 5th operational amplifier U9 is connected with output terminal, and the signal of the output terminal of the 5th operational amplifier U9 enters the positive input of the second operational amplifier U7B and four-operational amplifier U8B.The model of first operational amplifier U7A ﹑ the second operational amplifier U7B ﹑ the 3rd operational amplifier U8A and four-operational amplifier U8B is: LF442; The model of the 5th operational amplifier U9 is: OP-07.
The job information of first sensor and the second sensor sample railway choke transformer (introduce traction current and draw traction current), the sampling upper limit of each sensor is to 600A, first sensor and the second sensor bulk is little, precision is high, convenient installation.The model of first sensor and the second sensor is respectively CT53C series 500A and CT53C series 250mA.
In communication module, contain CAN transceiver U11 ﹑ common-mode filter L10 ﹑ voltage stabilizing diode D11 ﹑ D12 ﹑ D13 and gas-discharge tube G1, the CAN communication port of central processing unit U1 (CANRXA ﹑ CANTXA) is connected with the communication port (CAN_RXD ﹑ CAN_TXD) of CAN transceiver, the CAN bus signals mouth of CAN transceiver (CANL ﹑ CANH) is connected to CAN bus by common-mode filter L10, goes back and be connected to voltage stabilizing diode D11 ﹑ D12 ﹑ D13 and gas-discharge tube G1 on the delivery outlet of common-mode filter L10.Common-mode filter L10 ﹑ voltage stabilizing diode D11 ﹑ D12 ﹑ D13 and gas-discharge tube G1 form EMC guard assembly jointly, prevent that external interference and thunder and lightning from attacking.The model of CAN transceiver U11 is: ADM3053;
In communication module, also contain communication pilot lamp LED1A ﹑ LED2A, the signal of the CAN communication port of central processing unit U1 (CANRXA ﹑ CANTXA) amplifies rear drive communication pilot lamp LED1A ﹑ LED2A by triode T1 ﹑ T2 and works.
In power module, containing thoughts, answer device ﹑ rectifier U4 ﹑ the first electric pressure converter U5 ﹑ second voltage converter U10 and tertiary voltage converter U6, inductor is arranged on the inlead or extension line of railway choke transformer internal traction electric current, inductor produces induced electricity by the energy of the work capacity field of induction railway choke transformer, the output of inductor is input to the input end of the first electric pressure converter U5 after rectifier U4 rectification, the communication module of exporting to of the first electric pressure converter U5 is powered, the output of the first electric pressure converter U5 also enters into the input end of second voltage converter U10 and tertiary voltage converter U6, the signal amplification module of exporting to of second voltage converter U10 is powered, the main control module of exporting to of tertiary voltage converter U6 is powered.The model of the first electric pressure converter U5 is: LM5000; The model of second voltage converter U10 is: TPS60000; The model of tertiary voltage converter U6 is: TPS767.
In railway choke transformer duty by there being the power source-traction current of electric power train, by inductor, respond to the energy of this energy field, and transform and stablize this energy and form and can supply for the power supply of other module work by rectifier U4 and electric pressure converter.The model of inductor is LH-ELGY01.
In main control module, also contain code switch JP1 ﹑ storer U3 ﹑ temperature sensor U2 ﹑ mode of operation and arrange that Tiao Xian Qi ﹑ loading mode arranges jumper wire device and simulation model arranges jumper wire device, code switch JP1 is connected with the coded signal input port (GPIO4-GPIO11) of central processing unit U1, storer U3 is connected with the serial storage mouthful (a SDAA ﹑ SCLA) of central processing unit U1, temperature sensor U2 is connected with the temperature input end GPIO16 of central processing unit U1, mode of operation arranges Tiao Xian Qi ﹑ loading mode and jumper wire device and simulation model are set jumper wire device is set with the pattern of central processing unit U1, input end GPIO18 ﹑ GPIO29 ﹑ GPIO34 is set respectively and is connected.
The model of temperature sensor U2 is: DS18B20; The model of storer U3 is: 24C02.
Claims (6)
- One kind for railway choke transformer from monitoring equipment, contain and pass sense device ﹑ signal amplification mould piece ﹑ master control molding piece ﹑ communication module and power module, it is characterized in that: sensor contains first sensor and the second sensor, in main control module, contain central processing unit, first sensor and the second sensor are arranged on respectively on the inlead and extension line of railway choke transformer internal traction electric current, the signal output part of first sensor and the second sensor is connected with two signal input parts of signal amplification module respectively, two signal output parts of signal amplification module are connected with two input end of analog signal of central processing unit respectively, the CAN communication port of central processing unit is connected with CAN bus by communication module, power module is that Chuan Gan Qi ﹑ signal amplifies Mo Kuai ﹑ main control module and communication module power supply.
- According to claim 1 for railway choke transformer from monitoring equipment, it is characterized in that: in described signal amplification module, contain a fortune and calculate and to put large device ﹑ the 2nd fortune and calculate and put large device ﹑ the 3rd fortune and calculate and put large device ﹑ four-operational amplifier and the 5th operational amplifier, a fortune is calculated and put large device ﹑ the 2nd fortune and calculate and put large device ﹑ the 3rd fortune and calculate the forward power end of putting large device ﹑ four-operational amplifier and the 5th operational amplifier and be connected with forward power supply and reverse power supply respectively with reverse electrical source end; The signal of the signal output part of first sensor is amplified into the first input end of analog signal of central processing unit successively through the first operational amplifier and the second operational amplifier, the signal of the signal output part of the second sensor is amplified into the second input end of analog signal of central processing unit successively through the 3rd operational amplifier and four-operational amplifier; The output of forward power supply also enters into the positive input of the 5th operational amplifier, the reverse input end of the 5th operational amplifier is connected with output terminal, and the signal of the output terminal of the 5th operational amplifier enters the positive input of the second operational amplifier and four-operational amplifier.
- According to claim 1 for railway choke transformer from monitoring equipment, it is characterized in that: in described communication module, contain CAN and receive a device ﹑ mould filter ripple device ﹑ voltage stabilizing diode and gas-discharge tube altogether, the CAN communication port of central processing unit is connected with the communication port of CAN transceiver, the CAN bus signals mouth of CAN transceiver is connected to CAN bus by common-mode filter, goes back and be connected to voltage stabilizing diode and gas-discharge tube on the delivery outlet of common-mode filter.
- According to claim 3 for railway choke transformer from monitoring equipment, it is characterized in that: in described communication module, also contain communication pilot lamp, the signal of the CAN communication port of central processing unit amplifies rear drive communication pilot lamp by triode and works.
- According to claim 1 for railway choke transformer from monitoring equipment, it is characterized in that: in described power module, containing thoughts, answer the electric pressure converter ﹑ second voltage converter of the whole stream device of device ﹑ ﹑ first and tertiary voltage converter, inductor is arranged on the inlead or extension line of railway choke transformer internal traction electric current, the output of inductor is input to the input end of the first electric pressure converter after rectifier rectification, the communication module of exporting to of the first electric pressure converter is powered, the output of the first electric pressure converter also enters into the input end of second voltage converter and tertiary voltage converter, the signal amplification module of exporting to of second voltage converter is powered, the main control module of exporting to of tertiary voltage converter is powered.
- According to claim 1 for railway choke transformer from monitoring equipment, it is characterized in that: in described main control module, also contain Bian code Kai Guan ﹑ Cun Chu Qi ﹑ temperature sensor and pattern jumper wire device is set, code switch is connected with the coded signal input port of central processing unit, storer is connected with the serial storage mouthful of central processing unit, temperature sensor is connected with the temperature input end of central processing unit, and pattern arranges jumper wire device and with the pattern of central processing unit, input end is set and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371138.8U CN204008834U (en) | 2014-07-07 | 2014-07-07 | For railway choke transformer from monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371138.8U CN204008834U (en) | 2014-07-07 | 2014-07-07 | For railway choke transformer from monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008834U true CN204008834U (en) | 2014-12-10 |
Family
ID=52048813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371138.8U Withdrawn - After Issue CN204008834U (en) | 2014-07-07 | 2014-07-07 | For railway choke transformer from monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166038A (en) * | 2014-07-07 | 2014-11-26 | 李辉 | Self-monitoring device used for railway choke transformer |
| CN110095668A (en) * | 2019-04-30 | 2019-08-06 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Track circuit choke transformer job information real time on-line monitoring system, method |
-
2014
- 2014-07-07 CN CN201420371138.8U patent/CN204008834U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166038A (en) * | 2014-07-07 | 2014-11-26 | 李辉 | Self-monitoring device used for railway choke transformer |
| CN104166038B (en) * | 2014-07-07 | 2017-08-04 | 郑州路宏铁路器材有限公司 | For railway choke transformer from monitoring device |
| CN110095668A (en) * | 2019-04-30 | 2019-08-06 | 佳讯飞鸿（北京）智能科技研究院有限公司 | Track circuit choke transformer job information real time on-line monitoring system, method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20170804 |