CN202433040U - Device for monitoring traction substation environments in real time - Google Patents
Device for monitoring traction substation environments in real time Download PDFInfo
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- CN202433040U CN202433040U CN2012200037746U CN201220003774U CN202433040U CN 202433040 U CN202433040 U CN 202433040U CN 2012200037746 U CN2012200037746 U CN 2012200037746U CN 201220003774 U CN201220003774 U CN 201220003774U CN 202433040 U CN202433040 U CN 202433040U
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Abstract
The utility model relates to a device for monitoring traction substation environments in real time. The device for monitoring the traction substation environments in real time comprises a digital signal processor (DSP), a complex programmable logic device (CPLD), a signal conditioning circuit, an analog to digital conversion circuit t, a photoelectric isolating circuit, a CAN (controller area network) bus interface drive, a power supply module and an RS (Recommended Standard)-232 interface circuit. The signal conditioning circuit is respectively connected with three voltage-type analog signal sensors, a current-to-voltage converter and the analog to digital conversion circuit, the current-to-voltage converter is connected with a current-type analog signal sensor, the CPLD is respectively connected with the analog to digital conversion circuit, the DSP and the RS-232 interface circuit, the CAN bus interface drive is connected with the DSP via the photoelectric isolating circuit, and the power supply module supplies power for the elements in the device for monitoring the traction substation environments in real time. The device for monitoring the traction substation environments in real time can be connected with three voltage-type analog signal sensors and one current-type analog signal sensor to collect environment information such as the temperature, the humidity, the smoke, the illumination intensity and the water leakage level, thereby bringing convenience for a control center to find and solve the comprehensive environmental problems and guaranteeing reliable operation of locomotives.
Description
Technical field
The utility model relates to the environmental monitoring field, relate in particular to Traction Substation of Electric Railway and around humiture, flue gas, light, the traction substation environment real time monitoring device of ambient conditions such as leak.
Background technology
Along with the enforcement of the medium-term and long-term railway network planning of China, the railway construction of China has welcome new round peak, and especially high-speed railway becomes the emphasis of railway construction.Traction substation is as the house substation of railway electric propulsion; Comprise subregion booth, switching station, AT institute etc.; The responsibility of bearing transformation, transmit and passing on is being deposited tractive transformer, power transformer, autotransformer, visual plants such as isolating switch, current transformer and voltage transformer (VT) in the institute; Electric substation and environment quality on every side thereof directly affect the reliability and the serviceable life of equipment, and then are related to the safety of locomotive passenger and transportation property.
A series of substation automation supervising devices and system have been developed both at home and abroad; Can gather, transmit and analyze the state parameter such as voltage, electric current, load of all types of electrical equipments; The less combined influence of taking electric substation and all kinds of factors of surrounding enviroment thereof into account; There is a small amount of system to pay close attention to the collection or the alarm of a certain environmental index; For example, the one Chinese patent application number main monitoring environment temperature of 201010612768.6 " unattended operation transformer station running environment long-distance intelligent is regulated and control system ", one Chinese patent application number 201010525810.0 " the provincial main station systems of transformer station's video and environmental monitoring " are mainly gathered the ambient video data; Though multiple environmental data is gathered by some systems; The but also monitoring demand for security of incompatibility substation; For example, one Chinese patent application number 200510024328.8 " a kind of environment monitoring and controlling devices " are mainly gathered sewage, foul smell and the noise data of outdoor environment, are applied to the environmental protection field.According to these systems; Be difficult to integrated environment information such as each equipment well moves required temperature, humidity, flue gas, light in comprehensive, the real-time grasp electric substation, leak; And then according to burst or the environment comprehensive situation of gradual change is in time pinpointed the problems and it is handled, ensure the reliability service of locomotive.
Summary of the invention
The utility model provides a kind of traction substation environment real time monitoring device; 3 road voltage-type analog sensors and 1 tunnel current mode analog sensor be can insert simultaneously, temperature, humidity, flue gas, the light of traction substation environment, situation such as leak monitored in real time.
The technical scheme of the utility model is:
A kind of traction substation environment real time monitoring device; Comprise: digital signal processor DSP, complex programmable logic device (CPLD), signal conditioning circuit, analog to digital conversion circuit, photoelectric isolating circuit, the driving of CAN EBI, supply module, RS-232 interface circuit; It is characterized in that: signal conditioning circuit links to each other with analog to digital conversion circuit with 3 voltage-type analog sensors, a current-to-voltage converter respectively; Current-to-voltage converter links to each other with a current mode analog sensor; CPLD links to each other with analog to digital conversion circuit, DSP, RS-232 interface circuit respectively; The CAN EBI drives through photoelectric isolating circuit and links to each other with DSP, and supply module is each the device power supply in this device.
The collection of all kinds of environmental datas of DSP computing, conditioning, A/D conversion, filtering, analytical calculation and regularly output;
CPLD receives the action command that said dsp processor transmits, and assists and carries out analog to digital conversion, driving PERCOM peripheral communication;
Signal conditioning circuit changes the analog voltage signal of sensor output into analog to digital conversion circuit range receptible voltage signal;
Current-to-voltage converter changes the analog current signal of current mode analog sensor output into analog to digital conversion circuit range receptible voltage signal;
Analog to digital conversion circuit carries out the multidigit sampling to 4 road Sensor Analog Relay System voltage signals after nursing one's health;
The CAN EBI that links to each other with the external data processing server drives, and the voltage data of No. four sensors and the result data after the Filtering Processing are organized into Frame, feeds back to host computer;
Photoelectric isolating circuit is used for the electrical isolation between said DSP and the driving of CAN EBI;
The RS-232 interface circuit that links to each other with said CPLD processor is responsible for the data interaction with host computer, can set initialization adjust numerical value with carry out system maintenance.
Described 3 voltage-type analog sensors are respectively voltage-type temperature sensor, voltage-type humidity sensor, voltage-type optical sensor.
Described current mode analog sensor is the current mode smoke transducer.
The utility model also comprises the FLASH storer, and the FLASH storer links to each other with DSP.Be used for the dsp operation program after the store compiled;
The utility model also comprises synchronous DRAM SDRAM, and synchronous DRAM SDRAM links to each other with DSP; Be used for storing the high capacity ephemeral data of DSP computation process.
Also comprise outer clock circuit, outer clock circuit links to each other with CPLD with DSP respectively, is the reference clock of this device.
Described supply module adopts the linear power supply chip, IO voltage 3.3V is provided, core voltage 1.2V.
The utility model can connect 3 road voltage-type analog signal sensors and 1 tunnel current mode analog signal sensors simultaneously; Environmental informations such as the temperature of collection transformer station, humidity, flue gas, intensity of illumination, the degree of leaking; Being convenient to Surveillance center in time finds the integrated environment problem and it is handled the reliability service of guarantee locomotive.
Description of drawings
Fig. 1 is the hardware block diagram of the utility model;
Fig. 2 is the circuit connection diagram that the utility model is communicated by letter with data server;
Fig. 3 is the internal work flow process figure of the dsp processor of the utility model.
Embodiment
Further specify below in conjunction with accompanying drawing and embodiment technical scheme the utility model.
In the following description, provided some detail so that making much of to a plurality of embodiment of the utility model.But, those skilled in the art can know do not have these details also can realize the utility model.In other cases, there are not detailed expression or description and the relevant known configurations of equipment such as computing machine, transmission medium, measuring equipment, recording unit, to avoid unnecessary interference description to the utility model embodiment.
Only if content needs, otherwise in instructions and claims, word " comprises " and change the meaning of " comprising " of being understood as that evolution, promptly " includes, but are not limited to ".
The utility model provides a kind of traction substation environment real time monitoring device; 3 road voltage-type analog sensors and 1 tunnel current mode analog sensor be can insert simultaneously, temperature, humidity, flue gas, the light of traction substation environment, situation such as leak monitored in real time.As shown in Figure 1; The utility model comprises digital signal processor DSP, complex programmable logic device (CPLD), signal conditioning circuit, analog to digital conversion circuit, photoelectric isolating circuit, the driving of CAN EBI, supply module, RS-232 interface circuit; Signal conditioning circuit links to each other with analog to digital conversion circuit with 3 voltage-type analog sensors, a current-to-voltage converter respectively; Current-to-voltage converter links to each other with a current mode analog sensor; CPLD links to each other with analog to digital conversion circuit, DSP, RS-232 interface circuit respectively, and the CAN EBI drives through photoelectric isolating circuit and links to each other with DSP, and supply module is each the device power supply in this device.Described 3 voltage-type analog sensors are respectively voltage-type temperature sensor, voltage-type humidity sensor, voltage-type optical sensor.Described current mode analog sensor is the current mode smoke transducer.
The collection of all kinds of environmental datas of DSP computing, conditioning, A/D conversion, filtering, analytical calculation and regularly output, in the present embodiment, the TMS320C6713 that selects for use TI company to produce;
CPLD receives the action command that said dsp processor transmits, and assist and carry out analog to digital conversion, driving PERCOM peripheral communication, in the present embodiment, the EPM1270 that selects for use altera corp to produce;
The signal conditioning circuit that links to each other with 3 road voltage-type analog sensors; Change the analog voltage signal of voltage-type analog sensor output into analog to digital conversion circuit range receptible voltage signal; In the present embodiment; Said voltage-type analog sensor can be voltage-type temperature, humidity, optical sensor, wherein, and the TMP35 that the voltage-type temperature sensor is produced for ANALOGDEVICES company; The voltage-type humidity sensor is the HIH4602-L-CP that Honeywell company produces, and the voltage-type optical sensor is the WLS-TH100 that towering figure company produces;
The current-to-voltage converter that links to each other with the current mode analog sensor; Change the analog current signal of current mode analog sensor output into analog to digital conversion circuit range receptible voltage signal; In the present embodiment, said current mode analog sensor is the HIS-07 current mode smoke transducer of Winsen company production;
Analog to digital conversion circuit carries out the multidigit sampling to 4 road Sensor Analog Relay System voltage signals after nursing one's health, and in the present embodiment, the chip of said A/D change-over circuit is the AD7656 that ANALOG DEVICES company produces, and comprises 6 input channels and 16 output accuracies;
The CAN EBI that links to each other with the external data processing server drives; The voltage data of No. four sensors and the result data after the Filtering Processing are organized into Frame; Feed back to host computer; In the present embodiment, said CAN EBI drive controlling chip is the PCA82C250 of Philips company production;
Drive the photoelectric isolating circuit that links to each other with said dsp processor with the CAN EBI, be used for the electrical isolation between said dsp processor and the CAN driving circuit, in the present embodiment, the 6N137 that the light isolating chip of selecting for use is produced for Avago company;
The FLASH storer that links to each other with said DSP, the dsp operation program after the store compiled, in the present embodiment, the AM29LV800B that selects for use AMD to produce;
The SDRAM storer that links to each other with said DSP, the high capacity ephemeral data in the storage DSP computation process, in the present embodiment, the IS42S16400 that selects for use ISSI company to produce;
The RS-232 interface circuit that links to each other with said CPLD is responsible for the data interaction with host computer, can set initialization adjust numerical value with carry out system maintenance, in the present embodiment, the main processing chip of selecting for use is the MAX232 that MAXIM company produces;
Outer clock circuit with said DSP links to each other with CPLD is the reference clock of device, in the present embodiment, and the SiT8002 that the active crystal oscillator of selecting for use is produced for SITIME company, frequency 50MHz;
The device supply module adopts the linear power supply chip, and IO voltage 3.3V is provided, core voltage 1.2V, in the present embodiment, the TPS54616 that said linear power supply chip is produced for TI company.
As shown in Figure 2, the environment monitoring device unification is installed in machine room precalculated position or the standard PC case, through the CAN bus, periodically gathers the analog sensor signal of each port, and signal through after analog to digital conversion and the filtering, is sent to the local data server; The local data server is unified interim storage to the signal that receives, and calculates the statistical index of each device, and through Ethernet interface, periodically sends to the remote monitoring server of control center; The remote monitoring server receive and the storage data after, carry out data distributing according to the requirement command of user terminal, and the sensor type and the duty of each environment monitoring device port be set through user instruction.
As shown in Figure 3, the internal work flow process of the DSP of environment monitoring device comprises: hardware initialization, empty SDRAM, and register is set, enable internal clocking and interrupt; The internal clocking interrupt routine periodically carries out asynchronous communication through CPLD inner SRAM and CPLD; Sensor type, numbering, the duty that to install each port on the one hand are stored among the SRAM, so that CPLD reads and passes to host computer through RS-232 interface; The user instruction of receiving sensor digital signal data and RS-232 interface on the other hand; The sensor digital signal data is carried out Filtering Processing and alert analysis; Utilize the CAN EBI to drive and send, and the device duty is adjusted according to the user instruction that host computer issues.
It should be noted last that; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (7)
1. traction substation environment real time monitoring device; Comprise digital signal processor DSP, complex programmable logic device (CPLD), signal conditioning circuit, analog to digital conversion circuit, photoelectric isolating circuit, the driving of CAN EBI, supply module, RS-232 interface circuit; It is characterized in that: signal conditioning circuit links to each other with analog to digital conversion circuit with 3 voltage-type analog sensors, a current-to-voltage converter respectively; Current-to-voltage converter links to each other with a current mode analog sensor; CPLD links to each other with analog to digital conversion circuit, DSP, RS-232 interface circuit respectively; The CAN EBI drives through photoelectric isolating circuit and links to each other with DSP, and supply module is each the device power supply in this device.
2. traction substation environment real time monitoring device according to claim 1 is characterized in that: described 3 voltage-type analog sensors are respectively voltage-type temperature sensor, voltage-type humidity sensor, voltage-type optical sensor.
3. traction substation environment real time monitoring device according to claim 1 is characterized in that: described current mode analog sensor is the current mode smoke transducer.
4. according to the described traction substation environment real time monitoring of one of claim 1-3 device, it is characterized in that: also comprise the FLASH storer, the FLASH storer links to each other with DSP.
5. according to the described traction substation environment real time monitoring of one of claim 1-3 device, it is characterized in that: also comprise synchronous DRAM SDRAM, synchronous DRAM SDRAM links to each other with DSP.
6. according to the described traction substation environment real time monitoring of one of claim 1-3 device, it is characterized in that: also comprise outer clock circuit, outer clock circuit links to each other with CPLD with DSP respectively.
7. according to the described traction substation environment real time monitoring of one of claim 1-3 device, it is characterized in that: described supply module, adopt the linear power supply chip, IO voltage 3.3V is provided, core voltage 1.2V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200037746U CN202433040U (en) | 2012-01-06 | 2012-01-06 | Device for monitoring traction substation environments in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200037746U CN202433040U (en) | 2012-01-06 | 2012-01-06 | Device for monitoring traction substation environments in real time |
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| Publication Number | Publication Date |
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| CN202433040U true CN202433040U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200037746U Expired - Lifetime CN202433040U (en) | 2012-01-06 | 2012-01-06 | Device for monitoring traction substation environments in real time |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779967A (en) * | 2014-02-13 | 2014-05-07 | 长沙威胜信息技术有限公司 | Measuring and controlling system used in distribution automation terminal and measuring and controlling module of measuring and controlling system |
| CN106444684A (en) * | 2016-12-02 | 2017-02-22 | 新疆信息产业有限责任公司 | Electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device and use method |
| CN107124036A (en) * | 2017-04-07 | 2017-09-01 | 国网湖北省电力公司襄阳供电公司 | A kind of power transformer monitoring system |
| CN109782671A (en) * | 2019-03-08 | 2019-05-21 | 苏州热工研究院有限公司 | A kind of Intelligent Data Collection System Terminal and system for nuclear power environment |
-
2012
- 2012-01-06 CN CN2012200037746U patent/CN202433040U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779967A (en) * | 2014-02-13 | 2014-05-07 | 长沙威胜信息技术有限公司 | Measuring and controlling system used in distribution automation terminal and measuring and controlling module of measuring and controlling system |
| CN103779967B (en) * | 2014-02-13 | 2016-03-09 | 长沙威胜信息技术有限公司 | For TT&C system and the observing and controlling module thereof of distribution power automation terminal |
| CN106444684A (en) * | 2016-12-02 | 2017-02-22 | 新疆信息产业有限责任公司 | Electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device and use method |
| CN107124036A (en) * | 2017-04-07 | 2017-09-01 | 国网湖北省电力公司襄阳供电公司 | A kind of power transformer monitoring system |
| CN109782671A (en) * | 2019-03-08 | 2019-05-21 | 苏州热工研究院有限公司 | A kind of Intelligent Data Collection System Terminal and system for nuclear power environment |
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| CX01 | Expiry of patent term |
Granted publication date: 20120912 |
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| CX01 | Expiry of patent term |