CN112510829A - Data processing unit, main monitoring module and device for high-speed rail through line power cable - Google Patents
Data processing unit, main monitoring module and device for high-speed rail through line power cable Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/001—Energy harvesting or scavenging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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Abstract
The invention discloses a data processing unit, a main monitoring module and a device for a power cable of a through line of a high-speed rail, which belong to the technical field of safe operation monitoring of high-speed rail infrastructures, and specifically comprise a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module; the data processing unit for the high-speed rail through wire power cable can realize the detection and remote monitoring of the temperature data and the circulation data of the high-speed rail through wire power cable, and provides informatization support for the safe operation and maintenance of the high-speed rail through wire.
Description
Technical Field
The invention belongs to the technical field of high-speed rail infrastructure operation monitoring, relates to an operation monitoring and maintenance management technology of a high-speed rail through wire power cable, and particularly relates to a data processing unit, a main monitoring module and a device for the high-speed rail through wire power cable.
Background
The high-speed railway power through line is mainly a system for supplying power to non-traction loads such as railway stations and line sections, the voltage level is 10kV, a single-core high-voltage cable is adopted, when the high-speed railway power through line runs in a power-on mode, due to the electromagnetic induction principle, induced voltage can be formed on a shielding layer and an armor layer, for personal and equipment safety, according to high-speed railway design specifications, cable middle joints are added every 3km, grounding measures are taken for the shielding layer and the armor layer, if the grounding is improper, the cable is heated or even burnt, and therefore the high-speed railway power through line needs to be monitored in real time. The real-time monitoring main means of the 10kV high-voltage cable of the high-speed railway power supply system at present comprises a plurality of portable infrared temperature measurement, online infrared monitoring, optical fiber temperature measurement, grounding current monitoring (detection) and the like, aiming at the portable infrared temperature measurement, the online real-time monitoring is difficult to realize, and the online infrared monitoring increases the workload of installation, construction and maintenance due to a plurality of measuring points, and is not beneficial to the field management work of the high-voltage cable; the ground current detection of the optical fiber temperature measurement needs to be monitored in real time in a wired connection mode, the field wiring is complex, the field construction workload is increased, the management and the maintenance are not easy, and the above monitoring modes are not organically integrated and can not form a unified whole.
Disclosure of Invention
Aiming at the problems that the existing high-speed rail through wire power cable is large in monitoring, installing, constructing and maintaining workload and not easy to integrally and organically manage, the invention provides a data processing unit, a main monitoring module and a device for the high-speed rail through wire power cable, which realize data transmission in a wireless communication or wired communication mode, accumulate and uniformly analyze data and grasp the running condition of the cable in real time, and the specific technical scheme is as follows:
the data processing unit for the high-speed rail through wire power cable comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through wire power cable and transmitting the detected temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the temperature data and transmitting the integrated induced current data and the temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and carrying out threshold alarm and display on the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module.
Further, the data processing unit for the high-speed rail through wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting working environment temperature data and working environment humidity data of the high-speed rail through wire power cable and transmitting the measured working environment temperature data and working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
The main monitoring module for the power cable of the high-speed rail through line comprises an induction power taking module, an energy collecting module, a power management module, an energy storage battery and the data processing unit for the high-speed rail through line;
the induction electricity taking module is used for generating electric energy through an electromagnetic induction principle and transmitting the generated electric energy to the energy collection module;
the energy collection module is used for receiving the electric energy generated by the induction electricity taking module, rectifying and filtering the received electric energy, and transmitting the rectified and filtered electric energy to the power management module;
the power supply management module is used for carrying out charging and discharging management on the electric energy subjected to rectification and filtering;
the energy storage battery stores electric energy through the power management module and supplies power to the data processing unit for the high-speed rail through line power cable.
Further, the data processing unit for the high-speed rail through wire power cable comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through wire power cable and transmitting the detected temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the working temperature data and transmitting the integrated induced current data and the working temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and processing the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module;
the energy storage battery is used for supplying power to the data integration module, the data processing module and the data transmission module.
Further, the data processing unit for the high-speed rail through wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting working environment temperature data and working environment humidity data of the high-speed rail through wire power cable and transmitting the measured working environment temperature data and working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
The use method of the main monitoring module for the high-speed rail through wire power cable is characterized by comprising the following steps of:
1) sleeving an induction electricity taking module on the high-speed rail through line power cable in a clamping manner, wherein the induction electricity taking module generates electric energy by utilizing an electromagnetic induction principle through a magnetic field generated by the high-speed rail through line power cable and transmits the generated electric energy to an energy collection module; the energy collection module carries out rectification filtering processing on the electric energy and transmits the rectified and filtered electric energy to the power supply management module; the power supply management module is used for carrying out charging or discharging management on the energy storage battery and carrying out grounding release on redundant electric energy; the energy storage battery stores electric energy and supplies power to the data integration module, the data processing module and the data transmission module;
2) the current data detection and transmission module is sleeved on the grounding lead-out wires of the armor layer and the shielding layer of the high-speed rail through wire power cable in a clamping manner, detects induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the induced current data to the data integration module; the temperature data detection and transmission module is tightly attached to the high-speed rail through wire power cable, detects the temperature data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the temperature data to the data integration module; the other data detection and transmission modules detect the working environment temperature data and the working environment humidity data of the high-speed rail through wire power cable and transmit the working environment temperature data and the working environment humidity data to the data integration module; the data integration module receives the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and carries out threshold early warning setting and display on the induced current data, the temperature data, the working environment temperature data and the working environment humidity data; the data transmission module transmits the induced current data, the temperature data, the working environment temperature data and the working environment humidity data.
The main monitoring device for the high-speed rail through wire power cable formed based on the main monitoring module for the high-speed rail through wire power cable comprises an induction electricity taking device, an energy collecting device, a power supply management device, an energy storage battery and a data processing device;
the induction electricity taking device, the energy collecting device, the power supply management device and the energy storage battery are electrically connected in sequence from front to back, and the energy storage battery is used for supplying power to the data processing device;
the induction electricity taking device comprises a lower shell A, a second elastic piece, a lower shell B, an iron core B, an upper shell B, an iron core A and an upper shell A, wherein a multi-turn coil is wound on the iron core B and the iron core A, an iron core A accommodating cavity is formed in the lower shell A, the iron core A is arranged in the iron core A accommodating cavity, the upper shell A is arranged above the lower shell A and detachably connected with the lower shell A, a lower shell B accommodating cavity is formed in the lower shell B, the iron core B is arranged in the lower shell B accommodating cavity and connected with the inner wall of the lower shell B accommodating cavity through the second elastic piece, the upper shell B is arranged above the lower shell B accommodating cavity and detachably connected with the lower shell B, the lower shell A and the lower shell B are detachably connected to form an annular structure, and the end face of the iron core B is in contact with the end;
the energy collecting device is provided with a rectifying and filtering circuit which is electrically connected with coils on the iron core B and the iron core A;
the power management device is provided with a power management circuit, the input end of the power management circuit is electrically connected with the rectification filter circuit, and the output end of the power management circuit is electrically connected with the energy storage battery and the data processing device.
Further limiting, the data processing device is a PCBA board, and the PCBA board is provided with a current data detection and transmission device, a temperature data detection and transmission device, another data detection and transmission device, a data integration device, a data processing device, and a data transmission device;
the current data detection and transmission device, the temperature data detection and transmission device and other data detection and transmission devices are all connected with a data integration device, the data integration device is connected with a data processing device, and the data transmission device is connected with the data processing device;
the current data detection and transmission device is a current sensor;
the temperature data detection and transmission device is a temperature sensor;
the other data detection and transmission devices are a temperature sensor and a humidity sensor;
the data integration device is provided with a current signal integration circuit and a temperature signal integration circuit;
the data processing device is a microprocessor MCU;
the data transmission device is a wireless transmission device and/or a wired transmission device.
Further, the rectifying and filtering circuit comprises a connection terminal J1, a Schottky diode D1, a Schottky diode D2, a Schottky diode D3, a Schottky diode D4, a Schottky diode D5, a sheet type ceramic capacitor C1, a lead type aluminum electrolytic capacitor C2, a lead type aluminum electrolytic capacitor C3 and a field effect tube Q1, wherein the connection terminal J1 is connected with coils on an iron core B and an iron core A, the Schottky diode D2, the Schottky diode D3, the Schottky diode D4 and the Schottky diode D5 are all connected in parallel with the connection terminal J1, the field effect tube Q1, the Schottky diode D2, the Schottky diode D3 and the Schottky diode D1 are connected in parallel, and the Schottky diode D1, the sheet type ceramic capacitor C1, the lead type aluminum electrolytic capacitor C2 and the lead type aluminum electrolytic capacitor C3 are sequentially connected in series from front to back;
the power management circuit comprises a voltage reference U1, a power management chip U2, a voltage comparator U3 and a power inductor L1, wherein the voltage reference U1 is connected with the voltage comparator U3 in parallel, the power management chip U2 is connected with the voltage comparator U3 in parallel, and the power inductor L1 is connected with the power management chip U2 in parallel.
Further, the current signal integration circuit includes a connection terminal J8, a switch diode D9, a switch diode D11, a transient suppression diode D10, a chip-type magnetic bead FB1, a chip-type magnetic bead FB2, a first resistor R36, a second resistor R37, a third resistor R38, a fourth resistor R39, a first capacitor C32, a second capacitor C33, a third capacitor C34, and a current data output port, the connection terminal is an input terminal of a current signal on the current sensor, the connection terminal is connected with the transient suppression diode D10 through the switch diode D9 and the switch diode D11, the switch diode D9 and the switch diode D11 are connected in parallel, the transient suppression diode D10 is connected with the second resistor R37 through the chip-type FB1 and the chip-type FB2, the chip-type magnetic bead FB1 is connected with the chip-type magnetic bead FB2 in parallel, the fourth resistor R39 and the third resistor R38 are connected with the first magnetic bead R37 and the chip-type magnetic bead 2 in parallel, the first resistor R36 is connected with a second resistor R37, the first resistor R36 is connected with a third resistor R38 in parallel, the first capacitor C32 is connected with a first resistor R36 in series, the third resistor R38 is connected with a third capacitor C34 in series, the second capacitor C33 is connected with a first capacitor C32 and a third capacitor C34 in parallel, and the current data output port is connected with a second capacitor C33 in parallel;
the temperature signal integration circuit comprises a connecting terminal J10, a transient suppression diode D15, a patch type ceramic capacitor C40, a switch diode D16, a voltage reference chip U8, a patch type ceramic capacitor C38, a general operational amplifier U9 and a temperature data output port, the connecting terminal J10 is an input end of a temperature signal on the temperature sensor, the connecting terminal J10, the transient suppression diode D15 and the patch type ceramic capacitor C40 are sequentially connected in parallel from front to back, the switch diode D16 is connected in series with the general operational amplifier U9, and the switching diode D16 and the general operational amplifier U9 are connected in parallel with the patch type ceramic capacitor C40, the chip ceramic capacitor C38 is connected in parallel with a switch diode D16 and a general operational amplifier U9, the voltage reference chip U8 is connected with the chip type ceramic capacitor C38 in series, and the temperature data output port is connected with the voltage reference chip U8 in series.
Compared with the prior art, the invention has the beneficial effects that:
1. the current data detection and transmission module used on the data processing unit of the power cable with the through high-speed rail wire can detect induced current data of an armor layer and a shielding layer of the power cable with the through high-speed rail wire and transmit the detected induced current data to the data integration module, the temperature data detection and transmission module can detect temperature data of the power cable with the through high-speed rail wire and transmit the detected temperature data to the data integration module, the data integration module can receive the induced current data and the temperature data and integrate the induced current data and the temperature data, and the data processing module carries out threshold alarm and display on the integrated induced current data and the integrated temperature data; the sensed induced current and higher temperature, which are detrimental to the operation of the high-speed rail through wire power cables, are thresholded (with an alarm appropriate point) by the data processing module. The processed induced current data and temperature data are transmitted to other external display equipment through the data transmission module, so that the detection and remote monitoring of the temperature data and the current data of the high-voltage through wire power cable are realized, and informatization support is provided for the safe operation and maintenance of the high-speed rail through wire power cable.
2. The data processing unit for the high-speed rail through wire power cable also comprises other data detection and transmission modules, the other data detection and transmission modules can detect working environment temperature data and working environment humidity data of the high-speed rail through wire power cable and transmit the measured working environment temperature data and the measured working environment humidity data to the data integration module, the data integration module integrates the working environment temperature data and the working environment humidity data and transmits the integrated working environment temperature data and the working environment humidity data to the data processing module, the processed working environment temperature data and the processed working environment humidity data are transmitted to other external display equipment through the data transmission module, the environment around the high-speed rail through wire power cable is further monitored, data monitoring is more comprehensive, and later analysis and judgment are more accurate through remote monitoring.
3. The invention relates to a main monitoring module for a high-speed rail through wire power cable, which is provided with an induction electricity taking module, an energy collecting module, a power management module, an energy storage battery and a data processing unit for the high-speed rail through wire power cable, wherein the induction electricity taking module generates electricity by utilizing the electromagnetic induction principle according to the magnetic field generated by the high-speed rail through wire power cable, the generated electric energy is rectified, filtered, charged and discharged and managed through the energy collection module and the power supply management module, and then is stored through the energy storage battery, the data processing unit for the high-speed rail through wire power cable can be powered through the energy storage battery, the self power consumption requirement of the main monitoring module is met, the problems of difficult power supply acquisition, increased maintenance workload and increased safety risk due to field wiring are solved, meanwhile, the continuous working time of the main monitoring module is prolonged, and the problem that the maintenance workload is increased due to frequent replacement of equipment caused by insufficient electric quantity of the module is solved.
4. Be provided with inferior valve A on the induction electricity-taking device, the second elastic component, inferior valve B, iron core B, epitheca B, iron core A and epitheca A, all there is many turns of coil on iron core B and the iron core A, iron core A arranges iron core A holding intracavity in, inferior valve B holding intracavity is arranged in to iron core B, iron core B passes through the second elastic component and the interior wall connection in inferior valve B holding chamber, inferior valve A and inferior valve B can dismantle the connection, because the connection of dismantling of inferior valve A and inferior valve B has realized open-close type structural design, make the installation that need not dismouting high tension cable equipment can accomplish inferior valve A and inferior valve B, and because the second elastic component makes the installation radius nimble adjustable with the effect of dismantling the connection, can be suitable for the high-speed railway through line power cable of multiple model, installation and construction convenience.
5. The data transmission device can transmit data in a wireless mode and a wired mode, and has stronger field adaptability.
6. Switch diode D9 and switch diode D11 on the current signal integration circuit can restrain conduction immunity, prevent that follow-up circuit from receiving the interference or discharging and damaging the circuit, transient suppression diode D10 absorbs the high surge in the circuit, protect the circuit, SMD magnetic bead FB1 and SMD magnetic bead FB2 can restrain the high frequency noise in the circuit, protect the circuit, first electric capacity C32 and third electric capacity C34 can avoid the current signal because of producing the decay through the resistance, second electric capacity C33 can further filter, obtain pure current signal.
7. The transient suppression diode D15 in the temperature signal rectification circuit is used for suppressing the influence of unnecessary noise on the temperature signal and protecting the subsequent circuit elements from the impact of transient high-voltage spike pulses; the patch type ceramic capacitor C40 can be used for filtering, and the switch diode D16 can inhibit conduction anti-interference, prevent a subsequent circuit from being interfered or discharged to damage the circuit and protect the circuit; the voltage reference chip U8 can stabilize the reference voltage; the chip ceramic capacitor C38 can prevent the current signal from being attenuated due to the passing of the resistor; the general operational amplifier U9 may amplify the detected voltage signal.
8. A rectifying bridge is formed by the Schottky diode D2, the Schottky diode D3, the Schottky diode D4 and the Schottky diode D5 on the rectifying and filtering circuit, and the induced alternating current is rectified and converted to obtain direct current for the device to work; the Schottky diode D1 is used for circuit protection, and prevents the burning loss of electronic elements of a subsequent circuit caused by overlarge induction current; the lead type aluminum electrolytic capacitor C2 and the lead type aluminum electrolytic capacitor C3 are used for storing energy and are matched with a subsequent power supply management and voltage stabilizing circuit to charge the battery; the field effect transistor Q1 power management circuit is used for charging and discharging switches in a matching way.
9. The power management chip on the power management circuit can be controlled, when the circuit is in a charging state, the power management chip U2 starts to work, and the power inductor L1 is used for low-frequency current blocking.
Drawings
FIG. 1 is a schematic diagram of a primary monitoring module;
FIG. 2 is a schematic structural diagram of a main detection module;
FIG. 3 is a schematic diagram of a rectifier filter circuit;
FIG. 4 is a schematic diagram of a power management circuit;
FIG. 5 is a schematic diagram of a current signal integration circuit;
FIG. 6 is a schematic diagram of a temperature signal integration circuit;
wherein, 1-waterproof joint; 2-first screw, 3-first spring, 4-retainer ring, 5-movable wire clip, 6-lower shell A, 7-waterproof gasket, 8-lower shell B, 9-iron core B, 10-upper shell B, 11-second spring, 12-iron core A, 13-upper shell A, 14-PCBA board, 15-nickel zinc battery.
Detailed Description
The technical solutions of the present invention will be further explained below with reference to the drawings and examples, but the technical solutions of the present invention are not limited to the embodiments described below.
The invention discloses a data processing unit for a high-speed rail through wire power cable, which comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through line power cable and transmitting the measured temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the temperature data and transmitting the integrated induced current data and the temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and carrying out threshold alarm and display on the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module.
Preferably, the data processing unit for the high-speed rail through wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting the working environment temperature data and the working environment humidity data of the high-speed rail through line power cable and transmitting the measured working environment temperature data and the measured working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
The main monitoring module for the high-speed rail through wire power cable comprises an induction power taking module, an energy collecting module, a power management module, an energy storage battery and the data processing unit for the high-speed rail through wire power cable;
the induction electricity taking module is used for generating electric energy through an electromagnetic induction principle and transmitting the generated electric energy to the energy collection module;
the energy collection module is used for receiving the electric energy generated by the induction electricity taking module, rectifying and filtering the received electric energy, and transmitting the rectified and filtered electric energy to the power management module;
the power supply management module is used for carrying out charging and discharging management on the electric energy subjected to the rectification filtering;
the energy storage battery stores electric energy through the power management module and supplies power to the data processing unit for the high-speed rail through line power cable.
The data processing unit for the high-speed rail through wire power cable comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through line power cable and transmitting the measured temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the temperature data and transmitting the integrated induced current data and the temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and processing the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module;
the energy storage battery is used for supplying power to the data integration module, the data processing module and the data transmission module.
The data processing unit for the high-speed rail through wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting the working environment temperature data and the working environment humidity data of the high-speed rail through line power cable and transmitting the measured working environment temperature data and the measured working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
The use method of the main monitoring module for the high-speed rail through wire power cable comprises the following steps:
1) sleeving an induction electricity taking module on the high-speed rail through line power cable in a clamping manner, wherein the induction electricity taking module generates electric energy by utilizing an electromagnetic induction principle through a magnetic field generated by the high-speed rail through line power cable and transmits the generated electric energy to an energy collection module; the energy collection module carries out rectification filtering processing on the electric energy and transmits the rectified and filtered electric energy to the power supply management module; the power supply management module is used for carrying out charging or discharging management on the energy storage battery and carrying out grounding release on redundant electric energy; the energy storage battery stores electric energy and supplies power to the data integration module, the data processing module and the data transmission module;
2) the current data detection and transmission module is sleeved on the grounding lead-out wires of the armor layer and the shielding layer of the high-speed rail through wire power cable in a clamping manner, detects induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the induced current data to the data integration module; the temperature data detection and transmission module is tightly attached to the high-speed rail through wire power cable, detects the temperature data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the temperature data to the data integration module; the other data detection and transmission modules detect the working environment temperature data and the working environment humidity data of the high-speed rail through wire power cable and transmit the working environment temperature data and the working environment humidity data to the data integration module; the data integration module receives the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and carries out threshold early warning setting and display on the induced current data, the temperature data, the working environment temperature data and the working environment humidity data; the data transmission module transmits the induced current data, the temperature data, the working environment temperature data and the working environment humidity data.
The main monitoring device for the high-speed rail through wire power cable formed based on the main monitoring module for the high-speed rail through wire power cable comprises an induction electricity taking device, an energy collecting device, a power supply management device, an energy storage battery and a data processing device;
the induction electricity taking device, the energy collecting device, the power supply management device and the energy storage battery are electrically connected in sequence from front to back, and the energy storage battery is used for supplying power to the data processing device;
the induction electricity taking device comprises a lower shell A6, a second elastic piece, a lower shell B8, an iron core B9, an upper shell B10, an iron core A12 and an upper shell A13, wherein multiple turns of coils are wound on the iron core B9 and the iron core A12, an iron core A accommodating cavity is formed in the lower shell A6, the iron core A12 is arranged in the iron core A accommodating cavity, the upper shell A13 is arranged above the lower shell A6 and detachably connected with the lower shell A6, a lower shell B accommodating cavity is formed in the lower shell B8, the iron core B9 is arranged in the lower shell B accommodating cavity, the iron core B9 is connected with the inner wall of the lower shell B accommodating cavity through the second elastic piece, the upper shell B10 is arranged above the lower shell B accommodating cavity and detachably connected with the lower shell B8, the lower shell A6 and the lower shell B8 are detachably connected into an annular structure, and the end face;
the energy collecting device is provided with a rectifying and filtering circuit which is electrically connected with the iron core B9 and the coil on the iron core A12;
the power management device is provided with a power management circuit, the input end of the power management circuit is electrically connected with the rectification filter circuit, and the output end of the power management circuit is electrically connected with the energy storage battery and the data processing device.
The data processing device is a PCBA board, and a current data detection and transmission device, a temperature data detection and transmission device, other data detection and transmission devices, a data integration device, a data processing device and a data transmission device are arranged on the PCBA board;
the current data detection and transmission device, the temperature data detection and transmission device and other data detection and transmission devices are all connected with a data integration device, the data integration device is connected with a data processing device, and the data transmission device is connected with the data processing device;
the current data detection and transmission device is a current sensor;
the temperature data detection and transmission device is a temperature sensor;
the other data detection and transmission devices are a temperature sensor and a humidity sensor;
the data integration device is provided with a current signal integration circuit and a temperature signal integration circuit;
the data processing device is a microprocessor MCU;
the data transmission device is a wireless transmission device and/or a wired transmission device.
The tidying and filtering circuit comprises a connection terminal J1, a Schottky diode D1, a Schottky diode D2, a Schottky diode D3, a Schottky diode D4, a Schottky diode D5, a sheet type ceramic capacitor C1, a lead type aluminum electrolytic capacitor C2, a lead type aluminum electrolytic capacitor C3 and a field effect tube Q1, wherein a connection terminal J1 is connected with a coil on an iron core B9 and an iron core A12, the Schottky diode D2, the Schottky diode D3, the Schottky diode D4 and the Schottky diode D5 are connected with the connection terminal J1 in parallel, the field effect tube Q1, the Schottky diode D2, the Schottky diode D3 and the Schottky diode D1 are connected in parallel, and the Schottky diode D1, the sheet type ceramic capacitor C1, the lead type aluminum electrolytic capacitor C2 and the lead type aluminum electrolytic capacitor C3 are connected in series from front to back in sequence;
the power management circuit comprises a voltage reference U1, a power management chip U2, a voltage comparator U3, a power inductor L1, a voltage reference U1 and a voltage comparator U3 which are connected in parallel, the power management chip U2 is connected with the voltage comparator U3 in parallel, and the power inductor L1 is connected with the power management chip U2 in parallel.
The current signal integration circuit comprises a connection terminal J8, a switch diode D9, a switch diode D11, a transient suppression diode D10, a patch type magnetic bead FB1, a patch type magnetic bead FB2, a first resistor R36, a second resistor R37, a third resistor R38, a fourth resistor R39, a first capacitor C39, a second capacitor C39, a third capacitor C39 and a current data output port, the connection terminal J39 is an input end of a current signal on the current sensor, the connection terminal J39 is connected with the transient suppression diode D39 through the switch diode D39 and the switch diode D39, the switch diode D39 is connected with the switch diode D39 in parallel, the transient suppression diode D39 is connected with the second resistor R39 through the patch type magnetic bead FB 39 and the patch type magnetic bead FB 39, the patch type FB 39 is connected with the patch type FB 39 in parallel, and the patch type FB 39 are connected with the fourth resistor R39 and the third resistor R39 in parallel with the first resistor R39 and the patch type FB 39, the first resistor R36 is connected with the second resistor R37 in parallel, the first resistor R36 is connected with the third resistor R38 in parallel, the first capacitor C32 is connected with the first resistor R36 in series, the third resistor R38 is connected with the third capacitor C34 in series, the second capacitor C33 is connected with the first capacitor C32 and the third capacitor C34 in parallel, and the current data output port is connected with the second capacitor C33 in parallel;
the temperature signal rectifying circuit comprises a connecting terminal J10, a transient suppression diode D15, a patch type ceramic capacitor C40, a switch diode D16, a voltage reference chip U8, a patch type ceramic capacitor C38, a general operational amplifier U9 and a temperature data output port, the connecting terminal J10 is an input end of a temperature signal on the temperature sensor, the connecting terminal J10, a transient suppression diode D15 and the patch type ceramic capacitor C40 are sequentially connected in parallel from front to back, the switch diode D16 is connected with the general operational amplifier U9 in series, the switch diode D16 and the general operational amplifier U9 are connected with the patch type ceramic capacitor C40 in parallel, the patch type ceramic capacitor C38 is connected with the switch diode D16 and the general operational amplifier U9 in parallel, the voltage reference chip U8 is connected with the patch type ceramic capacitor C38 in series, and the temperature data output port is connected with the voltage reference chip U8 in series.
Example 1
The data processing unit for the power cable of the high-speed rail through wire comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module, a data transmission module and other data detection and transmission modules;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through line power cable and transmitting the measured temperature data to the data integration module;
the other data detection and transmission module is used for detecting the working environment temperature data and the working environment humidity data of the high-speed rail through line power cable and transmitting the measured working environment temperature data and the measured working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
Inductive current data, temperature data, working environment temperature data and working environment humidity data can be transmitted to other external display equipment through the data transmission module, detection and remote monitoring of the temperature data and the current data of the high-speed rail through wire power cable are achieved, information support is provided for safe operation and maintenance of the high-speed rail through wire power cable, data monitoring is more comprehensive, and more comprehensive and accurate data are provided for analysis and judgment of the operation condition of the high-speed rail through wire power cable.
Example 2
Referring to fig. 1, the main monitoring module for the power cable with the through-line high-speed rail in the embodiment includes an induction power-taking module, an energy collection module, a power management module, an energy storage battery and a data processing unit for the power cable with the through-line high-speed rail, where the data processing unit for the power cable with the through-line high-speed rail includes a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module, a data transmission module and other data detection and transmission modules;
the induction electricity taking module is used for generating electric energy through an electromagnetic induction principle and transmitting the generated electric energy to the energy collection module;
the energy collection module is used for receiving the electric energy generated by the induction electricity taking module, rectifying and filtering the received electric energy, and transmitting the rectified and filtered electric energy to the power management module;
the power supply management module is used for carrying out charging and discharging management on the electric energy subjected to the rectification filtering;
the energy storage battery is used for storing electric energy through the power management module and supplying power to the data integration module, the data processing module and the data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through line power cable and transmitting the measured temperature data to the data integration module;
the other data detection and transmission module is used for detecting the working environment temperature data and the working environment humidity data of the high-speed rail through line power cable and transmitting the measured working environment temperature data and the measured working environment humidity data to the data integration module;
the data integration module is used for receiving the work induced current data, the temperature data, the work environment temperature data and the work environment humidity data, integrating the induced current data, the temperature data, the work environment temperature data and the work environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and processing the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
Get electric module, energy collection module, power management module and energy storage battery through the response and realized that main monitoring module self power consumption is required, it is difficult to have solved the power and has acquireed, has avoided on-the-spot wiring to increase the problem of maintaining work load and increase the safety risk, has increased the time that main monitoring module lasts the work simultaneously, has avoided leading to frequently changing the problem of equipment and increasing the maintenance work load because of the module electric quantity is not enough.
Example 3
The embodiment is a main monitoring device for a high-speed rail through wire, which comprises an induction electricity taking device, an energy collecting device, a power supply management device, an energy storage battery and a data processing device, wherein the data processing device is a PCBA (printed Circuit Board Assembly) board, and a current data detection and transmission device, a temperature data detection and transmission device, a data integration device, a data processing device, a data transmission device and other data detection and transmission devices are arranged on the PCBA board,
referring to fig. 2, the induction electricity-taking device comprises a waterproof connector 1, a first screw 2, a first spring 3, a retainer ring 4, a movable wire clip 5, a lower shell A6, a waterproof gasket 7, a lower shell B8, an iron core B9, an upper shell B10, a second elastic part, an iron core a12, an upper shell a13, a PCBA board 14 and an energy storage battery, wherein the second elastic part is a second spring 11, the energy storage battery is a nickel-zinc battery 15, a plurality of turns of coils are wound on the iron core B9 and the iron core a12, an iron core a accommodating cavity is arranged on the lower shell A6, an opening is arranged above the lower shell A6, the iron core a is arranged in the iron core a accommodating cavity, an upper shell a13 is arranged at an opening above the lower shell A6 and is detachably connected with the lower shell A6 through a screw, a lower shell B accommodating cavity is arranged on the lower shell B8, the iron core B9 is arranged in the, the iron core B9 is connected with the inner wall of the containing cavity of the lower shell B through a second elastic piece, the upper shell B10 is arranged at an opening above the containing cavity of the lower shell B and is detachably connected with the lower shell B8 through a screw, the two opposite sides of the lower shell A6 are provided with movable line cards 5, the movable line cards 5 are hinged with the outer side wall of one end part of the lower shell A6, threaded holes are arranged on the movable wire clip 5 and the lower shell A6, the first spring 3 is fixedly connected on the first screw 2, the first spring 3 and the first screw 2 both pass through the threaded holes on the movable wire clip 5 and the lower shell A6, the first screw 2 is in threaded connection with the movable wire clip 5, a retainer ring 4 is arranged at the joint of the first screw 2 and the movable wire clip 5, the end part of the first spring 3 is in contact connection with the iron core A12, the iron core A12 and the iron core B9 are limited and adjusted through the first spring 3 and the second elastic piece; clamping grooves are formed in two opposite sides of the lower shell B8, the positions of the clamping grooves correspond to those of the movable line clamp 5, the movable line clamp 5 is clamped in the clamping grooves, the lower shell A6 and the lower shell B8 are detachably connected into an annular structure to form an open-close type structure, a high-voltage through line does not need to be detached during use, the use and the installation are convenient, and 7 waterproof gaskets are arranged at the connecting part of the lower shell A6 and the lower shell B; be provided with PCBA board holding chamber and battery holding chamber on inferior valve A6, battery holding chamber sets up in PCBA board holding chamber below, and PCBA board is arranged in PCBA board holding intracavity, is provided with water joint 1 at inferior valve A6's tip, and water joint 1 can prevent that PCBA board holding chamber and battery holding intracavity from intaking.
The energy collecting device is provided with a rectifying and filtering circuit which is electrically connected with coils on the iron core B9 and the iron core A12, and the electric energy generated by the induction electricity taking device is rectified and filtered through the rectifying and filtering circuit;
the power management device is provided with a power management circuit, the input end of the power management circuit is electrically connected with the rectification filter circuit, the output end of the power management circuit is electrically connected with the energy storage battery and the data processing device, and the energy storage battery is subjected to charge-discharge management and redundant electric energy is subjected to grounding release through the power management circuit;
the current data detection and transmission device, the temperature data detection and transmission device and other data detection and transmission devices are all connected with the data integration device, the data integration device is connected with the data processing device, and the data transmission device is connected with the data processing device;
the current data detection and transmission device is a current sensor and is used for detecting induced current data of an armor layer and a shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration device;
the temperature data detection and transmission module is a temperature sensor and is used for detecting the temperature data of the high-speed rail through wire power cable and transmitting the detected temperature data to the data integration device;
the data integration device is provided with a current signal integration circuit and a temperature signal integration circuit, receives the induced current data, the temperature data, the working environment temperature data and the working environment humidity data through the data integration device, integrates the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmits the integrated data to the data processing device;
the data processing device receives and processes the integrated induced current data, temperature data, working environment temperature data and working environment humidity data, and the processed data are transmitted to other external display equipment through the data transmission device and used for remotely monitoring the running condition of the high-voltage through wire. The data transmission device is a LoRa wireless communication device and an RS485 communication device. The data processing device is a microprocessor MCU which is a commercial product and is of a model MSP430F6721 IPN. The data processing device is provided with a device voltage stabilizing circuit, and the device voltage stabilizing circuit provides stable working voltage for the whole device. The model of RS485 communication device is SN65HVD72, and RS485 communication device's input is connected with data processing device, and RS485 communication device's output is connected with external display device, and the industrial control screen that external display device adopted, it is the industrial control screen that the model of making of xi ' an ying-deng-technical intelligence science and technology limited company is AT710 SI.
Referring to fig. 3, the tidying and filtering circuit includes a connection terminal J1, a schottky diode D1, a schottky diode D2, a schottky diode D3, a schottky diode D4, a schottky diode D5, a chip-type ceramic capacitor C1, a lead-type aluminum electrolytic capacitor C2, a lead-type aluminum electrolytic capacitor C3 and a field effect transistor Q1, wherein the connection terminal J1 is connected to coils on an iron core B9 and an iron core a12, the schottky diode D2, the schottky diode D3, the schottky diode D4 and the schottky diode D5 are all connected in parallel with the connection terminal J1, the field effect transistor Q1, the schottky diode D2, the schottky diode D3 and the schottky diode D1 are connected in parallel, and the schottky diode D1, the chip-type ceramic capacitor C1, the aluminum electrolytic capacitor C2 and the lead-type capacitor C3 are sequentially connected in series after going to the aluminum electrolytic capacitor. The Schottky diode D2, the Schottky diode D3, the Schottky diode D4 and the Schottky diode D5 form a rectifier bridge, and the induced alternating current is rectified and converted to obtain direct current for the device to work; the Schottky diode D1 is used for circuit protection, and prevents the burning loss of electronic elements of a subsequent circuit caused by overlarge induction current; the lead type aluminum electrolytic capacitor C2 and the lead type aluminum electrolytic capacitor C3 are used for storing energy and are matched with a subsequent power supply management and voltage stabilizing circuit to charge the battery; the field effect transistor Q1 power management circuit is used for charging and discharging switches in a matching way.
Referring to fig. 4, the power management circuit includes a voltage reference U1, a power management chip U2, a voltage comparator U3, a power inductor L1, a voltage reference U1 connected in parallel with the voltage comparator U3, a power management chip U2 connected in parallel with the voltage comparator U3, and a power inductor L1 connected in parallel with the power management chip U2. The power management chip on the power management circuit can control the power management chip U2 to start working when the circuit is in a charging state, and the power inductor L1 is used for low-frequency current blocking.
Referring to fig. 5, the current signal integration circuit has two paths, a first path includes a connection terminal J8, a switch diode D9, a switch diode D11, a transient suppression diode D10, a patch magnetic bead FB1, a patch magnetic bead FB2, a first resistor R36, a second resistor R37, a third resistor R38, a fourth resistor R39, a first capacitor C39, a second capacitor C39, a third capacitor C39, and a current data output port, the connection terminal J39 is an input terminal of a current signal on the current sensor, the connection terminal J39 is connected with the transient suppression diode D39 through the switch diode D39 and the switch diode D39, the switch diode D39 is connected with the switch diode D39 in parallel, the transient suppression diode D39 is connected with the second resistor R39 through the patch magnetic bead 39 and the patch FB 39, the patch magnetic bead FB 39 is connected with the patch magnetic bead 39 in parallel, the fourth resistor R39 and the third resistor R39 are connected with the patch magnetic bead 39 and the patch magnetic bead 39, the first resistor R36 is connected with the second resistor R37 in parallel, the first resistor R36 is connected with the third resistor R38 in parallel, the first capacitor C32 is connected with the first resistor R36 in series, the third resistor R38 is connected with the third capacitor C34 in series, the second capacitor C33 is connected with the first capacitor C32 and the third capacitor C34 in parallel, and the current data output port is connected with the second capacitor C33 in parallel. The second path comprises a connection terminal J9, a switch diode D12, a switch diode D13, a transient suppression diode D13, a patch magnetic bead FB 13, a first resistor R13, a second resistor R13, a third resistor R13, a fourth resistor R13, a first capacitor C13, a second capacitor C13, a third capacitor C13 and a current data output port, the connection terminal J13 is an input end of a current signal on the current sensor, the connection terminal J13 is connected with the transient suppression diode D13 through the switch diode D13 and the switch diode D13, the switch diode D13 is connected with the switch diode D13 in parallel, the transient suppression diode D13 is connected with the second resistor R13 through the patch magnetic bead FB 13 and the patch magnetic bead FB 13, the patch FB 13 is connected with the patch resistor FB 13, the fourth resistor R13 and the third resistor R13 are connected with the first resistor R13 and the patch magnetic bead FB 13 in parallel, the second resistor R13, the first resistor R40 and the third resistor R42 are connected in parallel, the first capacitor C35 is connected with the first resistor R40 in series, the third resistor R43 is connected with the third capacitor C36 in series, the second capacitor C36 is connected with the first capacitor C35 and the third capacitor C37 in parallel, and the current data output port is connected with the second capacitor C37 in parallel. Switch diode D9 and switch diode D11 can suppress the conduction interference immunity, prevent that follow-up circuit from receiving the interference or discharging and damaging the circuit, transient state suppression diode D10 absorbs the high surge in the circuit, protect the circuit, SMD magnetic bead FB1 and SMD magnetic bead FB2 can suppress the high frequency noise in the circuit, protect the circuit, first electric capacity C32 and third electric capacity C34 can avoid the current signal because of producing the decay through the resistance, second electric capacity C33 can further filter, obtain pure current signal.
Referring to fig. 6, the temperature signal integration circuit includes a connection terminal J10, a transient suppression diode D15, a patch-type ceramic capacitor C40, a switching diode D16, a voltage reference chip U8, a patch-type ceramic capacitor C38, a general operational amplifier U9, and a temperature data output port, the connection terminal J10 is an input terminal of a temperature signal on the temperature sensor, the connection terminal J10, the transient suppression diode D15, and the patch-type ceramic capacitor C40 are sequentially connected in parallel from front to back, the switching diode D16 is connected in series with the general operational amplifier U9, and the switch diode D16 and the general operational amplifier U9 are connected with the patch type ceramic capacitor C40 in parallel, the patch type ceramic capacitor C38 is connected with the switch diode D16 and the general operational amplifier U9 in parallel, the voltage reference chip U8 is connected with the patch type ceramic capacitor C38 in series, and the temperature data output port is connected with the voltage reference chip U8 in series. The transient suppression diode D15 is used for suppressing the influence of unnecessary noise on the temperature signal and protecting the subsequent circuit elements from the impact of transient high-voltage spike pulses; the patch type ceramic capacitor C40 can be used for filtering, and the switch diode D16 can inhibit conduction anti-interference, prevent a subsequent circuit from being interfered or discharged to damage the circuit and protect the circuit; the voltage reference chip U8 can stabilize the reference voltage; the chip ceramic capacitor C38 can prevent the current signal from being attenuated due to the passing of the resistor; the general operational amplifier U9 may amplify the detected voltage signal.
The model of the field effect transistor Q1 is AO4402, the model of the voltage reference U1 is ATL431, the model of the voltage comparator U3 is TLV7011, and the model of the power management chip U2 is LTC3106 EFE.
Claims (10)
1. The data processing unit for the high-speed rail through wire power cable is characterized by comprising a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through wire power cable and transmitting the detected temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the temperature data and transmitting the integrated induced current data and the temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and carrying out threshold alarm and display on the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module.
2. The data processing unit for a high-speed rail through-wire power cable of claim 1, wherein the data processing unit for a high-speed rail through-wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting working environment temperature data and working environment humidity data of the high-speed rail through wire power cable and transmitting the measured working environment temperature data and working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
3. The main monitoring module for the high-speed rail through wire power cable is characterized by comprising an induction power taking module, an energy collecting module, a power management module, an energy storage battery and the data processing unit for the high-speed rail through wire power cable, wherein the data processing unit is used for the high-speed rail through wire power cable according to claim 2;
the induction electricity taking module is used for generating electric energy through an electromagnetic induction principle and transmitting the generated electric energy to the energy collection module;
the energy collection module is used for receiving the electric energy generated by the induction electricity taking module, rectifying and filtering the received electric energy, and transmitting the rectified and filtered electric energy to the power management module;
the power supply management module is used for carrying out charging and discharging management on the electric energy subjected to rectification and filtering;
the energy storage battery stores electric energy through the power management module and supplies power to the data processing unit for the high-speed rail through line power cable.
4. The primary monitoring module for a high-speed rail through-wire power cable of claim 3, wherein the data processing unit for a high-speed rail through-wire power cable comprises a current data detection and transmission module, a temperature data detection and transmission module, a data integration module, a data processing module, and a data transmission module;
the current data detection and transmission module is used for detecting the induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmitting the detected induced current data to the data integration module;
the temperature data detection and transmission module is used for detecting the temperature data of the high-speed rail through wire power cable and transmitting the detected temperature data to the data integration module;
the data integration module is used for receiving the induced current data and the temperature data, integrating the induced current data and the working temperature data and transmitting the integrated induced current data and the working temperature data to the data processing module;
the data processing module is used for receiving the integrated induced current data and temperature data and processing the integrated induced current data and temperature data;
the data transmission module is used for transmitting the induced current data and the temperature data processed by the data processing module;
the energy storage battery is used for supplying power to the data integration module, the data processing module and the data transmission module.
5. The primary monitoring module for a high-speed rail through-wire power cable of claim 4, wherein the data processing unit for a high-speed rail through-wire power cable further comprises other data detection and transmission modules;
the other data detection and transmission module is used for detecting working environment temperature data and working environment humidity data of the high-speed rail through wire power cable and transmitting the measured working environment temperature data and working environment humidity data to the data integration module;
the data integration module is used for receiving the induced current data, the temperature data, the working environment temperature data and the working environment humidity data, integrating the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and transmitting the integrated data to the data processing module;
the data processing module is used for receiving the integrated induced current data, temperature data, working environment temperature data and working environment humidity data and carrying out threshold alarm and display on the integrated induced current data, temperature data, working environment temperature data and working environment humidity data;
the data transmission module is used for transmitting the induced current data, the temperature data, the working environment temperature data and the working environment humidity data which are processed by the data processing module.
6. The method of using a primary monitoring module for a high-speed rail through-wire power cable according to claim 5, comprising the steps of:
1) sleeving an induction electricity taking module on the high-speed rail through line power cable in a clamping manner, wherein the induction electricity taking module generates electric energy by utilizing an electromagnetic induction principle through a magnetic field generated by the high-speed rail through line power cable and transmits the generated electric energy to an energy collection module; the energy collection module carries out rectification filtering processing on the electric energy and transmits the rectified and filtered electric energy to the power supply management module; the power supply management module is used for carrying out charging or discharging management on the energy storage battery and carrying out grounding release on redundant electric energy; the energy storage battery stores electric energy and supplies power to the data integration module, the data processing module and the data transmission module;
2) the current data detection and transmission module is sleeved on the grounding lead-out wires of the armor layer and the shielding layer of the high-speed rail through wire power cable in a clamping manner, detects induced current data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the induced current data to the data integration module; the temperature data detection and transmission module is tightly attached to the high-speed rail through wire power cable, detects the temperature data of the armor layer and the shielding layer of the high-speed rail through wire power cable and transmits the temperature data to the data integration module; the other data detection and transmission modules detect the working environment temperature data and the working environment humidity data of the high-speed rail through wire power cable and transmit the working environment temperature data and the working environment humidity data to the data integration module; the data integration module receives the induced current data, the temperature data, the working environment temperature data and the working environment humidity data and carries out threshold early warning setting and display on the induced current data, the temperature data, the working environment temperature data and the working environment humidity data; the data transmission module transmits the induced current data, the temperature data, the working environment temperature data and the working environment humidity data.
7. The main monitoring device for the through wire power cable of the high-speed rail, which is formed by the main monitoring module for the through wire power cable of the high-speed rail according to claim 5, is characterized by comprising an induction power taking device, an energy collecting device, a power management device, an energy storage battery and a data processing device;
the induction electricity taking device, the energy collecting device, the power supply management device and the energy storage battery are electrically connected in sequence from front to back, and the energy storage battery is used for supplying power to the data processing device;
the induction electricity taking device comprises a lower shell A (6), a second elastic piece, a lower shell B (8), an iron core B (9), an upper shell B (10), an iron core A (12) and an upper shell A (13), wherein a plurality of turns of coils are wound on the iron core B (9) and the iron core A (12), an iron core A accommodating cavity is formed in the lower shell A (6), the iron core A (12) is arranged in the iron core A accommodating cavity, the upper shell A (13) is arranged above the lower shell A (6) and detachably connected with the lower shell A (6), a lower shell B accommodating cavity is formed in the lower shell B (8), the iron core B (9) is arranged in the lower shell B accommodating cavity, the iron core B (9) is connected with the inner wall of the lower shell B accommodating cavity through the second elastic piece, the upper shell B (10) is arranged above the lower shell B accommodating cavity and detachably connected with the lower shell B (8), the lower shell A (6) and the lower shell B (8) can be detachably connected into an annular structure, the end face of the iron core B (9) is in contact with the end face of the iron core A (12);
the energy collecting device is provided with a rectifying and filtering circuit which is electrically connected with coils on the iron core B (9) and the iron core A (12);
the power management device is provided with a power management circuit, the input end of the power management circuit is electrically connected with the rectification filter circuit, and the output end of the power management circuit is electrically connected with the energy storage battery and the data processing device.
8. The main monitoring device for the through wire power cable of the high-speed rail according to claim 7, wherein the data processing device is a PCBA board, and a current data detection and transmission device, a temperature data detection and transmission device, other data detection and transmission devices, a data integration device, a data processing device and a data transmission device are arranged on the PCBA board;
the current data detection and transmission device, the temperature data detection and transmission device and other data detection and transmission devices are all connected with a data integration device, the data integration device is connected with a data processing device, and the data transmission device is connected with the data processing device;
the current data detection and transmission device is a current sensor;
the temperature data detection and transmission device is a temperature sensor;
the other data detection and transmission devices are a temperature sensor and a humidity sensor;
the data integration device is provided with a current signal integration circuit and a temperature signal integration circuit;
the data processing device is a microprocessor MCU;
the data transmission device is a wireless transmission device and/or a wired transmission device.
9. The primary monitoring device for a high-speed rail through-wire power cable of claim 7, the rectifying and filtering circuit comprises a connecting terminal J1, a Schottky diode D1, a Schottky diode D2, a Schottky diode D3, a Schottky diode D4, a Schottky diode D5, a chip type ceramic capacitor C1, a lead type aluminum electrolytic capacitor C2, a lead type aluminum electrolytic capacitor C3 and a field effect transistor Q1, the connection terminal J1 is connected with the coils on the iron core B (9) and the iron core A (12), the Schottky diode D2, the Schottky diode D3, the Schottky diode D4 and the Schottky diode D5 are connected with a connecting terminal J1 in parallel, the field effect transistor Q1, the Schottky diode D2, the Schottky diode D3 and the Schottky diode D1 are connected in parallel, the Schottky diode D1, the chip ceramic capacitor C1, the lead type aluminum electrolytic capacitor C2 and the lead type aluminum electrolytic capacitor C3 are sequentially connected in series from front to back;
the power management circuit comprises a voltage reference U1, a power management chip U2, a voltage comparator U3 and a power inductor L1, wherein the voltage reference U1 is connected with the voltage comparator U3 in parallel, the power management chip U2 is connected with the voltage comparator U3 in parallel, and the power inductor L1 is connected with the power management chip U2 in parallel.
10. The main monitoring device for the through-wire power cable of a high-speed rail according to claim 7, wherein the current signal integration circuit comprises a connection terminal J8, a switch diode D9, a switch diode D11, a transient suppression diode D10, a chip-type magnetic bead FB1, a chip-type magnetic bead FB2, a first resistor R36, a second resistor R37, a third resistor R38, a fourth resistor R39, a first capacitor C32, a second capacitor C33, a third capacitor C34 and a current data output port, the connection terminal J8 is an input terminal of a current signal on the current sensor, the connection terminal J8 is connected with the transient suppression diode D10 through a switch diode D9 and a switch diode D11, the switch diode D9 is connected with the switch diode D11 in parallel, the transient suppression diode D10 is connected with the second resistor R1 through the chip-type magnetic bead FB1 and the chip-type magnetic bead FB1 are connected with the chip-type magnetic bead FB1 in parallel, the fourth resistor R39 and the third resistor R38 are connected in parallel with a first resistor R37 and a patch type magnetic bead FB2, the first resistor R36 is connected in parallel with a second resistor R37, the first resistor R36 is connected in parallel with a third resistor R38, the first capacitor C32 is connected in series with a first resistor R36, the third resistor R38 is connected in series with a third capacitor C34, the second capacitor C33 is connected in parallel with a first capacitor C32 and a third capacitor C34, and the current data output port is connected in parallel with a second capacitor C33;
the temperature signal rectifying circuit comprises a connecting terminal J10, a transient suppression diode D15, a patch type ceramic capacitor C40, a switch diode D16, a voltage reference chip U8, a patch type ceramic capacitor C38, a general operational amplifier U9 and a temperature data output port, the connecting terminal J10 is an input end of a temperature signal on the temperature sensor, the connecting terminal J10, the transient suppression diode D15 and the patch type ceramic capacitor C40 are sequentially connected in parallel from front to back, the switch diode D16 is connected in series with the general operational amplifier U9, and the switching diode D16 and the general operational amplifier U9 are connected in parallel with the patch type ceramic capacitor C40, the chip ceramic capacitor C38 is connected in parallel with a switch diode D16 and a general operational amplifier U9, the voltage reference chip U8 is connected with the chip type ceramic capacitor C38 in series, and the temperature data output port is connected with the voltage reference chip U8 in series.
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| CN202011332340.6A CN112510829A (en) | 2020-11-24 | 2020-11-24 | Data processing unit, main monitoring module and device for high-speed rail through line power cable |
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Application publication date: 20210316 |