CN214845588U - Comprehensive state monitoring device for transformer substation switch cabinet - Google Patents
Comprehensive state monitoring device for transformer substation switch cabinet Download PDFInfo
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- CN214845588U CN214845588U CN202120923459.4U CN202120923459U CN214845588U CN 214845588 U CN214845588 U CN 214845588U CN 202120923459 U CN202120923459 U CN 202120923459U CN 214845588 U CN214845588 U CN 214845588U
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Abstract
The utility model discloses a transformer substation's cubical switchboard comprehensive state monitoring devices, include: a cabinet body; the wireless temperature measurement module is used for receiving temperature information detected by the wireless temperature sensor; the temperature module is used for receiving temperature information detected by the wireless temperature sensor; the switching-on and switching-off coil voltage and current detector is used for receiving voltage and current information detected by a voltage and current sensor arranged on the switching-on and switching-off of the transformer substation; the wireless repeater is used for receiving partial discharge data information of the partial discharge monitoring intelligent sensor arranged on the outer side of the cabinet body; the control module is used for processing temperature information, voltage and current information and partial discharge data information detected by the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater and controlling the display module to display the temperature information, the voltage and current information and the partial discharge data information; a display module; and the communication module is used for communicating with the background monitoring center. The utility model discloses utilize high sensitivity's sensor to detect information in succession, provide the foundation for the state maintenance.
Description
Technical Field
The utility model relates to a cubical switchboard technical field of transformer substation, concretely relates to cubical switchboard comprehensive state monitoring devices of transformer substation.
Background
Along with the progress of the power system towards intellectualization, the monitoring of the switch cabinet of the transformer substation also puts forward a higher requirement, namely state monitoring. The existing transformer substation switch cabinet comprehensive state monitoring device still has the problems of incomplete monitoring system and unstable signal transmission.
Because the structure of cubical switchboard is complicated, more of current cubical switchboard state monitoring system just carries out state monitoring to certain aspect of cubical switchboard, does not realize the diversified state monitoring to the cubical switchboard. Because the strong data transmission who leads to state monitoring of electromagnetic interference in the cubical switchboard receives the interference easily, can't acquire effectual monitoring data and running state, has increased the monitoring and the maintenance degree of difficulty of cubical switchboard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, disclose the cubical switchboard comprehensive state monitoring devices of transformer substation.
The utility model provides a technical scheme that its technical problem adopted is:
the comprehensive state monitoring device of the switch cabinet of the transformer substation comprises:
a cabinet body;
the wireless temperature measuring module is arranged in the cabinet body and used for receiving temperature information detected by the wireless temperature sensor;
the switching-on and switching-off coil voltage and current detector is arranged in the cabinet body and used for receiving voltage and current information detected by a voltage and current sensor arranged on the switching-on and switching-off of the transformer substation;
the wireless repeater is arranged in the cabinet body and used for receiving partial discharge data information of the partial discharge monitoring intelligent sensor arranged on the outer side of the cabinet body;
the control module is arranged in the cabinet body and used for processing temperature information, voltage and current information and partial discharge data information detected by the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater and controlling the display module to display the temperature information, the voltage and current information and the partial discharge data information;
the display module is embedded in the cabinet body and is arranged in a display mounting hole in the front side of the cabinet body, and is used for displaying monitoring information of the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater;
the communication module is used for communicating with the background monitoring center;
the output ends of the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater are connected with the control module, the output end of the control module is connected with the display module, and the control module is connected with the communication module.
As a further technical scheme of the utility model do, wireless temperature sensor includes shell, mounting and antenna, inside temperature probe, signal conditioning amplifier and the wireless transmitter of setting up of shell, temperature probe sets up and is used for carrying out temperature monitoring to the temperature probe point on the surface of shell, signal conditioning amplifier is connected to temperature probe's output, wireless transmitter is connected to temperature conditioning amplifier's output.
As a further technical scheme of the utility model do, still set up the mounting through-hole on the shell, the mounting is the bar fixed band, and the bar fixed band passes the mounting through-hole, encircles the shell and is fixed in the point of measuring temperature, the tip of bar fixed band sets up fixed buckle.
Further, a protective sleeve is further arranged on the strip-shaped fixing belt and used for being isolated from the installation equipment.
As a further technical scheme of the utility model do, divide-shut brake coil voltage current detection module is including parallelly connected divide-shut brake voltage transformer who sets up on the divide-shut brake power supply line, the divide-shut brake current transformer of grafting on the divide-shut brake power supply line and the energy storage motor current transformer of grafting at energy storage motor's output.
As a further technical scheme of the utility model do, divide closing current transformer and energy storage motor current transformer are luo shi coil current transformer.
Furthermore, the intelligent partial discharge monitoring sensor is a TEV/AE/UHF three-in-one terminal sensor.
Further, the control module is an ARM microprocessor with model number LPC 2292.
Furthermore, the wireless repeater is a wireless repeater with a built-in lora antenna and the model number of FUTA-20-ZJQ, and an RS485 communication interface is arranged on the wireless repeater.
Compared with the prior art, the utility model has the following advantage:
the utility model continuously extracts the information parameter which can reflect the insulation state of the electrical equipment by using the high-sensitivity sensor, applies the intelligent technology according to the magnitude and the variation trend of the numerical value, the temperature of the cable of the multi-surface switch cabinet, the temperature of the bus bar pile head, the environmental temperature and humidity, the characteristics of the operating mechanism and the state of the multi-surface switch cabinet are monitored in real time, and all electric quantity parameters of the multi-surface switch cabinet can be collected in real time, the quality of the electric energy is analyzed and managed, the contact of the switch cabinet is accurately measured for temperature, the method comprises the steps of measuring discharge, automatically obtaining relevant closing voltage, closing current, opening voltage and opening current, predicting reliability real-time diagnosis and service life of equipment by a four-in-one local intelligent online monitoring system of the switch cabinet, making an overhaul scheme according to diagnosis results, and providing basis for state maintenance.
Drawings
Fig. 1 is a structural diagram of the comprehensive state monitoring device for the switch cabinet of the transformer substation of the utility model;
fig. 2 is a structure diagram of a casing of the comprehensive state monitoring device for the switch cabinet of the transformer substation of the utility model;
fig. 3 is a structural view of the display module according to the present invention;
fig. 4 is a structural diagram of the wireless temperature measurement module of the present invention;
fig. 5 is a schematic circuit diagram of the wireless temperature measurement module of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is a structural diagram of a comprehensive state monitoring device for a substation switch cabinet of the present invention; fig. 2 is a structure diagram of a casing of the comprehensive state monitoring device for the switch cabinet of the transformer substation of the utility model;
as shown in fig. 1 and 2, the device for monitoring the comprehensive state of the substation switch cabinet comprises:
the cabinet body 1 is provided with a plurality of through holes,
the wireless temperature measuring module 2 is arranged inside the cabinet body 1 and used for receiving temperature information detected by the wireless temperature sensor 21;
the opening and closing coil voltage and current detector 3 is arranged in the cabinet body 1 and used for receiving voltage and current information detected by a voltage and current sensor arranged on the opening and closing of the transformer substation;
the wireless repeater 4 is arranged inside the cabinet body 1 and used for receiving partial discharge data information of the partial discharge monitoring intelligent sensor 7 arranged outside the cabinet body 1;
the control module 5 is arranged in the cabinet body 1 and used for processing temperature information, voltage and current information and partial discharge data information detected by the wireless temperature measuring module 2, the opening and closing coil voltage and current detector 3 and the wireless repeater 4 and controlling the display module to display the temperature information, the voltage and current information and the partial discharge data information;
the display module 6 is embedded in the cabinet body 1 through a display mounting hole arranged on the front side of the cabinet body 1 and is used for displaying monitoring information of the wireless temperature measuring module 2, the opening and closing coil voltage and current detector 3 and the wireless repeater 4;
the communication module is used for communicating with the background monitoring center;
the output ends of the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater are connected with the control module, the output end of the control module is connected with the display module, and the control module is connected with the communication module.
The embodiment of the utility model provides an, utilize the sensor of high sensitivity to draw the information parameter that can reflect electrical equipment insulating state in succession, according to the size and the trend of change application intelligent technology of its numerical value, the temperature to the cable of multiaspect cubical switchboard, the temperature of busbar pile head, the environment humiture, operating device's characteristic and the state of multiaspect cubical switchboard carry out real-time monitoring, and can gather each electric quantity parameter of multiaspect cubical switchboard in real time, carry out analysis and management to the quality of electric energy, carry out accurate temperature measurement to the contact of cubical switchboard, measure discharging, and automatically acquire relevant combined floodgate voltage, combined floodgate current, open brake voltage, open brake current. The four-in-one local intelligent online monitoring system of the switch cabinet predicts the reliability real-time diagnosis and the service life of the equipment, and a maintenance scheme is worked out according to the diagnosis result so as to provide a basis for state maintenance.
The intelligent partial discharge monitoring sensor integrates online ultrahigh frequency, earth electric wave/ultrasonic wave/ultrahigh frequency, data acquisition and data analysis into a whole, is arranged on the surface of the cabinet body, and ultrasonic wave and ultrahigh frequency are arranged on the outer side of the cabinet body and used for monitoring partial discharge data information overflowing from the gap of the switch cabinet. The high-performance battery-powered adsorption type power supply system is convenient to install on site by adopting modes such as high-performance battery power supply, adsorption type installation, wireless communication and the like, adopts various anti-interference measures in design, and can stably operate in a power system. The ground electric wave/ultrasonic wave/ultrahigh frequency principle timing data acquisition suggests that three in one distribution room use the same collector to acquire data. And uploading TEV/AE/UHF partial discharge collection mean values and peak values. And the on-line acquisition unit uploads data such as an average value, a peak value, an alarm level, a map and the like. The device has a device parameter configuration function, and can perform main parameter programming setting. The system is provided with an RS485 communication interface, and an Ethernet interface can be customized for special applications. And all data can be uploaded to an upper-level collector or an upper computer system through a data communication bus.
Referring to fig. 3, the structure diagram of the display module installation structure of the present invention is shown; the display module adopts an LCD touch screen and is provided with a power indicator light, an operation indicator light, a warning indicator light, an alarm indicator light, a liquid crystal display area and keys;
referring to fig. 4 and 5, wherein fig. 4 is a structural diagram of the wireless temperature measurement module of the present invention; fig. 5 is a schematic circuit diagram of the wireless temperature measurement module of the present invention.
As shown in fig. 4 and 5, the wireless temperature sensor 21 includes a housing 211, a fixing member 212, and an antenna 213, a temperature probe 214, a signal conditioning amplifier 215, and a wireless transmitter 216 are disposed inside the housing 211, the temperature probe 214 is disposed on a surface of the housing 211 for performing temperature monitoring on a temperature detection point, an output end of the temperature probe 214 is connected to the signal conditioning amplifier 215, and an output end of the temperature conditioning amplifier 215 is connected to the wireless transmitter 216.
The outer shell 211 is further provided with a mounting through hole, the fixing part 212 is a strip-shaped fixing band, the strip-shaped fixing band penetrates through the mounting through hole to fix the outer shell around a temperature measuring point, and the end portion of the strip-shaped fixing band is provided with a fixing buckle 217. A protective sleeve 218 is also provided on the strip-shaped fixing belt for isolation from the mounting equipment.
In the embodiment of the present invention, the control module 5 is an ARM microprocessor of model LPC 2292. The wireless repeater 4 is a wireless repeater with a built-in lora antenna and the model number of FUTA-20-ZJQ, and an RS485 communication interface is arranged on the wireless repeater. The intelligent partial discharge monitoring sensor 7 is a TEV/AE/UHF three-in-one terminal sensor.
The wireless temperature sensor is arranged on a busbar, a static contact, a cable lapping position, a wire outlet pile head, a breaker wire inlet and outlet end, an isolation disconnecting link, an open wire inlet, an open wire outlet and a cable wire outlet in the transformer cabinet.
The embodiment of the utility model provides an in, to wireless temperature sensor's installation, at first foresee the length at installation position, select the mounting of suitable length, alternate the mounting to the installation through-hole of shell, suit protective sheath on the mounting, the mounting that will have wireless temperature sensor twines to the temperature measurement position and lets wireless temperature sensor's temperature measurement point position contact temperature measurement position to the mounting of taut both sides is fixed through the installation buckle.
The embodiment of the utility model provides an in, divide-shut brake coil voltage current detector 3 is including parallelly connected divide-shut brake voltage transformer who sets up on the divide-shut brake power supply line, the divide-shut brake current transformer of grafting on the divide-shut brake power supply line and the energy storage motor current transformer of grafting at the output of energy storage motor. The switching-on and switching-off current transformer and the energy storage motor current transformer are Rogowski coil current transformers.
The opening and closing coil voltage and current detector is mainly used for monitoring the opening current, the opening voltage, the closing current and the closing voltage of the high-voltage circuit breaker on line, grasping the operation condition of the circuit breaker in time by monitoring the electrical parameters of the circuit breaker, giving an alarm to prompt maintenance in time when an abnormality occurs, reducing accidents caused by the self-fault of the circuit breaker and ensuring the service life of the circuit breaker; when the circuit breaker has faults of misoperation, refusal to operate, improper action and the like, data support is provided for analyzing the fault reason.
The embodiment of the utility model provides an in, set up the lora antenna on wireless temperature measurement module, divide-shut brake coil voltage current detector and the wireless repeater.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. Comprehensive state monitoring devices of cubical switchboard of transformer substation, its characterized in that includes:
a cabinet body is arranged in the cabinet body,
the wireless temperature measuring module is arranged in the cabinet body and used for receiving temperature information detected by the wireless temperature sensor;
the switching-on and switching-off coil voltage and current detector is arranged in the cabinet body and used for receiving voltage and current information detected by a voltage and current sensor arranged on the switching-on and switching-off of the transformer substation;
the wireless repeater is arranged in the cabinet body and used for receiving partial discharge data information of the partial discharge monitoring intelligent sensor arranged on the outer side of the cabinet body;
the control module is arranged in the cabinet body and used for processing temperature information, voltage and current information and partial discharge data information detected by the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater and controlling the display module to display the temperature information, the voltage and current information and the partial discharge data information;
the display module is embedded in the cabinet body and is arranged in a display mounting hole in the front side of the cabinet body, and is used for displaying monitoring information of the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater;
the communication module is used for communicating with the background monitoring center;
the output ends of the wireless temperature measuring module, the opening and closing coil voltage and current detector and the wireless repeater are connected with the control module, the output end of the control module is connected with the display module, and the control module is connected with the communication module.
2. The transformer substation switch cabinet comprehensive state monitoring device according to claim 1, wherein the wireless temperature sensor comprises a shell, a fixing member and an antenna, a temperature probe, a signal conditioning amplifier and a wireless transmitter are arranged inside the shell, the temperature probe is arranged on the surface of the shell and used for monitoring the temperature of a temperature detection point, the output end of the temperature probe is connected with the signal conditioning amplifier, and the output end of the temperature conditioning amplifier is connected with the wireless transmitter.
3. The device for monitoring the comprehensive state of the substation switch cabinet according to claim 2, wherein the housing is further provided with a mounting through hole, the fixing member is a strip-shaped fixing band, the strip-shaped fixing band penetrates through the mounting through hole to fix the housing around a temperature measuring point, and a fixing buckle is arranged at the end of the strip-shaped fixing band.
4. The substation switch cabinet comprehensive state monitoring device of claim 3, wherein a protective sleeve is further arranged on the strip-shaped fixing belt.
5. The device for monitoring the comprehensive state of the substation switch cabinet according to claim 1, wherein the switching-on and switching-off coil voltage and current detection module comprises a switching-on and switching-off voltage transformer arranged on a switching-on and switching-off power supply line in parallel, a switching-on and switching-off current transformer inserted on the switching-on and switching-off power supply line and an energy storage motor current transformer inserted at the output end of the energy storage motor.
6. The substation switch cabinet comprehensive state monitoring device of claim 5, wherein the switching-on and switching-off current transformer and the energy storage motor current transformer are Rogowski coil current transformers.
7. The device for monitoring the comprehensive state of the substation switch cabinet according to claim 1, wherein the intelligent partial discharge monitoring sensor is a TEV/AE/UHF three-in-one terminal sensor.
8. The substation switchgear integrated condition monitoring device of claim 1, wherein the control module is an ARM microprocessor of model LPC 2292.
9. The device for monitoring the comprehensive state of the substation switch cabinet according to claim 1, wherein the wireless repeater is a wireless repeater with a built-in lora antenna and the model number of FUTA-20-ZJQ, and an RS485 communication interface is arranged on the wireless repeater.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923459.4U CN214845588U (en) | 2021-04-29 | 2021-04-29 | Comprehensive state monitoring device for transformer substation switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120923459.4U CN214845588U (en) | 2021-04-29 | 2021-04-29 | Comprehensive state monitoring device for transformer substation switch cabinet |
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| CN214845588U true CN214845588U (en) | 2021-11-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021090A (en) * | 2022-08-09 | 2022-09-06 | 江苏依斯特电力科技有限公司 | Ring main unit on-line detection device |
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- 2021-04-29 CN CN202120923459.4U patent/CN214845588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115021090A (en) * | 2022-08-09 | 2022-09-06 | 江苏依斯特电力科技有限公司 | Ring main unit on-line detection device |
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