CN210109651U - Dehumidification monitoring system for cable trench of transformer substation - Google Patents
Dehumidification monitoring system for cable trench of transformer substation Download PDFInfo
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- CN210109651U CN210109651U CN201921379267.0U CN201921379267U CN210109651U CN 210109651 U CN210109651 U CN 210109651U CN 201921379267 U CN201921379267 U CN 201921379267U CN 210109651 U CN210109651 U CN 210109651U
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 66
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000779 smoke Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 5
- 230000005494 condensation Effects 0.000 abstract description 9
- 238000009833 condensation Methods 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
A dehumidification monitoring system for a cable trench of a transformer substation comprises a sensor assembly, a processor module, a GSM wireless module and dehumidification equipment; the sensor assembly comprises a temperature and humidity sensor; the dehumidification equipment comprises an upper dehumidification system and a lower dehumidification system; the temperature and humidity sensor is connected with the processor module through an RS485 communication interface, the processor module is connected with the GSM wireless module through a serial port module, and the GSM wireless module is connected with the upper dehumidification system and the lower dehumidification system respectively; go up dehumidification system and install in the computer lab of transformer substation, lower dehumidification system installs in the cable pit of computer lab of transformer substation, utilizes dehumidification system replacement dry air to get into down in the cable pit, and in moisture was discharged to the computer lab of transformer substation through the circulation, it was outdoor that last dehumidification system in the computer lab of transformer substation made the moisture compression water discharge, and dry air is in getting into the reciprocal circulation in the cable pit. The utility model discloses can fundamentally solve the cubical switchboard humidity problem, effectively avoid the cubical switchboard condensation to discharge, the cable insulation reduces, the emergence of accidents such as cubical switchboard explosion.
Description
Technical Field
The utility model relates to a cable pit operational environment monitored control system in the transformer substation specifically is a novel cable pit dehumidification monitored control system.
Background
The equipment in the transformer substation carries very important tasks in a power grid, wherein primary cables, main equipment, secondary equipment and the like are important components of the transformer substation and are easily affected by external environmental factors, such as accumulated water in a cable trench, indoor moisture regain is easily caused by changes of relative humidity and temperature difference in rainy seasons and day and night alternation, condensation occurs inside and outside the equipment due to moisture regain, insulation of the equipment is reduced, poor contact of terminals is caused, accidents such as damage of relay contacts inside the equipment, direct current grounding, short circuit grounding tripping caused by discharge insulation breakdown of a switch cabinet and the like occur, the accident handling difficulty is high, time is consumed, and normal operation of the power grid is seriously affected.
At present, a heater and a condensation dehumidifier are installed on partial equipment, and an air conditioner and a dehumidifier are installed indoors, but because the problems are not solved fundamentally in the indoor environment, the equipment is lack of management state for a long time, the power of the partial dehumidification equipment is too low, and the like, the partial equipment still has a moisture condensation phenomenon from the daily operation condition, so that great potential safety hazards exist, and a better solution is not provided so far.
Disclosure of Invention
The utility model discloses aim at solving the moist and cubical switchboard condensation scheduling problem of transformer substation's cable pit, provide a systematic transformer substation's cable pit dehumidification monitored control system, solve this type of problem.
The utility model discloses a realize with following technical scheme:
a dehumidification monitoring system for a cable trench of a transformer substation comprises a sensor assembly, a processor module, a GSM wireless module and dehumidification equipment; the sensor assembly comprises a temperature and humidity sensor; the dehumidification equipment comprises an upper dehumidification system and a lower dehumidification system; the temperature and humidity sensor is connected with the processor module through an RS485 communication interface, the processor module is connected with the GSM wireless module through a serial port module, and the GSM wireless module is connected with the upper dehumidification system and the lower dehumidification system respectively; go up dehumidification system installation in the transformer substation computer lab, dehumidification system installation is in the cable pit of transformer substation computer lab down, utilizes dehumidification system replacement dry air to get into down in the cable pit, and in moisture was discharged the transformer substation computer lab through the circulation, it was outdoor to make moisture compress into water discharge on the last dehumidification system in the transformer substation computer lab, and dry air is in getting into the reciprocal circulation in the cable pit.
Further, the upper dehumidification system comprises an intelligent dehumidifier, and the intelligent dehumidifier is installed in a floor type.
Furthermore, a drainage pipeline is arranged in the transformer substation machine room, the drainage pipeline penetrates through a wall along the wall to be laid, a drainage pipe is laid in the drainage pipeline, one end of the drainage pipe is connected with the intelligent dehumidifier, and the other end of the drainage pipe is arranged outside the transformer substation machine room in the same direction.
Further, lower dehumidification system includes the dehumidification fan, and this dehumidification fan is installed on the wall in the cable pit.
Further, the temperature and humidity sensor adopts an SHT11 chip.
Further, the sensor assembly further comprises a smoke sensor, the smoke sensor is installed in the substation machine room and connected with the processor module through the RS485 communication interface, and the processor module is connected with the alarm circuit.
Furthermore, the smoke sensor adopts an NIS-09C type chip.
Furthermore, the sensor assembly also comprises a video monitor, the video monitor is connected with the processor module through an RS485 communication interface, and the running state and the environmental parameters of the field device can be checked in real time through the video monitor.
And the power supply module and the storage module are respectively connected with the processor module.
The utility model discloses beneficial effect:
the system can visually reflect the internal operating environment of the cable trench which is not suitable for monitoring in the transformer substation to the equipment, can monitor and manage the indoor environment temperature and humidity, fire and the indoor environment of the switch cabinet in real time, can effectively solve the problem that the environment of each boundary of the transformer substation causes adverse effects on equipment components, can fundamentally solve the problem of humidity of the switch cabinet, and effectively avoids accidents such as switch cabinet condensation discharge, cable insulation reduction and switch cabinet explosion.
Drawings
FIG. 1 is an overall electric control schematic diagram of the present invention;
FIG. 2 is a circuit diagram of a temperature and humidity sensor;
FIG. 3 is a circuit diagram of a smoke sensor;
FIG. 4 is a circuit diagram of an alarm;
fig. 5 is a schematic diagram of moisture removal in a substation room.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a dehumidification monitoring system for a cable trench of a transformer substation comprises a sensor assembly, a processor module 40, a GSM wireless module 60 and dehumidification equipment; the sensor assembly comprises a temperature and humidity sensor 10; the dehumidification equipment comprises an upper dehumidification system and a lower dehumidification system; the temperature and humidity sensor 10 is connected with the processor module 40 through an RS485 communication interface, the processor module 40 is connected with the GSM wireless module 60 through the serial port module 50, and the GSM wireless module 60 is connected with the upper dehumidification system and the lower dehumidification system respectively; go up dehumidification system installation in the transformer substation computer lab, dehumidification system installation is in the cable pit of transformer substation computer lab down, utilizes dehumidification system replacement dry air to get into down in the cable pit, and in moisture was discharged the transformer substation computer lab through the circulation, it was outdoor to make moisture compress into water discharge on the last dehumidification system in the transformer substation computer lab, and dry air is in getting into the reciprocal circulation in the cable pit.
It should be noted that the upper dehumidification system includes an intelligent dehumidifier 70, and the installation mode of the intelligent dehumidifier 70 is a floor type. The transformer substation machine room is provided with a drainage pipeline, the drainage pipeline penetrates through a wall along the wall to be laid, a drainage pipe is laid in the drainage pipeline, one end of the drainage pipe is connected with the intelligent dehumidifier, and the other end of the drainage pipe is arranged outside the transformer substation machine room in the same direction.
The lower dehumidifying system includes a dehumidifying fan 80, and the dehumidifying fan 80 is installed on the wall in the cable trench.
The temperature and humidity sensor 10 adopts an SHT11 type chip. The SHT11 type chip is a temperature and humidity composite sensor with calibrated digital signal output. The method has the advantages of excellent quality, ultra-fast response, strong anti-interference capability, extremely high cost performance and the like.
The sensor assembly further comprises a smoke sensor 20, the smoke sensor 20 is installed in a substation machine room and is connected with a processor module 40 through an RS485 communication interface, and the processor module 40 is connected with an alarm circuit 110.
The smoke sensor 20 is an NIS-09C chip. The NIS-09C chip is an ionic smoke sensor.
The sensor assembly further comprises a video monitor 30, wherein the video monitor 30 is connected with the processor module 40 through an RS485 communication interface, and the running state and the environmental parameters of the field device can be checked in real time through the video monitor.
The system further comprises a power supply module 90 and a storage module 100, wherein the power supply module 90 and the storage module 100 are respectively connected with the processor module 40.
The working process is as follows:
the temperature and humidity of the environment to be measured are collected by the temperature and humidity sensor, the collected information is transmitted to the processor module through the RS485 communication interface, the processor module uploads the information to the monitoring center through the network, when the humidity reaches a certain degree or the temperature changes sharply, the processor module uploads the information to the monitoring center to give an alarm when monitoring that the operating environment of the power equipment is abnormal, meanwhile, the work of a dehumidifier, an air conditioner, a heater and a fan is automatically controlled by a preset normal temperature and humidity value, indoor air is circularly dehumidified by an upper dehumidification system, dry air is replaced by a lower dehumidification system in a cable trench to enter, air is circulated by a plurality of linked fans in the cable trench, and moisture is circularly discharged to the indoor, the moisture is compressed into water by the indoor upper and lower dehumidification systems and is discharged out of the room, and the dry air is circulated in the cable trench in a reciprocating manner. Therefore, the condition of generating condensation is damaged, when the condition that the temperature and the humidity normally generate condensation disappears, the air conditioner, the dehumidifier and the fan stop working, the heater is automatically disconnected, and the intelligent control unit gives an alarm to be relieved and recovers to the monitoring state.
After the smoke sensor collects information such as smoke open fire and the like, data are transmitted to the processor module through the RS485 communication interface, the processor module gives an alarm through the alarm circuit, and the data can be uploaded to the monitoring center through the network to inform maintenance personnel on duty.
The running state and the environmental parameters of the field equipment can be checked in real time through the video monitor, and when the patrol is needed, indoor light is turned on and off through the controller in the monitoring center, so that the aim of remote patrol is fulfilled.
In conclusion, the monitoring system can visually reflect the internal operating environment of the cable trench which is not suitable for monitoring in the transformer substation to the equipment, can monitor and manage the indoor environment temperature and humidity, fire and the fire of the indoor environment of the indoor cable trench and the switch room in real time, can effectively solve the problem that the environment of each boundary of the transformer substation has bad influence on equipment components, can fundamentally solve the problem of humidity of the switch cabinet, and effectively avoids accidents such as condensation discharge of the switch cabinet, reduction of cable insulation, explosion of the switch cabinet and the like.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept and principle of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a transformer substation's cable pit dehumidification monitored control system which characterized in that: the system comprises a sensor assembly, a processor module, a GSM wireless module and dehumidification equipment;
the sensor assembly comprises a temperature and humidity sensor; the dehumidification equipment comprises an upper dehumidification system and a lower dehumidification system;
the temperature and humidity sensor is connected with the processor module through an RS485 communication interface, the processor module is connected with the GSM wireless module through a serial port module, and the GSM wireless module is connected with the upper dehumidification system and the lower dehumidification system respectively;
go up dehumidification system installation in the transformer substation computer lab, dehumidification system installation is in the cable pit of transformer substation computer lab down, utilizes dehumidification system replacement dry air to get into down in the cable pit, and in moisture was discharged the transformer substation computer lab through the circulation, it was outdoor to make moisture compress into water discharge on the last dehumidification system in the transformer substation computer lab, and dry air is in getting into the reciprocal circulation in the cable pit.
2. The substation cable trench dehumidification monitoring system of claim 1, wherein: the upper dehumidification system comprises an intelligent dehumidifier, and the intelligent dehumidifier is installed in a floor mode.
3. The substation cable trench dehumidification monitoring system of claim 2, wherein: the transformer substation machine room is provided with a drainage pipeline, the drainage pipeline penetrates through a wall along the wall to be laid, a drainage pipe is laid in the drainage pipeline, one end of the drainage pipe is connected with the intelligent dehumidifier, and the other end of the drainage pipe is arranged outside the transformer substation machine room in the same direction.
4. The substation cable trench dehumidification monitoring system of claim 1, wherein: the lower dehumidifying system comprises a dehumidifying fan, and the dehumidifying fan is installed on the wall in the cable trench.
5. The substation cable trench dehumidification monitoring system of claim 1, wherein: the temperature and humidity sensor adopts an SHT11 type chip.
6. The substation cable trench dehumidification monitoring system of claim 1, wherein: the sensor assembly further comprises a smoke sensor, the smoke sensor is installed in a substation machine room and connected with the processor module through an RS485 communication interface, and the processor module is connected with the alarm circuit.
7. The substation cable trench dehumidification monitoring system of claim 6, wherein: the smoke sensor adopts an NIS-09C type chip.
8. The substation cable trench dehumidification monitoring system of claim 1, wherein: the sensor assembly further comprises a video monitor, the video monitor is connected with the processor module through an RS485 communication interface, and the running state and the environmental parameters of the field device can be checked in real time through the video monitor.
9. The substation cable trench dehumidification monitoring system of claim 1, wherein: the intelligent power supply system further comprises a power supply module and a storage module, wherein the power supply module and the storage module are respectively connected with the processor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921379267.0U CN210109651U (en) | 2019-08-23 | 2019-08-23 | Dehumidification monitoring system for cable trench of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921379267.0U CN210109651U (en) | 2019-08-23 | 2019-08-23 | Dehumidification monitoring system for cable trench of transformer substation |
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| CN210109651U true CN210109651U (en) | 2020-02-21 |
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| CN201921379267.0U Active CN210109651U (en) | 2019-08-23 | 2019-08-23 | Dehumidification monitoring system for cable trench of transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488883A (en) * | 2019-08-23 | 2019-11-22 | 国网江苏省电力有限公司徐州供电分公司 | Dehumidifying monitoring system applied to cable duct of substation |
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2019
- 2019-08-23 CN CN201921379267.0U patent/CN210109651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488883A (en) * | 2019-08-23 | 2019-11-22 | 国网江苏省电力有限公司徐州供电分公司 | Dehumidifying monitoring system applied to cable duct of substation |
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