CN107293946B - Terminal box of transformer substation monitors system - Google Patents
Terminal box of transformer substation monitors system Download PDFInfo
- Publication number
- CN107293946B CN107293946B CN201710655811.9A CN201710655811A CN107293946B CN 107293946 B CN107293946 B CN 107293946B CN 201710655811 A CN201710655811 A CN 201710655811A CN 107293946 B CN107293946 B CN 107293946B
- Authority
- CN
- China
- Prior art keywords
- equipment
- terminal box
- transformer substation
- current temperature
- humidity value
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
The embodiment of the invention discloses a kind of terminal box of transformer substation to monitor system, including controlling equipment, data acquisition equipment, communication equipment, server, heating equipment and self-extinguishing equipment, data acquisition equipment is for acquiring the first current temperature and humidity value in terminal box of transformer substation and the second current temperature and humidity value outside terminal box of transformer substation, and the first current temperature and humidity value and the second current temperature and humidity value are sent to server by communication equipment, server is for handling to obtain processing result the described first current temperature and humidity value and the second current temperature and humidity value, and control instruction is sent to communication equipment according to processing result, control instruction is sent to control equipment by communication equipment, it controls equipment and heating equipment and self-extinguishing equipment work is controlled according to control instruction.Implement the embodiment of the present invention, heating equipment work can eliminate generated condensation in terminal box of transformer substation, to ensure that the performance of terminal box of transformer substation, eliminate the security risk of maintenance personal.
Description
Technical field
The present invention relates to power monitoring technical fields, and in particular to a kind of terminal box of transformer substation monitoring system.
Background technique
Terminal box of transformer substation is to ensuring that main equipment and system safety operation be of great significance.The big and air in day and night temperature
Moist place, droplet easy to form in terminal box of transformer substation.If droplet is dropped in the terminal block being currently running, it will
The performance for influencing terminal box of transformer substation, also can cause security risk to maintenance personal.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of terminal box of transformer substation monitoring system, to guarantee terminal box of transformer substation
Performance, eliminate the security risk of maintenance personal.
To achieve the above object, the embodiment of the invention provides a kind of terminal box of transformer substation to monitor system, including control is set
Standby, data acquisition equipment, communication equipment, server, heating equipment and self-extinguishing equipment, the data acquisition equipment is for adopting
Collect the first current temperature and humidity value in terminal box of transformer substation and the second current temperature and humidity value outside the terminal box of transformer substation, and will
The first current temperature and humidity value and the second current temperature and humidity value are sent to the server, the server by communication equipment
For being handled the described first current temperature and humidity value and the second current temperature and humidity value to obtain processing result, and according to described
Processing result sends control instruction to the communication equipment, and the control instruction is sent to the control and set by the communication equipment
Standby, the control equipment controls the heating equipment according to the control instruction and self-extinguishing equipment works.
As an alternative embodiment, the data acquisition equipment includes being set in the terminal box of transformer substation
The second Temperature Humidity Sensor outside first Temperature Humidity Sensor and the terminal box of transformer substation, first Temperature Humidity Sensor and
Second Temperature Humidity Sensor is connect with the communication equipment.
As an alternative embodiment, the control instruction includes heating instructions, the server is specifically used for:
According to the described first current temperature and humidity value and the second current temperature and humidity value determine in the terminal box of transformer substation whether
Generate condensation；
If generating condensation in the terminal box of transformer substation, the heating instructions are sent to the communication equipment.
As an alternative embodiment, the control instruction includes fire extinguishing instruction, the monitoring system further includes
Fire point monitoring device and self-extinguishing equipment, for acquiring the ignition point information in the terminal box of transformer substation, and by described
The ignition point information is sent to the server by communication equipment, and the server is according to ignition point information transmission
Fire extinguishing instruction is sent to the control equipment, the control by fire extinguishing instruction to the communication equipment, the communication equipment
Equipment controls the self-extinguishing equipment according to fire extinguishing instruction and works.The self-extinguishing equipment work can be in time to change
Ignition point is handled in the terminal box of power station, to prevent the generation of fire.
As an alternative embodiment, the control instruction includes shooting instruction, the terminal box of transformer substation monitoring
System further includes imaging sensor, and described image sensor is used to be acquired in the terminal box of transformer substation according to the shooting instruction
Image information, and described image information is sent to the server by the communication equipment.
As an alternative embodiment, when the server determines and generates condensation in the terminal box of transformer substation,
The server sends the shooting instruction to the communication equipment, and the shooting instruction is sent to described by the communication equipment
Equipment is controlled, the control equipment starts described image sensor according to the shooting instruction.
As an alternative embodiment, the server is also used to handle to determine described image information
The location information of condensation in terminal box of transformer substation is stated, and the location information of the condensation is sent to institute by the communication equipment
State control equipment.
As an alternative embodiment, the control equipment is also used to the position according to the control instruction and condensation
Information controls the heating equipment work.
As an alternative embodiment, the server is also used to send out alarm signal according to the processing result
Breath.
As an alternative embodiment, the terminal box of transformer substation monitoring system further includes client, for receiving
The warning message that the server issues.
Terminal box of transformer substation provided by the embodiment of the present invention monitors system, and server is to the described first current temperature and humidity value
And second current temperature and humidity value handled to obtain processing result, and control instruction, control are sent according to the processing result
Equipment controls heating equipment work according to the control instruction.The heating equipment work can be eliminated to be produced in terminal box of transformer substation
Raw condensation eliminates the security risk of maintenance personal to ensure that the performance of terminal box of transformer substation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram for the terminal box of transformer substation monitoring system that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the terminal box of transformer substation monitoring system that second embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the terminal box of transformer substation monitoring system that third embodiment of the invention provides.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be intended only as example, and cannot be used as a limitation and limit protection of the invention
Range.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Referring to FIG. 1, be the structural schematic diagram of the monitoring system of terminal box of transformer substation provided by first embodiment of the invention,
As shown, the system may include control equipment 10, data acquisition equipment 11, communication equipment 12, server 13, heating equipment
14 and client 15.
Wherein, data acquisition equipment 11 includes the first Temperature Humidity Sensor being set in terminal box of transformer substation and substation
Outer second Temperature Humidity Sensor of terminal box, the first Temperature Humidity Sensor are used to detect in terminal box of transformer substation first current warm and humid
Angle value, the second Temperature Humidity Sensor are used to detect the second current temperature and humidity value outside terminal box of transformer substation, this is first current warm and humid
Angle value and the second current temperature and humidity value are sent to communication equipment 12.Further, communication equipment 12 is by the first current temperature and humidity
Value and the second current temperature and humidity value are sent to server 13.Server 13 is to the first current temperature and humidity value and the second current temperature and humidity
Value is handled to obtain processing result, and sends control instruction to communication equipment 12 according to processing result, and communication equipment 12 will
Control instruction is sent to control equipment 10, and control equipment 10 controls the heating equipment 14 and work according to control instruction.
Specifically, in the present embodiment, server 13 receive the first current temperature and humidity value and the second current temperature and humidity value it
Afterwards, if the first current temperature and humidity value in terminal box does not have the item of the second current temperature and humidity value 1-3 degree outside higher than terminal box
Part, then it is determined that can generate condensation at night in terminal box of transformer substation, then, server 13 sends heating instructions to communication equipment
12, conversely, without any processing.Heating instructions are sent to control equipment 10 by communication equipment 12, control equipment 10 according to heating
Instruction control heating equipment 14 is started to work, so that the temperature in terminal box is gradually increasing, so that condensation evaporates.
Further, after server 13 receives the first current temperature and humidity value and the second current temperature and humidity value, judge first
Whether current temperature and humidity value is more than preset Threshold of Temperature And Humidity, if being more than, illustrates that the temperature in terminal box is excessively high, at this time to visitor
15 alert of family end.
To more fully understand the present embodiment, now the specific workflow of the embodiment is described as follows:
S101, data acquisition equipment acquire outside the first current temperature and humidity value and terminal box of transformer substation in terminal box of transformer substation
The second current temperature and humidity value；
First current temperature and humidity value and the second current temperature and humidity value are sent to server by S102, data acquisition equipment；
S103, server determines in terminal box of transformer substation according to the first current temperature and humidity value and the second current temperature and humidity value is
No generation condensation, while judging whether the first current temperature and humidity value is more than preset Threshold of Temperature And Humidity；
S104 sends heating instructions to communication equipment if generating condensation in terminal box of transformer substation；If being more than preset temperature
Humidity threshold then sends warning message to client；
Heating instructions are sent to control equipment by S105, communication equipment；
S106, control equipment control heating equipment according to heating instructions and start to work.
Terminal box of transformer substation provided by this implementation monitors system, and server is to the described first current temperature and humidity value and second
Current temperature and humidity value is handled to obtain processing result, and sends control instruction according to the processing result, and equipment root is controlled
According to control instruction control heating equipment work.The heating equipment work can be eliminated generated solidifying in terminal box of transformer substation
Dew, to ensure that the performance of terminal box of transformer substation, eliminates the security risk of maintenance personal.
Again referring to FIG. 2, being the structural representation of the monitoring system of terminal box of transformer substation provided by second embodiment of the invention
Figure, as shown, the system may include control equipment 20, data acquisition equipment 21, communication equipment 22, server 23, heating
Equipment 24, ignition point monitoring device 25, self-extinguishing equipment 26 and client 27.
Wherein, the difference of the embodiment and first embodiment is: ignition point monitoring device 25 is for acquiring transformer substation end
Ignition point information in sub- case, and ignition point information is sent to by server 23 by communication equipment 22, server 23 according to
Fire point information sends the fire extinguishing instruction to communication equipment 22, and fire extinguishing instruction is sent to control equipment 20, control by communication equipment 22
Control equipment 20 instructs control self-extinguishing equipment 26 to work according to fire extinguishing, to prevent the generation of fire.
It should be noted that the control equipment 20, data acquisition equipment 21, communication equipment 22, heating in the present embodiment are set
Standby 24 and client 27 function and workflow in above-described embodiment control equipment 10, data acquisition equipment 11, communicate
Equipment 12, heating equipment 14 and client 15 are similar, and details are not described herein.And server 23 is in the function of having server 13
On the basis of, it is also used to send fire extinguishing instruction according to ignition point information to communication equipment 22, is finally reached control self-extinguishing equipment
26 purposes put out a fire.
To more fully understand the present embodiment, now the specific workflow of the embodiment is described as follows:
S201, data acquisition equipment acquire outside the first current temperature and humidity value and terminal box of transformer substation in terminal box of transformer substation
The second current temperature and humidity value, ignition point monitoring device acquire terminal box of transformer substation in ignition point information；
S202, data acquisition equipment by the first current temperature and humidity value, the second current temperature and humidity value be sent to server and
Fire point information；
S203, server determines in terminal box of transformer substation according to the first current temperature and humidity value and the second current temperature and humidity value is
No generation condensation, while judging whether the first current temperature and humidity value is more than preset Threshold of Temperature And Humidity；
S204, if generating condensation in terminal box of transformer substation, server sends heating instructions to communication equipment；If being more than pre-
If Threshold of Temperature And Humidity, then server sends warning message to client；And server sends fire extinguishing according to ignition point information and refers to
It enables to communication equipment
Heating instructions, ignition point information and fire extinguishing instruction are sent to control equipment by S205, communication equipment；
S206, control equipment control heating equipment according to heating instructions and start to work, and control equipment according to ignition point information
And fire extinguishing instruction control self-extinguishing equipment is started to work.
Terminal box of transformer substation provided by the embodiment of the present invention monitors system, and server is to the described first current temperature and humidity value
And second current temperature and humidity value handled to obtain processing result, and control instruction, control are sent according to the processing result
Equipment controls heating equipment work according to the control instruction.The heating equipment work can be eliminated to be produced in terminal box of transformer substation
Raw condensation eliminates the security risk of maintenance personal to ensure that the performance of terminal box of transformer substation.
Again referring to FIG. 3, being the structural representation of the monitoring system of terminal box of transformer substation provided by third embodiment of the invention
Figure, as shown, the system may include control equipment 30, data acquisition equipment 31, imaging sensor 32, communication equipment 33,
Server 34, heating equipment 35 and client 36.
Wherein, the difference of the embodiment and first embodiment is: server 34 is according to the first current temperature and humidity value and
When two current temperature and humidity values determine generation condensation in terminal box of transformer substation, heating instructions are generated, but do not send, only sends shooting and refer to
It enables to communication equipment 33, shooting instruction is sent to control equipment 30 by communication equipment 33, controls equipment 30 according to shooting instruction control
Imaged sensor 32 is started to work.Further, imaging sensor 32 acquires the image information in terminal box of transformer substation, and will
Image information is sent to server 34 by communication equipment, and server 34 is handled image information to determine substation's terminal
The location information of condensation in case, and the location information of condensation and heating instructions are sent to control equipment by communication equipment 33
30, control equipment 30 accurately controls the alignment condensation of heating equipment 35 according to the location information of heating instructions and condensation and is heated
Processing, to achieve the purpose that quickly and accurately to eliminate condensation.
It should be noted that the control equipment 30, data acquisition equipment 31, communication equipment 33, heating in the present embodiment are set
Standby 35 and client 36 function and workflow in above-described embodiment control equipment 10, data acquisition equipment 11, communicate
Equipment 12, heating equipment 14 and client 15 are similar, and details are not described herein.And server 23 is in the function of having server 13
On the basis of, it is also used to handle image information to obtain the location information of condensation, the mesh of condensation quickly, is accurately eliminated in final realization
's.
To more fully understand the present embodiment, now the specific workflow of the embodiment is described as follows:
S301, data acquisition equipment acquire outside the first current temperature and humidity value and terminal box of transformer substation in terminal box of transformer substation
The second current temperature and humidity value；
First current temperature and humidity value and the second current temperature and humidity value are sent to server by S302, data acquisition equipment；
S303, server determines in terminal box of transformer substation according to the first current temperature and humidity value and the second current temperature and humidity value is
No generation condensation, while judging whether the first current temperature and humidity value is more than preset Threshold of Temperature And Humidity；
S304, if generating condensation in terminal box of transformer substation, server generates shooting instruction and heating instructions, but only sends
Heating instructions are to communication equipment；If being more than preset Threshold of Temperature And Humidity, warning message is sent to client；
Shooting instruction is sent to control equipment by S305, communication equipment；
S306, control equipment control imaging sensor according to shooting instruction and start to work to acquire in terminal box of transformer substation
Image information is sent to server by communication equipment by image information, imaging sensor；
S307, server are handled image information the location information to determine the condensation in terminal box of transformer substation, and
The location information of heating instructions and condensation is sent to communication equipment；
The location information of heating instructions and condensation is sent to control equipment by S308, communication equipment；
S309, control equipment control heating equipment according to the location information of heating instructions and condensation and start to work.
Terminal box of transformer substation provided by the embodiment of the present invention monitors system, and server is to the described first current temperature and humidity value
And second current temperature and humidity value handled to obtain processing result, and control instruction, control are sent according to the processing result
Equipment controls heating equipment work according to the control instruction.The heating equipment work can be eliminated to be produced in terminal box of transformer substation
Raw condensation eliminates the security risk of maintenance personal to ensure that the performance of terminal box of transformer substation.
The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although referring to aforementioned each reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified, or equivalent substitution of some or all of the technical features；And
These are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution,
It should all cover within the scope of the claims and the description of the invention.
Claims (5)
1. a kind of terminal box of transformer substation monitors system, including control equipment, data acquisition equipment, communication equipment and server,
The data acquisition equipment is used to acquire outside the first current temperature and humidity value and the terminal box of transformer substation in terminal box of transformer substation
The second current temperature and humidity value, and the described first current temperature and humidity value and the second current temperature and humidity value are passed through into communication equipment and sent
To the server, the server be used to handle the described first current temperature and humidity value and the second current temperature and humidity value with
Processing result is obtained, and control instruction is sent to the communication equipment according to the processing result, the communication equipment will be described
Control instruction is sent to the control equipment, which is characterized in that the terminal box of transformer substation monitoring system further includes heating equipment
And imaging sensor, the control instruction include heating instructions and shooting instruction；
The server determines the terminal box of transformer substation according to the described first current temperature and humidity value and the second current temperature and humidity value
Condensation inside whether is generated, while judging whether the first current temperature and humidity value is more than preset Threshold of Temperature And Humidity；
If generating condensation in the terminal box of transformer substation, the server generates the heating instructions and shooting instruction, and by institute
It states shooting instruction and is sent to the communication equipment；
The shooting instruction is sent to the control equipment by the communication equipment；
The control equipment controls described image sensor work according to the shooting instruction to acquire in terminal box of transformer substation
Described image information is sent to the server by image information, described image sensor；
The server is handled described image information the location information to determine the condensation in terminal box of transformer substation, and will
The location information of heating instructions and condensation is sent to communication equipment；
The location information of heating instructions and condensation is sent to control equipment by the communication equipment；
The control equipment controls the heating equipment according to the location information of heating instructions and condensation and starts to work.
2. terminal box of transformer substation as described in claim 1 monitors system, which is characterized in that the data acquisition equipment includes setting
It is placed in the first Temperature Humidity Sensor in the terminal box of transformer substation and the second temperature and humidity sensing outside the terminal box of transformer substation
Device, first Temperature Humidity Sensor and the second Temperature Humidity Sensor are connect with the communication equipment.
3. terminal box of transformer substation as described in claim 1 monitors system, which is characterized in that the control instruction includes that fire extinguishing refers to
It enables, the monitoring system further includes ignition point monitoring device and self-extinguishing equipment, for acquiring in the terminal box of transformer substation
Ignition point information, and the ignition point information is sent to by the server, the server root by the communication equipment
The fire extinguishing instruction is sent to the communication equipment according to the ignition point information, and the fire extinguishing is instructed and sent by the communication equipment
To the control equipment, the control equipment controls the self-extinguishing equipment according to fire extinguishing instruction and works.
4. terminal box of transformer substation as described in any one of claims 1-3 monitors system, which is characterized in that the server is also used
In outside according to the processing result handled the described first current temperature and humidity value and the second current temperature and humidity value
Alert.
5. terminal box of transformer substation as claimed in claim 4 monitors system, which is characterized in that terminal box of transformer substation monitoring system
System further includes client, the warning message issued for receiving the server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655811.9A CN107293946B (en) | 2017-08-03 | 2017-08-03 | Terminal box of transformer substation monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655811.9A CN107293946B (en) | 2017-08-03 | 2017-08-03 | Terminal box of transformer substation monitors system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107293946A CN107293946A (en) | 2017-10-24 |
| CN107293946B true CN107293946B (en) | 2019-08-13 |
Family
ID=60104444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710655811.9A Expired - Fee Related CN107293946B (en) | 2017-08-03 | 2017-08-03 | Terminal box of transformer substation monitors system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293946B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683563A (en) * | 2018-11-21 | 2019-04-26 | 武汉神洁建设发展有限公司 | The whole network leads to terminal box environment real time monitoring system and method |
| CN112178859B (en) * | 2020-08-18 | 2021-11-26 | 珠海格力电器股份有限公司 | Intelligent condensation preventing method and split structure of humidifier and humidifier |
| CN112286268B (en) * | 2020-10-31 | 2022-02-01 | 国网河南省电力公司检修公司 | Outdoor terminal box temperature and humidity control platform |
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| CN102868110A (en) * | 2012-09-24 | 2013-01-09 | 广东电网公司珠海供电局 | Method, device and system for performing video monitoring on outdoor ring main unit |
| CN203070080U (en) * | 2013-01-20 | 2013-07-17 | 陈湘波 | Humidity removing and heating centralized-control system of transformer station terminal box |
| CN204103268U (en) * | 2014-09-15 | 2015-01-14 | 国家电网公司 | Unmanned substation's terminal box monitoring device |
| CN106681409A (en) * | 2017-02-14 | 2017-05-17 | 国家电网公司 | Temperature-humidity control system for terminal box of substation and control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174759B (en) * | 2007-11-15 | 2011-05-25 | 杭州大有科技发展有限公司 | Integrated monitoring apparatus for electrical power distribution |
| CN202904409U (en) * | 2012-11-28 | 2013-04-24 | 重庆市电力公司检修分公司 | Monitoring device for transformer station terminal box heater |
-
2017
- 2017-08-03 CN CN201710655811.9A patent/CN107293946B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868110A (en) * | 2012-09-24 | 2013-01-09 | 广东电网公司珠海供电局 | Method, device and system for performing video monitoring on outdoor ring main unit |
| CN203070080U (en) * | 2013-01-20 | 2013-07-17 | 陈湘波 | Humidity removing and heating centralized-control system of transformer station terminal box |
| CN204103268U (en) * | 2014-09-15 | 2015-01-14 | 国家电网公司 | Unmanned substation's terminal box monitoring device |
| CN106681409A (en) * | 2017-02-14 | 2017-05-17 | 国家电网公司 | Temperature-humidity control system for terminal box of substation and control method |
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| Publication number | Publication date |
|---|---|
| CN107293946A (en) | 2017-10-24 |
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