CN107449468B - A kind of terminal box of transformer substation state monitoring apparatus - Google Patents
A kind of terminal box of transformer substation state monitoring apparatus Download PDFInfo
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- CN107449468B CN107449468B CN201710780338.7A CN201710780338A CN107449468B CN 107449468 B CN107449468 B CN 107449468B CN 201710780338 A CN201710780338 A CN 201710780338A CN 107449468 B CN107449468 B CN 107449468B
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- terminal box
- transformer substation
- signal processor
- alarm
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/02—Audible signalling systems; Audible personal calling systems using only mechanical transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/32—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving rectilinearly
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention provides a kind of terminal box of transformer substation state monitoring apparatus, including signal acquisition unit, signal processing unit and telecommunication unit；The signal acquisition unit includes temperature and humidity measurement module, current measurement module, voltage measurement module and travel switch；The signal processing unit includes signal modulation module, digital signal processor, power module and I/O interface；The telecommunication unit includes serial port module and gsm module.The second current transformer is provided between the power supply module and digital signal processor, second current transformer passes sequentially through the I/O interface and signal modulation module and is connected with the digital signal processor.The terminal box of transformer substation state monitoring apparatus further includes the second alarm, and the host computer is connected by electronic switch with second alarm.The present invention can temperature, humidity and chamber door state in monitoring substation terminal box, realize the on-line monitoring to terminal box of transformer substation state.
Description
Technical field
The present invention relates to substation field, specifically a kind of terminal box of transformer substation state monitoring apparatus.
Background technique
In the substation routinely built, outdoor electrical equipment mechanism case, i.e. terminal box are outdoor electrical equipment and indoor guarantor
The intermediate link for protecting observing and controlling, communication equipment connection, such as main transformer terminal box, voltage/current mutual inductor terminal box, switching mechanism operation
Case and disconnecting link electric operating case etc., are generally installed on the spot, are mainly responsible for indoor non-ionizing energy loss signal, communication and measure and control device
It is connect with outdoor all kinds of electrical equipments, plays the double action of measurement with protection in the power system, run shape
Whether state well directly influences the stability of safety and the power supply of Operation of Electric Systems.
It is to promote safe and stable operation of power system quality it can be seen that carrying out status monitoring to terminal box of transformer substation
One of effective means.
And currently, terminal box of transformer substation state monitoring apparatus in the market, being mainly used for matched heating drives wet device, it is past
Threshold of Temperature And Humidity is set toward using external mechanical dial plate, wet device, but its are driven in starting heating when monitoring that environmental condition transfinites
Only have local monitoring function, is not provided simultaneously with communication and remote alarm function, and the chamber door state of terminal box can not be monitored simultaneously
With the temperature and humidity state in terminal box.In addition, the alarm that the prior art uses, usually or is not easy to cause related work people
Member vision attention or be easy for causing noise pollution.
This is in place of the deficiencies in the prior art.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of terminal box of transformer substation shape
State monitoring device, for temperature, humidity and the chamber door state in monitoring substation terminal box, and for realizing to substation's terminal
The on-line monitoring of box-like state.
In order to solve the above technical problems, the present invention provides a kind of terminal box of transformer substation state monitoring apparatus, including signal
Acquisition unit, signal processing unit and telecommunication unit；
The signal acquisition unit includes for acquiring the temperature and humidity measurement module of temperature and humidity in terminal box of transformer substation, using
In current measurement module, the voltage for acquiring terminal box of transformer substation end of incoming cables of the electric current of acquisition terminal box of transformer substation end of incoming cables
Voltage measurement module and travel switch for acquiring terminal box of transformer substation door switch state；
The signal processing unit include signal modulation module, digital signal processor, for the digital signal at
The power module and opened with above-mentioned temperature and humidity measurement module, current measurement module, voltage measurement module and stroke that reason device is powered
Close the I/O interface being connected；The I/O interface is connected by the signal modulation module and the digital signal processor
It connects；
The telecommunication unit includes serial port module and gsm module；The serial port module and gsm module connects respectively
It connects on the digital signal processor.
Wherein, it is provided with the first current transformer between the power supply module and digital signal processor, described first
Current transformer is connect by alarm control circuit with the first alarm.
Wherein, the terminal box of transformer substation state monitoring apparatus further includes host computer, the digital signal processor
The host computer is remotely connected by the serial port module.
Wherein, it is provided with the second current transformer between the power supply module and digital signal processor, described second
Current transformer passes sequentially through the I/O interface and signal modulation module and is connected with the digital signal processor.
Wherein, the terminal box of transformer substation state monitoring apparatus further includes the second alarm, and the host computer passes through electricity
Sub switch is connected with second alarm.
Wherein, second alarm includes that the transparent shell is interior to be equipped with electricity in cube shaped transparent shell
Machine, first connecting rod, second connecting rod and a transparent blank pipe, the transparent blank pipe are built-in with a colour ball, on the output shaft of the motor
Equipped with an eccentric wheel, one end of the first connecting rod is installed in rotation in the one side edge of the eccentric wheel, and described first
One end of the other end of connecting rod and the second connecting rod is rotatablely connected, the other end of the second connecting rod and the transparent blank pipe
One end articulated connection, the other end of the transparent blank pipe are hinged on the side wall of the transparent shell.
Further, the transparent blank pipe is equipped with windbell.
In addition, the temperature and humidity measurement module uses Temperature Humidity Sensor.
Compared with the prior art, the advantages of the present invention are as follows:
(1) signal acquisition unit of the invention includes the temperature and humidity measurement mould for acquiring temperature and humidity in terminal box of transformer substation
Block, the current measurement module of electric current for acquiring terminal box of transformer substation end of incoming cables, for acquiring terminal box of transformer substation end of incoming cables
Voltage voltage measurement module and travel switch for acquiring terminal box of transformer substation door switch state, and then can
For the chamber door state of temperature, humidity and terminal box in monitoring substation terminal box, monitoring range is more extensive；
(2) present invention includes telecommunication unit, and the telecommunication unit includes serial port module and gsm module,
Make to be easy to implement telecommunication, each corresponding information that will can be acquired by signal acquisition unit in time so as to signal processing unit
Remote transmission is gone out, and specifically, sends terminal box-like state monitoring information and same to preset cell-phone number by gsm module
When by serial port module to host computer send terminal box-like state monitoring information；
(3) terminal box of transformer substation state monitoring apparatus of the present invention further include host computer, the second current transformer and
Second alarm, wherein the digital signal processor remotely connects the host computer, institute by the serial port module
The second current transformer stated is arranged between power supply module and digital signal processor, and second current transformer is successively
It is connected by the I/O interface and signal modulation module with the digital signal processor, the host computer passes through electronics
Switch is connected with second alarm, in use, when circut breaking occurs for the power supply module, the second Current Mutual Inductance
Device output detection value is zero, and the detected value of the second current transformer is sent to signal modulation module by the I/O interface,
After corresponding signal modulation, under the control action of digital signal processor, on the one hand by gsm module to preset
Cell-phone number sends the warning message of terminal box of transformer substation state monitoring apparatus power module power supply trouble, on the other hand passes through serial ports
Module sends the warning message of above-mentioned terminal box of transformer substation state monitoring apparatus power module power supply trouble to the host computer,
And host computer controls the electronic switch and connects after the warning message for receiving the power module power supply trouble, and then controls
The second alarm equipment alarm is made, acquaint oneself with the current situation in time convenient for relevant staff and makes corresponding processing in time；
(4) the present invention provides a kind of new alarm, i.e. second alarm, which includes in vertical
The transparent shell of cube shape, the transparent shell is interior equipped with motor, first connecting rod, second connecting rod and a transparent blank pipe, described
Transparent blank pipe is built-in with a colour ball, and an eccentric wheel is equipped on the output shaft of the motor, and one end of the first connecting rod can be rotated
Ground is mounted in the one side edge of the eccentric wheel, and one end of the other end of the first connecting rod and the second connecting rod, which rotates, to be connected
It connects, one end of the other end of the second connecting rod and the transparent blank pipe is articulated and connected, and the other end of the transparent blank pipe is hinged
On the side wall of the transparent shell, when motor work once electrified, the output shaft of motor is rotated, and the eccentric wheel follows motor
Output shaft synchronous rotation drive the transparent blank pipe and then by the transmission effect of the first connecting rod and second connecting rod
It moves up and down, and then the colour ball in transparent blank pipe is enabled to ceaselessly to slide in transparent blank pipe, so as to cause relevant work
The vision attention of personnel, and then achieve the purpose that alarm, and structure is simple, is easy to implement；
(5) the second alarm of the present invention, transparent blank pipe are equipped with windbell, and the movement of transparent blank pipe drives institute
The windbell stated is swung, so that windbell be made to emit a dulcet sound, and then is achieved the purpose that alarm, will not be generated noise pollution,
Not only practical but also be easy to implement.
It can be seen that compared with prior art, the present invention implementing with substantive distinguishing features outstanding and significant progress
Beneficial effect be also obvious.
Detailed description of the invention
Fig. 1 is the electrical principle block diagram schematic diagram of terminal box of transformer substation state monitoring apparatus of the present invention.
Fig. 2 is the structural schematic diagram of the second alarm described in Fig. 1.
Fig. 3 is the circuit diagram schematic diagram of alarm control circuit shown in Fig. 1.
Wherein: 1, transparent shell, 2, motor, 3, eccentric wheel, 4, output shaft, 5, first connecting rod, 6, second connecting rod, 7, transparent
Blank pipe, 8, colour ball, 9, shaft, 10, shaft, 11, hinged seat, 12, hinged seat, 13, windbell.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing, to technical solution of the present invention
It is clearly and completely described.
As shown in Figure 1, 2, a kind of terminal box of transformer substation state monitoring apparatus of the invention, including signal acquisition unit, letter
Number processing unit and telecommunication unit.The signal acquisition unit includes for acquiring temperature and humidity in terminal box of transformer substation
Temperature and humidity measurement module, the current measurement module of electric current for acquiring terminal box of transformer substation end of incoming cables, for acquiring substation
The voltage measurement module of the voltage of terminal box end of incoming cables and stroke for acquiring terminal box of transformer substation door switch state are opened
It closes.The signal processing unit includes signal modulation module, digital signal processor, supplies for the digital signal processor
Electricity power module and be connected with above-mentioned temperature and humidity measurement module, current measurement module, voltage measurement module and travel switch
The I/O interface connect；The I/O interface is connect by the signal modulation module with the digital signal processor.Institute
The telecommunication unit stated includes serial port module and gsm module；The serial port module and gsm module is connected to described
On digital signal processor.The terminal box of transformer substation state monitoring apparatus further includes host computer, at the digital signal
Reason device remotely connects the host computer by the serial port module.It is set between the power supply module and digital signal processor
It is equipped with the first current transformer, first current transformer is connect by alarm control circuit with the first alarm.It is described
The second current transformer is provided between power supply module and digital signal processor, second current transformer passes sequentially through
The I/O interface and signal modulation module is connected with the digital signal processor.The terminal box of transformer substation state
Monitoring device further includes the second alarm, and the host computer is connected by electronic switch with second alarm.
In use, temperature and humidity measurement module is mounted in terminal box of transformer substation, by current measurement module and voltage measurement
Module is mounted on the end of incoming cables of terminal box of transformer substation, and travel switch is mounted on the chamber door of terminal box of transformer substation, by the second report
Alert device and host computer are placed in remote monitoring center.After powering on, the terminal box of transformer substation state that the present invention is monitored is on the one hand logical
It crosses gsm module and is sent to the mobile phone for presetting cell-phone number, host computer is on the one hand sent to by serial port module, to be based on institute
The host computer stated can remotely realize in door switch state and case to terminal box of transformer substation temperature and humidity and to transformer substation end
The electric current of sub- case end of incoming cables and the monitoring of voltage condition shorten overhaul of the equipments to mitigate the work load of relevant staff
Time guarantees the safe and stable operation of electric system.
Wherein, when circut breaking occurs for the power supply module, the second current transformer output detection value is zero, and the
The detected value of two current transformers is sent to signal modulation module by the I/O interface, after corresponding signal modulation,
Under the control action of digital signal processor, substation's terminal is on the one hand sent to preset cell-phone number by gsm module
On the one hand the warning message of case state monitoring apparatus power module power supply trouble is sent by serial port module to the host computer
The warning message of above-mentioned terminal box of transformer substation state monitoring apparatus power module power supply trouble, host computer are receiving the power supply mould
After the warning message of block power supply trouble, controls the electronic switch and connect, and then control the second alarm equipment alarm, convenient for correlation
Staff acquaints oneself with the current situation in time and makes corresponding processing in time, and then ensures that whole transformer station terminal box status monitoring fills
The normal operation set.
Specifically, in the present embodiment, second alarm include in cube shaped transparent shell 1, it is described
Transparent shell 1 in be equipped with motor 2, first connecting rod 5, second connecting rod 6 and transparent blank pipe 7, the transparent blank pipe 7 be built-in with one coloured silk
Ball 8, is equipped with an eccentric wheel 3 on the output shaft 4 of the motor 2, one end of the first connecting rod 5 be installed in rotation on it is described partially
In the one side edge of heart wheel 3, one end of the other end of the first connecting rod 5 and the second connecting rod 6 is rotatablely connected, and described second
One end of the other end of connecting rod 6 and the transparent blank pipe 7 is articulated and connected, and the other end of the transparent blank pipe 7 is hinged on described
On the side wall of bright shell 1.Wherein, the transparent blank pipe 7 is equipped with windbell 13.In use, when PC control motor 2 must be electric
When work, the output shaft 4 of motor 2 is rotated, and the eccentric wheel 3 follows the output shaft 4 of motor 2 to rotate synchronously, and then passes through institute
The transmission effect for stating first connecting rod 5 and second connecting rod 6 drives the transparent blank pipe 7 to pump along hinged seat 12,
So that the colour ball 8 in transparent blank pipe 7 ceaselessly slides in transparent blank pipe 7, while the windbell 13 being driven to swing hair
Euphony out, so as to cause relevant work personnel vision and the sense of hearing note that achieve the purpose that alarm in turn, it is entire to alarm
Noise pollution will not be generated in the process, and structure is simple, is easy to implement, it is more practical.
In embodiments, as shown in figure 3, the alarm control circuit includes the first chip, first chip
5 feet of IC1 are connect with one end of first current transformer, the other end of the first current transformer by first capacitor C1 with
6 feet of the first chip IC 1 connect, and 1 foot of the first chip IC 1 passes through the first indicator light L1 and first resistor R1 and the first chip
3 feet of IC1 connect, and 4 feet of the first chip IC 1 are connect with the output end of a voltage-stablizer IC2, and 6 feet of the first chip IC 1 pass through the
Two resistance R2, the first slide rheostat RP are connect with 4 feet, and 7 feet of the first chip IC 1 are connected by first diode D1 and 4 feet
It connects, there is that a relay K1 is in parallel with first diode D1, the normally opened contact K1-1 of relay K1 and described the
The series connection of one alarm, 8 feet of the first chip IC 1 are connect with 4 feet；2 feet of the first chip IC 1 pass through 3rd resistor R3 and voltage-stablizer
The output end of IC2 connects, and the input terminal of the voltage-stablizer IC2 is connect with the anode of the power module, the ground connection of voltage-stablizer IC2
End is connect with the cathode of power module, and connect the second capacitor C2 between the ground terminal and the input terminal of voltage-stablizer IC2 of voltage-stablizer IC2,
1 foot of first chip IC 1 is connect with the cathode of the power module, and 6 feet of the first chip IC 1 pass through the 4th resistance R4
It being connect with the cathode of the power module, 2 feet of the first chip IC 1 are connect by switch S1 with the cathode of the power module,
3 feet of the first chip IC 1 are connect with 7 feet.Wherein, the power module is bridge rectifier, first chip IC 1
For NE555 type time-base integrated circuit, the voltage-stablizer IC2 is LM7812 type three terminal integrated voltage stabilizer.Wherein, institute in the present invention
The alarm control circuit stated can also be using the alarm electricity that can arbitrarily control first alarm equipment alarm in the prior art
Road.
In addition, in the present embodiment, the temperature and humidity measurement module uses Temperature Humidity Sensor, the electric current is surveyed
It measures module and uses Hall current mutual inductor, the voltage measurement module uses Hall voltage mutual inductor, the digital signal
Processor uses TMS320F28335 processor, and the gsm module uses TC35i module.
In addition, first alarm can have identical knot using with the second alarm described in present embodiment
Other kinds of alarm can also be used in the alarm of structure.In the present embodiment, first alarm uses acousto-optic report
Alert device.
Embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned implementation
Invention is explained in detail for mode, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are repaired
Change or replaces, the range for each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of terminal box of transformer substation state monitoring apparatus, it is characterised in that: including signal acquisition unit, signal processing unit and
Telecommunication unit；The signal acquisition unit includes the temperature and humidity measurement mould for acquiring temperature and humidity in terminal box of transformer substation
Block, the current measurement module of electric current for acquiring terminal box of transformer substation end of incoming cables, for acquiring terminal box of transformer substation end of incoming cables
Voltage voltage measurement module and travel switch for acquiring terminal box of transformer substation door switch state；
The signal processing unit includes signal modulation module, digital signal processor, for the digital signal processor
The power module of power supply and with above-mentioned temperature and humidity measurement module, current measurement module, voltage measurement module and travel switch phase
The I/O interface of connection；The I/O interface is connect by the signal modulation module with the digital signal processor；
The telecommunication unit includes serial port module and gsm module；The serial port module and gsm module is connected to
On the digital signal processor；
The terminal box of transformer substation state monitoring apparatus further includes host computer, and the digital signal processor passes through described
Serial port module remotely connects the host computer；
The terminal box of transformer substation state monitoring apparatus further includes the second alarm, and the host computer passes through electronic switch and institute
The second alarm stated is connected；
Second alarm includes that the transparent shell (1) is interior to be equipped with motor in cube shaped transparent shell (1)
(2), first connecting rod (5), second connecting rod (6) and transparent blank pipe (7), the transparent blank pipe (7) is built-in with a colour ball (8), described
An eccentric wheel (3) are equipped on the output shaft (4) of motor (2), one end of the first connecting rod (5) is installed in rotation on described inclined
In the one side edge of heart wheel (3), the other end of the first connecting rod (5) and the one end of the second connecting rod (6) are rotatablely connected, institute
One end of the other end and the transparent blank pipe (7) of stating second connecting rod (6) is articulated and connected, the other end of the transparent blank pipe (7)
It is hinged on the side wall of the transparent shell (1).
2. terminal box of transformer substation state monitoring apparatus according to claim 1, it is characterised in that: the power supply module sum number
The first current transformer is provided between word signal processor, first current transformer passes through alarm control circuit and one
The connection of first alarm.
3. terminal box of transformer substation state monitoring apparatus according to claim 1, it is characterised in that: the power supply module sum number
The second current transformer is provided between word signal processor, second current transformer passes sequentially through the I/O and connects
Mouth and signal modulation module are connected with the digital signal processor.
4. terminal box of transformer substation state monitoring apparatus according to claim 1, it is characterised in that: the transparent blank pipe
(7) windbell (13) are equipped with.
5. terminal box of transformer substation state monitoring apparatus according to claim 1 or 2, it is characterised in that: the temperature and humidity
Measurement module uses Temperature Humidity Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780338.7A CN107449468B (en) | 2017-09-01 | 2017-09-01 | A kind of terminal box of transformer substation state monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780338.7A CN107449468B (en) | 2017-09-01 | 2017-09-01 | A kind of terminal box of transformer substation state monitoring apparatus |
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| Publication Number | Publication Date |
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| CN107449468A CN107449468A (en) | 2017-12-08 |
| CN107449468B true CN107449468B (en) | 2018-12-28 |
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| CN201710780338.7A Active CN107449468B (en) | 2017-09-01 | 2017-09-01 | A kind of terminal box of transformer substation state monitoring apparatus |
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| CN113267259A (en) * | 2021-05-18 | 2021-08-17 | 国网河北省电力有限公司清河县供电分公司 | Terminal box warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570902U (en) * | 2009-09-28 | 2010-09-01 | 泉州科力电气有限公司 | System for remotely monitoring and managing humidity of terminal box of transformer substation |
| CN202421925U (en) * | 2012-02-02 | 2012-09-05 | 重庆润创科技有限公司 | Anti-condensation monitoring device for terminal box of transformer substation |
| 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 |
| CN204347562U (en) * | 2014-09-28 | 2015-05-20 | 国家电网公司 | A kind of supervisory system with the terminal box of transformer substation of limit function |
| CN105098995B (en) * | 2015-09-22 | 2017-11-07 | 国网山东省电力公司滨州供电公司 | On off state supervising device in a kind of transformer station's cabinet |
| KR101737072B1 (en) * | 2016-07-13 | 2017-05-18 | 선광엘티아이(주) | Resistance and current observation system of the ground line |
| CN106771801B (en) * | 2016-11-28 | 2023-06-16 | 国家电网公司 | Online monitoring device for capacitor bank and application method of online monitoring device |
| CN207074070U (en) * | 2017-09-01 | 2018-03-06 | 国网山东省电力公司滨州供电公司 | A kind of terminal box of transformer substation state monitoring apparatus |
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