CN207133618U - A kind of box type transformer intelligent measuring and control device - Google Patents
A kind of box type transformer intelligent measuring and control device Download PDFInfo
- Publication number
- CN207133618U CN207133618U CN201720482987.4U CN201720482987U CN207133618U CN 207133618 U CN207133618 U CN 207133618U CN 201720482987 U CN201720482987 U CN 201720482987U CN 207133618 U CN207133618 U CN 207133618U
- Authority
- CN
- China
- Prior art keywords
- unit
- control device
- box type
- type transformer
- input
- Prior art date
- 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
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Box type transformer intelligent measuring and control device is the utility model is related to, including：The CPU card made using multilayer board and surface mount process, CPU card are included：Digital quantity input channel, digital output passage, analog input channel, master data buffer cell and the real-time clock being connected respectively with master data buffer cell, dsp chip, FLAH chips and serial EEPROM chip, digital quantity input channel includes the first phototube coupling unit and the first data buffer unit being sequentially connected, and the output end of the first data buffer unit is connected with master data buffer cell；Digital output passage includes the data latch unit and the second phototube coupling unit being sequentially connected；Analog input channel includes low-pass filter unit, signal sampling unit, AD conversion unit and the second data buffer unit being sequentially connected, and the output end of the second data buffer unit is connected with master data buffer cell.The technical solution of the utility model, the antijamming capability of the CPU card of measure and control device can be improved.
Description
Technical field
It the utility model is related to and be related to electrical substation monitoring equipment technical field, and in particular to a kind of box type transformer intelligent testing
Control device.
Background technology
Box type transformer (hereinafter referred to as case change) intelligent measuring and control device of the prior art mainly using Nan Rui groups with
South becomes protection supervisory equipment from the case of group, and the device includes 6 voltages and 6 current acquisition mouths；20 way switch amounts input
Mouthful；No. 8 relay delivery outlets；Two-way ethernet communication；Two-way RS485 is communicated；3 road non electrical quantity acquisition ports (2 road PT100,1 roads
4-20mA)；The wide temperature displays of LED.Case is become to the signal wire of the inside, such as grave gas, light Gas Signal line are connected to case and become protection
The back side of device.
The shortcomings that case change intelligent measuring and control device of the prior art, is：
1st, communication modes have serial ports (485), network interface (Ethernet), optical port, but optical port cannot function as photoelectricity interchanger
Use, it is necessary to which installing an optoelectronic device again in opposite end can carry out data transmission.Cost can so be increased.
2nd, existing apparatus does not have emergency review function, can not inquire about fault message.
3rd, the communications protocol of existing apparatus is not comprehensive, has plenty of 104 stipulations, has plenty of 103 stipulations, has plenty of modbus rule
About, do not unify.
4th, the poor anti jamming capability of CPU card.
5th, operating current only has 220V exchanges.
6th, the sub-values of CT bis- only have 5A.
7th, open and there was only 24 tunnels into terminal, be unfavorable for extending.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of box type transformer intelligence
Energy measure and control device, to improve the antijamming capability of the CPU card of measure and control device.
To realize object above, the utility model adopts the following technical scheme that：
A kind of box type transformer intelligent measuring and control device, including：The CPU made using multilayer board and surface mount process
Plug-in unit, the CPU card include：Digital quantity input channel, digital output passage, analog input channel, master data buffering
Unit and the real-time clock being connected respectively with the master data buffer cell, dsp chip, FLAH chips and serial EEPROM core
Piece, wherein,
The digital quantity input channel includes the first phototube coupling unit and the first data buffer unit being sequentially connected, institute
The output end for stating the first data buffer unit is connected with the master data buffer cell；The digital output passage is included successively
The data latch unit of connection and the second phototube coupling unit, wherein, the input of the data latch unit and the main number
Connected according to buffer cell；The analog input channel includes low-pass filter unit, signal sampling unit, the modulus being sequentially connected
Converting unit and the second data buffer unit, the output end of second data buffer unit connect with the master data buffer cell
Connect.
Preferably, the box type transformer intelligent measuring and control device, in addition to exchange input plug-in unit, the exchange input plug-in unit
Output end be connected with the CPU card；
The exchange input plug-in unit includes three-phase voltage input and three-phase current input, the three-phase voltage input
Small PT Input transformations unit is connected with, the three-phase current input is connected with small CT Input transformations unit；The small PT inputs
The output end of converter unit and small CT Input transformations unit is connected with low-pass filter unit；The output end of the low-pass filter unit
It is connected with signal sampling unit, AD conversion unit and frequency-tracking sampling unit in turn；The output of the low-pass filter unit
End is also associated with square wave generation unit, and the output end of the square wave generation unit is connected by CPU input ports and the CPU card
Connect.
Preferably, the box type transformer intelligent measuring and control device, in addition to power insert, the external 220V of power insert
Direct current or 220V alternating currents, output+5V, ± 12V and three groups of dc sources of+24V, wherein,
+ the 5V is used for
Data collecting system power supply inside the box type transformer intelligent measuring and control device ,+24V are used to drive the box type transformer intelligence
Relay inside energy measure and control device.
Preferably, the box type transformer intelligent measuring and control device is up to 40 tunnel intakes, the tunnel of standard configuration 24；
The box type transformer intelligent measuring and control device shares 3 tunnel DC quantity inputs, arbitrarily can be configured to 4~20mA all the way
Electric current inputs or the input of PT100 resistance temperature measurements；Wherein, the PT100 resistance temperature measurements scope is -50 DEG C~+200 DEG C, and precision is
±1℃。
Preferably, the box type transformer intelligent measuring and control device uses 1/3 19 inches of 6U cabinets of standard；The cabinet is adopted
Formula structure, including chassis body and the display screen for being arranged on the chassis body front portion are inserted with the back of the body.
Preferably, the cabinet also includes being arranged on the button module below the display screen, and the button module includes：
Move up cursor key, move down cursor key, move to left cursor key, right-cursor key, increase cursor where ranks keys, reduce cursor and be expert at
Row key, acknowledgement key, cancel key and reset key.
Preferably, the back of the chassis body uses facet harden structure, including：Analog quantity Insertion panel, CPU card
Panel, open into Insertion panel and power insert panel.
Preferably, A terminals and B terminals are provided with the analog quantity Insertion panel, the A terminals are current input terminal
Son, B terminals are voltage and DC input terminal.
Preferably, be provided with four run indicator on the CPU card panel, respectively run indicator, refer to extremely
Show lamp, tripping operation indicator lamp and alarm indicator.
Preferably, it is described open into the tunnel of Insertion panel full configuration 32 open into, can match 16 tunnels open into；
G interface terminal and H interface terminal are provided with the power insert panel, the G interface terminal is that 8 tunnel remote signalling connect
Enter terminal, H interface terminal is 6 road relay output end, working power access terminal and power ground terminal.
The utility model uses above technical scheme, at least possesses following beneficial effect：
This box type transformer intelligent measuring and control device provided by the utility model, CPU card employ multilayer board and
Surface mount process, greatly improve the reliability and anti-electromagnetic interference capability of device.CPU card is high performance dsp chip, it
Have high efficiency digital signal processing capability and MCU real-time control capability, working frequency 168MHz concurrently, it is possible to provide
1.25DMIPS/MHz performance, reach 0.06MW/MHz Energy Efficiency Ratio, support parallel processing.The suitable capacity of Embedded
FLASH, RAM and abundant I/O modules, and there are multiple timers with input capture, interrupt management is powerful.Piece
The a piece of Bits Serial EEPROM of 1M bytes FLASH, 32K x 8 of external expansion and two panels ethernet controller, the speed of service are fast.
In addition, this box type transformer intelligent measuring and control device provided by the utility model, compared with prior art, communication modes
There are serial ports (485), network interface (Ethernet), optical port, but optical port can be used as photoelectricity interchanger to use, and reduce cost.This
This box type transformer intelligent measuring and control device that utility model provides, has emergency review function, can store fault message.This
This box type transformer intelligent measuring and control device that utility model provides, communications protocol include 104 stipulations, 103 stipulations, modbus rule
About, can be that various host computers upload data.The existing 220V exchanges of operating current have 220V direct currents again.The existing 5A of the sub-values of CT bis-
There is 1A.Open and there was only 40 tunnels into terminal, be advantageous to extend.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of electricity of the CPU plug-in units for box type transformer intelligent measuring and control device that the embodiment of the utility model one provides
Road schematic block diagram；
Fig. 2 is that a kind of exchange for box type transformer intelligent measuring and control device that the embodiment of the utility model one provides inputs plug-in unit
Schematic block circuit diagram；
Fig. 3 is a kind of overall knot of the cabinet for box type transformer intelligent measuring and control device that the embodiment of the utility model one provides
Structure schematic diagram；
Fig. 4 is the logic diagram for the excessively stream I sections protection that the embodiment of the utility model one provides；
Fig. 5 is the logic diagram for the zero-sequence current protection that the embodiment of the utility model one provides；
Fig. 6 is the logic diagram for the overvoltage protection that the embodiment of the utility model one provides；
Fig. 7 is the logic diagram for the under-voltage protection that the embodiment of the utility model one provides；
Fig. 8 is the logic diagram for the overfrequency protection that the embodiment of the utility model one provides；
Fig. 9 is the logic diagram for the low frequency protection that the embodiment of the utility model one provides；
Figure 10 is the logic diagram for the PT burn out detection that the embodiment of the utility model one provides；
Figure 11 is the logic diagram for the CT burn out detection that the embodiment of the utility model one provides.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, a kind of box type transformer intelligent measuring and control device of the embodiment of the utility model one offer, including：Using
The CPU card that multilayer board and surface mount process make, the CPU card include：Digital quantity input channel 1, digital quantity
Output channel 2, analog input channel 3, master data buffer cell 12 and respectively it is connected with the master data buffer cell 12
Real-time clock 4, dsp chip 5, FLAH chips 6 and serial EEPROM chip 7, wherein,
The digital quantity input channel 1 includes the first phototube coupling unit 10 and the first data buffer unit being sequentially connected
11, the output end of first data buffer unit 11 is connected with the master data buffer cell 12；The digital output leads to
Road 2 includes the phototube coupling unit 22 of data latch unit 21 and second being sequentially connected, wherein, the data latch unit 21
Input is connected with the master data buffer cell 12；The analog input channel 3 includes the LPF list being sequentially connected
Member 31, signal sampling unit 32, the data buffer unit 34 of AD conversion unit 33 and second, second data buffer unit 34
Output end be connected with the master data buffer cell 12.
As shown from the above technical solution, this box type transformer intelligent measuring and control device provided by the utility model, CPU are inserted
Part employs multilayer board and surface mount process, greatly improves the reliability and anti-electromagnetic interference capability of device.CPU card
For high performance dsp chip, it has high efficiency digital signal processing capability and MCU real-time control capability concurrently, and working frequency is
168MHz, it is possible to provide 1.25DMIPS/MHz performance, reached 0.06MW/MHz Energy Efficiency Ratio, supported parallel processing.Embedded
FLASH, RAM of suitable capacity and abundant I/O modules, and there is multiple timers with input capture, interrupt management
It is powerful.Piece external expansion a piece of the Bits Serial EEPROM of 1M bytes FLASH, 32K x 8 and two panels ethernet controller, fortune
Scanning frequency degree is fast.
Referring to Fig. 2, it is preferable that the box type transformer intelligent measuring and control device, in addition to exchange input plug-in unit, the exchange
The output end of input plug-in unit is connected with the CPU card；
The exchange input plug-in unit includes three-phase voltage input 8 and three-phase current input 9, the three-phase voltage input
End 8 is connected with small PT Input transformations unit 81, and the three-phase current input 9 is connected with small CT Input transformations unit 91；It is described
The output end of small PT Input transformations unit 81 and small CT Input transformations unit 91 is connected with low-pass filter unit 82；The low pass filtered
The output end of ripple unit 82 is connected with signal sampling unit 83, AD conversion unit 84 and frequency-tracking sampling unit 85 in turn；
The output end of the low-pass filter unit is also associated with square wave generation unit 86, and the output end of the square wave generation unit 86 passes through
CPU input ports 87 are connected with the CPU card.
Preferably, the box type transformer intelligent measuring and control device, in addition to power insert, the external 220V of power insert
Direct current or 220V alternating currents, output+5V, ± 12V and three groups of dc sources of+24V, wherein,
+ the 5V is used for
Data collecting system power supply inside the box type transformer intelligent measuring and control device ,+24V are used to drive the box type transformer intelligence
Relay inside energy measure and control device.
It should be noted that+5V, ± 12V and three groups of dc sources of+24V are not altogether, and using floating ground mode, with outer
Shell is not attached to.
The box type transformer intelligent measuring and control device shares two earth points：Chassis earth point and power panel earth point H18,
The two earth points should be accessed reliably to the earth during actual use.
Preferably, the box type transformer intelligent measuring and control device is up to 40 tunnel intakes, the tunnel of standard configuration 24；
The box type transformer intelligent measuring and control device shares 3 tunnel DC quantity inputs, arbitrarily can be configured to 4~20mA all the way
Electric current inputs or the input of PT100 resistance temperature measurements；Wherein, the PT100 resistance temperature measurements scope is -50 DEG C~+200 DEG C, and precision is
±1℃。
Referring to Fig. 3, it is preferable that the box type transformer intelligent measuring and control device uses 1/3 19 inches of 6U cabinets of standard；Institute
State cabinet and formula structure, including chassis body 100 and the display screen 101 for being arranged on the chassis body front portion are inserted using the back of the body.
Preferably, the cabinet also includes the button module 102 for being arranged on the lower section of display screen 101, the button mould
Group 102 includes：Cursor key is moved up, cursor key is moved down, moves to left ranks key, reduction where cursor key, right-cursor key, increase cursor
Ranks key, acknowledgement key, cancel key and reset key where cursor.
Preferably, the back of the chassis body uses facet harden structure, including：Analog quantity Insertion panel, CPU card
Panel, open into Insertion panel and power insert panel.
Preferably, A terminals and B terminals are provided with the analog quantity Insertion panel, the A terminals are current input terminal
Son, B terminals are voltage and DC input terminal.
Preferably, be provided with four run indicator on the CPU card panel, respectively run indicator, refer to extremely
Show lamp, tripping operation indicator lamp and alarm indicator.
Preferably, it is described open into the tunnel of Insertion panel full configuration 32 open into, can match 16 tunnels open into；
G interface terminal and H interface terminal are provided with the power insert panel, the G interface terminal is that 8 tunnel remote signalling connect
Enter terminal, H interface terminal is 6 road relay output end, working power access terminal and power ground terminal.
It should be noted that this box type transformer intelligent measuring and control device provided by the utility model, sends out suitable for wind-force
The box change of electric field or the protection and observing and controlling of common transformer low-pressure side, possess perfect protection, measurement, control and function for monitoring,
It can integrate with Xiang Bian producers or be installed on the spot in switch cubicle, becoming monitoring system for case provides complete, reliable solution.
This box type transformer intelligent measuring and control device provided by the utility model, possesses following functions：
First, defencive function：
1st, three sections of phase overcurrent protections：The present apparatus sets three sections of specified time phase overcurrent protections, and three sections are three-phase type.Every section of excessively stream
Protect equal one time limit of band.I section of protection act criterion of excessively stream as shown in figure 4, II section of excessively stream and III section of logic of excessively stream with excessively stream I
Section.The setting valve of excessively stream definite value is perunit value, and current reference value In is bis- rated values of phase current CT in systematic parameter.
2nd, zero-sequencedirectional protection：For wind power plant solidly grounded system, device set up one section of zero-sequencedirectional protection with anti-
Ground protection is reflected, the logic chart of zero-sequence current protection is as shown in Figure 5.The present apparatus is by calculating the zero-sequence current of circuit, or uses
Zero sequence current mutual inductor obtains zero-sequence current to form ground protection.
3rd, overvoltage, low-voltage variation：The present apparatus is provided with one section of overvoltage protection, when any line voltage is determined more than overvoltage protection
During value, overvoltage protection is through adjusting delay tripping.Its operating criterion is as shown in Figure 6：
In figure, Ugy：Overvoltage protection definite value (V), T：Overvoltage protection is delayed (s).
Device includes one section of under-voltage protection, and when three-phase line voltage is all less than under-voltage protection definite value, low-voltage is protected
Shield is through adjusting delay tripping.Its operating criterion is as shown in Figure 7：
In figure, Udy：Under-voltage protection definite value (V), T：Under-voltage protection is delayed (s).
4th, overfrequency, underfrequency protection：The present apparatus is provided with one section of overfrequency and protected, when frequency measurement is more than protection definite value,
Overfrequency is protected through adjusting delay tripping.Its operating criterion is as shown in Figure 8：
In figure, Fzd：Overfrequency protection definite value (Hz), T：Overfrequency protection delay (s).
The present apparatus is provided with one section of low frequency and protected, and when frequency measurement is less than protection definite value, low frequency is protected through adjusting
Delay tripping.Its operating criterion is as shown in Figure 9：
In figure, Fzd：Low frequency protection definite value (Hz), T：Low frequency protection delay (s).
5th, 6 road non-ionizing energy loss：It can access grave gas tripping operation, the alarm of light gas alarming, SF6 pressure abnormities, transformer height
The signals such as temperature alarm, the tripping operation of transformer superhigh temperature, the low alarm of transformer oil level；
6th, PT broken strings alarm：PT broken string criterion it is as shown in Figure 10, when positive sequence voltage be less than 20V and three-phase maximum current it is big
It is more than 2.5V in 0.05 times of rated current or negative sequence voltage, that is, thinks that PT breaks, is delayed the 10S numbers of notifying.
7th, CT broken strings alarm：CT broken string criterions are as shown in figure 11, and the calculating zero-sequence current (3I0) of three-phase current is more than
25% maximum phase current and 5%In sums, that is, think that CT breaks, delay 10s alarms.
8th, failure wave-recording.
2nd, observing and controlling function：
1st, analog measurement, including IA, IB, IC, 3I0, UA, UB, UC, 3U0, UAB, UBC, UCA, F, P, Q, S, COS Φ
Deng the measurement of 16 analog quantitys；
2nd, the tunnel remote signalling of standard configuration 24 open into, most extendible 40 tunnel remote signalling open into, AC/DC220V it is active open into；
3rd, 6 tunnels remote control is outputed；
4th, 3 road direct current input (PT100,4~20mA are combined).
3rd, communication function：
1st, 1 RS485 interface of standard configuration；
2nd, 2 100Mbps Ethernet interfaces can be matched；
3rd, it is optional to match somebody with somebody optical fiber ring interfaces；
4th, 1 RS232 debugging mouth；
5th, communication protocol is supported：IEC-60870-5-103、IEC-60870-5-104、Modbus RTU.
4th, event is reported：
The specifying information of each event change is recorded in chronological order, and such as the failure logging found during self-check of device, remote signalling becomes
Position record, protection act or the process record of alarm, 1000 newest displacement information can be recorded altogether.
5th, operation note：
Various approach (including master unit, safeguard mouth and keyboard etc.) are recorded to the various operation behaviors of device, it is fixed such as to change
Value and systematic parameter, transmission, channel factor calibration, remote recording of master unit etc. are outputed, newest 256 can be recorded altogether
Operation note.
This box type transformer intelligent measuring and control device provided by the utility model, it is based on the complete of unified Hw and Sw pintform
New product, have the characteristics that：
1st, it is multiple functional：Object-Oriented Design, functional configuration that is professional, taking into full account live actual demand and its accurate
Realize possess powerful protection, observing and controlling function, support the various advanced application functions needed for electric automatization.Preferably to expire
Sufficient field application demand, following function is provided again in basic protection, observing and controlling function：
Blocking design, modular construction, expandability are strong；
Closing, reinforced unit cabinet anti-vibration, are adapted to ultra-hostile environment (UHE), -40 DEG C of temperature range~70 DEG C；
Device can access the authority of a distant place/on the spot and switch, and can gather on-load switch position, ground connection cutter position, low-side switch
The regular tap amount signal such as position；
Device for the achievable non-ionizing energy loss function of box change, (specifically trip, light gas moves by accessible grave gas action
Alert, the alarm of SF6 pressure abnormities, the tripping operation of transformer high temperature alarm, transformer superhigh temperature, the signal such as transformer oil level is low)；
Protection and automatic control function action process transparence, information record are complete, there is provided perfect and comprehensive accident
Recollect information；
Perfect self-check of device strategy.
2nd, high performance hardware platform：High-performance 32-bit microprocessor is the powerful hardware platform of core；High-resolution
A/D converter, per the point sampling of cycle 32, real-time parallel calculates, reliable and efficient；Mass storage is used for fault message, ripple
Shape information record.
3rd, friendly man-machine interface：Friendly man-machine interface, it is easy to operate, while provide it is powerful based on
Windows debugging software, improve field adjustable, the efficiency safeguarded；For convenience of debugging, there is provided virtual test function, bag
Include：Output transmission etc..
4th, good Electro Magnetic Compatibility：Using the anti-strong jamming design of multilayer screen, complete machine has good device cabinet
Electro Magnetic Compatibility.
From the foregoing, this box type transformer intelligent measuring and control device provided by the utility model, compared with prior art, leads to
News mode has serial ports (485), network interface (Ethernet), optical port, but optical port can be used as photoelectricity interchanger to use, and reduce into
This.This box type transformer intelligent measuring and control device provided by the utility model, there is emergency review function, failure letter can be stored
Breath.This box type transformer intelligent measuring and control device provided by the utility model, communications protocol include 104 stipulations, 103 stipulations,
Modbus stipulations, can be that various host computers upload data.The existing 220V exchanges of operating current have 220V direct currents again.The sub-values of CT bis-
Existing 5A also has 1A.Open and there was only 40 tunnels into terminal, be advantageous to extend.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance.Term " multiple " refers to two or more, is limited unless otherwise clear and definite.
Claims (10)
- A kind of 1. box type transformer intelligent measuring and control device, it is characterised in that including：Using multilayer board and surface mount process The CPU card of making, the CPU card include：Digital quantity input channel, digital output passage, analog input channel, master Data buffer unit and the real-time clock being connected respectively with the master data buffer cell, dsp chip, FLAH chips and serial Eeprom chip, wherein,The digital quantity input channel includes the first phototube coupling unit and the first data buffer unit that are sequentially connected, and described the The output end of one data buffer unit is connected with the master data buffer cell；The digital output passage includes being sequentially connected Data latch unit and the second phototube coupling unit, wherein, the input of the data latch unit delays with the master data Rush unit connection；The analog input channel includes the low-pass filter unit, signal sampling unit, analog-to-digital conversion being sequentially connected Unit and the second data buffer unit, the output end of second data buffer unit are connected with the master data buffer cell.
- 2. box type transformer intelligent measuring and control device according to claim 1, it is characterised in that also include exchange input and insert Part, the output end of the exchange input plug-in unit are connected with the CPU card；The exchange input plug-in unit includes three-phase voltage input and three-phase current input, the three-phase voltage input connection There is small PT Input transformations unit, the three-phase current input is connected with small CT Input transformations unit；The small PT Input transformations The output end of unit and small CT Input transformations unit is connected with low-pass filter unit；The output end of the low-pass filter unit is successively It is connected with signal sampling unit, AD conversion unit and frequency-tracking sampling unit；The output end of the low-pass filter unit is also Square wave generation unit is connected with, the output end of the square wave generation unit is connected by CPU input ports with the CPU card.
- 3. box type transformer intelligent measuring and control device according to claim 1, it is characterised in that also including power insert, institute The external 220V direct currents of power insert or 220V alternating currents, output+5V, ± 12V and three groups of dc sources of+24V are stated, wherein,+ the 5V is used to be the computer system power supply inside the box type transformer intelligent measuring and control device, and ± 12V is the case Data collecting system power supply inside formula intelligent transformer measure and control device ,+24V are used to drive the box type transformer intelligent monitoring Relay inside device.
- 4. box type transformer intelligent measuring and control device according to claim 1, it is characterised in that the box type transformer intelligence Measure and control device is up to 40 tunnel intakes, the tunnel of standard configuration 24；The box type transformer intelligent measuring and control device shares 3 tunnel DC quantity inputs, and it is defeated arbitrarily to can be configured to 4~20mA electric currents all the way Enter or PT100 resistance temperature measurements input；Wherein, the PT100 resistance temperature measurements scope is -50 DEG C~+200 DEG C, and precision is ± 1 DEG C.
- 5. the box type transformer intelligent measuring and control device according to any one of Claims 1 to 4, it is characterised in that described box Intelligent transformer measure and control device uses 1/3 19 inches of 6U cabinets of standard；The cabinet inserts formula structure, including cabinet master using the back of the body Body and the display screen for being arranged on the chassis body front portion.
- 6. box type transformer intelligent measuring and control device according to claim 5, it is characterised in that the cabinet also includes setting Button module below the display screen, the button module include：Move up cursor key, move down cursor key, move to left cursor key, Ranks key, acknowledgement key, cancel key and reset key where ranks key, reduction cursor where right-cursor key, increase cursor.
- 7. box type transformer intelligent measuring and control device according to claim 5, it is characterised in that the back of the chassis body Using facet harden structure, including：Analog quantity Insertion panel, CPU card panel, open into Insertion panel and power insert panel.
- 8. box type transformer intelligent measuring and control device according to claim 7, it is characterised in that the analog quantity Insertion panel On be provided with A terminals and B terminals, the A terminals are current input terminal, and B terminals are voltage and DC input terminal.
- 9. box type transformer intelligent measuring and control device according to claim 8, it is characterised in that on the CPU card panel It is provided with four run indicator, respectively run indicator, abnormal indicator lamp, tripping operation indicator lamp and alarm indicator.
- 10. box type transformer intelligent measuring and control device according to claim 9, it is characterised in that described to open into Insertion panel The tunnel of full configuration 32 open into, can match 16 tunnels open into；G interface terminal and H interface terminal are provided with the power insert panel, the G interface terminal is 8 tunnel remote signalling incoming ends Son, H interface terminal are 6 road relay output end, working power access terminal and power ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482987.4U CN207133618U (en) | 2017-05-03 | 2017-05-03 | A kind of box type transformer intelligent measuring and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720482987.4U CN207133618U (en) | 2017-05-03 | 2017-05-03 | A kind of box type transformer intelligent measuring and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133618U true CN207133618U (en) | 2018-03-23 |
Family
ID=61630846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720482987.4U Expired - Fee Related CN207133618U (en) | 2017-05-03 | 2017-05-03 | A kind of box type transformer intelligent measuring and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207133618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950891A (en) * | 2017-05-03 | 2017-07-14 | 浙江蒙越电力科技有限公司 | A kind of box type transformer intelligent measuring and control device and its control system |
| CN109445323A (en) * | 2018-10-11 | 2019-03-08 | 上海求本信息技术有限公司 | A kind of distributed intelligence TT&C software platform designing method based on WEB |
-
2017
- 2017-05-03 CN CN201720482987.4U patent/CN207133618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950891A (en) * | 2017-05-03 | 2017-07-14 | 浙江蒙越电力科技有限公司 | A kind of box type transformer intelligent measuring and control device and its control system |
| CN109445323A (en) * | 2018-10-11 | 2019-03-08 | 上海求本信息技术有限公司 | A kind of distributed intelligence TT&C software platform designing method based on WEB |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104716743B (en) | The integrated implementation method of one kind protection telemetry communication and AGC substations and device | |
| CN205160090U (en) | Incessant little electric wire netting grid -connected interface integrated device of stable state has | |
| CN203166626U (en) | Intelligent traction substation | |
| CN103744417A (en) | Multifunctional integrated measurement and control apparatus and system for intelligent transformer station | |
| CN102937685A (en) | Real-time simulation technique-based integrated testing platform for substation | |
| CN101127456A (en) | Intelligent management system for transformer substation assisted devices | |
| CN204633466U (en) | A kind of protection telemetry communication integrated apparatus | |
| CN102437650A (en) | Intelligent electric power distribution system | |
| CN201846138U (en) | Breaker intelligent assembly based on unified section data acquisition | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN207884176U (en) | A kind of pre-casing type transforming station | |
| CN101895152B (en) | Intelligent interface device of digital transformer substation switch | |
| CN204089167U (en) | A kind of box type transformer protection supervisory equipment | |
| CN204497853U (en) | A kind of photovoltaic case becomes protection telemetry communication integrated apparatus | |
| CN207133618U (en) | A kind of box type transformer intelligent measuring and control device | |
| CN202475013U (en) | Intelligent power distribution device | |
| CN204649927U (en) | A kind of primary cut-out state monitoring device | |
| CN106950891A (en) | A kind of box type transformer intelligent measuring and control device and its control system | |
| CN204761157U (en) | A synthesize measurement and control device for distributed generator | |
| CN104142648A (en) | Management and control terminal of urban rail traffic low-voltage power distribution system | |
| CN205039622U (en) | Remote intelligent protection metrological control device | |
| CN207115124U (en) | A kind of wind-power box becomes measure and control device | |
| CN201682274U (en) | Intelligent explosion-proof switch integrated protector | |
| CN206259751U (en) | A kind of intelligent lightning protecting power distribution equipment | |
| CN205901165U (en) | Quick response's real -time looped netowrk cabinet protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20200503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |