CN209215893U - A kind of ring network cabinet DTU - Google Patents
A kind of ring network cabinet DTU Download PDFInfo
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- CN209215893U CN209215893U CN201821672007.8U CN201821672007U CN209215893U CN 209215893 U CN209215893 U CN 209215893U CN 201821672007 U CN201821672007 U CN 201821672007U CN 209215893 U CN209215893 U CN 209215893U
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Abstract
This application discloses a kind of ring network cabinet DTU, comprising: input data and/or output data for the DTU to target ring network cabinet are handled, and obtain the CPU of processing data；It is connected by communication with CPU, for showing input data and/or output data and handling the display screen of data；It is connected by communication with CPU, the first controller for being manipulated according to processing data to each electrical equipment in target ring network cabinet.Obviously, DTU in the application, can not only make staff by the display screen on DTU view DTU input data and/or output data and processing data, and, it is also possible that staff carries out corresponding operation and control to each electrical equipment in target ring network cabinet by the first controller in DTU, to exclude the failure occurred in DTU in time, to ensure that the safe and stable operation of DTU, user experience of staff when using DTU is substantially increased.
Description
Technical field
The utility model relates to technical field of power communication, in particular to a kind of ring network cabinet DTU.
Background technique
Distribution automation system be it is a kind of using computer technology, automatic control technology, electronic technology and communication skill
The system that art carries out intelligent monitoring to power distribution network, with the rapid development of distribution automation system, DTU (Data Transfer
Unit, data transmission unit) it is widely used.In distribution automation system, the main function of DTU is in ring network cabinet
Operation data transmitted, in the prior art, when using operation data in DTU transmission looped network cabinet, staff
The operation data in ring network cabinet cannot be checked by DTU, each electrical equipment in ring network cabinet can not be adjusted by DTU
Control, it is clear that such DTU is unfavorable for maintenance and the troubleshooting of ring network cabinet, greatly reduces staff and is using DTU
When user experience.It can be seen that carrying out staff to ring network cabinet in time
Maintenance and troubleshooting are that those skilled in the art are urgently to be resolved to improve user experience of staff when using DTU
Problem.
Utility model content
In view of this, staff can be made right in time the purpose of this utility model is to provide a kind of ring network cabinet DTU
Ring network cabinet carries out maintenance and troubleshooting, and improves user experience of staff when using DTU.Its concrete scheme is such as
Under:
A kind of ring network cabinet DTU, comprising:
Input data and/or output data for the DTU to target ring network cabinet are handled, and obtain processing data
CPU；
It is connected by communication with the CPU, for showing the input data and/or output data and the processing data
Display screen；
Be connected by communication with the CPU, for according to the processing data to each electrical equipment in the target ring network cabinet into
First controller of row manipulation.
Preferably, the CPU is specially ZYNQ chip.
Preferably, the display screen includes:
For showing input instruction and/or the human-computer interaction interface of output order of the target ring network cabinet.
Preferably, the display screen is specially the integrated touch screen for being embedded with Cortex-A8 CPU.
Preferably, the display screen includes:
For storing the objective chip of MCGS Embedded Configuration Software；
For running the processor of the MCGS Embedded Configuration Software.
Preferably, first controller is built-in with WiFi transceiver.
Preferably, further includes:
It is connected by communication with the CPU, for storing the input data and/or output data and the processing data
Memory.
Preferably, further includes:
It is connected by communication with the CPU, for acquiring the operation data of the target ring network cabinet, and according to the operation data
The second controller that the target ring network cabinet is regulated and controled.
Preferably, the second controller includes:
For acquiring the electricity of the target ring network cabinet and/or the telemetering equipment of non electrical quantity；
For acquiring the telecommunication equipment of the state variable of each electrical equipment in the target ring network cabinet；
For electrically being set according to the electricity and/or non electrical quantity and the state variable to each in the target ring network cabinet
For the remote control device regulated and controled.
Preferably, the second controller includes:
Serial ports for carrying out data conversion to the electricity and/or non electrical quantity and the state variable turns GPRS and sets
It is standby.
As it can be seen that in the present invention, firstly, being that setting can be to the input data of the DTU of target ring network cabinet in DTU
And/or output data is handled, and the CPU of processing data is obtained, then, setting establishes communication connection with CPU in DTU, uses
In display DTU input data and/or output data and handle data display screen, also, also in DTU be provided with
CPU establishes communication connection, the first controller for being manipulated according to processing data to each electrical equipment in target ring network cabinet.
Thus one, DTU provided by the utility model can not only make staff pass through the display screen real time inspection on DTU
To the input data and/or output data and processing data of DTU, moreover, it is also possible to which staff is made to pass through the in DTU
One controller carries out corresponding operation and control to each electrical equipment in target ring network cabinet according to processing data, in time will
The failure occurred in DTU is excluded, to guarantee the safe and stable operation of DTU.It thus avoids in the prior art, works
Personnel can not check the operation data of target ring network cabinet by DTU, can not electrically be set by DTU to each in target ring network cabinet
The problem of for being regulated and controled, and maintenance and troubleshooting cannot be carried out to ring network cabinet in time.Obviously, it is mentioned in the utility model
The DTU of confession can greatly improve user experience of staff when using DTU.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of ring network cabinet DTU provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of display screen in a kind of DTU provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of another ring network cabinet DTU provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the prior art, the DTU in ring network cabinet is usually to be used to acquire and the operation data in transmission looped network cabinet, work
Operation data in ring network cabinet cannot be viewed by DTU by making personnel, can not electrically be set by DTU to each in ring network cabinet
It is standby to be manipulated, it is unfavorable for maintenance and the troubleshooting of ring network cabinet, greatly reduces use of staff when using DTU
Family experience.And the purpose of the use of the new type is to provide a kind of new ring network cabinet DTU, it can not only by the DTU in the utility model
It is enough so that operation data of staff's real time inspection into ring network cabinet, moreover, also can be to electrical equipment each in ring network cabinet
It is manipulated, is in time excluded the failure in ring network cabinet, substantially increase user's body of staff when using DTU
It tests.In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawings and detailed description to this reality
It is elaborated with novel.
As shown in Figure 1, present embodiment discloses a kind of ring network cabinet DTU, ring network cabinet DTU includes:
Input data and/or output data for the DTU to target ring network cabinet are handled, and obtain processing data
CPU11；
It is connected by communication with CPU11, for showing input data and/or output data and handling the display screen 12 of data；
It is connected by communication with CPU11, for being manipulated according to processing data to each electrical equipment in target ring network cabinet
One controller 13.
It in the present embodiment, is that one is arranged in the DTU of target ring network cabinet for the DTU to target ring network cabinet first
Input data and/or output data are handled, and obtain processing data CPU11 (Central Processing Unit,
Central processing unit).It is also contemplated that integrated circuit CPU11 ultra-large as one piece, it would generally in the integrated circuit
It is embedded with arithmetic logical unit (Arithmetic Logic Unit, ALU), register and controller etc..Specific to this
In embodiment, the workflow inside CPU is substantially are as follows: CPU11 is from the input data extracted in DTU in register first
And/or output data, and input data and/or output data are parsed and handled using arithmetic logical unit, it obtains
It is corresponding microoperation to processing data, and by handle data transitions, then, control controller issues corresponding with microoperation
Control command, so that CPU completes the treatment process to input data and/or output data.
Then, in DTU setting with CPU11 establish communication connection, for show input data and/or output data and
Handle the display screen 12 of data.It is also contemplated that by the way that display screen 12 is arranged in DTU, staff can pass through DTU
On 12 real time inspection of display screen in target ring network cabinet input data, output data and processing data.
When abnormal either failure occurs in target ring network cabinet, staff can be looked into real time by display screen 12
The input data and/or output data and processing data for seeing target ring network cabinet, and according to the target ring network cabinet viewed
There is the reason of abnormal either failure in input data and/or output data and processing data search target ring network cabinet, then
The specific location that target ring network cabinet exception occurs or breaks down is oriented, it thus just can be in time by the failure in ring network cabinet
It is excluded.Obviously, DTU provided by the present embodiment can greatly improve maintenance efficiency of the staff when repairing DTU.
In addition, in the present embodiment, being provided with also in DTU and establishing communication connection with CPU11, for according to processing data
The first controller 13 that each electrical equipment in target ring network cabinet is manipulated.So, when target ring network cabinet occur it is abnormal or
It is when breaking down, staff can electrically set each in target ring network cabinet by the first controller 13 on DTU
It is standby to be adjusted correspondingly and control, thus avoid target ring network cabinet from safety accident occur.
Specifically, staff passes through shown on display screen 12 when abnormal either failure occurs in target ring network cabinet
DTU input data and/or output data and processing data, analyze target ring network cabinet and be abnormal either failure
Reason, and according to target ring network cabinet be abnormal either failure the reason of, to each electrical equipment in target ring network cabinet into
The corresponding adjustment of row and control, that is, in target ring network cabinet breaker and/or on-load switch and/or disconnecting switch and/or
Earthing is adjusted correspondingly, and safety accident occurs to avoid target ring network cabinet, and thus avoids sending out due to target ring network cabinet
Raw safety accident is to economic loss brought by people.
As it can be seen that in the present embodiment, firstly, being that setting can be to the input data of the DTU of target ring network cabinet in DTU
And/or output data is handled, and the CPU of processing data is obtained, then, setting establishes communication connection with CPU in DTU, uses
In display DTU input data and/or output data and handle data display screen, also, also in DTU be provided with
CPU establishes communication connection, the first controller for being manipulated according to processing data to each electrical equipment in target ring network cabinet.
It can be seen that DTU provided by the present embodiment, can not only make staff arrive by the display screen real time inspection on DTU
The input data and/or output data and processing data of DTU, moreover, it is also possible to which staff is made to pass through first in DTU
Controller carries out corresponding operation and control to each electrical equipment in target ring network cabinet according to processing data, in time by DTU
The failure of middle appearance is excluded, to guarantee the safe and stable operation of DTU.It thus avoids in the prior art, work people
Member can not check the operation data of target ring network cabinet by DTU, can not be by DTU to each electrical equipment in target ring network cabinet
The problem of being regulated and controled, and maintenance and troubleshooting cannot being carried out to ring network cabinet in time.Obviously, provided in the present embodiment
DTU can greatly improve user experience of staff when using DTU.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, and CPU11 is specially
ZYNQ chip.
It is understood that ZYNQ chip is a processing subsystem and Xilinx based on double-core ARMCortex-A9
28nm programmable logic chip is provided with on-chip memory, external memory interface and a large amount of peripheral hardware on ZYNQ chip and connects
Connection interface.
Obviously, in the present embodiment, CPU11 is integrated in ZYNQ chip, CPU11 can not only be reduced in this way and existed
Occupied space enables in DTU moreover, because ZYNQ chip has the function of powerful logical process in DTU
CPU11 has faster data processing speed.Further, it is also possible to which the programmed logic using ZYNQ chip interior is realized to target ring
Thus the intelligent manipulation of net cabinet avoids the maloperation of staff and the safety accident that causes, substantially increases staff
User experience when using DTU.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, specifically, display screen
12 include:
For the input instruction of displaying target ring network cabinet and/or the human-computer interaction interface of output order.
Regulate and control to further facilitate user to each electrical equipment in target ring network cabinet, in the present embodiment,
It is also provided on the display 12 for the input instruction of displaying target ring network cabinet and/or the human-computer interaction interface of output order.
It is also contemplated that human-computer interaction interface as staff and target ring network cabinet carry out information exchange medium and
Dialog interface, staff can be directly by the human-computer interaction interface on display screen 12 to various electrical in target ring network cabinet
Equipment is regulated and controled, it is possible thereby to significantly improve the working efficiency of staff.It should be noted that human-computer interaction circle herein
Face can be keyboard, be also possible to touch screen, can also be the human-computer interaction interface of other forms, does not limit specifically herein
It is fixed.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, specifically, display screen
12 be specially the integrated touch screen for being embedded with Cortex-A8 CPU11.
It is understood that Cortex-A8 CPU11 is a kind of processor suitable for complex operations system, the processor
Fast, the power low power consumption and other advantages with data processing speed.The integration of Cortex-A8 CPU11 is embedded in display screen 12
Touch screen can not only make user possess the user experience of desktop computer when using display screen 12, moreover, display screen 12 is set
Setting as one touch screen can also reduce production cost when production display screen 12, improve the production effect of production display screen 12
Rate.
In addition, setting display screen 12 to be embedded with the integrated touch screen of Cortex-A8 CPU11, can not only make
The quality of display screen 12 is lighter, furthermore, it is also possible to make the volume of display screen 12 more frivolous, it is possible thereby to further increase use
The user experience of family in use.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, as shown in Fig. 2, tool
Body, display screen 12 includes:
For storing the objective chip 14 of MCGS Embedded Configuration Software；
For running the processor 15 of MCGS Embedded Configuration Software.
It should be noted that MCGS Embedded Configuration Software (Monitor and Control Generated System,
Universal embedded monitoring system) it is a kind of configuration software for Fast Construction and generation monitoring system.In the present embodiment, it is
It is embedded with the objective chip 14 of storage MCGS Embedded Configuration Software in display screen 12 and insertion can in display screen 12
Run the processor 15 of MCGS Embedded Configuration Software.So, staff can utilize MCGS Embedded Configuration Software will
Data in display screen 12 are shown in the form of image, report, curve etc., so that the data in display screen 12 are more straight
It sees and clear, so, staff can be right according to the image and/or report and/or curve shown on display screen 12
Each electrical equipment in target ring network cabinet is preferably regulated and controled.
It is illustrated here by a specific example.Each biography after CPU powers on, in target ring network cabinet
Temperature, humidity, analog quantity and the quantity of state of the target ring network cabinet monitored can be uploaded to CPU by sensor, when CPU is received
When the temperature of target ring network cabinet, humidity, analog quantity and quantity of state, so that it may be solved to the current operating conditions of target ring network cabinet
Analysis and processing to determine the current operating conditions of target ring network cabinet, and are controlled according to the current operating conditions of target ring network cabinet
CPU exports the control instruction regulated and controled to each electrical equipment in target ring network cabinet, to avoid the failure of target ring network cabinet.
It should be noted that the analog quantity of target ring network cabinet refers to that the friendship of each electrical equipment in target ring network cabinet is straight herein
Flow field simulation amount, that is, the three-phase voltage of each electrical equipment in target ring network cabinet, three-phase current, residual voltage, zero-sequence current,
Active power, reactive power, apparent energy, power factor (PF), frequency and DC voltage etc..
In addition, in this example it is shown that screen 12 in the current operating conditions of displaying target ring network cabinet, can also basis
The difference of data type and specific requirements in practical applications, are opened in MCGS Embedded Configuration Software in target ring network cabinet
Send out the on-off state display interface, temperature and humidity display interface, electric parameter display interface, switch operation circle of target ring network cabinet
Face, fault alarm display interface, the inquiry of historical data display interface, come with this so that data in display screen 12 more intuitively with
Clearly.Certainly, according to the needs of actual conditions the data in display screen 12 can also be carried out to reclassify division herein, with
Adapt to the specific requirements of different application scene.
In addition, it should be noted that the electrical equipment being arranged in target ring network cabinet can not in practical application
Together, such as: the type of ring network cabinet has I, Q, B, O, IC, B/CB and MT etc., thus logic function corresponding to target ring network cabinet
It can would also vary from.So in MCGS Embedded Configuration Software development goal ring network cabinet on-off state display interface
When with switch operation interface, the on-off state display interface and switch suitable for all functional unit ring network cabinets can be designed that
Operation interface, then, display screen 12 is when showing the ring network cabinet of a certain functional unit, so that it may according to the tool of target ring network cabinet
Body situation calls on-off state display interface corresponding with target ring network cabinet and switch operation interface, is come with this further
Improve user experience of staff during using DTU.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, specifically, the first control
Device 13 processed is built-in with WiFi transceiver.
It is understood that WiFi (Wireless Fidelity, wireless network) transceiver have data transmission stablize, can
Lean on, wide coverage, without wiring, transmission speed is fast the advantages that, be a kind of currently used most commonly used wireless network transmissions
Equipment.So being the built-in WiFi transceiver in the first remote controler in the present embodiment, come with this so that staff utilizes
First controller 13 carries out contactless operation and control to each electrical equipment in target ring network cabinet.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, specifically, such as Fig. 3
It is shown, ring network cabinet DTU further include:
It is connected by communication with CPU11, for storing input data and/or output data and handling the memory 16 of data.
In the present embodiment, it is provided with also in DTU for storing input data and/or output data and processing data
Memory 16.If the DTU of target ring network cabinet breaks down, either exception, staff can be deposited by memory 16
The input data and/or output data and processing data of storage break down to DTU or abnormal reason is analyzed, from
And staff is rapidly overhauled to DTU, and in time exclude the failure in DTU, and then guarantee DTU
Safe and stable operation.
It should be noted that in practical application memory 16 can be set to RAM (Random Access
Memory, random access memory), memory 16 can also be set to ROM (Read Only Memory, read-only storage
Device), memory 16 can also be set to Flash Memory (flash memory), not made specifically herein for the type of memory 16
It limits.
Based on the above embodiment, the present embodiment is further described and optimizes to above-described embodiment, as shown in figure 3, should
Ring network cabinet DTU further include:
It is connected by communication with CPU11, for acquiring the operation data of target ring network cabinet, and according to operation data to target looped network
The second controller 17 that cabinet is regulated and controled.
In the present embodiment, it is provided with also in DTU and is connected with CPU11, for acquiring the operation data of target ring network cabinet,
And the second controller 17 that target ring network cabinet is regulated and controled according to operation data, so, staff can be remote
End is adjusted and controls to each electrical equipment in target ring network cabinet.Obviously, such mode of operation can make work people
Member is monitored in real time in operating status of the distal end to target ring network cabinet, to greatly improve the working efficiency of staff.
Specifically, second controller 17 includes:
For acquiring the electricity of target ring network cabinet and/or the telemetering equipment 18 of non electrical quantity；
For acquiring the telecommunication equipment 19 of the state variable of each electrical equipment in target ring network cabinet；
For what is regulated and controled according to electricity and/or non electrical quantity and state variable to each electrical equipment in target ring network cabinet
Remote control device 20.
It is also contemplated that in practical application, the target ring network cabinet of power supply area generally apart from the distance of host farther out,
So in the present embodiment, in order to enable staff can regulate and control target ring network cabinet using host in distal end, it is benefit
The electricity and/or non electrical quantity in target ring network cabinet are acquired with telemetering equipment 18.Specifically, electricity herein refers to target looped network
Electrical quantity in cabinet, the measured values such as voltage, electric current including target ring network cabinet；Non electrical quantity herein refers in target ring network cabinet
Non-electric quantity, gas concentration including gas to be measured in temperature, humidity and the target ring network cabinet in target ring network cabinet etc. are surveyed
Magnitude.
It is understood that in practical applications, generally can be provided with breaker in target ring network cabinet and/or load is held
Pass and/or disconnecting switch and/or earthing, and these electrical equipments only switch on and off two kinds when in operating status
State, so, in this case, the state of each electrical equipment in target ring network cabinet can also be acquired using telecommunication equipment 19
Variable.
In the present embodiment, it when collecting the electricity and/or non electrical quantity of target ring network cabinet using telemetering equipment 18, and utilizes
Remote control device 20 when telecommunication equipment 19 collects the state variable of each electrical equipment in target ring network cabinet, in second controller 17
Each electrical equipment in target ring network cabinet can be carried out according to telemetering equipment 18 and the collected data of telecommunication equipment 19
Regulation, that is, electricity and/or non electrical quantity and state variable of the remote control device 20 according to target ring network cabinet, to target ring network cabinet
In each electrical equipment send corresponding operation instruction so that target ring network cabinet is in safe operation state.Obviously, pass through
Telemetering equipment 18, telecommunication equipment 19 and sensoring 20 are configured in second controller 17, so that it may so that staff is remote
End is monitored and manages to target ring network cabinet, thus further improves the working efficiency of staff.
Specifically, second controller 17 includes:
Serial ports for carrying out data conversion to electricity and/or non electrical quantity and state variable turns GPRS device.
It is understood that each electrical equipment in the electricity and/or non electrical quantity and target ring network cabinet of target ring network cabinet
The data format of state variable be all different, in order to enable data interaction can be carried out between the data of different-format, at this
In embodiment, be turned using the serial ports in second controller 17 GPRS device by the electricity of target ring network cabinet and/or non electrical quantity with
And the state variable of each electrical equipment is converted into the serial data of uniform format in target ring network cabinet.
As soon as thus, second controller 17 can by GPRS wireless communication networks by the serial data of uniform format more
It is transmitted to remote host fastly.Obviously, by being arranged in second controller 17 for electricity and/or non electrical quantity and state
The serial ports that variable carries out data conversion turns GPRS device, can significantly improve the data transmission efficiency in second controller 17.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of ring network cabinet DTU characterized by comprising
Input data and/or output data for the DTU to target ring network cabinet are handled, and obtain the CPU of processing data；
It is connected by communication with the CPU, for showing the display of the input data and/or output data and the processing data
Screen；
It is connected by communication with the CPU, for being grasped according to the processing data to each electrical equipment in the target ring network cabinet
First controller of control.
2. ring network cabinet DTU according to claim 1, which is characterized in that the CPU is specially ZYNQ chip.
3. ring network cabinet DTU according to claim 1, which is characterized in that the display screen includes:
For showing input instruction and/or the human-computer interaction interface of output order of the target ring network cabinet.
4. ring network cabinet DTU according to claim 1, which is characterized in that the display screen is specially to be embedded with Cortex-
The integrated touch screen of A8CPU.
5. ring network cabinet DTU according to claim 1, which is characterized in that the display screen includes:
For storing the objective chip of MCGS Embedded Configuration Software；
For running the processor of the MCGS Embedded Configuration Software.
6. ring network cabinet DTU according to claim 1, which is characterized in that first controller is built-in with WiFi transceiver.
7. ring network cabinet DTU according to claim 1, which is characterized in that further include:
It is connected by communication with the CPU, for storing the storage of the input data and/or output data and the processing data
Device.
8. ring network cabinet DTU according to any one of claims 1 to 7, which is characterized in that further include:
It is connected by communication with the CPU, for acquiring the operation data of the target ring network cabinet, and according to the operation data to institute
State the second controller that target ring network cabinet is regulated and controled.
9. ring network cabinet DTU according to claim 8, which is characterized in that the second controller includes:
For acquiring the electricity of the target ring network cabinet and/or the telemetering equipment of non electrical quantity；
For acquiring the telecommunication equipment of the state variable of each electrical equipment in the target ring network cabinet；
For according to the electricity and/or non electrical quantity and the state variable to each electrical equipment in the target ring network cabinet into
The remote control device of row regulation.
10. ring network cabinet DTU according to claim 9, which is characterized in that the second controller includes:
Serial ports for carrying out data conversion to the electricity and/or non electrical quantity and the state variable turns GPRS device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672007.8U CN209215893U (en) | 2018-10-15 | 2018-10-15 | A kind of ring network cabinet DTU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672007.8U CN209215893U (en) | 2018-10-15 | 2018-10-15 | A kind of ring network cabinet DTU |
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| Publication Number | Publication Date |
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| CN209215893U true CN209215893U (en) | 2019-08-06 |
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ID=67456005
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| CN201821672007.8U Active CN209215893U (en) | 2018-10-15 | 2018-10-15 | A kind of ring network cabinet DTU |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
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2018
- 2018-10-15 CN CN201821672007.8U patent/CN209215893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
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