CN207263842U - A kind of electric energy quality on-line monitoring device - Google Patents
A kind of electric energy quality on-line monitoring device Download PDFInfo
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- CN207263842U CN207263842U CN201720994623.4U CN201720994623U CN207263842U CN 207263842 U CN207263842 U CN 207263842U CN 201720994623 U CN201720994623 U CN 201720994623U CN 207263842 U CN207263842 U CN 207263842U
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- control panel
- electric energy
- monitoring device
- line monitoring
- energy quality
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Abstract
The utility model discloses a kind of electric energy quality on-line monitoring device, its structure includes front-end case, numerical value display screen, indicator light, function control key, fixed screw, casing, buffer protection pad, outer end protecting frame, microprocessor, fixed card buckle, power connector end, communication interface, digital-to-analog signal converter, network communication end, digital signal processor, programmable gate array end, single storage dish, control panel, the rear end of front-end case in the front end of casing and is integrated by fixed screw screw connection, the beneficial effects of the utility model：By adding microprocessor, digital-to-analog signal converter, network communication end, digital signal processor, programmable gate array end and single storage dish in equipment, this equipment is set to have outside the monitoring of conventional stable-state index of power quality, also to the transient disturbance of power quality, mainly the rising sharply of voltage, rapid drawdown is monitored and is recorded, there is stronger practicality.
Description
Technical field
The utility model is a kind of electric energy quality on-line monitoring device, belongs to electric detection field.
Background technology
Online equipment for monitoring power quality is the upgrading products that on-Line Monitor Device is GDDN-500B, configures 3 road voltages, 3
Road electric current, highest can support 3 × 8 road voltages, 3 × 8 road electric currents.
Prior art discloses Application No.：200920130141.X a kind of electric energy quality on-line monitoring device, belong to
Electric detection field.Include two MCU, a GPRS data transport module, described two MCU, that is, ARM and DSP, for measuring
Power quality parameter;The GRPS data transmission modules will measure power quality parameter and pass through INTERNET to remote date transmission
Device, analyzes and processes parameter by remote data server;The electric energy quality measurement device is wirelessly transferred with GPRS
Function, can learn the real time data of each monitoring point whenever and wherever possible, and can be accomplished by remote control technology at any time to any one
A monitoring point, which is modified, sets and does special detection;Anywhere electric energy quality detection device institute can be checked any time
The data of record simultaneously carry out careful in depth analyzing on host computer.In the prior art, electric energy quality on-line monitoring device is being examined
The detection of stable-state index of power quality can only generally be carried out by surveying, it is impossible to carry out the transient disturbance to power quality, it is impossible to carry out electricity
The rising sharply of pressure, the record of rapid drawdown, it is more inconvenient.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of electric energy quality on-line monitoring device,
To solve in the prior art, electric energy quality on-line monitoring device can only generally carry out the inspection of stable-state index of power quality in detection
Survey, it is impossible to carry out the transient disturbance to power quality, it is impossible to carry out the rising sharply of voltage, the record of rapid drawdown, it is more inconvenient the problem of.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of power quality exists
Line monitoring device, its structure include front-end case, numerical value display screen, indicator light, function control key, fixed screw, casing,
Buffer protection pad, outer end protecting frame, microprocessor, fixed card buckle, power connector end, communication interface, digital analogue signal conversion
Device, network communication end, digital signal processor, programmable gate array end, single storage dish, control panel, the front-end case
Rear end in the front end of casing and is integrated by fixed screw screw connection, the rear end dress of the function control key
On the downside of the front end of front-end case, outer end protecting frame, the buffer protection pad are welded with left and right sides of the front-end case
Equipped with four and splicing is internally provided with control panel, the fixation in the upper and lower ends of outer end protecting frame, the casing
Buckle is equipped with four and is installed on four ends of control panel, and the lower end of the microprocessor is equipped with the upper end of communication interface, described
The inside battery plate of power connector end is electrically connected with the internal circuit board of control panel and is installed on the left side of control panel, the control
The lower end of panel processed is equipped with network communication end, and the left side of the digital signal processor is matched somebody with somebody with the right side gap at network communication end
Close, the digital-to-analog signal converter and the circuit board electrical connection inside control panel.
Further, single storage dish is installed in the right side upper end of control panel.
Further, it is equiped with numerical value display screen on the upside of the front end of the front-end case.
Further, welding microprocessor on the upside of the front end of the control panel.
Further, the programmable gate array end is equipped with two and is installed on the middle part of control panel front end.
Further, the lower end of the numerical value display screen is equipped with indicator light.
Further, the microprocessor uses position high-performance with digital signal processor, has powerful data processing
Ability and logic, control ability.
Further, each passage of the digital-to-analog signal converter exclusively enjoys one 16 parallel-by-bit A/D, Suo Youtong
The fully synchronized sampling in road, precision higher, speed faster, and any A/D all the way damage do not affecting other channel datas just
Often collection.
By adding microprocessor, digital-to-analog signal converter, network communication end, Digital Signal Processing in equipment
Device, programmable gate array end and single storage dish, make this equipment have outside the monitoring of conventional stable-state index of power quality, also to electricity
Can quality transient disturbance, mainly the rising sharply of voltage, rapid drawdown is monitored and is recorded, there is stronger practicality.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of electric energy quality on-line monitoring device of the utility model.
Fig. 2 is a kind of structure diagram at the back of electric energy quality on-line monitoring device of the utility model.
Fig. 3 is the wiring schematic diagram of the external terminal connection diagram of the utility model.
Fig. 4 is the wiring schematic diagram for the current loop that the utility model corresponds to three groups of CT.
Fig. 5 is the wiring schematic diagram for the current loop that the utility model corresponds to two groups of CT.
Fig. 6 is the wiring schematic diagram of voltage circuit under the utility model three-phase PT-Y type modes of connection.
Fig. 7 is the wiring schematic diagram of voltage circuit under the utility model three-phase PT-D star modes of connection.
In figure：Front-end case -1, numerical value display screen -2, indicator light -3, function control key -4, fixed screw -5, outside cabinet
Shell -6, buffer protection pad -7, outer end protecting frame -8, microprocessor -9, fixed card buckle -10, power connector end -11, communication interface -
12nd, digital-to-analog signal converter -13, network communication end -14, digital signal processor -15, programmable gate array end -16, list
Storage dish -17, control panel -18.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Please refer to Fig.1 to Fig. 7, the utility model and a kind of electric energy quality on-line monitoring device technical solution is provided：Its structure
Including front-end case 1, numerical value display screen 2, indicator light 3, function control key 4, fixed screw 5, casing 6, buffer protection pad
7th, outer end protecting frame 8, microprocessor 9, fixed card buckle 10, power connector end 11, communication interface 12, digital-to-analog signal converter
13rd, network communication end 14, digital signal processor 15, programmable gate array end 16, single storage dish 17, control panel 18, it is described
The rear end of front-end case 1 in the front end of casing 6 and is integrated by 5 screw connection of fixed screw, the function
The rear end of control key 4 is installed on the downside of the front end of front-end case 1, and the left and right sides of the front-end case 1 is welded with outer end protection
Frame 8, the buffer protection pad 7 are equipped with four and are glued in the upper and lower ends of outer end protecting frame 8, the inside of the casing 6
Equipped with control panel 18, the fixed card buckle 10 is equipped with four and is installed on four ends of control panel 18, the microprocessor 9
Lower end is equipped with the upper end of communication interface 12, the inside battery plate of the power connector end 11 and the internal circuit board electricity of control panel 18
Connect and be installed on the left side of control panel 18, the lower end of the control panel 18 is equipped with network communication end 14, the numeral letter
The left side of number processor 15 and the right side clearance fit at network communication end 14, the digital-to-analog signal converter 13 and chain of command
Circuit board electrical connection inside plate 18, the list storage dish 17 are installed in the right side upper end of control panel 18, the front-end case 1
Front end on the upside of be equiped with numerical value display screen 2, welding microprocessor 9 on the upside of the front end of the control panel 18 is described programmable
Gate array end 16 is equipped with two and is installed on the middle part of 18 front end of control panel, and the lower end of the numerical value display screen 2 is equipped with instruction
Lamp 3, the microprocessor 9 use 32 high-performance with digital signal processor 15, have powerful data-handling capacity and patrol
Collect, control ability, each passage of the digital-to-analog signal converter 13 exclusively enjoys a 16 parallel-by-bit A/D, all passages
Fully synchronized sampling, precision higher, speed faster, and any A/D all the way damage do not affect the normal of other channel datas
Collection.
It is digital signal that digital-to-analog signal converter 13 described in this patent, which typically refers to one by analog-signal transitions,
Electronic component, common analog-digital converter be by an input voltage signal be converted to one output digital signal, due to
Digital signal does not have practical significance in itself, is merely representative of a relative size, therefore any one analog-digital converter is required for one
It is a that with reference to standard of the analog quantity as conversion, relatively common normative reference is maximum convertible signal magnitude, and export
Digital quantity then represents size of the input signal relative to reference signal.
Used, staff should first confirm equipment whether damage and can normal use, then after confirming no problem,
Can be with this equipment of normal use, in use, to ensure the safe operation and personal safety of device, casing 6 must be with change
Power station, the earth mat of power plant are reliably connected while to ensure device reliability service under strong electromagnetic interference environment, it is contemplated that it is many every
From, filtering, safety measure, these measures will play a role, and device must have good ground connection, and power connector end 11 supports AC
Or the power input of DC, network communication end 14 connect and compose communication network by 100M Ethernets.
The utility model member forward end shell 1, numerical value display screen 2, indicator light 3, function control key 4, fixed screw 5, machine
Case shell 6, buffer protection pad 7, outer end protecting frame 8, microprocessor 9, fixed card buckle 10, power connector end 11, communication interface 12,
Digital-to-analog signal converter 13, network communication end 14, digital signal processor 15, programmable gate array end 16, single storage dish
17th, the component that control panel 18 are universal standard part or those skilled in the art know, its structure and principle are all this technology
Personnel can be learnt by technical manual or know that the utility model solves the problems, such as the prior art by normal experiment method
In, electric energy quality on-line monitoring device can only generally carry out the detection of stable-state index of power quality in detection, it is impossible to carry out to electricity
Can quality transient disturbance, it is impossible to carry out the rising sharply of voltage, the record of rapid drawdown, more inconvenient, the utility model passes through above-mentioned portion
Part is combined with each other, by adding microprocessor, digital-to-analog signal converter, network communication end, numeral letter in equipment
Number processor, programmable gate array end and single storage dish, make this equipment have outside the monitoring of conventional stable-state index of power quality,
Also to the transient disturbance of power quality, mainly the rising sharply of voltage, rapid drawdown is monitored and is recorded, there is stronger practicality,
It is described in detail below：
Tied by 5 screw connection of fixed screw in the front end of casing 6 and being integrated the rear end of the front-end case 1
Structure, the rear end of the function control key 4 are installed on the downside of the front end of front-end case 1, the left and right sides welding of the front-end case 1
There is outer end protecting frame 8, the buffer protection pad 7 is equipped with four and is glued in outside the upper and lower ends of outer end protecting frame 8, the cabinet
Shell 6 is internally provided with control panel 18, and the fixed card buckle 10 is equipped with four and is installed on four ends of control panel 18, described micro-
The lower end of processor 9 is equipped with the upper end of communication interface 12, and the inside battery plate of the power connector end 11 is interior with control panel 18
Portion's circuit board electrical connection and the left side for being installed on control panel 18, the lower end of the control panel 18 are equipped with network communication end 14,
The left side of the digital signal processor 15 and the right side clearance fit at network communication end 14, the digital-to-analog signal converter
13 with control panel 18 inside circuit board electrical connection.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of electric energy quality on-line monitoring device, its structure includes front-end case（1）, numerical value display screen（2）, indicator light（3）、
Function control key（4）, fixed screw（5）, casing（6）, buffer protection pad（7）, outer end protecting frame（8）, microprocessor
（9）, fixed card buckle（10）, power connector end（11）, communication interface（12）, digital-to-analog signal converter（13）, network communication
End（14）, digital signal processor（15）, programmable gate array end（16）, single storage dish（17）, control panel（18）, its feature
It is：
The front-end case（1）Rear end pass through fixed screw（5）Screw connection is in casing（6）Front end and being integrated
Structure, the function control key（4）Rear end be installed in front-end case（1）Front end on the downside of, the front-end case（1）Left and right
Both sides are welded with outer end protecting frame（8）, the buffer protection pad（7）Equipped with four and it is glued in outer end protecting frame（8）Up and down
Both ends, the casing（6）Be internally provided with control panel（18）, the fixed card buckle（10）Equipped with four and it is installed on control
Panel processed（18）Four ends, the microprocessor（9）Lower end be equipped with communication interface（12）Upper end, the power connector end
（11）Inside battery plate and control panel（18）Internal circuit board be electrically connected and be installed on control panel（18）Left side, it is described
Control panel（18）Lower end be equipped with network communication end（14）, the digital signal processor（15）Left side and network communication end
（14）Right side clearance fit, the digital-to-analog signal converter（13）With control panel（18）Internal circuit board is electrically connected
Connect.
A kind of 2. electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The list storage dish（17）
It is installed in control panel（18）Right side upper end.
A kind of 3. electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The front-end case（1）
Front end on the upside of be equiped with numerical value display screen（2）.
A kind of 4. electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The control panel（18）
Front end on the upside of welding microprocessor（9）.
A kind of 5. electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The programmable gate array
End（16）Equipped with two and it is installed on control panel（18）The middle part of front end.
A kind of 6. electric energy quality on-line monitoring device according to claim 1, it is characterised in that：The numerical value display screen
（2）Lower end be equipped with indicator light（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994623.4U CN207263842U (en) | 2017-08-10 | 2017-08-10 | A kind of electric energy quality on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994623.4U CN207263842U (en) | 2017-08-10 | 2017-08-10 | A kind of electric energy quality on-line monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN207263842U true CN207263842U (en) | 2018-04-20 |
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ID=61924918
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720994623.4U Active CN207263842U (en) | 2017-08-10 | 2017-08-10 | A kind of electric energy quality on-line monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782033A (en) * | 2019-01-24 | 2019-05-21 | 日照阳光电力设计有限公司 | A kind of power quality real-time detection apparatus |
| CN112924793A (en) * | 2021-02-01 | 2021-06-08 | 苏州艾尼斯特电气科技有限公司 | Electric energy quality acquisition device and operation method |
-
2017
- 2017-08-10 CN CN201720994623.4U patent/CN207263842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782033A (en) * | 2019-01-24 | 2019-05-21 | 日照阳光电力设计有限公司 | A kind of power quality real-time detection apparatus |
| CN112924793A (en) * | 2021-02-01 | 2021-06-08 | 苏州艾尼斯特电气科技有限公司 | Electric energy quality acquisition device and operation method |
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