CN205786851U - It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet - Google Patents
It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet Download PDFInfo
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- CN205786851U CN205786851U CN201620535002.5U CN201620535002U CN205786851U CN 205786851 U CN205786851 U CN 205786851U CN 201620535002 U CN201620535002 U CN 201620535002U CN 205786851 U CN205786851 U CN 205786851U
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- China
- Prior art keywords
- operating frequency
- frequency phase
- switch cabinet
- unit
- high voltage
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Abstract
The utility model discloses the operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet, its filter amplification circuit is arranged on inside insulation crust；Operating frequency phase measuring unit, BNC connector are separately mounted to the both sides of insulation crust, and filter amplification circuit is electrically connected with operating frequency phase measuring unit, BNC connector respectively；BNC connector outfan is electrically connected with Data acquisition and issuance unit.The light that the neon tube of high-tension switch cabinet or ring main unit sends is acquired by this utility model by operating frequency phase measuring unit, flows to filter amplification circuit and carries out amplification and the filtering of signal, is transmitted further to Data acquisition and issuance unit and is analyzed drawing fault type.It is little, lightweight that this utility model has volume, it is easy to carries, and execute-in-place is simple and convenient, and safety is high, and capacity of resisting disturbance is strong, gathers the superior functions such as data are more accurate.
Description
Technical field
This utility model relates to operating frequency phase detection technique field, particularly to the power frequency being applicable to Intelligent high voltage switch cabinet
Phase-detection portable unit.
Background technology
High-tension switch cabinet and ring main unit are the important electrical equipments in distribution, and installation is very big, is widely used in power transformation
The place such as standing, its safe operation is directly connected to the q&r of electric energy.In high-tension switch cabinet and ring main unit modal
Fault type is insulation fault.Caused by the insulation defect caused during mostly insulation fault is to manufacture or in installation and operation.And in recent years
Application practice both domestic and external shows, is effectively arranging of trouble saving generation by the state of insulation of local discharging level assessment equipment
Execute.
But switch cubicle is the plurality of devices such as chopper, transformer to be integrated in one close space, therefore works as switch cubicle
When there is shelf depreciation, the fault type causing shelf depreciation is carried out judgement engineering staff can be instructed to send out the most accurately
Existing fault, thus according to fault type, the running status of equipment is carried out accurate evaluation, improve work efficiency and quality.And in event
In barrier type identification, an important foundation needs to obtain the phase information of power frequency high voltage exactly.Owing to high-tension switch cabinet height pushes back
Road is to be completely enclosed within metallic shield, and actual substation field is difficult to directly obtain switch cubicle working voltage phase place.Mesh
Front conventional method is that front panel of switch cabinet does a change, is then obtained through dividing potential drop blood pressure lowering by charged display device
Power frequency component.But, there is the technology such as execute-in-place is complicated, safety is low, cost is high, collection data are inaccurate and ask in this method
Topic.
Utility model content
The technical problems to be solved in the utility model be to provide simple to operate, safety is high, low cost, collection data are more accurate
The true operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet.
In order to solve above-mentioned technical problem, the technical solution of the utility model is:
It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet, including operating frequency phase measuring unit, filtering
Amplifying circuit, insulation crust, BNC connector, Data acquisition and issuance unit, described filter amplification circuit is arranged in insulation crust
Portion；Operating frequency phase measuring unit, BNC connector are separately mounted to the both sides of insulation crust, and described filter amplification circuit respectively with
Operating frequency phase measuring unit, BNC connector are electrically connected with；BNC connector outfan is electrically connected with Data acquisition and issuance unit.
Further, described operating frequency phase measuring unit includes shade, battery of lens, light sensor, described battery of lens
It is arranged on the front end of shade；Described light sensor is arranged on the rear end of shade；And battery of lens and light sensor away from
Equal from the focal length with battery of lens.
Further, described shade inner chamber is cylindrical cavity, and a diameter of 15mm～25mm of cylindrical cavity.
Further, described battery of lens includes that convex lens, concavees lens, described convex lens are connected with concavees lens.
Further, described light sensor is silicon cell.
Further, described filter amplification circuit includes amplifying circuit, low pass filter, shielding shell, described amplification electricity
Road, low pass filter are installed in shielding shell, and described amplifying circuit is electrically connected with low pass filter.
Further, the amplification frequency of described amplifying circuit is more than 60 times, and the low-frequency cut-off frequency of low pass filter is
50Hz～80Hz.
Further, described collection and analytic unit include high-speed collection card, host computer, and described high-speed collection card is with upper
Machine is electrically connected with.
This utility model is owing to employing operating frequency phase measuring unit, filter amplification circuit, insulation crust, BNC connector, number
According to technical characteristics such as collection and analytic units so that compared with prior art, this utility model volume is little, weight for this utility model
Amount is light, it is easy to carry, simple to operation.This utility model and all high-pressure section electrical isolation, use built-in lithium battery to supply
Electricity, without opening cabinet door during operation, is effectively improved and ensures operator's safety in utilization.This utility model device collection be
The optical signal of high voltage display device, capacity of resisting disturbance is strong, gathers data more accurate.
Accompanying drawing explanation
Fig. 1 is this utility model agent structure schematic diagram；
Fig. 2 is this utility model operating frequency phase measuring unit structure chart；
Fig. 3 is the circuit connection structure schematic diagram of this utility model filter amplification circuit and Data acquisition and issuance unit；
Fig. 4 is that this utility model uses schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that
The explanation of these embodiments is adapted to assist in and understands this utility model, but be not intended that restriction of the present utility model.This
Outward, as long as technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other
Just can be mutually combined.
As shown in Figure 1, it is adaptable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet, its filter amplification circuit
12 are arranged on insulation crust 13 inside, and operating frequency phase measuring unit 11, BNC connector 14 are separately mounted to the two of insulation crust 13
Side, filter amplification circuit 12 is electrically connected with operating frequency phase measuring unit 11, BNC connector 14 respectively.Power frequency is guaranteed when composition
Phase measurement cells 11, BNC connector 14 and the sealing of insulation crust 13 junction, to improve filter amplification circuit 12, power frequency phase
The working environment quality of position measuring unit 11, improves service life.The outfan of BNC connector 14 and Data acquisition and issuance unit
15 are electrically connected with, and the signal collected is passed to Data acquisition and issuance unit 15 and is analyzed.
Use technique scheme, by operating frequency phase measuring unit 11, the neon tube of high voltage display device is sent
Light is acquired, and flows to filter amplification circuit 12 and carries out amplification and the filtering of signal, is being transferred to Data acquisition and issuance list
Unit 15 is analyzed drawing diagnosis judged result.Compared with prior art, its volume is little, lightweight for this utility model, it is easy to
Carrying, execute-in-place is simple and convenient.With all high-pressure section electrical isolation time specifically used, built-in lithium battery is used to power, behaviour
Without opening cabinet door when making, it is effectively improved and ensures operator's safety in utilization.The signal gathered is HV live displaying
The optical signal of device, capacity of resisting disturbance is strong, gathers data more accurate.
More specifically, as shown in Figure 2, operating frequency phase measuring unit 11 includes shade 21, battery of lens 22, photosensitive biography
Sensor 23.Wherein the inner chamber of shade 21 is cylindrical cavity, and a diameter of 15mm～25mm of cylindrical cavity, is embodied as
Middle employing 20mm.Battery of lens 22 is combined by concavees lens and convex lens.Light sensor 23 uses spectral region width, frequency special
The silicon cell S9219 that property is good, transformation energy efficiency is high.Light sensor 23 is arranged on the bottom of the rear end of shade 21, lens
Group 22 is arranged on the front end of the cylindrical empty intracavity of shade 21, the distance of battery of lens 22 and light sensor 23 and battery of lens 22
Focal length is equal.
As shown in Figure 3, filter amplification circuit 12 includes amplifying circuit 31, low pass filter 32, shielding shell 33, data
Gather and analytic unit 15 includes high-speed collection card 34, host computer 35.Wherein the amplification frequency of amplifying circuit 12 is more than 60 times,
The low-frequency cut-off frequency of low pass filter 32 is 50Hz～80Hz.This utility model is embodied as middle amplifying circuit 12 and have employed 70
Amplification again, the frequency of low pass filter 32 uses 65Hz.Amplifying circuit 31 is electrically connected with low pass filter 32, and by low
The filtered signal of bandpass filter 32 passes to the high-speed collection card 34 of Data acquisition and issuance unit 15, high-speed collection card the last 34
Data feedback processes to host computer 35 and analyzes.
As shown in Figure 4, time specifically used, operating frequency phase measuring unit 11 is directed at the neon of high-tension switch cabinet or ring main unit
Pipe 42.What neon tube 42 sent light arrives light sensor 23 through shade 21, battery of lens 22, and optical signal is converted into the signal of telecommunication,
Gathered data by high-speed collection card 34 after the amplification filtering of amplifying circuit 12 the most after filtering, and transfer data to host computer 35
Complete the Treatment Analysis of waveform phase, determine fault type.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, in the case of without departing from this utility model principle and spirit, right
These embodiments carry out multiple change, revise, replace and modification, still fall within protection domain of the present utility model.
Claims (8)
1. it is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet, it is characterised in that include that operating frequency phase is measured
Unit, filter amplification circuit, insulation crust, BNC connector, Data acquisition and issuance unit, described filter amplification circuit is arranged on
Inside insulation crust；Operating frequency phase measuring unit, BNC connector are separately mounted to the both sides of insulation crust, and described filter and amplification
Circuit is electrically connected with operating frequency phase measuring unit, BNC connector respectively；BNC connector outfan and Data acquisition and issuance unit
It is electrically connected with.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 1, its feature exists
In, described operating frequency phase measuring unit includes that shade, battery of lens, light sensor, described battery of lens are arranged on shade
Front end；Described light sensor is arranged on the rear end of shade；And Jiao of the distance of battery of lens and light sensor and battery of lens
Away from equal.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 2, its feature exists
In, described shade inner chamber is cylindrical cavity, and a diameter of 15mm～25mm of cylindrical cavity.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 3, its feature exists
In, described battery of lens includes that convex lens, concavees lens, described convex lens are connected with concavees lens.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 4, its feature exists
In, described light sensor is silicon cell.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 1, its feature exists
In, described filter amplification circuit includes amplifying circuit, low pass filter, shielding shell, and described amplifying circuit, low pass filter are equal
It is arranged in shielding shell, and described amplifying circuit is electrically connected with low pass filter.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 6, its feature exists
In, the amplification frequency of described amplifying circuit is more than 60 times, and the low-frequency cut-off frequency of low pass filter is 50Hz～80Hz.
The operating frequency phase detection portable unit being applicable to Intelligent high voltage switch cabinet the most according to claim 1, its feature exists
In, described collection and analytic unit include that high-speed collection card, host computer, described high-speed collection card are electrically connected with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620535002.5U CN205786851U (en) | 2016-06-01 | 2016-06-01 | It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620535002.5U CN205786851U (en) | 2016-06-01 | 2016-06-01 | It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786851U true CN205786851U (en) | 2016-12-07 |
Family
ID=58137119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620535002.5U Expired - Fee Related CN205786851U (en) | 2016-06-01 | 2016-06-01 | It is applicable to the operating frequency phase detection portable unit of Intelligent high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051713A (en) * | 2017-12-15 | 2018-05-18 | 重庆臻远电气有限公司 | There is the partial discharge location device for shielding low frequency and high noisy |
-
2016
- 2016-06-01 CN CN201620535002.5U patent/CN205786851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051713A (en) * | 2017-12-15 | 2018-05-18 | 重庆臻远电气有限公司 | There is the partial discharge location device for shielding low frequency and high noisy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170601 |