CN206331075U - Integrated TEV sensors based on bus type - Google Patents
Integrated TEV sensors based on bus type Download PDFInfo
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- CN206331075U CN206331075U CN201621438526.9U CN201621438526U CN206331075U CN 206331075 U CN206331075 U CN 206331075U CN 201621438526 U CN201621438526 U CN 201621438526U CN 206331075 U CN206331075 U CN 206331075U
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- ebi
- signal processing
- tev
- magnet
- processing module
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Abstract
The utility model is related to switch cubicle monitoring technical field, it is a kind of integrated TEV sensors based on bus type, it includes shielding case body, magnet, TEV sensor main bodies, signal processing module, up EBI is provided with the side of the shielding case body, descending EBI is provided with the opposite side of shielding case body, from top to bottom sequentially be installed with signal processing module, TEV sensor main bodies and magnet in shielding case body, up EBI and descending EBI respectively with signal processing module two-way communication link.The utility model is rational in infrastructure, it is easy to use, more TEV sensors are cascaded by descending EBI, when solving arrangement multisensor in the case of not influenceing equipment normally to run in switch cubicle the problem of difficult wiring, ground electric wave signal is handled by signal processing module, without needing data being uploaded to host process, the problem of solving host process data not in time improves main frame operational efficiency.
Description
Technical field
The utility model is related to switch cubicle monitoring technical field, is a kind of integrated TEV sensors based on bus type.
Background technology
High-tension switch cabinet due to the problem of design, manufacture, various degrees in terms of installation and operation maintenance, thus
Accident rate is higher；Simultaneously because the reasons such as filthy, insulation is weak, toy intrusion often trigger accident.Switch cubicle insulation fault is former
Because analysis mainly have that creep distance and the air gap are inadequate, contact rating is not enough or loose contact, manufacture assembling quality and technique it is bad,
Environmental influence etc..
The insulating properties of power equipment can be reflected by the detection of shelf depreciation.Shelf depreciation inside power equipment
Not only produce electric signal, and along with audible signal and optical signal, and cause gas to decompose, have for the method for monitoring
Electrical measuring method, sound detection, photoelectric method and chemical method etc..
Ground upstream band is to apply wider method, all ground radio wave sensor signal during current switch cabinet equipment partial discharge is tested
Need to give detection means and focus on, and this detection method is also had to when regularly inspection or regular maintenance are safeguarded
Shi Caineng is carried out, and operationally can only detect whether outer surface has partial discharge at switch cubicle.Switch cubicle belongs to a variety of electrical equipments
Assembly, species is various, complex structure, when needing arrangement to be used for comprehensive monitoring partial discharge compared with multi-measuring point in switch cubicle, deposits
The problems such as radio wave sensor difficult wiring and host data are handled not in time on ground.
The content of the invention
The utility model provide a kind of integrated TEV sensors based on bus type, overcome above-mentioned prior art it
Deficiency, it can effectively solve, when needing arrangement to be used for comprehensive monitoring partial discharge compared with multi-measuring point in switch cubicle, there is electric wave sensing
The problem of device difficult wiring and host data are handled not in time.
The technical solution of the utility model is realized by following measures：A kind of integrated TEV based on bus type
Sensor, including shielding case body, magnet, TEV sensor main bodies, signal processing module, are provided with the side of the shielding case body
Up EBI, is provided with descending EBI in the opposite side of shielding case body, is from top to bottom sequentially fixed in shielding case body
Signal processing module, TEV sensor main bodies and magnet is installed, up EBI and descending EBI respectively with signal
Manage module two-way communication link, TEV sensor main bodies and signal processing module electrical connection.
Here is the further optimization and/or improvements to above-mentioned utility model technical scheme：
Above-mentioned signal processing module includes detection unit, filter and amplification unit, A/D converting units, Digital Signal Processing list
Member and data storage cell, TEV sensor main bodies and the detection unit electrical connection, detection unit and filter and amplification unit are electrically connected
Connect, filter and amplification unit and the electrical connection of A/D converting units, A/D converting units and digital signal processing unit electrical connection, numeral letter
Number processing unit respectively with data storage cell, up EBI and descending EBI two-way communication link.
Above-mentioned signal processing module also includes PMU, and PMU and digital signal processing unit are two-way
Electrical connection.
Above-mentioned up EBI and descending EBI are RS-485 EBIs.
Above-mentioned magnet is permanent magnet.
The utility model reasonable and compact in structure, it is easy to use, by permanent magnet the utility model can be made easily to fix
In switch cubicle, the data after acquisition process are uploaded by up EBI, cascaded more originally by descending EBI
Utility model, thus solved in the case of not influenceing equipment normally to run arrangement multisensor when switch cubicle in difficult wiring
The problem of, and the ground electric wave signal that TEV sensor main bodies are sent is handled by signal processing module, without by data
Host process is transmitted to, the problem of solving host process data not in time reduces the requirement to main frame, improves main frame operation
Efficiency.
Brief description of the drawings
Accompanying drawing 1 is the main structure diagram of the utility model most preferred embodiment.
Accompanying drawing 2 is the shielding case body structural representation of the utility model most preferred embodiment.
Accompanying drawing 3 is the circuit connection diagram of the utility model most preferred embodiment.
Accompanying drawing 4 is two the utility model bus cascade schematic diagrams of identical.
Coding in accompanying drawing is respectively：1 is up EBI, and 2 be shielding case body, and 3 be descending EBI, and 4 be letter
Number processing module, 5 be TEV sensor main bodies, and 6 be magnet.
Embodiment
The utility model is not limited by following embodiments, can according to the technical solution of the utility model and actual conditions come
Determine specific embodiment.
In the utility model, for the ease of description, the description of the relative position relation of each part is according to specification
The Butut mode of accompanying drawing 1 is described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is according to Figure of description 1
Butut direction determine.
The utility model is further described with reference to embodiment and accompanying drawing：
As shown in accompanying drawing 1,2,4, the integrated TEV sensors based on bus type, including shielding case body 2, magnet 6, TEV are somebody's turn to do
Sensor main body 5, signal processing module 4, are provided with up EBI 1, in shielding case body 2 in the side of the shielding case body 2
Opposite side be provided with descending EBI 3, be from top to bottom sequentially installed with shielding case body 2 signal processing module 4,
TEV sensor main bodies 5 and magnet 6, up EBI 1 and descending EBI 3 respectively with the two-way communication of signal processing module 4
Connection, TEV sensor main bodies 5 and signal processing module 4 are electrically connected.
It is each mould in the utility model by up EBI 1 and descending EBI 3 as shown in accompanying drawing 1,2,4
Block is powered, and the data after acquisition process are uploaded by up EBI 1, and this more reality are cascaded by descending EBI 3
With new, when needing arrangement to be used for comprehensive monitoring partial discharge compared with multi-measuring point in switch cubicle, cascaded more by descending EBI 3
Many the utility model, thus solved in the case of not influenceing equipment normally to run arrangement multisensor when switch cubicle in cloth
The problem of line is difficult.
As shown in Figure 2, shielding case body 2 is used for shielding the interference that outside source is brought, because operation scene is often deposited
In interference signal, using shielding case body 2 it is possible to prevente effectively from the interference that outside source is brought；Bottom in shielding case body 2
Magnet 6 is installed with, magnet 6 can easily flexibly adsorb the utility model on the metal surface of switch cubicle；TEV is passed
Sensor main body 5, which is used for gathering, receives the ground electric wave signal that partial discharge of switchgear is produced, and ground electric wave signal is sent into signal
Processing module 4 is handled；Signal processing module 4 is used for handling the transmission of TEV sensor main bodies 5 ground electric wave signal, without
Data are uploaded to host process, the problem of solving host process data not in time reduces the requirement to main frame, improved
Main frame operational efficiency.
The above-mentioned integrated TEV sensors based on bus type further can be optimized or/and be changed according to actual needs
Enter：
As shown in accompanying drawing 2,3, signal processing module 4 includes detection unit, filter and amplification unit, A/D converting units, numeral
Signal processing unit and data storage cell, TEV sensor main bodies 5 and the detection unit electrical connection, detection unit and filtering
Amplifying unit is electrically connected, filter and amplification unit and the electrical connection of A/D converting units, A/D converting units and digital signal processing unit
Electrical connection, digital signal processing unit respectively with data storage cell, up EBI 1 and the two-way of descending EBI 3
Letter connection.
Here, detection unit is detecting circuit, for extracting low frequency signal in high-frequency signal, that is, is being mixed
Ground electric wave signal is extracted in signal；Electric wave signal is filtered amplification to filter and amplification unit over the ground；A/D converting units are A/D
Converter, carries out the analog-to-digital conversion of ground electric wave signal；Digital signal processing unit is digital signal processing chip, for electric over the ground
Ripple signal is handled；Data storage cell is used for storing the data after processing.
As shown in Figure 3, signal processing module also includes PMU, PMU and Digital Signal Processing
The two-way electrical connection of unit.Here, PMU is power management chip, complete to the conversion of electric energy, distribution, detect and its
Its electric energy management.
As shown in accompanying drawing 1,2,3,4, up EBI 1 and descending EBI 3 are RS-485 EBIs.RS-
485 EBIs are two-way, balance transmission standard interfaces, support Mulit-point Connection, have transmission range long, and speed transmission is fast, are resisted dry
Very capable, the simple advantage of wiring is disturbed, so as to the data after fast and effectively transmission process, this more practicality can be cascaded
It is new, and effectively solve arrangement multisensor when switch cubicle in difficult wiring the problem of.
As shown in Figure 2, magnet 6 is permanent magnet.Permanent magnet has the advantages that wide hysteresis curve, high-coercive force, high remanent magnetism,
The stability of magnetic force can effectively be kept.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation
Effect, can increase and decrease non-essential technical characteristic according to actual needs, to meet the demand of different situations.
Claims (8)
1. a kind of integrated TEV sensors based on bus type, it is characterised in that including shielding case body, magnet, TEV sensor mains
Body, signal processing module, are provided with up EBI, in the case where the opposite side of shielding case body is provided with the side of the shielding case body
Row bus interface, is from top to bottom sequentially installed with signal processing module, TEV sensor main bodies and magnetic in shielding case body
Iron, up EBI and descending EBI respectively with signal processing module two-way communication link, TEV sensor main bodies and letter
The electrical connection of number processing module.
2. the integrated TEV sensors according to claim 1 based on bus type, it is characterised in that:The signal transacting
Module includes detection unit, filter and amplification unit, A/D converting units, digital signal processing unit and data storage cell, described
TEV sensor main bodies and detection unit electrical connection, detection unit and the electrical connection of filter and amplification unit, filter and amplification unit and A/D
Converting unit electrically connect, A/D converting units and digital signal processing unit electrical connection, digital signal processing unit respectively with data
Memory cell, up EBI and descending EBI two-way communication link.
3. the integrated TEV sensors according to claim 2 based on bus type, it is characterised in that:The signal transacting
Module also includes PMU, PMU and the two-way electrical connection of digital signal processing unit.
4. the integrated TEV sensors according to claim 1 or 2 based on bus type, it is characterised in that：It is described up total
Line interface and descending EBI are RS-485 EBIs.
5. the integrated TEV sensors according to claim 3 based on bus type, it is characterised in that：The upper row bus
Interface and descending EBI are RS-485 EBIs.
6. the integrated TEV sensors according to claim 1 or 2 based on bus type, it is characterised in that：The magnet is
Permanent magnet.
7. the integrated TEV sensors according to claim 3 based on bus type, it is characterised in that：The magnet is forever
Magnet.
8. the integrated TEV sensors according to claim 4 based on bus type, it is characterised in that：The magnet is forever
Magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438526.9U CN206331075U (en) | 2016-12-26 | 2016-12-26 | Integrated TEV sensors based on bus type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438526.9U CN206331075U (en) | 2016-12-26 | 2016-12-26 | Integrated TEV sensors based on bus type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331075U true CN206331075U (en) | 2017-07-14 |
Family
ID=59293132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621438526.9U Active CN206331075U (en) | 2016-12-26 | 2016-12-26 | Integrated TEV sensors based on bus type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331075U (en) |
-
2016
- 2016-12-26 CN CN201621438526.9U patent/CN206331075U/en active Active
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