CN204142894U - A kind of portable ultrahigh frequency partial discharge detector based on RFID - Google Patents
A kind of portable ultrahigh frequency partial discharge detector based on RFID Download PDFInfo
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- CN204142894U CN204142894U CN201420415075.1U CN201420415075U CN204142894U CN 204142894 U CN204142894 U CN 204142894U CN 201420415075 U CN201420415075 U CN 201420415075U CN 204142894 U CN204142894 U CN 204142894U
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Abstract
The utility model discloses a kind of portable ultrahigh frequency partial discharge detector based on RFID, this detector has shell structure and is located at the detection system of shell structure, this detection system comprises: main embedded processing chip and be connected to the data collecting card of main embedded processing chip, RFID read-write module, memory module, human-computer interaction module and communication management module, and described data collecting card is connected with ultra-high frequency signal detecting unit, ultrasonic signal detecting unit; Wherein, high-tension apparatus to be detected is provided with the RFID cooperatively interacted with RFID read-write module.The beneficial effects of the utility model are: the utility model compact conformation, easy to carry, have higher sensitivity and signal to noise ratio (S/N ratio), use ultrahigh frequency and ultrasonic detection method effectively to detect high voltage electric power equip ment shelf depreciation at the scene.
Description
Technical field
The utility model relates to Electric Power Equipment Insulation online measuring technique field, especially relates to a kind of portable ultrahigh frequency partial discharge detector based on RFID.
Background technology
In recent years, high voltage electric power equip ment is widely used in urban distribution network, and high voltage electric power equip ment internal fault is based on insulation fault.It is one of important parameter reflecting high voltage electric power equip ment insulating property that office puts, and it is sign and the form of expression of high voltage electric power equip ment insulation degradation, is again the reason of the further deterioration of insulation.So, detect high voltage electric power equip ment office exoergic and find its inner early stage insulation defect, to take measures, avoid it to develop.
Put in detection in current office, there is multiple problem:
1. test data adopts manual logging mode mostly at present, and basic staff record is random large, and the data validity returned and accuracy all exist larger problem, are unfavorable for the subsequent analysis of these test datas.
2. because test site situation is complicated, therefore office to put test higher for the requirement of tester and equipment, current complex apparatus is scarcely applicable to basic unit and applies, and cost is higher.
3., because checkout equipment is put in current office and technology is different, even the exhibition method difference of same measuring technology distinct device test result is also very large, lacks unified data standard, is unfavorable for that mutually comparing of test result utilizes with historical test data.
4. couple tester requires higher, and training cost is large.
5. testing of equipment and diagnostic accuracy poor, the utilization ratio of electrical network is low.
Detector function singleness is put in current office, and volume is large, and content measurement is single, greatly have impact on the efficiency of test, adds the labour intensity of testing staff.
Utility model content
The purpose of this utility model is exactly to solve the problem, and provides a kind of portable ultrahigh frequency partial discharge detector based on RFID.
To achieve these goals, the utility model adopts following technical scheme:
Based on a portable ultrahigh frequency partial discharge detector of RFID, this detector has shell structure and is located at the detection system of shell structure, and this detection system comprises:
Main embedded processing chip;
Be connected to the data collecting card of main embedded processing chip, this data collecting card is connected with ultra-high frequency signal detecting unit, ultrasonic signal detecting unit;
Be connected to the human-computer interaction module of main embedded processing chip;
Be connected to the RFID read-write module of main embedded processing chip, it is built in detector and is responded to by cordless and read the information of RFID;
Be connected to the memory module of main embedded processing chip;
Be connected to the communication management module of main embedded processing chip;
Wherein, high-tension apparatus to be detected is provided with the RFID cooperatively interacted with RFID read-write module.
Further, described RFID is anti-metal RFID.
Further, described RFID is incorporated into high-tension apparatus to be detected surface with bonding method.
Further, described ultra-high frequency signal detecting unit at least comprises the Archimedian spiral antenna that frequency band is 100MHz-3GHz, and it is built in the back side of detector inside.
Further, described ultrasonic signal detecting unit at least comprises the sonac that frequency band is 1kHz-500kHz, and it is built in the back side of detector inside.
The utility model has following beneficial effect:
1. reduce the requirement of technology to basic staff and experience, a large amount of training costs can be saved.
2. reduce the labour intensity in the testing process of testing staff.
3. reduce similar devices acquisition cost, the acquisition expenses of similar devices can be reduced.
4. improve the accuracy of testing of equipment and diagnosis, greatly reduce maintenance time and the expense of equipment, improve the utilization ratio of electrical network.
5. can effectively advance high-tension apparatus office to put the practicalization of live detection, for the repair based on condition of component of high-tension apparatus provides foundation, avoid blindly maintenance, improve maintenance efficiency, the safe and reliable operation for high-tension apparatus provides strong technical support.
Accompanying drawing explanation
Fig. 1 is a kind of portable ultrahigh frequency partial discharge detector theory diagram based on RFID.
Fig. 2 is the schematic diagram that a kind of portable ultrahigh frequency partial discharge detector based on RFID carries out shelf depreciation test.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, a kind of portable ultrahigh frequency partial discharge detector (hereinafter referred to as " detector ") based on RFID, this detector T adopts is convenient to hand-held shell structure, and establish corresponding detection system in this shell structure, specifically, this detection system comprises: main embedded processing chip 1, data collecting card 2, human-computer interaction module 3, RFID read-write module 4, memory module 7 and communication management module 8.
Wherein, this detector is using main embedded processing chip 1 as master element, this main embedded processing chip adopts the i.MX6SL of Freescale company, it is 32 RISC single core processor based on ARM Cortex-A9 framework, maximum operation frequency is 1GHz, be widely used in automotive electronics, consumer electronics and Industry Control, its high-performance ensure that the fluency of data acquisition, Storage & Display.
Data collecting card 2 is connected to main embedded processing chip, this data collecting card is connected with for detecting the electromagnetic ultra-high frequency signal detecting unit 5 of shelf depreciation generation and the ultrasonic signal detecting unit 6 for detecting the ultrasonic signal that shelf depreciation produces on high voltage electric power equip ment on high voltage electric power equip ment, wherein, described ultra-high frequency signal detecting unit comprises the Archimedian spiral antenna that frequency band is 100MHz-3GHz, it is built in the back side of detector inside, and described ultrasonic signal detecting unit comprises the sonac that frequency band is 1kHz-500kHz, it is built in the back side of detector inside.
Wherein, data collecting card adopts AD9241 high-precision high-speed modulus conversion chip module, and its data width 14, sampling rate 1.25MSps, carries out real time high-speed sampling to data.
For ease of man-machine interaction, this detector has the human-computer interaction module 3 being connected to main embedded processing chip, and see Fig. 2, this detector has for the display screen of data display and the action button (keyboard) for operating personnel's operation.Human-computer interaction module adopts high-definition liquid crystal display and resistive touch screen, and liquid crystal adopts the TFT480800 high-definition liquid crystal display screen of Xin Li company, has 480 × 800 display resolutions.
This detector also comprises the MFRC522 that the RFID read-write module 4(being connected to main embedded processing chip adopts NXP company), it is built in detector and is responded to by cordless and read the information of RFID, high-tension apparatus to be detected (the switch cubicle K of such as Fig. 2) is provided with the relevant information of this RFID write device of RFID P(cooperatively interacted with RFID read-write module), detector can be realized by said structure and read the relevant information obtaining high voltage electric power equip ment.
The storage of information is vital for detector, and Given this, this detector has the memory module 7 being connected to main embedded processing chip.Memory module adopts SD storage card, adopts the connecting interface of the universal standard, and conveniently can plug replacing.
This detector has the communication management module 8(communication management module being connected to main embedded processing chip and adopts GPRS communication module, adopt the G24 module of MOTOROLA company, can by data by the teletransmission of GPRS mode in monitoring server), it can realize being connected with the equipment such as remote monitor.And this communication management module can be used for seamless transit digital detection signal to Surveillance center.In this case, the data upload of detector storage inside module (internal storage) will be stored in host computer by PORT COM, data management platform software is according to high pressure ionization device numbering, and inquiry obtains concrete high voltage electric power equip ment title, and processes Monitoring Data.
In actual test environment, the usual surface of equipment to be detected is metal material, interference can be produced to the information reading of RFID, the information of equipment can not normally read, Given this, described RFID is anti-metal RFID (its embedded Fe forms body shielding material can prevent high voltage electric power equip ment iron shell for emission of radio frequency signals and the interference accepting generation), and described RFID is incorporated into high-tension apparatus to be detected surface with bonding method.For local, RFID surface arranges super crystal lattice material, so that can identify its orientation timely and effectively under night-environment, certainly, the setting position of super crystal lattice material is not to hinder being identified as of detector suitable.
The Partial Discharge Detecting Technology means such as the integrated ultrahigh frequency of this detector and ultrasound wave, have integrated, miniaturization feature, can make operation maintenance personnel quick obtaining equipment multidimensional running state information.
This detector can the account information of the tested high voltage electric power equip ment of quick collection at the scene, use RFID label tag technology, RFID read-write module is built in instrument, by space cordless induction also reading tag information, need not to instrument perforate, do not affect machine attractive in appearance, and RFID label tag (is made up of pickup coil and chip, it belongs to known technology, not in this to go forth) use chip and use colloid housing integration plastic packaging, be applicable to site environment, durable in use, in addition, FRID has certain data encryption technology, illegal reading tag internal information can be prevented.
See Fig. 2, at the scene in application, this checkout equipment detects RFID, obtains high voltage electric power equip ment number information, and sets up corresponding data file, detects ground electric wave and ultrasonic signal and is stored in data file.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (5)
1., based on a portable ultrahigh frequency partial discharge detector of RFID, this detector has shell structure and is located at the detection system of shell structure, it is characterized in that, this detection system comprises:
Main embedded processing chip;
Be connected to the data collecting card of main embedded processing chip, this data collecting card is connected with ultra-high frequency signal detecting unit, ultrasonic signal detecting unit;
Be connected to the human-computer interaction module of main embedded processing chip;
Be connected to the RFID read-write module of main embedded processing chip, it is built in detector and is responded to by cordless and read the information of RFID;
Be connected to the memory module of main embedded processing chip;
Be connected to the communication management module of main embedded processing chip;
Wherein, high-tension apparatus to be detected is provided with the RFID cooperatively interacted with RFID read-write module.
2. a kind of portable ultrahigh frequency partial discharge detector based on RFID according to claim 1, it is characterized in that, described RFID is anti-metal RFID.
3. a kind of portable ultrahigh frequency partial discharge detector based on RFID according to claim 1 and 2, is characterized in that, described RFID is incorporated into high-tension apparatus to be detected surface with bonding method.
4. a kind of portable ultrahigh frequency partial discharge detector based on RFID according to claim 1, it is characterized in that, described ultra-high frequency signal detecting unit at least comprises the Archimedian spiral antenna that frequency band is 100MHz-3GHz, and it is built in the back side of detector inside.
5. a kind of portable ultrahigh frequency partial discharge detector based on RFID according to claim 1, it is characterized in that, described ultrasonic signal detecting unit at least comprises the sonac that frequency band is 1kHz-500kHz, and it is built in the back side of detector inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415075.1U CN204142894U (en) | 2014-07-27 | 2014-07-27 | A kind of portable ultrahigh frequency partial discharge detector based on RFID |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415075.1U CN204142894U (en) | 2014-07-27 | 2014-07-27 | A kind of portable ultrahigh frequency partial discharge detector based on RFID |
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| CN204142894U true CN204142894U (en) | 2015-02-04 |
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| CN201420415075.1U Expired - Fee Related CN204142894U (en) | 2014-07-27 | 2014-07-27 | A kind of portable ultrahigh frequency partial discharge detector based on RFID |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422306A (en) * | 2016-05-04 | 2017-12-01 | 法国大陆汽车公司 | Method that is associated with location equipment and portable set, carrying out positions portable formula equipment using hyperfrequency waves |
| CN107643471A (en) * | 2017-10-27 | 2018-01-30 | 国家电网公司 | A kind of electrical equipment intermittent defect detects positioner |
| CN111126525A (en) * | 2019-12-13 | 2020-05-08 | 重庆宇来通信设备有限公司 | Data acquisition system based on RFID temperature measurement label |
-
2014
- 2014-07-27 CN CN201420415075.1U patent/CN204142894U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422306A (en) * | 2016-05-04 | 2017-12-01 | 法国大陆汽车公司 | Method that is associated with location equipment and portable set, carrying out positions portable formula equipment using hyperfrequency waves |
| CN107422306B (en) * | 2016-05-04 | 2021-02-19 | 法国大陆汽车公司 | Method for locating a portable device using ultra high frequency waves, associated with a locating device and a portable device |
| CN107643471A (en) * | 2017-10-27 | 2018-01-30 | 国家电网公司 | A kind of electrical equipment intermittent defect detects positioner |
| CN111126525A (en) * | 2019-12-13 | 2020-05-08 | 重庆宇来通信设备有限公司 | Data acquisition system based on RFID temperature measurement label |
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Granted publication date: 20150204 |