CN110608804A - Intelligent detection equipment with infrared and local discharge functions - Google Patents
Intelligent detection equipment with infrared and local discharge functions Download PDFInfo
- Publication number
- CN110608804A CN110608804A CN201910760409.6A CN201910760409A CN110608804A CN 110608804 A CN110608804 A CN 110608804A CN 201910760409 A CN201910760409 A CN 201910760409A CN 110608804 A CN110608804 A CN 110608804A
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- infrared
- thermal
- partial discharge
- detection
- machine body
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000006870 function Effects 0.000 title claims abstract description 24
- 239000003292 glue Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 14
- 239000005341 toughened glass Substances 0.000 claims description 9
- 108090000565 Capsid Proteins Proteins 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000001931 thermography Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0265—Handheld, portable
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses an intelligent detection device with infrared and partial discharge functions, which comprises a machine body and a detection system arranged on the machine body, wherein the machine body comprises a handheld part and a detection part, the detection system is arranged on the detection part, the detection system comprises a mainboard, a CPU and a collection unit, and the collection unit comprises: a ground voltage sensor; an ultrasonic sensor; an infrared detector; the A/D converter is used for respectively converting the induced analog signals of the ground voltage sensor, the ultrasonic sensor and the infrared detector into digital signals; and the acquisition circuit is used for transmitting the acquired digital signals to the CPU. The invention enables the function of the thermal infrared imager to be applied to the thermal partial discharge instrument, so that the thermal partial discharge instrument has the function of the thermal infrared imager and the function of the partial discharge instrument. The invention can realize the acquisition of infrared thermal images and the detection of partial discharge by inspection personnel by only holding the invention, thereby reducing the carrying weight of detection instruments and equipment and providing convenience for the detection and identification of power equipment.
Description
Technical Field
The invention belongs to the technical field of power equipment detection, and particularly relates to intelligent detection equipment with infrared and local discharge functions.
Background
The infrared thermal imager uses an infrared detector and an optical imaging objective lens to receive an infrared radiation energy distribution pattern of a detected target and reflect the infrared radiation energy distribution pattern on a photosensitive element of the infrared detector so as to obtain an infrared thermal image, and the thermal image corresponds to a thermal distribution field on the surface of an object. Traditionally, thermal infrared imagers have been used to convert the invisible infrared energy emitted by an object into a visible thermal image. The different colors on the top of the thermal image represent the different temperatures of the object being measured.
The existing thermal infrared imager and thermal partial discharge imager are mutually independent devices, and the hardware architecture of the existing thermal infrared imager and the existing thermal partial discharge imager is a pure FPGA acquisition system or a system of FPGA and a single chip microcomputer. The disadvantages are that 1) no general peripheral interface is provided, the development difficulty of functions such as network, video compression, audio compression and the like is large, and the universality is difficult to achieve even if the functions are developed. 2) The user interaction interface can not be written by the upper high-level language, the database can not be written by the upper high-level language, and the development difficulty of software is high.
At present, the thermal infrared imager and the thermal partial discharge detector are indispensably used for preventive detection in the power industry, the two instruments are independent at present, and inspection personnel need to carry the two instruments respectively to inspect power equipment, so that the complexity of work is caused; on the other hand, the old instrument can be used for diagnosing the defects only by complex operation and professional knowledge and is eliminated, the new instrument is integrated with artificial intelligence, the use is convenient, and the equipment can be automatically identified and the defects can be diagnosed. Based on the two reasons, research and development of an artificial intelligent thermal partial discharge instrument is an urgent problem to be solved by power enterprises.
Disclosure of Invention
In order to solve the above problems, the present invention provides an intelligent detection device with infrared and partial discharge functions, which not only has a thermal partial discharge detection function, but also can acquire an infrared thermal image of an electrical device.
The technical scheme of the invention is as follows: the utility model provides an intelligent detection equipment that possesses infrared and office and put function, includes the organism and sets up the detecting system on the organism, detecting system includes mainboard, CPU and acquisition unit, acquisition unit includes:
a ground voltage sensor for sensing a ground voltage of the power device;
the ultrasonic sensor is used for sensing an ultrasonic signal of the power equipment;
the infrared detector is used for obtaining infrared thermal image information of the power equipment in an induction mode;
the A/D converter is used for respectively converting the induced analog signals of the ground voltage sensor, the ultrasonic sensor and the infrared detector into digital signals;
the acquisition circuit is used for acquiring the digital signals obtained by the conversion of the A/D converter and transmitting the acquired digital signals to the CPU;
the machine body comprises a front shell, a rear shell, a first mounting plate and a second mounting plate, and the mainboard comprises a mainboard radiating block; the infrared detector is mounted on the front shell, the ultrasonic sensor and the ground voltage sensor are arranged on the first mounting plate, and the first mounting plate is fixed on the front shell above the infrared detector in a locking mode through screws; the mainboard is installed between procapsid and back casing, the AD converter sets up on the second mounting panel, the second mounting panel is fixed in through screw locking on the mainboard radiating block.
The invention can be improved on the basis of the existing thermal partial discharge instrument, and the specific structural design can adopt the structure of the existing conventional thermal partial discharge instrument.
Preferably, the body is further provided with a serial port, a network port, an earphone interface, an SD card interface and a display interface. The invention adopts the matching mode of the mainboard and the CPU, thereby realizing the connection of a plurality of interfaces. The setting mode of the serial port, the network port, the earphone interface, the SD card interface and the display interface in the invention can be realized by adopting the conventional setting mode.
Preferably, the acquisition unit further comprises an amplifying circuit for amplifying the digital signal converted by the a/D converter.
Preferably, the body is provided with a display screen for displaying the detection information.
On the premise that infrared thermal imaging can work, the dustproof and waterproof grade of the instrument is required to reach IP67, and the instrument can work at 260 ℃ for 5 minutes without problems. The dustproof and waterproof grade and the good heat insulation performance are key indexes of the fire-fighting handheld infrared thermal imager, and whether the fire-fighting handheld infrared thermal imager can work in a severe environment or not is determined. Preferably, a display screen waterproof structure is arranged on the machine body.
As preferred, display screen waterproof construction is including the toughened glass layer and the transparent PC sheet layer of high temperature resistant that arrange in proper order, be hollow structure between toughened glass layer and the transparent PC sheet layer of high temperature resistant, the toughened glass layer cover in on the display screen. The display screen waterproof structure can play a role in waterproof protection of the display screen, wherein the high-temperature-resistant transparent PC board layer only needs to be made of various conventional high-temperature-resistant transparent PC boards, and the display screen waterproof structure plays a role in heat insulation and waterproof protection of the display screen, so that the display screen can normally work at 260 ℃.
Preferably, the amplifier circuit is provided on the second mounting board.
Preferably, the machine body further comprises a heat insulation structure coated outside the front shell and the rear shell, and the heat insulation structure is composed of a hard glue layer and a soft glue layer from inside to outside in sequence. The heat insulation structure comprises a hard glue layer and a soft glue layer, wherein the hard glue layer is installed, and then the soft glue layer is covered for heat insulation and buffer protection.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the control system is improved, the infrared detector is additionally arranged for carrying out infrared thermal image shooting, and the infrared detector and the control system of the thermal partial discharge instrument are integrated together, so that the function of the thermal infrared imager is applied to the thermal partial discharge instrument, and the thermal partial discharge instrument has the function of the thermal infrared imager. The invention can realize the acquisition of infrared thermal images and the detection of thermal partial discharge by inspection personnel by only holding the invention, thereby reducing the carrying weight of detection instruments and equipment and providing convenience for the detection and identification of power equipment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a control system according to the present invention.
Fig. 3 is a schematic view of a connection structure of the waterproof structure of the display screen according to the present invention.
Fig. 4 is a schematic structural view of the first mounting plate of the present invention.
Fig. 5 is a schematic view of the structure at the second mounting plate in the present invention.
Detailed Description
As shown in fig. 1 and 2, the present invention includes a machine body 1 and a detection system 2 disposed on the machine body 1, the detection system 2 includes a main board 21, a CPU22 and a collection unit 23, and the collection unit 23 includes:
a ground voltage sensor 231 for sensing a ground voltage of the power device;
an ultrasonic sensor 232 for sensing an ultrasonic signal of the power equipment;
the infrared detector 233 is used for inductively acquiring infrared thermography information of the power equipment;
an a/D converter 234 for converting the sensed analog signals of the ground voltage sensor, the ultrasonic sensor, and the infrared detector into digital signals, respectively;
and an acquisition circuit 235 for acquiring the digital signal converted by the a/D converter and transmitting the acquired digital signal to the CPU 22.
According to the invention, the control system of the thermal partial discharge instrument is improved, the infrared detector is additionally arranged for shooting the infrared thermal image, and the infrared detector and the control system of the thermal partial discharge instrument are integrated together, so that the function of the thermal infrared imager is applied to the thermal partial discharge instrument, and the thermal partial discharge instrument has the function of the thermal infrared imager. The invention can realize the acquisition of infrared thermal images and the detection of thermal partial discharge by inspection personnel by only holding the invention, thereby reducing the carrying weight of detection instruments and equipment and providing convenience for the detection and identification of power equipment. Three a/D converters may be provided in the present invention for conversion of the ground voltage sensor 231, the ultrasonic sensor 232, and the infrared detector 233, respectively.
As shown in fig. 2, the body 1 is further provided with a serial port 11, a network port 12, an earphone interface 13, an SD card interface 14, and a display interface 15. The invention adopts the matching mode of the mainboard 21 and the CPU22, thereby realizing the connection of a plurality of interfaces. The serial port 11, the network port 12, the earphone interface 13, the SD card interface 14 and the display interface 15 of the present invention are set by the conventional setting method, for example, the interface board 24 is used for access. The acquisition unit 23 further includes an amplification circuit 236 for amplifying the digital signal converted by the a/D converter 234.
As shown in fig. 1 and 3, the main body 1 of the present invention is provided with a display screen 3 for displaying the detection information. On the premise that infrared thermal imaging can work, the dustproof and waterproof grade of the instrument is required to reach IP67, and the instrument can work at 260 ℃ for 5 minutes without problems. The dustproof and waterproof grade and the good heat insulation performance are key indexes of the fire-fighting handheld infrared thermal imager, and whether the fire-fighting handheld infrared thermal imager can work in a severe environment or not is determined. The machine body 1 is provided with a display screen waterproof structure. The display screen waterproof structure comprises a toughened glass layer 4 and a high-temperature-resistant transparent PC board layer 5 which are sequentially arranged, wherein a hollow structure is formed between the toughened glass layer and the high-temperature-resistant transparent PC board layer, and the toughened glass layer covers the display screen. The display screen waterproof structure can play a role in waterproof protection of the display screen, wherein the high-temperature-resistant transparent PC board layer only needs to be made of various conventional high-temperature-resistant transparent PC boards, and the display screen waterproof structure plays a role in heat insulation and waterproof protection of the display screen, so that the display screen can normally work at 260 ℃.
As shown in fig. 4 and 5, the main body 1 of the present invention includes a front housing 16, a rear housing 17, a first mounting plate 18, and a second mounting plate 19, and the main board includes a main board heat dissipation block; the infrared detector is mounted on the front shell 16, the ultrasonic sensor and the ground voltage sensor are arranged on the first mounting plate 18, and the first mounting plate 18 is fixed on the front shell above the infrared detector through screws in a locking manner; the mainboard is installed between procapsid and back casing, the AD converter sets up on second mounting panel 19, second mounting panel 19 is fixed in through screw locking on the mainboard radiating block. The invention can be improved on the basis of the existing thermal partial discharge instrument, and the specific structural design can adopt the structure of the existing conventional thermal partial discharge instrument.
Further, the amplifier circuit is provided on the second mounting board 19. The machine body 1 further comprises a heat insulation structure coated outside the front shell and the rear shell, and the heat insulation structure sequentially consists of a hard glue layer and a soft glue layer from inside to outside. The heat insulation structure comprises a hard glue layer and a soft glue layer, wherein the hard glue layer is installed, and then the soft glue layer is covered for heat insulation and buffer protection.
Claims (8)
1. The utility model provides an intelligent detection equipment that possesses infrared and office and put function, includes the organism and sets up the detecting system on the organism, its characterized in that, detecting system includes mainboard, CPU and acquisition unit, acquisition unit includes:
a ground voltage sensor for sensing a ground voltage of the power device;
the ultrasonic sensor is used for sensing an ultrasonic signal of the power equipment;
the infrared detector is used for obtaining infrared thermal image information of the power equipment in an induction mode;
the A/D converter is used for respectively converting the induced analog signals of the ground voltage sensor, the ultrasonic sensor and the infrared detector into digital signals;
the acquisition circuit is used for acquiring the digital signals obtained by the conversion of the A/D converter and transmitting the acquired digital signals to the CPU;
the machine body comprises a front shell, a rear shell, a first mounting plate and a second mounting plate, and the mainboard comprises a mainboard radiating block; the infrared detector is mounted on the front shell, the ultrasonic sensor and the ground voltage sensor are arranged on the first mounting plate, and the first mounting plate is fixed on the front shell above the infrared detector in a locking mode through screws; the mainboard is installed between procapsid and back casing, the AD converter sets up on the second mounting panel, the second mounting panel is fixed in through screw locking on the mainboard radiating block.
2. The intelligent detecting device with infrared and local discharge functions as claimed in claim 1, wherein the body is further provided with a serial port, a network port, an earphone interface, an SD card interface and a display interface.
3. The intelligent detection device with infrared and local discharge functions as recited in claim 1, wherein said acquisition unit further comprises an amplification circuit for amplifying the digital signal converted by the a/D converter.
4. The intelligent detecting equipment with infrared and local discharge functions as recited in claim 1, wherein a display screen for displaying the detected information is provided on said machine body.
5. The intelligent detecting equipment with infrared and local discharge functions as recited in claim 4, wherein a display screen waterproof structure is arranged on said machine body.
6. The intelligent detecting equipment with infrared and local discharge functions as claimed in claim 5, wherein the waterproof structure of the display screen comprises a toughened glass layer and a high-temperature-resistant transparent PC board layer which are sequentially arranged, a hollow structure is arranged between the toughened glass layer and the high-temperature-resistant transparent PC board layer, and the toughened glass layer covers the display screen.
7. The intelligent detection device with infrared and partial discharge functions as recited in claim 1, wherein said amplification circuit is disposed on the second mounting board.
8. The intelligent detection device with infrared and partial discharge functions as claimed in claim 1, wherein the machine body further comprises a heat insulation structure wrapped outside the front shell and the rear shell, and the heat insulation structure is composed of a hard glue layer and a soft glue layer in sequence from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760409.6A CN110608804A (en) | 2019-08-16 | 2019-08-16 | Intelligent detection equipment with infrared and local discharge functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760409.6A CN110608804A (en) | 2019-08-16 | 2019-08-16 | Intelligent detection equipment with infrared and local discharge functions |
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| Publication Number | Publication Date |
|---|---|
| CN110608804A true CN110608804A (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760409.6A Pending CN110608804A (en) | 2019-08-16 | 2019-08-16 | Intelligent detection equipment with infrared and local discharge functions |
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| Country | Link |
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| CN (1) | CN110608804A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147469A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | High-frequency intelligent identification device is put in GIS office based on AI edge calculation |
| CN112505368A (en) * | 2020-12-02 | 2021-03-16 | 孙玉珍 | Single-channel multifunctional partial discharge inspection instrument and inspection method thereof |
| WO2021215600A1 (en) * | 2020-04-21 | 2021-10-28 | (주)에스엠인스트루먼트 | Portable ultrasonic visualization device equipped with thermographic camera |
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|---|---|---|---|---|
| US5233305A (en) * | 1991-02-15 | 1993-08-03 | Fuji Electric Co., Ltd. | Partial discharge detecting device for resin-molded transformer |
| CN205595689U (en) * | 2016-03-10 | 2016-09-21 | 国网江西省电力科学研究院 | A handheld terminating set for distribution lines patrols and examines |
| CN206057487U (en) * | 2016-08-23 | 2017-03-29 | 上海华乘智能设备有限公司 | Multi-functional measuring device with electricity |
| CN206161779U (en) * | 2016-11-01 | 2017-05-10 | 上海华乘智能设备有限公司 | Multi -functional measuring device with electricity based on WIFI transmission |
| CN109374061A (en) * | 2018-11-30 | 2019-02-22 | 国网上海市电力公司 | A kind of switch cabinet electrified detection mobile job-oriented terminal |
| CN210604854U (en) * | 2019-05-22 | 2020-05-22 | 浙江黑卡电气有限公司 | Thermal partial discharge instrument |
-
2019
- 2019-08-16 CN CN201910760409.6A patent/CN110608804A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5233305A (en) * | 1991-02-15 | 1993-08-03 | Fuji Electric Co., Ltd. | Partial discharge detecting device for resin-molded transformer |
| CN205595689U (en) * | 2016-03-10 | 2016-09-21 | 国网江西省电力科学研究院 | A handheld terminating set for distribution lines patrols and examines |
| CN206057487U (en) * | 2016-08-23 | 2017-03-29 | 上海华乘智能设备有限公司 | Multi-functional measuring device with electricity |
| CN206161779U (en) * | 2016-11-01 | 2017-05-10 | 上海华乘智能设备有限公司 | Multi -functional measuring device with electricity based on WIFI transmission |
| CN109374061A (en) * | 2018-11-30 | 2019-02-22 | 国网上海市电力公司 | A kind of switch cabinet electrified detection mobile job-oriented terminal |
| CN210604854U (en) * | 2019-05-22 | 2020-05-22 | 浙江黑卡电气有限公司 | Thermal partial discharge instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021215600A1 (en) * | 2020-04-21 | 2021-10-28 | (주)에스엠인스트루먼트 | Portable ultrasonic visualization device equipped with thermographic camera |
| CN112147469A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | High-frequency intelligent identification device is put in GIS office based on AI edge calculation |
| CN112505368A (en) * | 2020-12-02 | 2021-03-16 | 孙玉珍 | Single-channel multifunctional partial discharge inspection instrument and inspection method thereof |
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Application publication date: 20191224 |
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