CN111007306A - Novel wireless insulator live test device - Google Patents
Novel wireless insulator live test device Download PDFInfo
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- CN111007306A CN111007306A CN201911244993.6A CN201911244993A CN111007306A CN 111007306 A CN111007306 A CN 111007306A CN 201911244993 A CN201911244993 A CN 201911244993A CN 111007306 A CN111007306 A CN 111007306A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses a novel wireless insulator live-line testing device, which relates to the technical field of insulator testing devices and comprises an insulating rod and a handheld receiver, wherein the left end of the insulating rod is fixedly connected with a detection transmitter through a screw assembly, the surface of the detection transmitter is provided with an acquisition unit, the interior of the detection transmitter is respectively provided with a processing system, an analog-digital conversion module, a voltage division module and a wireless transmission module, the output end of the acquisition unit is electrically connected with the input end of the voltage division module, the invention enables the detection of the insulator to be more convenient and accurate by arranging the acquisition unit, the wireless transmission module, the receiving module and the display unit, realizes the live-line monitoring of the defect of the insulator, finds out the fault insulator in time, and solves the problems of the online detection of the insulator of a power transmission line due to the particularity of the installation position and the universality of the distribution area, the problem that insulator online detection is troublesome is caused.
Description
Technical Field
The invention relates to the technical field of insulator testing devices, in particular to a novel wireless insulator live testing device.
Background
With the development of an electric power system, the system voltage level is higher and higher, an insulator is used as a very special insulation control and is distributed in a large number in a high-voltage transmission line, a suspension insulator is used as one of important components of a transmission network, and the suspension insulator is inevitably and gradually degraded after being subjected to the action of factors such as a strong electric field, natural erosion, complex mechanical stress and the like for a long time in operation.
At present, a plurality of methods and tools for detecting insulators are provided, such as a non-electric quantity measuring method represented by an ultrasonic detection method, a laser doppler vibration method and an infrared thermography method and an electric quantity measuring method represented by a voltage distribution detection method, an insulation resistance method and a pulse current method, but the detection methods cannot accurately detect the insulation condition of each insulator and cannot play a role in preventive detection, and when the insulators of a power transmission line are detected on line, the insulators are detected on line, and the insulators are troublesome to detect on line due to the particularity of installation positions and the universality of distribution areas.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel wireless insulator live-line testing device, which solves the problem that insulator online detection is troublesome due to the particularity of the installation position and the universality of the distribution area when the insulator of a power transmission line is detected online.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a novel wireless insulator live test device, includes insulator spindle and handheld receiver, the left end of insulator spindle passes through screw rod subassembly fixedly connected with and detects the transmitter, the surface that detects the transmitter is provided with the acquisition unit, the inside that detects the transmitter is provided with processing system, analog-to-digital conversion module, partial pressure module and wireless transmission module respectively, the output of acquisition unit is connected with the input electricity of partial pressure module, the output of partial pressure module is connected with analog-to-digital conversion module's input electricity, analog-to-digital conversion module's output is connected with the input electricity of processing system, the output of processing system is connected with wireless transmission module's input electricity.
The handheld receiver is characterized in that a receiving module, a second processing system, a decoding module, a data transmission module and a power supply module are arranged inside the handheld receiver respectively, the output end of the wireless transmission module is in wireless connection with the input end of the receiving module, the output end of the receiving module is electrically connected with the input end of the second processing system, the output end of the second processing system is electrically connected with the input end of the decoding module, a display unit and an indicator lamp are arranged on the front side of the handheld receiver respectively, the indicator lamp is located below the display unit, the output end of the decoding module is electrically connected with the input end of the display unit, the output end of the power supply module is electrically connected with the input end of the second processing system, and the output end of the second processing system is electrically connected with the indicator.
Further, the screw assembly comprises a screw and a butterfly nut, the screw is fixedly connected to the top of the insulating rod, the detection transmitter is movably sleeved on the surface of the screw, the bottom of the butterfly nut is movably connected with the top of the detection transmitter, and the inner wall of the butterfly nut is in threaded connection with the surface of the screw.
Furthermore, the processing system I and the processing system II are both ATS single-chip microcomputers.
Furthermore, the data transmission module comprises a storage module and a USB connector, wherein the output end of the storage module is electrically connected with the input end of the USB connector, and the USB connector is embedded on the left side of the handheld receiver.
Further, power module includes switch, power module and the interface that charges, the switch all sets up the front at handheld receiver with the interface that charges, the switch is located the left side and the right side of pilot lamp respectively with the interface that charges, the switch all is connected with power module's input electricity with the output of the interface that charges.
Further, the surface of handheld receiver has cup jointed the protective sheath, the protective sheath is the silica gel cover.
Further, the surface of protective sheath is fixedly connected with snubber block and arc piece respectively, the snubber block is located the inside of arc piece, the snubber block is close to one side of arc piece and the inner wall fixed connection of arc piece, the fixed surface of snubber block is connected with the shock attenuation strip, the snubber block is close to one side of shock attenuation strip and is connected with the fixed surface of shock attenuation strip.
Furthermore, a through hole is formed in the back face of the protective sleeve, and the through hole is a round hole.
Advantageous effects
The invention has the following beneficial effects:
(1) the novel wireless insulator live test device comprises acquisition units, a wireless transmission module, a receiving module and a display unit, wherein when the device is used, probes of the two acquisition units are contacted with metal parts at two ends of an insulator through an insulating rod, the probes of the acquisition units acquire voltages at two ends of the insulator, weak voltage signals are obtained after voltage division through the voltage division module, the weak voltage signals are transmitted to a handheld receiver through the wireless transmission module at 433MHZ micro power after modulation and coding processing of an analog-to-digital conversion module, the receiving module receives the signals, the signals are reduced into voltage values after decoding of a decoding module and are displayed on the display unit, the voltage values of the tested insulator can be displayed on the handheld receiver only by contacting the probes of the acquisition units with the metal parts at two ends of the insulator, the effect of more convenient online detection of the insulator is achieved, and meanwhile, the detection result is more accurate, the insulator defect live-line monitoring is realized, the fault insulator is found in time, the transmitter is detected to be separated from the handheld receiver, the insulating rod is a telescopic insulating rod, a user can detect the insulator by keeping away from the insulator, personal safety of the user is practically guaranteed, and the problem that the insulator is troublesome to detect on line due to the particularity of the installation position of the insulator and the universality of a distribution area when the insulator of the power transmission line is detected on line is solved.
(2) This novel wireless insulator takes electric test device through screw rod assembly, unscrews butterfly nut and can rotate the detection transmitter, adjusts the angle of collection unit, is suitable for the measurement demand of different angles such as strain insulator, dangle.
(3) This novel wireless insulator live test device, through protective sheath, snubber block and shock attenuation strip, the protective sheath cup joints on handheld receiver, and handheld receiver is wireless insulator tester promptly, and the protective sheath is the silica gel cover for protect handheld receiver, four turning positions of protective sheath all have snubber block, shock attenuation strip and arc piece, further improve the protective capacities of handheld receiver, and the round hole on the protective sheath is favorable to the heat dissipation of handheld receiver simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a handheld receiver of a novel wireless insulator live testing device provided by the invention;
fig. 2 is a schematic structural diagram of a detection transmitter of a novel wireless insulator live testing device provided by the invention;
FIG. 3 is a front cross-sectional view of a receiving module of a handheld receiver of the novel wireless insulator testing device according to the present invention;
fig. 4 is a front sectional view of a position of a wireless transmission module of a detection transmitter of the novel wireless insulator live testing device provided by the invention;
FIG. 5 is a left side sectional view of a decoding module of a handheld receiver of the novel wireless insulator testing device according to the present invention;
FIG. 6 is a sectional view of a handheld receiver power module of the novel wireless insulator testing apparatus according to the present invention;
fig. 7 is a control system diagram of a novel wireless insulator live testing device provided by the invention.
In the figure, 1, an insulating rod; 2. a handheld receiver; 3. a screw assembly; 301. a screw; 302. a butterfly nut; 4. detecting a transmitter; 5. a collection unit; 6. the processing system is uniform; 7. an analog-to-digital conversion module; 8. a voltage division module; 9. a wireless transmission module; 10. a receiving module; 11. a second processing system; 12. a decoding module; 13. a data transmission module; 1301. a storage module; 1302. a USB connector; 14. a power supply module; 1401. a switch; 1402. a power supply module; 1403. a charging interface; 15. a display unit; 16. an indicator light; 17. a protective sleeve; 18. a damper block; 19. an arc-shaped block; 20. a shock absorbing bar; 21. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a novel wireless insulator live test device comprises an insulating rod 1 and a handheld receiver 2, wherein the insulating rod 1 is a telescopic insulating rod, the handheld receiver 2 is a wireless insulator tester, the left end of the insulating rod 1 is fixedly connected with a detection transmitter 4 through a screw assembly 3, the surface of the detection transmitter 4 is provided with an acquisition unit 5, the acquisition unit 5 is a conductive metal rod, the number of the conductive metal rods is two, the detection transmitter 4 is internally provided with a processing system 6, an analog-to-digital conversion module 7, a voltage division module 8 and a wireless transmission module 9 respectively, the output end of the acquisition unit 5 is electrically connected with the input end of the voltage division module 8, the voltage division module 8 divides the voltage acquired by the acquisition unit 5 to obtain a weak voltage signal, the weak voltage signal is converted into a digital signal through the analog-to-digital conversion module 7 and then is transmitted to a receiving module 10 of the handheld receiver 2 through the wireless transmission module 9, the output end of the voltage division module 8 is electrically connected with the input end of the analog-to-digital conversion module 7, the output end of the analog-to-digital conversion module 7 is electrically connected with the input end of the processing system 6, and the output end of the processing system 6 is electrically connected with the input end of the wireless transmission module 9.
The interior of the handheld receiver 2 is respectively provided with a receiving module 10, a second processing system 11, a decoding module 12, a data transmission module 13 and a power supply module 14, the receiving module 10 transmits digital signals to the second processing system 11, the digital signals are decoded by the decoding module 12 and displayed on a display unit 15 in a digital form, the display unit 15 is an LCD (liquid crystal display) screen which is a liquid crystal display screen, the unit of displaying the digital signals is kilovolt, the output end of a wireless transmission module 9 is in wireless connection with the input end of the receiving module 10, the output end of the receiving module 10 is in electrical connection with the input end of the second processing system 11, the output end of the second processing system 11 is in electrical connection with the input end of the decoding module 12, the front side of the handheld receiver 2 is respectively provided with the display unit 15 and an indicator lamp 16, the indicator lamp 16 is used for displaying the running state of the handheld receiver 2, the indicator light 16 is turned off, the handheld receiver 2 is in a turned-off state, the indicator light 16 is located below the display unit 15, the output end of the decoding module 12 is electrically connected with the input end of the display unit 15, the output end of the power supply module 14 is electrically connected with the input end of the second processing system 11, and the output end of the second processing system 11 is electrically connected with the indicator light 16 and the input end of the data transmission module 13 respectively.
As a specific technical solution of this embodiment, the screw assembly 3 includes a screw 301 and a wing nut 302, the screw 301 is fixedly connected to the top of the insulating rod 1, the detection transmitter 4 is movably sleeved on the surface of the screw 301, the bottom of the wing nut 302 is movably connected to the top of the detection transmitter 4, and the inner wall of the wing nut 302 is in threaded connection with the surface of the screw 301.
In this embodiment, the wing nut 302 is unscrewed, the detection transmitter 4 is rotated, and the angle of the acquisition unit 5 is adjusted, so that the acquisition unit 5 is suitable for measurement requirements of different angles such as strain, suspension and the like.
As a specific technical solution of this embodiment, the processing system i 6 and the processing system ii 11 are both AT89S52 single-chip microcomputers.
In this embodiment, the AT89S52 single chip microcomputer is a high-performance single chip microcomputer, and the processing performance of the handheld receiver 2 and the detection transmitter 4 is improved.
As a specific technical solution of this embodiment, the data transmission module 13 includes a storage module 1301 and a USB connector 1302, an output end of the storage module 1301 is electrically connected to an input end of the USB connector 1302, and the USB connector 1302 is embedded on the left side of the handheld receiver 2.
In this embodiment, the USB disk is inserted into the USB connector 1302, the tower number, the loop number, the phase difference, and the string number are sequentially input according to the prompt of the handheld receiver 2 during the test, the test is started after the input is completed, the handheld receiver 2 automatically counts the number of each string according to the measurement result, stores each measurement result according to the number of the insulator, and stores the measurement result in the USB disk.
As a specific technical scheme of this embodiment, the power supply module 14 includes a switch 1401, a power module 1402 and a charging interface 1403, the switch 1401 and the charging interface 1403 are both disposed on the front side of the handheld receiver 2, the switch 1401 and the charging interface 1403 are respectively located on the left side and the right side of the indicator light 16, and output ends of the switch 1401 and the charging interface 1403 are both electrically connected with an input end of the power module 1402.
In this embodiment, power module 14 supplies power to handheld receiver 2, is connected the charging wire with external power source, inserts the charging wire in interface 1403 that charges, can charge power module 1402, and switch 1401 is used for controlling whether power module 14 supplies power to handheld receiver 2.
As a specific technical scheme of this embodiment, the surface of the handheld receiver 2 is sleeved with a protective sleeve 17, and the protective sleeve 17 is a silica gel sleeve.
In this embodiment, the protective sleeve 17 is wrapped around the handheld receiver 2 to protect the handheld receiver 2.
As a specific technical scheme of this embodiment, the surface of protective sheath 17 is fixedly connected with snubber block 18 and arc piece 19 respectively, and snubber block 18 is located the inside of arc piece 19, and one side that snubber block 18 is close to arc piece 19 is connected with the inner wall fixed connection of arc piece 19, and the fixed surface of snubber block 18 is connected with bumper bar 20, and one side that snubber block 18 is close to bumper bar 20 is connected with the fixed surface of bumper bar 20.
In this embodiment, four corner positions of the protective sleeve 17 are provided with the shock absorption blocks 18, the arc blocks 19 and the shock absorption bars 20, so that the protection capability of the four corner positions of the handheld receiver 2 is further improved.
As a specific technical solution of this embodiment, a through hole 21 is formed in the back of the protective sleeve 17, and the through hole 21 is a circular hole.
In this embodiment, the number of the through holes 21 is several, and the several through holes 21 are uniformly distributed on the back surface of the protective cover 17 at intervals for dissipating heat of the handheld receiver 2.
When the device is used (during work), the probes of the two acquisition units 5 are contacted with metal parts at two ends of an insulator through the insulating rod 1, the probes of the acquisition units 5 acquire voltages at two ends of the insulator, the voltages are divided by the voltage division module 8 to obtain weak voltage signals, the weak voltage signals are transmitted to the wireless transmission module 9 through the processing system 6 after being processed by the modulation and coding of the analog-to-digital conversion module 7, the weak voltage signals are transmitted to the handheld receiver 2 through the wireless transmission module 9 at 433MHZ micro power, the detection process is more convenient and quick through the wireless transmission mode, the signals are received by the receiving module 10 and transmitted to the processing system II 11, the weak voltage signals are transmitted to the decoding module 12 through the processing system II 11, the weak voltage signals are restored into voltage values after being decoded by the decoding module 12 and are displayed on the display unit 15, the power supply module 14 supplies power to the handheld receiver 2, and the power, the device is used for storing electric energy, the opening and closing of a handheld receiver 2 are controlled by pressing a switch 1401, a charging interface 1403 is used for charging a power module 1402, a data transmission module 13 is arranged in the handheld receiver 2, the data transmission module 13 is composed of a storage module 1301 and a USB connector 1302, the storage module 1301 is used for storing detection data, a U disk is inserted into the USB connector 1302, a pole tower number, a loop number, a phase and a serial number are sequentially input according to the prompt of the handheld receiver 2 during testing, testing is started after the input is finished, the handheld receiver 2 automatically counts the number of each serial piece according to the measurement result, stores the measurement result in the U disk according to the number of the insulator piece, when the measurement result in the U disk needs to be read, the U disk is inserted into a data receiver end, the data receiver end can list voltage distribution curves of the insulator string, and only the probes of an acquisition unit 5 need to be in contact with metal parts at two ends of the insulator, can show the magnitude of voltage of being surveyed the insulator on handheld receiver 2, reached and made the more convenient effect of insulator on-line measuring, detect transmitter 4 and handheld receiver 2 separation simultaneously, and insulator spindle 1 is the telescopic insulator spindle, and the user is kept away from the insulator and can be detected the insulator, ensures user's personal safety conscientiously.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a novel wireless insulator live test device, includes insulator spindle (1) and handheld receiver (2), its characterized in that: the left end of the insulating rod (1) is fixedly connected with a detection transmitter (4) through a screw assembly (3), an acquisition unit (5) is arranged on the surface of the detection transmitter (4), a processing system (6), an analog-to-digital conversion module (7), a voltage division module (8) and a wireless transmission module (9) are respectively arranged inside the detection transmitter (4), the output end of the acquisition unit (5) is electrically connected with the input end of the voltage division module (8), the output end of the voltage division module (8) is electrically connected with the input end of the analog-to-digital conversion module (7), the output end of the analog-to-digital conversion module (7) is electrically connected with the input end of the processing system (6), and the output end of the processing system (6) is electrically connected with the input end of the wireless transmission module (9);
the handheld receiver is characterized in that a receiving module (10), a second processing system (11), a decoding module (12), a data transmission module (13) and a power supply module (14) are respectively arranged in the handheld receiver (2), the output end of the wireless transmission module (9) is in wireless electrical connection with the input end of the receiving module (10), the output end of the receiving module (10) is in electrical connection with the input end of the second processing system (11), the output end of the second processing system (11) is in electrical connection with the input end of the decoding module (12), the front surface of the handheld receiver (2) is respectively provided with a display unit (15) and an indicator lamp (16), the indicator lamp (16) is positioned below the display unit (15), the output end of the decoding module (12) is in electrical connection with the input end of the display unit (15), and the output end of the power supply module (14) is in electrical connection with the input end of the second processing, and the output end of the second processing system (11) is electrically connected with the input ends of the indicator light (16) and the data transmission module (13) respectively.
2. The novel wireless insulator live-line test device according to claim 1, characterized in that: the screw component (3) comprises a screw (301) and a butterfly nut (302), the screw (301) is fixedly connected to the top of the insulating rod (1), the detection transmitter (4) is movably sleeved on the surface of the screw (301), the bottom of the butterfly nut (302) is movably connected with the top of the detection transmitter (4), and the inner wall of the butterfly nut (302) is in threaded connection with the surface of the screw (301).
3. The novel wireless insulator live-line test device according to claim 1, characterized in that: the processing system I (6) and the processing system II (11) are both AT89S52 single-chip microcomputers.
4. The novel wireless insulator live-line test device according to claim 1, characterized in that: the data transmission module (13) comprises a storage module (1301) and a USB connector (1302), wherein the output end of the storage module (1301) is electrically connected with the input end of the USB connector (1302), and the USB connector (1302) is embedded at the left side of the handheld receiver (2).
5. The novel wireless insulator live-line test device according to claim 1, characterized in that: the power supply module (14) comprises a switch (1401), a power module (1402) and a charging interface (1403), the switch (1401) and the charging interface (1403) are arranged on the front face of the handheld receiver (2), the switch (1401) and the charging interface (1403) are respectively located on the left side and the right side of the indicator lamp (16), and output ends of the switch (1401) and the charging interface (1403) are electrically connected with an input end of the power module (1402).
6. The novel wireless insulator live-line test device according to claim 1, characterized in that: the surface of the handheld receiver (2) is sleeved with a protective sleeve (17), and the protective sleeve (17) is a silica gel sleeve.
7. The novel wireless insulator live-line test device according to claim 6, characterized in that: the surface of protective sheath (17) is fixedly connected with snubber block (18) and arc piece (19) respectively, snubber block (18) are located the inside of arc piece (19), one side that snubber block (18) are close to arc piece (19) and the inner wall fixed connection of arc piece (19), the fixed surface of snubber block (18) is connected with bumper bar (20), one side that snubber block (18) are close to bumper bar (20) is connected with the fixed surface of bumper bar (20).
8. The novel wireless insulator live-line test device according to claim 6, characterized in that: through-hole (21) have been seted up to the back of protective sheath (17), through-hole (21) are the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244993.6A CN111007306A (en) | 2019-12-06 | 2019-12-06 | Novel wireless insulator live test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911244993.6A CN111007306A (en) | 2019-12-06 | 2019-12-06 | Novel wireless insulator live test device |
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| CN111007306A true CN111007306A (en) | 2020-04-14 |
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| US6320396B1 (en) * | 1996-08-07 | 2001-11-20 | Nec Corporation | Parasitic MIM structural spot analysis method for semiconductor device and parasitic MIM structure spot analysis method for silicon semiconductor device |
| CN105510785A (en) * | 2016-01-04 | 2016-04-20 | 国网山东省电力公司烟台供电公司 | Suspension insulator low and zero resistance data wireless measurer |
| CN207528687U (en) * | 2017-12-12 | 2018-06-22 | 国电锅炉压力容器检验中心 | A kind of insulator detection device |
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Application publication date: 20200414 |