CN208596201U - A kind of portable supersonic shelf depreciation inspection device - Google Patents
A kind of portable supersonic shelf depreciation inspection device Download PDFInfo
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- CN208596201U CN208596201U CN201821045425.4U CN201821045425U CN208596201U CN 208596201 U CN208596201 U CN 208596201U CN 201821045425 U CN201821045425 U CN 201821045425U CN 208596201 U CN208596201 U CN 208596201U
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Abstract
The utility model provides a kind of portable supersonic shelf depreciation inspection device, including poly- wave device, poly- wave device mounting seat, ultrasonic sensor, ultrasonic preamplification board, Metal shielding shell, laser emitter, handle, interface card and rear panel；Poly- wave device is connected with poly- wave device mounting seat, and metal material has two holes, is respectively embedded into ultrasonic sensor and Laser emission transmissive mirror, directional reception type local-discharge ultrasonic signal and transmission laser ray；Ultrasonic preamplification board is fixed in poly- wave device mounting seat, is received the electric signal of ultrasonic sensor and is amplified, and has a circular hole and Laser emission transmissive mirror coaxially to wait on plate big；Metal shielding shell and poly- wave device mounting seat cooperate, and form shielding protection layer to ultrasonic preamplification board, have a circular hole and Laser emission transmissive mirror coaxially to wait in poly- wave device mounting seat big.A kind of portable supersonic shelf depreciation inspection device provided by the utility model, it is small in size, light-weight, easy to carry, it is securely and reliably, time saving and energy saving.
Description
Technical field
The utility model relates to a kind of device and methods of substation equipment Partial Discharge Detection, belong to high-voltage electrical apparatus and set
Standby fault detection and positioning field.
Background technique
Common electrical equipment partial discharge failure generally has: corona, electric arc and electric trace.Corona and the electric trace at initial stage will not produce
Heat amount, and high ambient temperature can also cover up these phenomenons, can not be detected with daily thermal infrared imager, but it can be generated
Ultrasonic signal can be detected at a distance with ultrasonic wave electric apparatus local discharge logging；Electric arc and serious electric trace
High heat can be also generated while generating ultrasonic wave, therefore can be carried out testing with infrared and ultrasonic wave method；But work as
When partial discharge is occurred inside equipment, it can not then be found with infrared method, be existed with ultrasonic wave electric apparatus local discharge logging
It can be detected at the surface of electrical equipment or faying face.Existing Partial Discharge Detection mode, in order to which precise measurement needs sometimes
Multiple sensors are wanted to cooperate, neither Portable belt makes live complex circuit again；Partial discharge inspection especially is carried out to outdoor transformer equipment
When survey, staff must ascend a height and place sensor, seriously threaten personal safety, time-consuming and laborious.
Utility model content
The method of electrical equipment partial discharge detection has very much, such as: pulse current method, DGA method, ultrasonic Detection Method, RIV
Method, flash spotting, radio frequency detection method and chemical method etc..Various detection methods have his own strong points, but in comparison ultrasound examination
Method simplicity is easy-to-use, is very suitable to everyday devices point inspection, grasps the operation conditions of electrical equipment in real time.
The purpose of the utility model is to provide a kind of portable supersonic shelf depreciation inspection devices.
A kind of portable supersonic shelf depreciation inspection device, it is characterised in that: install bottom including poly- wave device, poly- wave device
Seat, ultrasonic sensor, ultrasonic preamplification board, Metal shielding shell, laser emitter, handle, interface card and rear panel；
The poly- wave device is connected with poly- wave device mounting seat and poly- wave device mounting seat is metal material, and the poly- wave device mounting seat has
Two holes, for being respectively embedded into ultrasonic sensor and Laser emission transmissive mirror, directional reception type local-discharge ultrasonic signal and transmission laser are penetrated
Line；The ultrasound preamplification board is fixed in poly- wave device mounting seat, is received the electric signal of ultrasonic sensor and is amplified,
There are a circular hole and Laser emission transmissive mirror coaxially to wait on the ultrasound preamplification board big；The Metal shielding shell and poly- wave device
Mounting seat cooperation forms shielding protection layer to ultrasonic preamplification board, has a circular hole and laser to send out in poly- wave device mounting seat
It is coaxially equal big to penetrate transmissive mirror；Laser emitter is located on rear side of poly- wave device mounting seat, and transmitting light is put before passing sequentially through ultrasound
Circular hole, poly- wave device mounting seat and transmissive mirror on big plate；Handle is located at Metal shielding shell lower surface, the rechargeable battery in handle
It is connect by conducting wire with ultrasonic preamplification board and interface card；Interface card is in the last of complete machine and in interface card
There are Metal shielding shell and rear panel cladding outside.
Further, poly- wave device, poly- wave device mounting seat and ultrasonic sensor cooperation, concentrate orientation, receive shelf depreciation
The ultrasonic wave of the dispersion angle of generation.
Further, the accurate positioning to abort situation is realized in ultrasonic sensor and laser detector cooperation.
Further, poly- wave device flare, when use, guarantee that it receives that end face is directed straight ahead, and parabolic reflector is simultaneously
The ultrasonic wave for the dispersion angle for concentrating directed local electric discharge to generate.
The utility model has the following beneficial effects:
The device volume is small, light-weight, easy to carry, and a people can be operated, and using cordless, is not necessarily to staff
It ascends a height, it is securely and reliably, time saving and energy saving, improve working efficiency；Event can be achieved in high brightness laser transmitter and ultrasonic sensor cooperation
Hinder point location；The abnormal ultrasonic signal that detector is detected is converted to audible sinusoidal signal and analog waveform, according to sound
Strength of discharge can be clearly differentiated with waveform.
Detailed description of the invention
Fig. 1 is the right pseudosection of the utility model；
Fig. 2 is the 3 dimensional drawing of the utility model；
The appended drawing reference table of comparisons:
It is put before the poly- wave device of 1-, the poly- wave device mounting seat of 2-, 3- ultrasonic sensor, 4- Laser emission transmissive mirror, 5- ultrasound
Big plate, 6- Metal shielding shell, 7- laser emitter, 8- interface card, 9- rear panel, 10- handle.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings, and specific embodiment one adopts the following technical scheme that
Such as attached drawing 1,2, a kind of portable supersonic shelf depreciation inspection device, it is characterised in that: including poly- wave device 1, gather
Wave device mounting seat 2, ultrasonic preamplification board 5, Metal shielding shell 6, laser emitter 7, handle 10, connects ultrasonic sensor 3
Interface circuit board 8 and rear panel 9；The poly- wave device 1 is connected with poly- wave device mounting seat 2 and poly- wave device mounting seat 2 is metal material
Matter, the poly- wave device mounting seat 2 have two holes, and for being respectively embedded into ultrasonic sensor 3 and Laser emission transmissive mirror 4, orientation is connect
Receive type local-discharge ultrasonic signal and transmission laser ray；The ultrasound preamplification board 5 is fixed in poly- wave device mounting seat 2, is received
The electric signal of ultrasonic sensor 3 is simultaneously amplified, and has a circular hole and Laser emission transmissive mirror 4 on the ultrasound preamplification board 5
It is coaxial to wait greatly；The Metal shielding shell 6 cooperates with poly- wave device mounting seat 2, forms shielding protection to ultrasonic preamplification board 5
Layer, there is a circular hole coaxial equal big with Laser emission transmissive mirror 4 in poly- wave device mounting seat 2；Laser emitter 7 is located at poly- wave device peace
2 rear side of pedestal is filled, transmitting light passes sequentially through circular hole on ultrasonic preamplification board 5, poly- wave device mounting seat 2 and transmissive mirror；Hand
Handle 10 is located at 6 lower surface of Metal shielding shell, and the rechargeable battery in handle 10 preamplification board 5 and is connect by conducting wire and ultrasound
Interface circuit board 8 connects；Interface card 8 is in the last of complete machine and has outside interface card 8 Metal shielding shell 6 and rear panel
9 claddings.
Specific embodiment two, present embodiment be to shelf depreciation inspection device described in specific embodiment one into
One step explanation, rear panel are metal surface pad pasting, have battery capacity indication lamp and battery capacity indication switch, charging interface and charging
Indicator light, signal output interface, earphone interface, power switch and power supply indicator.
Specific embodiment three, present embodiment be to shelf depreciation inspection device described in specific embodiment one into
One step explanation, device have multiple external tappings such as earphone interface, simulation output interface, charging interface simultaneously.Earphone interface is used for sound
The output of frequency signal, it is therefore prevented that the interference of external sound to testing staff；Simulation output interface achievement connects portable partial discharge and patrols
Examine instrument；Charging interface is used for grafting charger.
Specific embodiment four, present embodiment be to shelf depreciation inspection device described in specific embodiment one into
One step explanation, device internal battery power supply, is not necessarily to external power supply.
The foregoing is merely the preferred embodiment of the utility model patent, it is not intended to limit the utility model specially
Benefit, all made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of the utility model patent should all include
Within the protection scope of the utility model patent.
Claims (4)
1. a kind of portable supersonic shelf depreciation inspection device, it is characterised in that: including poly- wave device, poly- wave device mounting seat,
Ultrasonic sensor, ultrasonic preamplification board, Metal shielding shell, laser emitter, handle, interface card and rear panel；Institute
It states poly- wave device to be connected with poly- wave device mounting seat, and poly- wave device mounting seat is metal material, the poly- wave device mounting seat has
Two holes, for being respectively embedded into ultrasonic sensor and Laser emission transmissive mirror, directional reception type local-discharge ultrasonic signal and transmission laser are penetrated
Line；The ultrasound preamplification board is fixed in poly- wave device mounting seat, is received the electric signal of ultrasonic sensor and is amplified,
There are a circular hole and Laser emission transmissive mirror coaxially to wait on the ultrasound preamplification board big；The Metal shielding shell and poly- wave device
Mounting seat cooperation forms shielding protection layer to ultrasonic preamplification board, has a circular hole and laser to send out in poly- wave device mounting seat
It is coaxially equal big to penetrate transmissive mirror；Laser emitter is located on rear side of poly- wave device mounting seat, and transmitting light is put before passing sequentially through ultrasound
Circular hole, poly- wave device mounting seat and transmissive mirror on big plate；Handle is located at Metal shielding shell lower surface, the rechargeable battery in handle
It is connect by conducting wire with ultrasonic preamplification board and interface card；Interface card is in complete machine finally, and in interface circuit
There are Metal shielding shell and rear panel cladding outside plate.
2. a kind of portable supersonic shelf depreciation inspection device according to claim 1, it is characterised in that: the poly- wave
Device, poly- wave device mounting seat and ultrasonic sensor cooperation, the ultrasound concentrated orientation, receive the dispersion angle that shelf depreciation generates
Wave.
3. a kind of portable supersonic shelf depreciation inspection device according to claim 1, it is characterised in that: the ultrasound
The accurate positioning to abort situation is realized in sensor and laser detector cooperation.
4. a kind of portable supersonic shelf depreciation inspection device according to claim 1, it is characterised in that: the poly- wave
Device flare, when use, guarantee that it receives that end face is directed straight ahead, and parabolic reflector simultaneously concentrates directed local electric discharge to generate
Dispersion angle ultrasonic wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045425.4U CN208596201U (en) | 2018-07-03 | 2018-07-03 | A kind of portable supersonic shelf depreciation inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821045425.4U CN208596201U (en) | 2018-07-03 | 2018-07-03 | A kind of portable supersonic shelf depreciation inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596201U true CN208596201U (en) | 2019-03-12 |
Family
ID=65602313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821045425.4U Active CN208596201U (en) | 2018-07-03 | 2018-07-03 | A kind of portable supersonic shelf depreciation inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596201U (en) |
-
2018
- 2018-07-03 CN CN201821045425.4U patent/CN208596201U/en active Active
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