CN107576837A - A kind of generator shaft voltage measuring apparatus - Google Patents
A kind of generator shaft voltage measuring apparatus Download PDFInfo
- Publication number
- CN107576837A CN107576837A CN201710604675.0A CN201710604675A CN107576837A CN 107576837 A CN107576837 A CN 107576837A CN 201710604675 A CN201710604675 A CN 201710604675A CN 107576837 A CN107576837 A CN 107576837A
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- CN
- China
- Prior art keywords
- main body
- carbon brush
- described device
- voltage measuring
- device main
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 39
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The invention discloses a kind of generator shaft voltage measuring apparatus, including protecting cover and apparatus main body, digital multimeter component is provided with described device main body, the protecting cover is fastened on the top of apparatus main body, and protecting cover and apparatus main body are disposed as cylindrical tube shape, the side of described device main body is provided with control button, universal meter display screen is provided with the right side of the control button, and measurement socket is provided with below universal meter display screen, the tail end of described device main body is provided with bonnet, and bonnet is threadedly secured on apparatus main body, the top of described device main body is provided with carbon brush head, and it is provided with LED lamp holder in the middle part of carbon brush head, carbon brush is provided with the top of the carbon brush head.The present invention is rational in infrastructure, and LED lamp holder is provided with the top of carbon brush can provide illumination use, and electromagnetic interference metal level is provided with inwall has anti-electromagnetic interference capability, makes the measured value in generator field accurate.
Description
Technical field
The present invention relates to generator detection device field, specifically a kind of generator shaft voltage measuring apparatus.
Background technology
Generator shaft voltage refers in generator operation, caused voltage between dynamo bearing and rotating shaft.Periodically
Measurement to generator shaft voltage is to ensure the important process of generator normal operation, and engine block is uneven due to stator field
Weighing apparatus, when the reason such as non-uniform air-gap, electrostatic causes that voltage is increased to certain numerical value on the big axle of generating set between rotor, if
The measure of control survey is not taken in operation, when numerical value is enough to puncture the oil film between axle and bearing, will puncture oil film
Electric discharge, form shaft current and produce loop, shaft current can cause lubricating oil to gradually degrade, and severe patient can burn bearing shell, cause machine
Group accidental shutdown.Existing metering system：The insulated handle of carbon brush is carried with a front end（Industry code requirements insulated handle is grown
Degree is not less than 300mm）, carbon brush is contacted with the big axle that generator rotates, then measures the electric over the ground of carbon brush with a universal meter
Pressure.This survey tool is simple and crude, unsightly, is also inconvenient to carry.
The content of the invention
It is an object of the invention to provide a kind of generator shaft voltage measuring apparatus, to solve the problems of the prior art.
To achieve the above object, the present invention provides following technical scheme：
A kind of generator shaft voltage measuring apparatus, including protecting cover and apparatus main body, digital versatile is provided with described device main body
Table component, the protecting cover is fastened on the top of apparatus main body, and protecting cover and apparatus main body are disposed as cylindrical tube shape, described device
The side of main body is provided with control button, and universal meter display screen, and universal meter display screen are provided with the right side of the control button
Lower section be provided with measurement socket, the tail end of described device main body is provided with bonnet, and bonnet is threadedly secured to device master
On body, the top of described device main body is provided with carbon brush head, and LED lamp holder is provided with the middle part of carbon brush head, the carbon brush head
Top is provided with carbon brush, and carbon brush head is provided with splash guard with apparatus main body joint face.
Further, the outer surface of described device main body is provided with adsorption magnet, and magnetic is provided with the top of the protecting cover
Paster.
Further, clasp is provided with the side of the protecting cover and apparatus main body, and on protecting cover and apparatus main body
Clasp is connected by cord.
Further, described device main body is internally provided with internal battery, and the main body of apparatus main body is flame-resistant insulation
Material, the interior surface of described device main body are provided with electromagnetic interference metal level.
Further, the lower end outer surface of described device main body is provided with proof rubber hand pad.
Further, the LED lamp holder passes through splash guard, and anti-flaming sealing gasket is provided between LED lamp holder and splash guard,
The outside of the LED lamp holder is provided with thermal insulation protective cover.
Further, the splash guard is high pressure resistant flame-retardant board.
Further, covered after described and be provided with ground wire fairlead, and be grounded through ground wire fairlead and internal circuit
Plate connects.
Further, buckle is provided with the side of described device main body, and lanyard is provided with buckle.
Further, the carbon brush overhead is the arc to lower recess, and the outside of carbon brush head is arch arcuation.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is rational in infrastructure, by carbon brush, handle and universal meter
Equipment is accommodated on apparatus main body, and more convenient in use, operation is simpler, and LED is provided with the top of carbon brush
Lamp holder can provide illumination and use, and electromagnetic interference metal level is provided with inwall has anti-electromagnetic interference capability, makes generating electricity
Measured value is accurate in machine magnetic field.
Brief description of the drawings
Fig. 1 is a kind of structural representation of generator shaft voltage measuring apparatus of the present invention.
Fig. 2 is a kind of stereogram of generator shaft voltage measuring apparatus of the present invention.
Fig. 3 is a kind of front view one of generator shaft voltage measuring apparatus of the present invention.
Fig. 4 is a kind of front view two of generator shaft voltage measuring apparatus of the present invention.
Fig. 5 is a kind of top view of generator shaft voltage measuring apparatus carbon brush head of the present invention.
In figure：1st, protecting cover；11st, magnetic paster；2nd, carbon brush head；21st, carbon brush；3rd, control button；4th, digital multimeter is shown
Screen；5th, bonnet；51st, internal battery；6th, apparatus main body；61st, LED lamp holder；62nd, splash guard；7th, socket is measured；8th, cord；9th, inhale
Attached magnet；10th, buckle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~5, in the embodiment of the present invention, a kind of generator shaft voltage measuring apparatus, including protecting cover 1 and device
Main body 6, digital multimeter component is provided with described device main body 6, corresponding number can be measured by digital multimeter component
According to the protecting cover 1 is fastened on the top of apparatus main body 6, and protecting cover 1 and apparatus main body 6 are disposed as cylindrical tube shape and be easy to carry
And fastening, the side of described device main body 6 are provided with control button 3, the right side of the control button 3 is provided with universal meter and shown
Screen 4, and the lower section of universal meter display screen 4 is provided with measurement socket 7, as needed in probe, the dress corresponding to insertion above
The tail end for putting main body 6 is provided with bonnet 5, and bonnet 5 is threadedly secured on apparatus main body 6 and dismantles more convenient, the dress
The top for putting main body 6 is provided with carbon brush first 2, and the middle part of carbon brush first 2 is provided with LED lamp holder 61, and the top of the carbon brush first 2 is set
Carbon brush 21 is equipped with, and the joint face of carbon brush first 2 and apparatus main body 6 is provided with splash guard 62, avoids front end leak in measurement process
Cause device damage.
The outer surface of described device main body 6 is provided with adsorption magnet 9, and the top of the protecting cover 1 is provided with magnetic paster 11,
Coordinate the storage for facilitating protecting cover 1 in use by adsorption magnet 9 and magnetic paster 11, avoid protecting cover 1 during use
Initiation accident is waved, clasp is provided with the side of the protecting cover 1 and apparatus main body 6, and on protecting cover 1 and apparatus main body 6
Clasp is connected by cord 8, and described device main body 6 is internally provided with internal battery 51, and internal battery 51 can change raising
Endurance, directly battery is taken out when electric power of equipment deficiency and changed, and the main body of apparatus main body 6 is flame-resistant insulation material
Matter, the interior surface of described device main body 6 are provided with electromagnetic interference metal level, and the lower end outer surface of described device main body 6 is set
There is proof rubber hand pad, be easy to hold and use for a long time, the LED lamp holder 61 passes through splash guard 62, and LED lamp holder 61 is with preventing
Anti-flaming sealing gasket is provided between water plate 62, the outside of the LED lamp holder 61 is provided with thermal insulation protective cover, and the splash guard 62 is
High pressure resistant flame-retardant board, ground wire fairlead is provided with the bonnet 5, and is grounded through ground wire fairlead and internal circuit board and connects
Connect, buckle 10 is provided with the side of described device main body 6, and lanyard is provided with buckle 10, first 21 top of carbon brush is
To the arc of lower recess, and the outside of carbon brush first 21 is arch arcuation, and carbon brush first 21 is an entirety, and Resisting fractre, contact surface is big,
Contact is good, and contact resistance is small, ensures that measured value is accurate.
The course of work of the present embodiment：
1）The measurement apparatus cylindrical tube shape that carbon brush, handle, universal meter are integrated is easy to carry and held；
2）Test pencil is not measured, it is elegant in appearance, it is by device front end carbon brush during measurement（Either private wiper）Contact generator
Rotating shaft, the rear end of gripping device main body 6, a wire is housed on bonnet 5, for being grounded, there is wire clamp on the head of wire, side
Just it is clipped on grounding body, wire can be accommodated in inside device, just as the power line of dust catcher；
3）First 2 middle part of carbon brush and the junction of apparatus main body 6 are provided with LED lamp holder 61, illumination during use can be provided；
4）The alternating voltage measured by adding memory chip energy numerical monitor in universal meter electronic building brick internally, Ke Yicha
Ask measured value；
5）The inwall of apparatus main body 6 is provided with electromagnetic interference metal level, there is anti-electromagnetic interference capability, make in generator field
Middle measured value is accurate；
6）There are buckle 10 and lanyard on device, be convenient for carrying, the carbon brush first 2 of front end can be changed, and have protecting cover 1 to cover, the used time
Remove, there is cord 8 to be connected between protecting cover 1 and apparatus main body 6, prevent from losing.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of generator shaft voltage measuring apparatus, including protecting cover and apparatus main body, numeral ten thousand is provided with described device main body
With table component, it is characterised in that the protecting cover is fastened on the top of apparatus main body, and protecting cover and apparatus main body are disposed as cylinder
Tubular, the side of described device main body are provided with control button, universal meter display screen are provided with the right side of the control button, and
Measurement socket is provided with below universal meter display screen, the tail end of described device main body is provided with bonnet, and bonnet passes through screw thread
It is fixed on apparatus main body, the top of described device main body is provided with carbon brush head, and is provided with LED lamp holder in the middle part of carbon brush head,
Carbon brush is provided with the top of the carbon brush head, and carbon brush head is provided with splash guard with apparatus main body joint face.
2. a kind of generator shaft voltage measuring apparatus according to claim 1, it is characterised in that outside described device main body
Surface is provided with adsorption magnet, and magnetic paster is provided with the top of the protecting cover.
A kind of 3. generator shaft voltage measuring apparatus according to claim 2, it is characterised in that protecting cover and the device master
Clasp is provided with the side of body, and protecting cover is connected with the clasp on apparatus main body by cord.
A kind of 4. generator shaft voltage measuring apparatus according to claim 1, it is characterised in that described device main body it is interior
Portion is provided with internal battery, and the main body of apparatus main body is flame-resistant insulation material, and the interior surface of described device main body is provided with
Electromagnetic interference metal level.
5. a kind of generator shaft voltage measuring apparatus according to claim 1, it is characterised in that under described device main body
End outer surface is provided with proof rubber hand pad.
6. a kind of generator shaft voltage measuring apparatus according to claim 1, it is characterised in that the LED lamp holder passes through
Splash guard, and anti-flaming sealing gasket is provided between LED lamp holder and splash guard, the outside of the LED lamp holder is provided with thermal insulation protection
Cover.
7. a kind of generator shaft voltage measuring apparatus according to claim 1 or 6, it is characterised in that the splash guard is
High pressure resistant flame-retardant board.
8. a kind of generator shaft voltage measuring apparatus according to claim 1, it is characterised in that cover and be provided with after described
Ground wire fairlead, and ground wire is connected through ground wire fairlead with internal circuit board.
A kind of 9. generator shaft voltage measuring apparatus according to claim 1, it is characterised in that the side of described device main body
Buckle is provided with face, and lanyard is provided with buckle.
A kind of 10. generator shaft voltage measuring apparatus according to claim 1, it is characterised in that the carbon brush overhead
For to the arc of lower recess, and the outside of carbon brush head is arch arcuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710604675.0A CN107576837A (en) | 2017-07-24 | 2017-07-24 | A kind of generator shaft voltage measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710604675.0A CN107576837A (en) | 2017-07-24 | 2017-07-24 | A kind of generator shaft voltage measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107576837A true CN107576837A (en) | 2018-01-12 |
Family
ID=61033969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710604675.0A Pending CN107576837A (en) | 2017-07-24 | 2017-07-24 | A kind of generator shaft voltage measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576837A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687342A (en) * | 2019-09-23 | 2020-01-14 | 大唐陕西发电有限公司西安热电厂 | Generator shaft voltage measuring tool |
| CN116223879A (en) * | 2023-01-10 | 2023-06-06 | 湖北清江水电开发有限责任公司 | Novel shaft voltage measuring tool universally applicable to hydraulic generator |
-
2017
- 2017-07-24 CN CN201710604675.0A patent/CN107576837A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687342A (en) * | 2019-09-23 | 2020-01-14 | 大唐陕西发电有限公司西安热电厂 | Generator shaft voltage measuring tool |
| CN116223879A (en) * | 2023-01-10 | 2023-06-06 | 湖北清江水电开发有限责任公司 | Novel shaft voltage measuring tool universally applicable to hydraulic generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180112 |