CN206557252U - Voltage measurement microneedle devices - Google Patents
Voltage measurement microneedle devices Download PDFInfo
- Publication number
- CN206557252U CN206557252U CN201621395550.9U CN201621395550U CN206557252U CN 206557252 U CN206557252 U CN 206557252U CN 201621395550 U CN201621395550 U CN 201621395550U CN 206557252 U CN206557252 U CN 206557252U
- Authority
- CN
- China
- Prior art keywords
- miniature probe
- voltage measurement
- protection cylinder
- pusher
- microneedle devices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000005259 measurement Methods 0.000 title claims abstract description 70
- 239000000523 sample Substances 0.000 claims abstract description 56
- 210000000038 chest Anatomy 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims description 9
- 206010014357 Electric shock Diseases 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 239000002086 nanomaterial Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of voltage measurement microneedle devices, the device includes：Protection cylinder thorax, pusher, miniature probe and test lead；The pusher is set in inside protection cylinder thorax；The pusher is fixedly connected with miniature probe；Miniature probe does front and rear piston like motion with pusher inside protection cylinder thorax；The miniature probe is the miniature probe being made using CNT；The diameter range of miniature probe is 10 nanometers to 100 nanometers；One end of the test lead is attached by being arranged on the needle stand of pusher afterbody with miniature probe.The utility model is fully achieved on insulated electric conductor " direct " by " the voltage measurement miniature probe being made using carbon nanomaterial " and measures voltage value, and measurement process is safe and efficient and the measurement result degree of accuracy and measurement sensitivity are high.
Description
Technical field
The utility model is related to power engineering e measurement technology, more particularly to a kind of voltage measurement microneedle devices.
Background technology
The measurement operation of voltage and electric current, is operation in power engineering measurement, power science research and power generation work
The most fundamental measurement operation of frequency.The measurement operation of electric current is had been realized in insulated conductor by " split core type current transformer "
Upper " direct " progress current measurement, great convenience is brought to power measurement work.But, at present, the whole world is without which
Instrument can measure voltage on two insulated electric conductors.
For example, false wiring on-line checking method in electric power meter, the real load check in scene, at the scene in electric energy meter
Oppose electricity-stealing etc. in work, often to measure the voltage of electric power meter, be now switched on metering device and measuring equipment
Seal and table cover and protector, these undoubtedly considerably increase the triviality and difficulty of live work about electric power, even more important
It is：Oppose electricity-stealing at the scene and be difficult to the boundary for screening responsibility when collecting evidence, cause stealing evidence court can not be allowed to accept and believe, row of breaking laws and commit crime
For that cannot punish.
For another example, low-voltage distributing line is the insulated conductor used, it is often necessary to measure the voltage between insulated conductor, in order to avoid
Because live wire and zero line make a mistake and caused by major accident, or because voltage swing is unknown cause the non-normal use of electric power.But
It is that the voltage that current voltmeter wants to measure insulated conductor is impossible.
For another example, in power science research, it is often necessary to measure the voltage between insulated electric conductor, it is often necessary to pass through instrument instrument
Table measures voltage value to determine electrical power, electric work, (maximum) requirement, electric flux etc., current power measurement technical merit
Do not accomplish " voltage is measured between insulated electric conductor ".
For another example, the measurement of voltage is always the blind area of power engineering measurement, current electric power between power cable inner lead
E measurement technology level is too far behind to catch up.
The utility model is fully achieved in insulation by " the voltage measurement miniature probe being made using carbon nanomaterial "
" direct " measures voltage value on conductor.
Utility model content
The technical problems to be solved in the utility model is that there is provided one for defect present in existing power measurement technology
Plant voltage measurement microneedle devices.
The utility model solves the technical scheme that its technical problem used：A kind of voltage measurement microneedle devices, including：
Protection cylinder thorax, pusher, miniature probe and test lead；
The pusher is set in inside protection cylinder thorax；
The pusher is fixedly connected with miniature probe；Before miniature probe is done with pusher inside protection cylinder thorax
Piston like motion afterwards；
The miniature probe is the miniature probe being made using CNT；The diameter range of miniature probe be 10 nanometers extremely
100 nanometers；
One end of the test lead is connected by needle stand with miniature probe.
By such scheme, the voltage measurement microneedle devices also include being used to promote pusher can be certainly after external force is removed
The dynamic return spring bounced back in protection cylinder thorax, the return spring is placed in protection cylinder thorax.
By such scheme, the pusher includes push rod, needle stand and cut somebody's hair；Whole miniature probe be placed in in push rod
The heart, cuts somebody's hair and is fixed on push rod end.
By such scheme, the front end of the protection cylinder thorax is provided with needle outlet.
By such scheme, the front end of the protection cylinder thorax stretches out provided with protection tube, and the protection tube is flexibility
Insulating sheath.
By such scheme, the front end of the protection cylinder thorax is cylinder or conical structure.
By such scheme, the voltage measurement microneedle devices also include powered indicator lamp, and the powered indicator lamp is miniature
Probe lights when touching the interior metal of insulated electric conductor, and powered indicator lamp is luminous to represent that miniature probe is in test mode and police
Show Danger Electric shock risk.
By such scheme, the other end of the test lead is placed in outside protection cylinder thorax.
By such scheme, the test lead is placed in outside protection cylinder thorax.
By such scheme, the other end of the test lead is connected with test lock pin.
By such scheme, the test lock pin and voltmeter, power meter, electric energy meter, phase voltammetric meter, power-factor meter,
The measuring instrument such as phase-sequence meter instrument is connected, and realizes the measurement of multiple electrical quantities including voltage.
The utility model produce beneficial effect be：
1) degree of accuracy of measurement is high：CNT has very high mechanical strength and elasticity in mechanical aspects, in electronics
There are excellent conductor characteristics in terms of.Using these characteristics, voltage measurement micropin can easily directly with inside insulating barrier
Bare conductor be in close contact, it is ensured that be connected with the good electrical of measured conductor, so as to ensure that the contact of measuring loop is electric
Resistance is minimum.
What is utilized due to the utility model is the voltage measurement probe that is made up of CNT, and voltage measurement probe is in itself
Resistance RItselfWith probe and the contact resistance R of measured bare conductorContactIt is significantly smaller than the interior resistance R of voltage measurement circuit in itselfV, with
Resistance value very big RVCompare, RItselfAnd RContactIt can be neglected, therefore the degree of accuracy of measurement can be greatly improved during measurement.
2) sensitivity of measurement is improved：Because the current-responsive of CNT is fast, current density sensitive to low current
Greatly, therefore the sensitivity of measurement can be greatly improved.
3) it ensure that the security of measurement：Unique knot with the high insulation flexible sleeve pipe of electrical insulation strength and protection cylinder thorax
Structure design, when measuring voltage, how long just the length of miniature probe need how long to stretch out stretching, and miniature probe enters immediately after stretching out
Inside the insulating barrier for entering tested insulated electric conductor, i.e., miniature probe in whole measurement process need not it is exposed protection cylinder thorax, absolutely
Outside edge sleeve pipe and measured conductor insulating barrier, it is ensured that the electrical safety of survey crew；The retractable capable of preventing hand from injury of miniature probe is set
Meter, measurement finishes rear probe can be in automatic retracted to protection cylinder thorax, it is ensured that survey crew is not scratched when operating by probe.The present apparatus
On design construction, " Blind Test " and " point is surveyed " and electrical/mechanical double shielding are fully achieved, it is ensured that electric measurement abampere
It is complete and eliminate the possibility scratched by probe.
4) it is laborsaving when measuring：Due to the diameter only tens nanometer of CNT, its intensity is 10 times of steel, therefore in voltage
Miniature probe easily enters inside any insulating barrier during measurement, very laborsaving.
5) production cost is low：With the extensive use of nano material, its production cost is more and more lower, and price has dropped,
And miniature probe is seldom to the consumption of nano material.
6) AC and DC is dual-purpose：The present apparatus can realize the measurement of alternating voltage, DC voltage.
7) high and low pressure is measurable：The voltage measurement intensity of the present apparatus is high, and high voltage and low-voltage are measurable.
8) the not insulating barrier of Damage to insulation conductor in measurement process：Minimum only several nanometers of the diameter of CNT is received to tens of
Rice.The voltage measurement micropin being made using CNT can not Damage to insulation layer and enter bare conductor surface, measurement is finished
Extract after voltage measurement micropin, also will not cause any harm or leave any pin hole vestige to insulating layer material.
9) resistance of miniature probe in itself is minimum：It is general very small by the electric current of measuring loop during voltage measurement
(otherwise can draw larger measurement error), and the diameter of CNT only tens nanometer but its current density is up to more than the 100 of copper
Times, can as super tolerance high current density material, therefore voltage measurement micropin measurement voltage course in resistance pole
It is small, it will not also cause heating problem even if long-time measurement.
10) test lead is durable in use：Test lead is made of the soft pure copper wire of multiply, and jacket insulation layer is strong using insulation
The good insulating materials of the high softness of degree is made, and mechanical resistance folding and electric insulation and excessively stream performance are fabulous.
11) Lantern test lock pin function admirable：Fine copper lantern lock pin with safety protecting cover, not only mechanically and electrically connects
Function admirable is touched, and its electrical safety performance is also ensured completely.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the accessory schematic diagram of the utility model embodiment；
Fig. 3 is the structural representation of the utility model embodiment.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is described in further detail.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of voltage measurement microneedle devices, including：Protection cylinder thorax 2, test lead 4, pusher
3 and miniature probe 1；
Pusher 3 is set in inside protection cylinder thorax 2；The front end 21 of protection cylinder thorax is cylinder or conical structure, is prevented
The front end face center of casing thorax is provided with needle outlet, and the leading head of protection cylinder thorax stretches out setting protection tube, described anti-
Protecting pipe is flexible insulation sheath；
Pusher 3 includes push rod, cut somebody's hair 32 and needle stand 31；Whole miniature probe is placed on the needle stand being connected with push rod,
Cut somebody's hair and be fixed on push rod end, miniature probe stretches out appropriate length to be convenient for measuring from the front end 21 of protection cylinder thorax.It is described to push
Device is fixedly connected with miniature probe；Miniature probe does front and rear piston like motion with pusher inside protection cylinder thorax；
Miniature probe is the miniature probe being made using CNT；The diameter range of miniature probe is 10 nanometers to 100
Nanometer；
As shown in figure 3, the other end of test lead 4 is connected with test lock pin 6.
When the measurement such as test lock pin 6 and voltmeter, power meter, electric energy meter, phase voltammetric meter, power-factor meter, phase-sequence meter
When instrument and meter is connected, the measurement of multiple electrical quantities including voltage can be realized.
In order to strengthen ease for use and security, allow in miniature probe automatic retracted to protection cylinder thorax, the voltage measurement is micro-
Needle device also includes being used to promote the return spring 22 that pusher can be bounced back to after external force is removed in protection cylinder thorax, described time
Power spring is placed in protection cylinder thorax.
As long as the pusher of the application can meet function, its way of realization of Without wishing, disclosed herein a kind of common pushes away
Send device：Including push rod, cut somebody's hair and needle stand；Whole miniature probe is placed in push rod center, cuts somebody's hair and is fixed on push rod end.
In order to confirm whether miniature probe touches the metallic object inside insulated electric conductor, voltage measurement microneedle devices also include
Powered indicator lamp 5, the powered indicator lamp lights when miniature probe touches the interior metal of insulated electric conductor, powered indicator lamp
It is luminous to represent that miniature probe is in test mode and warns Danger Electric shock risk.
During using the present apparatus, test lock pin 6 and voltmeter, power meter, electric energy meter, phase voltammetric meter, power-factor meter, phase
The measuring instrument such as sequence table instrument is connected, and realizes the measurement of multiple electrical quantities including voltage, to prevent from getting an electric shock, and is also test
Lock pin 6, which is matched somebody with somebody, is arranged with safety protecting cover 7.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
The making material of miniature probe is such as substituted for the material of high strength copper alloy or other similar performances, and all these improvement and
Conversion should all belong to the protection domain of the utility model appended claims.
Claims (10)
1. a kind of voltage measurement microneedle devices, it is characterised in that including：Protection cylinder thorax, pusher, miniature probe and test are led
Line；
The pusher is set in inside protection cylinder thorax；
The pusher is fixedly connected with miniature probe；Miniature probe does front and rear work with pusher inside protection cylinder thorax
Plug is moved；
The miniature probe is the miniature probe being made using CNT；The diameter range of miniature probe is 10 nanometers to 100
Nanometer；
One end of the test lead is attached by the needle stand of pusher with miniature probe.
2. voltage measurement microneedle devices according to claim 1, it is characterised in that the voltage measurement microneedle devices are also wrapped
Include the return spring for promoting pusher after external force is removed inside energy automatic retracted to protection cylinder thorax, the return spring
It is placed in protection cylinder thorax.
3. voltage measurement microneedle devices according to claim 1, it is characterised in that the pusher includes push rod, pushed away
Head and needle stand；Whole miniature probe is placed in push rod center, cuts somebody's hair and is fixed on push rod end.
4. voltage measurement microneedle devices according to claim 1, it is characterised in that the front center of the protection cylinder thorax is set
It is equipped with needle outlet.
5. voltage measurement microneedle devices according to claim 1, it is characterised in that the leading head of the protection cylinder thorax to
Outer extension is provided with protection tube, and the protection tube is flexible insulation sheath.
6. voltage measurement microneedle devices according to claim 1, it is characterised in that the front end of the protection cylinder thorax is cylinder
Or conical structure.
7. voltage measurement microneedle devices according to claim 1, it is characterised in that the voltage measurement microneedle devices are also wrapped
Powered indicator lamp is included, the powered indicator lamp lights when miniature probe touches the interior metal body of insulated electric conductor, powered to refer to
Show that lamp is luminous and represent that miniature probe is in test mode and warns Danger Electric shock risk.
8. voltage measurement microneedle devices according to claim 1, it is characterised in that the test lead is placed in protection cylinder thorax
Outside；The other end of test lead is connected with test lock pin.
9. voltage measurement microneedle devices according to claim 1, it is characterised in that the other end of the test lead is placed in
Outside protection cylinder thorax.
10. voltage measurement microneedle devices according to claim 8, it is characterised in that described to be connected with test lead
Test lock pin and measuring instrument including voltmeter, power meter, electric energy meter, phase voltammetric meter, power-factor meter, phase-sequence meter
Instruments and meters is connected, and realizes the measurement of multiple electrical quantities including voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395550.9U CN206557252U (en) | 2016-12-19 | 2016-12-19 | Voltage measurement microneedle devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621395550.9U CN206557252U (en) | 2016-12-19 | 2016-12-19 | Voltage measurement microneedle devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206557252U true CN206557252U (en) | 2017-10-13 |
Family
ID=60358547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621395550.9U Withdrawn - After Issue CN206557252U (en) | 2016-12-19 | 2016-12-19 | Voltage measurement microneedle devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206557252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706973A (en) * | 2016-12-19 | 2017-05-24 | 国家电网公司 | Voltage measurement micro-needle device |
-
2016
- 2016-12-19 CN CN201621395550.9U patent/CN206557252U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706973A (en) * | 2016-12-19 | 2017-05-24 | 国家电网公司 | Voltage measurement micro-needle device |
| CN106706973B (en) * | 2016-12-19 | 2018-10-30 | 国家电网公司 | A kind of voltage measurement microneedle devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171013 Effective date of abandoning: 20181030 |
|
| AV01 | Patent right actively abandoned |