CN109239439A - A kind of embedded-type electric pressure sensor - Google Patents
A kind of embedded-type electric pressure sensor Download PDFInfo
- Publication number
- CN109239439A CN109239439A CN201811202481.9A CN201811202481A CN109239439A CN 109239439 A CN109239439 A CN 109239439A CN 201811202481 A CN201811202481 A CN 201811202481A CN 109239439 A CN109239439 A CN 109239439A
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- Prior art keywords
- embedded
- voltage
- type electric
- pressure sensor
- electric pressure
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- 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.)
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- 238000009826 distribution Methods 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000009987 spinning Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005350 ferromagnetic resonance Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
-
- 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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
- G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A kind of embedded-type electric pressure sensor, the embedded-type electric pressure sensor include power assistant spring, high-voltage bleeder, high-tension shielding cover, low pressure shielding case and embedded-type electric pressure sensor major insulation part；Power assistant spring is arranged in high-voltage bleeder high-pressure side, and wiring nut is arranged in high-voltage bleeder low-pressure side；The high-voltage bleeder periphery sets gradually low pressure shielding case and high-tension shielding cover from the inside to the outside；The power assistant spring, high-voltage bleeder, high-tension shielding cover, low pressure shielding case pass through embedded-type electric pressure sensor major insulation part together and cast；The embedded-type electric pressure sensor is built in distribution switchgear main conductive circuit insulating part, by way of spinning or the mode that is pressed directly into and distribution switchgear main conductive circuit insulating part group are combined into an entirety.The present invention combines voltage sensor and the insulating part in distribution switchgear together, has the characteristics that small in size, partial discharge is small, field distribution is uniform, installation and replacement are convenient.
Description
Technical field
The invention belongs to controller switching equipment technical fields, are related to voltage measuring apparatus, more particularly to manufacture distribution switchgear
Voltage measuring apparatus.
Background technique
It is higher and higher to the intelligent requirements of distribution switchgear with the fast development that intelligent power distribution networking is built, together
When distribution switchgear application amount increase year by year, the distribution switchgear total amount run in the whole network has exceeded 3,000,000, voltage
Accurate measurement is to realize that the intelligentized important foundation of distribution switchgear, number of applications are especially huge.Traditional voltage measurement side
Formula is the electromagnetic potential transformer by being connected in parallel in high pressure major loop to realize, this voltage transformer has volume
Greatly, at high cost, the disadvantages of replacement is difficult, ferromagnetic resonance can be especially generated, electric power accident is induced, burns power equipment, jeopardize electricity
Net operational safety.
In recent years, it with the development of voltage transformer technology, has also been developed with capacitance partial pressure, electric resistance partial pressure and capacitance-resistance point
Although the electronic type voltage transformer (being also voltage sensor) of pressure, this electronic type voltage transformer solve conventional electromagnetic
The volume of voltage transformer is big, it is at high cost, be also easy to produce ferromagnetic resonance problem, but still using the peace being connected in parallel in high pressure major loop
Dress mode, to replacement, difficult problem not can effectively solve, and operation expense is still very high.
Summary of the invention
In order to solve the above problems existing in the present technology, a kind of new structural voltage sensor is needed, can be had
Quick-replaceable function shortens the O&M time, reduces O&M cost, improves the safety of controller switching equipment and power distribution network operation and reliable
Property, meet the quick demand of intelligent distribution network.
For achieving the above object, the applicant discloses a kind of embedded-type electric pressure sensor, by voltage sensor with
Insulating part in distribution switchgear combines together, with small in size, partial discharge is small, field distribution is uniform, installation and replacement are convenient and fast
Feature.
The present invention is achieved by following technical proposals:
A kind of embedded-type electric pressure sensor, the embedded-type electric pressure sensor include power assistant spring, high-voltage bleeder, height
Press shielding case, low pressure shielding case and embedded-type electric pressure sensor major insulation part；It is characterized by:
Power assistant spring is arranged in high-voltage bleeder high-pressure side, and wiring nut is arranged in high-voltage bleeder low-pressure side；
The high-voltage bleeder periphery sets gradually low pressure shielding case and high-tension shielding cover from the inside to the outside；
The power assistant spring, high-voltage bleeder, high-tension shielding cover, low pressure shielding case pass through embedded-type electric pressure sensor together
It casts major insulation part；
The embedded-type electric pressure sensor is built in distribution switchgear main conductive circuit insulating part, passes through the side of spinning
Formula and distribution switchgear main conductive circuit insulating part group are combined into an entirety.
The present invention further comprises following preferred embodiment:
The major insulation of the embedded-type electric pressure sensor uses solid insulating material.
The solid insulating material uses heat cured insulation material or thermoplastic insulation material.
The major insulation external form of the embedded-type electric pressure sensor is the cone shape or cylindrical shape locked with spiral.
High-voltage bleeder is using any mode in capacitance partial pressure, electric resistance partial pressure, resistive-capacitive voltage divider.
The high-pressure side of high-voltage bleeder is when spinning enters in distribution switchgear main conductive circuit insulating part and with establishing by cable
The main conductive circuit for closing equipment is reliably connected.
High-voltage bleeder when spinning enters in distribution switchgear main conductive circuit insulating part, expose by low-pressure side part
Except distribution switchgear main conductive circuit insulating part.
Exposing the high-voltage bleeder low-pressure side end except distribution switchgear main conductive circuit insulating part, high pressure is set
Divider low-pressure side wiring nut.
The high-voltage bleeder output is the voltage no more than 50mV or the electric current no more than 30mA.
The high-tension shielding cover and low pressure shielding case are all made of metal material and are made.
The power assistant spring is the pressure spring of metal material.
The embedded-type electric pressure sensor further includes high-voltage bleeder ground wire, and the high-voltage bleeder ground wire uses band insulation
The good conductive material of the software of protective case, and be reliably electrically connected with high-tension shielding cover shell.The beneficial effects of the present invention are:
1, technical solution provided by the invention, with it is existing closest to technology compared with, further reduce voltage sensor
Volume optimizes distribution switchgear electric field, reduces operation expense, improves operation and maintenance efficiency, equipment operation peace
Full property and reliability；
2, technical solution provided by the invention can reach flexibly in conjunction with the major loop of distribution switchgear to matching
The real-time monitoring purpose of electric switching system operating voltage provides accurate, real-time data for distribution switchgear protective device,
To realize that distribution switchgear one or two times fusions and intelligence provide solid technical support comprehensively.
Detailed description of the invention
Fig. 1 is scheme of installation of the invention；
Fig. 2 is the structural schematic diagram of embedded-type electric pressure sensor of the present invention.
Wherein, the meaning of appended drawing reference is as follows:
1- embedded-type electric pressure sensor, 2- distribution switchgear main conductive circuit insulating part, 3- high-voltage bleeder low-pressure end,
4- high-voltage bleeder low-pressure side wiring nut, 5- high-voltage bleeder ground wire, 6- high-tension shielding cover, 7- low pressure shielding case, 8- power-assisted
Spring, 9- high-voltage bleeder high-voltage end.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment carries out clear, complete description to the technical solution of the application.
The invention discloses a kind of embedded-type electric pressure sensor 1, the embedded-type electric pressure sensor 1 is divided including high pressure
Device, high-tension shielding cover 6, low pressure shielding case 7, power assistant spring 8 and embedded-type electric pressure sensor major insulation part.Wherein, high pressure point
Depressor main body includes high-voltage bleeder low-pressure end 3 and high-voltage bleeder high-voltage end 9.Capacitance partial pressure, electricity can be used in high-voltage bleeder
The output of any mode in resistance partial pressure, resistive-capacitive voltage divider, high-voltage bleeder for the voltage no more than 50mV or is not more than 30mA
Electric current.
Power assistant spring 8 is arranged in high-voltage bleeder high-voltage end 9, and wiring nut 4 is arranged in high-voltage bleeder low-pressure side；The high pressure
Divider periphery sets gradually low pressure shielding case 7 and high-tension shielding cover 6 from the inside to the outside；The power assistant spring 8, high-voltage bleeder,
High-tension shielding cover 6, low pressure shielding case 7 are cast by embedded-type electric pressure sensor major insulation part together.
The embedded-type electric pressure sensor 1 is built in distribution switchgear main conductive circuit insulating part 2, passes through spinning
2 groups of mode and distribution switchgear main conductive circuit insulating part are combined into an entirety.
Capacitance partial pressure, electric resistance partial pressure, any mode in resistive-capacitive voltage divider can be used in high-voltage bleeder, high-voltage bleeder
Output is the voltage no more than 50mV or the electric current no more than 30mA.
The high-pressure side 9 of high-voltage bleeder is when spinning enters in distribution switchgear main conductive circuit insulating part 2 and distribution
The main conductive circuit of switchgear is reliably connected, and is compressed by power assistant spring 8.
High-voltage bleeder is when spinning enters in distribution switchgear main conductive circuit insulating part 2,3 part of low-pressure end dew
Out except distribution switchgear main conductive circuit insulating part 2.Exposing except distribution switchgear main conductive circuit insulating part 2
High-voltage bleeder low-pressure side wiring nut 4 is arranged in the end of high-voltage bleeder low-pressure end.
Embedded-type electric pressure sensor 1 further includes high-voltage bleeder ground wire 5.5 side of high-voltage bleeder ground wire and low
Pressure shielding case 7 is connected by being welded into one, the other side with voltage measuring apparatus on distribution switchgear.The high pressure screen
Covering cover 6 and low pressure shielding 7 is that the conductive material with screen effect is made, and is filled with solid insulating material therebetween.
Obviously, described embodiment is a part of the embodiments of the present invention, instead of all the embodiments.Based on being retouched
The embodiment of the present invention stated, those of ordinary skill in the art's every other embodiment obtained, belongs to protection of the present invention
Range.
Claims (12)
1. a kind of embedded-type electric pressure sensor, the embedded-type electric pressure sensor includes power assistant spring, high-voltage bleeder, high pressure
Shielding case, low pressure shielding case and embedded-type electric pressure sensor major insulation part；It is characterized by:
Power assistant spring is arranged in high-voltage bleeder high-pressure side, and wiring nut is arranged in high-voltage bleeder low-pressure side；
The high-voltage bleeder periphery sets gradually low pressure shielding case and high-tension shielding cover from the inside to the outside；
It is exhausted that the power assistant spring, high-voltage bleeder, high-tension shielding cover, low pressure shielding case pass through embedded-type electric pressure sensor master together
It casts edge point；
The embedded-type electric pressure sensor is built in distribution switchgear main conductive circuit insulating part, by way of spinning or
The mode and distribution switchgear main conductive circuit insulating part group being pressed directly into are combined into an entirety.
2. embedded-type electric pressure sensor as described in claim 1, it is characterised in that:
The major insulation of the embedded-type electric pressure sensor uses solid insulating material.
3. embedded-type electric pressure sensor as claimed in claim 2, it is characterised in that:
The solid insulating material uses heat cured insulation material or thermoplastic insulation material.
4. embedded-type electric pressure sensor as claimed in claim 2, it is characterised in that:
The major insulation external form of the embedded-type electric pressure sensor is the cone shape or cylindrical shape locked with spiral.
5. embedded high-voltage divider as described in claim 1 or 4, it is characterised in that:
High-voltage bleeder is using any mode in capacitance partial pressure, electric resistance partial pressure, resistive-capacitive voltage divider.
6. embedded high-voltage divider according to claim 1 or 5, it is characterised in that:
The high-pressure side of high-voltage bleeder is in spinning or is pressed directly into distribution switchgear main conductive circuit insulating part, and matches
The main conductive circuit of electric switching system is reliably connected.
7. embedded high-voltage divider according to claim 6, it is characterised in that:
High-voltage bleeder is in spinning or when being pressed directly into distribution switchgear main conductive circuit insulating part, low pressure side
Divide and exposes except distribution switchgear main conductive circuit insulating part.
8. embedded high-voltage divider according to claim 7, it is characterised in that:
It is divided in the high-voltage bleeder low-pressure side end setting high pressure exposed except distribution switchgear main conductive circuit insulating part
Device low-pressure side wiring nut.
9. embedded high-voltage divider according to claim 6, it is characterised in that:
The high-voltage bleeder output is the voltage no more than 50mV or the electric current no more than 30mA.
10. embedded high-voltage divider as described in claim 1, it is characterised in that:
The high-tension shielding cover and low pressure shielding case are all made of metal material and are made.
11. embedded high-voltage divider as described in claim 1, it is characterised in that:
The material of the power assistant spring is metal material.
12. embedded high-voltage divider as described in claim 1, it is characterised in that:
The embedded-type electric pressure sensor further includes high-voltage bleeder ground wire, and the high-voltage bleeder ground wire uses band insulation protection
The good conductive material of the software of set, and be reliably electrically connected with high-tension shielding cover shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202481.9A CN109239439A (en) | 2018-10-16 | 2018-10-16 | A kind of embedded-type electric pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811202481.9A CN109239439A (en) | 2018-10-16 | 2018-10-16 | A kind of embedded-type electric pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109239439A true CN109239439A (en) | 2019-01-18 |
Family
ID=65053793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811202481.9A Pending CN109239439A (en) | 2018-10-16 | 2018-10-16 | A kind of embedded-type electric pressure sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN109239439A (en) |
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