CN106405394B - A kind of sulfur hexafluoride density relay calibration equipment - Google Patents
A kind of sulfur hexafluoride density relay calibration equipment Download PDFInfo
- Publication number
- CN106405394B CN106405394B CN201610474141.6A CN201610474141A CN106405394B CN 106405394 B CN106405394 B CN 106405394B CN 201610474141 A CN201610474141 A CN 201610474141A CN 106405394 B CN106405394 B CN 106405394B
- Authority
- CN
- China
- Prior art keywords
- sulfur hexafluoride
- airway tube
- piston rod
- rotary shaft
- driven gear
- 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.)
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Links
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 38
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000012780 transparent material Substances 0.000 claims description 3
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 description 40
- 238000012795 verification Methods 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Abstract
The present invention proposes a kind of sulfur hexafluoride density relay calibration equipment, including inflation mechanism, transmission mechanism, sulfur hexafluoride tester, the first airway tube and the second airway tube；Inflation mechanism includes gas receiver, promotes plug, piston rod and mounting bracket；Transmission mechanism includes the first mounting cup, the second mounting cup, the first rotary shaft, the first driven gear, the second driven gear, the second rotary shaft, driving gear and handle, has installation cavity in mounting shell；Piston rod is provided with engaging tooth, and piston rod is engaged by engaging tooth with the second driven gear；The first end of first airway tube and the second airway tube is detachably connected sulfur hexafluoride tester, and first the second end of airway tube is free end, and second the second end of airway tube is detachably connected outlet valve.The present invention is easy to use, avoids the inconvenience of sulfur hexafluoride gas transport.
Description
Technical field
The present invention relates to electric power overhaul field, and in particular to a kind of sulfur hexafluoride density relay calibration equipment.
Background technology
According to the great anti-accident measures requirement of 18 power networks of State Grid Corporation of China：Sulfur hexafluoride density relay should be regular
Verification, cause breaker false alarm to prevent density monitor working value inaccurate or deviate or do not alarm.Also require hexafluoro simultaneously
Change the requirement that the connected mode between sulphur density monitor and electrical equipment body should meet not dismantling verification density monitor.Cause
Verification of this substation field to sulfur hexafluoride gas-filled density of equipment relay generally uses and does not dismantle verification mode, verifying work
It is limited in substation field progress.
Maintainer generally requires to carry a bulky hexafluoro when transformer station verifies density monitor at present
Change sulphur gas cylinder to scene, for calibration source of the gas, verification knot to be provided tester and density monitor when verifying density monitor
Shu Hou, due to the limitation of measuring principle, measurement every time finishes remaining gases at high pressure and is likely to because leakage is discharged into air, to ring
Border has a great influence.It is simultaneously because all very inconvenient when the particularity of sulfur hexafluoride gas, storage and carrying.
Therefore sulfur hexafluoride density relay verification is often laborious, time-consuming in transformer station, has considerable influence to environment
And the work that security risk is higher, the service work safety management cost thus brought are very high.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of sulfur hexafluoride density relay verification dress
Put.
A kind of sulfur hexafluoride density relay calibration equipment proposed by the present invention, including inflation mechanism, transmission mechanism, hexafluoro
Change sulphur tester, the first airway tube and the second airway tube；
Inflation mechanism includes gas receiver, promotes plug, piston rod and mounting bracket, promotes plug to be movably mounted in gas receiver,
It is gas receiver axial direction to promote plug moving direction, promotes plug to coordinate with the hermetic seal of gas receiver inwall, and gas receiver first end is provided with out
Air valve, piston rod, which is arranged on, to be promoted beyond the Great Wall, and positioned at side of the plug away from outlet valve is promoted, mounting bracket is arranged on gas receiver
Second end；
Transmission mechanism includes the first mounting cup, the second mounting cup, the first rotary shaft, the first driven gear, the second driven tooth
Wheel, the second rotary shaft, driving gear and handle；Second mounting cup is removably mounted on the first mounting cup, the first mounting cup and
Second mounting cup cooperatively forms mounting shell, and mounting shell is arranged on mounting bracket, has installation cavity in mounting shell, the first rotary shaft can
It is rotatably installed on mounting shell, the first driven gear and the second driven gear are installed in the first rotary shaft, the first driven tooth
Wheel and the second driven gear are inside and outside positioned at installation cavity respectively, and the second rotary shaft may be rotatably mounted on mounting shell, actively
Gear is arranged in the second rotary shaft, and driving gear is located inside installation cavity, and driving gear engages with the first driven gear, handle
In the first rotary shaft, and outside installation cavity；
Piston rod is provided with engaging tooth, and piston rod is engaged by engaging tooth with the second driven gear；
The first end of first airway tube and the second airway tube is detachably connected sulfur hexafluoride tester, the first airway tube
Two ends are free end, and second the second end of airway tube is detachably connected outlet valve.
Preferably, mounting bracket is provided with the piston rod storehouse for piston rod movement.
Preferably, piston rod storehouse is made of transparent material, and piston rod storehouse is provided with scale.
Preferably, removable installation has mobile column on mounting bracket, and mobile column movement can lean with engaging tooth.
Preferably, handle periphery installation elasticity layer.
Preferably, gas receiver periphery is axially arranged with multiple thermal troughs along gas receiver.
Preferably, the both ends of the first airway tube are mounted on the first regulating valve.
Preferably, the both ends of the second airway tube are mounted on the second regulating valve.
The present invention fills thick liquid when using inside installation cavity, by first the second end of airway tube and sulfur hexafluoride density
Relay pipeline connection, the sulfur hexafluoride gas in electrical equipment is imported into gas storage by the first airway tube and the second airway tube
Cylinder, handle drive driving gear to rotate by the second rotary shaft, and driving gear drives the second driven gear by the first rotary shaft
Rotate, the second driven gear is driven by piston rod promotes plug movement, and the space of gas storage, gas receiver are provided in gas receiver
Electrical equipment is closed after the completion of interior inflation to switch with sulfur hexafluoride density relay connectivity part, and gas storage is then adjusted by handle again
Gas pressure intensity in cylinder, realizes calibration of the sulfur hexafluoride tester to sulfur hexafluoride density relay, passes through handle after the completion of calibration
Drive and promote plug movement, gas is led back into electrical equipment again, the thick liquid inside installation cavity can avoid gas to promoting
The power of plug causes handle high-speed rotation.The present invention is easy to use, avoids the inconvenience of sulfur hexafluoride gas transport.
Brief description of the drawings
Fig. 1 is a kind of sulfur hexafluoride density relay calibration equipment structural representation proposed by the present invention；
Fig. 2 is transmission mechanism structural representation of the present invention.
Embodiment
It is shown referring to Figures 1 and 2, a kind of sulfur hexafluoride density relay calibration equipment proposed by the present invention, including inflation
Mechanism, transmission mechanism, sulfur hexafluoride tester 3, the first airway tube 4 and the second airway tube 5；
Inflation mechanism includes gas receiver 11, promotes plug 12, piston rod 13 and mounting bracket 14, promotes plug 12 to be movably mounted to
In gas receiver 11, it is the axial direction of gas receiver 11 to promote 12 moving directions of plug, promotes plug 12 to coordinate with the inwall hermetic seal of gas receiver 11, is stored up
The first end of inflator 11 is provided with outlet valve 111, and piston rod 13, which is arranged on, to be promoted on plug 12, and positioned at promotion plug 12 away from outlet
The side of valve 111, mounting bracket 14 are arranged on the end of gas receiver 11 second；
Transmission mechanism includes the first mounting cup 21, the second mounting cup 22, the first rotary shaft 23, the first driven gear 24, the
Two driven gears 25, the second rotary shaft 26, driving gear 27 and handle 28；Second mounting cup 22 is removably mounted at the first installation
On cover 21, the first mounting cup 21 and the second mounting cup 22 cooperatively form mounting shell, and mounting shell is arranged on mounting bracket 14, mounting shell
Interior to have installation cavity, the first rotary shaft 23 may be rotatably mounted on mounting shell, the first driven gear 24 and the second driven gear 25
It is installed in the first rotary shaft 23, the first driven gear 24 and the second driven gear 25 are respectively inside installation cavity and outer
Portion, the second rotary shaft 26 be may be rotatably mounted on mounting shell, and driving gear 27 is arranged in the second rotary shaft 26, driving gear 27
Inside installation cavity, driving gear 27 is engaged with the first driven gear 24, and handle 28 is arranged in the first rotary shaft 23, and position
Outside installation cavity；
Piston rod 13 is provided with engaging tooth, and piston rod 13 is engaged by engaging tooth with the second driven gear 25；
The first end of first airway tube 4 and the second airway tube 5 is detachably connected sulfur hexafluoride tester 3, the first air guide
The end of pipe 4 second is free end, and the end of the second airway tube 5 second is detachably connected outlet valve 111.
The present invention fills thick liquid when using inside installation cavity, and the end of the first airway tube 4 second and sulfur hexafluoride is close
Relay pipeline connection is spent, the sulfur hexafluoride gas in electrical equipment is imported into storage by the first airway tube 4 and the second airway tube 5
Inflator 11, handle 28 drive driving gear 27 to rotate by the second rotary shaft 26, and driving gear 27 passes through the band of the first rotary shaft 23
Dynamic second driven gear 25 rotates, and the second driven gear 25 is driven by piston rod 13 promotes the movement of plug 12, in gas receiver 11
The space of gas storage is provided, electrical equipment and sulfur hexafluoride density relay connectivity part are closed after the completion of being inflated in gas receiver 11
Switch, then again by handle adjust gas receiver 11 in gas pressure intensity, realize sulfur hexafluoride tester 3 to sulfur hexafluoride density after
The calibration of electrical equipment, driven after the completion of calibration by handle and promote the movement of plug 12, gas is led back into electrical equipment again, can be by first
The internal diameter of 4 and second airway tube of airway tube 5 do it is sufficiently small, to reduce the first airway tube 4 and the internal gas of the second airway tube 5 to school
Accurate influence, the thick liquid inside installation cavity can avoid gas from causing the high-speed rotation of handle 28 to the power for promoting plug 12.
In present embodiment, mounting bracket 14 is provided with the piston rod storehouse 141 moved for piston rod 13, avoids piston rod 13 from moving
It is dynamic to accidentally injure staff.
In present embodiment, piston rod storehouse 141 is made of transparent material, and piston rod storehouse 141 is provided with scale, is easy to
User understands the position for promoting plug 12.
In present embodiment, removable installation has mobile column 142 on mounting bracket 14, and the movement of mobile column 142 can be with engaging tooth
Lean, be easy to user that piston rod 13 is fixed.
In present embodiment, the periphery of handle 28 installation elasticity layer, it is easy to user's swing handle 28.
In present embodiment, the periphery of gas receiver 11 is axially arranged with multiple thermal troughs 112 along gas receiver 11, improves gas receiver 11
Radiating effect.
In present embodiment, the both ends of the first airway tube 4 are mounted on the first regulating valve 41, the both ends of the second airway tube 5
The second regulating valve 51 is mounted on, sulfur hexafluoride air inlet can be reduced by the first regulating valve 41 and the second regulating valve 51
May, and the injection sulfur hexafluoride in the first airway tube 4 and the second airway tube 5 can be shifted to an earlier date, reduce lithium in electrical equipment
The loss of sulphur.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
- A kind of 1. sulfur hexafluoride density relay calibration equipment, it is characterised in that：Including inflation mechanism, transmission mechanism, lithium Sulphur tester (3), the first airway tube (4) and the second airway tube (5)；Inflation mechanism includes gas receiver (11), promotes plug (12), piston rod (13) and mounting bracket (14), promotes plug (12) removable In gas receiver (11), it is gas receiver (11) axial direction to promote plug (12) moving direction, promotes plug (12) and gas receiver (11) Inwall hermetic seal coordinates, and gas receiver (11) first end is provided with outlet valve (111), and piston rod (13), which is arranged on, promotes plug (12) On, and positioned at side of the plug (12) away from outlet valve (111) is promoted, mounting bracket (14) is arranged on the end of gas receiver (11) second；Transmission mechanism includes the first mounting cup (21), the second mounting cup (22), the first rotary shaft (23), the first driven gear (24), the second driven gear (25), the second rotary shaft (26), driving gear (27) and handle (28)；Second mounting cup (22) can Remove and install on the first mounting cup (21), the first mounting cup (21) and the second mounting cup (22) cooperatively form mounting shell, installation Shell is arranged on mounting bracket (14), has installation cavity in mounting shell, and the first rotary shaft (23) may be rotatably mounted on mounting shell, the One driven gear (24) and the second driven gear (25) are installed in the first rotary shaft (23), the first driven gear (24) and Two driven gears (25) are inside and outside positioned at installation cavity respectively, and the second rotary shaft (26) may be rotatably mounted on mounting shell, main Moving gear (27) is arranged in the second rotary shaft (26), and driving gear (27) be located inside installation cavity, driving gear (27) and the One driven gear (24) is engaged, and handle (28) is arranged in the first rotary shaft (23), and outside installation cavity；Piston rod (13) is provided with engaging tooth, and piston rod (13) is engaged by engaging tooth with the second driven gear (25)；The first end of first airway tube (4) and the second airway tube (5) is detachably connected sulfur hexafluoride tester (3), and first leads The end of tracheae (4) second is free end, and the end of the second airway tube (5) second is detachably connected outlet valve (111)；Mounting bracket (14) is provided with for the mobile piston rod storehouse (141) of piston rod (13)；Removable installation has mobile column (142) on mounting bracket (14), and mobile column (142) movement can lean with engaging tooth.
- 2. sulfur hexafluoride density relay calibration equipment according to claim 1, it is characterised in that：Piston rod storehouse (141) It is made of transparent material, and piston rod storehouse (141) are provided with scale.
- 3. sulfur hexafluoride density relay calibration equipment according to claim 1, it is characterised in that：Handle (28) periphery peace Equipped with elastic layer.
- 4. sulfur hexafluoride density relay calibration equipment according to claim 1, it is characterised in that：Gas receiver (11) periphery It is axially arranged with multiple thermal troughs (112) along gas receiver (11).
- 5. sulfur hexafluoride density relay calibration equipment according to claim 1, it is characterised in that：First airway tube (4) Both ends be mounted on the first regulating valve (41).
- 6. sulfur hexafluoride density relay calibration equipment according to claim 1, it is characterised in that：Second airway tube (5) Both ends be mounted on the second regulating valve (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474141.6A CN106405394B (en) | 2016-06-22 | 2016-06-22 | A kind of sulfur hexafluoride density relay calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610474141.6A CN106405394B (en) | 2016-06-22 | 2016-06-22 | A kind of sulfur hexafluoride density relay calibration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106405394A CN106405394A (en) | 2017-02-15 |
| CN106405394B true CN106405394B (en) | 2017-11-10 |
Family
ID=58005877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610474141.6A Active CN106405394B (en) | 2016-06-22 | 2016-06-22 | A kind of sulfur hexafluoride density relay calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405394B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103016A (en) * | 2009-12-17 | 2011-06-22 | 上海莫克电子技术有限公司 | SF6 gas density relay calibrator |
| CN103245908A (en) * | 2012-02-03 | 2013-08-14 | 华北电力科学研究院有限责任公司 | SF6 and SF6 mixed gas density relay verifying unit |
| CN104698372A (en) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | SF6 or mixed gas-containing density relay calibration device |
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| CN205920195U (en) * | 2016-06-22 | 2017-02-01 | 国网安徽省电力公司检修公司 | Sulfur hexafluoride density relay calibration equipment |
-
2016
- 2016-06-22 CN CN201610474141.6A patent/CN106405394B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103016A (en) * | 2009-12-17 | 2011-06-22 | 上海莫克电子技术有限公司 | SF6 gas density relay calibrator |
| CN103245908A (en) * | 2012-02-03 | 2013-08-14 | 华北电力科学研究院有限责任公司 | SF6 and SF6 mixed gas density relay verifying unit |
| CN104698372A (en) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | SF6 or mixed gas-containing density relay calibration device |
| CN205103375U (en) * | 2015-09-02 | 2016-03-23 | 李博 | Online calibrating device of high -voltage switch density relay |
| CN105116363A (en) * | 2015-10-10 | 2015-12-02 | 西安亚能电气有限责任公司 | Calibrating device for SF6 density relay checking instrument |
| CN205920195U (en) * | 2016-06-22 | 2017-02-01 | 国网安徽省电力公司检修公司 | Sulfur hexafluoride density relay calibration equipment |
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| Title |
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| Publication number | Publication date |
|---|---|
| CN106405394A (en) | 2017-02-15 |
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| CB03 | Change of inventor or designer information |
Inventor after: Wu Sheng Inventor after: Jiang Jingjing Inventor after: Wang Xiongqi Inventor after: Zhang Chenchen Inventor after: Liao Yuhan Inventor after: Gao Ran Inventor after: Wan Lisong Inventor after: Ma Kai Inventor after: Liao Jun Inventor after: Luo Sha Inventor after: Pu Daojie Inventor after: Jia Fengming Inventor after: Jing Yao Inventor after: Wu Donghui Inventor after: Qiu Manman Inventor after: Yu Fang Inventor before: Wu Sheng Inventor before: Ma Kai Inventor before: Liao Jun Inventor before: Zhang Chenchen Inventor before: Jia Fengming Inventor before: Qiu Manman Inventor before: Wu Donghui Inventor before: Liao Yuhan Inventor before: Gao Ran Inventor before: Wan Lisong |
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