CN106405394A - Sulfur hexafluoride density relay verification device - Google Patents
Sulfur hexafluoride density relay verification device Download PDFInfo
- Publication number
- CN106405394A CN106405394A CN201610474141.6A CN201610474141A CN106405394A CN 106405394 A CN106405394 A CN 106405394A CN 201610474141 A CN201610474141 A CN 201610474141A CN 106405394 A CN106405394 A CN 106405394A
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- CN
- China
- Prior art keywords
- sulfur hexafluoride
- piston rod
- wireway
- driven gear
- density relay
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sulfur hexafluoride density relay verification device. The device comprises an air inflation mechanism, a transmission mechanism, a sulfur hexafluoride verification instrument, a first gas-guide tube and a second gas-guide tube. The air inflation mechanism comprises an air cylinder, a pushing plug, a piston rod and a mounting rack. The transmission mechanism comprises a first mounting cover, a second mounting cover, a first rotation shaft, a first driven gear, a second driven gear, a second rotation shaft, a driving gear and a handle. An installation shell possesses an installation cavity. The piston rod is provided with a meshing tooth. The piston rod is meshed with the second driven gear through the meshing tooth. First ends of the first gas-guide tube and the second gas-guide tube are detachably connected to the sulfur hexafluoride verification instrument. A second end of the first gas-guide tube is a free end. A second end of the second gas-guide tube is detachably connected to a gas outlet valve. In the invention, usage is convenient and inconvenience of sulfur hexafluoride gas conveying is avoided.
Description
Technical field
The present invention relates to electric power overhaul field is and in particular to a kind of sulfur hexafluoride density relay calibration equipment.
Background technology
Required according to the great anti-accident measures of 18 electrical networks of State Grid Corporation of China：Sulfur hexafluoride density relay
Answer periodic check, to prevent from density monitor working value from being forbidden or to deviate causing breaker false alarm or not reporting to the police.
Also require the connected mode between sulfur hexafluoride density relay and electrical equipment body should meet not dismantling simultaneously
The requirement of verification density monitor.The therefore school to sulfur hexafluoride gas-filled density of equipment relay for the substation field
Test commonly used do not dismantle verification mode, verifying work is limited in substation field to be carried out.
Maintainer, when transformer station verifies to density monitor, generally requires to carry a heaviness at present
Sulfur hexafluoride gas cylinder to scene, for providing to tester and density monitor when verifying density monitor
Calibration source of the gas, after verification terminates, due to the restriction of measuring principle, measurement every time finishes remaining gases at high pressure
It is likely to enter air because of leakage, have greater environmental impacts.Simultaneously because the particularity of sulfur hexafluoride gas,
All very inconvenient when depositing and carrying.
Therefore in transformer station, sulfur hexafluoride density relay verification is often laborious, time-consuming, environment is had relatively
Big impact and the higher work of security risk, the service work safety management cost thus bringing is very high.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of sulfur hexafluoride density relay school
Experiment device.
A kind of sulfur hexafluoride density relay calibration equipment proposed by the present invention, including inflation mechanism, driver
Structure, sulfur hexafluoride tester, the first wireway and the second wireway；
Inflation mechanism includes gas receiver, promotes plug, piston rod and installing rack, promotes plug to be movably mounted to store up
In inflator, promote plug moving direction to be gas receiver axial direction, promote plug and gas receiver inwall hermetic seal cooperation, gas storage
Cylinder first end is provided with outlet valve, and piston rod is arranged on promotion beyond the Great Wall, and is located at promotion plug away from air outlet valve
The side of door, installing rack is arranged on gas receiver second end；
Transmission mechanism include the first mounting cup, the second mounting cup, the first rotary shaft, the first driven gear,
Two driven gears, the second rotary shaft, driving gear and handle；Second mounting cup is removably mounted at the first peace
On dress cover, the first mounting cup and the second mounting cup cooperatively form mounting shell, and mounting shell is arranged on installing rack,
In mounting shell, there is installation cavity, the first rotary shaft may be rotatably mounted on mounting shell, the first driven gear and
Two driven gears are installed in the first rotary shaft, and the first driven gear and the second driven gear are located at peace respectively
It behave affectedly inside and outside, the second rotary shaft may be rotatably mounted on mounting shell, driving gear is arranged on second turn
On moving axis, driving gear is located inside installation cavity, and driving gear is engaged with the first driven gear, and handle is installed
In the first rotary shaft, and it is located at outside installation cavity；
Piston rod is provided with engaging tooth, and piston rod is engaged with the second driven gear by engaging tooth；
The first end of the first wireway and the second wireway is all detachably connected sulfur hexafluoride tester, and first leads
Tracheae second end is free end, and second wireway the second end is detachably connected outlet valve.
Preferably, installing rack is provided with the piston rod storehouse for piston rod movement.
Preferably, piston rod storehouse is made using transparent material, and piston rod storehouse is provided with scale.
Preferably, on installing rack, removable installation has mobile post, and mobile post movement can be leant with engaging tooth.
Preferably, handle periphery installs elasticity layer.
Preferably, gas receiver periphery is axially arranged with multiple thermal troughs along gas receiver.
Preferably, the two ends of the first wireway are mounted on the first regulating valve.
Preferably, the two ends of the second wireway are mounted on the second regulating valve.
The present invention use when fill thick liquid inside installation cavity, by first wireway the second end with lithium
Sulphur density relay pipeline connects, and the sulfur hexafluoride gas in electrical equipment are passed through the first wireway and second
Wireway imports gas receiver, and handle passes through the second rotary shaft and drives driving gear to rotate, and driving gear passes through the
One rotary shaft drives the second driven gear to rotate, and the second driven gear is driven by piston rod and promotes plug to move,
The space of gas storage is provided in gas receiver, close after the completion of inflation in gas receiver electrical equipment with lithium
Sulphur density monitor connectivity part switchs, and then adjusts gas pressure intensity in gas receiver by handle again, realizes hexafluoro
Change the calibration to sulfur hexafluoride density relay for the sulphur tester, driven by handle after the completion of calibration and promote plug to move
Dynamic, gas is led back to again electrical equipment, the thick liquid within installation cavity can avoid gas to fill in promoting
Power lead to handle high-speed rotation.The present invention is easy to use, it is to avoid the inconvenience that sulfur hexafluoride gas transport.
Brief description
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.
Specific embodiment
Shown in seeing 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 wireway 4 and the second wireway 5；
Inflation mechanism includes gas receiver 11, promotes plug 12, piston rod 13 and installing rack 14, and promotion plug 12 can
Movement is arranged in gas receiver 11, promote plug 12 moving directions be gas receiver 11 axially, promote plug 12 with
Gas receiver 11 inwall hermetic seal coordinates, and gas receiver 11 first end is provided with outlet valve 111, piston rod 13
It is arranged on promotion plug 12, and is located at the side promoting plug 12 away from outlet valve 111, installing rack 14 is pacified
It is contained in gas receiver 11 second end；
Transmission mechanism includes the first mounting cup 21, the second mounting cup 22, the first rotary shaft 23, the first driven tooth
Wheel the 24, second driven gear 25, the second rotary shaft 26, driving gear 27 and handle 28；Second mounting cup
22 are removably mounted on the first mounting cup 21, and the first mounting cup 21 and the second mounting cup 22 cooperatively form peace
Dress shell, mounting shell is arranged on installing rack 14, has installation cavity in mounting shell, and the first rotary shaft 23 can turn
Move and be arranged on mounting shell, the first driven gear 24 and the second driven gear 25 are installed in the first rotary shaft
On 23, the first driven gear 24 and the second driven gear 25 are inside and outside positioned at installation cavity respectively, and second
Rotary shaft 26 may be rotatably mounted on mounting shell, and driving gear 27 is arranged in the second rotary shaft 26, actively
Gear 27 is located inside installation cavity, and driving gear 27 is engaged with the first driven gear 24, and handle 28 is installed
In the first rotary shaft 23, and it is located at outside installation cavity；
Piston rod 13 is provided with engaging tooth, and piston rod 13 is engaged with the second driven gear 25 by engaging tooth；
The first end of the first wireway 4 and the second wireway 5 is all detachably connected sulfur hexafluoride tester 3, the
One wireway 4 second end is free end, and the second wireway 5 second end is detachably connected outlet valve 111.
The present invention fills thick liquid, by the first wireway 4 second end and hexafluoro when using inside installation cavity
Change the connection of sulphur density relay pipeline, the sulfur hexafluoride gas in electrical equipment are passed through the first wireway 4 He
Second wireway 5 imports gas receiver 11, and handle 28 drives driving gear 27 to rotate by the second rotary shaft 26,
Driving gear 27 drives the second driven gear 25 to rotate by the first rotary shaft 23, the second driven gear 25
Driven by piston rod 13 and promote plug 12 mobile, the space of gas storage, gas storage are provided in gas receiver 11
Close electrical equipment after the completion of inflation in cylinder 11 to switch with sulfur hexafluoride density relay connectivity part, then lead to again
Cross handle and adjust gas pressure intensity in gas receiver 11, realize sulfur hexafluoride tester 3 to sulfur hexafluoride density relay
The calibration of device, is driven by handle after the completion of calibration and promotes plug 12 mobile, gas is led back to electrical equipment again,
Can by the first wireway 4 and the second wireway 5 internal diameter do sufficiently small, to reduce the first wireway 4 and
The impact to calibration for two wireway 5 internal gas, the thick liquid within installation cavity can avoid gas to pushing away
The power of dynamic plug 12 leads to handle 28 high-speed rotation.
In present embodiment, installing rack 14 is provided with the piston rod storehouse 141 for piston rod 13 movement, it is to avoid live
Stopper rod 13 is mobile to accidentally injure staff.
In present embodiment, piston rod storehouse 141 is made using transparent material, and piston rod storehouse 141 is provided with
Scale, is easy to user and understands the position promoting plug 12.
In present embodiment, on installing rack 14, removable installation has mobile post 142, and mobile post 142 movement can
Lean with engaging tooth, be easy to user and piston rod 13 is fixed.
In present embodiment, handle 28 periphery installs elasticity layer, is easy to user's swing handle 28.
In present embodiment, gas receiver 11 periphery is axially arranged with multiple thermal troughs 112 along gas receiver 11, improves
The radiating effect of gas receiver 11.
In present embodiment, the two ends of the first wireway 4 are mounted on the first regulating valve 41, the second wireway
5 two ends are mounted on the second regulating valve 51, can be subtracted by the first regulating valve 41 and the second regulating valve 51
The possibility of few sulfur hexafluoride air inlet, and note in the first wireway 4 and the second wireway 5 can be shifted to an earlier date
Enter sulfur hexafluoride, reduce the loss of sulfur hexafluoride in electrical equipment.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention not office
Be limited to this, any those familiar with the art the invention discloses technical scope in, according to this
The technical scheme of invention and its inventive concept in addition equivalent or change, all should cover the protection in the present invention
Within the scope of.
Claims (8)
1. a kind of sulfur hexafluoride density relay calibration equipment it is characterised in that：Including inflation mechanism, transmission
Mechanism, sulfur hexafluoride tester (3), the first wireway (4) and the second wireway (5)；
Inflation mechanism includes gas receiver (11), promotes plug (12), piston rod (13) and installing rack (14),
Promote plug (12) to be movably mounted in gas receiver (11), promote plug (12) moving direction to be gas receiver
(11) axially, plug (12) is promoted to coordinate with gas receiver (11) inwall hermetic seal, gas receiver (11) first
End is provided with outlet valve (111), and piston rod (13) is arranged in promotion plug (12), and is located at promotion
Plug (12) is arranged on gas receiver (11) second away from the side of outlet valve (111), installing rack (14)
End；
Transmission mechanism include the first mounting cup (21), the second mounting cup (22), the first rotary shaft (23),
One driven gear (24), the second driven gear (25), the second rotary shaft (26), driving gear (27) and
Handle (28)；Second mounting cup (22) is removably mounted on the first mounting cup (21), the first mounting cup
(21) and the second mounting cup (22) cooperatively forms mounting shell, and mounting shell is arranged on installing rack (14),
In mounting shell, there is installation cavity, the first rotary shaft (23) may be rotatably mounted on mounting shell, the first driven tooth
Wheel (24) and the second driven gear (25) are installed in the first rotary shaft (23), the first driven gear
(24) and the second driven gear (25) is inside and outside positioned at installation cavity respectively, the second rotary shaft (26)
May be rotatably mounted on mounting shell, driving gear (27) is arranged in the second rotary shaft (26), driving tooth
Wheel (27) is located inside installation cavity, and driving gear (27) is engaged with the first driven gear (24), handle
(28) it is arranged in the first rotary shaft (23), and be located at outside installation cavity；
Piston rod (13) is provided with engaging tooth, and piston rod (13) passes through engaging tooth and the second driven gear (25)
Engagement；
The first end of the first wireway (4) and the second wireway (5) is all detachably connected sulfur hexafluoride verification
Instrument (3), the first wireway (4) second end is free end, and the second wireway (5) second end detachably connects
Air outlet valve door (111).
2. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：Peace
Shelve (14) and be provided with the piston rod storehouse (141) for piston rod (13) movement.
3. sulfur hexafluoride density relay calibration equipment according to claim 2 it is characterised in that：Live
Stopper rod storehouse (141) is made using transparent material, and piston rod storehouse (141) are provided with scale.
4. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：Peace
Shelving (14) upper removable installation has mobile post (142), and mobile post (142) movement can be offseted with engaging tooth
Lean on.
5. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：?
Hand (28) periphery installs elasticity layer.
6. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：Storage
Inflator (11) periphery is axially arranged with multiple thermal troughs (112) along gas receiver (11).
7. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：The
The two ends of one wireway (4) are mounted on the first regulating valve (41).
8. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that：The
The two ends of two wireways (5) are 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 true CN106405394A (en) | 2017-02-15 |
| CN106405394B 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 |
| 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 |
| CN205103375U (en) * | 2015-09-02 | 2016-03-23 | 李博 | Online calibrating device of high -voltage switch density relay |
| 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 |
Non-Patent Citations (3)
| Title |
|---|
| 古玲霞 等: "一种SF6气体密度继电器全温度范围校验装置的研制", 《高压电器》 * |
| 吴胜 等: "ZMJ-1型SF6气体密度继电器故障分析", 《ZMJ-1型SF6气体密度继电器故障分析》 * |
| 王莉娅 等: "LW13-550型罐式SF6断路器空压机管道的改进", 《高压电器》 * |
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| Publication number | Publication date |
|---|---|
| CN106405394B (en) | 2017-11-10 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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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| CB03 | Change of inventor or designer information | ||
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