CN106405395A - Sulfur hexafluoride density relay calibration device - Google Patents

Sulfur hexafluoride density relay calibration device Download PDF

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Publication number
CN106405395A
CN106405395A CN201610474160.9A CN201610474160A CN106405395A CN 106405395 A CN106405395 A CN 106405395A CN 201610474160 A CN201610474160 A CN 201610474160A CN 106405395 A CN106405395 A CN 106405395A
Authority
CN
China
Prior art keywords
sulfur hexafluoride
inflator pump
mobile plug
wireway
flange
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.)
Granted
Application number
CN201610474160.9A
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Chinese (zh)
Other versions
CN106405395B (en
Inventor
廖军
吴胜
张晨晨
余芳
邱曼曼
吴冬晖
万礼嵩
彭翔天
丁学飞
马凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hua Ze Kai Electrical Technology Co Ltd
State Grid Corp of China SGCC
Maintenace Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
Anhui Hua Ze Kai Electrical Technology Co Ltd
State Grid Corp of China SGCC
Maintenace Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Anhui Hua Ze Kai Electrical Technology Co Ltd, State Grid Corp of China SGCC, Maintenace Co of State Grid Anhui Electric Power Co Ltd filed Critical Anhui Hua Ze Kai Electrical Technology Co Ltd
Priority to CN201610474160.9A priority Critical patent/CN106405395B/en
Publication of CN106405395A publication Critical patent/CN106405395A/en
Application granted granted Critical
Publication of CN106405395B publication Critical patent/CN106405395B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278Testing 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention proposes a sulfur hexafluoride density relay calibration device which comprises an inflation mechanism, a mobile plug driving handle, a transmission mechanism, two air ducts, and a sulfur hexafluoride calibrator. The inflation mechanism comprises an inflator pump, a mobile plug, and a mounting frame. A first flange is mounted at a second end of the inflator pump. A connecting pipe is mounted at each of the two ends of the air ducts. Each connecting pipe is internally equipped with a mounting ring, and a sealing plate is movably mounted on the mounting ring. A second flange is mounted at one side of each connecting pipe away from the corresponding air duct. The sulfur hexafluoride calibrator has two air guide mouths, the sulfur hexafluoride calibrator is equipped with third flanges in positions corresponding to the air guide mouths, and a first abutting column is movably mounted on each third flange. A second abutting column is movably mounted on the first flange. The sulfur hexafluoride density relay calibration device is easy to use, saves manpower, and reduces the impact on the environment.

Description

A kind of sulfur hexafluoride density relay calibration equipment
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 and uses Calibration equipment.
A kind of sulfur hexafluoride density relay calibration equipment proposed by the present invention, including inflation mechanism, movement Plug drives handle, transmission mechanism, two wireways and sulfur hexafluoride tester;
Inflation mechanism includes inflator pump, mobile plug and installing rack, and mobile plug is movably mounted in inflator pump, Mobile plug moving direction is inflator pump axial direction, moves plug and inflator pump inwall hermetic seal cooperation, installing rack installation In inflator pump first end, mobile plug drives handle to may be rotatably mounted on installing rack, and mobile plug drives handle to lead to Cross transmission mechanism and connect mobile plug, inflator pump second end is provided with first flange disk;
The two ends of wireway are mounted on connecting tube, are provided with mounting ring inside connecting tube, removable in mounting ring Seal disc is installed, seal disc moving direction is connecting tube axial direction, seal disc passes through return unit with mounting ring even Connect, seal disc is located at mounting ring near wireway side, and connecting tube is provided with second away from the side of wireway Ring flange;
Sulfur hexafluoride tester has two air guide ports, and the position of the corresponding air guide port of sulfur hexafluoride tester is all pacified Equipped with the 3rd ring flange, two wireway first ends are all detachably pacified by second flange disk and the 3rd ring flange It is contained on sulfur hexafluoride tester, on the 3rd ring flange, removable installation has first against post, first against post It is connected with the 3rd ring flange by return unit, first is the 3rd stub shaft to two against post moving direction First is leant with the seal disc of two wireway first ends respectively against post;
Any one wireway second end is all removably mounted at inflation by second flange disk and first flange disk On cylinder, on first flange disk, removable installation has second against post, and second passes through return unit and first against post Ring flange connects, and second is first flange dish axle to second against post and wireway the against post moving direction The seal disc at two ends leans.
Preferably, rotatably mounted in connecting tube have auxiliary block, and rotating auxiliary block can make auxiliary block and seal disc Lean, auxiliary block is located at seal disc near wireway side, and connecting tube periphery is provided with auxiliary block turning handle Hand, auxiliary block swing handle is connected with auxiliary block.
Preferably, transmission mechanism include mounting cup, the first rotary shaft, the second rotary shaft, the first driven gear, Second driven gear, driving gear and drive rod;Mounting cup is arranged on installing rack, has peace in mounting cup It behave affectedly, the first rotary shaft and the second rotary shaft all may be rotatably mounted on mounting cup, 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, driving gear is arranged in the second rotary shaft, driving gear is located inside installation cavity, Driving gear is engaged with the first driven gear, and mobile plug drives handle to be connected with the first rotary shaft, and is located at peace It behave affectedly outside, drive rod is arranged on mobile plug near the side of inflator pump first end, and drive rod is provided with tooth bar, Tooth bar is engaged with the second driven gear.
Preferably, mobile plug drives removable installation on handle to snap in post, mounting cup be provided with multiple for card Enter the draw-in groove of insertion.
Preferably, draw-in groove is uniformly distributed around the first rotary shaft circumference.
Preferably, installing rack is provided with the piston rod storehouse for drive rod movement.
Preferably, inflator pump second end is provided with regulating valve, and regulating valve is located at first flange disk and mobile plug Between.
The wireway being not connected with first flange disk is connected by the present invention with electrical equipment, and electrical equipment passes through two Wireway injects a gas into inflator pump, drives handle to connect mobile plug by transmission mechanism in mobile plug, is filling Inflator injects for gas provides space, and first against post and second against post and seal disc against realization sealing Disk is separated with mounting ring, realizes the circulation of gas, and wireway is torn open from sulfur hexafluoride tester or inflator pump When unloading down, first separates it is ensured that gas is retained in wireway against post and second against post with seal disc, Reduce the possibility of sulfur hexafluoride air inlet, and reduce the loss of electrical equipment sulfur hexafluoride.User of the present invention Just, save manpower, and decrease the impact to environment.
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;
Fig. 3 is wireway end perspective view.
Specific embodiment
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of sulfur hexafluoride density relay proposed by the present invention verifies Equipment, drives handle 2, transmission mechanism, two wireways 4 and sulfur hexafluoride including inflation mechanism, mobile plug Tester 5;
Inflation mechanism includes inflator pump 11, mobile plug 12 and installing rack 13, and mobile plug 12 is movably mounted to In inflator pump 11, mobile 12 moving directions of filling in are inflator pump 11 axial direction, in mobile plug 12 and inflator pump 11 Wall hermetic seal coordinates, and installing rack 13 is arranged on inflator pump 11 first end, and mobile plug drives handle 2 rotatable It is arranged on installing rack 13, mobile plug drives handle 2 to connect mobile plug 12, inflator pump by transmission mechanism 11 second ends are provided with first flange disk 111;
The two ends of wireway 4 are mounted on connecting tube, are provided with mounting ring 41, in mounting ring 41 inside connecting tube Removable installation has seal disc 42, and seal disc 42 moving direction is connecting tube axial direction, and seal disc 42 passes through multiple Position part is connected with mounting ring 41, and seal disc 42 is located at mounting ring 41 near wireway 4 side, and connecting tube is remote From the side of wireway 4, second flange disk 43 is installed;
Sulfur hexafluoride tester 5 has two air guide ports, the position of the corresponding air guide port of sulfur hexafluoride tester 5 It is mounted on the 3rd ring flange 51, two wireway 4 first ends are all by second flange disk 43 and the 3rd flange Disk 51 is removably mounted on sulfur hexafluoride tester 5, and on the 3rd ring flange 51, removable installation has first Against post, first is connected with the 3rd ring flange 51 against post by return unit, and first against post moving direction is Axially, two first against the post seal disc 42 with two wireway 4 first ends respectively for 3rd ring flange 51 Lean;
Any one wireway 4 second end is all detachably pacified by second flange disk 43 and first flange disk 111 It is contained on inflator pump 11, on first flange disk 111, removable installation has second against post, second leads to against post Cross return unit to be connected with first flange disk 111, second is first flange disk 111 axial direction against post moving direction, Second leans against the seal disc 42 of post and wireway 4 second end.
The wireway 4 being not connected with first flange disk 111 is connected by the present invention with electrical equipment, and electrical equipment leads to Cross two wireways 4 and inject a gas into inflator pump 11, drive handle 2 to connect by transmission mechanism in mobile plug Mobile plug 12, injecting for gas in inflator pump 11 provides space, and first against post and second against post and sealing Disk 42 against, realize seal disc 42 and separate with mounting ring 41, realize the circulation of gas, by wireway 4 from When disassembling on sulfur hexafluoride tester 5 or inflator pump 11, first against post and second against post and sealing Disk 42 separates it is ensured that gas is retained in wireway 4, reduces the possibility of sulfur hexafluoride air inlet, and subtracts Few electrical equipment sulfur hexafluoride loss.
In present embodiment, rotatably mounted in connecting tube have auxiliary block 44, and rotating auxiliary block 44 can make auxiliary Block 44 is leant with seal disc 42, and auxiliary block 44 is located at seal disc 42 near wireway 4 side, connects Pipe periphery is provided with auxiliary block swing handle 45, and auxiliary block swing handle 45 is connected with auxiliary block 44, will lead When tracheae 4 disassembles from sulfur hexafluoride tester 5 or inflator pump 11, sealing is made by auxiliary block 44 Disk 42 and mounting ring 41 are against the amount of sulfur hexafluoride air inlet in minimizing unloading process.
In present embodiment, transmission mechanism include mounting cup 31, the first rotary shaft 32, the second rotary shaft 33, First driven gear 34, the second driven gear 35, driving gear 36 and drive rod 37;Mounting cup 31 is installed On installing rack 13, there is in mounting cup 31 installation cavity 311, the first rotary shaft 32 and the second rotary shaft 33 All may be rotatably mounted on mounting cup 31, the first driven gear 34 and the second driven gear 35 are installed in In one rotary shaft 32, the first driven gear 34 and the second driven gear 35 are located inside installation cavity 311 respectively And outside, driving gear 36 is arranged in the second rotary shaft 33, and driving gear 36 is located in installation cavity 311 Portion, driving gear 36 is engaged with the first driven gear 34, and mobile plug drives handle 2 and the first rotary shaft 32 Connect, and be located at outside installation cavity 311, drive rod 37 is arranged on and moves plug 12 near inflator pump 11 first The side at end, drive rod 37 is provided with tooth bar 371, and tooth bar 371 is engaged with the second driven gear 35, uses When fill thick liquid in installation cavity 311, it is to avoid gas promotes mobile plug to drive handle 2 by transmission mechanism High-speed rotation and accidentally injure staff.
In present embodiment, mobile plug drives removable installation on handle 2 to snap in post 21, on mounting cup 31 It is provided with multiple draw-in grooves 312 for snapping in insertion, be easy to mobile plug and drive handle 2 to be fixed.
In present embodiment, draw-in groove 312 is uniformly distributed around the first rotary shaft 32 circumference, is easy to mobile plug and drives The regulation of handle 2 fixed position.
In present embodiment, installing rack 13 is provided with the piston rod storehouse 131 for drive rod 37 movement, reduces and drives The mobile possibility accidentally injuring staff of lever 37.
In present embodiment, inflator pump 11 second end is provided with regulating valve 112, and regulating valve 112 is located at first Between ring flange 111 and mobile plug 12, it is easy to the storage of gas in inflator pump 11.
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 (7)

1. a kind of sulfur hexafluoride density relay calibration equipment it is characterised in that:Including inflation mechanism, shifting Dynamic plug drives handle (2), transmission mechanism, two wireways (4) and sulfur hexafluoride tester (5);
Inflation mechanism includes inflator pump (11), mobile plug (12) and installing rack (13), mobile plug (12) It is movably mounted in inflator pump (11), mobile plug (12) moving direction is inflator pump (11) axial direction, Mobile plug (12) and inflator pump (11) inwall hermetic seal coordinate, and installing rack (13) is arranged on inflator pump (11) First end, mobile plug drives handle (2) to may be rotatably mounted on installing rack (13), and mobile plug drives handle (2) mobile plug (12) is connected by transmission mechanism, inflator pump (11) second end is provided with first flange disk (111);
The two ends of wireway (4) are mounted on connecting tube, are provided with mounting ring (41) inside connecting tube, install The upper removable installation of ring (41) has seal disc (42), and seal disc (42) moving direction is connecting tube axial direction, Seal disc (42) is connected with mounting ring (41) by return unit, and seal disc (42) is located at mounting ring (41) Near wireway (4) side, connecting tube is provided with second flange disk (43) away from the side of wireway (4);
Sulfur hexafluoride tester (5) has two air guide ports, and sulfur hexafluoride tester (5) corresponds to air guide port Position be mounted on the 3rd ring flange (51), two wireway (4) first ends are all by second flange disk (43) it is removably mounted on sulfur hexafluoride tester (5) with the 3rd ring flange (51), the 3rd ring flange (51) upper removable installation has first against post, and first passes through return unit and the 3rd ring flange (51) against post Connect, first against post moving direction be the 3rd ring flange (51) axially, two first against post respectively with The seal disc (42) of two wireway (4) first ends leans;
Any one wireway (4) second end is all by second flange disk (43) and first flange disk (111) It is removably mounted on inflator pump (11), the upper removable installation of first flange disk (111) has second against post, Second is connected with first flange disk (111) against post by return unit, and second is first against post moving direction Axially, second leans ring flange (111) against the seal disc (42) of post and wireway (4) second end.
2. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that: Rotatably mounted in connecting tube have an auxiliary block (44), rotate auxiliary block (44) can make auxiliary block (44) with close Closing disk (42) leans, and auxiliary block (44) is located at seal disc (42) near wireway (4) side, connects Adapter periphery is provided with auxiliary block swing handle (45), auxiliary block swing handle (45) and auxiliary block (44) Connect.
3. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that: Transmission mechanism includes mounting cup (31), the first rotary shaft (32), the second rotary shaft (33), the first driven tooth Wheel (34), the second driven gear (35), driving gear (36) and drive rod (37);Mounting cup (31) It is arranged on installing rack (13), there is in mounting cup (31) installation cavity (311), the first rotary shaft (32) All may be rotatably mounted on mounting cup (31) with the second rotary shaft (33), the first driven gear (34) and Second driven gear (35) is installed in the first rotary shaft (32), the first driven gear (34) and Two driven gears (35) are inside and outside positioned at installation cavity (311) respectively, and driving gear (36) is arranged on In second rotary shaft (33), driving gear (36) is located at installation cavity (311) inside, driving gear (36) Engage with the first driven gear (34), mobile plug drives handle (2) to be connected with the first rotary shaft (32), And it is located at installation cavity (311) outside, drive rod (37) is arranged on mobile plug (12) near inflator pump (11) The side of first end, drive rod (37) is provided with tooth bar (371), tooth bar (371) and the second driven gear (35) engage.
4. sulfur hexafluoride density relay calibration equipment according to claim 2 it is characterised in that: Mobile plug drives the upper removable installation of handle (2) to snap in post (21), and mounting cup (31) is provided with multiple For snapping in the draw-in groove (312) of insertion.
5. sulfur hexafluoride density relay calibration equipment according to claim 3 it is characterised in that: Draw-in groove (312) is uniformly distributed around the first rotary shaft (32) circumference.
6. sulfur hexafluoride density relay calibration equipment according to claim 2 it is characterised in that: Installing rack (13) is provided with the piston rod storehouse (131) for drive rod (37) movement.
7. sulfur hexafluoride density relay calibration equipment according to claim 1 it is characterised in that: Inflator pump (11) second end is provided with regulating valve (112), and regulating valve (112) is located at first flange disk (111) And mobile plug (12) between.
CN201610474160.9A 2016-06-22 2016-06-22 Verification equipment for sulfur hexafluoride density relay Active CN106405395B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610474160.9A CN106405395B (en) 2016-06-22 2016-06-22 Verification equipment for sulfur hexafluoride density relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610474160.9A CN106405395B (en) 2016-06-22 2016-06-22 Verification equipment for sulfur hexafluoride density relay

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CN106405395A true CN106405395A (en) 2017-02-15
CN106405395B CN106405395B (en) 2023-05-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574047Y (en) * 2002-10-23 2003-09-17 上海珂利电气有限公司 Sulfur sixfluoride gas density relay checking instrument
CN204269506U (en) * 2014-12-12 2015-04-15 江苏唐高电气科技有限公司 A kind of gas reusing device of sulfur hexafluoride density relay tester
WO2016008273A1 (en) * 2014-07-15 2016-01-21 国家电网公司 Checking platform for sulfur hexafluoride gas humidity sensor under pressure
CN105514847A (en) * 2016-02-24 2016-04-20 新疆维吾尔自治区送变电工程公司 Mounting method of 750 KV tank type breaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574047Y (en) * 2002-10-23 2003-09-17 上海珂利电气有限公司 Sulfur sixfluoride gas density relay checking instrument
WO2016008273A1 (en) * 2014-07-15 2016-01-21 国家电网公司 Checking platform for sulfur hexafluoride gas humidity sensor under pressure
CN204269506U (en) * 2014-12-12 2015-04-15 江苏唐高电气科技有限公司 A kind of gas reusing device of sulfur hexafluoride density relay tester
CN105514847A (en) * 2016-02-24 2016-04-20 新疆维吾尔自治区送变电工程公司 Mounting method of 750 KV tank type breaker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李伟等: "基于机器视觉技术的六氟化硫密度继电器智能校验系统", 《仪表技术与传感器》 *

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Address after: 230000, No.397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province

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