CN204101693U - Isolating switch durability test cycling pneumatic means - Google Patents
Isolating switch durability test cycling pneumatic means Download PDFInfo
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- CN204101693U CN204101693U CN201420518142.2U CN201420518142U CN204101693U CN 204101693 U CN204101693 U CN 204101693U CN 201420518142 U CN201420518142 U CN 201420518142U CN 204101693 U CN204101693 U CN 204101693U
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- solenoid valve
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- isolating switch
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Abstract
The utility model relates to the proving installation of isolating switch, specifically isolating switch durability test cycling pneumatic means.This isolating switch durability test cycling pneumatic means comprises cylindrical slide bar, adjustable handle, cylinder, solenoid valve, four-way, dyad and air source of the gas seven part; Its connected mode is: air source of the gas, dyad and four-way are connected in series with pvc pipe, with pvc pipe, other for four-way three ventholes are connected in parallel three, left, center, right solenoid valve, by the return-air hole that the air outlet valve of solenoid valve pvc pipe connects the air admission hole of cylinder, the return-air valve of solenoid valve pvc pipe connects cylinder, adjustable handle is arranged on cylindrical slide bar, cylindrical slide bar is fixed on cylinder, improve isolating switch durability test efficiency.
Description
Technical field
The utility model relates to the proving installation of isolating switch, specifically isolating switch durability test cycling pneumatic means.
Background technology
Current isolating switch needs to carry out durability test, and durability test is the long period test that circulates in short-term, and how improving test efficiency is the key of dealing with problems.Put forward to explicitly call for test method in the standards such as IEC61009, GB16917, IEC61008, GB16916, IEC60898, GB10963.Such as 1 isolating switch carries out durability test according to testing requirements, needs closed disconnection N time.Arrange as follows closed trip time each time: breaker closing t1 conduction time, isolating switch power-off t2.Carrying out durability test required time according to above-mentioned calculating 1 isolating switch is N × (t1+t2), and it is 3 × N × (t1+t2) that 3 isolating switchs carry out durability test required time.This isolating switch durability test cycling pneumatic means can complete 3 isolating switch durability tests in N × (t1+t2) time, and test efficiency improves 3 times.
Utility model content
The technical scheme that the utility model solve the technical problem is: design a kind of isolating switch durability test cycling pneumatic means, and this isolating switch durability test cycling pneumatic means comprises cylindrical slide bar, adjustable handle, cylinder, solenoid valve, four-way, dyad and air source of the gas seven part; The connected mode of above-mentioned device is: air source of the gas, dyad and four-way are connected in series with pvc pipe, with pvc pipe, other for four-way three ventholes are connected in parallel three, left, center, right solenoid valve, by the return-air hole that the air outlet valve of solenoid valve pvc pipe connects the air admission hole of cylinder, the return-air valve of solenoid valve pvc pipe connects cylinder, adjustable handle is arranged on cylindrical slide bar, by cylindrical slide bar and is fixed on cylinder.
The effect of air source of the gas is that pressurized air provides pneumatic power, meets the different requirement of different size circuit breaker operating physical force by regulating the size of pressurized air pressure; The effect of dyad is that the impurity such as the moisture in filtering compressed air ensure compressed-air actuated quality, possesses the function of regulation output pressure size simultaneously; The effect of four-way be pressurized air average mark that air source of the gas is provided to three solenoid valves, reach the object of mean allocation air source of the gas; Solenoid valve and the effect of cylinder are that both carry out coordinating and regulate compressed-air actuated circulation; Solenoid valve mainly comprises a road gas admittance valve, a road air outlet valve, a road return-air valve, solenoid valves air outlet valve is opened, return-air valve is closed the air admission hole that gas enters cylinder and cylinder piston is moved upward, and solenoid valve power-off air outlet valve cuts out, return-air valve is opened the return-air hole that gas enters cylinder and cylinder piston is moved downward.Cylinder mainly comprises air admission hole, venthole, piston three part, and gas is entered by air admission hole and impels piston upwards, and gone out by venthole and impel piston to move downward, gas impels piston to move up and down at cylinder Inner eycle.Piston moves up and down in the stroke range of regulation, drives cylindrical slide bar to move up and down; Adjustable handle is fixed on cylindrical slide bar, and cylindrical slide bar moves up and down and drives adjustable handle to move up and down; Adjustable handle comprises lower handle and upper handle, upper handle moves upward close circuit breaker, lower handle moves downward breaking circuit breaker, during different breaker closing, handle moves up and down apart from different, by the needs regulating the upper handle of adjustable handle and the spacing of lower handle to meet breaker closing, disjunction.
The beneficial effects of the utility model are the testing requirementss for standards such as IEC61009, GB16917, IEC61008, GB16916, IEC60898, GB10963, design isolating switch durability test cycling pneumatic means, isolating switch durability test efficiency is improve 3 times.
Accompanying drawing explanation
Fig. 1 is the utility model isolating switch durability test cycling pneumatic means structural representation;
Fig. 2 is the utility model isolating switch durability test cycling pneumatic means workflow diagram;
In figure, 1. circular slide bar, 2. adjustable handle, 3. cylinder, 4. solenoid valve, 5. four-way, 6. dyad, 7. air source of the gas.
Embodiment
This isolating switch durability test cycling pneumatic means of the structural representation of the present embodiment shown in Fig. 1 comprises cylindrical slide bar 1, adjustable handle 2, cylinder 3, solenoid valve 4, four-way 5, dyad 6 and air source of the gas 7 and amounts to seven parts; Wherein solenoid valve comprises a road gas admittance valve, a road air outlet valve, a road return-air valve, and cylinder mainly comprises air admission hole, venthole, piston three part, and adjustable handle comprises lower handle and upper handle.
The connected mode of above-mentioned device is: air source of the gas 7, dyad 6 and four-way 5 are connected in series with pvc pipe, with pvc pipe, other for four-way three ventholes are connected in parallel three, left, center, right solenoid valve 4, by the return-air hole that the air outlet valve of solenoid valve 4 pvc pipe connects the air admission hole of cylinder 3, the return-air valve pvc pipe of solenoid valve 4 connects cylinder 3, adjustable handle 2 is arranged on cylindrical slide bar 1, by cylindrical slide bar 1 and is fixed on cylinder 3.
The principle of work of the utility model device is more specifically described: air source of the gas 7 provides pressure gas, gas enters dyad 6 and then enters four-way 5 through filtering, and gas is distributed by uniform the gas admittance valve entering three solenoid valves 4 in left, center, right in four-way; Three, left, center, right solenoid valve 4 is energized successively, two other solenoid valve 4 power-off when one of them solenoid valve 4 is energized at every turn; Breaker closing t1 conduction time, isolating switch power-off time t2 during isolating switch durability test, corresponding solenoid valves time t1, power-off time t2, in one of them solenoid valve 4 power-off time t2, two other solenoid valve 4 difference t1 conduction time; Three, left, center, right solenoid valve 4 realizes taking turns to operate in t1+t2, so carry out durability test to three isolating switchs in same time simultaneously, namely isolating switch durability test efficiency improves three times; Solenoid valve 4 is energized that air outlet valve is opened, return-air valve is closed the air admission hole that gas enters cylinder 3 and cylinder piston is moved upward, and drives cylindrical slide bar 1, adjustable handle 2 moves upward, breaker closing; Solenoid valve 4 power-off air outlet valve cuts out, return-air valve is opened the return-air hole that gas enters cylinder 3 and cylinder piston is moved downward, and drive cylindrical slide bar 1, adjustable handle 2 moves downward, isolating switch disconnects.
The workflow of the present embodiment shown in Fig. 2: air source of the gas → installation test sample also regulates sample position → regulate the successively position of each bar branch road air pressure and adjustable handle → whether suitable? → no → regulate the position of each bar branch road air pressure and adjustable handle to suitable successively; Be → every bar branch road access programable time relay or Programmable Logic Controller → establishing criteria requirement arrange every bar prop up way solenoid valve conduction time → start to test → reach the test number (TN) of standard-required, test stops
Further illustrate and be: opening air source of the gas provides gas to isolating switch durability test cycling pneumatic means, isolating switch adjusting position are installed ensure to install firmly, the position of each bar branch road air pressure and adjustable handle is regulated to ensure under suitable air pressure, make adjustable handle energy reliably closing cut-off breaker successively, every bar branch road access programable time relay or Programmable Logic Controller, breaker electrifying time t1 and isolating switch power-off time t2 is controlled, breaker closing t1 conduction time solenoid valves time corresponding to isolating switch power-off time t2 t1 and power-off time t2 during isolating switch durability test, in one of them solenoid valve power-off time t2, two other solenoid valve difference t1 conduction time, three, left, center, right solenoid valve realizes taking turns to operate in t1+t2, arrange according to standard-required the conduction time that every bar props up way solenoid valve, above-mentioned preliminary work is complete starts test, and reach the test number (TN) of standard-required, test stops.
Claims (1)
1. isolating switch durability test cycling pneumatic means, is characterized in that: comprise cylindrical slide bar, adjustable handle, cylinder, solenoid valve, four-way, dyad and air source of the gas and amount to seven parts; Wherein solenoid valve comprises a road gas admittance valve, a road air outlet valve, a road return-air valve, and cylinder mainly comprises air admission hole, venthole, piston three part, and adjustable handle comprises lower handle and upper handle; The connected mode of above-mentioned device is: air source of the gas, dyad and four-way are connected in series with pvc pipe, with pvc pipe, other for four-way three ventholes are connected in parallel three, left, center, right solenoid valve, by the return-air hole that the air outlet valve of solenoid valve pvc pipe connects the air admission hole of cylinder, the return-air valve of solenoid valve pvc pipe connects cylinder, adjustable handle is arranged on cylindrical slide bar, by cylindrical slide bar and is fixed on cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518142.2U CN204101693U (en) | 2014-09-10 | 2014-09-10 | Isolating switch durability test cycling pneumatic means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518142.2U CN204101693U (en) | 2014-09-10 | 2014-09-10 | Isolating switch durability test cycling pneumatic means |
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| Publication Number | Publication Date |
|---|---|
| CN204101693U true CN204101693U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518142.2U Expired - Fee Related CN204101693U (en) | 2014-09-10 | 2014-09-10 | Isolating switch durability test cycling pneumatic means |
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| Country | Link |
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| CN (1) | CN204101693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203950A (en) * | 2015-11-05 | 2015-12-30 | 山东省产品质量检验研究院 | Operating device for electrical life test of residual current operated circuit breaker and application of operating device |
| CN105914596A (en) * | 2016-06-12 | 2016-08-31 | 刘凡 | Explosion-proof power distribution cabinet |
-
2014
- 2014-09-10 CN CN201420518142.2U patent/CN204101693U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203950A (en) * | 2015-11-05 | 2015-12-30 | 山东省产品质量检验研究院 | Operating device for electrical life test of residual current operated circuit breaker and application of operating device |
| CN105914596A (en) * | 2016-06-12 | 2016-08-31 | 刘凡 | Explosion-proof power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150910 |
|
| EXPY | Termination of patent right or utility model |