CN202562984U - Parallel connected low-pressure air switch testing device - Google Patents
Parallel connected low-pressure air switch testing device Download PDFInfo
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- CN202562984U CN202562984U CN2012201580195U CN201220158019U CN202562984U CN 202562984 U CN202562984 U CN 202562984U CN 2012201580195 U CN2012201580195 U CN 2012201580195U CN 201220158019 U CN201220158019 U CN 201220158019U CN 202562984 U CN202562984 U CN 202562984U
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Abstract
本实用新型揭示了一种并接式低压空气开关测试装置包括取电装置和外接空气开关，所述的取电装置由横梁及其两侧的夹臂构成“凹”形绝缘本体，两个所述的夹臂端部均设有两个接线柱，四根导线一端分别与所述的接线柱连接，由同侧接线柱引出的导线另一端分别接入外接空气开关同侧的接线孔处，所述的其中一个夹臂上设有通孔且安装有紧固螺栓，所述的紧固螺栓可向“凹”形本体内延伸，将取电装置牢固固定于被测电路空气开关上。此装置是将外接空气开关与被测电路空气开关并联，之后将被测电路空气开关断路，让外接空气开关代替被测电路空气开关工作，便于钳形电流表检查，同时也能保证检验过程中的用电安全。
The utility model discloses a parallel-connected low-voltage air switch test device, which includes a power-taking device and an external air switch. The ends of the above clamp arms are provided with two terminal posts, one end of the four wires is respectively connected to the above terminal posts, and the other ends of the wires drawn from the terminal posts on the same side are respectively connected to the wiring holes on the same side of the external air switch. One of the clamp arms is provided with a through hole and a fastening bolt is installed, and the fastening bolt can extend into the "concave" shaped body to securely fix the power-taking device on the air switch of the circuit under test. This device connects the external air switch in parallel with the air switch of the circuit under test, and then disconnects the air switch of the circuit under test, allowing the external air switch to work instead of the air switch of the circuit under test. Electrical Safety.
Description
Technical field
The utility model relates to electric power electrotechnical apparatus technical field, specifically, relates to a kind of safe and reliable electric power check utility appliance.
Background technology
At present, the person of checking meter of power department is run into the unusual fluctuations of customers' responsiveness electric weight through regular meeting checking meter to press for payment of in the electricity charge process, and the person of checking meter if can be worn the electricity test that compares in the presence of the client, is to help customer analysis and then find out the unusual best method of electric weight.Do experiment and answer client's query in the scene; Whether the most frequently used method is to coincide with the actual used load in this family, corresponding ammeter counting electric weight with clamp on amperemeter measuring customer man load current; Single-phase air switch turnover line all compares slightly in the table case owing to concentrate, and is that cabling attractive in appearance all compares directly, comes measuring customer man load current if want with clamp on amperemeter card live wire or zero line; The narrow and small jaw in helpless space can't open certainly and also just block less than line, and answer is difficult to make an experiment.
The utility model content
The utility model technical matters to be solved is to be implemented under the situation of not cutting off the power supply, the servicing unit from circuit-under-test air switch power taking detection that can be safe and efficient.
To achieve these goals; The technical scheme that the utility model adopts is: a kind of and connect formula low-voltage air switch proving installation and comprise electricity getting device and external air switch; Described electricity getting device constitutes " recessed " shape insulating body by the jig arm of crossbeam and both sides thereof; Two described jig arm ends are equipped with two binding posts; Four lead one ends are connected with described binding post respectively, and between two binding posts on horizontal range and the air switch/following pile crown two terminal screw spacings are corresponding, the lead other end of being drawn by the homonymy binding post inserts the wiring hole place of external air switch homonymy respectively; Described one of them jig arm is provided with through hole and fastening bolt is installed; Described fastening bolt can extend in " recessed " shape body, electricity getting device is firmly secured on the circuit-under-test air switch, this moment described binding post respectively with the circuit-under-test air switch up and down pile crown contact.
Described binding post links to each other with the stem end; Radially be provided with the fairlead that is used for fixing lead on the described stem; Stem outer end to fairlead is provided with screw and the lead fixed double-screw bolt is installed, and described jig arm is respectively equipped with wire guide and mounting hole with respect to fairlead and the position that the lead fixed double-screw bolt is installed.
Described binding post is copper binding post of the spring.
Described binding post and stem connecting portion are fixed in the fixed bolt of hollow, and described fixed bolt and mounting hole threaded engagement are fixed in binding post and stem in the jig arm.
Described mounting hole is provided with insulating cap outward.
The end of one of them described jig arm is processed with the card button of two convexities, and two preformed holes under position and the air switch of this card button under the pile crown are corresponding, are used in vertical direction this device being fixed on air switch.
Described crossbeam both sides are provided with the anti-slip tank of depression.
The advantage of the utility model is; This apparatus structure is simple, safe and reliable, easy to use, can be in power taking check under the live state, and this device is that external air switch is parallelly connected with the circuit-under-test air switch; Afterwards the circuit-under-test air switch is opened circuit; Let external air switch replace the work of circuit-under-test air switch, be convenient to the clamp on amperemeter inspection, also can guarantee the Electrical Safety in the checkout procedure simultaneously.
Description of drawings
Face the content of every width of cloth accompanying drawing expression in the utility model instructions and the mark among the figure down and make brief description:
Fig. 1,2 is the electricity getting device structural representation;
Fig. 3 is Fig. 1, the binding post fragmentary cross-sectional view of electricity getting device shown in 2;
Fig. 4 for and connect formula low-voltage air switch proving installation schematic block circuit diagram;
Mark among the above-mentioned figure is: 1, crossbeam; 2, jig arm; 3, binding post; 4, fastening bolt; 5, lead; 6, fixed bolt; 7, stem; 8, lead fixed double-screw bolt; 9, wire guide; 10, mounting hole; 11, fairlead; 12, anti-slip tank; 13, electricity getting device; 14, external air switch; 15, electric energy meter; 16, circuit-under-test air switch; 17, load.
Embodiment
The supply line that is linked into users home is mostly via inserting respective load 17 behind electric energy meter 15, the air switch; Be difficult to the power taking check; This moment, the person of checking meter can use this device to be installed on this family circuit-under-test air switch 16; Can know referring to Fig. 4, and connect formula low-voltage air switch proving installation and mainly comprise electricity getting device 13 and external air switch 14, through electricity getting device 13 that external air switch 14 is parallelly connected with circuit-under-test air switch 16.
Can know referring to Fig. 1-3; Electricity getting device 13 constitutes " recessed " shape insulating body by the jig arm 2 of crossbeam 1 and both sides thereof; Crossbeam 1 can be the integral structure component by the rigid insulation plastics forming with jig arm 2, and the width of crossbeam 1 is identical with the width of circuit-under-test air switch 16, behind two jig arm, the 2 clamping air switches; The switch that air switch can be pulled is positioned at the sunk part of electricity getting device 13 " recessed " shape structure; Do not influence the folding that sky is opened after making it be fixed on circuit-under-test air switch 16 tops, crossbeam 1 both sides are provided with the anti-slip tank 12 of depression, and are non-slip during electricity getting device 13 easy to use.One of them jig arm 2 is provided with through hole and fastening bolt 4 is installed; Fastening bolt 4 can extend in " recessed " shape body along this through hole; Electricity getting device 13 is firmly secured on the circuit-under-test air switch 16, and fastening bolt 4 outer ends are provided with the bakelite handgrip, anti-skidding and protection against electric shock.Two jig arm 2 ends are equipped with two binding posts 3; Contact with upper and lower four pile crowns of circuit-under-test air switch 16 respectively and get access to live wire and zero line power supply; Binding post 3 uses copper binding post of the spring; Diameter is 5 millimeter, can freely stretch within the specific limits, thereby drive upper and lower pile crown reliably, contact closely with sky.About 4 millimeters of four leads, 5 every diameter, the one of which end is connected with four binding posts 3 respectively, realizes the function of power taking check from the circuit-under-test air switch 16.
The end of binding post 3 in jig arm is connected with stem 7 one ends; Radially be provided with the fairlead 11 that is used for fixing lead 5 on the stem 7; Stem 7 outer ends to fairlead 11 is provided with screw and lead fixed double-screw bolt 8 is installed; After fairlead 11 is inserted in lead 5 ends, can tighten lead 5 through tighten down fixed bolt 8, jig arm 2 is respectively equipped with wire guide 9 and mounting hole 10 with respect to fairlead 11 and the position that lead fixed double-screw bolt 8 is installed, thereby makes things convenient for lead 5 wiring; Also insulating cap can be installed outside the mounting hole 10, avoid electric leakage dangerous.
Be the copper binding post of the spring of convenient installation; Binding post 3 is fixed in the fixed bolt 6 of hollow with stem 7 connecting portions; Fixed bolt 6 and mounting hole 10 threaded engagement, thus can binding post 3 and stem 7 be fixed in the jig arm 2, during installation through fixed bolt 6 and mounting hole 10; Fixed bolt 6 is screwed in the jig arm 2 by mounting hole 10 places, and the through hole that binding post 3 is reserved by jig arm 2 ends is stretched out.
For fixing more firm; The end of a jig arm 2 is processed with the card button of two convexities therein; Two preformed holes under position and the air switch of this card button under the pile crown are corresponding, thereby cooperation fastening bolt 4 is with more firm being fixed on the air switch of electricity getting device.
Can know referring to Fig. 4; Lead 5 other ends of being drawn by homonymy binding post 3 insert the wiring hole place of external air switch 14 homonymies respectively; When four binding posts 3 when pile crown contacts about in the of 16 with the circuit-under-test air switch respectively; 14 of external air switches are parallelly connected with circuit-under-test air switch 16, and external air switch 14 can adopt the bipolar air switch of DZ47-63 C63.
During concrete the use, pinching the anti-slip tank 12 of electricity getting device 13 left and right sides and picking up, two preformed holes under the card button aligning air switch under the pile crown make the left and right sides of device and the empty left and right sides of opening be attached to same plane; Bottom towards device firmly is buckled in electricity getting device 13 on the circuit-under-test air switch 16 afterwards, makes the 3 inside stressed contractions of two copper spring binding posts compress sky and opens four charged screw of upper and lower pile crown, makes two protruding card buttons of device afterbody simultaneously; Just in time snap into sky and open down in two preformed holes under the pile crown, tighten bakelite handgrip bolt again, make its firmly the jam-packed sky open; Electricity getting device 13 connected reliably with circuit-under-test air switch 16 and was latched in this moment; Again four lead 5 one ends are introduced from the wire guide 9 of electricity getting device 13 respectively, be fixed in the fairlead 11, again its other end is fixed in the corresponding wiring hole of external air switch 14 homonymies place; Make circuit-under-test air switch 16 be in parallelly connected state with external air switch 14; Again pincerlike meter is snapped on the arbitrary test lead 5, carry out button-up operations after, external air switch 14 closes; Break off circuit-under-test air switch 16 again; Whether all load currents are all transferred to external air switch 14 loops like this, and the pincerlike meter current indication is exactly the current load current of client family, observe this moment pincerlike meter current indication and roughly conform to institute of client family turn on reduced current; For intelligent electric energy meter; Can also be through the button switching displayed to the neutral line current item, observe whether consistent with the clamp on amperemeter reading, the completion work for inspection.After work for inspection finished, the circuit-under-test air switch 16 that closes earlier broke off external air switch 14 again, removed electricity getting device 13, can restore to the original state fast.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within the protection domain of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201580195U CN202562984U (en) | 2012-04-16 | 2012-04-16 | Parallel connected low-pressure air switch testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201580195U CN202562984U (en) | 2012-04-16 | 2012-04-16 | Parallel connected low-pressure air switch testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202562984U true CN202562984U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201580195U Expired - Fee Related CN202562984U (en) | 2012-04-16 | 2012-04-16 | Parallel connected low-pressure air switch testing device |
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| CN (1) | CN202562984U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703339A (en) * | 2017-11-06 | 2018-02-16 | 杭州华春科技有限公司 | Electricity getting device |
| CN107887826A (en) * | 2017-12-05 | 2018-04-06 | 广东电网有限责任公司阳江供电局 | A kind of powered instrument of relocating of air switch |
| CN109813942A (en) * | 2019-03-25 | 2019-05-28 | 深圳市同昌汇能科技发展有限公司 | The air switch electricity getting device series-parallel for route |
| CN112327146A (en) * | 2020-07-03 | 2021-02-05 | 国网山东省电力公司淄博供电公司 | Portable low-voltage air switch comprehensive tester and use method thereof |
-
2012
- 2012-04-16 CN CN2012201580195U patent/CN202562984U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703339A (en) * | 2017-11-06 | 2018-02-16 | 杭州华春科技有限公司 | Electricity getting device |
| CN107703339B (en) * | 2017-11-06 | 2023-11-03 | 杭州华春科技有限公司 | Electricity taking device |
| CN107887826A (en) * | 2017-12-05 | 2018-04-06 | 广东电网有限责任公司阳江供电局 | A kind of powered instrument of relocating of air switch |
| CN109813942A (en) * | 2019-03-25 | 2019-05-28 | 深圳市同昌汇能科技发展有限公司 | The air switch electricity getting device series-parallel for route |
| CN109813942B (en) * | 2019-03-25 | 2024-04-26 | 深圳市同昌汇能科技发展有限公司 | Air switch electricity taking device for circuit series-parallel connection |
| CN112327146A (en) * | 2020-07-03 | 2021-02-05 | 国网山东省电力公司淄博供电公司 | Portable low-voltage air switch comprehensive tester and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI ELECTRIC POWER CO., LTD. Effective date: 20140327 Owner name: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI EL Effective date: 20140327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: STATE GRID WUHU POWER SUPPLY CO., LTD. OF ANHUI EL Free format text: FORMER NAME: ANHUI ELECTRIC POWER CORPORATION, WUHU POWER SUPPLY COMPANY |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 241000 WUHU, ANHUI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee after: STATE GRID ANHUI WUHU POWER SUPPLY Co. Address before: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee before: ANHUI WUHU POWER SUPPLY Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140327 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: STATE GRID ANHUI WUHU POWER SUPPLY Co. Address before: 241000 Zhongshan North Road, Jinghu, Anhui, No. 18, Patentee before: STATE GRID ANHUI WUHU POWER SUPPLY Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20200416 |