CN102361227A - High-voltage combined electric appliance - Google Patents
High-voltage combined electric appliance Download PDFInfo
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- CN102361227A CN102361227A CN2011101992123A CN201110199212A CN102361227A CN 102361227 A CN102361227 A CN 102361227A CN 2011101992123 A CN2011101992123 A CN 2011101992123A CN 201110199212 A CN201110199212 A CN 201110199212A CN 102361227 A CN102361227 A CN 102361227A
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- vacuum circuit
- permanent magnet
- isolating switch
- breaker
- switch
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Abstract
The invention discloses a high-voltage combined electric appliance and belongs to a part of high-voltage switch equipment. The high-voltage combined electric appliance comprises a rack, a vacuum circuit breaker, an isolating switch and a grounding switch, wherein the vacuum circuit breaker is arranged on one side of the rack; the isolating switch which is matched with the vacuum circuit breaker is arranged on the other side of the rack; and the grounding switch and the isolating switch are arranged in parallel on the other side of the rack. The high-voltage combined electric appliance is characterized in that: operating mechanisms adopt a permanent magnet mechanism and a linkage mechanism; the permanent magnet mechanism and the vacuum circuit breaker are arranged in parallel on one side of the rack; the linkage mechanism is arranged at the bottom, corresponding to a position where the vacuum circuit breaker and the permanent magnet mechanism are arranged, of the rack; the isolating switch and the grounding switch are respectively provided with an independent operating mechanism; and the operating mechanism, which does not comprise an energy storage spring, of the isolating switch comprises a manual operating rod and a connection component which is connected to the vacuum circuit breaker. Compared with the conventional high-voltage combined electric appliance of which the operating mechanisms respectively adopt a mechanical spring mechanism and the isolating switch is turned on and off by using an energy storage spring mechanism, the high-voltage combined electric appliance has the advantages that: running reliability is improved; and service life is prolonged.
Description
Technical field: the invention belongs to a kind of parts of high voltage switchgear, particularly a kind of high pressure combined electrical apparatus with vacuum circuit-breaker, isolating switch, earthed switch function.
Background technology: existing high pressure combined electrical apparatus, like document 1 ZL200920035512.6 disclosed " isolating switch and vacuum circuit-breaker combined electrical apparatus ", document 2 ZL201020252707.9 disclosed " a kind of vacuum isolating switch combined electrical apparatus ".There is following weak point in combinations thereof electrical equipment in operation is used:
1, the branch of vacuum circuit-breaker, switch-on operating mechanism all adopt mechanical spring mechanism.This mechanical spring mechanism mainly relies on the energy storage of spring---and discharge and accomplish branch, closing operation; In addition drive disk assembly many, have mechanical wear; In servicely not only need periodic maintenance maintenance, and the situation of mechanism blockage happens occasionally, in addition because of the thermal energy storage process of spring not in place; Occur disjunction or closing operation steal jump, energy storage is with the serious accident of burn-down of electric motor, causes the operational reliability of whole combined electrical apparatus seriously to descend.
2, isolating switch, earthed switch share same energy-stored spring mechanism.As shown in Figure 3, isolating switch 01 and earthed switch 02 share same energy-stored spring mechanism 03..During the high-voltage appliance switch operation requires; Close, divide the different speed standard of having stipulated for isolating switch, earthed switch: closing, dividing of earthed switch must be carried out fast; So adopt rotating operation handle--compressed energy-storage spring---rotational travel " excessively ", promptly energy-stored spring arrive maximum compression point---relief lever---switch by the elastic restoring force of energy-stored spring close at short notice, minute; And to the closing of isolating switch, divide and do not have rate request, allow to close at a slow speed, divide.And isolating switch, earthed switch in the existing high pressure combined electrical apparatus share same energy-stored spring mechanism; Force isolating switch close, divide also must adopt with earthed switch close, divide same close fast, the branch process; This just on the one hand makes the closing of isolating switch, sub-agencies the mechanical wear that unnecessary high speed motion causes occur, also make on the other hand energy-stored spring mechanism unnecessary double aging in advance.
In sum, cause operational reliability not high like document 1,2 disclosed prior art high pressure combined electrical apparatuses because of adopting mechanical spring mechanism; Because divide, the closing of switch-on operating mechanism mechanical wear and isolating switch, mechanical wear that sub-agencies is unnecessary, and the energy-stored spring mechanism that share of isolating switch, earthed switch is aging in advance, so shortened useful life.This shows that research and design and operation reliability are improved, a kind of high pressure combined electrical apparatus that obtains prolonging useful life is necessary.
Summary of the invention: the objective of the invention is to overcome the deficiency of prior art, research and design and operation reliability are improved a kind of high pressure combined electrical apparatus that obtains prolonging useful life.
The technical scheme that realizes the object of the invention is: a kind of high pressure combined electrical apparatus; Comprise frame; Be installed on the vacuum circuit-breaker of frame one side, the frame opposite side cooperates the isolating switch of installing with vacuum circuit-breaker, the earthed switch that frame opposite side and isolating switch are installed side by side; It is characterized in that being designed with the permanent magnet mechanism that is installed on frame one side with vacuum circuit-breaker side by side, be installed on the link gear of the frame bottom corresponding with vacuum circuit-breaker and permanent magnet mechanism; Isolating switch and earthed switch are designed with independently operating mechanism respectively.
The object of the invention can also take following further technical measures to realize:
Described permanent magnet mechanism comprises moving iron core, is matched with moving iron core and is around in switching winding and the closing coil on the static iron core, is matched with the permanent magnet at moving iron core middle part, is positioned at the retainer that moves the iron core lower end and be linked in link gear.
Described link gear comprises that an end is connected in the pull bar of permanent magnet mechanism retainer; Cross-over connection is in the branch of pull bar and vacuum circuit-breaker lower end, the connecting lever between the combined floodgate insulation rod member; Be socketed on the pull bar near the sluice separating spring assembly at permanent magnet mechanism retainer link position, be abutted against in the buffer of the pull bar other end.
Described isolating switch operating mechanism comprises manual lever, is connected in the coupling assembling of vacuum circuit-breaker.
Described earthing switch operating mechanism comprises the ground wire junction block, and the actuating bar is with the actuating assembly of actuating bar interlock, the energy accumulation spring in the actuating assembly.
The combined floodgate and the breaking course of a kind of high pressure combined electrical apparatus that the present invention's enforcement obtains are following:
Close a floodgate:---rotational travel " excessively "---discharges the actuating bar---, and earthed switch is by the elastic restoring force disjunction at short notice of energy-stored spring 1, to rotate actuating bar compressed energy-storage spring; 2, manual lever rotates to the isolating switch direction of closing, and utilizes operating personnel's arm strength to realize the combined floodgate of isolating switch at a slow speed; 3,---its moving iron core moves to the combined floodgate direction under the acting in conjunction of magnetic force that in static iron core, produces after the closing coil energising and permanent magnet magnetic force--moves to the combined floodgate direction through branch, the combined floodgate insulating bar that retainer orders about pull bar-connecting lever pulling vacuum circuit-breaker lower end to connect the electric current of permanent magnet mechanism closing coil, reaches the combined floodgate of vacuum circuit-breaker.
Disjunction: the electric current of 1, connecting the permanent magnet mechanism switching winding---is being moved to the separating brake direction under the magnetic force that its moving iron core produces in static iron core in switching winding energising back and the acting in conjunction of permanent magnet magnetic force---and in retainer orders about pulling and the aforementioned making process of pull bar-connecting lever, is being received under the sluice separating spring acting in conjunction that energy storage compresses; The branch of vacuum circuit-breaker lower end, combined floodgate insulating bar reach the disjunction of vacuum circuit-breaker to the motion of disjunction direction; 2, manual lever rotates to breaking off the isolating switch direction, utilizes operating personnel's arm strength to realize the disjunction of isolating switch at a slow speed; 3, rotate actuating bar compressed energy-storage spring---rotational travel " excessively ",---discharging actuating bar---earthed switch is by the elastic restoring force of energy-stored spring closing locking at short notice.
A kind of high pressure combined electrical apparatus that the present invention's enforcement obtains has shown following beneficial effect through trying out:
1, improved operational reliability.All adopt the prior art high pressure combined electrical apparatus of mechanical spring mechanism to compare with document 1,2 disclosed vacuum circuit-breaker branches, switch-on operating mechanism; The present invention adopts simple, the moving iron core adhesive of transmission process reliable; Close, the steathily permanent magnet mechanism of jumping accident can not take place in gate-dividing state; And rationally supporting with it link gear simple in structure is realized the combined floodgate and the disjunction of vacuum circuit-breaker, the inevitable operational reliability that has improved whole high pressure combined electrical apparatus significantly.
2, prolonged useful life.All adopt mechanical spring mechanism with document 1,2 disclosed vacuum circuit-breaker branches, switch-on operating mechanism; The branch of isolating switch, close and adopt the prior art high pressure combined electrical apparatus of energy-stored spring mechanism to compare; The present invention adopts drive disk assembly greatly to reduce; The permanent magnet mechanism that mechanism wear own is minimum, and rationally supporting with it link gear simple in structure is realized the combined floodgate and the disjunction of vacuum circuit-breaker; The employing of closing, divide of isolating switch is manually carried out at a slow speed.On the one hand with the mechanical wear of vacuum circuit-breaker branch, switch-on operating mechanism for reducing, avoided the closing of isolating switch, mechanical wear that sub-agencies is unnecessary, also make energy-stored spring mechanism reduce half the operation use amount on the other hand.The inevitable useful life that prolongs whole high pressure combined electrical apparatus from many aspects.
Description of drawings: Fig. 1 is the sketch map that meets thematic structure of the present invention; Fig. 2 is that sketch map is looked on the left side of the present invention among Fig. 1; Fig. 3 is the sketch map that combined electrical apparatus isolating switch, the earthed switch of prior art share same energy-stored spring mechanism; Fig. 4 is the perspective diagram of the present invention among Fig. 1.
Embodiment: below in conjunction with accompanying drawing as follows: like Fig. 1, shown in 4 with implementation detail explanation of the present invention; A kind of high pressure combined electrical apparatus; Comprise frame 1; Be installed on the vacuum circuit-breaker 2 of frame one side, the frame opposite side cooperates the isolating switch of installing 3 with vacuum circuit-breaker, the earthed switch 4 that frame opposite side and isolating switch are installed side by side; It is characterized in that being designed with the permanent magnet mechanism 5 that is installed on frame one side with vacuum circuit-breaker side by side, be installed on the link gear 6 of the frame bottom corresponding with vacuum circuit-breaker and permanent magnet mechanism; Isolating switch and earthed switch are designed with independently operating mechanism 7,8 respectively.
As shown in Figure 1, described permanent magnet mechanism 5 comprises moving iron core 51, is matched with moving iron core and is around in the switching winding 52 and closing coil 53 on the static iron core, is matched with the permanent magnet 54 at moving iron core middle part, is positioned at moving iron core lower end and is linked in the retainer 55 of link gear 6.It is common process that branch, closing coil are around in static iron core, so do not mark among the static iron core figure.
As shown in Figure 2; Described link gear 6 comprises that an end is connected in the pull bar 61 of permanent magnet mechanism retainer 55; Cross-over connection is in the branch of pull bar and vacuum circuit-breaker lower end, the connecting lever 62 between the combined floodgate insulation rod member; Be socketed on the pull bar near the sluice separating spring assembly 63 at permanent magnet mechanism retainer link position, be abutted against buffer 64 in the pull bar other end.
As shown in Figure 1, described isolating switch operating mechanism 7 comprises manual lever 71, is connected in the coupling assembling 72 of vacuum circuit-breaker 2.Described earthing switch operating mechanism 8 comprises ground wire junction block 81, and actuating bar 82 is with the actuating assembly 83 of actuating bar interlock, the energy accumulation spring 831 in the actuating assembly.
Claims (5)
1. a high pressure combined electrical apparatus comprises frame (1), is installed on the vacuum circuit-breaker (2) of frame one side, and the frame opposite side cooperates the isolating switch of installing (3) with vacuum circuit-breaker, and the earthed switch (4) that frame opposite side and isolating switch are installed side by side is characterized in that
---be designed with the permanent magnet mechanism (5) that is installed on frame one side with vacuum circuit-breaker side by side, be installed on the link gear (6) of the frame bottom corresponding with vacuum circuit-breaker and permanent magnet mechanism;
---isolating switch and earthed switch are designed with independently operating mechanism (7) and (8) respectively.
2. a kind of high pressure combined electrical apparatus according to claim 1; It is characterized in that described permanent magnet mechanism (5) comprises moving iron core (51); Be matched with moving iron core and be around in switching winding (52) and the closing coil (53) on the static iron core; Be matched with the permanent magnet (54) at moving iron core middle part, be positioned at the retainer (55) that moves the iron core lower end and be linked in link gear (6).
3. a kind of high pressure combined electrical apparatus according to claim 1; It is characterized in that described link gear (6) comprises that an end is connected in the pull bar of permanent magnet mechanism retainer (55) (61); Cross-over connection is in the branch of pull bar and vacuum circuit-breaker lower end, the connecting lever (62) between the combined floodgate insulation rod member; Be socketed on the pull bar near the sluice separating spring assembly (63) at permanent magnet mechanism retainer link position, be abutted against buffer (64) in the pull bar other end.
4. a kind of high pressure combined electrical apparatus according to claim 1 is characterized in that described isolating switch operating mechanism (7) comprises manual lever (71), is connected in the coupling assembling (72) of vacuum circuit-breaker (2).
5. a kind of high pressure combined electrical apparatus according to claim 1 is characterized in that described earthing switch operating mechanism (8) comprises ground wire junction block (81), and actuating bar (82) is with the actuating assembly (83) of actuating bar interlock, the energy accumulation spring in the actuating assembly (831).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101992123A CN102361227A (en) | 2011-07-18 | 2011-07-18 | High-voltage combined electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101992123A CN102361227A (en) | 2011-07-18 | 2011-07-18 | High-voltage combined electric appliance |
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| Publication Number | Publication Date |
|---|---|
| CN102361227A true CN102361227A (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101992123A Pending CN102361227A (en) | 2011-07-18 | 2011-07-18 | High-voltage combined electric appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053888A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum circuit breaker based on isolation structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919499Y (en) * | 2006-06-30 | 2007-07-04 | 宁波通达电器开关厂 | Vacuum load switch-fuse combined electrical equipment |
| CN201057622Y (en) * | 2007-08-10 | 2008-05-07 | 湖南天鹰高压开关电器有限公司 | Isolating/grounding switch of totally enclosed combined electrical apparatus |
| CN201853643U (en) * | 2010-10-30 | 2011-06-01 | 福建逢兴机电设备有限公司 | High breaking vacuum load switch-fuse combined electrical appliance |
| CN202142775U (en) * | 2011-07-18 | 2012-02-08 | 句容华源电器设备有限公司 | High pressure combination electric appliance |
-
2011
- 2011-07-18 CN CN2011101992123A patent/CN102361227A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919499Y (en) * | 2006-06-30 | 2007-07-04 | 宁波通达电器开关厂 | Vacuum load switch-fuse combined electrical equipment |
| CN201057622Y (en) * | 2007-08-10 | 2008-05-07 | 湖南天鹰高压开关电器有限公司 | Isolating/grounding switch of totally enclosed combined electrical apparatus |
| CN201853643U (en) * | 2010-10-30 | 2011-06-01 | 福建逢兴机电设备有限公司 | High breaking vacuum load switch-fuse combined electrical appliance |
| CN202142775U (en) * | 2011-07-18 | 2012-02-08 | 句容华源电器设备有限公司 | High pressure combination electric appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053888A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum circuit breaker based on isolation structure |
| CN112053888B (en) * | 2020-09-17 | 2022-10-04 | 安徽普众机电有限公司 | Vacuum circuit breaker based on isolation structure |
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Application publication date: 20120222 |