CN105161350A - Single-phase embedded pole medium-voltage vacuum contactor - Google Patents
Single-phase embedded pole medium-voltage vacuum contactor Download PDFInfo
- Publication number
- CN105161350A CN105161350A CN201510529707.6A CN201510529707A CN105161350A CN 105161350 A CN105161350 A CN 105161350A CN 201510529707 A CN201510529707 A CN 201510529707A CN 105161350 A CN105161350 A CN 105161350A
- Authority
- CN
- China
- Prior art keywords
- insulating
- pole body
- end cover
- switch tube
- operating mechanism
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention relates to a single-phase embedded pole medium-voltage vacuum contactor, which comprises an electromagnetic operation mechanism, a magnetic sensitive switch and an embedded pole, wherein the embedded pole is composed of an insulating pole body and an insulating end cover; the insulating pole body is provided with an upper line outlet base, a copper bus, a vacuum switch tube, a lower line outlet base and a soft connection lead; the copper bar is connected with the upper line outlet base and a fixed end of the vacuum switch tube respectively; the soft connection lead is connected with the lower line outlet base and a moving end of the vacuum switch tube respectively; a hollow cavity is formed in the lower part of the insulating pole body; a thread is formed in the hollow cavity; an isolating power supply assembly, an input lead and an outlet lead are packaged on the side surface of the hollow cavity; the input lead and the outlet lead are connected to an upper terminal and a lower terminal respectively; the electromagnetic operation mechanism is arranged in the insulating pole body and is fixed through bolts; a drive rod of the electromagnetic operation mechanism is directly connected with the moving end of the vacuum switch tube; a coil cable of the electromagnetic operation mechanism is connected with the isolating power supply assembly; a thread is formed in the outer wall of the insulating end cover, so the outer wall of the insulating end cover is in threaded connection with the hollow cavity of the embedded pole; and the magnetic sensitive switch is arranged on the end surface of the insulating end cover.
Description
Technical field
The present invention relates to vacuum switch field, particularly press vacuum contactor in single-phase pole type.
Background technology
According to the knowledge of the applicant, existing vacuum contactor is made up of every parts such as electric framework, metab, electromagnetic operating mechanism, auxiliary contact and vacuum switch tubes insulation usually.Electromagnetic operating mechanism is made up of the closing coil of ribbon core and armature, coil electricity, adhesive armature, dynamic, determine contact closed; Dynamic, determine contact closed after, connect divider resistance by auxiliary contact, reduce coil-end voltage, carry out combined floodgate maintenance; Work as coil losing electricity, can armature be discharged, due to tripping spring effect, move, determine contact separation disconnection.Closing coil is direct voltage normally.
Applicant finds under study for action, and the structure of existing vacuum contactor exists certain problem, mainly: be adopt the push rod that insulate to carry out high and low pressure to insulate and isolate between the vacuum switch tube that existing vacuum contactor adopts and electromagnetic operating mechanism; Sometimes also by transmission mechanisms such as connecting levers, the rectilinear motion of armature is passed to the moving contact of vacuum switch tube.These all make existing vacuum contactor complicated structure, height dimension larger.In addition, be adopt dividing plate and air to carry out electrical isolation between the three-phase of existing vacuum contactor, thus cause insulation distance longer, make overall dimensions larger.Bring the inconvenience in installation, debugging and safety thus.
Chinese invention patent document (application number: 201410020182.9) disclosed " integrated permanent-magnet device vacuum switch ", comprise ceramic package, Ceramic shell internal is vacuum environment, permanent magnet mechanism, drive rod, conducting rod, moving contact and fixed contact is packaged with in it, permanent magnet mechanism is connected with moving contact by drive rod, conducting rod, first binding post is connected with fixed contact, is electrically connected between the second binding post and conducting rod by flexible connecting line.Although it has compact conformation, advantage that insulation distance is little, its manufacturing process is complicated, debug difficulties.
Summary of the invention
The object of the invention is, overcome the deficiencies in the prior art, propose and study in single-phase pole type to press vacuum contactor, the present invention has totally-enclosed all insulation except outlet, also has compact conformation size little simultaneously, and Installation and Debugging are convenient, combine feature flexibly.
Technical solution of the present invention is, comprise electromagnetic operating mechanism, magnet-sensitive switch and wire outlet seat, it is characterized in that, have employed pole, pole is made up of insulating polar pole body and insulated end cover, insulating polar pole body and insulated end cover are installed together, and electromagnetic operating mechanism is arranged in insulating polar pole body, and magnet-sensitive switch is positioned at the end face of insulated end cover; Wire outlet seat comprises wire outlet seat and lower wire outlet seat; Wherein:
Insulating polar pole body is insulating material goods, and the top of insulating polar pole body is provided with the fixed end of wire outlet seat, copper busbar and vacuum switch tube, and the two ends of copper busbar connect the fixed end of wire outlet seat and vacuum switch tube respectively; The middle part of insulating polar pole body is provided with lower wire outlet seat and the one end of the wire that is flexible coupling, and the two ends of the wire that is flexible coupling connect the moved end of lower wire outlet seat and vacuum switch tube respectively; The bottom of insulating polar pole body is a cavity under shed, the inwall of cavity is provided with screw thread, the side of cavity be packaged with insulating power supply assembly and with the input lead of insulating power supply assembly accessory and output lead, input lead and output lead are connected upper terminal and lower terminal respectively;
Electromagnetic operating mechanism is arranged on inside the cavity of insulating polar pole body bottom, is fixed by screw with insulating polar pole body; The drive rod of electromagnetic operating mechanism is connected with the moved end of the vacuum switch tube in pole; Described electromagnetic operating mechanism is connected with insulating power supply assembly;
Insulated end cover adopts insulating material goods, and the outer wall of insulated end cover has screw thread, is threaded connection with the cavity of insulating polar pole body, forms insulated enclosure; The end face center of insulated end cover is provided with tapped blind hole.
It is characterized in that, magnet-sensitive switch is arranged in the tapped blind hole at end face center of insulated end cover, is less than 60mm is greater than 30mm with electromagnetic operating mechanism vertical range, and magnet-sensitive switch is for detecting the open and close state of vacuum switch tube.
It is characterized in that, the drive rod of electromagnetic operating mechanism is directly connected with the moved end of the vacuum switch tube in insulating polar pole body.
Compared with the prior art, the innovative point that the present invention has is:
1, the present invention adopts pole, and by electromagnetic operating mechanism and vacuum switch, all sealing is in pole, and except wire outlet seat, the external totally-enclosed all insulation of all the other parts, significantly reduces insulation distance;
2, electromagnetic operating mechanism of the present invention is directly connected with vacuum switch tube moved end, greatly reduces height dimension of the present invention, makes of the present invention simple and compact for structure;
3, the present invention is of many uses, easy for installation, flexible.As required, two-phase, three-phase can be formed, the modular contact of even more heterogeneous number; The present invention can realize bottom and install or wall-hanging installation, can also adjust phase spacing;
4, the present invention adopts magnet-sensitive switch, can solve the isolating problem of subsidiary loop and major loop well.Fail safe is good, facilitates installation and maintenance.
Advantage of the present invention is, reasonable in design, can solve the isolating problem of subsidiary loop and major loop preferably, and its structure is simple, good insulation preformance, use safety, have easy for installation, be convenient to debugging, safeguard simple feature.
Accompanying drawing explanation
Fig. 1, basic structure schematic diagram of the present invention.
The upward view of Fig. 2, basic structure schematic diagram of the present invention.
In figure, 1, pole; 1a, insulating polar pole body; 1b, upper wire outlet seat; 1c, copper busbar; 1d, vacuum switch tube; 1e, lower wire outlet seat; 1f, be flexible coupling wire; 1g, upper terminal; 1h, insulating power supply assembly; 1i, lower terminal; 2, electromagnetic operating mechanism; 2a, drive rod; 2b, shell; 2c, coil cable; 3, insulated end cover; 4, magnet-sensitive switch.
Embodiment
Below, with reference to the accompanying drawings, embodiments of the invention are described in detail.
As shown in Figure 1 and Figure 2, present invention employs pole 1, electromagnetic operating mechanism 2, insulated end cover 3, magnet-sensitive switch 4 and wire outlet seat.Pole 1 is made up of insulating polar pole body 1a and insulated end cover 3.Insulating polar pole body 1a and insulated end cover 3 are installed together, and electromagnetic operating mechanism 2 is arranged in insulating polar pole body 1a insulated end cover 3, and magnet-sensitive switch 4 is arranged on the end face of insulated end cover 3.Wire outlet seat comprises wire outlet seat and lower wire outlet seat.Wherein:
The top of the insulating polar pole body 1d of pole 1 is provided with the fixed end of wire outlet seat 1a, copper busbar 1c and vacuum switch tube 1d; The fixed end of upper wire outlet seat 1b, copper busbar 1c, vacuum switch tube 1d is fixedly encapsulated in the top of insulating polar pole body 1a, the two ends of copper busbar 1c are fixedly connected with the fixed end of vacuum switch tube 1d with upper wire outlet seat 1b respectively, and the moved end of vacuum switch tube 1d is positioned at the bottom of vacuum switch tube 1d.Be exposed in the cavity of insulating polar pole body 1a bottom outside the moved end of vacuum switch tube 1d; Fixedly be encapsulated in the middle part of insulating polar pole body 1a after lower wire outlet seat 1e is connected with the one end of the wire 1f that is flexible coupling, the other end of the wire 1f that is flexible coupling is connected with the moved end of vacuum switch tube 1d, compresses, then use binding nut locking with nut; Insulating power supply assembly 1h is fixedly encapsulated in the bottom of insulating polar pole body 1a, one end sealing of upper terminal 1g is at the cavity upper right corner place at insulating polar pole body 1a, the other end of upper terminal 1g exposes, lower terminal 1i is screwed outside the bottom of insulating polar pole body 1a, insulating power supply assembly 1h adopts input lead to be connected with upper terminal 1g and lower terminal 1i respectively with output lead, and the input lead of employing and output lead are also encapsulated in insulating polar pole body 1a.The insulating polar pole body 1d of pole 1 is insulating material goods.
The drive rod 2a upper end of electromagnetic operating mechanism 2 is furnished with screwed hole and is connected with the moved end screw rod of vacuum switch tube 1d, and electromagnetic operating mechanism 2 is connected with insulating power supply assembly 1h.The shell 2b of the electromagnetic operating mechanism 2 and insulating polar pole body 1d of pole 1 is fixed by screw, and the coil cable 2c of electromagnetic operating mechanism 2 is connected with upper terminal 1g.
Insulated end cover 3 and insulating polar pole body 1d are threaded connection fixing.Insulated end cover 3 adopts insulating material goods, and the outer wall of insulated end cover 3 has screw thread, and the outer wall of insulated end cover 3 and the cavity of insulating polar pole body 1d are threaded connection, and forms insulated enclosure; The end face center of insulated end cover 3 is provided with tapped blind hole.
Magnet-sensitive switch 4 is arranged in the tapped blind hole of insulated end cover 3, and magnet-sensitive switch 4 is less than 60mm with the vertical range of electromagnetic operating mechanism 2 and is greater than 30mm.
Magnet-sensitive switch 4 is furnished with indicator light.Magnet-sensitive switch 4 adopts induction type magnet-sensitive switch.
Divide-shut brake of the present invention is achieved in that lower terminal 1i external power supply, after switching on power, insulating power supply assembly 1h exports direct current power switch, the coil of electromagnetic operating mechanism 2 obtains electric, the dynamic core of electromagnetic operating mechanism 2 is moved upward and promotes drive rod 2a, the moved end promoting vacuum switch tube 1d again moves upward, and realizes closing a floodgate; After combined floodgate, insulating power supply assembly 1h switches output low-voltage direct power switch, and realizing closing a floodgate keeps; Meanwhile, the coil of electromagnetic operating mechanism 2 obtain electric after produce magnetic field, magnet-sensitive switch 4 senses magnetic field, and indicator light lights, and sends switching signal; During power-off, the moved downward of the tripping spring of drive rod 2a in electromagnetic operating mechanism 2, realizes separating brake, simultaneously magnetic field dissipate, and the indicator light of magnet-sensitive switch 4 extinguishes.
The above is specific embodiment of the invention scheme and know-why, and other design of any equivalence therewith, all in scope.
Claims (3)
1. press vacuum contactor in single-phase pole type, comprise electromagnetic operating mechanism (2), magnet-sensitive switch (4) and wire outlet seat, it is characterized in that, have employed pole (1), pole (1) is made up of insulating polar pole body (1a) and insulated end cover (3), insulating polar pole body (1a) and insulated end cover (3) are installed together, and electromagnetic operating mechanism (2) is arranged in insulating polar pole body (1a), and magnet-sensitive switch (4) is positioned at the end face of insulated end cover (3); Wire outlet seat comprises wire outlet seat (1b) and lower wire outlet seat (1e); Wherein:
Insulating polar pole body (1a) is insulating material goods, the top of insulating polar pole body (1a) is provided with the fixed end of wire outlet seat (1b), copper busbar (1c) and vacuum switch tube (1d), and the two ends of copper busbar (1c) connect the fixed end of wire outlet seat (1b) and vacuum switch tube (1d) respectively; The middle part of insulating polar pole body (1a) is provided with one end of lower wire outlet seat (1e) and the wire that is flexible coupling (1f), and the two ends of the wire that is flexible coupling (1f) connect the moved end of lower wire outlet seat (1e) and vacuum switch tube (1d) respectively; The bottom of insulating polar pole body (1a) is a cavity under shed, the inwall of cavity is provided with screw thread, the side of cavity be packaged with insulating power supply assembly (1h) and with the input lead of insulating power supply assembly (1h) accessory and output lead, input lead and output lead are connected upper terminal (1g) and lower terminal (1i) respectively;
Electromagnetic operating mechanism (2) is arranged on inside the cavity of insulating polar pole body (1a) bottom, is fixed by screw with insulating polar pole body (1a); The drive rod of electromagnetic operating mechanism (2) is connected with the moved end of the vacuum switch tube (1d) in insulating polar pole body (1a); Electromagnetic operating mechanism (2) is connected with insulating power supply assembly ((1h));
Insulated end cover (3) adopts insulating material goods, and the outer wall of insulated end cover (3) has screw thread, is threaded connection with the cavity of insulating polar pole body (1a), forms insulated enclosure; The end face center of insulated end cover (3) is provided with tapped blind hole.
2. press vacuum contactor in single-phase pole type according to claim 1, it is characterized in that, magnet-sensitive switch (4) is arranged in the tapped blind hole at the end face center of insulated end cover (3), be less than 60mm with electromagnetic operating mechanism (2) vertical range and be greater than 30mm, magnet-sensitive switch (4) is for detecting the open and close state of vacuum switch tube (1d).
3. press vacuum contactor in single-phase pole type according to claim 1, it is characterized in that, the drive rod of electromagnetic operating mechanism (2) is directly connected with the moved end of the vacuum switch tube (1d) in insulating polar pole body (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529707.6A CN105161350B (en) | 2015-08-26 | 2015-08-26 | Vacuum contactor is pressed in single-phase pole type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529707.6A CN105161350B (en) | 2015-08-26 | 2015-08-26 | Vacuum contactor is pressed in single-phase pole type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161350A true CN105161350A (en) | 2015-12-16 |
| CN105161350B CN105161350B (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510529707.6A Active CN105161350B (en) | 2015-08-26 | 2015-08-26 | Vacuum contactor is pressed in single-phase pole type |
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| Country | Link |
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| CN (1) | CN105161350B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321004A (en) * | 2018-02-27 | 2018-07-24 | 北京京东方真空电器有限责任公司 | A kind of pole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6723940B1 (en) * | 1999-04-13 | 2004-04-20 | Abb Inc. | Encapsulated magnetically actuated vacuum interrupter with integral bushing connector |
| CN2929944Y (en) * | 2006-07-30 | 2007-08-01 | 郭建厂 | Sealed outdoor high voltage permanent mechanism vacuum breaker |
| CN103069527A (en) * | 2010-07-15 | 2013-04-24 | Abb技术股份公司 | Method for producing a circuit-breaker pole part |
| CN202930305U (en) * | 2012-11-28 | 2013-05-08 | 西安爱尔发开关有限公司 | High voltage vacuum circuit breaker with O-shaped electrodynamic force compensation arrangement |
| CN204441179U (en) * | 2015-01-06 | 2015-07-01 | 刘文戈 | Primary cut-out |
-
2015
- 2015-08-26 CN CN201510529707.6A patent/CN105161350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6723940B1 (en) * | 1999-04-13 | 2004-04-20 | Abb Inc. | Encapsulated magnetically actuated vacuum interrupter with integral bushing connector |
| CN2929944Y (en) * | 2006-07-30 | 2007-08-01 | 郭建厂 | Sealed outdoor high voltage permanent mechanism vacuum breaker |
| CN103069527A (en) * | 2010-07-15 | 2013-04-24 | Abb技术股份公司 | Method for producing a circuit-breaker pole part |
| CN202930305U (en) * | 2012-11-28 | 2013-05-08 | 西安爱尔发开关有限公司 | High voltage vacuum circuit breaker with O-shaped electrodynamic force compensation arrangement |
| CN204441179U (en) * | 2015-01-06 | 2015-07-01 | 刘文戈 | Primary cut-out |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321004A (en) * | 2018-02-27 | 2018-07-24 | 北京京东方真空电器有限责任公司 | A kind of pole |
| CN108321004B (en) * | 2018-02-27 | 2024-04-30 | 北京京东方真空电器有限责任公司 | Pole post |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161350B (en) | 2017-11-14 |
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