CN201163592Y - Vacuum contactor - Google Patents
Vacuum contactor Download PDFInfo
- Publication number
- CN201163592Y CN201163592Y CNU2007201292873U CN200720129287U CN201163592Y CN 201163592 Y CN201163592 Y CN 201163592Y CN U2007201292873 U CNU2007201292873 U CN U2007201292873U CN 200720129287 U CN200720129287 U CN 200720129287U CN 201163592 Y CN201163592 Y CN 201163592Y
- Authority
- CN
- China
- Prior art keywords
- insulating frame
- shaped connecting
- connecting lever
- vacuum contactor
- vacuum
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a vacuum contactor which is suitable for an electric network with a voltage class of 3300 volts and performing frequent operations of switching on and off of motor load and so on. The structure of the vacuum contactor is as follows: a lower insulating frame and an upper insulating frame are fixedly connected to a bottom plate; a lower armature, a reaction spring, an auxiliary switch and an electronic circuit board are fixed on the lower insulating frame; a coil is arranged on the lower armature; an iron core is arranged inside the coil; the end part of the reaction spring is provided with an L-shaped connecting lever; the waist part of the L-shaped connecting lever is pressed on the right of the upper insulating frame so as to form a self-rotating pivot on the waist part; one end of the L-shaped connecting lever leans against the auxiliary switch and the other end of the L-shaped connecting lever is connected with a guide rod; the inside of the L-shaped connecting lever is provided with an upper armature and the outside of the L-shaped connecting lever is provided with a vacuum arc-extinguishing chamber; the mouth part of the vacuum arc-extinguishing chamber is provided with a retainer spring; and the guide rod passes through the retainer spring and then is connected with the vacuum arc-extinguishing chamber. The vacuum contactor has reliable performance, a simple structure and small volume, saves the cost, can be used in a 3300 Volt electric network system, and can meet the demand of more use situations.
Description
Technical field
The utility model be a kind ofly be used to connect, the vacuum type contactor of disjunction three-phase circuit, particularly a kind of electric pressure that is applicable to is the 3300V electrical network, to electric machinery load etc. connect, the vacuum contactor of the frequency operation of disjunction.
Background technology
Existing C KJ5-400/1140 series vacuum contactor is because the restriction of own characteristic can only be used for ceiling voltage is the following network system of 400A for the 1140V rated current, can't be applied to the 3300V electrical network, come to adopt at present bulky JCZ series vacuum contactor for the 3300V system, application is very restricted, some field is with originally using, as the unit switch of flame-proof switch class.
Summary of the invention
The purpose of this utility model is at the bulky defective of existing vacuum contactor knot, on the basis of CKJ series 1140V design a kind of simple in structure, volume is less, save cost, reliability height, can guarantee the rated voltage 3300V rated current 450A vacuum contactor of the electric and functional stabilization of product simultaneously.
The purpose of this utility model is to realize by following technical scheme: described vacuum contactor mainly comprises base plate, following insulating frame, lower armature, reaction spring, auxiliary switch, coil, L shaped connecting lever, iron core, last insulating frame, upper armature, vacuum interrupter, holddown spring, electronic circuit board and guide rod, be connected with down insulating frame on the insulating frame on the base plate, following insulating frame is provided with lower armature, reaction spring, auxiliary switch and electronic circuit board, lower armature is provided with coil, be provided with iron core in the coil, the end of reaction spring is provided with L shaped connecting lever, the waist of L shaped connecting lever is pressed in the right side of insulating frame, make waist form a fulcrum that self rotates, one end of L shaped connecting lever leans on mutually with auxiliary switch, the other end of L shaped connecting lever is connected with guide rod, the inboard of L shaped connecting lever is provided with upper armature, the outside is installed with vacuum interrupter, the oral area of vacuum extinction is provided with holddown spring, and guide rod is connected with vacuum interrupter after passing holddown spring.
Described vacuum interrupter is 3300V, 600A.
The described wall thickness of going up insulating frame is 7mm-9mm, and best for the wall thickness of the L shaped connecting lever of 8mm is 13mm-15mm, the best is 14mm.
The described height of insulating frame down is 100mm-120mm, and the best is 110mm; The height of last insulating frame is 120-130mm, and the best is 124mm.
Described coil comprises first pull-in winding and second pull-in winding, and the tail end of first pull-in winding is connected with the first end of second pull-in winding, and then is connected with the anode of bridge rectifier; The tail end of second pull-in winding is just held with first pull-in winding and is connected, and then is connected with the negative terminal of bridge rectifier.
Described insulating frame and the following insulating frame employing DMC pressing mold plastics gone up.
Good effect of the present utility model is as follows: the utility model dependable performance, can be used in the 3300V network system, and simple in structure, volume is little, save cost, can satisfy more use occasion.
Description of drawings
Fig. 1 is the utility model structure chart
Among the figure: 2 times insulating frame 3 lower armatures of 1 base plate
4 reaction springs, 5 auxiliary switches, 6 coils
Insulating frame on 7L shape connecting lever 8 iron cores 9
10 upper armatures, 11 vacuum interrupters, 12 holddown springs
13 electronic circuit boards, 14 guide rods
Embodiment
As shown in Figure 1, described vacuum contactor mainly comprises base plate 1, following insulating frame 2, lower armature 3, reaction spring 4, auxiliary switch 5, coil 6, L shaped connecting lever 7, iron core 8, last insulating frame 9, upper armature 10, vacuum interrupter 11, holddown spring 12, electronic circuit board 13 and guide rod 14, be connected with down insulating frame 2 and last insulating frame 9 on the base plate 1, be installed with lower armature 3 on the following insulating frame 2, reaction spring 4, auxiliary switch 5 and electronic circuit board 13, lower armature 3 is provided with coil 6, be provided with iron core 8 in the coil 6, the end of reaction spring 4 is provided with L shaped connecting lever 7, the waist of L shaped connecting lever 7 is pressed in the right side of insulating frame 9, make waist form a fulcrum that self rotates, one end of L shaped connecting lever 7 leans on mutually with auxiliary switch 5, the other end of L shaped connecting lever 7 is connected with guide rod 14, the inboard of L shaped connecting lever 7 is provided with upper armature 10, the outside is installed with vacuum interrupter 11, the oral area of vacuum interrupter 11 is provided with holddown spring 12, and guide rod 14 passes holddown spring 12 backs and is connected with vacuum interrupter 11.
Described vacuum interrupter 11 is 3300V, 600A.
The described wall thickness of going up insulating frame 9 is 7mm-9mm, and the best is 8mm; The wall thickness of L shaped connecting lever 7 is 13mm-15mm, and the best is 14mm.
The described height of insulating frame 2 down is 100mm-120mm, and the best is 110mm; The height of last insulating frame 9 is 120-130mm, and the best is 124mm.
Described coil 6 comprises first pull-in winding and second pull-in winding, and the tail end of first pull-in winding is connected with the first end of second pull-in winding, and then is connected with the anode of bridge rectifier; The tail end of second pull-in winding is just held with first pull-in winding and is connected, and then is connected with the negative terminal of bridge rectifier.The good effect of the technical program is to make actuating coil increase by 4 times at the starting current that starts moment, and electromagnetic force increases by 4 times, thereby has increased the reliability of adhesive.
Described insulating frame adopts DMC pressing mold plastics.
The main circuit that the utility model is widely used in all trades and professions such as colliery, metallurgy, oil, chemical industry is in the 3300V electrical network, and its operation principle is after coil 6 is connected the 220V electricity, produces magnetic flux and electromagnetic attraction in iron core 8.The counter-force that this electromagnetic attraction overcomes reaction spring 4 makes armature 10 adhesives, the rotation counterclockwise of L shaped connecting lever 7, it pushes down holddown spring 12 with end down, make the up closed main circuit of connecting of moving contact of vacuum interrupter 11, meanwhile, auxiliary switch 5 is pushed down in the upper end of L shaped connecting lever 7, and the normally-closed contact of auxiliary switch 5 is opened, normally opened contact is then closed, to keep coil working.When coil 6 dead electricity or coil 6 both end voltage significantly reduced, electromagnetic attraction was less than the counter-force of reaction spring 4, and at this moment upper armature 10 discharges, and auxiliary switch 5 is opened, and makes the normally-closed contact closure, and normally opened contact is opened, and contactor breaks away from operating state.
Claims (10)
1. vacuum contactor, it is characterized in that: described vacuum contactor mainly comprises base plate, following insulating frame, lower armature, reaction spring, auxiliary switch, coil, L shaped connecting lever, iron core, last insulating frame, upper armature, vacuum interrupter, holddown spring, electronic circuit board and guide rod, be connected with insulating frame and following insulating frame on the base plate, be installed with lower armature on the following insulating frame, reaction spring, auxiliary switch and electronic circuit board, lower armature is provided with coil, be provided with iron core in the coil, the end of reaction spring is provided with L shaped connecting lever, the waist of L shaped connecting lever is pressed in the right side of insulating frame, make waist form a fulcrum that self rotates, one end of L shaped connecting lever leans on mutually with auxiliary switch, the other end of L shaped connecting lever is connected with guide rod, L shaped connecting lever inboard is provided with upper armature, the outside is installed with vacuum interrupter, the oral area of vacuum extinction is provided with holddown spring, and guide rod is connected with vacuum interrupter after passing holddown spring.
2. vacuum contactor according to claim 1 is characterized in that: described vacuum interrupter is 3300V, 600A.
3. vacuum contactor according to claim 1 is characterized in that: the described wall thickness of going up insulating frame is 7mm-9mm; The wall thickness of L shaped connecting lever is 13mm-15mm.
4. vacuum contactor according to claim 1 is characterized in that: the described height of insulating frame down is 100mm-120mm; The height of last insulating frame is 120-130mm.
5. vacuum contactor according to claim 1 is characterized in that: described coil comprises first pull-in winding and second pull-in winding, and the tail end of first pull-in winding is connected with the first end of second pull-in winding, and then is connected with the anode of bridge rectifier; The tail end of second pull-in winding is just held with first pull-in winding and is connected, and then is connected with the negative terminal of bridge rectifier.
6. vacuum contactor according to claim 1 is characterized in that: described insulating frame and the following insulating frame employing DMC pressing mold plastics gone up.
7. vacuum contactor according to claim 3 is characterized in that: the described wall thickness of going up insulating frame is 8mm.
8, vacuum contactor according to claim 3 is characterized in that: the wall thickness of L shaped connecting lever is 14mm.
9. vacuum contactor according to claim 4 is characterized in that: the described height of insulating frame down is 110mm.
10. vacuum contactor according to claim 4 is characterized in that: the height of going up insulating frame is 124mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201292873U CN201163592Y (en) | 2007-08-24 | 2007-08-24 | Vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201292873U CN201163592Y (en) | 2007-08-24 | 2007-08-24 | Vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201163592Y true CN201163592Y (en) | 2008-12-10 |
Family
ID=40184521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201292873U Expired - Fee Related CN201163592Y (en) | 2007-08-24 | 2007-08-24 | Vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201163592Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194605A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Fixed improved structure of vacuum tube of alternating current vacuum contactor |
-
2007
- 2007-08-24 CN CNU2007201292873U patent/CN201163592Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194605A (en) * | 2010-03-13 | 2011-09-21 | 昆山瑞普电气有限公司 | Fixed improved structure of vacuum tube of alternating current vacuum contactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205911269U (en) | Circuit breaker | |
| CN103560037B (en) | A kind of load-break switch | |
| CN115172104B (en) | Bridge type double-breakpoint contactor and breaker | |
| CN110137038A (en) | The magnetic latching relay of the effectively disconnected electric arc that goes out | |
| CN203536287U (en) | Low-voltage permanent magnetic vacuum contactor | |
| CN201514903U (en) | Limiting type double-breakpoint electromagnetic relay | |
| CN201163592Y (en) | Vacuum contactor | |
| CN205984822U (en) | Small -size high -power electromagnetic relay | |
| CN201838521U (en) | Monopole non-arcing permanent magnet alternating current contactor | |
| CN208922995U (en) | A kind of D.C. contactor | |
| CN101976638B (en) | Monopole arc-free permanent magnet alternating-current contactor | |
| CN202930305U (en) | High voltage vacuum circuit breaker with O-shaped electrodynamic force compensation arrangement | |
| CN207165485U (en) | A kind of small size vacuum contactor for ring main unit | |
| CN202205647U (en) | Vacuum contactor | |
| CN201514900U (en) | Alternating current contactor | |
| CN203406226U (en) | Permanent magnetism vacuum circuit breaker | |
| CN1252769C (en) | Two Tongue and carried back moving spring electro magnetic relay | |
| CN2658932Y (en) | Electromagnetic relay having double-tongue end restoring contact spring piece | |
| CN218887077U (en) | Direct current relay with explosion-proof structure | |
| CN204390965U (en) | Extra-high-voltage earthing switch auxiliary arc extinction device | |
| CN203536286U (en) | Low-voltage vacuum contactor | |
| CN212725173U (en) | Direct current electromagnetic contactor | |
| CN220208840U (en) | Star-delta quick switching contactor | |
| WO2023097723A1 (en) | High-voltage vacuum relay | |
| CN215183700U (en) | Quick single-phase bypass vacuum contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lightning Flash Explosions Electric Co., Ltd. Assignor: Electro-Optic Explosion-Proof Technology (Shanghai) Co.,Ltd. Contract fulfillment period: 2009.4.16 to 2014.4.18 Contract record no.: 2009990000458 Denomination of utility model: Intelligent AC vacuum contactor Granted publication date: 20081210 License type: Exclusive license Record date: 20090511 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.16 TO 2014.4.18; CHANGE OF CONTRACT Name of requester: ELECTRO LIGHT EXPLOSION PREVENTION ELECTRIC APPLIC Effective date: 20090511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |