CN2558067Y - Single polar low-voltage ac vacuum contactor - Google Patents
Single polar low-voltage ac vacuum contactor Download PDFInfo
- Publication number
- CN2558067Y CN2558067Y CN 02271077 CN02271077U CN2558067Y CN 2558067 Y CN2558067 Y CN 2558067Y CN 02271077 CN02271077 CN 02271077 CN 02271077 U CN02271077 U CN 02271077U CN 2558067 Y CN2558067 Y CN 2558067Y
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- CN
- China
- Prior art keywords
- lever
- vacuum interrupter
- contact
- pedestal
- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Disclosed is a monopole low-voltage AC vacuum contactor which belongs to the electric switch filed, comprising of a base, a vacuum arc-extinguishing chamber, a lever, an L-shaped magnetic yoke, an iron core, a coil, a keeper, a metal conduit and a pressure spring. The vacuum arc-extinguishing chamber is arranged in the base. A wiring plate and the vacuum arc-extinguishing chamber are fixedly on the base by a connecting plate. The lever is arranged on the base by a shaft. The movable contact of the vacuum arc-extinguishing chamber is threaded through the hole of the lever. The metal conduit is connected with one end of the lever. The L-shaped magnetic yoke is arranged on the base. The iron core is arranged on the magnetic yoke. The keeper is arranged on the lever. The utility model which has reasonable structure and low volume is a convenient monopole low-voltage AC vacuum contactor.
Description
The utility model one pole low-voltage alternating-current vacuum contactor belongs to the electric switch field, particularly a kind of one pole low-voltage alternating-current vacuum contactor.
Existing low-voltage alternating-current vacuum contactor volume is big, and useful life is short, particularly in operation frequently, under the situation of running, needs during replacing to stop production continuously, uses inconvenience, is not suitable for the needs in market.
The purpose of this utility model is to avoid the deficiencies in the prior art part and a kind of compact conformation is provided, and volume is little, and is safe and reliable, one pole low-voltage alternating-current vacuum contactor easy to use.
The purpose of this utility model reaches by following measure, it is by pedestal, vacuum interrupter, terminal block, lever, the yoke of L type, unshakable in one's determination, coil, armature, metal catheter, guide rod, compression spring is formed, vacuum interrupter is set in pedestal, the connecting plate that terminal block is housed is connected on the fixed contact of vacuum interrupter, terminal block and vacuum interrupter are fixed on the pedestal by connecting plate, on the moving contact of vacuum interrupter, be connected with the lead that links to each other with another terminal block, lever is fixed on the pedestal by axle, the moving contact of vacuum interrupter passes the hole on the lever, end at lever connects metal catheter, metal catheter is enclosed within on the guide rod, compression spring is enclosed within on metal catheter and the guide rod, adjustment screw withstands on the guide rod, the yoke of L type is set on pedestal, iron core is installed on the yoke, on iron core, be with coil, armature is installed on the lever, the moving contact of vacuum interrupter and fixed contact are sealed in by cylinder, in the vacuum chamber that insulating case and lid are formed, radome covers the contact of moving contact and fixed contact, bellows is connected on the radome, axle sleeve is enclosed within on the movable contact rod, when coil applies voltage, the moving armature of inhaling unshakable in one's determination, armature drives lever and sways, one end of lever promotes metal catheter, the compression pressure spring, lever discharges the moving contact of vacuum interrupter, self-closing power by vacuum interrupter makes fixed contact and moving contact closure, connect main circuit, electric current is through terminal block, connecting plate, fixed contact, moving contact, lead, another terminal block is when loss of voltage that applies when coil or the magnetic force that is produced are not enough, the armature that discharges unshakable in one's determination, compression spring promotes metal catheter, and the end that metal catheter promotes lever sways, and lever promotes the moving contact of vacuum interrupter when swaying, make the fixed contact and the moving contact disjunction of vacuum interrupter, connect and the disjunction circuitry processes in the electric arc that produces be in vacuum interrupter, owing to the characteristic that vacuum has, electric arc moment extinguishes, can not leak, safe and reliable.
On pedestal, be provided with a change over contact, on lever, be provided with a bolt, the armature that discharges unshakable in one's determination, the junction closure of change over contact, when armature drive lever swayed, bolt disconnected the contact of change over contact, make province's electric device access control circuit, realize requirements of saving energy.
The utility model reasonable in design, volume is little, and is safe and reliable, is a kind of easy to use, the one pole low-voltage alternating-current vacuum contactor of energy saving.
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is schematic top plan view of the utility model accompanying drawing 1.
Accompanying drawing 3 is schematic side view of the utility model accompanying drawing 1.
Accompanying drawing 4 is vacuum arc extinguish chamber structure schematic diagrames of the present utility model.
Accompanying drawing 5 is lever construction schematic diagrames of the present utility model.
Accompanying drawing 6 is change over contact structural representations of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
As accompanying drawing 1, accompanying drawing 2, shown in the accompanying drawing 3, the utility model is by housing 19, pedestal 1, vacuum interrupter 50, terminal block 2, lever 51, the yoke 8 of L type, unshakable in one's determination 9, coil 10, armature 11, metal catheter 12, guide rod 13, compression spring 14 is formed, vacuum interrupter is set in pedestal, the connecting plate 3 that terminal block 2 is housed is connected on the fixed contact of vacuum interrupter, terminal block and vacuum interrupter are fixed on the pedestal by connecting plate 3, on the moving contact of vacuum interrupter, be connected with the lead 4 that is connected with another terminal block 5, lever is fixed on the pedestal by axle 6, screw is connected lever with axle, the moving contact of vacuum interrupter passes the hole on the lever, end at lever connects metal catheter 12, metal catheter 12 is enclosed within on the guide rod 13, compression spring 14 is enclosed within on metal catheter and the guide rod, adjustment screw 15 withstands on the guide rod, round boss 36 on lever is long-armed cooperates with metal catheter, and the yoke 8 of L type is set on pedestal, and unshakable in one's determination 9 are installed on the yoke, on iron core, be with coil 10, armature 11 is installed on the lever, is provided with a change over contact 17 on pedestal, is provided with a bolt on lever, when coil applies voltage, the moving armature of inhaling unshakable in one's determination, armature drives lever and sways, and an end of lever promotes metal catheter, the compression pressure spring, lever discharges the moving contact of vacuum interrupter, makes the fixed contact and the moving contact closure of vacuum interrupter, connects main circuit, when armature drive lever sways, bolt is the contact disjunction of change over contact, when the loss of voltage that applies when coil or the magnetic force of generation are not enough, and the armature that discharges unshakable in one's determination, compression spring promotes metal catheter, the end that metal catheter promotes lever sways, and lever promotes the moving contact of vacuum interrupter when swaying, the fixed contact of vacuum interrupter is separated with moving contact, main circuit disconnects, the junction closure of change over contact 17.
As shown in Figure 4, the moving contact 22 of vacuum interrupter 50 of the present utility model and fixed contact 21 are sealed in by cylinder 23, in the vacuum chamber that insulating case 24 and lid 25 and lid 26 are formed, radome 27 covers the contact of moving contact and fixed contact, bellows 28 is connected on the radome, axle sleeve 29 is enclosed within on the movable contact rod, the connecting plate that terminal block is housed is connected on the fixed contact of vacuum interrupter, terminal block and vacuum interrupter are fixed on the pedestal by connecting plate, on the moving contact of vacuum interrupter, be connected with the lead that is connected with another terminal block, the moving contact 22 of vacuum interrupter passes the hole on the lever, lever sways, promote or the release moving contact, make fixed contact and the moving contact closure or the disjunction of vacuum interrupter.
As shown in Figure 5, lever 51 of the present utility model is to be made by high-intensity flame retardant plastics, hole 31 is to be used for installation shaft 6, by screw hole 32 axle and lever are fixed, the galianconism of lever connects armature, hole 33 fixed armatures, hole 34 on lever long-armed cooperates with the moving contact of vacuum interrupter, round boss 36 on lever is long-armed cooperates with metal catheter, is provided with a bolt hole 35 on lever, and the bolt of installation is used for the closure and the disconnection of control transformation contact.
As shown in Figure 6, of the present utility modelly on pedestal, be provided with a change over contact 17, on lever 51, be provided with a bolt 41, when adhesive armature unshakable in one's determination, bolt hits push rod, push rod 42 disconnects the contact of change over contact, armature, the junction closure of change over contact of discharging unshakable in one's determination, when armature drive lever sways, bolt disconnects the contact of change over contact, makes province's electric device access control circuit, realizes requirements of saving energy.
Claims (3)
1, a kind of one pole low-voltage alternating-current vacuum contactor is characterized in that by pedestal vacuum interrupter, terminal block, lever, the yoke of L type, unshakable in one's determination, coil, armature, metal catheter, guide rod, compression spring is formed, and vacuum interrupter is set in pedestal, and the connecting plate that terminal block is housed is connected on the fixed contact of vacuum interrupter, terminal block and vacuum interrupter are fixed on the pedestal by connecting plate, be connected with the lead that links to each other with another terminal block on the moving contact of vacuum interrupter, lever is fixed on the pedestal by axle, and the moving contact of vacuum interrupter passes the hole on the lever, end at lever connects metal catheter, metal catheter is enclosed within on the guide rod, and compression spring is enclosed within on metal catheter and the guide rod, and adjustment screw withstands on the guide rod, the yoke of L type is set on pedestal, iron core is installed on the yoke, is with coil on iron core, and armature is installed on the lever.
2, one pole low-voltage alternating-current vacuum contactor according to claim 1, the moving contact and the fixed contact that it is characterized in that vacuum interrupter are sealed in by cylinder, in the vacuum chamber that insulating case and lid are formed, radome covers the joint of moving contact and fixed contact, bellows is connected on the radome, and axle sleeve is enclosed within on the movable contact rod.
3, one pole low-voltage alternating-current vacuum contactor according to claim 1 is characterized in that being provided with a change over contact on pedestal, is provided with a bolt on lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271077 CN2558067Y (en) | 2002-06-12 | 2002-06-12 | Single polar low-voltage ac vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02271077 CN2558067Y (en) | 2002-06-12 | 2002-06-12 | Single polar low-voltage ac vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2558067Y true CN2558067Y (en) | 2003-06-25 |
Family
ID=33736004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02271077 Expired - Fee Related CN2558067Y (en) | 2002-06-12 | 2002-06-12 | Single polar low-voltage ac vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2558067Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165553B (en) * | 2008-12-02 | 2014-09-03 | 三菱电机株式会社 | Electromagnetic contactor |
-
2002
- 2002-06-12 CN CN 02271077 patent/CN2558067Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165553B (en) * | 2008-12-02 | 2014-09-03 | 三菱电机株式会社 | Electromagnetic contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |