CN201886961U - Three-phase rotation double-break vacuum arc extinguishing chamber - Google Patents
Three-phase rotation double-break vacuum arc extinguishing chamber Download PDFInfo
- Publication number
- CN201886961U CN201886961U CN2010206530723U CN201020653072U CN201886961U CN 201886961 U CN201886961 U CN 201886961U CN 2010206530723 U CN2010206530723 U CN 2010206530723U CN 201020653072 U CN201020653072 U CN 201020653072U CN 201886961 U CN201886961 U CN 201886961U
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- vacuum arc
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Abstract
A three-phase rotation double-break vacuum arc extinguishing chamber is characterized in that a three-phase rotation double-break vacuum arc extinguishing chamber is connected with an insulating shaft, wherein one end of the insulating shaft is connected with an external power source, the other end of the insulating shaft extends into the three-phase disk-type rotation double-break vacuum arc extinguishing chamber to be connected with an insulating disc, and three conductor connecting rods are arranged at the outer edge of the insulating disc; movable contacts are arranged at two ends of each conductor connecting rod; fixed contacts are fixed on an insulating outer wall; the movable contacts and the fixed contacts, which are arranged on the end surfaces of one conductor connecting rod, form a one-phase double-break structure; three groups of fixed contacts and movable contacts form a three-phase double-break structure; and the insulating shaft drives the insulating disc and the movable contacts on the conductor connecting rods to rotate, so as to enable the movable contacts and the fixed contacts, which are positioned on the circumference of the insulating outer wall, to be effectively separated and combined to achieve on/off of a circuit. The three-phase rotation double-break vacuum arc extinguishing chamber has the characteristics of small size, low cost and simplified control mechanism, and meets the requirement of breaking synchronism of a vacuum circuit breaker.
Description
Technical field
The utility model relates to a kind of vacuum interrupter that is used for vacuum circuit-breaker, and the rotary-type double-fracture vacuum arc extinguish chamber of particularly a kind of three-phase belongs to high-voltage electrical equipment key position supporting technology.
Background technology
Vacuum interrupter is to utilize high vacuum operational insulation arc-extinguishing medium, realizes a kind of vacuum device of the on-off function of power circuit by sealing a pair of contact in a vacuum.
At present, the three-phase vacuum interrupter is widely used in the commercial power field, usually adopt the structure of every mutually independent arc control device, it is bigger to take up room, and do the divide-shut brake motion of Direct Action Type between single-phase dynamic/static contact, make to produce three alternate disjunction poor synchronization higher overvoltage and shove, stability to electric power system produces very big influence, causes its useful life, fail safe and operational reliability to reduce; Along with the expansion of vacuum switch range of application, vacuum interrupter has also had new developing direction.
Therefore, develop, develop and produce a kind of rational in infrastructure, compact, volume is little, low-cost, the vacuum interrupter that can cut-off high voltage more, have the rotary-type structure of double break mouth three-phase disc type, expected and market in urgent need to satisfy numerous potential user.
Summary of the invention
The purpose of this utility model is exactly to overcome the defective that exists in the existing vacuum arc extinguish chamber structure and the course of work, provide a kind of compact conformation, easy to operate, cost is low, fail safe good, reliability is easy to the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type than high, maintenance.Creativeness of the present utility model is to adopt three-phase double break mouth structure, promptly adopt the structure of every phase double break mouth to cut-off three-phase circuit, the structure that when guaranteeing to cut-off voltage levels more, has the three-phase coenecium, and rotary moving contact structure, have the advantages that volume is little, cost is low, operating mechanism is simplified, satisfied the requirement of vacuum circuit-breaker disjunction synchronism.
In order to realize above-mentioned purpose of the present utility model, the technical solution of the utility model is as follows: the rotary-type double-fracture vacuum arc extinguish chamber of described three-phase disc type, comprise vacuum interrupter, fixed contact, moving contact, the insulation outer wall, it is characterized in that the three-phase disc type rotary-type double-fracture vacuum arc extinguish chamber of described vacuum interrupter for linking to each other with the insulation axle, one end of this insulation axle links to each other with external drive motors or rotating machinery, the other end of this insulation axle puts in the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type and is connected with the insulating disc of three conductor connecting rods of outer marginal zone, each conductor connecting rod two ends is provided with moving contact, be fixed on the insulation outer wall of vacuum interrupter with the corresponding fixed contact of moving contact, be arranged on moving contact and corresponding fixed contact on the conductor connecting rod end face on the insulating disc and formed a double break mouth structure mutually, three groups of fixed contacts and moving contact form three-phase double break mouth structure.Every phase double break mouth structure is installed in jointly and realizes synchronous disjunction on the insulating disc, adopt insulating disc to realize electric insulation between three conductor connecting rods, the moving contact that described insulation axle drives on insulating disc and the conductor connecting rod thereof rotates, and makes moving contact and fixed contact realization on the insulation outer wall circumference that is positioned at the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type deciliter finish cut-offfing of circuit effectively.
In order better to realize that the purpose of this utility model, described insulating disc can be a kind of in polygon or the circle.
In order better to realize being installed in the purpose of this utility model on the insulating disc three branches such as conductor connecting rod.
In order better to realize the purpose of this utility model, can insert one in the three-phase circuit respectively mutually with corresponding two fixed contacts of each conductor connecting rod, the moving contact that insulation axle drives on insulating disc and the conductor connecting rod thereof rotates, and makes moving contact and fixed contact on the insulation wall circumference that is positioned at the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type realize effective cut-offfing of three-phase line of synchronously deciliter finishing.
Compared with prior art, the beneficial effects of the utility model: adopt three-phase double break mouth structure, promptly adopt the structure of every phase double break mouth to cut-off three-phase circuit, the structure that when guaranteeing to cut-off voltage levels more, has the three-phase coenecium, and rotary moving contact structure, the requirement of having satisfied vacuum circuit-breaker disjunction synchronism greatly reduces the moving component of equipment, the spatial placement compactness, device structure more becomes to simplifying, user's operation and repair and maintenance had both been made things convenient for, also effectively improve the security reliability of equipment work, also greatly reduced cost of manufacture simultaneously, improved the stability and the fail safe of whole vacuum circuit-breaker system works.
Description of drawings
Fig. 1 is the schematic appearance of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment.
Fig. 3 is the schematic diagram of the utility model moving contact and fixed contact disjunction state.
Mark among the figure: 1 insulation outer wall, 2 fixed contacts, 3 moving contacts, 4 insulation axles, 5 insulating discs, 6 conductor connecting rods, the rotary-type double-fracture vacuum arc extinguish chamber of 7 three-phase disc types.
Embodiment
Below in conjunction with Figure of description and embodiment the utility model is done and to be illustrated in greater detail: as Fig. 1～shown in Figure 3, the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type that the utility model provides, comprise and the rotary-type double-fracture vacuum arc extinguish chamber 7 of the insulation axle 4 three-phase disc types that link to each other, one end of this insulation axle 4 links to each other with external drive motors or rotating machinery, the other end of this insulation axle 4 puts in the rotary-type double-fracture vacuum arc extinguish chamber 7 of three-phase disc type and is connected with the insulating disc 5 of hexagon shape, be provided with three conductor connecting rods 6 on the outer rim of insulating disc 5 five equilibrium, each conductor connecting rod 6 two ends is provided with moving contact 3, be fixed on the insulation outer wall 1 of the rotary-type double-fracture vacuum arc extinguish chamber 7 of three-phase disc type with moving contact 3 corresponding fixed contacts 2, be arranged on moving contact 3 and corresponding fixed contact 2 on conductor connecting rod 6 end faces on the insulating disc 5 and formed a double break mouth structure mutually, three groups of fixed contacts 2 and moving contact 3 form three-phase double break mouth structures.Every phase double break mouth structure is installed in jointly and realizes synchronous disjunction on the insulating disc 5, adopt insulating disc 5 to realize electric insulation between three conductor connecting rods 6, the moving contacts 3 that described insulation axle 4 drives on insulating discs 5 and the conductor connecting rod 6 thereof rotate, and make moving contact 3 and fixed contact 2 on insulation outer wall 1 circumference that is positioned at the rotary-type double-fracture vacuum arc extinguish chamber 7 of three-phase disc type realize effectively deciliter finishing cut-offfing of circuit.
Six contacts on the insulation outer wall 1 are fixed contact 2, and six contacts that are installed on the conductor connecting rod 6 are moving contact 3.These three groups of dynamic/static contacts 2 form three-phase double break mouth structure, insert three-phase circuit respectively with the moving contact 3 corresponding fixed contacts 2 that are connected on each conductor connecting rod 6, each is responsible for the break-make of a phase circuit to dynamic/static contact, every pair has two fractures and is installed in jointly and realizes three alternate synchronous disjunctions on the insulation axle 4, every alternate employing insulating disc 5 is realized electric insulation, and the other end of insulation axle 4 links to each other with the power source of the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type 7 outsides.When power source drives 4 rotations of insulation axle, insulation axle 4 drives insulating disc 5 and rotates, insulating disc 5 drive with regular hexagon insulating disc five equilibrium on conductor connecting rod 6 rotations that are connected, the moving contact 3 that conductor connecting rod 6 two ends connect and the fixed contact 2 on insulation outer wall 1 circumference are realized effectively synchronously deciliter, finish the interrupting process of three-phase line.
Claims (4)
1. rotary-type double-fracture vacuum arc extinguish chamber of three-phase, comprise vacuum interrupter, fixed contact, moving contact, the insulation outer wall, it is characterized in that the three-phase disc type rotary-type double-fracture vacuum arc extinguish chamber of described vacuum interrupter for linking to each other with the insulation axle, one end of this insulation axle links to each other with external drive motors or rotating machinery, the other end of this insulation axle puts in the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type and is connected with the insulating disc of three conductor connecting rods of outer marginal zone, each conductor connecting rod two ends is provided with moving contact, be fixed on the insulation outer wall of vacuum interrupter with the corresponding fixed contact of moving contact, be arranged on moving contact and corresponding fixed contact on the conductor connecting rod end face on the insulating disc and formed a double break mouth structure mutually, three groups of fixed contacts and moving contact form three-phase double break mouth structure
Every phase double break mouth structure is installed in jointly and realizes synchronous disjunction on the insulating disc, adopt insulating disc to realize electric insulation between three conductor connecting rods, the moving contact that described insulation axle drives on insulating disc and the conductor connecting rod thereof rotates, and makes moving contact and fixed contact realization on the insulation outer wall circumference that is positioned at the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type deciliter finish cut-offfing of circuit effectively.
2. according to the rotary-type double-fracture vacuum arc extinguish chamber of the described three-phase of claim 1, it is characterized in that described insulating disc is a kind of in polygon or the circle.
3. according to the rotary-type double-fracture vacuum arc extinguish chamber of the described three-phase of claim 1, be installed on the insulating disc with it is characterized in that three branches such as conductor connecting rod.
4. according to the rotary-type double-fracture vacuum arc extinguish chamber of the described three-phase of claim 1, it is characterized in that inserting one in the three-phase circuit respectively mutually with corresponding two fixed contacts of each conductor connecting rod, the moving contact that insulation axle drives on insulating disc and the conductor connecting rod thereof rotates, and makes moving contact and fixed contact on the insulation wall circumference that is positioned at the rotary-type double-fracture vacuum arc extinguish chamber of three-phase disc type realize effective cut-offfing of three-phase line of synchronously deciliter finishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206530723U CN201886961U (en) | 2010-12-10 | 2010-12-10 | Three-phase rotation double-break vacuum arc extinguishing chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206530723U CN201886961U (en) | 2010-12-10 | 2010-12-10 | Three-phase rotation double-break vacuum arc extinguishing chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886961U true CN201886961U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206530723U Expired - Fee Related CN201886961U (en) | 2010-12-10 | 2010-12-10 | Three-phase rotation double-break vacuum arc extinguishing chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568918A (en) * | 2010-12-10 | 2012-07-11 | 沈阳工业大学 | Three-phase rotation type double-fracture vacuum arc extinguishing chamber |
| CN114975010A (en) * | 2022-05-19 | 2022-08-30 | 扬州润沃科技有限公司 | Multi-path relay for high-power overcurrent protection |
-
2010
- 2010-12-10 CN CN2010206530723U patent/CN201886961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568918A (en) * | 2010-12-10 | 2012-07-11 | 沈阳工业大学 | Three-phase rotation type double-fracture vacuum arc extinguishing chamber |
| CN114975010A (en) * | 2022-05-19 | 2022-08-30 | 扬州润沃科技有限公司 | Multi-path relay for high-power overcurrent protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |