CN2577429Y - Permanent-magnetic vacuum circuit breaker - Google Patents
Permanent-magnetic vacuum circuit breaker Download PDFInfo
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- CN2577429Y CN2577429Y CN 02248714 CN02248714U CN2577429Y CN 2577429 Y CN2577429 Y CN 2577429Y CN 02248714 CN02248714 CN 02248714 CN 02248714 U CN02248714 U CN 02248714U CN 2577429 Y CN2577429 Y CN 2577429Y
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- permanent
- magnet
- coil windings
- electromagnets
- permanent magnet
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Abstract
The utility model relates to a permanent magnetic vacuum circuit breaker, which comprises a vacuum bubble (1), connecting pieces (2), a permanent magnetic driving mechanism (3) and a driving circuit (4). The utility model is characterized in that a contact head A and a contact head B are arranged in the vacuum bubble (1). The permanent magnetic driving mechanism (3) comprises a plurality of permanent magnets (31), a plurality of electromagnets (32), a plurality of coil windings (33) and a housing (34), wherein, a plurality of coil windings (33) are wound on a plurality of electromagnets (32) respectively. The winding directions of two adjacent coil windings (33) are opposite, and the driving circuit (4) is connected with a plurality of coil windings (33). The utility model causes the magnetic polarities of the magnets to be changed through changing the current directions of coil windings, and the separating and attracting actions between the permanent magnets and the electromagnets are realized. Thus, actions of the connecting pieces are driven by the moving magnets, and the contact head A and the contact head B in the vacuum bubble are separated or closed, so the switching off or the switching on of high voltage currents is controlled. Hence, the accuracy of the switching on and the switching off of the two contact heads in the vacuum bubble is ensured, and the security is raised.
Description
1, technical field:
The utility model is a kind of vacuum circuit-breaker, belongs to the innovative technology of vacuum circuit-breaker.
2, background technology:
Existing vacuum circuit-breaker generally all is the break-make that adopts by two contacts in the relay control vacuum bubbles, the shortcoming of its existence is because the less stable of relay, so directly influence the accuracy of two contact break-makes in the vacuum bubbles, the security reliability of its work is not good enough.
3, summary of the invention:
The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of accuracy of guaranteeing two contact break-makes in the vacuum bubbles is provided, to improve the novel permanent magnetic vacuum circuit-breaker of its security reliability.The utility model design is ingenious, simple in structure, convenient and practical, and fail safe is good.
Structural representation of the present utility model as shown in drawings, include vacuum bubbles (1), connector (2), permanent mechanism driving mechanism (3), drive circuit (4), be provided with A contact and B contact in the vacuum bubbles (1), A contact and B contact are connected with high-voltage line respectively, one end of connector (2) is connected with the B contact, the other end is connected with permanent mechanism driving mechanism (3), permanent mechanism driving mechanism (3) includes some permanent magnets (31), some electromagnets (32), some coil windings (33) and housing (34), some coil windings (33) are respectively around the home on some electromagnets (32), some permanent magnets (31) and some electromagnets (32) place in the housing (34), and some permanent magnets (31) and the alternate series connection of some electromagnets (32), two adjacent poles of adjacent two permanent magnets (31) are identical, the solderless wrapped connection direction of adjacent two coil windings (33) on some electromagnets (32) is opposite around the home, and drive circuit (4) is connected with some coil windings (33).
Above-mentioned permanent magnet (31) and electromagnet (32) can be respectively fixed magnets and slip magnet, or permanent magnet (31) and electromagnet (32) are respectively slip magnet and fixed magnets, wherein fixed magnets is packed on the housing (34), and connector (2) is connected with the slip magnet.
Above-mentioned electromagnet (32) is a fixed magnets, and it is packed on the housing (34), and permanent magnet (31) is the slip magnet, and connector (2) is connected with permanent magnet (31).
Above-mentioned some coil windings (33) on some electromagnets (32) around the home are connected into parallel connection.
Be provided with in the above-mentioned drive circuit (4) and be in charged state at ordinary times, close a floodgate back discharge and power supply provide the capacitor C of initial exciting current together to coil windings, and it is connected in parallel on the two ends of coil windings (33).
Above-mentioned permanent magnet (31) and electromagnet (32) are made the boss (31A) and the groove (32A) of the first motion speed that is used for increasing magnet respectively on its contact-making surface.
Above-mentioned permanent magnet (31) and electromagnet (32) can be respectively rare-earth permanent magnet and rare-earth electromagnetic body, or are respectively nanometer permanent magnet and nano electromagnetic body.
Can be provided with cushion pad (37) between above-mentioned permanent magnet (31) and the electromagnet (32), cushion pad (37) has the rubber bodies of magnet material to process by mixing up.
Also can the winding around winding on the above-mentioned permanent magnet (31), the excitation direction after the coil windings energising is consistent with the original magnetic direction of permanent magnet.
Can be provided with lubricant (35) between above-mentioned slip magnet and the housing (34), the contact-making surface between slip magnet and the housing (34) is provided with sealing ring (36).
The utility model adopts by changing the sense of current of coil windings, the magnetic polarity of magnet is changed, realize between permanent magnet and the electromagnet separate and adhesive is moved, make the magnet of motion drive the connector motion, A contact, B contact in the vacuum bubbles are separated or closure, thus the disconnection or the connection of control high-tension current, therefore, it can guarantee the accuracy of two contact break-makes in the vacuum bubbles, to improve its security reliability.The utility model is that a kind of design is ingenious, simple in structure, convenient and practical, and the good novel permanent magnetic vacuum circuit-breaker of fail safe.
4, description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the circuit theory diagrams of drive circuit among the utility model embodiment 1 (4);
Fig. 3 is the utility model embodiment 2 structural representation during two contact closure in vacuum bubbles;
Fig. 4 is the structural representation of the utility model embodiment 2 when two contacts separate in vacuum bubbles;
Fig. 5 is the circuit theory diagrams of drive circuit among the utility model embodiment 2 (4);
Fig. 6 is permanent mechanism driving mechanism (3) among the utility model embodiment 3 structural representation during two contact closure in vacuum bubbles;
Fig. 7 is the structural representation of the permanent mechanism driving mechanism (3) among the utility model embodiment 3 when two contacts separate in vacuum bubbles;
Fig. 8 is the interior layout schematic diagram of permanent mechanism driving mechanism among the utility model embodiment 4 (3).
5, embodiment:
Embodiment 1:
Structural representation of the present utility model as shown in Figure 1, include vacuum bubbles (1), connector (2), permanent mechanism driving mechanism (3), drive circuit (4), be provided with A contact and B contact in the vacuum bubbles (1), A contact and B contact are connected with high-voltage line respectively, one end of connector (2) is connected with the B contact, the other end is connected with permanent mechanism driving mechanism (3), permanent mechanism driving mechanism (3) includes some permanent magnets (31), some electromagnets (32), some coil windings (33) and housing (34), some coil windings (33) are respectively around the home on some electromagnets (32), some permanent magnets (31) and some electromagnets (32) place in the housing (34), and some permanent magnets (31) and the alternate series connection of some electromagnets (32), two adjacent poles of adjacent two permanent magnets (31) are identical, the solderless wrapped connection direction of adjacent two coil windings (33) on some electromagnets (32) is opposite around the home, and drive circuit (4) is connected with some coil windings (33).In the present embodiment, permanent mechanism driving mechanism (3) includes a permanent magnet (31), an electromagnet (32) and a coil windings (33).
Above-mentioned permanent magnet (31) and electromagnet (32) can be respectively fixed magnets and slip magnet, or permanent magnet (31) and electromagnet (32) are respectively slip magnet and fixed magnets, wherein fixed magnets is packed on the housing (34), and connector (2) is connected with the slip magnet.In the present embodiment, above-mentioned electromagnet (32) is a fixed magnets, and it is packed on the housing (34) by connector (38), and permanent magnet (31) is the slip magnet, and connector (2) is connected with permanent magnet (31).
Be provided with in the above-mentioned drive circuit (4) and be in charged state at ordinary times, close a floodgate back discharge and power supply provide the capacitor C of initial exciting current together to coil windings, and it is connected in parallel on the two ends of coil windings (33), as shown in Figure 2.
Above-mentioned permanent magnet (31) and electromagnet (32) can be respectively rare-earth permanent magnet and rare-earth electromagnetic body, or are respectively nanometer permanent magnet and nano electromagnetic body.
Can be provided with cushion pad (37) between above-mentioned permanent magnet (31) and the electromagnet (32), can be provided with cushion pad (39) between the upper end of permanent magnet (31) and the housing (34), cushion pad (37,39) has the rubber bodies of magnet material to process by mixing up.
Also can the winding around winding on the above-mentioned permanent magnet (31), the excitation direction after the coil windings energising is consistent with the original magnetic direction of permanent magnet.
Can be provided with lubricant (35) between above-mentioned slip magnet and the housing (34), the contact-making surface between slip magnet and the housing (34) is provided with sealing ring (36).
When the utility model uses, change the sense of current of coil windings (33), the magnetic polarity of electromagnet (32) changes, thereby realize moving separate between permanent magnet (31) and the electromagnet (32) with adhesive, thereby the permanent magnet (31) that makes motion drives connector (2) motion, A contact, B contact in the vacuum bubbles are separated or closure, thus the disconnection or the connection of control high-tension current.After action realized, the electric current of coil windings (33) disconnected, and relied on the attraction of permanent magnet (31) to maintain the statusquo.
Embodiment 2:
Structural representation of the present utility model such as Fig. 3, shown in 4, identical with embodiment 1, difference is that permanent mechanism driving mechanism (3) includes a permanent magnet (31), two electromagnets (32) and two coil windings (33), wherein two electromagnets (32) place the two ends of housing (34), permanent magnet (31) places between two electromagnets (32), and two electromagnets (32) series connection, the solderless wrapped connection direction of two coil windings (33) on electromagnet (32) is opposite around the home, during energising, magnetic polarity towards permanent magnet one side can be the South Pole simultaneously, perhaps be the arctic simultaneously, an end that is in permanent magnet is therebetween attracted, an other end is repelled, and makes permanent magnet towards wherein motion.Change the energising direction, the direction of motion of permanent magnet also changes thereupon.In addition, two coil windings (33) on two electromagnets (32) are connected into parallel connection around the home, as shown in Figure 5.
Embodiment 3:
Structural representation of the present utility model is shown in Fig. 6,7, identical with embodiment 2, difference is that above-mentioned permanent magnet (31) and electromagnet (32) make the boss (31A) and the groove (32A) of the first motion speed that is used for increasing magnet respectively on its contact-making surface.
Embodiment 4:
Structural representation of the present utility model as shown in Figure 8, identical with embodiment 2, difference is that permanent mechanism driving mechanism (3) includes two permanent magnets (31), two electromagnets (32), two electromagnets (32) twine two coil windings (33) respectively, wherein two permanent magnets (31) and the alternate series connection of electromagnet (32), two adjacent poles of adjacent two permanent magnets (31) are identical, and the solderless wrapped connection direction of adjacent two coil windings (33) on electromagnet (32) is opposite around the home.
Claims (10)
1, a kind of novel permanent magnetic vacuum circuit-breaker, it is characterized in that including vacuum bubbles (1), connector (2), permanent mechanism driving mechanism (3), drive circuit (4), be provided with A contact and B contact in the vacuum bubbles (1), A contact and B contact are connected with high-voltage line respectively, one end of connector (2) is connected with the B contact, the other end is connected with permanent mechanism driving mechanism (3), permanent mechanism driving mechanism (3) includes some permanent magnets (31), some electromagnets (32), some coil windings (33) and housing (34), some coil windings (33) are respectively around the home on some electromagnets (32), some permanent magnets (31) and some electromagnets (32) place in the housing (34), and some permanent magnets (31) and the alternate series connection of some electromagnets (32), two adjacent poles of adjacent two permanent magnets (31) are identical, the solderless wrapped connection direction of adjacent two coil windings (33) on some electromagnets (32) is opposite around the home, and drive circuit (4) is connected with some coil windings (33).
2, novel permanent magnetic vacuum circuit-breaker according to claim 1, it is characterized in that above-mentioned permanent magnet (31) and electromagnet (32) can be respectively fixed magnets and slip magnet, or permanent magnet (31) and electromagnet (32) are respectively slip magnet and fixed magnets, wherein fixed magnets is packed on the housing (34), and connector (2) is connected with the slip magnet.
3, novel permanent magnetic vacuum circuit-breaker according to claim 2 is characterized in that above-mentioned electromagnet (32) is a fixed magnets, and it is packed on the housing (34), and permanent magnet (31) is the slip magnet, and connector (2) is connected with permanent magnet (31).
4, novel permanent magnetic vacuum circuit-breaker according to claim 1 is characterized in that above-mentioned some coil windings (33) on some electromagnets (32) around the home are connected into parallel connection.
5, according to claim 1 or 2 or 3 or 4 described novel permanent magnetic vacuum circuit-breakers, it is characterized in that being provided with in the above-mentioned drive circuit (4) and be in charged state at ordinary times, discharge after closing a floodgate, provide the capacitor C of initial exciting current together to coil windings with power supply, it is connected in parallel on the two ends of coil windings (33).
6, novel permanent magnetic vacuum circuit-breaker according to claim 5 is characterized in that above-mentioned permanent magnet (31) and electromagnet (32) make the boss (31A) and the groove (32A) of the first motion speed that is used for increasing magnet respectively on its contact-making surface.
7, novel permanent magnetic vacuum circuit-breaker according to claim 5 is characterized in that above-mentioned permanent magnet (31) and electromagnet (32) can be respectively rare-earth permanent magnet and rare-earth electromagnetic body, or is respectively nanometer permanent magnet and nano electromagnetic body.
8, novel permanent magnetic vacuum circuit-breaker according to claim 5 is characterized in that can being provided with cushion pad (37) between above-mentioned permanent magnet (31) and the electromagnet (32), and cushion pad (37) has the rubber bodies of magnet material to process by mixing up.
9, novel permanent magnetic vacuum circuit-breaker according to claim 5, it is characterized in that on the above-mentioned permanent magnet (31) also can the winding around winding, and the excitation direction after the coil windings energising is consistent with the original magnetic direction of permanent magnet.
10, novel permanent magnetic vacuum circuit-breaker according to claim 5 is characterized in that can being provided with lubricant (35) between above-mentioned slip magnet and the housing (34), and the contact-making surface between slip magnet and the housing (34) is provided with sealing ring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248714 CN2577429Y (en) | 2002-10-18 | 2002-10-18 | Permanent-magnetic vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248714 CN2577429Y (en) | 2002-10-18 | 2002-10-18 | Permanent-magnetic vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2577429Y true CN2577429Y (en) | 2003-10-01 |
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ID=33719292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248714 Expired - Fee Related CN2577429Y (en) | 2002-10-18 | 2002-10-18 | Permanent-magnetic vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2577429Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485265A (en) * | 2014-12-29 | 2015-04-01 | 刁俊起 | Permanent magnet driving circuit breaker |
| CN104517786A (en) * | 2013-09-27 | 2015-04-15 | 施耐德电器工业公司 | Miniaturized circuit breaker |
-
2002
- 2002-10-18 CN CN 02248714 patent/CN2577429Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517786A (en) * | 2013-09-27 | 2015-04-15 | 施耐德电器工业公司 | Miniaturized circuit breaker |
| CN104485265A (en) * | 2014-12-29 | 2015-04-01 | 刁俊起 | Permanent magnet driving circuit breaker |
| CN104485265B (en) * | 2014-12-29 | 2017-08-25 | 刁俊起 | A kind of permanent magnetic drive breaker |
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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 |