CN107507725B - Press down electric arc electric brake - Google Patents
Press down electric arc electric brake Download PDFInfo
- Publication number
- CN107507725B CN107507725B CN201710622379.3A CN201710622379A CN107507725B CN 107507725 B CN107507725 B CN 107507725B CN 201710622379 A CN201710622379 A CN 201710622379A CN 107507725 B CN107507725 B CN 107507725B
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- CN
- China
- Prior art keywords
- bayonet
- knife bar
- buffing pad
- metal
- conductive
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/54—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch
- H01H21/56—Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch making contact in one position only
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- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of suppression electric arc electric brake, including pedestal, and the two sides of base is equipped with the first binding post, the second binding post；First binding post is electrically connected the hinged seat for hinged knife bar near it, and second binding post is electrically connected the conductive bayonet mount for knife bar described in holding near it；A buffing pad is additionally provided between the conduction bayonet mount and the hinged seat；The upper end of the buffing pad be equipped with one can knife bar described in holding metal bayonet；After the metal bayonet concatenates an inductance, then it is electrically connected the conductive bayonet mount；The height of metal bayonet on the buffing pad meets following condition: the knife bar is contacted with the metal bayonet of the buffing pad first when closing a floodgate, and is then contacted again with the conductive bayonet mount.The electric brake can inhibit the generation of electric arc during switching, have good safety.
Description
Technical field
The present invention relates to field of electrical equipment, particularly, are related to a kind of electric power plug-in strip.
Background technique
Electric brake is a kind of common electric power on-off equipment, and major advantage is that contact is high-visible, picks between no inside
Structure, can ensure the on-off of power circuit completely, and safety is higher；And its shortcoming is that, what knife bar was contacted or was detached from static contact
Moment, the air gap between knife bar and static contact are easy to be punctured by alternating voltage, to generate apparent electric arc, have certain
Risk.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of suppression electric arc electric brake, which can be in the mistake of switching
Cheng Zhong inhibits the generation of electric arc, has good safety.
The technical solution adopted by the present invention to solve the technical problems is: the suppression electric arc electric brake includes pedestal, the pedestal
Two sides are equipped with the first binding post, the second binding post；First binding post is electrically connected the hinge for hinged knife bar near it
Joint chair, second binding post are electrically connected the conductive bayonet mount for knife bar described in holding near it；The conduction bayonet
A buffing pad is additionally provided between seat and the hinged seat；The upper end of the buffing pad be equipped with one can knife bar described in holding gold
Belong to bayonet；After the metal bayonet concatenates an inductance, then it is electrically connected the conductive bayonet mount；Metal on the buffing pad
The height of bayonet meets following condition: the knife bar is contacted with the metal bayonet of the buffing pad, then again first when closing a floodgate
It is contacted with the conductive bayonet mount.
Preferably, being also serially connected with current-limiting resistance between the metal bayonet and the conductive bayonet mount.
Preferably, the buffing pad includes fixed insulation tube, and can be slided up and down in fixed insulation tube hollow
Traveller；The top of the hollow traveller is equipped with the metal bayonet, and lower part is equipped with the induction being electrically connected with the metal bayonet
Coil；The bottom of the hollow traveller is connect by pressure spring with the bottom of the fixed insulation tube；In the fixed insulation tube also
Equipped with a mixing cylinder coaxial with fixed insulation tube, the top of the mixing cylinder is equipped with one section of silicon steel column, and lower part is then
Insulated column；It opens a sluice gate under state, when the hollow traveller is maintained at upper limit position under the elastic force effect of pressure spring, the silicon steel column
Reach maximum by the length that the induction coil surrounds；And when closing a floodgate, the hollow traveller is depressed under the action of knife bar
Lower limit position, the silicon steel column reaches minimum by the length that the induction coil surrounds at this time.
The beneficial effects of the present invention are: for the suppression electric arc electric brake during combined floodgate, the knife bar is first close to described
Metal bayonet on buffing pad, and due to being connected to second binding post after the metal bayonet tandem electric inductance, pass through the inductance
Induction reactance effect, the gap potential difference between knife bar and metal bayonet can be made to significantly reduce, to inhibit the generation of electric arc；And work as
When knife bar continues close to the conductive bayonet mount, the gap potential difference between knife bar and conductive bayonet mount is equal to the inductance both ends
Voltage, since inductance has turned at this time, therefore voltage across the inductor is lower, therefore is difficult to shape again between knife bar and conductive bayonet mount
At electric arc；During opening a sluice gate, when leaving conductive bayonet mount, inductance remains up knife bar, therefore knife bar and conductive bayonet mount
Between potential difference it is lower, be equally not easy to form electric arc, it is equally, also difficult when knife bar leaves the metal bayonet on the buffing pad
To form electric arc；In addition, after combined floodgate, i.e., after knife bar engages with the conductive bayonet mount, the inductance by dead short, thus
The normal transmission of route of power transmission is ensured.
Detailed description of the invention
Fig. 1 is schematic diagram of this suppression electric arc electric brake embodiment one in making process.
Fig. 2 is schematic diagram of this suppression electric arc electric brake embodiment one after combined floodgate.
Fig. 3 is schematic diagram of this suppression electric arc electric brake after opening a sluice gate.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment one:
In Fig. 1, embodiment shown in Fig. 2 one, which includes pedestal 1, and 1 two sides of pedestal are equipped with first
Binding post 21, the second binding post 22；First binding post 21 is electrically connected the hinged seat 4 for hinged knife bar 3 near it,
Second binding post 22 is electrically connected the conductive bayonet mount 5 for knife bar 3 described in holding near it；3 rear end of knife bar
Connection insulation knife handle 31.
A buffing pad 6 is additionally provided between the conduction bayonet mount 5 and the hinged seat 4；The upper end of the buffing pad 6 is solid
Fixed one can knife bar 3 described in holding metal bayonet 60；One inductance of the concatenation of metal bayonet 60 (it is set to inside buffing pad 6,
It is not shown) after, then pass through electric conductor 7 and be electrically connected the conductive bayonet mount 5；The height of metal bayonet 60 on the buffing pad 6
Degree meet following condition: the knife bar 3 close a floodgate when, contacted first with the metal bayonet 60 of the buffing pad 6, then again with institute
Conductive bayonet mount 5 is stated to contact；In the present embodiment one, the metal bayonet 60 is identical as the conductive height of bayonet mount 5, Ji Ke
In making process, contact knife bar 3 with metal bayonet 60 first.
Above-mentioned suppression electric arc electric brake, during combined floodgate, the knife bar 3 is first close to the metal on the buffing pad 6
Bayonet 60, and due to being connected to second binding post 22 after 60 tandem electric inductance of metal bayonet, made by the induction reactance of the inductance
With the gap potential difference between knife bar 3 and metal bayonet 60 being made to significantly reduce, to inhibit the generation of electric arc；And work as knife bar 3
When continuing close to the conductive bayonet mount 5, state is as shown in Figure 1, the gap potential between knife bar 3 and conductive bayonet mount 5 at this time
Difference be equal to the inductance both ends voltage, since inductance has turned at this time, therefore voltage across the inductor is lower, thus knife bar 3 with lead
It is difficult to re-form electric arc between electric bayonet mount 5；During opening a sluice gate, when leaving conductive bayonet mount 5, inductance holding connects knife bar 3
Logical (as long as knife bar 3 and conductive bayonet mount 5 form gap, inductance is switched on), therefore between knife bar 3 and conductive bayonet mount 5
Potential difference is lower, is equally not easy to form electric arc, equally, when knife bar 3 leaves the metal bayonet 60 on the buffing pad 6, is also difficult to
Form electric arc；In addition, after combined floodgate, i.e., after knife bar 3 engages with the conductive bayonet mount 5, as shown in Fig. 2, the inductance is complete
Dead-short-circuit, to ensure the normal transmission of route of power transmission.
Embodiment two:
For embodiment two shown in Fig. 3, what is different from the first embodiment is that the buffing pad includes fixed insulation tube
61, and the hollow traveller 62 that can be slided up and down in fixed insulation tube 61；The top of the hollow traveller 62 is equipped with the gold
Belong to bayonet 60, lower part is equipped with the induction coil 63 being electrically connected with the metal bayonet 60；The bottom of the hollow traveller 62 is logical
Pressure spring 64 is crossed to connect with the bottom of the fixed insulation tube 61；One and fixed insulation tube are additionally provided in the fixed insulation tube 61
The top of 61 coaxial mixing cylinders 65, the mixing cylinder 65 is equipped with one section of silicon steel column (unmarked), and lower part is then insulated column；
It opens a sluice gate under state, the hollow traveller 62 is maintained at upper limit position under the elastic force effect of pressure spring 64, as shown in figure 3, described
Silicon steel column reaches maximum by the length that the induction coil 63 surrounds；And when closing a floodgate, work of the hollow traveller 62 in knife bar 3
Lower limit position is depressed under, the silicon steel column reaches minimum by the length that the induction coil 63 surrounds at this time.
According to embodiment two, the advantage is that: in making process, when knife bar 3 has just contacted the metal bayonet 60, due to
Silicon steel column reaches maximum by the length that the induction coil 63 surrounds, and the inductance of induction coil is huge at this time, can strongly inhibit
The generation of electric arc；And in knife bar 3 and close conductive bayonet mount 5, hollow traveller 62 has been decreased obviously, at this point, induction coil 63
Few silicon steel column has inside been surrounded, inductance is obviously reduced, this reduces the potential difference at induction coil both ends substantially, can be with
Preferably inhibit the electric arc between knife bar and conductive bayonet mount 5.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, made any modification, equivalent replacement be should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of suppression electric arc electric brake, including pedestal (1), pedestal (1) two sides are equipped with the first binding post (21), the second binding post
(22)；First binding post (21) is electrically connected the hinged seat (4) for hinged knife bar (3) near it, and described second connects
Terminal (21) is electrically connected the conductive bayonet mount (5) for knife bar (3) described in holding near it；The conduction bayonet mount (5)
A buffing pad (6) is additionally provided between the hinged seat (4)；The upper end of the buffing pad (6) is equipped with one can be described in holding
The metal bayonet (60) of knife bar (3)；After the metal bayonet (60) concatenates an inductance, then it is electrically connected the conductive bayonet mount
(5)；The height of metal bayonet (60) on the buffing pad (6) meets following condition: the knife bar (3) is when closing a floodgate, first
It contacts with the metal bayonet (60) of the buffing pad (6), is then contacted again with the conductive bayonet mount (5)；It is characterized by: institute
Stating buffing pad (6) includes fixed insulation tube (61), and the hollow traveller (62) that can be slided up and down in fixed insulation tube (61)；
The top of the hollow traveller (62) is equipped with the metal bayonet (60), and lower part is equipped with to be electrically connected with the metal bayonet (60)
Induction coil (63)；The bottom of the hollow traveller (6) is connected by pressure spring (64) and the bottom of the fixed insulation tube (61)
It connects；A mixing cylinder (65) coaxial with fixed insulation tube, the mixing cylinder are additionally provided in the fixed insulation tube (61)
(65) top is equipped with one section of silicon steel column, and lower part is then insulated column；It opens a sluice gate under state, the hollow traveller (62) is in pressure spring (64)
Elastic force effect under when being maintained at upper limit position, the silicon steel column is reached most by the length that the induction coil (63) surrounds
Greatly；And when closing a floodgate, the hollow traveller (62) is depressed into lower limit position under the action of knife bar (3), at this time the silicon steel
Column reaches minimum by the length that the induction coil (63) surrounds.
2. suppression electric arc electric brake according to claim 1, it is characterised in that: the metal bayonet (60) and the conductive bayonet
Current-limiting resistance is also serially connected between seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622379.3A CN107507725B (en) | 2017-07-27 | 2017-07-27 | Press down electric arc electric brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622379.3A CN107507725B (en) | 2017-07-27 | 2017-07-27 | Press down electric arc electric brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107507725A CN107507725A (en) | 2017-12-22 |
| CN107507725B true CN107507725B (en) | 2019-11-26 |
Family
ID=60688968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710622379.3A Active CN107507725B (en) | 2017-07-27 | 2017-07-27 | Press down electric arc electric brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107507725B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148200A (en) * | 2018-08-14 | 2019-01-04 | 邹平县供电公司 | A kind of knife switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569324Y (en) * | 2002-07-27 | 2003-08-27 | 高翔凌 | Connection line load switch |
| CN103794399A (en) * | 2012-10-31 | 2014-05-14 | 西安蓝钻电子科技有限公司 | Knife switch |
| CN205789654U (en) * | 2016-06-30 | 2016-12-07 | 莱芜钢铁集团有限公司 | Chopper switch and supply line |
-
2017
- 2017-07-27 CN CN201710622379.3A patent/CN107507725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569324Y (en) * | 2002-07-27 | 2003-08-27 | 高翔凌 | Connection line load switch |
| CN103794399A (en) * | 2012-10-31 | 2014-05-14 | 西安蓝钻电子科技有限公司 | Knife switch |
| CN205789654U (en) * | 2016-06-30 | 2016-12-07 | 莱芜钢铁集团有限公司 | Chopper switch and supply line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107507725A (en) | 2017-12-22 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191101 Address after: 311800 room 1902, unit 1, building 1, Anping community, No. 98 Xiang'an Road, Jiyang street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: Zhuji Houqi Equity Investment Co., Ltd Address before: Wujiang Pingwang Town District of Suzhou City, Jiangsu province 215000 Yang village committee Applicant before: Zhao Yaqin |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200611 Address after: 361001 room 1201, No. 81, Hubin West Road, Siming District, Xiamen City, Fujian Province Patentee after: Xiamen Guodian Longyuan Electric Development Co.,Ltd. Address before: 311800 room 1902, unit 1, building 1, Anping community, No. 98 Xiang'an Road, Jiyang street, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhuji Houqi Equity Investment Co.,Ltd. |