CN109961986A - Electrical equipment for the electric current in foundation or disconnecting circuit - Google Patents
Electrical equipment for the electric current in foundation or disconnecting circuit Download PDFInfo
- Publication number
- CN109961986A CN109961986A CN201811502053.8A CN201811502053A CN109961986A CN 109961986 A CN109961986 A CN 109961986A CN 201811502053 A CN201811502053 A CN 201811502053A CN 109961986 A CN109961986 A CN 109961986A
- Authority
- CN
- China
- Prior art keywords
- conductor
- electrical equipment
- bridge
- supporting element
- movable contact
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/002—Details of electromagnetic relays particular to three-phase electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Slide Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Keying Circuit Devices (AREA)
Abstract
The present invention relates to a kind of electrical equipments for the electric current in foundation or disconnecting circuit, the equipment includes: at least two pairs of fixed contacts (19 to 24), and each pair of fixed contact includes two fixed contacts being electrically connected respectively to associated to fixed contact, equipment the upstream terminal (11 to 14) and downstream terminal (15 to 18)；With the bridge (25 to 27) of two movable contacts, the bridge can move between the first position and the second position, in the first position, the bridge is electrically connected the two fixed contacts, in the second position, electric current flowing between the two fixed contacts disconnects, one pair of them fixed contact and its associated movable contact bridge are on the route (8,9,10) of transmission phase, and another pair fixed contact and its associated movable contact bridge are on the route (7) of the transmission neutral conductor.The equipment is characterized in that it is permanently connected for being located on neutral circuit (7), the electrical connection between two terminals (11,15).
Description
Technical field
The present invention relates to a kind of electrical equipment for the electric current in foundation or disconnecting circuit, the equipment includes: at least
Two pairs of fixed contacts, each pair of fixed contact include being electrically connected respectively to and the upstream end associated to fixed contact, equipment
Two fixed contacts of son and downstream terminal；It, can be between the first position and the second position with the bridge of two movable contacts
Mobile, in the first position, which is electrically connected the two fixed contacts, in the second position, the two fixed contacts it
Between electric current flowing disconnect, one pair of them fixed contact and its associated movable contact bridge are another on the route of transmission phase
To fixed contact and its associated movable contact bridge on the route of the transmission neutral conductor.
Background technique
It is this be referred to as " contactor " equipment be it is known, which is for building via electrical or pneumatic control unit
The electrical equipment of vertical or turn-off current flowing.
According to its purposes, which can be monopole, bipolar, three poles or even quadrupole contactor.In other words, the contact
Device has one to four power contact head, for bearing the electric arc as caused by high current in open or close.
In this contactor, all movable contacts are all mounted on the same supporting element, so that when that will close or open
When contactor is given in order, they can be moved simultaneously.This contactor can be manually or via solenoid actuated, and electric current can be with
By the coil, and the coil can interact with fixed armature and a movable armature, and fixed armature is rigidly connected to contact
The fixed contact of device, a movable armature are rigidly connected to the movable contact of contactor.Therefore, when there is no electric current to pass through coil,
Fixed armature will not apply magnetic pull on a movable armature, and then magnetic circuit is opened.When enough electric currents pass through coil, fixed electricity
Pivot attracts a movable armature and is attached to a movable armature: and then closed magnetic circuit.Therefore, the opening of the movement driving contact of a movable armature
And closure.
It e.g. include the quadrupole equipment of three phase lines and a neutral circuit when the equipment includes neutral circuit,
Neutral circuit is formed in a manner of identical with phase line, i.e., it includes two fixed contacts being electrically connected respectively with two terminals,
With the movable contact bridge for forming two movable contacts that can be interacted respectively with above-mentioned two fixed contact.
Each of these fixed contacts and movable contact all include engagement pad, and the pad is in a certain number of of contactor
It is easy to aging sign occur after operation.This aging phenomenon of engagement pad aging may cause neutral breakdown, this may cause
Overvoltage, overvoltage may cause the partially or completely destruction of receiver.
In order to overcome this problem and ensure to be properly formed the electricity between two upstream and downstream terminals on neutral circuit
Connection, as precautionary measures, setter usually adds the external wiring of two terminals of electrical connection, and this represent the limits to setter
System.
Summary of the invention
The present invention overcomes these problems and a kind of electrical equipment is provided, the electrical equipment is for foundation or disconnecting circuit
Electric current in (such as contactor), to allow to eliminate additional limitation of the risk of neutral breakdown without setter.
For this purpose, subject of the present invention is a kind of electrically setting for the electric current in the circuit for establishing or disconnecting the above-mentioned type
Standby, which is characterized in that the electrical connection between two terminals being located on neutral circuit is permanently connected.
According to a specific feature, above-mentioned electrical connection is formed by single-piece rigid conductor, which exists
Its two opposite end respectively includes two end sections, the two end sections are respectively formed the corresponding of two terminals
Two bonding pads.
According to another feature, above-mentioned conductor is in U-shape, including straight central part, which has at it
Two continuous right angle bends at each of two opposite ends place, the neutral conductor have in phase line
Each on be located at the corresponding global shape of shape of one group of conductor between upstream terminal and downstream terminal.
According to another feature, all movable contact bridges of the equipment are all mounted on same supporting element, the supporting element energy
Enough moved between above-mentioned two position by control device, each movable contact bridge passes through the opening in supporting element, so as to by
This can be respectively facing closed position and open position and be driven, and neutral conductor passes through supporting element by gap, and the gap is opposite
It is arranged so that conductor does not interfere the movement of supporting element in conductor, when movable contact bridge is in the close position middle, neutral conductor
The supporting element that passes through being partially in plane identical with movable contact bridge.
According to another feature, the axis that above-mentioned opening allows the movable contact bridge to be parallel to movable contact bridge is inserted into, and
And above-mentioned gap can allow for conductor perpendicular in the longitudinal direction insertion supporting element of the conductor.
According to another feature, above-mentioned neutral conductor is kept and is located at least one slideway, at least one cunning
Road is arranged in the inside face for the wall of shell for belonging to the equipment.
According to another feature, which is quadrupole equipment comprising three electric phase lines and an electroneutral route.
According to a special feature, which is contactor.
Detailed description of the invention
However, below with reference in the detailed description for the attached drawing being merely given as examples, other advantages of the invention and spy
Sign will become clearer, in the accompanying drawings:
Fig. 1 is the perspective view of contactor according to the present invention；
Fig. 2 is the perspective view for showing a part of contactor, which includes terminal and be connected to down upstream terminal
Swim the electrical connection of terminal；
Fig. 3 is cross-sectional view of the contactor in the plane parallel with equipment attachment plane；With
Fig. 4 is that show according to the present invention include that movable contact supporting element, fixed contact and movable contact and neutrality are led
The perspective view of a part of the equipment of body；
Fig. 5 is the perspective view of movable contact supporting element according to prior art；
Fig. 6 is the perspective view of the movable contact supporting element after adjusting according to the present invention；
Fig. 7 is local perspective view, and which more particularly illustrate the housing parts for the equipment for including slideway；With
Fig. 8 is the detailed view of Fig. 7.
Specific embodiment
Fig. 1 shows electric contactor C according to the present invention.In a way known, contactor C is contained in substantially
For in the shell B of parallelepiped, shell B includes: the rear 1 for being attached to attachment rail；Form the forward face of nose
2；Two lateral faces 3,4, contactor can be set via other for the same type that the two lateral faces 3,4 are attached on track
It is standby；With two faces, respectively upper side 5 and bottom surfaces 6, one group of downstream terminal A and one group of upstream terminal T are respectively included.
According to the certain exemplary embodiments, which is quadrupole equipment and accommodates four electric lines 7,8,9,10, i.e.,
Neutral circuit 7 and three phase lines 8,9,10.It is associated with each of these electric lines be upstream terminal 11,12,13,
14 and downstream terminal 15,16,17,18, via electric wire or comb, upstream terminal is for electrically connecting to power supply apparatus, downstream
Son is for electrically connecting to output equipment.
Each electricity phase line 8,9,10 includes: two fixed contacts 19,20；21,22；23,24, it is electrically connected respectively to down
Swim terminal and upstream terminal；And the bridge 25,26,27 of two movable contacts, two are formed at two opposed end movably
Contact a, b, the two movable contacts a, b with fixed contact 19,20 to 24 for interacting respectively.All contacts are in contact zone
It include engagement pad 28 at domain.All fixed contacts are electrically and mechanically arrived by the end of itself and movable contact relative positioning
Bonding pad 12a, 13a, 14a, 16a, 17a, 18a of corresponding terminal 12,13,14,16,17,18.
According to the present invention, the upstream terminal 11 on neutral circuit 7 and the electrical connection between downstream terminal 15 are permanent,
Therefore movable contact and two fixed contacts are equipped with unlike other phase lines.
Illustrated embodiment according to the present invention, the electrical connection are formed by flat rigid conductor 29, and the conductor 29 is by one
Component composition.The conductor includes straight line portion 29a, and there are two right angles in two opposite end tool by straight line portion 29a
Bending section 29b, 29c, and two bonding pads or part 11a, 15a are formed in two opposite end, it is used to distinguish
It is inserted into corresponding two terminals 11,15.
The shape of the neutral conductor 29 corresponds generally to associated with phase current route and fixes touching including two
Each group of shape of head, movable bridge and two bonding pads.The straight line portion 29a of neutral conductor 29 is located to be consolidated with including two
In fixed contact and each group of identical plane associated with phase line of movable contact.
As shown in Figures 4 to 6, all movable contact bridges 25,26,27 of equipment are mounted in the same supporting element 30, should
Supporting element 30 can be moved between above-mentioned two position by manual or Electromagnetic Control device.Each movable contact bridge passes through branch
Opening 30a in support member is driven so as to thus be respectively facing closed position and open position, and neutral conductor 29 passes through
Gap 30b passes through supporting element 30, and gap 30b is arranged so that the neutral conductor does not interfere the shifting of supporting element 30 relative to conductor
Dynamic, when movable contact bridge is in the close position, neutral conductor is in the same plane with movable contact bridge.Opening 30a permits
Perhaps the bridge is parallel to the axis insertion of bridge, and above-mentioned gap 30b can allow for neutral conductor perpendicular to the longitudinal direction of the conductor
It is inserted into supporting element 30.
It therefore, can be by from such as usually the supporting element used in the contactor of the prior art removes end sections
30c is used in the contactor of the prior art with allowing neutral conductor to be inserted into the supporting element to use perpendicular to its longitudinal direction
Supporting element.
Neutral conductor is installed in the following manner.
Firstly, neutral conductor 29 is placed into two slideways 31,32 of the shell B of equipment shown in Fig. 7 and 8, then
Two neutral terminals 11,15 are separately mounted to two ends of conductor.
Next, the supporting element 30 for being equipped with movable contact bridge 25,26,27 is placed into the shell of equipment, Zhi Daoqi
Positioned at the surface of neutral conductor 29, optionally had modified using the supporting element of the prior art as previously discussed
After supporting element 30.Next, fixed contact 19 to 24 is inserted into shell B together with corresponding terminal 11 to 18.
By means of the present invention, manufacture for establishing or the electrical equipment of the electric current in disconnecting circuit (such as contactor),
The equipment allows to overcome one using the current divider being incorporated on neutral circuit in equipment in the case where no external wiring
The problem of neutral breakdown, then occurs for the aging of denier engagement pad.The solution can be in a manner of carrying out the modification of minimum easily
It is integrated in existing contactor.
Certainly, it the present invention is not limited to described and illustrated embodiment, is merely given as examples.
On the contrary, the present invention includes all technically equivalent ones of the equipment and combinations thereof, as long as these are according to the present invention
Spirit realize.
Claims (8)
1. a kind of electrical equipment for the electric current in foundation or disconnecting circuit, the equipment includes: at least two pairs of fixed contacts,
Each pair of fixed contact includes being electrically connected respectively to and the upstream terminal associated to fixed contact, equipment and downstream terminal
Two fixed contacts；With the bridge of two movable contacts, which can move between the first position and the second position, this first
In position, which is electrically connected the two fixed contacts, and in the second position, the electric current flowing between the two fixed contacts is disconnected
Open, one pair of them fixed contact and its associated movable contact bridge on the route of transmission phase, another pair fixed contact and its
Associated movable contact bridge is on the route of the transmission neutral conductor, which is characterized in that is located on neutral circuit (7), two ends
Electrical connection between sub (11,15) is permanently connected.
2. electrical equipment according to claim 1, which is characterized in that above-mentioned electrical connection is by single-piece rigid conductor (29) shape
At the rigid conductor respectively includes two end sections in its two opposite end, the two end sections are respectively formed
It is belonging respectively to two bonding pads (11a, 15a) of two terminals (11,15).
3. electrical equipment according to claim 2, which is characterized in that above-mentioned conductor (29) is in U-shape, including straight central portion
Divide (29a), which has two continuous right-angle bendings at each of its two opposite end place
Portion (29b, 29c), the referred to as conductor of neutral conductor (29) have with transmission phase route (8,9,10) in it is each
The corresponding entirety of shape of a upper one group of conductor between upstream terminal (12,13,14) and downstream terminal (16,17,18)
Shape.
4. electrical equipment according to any one of claim 1 to 3, which is characterized in that all movable contacts of the equipment
Bridge (25,26,27) is all mounted on same supporting element (30), the supporting element be able to pass through the controller part above-mentioned two position it
Between move, each movable contact bridge (25,26,27) pass through supporting element (30) in opening (30a), so that thus, it is possible to courts respectively
It is driven to closed position and open position, the conductor (29) passes through supporting element (30) by gap (30b), and the gap is opposite
It is arranged so that conductor (29) does not interfere the movement of supporting element (30) in conductor (29), when movable contact bridge (25,26,27) is in
When in closed position, being partially in plane identical with movable contact bridge across supporting element of conductor (29).
5. electrical equipment according to claim 4, which is characterized in that the opening (30a) allows the movable contact bridge flat
Row is inserted into the axis of bridge, and the gap (30b) can allow for conductor (29) perpendicular to the longitudinal direction of the conductor (29)
It is inserted into supporting element (30).
6. the electrical equipment according to any one of claim 2 to 5, which is characterized in that the neutral conductor (29) is protected
It holds and is located at least one slideway (31,32), which is arranged in the wall for the shell B for belonging to the equipment
In portion face.
7. electrical equipment according to any one of the preceding claims, which is characterized in that the electrical equipment is that quadrupole is set
It is standby, including three electric phase lines (8,9,10) and an electroneutral route (7).
8. electrical equipment according to any one of claim 1 to 7, which is characterized in that the electrical equipment is contactor
C。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1762101 | 2017-12-14 | ||
| FR1762101A FR3075458B1 (en) | 2017-12-14 | 2017-12-14 | ELECTRICAL DEVICE INTENDED TO ESTABLISH OR INTERRUPT THE CURRENT IN AN ELECTRIC CIRCUIT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109961986A true CN109961986A (en) | 2019-07-02 |
| CN109961986B CN109961986B (en) | 2023-03-21 |
Family
ID=62749018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811502053.8A Active CN109961986B (en) | 2017-12-14 | 2018-12-10 | Electrical device for establishing or breaking a current in an electrical circuit |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3499540B1 (en) |
| CN (1) | CN109961986B (en) |
| FR (1) | FR3075458B1 (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057058A (en) * | 1964-07-28 | 1967-02-01 | B & R Relays Ltd | Electrical contactor |
| CN1090678A (en) * | 1992-10-26 | 1994-08-10 | 泰利梅卡尼克公司 | Contactor arrangement |
| CN1374670A (en) * | 2001-03-09 | 2002-10-16 | 施耐德电器工业公司 | Multipole contact assembly |
| CN2681311Y (en) * | 2004-01-30 | 2005-02-23 | 厦门宏发电声有限公司 | Low-height multi-contact AC-DC electromagnetic relay |
| CN1725413A (en) * | 2000-10-16 | 2006-01-25 | 莱维顿制造有限公司 | Circuit interrupting device |
| US20060066425A1 (en) * | 2004-09-29 | 2006-03-30 | Gruner Klaus A | Multi-phase electromagnetic relay assembly and motor assembly |
| CN101826416A (en) * | 2009-03-05 | 2010-09-08 | 洛克威尔自动控制技术股份有限公司 | The swtiching phase offset that is used for contactor optimization |
| CN102047370A (en) * | 2008-06-05 | 2011-05-04 | 黑格电子股份有限公司 | Electric selective automatic switch |
| CN202816837U (en) * | 2011-03-31 | 2013-03-20 | 施耐德电器工业公司 | A movable contact bridge and an electric switch device |
| CN204155879U (en) * | 2014-11-04 | 2015-02-11 | 大连理工常熟研究院有限公司 | A kind of control device for earth leakage protective device |
| CN105393324A (en) * | 2013-06-27 | 2016-03-09 | 施耐德电气美国股份有限公司 | Plug-on neutral connection |
| CN205487954U (en) * | 2016-01-11 | 2016-08-17 | 三信国际电器上海有限公司 | Contactor |
| CN206283054U (en) * | 2015-09-11 | 2017-06-27 | 拉斯科运营控股有限责任公司 | For the heat detecting plug of power supply line |
| CN107393766A (en) * | 2017-07-26 | 2017-11-24 | 上海西艾爱电子有限公司 | A kind of bridging contact electromagnetic relay |
-
2017
- 2017-12-14 FR FR1762101A patent/FR3075458B1/en active Active
-
2018
- 2018-11-06 EP EP18204714.2A patent/EP3499540B1/en active Active
- 2018-12-10 CN CN201811502053.8A patent/CN109961986B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057058A (en) * | 1964-07-28 | 1967-02-01 | B & R Relays Ltd | Electrical contactor |
| CN1090678A (en) * | 1992-10-26 | 1994-08-10 | 泰利梅卡尼克公司 | Contactor arrangement |
| CN1725413A (en) * | 2000-10-16 | 2006-01-25 | 莱维顿制造有限公司 | Circuit interrupting device |
| CN1374670A (en) * | 2001-03-09 | 2002-10-16 | 施耐德电器工业公司 | Multipole contact assembly |
| CN2681311Y (en) * | 2004-01-30 | 2005-02-23 | 厦门宏发电声有限公司 | Low-height multi-contact AC-DC electromagnetic relay |
| US20060066425A1 (en) * | 2004-09-29 | 2006-03-30 | Gruner Klaus A | Multi-phase electromagnetic relay assembly and motor assembly |
| CN102047370A (en) * | 2008-06-05 | 2011-05-04 | 黑格电子股份有限公司 | Electric selective automatic switch |
| CN101826416A (en) * | 2009-03-05 | 2010-09-08 | 洛克威尔自动控制技术股份有限公司 | The swtiching phase offset that is used for contactor optimization |
| CN202816837U (en) * | 2011-03-31 | 2013-03-20 | 施耐德电器工业公司 | A movable contact bridge and an electric switch device |
| CN105393324A (en) * | 2013-06-27 | 2016-03-09 | 施耐德电气美国股份有限公司 | Plug-on neutral connection |
| CN204155879U (en) * | 2014-11-04 | 2015-02-11 | 大连理工常熟研究院有限公司 | A kind of control device for earth leakage protective device |
| CN206283054U (en) * | 2015-09-11 | 2017-06-27 | 拉斯科运营控股有限责任公司 | For the heat detecting plug of power supply line |
| CN205487954U (en) * | 2016-01-11 | 2016-08-17 | 三信国际电器上海有限公司 | Contactor |
| CN107393766A (en) * | 2017-07-26 | 2017-11-24 | 上海西艾爱电子有限公司 | A kind of bridging contact electromagnetic relay |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3075458B1 (en) | 2020-09-11 |
| EP3499540B1 (en) | 2023-05-03 |
| EP3499540A1 (en) | 2019-06-19 |
| CN109961986B (en) | 2023-03-21 |
| FR3075458A1 (en) | 2019-06-21 |
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