CN1304155A - Differential electric protecting device, especially differential switch - Google Patents
Differential electric protecting device, especially differential switch Download PDFInfo
- Publication number
- CN1304155A CN1304155A CN01101331.1A CN01101331A CN1304155A CN 1304155 A CN1304155 A CN 1304155A CN 01101331 A CN01101331 A CN 01101331A CN 1304155 A CN1304155 A CN 1304155A
- Authority
- CN
- China
- Prior art keywords
- main body
- mentioned
- differential
- housing
- 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
- 238000009413 insulation Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H2071/0242—Assembling parts of a circuit breaker by using snap mounting techniques
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Emergency Protection Circuit Devices (AREA)
- Amplifiers (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
A differential electric protection device, including an open/close mechanism (4) of contacting components (5,6) and a differential trip (2) which is mounted on a data processing electronic card (3), contacting components are hold in a closed position by a lock system (25,27) locked via a tripping component, and pressed to a turn off position by a spring (19) to be placed into a housing (18) after tripping. Two ends of the spring support a wall of the main body and the shaft of moveable contacting components respectively. An aperture (21) in the main body enables a spring (19) to be placed into a housing (18) after installed in the main body (1) which assembles with differential trip and a prefixing card (3) of the mechanism (4).
Description
The present invention relates to a kind of differential electric protective device; particularly a kind of switch; be contained in the insulation shell that comprises a main body and a lid; this switch comprises a contact switching mechanism by the handle actuating; thereby comprise that also one can activate and mechanically be connected in the differential release that described switching mechanism disconnects contact by a dropout part when insulation fault appears in protected circuit; above-mentioned dropout part is installed in a blocks of data and handles on the electron plate; the movable contact of (a plurality of) of device remains on a make position by a locking system; described locking system can the release by the actuating of above-mentioned dropout part; after movable contact was threaded off, the spring that is installed in the housing that belongs to described main body was pressed to an open position.The two ends of described spring are supported on the wall of main body respectively and are supporting on the axle of movable (a plurality of) contact.
In known above-mentioned differential switch, the basic structure of device can not a such plate of fit on, and this plate comprises the electronic circuit of being with accessory power supply and differential release is housed and the contact release mechanism.In these devices, in fact, must before assembling contact release mechanism, the contact cut-out spring be contained in the main body, therefore, the contact back shaft must head on the spring force pressurization and assemble, this has increased the complexity of assembling, and caused can not main body with an electron plate charging apparatus that is connected in the contact release mechanism in advance in.
The invention solves this problem, advised a kind of quite simple differential switch that assembles.
For this reason; the objective of the invention is to obtain a kind of differential electric protective device; switch for example; this device is characterised in that: device main body comprises a hole; this hole makes spring insert above-mentioned housing after described plate is contained in the main body of device case, and described plate is equipped with contact release mechanism on differential release and the predetermined fixed.
According to a certain embodiments, the housing of device comprises a front panel, it provides two joint faces that cover the splicing ear of device on each side of a lug boss that covers above-mentioned release mechanism, this device is characterised in that: the above-mentioned hole that is used for inserting spring be positioned at one of above-mentioned two joint faces with above-mentioned lug boss infall.
According to a specific feature, above-mentioned release mechanism is by a flange support, and this flange comprises clamping element, described release mechanism dress onboard after, the clamping element of the complementation on this clamping element and the main body cooperates, and release mechanism is fixed on the main body to small part.
According to another special characteristic, solenoidal housing is provided with like this with respect to plate, that is, this housing cooperates with the wall of main body, so that the insulation between the direct elementary flat cable that movable contact is connected in lead-out terminal to be provided.
Another specific feature is that above-mentioned contact release mechanism is fixed onboard by inserting.
By only being that below with reference to purpose accompanying drawing for example to the detailed description that the present invention did, can more be clear that other features and advantages of the present invention.
Fig. 1 is the perspective view before described release is assemblied on the described plate, shows the electron plate that a differential release is housed on the one hand, shows a contact release mechanism on the other hand,
Fig. 2 is a perspective view, illustrates one and not only had been equipped with one and is used to disconnect and the mechanism of closed contact but also the assembling of electron plate in device main body that a differential release is housed,
Fig. 3 be same device in the rigging position of packing into and cut-out spring still is unkitted the width of cloth perspective view under the situation in the main body,
Fig. 4 one is parallel to a sectional arrangement drawing of the primary flat of described device, and the internal part of described device is shown,
Fig. 5 also is a sectional arrangement drawing, but this vertical section is perpendicular to the primary flat of device.
Can see an electronic differential switch in Fig. 2 to 5, it is designed for a power-supply system, with at the ground insulation error protection latter.This device covers on one by a kind of known mode own and is roughly in the housing of hexahedron, and this housing comprises a main body 1 and a lid (can't see in the drawings).Can see especially clearly that in Fig. 1 switch comprises that one is installed in differential release 2 on the electron plate 3 and one and is used to disconnect mechanism 4 with closed contact 5,6, comprises the electronic processing circuit of a band accessory power supply on the described plate 3.This assembly is contained in the chamber 7 of main body 1 of insulation shell of switch (Fig. 2), this insulation shell is designed to cover an input splicing ear 8 and an output splicing ear 9, to constitute a differential switch D.
Differential release 2 comprises an addition transformer 10 and an electromagnetic trip relay 11 in known mode own.Addition transformer 10 constitutes a differential current detector, and provides the magnetic circuit that form is a solenoid 12, and solenoid 12 has a centre bore 13, and the primary winding 14,15 that is formed by the power lead of protected low voltage electric power system can pass this hole.Magnetic pole winding 16 is wrapped on the solenoid 12, and is electrically connected with a measuring resistance of electronic circuit.
Electromagnetic trip relay 11 is formed by an actuator that has shunt opening release coil 17.Tubular coil 17 is by a supports support, and comprises a movable magnetic core (invisible among the figure) with known manner in a hole, and this magnetic core connects with an actuated piece.The coil of relay is connected in two terminals of circuit.
Can see that referring to Fig. 2 to 4 main body 1 of housing comprises a case 18, this case is designed to receive a spring, and this spring is called cut-out spring, can after device is threaded off movable contact 5,6 be pressed to open position.As can be seen from Figure 4, in operation, spring 19 is supported on the main body 1 of housing respectively by its two opposite ends 19a and 19b a wall 1a goes up and is supporting on the axle 20 that one of movable contact 5 and 6 are referred to as the contact back shaft.According to the present invention, case 18 provide one can be near hole 21, the location in this hole make spring 19 can be in the assembly that is made of the plate 3 that is equipped with release mechanism 4 and release 2 be packed main body 1 into after assembling again.According to a certain embodiments of the present invention, hole 21 is positioned at one 22 intersection in the bossing (Fig. 4) that covers switching mechanism 4 and the joint face 22,23.
With following method device is assembled.At first, make primary wires 14 and 15 pass solenoid 12 (Fig. 5).Primary coil 14 and 15 is by one among its two ends 14a and 15a output splicing ear that is connected to device, and is connected to two movable contacts 5 and 6 by its relative end 14b and 15b.Then 4 grafting of contact switching mechanism or groove are connected on (Fig. 1) on the plate 3, more this assembly are inserted in the hole of main body 1.By means of a locking piece 25 on the flange 26 that is supporting mechanism 4 (it cooperates with the clamping element 27 of a complementation on the main body 1), mechanism 4 is clamped on the main body 1,, this assembly is fixed on the main body 1 simultaneously by means of passing two holes 30 that are provided at respectively on flange 26 and the main body 1 and 31 bolt (not shown).Can cut-out spring 19 be inserted in the case 18 of (position b) main body 1 by the hole 21 that is provided on the main body 1 then, this can more be clear that in Fig. 4, up to the position with (a) expression.At this position (a), spring 19 be supported on that the wall 1a that belongs to main body 1 goes up and contact back shaft 20 on.
In this position, can see referring to Fig. 5 especially, the case 29 of solenoid 12 cooperates with the wall 28 of main body 1 with respect to the case 29 that is arranged so that of plate 3, with the insulation between the elementary flat cable 14,15 of the output splicing ear 9 that obtains directly movable contact 5 and 6 to be connected in device.Like this with the insulation between the movable lead 14 and 15 of minimum cost acquisition.
Therefore, by the present invention, needn't before the contact switching mechanism, assemble the contact cut-out spring, this has caused this on-off ratio to be easier to assembling, because main body can receive an electron plate that is connected in the contact switching mechanism in advance, therefore, comprise all differential functions.
The present invention is not limited to top purpose naturally and only is description and diagram for example.The present invention both had been applicable to switch, also was applicable to circuit breaker.
The present invention has comprised all technical equivalents things of said apparatus, has also comprised its combination, as long as the latter makes according to spirit of the present invention.
Claims (5)
1. differential electric protective device; particularly a kind of switch; be contained in the insulation shell that comprises a main body and a lid; comprise a contact switching mechanism by the handle actuating; thereby comprise that also one can activate and mechanically be connected in the differential release that described switching mechanism disconnects contact by a dropout part when insulation fault appears in protected circuit; above-mentioned dropout part is installed in a blocks of data and handles on the electron plate; the movable contact of described device remains on a make position by a locking system; this locking device can the release by the actuating of above-mentioned dropout part; the spring that is installed in the housing that belongs to described main body after described contact is threaded off is pressed to an open position; the two ends of described spring are supported on the wall of main body respectively and are supporting on the axle of movable contact
It is characterized in that: aforementioned body (1) comprises a hole (21), this hole makes above-mentioned spring (19) insert above-mentioned housing (18) after described plate (3) are contained in the main body (1) of device case, and described plate (3) is equipped with contact release mechanism (4) on differential release (2) and the predetermined fixed.
2. device as claimed in claim 1, it is characterized in that: the housing of described device comprises a front panel, it provides two joint faces (22,23) that cover the splicing ear (8,9) of device on each side of a lug boss that covers above-mentioned release mechanism (4), the above-mentioned hole (21) that is used for inserting spring (19) is positioned at (22) and above-mentioned lug boss intersection of above-mentioned two joint faces (22,23).
3. as the device of claim 1 or 2, it is characterized in that: said mechanism (4) is supported by a flange (26), this flange comprises clamping element (25), after described mechanism (4) is contained on the plate (3), the clamping element (27) of the complementation on this clamping element and the main body (1) cooperates, and described release mechanism (4) is fixed on the main body (1) to small part.
4. the device of arbitrary claim as described above is characterized in that: above-mentioned release mechanism (4) is gone up and is fixed by being inserted in plate (3).
5. as each device in the claim 1 to 4, it is characterized in that: the housing (29) of solenoid (12) is with respect to the such setting of plate (3), promptly, housing (29) cooperates with the wall (28) of main body (1), so that the insulation between the direct elementary flat cable (14,15) that movable contact (5,6) is connected in described device lead-out terminal (9) to be provided.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0000246A FR2803688B1 (en) | 2000-01-10 | 2000-01-10 | DIFFERENTIAL ELECTRICAL PROTECTION APPARATUS, IN PARTICULAR A DIFFERENTIAL SWITCH |
| FR0000246 | 2000-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1304155A true CN1304155A (en) | 2001-07-18 |
| CN1180450C CN1180450C (en) | 2004-12-15 |
Family
ID=8845751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011013311A Expired - Fee Related CN1180450C (en) | 2000-01-10 | 2001-01-02 | Differential electric protecting device, especially differential switch |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1117115B1 (en) |
| CN (1) | CN1180450C (en) |
| AT (1) | ATE337612T1 (en) |
| FR (1) | FR2803688B1 (en) |
| HK (1) | HK1038637A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2923939A1 (en) | 2007-11-16 | 2009-05-22 | Schneider Electric Ind Sas | ELECTRIC CUTTING APPARATUS |
| CN103501837B (en) | 2011-06-23 | 2016-01-13 | 生物技术公司 | For the ventilated container of medical pump |
| EP2753677B1 (en) | 2011-09-05 | 2017-04-19 | Xylowatt S.A. | Carbonaceous solid fuel gasifier. |
| JP6157390B2 (en) * | 2014-03-20 | 2017-07-05 | 三菱電機株式会社 | Earth leakage breaker |
| DE102022202311A1 (en) * | 2022-03-08 | 2023-09-14 | Siemens Aktiengesellschaft | Electronically switching modular device and insulated housing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2648736A (en) * | 1949-10-08 | 1953-08-11 | Fed Electric Prod Co | Automatic circuit breaker |
| FR2674986B1 (en) * | 1991-04-08 | 1996-03-08 | Hager Electro | IMPROVED MODULAR SINGLE POLE CIRCUIT BREAKER AND MOUNTING METHOD THEREOF. |
| FR2686453B1 (en) * | 1992-01-17 | 1994-04-08 | Legrand | DIFFERENTIAL SWITCH. |
-
2000
- 2000-01-10 FR FR0000246A patent/FR2803688B1/en not_active Expired - Fee Related
- 2000-12-07 EP EP00410148A patent/EP1117115B1/en not_active Expired - Lifetime
- 2000-12-07 AT AT00410148T patent/ATE337612T1/en not_active IP Right Cessation
-
2001
- 2001-01-02 CN CNB011013311A patent/CN1180450C/en not_active Expired - Fee Related
- 2001-11-15 HK HK01108071A patent/HK1038637A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1117115A1 (en) | 2001-07-18 |
| ATE337612T1 (en) | 2006-09-15 |
| CN1180450C (en) | 2004-12-15 |
| FR2803688A1 (en) | 2001-07-13 |
| FR2803688B1 (en) | 2002-03-01 |
| EP1117115B1 (en) | 2006-08-23 |
| HK1038637A1 (en) | 2002-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041215 Termination date: 20170102 |