CN101842950B - Electromagnetic contactor - Google Patents
Electromagnetic contactor Download PDFInfo
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- CN101842950B CN101842950B CN200880113678.3A CN200880113678A CN101842950B CN 101842950 B CN101842950 B CN 101842950B CN 200880113678 A CN200880113678 A CN 200880113678A CN 101842950 B CN101842950 B CN 101842950B
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- fuse
- electromagnetic contactor
- switch
- power conductor
- conductor
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- 239000004020 conductor Substances 0.000 claims abstract description 135
- 238000007789 sealing Methods 0.000 claims description 4
- 230000012447 hatching Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/26—Arrangements of fuses, resistors, voltage arresters or the like
Abstract
Provided is an electromagnetic contractor having reduced dimensions. In the electromagnetic contactor, a power supply conductor is arranged to orthogonally intersect with the longitudinal direction of a fuse. Thus, the dimension in the depth direction of the electromagnetic contactor is reduced, and the height dimension of the electromagnetic contactor is reduced by the amount that the longitudinal direction of a switch is arranged in the same direction as the longitudinal direction of the fuse.
Description
Technical field
The present invention relates to electromagnetic contactor, it is arranged to the polyphase electric power from power conductor is supplied to the load conductor by fuse and switch.
Background technology
Usually, in electric power reception and conversion equipment, use switch to carry out daily shutdown.Switch arrangement becomes to make that load current is electric to be switched on and off.Have this switch, it is arranged through the electric current that fuse blows is disconnected be equal to or greater than daily load current (that is, fault current).This switch is called the electromagnetic contactor (being called for short hereinafter electromagnetic contactor) with fuse.Usually, in traditional electromagnetic contactor, the longitudinal direction of the fuse of horizontal arrangement is vertical with the longitudinal direction of switch.Therefore, there is the problem that increases height.
In addition, existence is as the electromagnetic contactor dash receiver 101 shown in Figure 9 (for example, patent documentation 1) of traditional electrical magnetic contactor.In this electromagnetic contactor dash receiver 101, switch (load breaker, load interrupter or electromagnetic contactor) 103 is arranged in the housing 102.Switch 103 is connected on the cutting portion 105, and described place of incision is in input side and be arranged on the partition walls 104.Power conductor 106 is connected on the cutting portion 105.Power conductor 106 is connected on the top power supply 107 of switch 103.Load conductor 109 is connected on the cutting portion 108 that is positioned at outlet side.Load conductor 109 extends along depth direction on the side of grounding parts 110 closure casings 102 overleaf.The 111st, be connected to the transformer on the load conductor 109.The 112nd, cablehead.
In addition, in electromagnetic contactor 201 shown in Figure 10, electromagnetic contactor 201 links to each other with cutting portion 203 on being arranged on partition walls 202.Power conductor 204 and load conductor 205 are connected on the cutting portion 203.Power conductor 204 and load conductor 205 extend (for example, patent documentation 2) along depth direction on the side of grounding parts 206 sealing electromagnetic contactor housings overleaf.
Patent documentation 1: Japanese Patent Application Publication No.58-163207
Patent documentation 2: Japanese Patent Application Publication No.58-29307
Summary of the invention
Technical problem to be solved by this invention
In the prior art, exist to increase along the size H of short transverse with along the problem of the size W of depth direction.In addition, since longer along the length of electromagnetic contactor depth direction, so that the parts fitting operation difficult of electromagnetic contactor inside.
The purpose of this invention is to provide a kind of electromagnetic contactor, it is by reducing height dimension and depth dimensions has reduced size.
The means of technical solution problem
In according to the first embodiment of the present invention, a kind of for will be supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and it is arranged to point to the longitudinal direction towards the electromagnetic contactor depth side in electromagnetic contactor; And power conductor, its longitudinal direction with fuse is vertical, and described power conductor is arranged between the described fuse or is arranged to vertical side surface towards described fuse, described power conductor and fuse electrical connection.
In according to a second embodiment of the present invention, a kind of for will be supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse and switch, and they are arranged to point to the longitudinal direction towards the electromagnetic contactor depth side at grade in electromagnetic contactor; And power conductor, its longitudinal direction with fuse is vertical, and described power conductor is arranged between the described fuse or is arranged to vertical side surface towards described fuse, described power conductor and fuse electrical connection.
In a third embodiment in accordance with the invention, a kind of for will be supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and it is arranged to point to the longitudinal direction towards the electromagnetic contactor depth side in electromagnetic contactor; Switch, it is arranged to make longitudinal direction is the direction identical with the longitudinal direction of fuse, and below the described fuse of described switch arrangement so that stacked; And power conductor, its longitudinal direction with fuse is vertical, and described power conductor is disposed between the described fuse or is arranged to vertical side surface towards described fuse, described power conductor and fuse electrical connection.
In a fourth embodiment in accordance with the invention, a kind of for will be supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and its intermediate support plate at electromagnetic contactor is arranged to point to the longitudinal direction towards the electromagnetic contactor depth side; Power conductor, its longitudinal direction with fuse is vertical, and described power conductor is arranged between the described fuse or is arranged to vertical side surface towards described fuse; Switch, this switch is being mounted to the longitudinal direction that points to towards the electromagnetic contactor depth side with the surperficial relative intermediate support plate of arranging described fuse; Be arranged in transformer and current transformer between fuse, switch and the electromagnetic contactor backplate surface; With the primary side charging part of transformer and the charging part of current transformer, they and the fuse and the switch electrical connection that are arranged on the upside of transformer and current transformer.
In according to a fifth embodiment of the invention, a kind of for will be supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and its intermediate support plate at electromagnetic contactor is arranged to point to the longitudinal direction towards the electromagnetic contactor depth side; Power conductor, it is arranged to vertical with the longitudinal direction of fuse, and described power conductor is arranged between the described fuse or is arranged to vertical side surface towards described fuse; Switch, this switch is being mounted to the longitudinal direction that points to towards the electromagnetic contactor depth side with the surperficial relative intermediate support plate of arranging described fuse; Be arranged in transformer and current transformer between fuse, switch and the electromagnetic contactor backplate surface; The primary side charging part of transformer and the charging part of current transformer, they link to each other with switch with fuse on the upside that is arranged in transformer and current transformer; The load side contact head, it is connected on the charging part of current transformer, and is connected on the load conductor lead division; Described load conductor lead division is arranged in the back side grounding parts of the sealing electromagnetic contactor degree of depth and faces between the fuse and current transformer of electromagnetic contactor backplate surface.
Advantage of the present invention
Utilization is according to electromagnetic contactor of the present invention, might reduce the depth dimensions of the combining structure of electromagnetic contactor and power conductor, wherein, electromagnetic contactor is arranged to the vertical side surface in the face of one of fuse that is used for a phase, it is arranged to point to the longitudinal direction towards the depth side of electromagnetic contactor in electromagnetic contactor, with vertical with vertical side surface of one of fuse that is used for a phase.Therefore, might reduce the degree of depth of electromagnetic contactor housing, and help the fitting operation along depth direction.In addition, in the present invention, compare with the situation that the longitudinal direction of switch is arranged along short transverse, be disposed on the direction identical with the longitudinal direction of fuse by the longitudinal direction that makes switch, might reduce the height dimension of electromagnetic contactor.
Therefore, might reduce the depth dimensions of the combining structure of electromagnetic contactor and power conductor, thereby reduce the depth dimensions of housing.In addition, might reduce the height dimension of electromagnetic contactor, reduce the shell dimension of multistage stacked electromagnetic contactor (electromagnetic contactor is stacked on top of each other), and when housing has equal height stacked more electromagnetic contactor.
Preferred implementation
(the first embodiment)
Utilize Figure 1A, B and C and Fig. 2 for example to understand according to embodiments of the invention to Fig. 6.
Figure 1A, 1B, 1C are the longitudinal sectional views according to the electromagnetic contactor of the embodiment of the invention.Fig. 2 is the cutaway view along the intercepting of the hatching A-A among Fig. 1.Fig. 3 is the cutaway view along the intercepting of the hatching B-B among Figure 1A.Fig. 6 is the cutaway view along the intercepting of the hatching C-C among Figure 1A.Fig. 1, Fig. 2 and Fig. 3 have shown the state that will be electrically connected.
To Fig. 3 and shown in Figure 6, electromagnetic contactor 1 will be supplied to load conductor lead division 5 by fuse 3 and switch 4 from the polyphase electric power of power conductor 2 such as Fig. 1.
Electromagnetic contactor 1 is contained in the housing 6.Housing 6 comprises the insertion opening 7 that is positioned at an end and the part that is positioned at the opposite side (it be depth side) relative with inserting opening 7.The described part of housing 6 is by 8 sealings of back side grounding parts, so that housing 6 forms box-shaped.
Electromagnetic contactor 1 comprises electromagnetic contactor backplate surface 9.Electromagnetic contactor backplate surface 9 is provided with roller 10.Electromagnetic contactor 1 is arranged to utilize roller 10 mobile between insertion opening 7 and back side grounding parts 8.
Electromagnetic contactor 1 is provided with intermediate support plate 11, and it is made between fuse 3 and switch 4 and by insulating component.
For example, as shown in Figure 3, intermediate support plate 11 is supported on the electromagnetic contactor backplate surface 9 by a plurality of support columns 12.In addition, as shown in Figure 2, support column 12 is fixed on the electromagnetic contactor backplate surface 9 by screw 13.Dividing plate 14 is fixed on the intermediate support plate 11.In addition, clamping clamp 15A, the 15B that fuse 3 is clipped in the middle is fixed on the back side grounding parts side of the intermediate support plate 11 that inserts on the open side and face with each dividing plate 14.
Three fuses 3 that are used for three-phase in parallel with each other horizontal arrangement to point to the longitudinal direction towards back side grounding parts 8.Each fuse 3 is separated by dividing plate 14.Three fuses 3 that are used for three-phase have identical structure.Therefore, shown a fuse 3 that is used for a phase.
In power supply contact head 22, the quantity of contact chip increases according to current-carrying capacity or reduces in order to suitably regulate current-carrying capacity.Power supply contact head 22 is fixed on relaying conductor 21 and the intermediate support plate 11 by screw 20.
Shown in Figure 1A, utilize roller 10 to move by operating portion 23 being operated to make electromagnetic contactor 1, make power supply contact head 22 with power conductor 2 contacts or separate to realize electrical connection or electric disconnection.
From power flows power supply contact head 22 and the relaying conductor 21 of power conductor 2, flow into fuse circuit (not shown) in the cylinder sections 16 and arrival load side terminal 18 from power supply side terminal 17.Shown in Fig. 1 C, load side terminal 18 is connected on the drawer at movable side conductor 25 of switch 4 by contact head 24.In the present embodiment, switch 4 is vacuum valve.In contact head 24, the quantity of contact chip increases according to current-carrying capacity or reduces in order to suitably regulate current-carrying capacity, and is similar with power supply contact head 22.
As mentioned above, switch 4 along continuous straight runs are arranged to point to the longitudinal direction towards back side grounding parts 8.Switch 4 is arranged in below the fuse 3.Like this, flatly arrange by the longitudinal direction of switch 4, the height of electromagnetic contactor 1 is reduced.Therefore, compare with the situation that the longitudinal direction of switch 4 is arranged vertically, might reduce the size of electromagnetic contactor 1.
The drawer at movable side conductor 25 of switch 4 passes surface plate 28 (extending from middle supporting bracket 11 along downward direction) by insulator 26 and wiping spring (wipe spring) 27, and is connected on the operating means 23.
Electric power from drawer at movable side conductor 25 flows to fixation side conductor 31 by the contact head (not shown) in the switch 4.As shown in Figure 1B, fixation side conductor 31 is fixed in the insulating supporting section 32 by the fastener 33 of for example screw bolt and nut, and described insulating supporting section extends along downward direction from middle supporting bracket 11.
The drawer at movable side conductor is moved so that movable contact point contacts with the fixed contact point (not shown) or separates by driving operating portion 23, so that electric power switches between on-state and off-state.
(1) like this, in the present invention, power conductor 2 is arranged to vertical with vertical side surface of the fuse 3 that is used for each phase, and described fuse is arranged along the longitudinal direction.Therefore, compare with being similar to legacy equipment arranges power conductor 2 along the direction identical with the longitudinal direction of fuse 3 situation, might reduce the depth direction of combination of electromagnetic contactor 1 and power supply 2 and the depth dimensions that reduces housing.In addition, might be conveniently along the fitting operation of the depth direction of electromagnetic contactor 1.
(2) in addition, in the present invention, the longitudinal direction of switch 4 is arranged along the direction identical with the longitudinal direction of fuse 3.Therefore, compare with the situation that the longitudinal direction of switch is arranged along short transverse, might reduce the height dimension of electromagnetic contactor 1.In addition, be arranged in the situation in the same plane so that the longitudinal direction of switch 4 is arranged along the direction identical with the longitudinal direction of fuse 3 the thin electromagnetic contactor 1 that might height of formation reduces at switch 4 and fuse 11.
By above-mentioned (1), (2), might reduce the depth dimensions of the combination of electromagnetic contactor 1 and power conductor 2, reduce simultaneously height dimension, thereby reduce the size of electromagnetic contactor 1.In addition, might reduce the shell dimension of multistage stacked electromagnetic contactor (electromagnetic contactor 1 is stacked on the electromagnetic contactor), perhaps stacked more electromagnetic contactor when housing has equal height.In addition, the center of gravity of multistage stacked electromagnetic contactor by the height dimension that reduces electromagnetic contactor step-down.The stability that like this, might strengthen the antidetonation protection and improve the installation place by lowering the center of gravity.It is own that this also can be applied to an electromagnetic contactor 1.
(3) in addition, it is following so that stacked that switch 4 is arranged in fuse 3.Like this, might reduce the erection space of electromagnetic contactor 1.In addition, so that the situation that longitudinal direction is vertically arranged is compared, center of gravity is step-down by the height that reduces electromagnetic contactor 1 below switch 4 is arranged in fuse 3.Therefore, might strengthen the stability of antidetonation protection and raising installation place.
(the second embodiment)
Fig. 4 is the view along transformer 41 shown in Figure 1A of the observation of direction shown in the arrow P.Fig. 5 is the view along current transformer 42 shown in Figure 1B of the direction observation of arrow Q.
Shown in Figure 1A, fuse 3 and switch 4 are installed on the upper surface and lower surface of intermediate support plate 11 of electromagnetic contactor 1, so that the longitudinal direction of the longitudinal direction of fuse, switch and electromagnetic contactor backplate surface 9 are parallel to each other.Transformer 41 and current transformer 42 are arranged between fuse 3 and switch 4 and the electromagnetic contactor backplate surface 9.Transformer 41 and current transformer 42 are fixed to electromagnetic contactor backplate surface 9 by screw 43.
As shown in Figure 4, in transformer 41, two insulating cylinders 45 stretch out and pass intermediate support plate 11 from main body (conductor wound core 44).Two insulating cylinders 45 extend to the position of the load side terminal 18 of close fuse 3.Two primary side lead-out wire 46A, 46B of wound core 44 pass insulating cylinder 45 by protection fuse 47 respectively.As shown in Figure 2, primary side lead-out wire 46A, 46B link to each other with second-phase load side terminal 48B with first-phase load side terminal 48A.These primary side lead-out wires 46A, 46B consist of primary side charging part 46.
Primary side charging part 46 is drawn at the upside of transformer 41.Line voltage between the fuse 3 is measured by the load side U-shaped terminal 49 among Fig. 1 C and load side V-arrangement terminal 50.
As shown in Figure 5, current transformer 42 comprises primary side lead-out wire 52A and the primary side lead-out wire 52B of wound core 51.Primary side lead-out wire 52A and primary side lead-out wire 52B draw in switch 4 sides that are positioned at the current transformer upside.
Shown in Figure 1A, primary side lead-out wire 52A is connected on the fixation side conductor 31 of switch 4.Primary side lead-out wire 52A is arranged between switch 4 and the insulating supporting section 32, and is fastening by the fastener 33 of for example screw bolt and nut, and is fixed between switch 4 and the insulating supporting section 32.
Primary side lead-out wire 52B and load side contact head 53 are fixing by the fastener 54 of for example screw bolt and nut.
As shown in Figure 3, load side contact head 53 forms plate shape.Load side contact head 53 is arranged so that the main surface of front and rear surfaces becomes upper and lower surface.Load side contact head 53 is connected on the load conductor lead division 5.Load conductor lead division 5 forms plate shape.Load conductor lead division 5 is arranged so that the main surface of front and rear surfaces is surperficial about being.
As shown in Figure 6, on the load conductor support portion 57 that load conductor lead division 5 is fixed in the insulating lid 56.In load side contact head 53, the quantity of contact chip increases according to current-carrying capacity or reduces in order to suitably regulate current-carrying capacity, and is similar with power supply contact head 22 and contact head 24.
As shown in Figure 5, primary side lead-out wire 52A, primary side lead-out wire 52B and fastener 33 are charging part 52, are connected on switch 4 sides that are positioned at current transformer 42 upsides.
As mentioned above, the primary side charging part 46 of transformer 41 and the charging part 52 of current transformer 42 are drawn in fuse 3 sides that are positioned at transformer 41 and current transformer 42 upsides and switch 4 sides, and are connected on fuse 3 and the switch 4.The link position of primary side charging part 46 is higher than the link position of charging part 52.The situation that is in same position with link position is compared, and insulation distance is elongated.Like this, might simplify insulating component for the charging part of long insulation distance.Transformer 41 might be arranged near the current transformer 2, and reduce the size of charging part.Like this, might reduce height and the depth direction of electromagnetic contactor 1.In addition, in the 3rd embodiment, charging part 52 is arranged in the position of the iron core 44 that is higher than transformer 41, and it is positioned at the top of the iron core 44 of transformer 41 obliquely.Like this, be arranged in the height and position place identical with unshakable in one's determination 44 with the charging part 52 of transformer 41 and compare, might guarantee enough insulation distances, particularly, might reduce the depth direction of electromagnetic contactor 1.Therefore, load side conductor lead division 5 can be arranged between the downside and current transformer 42 of fuse 3.Therefore, might reduce the size of electromagnetic contactor 1.
As shown in Figure 3, load side conductor lead division 5 can be selected two kinds of outbound courses, and cable A draws to back side grounding parts 8, and perhaps cable B draws along left and right directions.Like this, outgoing cable A or outgoing cable B can draw to the back side or along left and right directions.Therefore, might according to circumstances select outbound course and easily carry out cable leading and go out operation.
Next, explain the load side conductor lead division 5 shown in Figure 1A and insulating lid 56.Insulating lid 56 is arranged in the electromagnetic contactor to face back side grounding parts 8, fuse 3 and load conductor lead division 5.Insulating lid 56 is made by the insulating component of for example dielectric resin material.
As shown in Figure 6, insulating lid 56 covers and around the end that is positioned at the fuse on the grounding parts side of the back side.Insulating lid 56 comprises fuse chamber 61, and each fuse chamber is formed in the insulating lid 56, and each fuse chamber receives the end of fuse.By separating the part between side, fuse chamber and the side, fuse chamber and between side, fuse chamber and electromagnetic contactor backplate surface, form power conductor chamber 63 with insulating barrier 62.Power conductor passes passage 64 and is formed in one of power conductor chamber 63 with vertical with the longitudinal direction of fuse 3.Power conductor 2 vertically passes power conductor and passes passage 64.
Be formed with the load conductor below one of fuse chamber 61 between the side surface of power conductor chamber 63 adjacent one another are by insulating barrier 62 and draw chamber 65.Draw the opposed face of chamber 65 opens in the face of the load conductor of back side grounding parts 8.The end face of drawing chamber 65 at the load conductor is provided with load conductor support portion 57.Load conductor support portion 57 support load conductor lead divisions 5.
(the 3rd embodiment)
Shown in Fig. 7 and 8, the longitudinal direction of fuse 3 and switch 4 is vertically arranged.Power conductor 2 is arranged in order to face vertical side surface of fuse along the direction identical with the longitudinal direction of fuse.Like this, be arranged on the backplate surface with fuse 3 and switch 4 so that longitudinal direction is the situation of level compares, might significantly reduce the erection space of electromagnetic contactor 1.Other structures are identical substantially with the first and second embodiment.The repetitive description thereof will be omitted at this.
Description of drawings
Figure 1A is the side sectional view according to the schematic structure of the electromagnetic contactor of the embodiment of the invention.
Figure 1B is the amplification view of the left side of Figure 1A.
Fig. 1 C is the amplification view of the right side of Figure 1A.
Fig. 2 is the cutaway view along the intercepting of the hatching A-A among Figure 1A.
Fig. 3 is the cutaway view along the intercepting of the hatching B-B among Figure 1A.
Fig. 4 is the front schematic view of Fig. 1-Fig. 3 house transformer.
Fig. 5 is the front schematic view of the used current transformer of Fig. 1-Fig. 3.
Fig. 6 is the cutaway view along the intercepting of the hatching C-C among Figure 1A.
Fig. 7 is the longitudinal sectional view according to the electromagnetic contactor of the 3rd embodiment.
Fig. 8 is the schematic side elevation according to the electromagnetic contactor of the 3rd embodiment.
Fig. 9 is the schematic diagram of conventional example.
Figure 10 is the schematic diagram of another conventional example.
Symbol description
1 electromagnetic contactor,
2 power conductors,
3 fuses,
4 switches,
5 load side conductor lead divisions,
6 housings,
7 patchholes,
8 back side grounding parts,
9 electromagnetic contactor backplate surfaces,
10 rollers,
11 intermediate support plates,
12 support columns,
13 screws,
14 dividing plates,
15A, 15B clamping clamp,
The tubular body of 16 fuses,
17 power supply side terminals,
18 load side terminals,
19 fasteners,
21 relaying conductors,
22 power supply contact heads,
23 operating portions,
24 contact heads,
25 drawer at movable side conductors,
26 insulators,
27 wiping springs,
31 fixation side conductors,
32 insulating supporting sections,
33 fasteners,
41 transformers,
42 current transformers,
44 iron cores,
45 insulating cylinders,
46 primary side charging part,
46A primary side lead-out wire,
46B primary side lead-out wire,
47 protection fuses,
52 charging part,
52A primary side lead-out wire,
52B primary side lead-out wire,
53 load side contact heads,
56 insulating lids,
57 load conductor support portions,
Fuse chambers 61,
62 insulating barriers,
64 power conductors pass passage,
65 load conductors are drawn the chamber,
66 entrances,
67 are communicated with entrance,
51 iron cores
Claims (5)
1. one kind is used for being supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse is arranged to point to the longitudinal direction towards described electromagnetic contactor depth side in electromagnetic contactor; And power conductor, this power conductor is vertical with the longitudinal direction of described fuse, and described power conductor is arranged between the described fuse or described power conductor is arranged to vertical side surface towards described fuse, described power conductor and the electrical connection of described fuse.
2. one kind is used for being supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse and switch, described fuse and switch are arranged to point to the longitudinal direction towards described electromagnetic contactor depth side at grade in described electromagnetic contactor; And power conductor, this power conductor is vertical with the longitudinal direction of described fuse, and described power conductor is arranged between the described fuse or described power conductor is arranged to vertical side surface towards described fuse, described power conductor and the electrical connection of described fuse.
3. one kind is used for being supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, this fuse are arranged to point to the longitudinal direction towards described electromagnetic contactor depth side in electromagnetic contactor; It is the direction identical with the longitudinal direction of described fuse that switch, described switch are arranged to make longitudinal direction, and described switch arrangement below described fuse so that stacked; And power conductor, this power conductor is vertical with the longitudinal direction of described fuse, and described power conductor is disposed between the described fuse or described power conductor is arranged to vertical side surface towards described fuse, described power conductor and the electrical connection of described fuse.
4. one kind is used for being supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and this fuse is arranged to point to longitudinal direction towards described electromagnetic contactor depth side at the intermediate support plate of described electromagnetic contactor; Power conductor, this power conductor is vertical with the longitudinal direction of described fuse, and described power conductor is arranged between the described fuse or described power conductor is arranged to vertical side surface towards described fuse; Switch, described switch is being mounted to the longitudinal direction that points to towards described electromagnetic contactor depth side with the surperficial relative described intermediate support plate of arranging described fuse; Be arranged in transformer and current transformer between described fuse and switch and the electromagnetic contactor backplate surface; With the primary side charging part of transformer and the charging part of current transformer, the primary side charging part of described transformer and the charging part of current transformer and the described fuse and the switch electrical connection that are arranged on the upside of described transformer and current transformer.
5. one kind is used for being supplied to from the polyphase electric power of power conductor the electromagnetic contactor of load conductor by fuse and switch, described electromagnetic contactor comprises: fuse, and this fuse is arranged to point to longitudinal direction towards described electromagnetic contactor depth side at the intermediate support plate of described electromagnetic contactor; Power conductor, this power conductor is vertical with the longitudinal direction of described fuse, and described power conductor is arranged between the described fuse or described power conductor is arranged to vertical side surface towards described fuse; Switch, described switch is being mounted to the longitudinal direction that points to towards described electromagnetic contactor depth side with the surperficial relative described intermediate support plate of arranging described fuse; Be arranged in transformer and current transformer between described fuse and switch and the electromagnetic contactor backplate surface; The primary side charging part of transformer and the charging part of current transformer, the primary side charging part of described transformer and the charging part of current transformer and the described fuse and the switch electrical connection that are arranged on the upside of described transformer and current transformer; The load side contact head is connected on the charging part of described current transformer, and is connected on the load conductor lead division; Described load conductor lead division is arranged in the back side grounding parts of the degree of depth of sealing described electromagnetic contactor and faces between the described fuse and current transformer of described electromagnetic contactor backplate surface.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-287930 | 2007-11-05 | ||
| JP2007287930A JP5072024B2 (en) | 2007-11-05 | 2007-11-05 | Magnetic contactor |
| PCT/JP2008/069204 WO2009060724A1 (en) | 2007-11-05 | 2008-10-23 | Electromagnetic contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101842950A CN101842950A (en) | 2010-09-22 |
| CN101842950B true CN101842950B (en) | 2013-01-16 |
Family
ID=40625623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880113678.3A Expired - Fee Related CN101842950B (en) | 2007-11-05 | 2008-10-23 | Electromagnetic contactor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5072024B2 (en) |
| CN (1) | CN101842950B (en) |
| WO (1) | WO2009060724A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6910412B2 (en) * | 2019-11-07 | 2021-07-28 | 三菱電機株式会社 | Power converter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293140Y (en) * | 1996-12-17 | 1998-09-30 | 杨顺杰 | Indoor box type transformer substation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4928589Y1 (en) * | 1968-08-16 | 1974-08-03 | ||
| JP2555705Y2 (en) * | 1991-07-04 | 1997-11-26 | 株式会社明電舎 | Cubicle and drawer type electric equipment |
| JPH1080018A (en) * | 1996-09-04 | 1998-03-24 | Hitachi Ltd | Drawer type high-voltage switchgear |
| JP3744688B2 (en) * | 1998-05-22 | 2006-02-15 | 三菱電機株式会社 | Unit trolley |
-
2007
- 2007-11-05 JP JP2007287930A patent/JP5072024B2/en active Active
-
2008
- 2008-10-23 WO PCT/JP2008/069204 patent/WO2009060724A1/en active Application Filing
- 2008-10-23 CN CN200880113678.3A patent/CN101842950B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293140Y (en) * | 1996-12-17 | 1998-09-30 | 杨顺杰 | Indoor box type transformer substation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009060724A1 (en) | 2009-05-14 |
| CN101842950A (en) | 2010-09-22 |
| JP5072024B2 (en) | 2012-11-14 |
| JP2009118616A (en) | 2009-05-28 |
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