CN110416032A - Quick-connection terminal unit and circuit-breaker - Google Patents
Quick-connection terminal unit and circuit-breaker Download PDFInfo
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- CN110416032A CN110416032A CN201910323568.XA CN201910323568A CN110416032A CN 110416032 A CN110416032 A CN 110416032A CN 201910323568 A CN201910323568 A CN 201910323568A CN 110416032 A CN110416032 A CN 110416032A
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- quick
- connection terminal
- connection
- circuit
- terminal unit
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- 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
- H01H71/08—Terminals; Connections
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Abstract
It is an object of the invention to obtain not needing troublesome wiring operation, without the circuit-breaker of the worry of abnormal operation etc..Quick-connection terminal unit (3) is detachably formed in the end of the load-side of the main part (2) of circuit-breaker (1), face terminals (31) as circuit-breaker (1) use, 2 Quick-connection terminals of the voltage in 3 Quick-connection terminals are configured to when being loaded into main part (2), terminal component (32) is electrically connected with the electrode of main part (2), remaining earthy Quick-connection terminal is configured to for terminal component (32) being electrically connected with from Quick-connection terminal unit (3) conducting wire to derived from outside.
Description
Technical field
The present invention relates to the installation of electric wire, disassemblies to be easy, relative to circuit breakers such as Inturruptor for sub-line, leakage circuit breakers
The assemble and unassemble Quick-connection terminal unit of device and the circuit-breaker for being incorporated with the Quick-connection terminal unit.
Background technique
About the load equipment installed in opening and closing device, in order to which safety mostly uses greatly grounding connection.On the other hand, load is set
Standby ground line is tied together with other lines mostly and is coated, and only stretches ground line to the place far from opening and closing device
And it is troublesome for connecting.Therefore, it is proposed to following structures, that is, be arranged in circuit-breaker itself and be attached setting wiring
Terminal, the structure (patent document 1) being grounded via the installation metalwork for circuit-breaker to be fixed, using from
The contact of circuit-breaker back side protrusion and the structure (patent document 2) etc. that is grounded.
Patent document 1: Japanese Unexamined Patent Publication 11-89018 bulletin (0022~0025 section, Fig. 5)
Patent document 2: Japanese Unexamined Patent Publication 2016-127791 bulletin (0046~0047 section, Fig. 5)
On the other hand, it " is grounded and connects in the interior lines regulation 1050-13 of general juridical person's Japan Electric association publication
Following situations are highlighted in the shared limitation in earth polar ", that is, " in the circuit protected by leakage circuit breakers and not protected
The ground line and earthing pole of the equipment of circuit setting etc. do not share.But use the earthing pole of the resistance value less than or equal to 2 Ω
The case where be not exposed to restriction.".It needs using the resistance value for being greater than 2 Ω by leakage circuit breakers and wiring as a result,
It is set as other systems with the ground connection of breaker (hereinafter, referred to as insulating ground).
But in said structure, ground connection target is limited to the nearby part of circuit-breaker, nonoptional leeway.
Therefore, in the case where using Inturruptor for sub-line and leakage circuit breakers in disk, Inturruptor for sub-line cannot be distinguished and electric leakage is disconnected
The earthed system of road device, abnormal operation caused by worrying thus etc..
Summary of the invention
The present invention proposes that its object is to obtain for that will not need fiber crops in order to solve above-mentioned such project
Tired wiring operation, without the worry of abnormal operation etc. the Quick-connection terminal unit realized of circuit-breaker and be mounted with
The circuit-breaker of the Quick-connection terminal unit.
Quick-connection terminal unit of the invention, is detachably formed in the load-side of the main body of circuit-breaker
End, the face terminals as the circuit-breaker use, which is characterized in that, fast with 3
Fast connection terminal, 3 Quick-connection terminals are respectively provided with: insertion hole is open so that from the circuit-breaker
Operation surface side electric wire is inserted into；Electric wire holding mechanism passes through the combination of elastomeric element and chain shot, carries out from the insertion hole
The grasping of the electric wire of insertion and comprising being acted with the holding that is electrically connected of internal electrode；And releasing mechanism, have with can
The operation portion that the mode of mechanical operation configures is carried out from the operation surface side, makes the chain shot and the mechanical operation
It links and releases the holding movement, 2 Quick-connection terminals in 3 Quick-connection terminals are configured to, and are loading
When the main body, the internal electrode is electrically connected with the electrode of the main body, remaining Quick-connection terminal is configured to, will
The internal electrode is electrically connected with from the Quick-connection terminal unit to conducting wire derived from outside.
The effect of invention
Quick-connection terminal unit according to the present invention is only inserted into Quick-connection by the wiring of self-supported equipment in the future
Terminal, it will be able to realize the ground connection wiring to desired system, therefore not need troublesome wiring operation, it will be able to not had
The circuit-breaker of the worry of abnormal operation etc..
Detailed description of the invention
Fig. 1 is the circuit-breaker for indicating to be mounted with Quick-connection terminal unit involved in embodiments of the present invention 1
Appearance oblique view.
Fig. 2 is to indicate Quick-connection terminal unit involved in embodiments of the present invention 1 and as the Quick-connection end
The oblique view of the appearance of the circuit-breaker main body of the loading object of subelement.
Fig. 3 is to be mounted with bowing for the circuit-breaker of Quick-connection terminal unit involved in embodiments of the present invention 1
View.
Fig. 4 is the office for being mounted with the circuit-breaker of Quick-connection terminal unit involved in embodiments of the present invention 1
Portion's cross sectional side view.
Fig. 5 is the cross-sectional view of Quick-connection terminal unit involved in embodiments of the present invention 1.
Fig. 6 is the multiple frame parts for indicating to constitute Quick-connection terminal unit involved in embodiments of the present invention 1
The oblique view of respective appearance.
Fig. 7 be indicate to constitute Quick-connection terminal unit involved in embodiments of the present invention 1 terminal component it is outer
The oblique view of sight.
Fig. 8 be indicate to constitute Quick-connection terminal unit involved in embodiments of the present invention 1 elastomeric element it is outer
The oblique view of sight.
Fig. 9 is the Show Button component for indicating to constitute Quick-connection terminal unit involved in embodiments of the present invention 1
Appearance oblique view.
Figure 10 is the appearance for indicating to constitute the chain shot of Quick-connection terminal unit involved in embodiments of the present invention 1
Oblique view.
Figure 11 is to indicate disconnected as the circuit for being mounted with Quick-connection terminal unit involved in embodiments of the present invention 1
The application examples of road device, the oblique view of appearance when Inturruptor for sub-line and leakage circuit breakers are set side by side.
The explanation of label
1: circuit-breaker, 1s: space, 2: main part (main body), 3: Quick-connection terminal unit,
3a: insertion hole,
24: secure component (electrode of main part), 31: face terminals (Quick-connection terminal), 31e: load-side ground terminal
Sub (remaining Quick-connection terminal), 31p: load side voltage terminal (2 Quick-connection terminals), 32: terminal component (internal electricity
Pole), 32a: electric wire joint face 32a, 33: elastomeric element, 34: connection the Show Button (releasing mechanism), 34f: display surface (operates
Portion), 36: chain shot, 39: earthy lead (conducting wire), B1, B2, B3: module.
Specific embodiment
Embodiment 1.
Fig. 1~Figure 10 is for Quick-connection terminal unit involved in embodiments of the present invention 1 or being mounted with
The figure that the structure of the circuit-breaker of Quick-connection terminal unit is illustrated, Fig. 1 are to indicate to be mounted with Quick-connection terminal list
The circuit-breaker of member is connected to the oblique view of the state for the ground connection target that can be selected, and Fig. 2 is to indicate Quick-connection terminal list
The oblique view of the appearance of member and the circuit-breaker main body of the loading object as Quick-connection terminal unit, Fig. 3 is from operation
Surface side observation is mounted with the top view when circuit-breaker of Quick-connection terminal unit, and Fig. 4 is to indicate to be mounted with Quick-connection
The side view of the circuit-breaker of terminal unit is at the line A-A that Quick-connection terminal unit therein part is passed through Fig. 3
The partial cut away side views that indicate of cut section, Fig. 5 indicates for electric wire to be inserted into the state of Quick-connection terminal unit, is and figure
The corresponding cross-sectional view of 3 line A-A.
In addition, Fig. 6~Figure 10 is for saying to the respective structure of main component for constituting Quick-connection terminal unit
Bright figure, Fig. 6 are the oblique view for indicating the respective appearance of multiple frame parts of the framework as Quick-connection terminal unit, figure
7 be the oblique view for indicating the appearance for the terminal component being electrically connected for the electric wire with insertion, and Fig. 8 is the electricity indicated for insertion
The oblique view of the appearance of the elastomeric element of line force, Fig. 9 is to indicate to show the insert state of electric wire, and also double as use
In the oblique view of the appearance of the Show Button component for the operation portion (button) for carrying out insertion releasing, Figure 10 is indicated for electric wire
The oblique view of the appearance for the chain shot that insert state is kept.In addition, being set as same label in the figure indicates same or equivalent portion
Point.
Circuit-breaker 1 involved in present embodiment 1 is as shown in Figure 1, be envisioned for being provided with the main part 2 of box-like
The setting face of the back side of the operating surface 1fo of handle 23 is configured relative to the vertical plane in distribution board (not shown).In addition,
Under actual setting situation, the terminal (power supply terminal 21) of source side and the terminal (face terminals 31) of load-side are linked
Direction, i.e. length direction become vertical direction, in the present specification, length direction are known as longitudinal.In addition, by operating surface 1fo
On be known as width direction with longitudinally perpendicular direction, by the direction (up and down direction in Fig. 1) vertical with operating surface 1fo be known as
Thickness direction.In addition, in general, circuit-breaker by source side be set as upside, therefore by the right side in width direction be known as " right side ",
A left side is known as " left side ".
Moreover, the power supply terminal 21 for connecting with source side arranges in thickness direction and is configured at longitudinal one end,
Face terminals 31 for connecting with load-side are configured at the other end.In the present embodiment, power supply terminal 21 is as opposite
It is arranged as 3 sections of metallic rod in through-thickness, the type for being embedded in it in longitudinal sliding motion is recorded, but is not limited
In this.On the other hand, face terminals 31 are that electric wire is only inserted into the Quick-connection terminal that can be connected, as shown in Fig. 2, being formed
In the Quick-connection terminal unit 3 that can be freely loaded and unloaded relative to main part 2.
Face terminals 31 by the 2 load side voltage terminal 31p arranged in width direction module B1, B2 and be set as
It is located at the module of setting surface side, the load-side ground terminal 31e stretched out to longitudinal outside compared with load side voltage terminal 31p
B3 is constituted.Load side voltage terminal 31p is electrically connected via portion of terminal 32b with the circuit in main part 2.On the other hand, load-side
Ground terminal 31e (conductor for constituting its terminal inner described below), with the module stretched out from load side voltage terminal 31p
The earthy lead 39 that the side 3fs of the part B3 is drawn is electrically connected.
When circuit-breaker 1 is set to disk, earthy lead 39 is connect with the ground terminal 90 for being set to disk, by
This load-side ground terminal 31e becomes the state of ground connection.Therefore, only by the way that the ground line of load-side to be inserted into and load-side electricity
The sub- 31p of pressure side close load-side ground terminal 31e, it will be able to be easy to carry out the ground connection wiring of load equipment.Also, it is grounded
There is flexibility with lead 39, therefore can be selected desired in disk there are in the case where the ground terminal of different systems 91,92
The ground terminal of system and be grounded.
Next, be illustrated to the detailed content of Quick-connection terminal unit 3, but about with Quick-connection terminal unit
Structure (for example, in switching mechanism, tripping mechanism etc. built in main part 2) other than 3 relevant parts, it is disconnected with common circuit
Road device is identical, omits the explanation about the part.In addition, as circuit-breaker 1, can be referred to as to overcurrent, leak electricity into
Breaker, the leakage circuit breakers of row detection and open circuit, but the shutter that can also be referred to as opened and closed.
Main part 2 is as shown in figure 3, by if middle pedestal 28a, the left 28b of cover and the right 28c of cover are in this way, by width direction (figure
Middle up and down direction) segmentation insulating resin formed frame part constitute, be accommodated with open-close mechanism section (not shown) in inside.With
The handle 23 of open-close mechanism section linkage is protruded from framework part, becomes the construction operated from outside by hand.Moreover, such as
Shown in Fig. 2, it is electrically connected for realizing the mechanical fixation of Quick-connection terminal unit 3 and with load side voltage terminal 31p
Secure component 24 be arranged in the end of load-side.As secure component 24, with the terminal of common wiring likewise it is possible to
It is the construction for fastening terminal board by terminal screw.In addition, secure component 24 is arranged in width direction, but in order to avoid
The interference for the contact signal output lead 25 drawn with the right side of the end from load-side, with the secure component 24 on right side and a left side
The secure component 24 of side compares the mode being located at the close position operating surface 1fo, is formed as step-like.
Quick-connection terminal unit 3 as shown in Figures 4 and 5, is grounded in 2 load side voltage terminal 31p and 1 load-side
Terminal 31e, respective module B1~B3 mechanism having the same are configured to make 3 module B1~module B3 set.By this 3
The framework that mechanism section is distinguished and accommodated passes through pedestal 38a, the left 38b of unit enclosure and unit in such as unit as shown in Figure 3 and Figure 6
Right 38c is covered in this way, being made of 3 frame parts that the insulating resin divided in width direction is formed.
In each module B1~B3, the insertion hole 3a for being inserted into electric wire 80 is respectively used to relative to operating surface 1fo to longitudinal direction
It tilts and is open.Moreover, having terminal component 32 (Fig. 7) to contact with the electric wire 80 of insertion, which has
It is inserted into the electric wire joint face 32a of the inboard configuration of hole 3a.But terminal component 32 shown in Fig. 7 is used for the load-side of module B1
The mechanism of voltage terminal 31p.The load side voltage terminal 31p of module B2 mechanism in use, using with secure component 24
The position of step matchingly portion of terminal 32b is located at the structure of the upside on thickness direction.In addition, the load-side of module B3 is grounded
For terminal 31e due to not connecting with main part, portion of terminal 32b needs not to be diagrammatically shown U-shaped, and variety of components is reduced,
Therefore structure identical with the mechanism of load side voltage terminal 31p for module B2 has been used.
Moreover, in order to show the electrical connection between the electric wire 80 of insertion and terminal component 32 and holding and the guarantor of electric wire 80
State is held, 3 following components are also charged with.First, elastomeric element 33 (Fig. 8), by crimp spring portion 33b and case spring
Portion 33a has carried out integration, and it is opposite that crimp spring portion 33b connects with electric wire face 32a, presses piezoelectric wire to terminal component 32, should
It is opposite that case spring portion 33a connects with electric wire face 32a in the same manner as crimp spring portion 33b, carries out being limited so that electric wire 80 not
It is extracted to direction is removed.Second, it connects the Show Button 34 (Fig. 9), by resin forming, has and the connection status of electric wire 80 exists
Display surface 34f that upper and lower position relative to show hole 3h is shown, the pressure for being pressed case spring portion 33a
Enter portion 34a and chain shot holding section 34b.Third, chain shot 36 (Figure 10) have the electric wire receiving portion for the electric wire 80 for receiving insertion
36a；And engage when electric wire 80 is not inserted into chain shot holding section 34b, the bullet released is engaged when electric wire 80 is inserted into
Key portion 36b.
Connection the Show Button 34 is as shown in figure 5, can be slidingly received into show hole 3h, and pass through connection display spring
35 upward directions are exerted a force.Chain shot 36 by the pin 38p of frame part as shown in fig. 6, be embedded in, likewise by by frame part
The chain shot spring 37 for selling 38q insertion is exerted a force to the direction for connecting the engaging of the Show Button 34.
The portion of terminal 32b of terminal component 32 used in the mechanism in load-side ground terminal 31e in 3 mechanisms is as schemed
Shown in 5, one end is electrically connected with terminal 3t, and terminal 3t is for the earthy lead 39 exposed from side 3fs to be attached.
Next, referring to figure 5 and figure 6, to the Quick-connection terminal in circuit-breaker 1 involved in present embodiment 1
The movement of unit 3 is illustrated.
If the electric wire 80 for peelling off clad is inserted into from insertion hole 3a, electric wire 80 carries out insertion until with base in unit
Until the electric wire retainer 38s of seat 38a is abutted.At this point, the front end portion of case spring portion 33a bites electric wire 80, thus make
Electric wire 80 is obtained not extract to the direction removed.In addition, electric wire 80 passes through the spring force of crimp spring portion 33b, to positioned at opposite position
The electric wire joint face 32a for the terminal component 32 set is pressed.
When electric wire 80 is crimped spring portion 33b pressing, the electric wire receiving portion 36a of chain shot 36 is pressed by front end 80t
Enter, chain shot 36 is rotated clockwise centered on latch shaft (pin 38p) into figure, is engaged with the chain shot for connecting the Show Button 34
The engaging of portion 34b is released from.As a result, connection the Show Button 34 is moved to unit by the pretightning force of connection display spring 35
Until the connection of middle pedestal 38a shows retainer 38d.Thus, it is possible to become wiring state to electric wire 80 to show.
Under wiring state, when the indentation of the Show Button 34 will be connected by tool etc., if connection the Show Button 34
Case spring portion 33a is pressed by case spring press-in portion 34a, and the case spring portion front end portion 33a is separated from electric wire 80, then can
Electric wire 80 is extracted and is removed.When electric wire 80 is removed, since the indentation of electric wire 80 disappears, the electric wire of chain shot 36 receives
Portion 36a is restored by the pretightning force of chain shot spring 37 to original position.Therefore, if by connection the Show Button 34 pressure
Enter removal, then the chain shot holding section 34b for connecting the Show Button 34 engages with chain shot 36, the shape before being back to original electric wire connection
State.
That is, by the combination of chain shot 36 and elastomeric element 33, grasping for carrying out electric wire 80 is constituted and to terminal component
The holding mechanism of 32 electrical connection, mainly connection the Show Button 34 composition are mobile by chain shot 36 by mechanical operation, into
The releasing mechanism for the releasing that row is kept.Moreover, as noted above, 3 module B1~B3 respectively in, in the electric wire for insertion
On the basis of configuration space of mechanism part of 80 holding and release operation etc., it is also necessary to the sky for electric wire 80 to be inserted into
Between.Moreover, the circuit-breaker 1 configured in disk, it is contemplated that be close to configure by multiple circuit-breakers in width direction, substantially
It can not access from side.Therefore, the volume of bottom line is respectively needed, and in the face parallel with operating surface 1fo,
Need nonoverlapping certain area.
As noted above, in 3 module B1~B3, respectively in the holding of the electric wire 80 for insertion and release operation
On the basis of configuration space of mechanism part etc., it is also necessary to the space for electric wire 80 to be inserted into.Moreover, the electricity configured in disk
Circuit breaker 1, it is contemplated that be close to configure by multiple circuit-breakers in width direction, can not substantially access from side.
Therefore, the volume of bottom line is respectively needed, and in the face parallel with operating surface 1fo, needs nonoverlapping certain face
Product.
Herein, load side voltage terminal 31p wrong wire distribution etc. in order to prevent, needs in the same manner as other circuit-breakers,
It is arranged in width direction.On the other hand, it configures in multiple circuit-breakers, does not allow for side by side in disk in imagination
A large amount of breaker can be installed and increase width.Therefore, it is desirable to the simplification of wiring construction and the load-side ground terminal that is arranged
Sub- 31e can not be arranged in width direction and load side voltage terminal 31p and configure, be needed from load side voltage terminal 31p to indulging
It is arranged to stretching.
Therefore, each module B1~B3 is set to in thickness direction and longitudinally long substantially box-like, so that and operating surface
The face of the upper half in 1fo parallel face and longitudinal end can be used in accessing and show.Moreover, in the portion close with main part 2
The divide, side front (operating surface 1fo) display surface 34f exposes, in the middle section of the thickness direction in the face from main part 2 far from side
Make to be inserted into hole 3a opening.Based on condition as described above, by it is in 3 module B1~B3,2 (load side voltage terminal 31p)
Module B1, B2 is arranged in operating surface 1fo lateral edge width direction.Moreover, being configured to remaining 1 (load-side ground terminal
31e) module B3 is connected with one (module B1) of 2 modules lower half portion.
At this point, the space of the lower part on the thickness direction of maintenance module B1, B2, and relative to module B1, in thickness direction
Step is set and module B3 is configured.It is inserted into the electric wire 80 of load side voltage terminal 31p as a result, can be avoided and electricity
Insertion from line 80 to load-side ground terminal 31e and connect the Show Button 34 operation in moving-wire interfere.
That is, 2 (load side voltage terminal 31p) being configured to be formed in each module B1~B3 of box-like are in operating surface
The side 1fo is arranged in width direction, and by one lower half of remaining 1 (load-side ground terminal 31e) and 2 modules
Split-phase connects.As a result, as shown in Figure 4, Figure 5, Quick-connection terminal unit 3 and main part 2 are formed as the arch shape across space 1s.
Also, load-side ground terminal 31e is as shown in figure 3, be set as in longitudinal direction and side's straight line in 2 load side voltage terminal 31p
It arranges to shape, the space of the longitudinally outboard of another party becomes freely.The contact signal output drawn as a result, from main part 2 is with drawing
Line 25 will not counteract the module B3 for constituting load-side ground terminal 31e, it will be able to guidance to the other equipment in disk.
Herein, the terminal 3t earthy lead 39 be connected with load-side ground terminal 31e drawn, is not limited to
As in this embodiment the case where the side 3fs setting of Quick-connection terminal unit 3 is drawn.For example, will be by arch
The inner surface 3fp that the space 1s that construction generates is surrounded is also same in the case where being provided with terminal 3t.Alternatively, if in end face
3fe is configured terminal 3t, then without any obstacle, it will be able to draw earthy lead 39.
When circuit-breaker 1 is installed on disk, if by the ground terminal 90 of earthy lead 39 and desired system
The ground line of load-side device, then only connect, to the ground terminal 90 being arranged in disk by ground connection with load-side ground terminal 31e
Connection will be completed.It in addition, earthy lead 39 has flexibility, therefore is multiple situations in the ground terminal 90 for being set to disk
Under, it is free to select its connection.For example, earthy lead 39 is selectively to the ground terminal for being set to disk in Fig. 1
91 or 92 any one connection.
In addition, by being set as arcuate configuration, to load side exhaust outlet 22 not blocked, it will be able to by mounting plate sharing
(the position change for not needing mounting jaw), the access to mounting jaw is become easy.So that not becoming to the position of mounting jaw
More, it will be able to set freely the lengthwise position of face terminals 31, therefore design freedom improves.For example, by that will load
The position of terminal 31 further extends to load direction, so as to ensure the space of 2 side of main part, therefore may also have super
Current limiting unit, 2 points of cuttings etc. need the construction in space.
< application examples >
Figure 11 is the circuit indicated as Quick-connection terminal unit 3 involved in embodiments of the present invention 1 is mounted with
The application examples of breaker, the oblique view of appearance when Inturruptor for sub-line and leakage circuit breakers are set side by side.In the figure by 3
Platform leakage circuit breakers 1V and 1 Inturruptor for sub-line 1F are close to configuration.Moreover, being set as drawing from leakage circuit breakers 1V earthy
Lead 39 is connect with ground terminal 91, from the Inturruptor for sub-line 1F earthy lead 39 drawn and is different from ground terminal 91
The ground terminal 92 of system connects.
At this point, the space 1s generated by the arcuate configuration of each circuit-breaker 1, due to having and 1 corresponding amount of module
The height (thickness direction) of the half of width (longitudinal length) and module, therefore multiple wirings, harness can abundantly be supplied to pass through.
That is, forming the wiring tubes 1sG for the length that multiple circuit-breakers 1 are connected, therefore for example make from the extraction of each circuit-breaker 1
Contact signal output (not shown) passes through wiring tubes 1sG with lead, and thus, it is possible to summarize wiring.Moreover, wiring tubes 1sG's is negative
The adjacent part for carrying side ground terminal 31e becomes freely, therefore can be from wiring tubes 1sG, the respective portion of circuit-breaker 1
Divide and draw wiring, the freedom degree of wiring is also high.
In addition, if be set as the terminal 3t for drawing earthy lead 39 being set to side 3fs, or be set to space
The face 3fp that 1s is surrounded, then can utilize wiring tubes 1sG with contact signal output in the same manner as lead.Certainly, from end face 3fe
In the case that part is drawn, it can be also back to as described above from free portion in wiring tubes 1sG, therefore wiring tubes can be summarized in
1sG.That is, without using component is terminated, it will be able to the respective earthy lead 39 drawn from multiple circuit-breakers 1 is summarized and
Carry out wiring.
In addition, in a part setting necking part of inner surface etc. for the arcuate configuration for surrounding space 1s, for example, if setting
Tube material for that section can be semicircle, U-shaped, V shape etc. is kept, then can further make the performance as pipe
It improves.
As previously discussed, Quick-connection terminal unit 3 involved in embodiment according to the present invention 1, is configured to quick
Connection terminal unit 3 is detachably formed in the end of the load-side of the main body (main part 2) of circuit-breaker 1, as electricity
The face terminals 31 of circuit breaker 1 use, which has 3 Quick-connection terminals, they have respectively
Have: insertion hole 3a is open so that being inserted into electric wire 80 from the side operating surface 1fo of circuit-breaker 1；Electric wire keeps machine
Structure, by the combination of elastomeric element 33 and chain shot 36, carry out from the grasping of the insertion hole 3a electric wire 80 being inserted into and comprising with it is interior
The holding of the electrical connection of portion's electrode (terminal component 32) acts；And releasing mechanism, have with can from the side operating surface 1fo into
The operation portion (display surface 34f) that the mode of the mechanical operation of row configures makes chain shot 36 and mechanical operations linkage and makes to protect
It holds movement to release, 2 Quick-connection terminals (load side voltage terminal 31p) in 3 Quick-connection terminals are being loaded into main body
When portion 2, it is configured to terminal component 32 and is electrically connected with the electrode (secure component 24) of main part 2, remaining Quick-connection terminal is (negative
Carry side ground terminal 31e) it is configured to terminal component 32 and conducting wire is (earthy to derived from outside from Quick-connection terminal unit 3
Lead 39) electrical connection, so if earthy lead 39 is set to desired system and carries out wiring, then by load equipment
When wiring is connected to circuit-breaker 1, only by the way that pressure-wire and ground line are inserted into close Quick-connection terminal (load end
Son is 31), it will be able to carry out the ground connection wiring to desired system, therefore not need troublesome wiring operation, without abnormal operation
Deng worry, it will be able to make circuit-breaker 1 act.
Particularly, the earthy lead 39 is configured to from different from the side operating surface 1fo of Quick-connection terminal unit 3
Face export, therefore with the holding of wiring, electric wire from load equipment, releasing movement interference, it will be able to easily into
Row wiring operation.
In addition, 3 Quick-connection terminals (face terminals 31), be respectively modular (module B1~B3), and 2 quick
When from the side operating surface 1fo, (in the width direction) is configured at and main part 2 the module B1 and module B2 of connection terminal side by side
Close to side, the mould of the module B3 of remaining Quick-connection terminal from the Quick-connection terminal of the side in 2 Quick-connection terminals
Block B1 stretches out, and is set to from main part 2 far from side, therefore the misidentification of the pressure-wire and ground line when can prevent wiring operation.
In addition, will not make to install width increase, therefore it can be improved packing density.
Quick-connection terminal of the module B3 of remaining Quick-connection terminal when from the side operating surface 1fo, with a side
Module B1 compared to being configured at inboard (on thickness direction), by main part 2, the Quick-connection terminal of a side module B1 and its
The module B3 of remaining Quick-connection terminal relative to the setting object of main part face and form arcuate configuration, therefore can benefit
It is used as wiring tubes.
In addition, as previously discussed, circuit-breaker 1 involved in embodiment according to the present invention 1 is set as having above-mentioned
Quick-connection terminal unit 3 and main part 2, which forms strip box-like, in the switching mechanism of internal storage electric power,
And it is formed with power supply terminal 21 in one end of length direction, is formed in the other end for by 3 energy of Quick-connection terminal unit
Enough loading parts (face for being provided with secure component 24) loaded with freely loading and unloading, therefore break even if leakage circuit breakers 1V, wiring are used
Road device 1F mixing, does not need troublesome wiring operation, without the worry of abnormal operation etc. yet.
Claims (5)
1. a kind of Quick-connection terminal unit, is detachably formed in the end of the load-side of the main body of circuit-breaker,
Face terminals as the circuit-breaker use,
The Quick-connection terminal unit is characterized in that,
With 3 Quick-connection terminals, which is respectively provided with:
It is inserted into hole, is open so that being inserted into electric wire from the operation surface side of the circuit-breaker；
Electric wire holding mechanism passes through the combination of elastomeric element and chain shot, carries out the grasping for the electric wire being inserted into from the insertion hole
It is acted with comprising the interior holding that is connected electrically in internal electrode；And
Releasing mechanism has the operation portion configured in a manner of it can carry out mechanical operation from the operation surface side, makes
The chain shot and the mechanical operations linkage and release the holding movement,
2 Quick-connection terminals in 3 Quick-connection terminals are configured to, will be described interior when being loaded into the main body
Portion's electrode is electrically connected with the electrode of the main body,
Remaining Quick-connection terminal is configured to, by the internal electrode with from the Quick-connection terminal unit to derived from outside
Conducting wire electrical connection.
2. Quick-connection terminal unit according to claim 1, which is characterized in that
The conducting wire is configured to export from the faces different from the operation surface side of the Quick-connection terminal unit.
3. Quick-connection terminal unit according to claim 1 or 2, which is characterized in that
3 Quick-connection terminals are respectively modular, also,
The module of 2 Quick-connection terminals is configured at close with the main body side by side when from the operation surface side
Side,
The module of remaining Quick-connection terminal, from the Quick-connection terminal of the side in 2 Quick-connection terminals
Module stretch out, be set to from the main body far from side.
4. Quick-connection terminal unit according to claim 3, which is characterized in that
The module of remaining Quick-connection terminal, Quick-connection when from the operation surface side, with the party
The module of terminal compared to being configured at inboard, by the Quick-connection terminal of the main body, the party module and it is described remaining
The module of Quick-connection terminal, relative to the setting object of the main body face and form arcuate configuration.
5. a kind of circuit-breaker comprising:
Quick-connection terminal unit described in any one of Claims 1-4；And
The main body forms strip box-like, in the switching mechanism of internal storage electric power, and is formed in one end of length direction
There is power supply terminal, is formed with the loading for can load the Quick-connection terminal unit with freely loading and unloading in the other end
Portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-086470 | 2018-04-27 | ||
| JP2018086470A JP6937721B2 (en) | 2018-04-27 | 2018-04-27 | Fast-connect terminal unit and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416032A true CN110416032A (en) | 2019-11-05 |
| CN110416032B CN110416032B (en) | 2022-12-13 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910323568.XA Active CN110416032B (en) | 2018-04-27 | 2019-04-22 | Quick connection terminal unit and circuit breaker |
| CN201920549536.7U Withdrawn - After Issue CN209607682U (en) | 2018-04-27 | 2019-04-22 | Quick-connection terminal unit and circuit-breaker |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920549536.7U Withdrawn - After Issue CN209607682U (en) | 2018-04-27 | 2019-04-22 | Quick-connection terminal unit and circuit-breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6937721B2 (en) |
| CN (2) | CN110416032B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6937721B2 (en) * | 2018-04-27 | 2021-09-22 | 三菱電機株式会社 | Fast-connect terminal unit and circuit breaker |
| WO2020188796A1 (en) * | 2019-03-20 | 2020-09-24 | 三菱電機株式会社 | Quick-connection terminal unit and circuit breaker |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110416032B (en) | 2022-12-13 |
| JP6937721B2 (en) | 2021-09-22 |
| CN209607682U (en) | 2019-11-08 |
| JP2019192577A (en) | 2019-10-31 |
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