CN106206181A - Circuit-breaker - Google Patents
Circuit-breaker Download PDFInfo
- Publication number
- CN106206181A CN106206181A CN201610132681.6A CN201610132681A CN106206181A CN 106206181 A CN106206181 A CN 106206181A CN 201610132681 A CN201610132681 A CN 201610132681A CN 106206181 A CN106206181 A CN 106206181A
- Authority
- CN
- China
- Prior art keywords
- alarm
- switch
- auxiliary
- contact
- circuit
- 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
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Classifications
-
- 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
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- 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
- H01H71/04—Means for indicating condition of the switching device
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Abstract
The present invention provides a kind of replacing that can carry out accessory switch (alarm contact, auxiliary switch) based on specification change simply, it is possible to realize the circuit-breaker of the reduction of production unit cost by realizing the sharing of the part beyond accessory switch.In main body cover (4), it is accommodated with fixed contact (8), movable contact (9), the switching mechanism (11) carrying out the opening and closing operations of movable contact and over current trip (12), main body cover is formed switch mounting opening (13).It is detachably arranged auxiliary switch (20) and any one in alarm contact (30) in switch mounting opening, wherein auxiliary switch and switching mechanism linkage detect the released state of fixed contact and movable contact, and alarm contact detected the tripped condition of the switching mechanism of action based on current trip arrangement.
Description
Technical field
The present invention relates to the small electrical that circuit brake being suitable for the equipment protection of low-voltage distribution system etc. is object
Circuit breaker.
Background technology
In the circuit-breaker with circuit brake etc. as object, with auxiliary switch or alarm contact as accessory switch
The switch carried is known (such as patent documentation 1).
The circuit-breaker of patent documentation 1 loads fixed contact, movable contact, switching mechanism, the most electric in main body cover
Stream tripgear and accessory switch.
Have as the auxiliary switch of accessory switch and alarm contact be installed in switch housing microswitch, assemble and join
The actuation mechanism of the action linkage in switch housing and with switching mechanism.
The circuit-breaker being assembled in main body cover by auxiliary switch, becomes the operation by operating handle, opening/closing machine
Structure carries out action and makes movable contact become the state contacting or separating with fixed contact, but the actuation mechanism of auxiliary switch is led to
Crossing and link with switching mechanism, the on-off state of circuit-breaker is exported by microswitch as the signal of telecommunication.
It addition, the circuit-breaker that alarm contact is assembled in main body cover, if the main circuit terminal of load-side with
Produce overcurrent between the main circuit terminal of mains side, then by the action of over current trip, untie the lock of switching mechanism,
Movable contact moves becomes tripped condition to the direction separated with fixed contact.By the actuation mechanism of alarm contact with open
Closing mechanism's linkage, the tripped condition of circuit-breaker is exported by microswitch as the signal of telecommunication.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2002-298717 publication
Summary of the invention
The problem that invention is to be solved
But, the circuit-breaker of patent documentation 1 is (the most alert with an accessory switch in auxiliary switch because of alarm contact
Report switch) it is assembled integrally with main body cover, so can not carry out (such as assisting with other accessory switch changed based on specification
Switch) replacing.Therefore, it is necessary to manufacture the special circuit-breaker of alarm contact and the special circuit-breaker of auxiliary switch.
It addition, the alarm contact of patent documentation 1 is provided with terminal board at three on switch housing, as built-in microswitch
Contact form, have normally opened contact form, normally-closed contact form and transfer contact form three kinds.It addition, the fine motion of auxiliary switch
Switch has three kinds of contact forms too.
So, because of must manufacture the special circuit-breaker of the different multiple alarm contact of the contact form of microswitch and
The circuit-breaker that auxiliary switch is special, so the production unit cost of circuit-breaker increases suddenly.
Then, the present invention develops in view of the foregoing, its object is to provide a kind of circuit-breaker, and it can
Carry out the replacing of accessory switch (alarm contact, auxiliary switch) based on specification change simply, and can be by realizing attached opening
Parts beyond pass share and be capable of the reduction of production unit cost.
For solving the technical scheme of problem
To achieve these goals, the present invention provides a kind of circuit-breaker, and it is accommodated with fixing touching in main body cover
Head, movable contact, the switching mechanism carrying out the opening and closing operations of movable contact and over current trip, formed on main body cover
There is switch mounting opening.Further, it is detachably arranged auxiliary switch and appointing in alarm contact in switch mounting opening
One, wherein auxiliary switch and switching mechanism linkage detect the released state of fixed contact and movable contact, and alarm contact is examined
Survey the tripped condition of the switching mechanism of action based on over current trip.
Invention effect
Circuit-breaker according to the present invention, using the teaching of the invention it is possible to provide a kind of circuit-breaker, it is being formed at opening of main body cover
Pass mounting opening is detachably arranged and detects the fixed contact released state with movable contact with switching mechanism linkage
Any one in the alarm contact of the tripped condition of auxiliary switch and detection switching mechanism based on over current trip action,
So when specification changes, it is possible to carry out the replacing of accessory switch (alarm contact, auxiliary switch) simply, and by realizing
Parts beyond accessory switch share and achieve the reduction of production unit cost.
Accompanying drawing explanation
Fig. 1 (a) represents the circuit-breaker being provided with auxiliary switch, and Fig. 1 (b) represents that the circuit being provided with alarm contact breaks
Road device.
Fig. 2 is the figure representing the circuit-breaker being provided with auxiliary switch from side.
Fig. 3 is the axonometric chart representing the state having pulled down auxiliary switch from main body cover.
Fig. 4 is the sectional view representing the state having pulled down auxiliary switch from main body cover.
Fig. 5 is the figure of the structure representing auxiliary switch.
Fig. 6 is the sectional view of the circuit-breaker being provided with auxiliary switch.
Fig. 7 is the sectional view of the major part representing the circuit-breaker being provided with auxiliary switch.
Fig. 8 is the figure of the structure representing alarm contact.
Fig. 9 is the sectional view representing the state having pulled down alarm contact from main body cover.
Figure 10 is the sectional view of the circuit-breaker being provided with alarm contact.
Figure 11 is the sectional view of the major part representing the circuit-breaker being provided with alarm contact.
Figure 12 is the sectional view representing the state having pulled down cover from main body cover.
Detailed description of the invention
First embodiment of the present invention is described with reference to the accompanying drawings.In the record of following accompanying drawing, same or like
Part add same or similar symbol.However it should be noted that accompanying drawing is the pass of schematically figure, thickness and planar dimension
System, each layer the ratio etc. of thickness different with actual.Therefore, concrete thickness and size should be with reference to the following description
Judge.It addition, certainly also comprise the most mutual size relationship of accompanying drawing and the most different part of ratio.
It addition, the first embodiment shown below is to illustrate the device for the technical thought of the present invention being embodied
With the embodiment of method, the technical thought of the present invention is not the material of component parts, shape, structure, configuration etc. to be limited
The meaning for the description below.The technical thought of the present invention can have respectively in the technical scope of claimed scope defined
Plant change.
[about the structure of circuit-breaker]
As shown in Fig. 1 (a), (b), the circuit-breaker 1 of the first embodiment includes: main part 2, be arranged at removably
The auxiliary switch 20 (with reference to Fig. 1 (a)) as accessory switch of main part 2, the conduct being arranged at main part 2 removably are attached
The alarm contact 30 (with reference to Fig. 1 (b)) of switch.
[structure of main part]
As shown in Figures 2 and 3, main part 2 includes by the first segmentation shell 4a and the at width two segmenting structure
The main body cover 4 that two segmentation shell 4b are constituted, is configured with operation handle 5 on the top of main body cover 4.Main body cover 4 passes through will
First segmentation shell 4a and the second segmentation shell 4b utilizes the most through rivet 4c integration to be formed.
On main body cover 4, it is provided with main circuit terminal plate 6a and the main circuit end of mains side of load-side as shown in Figure 4
Daughter board 7a, is provided with clamped nipple 6b, 7b on these main circuit terminal plate 6a, 7a.
Here, as in figure 2 it is shown, the main circuit terminal plate 6a of load-side be formed at main body cover 4 by the one of width
The position of side (left side of Fig. 2).
As shown in Figure 3 and Figure 4, relative to main circuit terminal plate 6a shape on the main body cover 4 of upper position of load-side
Become to have switch mounting opening 13, shape on the main body cover 4 of the position on the lower, edge, bottom than switch mounting opening 13
Become to have to project to top and the hinge guide part 14 of linearity extension in the direction of the width.It addition, at proximity switch construction opening
The inwall of the main body cover 4 of the edge, top in portion 13 is formed with the engaging protrusion portion projecting to lower section and extending in the direction of the width
15。
As it is shown on figure 3, be configured with operation handle 5 on the top of main body cover 4, in the inside of main body cover 4, such as Fig. 4 institute
Show, be built-in with fixed contact 8, movable contact 9, the flexible lead that connects between movable contact 9 and the main circuit terminal 7 of mains side
10, the over current trip 12 of switching mechanism 11 and solenoid type.
And, as shown in Figure 4, movable contact 9 is integrally linked with the auxiliary with auxiliary switch 20 described later with actuating
The movable contact side lever 16 of device mechanism 21 engaging, and, switching mechanism 11 is linked with and the police of alarm contact 30 described later
The report plug housing 17 of actuation mechanism 31 engaging.
[about the structure of auxiliary switch]
Below, the auxiliary switch 20 of the main part 2 shown in Fig. 1 (a) it is arranged at removably with reference to Fig. 2～Fig. 7 explanation
Structure.
As it is shown in figure 5, auxiliary switch 20 have resin molded switch housing 22, be fixed on this switch housing 22 micro-
Dynamic switch 23 and auxiliary actuation mechanism 21.
As in figure 2 it is shown, be formed with two-stage the first terminal plate 24a, the second end in the front side (left side of Fig. 3) of switch housing 22
Daughter board 25a, is provided with first and second clamped nipple 24b, 25b on this first and second terminal board 24a, 25a.Here, two
Level first and second terminal board 24a, 25a are formed at the position of the side by width of switch housing 22.
As shown in Figure 3 and Figure 5, on the top of switch housing 22, it is formed with rear side (right side of Fig. 5) and switch housing 22 1
Body forms also forward side (left side of Fig. 5) extension and front portion and is provided with the elastic snap-latch piece 26 of open end 26a, at this elasticity snap-latch piece
The upper surface of the 26a side, open end of 26 is formed with engaging recessed part 26b.
As shown in Figure 4 and Figure 5, in the bottom of switch housing 22, it is formed and the switch mounting opening at main body cover 4
The concave hinge 27 of hinge guide part 14 engaging that the periphery of 13 is formed.
And, as in figure 2 it is shown, be formed on switch housing 22 from being provided with two-stage the first and second terminal boards 24a, 25a
Front portion towards the switch dismounting through hole 28 through for open end 26a of elastic snap-latch piece 26.
The microswitch 23 being fixed on switch housing 22, as it is shown in figure 5, be provided with button 23a in front side, sets at rear side
It is equipped with the terminal 23b being connected via first and second clamped nipple 24b, 25b with wire (not shown).
The inner contact of this microswitch 23 is set as that (contact switches to closed form from off-state to normally opened contact form
State) and the one of normally-closed contact form (contact switches to off-state from closure state) both contacts form.
Auxiliary actuation mechanism 21 has the first arm 21a and the second arm 21b, the link first that generally L-shaped shape extends
Arm 21a and the bending section 21c of the second arm 21b, bending section 21c is rotatably freely supported on the width at switch housing 22
Upper extension and in the rotary shaft 29 fixed.It addition, the compression helical spring that the second arm 21b is to being arranged on switch housing 22
21d applies the clockwise power around rotary shaft 29.
And, when auxiliary with the first arm 21a and the second arm 21b of actuation mechanism 21 at the clockwise direction of Fig. 5 around rotation
When rotating shaft 29 rotates, the button 23a of the second arm 21b pressing microswitch 23, under normally opened contact form, contact is from off-state
Switching to closure state, under normally-closed contact form, contact switches to off-state from closure state.
[method about auxiliary switch being installed on main part]
Below, the method illustrating the auxiliary switch 20 of above-mentioned composition is installed on main part 2 with reference to Fig. 4～Fig. 6.
The main part 2 of Fig. 4 and Fig. 6 is set as that switching mechanism 11 action makes the moving contact 9a of movable contact 9 with solid
Determine connection (ON) state of the fixed contact 8a contact of contact 8.
First, as shown in Figure 4, the hinge 27 of the bottom that will be formed in switch housing 22 is positioned in the hinge of main body cover 4
On chain guide part 14.Then, with hinge 27 as center of rotation, make auxiliary switch 20 to switch mounting opening 13 1 sidesway
Dynamic.
When the switch housing 22 of auxiliary switch 20 is to switch mounting opening 13 1 side shifting, it is arranged at switch housing 22
Top elastic snap-latch piece 26 by with the engaging protrusion portion 15 of main body cover 4 being formed near switch mounting opening 13
Engaging and to downside elastic deformation.Then, when engaging recessed part 26b is embedded into engaging protrusion portion 15, elastic snap-latch piece
26 to upside elastic recovery, and the most as shown in Figure 6, auxiliary switch 20 is installed in switch mounting opening 13.
And, for being provided with the circuit-breaker 1 of auxiliary switch 20 at main part 2, as shown in Figure 6, with ON state
The movable contact side lever 16 of movable contact 9 integration and the auxiliary constituting auxiliary switch 20 first arm of actuation mechanism 21
21a engages.
[method about pulling down auxiliary switch from main part]
Below, pull down from switch mounting opening 13 with reference to Fig. 2 and Fig. 7 explanation and be installed on the auxiliary switch 20 of main part 2
Method.
First, at front portion (being provided with first and second terminal board 24a, 25a sides) opening of the switch housing 22 shown in Fig. 2
Switch dismounting with in through hole 28, insert the extracting tool such as tinsel or elongated driver (towards the open end 26a shown in Fig. 7
The shown direction of arrow).And, the open end of front end with elastic snap-latch piece 26 by making the instrument of tinsel or thin shape
26a abuts so that elastic snap-latch piece 26 is in the direction elastic deformation close with the microswitch 23 in the dotted arrow direction of Fig. 7.
So, by making elastic snap-latch piece 26 elastic deformation, engagement release jut 15 embeds the state of engaging recessed part 26b, and auxiliary is opened
Close 20 to be pulled down from switch mounting opening 13.
[about the structure of alarm contact]
Below, the alarm contact 30 of the main part 2 shown in Fig. 1 (b) it is arranged at removably with reference to Fig. 8～Figure 11 explanation
Structure.It addition, constitute the additional identical symbol of part also identical with the structure of the auxiliary switch 20 shown in Fig. 2～Fig. 7
The description thereof will be omitted.
As shown in Figure 8, alarm contact 30 has resin molded switch housing 22, is fixed on the fine motion of this switch housing 22
Switch 33 and alarm actuation mechanism 31.
As shown in Figure 8, the microswitch 33 of the switch housing 22 being fixed on alarm contact 30 is provided with button in front side
33a, is provided with the terminal 33b being connected via first and second clamped nipple 24b, 25b with wire (not shown) at rear side.
The inner contact of this microswitch 33 is set as that (contact switches to closed form from off-state with normally opened contact form
State) and normally-closed contact form (contact switches to off-state from closure state) both contacts form one.
As shown in Figure 8, alarm actuation mechanism 31 includes: rotary shaft 29, and it is on the width of switch housing 22
Extend and fixed；First arm 31a, it is formed as reverse U shape shape, and one end is rotatably supported by rotary shaft 29；Second
Arm 31b, it is integrally attached to the other end of the first arm 31a, is upwardly extended in the side away from one end；3rd arm 31c, its
It is integrally attached to the end side of the first arm 31a, is extended to the button 33a side of microswitch 33.It addition, 31c pair, the 3rd arm
The compression helical spring 31d being configured at switch housing 22 applies the clockwise power around rotary shaft 29.
And, when alarm with the first arm 31a and the 3rd arm 31c of actuation mechanism 31 at the clockwise direction of Fig. 8 around rotation
When rotating shaft 29 rotates, the button 33a of the 3rd arm 31c pressing microswitch 33, under normally opened contact form, contact is from off-state
Switching to closure state, under normally-closed contact form, contact switches to off-state from closure state.
[method about alarm contact being installed on main part]
Below, the method illustrating the alarm contact 30 of above-mentioned composition is installed on main part 2 with reference to Fig. 8～Figure 10.
First, as it is shown in figure 9, the hinge 27 that will be formed in the bottom of the switch housing 22 of alarm contact 30 is positioned in master
On the hinge guide part 14 of body case 4.And, make alarm contact 30 to switch mounting opening with hinge 27 for center of rotation
13 1 side shiftings.
When the switch housing 22 of alarm contact 30 is to switch mounting opening 13 1 side shifting, it is arranged at switch housing 22
The elastic snap-latch piece 26 on top because blocking with the engaging protrusion portion 15 of main body cover 4 being formed near switch mounting opening 13
Close and to downside elastic deformation.And, when engaging protrusion portion 15 is embedded into engaging recessed part 26b, elastic snap-latch piece 26
To upside elastic recovery, thus, as shown in Figure 10, alarm contact 30 is installed in switch mounting opening 13.
And, main part 2 is provided with to the circuit-breaker 1 of alarm contact 30, as shown in Figure 10, with opening of ON state
The plug housing 17 closing mechanism 11 link engages with the second arm 31b constituting alarm actuation mechanism 31.
[method about pulling down alarm contact from main part]
Below, pull down from switch mounting opening 13 with reference to Fig. 2 and Figure 11 explanation and be installed on the alarm contact 30 of main part 2
Method.
First, to the switch dismounting of the front opening of the switch housing 22 of alarm contact 30 through hole 28 (with reference to Fig. 2)
In, along inserting extracting tool towards the direction of arrow shown in the open end 26a shown in Figure 11.Then, by by extracting tool
Front end abuts with the open end 26a of elastic snap-latch piece 26, make micro-to the dotted arrow direction of Figure 11 of elasticity snap-latch piece 26
Dynamic switch 33 close direction elastic deformations.So, by making elastic snap-latch piece 26 elastic deformation, engagement release jut 15 quilt
Embedding the state of engaging recessed part 26b, alarm contact 30 is removed from switch mounting opening 13.
[about arranging the circuit-breaker being mounted with auxiliary switch in dish]
Below, to will be provided with auxiliary switch 20 and become the circuit-breaker 1 of ON state and be arranged in the dishes such as control dish,
The method being connected with ON, OFF (on-off) display device (not shown) illustrates.
First, at general's operation handle 5 towards front, auxiliary switch 20 is positioned under the posture of downside, is set by circuit-breaker 1
It is placed in dish.
Then, clamped nipple 7b, 6b is utilized will to connect from mains side distribution and the load-side distribution of outside wiring in dish
Main circuit terminal plate 7a and the main circuit terminal plate 6a of load-side to the mains side of circuit-breaker 1.
It addition, use first and second clamped nipple 24b, 25b by from ON, OFF display device of outside wiring in dish
Distribution be connected to first and second terminal board 24a, 25a of auxiliary switch 20.
Here, as in figure 2 it is shown, the main circuit terminal plate 6a of load-side is formed at the one of the width of circuit-breaker 1
Side (left side), first and second terminal board 24a, 25a of auxiliary switch 20 are formed at another of the width of circuit-breaker 1
Side (right side).Therefore, though the distribution of ON, OFF display device and first and second terminal board 24a, 25a and first and second
Clamped nipple 24b, 25b connect, at the load-side distribution being connected with main circuit terminal plate 6a and the clamped nipple 6b of load-side
During tension, the distribution of ON, OFF display device also has no relations.
And, auxiliary switch 20 being installed and becomes ON state and the circuit-breaker 1 that is arranged in dish, electric current is from power supply
The main circuit terminal plate 7a of side is through flexible lead 10, moving contact 9a, fixed contact 8a, fixed contact 8, overcurrent trip dress
Put the breaking coil of 12 to flow through to the main circuit terminal plate 6a of load-side.
(the operation shown in the dotted line of Fig. 7 when as shown in Figure 7 operation handle 5 being erected from the circuit-breaker 1 of ON state
Handle 5), switching mechanism 11 action and the moving contact 9a of movable contact 9 is separated from fixed contact 8a of fixed contact 8.
When the action erecting the movable contact 9 brought with operation handle 5 links, when movable contact side lever 16 rotates downwards
(direction of arrow of Fig. 7), the first arm of the auxiliary actuation mechanism 21 of the auxiliary switch 20 engaged with movable contact side lever 16
21a also moves downwards simultaneously, the auxiliary button 23a of the second arm 21b pressing microswitch 23 of actuation mechanism 21.By
This, microswitch 23 is when for the auxiliary switch 20 of normally opened contact form, and contact switches to closure state from off-state, for
During normally-closed contact form, contact switches to off-state from closure state, and the signal of telecommunication of microswitch 23 is to ON, OFF display dress
Put output, thus at ON, the OFF state of ON, OFF display device display circuit chopper 1.
[being arranged in dish about by the circuit-breaker being provided with alarm contact]
Illustrate below the circuit-breaker 1 of the ON state by being mounted with alarm contact 30 be arranged at the dishes such as control dish in and with
The method that alarm display device (not shown) connects.
With the posture on the downside of being positioned at towards front and alarm contact 30 by operation handle 5, circuit-breaker 1 is arranged at dish
In.
Then, use clamped nipple 7b, 6b, will connect from mains side distribution and the load-side distribution of outside wiring in dish
Main circuit terminal plate 7a and the main circuit terminal plate 6a of load-side to the mains side of circuit-breaker 1.
It addition, use first and second clamped nipple 24b, 25b, by from the alarm display device of outside wiring in dish
Distribution is connected to first and second terminal board 24a, 25a of alarm contact 30.
This circuit-breaker 1 is also as in figure 2 it is shown, the main circuit terminal plate 6a of load-side is formed at the width of circuit-breaker 1
The side (left side) in degree direction, first and second terminal board 24a, 25a of alarm contact 30 are formed at the width of circuit-breaker 1
The opposite side (right side) in direction.Therefore, even if at first and second terminal board 24a, 25a and the first and second clamped nipples
24b, 25b are upper connects the distribution having alarm display device, by the main circuit terminal plate 6a and clamped nipple 6b with load-side even
During the load-side distribution tension connect, the distribution of alarm display device also has no relations.
And, alarm contact 30 is installed when overcurrent flows through and becomes ON state and the circuit-breaker that is arranged in dish
When 1, detecting that the lock of switching mechanism 11 is untied by the over current trip 12 of overcurrent condition, movable contact 9 is solid to leaving
The direction determining contact 8 is moved and is become tripped condition.
During this tripped condition, as shown in figure 11, the action with switching mechanism 11 links, and plug housing 17 rotates (figure upward
The direction of arrow of 11).So, when plug housing 17 rotates upward, the alarm actuation mechanism 31 engaged with plug housing 17
The second arm 31b be moved upward the most simultaneously, the 3rd arm 31c of alarm actuation mechanism 31 leaves the button of microswitch 33
33a.Thus, microswitch 33 is when for the alarm contact 30 of normally opened contact form, and contact switches to closed form from off-state
State, when for normally-closed contact form, contact switches to off-state, the signal of telecommunication of microswitch 33 to be output to from closure state
Alarm display device, thus, in the tripped condition of alarm display device display circuit chopper 1.
[about the replacing of the accessory switch being installed on circuit-breaker]
Below, in being arranged at dish by specification change and be provided with the circuit-breaker 1 of auxiliary switch 20 and be replaced by
The method of alarm contact 30 illustrates.
The circuit-breaker 1 being arranged in dish, switch dismounting through hole 28 opening downward of its auxiliary switch 20.
In this switch dismounting with in through hole 28, insert the extracting tool such as tinsel or elongated driver from downside.And, by by metal
The front end of the instrument of silk or thin shape abuts with the open end 26a of elastic snap-latch piece 26, makes elastic snap-latch piece 26 open to fine motion
Closing 23 close direction elastic deformations, engagement release jut 15 embeds the state of engaging recessed part 26b, by auxiliary switch 20 from opening
Close mounting opening 13 to pull down.
Then, the hinge 27 of the bottom that will be formed in the switch housing 22 of alarm contact 30 is positioned in main body cover 4
On hinge guide part 14, make alarm contact 30 to switch mounting opening 13 side shifting with hinge 27 for center of rotation.And,
It is arranged at the elastic snap-latch piece 26 on the top of switch housing 22 and the main body cover 4 being formed near switch mounting opening 13
Engaging protrusion portion 15 engages and elastic deformation, when engaging recessed part 26b embeds engaging protrusion portion 15, and elastic snap-latch piece 26
To upside elastic recovery, thus, alarm contact 30 is installed in switch mounting opening 13.
It addition, changed by specification, in dish being arranged at and be provided with the circuit-breaker 1 of alarm contact 30 and be replaced by auxiliary
The situation helping switch 20 is also carried out with same order.
It addition, changed by specification, it is replaced by from the auxiliary switch 20 of the microswitch 23 with normally opened contact form
There is the situation of the auxiliary switch 20 of the microswitch 23 of normally-closed contact form or open from the fine motion with normally-closed contact form
In the case of the auxiliary switch 20 of pass 23 is replaced by auxiliary switch 20 replacing of the microswitch 23 with normally opened contact form, also
Carry out according to the order as the method for above-mentioned replacing auxiliary switch 20 and alarm contact 30.
[situation about not installing accessory switch on circuit-breaker]
Below, Figure 12 is to represent not install auxiliary switch 20 or alarm contact 30 and the knot of only mounting cup 32 at main part 2
The figure of structure.
Cover 32 is the resin molded of switch housing 22 same shape with auxiliary switch 20 and alarm contact 30
Parts, its top is formed with elastic snap-latch piece 26, and the upper surface in the 26a side, open end of this elasticity snap-latch piece 26 is formed with card
Close recess 26b.
Dismantle with through it addition, be formed with the switch through for open end 26a towards elastic snap-latch piece 26 in the front portion of cover
Hole (not shown).It addition, be formed with the concave hinge that the hinge guide part 14 with main body cover 4 engages in the bottom of cover 32
27。
And, the hinge 27 of cover 32 is positioned on the hinge guide part 14 of main body cover 4, with hinge 27 for rotating
Center makes cover 32 to switch mounting opening 13 1 side shifting, elastic snap-latch piece 26 and the engaging near switch mounting opening 13
Jut 15 engages and elastic deformation.And, when engaging recessed part 26b is embedded into engaging protrusion portion 15, elastic engaging
Sheet 26 elastic recovery, thus cover 32 is installed in switch mounting opening 13.
Here, the auxiliary switch housing of the present invention is corresponding with the switch housing 22 of auxiliary switch 20, the auxiliary of the present invention
Corresponding with first and second terminal board 24a, 35a of auxiliary switch 20 with terminal board, the auxiliary microswitch of the present invention is with auxiliary
The microswitch 23 helping switch 20 is corresponding, and the auxiliary hinge of the present invention is corresponding with the hinge 27 of auxiliary switch 20, this
The elastic holding section of bright auxiliary is corresponding with the elastic snap-latch piece 26 of auxiliary switch 20, the auxiliary through hole of the present invention and auxiliary
The switch dismounting of switch 20 is corresponding with through hole 28.It addition, the alarm switch housing of the present invention and the switch of alarm contact 30
Shell 22 is corresponding, and the alarm terminal board of the present invention is corresponding with first and second terminal board 24a, 35a of alarm contact 30, this
Bright alarm microswitch is corresponding with the microswitch 33 of alarm contact 30, the alarm hinge of the present invention and alarm contact
The hinge 27 of 30 is corresponding, and the elastic holding section of the alarm of the present invention is corresponding with the elastic snap-latch piece 26 of alarm contact 30, this
Bright alarm through hole is corresponding with the switch dismounting through hole 28 of alarm contact 30.
[about the effect of circuit-breaker of the first embodiment]
The effect of the circuit-breaker 1 of the first embodiment is described below.
First, circuit-breaker 1 uses following structure, it may be assumed that can in the switch mounting opening 13 being arranged at main body cover 4
The detection ON of switching mechanism 11, the auxiliary switch 20 of OFF state and detection are installed removably based on over current trip 12
Any one in the alarm contact 30 of the tripped condition of the switching mechanism 11 of action, so breaking from the circuit with auxiliary switch 20
Road device 1 carries out the situation of specification change to the circuit-breaker 1 with alarm contact 30 or carries out the feelings of contrary specification change
Under condition, the auxiliary switch 20 and the one of alarm contact 30 of the circuit-breaker 1 by being installed in dishes such as being arranged on control dish
Person dismantles from main part 2, and another one is installed on main part 2, it is possible to carry out circuit-breaker 1 based on specification change simply
Auxiliary switch 20, the replacing of alarm contact 30.
It addition, auxiliary switch 20 manufactures the switch of the microswitch 23 with normally opened contact form and has normally-closed contact shape
The switch both of the microswitch 23 of formula, alarm contact 30 manufacture have normally opened contact form microswitch 33 switch and
There is the switch both of the microswitch 33 of normally-closed contact form.And, in the first embodiment, according to specification, leading
The switch mounting opening 13 of body case 4 installs any one auxiliary switch 20 or alarm contact 30, therefore, encloses with by inside
Circuit-breaker and alarm that the multiple auxiliary switch of the microswitch that the contact form of existing microswitch is different is special are opened
Close special circuit-breaker to compare, it is possible to reduce the production unit cost of circuit-breaker 1.
It addition, the accessory switch of auxiliary switch 20 and alarm contact 30 will be by being arranged at the hinge 27 of switch housing 22
It is positioned on the hinge guide part 14 of main body cover 4, makes auxiliary switch to switch construction opening with hinge 27 for center of rotation
Portion 13 1 side shifting, is arranged at the elastic snap-latch piece 26 of switch housing 22 and the main body being formed near switch mounting opening 13
The engaging protrusion portion 15 of shell 4 contacts and elastic deformation.And, the engaging of elastic snap-latch piece 26 it is embedded in engaging protrusion portion 15
Under the state of recess 26b, elastic snap-latch piece 26 elastic recovery and can be easily attached to accessory switch switch construction opening
Portion 13.
It addition, when pulling down accessory switch, by the switch dismounting through hole 28 of the front opening at switch housing 22
In insert the extracting tool such as tinsel or elongated driver, make elastic snap-latch piece 26 elastic deformation.Thus, engagement release jut 15
Embed the state of engaging recessed part 26b such that it is able to dismantled simply from switch mounting opening 13 by accessory switch.
It addition, the auxiliary switch 20 of the first embodiment and alarm contact 30 do not use the switching that demand is few (normally opened, normal
Close) contact form (there is terminal board at three), and make by arranging first and second terminal board 24a, 25a at two, form two kinds
The contact form (normally opened contact form, normally-closed contact form) of microswitch 23,33.And, as in figure 2 it is shown, the master of load-side
Circuit end daughter board 6a is formed at the side (left side) of the width of circuit-breaker 1, auxiliary switch 20 and alarm contact simultaneously
First and second terminal board 24a, 25a at the two of 30 are formed at the opposite side (right side) of the width of circuit-breaker 1.Cause
This, have ON, OFF display device and the distribution of alarm display device, also even if connecting on first and second terminal board 24a, 25a
The distribution that can make alarm display device carries out the main circuit terminal plate 6a with load-side and clamped nipple 6b allowably and is connected
The tension operation of load-side distribution, it is possible to carry out the wiring operation of circuit-breaker 1 in dish efficiently.
It addition, accessory switch (auxiliary switch 20, the alarm contact of the circuit-breaker 1 being arranged in the dishes such as control dish
30), switch dismounting through hole 28 opening downward used when pulling down this accessory switch, and be not provided with before dish
Side, therefore can also improve the aesthetic property of circuit-breaker 1.
Description of reference numerals
1 circuit-breaker
2 main parts
20 auxiliary switches
4a first splits shell
4b second splits shell
4 main body covers
4c rivet
5 operation handles
The main circuit terminal plate of 6a load-side
6b, 7b clamped nipple
The main circuit terminal plate of 7a mains side
8 fixed contacts
9 movable contacts
10 flexible leads
11 switching mechanisms
12 over current trips
13 switch mounting opening
14 hinge guide parts
15 engaging protrusion portions
16 movable contact side levers
17 plug housings
20 auxiliary switches
21 auxiliary actuation mechanism
21a the first arm
21b the second arm
21c bending section
21d compression helical spring
22 switch housings
23 microswitch
23a button
23b terminal
24a the first terminal plate
24b the first terminal joint
25a the second terminal board
25b the second clamped nipple
26 elastic snap-latch pieces
26a open end
26b recess
27 hinge
28 switch dismounting through holes
29 rotary shafts
30 alarm contacts
31 alarm actuation mechanism
31a the first arm
31b the second arm
31c the 3rd arm
31d compression helical spring
32 covers
33 microswitch
33a button
33b terminal.
Claims (9)
1. a circuit-breaker, it is characterised in that:
In main body cover, it is accommodated with fixed contact, movable contact, carries out the switching mechanism of the opening and closing operations of described movable contact
And over current trip, described main body cover is formed switch mounting opening,
It is detachably arranged auxiliary switch and any one in alarm contact in described switch mounting opening, wherein said auxiliary
Helping switch to detect the released state of described fixed contact and described movable contact with the linkage of described switching mechanism, described alarm is opened
Close the tripped condition of the described switching mechanism detecting action based on described over current trip.
Circuit-breaker the most according to claim 1, it is characterised in that:
Described auxiliary switch be assembled with in auxiliary switch housing multiple auxiliary terminal board, auxiliary microswitch and with institute
State the auxiliary actuation mechanism that switching mechanism linkage carries out the contact change-over of described auxiliary microswitch.
Circuit-breaker the most according to claim 2, it is characterised in that:
There is the described auxiliary switch of the described auxiliary microswitch of normally opened contact form and there is the institute of normally-closed contact form
State auxiliary switch described in the described auxiliary switch both of auxiliary microswitch to be removably mountable to described switch installation and open
Oral area.
4. according to the circuit-breaker described in Claims 2 or 3, it is characterised in that:
Described auxiliary switch housing includes:
Auxiliary hinge, it supports with the hinge guide part of the described main body cover being arranged near described switch mounting opening
Connect and be supported by；With
Auxiliary elasticity holding section, it is moving to described switch mounting opening with described auxiliary hinge for center of rotation
Elastic deformation during side and engage with the engaging protrusion portion of the periphery being arranged at described switch mounting opening.
Circuit-breaker the most according to claim 4, it is characterised in that:
The elastic holding section of described auxiliary is formed at the inside of described auxiliary switch housing,
It is formed with the auxiliary through towards the elastic holding section of described auxiliary from the outside of described auxiliary switch housing with through
Hole,
From the outside of described auxiliary switch housing, the extracting tool such as tinsel or elongated driver is inserted into described auxiliary with passing through
Through hole makes described auxiliary elastic holding section elastic deformation, it is possible to release the elastic holding section of this auxiliary with described engage dash forward
The engaging in the portion of rising.
6. according to the circuit-breaker according to any one of Claims 1 to 5, it is characterised in that:
Described alarm contact is provided with multiple alarm terminal board, alarm microswitch and described at alarm switch housing
Switching mechanism carries out the alarm actuation mechanism of linkage during trip operation.
Circuit-breaker the most according to claim 6, it is characterised in that:
There is the described alarm contact of the described alarm microswitch of normally opened contact form and there is the institute of normally-closed contact form
State alarm contact described in the described alarm contact both of alarm microswitch to be removably mountable to described switch installation and open
Oral area.
8. according to the circuit-breaker described in claim 6 or 7, it is characterised in that:
Described alarm switch housing includes:
Alarm hinge, it supports with the hinge guide part of the described main body cover being arranged near described switch mounting opening
Connect and be supported by；With
Alarm elasticity holding section, it is moving to described switch mounting opening with described alarm hinge for center of rotation
Elastic deformation during side and engage with the engaging protrusion portion of the periphery being arranged at described switch mounting opening.
Circuit-breaker the most according to claim 8, it is characterised in that:
The elastic holding section of described alarm is formed at the inside of described alarm switch housing,
It is formed with the alarm through towards the elastic holding section of described alarm from the outside of described alarm switch housing with through
Hole,
From the outside of described alarm switch housing, the extracting tool such as tinsel or elongated driver is inserted into described alarm with passing through
Through hole makes described alarm elastic holding section elastic deformation, it is possible to release the elastic holding section of this alarm with described engage dash forward
The engaging in the portion of rising.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015106389A JP6613622B2 (en) | 2015-05-26 | 2015-05-26 | Circuit breaker |
| JP2015-106389 | 2015-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106206181A true CN106206181A (en) | 2016-12-07 |
| CN106206181B CN106206181B (en) | 2018-11-06 |
Family
ID=57453255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610132681.6A Active CN106206181B (en) | 2015-05-26 | 2016-03-09 | Circuit-breaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6613622B2 (en) |
| CN (1) | CN106206181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847624A (en) * | 2017-03-27 | 2017-06-13 | 深圳市科信通信技术股份有限公司 | A kind of on off state alarm monitoring method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786885A (en) * | 1987-12-16 | 1988-11-22 | General Electric Company | Molded case circuit breaker shunt trip unit |
| CN1366695A (en) * | 2000-03-15 | 2002-08-28 | 通用电气公司 | Accessory and recess indentification system for cirucit breakers |
| JP2002298717A (en) * | 2001-03-30 | 2002-10-11 | Fuji Electric Co Ltd | Attached switch device for circuit breaker |
| CN1661749A (en) * | 2004-02-24 | 2005-08-31 | 三菱电机株式会社 | Attatchment of loop breaker |
| CN201112295Y (en) * | 2007-08-10 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary alarming contact for low pressure breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928079A (en) * | 1988-07-25 | 1990-05-22 | Westinghouse Electric Corp. | Circuit breaker auxiliary switch assembly |
| JPH11185589A (en) * | 1997-12-25 | 1999-07-09 | Hitachi Ltd | Circuit breaker and its inside accessories |
-
2015
- 2015-05-26 JP JP2015106389A patent/JP6613622B2/en active Active
-
2016
- 2016-03-09 CN CN201610132681.6A patent/CN106206181B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786885A (en) * | 1987-12-16 | 1988-11-22 | General Electric Company | Molded case circuit breaker shunt trip unit |
| CN1366695A (en) * | 2000-03-15 | 2002-08-28 | 通用电气公司 | Accessory and recess indentification system for cirucit breakers |
| JP2002298717A (en) * | 2001-03-30 | 2002-10-11 | Fuji Electric Co Ltd | Attached switch device for circuit breaker |
| CN1661749A (en) * | 2004-02-24 | 2005-08-31 | 三菱电机株式会社 | Attatchment of loop breaker |
| CN201112295Y (en) * | 2007-08-10 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary alarming contact for low pressure breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6613622B2 (en) | 2019-12-04 |
| CN106206181B (en) | 2018-11-06 |
| JP2016219375A (en) | 2016-12-22 |
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Address after: Saitama Prefecture, Japan Patentee after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Tokyo, Japan Patentee before: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. |
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