CN206727035U - Dc circuit breaker - Google Patents
Dc circuit breaker Download PDFInfo
- Publication number
- CN206727035U CN206727035U CN201720336306.3U CN201720336306U CN206727035U CN 206727035 U CN206727035 U CN 206727035U CN 201720336306 U CN201720336306 U CN 201720336306U CN 206727035 U CN206727035 U CN 206727035U
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- light emitting
- emitting diode
- circuit breaker
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Abstract
A kind of dc circuit breaker, including base, two binding posts being connected respectively with the both positive and negative polarity of power supply are installed on base, instruction device is also equipped with base, described instruction device includes light emitting diode, the two poles of the earth of the light emitting diode are connected by two binding posts with the both positive and negative polarity of power supply respectively so that when dc circuit breaker presses different polarity wiring, light emitting diode can light or not light.The utility model can indicate the instruction device of breaker connection state by being installed on base, and utilize the characteristic of light emitting diode one-way conduction, both lumination of light emitting diode then represented that breaker connection was correct, light emitting diode is not luminous then to represent breaker connection mistake, so as to it is simple clearly prompted user whether correct wiring so that the breaking function of breaker is ensured.
Description
Technical field
Low Voltage Electrical Apparatus is the utility model is related to, particularly a kind of dc circuit breaker.
Background technology
Existing dc circuit breaker needs with power supply "+", power supply "-" by polarity correct wiring when mounted, if reversed
Electric life, the breaking capacity of breaker will be seriously reduced, endangers circuit and equipment.Dc circuit breaker is by polarity wiring at present
When, mainly identified by "+", "-" of the bat printing on the shell of breaker to instruct user to carry out wiring, but for mark
It is used to refer to connect power supply "+", "-", or instructs to connect load "+", "-", user easily obscures when in use, if there is connecing
Line mistake, and breaker can not give a warning again, user is difficult to find wiring error, once in breaker in normal operation feelings
When occurring short circuit current failure under condition in its circuit, can seriously endanger equipment causes purpose of breaker failure.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, there is provided it is a kind of it is simple in construction, have indicator function,
Safe and reliable dc circuit breaker.
To achieve the above object, the utility model employs following technical scheme：
A kind of dc circuit breaker, including base 1, are provided with two to be connected respectively with the both positive and negative polarity of power supply on base 1
Individual binding post 8, is also equipped with instruction device 10 on base 1, and described instruction device 10 includes light emitting diode 102, institute
The two poles of the earth for stating light emitting diode 102 are connected by two binding posts 8 with the both positive and negative polarity of power supply respectively so that dc circuit breaker
During by different polarity wiring, light emitting diode 102 can light or not light.
Optionally, handle 2, operating mechanism 3, moving contact 4 and static contact 5, described hand are also equipped with described base 1
Handle 2 drives moving contact 4 to contact or separate so as to realize the break-make of circuit, described instruction dress with static contact 5 by operating mechanism 3
10 are put to be arranged on handle 2 relative to the side of operating mechanism 3 and be disposed adjacent with the side wall of base 1.
Optionally, a pole of the light emitting diode 102 and the phase of terminal plate 81 of the binding post 8 positioned at the side of base 1
Connection, the wiring of arc striking piece 9 and bimetal leaf 11 and binding post 8 positioned at base 1 opposite side of another pole by breaker
Plate 81 is connected so as to form loop.
Optionally, described instruction device 10 also includes multiple resistance in wiring board 101 and integrated assist side 101
103rd, positive terminal pad 104 and negative terminal pad 105, described light emitting diode 102 and multiple resistance 103 are sequentially connected in series to be welded in positive pole
Between disk 104 and negative terminal pad 105, two binding posts 8 pass through wire 12 and positive terminal pad 104 and negative terminal pad 105 respectively
It is connected.
Optionally, including four resistance 103, described positive terminal pad 104 and negative terminal pad 105 are separately positioned on wiring board
The both sides of 101 bottoms, described light emitting diode 102 are arranged on the top of negative terminal pad 105, and two resistance 103 are disposed in parallel in
The top of positive terminal pad 104, two other resistance 103 is disposed in parallel between positive terminal pad 104 and negative terminal pad 105, described
Negative terminal pad 105 by pass through successively the wires 12 of magnetictrip 6 and arc-chutes 7 in a welding manner with the phase of arc striking piece 9
Connection, and be connected by arc striking piece 9 and bimetal leaf 11 with the terminal plate 81 of the binding post 8 close to the side of moving contact 4, institute
The positive terminal pad 104 stated passes through the wiring with the remote side of moving contact 4 in a welding manner of the wire 12 by magnetictrip 6
The terminal plate 81 of terminal 8 is connected.
Optionally, the indication window 13 being correspondingly arranged with light emitting diode 102 is provided with the side wall of base 1.
Optionally, magnetictrip 6 and arc-chutes 7, the described He of magnetictrip 6 are also equipped with described base 1
Arc-chutes 7 are successively set on the lower section of handle 2, and described static contact 5 is between magnetictrip 6 and arc-chutes 7 and with moving
Contact 4 is oppositely arranged, the both ends of the coil 61 being wound on magnetictrip 6 respectively with the terminals away from the side of moving contact 4
The terminal plate 81 of son 8 is connected with static contact 5.
Optionally, described bimetal leaf 11 is located at moving contact 4 and between the binding post 8 of the side of moving contact 4, and
And terminal plate 81 of the both ends of bimetal leaf 11 respectively with moving contact 4 and the binding post 8 is connected, described arc striking piece 9 prolongs
Extend the lower section of arc-chutes 7.
Optionally, described operating mechanism 3 includes U-shaped lever 31, tripping 32, lock 33, contact support 34, the and of lever 35
Drive link 36, described contact support 34 and lever 35 be articulated in respectively on base 1, described lever 35 by excess of stroke torsion spring with
Contact supports that 34 are connected, and described excess of stroke torsion spring can provide elastic contact force, described lock for the closure of dynamic/static contact
33 and tripping 32 be articulated on lever 35 and overlap cooperation so as to form releasably engageable mechanical locking structure, described tripping 32 is logical
Cross that U-shaped lever 31 and handle 2 are be hinged, the transmission of described drive link 36 be arranged on the end of lock 33 and with the phase of bimetal leaf 11
To setting.
Optionally, described arc striking piece 9 includes connecting plate 91, limiting plate 92, swash plate 93 and the slide plate 94 being sequentially connected,
Connecting plate 91 be connected with bimetal leaf 11, described swash plate 93 respectively with limiting plate 92 and slide plate 94 is at an angle to each other sets
Put so as to form bending structure, described slide plate 94 is located at the bottom of the arc-chutes 7 of breaker and extends to the bottom of arc-chutes 7
The side at end.
Dc circuit breaker of the present utility model can indicate that the instruction of breaker connection state fills by being installed on base
Put, and utilize the characteristic of light emitting diode one-way conduction, both lumination of light emitting diode then represented that breaker connection was correct, luminous two
Pole pipe is not luminous then to represent breaker connection mistake, so as to it is simple clearly prompted user whether correct wiring so that open circuit
The breaking function of device is ensured.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of instruction device of the present utility model.
Embodiment
Embodiment of the present utility model is provided below in conjunction with accompanying drawing 1 to 2, further illustrates direct current interruption of the present utility model
Implement body embodiment.Dc circuit breaker of the present utility model is not limited to the following description.
As shown in figure 1, dc circuit breaker of the present utility model includes base 1, two binding posts are installed on base 1
8, the both sides that described two binding posts 8 are separately positioned on base 1 are used to be connected with the both positive and negative polarity of power supply, on base 1
Instruction device 10 is also equipped with, described instruction device 10 includes light emitting diode 102, the two poles of the earth of the light emitting diode 102
Be connected respectively by two binding posts 8 with the both positive and negative polarity of power supply so that dc circuit breaker when by different polarity wiring,
Light emitting diode 102 can light or not light to prompt the state of breaker after terminal block.Specifically, light emitting diode
102 pole is connected with the terminal plate 81 of the binding post 8 positioned at the side of base 1, the arc striking piece 9 that another pole passes through breaker
It is connected with bimetal leaf 11 with the terminal plate 81 of the binding post 8 positioned at the opposite side of base 1 so as to form loop, so as to avoid
Moving contact 4 and static contact 5, ensure that breaker realizes the characteristic of its defencive function.The utility model on base 1 by pacifying
Dress can indicate the instruction device 10 of breaker connection state, and using the characteristic of the one-way conduction of light emitting diode 102, both send out
Optical diode 102 is luminous then to represent that breaker connection is correct, and light emitting diode 102 is not luminous then to represent breaker connection mistake,
So as to it is simple clearly prompted user whether correct wiring so that the breaking function of breaker is ensured.Certainly, easily
It is contemplated that can also be by using different mode of connections so that light emitting diode 102 is luminous then to represent that breaker connection is wrong
By mistake, light emitting diode 102 is not luminous then represents that breaker connection is correct.
Taken off as shown in figure 1, being also equipped with handle 2, operating mechanism 3, moving contact 4, static contact 5, electromagnetism on described base 1
Device 6 and arc-chutes 7 are detained, described handle 2 drives moving contact 4 to contact or separate so as to realize with static contact 5 by operating mechanism 3
The break-make of circuit.Specifically, described magnetictrip 6 and arc-chutes 7 is successively set on the lower section of handle 2, described stationary contact
First 5 are oppositely arranged between magnetictrip 6 and arc-chutes 7 and with moving contact 4, the coil being wound on magnetictrip 6
61 both ends are connected for conduction, institute with the terminal plate 81 and static contact 5 of the binding post 8 away from the side of moving contact 4 respectively
The bimetal leaf 11 stated is located at moving contact 4 and between the binding post 8 of the side of moving contact 4, and the two of bimetal leaf 11
End is connected with the terminal plate 81 of moving contact 4 and the binding post 8 respectively extends to arc extinguishing for conduction, described arc striking piece 9
The lower section of room 7 is used for striking, when breaker accesses circuit and when closing, electric current pass sequentially through the side of base 1 binding post 8,
Bimetal leaf 11, moving contact 4, static contact 5, the binding post 8 of coil 61 and the opposite side of base 1 form loop.
Described operating mechanism 3 includes U-shaped lever 31, tripping 32, lock 33, contact support 34, lever 35 and drive link
36, described contact support 34 and lever 35 are articulated on base 1 respectively, and described lever 35 passes through excess of stroke torsion spring and contact branch
Hold 34 to be connected, described excess of stroke torsion spring can provide elastic contact force, described lock 33 and jump for the closure of dynamic/static contact
Button 32 is articulated on lever 35 and overlaps cooperation so as to form releasably engageable mechanical locking structure, and described tripping 32 passes through U-shaped
Lever 31 is be hinged with handle 2, and the transmission of described drive link 36 is arranged on the end of lock 33 and is oppositely arranged with bimetal leaf 11.
Specifically, lock 33 is oppositely arranged so that when occurring short trouble in circuit with magnetictrip 6, the rank of magnetictrip 6
Iron can eject in the presence of the electromagnetic force of coil 61 and hit behaviour's lock 33 lock 33 is unlocked with tripping 32 disconnected so as to make
Road device instantaneous trip；When occurring overload fault in circuit, overload current makes the heating bending of bimetal leaf 11, described bimetallic
Piece 11 can be such that lock 33 is unlocked with tripping 32 so that breaker delayed releasing by drive link 36.
As shown in Fig. 2 a specific embodiment of the instruction device 10 in the utility model, described instruction device 10 are set
Put and be disposed adjacent in handle 2 relative to the side of operating mechanism 3 and with the side wall of base 1, instruction device 10 is arranged on handle
2 opposite side, the structure of existing breaker will not only be had an impact, and be also convenient for wiring, instruction device 10 includes line
Light emitting diode 102 on road plate 101 and integrated assist side 101, multiple resistance 103 for current limliting, positive terminal pad 104
With negative terminal pad 105, described light emitting diode 102 and multiple resistance 103 are sequentially connected in series in positive terminal pad 104 and negative terminal pad
Between 105, the terminal plates 81 of two binding posts 8 respectively by wire 12 in a welding manner with positive terminal pad 104 and negative pole
Pad 105 is connected so as to form loop.
Specifically, including four resistance 103, described positive terminal pad 104 and negative terminal pad 105 are separately positioned on wiring board
The both sides of 101 bottoms, described light emitting diode 102 are arranged on the top of negative terminal pad 105, and two resistance 103 are disposed in parallel in
The top of positive terminal pad 104, two other resistance 103 are disposed in parallel between positive terminal pad 104 and negative terminal pad 105, positive pole
104, four resistance 103 of pad, light emitting diode 102 and negative terminal pad 105 successively by polarity series connection assist side 101 on formed
Series circuit, and negative terminal pad 105 by passing through the wire 12 of magnetictrip 6 and arc-chutes 7 in a welding manner successively
It is connected with arc striking piece 9, and passes through arc striking piece 9 and the terminal plate of bimetal leaf 11 and the binding post 8 close to the side of moving contact 4
81 are connected, positive terminal pad 104 by the wire 12 by magnetictrip 6 in a welding manner with away from the side of moving contact 4
The terminal plate 81 of binding post 8 be connected, when breaker accesses circuit and disconnects, electric current passes sequentially through the side of base 1
Binding post 8, bimetal leaf 11, arc striking piece 9, wire 12, instruction device 10, the binding post 8 of wire 12 and the opposite side of base 1
Loop is formed, when dc circuit breaker presses polarity correct wiring, in the case where not closing a floodgate, light emitting diode 102 is in positive electricity
Turn on and lighted for prompting terminal block correct in the presence of pressure；When dc circuit breaker reversed polarity false wiring, for not
In the case of combined floodgate, light emitting diode 102 ends in the presence of backward voltage not to light for prompting terminal block mistake, this
When then need will power supply "+", access dc circuit breaker makes the normal luminous of light emitting diode 102 after "-" polarity is exchanged, could be normal
Use.Especially, the indication window 13 being correspondingly arranged with light emitting diode 102 is provided with the side wall of base 1 and is used for convenient use
Whether family observation light emitting diode 102 lights.Certainly, it is contemplated that instruction device 10 in the utility model can be with
It is connected by way of welding with other parts for power taking, such as coil 61 and bimetal leaf 11, as long as can be for
The power supply of light emitting diode 102 is given, reaches the purpose of instruction.The utility model passes through the terminal plate 101 in instruction device 10
The upper series circuit for setting weldering light emitting diode 102, it is strong not only to assemble simple and practical property, and can quickly realize to breaker
Whether wiring correctly judge, securely and reliably.
Described arc striking piece 9 includes the connecting plate 91, limiting plate 92, swash plate 93 and the slide plate 94 that are sequentially connected, company
Fishplate bar 91 is connected with bimetal leaf 11 for the connective stability for ensureing bimetal leaf 7, described swash plate 93 respectively with it is spacing
So as to form bending structure, described slide plate 94 is located at the bottom of arc-chutes 7 simultaneously for plate 92 and the setting at an angle to each other of slide plate 94
And the side for extending to the bottom of arc-chutes 7 is used for striking.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of dc circuit breaker, including base (1), are provided with what is be connected respectively with the both positive and negative polarity of power supply on base (1)
Two binding posts (8), it is characterised in that：Instruction device (10), described instruction device (10) are also equipped with base (1)
Including light emitting diode (102), the two poles of the earth of the light emitting diode (102) pass through two binding posts (8) and power supply respectively
Both positive and negative polarity is connected.
2. dc circuit breaker according to claim 1, it is characterised in that：Handle is also equipped with described base (1)
(2), operating mechanism (3), moving contact (4) and static contact (5), described handle (2) drive moving contact by operating mechanism (3)
(4) contact or separate with static contact (5) so as to realize the break-make of circuit, described instruction device (10) is arranged on handle (2) phase
Side for operating mechanism (3) is simultaneously disposed adjacent with the side wall of base (1).
3. dc circuit breaker according to claim 1, it is characterised in that：A pole and position for the light emitting diode (102)
It is connected in the terminal plate (81) of the binding post (8) of base (1) side, another pole passes through the arc striking piece (9) of breaker and double
Sheet metal (11) is connected so as to form loop with the terminal plate (81) of the binding post (8) positioned at base (1) opposite side.
4. dc circuit breaker according to claim 1, it is characterised in that：Described instruction device (10) also includes wiring board
(101) multiple resistance (103), positive terminal pad (104) and negative terminal pad (105) and in integrated assist side (101), it is described
Light emitting diode (102) and multiple resistance (103) be sequentially connected in series between positive terminal pad (104) and negative terminal pad (105), two
Individual binding post (8) is connected by wire (12) with positive terminal pad (104) and negative terminal pad (105) respectively.
5. dc circuit breaker according to claim 4, it is characterised in that：Including four resistance (103), the weldering of described positive pole
Disk (104) and negative terminal pad (105) are separately positioned on the both sides of wiring board (101) bottom, and described light emitting diode (102) is set
Put above negative terminal pad (105), two resistance (103) are disposed in parallel in the top of positive terminal pad (104), two other resistance
(103) it is disposed in parallel between positive terminal pad (104) and negative terminal pad (105)；
Described negative terminal pad (105) by passing through the wire (12) of magnetictrip (6) and arc-chutes (7) with welding successively
Mode is connected with arc striking piece (9), and passes through arc striking piece (9) and bimetal leaf (11) and the wiring close to moving contact (4) side
The terminal plate (81) of terminal (8) is connected, and described positive terminal pad (104) passes through the wire (12) by magnetictrip (6)
The terminal plate (81) with the binding post (8) away from moving contact (4) side is connected in a welding manner.
6. dc circuit breaker according to claim 1 or 2, it is characterised in that：It is provided with the side wall of base (1) with lighting
The indication window (13) that diode (102) is correspondingly arranged.
7. dc circuit breaker according to claim 2, it is characterised in that：Electromagnetism is also equipped with described base (1) to take off
Device (6) and arc-chutes (7) are detained, described magnetictrip (6) and arc-chutes (7) are successively set on the lower section of handle (2), described
Static contact (5) be located between magnetictrip (6) and arc-chutes (7) and be oppositely arranged with moving contact (4), be wound on electromagnetism and take off
Detain the both ends of the coil (61) on device (6) respectively with the terminal plate (81) of the binding post (8) away from moving contact (4) side and quiet
Contact (5) is connected.
8. dc circuit breaker according to claim 3, it is characterised in that：Described bimetal leaf (11) is located at moving contact
(4) close to moving contact (4) side binding post (8) between, and the both ends of bimetal leaf (11) respectively with moving contact (4)
It is connected with the terminal plate (81) of the binding post (8), described arc striking piece (9) extends to the lower section of arc-chutes (7).
9. dc circuit breaker according to claim 2, it is characterised in that：Described operating mechanism (3) includes U-shaped lever
(31), tripping (32), lock (33), contact support (34), lever (35) and drive link (36), described contact support (34) and
Lever (35) is articulated on base (1) respectively, and described lever (35) supports (34) to be connected by excess of stroke torsion spring with contact, institute
The excess of stroke torsion spring stated can provide elastic contact force for the closure of dynamic/static contact, and described lock (33) and tripping (32) are articulated in
On lever (35) and cooperation is overlapped so as to form releasably engageable mechanical locking structure, and described tripping (32) passes through U-shaped lever
(31) it is be hinged with handle (2), described drive link (36) transmission be arranged on the end of lock (33) and with bimetal leaf (11) phase
To setting.
10. dc circuit breaker according to claim 3, it is characterised in that：Described arc striking piece (9) includes what is be sequentially connected
Connecting plate (91), limiting plate (92), swash plate (93) and slide plate (94), connecting plate (91) be connected with bimetal leaf (11)
Connect, described swash plate (93) is respectively with the setting at an angle to each other of limiting plate (92) and slide plate (94) so as to form bending structure, institute
The slide plate (94) stated is located at the bottom of the arc-chutes (7) of breaker and extends to the side of arc-chutes (7) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336306.3U CN206727035U (en) | 2017-03-31 | 2017-03-31 | Dc circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336306.3U CN206727035U (en) | 2017-03-31 | 2017-03-31 | Dc circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727035U true CN206727035U (en) | 2017-12-08 |
Family
ID=60502969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720336306.3U Active CN206727035U (en) | 2017-03-31 | 2017-03-31 | Dc circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206727035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127220A1 (en) * | 2020-12-14 | 2022-06-23 | 苏州幕特克自动化设备有限公司 | Air switch having indication screen |
-
2017
- 2017-03-31 CN CN201720336306.3U patent/CN206727035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127220A1 (en) * | 2020-12-14 | 2022-06-23 | 苏州幕特克自动化设备有限公司 | Air switch having indication screen |
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