CN205863109U - The galvanic circle of chopper - Google Patents
The galvanic circle of chopper Download PDFInfo
- Publication number
- CN205863109U CN205863109U CN201620706555.2U CN201620706555U CN205863109U CN 205863109 U CN205863109 U CN 205863109U CN 201620706555 U CN201620706555 U CN 201620706555U CN 205863109 U CN205863109 U CN 205863109U
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- contact
- moving contact
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Abstract
This utility model discloses the galvanic circle of a kind of chopper, including: the first sets of contacts and the second sets of contacts.First sets of contacts includes the first static contact and the first moving contact, and the first static contact is connected to end of incoming cables.Second sets of contacts includes the second static contact and the second moving contact.Wherein, the first moving contact and the second moving contact are conductively connected, and the second static contact is connected to electrical apparatus release, and electrical apparatus release is connected to leading-out terminal.Multiple moving contacts are conductively connected by the galvanic circle of chopper of the present utility model, and multiple moving contact is co-axially mounted, and static contact is crossed over moving contact in the case of guaranteeing insulation and is connected with leading-out terminal.Make chopper compact overall structure, take up room little on the premise of make end of incoming cables and leading-out terminal can be distributed in both sides, it is simple to the wiring of chopper and other electrical equipments.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, more particularly, it relates in chopper multiple contacts cascade lead
Electricity loop.
Background technology
Along with photovoltaic generation industry is increasingly tighter to the control of input cost, header box, inverter apparatus manufacturer are to equipment
Cost control harsher, the development trend of existing market is to improve system voltage to reduce equipment manufacturing cost cost, one
Individual universal common recognition is that photovoltaic system voltage will bring up to DC1500V from existing DC1000V from now on.DC1500V will become modern
The main flow rated voltage of rear photovoltaic system.Along with the raising of rated voltage, the device for switching supporting with photovoltaic system, such as open circuit
The rated voltage of device is also required to be correspondingly improved.The photovoltaic special DC breaker of plastic casing possessing DC1500V rated voltage should
It it is the main product of following photovoltaic industry demand.
In order to realize the short circuit breaking capacity under high voltage-rated, generally improve the rated operational voltage of dc circuit breaker
The settling mode used is the mode using outside cascade, provides multibreak by the contact of multiple cascades, higher to realize
Running voltage.But the contact of multiple cascades can increase small product size so that external cabling is loaded down with trivial details, improve product cost and assembling
Operation.More importantly, the mode using multiple contact to cascade, need to change end of incoming cables and the position of leading-out terminal so that disconnected
Road device is more complicated with coordinating of other electrical equipments.
Utility model content
The utility model proposes the galvanic circle of a kind of chopper, including: the first sets of contacts and the second sets of contacts.First touches
Head group includes the first static contact and the first moving contact, and the first static contact is connected to end of incoming cables.Second sets of contacts includes the second stationary contact
Head and the second moving contact.Wherein, the first moving contact and the second moving contact are conductively connected, and the second static contact is connected to electrical apparatus release, de-
Button device is connected to leading-out terminal.
In one embodiment, the first sets of contacts and the second sets of contacts are co-axially mounted, the first moving contact and the second moving contact
It is arranged in same rotating shaft.
In one embodiment, end of incoming cables is positioned at the first side of rotating shaft, the position, contact of the first static contact and the first moving contact
The first side in rotating shaft.The contact of the second static contact and the second moving contact is positioned at the first side of rotating shaft.Leading-out terminal is positioned at rotating shaft
Second side, the second static contact walks around the second moving contact and extends to the second side of rotating shaft from the first side of rotating shaft, the second static contact with
Second moving contact is dielectrically separated from.
In one embodiment, the second static contact is walked around from the lower section of the second moving contact, moves at the second static contact and second
Have between contact and be dielectrically separated from parts.
In one embodiment, have between the second moving contact and electrical apparatus release and be dielectrically separated from parts.
This utility model also proposes the galvanic circle of a kind of chopper, including: the first loop and second servo loop.First loop
Including the first end of incoming cables, the first sets of contacts, the second sets of contacts, the first electrical apparatus release and the first leading-out terminal.First sets of contacts includes
One static contact and the first moving contact, the first static contact is connected to the first end of incoming cables.Second sets of contacts includes the second static contact and
Two moving contacts；First moving contact and the second moving contact are conductively connected, and the second static contact is connected to the first electrical apparatus release, the first electrical apparatus release
It is connected to the first leading-out terminal.Second servo loop includes the second end of incoming cables, the 3rd sets of contacts, the second electrical apparatus release and the second leading-out terminal.The
Three sets of contacts include that the 3rd static contact and the 3rd moving contact, the 3rd static contact are connected to the 3rd end of incoming cables, and the 3rd moving contact connects
To the second electrical apparatus release, the second electrical apparatus release is connected to the second leading-out terminal.
In one embodiment, the first sets of contacts, the second sets of contacts and the 3rd sets of contacts are co-axially mounted, the first moving contact,
Second moving contact and the 3rd moving contact are arranged in same rotating shaft.
In one embodiment, the first end of incoming cables is positioned at touching of the first side of rotating shaft, the first static contact and the first moving contact
Point is positioned at the first side of rotating shaft.The contact of the second static contact and the second moving contact is positioned at the first side of rotating shaft.First leading-out terminal position
In the second side of rotating shaft, the second static contact is walked around the second moving contact and is extended to the second side of rotating shaft from the first side of rotating shaft, and second
Static contact and the second moving contact are dielectrically separated from.
In one embodiment, the second static contact is walked around from the lower section of the second moving contact, moves at the second static contact and second
Have between contact and be dielectrically separated from parts.
In one embodiment, have between the second moving contact and the second electrical apparatus release and be dielectrically separated from parts.
Multiple moving contacts are conductively connected by the galvanic circle of chopper of the present utility model, and multiple moving contact is coaxially pacified
Dress, static contact is crossed over moving contact in the case of guaranteeing insulation and is connected with leading-out terminal.Making chopper compact overall structure, accounting for
With space little on the premise of make end of incoming cables and leading-out terminal can be distributed in both sides, it is simple to chopper connects with other electrical equipments
Line.
Accompanying drawing explanation
The above and other feature of this utility model, character and advantage by by below in conjunction with the accompanying drawings with embodiment
Describing and become apparent, the most identical reference represents identical feature all the time, wherein:
Fig. 1 discloses the structure chart of the galvanic circle according to an embodiment of the present utility model.
Fig. 2 discloses the structure chart of the second static contact in the galvanic circle according to an embodiment of the present utility model.
Fig. 3 discloses the structure chart of the second sets of contacts in the galvanic circle according to an embodiment of the present utility model.
Fig. 4 a, Fig. 4 b and Fig. 4 c disclose the second sets of contacts in the galvanic circle according to an embodiment of the present utility model
The schematic diagram of insulation isolation structure.
Fig. 5 a and Fig. 5 b discloses the circuit diagram of the galvanic circle according to an embodiment of the present utility model.
Detailed description of the invention
The utility model proposes the galvanic circle of a kind of chopper, including: the first sets of contacts and the second sets of contacts.First touches
Head group includes the first static contact and the first moving contact, and the first static contact is connected to end of incoming cables.Second sets of contacts, the second sets of contacts bag
Include the second static contact and the second moving contact.First moving contact and the second moving contact are conductively connected, and the second static contact is connected to thread off
Device, electrical apparatus release is connected to leading-out terminal.First sets of contacts and the second sets of contacts are co-axially mounted, the first moving contact and the second moving contact peace
It is contained in same rotating shaft.End of incoming cables is positioned at the first side of rotating shaft, and the contact of the first static contact and the first moving contact is positioned at rotating shaft
First side.The contact of the second static contact and the second moving contact is positioned at the first side of rotating shaft.Leading-out terminal is positioned at the second side of rotating shaft, the
Two static contacts are walked around the second moving contact and are extended to the second side of rotating shaft, the second static contact and the second moving contact from the first side of rotating shaft
It is dielectrically separated from.Second static contact is walked around from the lower section of the second moving contact, has absolutely between the second static contact and the second moving contact
Edge isolated part.Have between second moving contact and electrical apparatus release and be dielectrically separated from parts.
Fig. 1 discloses the structure chart of the galvanic circle according to an embodiment of the present utility model.Fig. 1 discloses at chopper
A kind of arrangement during middle application galvanic circle of the present utility model.As it can be seen, the galvanic circle of this chopper includes: the
Primary Ioops and second servo loop.First loop includes first end of incoming cables the 101, first sets of contacts, the second sets of contacts, the first electrical apparatus release
104 and first leading-out terminal 105.First sets of contacts includes the first static contact 121 and the first moving contact 122.First static contact 121 is even
Receive the first end of incoming cables 101.Second sets of contacts includes the second static contact 131 and the second moving contact 132.First moving contact 122 He
Second moving contact 132 is conductively connected.Herein, it is conductively connected and refers to the first moving contact 122 and the second moving contact 132 electrically conducting.
In various embodiments, the first moving contact 122 and the second moving contact 132 can by being flexible coupling, Hard link or be flexible coupling
Electrically conducting is realized with hardwired combination application.Second static contact 131 is connected to the first electrical apparatus release 104, the first electrical apparatus release
104 are connected to the first leading-out terminal 105.Second servo loop includes the second end of incoming cables 201, the 3rd sets of contacts, the second electrical apparatus release 204 and
Two leading-out terminals 205.3rd sets of contacts includes the 3rd static contact 221 and the 3rd moving contact 222, and the 3rd static contact 221 is connected to
Three ends of incoming cables 201, the 3rd moving contact 222 is connected to the second electrical apparatus release 204, and the second electrical apparatus release 204 is connected to the second leading-out terminal.
With continued reference to shown in Fig. 1, the first sets of contacts, the second sets of contacts and the 3rd sets of contacts are co-axially mounted.Specifically, same
Axle is installed and is referred to that first moving contact the 122, second moving contact 132 and the 3rd moving contact 222 are arranged in same rotating shaft.It is co-axially mounted
Advantage be to save installing space so that the structure of sets of contacts is compacter.It should be noted that coaxial peace herein
Dress refers to that first moving contact the 122, second moving contact 132 and the 3rd moving contact 222 share same rotating shaft, but the first moving contact 122,
Second moving contact 132 and the 3rd moving contact 222 are respective independent rotation works, and non-interference.When action, first is dynamic tactile
The 122, second moving contact 132 and the 3rd moving contact 222 are the most independent, it is possible to the most independently close or beat
Open.
First end of incoming cables 101 is positioned at the first side of rotating shaft, and in the illustrated embodiment, the first side of rotating shaft is the right side of diagram
Side, the second side of rotating shaft is the left side of diagram.The contact of the first static contact 121 and the first moving contact 122 is positioned at the first of rotating shaft
Side.The contact of the first static contact 121 and the first moving contact 122 is silver point.Touching of second static contact 131 and the second moving contact 132
Point is positioned at the first side of rotating shaft.The contact of the second static contact 131 and the second moving contact 132 is silver point.First leading-out terminal 105 and
One electrical apparatus release 104 is positioned at the second side of rotating shaft.Due to the touching of the second static contact 131 and the second moving contact 132 in the second sets of contacts
The point leading-out terminal (leading-out terminal of second static contact) final with the second sets of contacts lays respectively at the both sides of rotating shaft, therefore the second stationary contact
131 need to walk around the second moving contact 132 (the second moving contact 132 is mounted in rotating shaft), extend to from the first side of rotating shaft
Second side of rotating shaft.Owing to the second static contact 131 is to bypass the second moving contact 132, it is therefore desirable at the second static contact and second
It is dielectrically separated between moving contact, it is to avoid both directly conductings.
In the illustrated embodiment, the second static contact 131 is walked around from the lower section of the second moving contact 132, at the second static contact
131 and second have between moving contact 132 and are dielectrically separated from parts.Fig. 2, Fig. 3, Fig. 4 a, Fig. 4 b and Fig. 4 c discloses the second contact
The structure organized and the mode being dielectrically separated from.With reference first to shown in Fig. 2, Fig. 2 discloses according to an embodiment of the present utility model
Galvanic circle in the structure chart of the second static contact.As in figure 2 it is shown, the main body of the second static contact 131 is recessed busbar, under
Recessed part is positioned at the lower section of moving contact 132 so that the second static contact 131 can be walked around from the lower section of the second moving contact 132.The
Having contact 301 on first end (left-hand end shown in figure) of two static contacts 131, in one embodiment, this contact 301 is
Silver point.First end of the second static contact 131 stretches out and coordinates with the contact with the second moving contact 132.Second static contact 131
Second end and the first electrical apparatus release 104 connect, and the second end of the second static contact 131 has hole 302, and the first electrical apparatus release 104 passes through
Fixture and second static contact 131 of such as screw are fixed and connect.Bolt through holes 302 is also tightened so that the first electrical apparatus release
On 104 busbars being fixedly connected on the second static contact 131.Fig. 3 discloses the conduction according to an embodiment of the present utility model
The structure chart of the second sets of contacts in loop.Second static contact 131 and the second moving contact 132 are in the first side (left side shown in figure)
Form contact.Second static contact 131 is walked around from the lower section of the second moving contact 132, and the second end of the second static contact 131 and first takes off
Button device 104 connects.
Fig. 4 a, Fig. 4 b and Fig. 4 c disclose the second sets of contacts in the galvanic circle according to an embodiment of the present utility model
The schematic diagram of insulation isolation structure.Being dielectrically separated from of second sets of contacts includes two parts: the second static contact and the second moving contact
Between be dielectrically separated from, and being dielectrically separated between the second moving contact and the first electrical apparatus release.In one embodiment, second is quiet
Contact and the second moving contact utilize pedestal to be dielectrically separated from.Two grooves, the first of the second static contact 131 is had on pedestal 401
An end groove from which enters the inside of pedestal, the second end of the second static contact 131 another groove from which enters pedestal
Inside, the recessed portion of the busbar of the second static contact 131 then stays the outside of pedestal, and the partial shell 402 of pedestal is pressed from both sides
Between the second static contact 131 and the second moving contact 132, formation is dielectrically separated from.The two ends of the second static contact 131 enter into pedestal
Inside coordinates with moving contact and electrical apparatus release.In this embodiment, the housing of pedestal 401 self is quiet to second as isolated part
Contact and the second moving contact are dielectrically separated from.In one embodiment, the second moving contact and the first electrical apparatus release also utilize pedestal
It is dielectrically separated from.There is on pedestal 401 dividing plate 403, dividing plate 403 be arranged on the second moving contact 132 and the first electrical apparatus release 104 it
Between, both are dielectrically separated from.In this embodiment, the housing of pedestal 401 self also serve as isolated part to the second moving contact and
First electrical apparatus release is dielectrically separated from.
Return to Fig. 1, Fig. 1 illustrates the current path in this embodiment with block arrows line.Electricity due to second servo loop
Flow path is conventional path, is not the most labeled, and be labeled is the current path in the first loop.The electricity in the first loop
Flow path is as follows:
Electric current is entered (being labeled as 1) by the first end of incoming cables, is moved by the first static contact arrival first in the first sets of contacts
Contact (being labeled as 2), by the first moving contact (being labeled as 3), by the conduction between the first moving contact and the second moving contact lead to
Road is arrived the second moving contact (being labeled as 4), is arrived the second static contact (being labeled as 5) by the second moving contact, from the second static contact
Contact through recessed busbar arrive the second static contact the second end (being labeled as 6), from the second end of the second static contact to
Reach the first electrical apparatus release (being labeled as 7), arrived the first leading-out terminal (being labeled as 8) by the first electrical apparatus release, from the first leading-out terminal outflow
(being labeled as 9).
The electricity of the galvanic circle according to an embodiment of the present utility model is disclosed with reference to Fig. 5 a and Fig. 5 b, Fig. 5 a and Fig. 5 b
Road schematic diagram.Fig. 5 a is the circuit diagram in conventional art with two circuit chopper.As shown in Figure 5 a, in two loops
Each loop need to use two groups of sets of contacts, two loops amount to and need to use four groups of sets of contacts.Fig. 5 b is according to this reality
Circuit diagram with the galvanic circle of a novel embodiment.Galvanic circle of the present utility model only uses three groups of sets of contacts.
Owing to the volume of sets of contacts is relatively big, it is the parts that in chopper, volume is bigger, uses one group of sets of contacts significantly to contract less
The overall volume of little chopper.The width using the chopper of galvanic circle of the present utility model substantially can be contracted to use pass
The 3/4 of the chopper of the galvanic circle of dynamic technology.
Multiple moving contacts are conductively connected by the galvanic circle of chopper of the present utility model, and multiple moving contact is coaxially pacified
Dress, static contact is crossed over moving contact in the case of guaranteeing insulation and is connected with leading-out terminal.Making chopper compact overall structure, accounting for
With space little on the premise of make end of incoming cables and leading-out terminal can be distributed in both sides, it is simple to chopper connects with other electrical equipments
Line.
Above-described embodiment is available to be familiar with person in the art and realizes or use of the present utility model, is familiar with ability
The personnel in territory can in the case of without departing from utility model thought of the present utility model, above-described embodiment is made various modifications or
Change, thus protection domain of the present utility model is not limited by above-described embodiment, and should be to meet claims to mention
The maximum magnitude of inventive features.
Claims (10)
1. the galvanic circle of a chopper, it is characterised in that including:
First sets of contacts, the first sets of contacts includes the first static contact and the first moving contact, and the first static contact is connected to end of incoming cables；
Second sets of contacts, the second sets of contacts includes the second static contact and the second moving contact；Wherein,
First moving contact and the second moving contact are conductively connected, and the second static contact is connected to electrical apparatus release, and electrical apparatus release is connected to leading-out terminal.
2. the galvanic circle of chopper as claimed in claim 1, it is characterised in that described first sets of contacts and the second sets of contacts
Being co-axially mounted, the first moving contact and the second moving contact are arranged in same rotating shaft.
3. the galvanic circle of chopper as claimed in claim 2, it is characterised in that
End of incoming cables is positioned at the first side of rotating shaft, and the contact of the first static contact and the first moving contact is positioned at the first side of rotating shaft；
The contact of the second static contact and the second moving contact is positioned at the first side of rotating shaft；
Leading-out terminal is positioned at the second side of rotating shaft, and the second static contact is walked around the second moving contact and extended to rotating shaft from the first side of rotating shaft
Second side, the second static contact and the second moving contact are dielectrically separated from.
4. the galvanic circle of chopper as claimed in claim 3, it is characterised in that described second static contact is from the second moving contact
Lower section walk around, have between the second static contact and the second moving contact and be dielectrically separated from parts.
5. the galvanic circle of chopper as claimed in claim 3, it is characterised in that between described second moving contact and electrical apparatus release
Have and be dielectrically separated from parts.
6. the galvanic circle of a chopper, it is characterised in that including:
First loop, including the first end of incoming cables, the first sets of contacts, the second sets of contacts, the first electrical apparatus release and the first leading-out terminal,
First sets of contacts includes the first static contact and the first moving contact, and the first static contact is connected to the first end of incoming cables；
Second sets of contacts includes the second static contact and the second moving contact；First moving contact and the second moving contact are conductively connected, and second
Static contact is connected to the first electrical apparatus release, and the first electrical apparatus release is connected to the first leading-out terminal；
Second servo loop, including the second end of incoming cables, the 3rd sets of contacts, the second electrical apparatus release and the second leading-out terminal,
3rd sets of contacts includes the 3rd static contact and the 3rd moving contact, and the 3rd static contact is connected to the 3rd end of incoming cables, and the 3rd is dynamic tactile
Head is connected to the second electrical apparatus release, and the second electrical apparatus release is connected to the second leading-out terminal.
7. the galvanic circle of chopper as claimed in claim 6, it is characterised in that described first sets of contacts, the second sets of contacts
Being co-axially mounted with the 3rd sets of contacts, the first moving contact, the second moving contact and the 3rd moving contact are arranged in same rotating shaft.
8. the galvanic circle of chopper as claimed in claim 7, it is characterised in that
First end of incoming cables is positioned at the first side of rotating shaft, and the contact of the first static contact and the first moving contact is positioned at the first side of rotating shaft；
The contact of the second static contact and the second moving contact is positioned at the first side of rotating shaft；
First leading-out terminal is positioned at the second side of rotating shaft, and the second static contact is walked around the second moving contact and extended to from the first side of rotating shaft turn
Second side of axle, the second static contact and the second moving contact are dielectrically separated from.
9. the galvanic circle of chopper as claimed in claim 8, it is characterised in that described second static contact is from the second moving contact
Lower section walk around, have between the second static contact and the second moving contact and be dielectrically separated from parts.
10. the galvanic circle of chopper as claimed in claim 8, it is characterised in that described second moving contact and second is threaded off
Have between device and be dielectrically separated from parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706555.2U CN205863109U (en) | 2016-07-06 | 2016-07-06 | The galvanic circle of chopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620706555.2U CN205863109U (en) | 2016-07-06 | 2016-07-06 | The galvanic circle of chopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205863109U true CN205863109U (en) | 2017-01-04 |
Family
ID=57644628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620706555.2U Active CN205863109U (en) | 2016-07-06 | 2016-07-06 | The galvanic circle of chopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205863109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914109A (en) * | 2016-07-06 | 2016-08-31 | 上海电科电器科技有限公司 | Conductive loop of circuit breaker |
| CN107658194A (en) * | 2017-10-31 | 2018-02-02 | 德力西电气有限公司 | A kind of inside cascade structure for low-voltage direct breaker |
-
2016
- 2016-07-06 CN CN201620706555.2U patent/CN205863109U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914109A (en) * | 2016-07-06 | 2016-08-31 | 上海电科电器科技有限公司 | Conductive loop of circuit breaker |
| WO2018006770A1 (en) * | 2016-07-06 | 2018-01-11 | 上海电科电器科技有限公司 | Conductive loop of circuit breaker |
| CN105914109B (en) * | 2016-07-06 | 2018-09-04 | 上海电科电器科技有限公司 | The galvanic circle of breaker |
| CN107658194A (en) * | 2017-10-31 | 2018-02-02 | 德力西电气有限公司 | A kind of inside cascade structure for low-voltage direct breaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |