CN206516574U - The high-power relay with high insulating property of solar photovoltaic inverter - Google Patents
The high-power relay with high insulating property of solar photovoltaic inverter Download PDFInfo
- Publication number
- CN206516574U CN206516574U CN201720030989.XU CN201720030989U CN206516574U CN 206516574 U CN206516574 U CN 206516574U CN 201720030989 U CN201720030989 U CN 201720030989U CN 206516574 U CN206516574 U CN 206516574U
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- CN
- China
- Prior art keywords
- armature
- contact spring
- spring piece
- static contact
- insulating property
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of high-power relay with high insulating property of solar photovoltaic inverter, including base, coil, iron core, armature part, yoke, dynamic spring and quiet spring；Armature part is made up of armature, connection sheet and working of plastics, and armature and connection sheet connect integral by working of plastics in insert injection moulding mode, and armature and connection sheet are isolated in working of plastics interior insulation；Working of plastics, which is provided with, to be used for increasing at least one groove or at least one raised line of creep age distance between armature and connector；Quiet spring includes static contact spring piece, the static contact spring piece by for fix stationary contact the first connection part, be used as leading foot the second connection part and the first connection part and the second connection part between kink constitute, when static contact spring piece is arranged on base, kink is in the outside of the bottom plate of base.The utility model can either meet the requirement of high-power switching capability, and the requirement of high insulating property (high creep age distance) is disclosure satisfy that again, and good with arc quenching effect, simple in construction, the characteristics of easy to process.
Description
Technical field
The utility model is related to relay technical field, more particularly to a kind of high-power height of solar photovoltaic inverter
Insulating properties relay.
Background technology
With developing rapidly for solar photovoltaic industry, solar photovoltaic inverter it is also proposed with relay higher
It is required that, higher requirement particularly is proposed to relay load, needed according to market, it is necessary to develop a high-power relay
Device, its load voltage reaches 800Va.c., and switching electric current at least needs to reach 90A.Relay used needs to observe relevant criterion
While, also suitable creep age distance and electric clearance are set by actual use environment requirement (air pressure, pollution etc.), needed
The stabilization for having enough insulating properties to assure the safety for life and property of the people with electric property.
Existing solar photovoltaic inverter relay, generally uses clapper-type magnetic circuit, and the relay includes base, line
The part such as circle, iron core, armature, yoke, dynamic spring, quiet spring, coil is on base, and iron core is inserted in coil, and yoke configuration is online
At circle, armature then coordinates the knife-edge part in yoke, when coil working, and one end of armature is drawn to iron core and drives the dynamic of dynamic spring to touch
Point is in contact with the stationary contact of quiet spring.Existing this relay construction, switching load voltage is relatively low, it is impossible to meet high-power cut
The requirement of transducing power, on the other hand also can not directly meet the requirement of high insulating property (high creep age distance), its creep age distance without
Method meets the requirement under 800Va.c..
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and there is provided a kind of big work(of solar photovoltaic inverter
Rate relay with high insulating property, by the improvement of structure, can either meet the requirement of high-power switching capability, height is disclosure satisfy that again
The requirement of insulating properties (high creep age distance), and it is good with arc quenching effect, it is simple in construction, the characteristics of easy to process.
The utility model solves the technical scheme that its technical problem used：A kind of big work(of solar photovoltaic inverter
Rate relay with high insulating property, including base, coil, iron core, armature part, yoke, dynamic spring and quiet spring；The coil, iron core
Cooperate and be arranged on base with yoke；The armature part is L-type, and armature is fit partially within the knife-edge part of yoke, is held in the mouth
One side of iron part is connected with dynamic spring, and the another side of armature part is engaged with iron core；The armature part is by being used as armature
The armature of part another side, the connection sheet as armature part one side and working of plastics are constituted, armature and connection sheet respectively with plastics
Part is connected, and armature and connection sheet are isolated in working of plastics interior insulation；The working of plastics, which is provided with, to be used for increasing armature and connector
Between creep age distance at least one groove or at least one raised line；The quiet spring includes static contact spring piece, and the static contact spring piece is by for solid
Between the first connection part for determining stationary contact, the second connection part for being used as leading foot and the first connection part and the second connection part
Kink constitute, when static contact spring piece be arranged on base when, the kink is in the outside of the bottom plate of base.
The stationary contact is fixed on the inner side one side of the thickness direction of the first connection part of static contact spring piece, makes the sound contact
Cooperation position be in static contact spring piece kink top, so as to using produced by the electric current of the kink that flows through static contact spring piece
Magnetic field, in sound contact open position produce a upward electric power, to realize arc extinguishing.
The armature and connection sheet connect integral by working of plastics in insert injection moulding mode.
The base is provided with the neck for static contact spring piece described in clamp, the two of the width of the first connection part of the static contact spring piece
While being respectively equipped with convex portion, the static contact spring piece makes static contact spring piece by being engaged between the convex portion on both sides and the neck of base in interference
Fix on base.
The upper edge of the convex portion on the both sides of the width of the first connection part of the static contact spring piece is also set to inclined-plane, enables static contact spring piece
In base being injected from the outside of the bottom plate of base.
The bottom plate of the base, is additionally provided with to allow at the edge corresponding to the neck and is fixed on the first of static contact spring piece
The resigning portion that the stationary contact of socket part passes through.
The kink of described static contact spring piece is additionally provided with the through hole along thickness direction.
Second connection part of described static contact spring piece is set to bifurcation structure.
The groove or raised line of the working of plastics are the width settings along armature.
The dynamic spring includes movable contact spring, movable contact and pad, and the movable contact forms dynamic with pad by the way that riveting is mutually fixed
The connection sheet riveting of contact part, one end of the movable contact spring and the armature part is mutually fixed, and the other end of movable contact spring is with moving
Contact portion split-phase is fixed.
Two parts that the movable contact and pad are structure as a whole or separated.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model as a result of armature part is designed to by as armature part another side armature, as
The connection sheet and working of plastics on armature part one side are constituted, and armature and connection sheet connected by working of plastics in insert injection moulding mode
Integral, armature and connection sheet are isolated in working of plastics interior insulation, are provided with working of plastics and are used for increasing between armature and connector
At least one groove or at least one raised line of creep age distance；This structure of the present utility model, by armature portion insert
Injection position adds groove or raised line, in the case where ensureing insert injection moulding intensity, adds climbing between connection sheet and armature
Electrical distance, disclosure satisfy that product has larger creep age distance (representative products creep age distance reaches more than 12.5mm), simple in construction,
It is easy to process, it disclosure satisfy that the demand of high-voltage load.
2nd, the utility model is designed to by for fixing the first connection part of stationary contact, be used for as a result of by static contact spring piece
Constituted as the kink between the second connection part and the first connection part and the second connection part of leading foot, when static contact spring piece is installed
In base, the kink is in the outside of the bottom plate of base；This structure of the present utility model, ensure that and draw specific
In the case of going out placement of foot (leading foot spacing can be adjusted according to dogleg section), the splash of switching loading process directly falls
Fall on base, prevent splash directly drops from causing the resistance to drops of product on metal (static contact spring piece), improve product insulating properties
Can reliability.
3rd, the utility model designs kink as a result of by static contact spring piece, and stationary contact is fixed on the first of static contact spring piece
The inner side one side of the thickness direction of socket part, makes the top of kink of the cooperation position in static contact spring piece of the sound contact；This
This structure of utility model, can be disconnected in sound contact using the magnetic field produced by the electric current for the kink for flowing through static contact spring piece
Open position produces a upward electric power, to realize arc extinguishing, is loaded there is provided contact change-over so as to increasing the ability of arc extinguishing
Reliability.
4th, the utility model is additionally provided with through hole along thickness direction as a result of the kink in static contact spring piece, and will
Second connection part of static contact spring piece is set to bifurcation structure；Heat conduction velocity can be reduced, the welding performance of Large Copacity leading foot is improved.
The utility model is described in further detail below in conjunction with drawings and Examples；But one kind of the present utility model is too
Positive energy photovoltaic DC-to-AC converter is not limited to embodiment with high-power relay with high insulating property.
Brief description of the drawings
Fig. 1 is embodiment appearance schematic diagram of the present utility model；
Fig. 2 is the D structure schematic diagram of embodiment the utility model (non-casing)；
Fig. 3 is the top view of embodiment base portion of the present utility model (including quiet spring)；
Fig. 4 is the sectional view of the line A-A along along Fig. 3；
Fig. 5 is the D structure schematic diagram of embodiment quiet spring of the present utility model；
Fig. 6 is the schematic diagram of embodiment matching conjunction state in sound contact of the present utility model；
Fig. 7 is the D structure schematic diagram of embodiment armature part of the present utility model；
Fig. 8 is the front view of embodiment armature part of the present utility model；
Fig. 9 is the top view of embodiment armature part of the present utility model；
Figure 10 is the side view of embodiment armature part of the present utility model；
Figure 11 is the sectional view of the line B-B along along Fig. 8.
Embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 11, the high-power high insulating property of a kind of solar photovoltaic inverter of the present utility model
Relay, including base 1, coil 21, iron core 22, armature part 3, yoke 23, dynamic spring 4 and quiet spring 5；Coil 21 includes bobbin
With the enamel-covered wire for being wrapped in bobbin, iron core 22 is inserted in the through hole of bobbin, and yoke 23 is L-type, and one side of yoke 23 is online
One end of the through hole of coil is mutually fixed with iron core 22, and the part that coil 21, iron core 22 and yoke 23 are cooperatively formed is arranged on base 1
On；The armature part 3 is L-type, and armature part 3 coordinates the knife-edge part in yoke 23, one side of armature part 3 and the dynamic phase of spring 4
Connection, the another side of armature part 3 is engaged with iron core 22；The armature part 3 is by the armature as armature part another side
31st, constituted as the connection sheet 32 and working of plastics 33 on armature part one side, armature 31 and connection sheet 32 are by working of plastics 33 with embedding
The connection of part injection molding manner is integral, and armature 31 and connection sheet 32 are isolated in the interior insulation of working of plastics 33；The working of plastics 33 is provided with
For increasing at least one groove or at least one raised line of creep age distance between armature 31 and connector 32；The present embodiment be
The one side of working of plastics 33 sets a groove 331, and two grooves 332 are set in the another side of working of plastics 33；The quiet spring 5 includes
Static contact spring piece 51, the static contact spring piece 51 by for fix stationary contact 52 the first connection part 511, be used as leading foot second connection
Kink 513 between the connection part of portion 512 and first and the second connection part is constituted, when static contact spring piece 51 is arranged on base 1, institute
State the outside that kink 513 is in the bottom plate 11 of base 1.
In the present embodiment, base 1 is provided with the neck 12 for static contact spring piece 51 described in clamp, the first connection of the static contact spring piece
The both sides of the width in portion 511 are respectively equipped with convex portion 5111, and the static contact spring piece 51 passes through the convex portion 5111 on both sides and the neck of base
It is engaged between 12 in interference, static contact spring piece 51 is fixed on base 1.
In the present embodiment, the upper edge of the convex portion 5111 on the both sides of the width of the first connection part 511 of static contact spring piece 51 is also set to
Inclined-plane 5112, enables static contact spring piece 51 to be injected from the outside of the bottom plate 11 of base 1 in base 1.
In the present embodiment, stationary contact 52 is fixed on the inner side one side of the thickness direction of the first connection part 511 of static contact spring piece 51,
Make the top of kink 513 of the cooperation position in static contact spring piece 51 of the sound contact, static contact spring piece is flowed through so as to utilize
Kink 513 electric current produced by magnetic field, in sound contact open position produce a upward electric power, with realize go out
Arc.
In the present embodiment, the bottom plate 11 of base, be additionally provided with the edge corresponding to the neck 12 can allow be fixed on it is quiet
The resigning portion 13 that the stationary contact 52 of first connection part of reed passes through.
In the present embodiment, the kink 513 of static contact spring piece 51 is additionally provided with the through hole 5131 along thickness direction.
In the present embodiment, the second connection part 512 of static contact spring piece 51 is set to bifurcation structure.
In the present embodiment, the groove 331,332 of working of plastics 33 is the width setting along armature 31.
Dynamic spring 4 includes movable contact spring 41, movable contact 42 and pad 43, and the movable contact 42 is mutually fixed with pad 43 by riveting
The connection sheet 32 of formation movable contact part, one end of the movable contact spring 41 and the armature part, which is riveted, mutually fixes, movable contact spring 41
The other end mutually fixed with movable contact part.Dynamic spring 4 of the present utility model is the bridge architecture of double-contact.
In the present embodiment, movable contact 42 and pad 43 are two parts of separation, and certainly, movable contact and pad can also be
Integrative-structure.
The high-power relay with high insulating property of a kind of solar photovoltaic inverter of the present utility model, is employed armature
Part 3 is designed to be made up of armature 31, connection sheet 32 and working of plastics 33, and armature 31 and connection sheet 32 by working of plastics 33 with
Insert injection moulding mode connects integral, and armature 31 and connection sheet 32 are isolated in the interior insulation of working of plastics 33, are provided with working of plastics 33
For increasing the groove 331,332 of creep age distance between armature and connector；This structure of the present utility model, by armature
Portion insert injection position adds groove, in the case where ensureing insert injection moulding intensity, adds between connection sheet and armature
Creep age distance, disclosure satisfy that product has larger creep age distance (representative products creep age distance reaches more than 12.5mm), structure letter
It is single, it is easy to process, it disclosure satisfy that the demand of high-voltage load.
The high-power relay with high insulating property of a kind of solar photovoltaic inverter of the present utility model, is employed quiet spring
Piece 51 is designed to by the first connection part 511, the second connection part 512 and that is used as leading foot for fixing stationary contact
Kink 513 between one connection part and the second connection part is constituted, when static contact spring piece 51 is arranged on base 1, the kink 513
It is in the outside of the bottom plate of base；This structure of the present utility model, ensure that and (draw in the case of specific extraction placement of foot
Going out pin spacing can be adjusted according to dogleg section), the splash of switching loading process directly drops on base, prevents from splashing
Thing directly drops causes the resistance to drops of product on metal (static contact spring piece), improves product insulating properties reliability.
The high-power relay with high insulating property of a kind of solar photovoltaic inverter of the present utility model, is employed quiet spring
Piece 51 designs kink, and stationary contact 52 is fixed on the inner side one side of the thickness direction of the first connection part 511 of static contact spring piece, makes institute
State the top of kink of the cooperation position in static contact spring piece of sound contact；As shown in fig. 6, when contact disconnecting consumers, can produce
Raw electric arc, by handling quiet spring leading foot bending, makes it produce electric power, electric arc is elongated, accelerate arc extinction.Assuming that electric
Stream is flowed into (arrow is signified in such as Fig. 6) by the quiet spring pin in right side, the quiet spring pin outflow in left side, then the electric current production of the quiet spring pin bending part in right side
Magnetisation, according to current direction, electric power when contact disconnects suffered by electric arc be perpendicular to bending part upward；Left side is same
Reason.When electric current opposite direction, electronic force direction is still upward.Therefore after being handled by static contact spring piece bending, no matter the sense of current is such as
What (is applied to AC load), its electric arc is by electric power vertically upward, and increasing the ability of arc extinguishing, there is provided contact change-over
The reliability of load.
The kink 513 that the utility model is employed in static contact spring piece is additionally provided with the through hole 5131 along thickness direction, and
Second connection part 512 of static contact spring piece is set to bifurcation structure；Heat conduction velocity can be reduced, the welding of Large Copacity leading foot is improved
Performance.
Above-mentioned simply preferred embodiment of the present utility model, not makees any formal limitation to the utility model.Though
Right the utility model is disclosed above with preferred embodiment, but is not limited to the utility model.It is any to be familiar with this area
Technical staff, in the case where not departing from technical solutions of the utility model scope, all using the technology contents of the disclosure above
Technical solutions of the utility model are made with many possible variations and modification, or is revised as equivalents equivalent embodiment.Therefore,
Every content without departing from technical solutions of the utility model, according to the utility model technical spirit to made for any of the above embodiments
What simple modification, equivalent variation and modification, all should fall in the range of technical solutions of the utility model protection.
Claims (11)
1. a kind of high-power relay with high insulating property of solar photovoltaic inverter, including base, coil, iron core, armature portion
Point, yoke, dynamic spring and quiet spring；The coil, iron core and yoke cooperate and are arranged on base；The armature part is L
Type, armature is fit partially within the knife-edge part of yoke, and one side of armature part is connected with dynamic spring, the another side of armature part and iron
Core is engaged；It is characterized in that：The armature part by the armature as armature part another side, be used as armature part one side
Connection sheet and working of plastics are constituted, and armature and connection sheet are connected with working of plastics respectively, and armature and connection sheet are exhausted in working of plastics
Edge is isolated；The working of plastics be provided be used for increasing between armature and connector at least one groove of creep age distance or at least one
Raised line；The quiet spring includes static contact spring piece, and the static contact spring piece is by for fixing the first connection part of stationary contact, be used as leading foot
Kink between second connection part and the first connection part and the second connection part is constituted, when static contact spring piece is arranged on base, institute
State the outside that kink is in the bottom plate of base.
2. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, it is characterised in that：
The stationary contact is fixed at the inner side one side of the thickness direction of the first connection part of static contact spring piece, the cooperation position for making sound contact
In the top of the kink of static contact spring piece, so as to using the magnetic field produced by the electric current for the kink for flowing through static contact spring piece, dynamic
A upward electric power is produced when stationary contact disconnects, to realize arc extinguishing.
3. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, it is characterised in that：
The armature and connection sheet connect integral by working of plastics in insert injection moulding mode.
4. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, it is characterised in that：
The base is provided with the neck for static contact spring piece described in clamp, and the both sides of the width of the first connection part of the static contact spring piece are set respectively
There is convex portion, the static contact spring piece makes static contact spring piece fix the bottom of at by being engaged between the convex portion on both sides and the neck of base in interference
On seat.
5. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 4, it is characterised in that：
The upper edge of the convex portion on the both sides of the width of the first connection part of the static contact spring piece is also set to inclined-plane, enables static contact spring piece from base
The outside of bottom plate is injected in base.
6. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 4, it is characterised in that：
The bottom plate of the base, the quiet of the first connection part for being fixed on static contact spring piece can be allowed by being additionally provided with the edge corresponding to the neck
The resigning portion that contact passes through.
7. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, its feature exists
In：The kink of described static contact spring piece is additionally provided with the through hole along thickness direction.
8. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, it is characterised in that：
Second connection part of described static contact spring piece is set to bifurcation structure.
9. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, it is characterised in that：
The groove or raised line of the working of plastics are the width settings along armature.
10. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 1, its feature exists
In：The dynamic spring includes movable contact spring, movable contact and pad, and by riveting, mutually fixation forms movable contact portion to the movable contact with pad
Point, the connection sheet riveting of one end of the movable contact spring and the armature part is mutually fixed, the other end and the movable contact portion of movable contact spring
Split-phase is fixed.
11. the high-power relay with high insulating property of solar photovoltaic inverter according to claim 10, its feature exists
In：Two parts that the movable contact and pad are structure as a whole or separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030989.XU CN206516574U (en) | 2017-01-11 | 2017-01-11 | The high-power relay with high insulating property of solar photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030989.XU CN206516574U (en) | 2017-01-11 | 2017-01-11 | The high-power relay with high insulating property of solar photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516574U true CN206516574U (en) | 2017-09-22 |
Family
ID=59863699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720030989.XU Withdrawn - After Issue CN206516574U (en) | 2017-01-11 | 2017-01-11 | The high-power relay with high insulating property of solar photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305818A (en) * | 2017-01-11 | 2018-07-20 | 厦门宏发电声股份有限公司 | A kind of high-power relay with high insulating property of solar photovoltaic inverter |
-
2017
- 2017-01-11 CN CN201720030989.XU patent/CN206516574U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305818A (en) * | 2017-01-11 | 2018-07-20 | 厦门宏发电声股份有限公司 | A kind of high-power relay with high insulating property of solar photovoltaic inverter |
| CN108305818B (en) * | 2017-01-11 | 2019-06-14 | 厦门宏发电声股份有限公司 | A kind of high-power relay with high insulating property of solar photovoltaic inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170922 Effective date of abandoning: 20190614 |