CN201893303U - Modular residual current trip device - Google Patents
Modular residual current trip device Download PDFInfo
- Publication number
- CN201893303U CN201893303U CN2010205456037U CN201020545603U CN201893303U CN 201893303 U CN201893303 U CN 201893303U CN 2010205456037 U CN2010205456037 U CN 2010205456037U CN 201020545603 U CN201020545603 U CN 201020545603U CN 201893303 U CN201893303 U CN 201893303U
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- Prior art keywords
- spring
- residual current
- push rod
- housing
- cover plate
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- Expired - Lifetime
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Abstract
The utility model discloses a modular residual current trip device, comprising a base and an upper cover. The base is internally provided with a zero sequence mutual inductor, a circuit board, a contact and a one-pole wiring terminal or multi-pole wiring terminals, wherein the contact board is embedded with wires and is used for connecting a beaker. The trip device is characterized in that a mechanism module is arranged between the upper part of the base and the upper cover and comprises a shell body, a cover board, a coil component, a transmission mechanism, a linkage mechanism and a test device. With the adoption of the modular structure, the trip device is convenient to install, has simple technology and high assembly efficiency, enlarges the inner space of a product and accelerates the inner air flow, so as to facilitate the temperature drop of the product. At the same time, the multi-pole terminals are uniformly arranged in the base, a clapboard does not need to be additionally arranged between poles, so that the cost can be reduced; a major loop can be connected by a hard conductive wire, and the suitable sectional area of the conductive wires can be adopted, therefore, the problem that the temperature rise of the product exceeds the standard requirement can be solved, and the effect is particularly obvious for the trip device with large current.
Description
Technical field
The utility model originally relates to a kind of earth leakage protective device annex of plastic shell; claim the residual current release again; can be assembled into earth leakage protective device with corresponding miniature circuit breaker; claim residual current action breaker again; be applicable to exchange 50Hz/60Hz, rated current is to 63A, and rated voltage is no more than in the circuit of 400V; have residual current, short circuit and overload protection function, particularly relate to the residual current action breaker that can prevent person electric shock and protective circuit safety.
Background technology
The residual current release mainly is made up of signal supervisory instrument (zero-sequence transformer), signal comparator circuit (wiring board) and tripping mechanism (being made of coil, iron core and push rod etc.).Fig. 1 is the residual current release part of the most salable a kind of residual current action breaker of existing market----DZ47LE series, tripping mechanism and the experimental rig be made up of push rod 2 ', iron core 3 ', indication piece 4 ' (in spring is arranged), coil block 5 ' (in spring is arranged) are installed in corresponding position, housing 1 ' top, zero-sequence transformer and wiring board are installed in the lower chamber 7 ' of housing 1 ', cover the dividing plate 6 ' and the lid of respective amount then again according to different numbers of poles.The circuit breaker of said structure has following defective:
1, adopt this scheme, because each assembly of tripping mechanism disperses to pack in the housing, thereby the assembly technology complexity, the part of an operation assembling is too many, and efficiency of assembling is low.
2, each assembly owing to tripping mechanism needs housing and lid location simultaneously, therefore when multipole installation, dividing plate location and interval need be arranged all between every utmost point, the product cost height, and not compact.
3, because multipole installation need add the interpolar dividing plate, therefore passing the zero-sequence transformer lead is generally flexible conductor, because the flexible conductor sectional dimension is big, increase along with product number of poles and rated current, owing to be subjected to the restriction of product inner space and assembly method, limit the increase and the product weak heat-dissipating of sectional area of wire simultaneously, caused the temperature rise of big current specification of the product of this scheme.
4, the experimental rig of prior art (being installed in the upper right cavity 7 ' of housing 1 ') is made of button, back-moving spring, reed and wedge shape conducting strip, during use.Press the button, making leaf spring under two cylinders that button button below is provided with makes reed and the conducting of wedge shape conducting strip, the coil electricity of tripping mechanism, iron core is driven push rod and rotates by adhesive, and the connecting rod on the push rod moves along the mounting hole of offering on the housing and makes circuit breaker trip.The experimental rig part of said structure is more, and is very uneconomical, and because reed and wedge shape conducting strip adopt the copper sheet structure, yielding, reliability is low.
Summary of the invention
To be solved in the utility model is the prior art above shortcomings, aims to provide a kind of very long lower, production efficiency is high, reliability is high modular residual current release.
The technical scheme that addresses the above problem employing is: modular residual current release, comprise base and loam cake, be provided with zero-sequence transformer, wiring board in the described base, be embedded with contact plate and a utmost point or the multipole binding post of lead, described contact plate is used for connecting circuit breaker, it is characterized in that being provided with mechanism module between base top and the loam cake, described mechanism module comprises:
A housing offers mounting hole on the described housing;
A cover plate is arranged on the described housing;
A coil block is arranged in the described housing;
A transmission mechanism of forming by first spring, moving iron core and push rod, described first spring is fixed on an end of described moving iron core and is placed in the described coil block, the other end of described moving iron core is connected with described push rod, described push rod shaft is connected on described housing and the cover plate, one side of push rod is provided with connecting rod, and described connecting rod passes the mounting hole of described housing;
A link gear of forming by second spring and indication piece, described second spring is arranged on the inner chamber of indication piece, and the indication piece bottom cooperates with described push rod;
An experimental rig is arranged on the described cover plate.
Modular residual current release of the present utility model, tripping mechanism, indication and resetting device, test mechanism fit together and constitute a module mechanism, easy for installation, technology is simple, the efficiency of assembling height, and increase the product inner space, accelerate inner air and flow, help the reduction of product temperature rise.Simultaneously, multipole binding post unification is installed in the base, interpolar need not install dividing plate additional, so escapable cost, and make major loop can adopt the connected mode of hard lead, and adopt suitable sectional area of wire, solve the problem that the product temperature rise is above standard and requires, for big current-release device, its effect is especially obvious.
According to the utility model, described housing is connected with the cover plate buckle.
According to the utility model, described housing bottom is provided with and base location baffle plate.
Described moving iron core one end has boss, and the other end has cylinder shape groove, and described first spring housing is contained on the described boss; Described push rod is coupling by a circular hole that has on cylinder-shaped shaft and housing and the cover plate inner surface, cooperates with the cylinder shape groove of moving iron core by " a 8 " shape hole, cooperates with the hook that the indication piece bottom is provided with by a square groove.
According to the utility model, the square groove on the push rod has inclined working or cambered surface in two ends up and down, helps guiding.
As further improvement of the utility model, described experimental rig comprises button, torsion spring and the 3rd spring, in " ten " word groove that described button setting is on the cover board offered, described torsion spring and the 3rd spring are separately positioned on first axle and second axle of cover plate outer surface, described torsion spring one end is connected to wiring board, the other end contacts with described button, and when button down and an end of the 3rd spring electrically contact, the other end of the 3rd spring is connected to wiring board.Compare with traditional experimental rig, the experimental rig torsion spring after the improvement has conduction and reset function concurrently, has saved parts, makes product structure more compact, and can further reduce cost.Because two contacts of experimental rig all adopt spring structure, can improve the reliability of experimental rig.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of existing release.
Fig. 2 is the schematic diagram of existing release dividing plate and lid.
Fig. 3 is the structural representation of the utility model modular residual current release.
Fig. 4 is the structural representation after Fig. 3 removes loam cake.
Fig. 5 is the structural representation of another angle of the utility model modular residual current release.
Fig. 6 is the structural representation of the utility model module mechanism.
Fig. 7 is the structural representation of the tripped condition of the utility model module mechanism.
Fig. 8 is the stereogram of the utility model module mechanism.
Fig. 9 is the structural representation of the utility model push rod.
Figure 10 is the structural representation of the utility model indication piece.
Figure 11 is the structural representation of the moving iron core of the utility model.
Embodiment
With reference to Fig. 1,2, the tripper structure of prior art, its defective front was described, and did not repeat them here.
With reference to Fig. 4-11, modular residual current release of the present utility model, comprise base 12 and loam cake 13, be provided with zero-sequence transformer, wiring board in the described base 12, be embedded with contact plate and a utmost point or the multipole binding post 19 of lead 14, described contact plate 18 is used for connecting circuit breaker, be provided with mechanism module 100 between base 12 tops and the loam cake 13, described mechanism module 100 comprises:
A housing 1, described housing 1 bottom are provided with and base 12 location baffle plates 15, and three hooks 16, offer mounting hole 20 on the side of housing 1;
A cover plate is arranged on the described housing 1, and cover plate is provided with and links up with the 16 catching groove (not shown) that cooperate, and housing 1 and cover plate are connected with the cooperation buckle of catching groove by hook 16;
A coil block 6 that comprises coil, yoke and static iron core is arranged in the square groove 33 of described housing 1;
A transmission mechanism of forming by first spring 1, moving iron core 5 and push rod 2, described moving iron core 5 one ends have boss 27, the other end has cylinder shape groove 28, and described first spring 7 is sleeved on the described boss 27, and is placed in the center hole of described coil block 6; Described push rod 2 has cylinder-shaped shaft 23, is coupling by the circular hole on this rotating shaft and housing 1 and the cover plate inner surface; Also be provided with " a 8 " shape hole on the described push rod 2, the bottom that the cylinder shape groove 28 of moving iron core passes " 8 " shape hole enters top after than macropore and locatees than aperture; One side of push rod 2 also is provided with connecting rod 17, and mounting hole 20 backs that described connecting rod 17 passes described housing cooperate with the operating mechanism of circuit breaker;
A link gear of being made up of second spring 3 and indication piece 4, described second spring 3 are arranged in the square holddown groove that forms between the inner chamber of indication piece 4 and the housing, and indication piece 4 bottoms are provided with hook 25, and cooperate with the square hole 24 offered on the push rod 2; Square hole has inclined working or cambered surface 32 in two ends about in the of 24.
An experimental rig, comprise button 9, torsion spring 10 and the 3rd spring 11, described button 9 is arranged in " ten " word groove 31 of offering on the cover plate 8, described torsion spring 10 and the 3rd spring 11 are separately positioned on first axle 29 and second axle 30 of cover plate 8 outer surfaces, described torsion spring 10 1 ends are connected to wiring board, the other end contacts with described button 9, and when button 9 is depressed and an end of the 3rd spring 11 electrically contact, the other end of the 3rd spring 11 is connected to wiring board.
Described lead 14 adopts hard lead, and the high insulated hull of part 21 circle naked copper cover heat resisting and pressure resistings that it is positioned at support 12 is exposed on the contact plate 18 and then adopts round bare copper wire with the circuit breaker coupling part, and the diameter of section of naked copper is 3mm.
Operation principle of the present utility model is as follows:
With reference to Fig. 6, under the normal operation, described indication piece 4 is in same flat state with described housing 1 upper surface, described spring 3 is in the compressed energy-storage state, the hook of described indication piece 4 is hooked in the square hole 24 of affiliated push rod 2, turn left certain angle and drive described moving iron core 5 of the rotating shaft of described push rod 2, described spring 7 is in mild compression energy storage state; When mechanism action, there is electric current to flow through in the described coil block 6 and produces the described moving iron core 5 of enough alternating electromagnetism suction adhesives, described moving iron core 5 drives affiliated push rod 2 and turns right, after the miniature circuit breaker combination, described pushing away done 2 oval connecting rod and extend in the mechanism of miniature circuit breaker, and affiliated push rod 2 rotates and can drive miniature circuit breaker and thread off and cut off the electricity supply.The hook 25 of described indication piece 4 breaks away from push rod simultaneously, and described spring 3 discharges the energy that is stored up and described indication piece 4 is upspring, and its state as shown in Figure 7.
When main circuit is returned to normal operation, there is not electric current in the coil block 6, described moving iron core 5 is released, and moves right under the effect of spring 7, drives push rod 2 and moves to right together.Press indication piece 4, the hook 25 of indication piece 4 bottoms is cooperated with square hole 24 on the push rod, indication piece 4 promptly is locked in the position that flushes with housing 1 upper surface, as shown in Figure 6.
What should be understood that is: the foregoing description is just to explanation of the present utility model, rather than to restriction of the present utility model, any innovation and creation that do not exceed in the utility model connotation scope all fall within the protection range of the present utility model.
Claims (8)
1. modular residual current release, comprise base (12) and loam cake (13), described base is provided with zero-sequence transformer, wiring board in (12), be embedded with lead contact plate and a utmost point or the multipole binding post (19) of (14), described contact plate (18) is used for connecting circuit breaker, it is characterized in that being provided with mechanism module (100) between base (12) top and the loam cake (13), described mechanism module comprises:
A housing (1) offers mounting hole (20) on the described housing (1);
A cover plate is arranged on the described housing (1);
A coil block (6) is arranged in the described housing (1);
A transmission mechanism of forming by first spring (1), moving iron core (5) and push rod (2), described first spring (1) is fixed on an end of described moving iron core (5) and is placed in the described coil block (6), the other end of described moving iron core (5) is connected with described push rod (2), described push rod (2) is coupling on described housing (1) and cover plate, one side of push rod (2) is provided with connecting rod (17), and described connecting rod (17) passes the mounting hole (20) of described housing;
A link gear of forming by second spring (3) and indication piece (4), described second spring (3) is arranged on the inner chamber of indication piece (4), and indication piece (4) bottom cooperates with described push rod (2);
An experimental rig is arranged on the described cover plate (8).
2. modular residual current release as claimed in claim 1 is characterized in that described housing (1) is connected with the cover plate buckle.
3. modular residual current release as claimed in claim 1 is characterized in that described housing (1) bottom is provided with and base (12) location baffle plate (15).
4. modular residual current release as claimed in claim 1 is characterized in that described moving iron core (5) one ends have boss (27), and the other end has cylinder shape groove (28), and described first spring (7) is sleeved on the described boss (27); Described push rod (2) is coupling by a circular hole that has on cylinder-shaped shaft (23) and housing (1) and the cover plate inner surface, cooperate with the cylinder shape groove (28) of moving iron core by " a 8 " shape hole, cooperate with the hook (25) that indication piece (4) bottom is provided with by a square hole (24).
5. modular residual current release as claimed in claim 4 is characterized in that the square hole (24) on the push rod (2) has inclined working or cambered surface (32) in two ends up and down.
6. modular residual current release as claimed in claim 1, it is characterized in that described experimental rig comprises button (9), torsion spring (10) and the 3rd spring (11), described button (9) is arranged in " ten " word groove (31) of offering on the cover plate (8), described torsion spring (10) and the 3rd spring (11) are separately positioned on first axle (29) and second axle (30) of cover plate (8) outer surface, described torsion spring (10) one ends are connected to wiring board, the other end contacts with described button (9), and button (9) when depressing and an end of the 3rd spring (11) electrically contact, the other end of the 3rd spring (11) is connected to wiring board.
7. as any one described modular residual current release of claim 1-6, it is characterized in that described lead (14) is hard lead.
8. modular residual current release as claimed in claim 7 is characterized in that described coil block comprises coil, yoke and static iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205456037U CN201893303U (en) | 2010-09-28 | 2010-09-28 | Modular residual current trip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205456037U CN201893303U (en) | 2010-09-28 | 2010-09-28 | Modular residual current trip device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893303U true CN201893303U (en) | 2011-07-06 |
Family
ID=44222773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205456037U Expired - Lifetime CN201893303U (en) | 2010-09-28 | 2010-09-28 | Modular residual current trip device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646826A (en) * | 2013-11-28 | 2014-03-19 | 德力西电气有限公司 | Novel action mechanism of electrical leakage protection module |
| CN104008932A (en) * | 2014-06-10 | 2014-08-27 | 大全集团有限公司 | Internal accessory transmission device for circuit breaker |
| CN104201067A (en) * | 2014-09-16 | 2014-12-10 | 长城电器集团有限公司 | Leakage circuit breaker connecting system |
-
2010
- 2010-09-28 CN CN2010205456037U patent/CN201893303U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646826A (en) * | 2013-11-28 | 2014-03-19 | 德力西电气有限公司 | Novel action mechanism of electrical leakage protection module |
| CN104008932A (en) * | 2014-06-10 | 2014-08-27 | 大全集团有限公司 | Internal accessory transmission device for circuit breaker |
| CN104008932B (en) * | 2014-06-10 | 2015-12-09 | 大全集团有限公司 | A kind of contents transmission device for circuit breaker |
| CN104201067A (en) * | 2014-09-16 | 2014-12-10 | 长城电器集团有限公司 | Leakage circuit breaker connecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |