CN101615537B - Intelligent plastic shell circuit breaker - Google Patents
Intelligent plastic shell circuit breaker Download PDFInfo
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- CN101615537B CN101615537B CN2009100831790A CN200910083179A CN101615537B CN 101615537 B CN101615537 B CN 101615537B CN 2009100831790 A CN2009100831790 A CN 2009100831790A CN 200910083179 A CN200910083179 A CN 200910083179A CN 101615537 B CN101615537 B CN 101615537B
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- current transformer
- circuit board
- mount pad
- housing
- shade
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Abstract
The invention discloses an intelligent plastic shell circuit breaker, comprising a plastic base and an upper cover, wherein, the base is provided with a contact mechanism, an operating mechanism, a tripping mechanism and a current transformer device; the upper surface of the upper cover is provided with an electronic operating switch and a display screen observation window; the operating mechanism comprises a switch-on and switch-off operating handle; the current transformer device comprises a current transformer, a substrate which is used for placing the current transformer and a cover body which matches with the substrate; the substrate is provided with a placement chamber which is used for placing the current transformer, an installation opening which is used for introducing the current transformer and a location boss which is used for locating the current transformer; the center of the location boss is provided with wiring holes; the cover body is provided with through holes which match with the wiring holes at the center of the location boss. The invention has the advantages of convenient installation and inspection operation.
Description
Technical field
The invention belongs to the low-voltage moulded case circuit breaker technical field, be specifically related to a kind of intelligent plastic casing break.
Background technology
Existing intelligent plastic shell-type low-voltage circuit breaker, generally be provided with display screen and electronic operation switch on the upper surface of its loam cake, the electronic operation switch can be common switch switch or diaphragm type push-button switch, described electronic operation switch is used for control display screen and shows or be used for a certain current value range is preset, and other operation like that or the like.Because outside described electronic operation switch is exposed to, damage because of being subjected to colliding with easily or misoperation takes place, cause unnecessary loss, so exist certain potential safety hazard, its structure is needed improvement badly.
In addition, all control circuit board need be set in the intelligent plastic casing break, traditional circuit breaker all is to be arranged on control circuit board in the mount pad of circuit breaker or to be arranged on the loam cake inwall of circuit breaker.Concerning breaker of plastic casing, control circuit board takes up room bigger, is the key factor that influences the intelligent plastic casing break mount pad area size of finally making.Outside control circuit board is exposed to, be easy to damage because of being subjected to colliding with.In addition, residual current circuit breaker is being out of order, and in the time of need overhauling or change circuit board, operation is inconvenience comparatively.
Intelligent plastic casing break also needs display screen, particularly LCDs, owing to cost an arm and a leg, need protect it.At present, the mode of protection is sticking film or a glaze panel before display screen.There is following shortcoming in said method: 1, a little less than the protective capability of film, can only avoid to a certain extent scratching, not have crashproof function.2, paste the glaze panel,,,, just must pull down face-piece and change because be adhesive on the face-piece owing to when reasons such as glass scuffing or fragmentation need be changed though have anti-scratch and crashproof function.The dismounting face-piece, the one, operation is loaded down with trivial details, and the 2nd, do not notice that slightly face-piece will be scrapped, waste is high, not environmental protection.
Intelligent plastic shell-type low-voltage circuit breaker in order to realize intelligent Detection ﹠ Controling, needs to adopt current transformer that three-phase current is taken a sample.At present, the mounting means of three current transformers is directly the three to be fixed in the mount pad one by one, and its installation and inspection operation are all very not convenient.
Be equipped with operating grip in the operating mechanism of traditional circuit breaker, this operating grip comprises the installation base portion of arc shaped and extends the handle portion of protruding from base portion is installed; The end of described handle portion has two stress surfaces that are oppositely arranged; Described stress surface is smooth stress surface.So traditional operating grip is easier to take place skidding when carrying out reclosing operation.
Summary of the invention
The purpose of this invention is to provide a kind of installation and maintenance operating aspect intelligent plastic casing break comparatively easily.
The technical scheme that realizes the object of the invention is: comprise plastic feet and loam cake; Be provided with contact mechanism, operating mechanism, tripping mechanism, summation current transformer device in the described base; The upper surface of described loam cake is provided with electronic operation switch and display screen observation window; Described operating mechanism comprises the breaking-closing operating handle; Described current transformer device comprises current transformer, is used to put the pedestal of described current transformer and the lid that matches with described pedestal; Be provided with storing chamber, the installing port that is used to put into current transformer that is used to put described current transformer, the positioning boss that is used for the location current instrument transformer in the described pedestal; The center of described positioning boss is provided with routing hole, and described lid is provided with the open-work that matches with described positioning boss center routing hole.
In the technique scheme, the quantity of described current transformer is three, is provided with three in the described pedestal and puts chamber and three positioning boss; Described lid is provided with three open-works; Described lid is connected with described pedestal snap fit; Be filled with insulating resin between the space of described current transformer and described base internal wall.
In the technique scheme, described current transformer comprises square shape yoke and the coil of two diffraction on yoke, and described two coils are oppositely arranged on the two ends of yoke; Described yoke is set on the described positioning boss.
In the technique scheme, also be provided with display device in the described base, described display device comprise mount pad, protective cover and be arranged on protective cover and mount pad between display screen; The top of described mount pad is provided with the mounting groove that is used to put display screen; Described protective cover is arranged on described mount pad top, and the top of described protective cover is provided with transparent plastic plate as observation window; The bottom of described protective cover is provided with cantilever hooks, and described mount pad is provided with the draw-in groove that matches with described cantilever hooks, thereby described cantilever hooks can tightly be embedded in the draw-in groove described protective cover and the setting of described mount pad relative fixed; Also be provided with the connecting groove that is used to lay the display screen wiring on the limit wall of one side of described mount pad.
In the technique scheme, the bottom of described mount pad also is provided with fixedly pin, described each fixedly the shape of pin be V font, L shaped, * shape or cross; Described protective cover adopts transparent plastic to make.
In the technique scheme, cover the shade that also is provided with the anticreep boss and is used to hide described electronic operation switch on described; Described anticreep boss is fixed on and covers, and described anticreep boss is provided with lockhole; One end and the described loam cake of described shade are hinged, and the other end is provided with spacing hole; Described shade covers in described electronic operation switch; The lockhole that described anticreep boss can pass on described spacing hole and the described anticreep boss exposes shade.
In the technique scheme, respectively be provided with a rotating shaft on the two sides of described shade one end, the other end of described shade is provided with the Fastener of two protrusions; Cover on described and be provided with axis hole that matches with described rotating shaft and the binding groove that matches with described Fastener; The described electronic operation switch of loam cake is push-button switch, switch switch or toggle switch.
In the technique scheme, also be provided with the circuit board mounting box that is used for the splendid attire control circuit board in the described base; Described circuit board mounting box comprises housing and is arranged on the interior cavity that is used to put circuit board of housing; Described housing is provided with the U-shaped breach that is used for self being set on the external circular mount pad; Described U-shaped breach is arranged on lower edge place, described housing middle part; The top of described cavity is provided with opening; The partial shell that is arranged in the described U-shaped breach left and right sides of described housing respectively is provided with a circuit board installation cavity that is used to put circuit board; The limit wall of described housing one side is provided with and is used for connection jaws or the wiring hole that power line is come in and gone out.
In the technique scheme, described mounting box also comprises capping; The top of described housing is provided with the block piece that is used for preventing that described capping from coming off by the internal circuit board roof pressure and from the opening of cavity; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping direction is along a straight line inserted in the described slide opening and is blocked the opening of described cavity; Described block piece is the baffle plate that is injection molded into integral piece with described housing; Described capping is a slide plate.
In the technique scheme, the partial shell that is positioned at the described U-shaped breach left and right sides of described housing is symmetrical arranged.
In the technique scheme, the partial shell that is arranged in the described U-shaped breach left and right sides of described housing respectively is provided with a circuit board storing chamber that is used to put circuit board.
In the technique scheme, the top that is positioned at described U-shaped breach of described housing also is provided with two circuit boards that are communicated with the described housing left and right sides and puts the connection chamber in chamber.
In the technique scheme, described operating grip comprises to be installed base portion and extends the handle portion of protruding from base portion is installed; The end of described handle portion has two stress surfaces that are oppositely arranged; Be equipped with anti-skidding portion on described each stress surface; Described anti-skidding portion is arranged at least one projection on the handle stress surface; Described projection is along horizontally set, described laterally being meant and the perpendicular direction of operating grip self rotation direction; The basic configuration of the longitudinal cross-section of described projection is triangle, semicircle, trapezoidal or rectangle.
In the technique scheme, the dual-side wall of described handle portion end is towards handle center's direction diagonally extending, thereby forms two inclined-planes as stress surface; Described each inclined-plane is provided with a wedge shaped projection along the anti-skidding portion of conduct of horizontally set.
In the technique scheme, described each wedge shaped projection has the load-carrying surface of an inclination, and the incline direction of described load-carrying surface is opposite with the incline direction of described handle portion stress surface.
In the technique scheme, the basic configuration of the longitudinal cross-section of described handle portion end is trapezoidal.
In the technique scheme, the basic configuration of the longitudinal cross-section of described installation base portion is a camber line shape; Described handle part is in described installation base portion one side center.
The present invention has positive effect:
(1) among the present invention, described current transformer device comprises current transformer, is used to put the pedestal of described current transformer and the lid that matches with described pedestal; Be provided with storing chamber, the installing port that is used to put into current transformer that is used to put described current transformer, the positioning boss that is used for the location current instrument transformer in the described pedestal; The center of described positioning boss is provided with routing hole, and described lid is provided with the open-work that matches with described positioning boss center routing hole.This kind structure has come down to provide a kind of new mounting means, adopt the base and cover body that three current transformers are fixed into one, only pedestal need be fixed on during installation in the mounting seat of mold cased circuit breaker and get final product, during maintenance, can open lid, take out each current transformer it is detected, so the present invention has in installation and maintenance operating aspect advantage comparatively easily.
(2) among the present invention, described current transformer is common current transformer, comprises square shape yoke and the coil of two diffraction on yoke, and described two coils are oppositely arranged on the two ends of yoke; Described yoke is set on the described positioning boss.The current transformer of this kind structure and described base just in time cooperatively interact, and are installed in the base easily.
(3) among the present invention, the bottom of described protective cover also is provided with cantilever hooks, and described mount pad is provided with the draw-in groove that matches with described cantilever hooks, thereby described cantilever hooks can tightly be embedded in the draw-in groove described protective cover and the setting of described mount pad relative fixed; Also be provided with the connecting groove that is used to lay the display screen wiring on the limit wall of one side of described protective cover; This kind structure is comparatively simple, easy for installation, and effectively avoids display screen because of collision, scuffing, accumulation dustiness damage, and has the better protect effect.
(4) among the present invention, the bottom of described mount pad also is provided with fixedly pin, described each fixedly the shape of pin be V font, L shaped or cross; The fixedly pin of this shape need be used with corresponding V font, L shaped or cross jack; Because V font, L shaped or criss-cross bidirectionally limited effect, avoid the described mount pad phenomenon that is shifted in the horizontal direction as far as possible, also promptly improved anti-loosening performance.
(5) among the present invention, cover the shade that also is provided with the anticreep boss and is used to hide described electronic operation switch on described; Described anticreep boss is fixed on and covers, and described anticreep boss is provided with lockhole; One end and the described loam cake of described shade are hinged, and the other end is provided with spacing hole; Described shade covers in described electronic operation switch; The lockhole that described anticreep boss can pass on described spacing hole and the described anticreep boss exposes shade.The present invention needs to be used with lockset in use, locks after the hook of lock is passed lockhole on the anticreep boss, thereby shade is fixed.Because described shade is described electronic operation switch covers, thereby effectively avoid making the impaired or generation misoperation of electronic operation switch, improved security performance because of colliding with; In addition, do not have the user of key can not open shade, under the situation that does not also promptly obtain to allow, unrelated person can not be operated the present invention, thereby effectively avoids the misoperation of unrelated person, has further improved coefficient of safety of the present invention.
(6) among the present invention, respectively be provided with a rotating shaft on the two sides of described shade one end, the other end of described shade is provided with the Fastener of two protrusions; Cover on described and be provided with the axis hole that matches with described rotating shaft, the draw-in groove that matches with described Fastener.Utilize this kind structure, can expediently described shade be fixed on and cover on described.
(7) among the present invention, described circuit board mounting box housing is provided with the U-shaped breach that is used for self being set on the external circular mounting seat, when concrete the use, can utilize this U-shaped breach that the circuit board mounting box that is built-in with control circuit board is set on the circular outer wall of zero sequence current mutual inductor, its area occupied is suitable substantially with the shared area of used zero sequence current mutual inductor, also is to need not to reserve installing space separately for circuit control panel again in the breaker of plastic casing base; In addition, the mode of this mounting circuit boards also can make the interior wiring of residual current circuit breaker reduce, and makes integral body have clean and tidy, clean aesthetic feeling; The 3rd, control circuit board is seated in the mounting box, by adopting plastics to seal admittedly or the capping sealing is made of one part with it, both can effectively overcome circuit board because of being exposed to the outer drawback that causes damage easily, also can be when needs overhaul, directly change the mounting box integral body of internal circuit board, make service work very convenient; The 4th, mostly existing residual current circuit breaker switch self electric current of make-and-break is forceful electric power, and the circuit board energising is a weakness, because residual current circuit breaker switch inner volume is less, circuit board and forceful electric power conductor spacing are very near, breakdown accident takes place easily burn circuit board, and the housing of circuit board mounting box also can be used for isolated forceful electric power and weakness, increase insulation property, effectively avoid circuit board to be punctured and damage by forceful electric power.
(8) among the present invention, the mode that can adopt direct-insert mode, also can adopt plastics to seal admittedly is seated in circuit board in the cavity; Preferred mode is; Add a capping that matches with housing; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping is a slide plate, and described slide plate direction along a straight line inserts in the described slide opening and blocks the opening of described cavity.It is more convenient that this method of utilizing the capping formula to seal uses.
(9) among the present invention, described operating grip comprises to be installed base portion and extends the handle portion of protruding from base portion is installed; The end of described handle portion has two stress surfaces that are oppositely arranged; Be equipped with anti-skidding portion on described each stress surface; Described anti-skidding portion is arranged at least one projection on the handle stress surface; Described projection is along horizontally set, described laterally being meant and the perpendicular direction of operating grip self rotation direction; The basic configuration of the longitudinal cross-section of described projection is triangle, semicircle, trapezoidal or rectangle.Owing on the stress surface of described handle portion end, be provided with anti-skidding portion, this anti-skidding the generation that can effectively prevent skidding.
(10) among the present invention, the dual-side wall of described handle portion end is towards handle center's direction diagonally extending, thereby forms two inclined-planes as stress surface; Described each inclined-plane is provided with a wedge shape platform along horizontally set; This wedge shape platform has skidproof effect preferably, and processing is comparatively simple; Especially work as described each wedge shape platform and have the load-carrying surface of an inclination, when the incline direction of the incline direction of described load-carrying surface and described handle portion stress surface is opposite, when the user pulls the operator shank with hand, finger can be sitting on the stress surface of handle portion, and the load-carrying surface by anti-skidding portion stops, can apply bigger power to handle and carry out breaking-closing operating, have skidproof effect preferably again.
Description of drawings
Fig. 1 is a kind of perspective view of the present invention;
A kind of structural representation that Fig. 2 is an intelligent plastic casing break shown in Figure 1 when another angle is observed;
Fig. 3 is the local enlarged diagram at A place among Fig. 1;
Fig. 4 is the local enlarged diagram at B place among Fig. 2;
Fig. 5 is a kind of perspective view of protective cover in the intelligent plastic casing break shown in Figure 1;
A kind of structural representation that Fig. 6 is a protective cover shown in Figure 5 when depression angle is observed;
Fig. 7 is a kind of perspective view of current transformer device in the intelligent plastic casing break shown in Figure 1;
Fig. 8 is the blast structural representation of current transformer device shown in Figure 7;
Fig. 9 is a kind of perspective view of current transformer in the current transformer device shown in Figure 7;
Figure 10 is the side structure schematic diagram of current transformer shown in Figure 9;
Figure 11 is a kind of perspective view of circuit board mounting box in second kind of structure of the present invention;
A kind of perspective view that Figure 12 is a circuit board mounting box shown in Figure 11 when another angle is observed;
Figure 13 is a kind of perspective view of circuit board mounting box shown in Figure 12 after removing capping;
Figure 14 is a kind of perspective view of circuit board mounting box when another angle is observed that removes after the capping shown in Figure 13;
Figure 15 be shown in Figure 13 remove circuit board mounting box after the capping partly cut open structural representation;
Figure 16 is a kind of perspective view of capping in the circuit board mounting box shown in Figure 11;
Figure 17 is a kind of perspective view of operating grip in the third structure of the present invention;
Figure 18 is a kind of side structure schematic diagram of operating grip shown in Figure 17;
Figure 19 is the local structure for amplifying schematic diagram at C place among Figure 17;
Figure 20 is that the D of operating grip shown in Figure 180 is to view;
Figure 21 is the local structure for amplifying schematic diagram of operating grip in the 4th kind of structure of the present invention;
Figure 22 is a kind of perspective view of display device in the 5th kind of structure of the present invention;
A kind of perspective view that Figure 23 is a display device shown in Figure 22 when another angle is observed;
Figure 24 is a kind of blast structural representation of display device shown in Figure 22;
Figure 25 is a kind of perspective view of protective cover in the display device shown in Figure 22;
Figure 26 is a kind of perspective view of mount pad in the display device shown in Figure 22;
A kind of perspective view that Figure 27 is a mount pad shown in Figure 26 when another angle is observed;
Figure 28 is a kind of structural representation when mount pad is observed from looking up angle in the display device of the 6th kind of structure of the present invention.
Be labeled as shown in the accompanying drawing: base 1, loam cake 2, electronic operation switch 21, boss 22; lockhole 221, shade 23, spacing hole 231, rotating shaft 232; Fastener 233, binding groove 24, current transformer device 3, current transformer 31; yoke 311, coil 312, pedestal 32 is put chamber 321; installing port 322, positioning boss 323, routing hole 324, lid 33; open-work 331, operating grip 4 is installed base portion 41, handle portion 42; stress surface 421, anti-skidding 422, display device 5, mount pad 51; mounting groove 511, draw-in groove 512, pin 513, connecting groove 514; protective cover 52, observation window 521, cantilever hooks 522, display screen 53; circuit board mounting box 6, housing 61, U-shaped breach 611, circuit board installation cavity 612; connection jaws 613, block piece 614, slide opening 615; cavity 62, opening 621, capping 63.
Embodiment
(embodiment 1)
Fig. 1 to Figure 10 has shown a kind of embodiment of first kind of structure of the present invention, and wherein, Fig. 1 is a kind of perspective view of the present invention; A kind of structural representation that Fig. 2 is an intelligent plastic casing break shown in Figure 1 when another angle is observed; Fig. 3 is the local enlarged diagram at A place among Fig. 1; Fig. 4 is the local enlarged diagram at B place among Fig. 2; Fig. 5 is a kind of perspective view of protective cover in the intelligent plastic casing break shown in Figure 1; A kind of structural representation that Fig. 6 is a protective cover shown in Figure 5 when depression angle is observed; Fig. 7 is a kind of perspective view of current transformer device in the intelligent plastic casing break shown in Figure 1; Fig. 8 is the blast structural representation of current transformer device shown in Figure 7; Fig. 9 is a kind of perspective view of current transformer in the current transformer device shown in Figure 7; Figure 10 is the side structure schematic diagram of current transformer shown in Figure 9.
Present embodiment is a kind of intelligent plastic casing break, sees Fig. 1 to Figure 10, comprises plastic feet 1 and loam cake 2; Be provided with contact mechanism, operating mechanism, tripping mechanism, summation current transformer device 3 in the described base 1; The upper surface of described loam cake 2 is provided with electronic operation switch 21 and display screen observation window 521; Described operating mechanism comprises breaking-closing operating handle 4.
See Fig. 7 to Fig. 8, described current transformer device 3 comprises three current transformers 31, is used to put the pedestal 32 of described three current transformers 31 and the lid 33 that matches with described pedestal 32; Be provided with three installing ports 322 of putting chamber 321, being used to put into current transformer 31 that are used to put described current transformer 31, three positioning boss 323 that are used for location current instrument transformer 31 in the described pedestal 32; The center of described each positioning boss 323 is provided with routing hole 324, and described lid 33 is provided with three open-works 331 that match with described positioning boss 323 center routing holes 324.
See Fig. 9 and Figure 10, described current transformer comprises square shape yoke 311 and the coil 312 of two diffraction on yoke 311, and described two coils 312 are oppositely arranged on the two ends of yoke 311; Described yoke 311 is set on the described positioning boss 323.
See Fig. 1 to Fig. 6, also be provided with anticreep boss 22 and the shade 23 that is used to hide described electronic operation switch 21 on the described loam cake 2; Described anticreep boss 22 is fixed on the loam cake 2, and described anticreep boss 22 is provided with lockhole 221; One end and the described loam cake 2 of described shade 23 are hinged, and the other end is provided with spacing hole 231; Described shade 23 covers in described electronic operation switch 21; The lockhole 221 that described anticreep boss 22 can pass on described spacing hole 231 and the described anticreep boss 22 exposes shade 23.
See Fig. 6, respectively be provided with a rotating shaft 232 on the two sides of described shade 23 1 ends, the other end of described shade 23 is provided with the Fastener 233 of two protrusions; Described loam cake 2 is provided with axis hole that matches with described rotating shaft 232 and the binding groove 24 that matches with described Fastener 233; Loam cake 2 described electronic operation switches 21 are push-button switch, switch switch or toggle switch.
The advantage of present embodiment is:
(1) in the present embodiment, described current transformer device 3 comprises current transformer 31, is used to put the pedestal 32 of described current transformer 31 and the lid 33 that matches with described pedestal 32; Be provided with storing chamber 321, the installing port 322 that is used to put into current transformer 31 that is used to put described current transformer 31, the positioning boss 323 that is used for location current instrument transformer 31 in the described pedestal 32; The center of described positioning boss 323 is provided with routing hole 324, and described lid 33 is provided with the open-work 331 that matches with described positioning boss 323 center routing holes 324.This kind structure has come down to provide a kind of new mounting means, adopt the base and cover body that three current transformers are fixed into one, only pedestal need be fixed on during installation in the mounting seat of mold cased circuit breaker and get final product, during maintenance, can open lid, take out each current transformer it is detected, so present embodiment has in installation and maintenance operating aspect advantage comparatively easily.
(2) in the present embodiment, described current transformer is common current transformer, comprises square shape yoke and the coil of two diffraction on yoke, and described two coils are oppositely arranged on the two ends of yoke; Described yoke is set on the described positioning boss.The current transformer of this kind structure and described base just in time cooperatively interact, and are installed in the base easily.
(3) in the present embodiment, also be provided with anticreep boss 22 and the shade 23 that is used to hide described electronic operation switch 21 on the described loam cake 2; Described anticreep boss 22 is fixed on the loam cake 2, and described anticreep boss 22 is provided with lockhole 221; One end and the described loam cake 2 of described shade 23 are hinged, and the other end is provided with spacing hole 231; Described shade 23 covers in described electronic operation switch 21; The lockhole 221 that described anticreep boss 22 can pass on described spacing hole 231 and the described anticreep boss 22 exposes shade 23.Present embodiment needs to be used with lockset in use, locks after the hook of lock is passed lockhole on the anticreep boss, thereby shade is fixed.Because described shade is described electronic operation switch covers, thereby effectively avoid making the impaired or generation misoperation of electronic operation switch, improved security performance because of colliding with; In addition, do not have the user of key can not open shade, under the situation that does not also promptly obtain to allow, unrelated person can not be operated present embodiment, thereby effectively avoids the misoperation of unrelated person, has further improved the coefficient of safety of present embodiment.
(4) in the present embodiment, respectively be provided with a rotating shaft on the two sides of described shade one end, the other end of described shade is provided with the Fastener of two protrusions; Cover on described and be provided with the axis hole that matches with described rotating shaft, the draw-in groove that matches with described Fastener.Utilize this kind structure, can expediently described shade be fixed on and cover on described.
(embodiment 2)
Figure 11 to Figure 16 has shown a kind of embodiment of second kind of structure of the present invention, and wherein Figure 11 is a kind of perspective view of circuit board mounting box in second kind of structure of the present invention; A kind of perspective view that Figure 12 is a circuit board mounting box shown in Figure 11 when another angle is observed; Figure 13 is a kind of perspective view of circuit board mounting box shown in Figure 12 after removing capping; Figure 14 is a kind of perspective view of circuit board mounting box when another angle is observed that removes after the capping shown in Figure 13; Figure 15 be shown in Figure 13 remove circuit board mounting box after the capping partly cut open structural representation; Figure 16 is a kind of perspective view of capping in the circuit board mounting box shown in Figure 11.
Present embodiment is substantially the same manner as Example 1, and difference is: see Figure 11 to Figure 16, moulding of present embodiment also is provided with the circuit board mounting box 6 that is used for the splendid attire control circuit board in the shell base 1; Described circuit board mounting box 6 comprises housing 61 and the cavity 62 that is used to put circuit board that is arranged in the housing 61; Described housing 61 is provided with the U-shaped breach 611 that is used for self being set on the external circular mount pad 51; Described U-shaped breach 611 is arranged on lower edge place, described housing 61 middle part; The top of described cavity 62 is provided with opening 621; The partial shell 61 that is arranged in described U-shaped breach 611 left and right sides of described housing 61 respectively is provided with a circuit board installation cavity 612 that is used to put circuit board; The limit wall of described housing 61 1 sides is provided with and is used for connection jaws 613 or the wiring hole that power line is come in and gone out.
Described mounting box 6 also comprises capping 63; The top of described housing 61 is provided with the block piece 614 that is used for preventing that described capping 63 from coming off by the internal circuit board roof pressure and from the opening 621 of cavity 62; Be equipped with a slide opening 615 on the limit wall of described housing 61 left and right sides ends, described capping 63 direction is along a straight line inserted in the described slide opening 615 and is blocked the opening 621 of described cavity 62; Described block piece 614 is the baffle plates that are injection molded into integral piece with described housing 61; Described capping 63 is slide plates.
The partial shell that is positioned at the described U-shaped breach left and right sides of described housing is symmetrical arranged.The partial shell that is arranged in the described U-shaped breach left and right sides of described housing respectively is provided with a circuit board storing chamber that is used to put circuit board.The top that is positioned at described U-shaped breach of described housing also is provided with two circuit boards that are communicated with the described housing left and right sides and puts the connection chamber in chamber.
Present embodiment has the following advantages: in (1) present embodiment, described circuit board mounting box housing is provided with the U-shaped breach that is used for self being set on the external circular mounting seat, when concrete the use, can utilize this U-shaped breach that the circuit board mounting box that is built-in with control circuit board is set on the circular outer wall of zero sequence current mutual inductor, its area occupied is suitable substantially with the shared area of used zero sequence current mutual inductor, also is to need not to reserve installing space separately for circuit control panel again in the breaker of plastic casing base; In addition, the mode of this mounting circuit boards also can make the interior wiring of residual current circuit breaker reduce, and makes integral body have clean and tidy, clean aesthetic feeling; The 3rd, control circuit board is seated in the mounting box, by adopting plastics to seal admittedly or the capping sealing is made of one part with it, both can effectively overcome circuit board because of being exposed to the outer drawback that causes damage easily, also can be when needs overhaul, directly change the mounting box integral body of internal circuit board, make service work very convenient; The 4th, mostly existing residual current circuit breaker switch self electric current of make-and-break is forceful electric power, and the circuit board energising is a weakness, because residual current circuit breaker switch inner volume is less, circuit board and forceful electric power conductor spacing are very near, breakdown accident takes place easily burn circuit board, and the housing of circuit board mounting box also can be used for isolated forceful electric power and weakness, increase insulation property, effectively avoid circuit board to be punctured and damage by forceful electric power.
(2) in the present embodiment, the mode that can adopt direct-insert mode, also can adopt plastics to seal admittedly is seated in circuit board in the cavity; Preferred mode is; Add a capping that matches with housing; Be equipped with a slide opening on the limit wall of described housing left and right sides end, described capping is a slide plate, and described slide plate direction along a straight line inserts in the described slide opening and blocks the opening of described cavity.It is more convenient that this method of utilizing the capping formula to seal uses.
(embodiment 3)
Figure 17 to Figure 20 has shown a kind of embodiment of the third structure of the present invention; Wherein Figure 17 is a kind of perspective view of operating grip in the third structure of the present invention; Figure 18 is a kind of side structure schematic diagram of operating grip shown in Figure 17; Figure 19 is the local structure for amplifying schematic diagram at C place among Figure 17; Figure 20 is that the D of operating grip shown in Figure 180 is to view.
Present embodiment is substantially the same manner as Example 2, and difference is: see Figure 17 to Figure 20, described operating grip 4 comprises to be installed base portion 41 and extends the handle portion of protruding 42 from base portion 41 is installed; The end of described handle portion 42 has two stress surfaces 421 that are oppositely arranged; Be equipped with anti-skidding 422 on described each stress surface 421; Described anti-skidding 422 projection that is arranged on the handle stress surface 421; Described projection is along horizontally set, described laterally being meant and the perpendicular direction of operating grip 4 self rotation direction; The basic configuration of the longitudinal cross-section of described projection is trapezoidal, in concrete practice, also can adopt the projection of triangle, semicircle or rectangle.
The dual-side wall of described handle portion end is towards handle center's direction diagonally extending, thereby forms two inclined-planes as stress surface; Described each inclined-plane is provided with a wedge shaped projection along the anti-skidding portion of conduct of horizontally set.Described each wedge shaped projection has the load-carrying surface of an inclination, and the incline direction of described load-carrying surface is opposite with the incline direction of described handle portion stress surface.The basic configuration of the longitudinal cross-section of described handle portion end is trapezoidal.The basic configuration of the longitudinal cross-section of described installation base portion is a camber line shape; Described handle part is in described installation base portion one side center.
(embodiment 4)
Figure 21 is the local structure for amplifying schematic diagram of operating grip in the 4th kind of structure of the present invention, has shown the 4th kind of embodiment of the present invention.
Present embodiment is substantially the same manner as Example 3, and difference is: see Figure 21, described anti-skidding 422 projection that is arranged on five parallel arranged on the handle stress surface 421; The basic configuration of the longitudinal cross-section of described projection is semicircle.
The advantage of embodiment 3 and embodiment 4 is: owing to be provided with anti-skidding portion, this anti-skidding the generation that can effectively prevent skidding on the stress surface of described handle portion end.
(embodiment 5)
Figure 22 to Figure 27 has shown the 5th kind of embodiment of the present invention, and wherein Figure 22 is a kind of perspective view of display device in the 5th kind of structure of the present invention; A kind of perspective view that Figure 23 is a display device shown in Figure 22 when another angle is observed; Figure 24 is a kind of blast structural representation of display device shown in Figure 22; Figure 25 is a kind of perspective view of protective cover in the display device shown in Figure 22; Figure 26 is a kind of perspective view of mount pad in the display device shown in Figure 22; A kind of perspective view that Figure 27 is a mount pad shown in Figure 26 when another angle is observed.
Present embodiment is substantially the same manner as Example 4, difference is: see Figure 22 to Figure 27, also be provided with display device 5 in the described base 1, described display device 5 comprise mount pad 51, protective cover 52 and be arranged on protective cover 52 and mount pad 51 between display screen 53; The top of described mount pad 51 is provided with the mounting groove 511 that is used to put display screen 53; Described protective cover 52 is arranged on described mount pad 51 tops, and the top of described protective cover 52 is provided with transparent plastic plate as observation window 521; The bottom of described protective cover 52 is provided with cantilever hooks 522, and described mount pad 51 is provided with the draw-in groove 512 that matches with described cantilever hooks 522, thereby described cantilever hooks 522 can tightly be embedded in the draw-in groove 512 described protective cover 52 and the 51 relative fixed settings of described mount pad; Also be provided with the connecting groove 514 that is used to lay display screen 53 wiring on the limit wall of one side of described mount pad 51.
The bottom of described mount pad 51 also is provided with fixedly pin 513, described each fixedly the shape of pin 513 be L shaped.
(embodiment 6)
Figure 28 is a kind of structural representation when mount pad is observed from looking up angle in the display device of the 6th kind of structure of the present invention, has shown the 6th kind of embodiment of the present invention.
Present embodiment is substantially the same manner as Example 5, and difference is: the shape of the fixedly pin 513 of described mount pad 51 bottoms is crosss; In concrete practice, described each fixedly the shape of pin can also be V font or * shape or.
The advantage of embodiment 5 and embodiment 6 is: among (1) embodiment 5 and the embodiment 6, the bottom of described protective cover also is provided with cantilever hooks, described mount pad is provided with the draw-in groove that matches with described cantilever hooks, thereby described cantilever hooks can tightly be embedded in the draw-in groove described protective cover and the setting of described mount pad relative fixed; Also be provided with the connecting groove that is used to lay the display screen wiring on the limit wall of one side of described protective cover; This kind structure is comparatively simple, easy for installation, and effectively avoids display screen because of collision, scuffing, accumulation dustiness damage, and has the better protect effect.(2) among embodiment 5 and the embodiment 6, the bottom of described mount pad also is provided with fixedly pin, described each fixedly the shape of pin be V font, L shaped or cross; The fixedly pin of this shape need be used with corresponding V font, L shaped or cross jack; Because V font, L shaped or criss-cross bidirectionally limited effect, avoid the described mount pad phenomenon that is shifted in the horizontal direction as far as possible, also promptly improved anti-loosening performance.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (9)
1. an intelligent plastic casing break comprises plastic feet (1) and loam cake (2); Be provided with contact mechanism, operating mechanism, tripping mechanism, summation current transformer device (3) in the described base (1); The upper surface of described loam cake (2) is provided with electronic operation switch (21) and display screen observation window (521); Described operating mechanism comprises breaking-closing operating handle (4); It is characterized in that: described current transformer device (3) comprises current transformer (31), is used to put the pedestal (32) of described current transformer (31) and the lid (33) that matches with described pedestal (32); Be provided with storing chamber (321), the installing port (322) that is used to put into current transformer (31) that is used to put described current transformer (31), the positioning boss (323) that is used for location current instrument transformer (31) in the described pedestal (32); The center of described positioning boss (323) is provided with routing hole (324), and described lid (33) is provided with the open-work (331) that matches with described positioning boss (323) center routing hole (324); Described lid (33) is connected with described pedestal (32) snap fit; Be filled with insulating resin between the space of described current transformer (31) and described pedestal (32) inwall; Described current transformer comprises square shape yoke (311) and the coil (312) of two diffraction on yoke (311), and described two coils (312) are oppositely arranged on the two ends of yoke (311); Described yoke (311) is set on the described positioning boss (323).。
2. intelligent plastic casing break according to claim 1 is characterized in that: the quantity of described current transformer (31) is three, is provided with three in the described pedestal (32) and puts chamber (321) and three positioning boss (323); Described lid (33) is provided with three open-works (331).
3. intelligent plastic casing break according to claim 1, it is characterized in that: also be provided with display device (5) in the described base (1), described display device (5) comprise mount pad (51), protective cover (52) and be arranged on protective cover (52) and mount pad (51) between display screen (53); The top of described mount pad (51) is provided with the mounting groove (511) that is used to put display screen (53); Described protective cover (52) is arranged on described mount pad (51) top, and the top of described protective cover (52) is provided with transparent plastic plate as observation window (521); The bottom of described protective cover (52) is provided with cantilever hooks (522), described mount pad (51) is provided with the draw-in groove (512) that matches with described cantilever hooks (522), described cantilever hooks (522) can tightly be embedded in draw-in groove (512) thus in described protective cover (52) and described mount pad (51) relative fixed setting; Also be provided with the connecting groove (514) that is used to lay display screen (53) wiring on the limit wall of one side of described mount pad (51).
4. intelligent plastic casing break according to claim 3 is characterized in that: the bottom of described mount pad (51) also is provided with fixedly pin (513), described each fixedly the shape of pin (513) be V font, L shaped, * shape or cross; Described protective cover (52) adopts transparent plastic to make.
5. intelligent plastic casing break according to claim 1 is characterized in that: also be provided with anticreep boss (22) on the described loam cake (2) and be used to hide the shade (23) of described electronic operation switch (21); Described anticreep boss (22) is fixed on the loam cake (2), and described anticreep boss (22) is provided with lockhole (221); One end of described shade (23) and described loam cake (2) are hinged, and the other end is provided with spacing hole (231); Described shade (23) covers in described electronic operation switch (21); The lockhole (221) that described anticreep boss (22) can pass on described spacing hole (231) and the described anticreep boss (22) exposes shade (23).
6. intelligent plastic casing break according to claim 5 is characterized in that: respectively be provided with a rotating shaft (232) on the two sides of described shade (23) one ends, the other end of described shade (23) is provided with the Fastener (233) of two protrusions; Described loam cake (2) is provided with axis hole that matches with described rotating shaft (232) and the binding groove (24) that matches with described Fastener (233); Described electronic operation switch (21) on the loam cake (2) is push-button switch, switch switch or toggle switch.
7. intelligent plastic casing break according to claim 1 is characterized in that: also be provided with the circuit board mounting box (6) that is used for the splendid attire control circuit board in the described base (1); Described circuit board mounting box (6) comprises housing (61) and is arranged on the interior cavity that is used to put circuit board (62) of housing (61); Described housing (61) is provided with the U-shaped breach (611) that is used for self being set on the external circular mount pad (51); Described U-shaped breach (611) is arranged on lower edge place, described housing (61) middle part; The top of described cavity (62) is provided with opening (621); The partial shell (61) that is arranged in described U-shaped breach (611) left and right sides of described housing (61) respectively is provided with a circuit board installation cavity (612) that is used to put circuit board; The limit wall of described housing (61) one sides is provided with and is used for connection jaws (613) or the wiring hole that power line is come in and gone out.
8. intelligent plastic casing break according to claim 7 is characterized in that: described mounting box (6) also comprises capping (63); The top of described housing (61) is provided with the block piece (614) that is used for preventing that described capping (63) from coming off by the internal circuit board roof pressure and from the opening (621) of cavity (62); Be equipped with a slide opening (615) on the limit wall of described housing (61) left and right sides end, described capping (63) direction is along a straight line inserted in the described slide opening (615) and is blocked the opening (621) of described cavity (62); Described block piece (614) is the baffle plate that is injection molded into integral piece with described housing (61); Described capping (63) is a slide plate.
9. intelligent plastic casing break according to claim 1 is characterized in that: described operating grip (4) comprises to be installed base portion (41) and extends the handle portion of protruding (42) from base portion (41) is installed; The end of described handle portion (42) has two stress surfaces (421) that are oppositely arranged; Be equipped with on described each stress surface (421) anti-skidding (422); Described anti-skidding (422) are arranged at least one projection on the handle stress surface (421); Described projection is along horizontally set, described laterally being meant and the perpendicular direction of self rotation direction of operating grip (4); The basic configuration of the longitudinal cross-section of described projection is triangle, semicircle, trapezoidal or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100831790A CN101615537B (en) | 2009-05-06 | 2009-05-06 | Intelligent plastic shell circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100831790A CN101615537B (en) | 2009-05-06 | 2009-05-06 | Intelligent plastic shell circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101615537A CN101615537A (en) | 2009-12-30 |
| CN101615537B true CN101615537B (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100831790A Expired - Fee Related CN101615537B (en) | 2009-05-06 | 2009-05-06 | Intelligent plastic shell circuit breaker |
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| Country | Link |
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| CN (1) | CN101615537B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044389B (en) * | 2010-12-24 | 2014-04-09 | 环宇集团有限公司 | Plastic-shell circuit breaker with switching-off and switching-on indicating mechanism |
| US20160133420A1 (en) * | 2014-11-10 | 2016-05-12 | General Electric Company | Circuit breaker with orientation correcting user interface system |
| CN104377557B (en) * | 2014-11-28 | 2016-09-14 | 鹤山市辉域成套设备有限公司 | A kind of miniature circuit breaker mounting seat |
| CN104409272A (en) * | 2014-12-09 | 2015-03-11 | 汤海涛 | Air switch |
| CN105575691B (en) * | 2015-12-29 | 2018-04-13 | 戴珏珺 | The intelligent switch of control function is carried with visual interface |
-
2009
- 2009-05-06 CN CN2009100831790A patent/CN101615537B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101615537A (en) | 2009-12-30 |
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| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG DAHUA ELECTRIC CO., LTD. Free format text: FORMER NAME: ZHEJIANG DAHUA SWITCH FACTORY |
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| CP01 | Change in the name or title of a patent holder |
Address after: 325604 No. 86 long march road, Liushi Town, Zhejiang, Yueqing Patentee after: Zhejiang Dahua Electric Co., Ltd. Address before: 325604 No. 86 long march road, Liushi Town, Zhejiang, Yueqing Patentee before: Zhejiang Dahua Switchgear Factory |
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