CN102802373B - Information-based household protector - Google Patents
Information-based household protector Download PDFInfo
- Publication number
- CN102802373B CN102802373B CN201210332276.0A CN201210332276A CN102802373B CN 102802373 B CN102802373 B CN 102802373B CN 201210332276 A CN201210332276 A CN 201210332276A CN 102802373 B CN102802373 B CN 102802373B
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- Prior art keywords
- framework
- buckle
- salient point
- groove
- plastic buckle
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Abstract
The invention discloses an information-based household protector which comprises a shell, wherein the shell is provided with an upper mounting hole and a lower mounting hole; the back side of the shell is provided with a guide track groove and a buckling groove; the upper side wall of the guide track groove is provided with a clamping strip; a plastic buckle is mounted in the buckling groove; buckling strips are formed on the left and right walls of the buckling groove in an inward protruded way; the plastic buckle comprises a frame body; the frame body is provided with a guide groove and a clamping tongue; an upper cantilever and a lower cantilever are respectively arranged in left and right hollowed-out spaces of the frame body; an upper salient point is arranged at the suspended end of the upper cantilever; a lower salient point is arranged at the suspended end of the lower cantilever; the middle of the lower part of the frame body is provided with a round hole and a push-pull part; the bottom of the buckling groove is provided with a groove; and when the upper salient point and the lower salient point on the plastic buckle are matched with the upper fastening space of the groove of the shell, the clamping tongue on the plastic buckle is inserted into the guide track groove, and the round hole in the plastic buckle is superposed with the lower mounting hole in the shell. The technical scheme is simple in structure, reliable in connection, low in manufacturing cost and convenient in use and operation.
Description
Technical field
The present invention relates to a kind of information-based family expenses protector.
Background technology
Information-based family expenses protector is the Based Intelligent Control electrical equipment using during power supply and distribution of electric power intellectualizing system is built; can be automatically and remote deciliter power supply-distribution system rated current; the electric current of disjunction phase relation selectively fast when power supply-distribution system fault; and there will not be overstep tripping or misaction, can also read accident cause simultaneously.Realize the management of distribution network intellectuality, digitlization, networking, real time implementation, precision.
Information-based family expenses protector has been used current node breaking technology, electronic technology, Electric automation technology, the network communications technology, computer and software engineering thereof etc.; adopt modular construction; the tactic pattern that has broken through conventional domestic protector completely, integrates protection, measures, monitors.Except possessing conventional control, protection, warning, the setting functions such as overload, overcurrent, quick-break, electric leakage, ground connection, also possess the functions such as human-computer dialogue demonstration, storage, memory, logic analysis, judgement and selection and network service simultaneously.Can show in real time the various electricity consumption characteristic parameters of distribution network and carry out the storage of fault parameter, type, thering is self diagnostic capability, can retrieve rapidly corresponding fault message.Particularly New type of current node breaking technology has been used in information-based family expenses protection, makes small product size less, has broken through the volume restrictions of electronic breaker, uses more convenient.
In prior art; information-based family expenses protector is generally fixedly mounted on mounting panel by screw; also there is the guide rails assembling of passing through; but because will coordinate with the guide rail convex edge of leading; so need the Spring Card fastener of customization, there is complex structure, fix the problems such as firm not, manufacturing cost is high, installation is inconvenient.
Summary of the invention
In order to solve above-mentioned technical problem; the object of this invention is to provide a kind of information-based family expenses protector; by respective outer side edges on plastic buckle and protector housing, realize the fixed installation of protector on guide rail, by upper and lower installing hole is set on protector housing, realizes screw and fixedly mount.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of information-based family expenses protector, comprise housing, described housing top is provided with installing hole, described lower housing portion is provided with lower installing hole, described upper installing hole and lower installing hole are through hole, described back side of shell center is provided with the guide-track groove that horizontal expansion connects, described back side of shell bottom is provided with the buckle slot of longitudinal extension, thereby buckle slot connects to guide-track groove lower wall and is communicated with guide-track groove, the upper side wall of guide-track groove is provided with the card article of downward protrusion, the cross section of card article is protruding triangle, plastic buckle is installed in described buckle slot, on the left and right sides wall of described buckle slot all to the projecting inward profile that is formed with, described plastic buckle comprises a framework, the left and right sides of framework snaps in the space between buckle slot bottom and profile, described framework and buckle slot bottom contact-making surface are frontal plane, the left and right sides of framework is equipped with the gathering sill matching with profile, the upper end of framework is provided with two block tongues in left and right, the cross section of block tongue is protruding triangle, described gathering sill extends to the root of block tongue from the lower end of framework, thereby in the middle of framework, there is an erect mast hollow out in framework is separated into two hollow spaces in left and right, in two hollow spaces in left and right, be respectively equipped with upper cantilever and lower cantalever, upper cantilever in two hollow spaces in left and right is symmetrical set with respect to erect mast, lower cantalever in two hollow spaces in left and right is symmetrical set with respect to erect mast, the oblique arm portion that upper cantilever is extended obliquely by the straight-arm portion and of a horizontal expansion forms, the straight-arm portion of upper cantilever is connected with frame side wall, the free end of the oblique arm portion of upper cantilever is provided with a upper salient point that protrudes from forward framework frontal plane, lower cantalever consists of the straight-arm portion of a horizontal expansion and the oblique arm portion of an oblique downward-extension, the straight-arm portion of lower cantalever is connected with frame side wall, the free end of the oblique arm portion of lower cantalever is provided with a lower salient point that protrudes from forward framework frontal plane, in the middle of described framework bottom, it is an annulus portion, annulus portion center is circular hole, described framework below is provided with push-and-pull portion, thereby push-and-pull portion is connected between framework base wall and push-and-pull portion and forms push-and-pull hollow out with framework base wall by left and right linking arm, described plastic buckle is single injection-molded, wherein, the bottom of described buckle slot is respectively equipped with the groove of the buckle that matches with described upper salient point and lower salient point, and this groove is separated into upper and lower two buckle spaces by middle fin, and the cross section of described middle fin is protruding triangle, when the upper salient point on plastic buckle and lower salient point all coordinate with the upper buckle space of housing groove, the block tongue on plastic buckle inserts guide-track groove, and the circular hole on plastic buckle overlaps with the lower installing hole on housing.
During assembling, plastic buckle is snapped in buckle slot from top to bottom, while clicking into place, upper salient point on plastic buckle and lower salient point all coordinate with the upper buckle space of housing groove, because the periphery of housing groove is the edge that there is no transition, so cannot deviate from groove by upper and lower push-and-pull after upper salient point and lower salient point enter, only have upper cantilever and lower cantalever have been broken just and can have been taken off plastic buckle, avoided plastic buckle from protector product, to drop in transportation and installation process, one part using plastic buckle as protector product, conveniently installs simultaneously, when protector is fixed by screws on mounting panel, only two screws need be screwed in respectively to upper and lower installing hole fixing with mounting panel, now, lower screw is also through the circular hole on the plastic buckle overlapping with lower installing hole, by protector by guide rails assembling on mounting panel time, first guide rail is fixed by screws on mounting panel, again the card article on the upper side wall of the guide-track groove of protector is hung on the upper convex edge of guide rail, by finger or straight screwdriver, pull the push-and-pull portion of plastic buckle downwards, because separate by middle fin between the upper buckle space of housing groove and lower buckle space, middle fin has upper and lower two transition inclined-planes, so while pulling plastic buckle downwards, the upper salient point of plastic buckle and lower salient point are all deviate from the upper buckle space of housing groove and are entered lower buckle space along the transition inclined-plane on middle fin, now, the block tongue of plastic buckle exits guide-track groove, the gathering sill of the plastic buckle left and right sides is because upper end is subject to the spacing cut-off of profile, so can avoid the excessive damage plastic buckle of lower pulling force, the lower convex edge of guide rail is embedded to guide-track groove, again plastic buckle is upwards reversed, the upper salient point of plastic buckle and lower salient point are all deviate from the lower buckle space of housing groove and are entered upper buckle space along the transition inclined-plane on middle fin, the block tongue of plastic buckle inserts in guide-track groove and fastens with the lower convex edge of guide rail, for the sake of assurance, under can again screw being screwed in, in the circular hole of installing hole and plastic buckle, locate, avoid plastic buckle to deviate from.
As preferably; in described housing, be provided with lightning protection unit; this lightning protection unit comprises: be connected across the zero line of end of incoming cables and the 3rd piezo-resistance between live wire; and the zero line and the first piezo-resistance on live wire and the second piezo-resistance that are connected on respectively leading-out terminal, the first piezo-resistance and the second piezo-resistance are via three utmost point gas discharge tube ground connection.Like this, both can prevent the infringement of lightning surge to this product, and can also protect and prevent the product infringement of lightning surge to circuit lower end.
The present invention, owing to having adopted above technical scheme, realizes the fixed installation of protector on guide rail by respective outer side edges on plastic buckle and protector housing, by upper and lower installing hole is set on protector housing, realizes screw and fixedly mounts.Simple in structure, connect reliable, low cost of manufacture, use easy to operate.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present invention (forward sight);
Fig. 2 is the right view of Fig. 1;
Fig. 3 is structural representation of the present invention (backsight);
Fig. 4 is the structural representation of plastic buckle;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the rearview of Fig. 4;
Fig. 7 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
As Fig. 1, Fig. 2, a kind of information-based family expenses protector shown in Fig. 3, comprise housing 2, described housing 2 tops are provided with installing hole 21, described housing 2 bottoms are provided with lower installing hole 22, described upper installing hole 21 and lower installing hole 22 are through hole, described housing 2 centers, the back side are provided with the guide-track groove 23 that horizontal expansion connects, described housing 2 lower backside are provided with the buckle slot 28 of longitudinal extension, thereby buckle slot 28 connects to guide-track groove 23 lower wall and is communicated with guide-track groove 23, the upper side wall of guide-track groove 23 is provided with the card article 24 of downward protrusion, the cross section of card article 24 is protruding triangle, the interior installation plastic buckle 25 of described buckle slot 28, on the left and right sides wall of described buckle slot 28 all to the projecting inward profile 27 that is formed with, as Fig. 4, Fig. 5, shown in Fig. 6, described plastic buckle 25 comprises a framework 251, the left and right sides of framework 251 snaps in the space between buckle slot 28 bottoms and profile 27, described framework 251 is frontal plane with buckle slot 28 bottom contact-making surfaces, the left and right sides of framework 251 is equipped with the gathering sill 253 matching with profile 27, the upper end of framework 251 is provided with two block tongues 252 in left and right, the cross section of block tongue 252 is protruding triangle, described gathering sill 253 extends to the root of block tongue 252 from the lower end of framework 251, thereby in the middle of framework 251, there is an erect mast 255 hollow out in framework 251 is separated into two hollow spaces 2510 in left and right, in two hollow spaces 2510 in left and right, be respectively equipped with upper cantilever 254 and lower cantalever 256, upper cantilever 254 in two hollow spaces 2510 in left and right is symmetrical set with respect to erect mast 255, lower cantalever 256 in two hollow spaces 2510 in left and right is symmetrical set with respect to erect mast 255, the oblique arm portion that upper cantilever 254 is extended obliquely by the straight-arm portion and of a horizontal expansion forms, the straight-arm portion of upper cantilever 254 is connected with framework 251 sidewalls, the free end of the oblique arm portion of upper cantilever 254 is provided with a upper salient point 2541 that protrudes from forward framework 251 frontal planes, lower cantalever 256 consists of the straight-arm portion of a horizontal expansion and the oblique arm portion of an oblique downward-extension, the straight-arm portion of lower cantalever 256 is connected with framework 251 sidewalls, the free end of the oblique arm portion of lower cantalever 256 is provided with a lower salient point 2561 that protrudes from forward framework 251 frontal planes, described framework is an annulus portion 257 in the middle of 251 bottoms, annulus Bu257 center is circular hole 2570, described framework 251 belows are provided with push-and-pull portion 258, thereby push-and-pull portion 258 is connected between framework 251 base wall and push-and-pull portion 258 and forms push-and-pull hollow out 2590 with framework 251 base wall by left and right linking arm 259, described plastic buckle 25 is single injection-molded, wherein, the bottom of described buckle slot 28 is respectively equipped with the groove 26 of the buckle that matches with described upper salient point 2541 and lower salient point 2561, and this groove 26 is separated into upper and lower two buckle spaces by middle fin 261, and the cross section of described middle fin 261 is protruding triangle, when the upper salient point 2541 on plastic buckle 25 and lower salient point 2561 all coordinate with the upper buckle space of housing 2 grooves 26, the block tongue 252 on plastic buckle 25 inserts guide-track groove 23, and the circular hole 2570 on plastic buckle 25 overlaps with the lower installing hole 22 on housing 2.
During assembling, plastic buckle 25 is snapped in buckle slot 28 from top to bottom, while clicking into place, the upper salient point 2541 on plastic buckle 25 and lower salient point 2561 all coordinate with the upper buckle space of housing groove 26, when protector is fixed by screws on mounting panel, only two screws need be screwed in respectively to upper and lower installing hole 21,22 fixing with mounting panel, now, lower screw is also through the circular hole 2570 on the plastic buckle 25 overlapping with lower installing hole 22, when protector is arranged on mounting panel by guide rail 1, first guide rail 1 is fixed by screws on mounting panel, again the card article on the upper side wall of the guide-track groove of protector 23 24 is hung on the upper convex edge of guide rail 1, by finger or straight screwdriver, pull the push-and-pull portion 258 of plastic buckle 25 downwards, because separate by middle fin 261 between the upper buckle space of housing groove 26 and lower buckle space, middle fin 261 has upper and lower two transition inclined-planes, so while pulling plastic buckle 25 downwards, the upper salient point 2541 of plastic buckle 25 and lower salient point 2561 are all deviate from the upper buckle space of housing groove 26 and are entered lower buckle space along the transition inclined-plane on middle fin 261, the lower convex edge of guide rail 1 11 is embedded to guide-track groove 23, again plastic buckle 25 is upwards reversed, the upper salient point 2541 of plastic buckle 25 and lower salient point 2561 are all deviate from the lower buckle space of housing groove 26 and are entered upper buckle space along the transition inclined-plane on middle fin 261, the block tongue of plastic buckle 25 inserts in guide-track groove 23 and fastens with the lower convex edge 11 of guide rail 1, for the sake of assurance, can again screw be screwed in to the interior location of circular hole 2570 of lower installing hole 22 and plastic buckle 25, avoid plastic buckle to deviate from.
As shown in Figure 7; in described housing 2, be provided with lightning protection unit 400, control protected location 200, signal acquisition testing unit 100 and binode electric current disjunction unit 300; this lightning protection unit 400 comprises: be connected across the zero line of end of incoming cables and the 3rd piezo-resistance RV3 between live wire; and the zero line and the first piezo-resistance on live wire and the second piezo-resistance that are connected on respectively leading-out terminal, the first piezo-resistance RV1 and the second piezo-resistance RV2 are via three utmost point gas discharge tube ground connection.Piezo-resistance RV1, RV2 and three utmost point gas discharge tubes form leading-out terminal lightning protection circuit.Because piezo-resistance has larger parasitic capacitance, be used in AC power supply system, can produce considerable leakage current, the piezo-resistance of poor-performing was used after a period of time, because leakage current becomes the self-destruction of may generating heat greatly.For addressing this problem, between piezo-resistance, seal in gas discharge tube.After piezo-resistance is connected with gas discharge tube, because gas discharge tube parasitic capacitance is very little, can make the total capacitance of series arm reduce to several pF.In this branch road, gas discharge tube will play an on-off action, and while there is no transient voltage, it can separate piezo-resistance and system, makes piezo-resistance almost without leakage current.
It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. an information-based family expenses protector, comprise housing (2), described housing (2) center, the back side is provided with the guide-track groove (23) that horizontal expansion connects, described housing (2) lower backside is provided with the buckle slot (28) of longitudinal extension, buckle slot (28) connects to guide-track groove (23) thereby lower wall is communicated with guide-track groove (23), the upper side wall of guide-track groove (23) is provided with the card article (24) of downward protrusion, the cross section of card article (24) is protruding triangle, plastic buckle (25) is installed in described buckle slot (28), described plastic buckle (25) comprises a framework (251), the upper end of framework (251) is provided with left and right two block tongues (252), the cross section of block tongue (252) is protruding triangle, described framework (251) below is provided with push-and-pull portion (258), push-and-pull portion (258) is connected between framework (251) base wall and push-and-pull portion (258) and forms push-and-pull hollow out (2590) with framework (251) thereby base wall by left and right linking arm (259), it is characterized in that, described housing (2) top is provided with installing hole (21), described housing (2) bottom is provided with lower installing hole (22), described upper installing hole (21) and lower installing hole (22) are through hole, on the left and right sides wall of described buckle slot (28) all to the projecting inward profile (27) that is formed with, the left and right sides of described framework (251) snaps in the space between buckle slot (28) bottom and profile (27), described framework (251) is frontal plane with buckle slot (28) bottom contact-making surface, the left and right sides of framework (251) is equipped with the gathering sill (253) matching with profile (27), described gathering sill (253) extends to the root of block tongue (252) from the lower end of framework (251), framework (251) centre has an erect mast (255) thereby the hollow out in framework (251) is separated into left and right two hollow spaces (2510), in two hollow spaces in left and right (2510), be respectively equipped with upper cantilever (254) and lower cantalever (256), upper cantilever (254) in two hollow spaces in left and right (2510) is symmetrical set with respect to erect mast (255), lower cantalever (256) in two hollow spaces in left and right (2510) is symmetrical set with respect to erect mast (255), the oblique arm portion that upper cantilever (254) is extended obliquely by the straight-arm portion and of a horizontal expansion forms, the straight-arm portion of upper cantilever (254) is connected with framework (251) sidewall, the free end of the oblique arm portion of upper cantilever (254) is provided with a upper salient point (2541) that protrudes from forward framework (251) frontal plane, lower cantalever (256) consists of the straight-arm portion of a horizontal expansion and the oblique arm portion of an oblique downward-extension, the straight-arm portion of lower cantalever (256) is connected with framework (251) sidewall, the free end of the oblique arm portion of lower cantalever (256) is provided with a lower salient point (2561) that protrudes from forward framework (251) frontal plane, in the middle of described framework (251) bottom, it is an annulus portion (257), annulus portion (257) center is circular hole (2570), described plastic buckle (25) is single injection-molded, wherein, the bottom of described buckle slot (28) is respectively equipped with the groove (26) of the buckle that matches with described upper salient point (2541) and lower salient point (2561), this groove (26) is separated into upper and lower two buckle spaces by middle fin (261), and the cross section of described middle fin (261) is protruding triangle, when the upper salient point (2541) on plastic buckle (25) and lower salient point (2561) all coordinate with the upper buckle space of housing (2) groove (26), block tongue (252) on plastic buckle (25) inserts guide-track groove (23), and the circular hole (2570) on plastic buckle (25) overlaps with the lower installing hole (22) on housing (2).
2. a kind of information-based family expenses protector according to claim 1; it is characterized in that; in described housing (2), be provided with lightning protection unit (400); this lightning protection unit (400) comprising: be connected across the zero line of end of incoming cables and the 3rd piezo-resistance between live wire; and the zero line and the first piezo-resistance on live wire and the second piezo-resistance that are connected on respectively leading-out terminal, the first piezo-resistance and the second piezo-resistance are via three utmost point gas discharge tube ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332276.0A CN102802373B (en) | 2012-09-10 | 2012-09-10 | Information-based household protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332276.0A CN102802373B (en) | 2012-09-10 | 2012-09-10 | Information-based household protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102802373A CN102802373A (en) | 2012-11-28 |
| CN102802373B true CN102802373B (en) | 2014-10-29 |
Family
ID=47201299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332276.0A Expired - Fee Related CN102802373B (en) | 2012-09-10 | 2012-09-10 | Information-based household protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102802373B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960691A (en) * | 2017-04-19 | 2017-07-18 | 浙江开民电器有限公司 | The guide tracked mounting structure of instrument and meter |
| CN113473769B (en) * | 2021-06-01 | 2023-11-24 | 达诺尔电气(集团)有限公司 | Intelligent centralized controller based on AIot technology and use method thereof |
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| CN202077314U (en) * | 2011-06-16 | 2011-12-14 | 浙江加西亚电子电器有限公司 | Buckle mechanism for mounting small-size low-voltage apparatus on guide rail |
| CN202840261U (en) * | 2012-09-10 | 2013-03-27 | 湖州久天电力科技有限公司 | Informationalized household protector |
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| US6651810B2 (en) * | 2001-03-29 | 2003-11-25 | Kentucky Derby Hosiery Co., Inc. | Hosiery displaying device with arrayed multiplicity of hosiery attachment openings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921445A (en) * | 1989-04-14 | 1990-05-01 | Cooper Industries, Inc. | Rail mounting apparatus for electrical components |
| JPH04349699A (en) * | 1991-05-28 | 1992-12-04 | Matsushita Electric Works Ltd | Rail fitting device of electric apparatus |
| JPH08321692A (en) * | 1995-05-26 | 1996-12-03 | Matsushita Electric Works Ltd | Mounting device of electric equipment |
| JPH10154884A (en) * | 1996-11-21 | 1998-06-09 | Matsushita Electric Works Ltd | Electric equipment mounting device |
| CN1287701A (en) * | 1998-08-24 | 2001-03-14 | Aeg低压技术股份有限两合公司 | Device for mounting on a top-hat rail |
| US5904592A (en) * | 1998-09-29 | 1999-05-18 | Allen-Bradley Company, Llc | Dual mode din rail latch with tactile feedback |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102802373A (en) | 2012-11-28 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 313300 Sunshine Industrial Zone, Anji County, Huzhou, Zhejiang Applicant after: ZHEJIANG JIUTIAN POWER TECHNOLOGY CO., LTD. Address before: 313300 Sunshine Industrial Zone (Science and Technology Pioneer Park), Anji County, Huzhou, Zhejiang Applicant before: Huzhou Jiutian Electric Power Technology Co., Ltd. |
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| COR | Change of bibliographic data |
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