CN105305235A - Portable relay protection device for distribution network - Google Patents
Portable relay protection device for distribution network Download PDFInfo
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- CN105305235A CN105305235A CN201510229540.1A CN201510229540A CN105305235A CN 105305235 A CN105305235 A CN 105305235A CN 201510229540 A CN201510229540 A CN 201510229540A CN 105305235 A CN105305235 A CN 105305235A
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- cabinet
- wheel
- container cavity
- power distribution
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Abstract
The invention provides a portable relay protection device for a distribution network. An accommodating cavity is internally provided with a transformer protection device and a line protection device; the accommodating cavity is also fixed with a battery; the battery is electrically connected with the transformer protection device and the line protection device respectively; the accommodating cavity is also internally provided with a charging device; a cabinet body is also internally provided with a self-detection device; the transformer protection device and the line protection device are both detected by the self-detection device; and the self-detection device is electrically connected with a battery. Through arranging the transformer protection device and the line protection device inside the cabinet body, during the use process, the device can be quickly arranged in a power distribution circuit and is parallelly connected onto two ends of a power distribution part in need of replacement or maintenance, replacement of the power distribution element can be carried out in a condition of not stopping normal power grid operation, and the portable relay protection device plays a temporary power grid protection role during the particular use process.
Description
Technical field
The present invention relates to the portable protective relaying device for power distribution network.
Background technology
Along with popularizing of electrical network, power distribution unit for electric power conveying is more and more, more and more accurate, and early stage power distribution unit is after operation for many years, aging along with electronic devices and components, the equipment unit of emerged in operation is changed the frequency and is got more and more, and buys the spare unit time longer, and much can buy without spare unit, cause electrical network to do the stoppage in transit of long period because of fault, have a strong impact on the unfailing performance of power supply.
Along with mains supply load rises year by year, power supply reliability requires more and more higher, being pressed for time of each interruption maintenance, task weight, simultaneously the propelling of repair based on condition of component, and the relaying protection time between overhauls(TBO) extends, and causes the grid power blackout time to increase further; Do not have a kind of protective relaying device for subsequent use in prior art, namely at grid maintenance or when changing power distribution unit, for temporary protection electrical network, make the device that electrical network normally runs, shorten the idle time of electrical network with this.
Summary of the invention
Portable protective relaying device for power distribution network provided by the invention, is intended to overcome the deficiency that when electrical network power distribution unit in prior art overhauls or changes, interruption duration is long.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: for the portable protective relaying device of power distribution network, comprise cabinet, container cavity is provided with in described cabinet, described cabinet is fixed with the cabinet door of closed container cavity, described cabinet is also fixed with wheel, protection equipment for transformer and line protective devices are provided with in described container cavity, also storage battery is fixed with in described container cavity, described storage battery respectively with protection equipment for transformer, line protective devices are electrically connected, also charging device is provided with in described container cavity, described charging device is connected with storage battery, also self-checking unit is provided with in described cabinet, described protection equipment for transformer, line protective devices detect by self-checking unit, described self-checking unit is connected with storage battery, described cabinet is also provided with alarm, described alarm is provided with the controller controlling alarm work, described controller and the mutual communication of self-checking unit, also wiring construction is fixed with in described cabinet.
As preferably, described wheel is fixed on cabinet by wheel seat, described wheel seat is rotationally connected and is arranged on cabinet, described wheel seat is provided with the groove holding wheel, described wheel is arranged in groove by wheel shaft, the sidewall of described groove is also fixed with the retaining mechanism of locking wheel, described retaining mechanism comprises locking shell fragment, described locking shell fragment comprises and is welded on stiff end in recess sidewall and the free end relative with stiff end, the sidewall of described groove be also fixed with the free end locking of operation fixation spring tab or unclamp the action bars of wheel, described action bars is rotatably connected on the sidewall of groove, described action bars comprises the body of rod and cylinder that is vertical with the body of rod and that contact with locking shell fragment, described cylinder and the body of rod are integral type structure, by arranging locking mechanism, can easily by device locking on a corresponding position, device positioning stablity, easy to operate, in addition, by setting operation bar, device positioning action is convenient, reduces the labour intensity of technical staff.
As preferably, described cabinet door is rotatably connected on cabinet by door bolt, described cabinet is provided with the gate slot of accomodation case door, described gate slot communicates with container cavity, described cabinet is provided with the pin-and-hole suitable with door bolt, described cabinet is also provided with on the sidewall arranging pin-and-hole the chute that cabinet door 3 can be made to slide after cabinet door 3 is opened, the slideway that door bolt can be slided is provided with in described chute, described slideway communicates with chute, described pin-and-hole communicates with slideway, after described cabinet door termination container cavity, described chute is vertical with cabinet door, by arranging chute and sliding, cabinet door can slide along groove after opening, namely cabinet door can increase the overlapping area with cabinet by sliding, thus when making device access electrical network, the length of circuit can be shortened, with the wiring avoiding cabinet door to open rear interference circuit, use very convenient.
As preferably, described wiring construction comprises the binding post adopting line pressing bolt fixing cord and the wiring hole adopting inserting mode fixing cord, all independently wiring hole is in parallel with one for each binding post, equal label on described wiring hole and binding post, specifically, binding post and wiring hole are connected in parallel, and can complete wiring in wiring process by binding post or wiring hole, patching operations is very convenient, substantially increases the operating efficiency of technical staff.
As preferably; described container cavity internal fixtion of stating has shelf; described shelf is welded on cabinet; floor is provided with between described shelf and cabinet; described floor is welded between cabinet and shelf, by container cavity internal fixtion shelf, is positioned at the devices such as the protection equipment for transformer of container cavity, line protective devices and fixes very convenient; and fixing reliable, improve the stability of device in concrete use procedure.
As preferably, described cabinet is also provided with several louvres, be connected with in described louvre and filter sponge, by louvre is set and in louvre clamping filter sponge, heat in container cavity can distribute by louvre fast, and filter sponge to play a role in filtering, avoid extraneous dust to enter container cavity inside, extend the useful life of device.
Portable protective relaying device for power distribution network provided by the invention, tool has the following advantages: be provided with protection equipment for transformer and line protective devices in container cavity, also storage battery is fixed with in described container cavity, described storage battery is electrically connected with protection equipment for transformer, line protective devices respectively, also charging device is provided with in described container cavity, also self-checking unit is provided with in described cabinet, described protection equipment for transformer, line protective devices detect by self-checking unit, and described self-checking unit is connected with storage battery; By arranging protection equipment for transformer and line protective devices in cabinet, device can be incorporated to rapidly in power distribution circuit in use procedure, the two ends needing the power distribution unit changed or need repairing in parallel, thus the replacing of distribution components can be carried out when not stopping electrical network normally running, portable protective relaying device plays the effect of temporary protection electrical network in concrete use procedure, therefore, by arranging wheel on cabinet, easily device can be moved on corresponding position, use very convenient; In addition, self-checking unit, storage battery and charging device, make portable protective relaying device use further more flexible, more convenient to operate, substantially increase the operating efficiency of technical staff.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of the present invention for the portable protective relaying device of power distribution network,
Accompanying drawing 2 is A-A place cutaway views in accompanying drawing 1,
Accompanying drawing 3 is right views of accompanying drawing 1,
The front view of accompanying drawing 4 after to be the present invention open for the portable protective relaying device cabinet door of power distribution network,
Accompanying drawing 5 is B-B place cutaway views in accompanying drawing 4,
Accompanying drawing 6 is the present invention's schematic diagrames for wheel in the portable protective relaying device of power distribution network.
Embodiment
Below in conjunction with accompanying drawing, the portable protective relaying device for power distribution network of the present invention is described further.As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6, for the portable protective relaying device of power distribution network, comprise cabinet 1, in described cabinet 1, be provided with container cavity 2, described cabinet 1 is fixed with the cabinet door 3 of closed container cavity 2, described cabinet 1 is also fixed with wheel 4, and be provided with protection equipment for transformer 5 and line protective devices 6 in described container cavity 2, described Protector for transformer and line protector are common unit of the prior art, as Protector for transformer can select RCS-9679C series, line protector can select RCS-9615C series;
See Fig. 4, storage battery 7 is also fixed with in described container cavity 2, described storage battery 7 respectively with protection equipment for transformer 5, line protective devices 6 are electrically connected, charging device 8 is also provided with in described container cavity 2, described charging device 8 is electrically connected with storage battery 7, self-checking unit 9 is also provided with in described cabinet 1, described protection equipment for transformer 5, line protective devices 6 detect by self-checking unit 9, described self-checking unit 9 is electrically connected with storage battery 7, described cabinet 1 is also provided with alarm 10, described alarm 10 is provided with the controller 11 controlling alarm 10 and work, described controller 11 and self-checking unit 9 communication mutually, wiring construction 12 is also fixed with in described cabinet 1, namely Protector for transformer, line protector, self-checking unit 9 are powered by storage battery 7, storage battery 7 is then charged by charging device 8, in self-checking unit 9 running, fault detect is carried out to Protector for transformer, line protector, send signal to controller 11 after fault being detected then to control alarm 10 by controller 11 and work, controller 11 and alarm 10 can be powered by storage battery 7, and independently supply power mode also can be adopted to power.
See Fig. 6, wheel 4 is fixed on cabinet 1 by wheel seat 13, described wheel seat 13 is rotationally connected and is arranged on cabinet 1, wheel parliament can be fixed on cabinet 1 by axle or riveting method, this wheel seat 13 should rotate to make cabinet 1 when mobile, technical staff can make base rotation easily thus change the moving direction of cabinet 1, described wheel seat 13 is provided with the groove 14 holding wheel 4, described wheel 4 is arranged in groove 14 by wheel shaft 15, the sidewall of described groove 14 is also fixed with the retaining mechanism 16 of locking wheel 4, described retaining mechanism 16 comprises locking shell fragment 17, described locking shell fragment 17 comprises and is welded on stiff end 19 on groove 14 sidewall and the free end 18 relative with stiff end 19, the free end 18 sidewall of described groove 14 being also fixed with operation fixation spring tab is locked or unclamps the action bars 20 of wheel 4, described action bars 20 is rotatably connected on the sidewall of groove 14, described action bars 20 comprises the body of rod 21 and cylinder 22 that is vertical with the body of rod 21 and that contact with locking shell fragment 17, described cylinder 22 is integral type structure with the body of rod 21, in use procedure, locking shell fragment 17 is welded on the sidewall of groove 14, when needing locking wheel 4, rotate the body of rod 21, the body of rod 21 is made to drive cylinder 22 to rotate, because cylinder 22 contacts with locking shell fragment 17, cylinder 22 rotates the tight shell fragment 17 of time control lockmaking and presses to wheel 4, until locking shell fragment 17 is adjacent to wheel 4, after wheel 4 is locked, the body of rod 21 should have with horizontal plane the angle being greater than 10 degree, and with the pivot of the body of rod 21 for initial point, the body of rod 21 should be positioned at fourth quadrant, automatically slip off to avoid the body of rod 21, cause cabinet 1 positioning performance poor,
In order to improve the positioning performance of cabinet 1, decorative pattern can be set on locking shell fragment 17 to increase the coefficient of friction of locking shell fragment 17 and wheel 4, thus can in locking by wheel 4, in addition, cylinder 22 also can arrange decorative pattern with locking shell fragment 17 contact position, as arranged decorative pattern or arrange decorative pattern in cylinder 22 end on locking shell fragment 17, to increase cylinder 22 and the coefficient of friction of locking shell fragment 17, improve the stability after wheel 4 locking.
See Fig. 1, Fig. 2, Fig. 4, Fig. 5, described cabinet door 3 is rotatably connected on cabinet 1 by door bolt 23, described cabinet 1 is provided with the gate slot 24 of accomodation case door 3, described gate slot 24 communicates with container cavity 2, described cabinet 1 is provided with the pin-and-hole suitable with door bolt 23, described cabinet 1 is also provided with on the sidewall arranging pin-and-hole the chute 25 that cabinet door 3 can be made to slide after cabinet door 3 is opened, the slideway 26 that door bolt 23 can be slided is provided with in described chute 25, described slideway 26 communicates with chute 25, described pin-and-hole communicates with slideway 26, after described cabinet door 3 closes container cavity 2, described chute 25 is vertical with cabinet door 3, described chute 25 can be positioned at cabinet 1 i.e. container cavity 2, described chute 25 also can be positioned at outside cabinet 1, in use procedure, after cabinet door 3 is opened, namely time with container cavity 2 opening place plane orthogonal, by chute 25, cabinet door 3 can be pushed cabinet 1, cabinet door 3 is made to have maximum overlapping area with the sidewall of cabinet 1, during to reduce wiring, the interference of cabinet door 3 pairs of circuits.
Described wiring construction 12 comprises the binding post (not shown) adopting line pressing bolt fixing cord and the wiring hole (not shown) adopting inserting mode fixing cord, all independently wiring hole is in parallel with one for each binding post, equal label on described wiring hole and binding post.
See Fig. 4, described container cavity 2 internal fixtion of stating has shelf 27, described shelf 27 is welded on cabinet 1, floor 28 is provided with between described shelf 27 and cabinet 1, described floor 28 is welded between cabinet 1 and shelf 27, described shelf 27 also can be arranged on cabinet 1 by releasable connection mode, as screw connects, bolt connects, or, direct stationary positioned block on the sidewall of cabinet 1, and then shelf 27 is placed on above locating piece, locating piece is utilized to position shelf 27, this locating piece can be fixed on cabinet 1 by any mode, as being threaded, welding etc.
Protector for transformer, line protector; self-checking unit 9, alarm 10, storage battery 7 and charging device 8 etc. can be arranged arbitrarily in container cavity 2; in order to make protective relaying device wiring convenient; each parts can be arranged in the following way; as: Protector for transformer is arranged on the highest one deck of vertical height; then be downwards line protector, self-checking unit 9 successively; storage battery 7 and charging device 8 can be arranged on lowermost one deck, and alarm 10 can be arranged on same layer with Protector for transformer.
See Fig. 3, described cabinet 1 is also provided with several louvres 29, is connected with in described louvre 29 and filters sponge 30.
Technique scheme in use, before using, first with self-checking unit 9, self-inspection is carried out to portable protective relaying device, this self-checking behavior can be manual, as passed through switch control rule self-checking unit 9 action on self-checking unit 9, this self-checking unit 9 also can be automatic, as opened any parts in cabinet 1, namely self-checking unit 9 is started, during specific design, generally there is master switch in cabinet 1, the startup of self-checking unit 9 can adopt the master switch opened in cabinet 1 namely to carry out self-checking behavior, in use procedure, what protective relaying device is connected in parallel on needs replacing joins parts two ends, thus the replacing of distribution components can be carried out when not stopping electrical network normally running, portable protective relaying device plays the effect of temporary protection electrical network in concrete use procedure, therefore, by arranging wheel 4 on cabinet 1, can easily device be moved on corresponding position, use very convenient, in addition, self-checking unit 9, storage battery 7 and charging device 8, make portable protective relaying device use further more flexible, more convenient to operate, substantially increase the operating efficiency of technical staff.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.Those skilled in the art will appreciate that all amendments made based on the technology of the present invention content, change or substitute technology feature, all should be covered by the technology category of claims of the present invention opinion.
Claims (6)
1. for the portable protective relaying device of power distribution network, it is characterized in that: comprise cabinet (1), container cavity (2) is provided with in described cabinet (1), described cabinet (1) is fixed with the cabinet door (3) of closed container cavity (2), described cabinet (1) is also fixed with wheel (4), protection equipment for transformer (5) and line protective devices (6) are provided with in described container cavity (2), storage battery (7) is also fixed with in described container cavity (2), described storage battery (7) respectively with protection equipment for transformer (5), line protective devices (6) are electrically connected, charging device (8) is also provided with in described container cavity (2), described charging device (8) is electrically connected with storage battery (7), self-checking unit (9) is also provided with in described cabinet (1), described protection equipment for transformer (5), line protective devices (6) detect by self-checking unit (9), described self-checking unit (9) is electrically connected with storage battery (7), described cabinet (1) is also provided with alarm (10), described alarm (10) is provided with the controller (11) controlling alarm (10) and work, described controller (11) and self-checking unit (9) communication mutually, wiring construction (12) is also fixed with in described cabinet (1).
2. the portable protective relaying device for power distribution network according to claim 1, it is characterized in that: described wheel (4) is fixed on cabinet (1) by wheel seat (13), described wheel seat (13) is rotationally connected and is arranged on cabinet (1), described wheel seat (13) is provided with the groove (14) holding wheel (4), described wheel (4) is arranged in groove (14) by wheel shaft (15), the sidewall of described groove (14) is also fixed with the retaining mechanism (16) of locking wheel (4), described retaining mechanism (16) comprises locking shell fragment (17), described locking shell fragment (17) comprises and is welded on stiff end (19) on groove (14) sidewall and the free end (18) relative with stiff end (19), the action bars (20) of wheel (4) is locked or unclamped to the free end (18) sidewall of described groove (14) being also fixed with operation fixation spring tab, described action bars (20) is rotatably connected on the sidewall of groove (14), described action bars (20) comprises the body of rod (21) and cylinder (22) that is vertical with the body of rod (21) and that contact with locking shell fragment (17), described cylinder (22) and the body of rod (21) are integral type structure.
3. the portable protective relaying device for power distribution network according to claim 1, it is characterized in that: described cabinet door (3) is rotatably connected on cabinet (1) by door bolt (23), described cabinet (1) is provided with the gate slot (24) of accomodation case door (3), described gate slot (24) communicates with container cavity (2), described cabinet (1) is provided with the pin-and-hole suitable with door bolt (23), described cabinet (1) is also provided with on the sidewall arranging pin-and-hole the chute (25) that cabinet door (3) can be made to slide after cabinet door (3) is opened, the slideway (26) that door bolt (23) can be slided is provided with in described chute (25), described slideway (26) communicates with chute (25), described pin-and-hole communicates with slideway (26), after described cabinet door (3) closes container cavity (2), described chute (25) is vertical with cabinet door (3).
4. the portable protective relaying device for power distribution network according to claim 1; it is characterized in that: described wiring construction (12) comprises the binding post adopting line pressing bolt fixing cord and the wiring hole adopting inserting mode fixing cord; all independently wiring hole is in parallel with one for each binding post, equal label on described wiring hole and binding post.
5. the portable protective relaying device for power distribution network according to claim 1; it is characterized in that: described in state container cavity (2) internal fixtion and have shelf (27); described shelf (27) is welded on cabinet (1); be provided with floor (28) between described shelf (27) and cabinet (1), described floor (28) is welded between cabinet (1) and shelf (27).
6. the portable protective relaying device for power distribution network according to claim 1; it is characterized in that: described cabinet (1) is also provided with several louvres (29), be connected with in described louvre (29) and filter sponge (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229540.1A CN105305235B (en) | 2015-05-07 | 2015-05-07 | portable relay protection device for distribution network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229540.1A CN105305235B (en) | 2015-05-07 | 2015-05-07 | portable relay protection device for distribution network |
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| Publication Number | Publication Date |
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| CN105305235A true CN105305235A (en) | 2016-02-03 |
| CN105305235B CN105305235B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510229540.1A Active CN105305235B (en) | 2015-05-07 | 2015-05-07 | portable relay protection device for distribution network |
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| CN203747378U (en) * | 2014-03-13 | 2014-07-30 | 攀钢集团攀枝花钢钒有限公司 | Transformer microcomputer protection system |
| CN204304401U (en) * | 2014-12-17 | 2015-04-29 | 中国船舶重工集团公司第七一二研究所 | A kind of transformer fault that advances is protected and diagnostic device |
| CN204558900U (en) * | 2015-04-10 | 2015-08-12 | 国家电网公司 | For the portable protective relaying device of power distribution network |
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2015
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| CN2642538Y (en) * | 2003-08-28 | 2004-09-22 | 宜炫企業有限公司 | Braking structure of casters |
| CN201466695U (en) * | 2009-08-21 | 2010-05-12 | 上海锐安自动化***有限公司 | Multifunctional relay protection device |
| WO2011032585A1 (en) * | 2009-09-16 | 2011-03-24 | EMAC (Electromechanical Applications Consulting) Limited | Apparatus for protecting a medium voltage distribution transformer and the distribution line upstream of the transformer |
| EP2523292A1 (en) * | 2011-05-09 | 2012-11-14 | ABB Technology AG | A method and a system for protecting a power transformer against voltage surges while the circuit breaker is opening |
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| CN105305235B (en) | 2017-05-03 |
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