CN214378294U - Visual type intelligent residual current operated protector of disconnection point - Google Patents

Visual type intelligent residual current operated protector of disconnection point Download PDF

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Publication number
CN214378294U
CN214378294U CN202120070957.9U CN202120070957U CN214378294U CN 214378294 U CN214378294 U CN 214378294U CN 202120070957 U CN202120070957 U CN 202120070957U CN 214378294 U CN214378294 U CN 214378294U
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China
Prior art keywords
base
residual current
current operated
disconnection point
controller
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Application number
CN202120070957.9U
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Chinese (zh)
Inventor
朱赢健
高久国
贾钘楠
赵磊
余畅
刘锦星
唐晨亮
孙海洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Anji Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Huzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN202120070957.9U priority Critical patent/CN214378294U/en
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Abstract

The utility model relates to a smart power grids technical field, concretely relates to disconnected point visual type intelligence residual current operated protective device. Including base, casing, upper cover, handheld combined floodgate inserted sheet, switch control storehouse, a plurality of static contact, a plurality of inlet wire interface, a plurality of load interface and controller, switch control storehouse and controller are all installed on the base, upper cover and casing all are connected with the base, the inlet wire interface is installed on base upper portion, the load interface is installed in the base lower part, switch control storehouse is including location bolt, moving contact, slot. The beneficial effects of the utility model are that: the special handheld closing insertion piece is in butt joint, the butt joint is accurate and tight, and misoperation is prevented; the circuit breaker has the comprehensive protection functions of electric leakage, short circuit and overload of a common circuit breaker.

Description

Visual type intelligent residual current operated protector of disconnection point
Technical Field
The utility model relates to a smart power grids technical field, concretely relates to transformer combustible gas intelligence gas collection box.
Background
The isolation knife switch of the power distribution network is one of power equipment commonly used in the power distribution network, and is mainly characterized in that the isolation knife switch has no arc extinguishing capability and can be switched on and off only under the condition of no load current. The main functions are as follows: after opening, establishing a reliable insulation gap, and isolating equipment or a circuit to be overhauled from a power supply by using an obvious disconnection point so as to ensure the safety of maintainers and equipment; according to the operation requirement, the line is switched in case of power failure; circuit breakers are used for distribution protection and motor protection, which are used in distribution networks to distribute electrical energy and as overload and short circuit protection for lines and power supply equipment.
However, with the development of devices and technologies, it also shows some limitations, and although the existing intelligent circuit breakers all have protection functions such as overload, short circuit, electric leakage and the like, the existing intelligent circuit breakers all have a switching-off function, but because the structural factors of the circuit breakers do not have the switching-off function of the obviously visible switching-off point of the disconnecting link, the circuit breakers are easy to operate by mistake during power failure maintenance. In summary, an intelligent device with a disconnecting link and an intelligent circuit breaker integrated into a whole is particularly needed to overcome the above defects in the prior art, not only has all the advantages of the common electronic molded case circuit breaker, but also overcomes the limitations thereof, increases a human-computer interface, adopts a multifunctional light touch key, and increases the humanization of the operation to overcome the problems of the conventional molded case circuit breaker and the common electronic circuit breaker.
Chinese patent, publication No. CN205027839U, open 2016, 10.02/10.A, an intelligent tester for residual current operated protective devices is disclosed, which comprises a test module group, an RS485 communication interface, a clock module, an MCU controller, a display module, a local recording memory and an audio-visual alarm module, wherein the test module group inputs test data on a tested device into the MCU controller through the RS485 communication interface, the MCU controller outputs the data to the local recording memory, and simultaneously displays the data on the display module, in addition, the MCU controller analyzes and judges the data in the test module group, if the data is not in accordance with a value set in the MCU controller, the audio-visual alarm module is activated by the MCU controller, the clock module provides a time scale for the MCU controller, and the MCU controller is further connected with a parameter input module, a USB interface, a data printing interface, a calibration interface and an extension interface. The utility model discloses effectively reduce because of the influence of human factor to measuring result.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an existing intelligent residual current work protector can't observe obvious disconnection point, can't judge whether to break off in maintenance power access that needs.
In order to solve the above problems, the present invention provides the following technical solutions: the utility model provides a disconnection point visual type intelligence residual current operated protective device, includes base, casing, upper cover, handheld combined floodgate inserted sheet, switch control storehouse, a plurality of static contact, a plurality of inlet wire interface, a plurality of load interface and controller, switch control storehouse and controller are all installed on the base, upper cover and casing all are connected with the base, the inlet wire interface is installed on base upper portion, the load interface is installed in the base lower part, switch control storehouse includes location bolt, moving contact, slot, the symmetry is equipped with a plurality of to the standing groove on the base, all be equipped with the moving contact in the standing groove, handheld combined floodgate inserted sheet and moving contact bayonet lock joint, a plurality of the static contact is installed on the base, the static contact position matches with the moving contact.
The utility model provides a take switch and intelligent circuit breaker formula as an organic whole's power control equipment's design is through arranging switch control storehouse in the casing to through controller control. The switching-off function of the obvious visual breaking point of the disconnecting link is realized through the handheld switching-on inserting piece and the disconnecting link control bin, and misoperation is not easy to occur during power failure maintenance. The inlet wire interface on upper cover upper portion is used for the electric current input, and the load interface of upper cover lower part is used for connecting the electrical equipment load.
Preferably, the upper part of the upper cover is provided with a slot matched with the handheld closing insertion piece, a plurality of pairs of insertion pieces are arranged on two sides of the handheld closing insertion piece, and the insertion pieces are in insertion type buckling connection with the moving contact.
The slot on the upper part of the upper cover is matched with the handheld closing insertion piece for use. When the hand-held closing insertion piece is inserted into the slot, the insertion pieces on two sides of the hand-held closing insertion piece are buckled with the knife switch base.
Preferably, the middle part of the base is also provided with a screw hole, and the upper cover is butted with the screw hole.
Preferably, the middle part of the base is also provided with a limiting hole, and the end part of the handheld closing insertion piece is provided with a limiting rod corresponding to the limiting hole.
The limiting rod can enable the handheld switching-on insertion piece to be inserted into the position more conveniently.
Preferably, the intelligent control device further comprises a display screen, wherein the display screen is installed on the base and is connected with the controller.
This intelligence residual current operated protective device has still increased the human-computer interaction interface, realizes data interaction through the display screen on the casing, and the operation more increases the hommization.
Preferably, the device is further provided with a connecting copper bar, one end of the connecting copper bar is connected with the fixed contact, and the other end of the connecting copper bar is connected with the load interface.
Preferably, a mutual inductor is further arranged and installed in the shell, the mutual inductor is coupled with the connecting copper bar and detects current on the connecting copper bar, and the mutual inductor is connected with the controller.
The copper bar is connected with the static contact and the load, the mutual inductor coupled with the copper bar detects the current on the copper bar, and transmits the data to the controller.
The beneficial effects of the utility model are that: the special handheld closing insertion piece is in butt joint, the butt joint is accurate and tight, and misoperation is prevented; the circuit breaker has the comprehensive protection functions of electric leakage, short circuit and overload of a common circuit breaker.
Drawings
Fig. 1 is a schematic diagram of an intelligent residual current operated protector according to the first embodiment.
Fig. 2 is a schematic view of a control cabin of the knife switch of the intelligent residual current operated protector according to the first embodiment.
Fig. 3 is a schematic diagram of an internal structure of the first embodiment of the intelligent residual current operated protector.
Wherein: 1. handheld combined floodgate inserted sheet, 2, slot, 3, inlet wire interface, 4, load interface, 5, display screen, 6, button, 7, static contact, 8, mutual-inductor, 9, connection copper bar, 10, base, 11, circuit breaker closing mechanism, 12, inserted sheet, 13, gag lever post, 14, moving contact.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, the intelligent disconnection point visible residual current operated protector comprises a base 10, a housing, an upper cover, a handheld closing insertion piece 1, a disconnecting link control bin, a plurality of fixed contacts 7, a plurality of incoming line interfaces 3, a plurality of load interfaces 4 and a controller. The knife switch control cabin and the controller are both arranged on the base 10. The upper cover and the shell are both connected with the base 10, the incoming line interface 3 is installed on the upper portion of the base 10, and the load interface 4 is installed on the lower portion of the base 10.
As shown in fig. 2, the knife switch control cabin includes a positioning pin, a movable contact 14, and a slot 2. A plurality of pairs of placing grooves are symmetrically arranged on the base 10, and moving contacts 14 are arranged in the placing grooves. The hand-held closing insertion piece 1 is buckled with the moving contact in an insertion manner, and a plurality of static contacts 7 are arranged on the base 10. The position of the fixed contact 7 is matched with that of the movable contact 14. The end part of the handheld closing insertion piece 1 is provided with a limiting rod 13 corresponding to the limiting hole.
The upper part of the upper cover is provided with a slot 2 matched with the handheld closing inserting piece 1, a plurality of pairs of inserting pieces 12 are arranged on two sides of the handheld closing inserting piece 1, and the inserting pieces 12 are in inserted buckling connection with the moving contact 14. The insert 12 of the present embodiment is set in the placement groove by a rivet.
The middle part of the base is also provided with a limiting hole and a screw hole, the limiting hole is arranged on the base 10, and the upper cover is butted with the screw hole through a connecting hole. And mounting a screw hole and a limiting hole, and fixing the upper cover on the shell.
As shown in fig. 3, the intelligent disconnection-point visible residual current operated protection device described in this embodiment further includes a connecting copper bar 9. One end of the connecting copper bar 9 is connected with the static contact 7, and the other end of the connecting copper bar 9 is connected with the load interface 4. Meanwhile, a mutual inductor 8 is also arranged. Mutual-inductor 8 is installed in the casing, mutual-inductor 8 with connect the coupling of copper bar 9 to detect the electric current on connecting copper bar 9, mutual-inductor 8 is connected with the controller.
The breaker control cabin comprises a zero sequence current transformer installed on the basis of an air switch. The intelligent electromagnetic tripping device comprises an intelligent electronic control circuit, an electromagnetic tripping device, a power circuit, a display circuit and an electric switching-on circuit.
In addition, a display screen 5, keys 6 and a controller are included. The display screen 5 is installed on the upper cover, the controller is installed in the shell, and the display screen 5 is connected with the controller.
The above embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the technical scope of the claims.

Claims (7)

1. The utility model provides a disconnection point visual type intelligence residual current operated protective device, its characterized in that, includes base, casing, upper cover, handheld combined floodgate inserted sheet, switch control storehouse, a plurality of static contact, a plurality of inlet wire interface, a plurality of load interface and controller, switch control storehouse and controller are all installed on the base, upper cover and casing all are connected with the base, the inlet wire interface is installed on base upper portion, the load interface is installed in the base lower part, switch control storehouse includes location bolt, moving contact, slot, the symmetry is equipped with a plurality of pairs of standing grooves on the base, all be equipped with the moving contact in the standing groove, handheld combined floodgate inserted sheet and the bayonet lock joint of moving contact, a plurality of the static contact is installed on the base, the static contact position matches with the moving contact.
2. The intelligent residual current operated protector with visible disconnection point as claimed in claim 1, wherein the upper cover is provided with a slot matching with the handheld closing insertion piece, a plurality of pairs of insertion pieces are arranged on two sides of the handheld closing insertion piece, and the insertion pieces are buckled with the movable contact in an insertion manner.
3. A disconnection point visual type intelligent residual current operated protector as claimed in claim 1 or 2, wherein a screw hole is further formed in the middle of the base, and the upper cover is in butt joint with the screw hole.
4. The intelligent disconnection point residual current operated protector as claimed in claim 3, wherein a limiting hole is further formed in the middle of the base, and a limiting rod corresponding to the limiting hole is arranged at the end of the handheld closing insertion piece.
5. A disconnection point visual type intelligent residual current operated protector according to claim 2 or 4, further comprising a display screen, wherein the display screen is installed on the base, and the display screen is connected with the controller.
6. The intelligent disconnection point visible residual current operated protector as claimed in claim 5, further comprising a connecting copper bar, wherein one end of the connecting copper bar is connected with the fixed contact, and the other end of the connecting copper bar is connected with the load interface.
7. A disconnection point visual type intelligent residual current operated protector according to claim 6, further comprising a mutual inductor, wherein the mutual inductor is installed in the shell, the mutual inductor is coupled with the connecting copper bar and detects the current on the connecting copper bar, and the mutual inductor is connected with the controller.
CN202120070957.9U 2021-01-12 2021-01-12 Visual type intelligent residual current operated protector of disconnection point Active CN214378294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120070957.9U CN214378294U (en) 2021-01-12 2021-01-12 Visual type intelligent residual current operated protector of disconnection point

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120070957.9U CN214378294U (en) 2021-01-12 2021-01-12 Visual type intelligent residual current operated protector of disconnection point

Publications (1)

Publication Number Publication Date
CN214378294U true CN214378294U (en) 2021-10-08

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CN202120070957.9U Active CN214378294U (en) 2021-01-12 2021-01-12 Visual type intelligent residual current operated protector of disconnection point

Country Status (1)

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CN (1) CN214378294U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113140430A (en) * 2021-03-25 2021-07-20 国网浙江省电力有限公司湖州供电公司 Visual type intelligent residual current operated protector of disconnection point

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113140430A (en) * 2021-03-25 2021-07-20 国网浙江省电力有限公司湖州供电公司 Visual type intelligent residual current operated protector of disconnection point

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