CN213693134U - Leakage protection device based on wire outlet cabinet - Google Patents
Leakage protection device based on wire outlet cabinet Download PDFInfo
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- CN213693134U CN213693134U CN202021985483.2U CN202021985483U CN213693134U CN 213693134 U CN213693134 U CN 213693134U CN 202021985483 U CN202021985483 U CN 202021985483U CN 213693134 U CN213693134 U CN 213693134U
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Abstract
The utility model belongs to the technical field of the earth leakage protection technique and specifically relates to a earth leakage protection device based on wire outgoing cabinet, including the wire outgoing cabinet shell, the inboard fixedly connected with power-off protection device assembly in bottom of wire outgoing cabinet shell, the top outside of power-off protection device assembly is provided with anti-interference signal line, anti-interference signal line's top outside electrically connected with zero sequence current transformer, and zero sequence current transformer's the right-hand member outside is connected with the inboard contact of the right-hand member of the wire outgoing cabinet shell, zero sequence current transformer's the one end outside fixedly connected with stationary ring support, and the right-hand member outside of stationary ring support is connected with the inboard contact of the right-hand member of the wire outgoing cabinet shell, stationary ring support's one end inboard is provided with the locking bolt, the utility model discloses in, through anti-interference signal line, zero sequence, The locking bolt can realize the condition that whether the device detects the electric leakage of the output wire.
Description
Technical Field
The utility model relates to an earth leakage protection technical field specifically is an earth leakage protection device based on wire outgoing cabinet.
Background
The term of the outgoing line cabinet is a high-low voltage power distribution cabinet, the high-low voltage power distribution cabinet is power distribution equipment for carrying out electric energy distribution, control, measurement and connecting cables in a power supply system as the name implies, a general power supply station and a substation use a high-voltage switch cabinet, then the low-voltage power distribution cabinet is led out from a transformer step-down low-voltage side, the low-voltage power distribution cabinet goes to a distribution board of each power consumption, a control box and a switch box are arranged in the control box, the switch box and protection devices such as switches, breakers, fuses, buttons, indicator lamps, instruments and wires are assembled into a whole to reach the equipment of the power distribution device with the design function requirements.
The situation that electric leakage occurs at one end of an electric wire inside the outgoing line cabinet can cause an unforstimable safety accident, and therefore the electric leakage protection device based on the outgoing line cabinet is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an earth leakage protection device based on wire outgoing cabinet to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an electric leakage protection device based on a wire outlet cabinet comprises a wire outlet cabinet shell, wherein the bottom inner side of the wire outlet cabinet shell is fixedly connected with a power-off protection device assembly, the power-off protection device assembly comprises a power-off protection device shell, an annular electromagnet, a hard round iron sheet, a compression spring, a fixed rod, a first conducting strip, a second conducting strip, a sliding rod, a sliding limiting block and a sliding shell, the bottom outer side of the power-off protection device shell is fixedly connected with the bottom inner side of the wire outlet cabinet shell, the top outer side of the power-off protection device assembly is provided with an anti-interference signal wire, the top outer side of the anti-interference signal wire is electrically connected with a zero sequence current transformer, the right end outer side of the zero sequence current transformer is in contact connection with the right end inner side of the wire outlet cabinet shell, the outer side of one end of the zero sequence current transformer is fixedly connected with a fixed annular support, and, and a locking bolt is arranged on the inner side of one end of the fixed annular support, and the outer side of the right end of the locking bolt is fixedly connected with the inner side of the right end of the wire outlet cabinet shell.
Preferably, the inside of the left end of the outlet cabinet shell is fixedly connected with an outlet cabinet distributor, the inside of the right end of the outlet cabinet distributor is provided with an output wire, and the outside of one end of the output wire is in contact connection with the inside of the right end of the outlet cabinet shell.
Preferably, the inboard fixedly connected with annular electromagnet in bottom of power protection device shell, the contact of the top outside of annular electromagnet is connected with stereoplasm disc, the one end downside fixedly connected with compression spring of stereoplasm disc, and compression spring's the bottom outside and the bottom upside fixed connection of power protection device shell.
Preferably, the bottom upper side of the power-off protection device shell is fixedly connected with a fixed rod, the top outer side of the fixed rod is fixedly connected with a first conducting strip, the top outer side of the first conducting strip is in contact connection with a second conducting strip, the top outer side of the second conducting strip is fixedly connected with a sliding rod, and the bottom outer side of the sliding rod is fixedly connected with the inner side of one end of the hard round iron sheet.
Preferably, the top outside fixedly connected with of slide bar slides the stopper, the one end outside sliding connection of the stopper that slides has the slip shell, and the top outside of slip shell and the top downside fixed connection of power protection device shell, and the bottom inboard of slip shell and the one end outside sliding connection of slide bar.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, through the anti-interference signal line, zero sequence current transformer, the fixed ring shape support, the locking bolt that set up, can realize that the device detects the condition whether the output wire has the electric leakage, zero sequence current transformer is single turn punching current transformer, when taking place to electrocute or the electric leakage trouble in the circuit, zero sequence current transformer secondary side output zero sequence current, zero sequence current transformer can pass through the anti-interference signal line transmission signal of telecommunication, makes other devices implement the power-off protection.
2. In the utility model, the device can carry out rapid power-off protection through the power-off protection device assembly, meanwhile, after the device is powered off, the device can not be directly connected with the circuit after being powered on again, the protection safety of the device is improved, when the device does not receive an abnormal signal sent by an anti-interference signal line, the annular electromagnet is in a long-time power-on state, the annular electromagnet can generate magnetic force for a long time to adsorb the hard round iron sheet, the first conducting sheet is contacted with the second conducting sheet through a series of transmission, when the power-off protection device assembly receives an abnormal signal sent by the anti-interference signal line, the annular electromagnet can be immediately powered off, the annular electromagnet loses the magnetic adsorption capacity to the hard round iron sheet, and the hard round iron sheet can drive the sliding rod to drive the second conducting strip to move upwards to be separated from the first conducting strip, so that quick power-off protection is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the power-off protection device assembly of the present invention;
fig. 3 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.
In the figure: 1-outlet cabinet shell, 2-power-off protection device assembly, 201-power-off protection device shell, 202-annular electromagnet, 203-hard round iron sheet, 204-compression spring, 205-fixed rod, 206-first conducting sheet, 207-second conducting sheet, 208-sliding rod, 209-sliding limiting block, 210-sliding shell, 3-anti-interference signal line, 4-zero sequence current transformer, 5-fixed annular bracket, 6-locking bolt, 7-outlet cabinet distributor and 8-output wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
an electric leakage protection device based on an outgoing line cabinet comprises an outgoing line cabinet shell 1, wherein the inner side of the bottom end of the outgoing line cabinet shell 1 is fixedly connected with a power-off protection device assembly 2, the power-off protection device assembly 2 can perform power-off protection on the device through the arrangement, the power-off protection device assembly 2 comprises a power-off protection device shell 201, an annular electromagnet 202, a hard round iron sheet 203, a compression spring 204, a fixed rod 205, a first conducting sheet 206, a second conducting sheet 207, a sliding rod 208, a sliding limiting block 209 and a sliding shell 210, the outer side of the bottom end of the power-off protection device shell 201 is fixedly connected with the inner side of the bottom end of the outgoing line cabinet shell 1, an anti-interference signal line 3 is arranged on the outer side of the top end of the anti-interference signal line 3 is electrically connected with a zero sequence current transformer 4, and the outer side of the right end of the zero sequence current transformer 4, the one end outside fixedly connected with fixed ring carrier 5 of zero sequence current transformer 4, this kind of setting can make zero sequence current transformer 4 install fixedly through fixed ring carrier 5, and the right-hand member outside of fixed ring carrier 5 is connected with the inboard contact of the right-hand member of the cabinet shell 1 of being qualified for the next round of competitions, the one end inboard of fixed ring carrier 5 is provided with locking bolt 6, this kind of setting can make fixed ring carrier 5 install through locking bolt 6, and the right-hand member outside of locking bolt 6 and the inboard fixed connection of the right-hand member of the cabinet shell 1 of being qualified for the next round of competitions.
The inner side of the left end of the outgoing line cabinet shell 1 is fixedly connected with an outgoing line cabinet distributor 7, the inner side of the right end of the outgoing line cabinet distributor 7 is provided with an output wire 8, the outer side of one end of the output wire 8 is in contact connection with the inner side of the right end of the outgoing line cabinet shell 1, the arrangement can enable the output wire 8 to be installed more stably, the inner side of the bottom end of the power-off protection device shell 201 is fixedly connected with an annular electromagnet 202, the outer side of the top end of the annular electromagnet 202 is in contact connection with a hard round iron sheet 203, the lower side of one end of the hard round iron sheet 203 is fixedly connected with a compression spring 204, the arrangement can enable the compression spring 204 to apply an elastic force to the hard round iron sheet 203, the outer side of the bottom end of the compression spring 204 is fixedly connected with the upper side of the bottom end of the power-off protection device shell 201, this kind of setting can make dead lever 205 install first conducting strip 206, the contact of the top outside of first conducting strip 206 is connected with second conducting strip 207, the top outside fixedly connected with slide bar 208 of second conducting strip 207, and the bottom outside of slide bar 208 and the inboard fixed connection of one end of stereoplasm disc 203, the top outside fixedly connected with slip stopper 209 of slide bar 208, this kind of setting can make slide bar 208 drive slip stopper 209 and remove, the one end outside sliding connection of slip stopper 209 has slip shell 210, and the top outside of slip shell 210 and the top downside fixed connection of outage protection device shell 201, and the bottom inboard sliding connection of slip shell 210 and the one end outside sliding connection of slide bar 208.
The working process is as follows: the utility model needs to be powered by an external power supply before use, the zero sequence current transformer 4 is a single turn straight-through current transformer, when an electric shock or leakage fault occurs in the circuit, the zero sequence current is output from the secondary side of the transformer, the zero sequence current transformer 4 can transmit an electric signal through the anti-interference signal line 3, so that other devices can carry out power-off protection, when the power-off protection device assembly 2 does not receive an abnormal signal sent by the anti-interference signal line 3, the annular electromagnet 202 is in a long-time power-on state, the annular electromagnet 202 can generate magnetic force for a long time to adsorb the hard round iron sheet 203, the hard round iron sheet 203 can overcome the elasticity of the compression spring 204 to drive the sliding rod 208 so as to drive the second conducting sheet 207 to move, so that the first conducting sheet 206 is in contact with the second conducting sheet 207, when the power-off protection device assembly 2 receives the abnormal, can give annular electromagnet 202 outage immediately, make annular electromagnet 202 lose the magnetic adsorption ability to stereoplasm disc piece 203, thereby stereoplasm disc piece 203 can drive slide bar 208 and drive second conducting strip 207 rebound and the separation of first conducting strip 206, realize quick power-off protection, restart the back when the device outage, power-off protection device assembly 2 can directly not be switched on, need artifical manual circular electromagnet 202 of giving to switch on, can realize that the device switches on again and also can not the direct current circuit, increase the protection security of device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a leakage protection device based on cabinet of being qualified for next round of competitions, includes cabinet shell (1) of being qualified for the next round of competitions, its characterized in that: the power-off protection device assembly (2) is fixedly connected to the inner side of the bottom end of the outgoing line cabinet shell (1), the power-off protection device assembly (2) comprises a power-off protection device shell (201), an annular electromagnet (202), a hard round iron sheet (203), a compression spring (204), a fixed rod (205), a first conducting sheet (206), a second conducting sheet (207), a sliding rod (208), a sliding limiting block (209) and a sliding shell (210), the outer side of the bottom end of the power-off protection device shell (201) is fixedly connected with the inner side of the bottom end of the outgoing line cabinet shell (1), an anti-interference signal line (3) is arranged on the outer side of the top end of the power-off protection device assembly (2), a zero-sequence current transformer (4) is electrically connected to the outer side of the top end of the anti-interference signal line (3), and the outer side of the right end of the zero-sequence, the outer side of one end of the zero sequence current transformer (4) is fixedly connected with a fixed annular support (5), the outer side of the right end of the fixed annular support (5) is in contact connection with the inner side of the right end of the outgoing line cabinet shell (1), the inner side of one end of the fixed annular support (5) is provided with a locking bolt (6), and the outer side of the right end of the locking bolt (6) is fixedly connected with the inner side of the right end of the outgoing line cabinet shell (1).
2. An earth leakage protection device based on an outgoing line cabinet as claimed in claim 1, wherein: the wire outgoing cabinet is characterized in that a wire outgoing cabinet distributor (7) is fixedly connected to the inner side of the left end of the wire outgoing cabinet shell (1), an output wire (8) is arranged on the inner side of the right end of the wire outgoing cabinet distributor (7), and the outer side of one end of the output wire (8) is in contact connection with the inner side of the right end of the wire outgoing cabinet shell (1).
3. An earth leakage protection device based on an outgoing line cabinet as claimed in claim 1, wherein: the power-off protection device comprises a power-off protection device shell (201), wherein an annular electromagnet (202) is fixedly connected to the inner side of the bottom end of the power-off protection device shell (201), a hard round iron sheet (203) is connected to the outer side of the top end of the annular electromagnet (202) in a contact mode, a compression spring (204) is fixedly connected to the lower side of one end of the hard round iron sheet (203), and the outer side of the bottom end of the compression spring (204) is fixedly connected with the upper side of the bottom end of.
4. An earth leakage protection device based on an outgoing line cabinet as claimed in claim 1, wherein: the utility model discloses a power-off protection device, including power-off protection device shell (201), the bottom upside fixedly connected with dead lever (205), the first conducting strip (206) of top outside fixedly connected with of dead lever (205), the top outside contact of first conducting strip (206) is connected with second conducting strip (207), the top outside fixedly connected with slide bar (208) of second conducting strip (207), and the bottom outside of slide bar (208) and the inboard fixed connection of one end of stereoplasm disc (203).
5. An earth leakage protection device based on an outgoing line cabinet as claimed in claim 1, wherein: the top outside fixedly connected with slip stopper (209) of slip pole (208), the one end outside sliding connection of slip stopper (209) has slip shell (210), and the top outside of slip shell (210) and the top downside fixed connection of outage protection device shell (201), and the bottom inboard of slip shell (210) and the one end outside sliding connection of slip pole (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985483.2U CN213693134U (en) | 2020-09-11 | 2020-09-11 | Leakage protection device based on wire outlet cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985483.2U CN213693134U (en) | 2020-09-11 | 2020-09-11 | Leakage protection device based on wire outlet cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN213693134U true CN213693134U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021985483.2U Active CN213693134U (en) | 2020-09-11 | 2020-09-11 | Leakage protection device based on wire outlet cabinet |
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| CN (1) | CN213693134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119653677A (en) * | 2024-11-08 | 2025-03-18 | 国网河南省电力公司西峡县供电公司 | A distributed power supply coordinator to prevent leakage |
-
2020
- 2020-09-11 CN CN202021985483.2U patent/CN213693134U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119653677A (en) * | 2024-11-08 | 2025-03-18 | 国网河南省电力公司西峡县供电公司 | A distributed power supply coordinator to prevent leakage |
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