CN107393782A - Primary cut-out - Google Patents
Primary cut-out Download PDFInfo
- Publication number
- CN107393782A CN107393782A CN201710692700.5A CN201710692700A CN107393782A CN 107393782 A CN107393782 A CN 107393782A CN 201710692700 A CN201710692700 A CN 201710692700A CN 107393782 A CN107393782 A CN 107393782A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- electrical apparatus
- base
- primary cut
- apparatus release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a kind of primary cut-out, is related to technical field of electric equipment, including base and main shaft, and be hinged set of main shaft is provided with multiple static contacts, multiple moving contacts are provided with main shaft in the base, on base, and moving contact is rotatablely connected with static contact；Also include setting zero sequence current mutual inductor and anti-electric shock apparatus in the base, be provided with current sensor, PLC module and drive circuit board in anti-electric shock apparatus, zero sequence current mutual inductor is connected with current sensor；Also electrically connected including one end with drive circuit board, the electrical apparatus release that the other end is connected with main shaft.During electric shock, the current value of zero sequence current mutual inductor is not zero, and current sensor senses current value, pass the information on to PLC module, PLC module promotes drive circuit board to excite electrical apparatus release, and electrical apparatus release driving main shaft rotates, so that moving contact and static contact separation, realize open circuit.The present invention has higher sensitivity and protection against electric shock performance, improves security and practicality.
Description
Technical field
The present invention relates to technical field of electric equipment, and in particular to a kind of primary cut-out.
Background technology
Primary cut-out is a kind of switchgear for being exclusively used in being switched on or switched off high-tension circuit, can not only when normal break-make
High-tension circuit, and can in short trouble cutoff high circuit.Control action is played in high-tension circuit, is in high-tension circuit
One of important electrical equipment.The Breaking capacity of primary cut-out can be made high in the fabrication process, rely primarily on and add electric current
Transformer coordinates secondary device to protect.
Primary cut-out on the market at present, due to general using material, surface of shell do not have preferable safeguard procedures or
Person's protective materials, cause service life relatively low.And due to user's operations involving high pressure, the sensitivity of common breaker is relatively low,
Cause that its protection against electric shock performance is relatively low, and isolation material is general, often bring certain potential safety hazard to operating personnel, practicality compared with
It is low.
The content of the invention
Present invention aims at a kind of primary cut-out is provided, there is higher sensitivity and protection against electric shock performance, Neng Gouyou
Effect eliminates the potential safety hazard in operating process, and practicality and security are higher.
To achieve the above object, the embodiment of the present invention is adopted the technical scheme that：A kind of primary cut-out is provided, including
Base and main shaft, the main shaft is be hinged to be arranged in the base, and multiple static contacts, the master are provided with the base
Multiple moving contacts are provided with rotating shaft, the moving contact is rotatablely connected with the static contact；Also include being arranged in the base
Zero sequence current mutual inductor and anti-electric shock apparatus, be provided with the current sensor being sequentially connected, PLC moulds in the anti-electric shock apparatus
Block and drive circuit board, the zero sequence current mutual inductor electrically connect with the current sensor；Also include electrical apparatus release, the dropout
Device one end electrically connects with the drive circuit board, and the other end is connected with the main shaft；
During normal work, the moving contact contacts with the static contact；When getting an electric shock, the current value of the zero sequence current mutual inductor
Become to be not zero, now, the current sensor senses current value, passes the information on to the PLC module, the PLC moulds
Block sends to the drive circuit board and instructed, and promotes the drive circuit board to excite the electrical apparatus release, and the electrical apparatus release drives institute
State main shaft rotation so that moving contact and the static contact separation, realize open circuit.
Further, the main shaft is arranged on the base by rotating sheet, the electrical apparatus release by draw bar with
The rotating sheet of the main shaft is connected；The electrical apparatus release hits the draw bar, rotating sheet upset is driven, so as to drive the master
Axis of rotation.
Further, the electrical apparatus release is Pyromagnetic release.
Further, the material of the moving contact is copper, and surface is coated with silver-nickel.
Further, the moving contact is 4 each, is evenly distributed on the main shaft.
Further, the susceptor surface, which is provided with, prevents falling panel.
Further, the anti-material for falling panel falls material, and outer surface covering waterproof material for insulation is anti-.
Beneficial effects of the present invention are：
Primary cut-out provided in an embodiment of the present invention, during normal work, moving contact contacts with static contact；When getting an electric shock, zero sequence
The current value of current transformer becomes to be not zero, and now, current sensor senses current value, passes the information on to PLC module,
PLC module is sent to drive circuit board and instructed, and promotes drive circuit board to excite electrical apparatus release, and electrical apparatus release driving main shaft is rotated, made
Moving contact and static contact separation are obtained, realizes open circuit.
In summary, primary cut-out provided in an embodiment of the present invention, by zero sequence current mutual inductor, current value is converted
PLC module is transferred to for data signal, by the processing and control of PLC module, carries out protection against electric shock and anticreep cutout.With compared with
High sensitivity and protection against electric shock performance, the potential safety hazard in operating process is effectively eliminated, improve the security of user, it is practical
Property is higher.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the structural representation of primary cut-out provided in an embodiment of the present invention;
Fig. 2 is the structural representation of anti-electric shock apparatus in Fig. 1.
The corresponding relation of reference and component names is in above-mentioned figure：
1 base；2 main shafts；3 static contacts；4 moving contacts；5 zero sequence current mutual inductors；6 anti-electric shock apparatus；61 current sensors；62
PLC module；63 drive circuit boards；7 electrical apparatus releases；8 rotating sheets；9 draw bars；10 prevent falling panel.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It refer to Fig. 1 and Fig. 2, primary cut-out provided in an embodiment of the present invention, including base 1 and main shaft 2, main shaft
2 it is be hinged be arranged in base 1, multiple static contacts 3 are provided with base 1, multiple moving contacts 4, moving contact are provided with main shaft 2
4 are rotatablely connected with static contact 3；Also include the zero sequence current mutual inductor 5 and anti-electric shock apparatus 6 being arranged in base 1, protection against electric shock dress
Put and the current sensor 61 being sequentially connected, PLC module 62 and drive circuit board 63 are provided with 6, zero sequence current mutual inductor 5 and electricity
Flow sensor 61 electrically connects；Also include electrical apparatus release 7, the one end of electrical apparatus release 7 electrically connects with drive circuit board 63, the other end and main shaft
2 are connected.
During normal work, moving contact 4 contacts with static contact 3；When getting an electric shock, the current value of zero sequence current mutual inductor 5 becomes
It is not zero, now, current sensor 61 senses current value, passes the information on to PLC module 62, PLC module 62 is to driving electricity
Road plate 63 sends instruction, promotes drive circuit board 63 to excite electrical apparatus release 7, and electrical apparatus release 7 drives main shaft 2 to rotate so that moving contact 4
Separated with static contact 3, realize open circuit.
In summary, primary cut-out provided in an embodiment of the present invention, by zero sequence current mutual inductor 5, current value is turned
Turn to data signal and be transferred to PLC module 62, by the processing and control of PLC module 62, carry out protection against electric shock and anticreep cutout.
With higher sensitivity and protection against electric shock performance, the potential safety hazard in operating process is effectively eliminated, improves the safety of user
Property, practicality is higher.
In a kind of specific embodiment of the present invention, main shaft 2 is arranged on base 1 by rotating sheet 8, and electrical apparatus release 7 passes through
Draw bar 9 is connected with the rotating sheet 8 of main shaft 2；Electrical apparatus release 7 hits draw bar 9, drives rotating sheet 8 to overturn, so as to drive main turn
Axle 2 rotates.
Specifically, electrical apparatus release 7 is Pyromagnetic release.Electrical apparatus release 7 is internally provided with pyromagnetic coil, pyromagnetic coil be copper cash around
Group, and surface covering insulating material.
In the present invention, the material of moving contact 4 does not limit to, and in an embodiment of the present invention, the material of moving contact 4 is
Copper, and surface is coated with silver-nickel, can effectively prevent high-temperature oxydation, and prevent from wearing the damage brought for a long time.
In an embodiment of the present invention, as shown in figure 1, moving contact 4 is 4, it is evenly distributed on main shaft 2.In reality
In the application of border, the quantity of moving contact 4 is not also limited to.
In order to further optimize above-mentioned technique effect, in a kind of preferred embodiment of the present invention, the surface of base 1 is provided with anti-fall
Panel 10, protection is played a part of to the electrical equipment of inside, once primary cut-out drops, prevent that falling panel plays damping, buffering
Effect, avoid inside electrical equipment or connection circuit be given a shock and occur short circuit or failure.
Further, the above-mentioned anti-material for falling panel 10 falls material, and outer surface covering waterproof material for insulation is anti-.Can be with
It is effective to avoid the hidden danger into water electric leakage, and the anti-use for falling the material of panel 10 falls material for insulation is anti-, can effectively prolong
The service life of long breaker.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification, these improvement can also be carried out to the present invention
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (7)
1. a kind of primary cut-out, it is characterised in that including base (1) and main shaft (2), the main shaft (2) is be hinged to be set
In the base (1), multiple static contacts (3) are provided with the base (1), are provided with the main shaft (2) multiple dynamic
Contact (4), the moving contact (4) are rotatablely connected with the static contact (3)；
Also include the zero sequence current mutual inductor (5) and anti-electric shock apparatus (6) being arranged in the base (1), the protection against electric shock dress
Put and the current sensor (61) being sequentially connected, PLC module are provided with (6)（62）And drive circuit board（63）, the zero sequence electricity
Current transformer (5) electrically connects with the current sensor (61)；
Also include electrical apparatus release（7）, the electrical apparatus release（7）One end and the drive circuit board（63）Electrical connection, the other end with it is described
Main shaft (2) is connected；
During normal work, the moving contact (4) contacts with the static contact (3)；When getting an electric shock, the zero sequence current mutual inductor
(5) current value becomes to be not zero, and now, the current sensor (61) senses current value, passes the information on to the PLC
Module（62）, the PLC module（62）To the drive circuit board（63）Instruction is sent, promotes the drive circuit board（63）Swash
Send out electrical apparatus release described（7）, the electrical apparatus release（7）The main shaft (2) is driven to rotate so that the moving contact (4) and static contact
(3) separate, realize open circuit.
2. primary cut-out according to claim 1, it is characterised in that the main shaft (2) is set by rotating sheet (8)
On the base (1), the electrical apparatus release（7）Pass through draw bar（9）It is connected with the rotating sheet (8) of the main shaft (2)；It is described
Electrical apparatus release（7）Hit the draw bar（9）, drive the rotating sheet (8) to overturn, so as to drive the main shaft (2) to rotate.
3. primary cut-out according to claim 2, it is characterised in that the electrical apparatus release（7）For Pyromagnetic release.
4. primary cut-out according to claim 1, it is characterised in that the material of the moving contact (4) is copper, and surface
It is coated with silver-nickel.
5. primary cut-out according to claim 4, it is characterised in that the moving contact (4) is 4, is evenly distributed on
On the main shaft (2).
6. primary cut-out according to claim 1, it is characterised in that base (1) surface, which is provided with, prevents falling panel
(10)。
7. primary cut-out according to claim 6, it is characterised in that the anti-material for falling panel (10) is anti-for insulation
Fall material, and outer surface covering waterproof material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692700.5A CN107393782A (en) | 2017-08-14 | 2017-08-14 | Primary cut-out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692700.5A CN107393782A (en) | 2017-08-14 | 2017-08-14 | Primary cut-out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107393782A true CN107393782A (en) | 2017-11-24 |
Family
ID=60355750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710692700.5A Pending CN107393782A (en) | 2017-08-14 | 2017-08-14 | Primary cut-out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107393782A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335254Y (en) * | 1997-12-11 | 1999-08-25 | 吴赛乐 | Electric leakage circuit breaker |
| CN2629206Y (en) * | 2003-04-16 | 2004-07-28 | 黄浙勇 | Intelligent plastic shell leakage circuit breaker |
| JP2004349063A (en) * | 2003-05-21 | 2004-12-09 | Fuji Electric Fa Components & Systems Co Ltd | Earth leakage circuit breaker |
| CN201616407U (en) * | 2009-12-30 | 2010-10-27 | 佛山市佳华电器科技发展有限公司 | Electronic leakage switch with incoming and outgoing lines capable of being connected reversely |
| CN201725755U (en) * | 2010-05-13 | 2011-01-26 | 上海电器股份有限公司人民电器厂 | Molded case circuit breaker with residual current protection |
-
2017
- 2017-08-14 CN CN201710692700.5A patent/CN107393782A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2335254Y (en) * | 1997-12-11 | 1999-08-25 | 吴赛乐 | Electric leakage circuit breaker |
| CN2629206Y (en) * | 2003-04-16 | 2004-07-28 | 黄浙勇 | Intelligent plastic shell leakage circuit breaker |
| JP2004349063A (en) * | 2003-05-21 | 2004-12-09 | Fuji Electric Fa Components & Systems Co Ltd | Earth leakage circuit breaker |
| CN201616407U (en) * | 2009-12-30 | 2010-10-27 | 佛山市佳华电器科技发展有限公司 | Electronic leakage switch with incoming and outgoing lines capable of being connected reversely |
| CN201725755U (en) * | 2010-05-13 | 2011-01-26 | 上海电器股份有限公司人民电器厂 | Molded case circuit breaker with residual current protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW202137662A (en) | Apparatus for prevention of electric leakage in event of flooding for fire prevention and safety and method for protection against electric leakage and electric shock using same | |
| CN107332148A (en) | A kind of humidity automatic detection and regulation box-type substation | |
| US20200233040A1 (en) | Method and System for Fault Verification of Electronic Device | |
| CN107393782A (en) | Primary cut-out | |
| CN101949997B (en) | Electromagnetic wire online withstand voltage detection device for dry-type air-core reactor | |
| CN207233603U (en) | Breaker safe, which is beaten, jumps device | |
| CN208061982U (en) | A kind of electrothermal relay with creepage protection function | |
| CN105034813B (en) | Train power supply control device | |
| CN107807302A (en) | A kind of transformer core fault handling method | |
| CN207183176U (en) | A kind of breaker with transformer disconnection defencive function | |
| CN205959820U (en) | Device is prevented miscarrying by relay protection clamp plate | |
| CN206834741U (en) | A kind of microcomputer arc extinguishing harmonic elimination and overvoltage protection | |
| CN206977335U (en) | Soft starter device is controlled with capacity staggered form | |
| CN205405126U (en) | Intelligence switch structure | |
| CN206412758U (en) | Arc-control device and electric power system | |
| CN101499355B (en) | Magnet protection system for power fail of electromagnet | |
| CN105024345B (en) | One kind construction temporary electricity control device | |
| CN206349316U (en) | A kind of controller for being easy to maintenance to change | |
| CN208538782U (en) | Plug-in miniature circuit breaker | |
| CN206806258U (en) | A kind of cut-off switch of high reliability | |
| CN107797501A (en) | Latent condensation data analysis device for outdoor equipment of power system | |
| CN108075689A (en) | The noise measuring braking system and its application method of a kind of direct current generator | |
| CN107650491A (en) | A kind of full-automatic double-face screen printer | |
| CN206224491U (en) | A kind of network security controller of computer | |
| CN107871989A (en) | A kind of smart home anti-electric shock socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
|
| RJ01 | Rejection of invention patent application after publication |