CN206116305U - Small -sized DC circuit breaker - Google Patents
Small -sized DC circuit breaker Download PDFInfo
- Publication number
- CN206116305U CN206116305U CN201620662908.3U CN201620662908U CN206116305U CN 206116305 U CN206116305 U CN 206116305U CN 201620662908 U CN201620662908 U CN 201620662908U CN 206116305 U CN206116305 U CN 206116305U
- Authority
- CN
- China
- Prior art keywords
- sized
- small
- circuit breaker
- contact
- controller
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model provides a small -sized DC circuit breaker, including shell, handle, operating device, thermal overload release unit, magnetism release unit, moving contact, static contact, explosion chamber, controller, loop current detecting element, leakage current detecting element and breaker state monitor cell, wherein: loop current detecting element realizes this small -sized DC circuit breaker's main loop current's detection, it realizes the detection of this small -sized DC circuit breaker's major loop leakage current to leak the current detection unit, breaker state monitor cell detects this small -sized DC circuit breaker's malfunction alerting state and combined floodgate or separating brake state, outside monitoring system is given with the message routing of relevant this small -sized DC circuit breaker's loop current, return circuit leakage current, malfunction alerting state, combined floodgate or separating brake state to the controller. This small -sized DC circuit breaker can realize the circuit breaker basic function and to its self loop current and leakage current, combined floodgate or separating brake state, and the monitoring of malfunction alerting state.
Description
Technical field
The utility model is related to circuit field, relates more specifically to a kind of small-sized DC circuit breaker.
Background technology
In DC power system, small-sized DC circuit breaker application is very universal.Generally, small-sized DC circuit breaker, direct current
Creepage mutual inductor, current sensor, line fault alarm unit, breaker closing/gate-dividing state monitoring unit is relatively independent, this
It is embodied on direct current cabinet panel and " accounts for area ", is embodied in direct-current cabinet body and " takes up space ".
Existing line fault alarm unit and/or breaker closing/gate-dividing state monitoring unit must be assembled in small-sized
The side of dc circuit breaker uses, and the width of integral product can affect the compactedness of direct current cabinet cabinet body structure, cause direct-current cabinet
The volume increase of body.
Typically for small-sized DC circuit breaker, with external DC leakage transformer loop leakage current measurement function is realized；With
Assembled accessory unit realizes breaker closing/gate-dividing state monitoring function；Realize that loop current is measured with external current sensor
Function；And need to be connected to realize the transmission of related data with monitoring system by external circuit, installation requirement is high, and not side
Just.
A kind of combined breaker is proposed in the U of patent document CN 203942170, wherein ZCT is placed on
The combined circuit breaker internal.Although the combined breaker solves the problems, such as that ZCT takes up room, can not
Enough solve the placement space of current sensor and breaker closing/gate-dividing state monitoring unit, it is still necessary in the combined open circuit
One annex of outside assembly of device can increase realizing loop current measurement and breaker open operation/"on" position monitoring function
The overall volume of big product.Further, since the combined breaker does not have communication function, so the relevant combination can not be realized
The communication of the data of loop leakage current, loop current, the breaker open operation/"on" position of type breaker etc. is uploaded, if wanting to obtain
These data remain a need for being realized by way of increasing external circuit and being connected with monitoring system.It can be seen that, the combined breaker does not have
There are the fully effective volume for solving the problems, such as product and information data communication.
Propose a kind of intelligent micro-circuit breaker in the Y of patent document CN 201044352, be provided with main circuit board,
Load current transformer, zero sequence current mutual inductor, instantaneous shunted exciter tripping breaker, lightning-protection module, voltage transformer, indicating fault
And button control circuit board and signal communication port, the diversity of function is realized, but its thickness is 4 miniature circuit breakers
Thickness sum, volume is larger, it is still desirable to take larger power distribution cabinet inner space.
Utility model content
The utility model provides a kind of novel small-sized DC circuit breaker.
According to the small-sized DC circuit breaker of the utility model embodiment, including shell, handle, operating mechanism, thermal trip
Unit, magnetic release unit, moving contact, static contact, arc-chutes, controller, loop current detector unit, leakage current test list
Unit and State-Inspect of High-Voltage Circuit unit, wherein：
Shell includes pedestal, middle seat and lid, and middle seat is located in the middle of base and cover, and pedestal, middle seat and lid three spell
Three cavitys are formed after dress, handle, operating mechanism, thermal trip unit, magnetic release unit, moving contact, static contact and is gone out
Arc chamber is located in the first and second cavitys in above three cavity, the inspection of controller, loop current detector unit and leakage current
Survey in the 3rd cavity that unit is located in above three cavity；
A wire in the major loop of small-sized DC circuit breaker is through the current sensor in loop current detector unit
The hole heart, the secondary circuit induced signal of current sensor is connected with controller, so as to realize the detection of main circuit current；
Two wires in the major loop of small-sized DC circuit breaker are also cross the zero-sequence mutual inductance in leakage current test unit
The hole heart of device, the secondary circuit induced signal of ZCT is connected with controller, so as to realize the detection of major loop leakage current；
State-Inspect of High-Voltage Circuit unit includes fault alarm contact and auxiliary contact, fault alarm contact and auxiliary contact position
Link together in the first or second cavity and with moving contact, when break down in small-sized DC circuit breaker electric current when, failure
There is position and change so as to produce first position signal in Alarm contactor, controller senses first position in the presence of moving contact
Signal, so that it is determined that the fault-alarming state of small-sized DC circuit breaker, when small-sized DC circuit breaker combined floodgate or separating brake, auxiliary is touched
Head moves generation second or three position singal together with moving contact, and controller senses second or three position singal, so as to
Determine the combined floodgate or gate-dividing state of small-sized DC circuit breaker；
Controller by about the loop current of small-sized DC circuit breaker, loop leakage current, fault-alarming state, combined floodgate or point
The information of lock state is sent to the monitoring system of outside.
In the small-sized DC circuit breaker according to the utility model embodiment, ZCT and current sensor are along shell
Length direction before and after be sequentially placed.
In the small-sized DC circuit breaker according to the utility model embodiment, fault alarm contact is with moving contact rotationally
It is installed together.
In the small-sized DC circuit breaker according to the utility model embodiment, auxiliary contact is fixedly mounted in moving contact
Together.
In the small-sized DC circuit breaker according to the utility model embodiment, controller includes that first sensor and second is passed
The place-centric of sensor, first sensor and second sensor is located on the same straight line of vertical direction, and in level side
To respectively just to fault alarm contact and auxiliary contact.
In the small-sized DC circuit breaker according to the utility model embodiment, middle seat middle setting has open-work.
According to the small-sized DC circuit breaker of the utility model embodiment, also include：Powered indicating member is loaded, the load-strap
Electric indicating member generates load-strap electricity indication signal by electrically connecting with moving contact.
In the small-sized DC circuit breaker according to the utility model embodiment, loading powered indicating member includes：Indicator lamp；
And the power taking shell fragment electrically connected with indicator lamp, the power taking shell fragment electrically connects via spring with moving contact.
According to the small-sized DC circuit breaker of the utility model embodiment, the basic function of breaker not only can be realized, and
And loop current for breaker, loop leakage current can be realized, close a floodgate or gate-dividing state and fault-alarming state prison
Survey.
Description of the drawings
By reading the detailed description made to non-limiting example referring to the drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon, wherein, same or analogous reference represents same or analogous feature.
Fig. 1 is the front view of the small-sized DC circuit breaker according to the utility model embodiment；
Fig. 2A -2B are the sectional views of the small-sized DC circuit breaker according to the utility model embodiment；
Fig. 3 is fault alarm contact and auxiliary contact in the small-sized DC circuit breaker shown in Fig. 1 and Fig. 2A -2B
The schematic diagram of installation site example；
Fig. 4 is the exemplary construction schematic diagram of the controller 6 shown in Fig. 1；
Fig. 5 is the exemplary construction schematic diagram of the pedestal 181 shown in Fig. 2 B；
Fig. 6 is the exemplary construction schematic diagram of the middle seat 182 shown in Fig. 2 B；
Fig. 7 is the schematic diagram that the powered indicating member 1 of load shown in Fig. 1 is used cooperatively with housing 18.
Specific embodiment
The feature and exemplary embodiment of various aspects of the present utility model is described more fully below.Retouch in detail in following
In stating, it is proposed that many details, to provide to comprehensive understanding of the present utility model.But, for people in the art
It will be apparent that the utility model can be implemented in the case of some details in not needing these details for member.
The description of embodiment is used for the purpose of below providing by illustrating example of the present utility model to of the present utility model more preferable
Understanding.The utility model is never limited to any concrete configuration set forth below and algorithm, but new without departing from this practicality
Any modification, replacement and the improvement of element, part and algorithm are covered on the premise of the spirit of type.In accompanying drawing and explained below
In, known structure and technology are not shown, to avoid that unnecessary obscuring is caused to the utility model.
The utility model proposes a kind of novel small-sized DC circuit breaker, it not only can realize the basic training of breaker
Can, and loop current for breaker, loop leakage current, fault-alarming state, combined floodgate or gate-dividing state can be realized
Monitoring function.By disposably install the small-sized DC circuit breaker i.e. be capable of achieving several functions, therefore can with save space and into
This.Below in conjunction with the accompanying drawings, the small-sized DC circuit breaker according to the utility model embodiment is described in detail.
Fig. 1 is the front view of the small-sized DC circuit breaker according to the utility model embodiment.As shown in figure 1, according to this reality
Include the dynamic electrical apparatus release 2, driving lever of the powered indicating member 1 of load, handle 22, wink with the small-sized DC circuit breaker 100 of new embodiment
3rd, arc-chutes 4, release lever 5, controller 6, ZCT 7, current sensor 8, the (not shown in figure 1) of fault alarm contact 9,
Operating mechanism 10, the (not shown in figure 1) of auxiliary contact 11, moving contact 12, bimetal leaf 17, shell 18, arc striking piece 20, Yi Jijing
Contact 21.Wherein：Release lever 5 and bimetal leaf 17 are the parts of thermal trip unit；Wink moves electrical apparatus release 2, the and of driving lever 3
Release lever 5 is the part of magnetic release unit；Current sensor 8 is the part of loop current detector unit, with control
Device processed 6 is associated；ZCT 7 is the part of leakage current test unit, is associated with controller 6；The He of fault alarm contact 9
Auxiliary contact 11 is the part of circuit-breaker status detector unit, is associated with controller 6.
As shown in figure 1, operating mechanism 10 is associated with moving contact 12, dynamic touching can be realized by rotation of the handle 22 around the center of circle
12 disconnections and closure with static contact 21；When moving contact 12 and static contact 21 are closed, (that is, small-sized DC circuit breaker 100 is closed
During lock), the major loop of small-sized DC circuit breaker 100 is powered；When moving contact 12 and static contact 21 disconnect, (that is, small-sized DC breaks
During 100 separating brake of device of road), the major loop power-off of small-sized DC circuit breaker 100.
As shown in figure 1, moving contact 12 and static contact 21 are associated with arc-chutes 4 and arc striking piece 20；When moving contact 12 and stationary contact
21 when disconnecting, and electric arc can be produced between moving contact 12 and static contact 21；Electric arc can enter arc-chutes 4 along arc striking piece 20, go out
Arc chamber 4 can quickly extinguish electric arc.
As shown in figure 1, when occurring less overload current in circuit, the bimetal leaf 17 in thermal trip unit is curved
Song, drives release lever 5, moving contact 12 is disconnected with static contact 21；When occurring larger overload current in circuit, magnetic release
Wink dynamic electrical apparatus release 2 in unit promotes driving lever 3, and driving lever 3 drives release lever 5, triggers operating mechanism 10, and then makes moving contact 12
Disconnect with static contact 21.
Fig. 2A -2B are the sectional views of the small-sized DC circuit breaker according to the utility model embodiment.As seen in figs. 2a-2b,
Housing 18 includes pedestal 181, middle seat 182 and lid 183, is mainly used to carry and protects above-mentioned all units (that is, above-mentioned all
Unit is respectively positioned on inside housing 18)；Middle seat 182 is arranged in the middle of pedestal 181 and lid 183, after their three's assembly in housing
Portion forms three cavitys.
With reference to Fig. 1 and Fig. 2A -2B can be seen that handle 22, operating mechanism 2, moving contact 12, static contact 21, arc-chutes 4,
Thermal trip unit and magnetic release cell distribution form small-sized DC and break in the first cavity 202 and the second cavity 204
Two major loops of road device 100, i.e. the first power circuit and the second power circuit；Controller 6, loop current detector unit, with
And leakage current test unit is arranged in the 3rd cavity 206.
In the small-sized DC circuit breaker shown in Fig. 1 and Fig. 2A -2B, in the first power circuit and the second power circuit
Root wire passes through the hole heart of the current sensor in loop current detector unit, the secondary circuit induced signal of current sensor
It is connected with controller, so as to realize the detection of main circuit current；Two wires in first power circuit and the second power circuit
Also cross the hole heart of the ZCT in leakage current test unit, the secondary circuit induced signal of ZCT and control
Device is connected, so as to realize the detection of major loop leakage current.
In the small-sized DC circuit breaker shown in Fig. 1 and Fig. 2A -2B, fault alarm contact and auxiliary contact are located at the first chamber
Link together in the cavity 204 of body 202 or second and with moving contact；When break down in small-sized DC circuit breaker electric current when, therefore
There is position and change so as to produce first position signal in barrier Alarm contactor, controller senses first in the presence of moving contact
Confidence number, so that it is determined that the fault-alarming state of small-sized DC circuit breaker；When small-sized DC circuit breaker combined floodgate or separating brake, auxiliary
Contact moves generation second or three position singal together with moving contact, and controller senses second or three position singal, from
And determine the combined floodgate or gate-dividing state of small-sized DC circuit breaker.
In the small-sized DC circuit breaker shown in Fig. 1 and Fig. 2A -2B, controller is by relevant small-sized DC circuit breaker 100
The information of loop current, loop leakage current, fault-alarming state, combined floodgate or gate-dividing state is sent to the monitoring system of outside.
Fig. 3 is the peace of the fault alarm contact in the small-sized DC circuit breaker shown in Fig. 1 and Fig. 2A -2B and auxiliary contact
The schematic diagram of holding position example.Fig. 4 is the exemplary construction schematic diagram of the controller 6 shown in Fig. 1.Fig. 5 is shown in Fig. 2 B
The exemplary construction schematic diagram of pedestal 181.
As shown in Fig. 1 and Fig. 3-5, the fault alarm contact 9 and auxiliary contact 11 in circuit-breaker status detector unit is equal
Associate with controller 6, fault alarm contact 9 and auxiliary contact 11 are arranged on moving contact 12, and the He of fault alarm contact 9
Magnet is equipped with auxiliary contact 11.
As shown in Fig. 1 and Fig. 3-5, controller 6 is fixed in the draw-in groove 1811 of pedestal 181；It is provided with controller 6
Sensor 61 and sensor 62；The place-centric of sensor 61 and sensor 62 is located on the same straight line of vertical direction, is passed
Sensor 61 and sensor 62 are distinguished just to fault alarm contact 9 and auxiliary contact 11 in the horizontal direction；Fault alarm contact 9 can be with
Relatively rotate with moving contact 12；When break down in circuit electric current when, moving contact 12 can be de- in magnetic release unit or heat
Button device unit in the presence of trigger action, now fault alarm contact 9 can lock 10 and moving contact 12 collective effect under with
Moving contact 12 rotates (that is, the position of fault alarm contact 9 changes), sensor 61 to fault alarm contact 9 now
The first position signal of generation is acquired and is transferred to controller 6, so as to realize for the failure of small-sized DC circuit breaker 100
The detection of trip status；Auxiliary contact 11 is fixed on moving contact 12, will not be rotated with moving contact 12；When moving contact 12
When closing or disconnect with static contact 21, moving contact 12 drives auxiliary contact 11 to move together, makes the relative sensors of auxiliary contact 11
62 position changes, and auxiliary contact 11 produces different signal (that is, second confidences to sensor 62 in different positions
Number or three position singal), sensor 62 is acquired after judgement and is transferred to controller 6, so as to realize for small-sized DC is disconnected
The combined floodgate of road device 100 or the detection of gate-dividing state.
As shown in Fig. 1 and Fig. 3-5, current sensor 8, ZCT 7 are associated with controller 6；Current sensor 8
Inside small-sized DC circuit breaker 100, in being fixed on the draw-in groove 1813 of pedestal 181；The major loop of small-sized DC circuit breaker 100
In a wire pass through so that current sensor 8 can be with the loop current of real-time detection breaker.Zero-sequence mutual inductance
Device 7 is located inside small-sized DC circuit breaker 100, in being fixed on the draw-in groove 1812 of pedestal 181, the master of small-sized DC circuit breaker 100
All wires in loop pass through wherein, so that ZCT 7 can returning with real-time detection small-sized DC circuit breaker 100
Road leakage current.Loop current signals are transferred to controller 6 by current sensor 8, and ZCT 7 passes loop leakage current signal
It is defeated by controller 6.
As shown in Fig. 1 and Fig. 3-5, controller 6 receives the first position signal of the transmission of sensor 61, sensor 62 and passes
Defeated second or three position singal, the loop leakage current signal of the transmission of ZCT 7 and the transmission of current sensor 8
Loop current signals, by the signal for receiving process, and the monitoring system transmission by communication interface 65 outwardly are analyzed；
Charactron 66, LED light 63, button 64 etc. can be also set on controller 6；Charactron 66 and LED light 63 can divide
Not or the above-mentioned state for illustrating small-sized DC circuit breaker 100 is not combined；User can be by button 64 to small-sized DC circuit breaker
100 are arranged manually；Communication interface 65 links together with controller 6, is co-located inside small-sized DC circuit breaker 100,
Monitoring system can be upload the data to by outer connecting line.
Fig. 6 is the exemplary construction schematic diagram of the middle seat 182 shown in Fig. 2 B.As shown in fig. 6, the first half of middle seat 182 tool
There is the structure similar with pedestal 181 and lid 183, with the function of the two, latter half is open-work 602.With pedestal 181 and
After the assembly of lid 183, the first half of three is later half due to segmentation first cavity 202 of formation and the second cavity 204 of middle seat 182
Part defines the 3rd cavity 206.
Fig. 7 is the schematic diagram that the powered indicating member 1 of load shown in Fig. 1 is used cooperatively with housing 18.Such as Fig. 1 and Fig. 7
Shown, it is separate modular to load powered indicating member, is provided with snap fit 26, power taking shell fragment 24 and screw hole 27, small-sized
After the housing assembly of dc circuit breaker 100, snap fit groove 26 ', power taking square hole 24 ' and screw hole 27 ' can be formed, be loaded powered
Snap fit groove 26 ' of the indicating member 1 on snap fit 26 with housing is installed together after coordinating.In order to reinforce bonding strength, can be with
Again with a screw by the screw on the housing for loading the screw hole on powered indicating member 1 and small-sized DC circuit breaker 100
Hole 27 ', will load powered indicating member 1 and is fixed on housing.The power taking shell fragment 24 of powered indicating member 1 is loaded by housing
The reliable contacts of main extension spring 25 power taking on moving contact 12 after power taking square hole 27 ', with enclosure interior.When load end is powered in loop
When load powered indicating member 1 can it is bright, otherwise load powered indicating member 1 and extinguish, so as to realize loading the function of powered instruction.
The basic function of breaker not only can be realized according to the small-sized DC circuit breaker of the utility model embodiment, and
Following functions can be realized：The overload protection of breaker, short-circuit protection, the loop current, loop leakage current, event for breaker
The monitoring function of barrier trip status, combined floodgate or gate-dividing state, loads powered indicated work energy, and communication function.By disposable
The small-sized DC circuit breaker is installed and is capable of achieving several functions, therefore can be with save space and cost.
The utility model can be realized in other specific forms, without deviating from its spirit and essential characteristics.Current reality
Apply example and be all counted as being exemplary rather than in all respects determinate, scope of the present utility model is by claims
Non- foregoing description definition, also, the whole changes fallen in the range of the implication and equivalent of claim are so as to all be included
Among scope of the present utility model.
Claims (9)
1. a kind of small-sized DC circuit breaker, it is characterised in that include：Shell, handle, operating mechanism, thermal trip unit, magnetic take off
Button device unit, moving contact, static contact, arc-chutes, controller, loop current detector unit, leakage current test unit, wherein
The shell includes pedestal, middle seat and lid, and the middle seat is located in the middle of the pedestal and the lid, the pedestal, institute
State and form three cavitys, the handle, the operating mechanism, the thermal trip list after seat and the lid three assembly
First, described magnetic release unit, the moving contact, the static contact and the arc-chutes are located in three cavitys
In first and second cavitys, the controller, the loop current detector unit and the leakage current test unit are located at institute
State in the 3rd cavity in three cavitys；
A wire in the major loop of the small-sized DC circuit breaker is passed through the electric current in the loop current detector unit
The hole heart of sensor, the secondary circuit induced signal of the current sensor is connected with the controller, so as to realize major loop electricity
The detection of stream；
Two wires in the major loop of the small-sized DC circuit breaker are also cross the zero sequence in the leakage current test unit
The hole heart of transformer, the secondary circuit induced signal of the ZCT is connected with the controller, so as to realize major loop
The detection of leakage current；
The controller will be sent to outside about the information of the loop current of the small-sized DC circuit breaker, loop leakage current
Monitoring system.
2. small-sized DC circuit breaker as claimed in claim 1, it is characterised in that the ZCT and the current sense
Device is sequentially placed before and after the length direction of the shell.
3. small-sized DC circuit breaker as claimed in claim 1, it is characterised in that also include：
State-Inspect of High-Voltage Circuit unit, including fault alarm contact and auxiliary contact, the fault alarm contact and the auxiliary
Contact is located in the described first or second cavity and links together with the moving contact, wherein
When break down in the small-sized DC circuit breaker electric current when, the fault alarm contact is in the presence of the moving contact
Generation position changes so as to produce first position signal, and the controller senses the first position signal, so that it is determined that institute
The fault-alarming state of small-sized DC circuit breaker is stated,
When the small-sized DC circuit breaker closes a floodgate or during separating brake, the auxiliary contact moves generation the together with the moving contact
Two or three position singal, the controller senses described second or three position singal, so that it is determined that the small-sized DC
The combined floodgate or gate-dividing state of breaker,
The controller by about the "on" position of the small-sized DC circuit breaker, gate-dividing state, fault-alarming state information
It is sent to the monitoring system of outside.
4. small-sized DC circuit breaker as claimed in claim 3, it is characterised in that the fault alarm contact and the moving contact
It is installed in rotation on together.
5. small-sized DC circuit breaker as claimed in claim 3, it is characterised in that the auxiliary contact is fixed with the moving contact
Be installed together.
6. small-sized DC circuit breaker as claimed in claim 3, it is characterised in that the controller includes first sensor and the
The place-centric of two sensors, the first sensor and the second sensor is located on the same straight line of vertical direction,
And distinguish just to the fault alarm contact and the auxiliary contact in the horizontal direction.
7. small-sized DC circuit breaker as claimed in claim 1, it is characterised in that the middle seat middle setting has open-work.
8. small-sized DC circuit breaker as claimed in claim 1, also includes：
Powered indicating member is loaded, the powered indicating member of the load generates load-strap electricity by electrically connecting with the moving contact and refers to
Show signal.
9. small-sized DC circuit breaker as claimed in claim 8, wherein, the powered indicating member of the load includes：
Indicator lamp；With
The power taking shell fragment electrically connected with the indicator lamp, the power taking shell fragment is electrically connected via spring with the moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620662908.3U CN206116305U (en) | 2016-06-28 | 2016-06-28 | Small -sized DC circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620662908.3U CN206116305U (en) | 2016-06-28 | 2016-06-28 | Small -sized DC circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116305U true CN206116305U (en) | 2017-04-19 |
Family
ID=58510723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620662908.3U Withdrawn - After Issue CN206116305U (en) | 2016-06-28 | 2016-06-28 | Small -sized DC circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931924A (en) * | 2016-06-28 | 2016-09-07 | 北京人民电器厂有限公司 | Small-size direct current breaker |
| CN109755078A (en) * | 2017-11-07 | 2019-05-14 | 施耐德电气工业公司 | Low-voltage distribution equipment and the method threaded off for controlling low-voltage distribution equipment |
-
2016
- 2016-06-28 CN CN201620662908.3U patent/CN206116305U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931924A (en) * | 2016-06-28 | 2016-09-07 | 北京人民电器厂有限公司 | Small-size direct current breaker |
| CN105931924B (en) * | 2016-06-28 | 2018-01-26 | 北京人民电器厂有限公司 | Small-sized DC circuit breaker |
| CN109755078A (en) * | 2017-11-07 | 2019-05-14 | 施耐德电气工业公司 | Low-voltage distribution equipment and the method threaded off for controlling low-voltage distribution equipment |
| CN109755078B (en) * | 2017-11-07 | 2020-05-29 | 施耐德电气工业公司 | Low-voltage power distribution device and method for controlling tripping of low-voltage power distribution device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201112994Y (en) | Electric leakage protecting socket | |
| CN105931924B (en) | Small-sized DC circuit breaker | |
| CN107910232B (en) | A kind of Intelligent leakage protection switch | |
| CN105676048B (en) | A kind of switch cabinet of converting station switch secondary circuit detection device | |
| CN206116305U (en) | Small -sized DC circuit breaker | |
| CN101162814B (en) | Creepage protecting socket | |
| CN108061838A (en) | A kind of leakage tests method for ensureing user's normal electricity consumption | |
| CN108011348A (en) | Low-voltage intelligent distribution Control protection system and its control guard method | |
| CN209419194U (en) | A kind of relay | |
| CN202259066U (en) | Multipolar/monopolar low-voltage intelligent circuit breaker | |
| CN207557400U (en) | A kind of low voltage failure circuit investigates instrument | |
| CN202276192U (en) | Switch cabinet temperature monitor and intelligent operation and control device | |
| CN201918322U (en) | Relay | |
| CN211351335U (en) | Control electric cabinet for high-voltage line | |
| CN206602051U (en) | A kind of breaker operator hanging locking device | |
| CN201674143U (en) | Mine general handcart type vacuum power distribution cabinet | |
| CN103545734A (en) | Mining flameproof high-voltage vacuum distribution device | |
| CN1964148A (en) | An intelligent detection and protection circuit for termination of service life of ground fault breaker | |
| CN209133852U (en) | Intelligent high-tension switch cabinet | |
| CN208608157U (en) | A kind of durable line-breaker | |
| CN207651433U (en) | A kind of Intelligent leakage protection switch | |
| CN112164633A (en) | Intelligent Internet of things measurement and control switch | |
| CN207587467U (en) | Dry-type transformer case | |
| CN206322651U (en) | A kind of multi-functional breaker of plastic casing | |
| CN208208676U (en) | It is easily installed type breaker temperature acquisition device mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20180126 |