CN108777244A - Energy storage hydraulic circuit breaker and overcurrent protection equipment - Google Patents
Energy storage hydraulic circuit breaker and overcurrent protection equipment Download PDFInfo
- Publication number
- CN108777244A CN108777244A CN201810950209.2A CN201810950209A CN108777244A CN 108777244 A CN108777244 A CN 108777244A CN 201810950209 A CN201810950209 A CN 201810950209A CN 108777244 A CN108777244 A CN 108777244A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- energy storage
- hydraulic
- rotating member
- component
- 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.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 105
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 230000003068 static effect Effects 0.000 claims description 29
- 230000001050 lubricating effect Effects 0.000 claims description 28
- 239000004020 conductor Substances 0.000 claims description 23
- 230000007306 turnover Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/20—Terminals; Connections
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses an energy storage hydraulic circuit breaker and overcurrent protection equipment, and relates to the technical field of power utilization safety. The energy storage hydraulic circuit breaker comprises a shell, a hydraulic electromagnetic tripping switch, a moving contact, a fixed contact and a tripping mechanism. The rotating piece is connected with the mounting support in a rotating mode through the first elastic piece, the turning plate body is connected with the electromagnet mechanism in a rotating mode through the second elastic piece, the rotating piece is arranged between the electromagnet mechanism and the turning plate body and is abutted to the turning plate body, the position of the turning plate body corresponds to the position of the tripping mechanism, the rotating piece is provided with an opening, and the turning plate body is provided with a clamping hook which is clamped with the opening. Compared with the circuit breaker in the prior art, the energy storage hydraulic circuit breaker provided by the invention adopts the electromagnet mechanism magnetically connected with the rotating piece and the clamping hook clamped with the opening, so that a circuit can be immediately cut off when the current exceeds a preset value, and the circuit breaker has the advantages of high sensitivity, high circuit breaking efficiency, long service life and strong practicability.
Description
Technical field
The present invention relates to safety technique for using electricity fields, are protected in particular to a kind of energy storage hydraulic circuit breaker and overcurrent
Protect equipment.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into high-voltage circuitbreaker by its use scope
With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and 3kV or more is generally known as High-Voltage Electrical Appliances.Breaker can be used to
Electric energy is distributed, asynchronous motor is infrequently started, the implementations such as power circuit and motor are protected, when their generations are serious
Energy automatic shutdown circuit when the failures such as overload or short circuit, function are equivalent to Fuse switch and cross underheat relay etc.
Combination, and parts need not be generally changed after disjunction fault current.
Now, during generation, conveying and the use of electricity, distribution is an extremely important link, and in distribution
In system, breaker becomes an essential safety protection facility.Inventor is the study found that present breaker structure
Complexity, breaking efficiency is low, and sensitivity is low, cannot precisely realize breaking work.
In view of this, designing and manufacturing a kind of sensitive efficient energy storage hydraulic circuit breaker and overcurrent protective device is especially
It is particularly important in breaker production.
Invention content
It is simple in structure the purpose of the present invention is to provide a kind of energy storage hydraulic circuit breaker, it precisely can efficiently cut off electricity
Road, high sensitivity, open circuit is efficient, and service life is long, highly practical.
It is simple in structure another object of the present invention is to provide a kind of overcurrent protective device, it precisely can efficiently cut off
Circuit, high sensitivity, open circuit is efficient, and service life is long, highly practical, cost-effective.
The present invention is realized using technical solution below.
A kind of energy storage hydraulic circuit breaker, including shell, hydraulic electromagnetic trip switch, moving contact, static contact and tripping mechanism,
Hydraulic electromagnetic trip switch, moving contact, static contact and tripping mechanism are mounted in shell, and moving contact is fixed with tripping mechanism to be connected
It connecing, and is abutted with static contact, hydraulic electromagnetic trip switch includes electromagnet mechanism, mounting bracket, armature component and panel turnover component,
Electromagnet mechanism is installed in mounting bracket, and is electrically connected with static contact, and electromagnet mechanism is used for and extraneous power supply or electric appliance
Connection, armature component are installed on one end of mounting bracket, and panel turnover component is installed on the other end of mounting bracket, and armature component includes
First elastic component and rotating member, the first elastic component are sheathed on outside rotating member, and rotating member is turned by the first elastic component and mounting bracket
Dynamic connection, panel turnover component include the second elastic component and flap body, and the second elastic component is sheathed on outside flap body, and flap body is logical
The second elastic component and electromagnet mechanism is crossed to be rotatablely connected, rotating member is set between electromagnet mechanism and flap body, and with turn over
Plate ontology abuts, and the position of flap body is corresponding with the position of tripping mechanism, and rotating member is provided with opening, flap body setting
There are grab, grab to be clamped with opening, electromagnet mechanism is used to generate magnetic-adsorption rotating member when electric current is more than preset value, so that
Grab is detached from opening, so that flap body is rotated to the direction far from electromagnet mechanism, and then tripping mechanism is pushed to turn
It is dynamic so that moving contact is detached with static contact.
Further, energy storage hydraulic circuit breaker further includes the first connecting terminal and the second connecting terminal, the first connecting terminal
The opposite both ends for being installed on shell, the first connecting terminal are electrically connected with electromagnet mechanism with the second connecting terminal, the second terminals
Son is electrically connected with moving contact.
Further, tripping mechanism includes central shaft and revolving part, and revolving part is sheathed on outside central shaft, and with center shaft rotation
Dynamic connection, central shaft are fixedly installed in shell, and revolving part is fixedly connected with moving contact.
Further, energy storage hydraulic circuit breaker further includes combined floodgate spanner, and combined floodgate spanner is installed on shell, and and revolving part
One end far from moving contact connects, and combined floodgate spanner can be rotated relative to shell.
Further, combined floodgate spanner includes wrench body and transmission shaft, and wrench body is rotatablely connected with shell, transmission shaft
One end is hinged with wrench body, and the other end is hinged with revolving part.
Further, rotating member includes the first rotation axis and rotating turret, and the first rotation axis is installed in rotating turret, and with turn
Moving frame combines to form opening, and rotating turret is abutted with flap body, and the first elastic component is sheathed on outside the first rotation axis, the first elastic component
One end abutted with rotating turret, the other end is abutted with mounting bracket.
Further, flap body includes the second rotation axis and rollover stand, and the second rotation axis is installed in rollover stand, is overturn
Frame is abutted with rotating member, and rollover stand is provided with grab, and the second elastic component is sheathed on outside the second rotation axis, one end of the second elastic component
It is abutted with rollover stand, the other end is abutted with electromagnet mechanism.
Further, electromagnet mechanism includes conductor wire snare and hydraulic component, and conductor wire snare is sheathed on hydraulic component
Outside, for being connected to extraneous power supply or electric appliance, hydraulic component is used to generate magnetic force to adsorb rotating member conductive coil set, conductive
Coil set is provided with mounting hole, and mounting hole and the second rotation axis coordinate.
Further, hydraulic component includes hydraulic pressure lubricating cup, iron core, spring and end socket, and conductor wire snare is sheathed on hydraulic oil
Cup is outer, and end socket is fixedly installed in one end of hydraulic pressure lubricating cup, and for hydraulic pressure lubricating cup for containing hydraulic oil, iron core is set to hydraulic pressure lubricating cup
Interior, and connect with end socket by spring, iron core can generate magnetic force when conductor wire snare is powered, and under the magnetic force to
End socket is close, and iron core is used to abut with end socket when electric current is more than preset value, and adsorbs rotating member by end socket.
A kind of overcurrent protective device, including above-mentioned energy storage hydraulic circuit breaker, the energy storage hydraulic circuit breaker include shell, liquid
Piezoelectricity magnetic trip switch, moving contact, static contact and tripping mechanism, hydraulic electromagnetic trip switch, moving contact, static contact and dropout machine
Structure is mounted in shell, and moving contact is fixedly connected with tripping mechanism, and is abutted with static contact, and hydraulic electromagnetic trip switch includes
Electromagnet mechanism, mounting bracket, armature component and panel turnover component, electromagnet mechanism are installed in mounting bracket, and and static contact
Electrical connection, for electromagnet mechanism for being connected to extraneous power supply or electric appliance, armature component is installed on one end of mounting bracket, turnover panel
Component is installed on the other end of mounting bracket, and armature component includes the first elastic component and rotating member, and the first elastic component, which is sheathed on, to be turned
Outside moving part, rotating member is rotatablely connected by the first elastic component and mounting bracket, and panel turnover component includes the second elastic component and turnover panel sheet
Body, the second elastic component are sheathed on outside flap body, and flap body is rotatablely connected by the second elastic component and electromagnet mechanism, rotation
Part is set between electromagnet mechanism and flap body, and is abutted with flap body, the position of flap body and tripping mechanism
Position is corresponding, and rotating member is provided with opening, and flap body is provided with grab, and grab is clamped with opening, and electromagnet mechanism is used for
Magnetic-adsorption rotating member is generated when electric current is more than preset value, so that grab is detached from opening, so that flap body is to remote
Direction rotation from electromagnet mechanism, and then push tripping mechanism rotation so that moving contact is detached with static contact.
Energy storage hydraulic circuit breaker and overcurrent protective device provided by the invention have the advantages that：
Energy storage hydraulic circuit breaker provided by the invention, when circuital current is more than preset value, rotating member is in electromagnet mechanism
Magneticaction under rotate, cause grab with opening be detached from so that flap body to far from electromagnet mechanism side
To rotation, and then push tripping mechanism rotation so that moving contact is detached with static contact, realizes the cut-out of circuit.With the prior art
In breaker compare, energy storage hydraulic circuit breaker provided by the invention is as a result of the electromagnet machine being connect with rotating member magnetism
Structure and the grab being clamped with opening, so circuit can be cut off immediately when electric current is more than preset value, high sensitivity, open circuit effect
Rate is high, and service life is long, highly practical.
Overcurrent protective device provided by the invention, including energy storage hydraulic circuit breaker, it is simple in structure, can be more than pre- in electric current
If cutting off circuit when value immediately, high sensitivity, open circuit is efficient, and service life is long, highly practical, cost-effective.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of overcurrent protective device provided in an embodiment of the present invention；
Fig. 2 is energy storage hydraulic circuit breaker structural schematic diagram under normal condition provided in an embodiment of the present invention；
Fig. 3 is that energy storage hydraulic circuit breaker provided in an embodiment of the present invention is in the structural schematic diagram under over-current state；
Fig. 4 is that hydraulic electromagnetic trip switch is under normal condition in energy storage hydraulic circuit breaker provided in an embodiment of the present invention
Structural schematic diagram；
Fig. 5 is that hydraulic electromagnetic trip switch is under over-current state in energy storage hydraulic circuit breaker provided in an embodiment of the present invention
Structural schematic diagram；
Fig. 6 is the structural schematic diagram of rotating member in Fig. 4；
Fig. 7 is the structural schematic diagram of flap body in Fig. 4；
Fig. 8 is the structural schematic diagram of hydraulic electromagnetic iron construction in energy storage hydraulic circuit breaker provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of hydraulic component in Fig. 8；
Figure 10 is the structural schematic diagram of conductor wire snare in Fig. 8.
Icon：10- overcurrent protective devices；100- energy storage hydraulic circuit breakers；110- shells；The dropout of 120- hydraulic electromagnetics is opened
It closes；121- electromagnet mechanisms；1211- conductor wire snares；1212- hydraulic components；1213- mounting holes；1214- hydraulic pressure lubricating cups；
12141- blind ends；The open ends 12142-；1215- iron cores；1216- springs；1217- end sockets；1218- coil bodies；1219- lines
Coil；12191- fixed parts；12192- first ends；12193- sleeved parts；12194- the second ends；122- mounting brackets；
1221- trepannings；123- armature components；The first elastic components of 1231-；1232- rotating members；1233- is open；The first rotation axis of 1234-；
1235- rotating turrets；1236- first connecting portions；1237- second connecting portions；1238- abutting parts；1239- limiting sections；124- turnover panels
Component；The second elastic components of 1241-；1242- flap bodies；1243- grabs；The second rotation axis of 1244-；1245- rollover stands；
The first mounting portions of 1246-；The second mounting portions of 1247-；1248- extensions；130- moving contacts；140- static contacts；150- first connects
Line terminals；The second connecting terminals of 160-；170- combined floodgate spanners；171- wrench bodies；172- transmission shafts；180- tripping mechanisms；
181- central shafts；182- revolving parts；190- hydraulic electromagnetic iron constructions；200- electric wires.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the instructions such as term "inner", "outside", "upper", "lower", "horizontal"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment can be combined with each other.
Embodiment
Please refer to Fig. 1, an embodiment of the present invention provides a kind of overcurrent protective device 10, for occur heavy overload or
The automatic shutdown circuit when failures such as short circuit ensures Electrical Safety.Its is simple in structure, precisely can efficiently cut off circuit, sensitive
Degree is high, and open circuit is efficient, and service life is long, highly practical, cost-effective.Overcurrent protective device 10 includes energy storage hydraulic circuit breaker
100 and electric wire 200, extraneous power supply connect with energy storage hydraulic circuit breaker 100 by electric wire 200, energy storage hydraulic circuit breaker 100 passes through
Electric wire 200 is connect with electric appliance, to realize power supply of the extraneous power supply to electric appliance, when over current fault occurs for the power supply circuit, energy storage
Hydraulic circuit breaker 100 cuts off the circuit, is protected to electric appliance, ensures Electrical Safety.
Please refer to Fig. 2, energy storage hydraulic circuit breaker 100 include shell 110, hydraulic electromagnetic trip switch 120, moving contact 130,
Static contact 140, the first connecting terminal 150, the second connecting terminal 160, combined floodgate spanner 170 and tripping mechanism 180.Hydraulic electromagnetic is de-
It is equal to detain switch 120, moving contact 130, static contact 140, the first connecting terminal 150, the second connecting terminal 160 and tripping mechanism 180
It is installed in shell 110, to be covered and be protected under the action of shell 110.Moving contact 130 is fixed with tripping mechanism 180
Connection, and abutted with static contact 140, static contact 140 is fixedly installed in shell 110.First connecting terminal 150 and the second wiring
The opposite both ends for being installed on shell 110 of terminal 160, hydraulic electromagnetic trip switch 120 are connect with the first connecting terminal 150, and first
Connecting terminal 150 is connect with extraneous power supply or electric appliance, and the second connecting terminal 160 is electrically connected with moving contact 130, the second terminals
Son 160 is connect with electric appliance or extraneous power supply.Hydraulic electromagnetic trip switch 120 can push tripping mechanism in circuit overcurrent
180 so that tripping mechanism 180 rotates, and tripping mechanism 180 drives moving contact 130 to be subjected to displacement so that moving contact 130 and stationary contact
First 140 separation, circuit disconnect, and in the process, tripping mechanism 180 pushes hydraulic electromagnetic trip switch 120, keep hydraulic electromagnetic de-
It detains switch 120 to reset, waits for close a floodgate next time.Combined floodgate spanner 170 links with tripping mechanism 180, and can be 110 turns relative to shell
It is dynamic.The rotation of tripping mechanism 180 can drive combined floodgate spanner 170 to rotate, that is, trip, if desired connection circuit again, user
Combined floodgate spanner 170 can be turned round by external force, tripping mechanism 180 is driven to turn round, moving contact 130 abuts again with static contact 140, electricity
Road is powered.
In the present embodiment, the first connecting terminal 150 is input terminal, and the first connecting terminal 150 passes through electric wire 200 and the external world
Power supply connects, and the second connecting terminal 160 is leading-out terminal, and the second connecting terminal 160 is connect by electric wire 200 with electric appliance.
Please refer to Fig. 3, it is notable that tripping mechanism 180 includes central shaft 181 and revolving part 182.Revolving part 182
It is sheathed on outside central shaft 181, and is rotatablely connected with central shaft 181, central shaft 181 is fixedly installed in shell 110, revolving part
182 one end is fixedly connected with moving contact 130, and the other end is connect with combined floodgate spanner 170, and revolving part 182 can be relative to center
Axis 181 rotates, and to drive moving contact 130 to rotate, realizes that circuit connects or disconnects.
In the present embodiment, combined floodgate spanner 170 includes wrench body 171 and transmission shaft 172.Wrench body 171 and shell 110
One end of rotation connection, transmission shaft 172 is hinged with wrench body 171, and the other end is hinged with revolving part 182, and revolving part 182 can
Drive the rotation tripping of wrench body 171.
Hydraulic electromagnetic trip switch 120 includes electromagnet mechanism 121, mounting bracket 122, armature component 123 and turnover panel group
Part 124.Electromagnet mechanism 121 is installed in mounting bracket 122, and is electrically connected with static contact 140, electromagnet mechanism 121 and
One connecting terminal 150 connects, and electric current after electromagnet mechanism 121 by flowing to static contact 140.Armature component 123 is installed on installation
One end of holder 122, panel turnover component 124 are installed on the other end of mounting bracket 122, and armature component 123 blocks with panel turnover component 124
It connects, armature component 123 and panel turnover component 124 can be rotated relative to mounting bracket 122.When electric current is more than preset value, electricity
Magnet mechanism 121 generates magnetic force, is adsorbed to armature component 123, and armature component 123 rotates so that panel turnover component 124 is detached from
Armature component 123, panel turnover component 124 rotates under own resilient effect to the direction far from electromagnet mechanism 121, and then pushes
Tripping mechanism 180 rotates so that moving contact 130 is detached with static contact 140.
Fig. 4 is please referred to, armature component 123 includes the first elastic component 1231 and rotating member 1232.First 1231 sets of elastic component
Outside rotating member 1232, rotating member 1232 is rotatablely connected by the first elastic component 1231 with mounting bracket 122, the first elastic component
1231 provide the torsion rotated to the direction far from electromagnet mechanism 121 to rotating member 1232 so that rotating member 1232 keeps remote
State from electromagnet mechanism 121.
Panel turnover component 124 includes the second elastic component 1241 and flap body 1242.Second elastic component 1241 is sheathed on turnover panel
Outside ontology 1242, flap body 1242 is rotatablely connected by the second elastic component 1241 with electromagnet mechanism 121, the second elastic component
1241 provide the torsion rotated to the direction far from electromagnet mechanism 121 to flap body 1242 so that flap body 1242 is protected
Hold the state far from electromagnet mechanism 121.
It is worth noting that, rotating member 1232 is set between electromagnet mechanism 121 and flap body 1242, and and turnover panel
Ontology 1242 abuts, and flap body 1242 limits rotating member 1232, and rotating member 1232 is prevented to be rotated further.Flap body
1242 position is corresponding with the position of tripping mechanism 180, and the rotation of flap body 1242 can push tripping mechanism 180 so that
Tripping mechanism 180 also rotates.
It should be noted that rotating member 1232 is provided with opening 1233, flap body 1242 is provided with grab 1243, grab
1243 are clamped with opening 1233, to fix the relative position of rotating member 1232 and flap body 1242, prevent flap body 1242
Continue to rotate to the direction far from electromagnet mechanism 121.When electric current is more than preset value, electromagnet mechanism 121 generates magnetic force and inhales
Attached rotating member 1232, in the process rotating member 1232 overcome the elastic force of the first elastic component 1231 to close to electromagnet mechanism 121
Direction rotation so that grab 1243 with opening 1233 be detached from, rotating member 1232 no longer to flap body 1242 limit so that turn over
Plate ontology 1242 rotates under the action of the second elastic component 1241 to the direction far from electromagnet mechanism 121, and then pushes and thread off
Mechanism 180 rotates so that moving contact 130 is detached with static contact 140.
Fig. 5 is please referred to, rotating member 1232 includes the first rotation axis 1234 and rotating turret 1235.First rotation axis 1234 is installed
In in rotating turret 1235, and formation opening 1233 is combined with rotating turret 1235, grab 1243 stretches into opening 1233, and with rotation
1235 clamping of frame.Rotating turret 1235 is abutted with flap body 1242, and flap body 1242 limits rotating turret 1235.First
Elastic component 1231 is sheathed on outside the first rotation axis 1234, and one end of the first elastic component 1231 is abutted with rotating turret 1235, the other end
It is abutted with mounting bracket 122.Specifically, the first elastic component 1231 is torsional spring, and the first elastic component 1231 is provided to rotating turret 1235
The torsion rotated to the direction far from electromagnet mechanism 121 so that rotating turret 1235 far from electromagnet mechanism 121, and with overturning
Ontology abuts.
Fig. 6 is please referred to, rotating turret 1235 includes first connecting portion 1236, second connecting portion 1237, abutting part 1238 and limit
Position portion 1239.First connecting portion 1236 is connect by abutting part 1238 with second connecting portion 1237, and limiting section 1239 is connected to
One one end of interconnecting piece 1236 far from abutting part 1238, in the present embodiment, first connecting portion 1236, is supported at second connecting portion 1237
Socket part 1238 and limiting section 1239 are integrally formed, to improve bonding strength.One end of first rotation axis 1234 passes through the first connection
Portion 1236, and be rotatablely connected with mounting bracket 122, the other end passes through second connecting portion 1237, and rotates and connect with mounting bracket 122
It connects.Abutting part 1238 is abutted with flap body 1242, and flap body 1242 limits abutting part 1238, limiting section 1239 with
Mounting bracket 122 abuts, and mounting bracket 122 limits limiting section 1239, to prevent entire rotating turret 1235 to far from electricity
The direction of magnet mechanism 121 is rotated further.
Please continue to refer to Fig. 5, flap body 1242 includes the second rotation axis 1244 and rollover stand 1245.Second rotation axis
1244 are installed in rollover stand 1245, and rollover stand 1245 is abutted with rotating member 1232, to be limited to rotating member 1232.Overturning
Frame 1245 is provided with grab 1243, and grab 1243 is fastened in opening 1233, to be limited to rollover stand 1245.Second elasticity
Part 1241 is sheathed on outside the second rotation axis 1244, and one end of the second elastic component 1241 is abutted with rollover stand 1245, the other end and electricity
Magnet mechanism 121 abuts.Specifically, the second elastic component 1241 be torsional spring, the second elastic component 1241 to rollover stand 1245 provide to
The torsion of direction rotation far from electromagnet mechanism 121, the clamping dynamic balance between the torsion and grab 1243 and opening 1233,
To fix the relative position of rollover stand 1245 and rotating member 1232, after grab 1243 is detached from opening 1233, which can
Rollover stand 1245 is driven to be rotated to the direction far from electromagnet mechanism 121, to push tripping mechanism 180 to rotate so that dynamic to touch
First 130 detach with static contact 140.
Fig. 7 is please referred to, rollover stand 1245 includes the first mounting portion 1246, the second mounting portion 1247 and extension 1248.The
One mounting portion 1246 is connect by extension 1248 with the second mounting portion 1247, in the present embodiment, the first mounting portion 1246, second
Mounting portion 1247 and extension 1248 are integrally formed, to improve bonding strength.Grab 1243 is set on extension 1248, so as to
In with 1233 clampings that are open.Second rotation axis 1244 is installed between the first mounting portion 1246 and the second mounting portion 1247, and second
Rotation axis 1244 passes through electromagnet mechanism 121, and is rotatablely connected with electromagnet mechanism 121, and the second rotation axis 1244 can drive
Rollover stand 1245 rotates relative to electromagnet mechanism 121.
Fig. 8 is please referred to, electromagnet mechanism 121 includes conductor wire snare 1211 and hydraulic component 1212.Conductor wire snare
1211 are sheathed on outside hydraulic component 1212, and conductor wire snare 1211 works as conductive coil for being connected to extraneous power supply or electric appliance
After set 1211 is powered, hydraulic component 1212 can be made to generate magnetic force.Hydraulic component 1212 is for generating magnetic force to adsorb rotating member
1232 so that rotating member 1232 rotates.Conductor wire snare 1211 is provided with mounting hole 1213, mounting hole 1213 and second turn
Moving axis 1244 coordinates, and the second rotation axis 1244 being capable of the rotation in mounting hole 1213.
It should be noted that conductor wire snare 1211, hydraulic component 1212 and mounting bracket 122 are referred to as hydraulic electromagnet
Structure 190, conductor wire snare 1211 and hydraulic component 1212 are mounted in mounting bracket 122, and mounting bracket 122 is to conductor wire
Snare 1211 and hydraulic component 1212 are limited.
Fig. 9 is please referred to, hydraulic component 1212 includes hydraulic pressure lubricating cup 1214, iron core 1215, spring 1216 and end socket 1217.It leads
Electric wire snare 1211 is sheathed on outside hydraulic pressure lubricating cup 1214, and end socket 1217 is fixedly installed in one end of hydraulic pressure lubricating cup 1214, by liquid
Pressure oil cup 1214 is closed.For containing hydraulic oil, iron core 1215 is set in hydraulic pressure lubricating cup 1214 hydraulic pressure lubricating cup 1214, and is passed through
Spring 1216 is connect with end socket 1217, and iron core 1215 moves in the environment of hydraulic oil, stability and high efficiency, the frictional resistance being subject to
It is small.Iron core 1215 can generate magnetic force when conductor wire snare 1211 is powered, and close to end socket 1217 under the magnetic force.
Iron core 1215 is used to abut with end socket 1217 when electric current is more than preset value, and adsorbs rotating member 1232 by end socket 1217.
It should be noted that when conductor wire snare 1211 is powered, iron core 1215 generates magnetism, since end socket 1217 is fixed
It is motionless, so iron core 1215 can have to the close magnetic force of end socket 1217, during iron core 1215 is close to end socket 1217,
Spring 1216 compression generate elastic force, the elastic force with it is magnetic balanced, iron core 1215 remains stationary as.If small by electric current, magnetic force is weak, bullet
Power is also small, and iron core 1215 is located remotely from one end of end socket 1217, cannot generate suction-operated to rotating member 1232 at this time；If passing through
Electric current is big, and magnetic force is big, and elastic force is also big, and iron core 1215 is located at close to one end of end socket 1217, but is not supported with end socket 1217,
Suction-operated can not be generated to rotating member 1232 at this time；If being more than preset value by electric current, magnetic force overcomes spring 1216 completely
Elastic force, iron core 1215 supports with end socket 1217, and then adsorbs rotating member 1232, and grab 1243 is detached from opening 1233 so that
Rollover stand 1245 is rotated to the direction far from electromagnet mechanism 121, to push tripping mechanism 180 to rotate so that moving contact 130
It is detached with static contact 140, realizes open circuit.
In the present embodiment, hydraulic pressure lubricating cup 1214 is in the form of a column, and hydraulic pressure lubricating cup 1214 is relatively set with blind end 12141 and opening
End 12142, end socket 1217 is fixedly installed in open end 12142, to be completely enclosed to hydraulic pressure lubricating cup 1214 so that iron core
1215 can be subjected to displacement in the environment of hydraulic oil.
Figure 10 is please referred to, conductor wire snare 1211 includes coil body 1218 and bobbin 1219.Coil body 1218 twines
Around being set to outside bobbin 1219, bobbin 1219 is sheathed on outside hydraulic pressure lubricating cup 1214, and is arranged close to open end 12142, line
Circle ontology 1218 with extraneous power supply or electric appliance for connecting, so that the iron core 1215 in hydraulic pressure lubricating cup 1214 generates magnetic force.The
Two elastic components 1241 are abutted with bobbin 1219, to provide torsion to rollover stand 1245.Bobbin 1219, which extends outwardly, to be provided with
Fixed part 12191, mounting hole 1213 are opened on fixed part 12191, and the second rotation axis 1244 can be relative to fixed part 12191
Rotation.
It is worth noting that, the cross-sectional area of end socket 1217 is more than the cross-sectional area of open end 12142, opened with completely enclosed
Mouth end 12142, bobbin 1219 is abutted with end socket 1217, to limit the position of bobbin 1219.In the present embodiment, conductive coil
Set 1211 and hydraulic pressure lubricating cup 1214 are mounted in mounting bracket 122, bobbin 1219 one end and installation far from end socket 1217
Holder 122 supports, and 1217 collective effect of mounting bracket 122 and end socket is fixed with the position to bobbin 1219.This implementation
In example, mounting bracket 122 is provided with trepanning 1221, and the length of bobbin 1219 is less than the length of hydraulic pressure lubricating cup 1214, hydraulic oil
Cup 1214 stretches out bobbin 1219, and passes through trepanning 1221.Specifically, iron core 1215 stretches into bobbin 1219, coil body
1218, which are powered, enables to iron core 1215 to generate magnetism.
Bobbin 1219 includes first end 12192, sleeved part 12193 and the second end 12194.First end 12192
It is integrally formed by sleeved part 12193 and the second end 12194, to improve bonding strength.Coil body 1218 is wound on
Outside sleeved part 12193, sleeved part 12193 is sheathed on outside hydraulic pressure lubricating cup 1214, and first end 12192 and the second end 12194 are used
It is limited in coil body 1218, to prevent coil body 1218 to be detached from sleeved part 12193.First end 12192 and peace
Dress holder 122 supports, and the second end 12194 is supported with end socket 1217, and fixed part 12191 is connect with the second end 12194.This reality
It applies in example, sleeved part 12193 is in the form of a column, and first end 12192 and the second end 12194 are disc-shaped, 12192 He of first end
The diameter of the second end 12194 is all higher than the diameter of sleeved part 12193.Specifically, first end 12192 is provided with via (figure
Do not show), the second end 12194 is arranged jagged (not shown), and one end of coil body 1218 passes through via, and with the first wiring
Terminal 150 connects, and the other end passes through notch, and is connect with static contact 140, is convenient for the installation and removal of coil body 1218.
Energy storage hydraulic circuit breaker 100 provided in an embodiment of the present invention, when circuital current is more than preset value, rotating member 1232
It rotates under the magneticaction of electromagnet mechanism 121, causes grab 1243 to be detached from opening 1233, so that turnover panel sheet
Body 1242 is rotated to the direction far from electromagnet mechanism 121, and then tripping mechanism 180 is pushed to rotate so that moving contact 130 with it is quiet
Contact 140 detaches, and realizes the cut-out of circuit.Compared with breaker in the prior art, energy-storage liquid provided by the invention breaks road
Device 100 is as a result of the grab with the magnetic electromagnet mechanism 121 connecting of rotating member 1232 and with 1233 clamping of opening
1243, so circuit can immediately be cut off when electric current is more than preset value, high sensitivity, open circuit is efficient, and service life is long, real
It is strong with property so that overcurrent protective device 10 is safe and practical, cost-effective, and user experience is good.
Hydraulic electromagnetic iron construction 190 provided in an embodiment of the present invention, conductor wire snare 1211 are sheathed on hydraulic pressure lubricating cup 1214
Outside, for conductor wire snare 1211 for being connect with extraneous power supply or electric appliance, end socket 1217 is fixedly installed in hydraulic pressure lubricating cup 1214
One end, for containing hydraulic oil, iron core 1215 is set in hydraulic pressure lubricating cup 1214 hydraulic pressure lubricating cup 1214, and by spring 1216 with
End socket 1217 connects, and iron core 1215 can generate magnetic force when conductor wire snare 1211 is powered, and under the magnetic force to envelope
First 1217 is close, and iron core 1215 is used to abut with end socket 1217 when electric current is more than preset value, and by end socket 1217 to the external world
Armature is adsorbed.Compared with prior art, hydraulic electromagnetic iron construction 190 provided by the invention is as a result of passing through spring
1216 iron cores 1215 being connect with end socket 1217 and the conductor wire snare 1211 being sheathed on outside hydraulic pressure lubricating cup 1214, so can
It is acted under hydraulic environment, and extraneous armature is adsorbed when electric current is more than preset value, high sensitivity is stable
Reliably, practicality and high efficiency so that breaker safe is practical, and cost-effective, user experience is good.
Hydraulic electromagnetic trip switch 120 provided in an embodiment of the present invention, when circuital current is more than preset value, rotating member
1232 overcome the elastic force of the first elastic component 1231 to rotate under the magneticaction of electromagnet mechanism 121, lead to grab 1243
It is detached from opening 1233, rotating member 1232 no longer limits flap body 1242, so that flap body 1242 is the
It is rotated to the direction far from electromagnet mechanism 121 under the elastic force effect of two elastic components 1241, and then realizes the cut-out of circuit.With it is existing
There is technology to compare, hydraulic electromagnetic trip switch 120 provided by the invention is as a result of the electricity being connect with 1232 magnetism of rotating member
Magnet mechanism 121 and the grab 1243 being clamped with opening 1233, so when electric current is more than preset value electricity can be cut off immediately
Road, high sensitivity, open circuit is efficient, and service life is long, highly practical so that breaker safe is practical, cost-effective, user's body
It tests and feels.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of energy storage hydraulic circuit breaker, which is characterized in that including shell, hydraulic electromagnetic trip switch, moving contact, static contact and
Tripping mechanism, the hydraulic electromagnetic trip switch, the moving contact, the static contact and the tripping mechanism are mounted on described
In shell, the moving contact is fixedly connected with the tripping mechanism, and is abutted with the static contact, and the hydraulic electromagnetic dropout is opened
Pass includes electromagnet mechanism, mounting bracket, armature component and panel turnover component, and the electromagnet mechanism is installed on the mounting bracket
It is interior, and be electrically connected with the static contact, the electromagnet mechanism with extraneous power supply or electric appliance for being connected to, the armature component
It is installed on one end of the mounting bracket, the panel turnover component is installed on the other end of the mounting bracket, the armature component
Including the first elastic component and rotating member, first elastic component is sheathed on outside the rotating member, and the rotating member passes through described
One elastic component and the mounting bracket are rotatablely connected, and the panel turnover component includes the second elastic component and flap body, and described second
Elastic component is sheathed on outside the flap body, and the flap body is rotated by second elastic component and the electromagnet mechanism
Connection, the rotating member is set between the electromagnet mechanism and the flap body, and is abutted with the flap body, institute
The position for stating flap body is corresponding with the position of the tripping mechanism, and the rotating member is provided with opening, the flap body
It is provided with grab, the grab is clamped with the opening, and the electromagnet mechanism is used to generate magnetic when electric current is more than preset value
Power adsorbs the rotating member, so that the grab is detached from the opening, so that the flap body is to far from the electricity
The direction of magnet mechanism rotates, and then pushes the tripping mechanism rotation so that the moving contact is detached with the static contact.
2. energy storage hydraulic circuit breaker according to claim 1, which is characterized in that the energy storage hydraulic circuit breaker further includes
One connecting terminal and the second connecting terminal, first connecting terminal and second connecting terminal are opposite to be installed on the shell
Both ends, first connecting terminal is electrically connected with the electromagnet mechanism, second connecting terminal and moving contact electricity
Connection.
3. energy storage hydraulic circuit breaker according to claim 1, which is characterized in that the tripping mechanism includes central shaft and rotation
Turn part, the revolving part is sheathed on outside the central shaft, and is connect with the central axis, and the central shaft is fixedly installed in
In the shell, the revolving part is fixedly connected with the moving contact.
4. energy storage hydraulic circuit breaker according to claim 3, which is characterized in that the energy storage hydraulic circuit breaker further includes closing
Lock spanner, the combined floodgate spanner are installed on the shell, and are connect with the one end of the revolving part far from the moving contact, institute
Stating combined floodgate spanner can rotate relative to the shell.
5. energy storage hydraulic circuit breaker according to claim 4, which is characterized in that the combined floodgate spanner include wrench body and
Transmission shaft, the wrench body are rotatablely connected with the shell, and one end of the transmission shaft is hinged with the wrench body, another
End is hinged with the revolving part.
6. energy storage hydraulic circuit breaker according to claim 1, which is characterized in that the rotating member include the first rotation axis and
Rotating turret, first rotation axis are installed in the rotating turret, and combine to form the opening with the rotating turret, described turn
Moving frame is abutted with the flap body, and first elastic component is sheathed on outside first rotation axis, first elastic component
One end is abutted with the rotating turret, and the other end is abutted with the mounting bracket.
7. energy storage hydraulic circuit breaker according to claim 1, which is characterized in that the flap body includes the second rotation axis
And rollover stand, second rotation axis are installed in the rollover stand, the rollover stand is abutted with the rotating member, the overturning
Erection is equipped with the grab, and second elastic component is sheathed on outside second rotation axis, one end of second elastic component with
The rollover stand abuts, and the other end is abutted with the electromagnet mechanism.
8. energy storage hydraulic circuit breaker according to claim 7, which is characterized in that the electromagnet mechanism includes conductive coil
Set and hydraulic component, the conductor wire snare be sheathed on outside the hydraulic component, the conductive coil set for extraneous power supply
Or electric appliance connection, for the hydraulic component for generating magnetic force to adsorb the rotating member, the conductive coil set is provided with peace
Hole is filled, the mounting hole coordinates with second rotation axis.
9. energy storage hydraulic circuit breaker according to claim 8, which is characterized in that the hydraulic component include hydraulic pressure lubricating cup,
Iron core, spring and end socket, the conductor wire snare are sheathed on outside the hydraulic pressure lubricating cup, and the end socket is fixedly installed in the hydraulic pressure
One end of lubricating cup, for containing hydraulic oil, the iron core is set in the hydraulic pressure lubricating cup hydraulic pressure lubricating cup, and by described
Spring is connect with the end socket, and the iron core can generate magnetic force when the conductor wire snare is powered, and in the effect of magnetic force
Lower close to the end socket, the iron core is used to abut with the end socket when electric current is more than preset value, and passes through the end socket
Adsorb the rotating member.
10. a kind of overcurrent protective device, which is characterized in that break road including energy-storage liquid as described in any one of claim 1 to 9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950209.2A CN108777244B (en) | 2018-08-20 | 2018-08-20 | Energy storage hydraulic circuit breaker and overcurrent protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950209.2A CN108777244B (en) | 2018-08-20 | 2018-08-20 | Energy storage hydraulic circuit breaker and overcurrent protection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777244A true CN108777244A (en) | 2018-11-09 |
| CN108777244B CN108777244B (en) | 2023-11-03 |
Family
ID=64028725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950209.2A Active CN108777244B (en) | 2018-08-20 | 2018-08-20 | Energy storage hydraulic circuit breaker and overcurrent protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777244B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616391A (en) * | 2019-01-18 | 2019-04-12 | 厦门大恒科技有限公司 | Varistor contact mechanism and arc-proof circuit breaker |
| CN110634718A (en) * | 2019-08-22 | 2019-12-31 | 南安市董山尾机械科技有限公司 | Circuit breaker for low-voltage switch cabinet |
| CN111107705A (en) * | 2020-01-16 | 2020-05-05 | 诸暨平措照明科技有限公司 | Overcurrent protection device for lighting lamp circuit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802710Y (en) * | 2005-06-28 | 2006-08-02 | 汪祥余 | Electromagnetic hydraulic circuit breaker |
| CN101872698A (en) * | 2009-04-21 | 2010-10-27 | 上海良信电器股份有限公司 | Improved hydraulic electromagnetic breaker |
| CN102064057A (en) * | 2009-11-12 | 2011-05-18 | 徐浩明 | Miniature circuit breaker current limiter |
| CN202003932U (en) * | 2011-03-08 | 2011-10-05 | 浙江兴达电器科技有限公司 | Bracket-free hydraulic electromagnetic circuit breaker |
| CN202339890U (en) * | 2011-10-28 | 2012-07-18 | 温州凯信电气有限公司 | Hydraulic electromagnetic breaker |
| CN106847629A (en) * | 2017-04-11 | 2017-06-13 | 厦门大恒科技有限公司 | Miniature circuit breaker and circuit protection device |
| CN107275163A (en) * | 2017-06-29 | 2017-10-20 | 首瑞（天津）电气设备有限公司 | Breaker and distribution system |
| CN209016007U (en) * | 2018-08-20 | 2019-06-21 | 厦门大恒科技有限公司 | Energy storage hydraulic circuit breaker and overcurrent protection equipment |
-
2018
- 2018-08-20 CN CN201810950209.2A patent/CN108777244B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802710Y (en) * | 2005-06-28 | 2006-08-02 | 汪祥余 | Electromagnetic hydraulic circuit breaker |
| CN101872698A (en) * | 2009-04-21 | 2010-10-27 | 上海良信电器股份有限公司 | Improved hydraulic electromagnetic breaker |
| CN102064057A (en) * | 2009-11-12 | 2011-05-18 | 徐浩明 | Miniature circuit breaker current limiter |
| CN202003932U (en) * | 2011-03-08 | 2011-10-05 | 浙江兴达电器科技有限公司 | Bracket-free hydraulic electromagnetic circuit breaker |
| CN202339890U (en) * | 2011-10-28 | 2012-07-18 | 温州凯信电气有限公司 | Hydraulic electromagnetic breaker |
| CN106847629A (en) * | 2017-04-11 | 2017-06-13 | 厦门大恒科技有限公司 | Miniature circuit breaker and circuit protection device |
| CN107275163A (en) * | 2017-06-29 | 2017-10-20 | 首瑞（天津）电气设备有限公司 | Breaker and distribution system |
| CN209016007U (en) * | 2018-08-20 | 2019-06-21 | 厦门大恒科技有限公司 | Energy storage hydraulic circuit breaker and overcurrent protection equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616391A (en) * | 2019-01-18 | 2019-04-12 | 厦门大恒科技有限公司 | Varistor contact mechanism and arc-proof circuit breaker |
| CN109616391B (en) * | 2019-01-18 | 2024-04-30 | 厦门大恒科技有限公司 | Resistance-variable contact mechanism and arc-proof circuit breaker |
| CN110634718A (en) * | 2019-08-22 | 2019-12-31 | 南安市董山尾机械科技有限公司 | Circuit breaker for low-voltage switch cabinet |
| CN111107705A (en) * | 2020-01-16 | 2020-05-05 | 诸暨平措照明科技有限公司 | Overcurrent protection device for lighting lamp circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108777244B (en) | 2023-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108777244A (en) | Energy storage hydraulic circuit breaker and overcurrent protection equipment | |
| CN107086165A (en) | Rotary multichannel fuse | |
| MX2014008848A (en) | Circuit breaker remote tripping. | |
| US9685293B1 (en) | Apparatus and method of blocking and unblocking a breaker handle of a circuit breaker | |
| CN101620959B (en) | Rocker type fire preventing switch | |
| CN102543602A (en) | Tripping unit of molded shell and tube circuit breaker and circuit breaker with the same | |
| CN208637375U (en) | Monostable electromagnetic trip switch and circuit breaker | |
| CN209016007U (en) | Energy storage hydraulic circuit breaker and overcurrent protection equipment | |
| CN208580706U (en) | Hydraulic electromagnetic tripping switch and circuit breaker | |
| CN208489163U (en) | Hydraulic electromagnet structure and circuit breaker | |
| CN208489162U (en) | Dynamic balance electromagnetic tripping switch and circuit breaker | |
| CN200997378Y (en) | Inleakage releasing mechanism of circuit breaker | |
| CN205920943U (en) | A trip gear for circuit breaker cabinet and circuit breaker cabinet thereof | |
| CN101373688B (en) | Electric magnet backup protection apparatus | |
| CN108766845A (en) | Hydraulic electromagnet structure and circuit breaker | |
| CN108922837A (en) | Dynamic balance electromagnetic tripping switch and circuit breaker | |
| CN202067740U (en) | Line terminal load controller | |
| CN109036990A (en) | Hydraulic electromagnetic tripping switch and circuit breaker | |
| EP1050059B1 (en) | Instantaneous trip power transformer | |
| CN213519824U (en) | Circuit breaker | |
| CN212874398U (en) | Electric leakage tripping module with auxiliary and alarm functions | |
| CN201956148U (en) | Lightning protection device for power supply | |
| CN209150033U (en) | Varistor contact mechanism and arc-proof circuit breaker | |
| CN109659207B (en) | Resistance abrupt contact device and circuit breaker | |
| CN209843646U (en) | Circuit breaker with over-voltage and under-voltage protection assembly |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |