CN2472341Y - Integrated controlling and protecting switch device - Google Patents
Integrated controlling and protecting switch device Download PDFInfo
- Publication number
- CN2472341Y CN2472341Y CN 01238478 CN01238478U CN2472341Y CN 2472341 Y CN2472341 Y CN 2472341Y CN 01238478 CN01238478 CN 01238478 CN 01238478 U CN01238478 U CN 01238478U CN 2472341 Y CN2472341 Y CN 2472341Y
- Authority
- CN
- China
- Prior art keywords
- contact
- push rod
- fixed
- control
- circuit
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a controlling and protection switch appliance which is integrated by a plurality of modules in the field of switch appliance. The switch appliance mainly comprises a base, a contact group, an electromagnetic transmission mechanism, a manipulating mechanism, a separating mechanism, an over-current tripper, an interlock mechanism, and a relay for detecting power. The utility model is characterized in that the separation, short circuit, overload, phase-failure protection and the manual and automatic controlling function in remote or short distance can all be realized in a single production. Thus, the controlling and protection circuit which is wired tediously by a plurality of separated elements which are separator, circuit breaker, contactor, and thermal relay can be fully replaced by the integrated structure. The integrated switch appliance has the advantages of perfect function, reasonable performance coordination, and convenient use and maintenance. Besides, the utility model can save money and material so that the application future is very wide.
Description
The utility model relates to a kind of integrated device for switching with kinds of protect, and the current-limiting arc-control device, isolation knife contact, operating mechanism, electromagnetism transmission mechanism, overcurrent trip, interlocking device, the power supply that relate in particular in this device for switching detect relay.
At present; both at home and abroad to protection such as the isolation of circuit, short circuit, overload, the phase failure and to protection and frequent operation controls such as the short circuit of motor, the phase failure, overloads; be essentially the form of multiple resolution element assembly unit, provided to realizing that above-mentioned control and defencive function adopt the typical circuit of resolution element as Fig. 1.Isolator G is the safety when guaranteeing that the maintainer overhauls circuit among the figure; Circuit breaker CB (or fuse R) is as the short-circuit protection of circuit: contactor CJ is the frequent start-stop motor; Thermal relay JR is as motor overload protection, sometimes the also open phase protection of double as motor.The circuit that these components and parts mix into, the wiring complexity is installed loaded down with trivial detailsly, and it is huge to take up room, poor reliability, and require the designer that various part characteristics are grasped fully, just can design characteristic and cooperate comparatively suitable circuit.
And to the switching of duplicate supply, current general way both at home and abroad is to adopt two circuit breakers or two contactors to realize, when adopting two circuit breakers, additional electric operating of its conversion and linkage, mechanism comes the mechanism of actuating circuit breaker by the electric operating drivening rod, thereby realizes the branch that closes of two circuit breakers, because the operate time of having added the electric operating drivening rod, in the time that adds two circuit breaker branches, combined floodgate, do not satisfy requirement in the occasion that much requires weak point switching time.In addition, because there is the dead point in linkage, it is influenced therefore to change reliability, and its number of operations is also restricted certainly; When adopting two contactors, though can realize control and frequent operation automatically, be not with short-circuit protection, in realizing the circuit that two-way switches, still need be equipped with suitable circuit breaker and realize.
The purpose of this utility model is to provide a kind of control and the integrated device for switching of protection, and it can have multiple function, and volume is small and exquisite, and easy-to-connect has higher reliability.
For achieving the above object, solution of the present utility model is to adopt modularization, have isolation, the phase failure and perfect specified time, inverse time lag, instantaneous three section protection and on the spot, the remote auto controlled function.This device for switching mainly is made up of base, contact group, electromagnetism transmission mechanism, operating mechanism, interrupter and overcurrent trip; And can realize two-way and reversible control and protection to motor by the reversible electrical installation that two playscript with stage directions bodies constitute with addition of mechanical interlocking; The duplicate supply switching ATS that is made of the subsidiary interlocking device of two playscript with stage directions bodies, power supply detection relay is applicable to emergency power supply system.
Below in conjunction with drawings and Examples the utility model is elaborated.
Fig. 1 is the schematic diagram of control with the typical circuit of protection switch electrical equipment discrete component.
Fig. 2 is control of the present utility model and protection switch electrical equipment entity schematic diagram.
Fig. 3 is a current-limiting arc-control device in the main circuit contact group part in control of the present utility model and the protection switch electrical equipment.
Fig. 4 is the solenidal electromagnet in the current-limiting arc-control device in control of the present utility model and the protection switch electrical equipment.
Fig. 5 is the electromagnetism transmission mechanism schematic diagram of control of the present utility model and protection switch electrical equipment.
Fig. 6, Fig. 7 are the operating mechanism schematic diagram of control of the present utility model and protection switch electrical equipment.
Fig. 8 is the panel tab schematic diagram of control of the present utility model and protection switch electrical equipment.
Fig. 9, Figure 10, Figure 11 are the isolated part schematic diagram of control of the present utility model and protection switch electrical equipment.
Figure 12 is the overcurrent trip schematic diagram of control of the present utility model and protection switch electrical equipment.
Figure 13 is the clapper-type wink motor magnet action schematic diagram of control of the present utility model and protection switch electrical equipment.
Figure 14, Figure 15 are the interior differential attachment schematic diagram of the overcurrent trip of control of the present utility model and protection switch electrical equipment.
Figure 16 is reversible, the ATS type interlock schematic diagram of control of the present utility model and protection switch electrical equipment two desk-top compositions.
Figure 17, Figure 18 are that the electromagnetic mechanism of control of the present utility model and protection switch electrical equipment A, B is unshakable in one's determination earlier, back adhesive situation schematic diagram.
Figure 19 is mechanical interlocking and the power supply detection and the open phase protection situation combination schematic diagram of control of the present utility model and protection switch electrical equipment two desk-top compositions.
Figure 20 is the electrical schematic diagram of control of the present utility model and the two desk-top operations of protection switch electrical equipment.
Fig. 2 is a device for switching body of the present utility model, is made up of following each several part, and wherein 1 base connects all other each several parts, and operating mechanism 4 is associated with contact group 2, electromagnetism transmission mechanism 3, interrupter 5 and overcurrent trip 6.
Fig. 3 is the current-limiting arc-control device in the switch body contact group 2, it is characterized in that adopting simultaneously solenidal electromagnet and electrodynamic repulsion force to reach the purpose of high current limliting.Illustrate that below in conjunction with Fig. 3 and Fig. 4 its components and parts constitute and the process of current limliting:
7 is solenidal electromagnet among Fig. 3, its coil directly seals in main circuit, bar 8 is fixed on the moving iron core of solenidal electromagnet 7,9 belows of going into bar 8 of push rod, and be associated with the contact that fixedly touches bridge 14 and support 10, two moving contacts 13 are welded on and touch bridge 14 two ends, two fixed contacts 11 are welded on two contact plates 12 and 15, when short circuit current occurring in the circuit, and solenidal electromagnet 7 adhesives, the moving moving push rod 9 that impacts of 8 winks of bar that drives unshakable in one's determination, and short circuit current is big more, and impact velocity is fast more, and push rod 9 acts on contact and supports 10, drive two moving contacts 13 and separate with two fixed contacts 11, it is synchronous with the dynamic/static contact disjunction to reach the solenidal electromagnet action substantially.
Fig. 4 produces the electrodynamic repulsion force schematic diagram in the contact breaking course, touch bridge 14 internal short-circuit electric current I cs directions among the figure left, contact plate 12,15 internal short-circuit electric current I cs directions to the right, under contact plate internal short-circuit electric current I cs effect,, around touching bridge, produce from the outside magnetic field of paper according to right-hand screw rule, touch bridge and under the action of a magnetic field, produce illustrated electric magnetic F, its size be proportional to short circuit current Ics square, so Ics is big more, the dynamic/static contact breaking speed is fast more.
From the above mentioned, the contact disjunction is subjected to two kinds of metering functions, has reached high current limitation effect, and described its break-time of switch body 80kA short circuit current that adopts this current limliting arc quenching system is in 3ms, and the current limliting coefficient reaches 0.2.
Fig. 5 is an electromagnetism transmission mechanism, it is characterized in that by with can realize cooperating of operating mechanism circuit long-range and automatic control on the spot.Figure point of interruption K is serially connected in the control coil loop, 18 is fixed contact, and moving contact is fixed on the reed 16, and 17 is the driving lever by operating mechanism control, the external control power supply of A1, A2, push rod 19 is fixed on the moving iron core 21, and its lower end abuts against contact by three screw rods 20 as described and supports that 22 is static iron core on 10, during the control coil no power, push rod 19 is just in time depressed contact support 10, and the dynamic/static contact 13,11 in the contact group separates, and main circuit disconnects.Only when the energising of control coil loop, the iron core adhesive is moved iron core drive push rod 19 and is lifted, and contact support 10 moves under the spring force effect, dynamic/static contact 11,13 contacts, and main contact could be closed.
Because breakpoint K is serially connected in the control that is subjected to operating mechanism 4 in the control coil loop, therefore by the knob actuating driving lever 17 on the operating mechanism, make breakpoint K close branch, thereby make the control coil break-make, can realize the branch that closes of main contact on the spot, promptly short range is controlled automatically; Be connected in series on-off push button to inserting on the remote control power supply on A1, the A2 simultaneously, can make the control coil break-make equally, realize the purpose of remote auto control.
Fig. 6 and vertical view 7 thereof are the operating mechanism of described switch, and it is to realize the integrated interface of all functions.
Fig. 8 is that the panel tab 28 and the knob 24,27 and 29 on the operating mechanism 4 of this switch is respectively break-make and short trouble indicating device, it is characterized by knob and can provide the multiple different operating state of switch body.When knob indication AUTO position, switch body is in the on-state of automatic control, and this state is connected the control coil power supply down, and the closed indication piece 27 of main contact takes on a red color; Manual operation makes knob point to the OFF position, and switch body will be in the off-state of automatic control, and this moment, main contact will can not be connected all the time; In the normal circuit of connecting, as when overload, the phase failure, short circuit, fault such as under-voltage occurring, corresponding functional module action in the switch body, this moment, the action of mechanism made knob be in TRIP+ position shown in Figure 8, the position of promptly threading off, special when short trouble occurring, indicating device 29 will take on a red color; Isolate as realizing, must at first knob be placed the G position, operation is isolated indication piece and is realized; RESET is a crossover position among the figure, the button again of the mechanism after operation knob can be realized threading off by this position.
Fig. 9 is an isolated part, and the cutter contact 31 of isolation is fixed on the support 29, and is serially connected in the main circuit, and 32 and 33 are fixing main circuit conductive plate.Under pull bar 23 tension, swivel mount 27 can rotate around fulcrum 28, and simultaneously, the rotation of swivel mount 27 can drive moving up and down of support 31 again, when support 31 moves up under the effect of swivel mount 27, isolation knife contact 31 will break away from 32 and 33 and main circuit is disconnected.When Figure 10 is in isolated location G for knob, the state of main circuit disjunction, as can be seen from Figure 10, moving up and down of support is the result that swivel mount acts on the face N and the face M of support, under this state, move right with external force pulling indication piece 30, indication piece will drive support and break away from swivel mount 27 together with the cutter contact, and as shown in figure 11, face M and face N have not contacted with swivel mount 27, this moment, the rotation of swivel mount can not make main circuit connect, thereby reached the purpose of isolation; As connecting main circuit once more, must make knob get back to isolated location G earlier, external force promotes indication piece, gets back to position shown in Figure 10 by position shown in Figure 11, and the manual manipulation knob makes the cutter contact contact with 33 with main circuit conductive plate 32 then, could connect circuit.
Figure 12 is the overcurrent trip module, it is characterized by it and have clapper-type wink motor magnet and differential attachment, 34 is clapper-type wink motor magnet among the figure, and 35 is transmission mechanism, 34 and 35 are installed on the body, and clapper-type wink, motor magnet 34 coil tandem was in main circuit; Figure 13 is a clapper-type wink motor magnet action schematic diagram, 37 is a slurcam in the overcurrent trip, it contacts with operating mechanism push rod 25, when the loaded current in the circuit during greater than the rated current of the certain multiple of setting, 34 winks of motor magnet clapper-type wink move adhesive, and mechanism's 35 transmissions are passed through in its displacement, 37 move right, promote the push rod 25 in the operating mechanism, thereby finally divide deenergizing, realized that short time delay wink moving.
Figure 14 and Figure 15 are the differential attachment in the overcurrent trip, under the situation of three-phase overload, and 39 heating of bimetal leaf 38 heated element, it is crooked left to promote upper guide plate 41, promotes push pedal 40 and makes transmission mechanism 35 actions, realizes overlond trip; When the circuit phase failure, phase failure bimetal leaf will cool off and bending to the right, promoting bottom guide 42 moves to right, and the two-phase bimetal leaf still makes upper guide plate 40 move to left under current flow heats in addition, the result is rotated counterclockwise push pedal under last bottom guide promotes, make transmission mechanism 35 actions rapidly, realize differential phase failure dropout.
Figure 16 is for being the reversible formed of element body, the mechanical interlocking part of ATS type switch by two described integrated switch electrical equipment, one end of locking part 43 is connected across between switch A, B support 44A and the 44B by axle 44 (Figure 17 and Figure 18), and can rotate around axle 45, one side axis of the other end passes in the interior long waist-shaped hole of push rod 19A of switch A, therefore, when push rod 19A rotated, locking part 43 rotated around axle 45 thereupon, when push rod 19A was motionless, locking part 45 can not move.
Figure 17 is the situation after the first adhesive unshakable in one's determination of the electromagnetic mechanism of switch B, this moment, the push rod 19B of switch B lifted earlier, because the cambered surface p of push rod 19B is to the barrier effect of the cambered surface q of locking part 43, make locking part 43 not rotate around axle 45, even and make the iron core of the control coil of switch A energising can not adhesive, reach switch B adhesive and switch A can not adhesive purpose;
Figure 18 is the situation after the first adhesive unshakable in one's determination of the electromagnetic mechanism of switch A, this moment, the push rod 19A of switch A lifted earlier, locking part 43 is done the rotation of certain angle with push rod 19A, at this moment, because the cambered surface x of locking part 43 is to the barrier effect of the cambered surface y of push rod 19B, make push rod 19B not rotate, thereby the iron core that guarantees switch B can not adhesive, promptly realized the purpose that switch A adhesive switch B can not adhesive.
Figure 19 forms the situation that the ATS type attaches the detection power supply and phase failure protector is provided for two Switch main bodies, described mechanical interlocking and power supply detect relay; 48 is described Switch main body; the 47th, the auxiliary contact that it is subsidiary; 46 are power supply detection relay; it is fixed on the Switch main body by 47, and Figure 20 is its electrical schematic diagram.N is power supply commonly used, S is a stand-by power supply, two contact terminals of voltage relay (one often opens, and one is normally closed) are used for the control coil of control switch A, B respectively, when the arbitrary phase dead electricity of power supply commonly used, power supply detects the actuating of relay, its contact terminal is often opened, normally closed variation output disconnects the control coil of switch A, and the control coil of switch B is connected, and switch A disconnects, switch B closure, power supply S commonly used transfers stand-by power supply to; After power up commonly used was normal, power supply relay returned to the state before the action, and A connects, and B disconnects, and stand-by power supply returns to power supply commonly used again.Above-mentioned process has realized the runback of hauling oneself willingly into of ATS, and simultaneously, can be easy to realize that the hand pitcher is multiple and haul oneself willingly into not runback by handle and at control end A1, A2 and A1 ', A2 ' serial connection button.
It more than is most preferred embodiment of the present utility model.The reversible that device for switching and the utility model of the present utility model constituted, ATS type are as motor and power distribution protection; it is few and make things convenient for to have wiring; take local few; defencive function is perfect; the reliability height; the advantage of continuously-running is particularly suitable for the supermatic occasions of electric-control system such as fields such as metallurgy, colliery, iron and steel, petrochemical industry, harbour, vessel, railway and pump, fire-fighting, blower fan, air-conditioning.
Claims (6)
1. integrated control and protection switch electrical equipment, mainly by base [1], main circuit contact group [2], electromagnetism transmission mechanism [3], operating mechanism [4], interrupter [5] and overcurrent trip [6] are formed, it is characterized in that described main circuit contact group [2] is equipped with the moving of solenidal electromagnet [7] and double break point, quiet main contact, solenidal electromagnet [7] is connected with main contact by driving lever: described electromagnetism transmission mechanism [3] is mainly by moving, static iron core, coil, support, push rod, conductive clip is formed, push rod is fixed on the iron core, be provided with a breakpoint of connecting in the conductive clip, and control by operating mechanism [4] by a driving lever with coil; It is related with overcurrent trip [6], main circuit contact group [2], electromagnetism transmission mechanism [3], interrupter phase [5] respectively that described operating mechanism [4] is equipped with push rod, push pedal, driving lever, pull bar, and there are manually operated indication knob, this knob can place automatic control position (Auto), dropout position (Trip), disjunction position (Off), reset position (Reset) and isolated location (O) respectively; Described interrupter [5] mainly is made up of support, swivel mount, isolation knife contact, indication piece and the pull bar that is associated with operating mechanism [4], and the cutter contact of isolation is fixed on the support, can move up and down connection with support, disconnect main circuit; Described overcurrent trip [6] can finally disconnect described breakpoint of connecting with control coil by being associated with the push rod of operating mechanism [4], thereby cut off main circuit overload, overcurrent (big overload), the phase failure that occurs in the circuit.
2. integrated device for switching according to claim 1 is characterized in that: described dynamic and static main contacts is separately fixed at and touches on bridge and two contact plates, touches bridge and the parallel placement of two contact plates, touches bridge and is fixed on contact and supports.
3. integrated device for switching according to claim 1 is characterized in that on the described push rod that is fixed on the moving iron core three adjustable screw rods being housed, the upper end that three screw rods place the contact of three-phase to support respectively.
4. according to claims 1 described integrated device for switching, it is characterized in that being fixed with sheet metal as fixed contact on the described conductive clip, moving contact is fixed on the reed, contacts with fixed contact by a spring.
5. integrated control and protection switch electrical equipment; by identical two these integrated device for switching is the mechanical interlocking that the reversible formed of element body, duplicate supply switch the ATS type; mainly form by built-in mechanical interlock and push rod; it is characterized in that described locking part one end can rotate around fixed axis; the other end is associated with the wherein described push rod of a stylobate body, and described locking part has two arc surfaces respectively described push rod two cambered surfaces to be played barrier effect.
6. integrated control according to claim 5 and protection switch electrical equipment; it is characterized in that relay is installed on the ATS body; its power supply signal is taken from the end of incoming cables of ATS, and the output signal of its contact mechanism can realize the switching between power supply commonly used and stand-by power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01238478 CN2472341Y (en) | 2001-03-26 | 2001-03-26 | Integrated controlling and protecting switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01238478 CN2472341Y (en) | 2001-03-26 | 2001-03-26 | Integrated controlling and protecting switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2472341Y true CN2472341Y (en) | 2002-01-16 |
Family
ID=33651095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01238478 Expired - Fee Related CN2472341Y (en) | 2001-03-26 | 2001-03-26 | Integrated controlling and protecting switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2472341Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320577C (en) * | 2003-04-24 | 2007-06-06 | 欧姆龙株式会社 | Electromagnetic relay |
| CN101527233A (en) * | 2008-03-05 | 2009-09-09 | 穆勒建筑物自动化有限公司 | A switching device |
| CN1996525B (en) * | 2006-12-05 | 2010-04-07 | 上海电器科学研究所（集团）有限公司 | Switch device for switching multi-pole circuit |
| CN101834101A (en) * | 2010-05-07 | 2010-09-15 | 湖州久天电力科技有限公司 | Protector |
| CN101477921B (en) * | 2008-12-16 | 2011-06-08 | 上海电科电器科技有限公司 | Connection locking structure for protection electric appliance controlling |
| CN101354984B (en) * | 2007-07-23 | 2011-09-21 | 厦门宏美电子有限公司 | Modularized composite non-arc intelligent motor starter |
| CN102655064A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN102655065A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN102751140A (en) * | 2012-07-05 | 2012-10-24 | 同济大学 | Multifunctional switch apparatus with automatic reclosing function |
| CN101416264B (en) * | 2006-03-29 | 2012-11-07 | 土星情报通信株式会社 | Circuits breaker having resetting function and breaking function for abnormal current |
| CN101617380B (en) * | 2006-12-07 | 2012-12-05 | Abb股份有限公司 | Switching apparatus with rotary handle |
| CN101923988B (en) * | 2009-11-24 | 2013-04-17 | 浙江中凯科技股份有限公司 | Modular multifunctional electrical appliance |
| CN101004982B (en) * | 2006-01-17 | 2013-08-14 | 叶可 | Small bipolar breaker with contactor function |
| CN105632802A (en) * | 2016-03-30 | 2016-06-01 | 上海电科电器科技有限公司 | Auxiliary mechanism of operating mechanism |
| CN109473324A (en) * | 2018-10-31 | 2019-03-15 | 厦门安达兴电气集团有限公司 | Nonpolarity low-voltage circuit breaker |
-
2001
- 2001-03-26 CN CN 01238478 patent/CN2472341Y/en not_active Expired - Fee Related
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320577C (en) * | 2003-04-24 | 2007-06-06 | 欧姆龙株式会社 | Electromagnetic relay |
| CN101004982B (en) * | 2006-01-17 | 2013-08-14 | 叶可 | Small bipolar breaker with contactor function |
| CN101416264B (en) * | 2006-03-29 | 2012-11-07 | 土星情报通信株式会社 | Circuits breaker having resetting function and breaking function for abnormal current |
| CN1996525B (en) * | 2006-12-05 | 2010-04-07 | 上海电器科学研究所（集团）有限公司 | Switch device for switching multi-pole circuit |
| CN101617380B (en) * | 2006-12-07 | 2012-12-05 | Abb股份有限公司 | Switching apparatus with rotary handle |
| CN101354984B (en) * | 2007-07-23 | 2011-09-21 | 厦门宏美电子有限公司 | Modularized composite non-arc intelligent motor starter |
| CN101527233A (en) * | 2008-03-05 | 2009-09-09 | 穆勒建筑物自动化有限公司 | A switching device |
| CN101527233B (en) * | 2008-03-05 | 2014-07-30 | 穆勒建筑物自动化有限公司 | A switching device |
| CN101477921B (en) * | 2008-12-16 | 2011-06-08 | 上海电科电器科技有限公司 | Connection locking structure for protection electric appliance controlling |
| CN101923988B (en) * | 2009-11-24 | 2013-04-17 | 浙江中凯科技股份有限公司 | Modular multifunctional electrical appliance |
| CN101834101B (en) * | 2010-05-07 | 2012-07-11 | 湖州久天电力科技有限公司 | Protector |
| CN101834101A (en) * | 2010-05-07 | 2010-09-15 | 湖州久天电力科技有限公司 | Protector |
| CN102655064B (en) * | 2012-04-17 | 2017-02-22 | 温州控保电气有限公司 | Control and protective switching device |
| CN107069438A (en) * | 2012-04-17 | 2017-08-18 | 卢永英 | A kind of device for switching |
| CN102655065A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN102655064A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN106971918A (en) * | 2012-04-17 | 2017-07-21 | 卢永英 | Device for switching |
| CN107068499A (en) * | 2012-04-17 | 2017-08-18 | 卢永英 | Device for switching |
| CN107068494A (en) * | 2012-04-17 | 2017-08-18 | 卢永英 | Device for switching |
| CN102751140B (en) * | 2012-07-05 | 2014-12-10 | 同济大学 | Multifunctional switch apparatus with automatic reclosing function |
| CN102751140A (en) * | 2012-07-05 | 2012-10-24 | 同济大学 | Multifunctional switch apparatus with automatic reclosing function |
| CN105632802A (en) * | 2016-03-30 | 2016-06-01 | 上海电科电器科技有限公司 | Auxiliary mechanism of operating mechanism |
| WO2017167090A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Auxiliary means for operating mechanism |
| CN105632802B (en) * | 2016-03-30 | 2018-10-30 | 上海电科电器科技有限公司 | The auxiliary body of operating mechanism |
| CN109473324A (en) * | 2018-10-31 | 2019-03-15 | 厦门安达兴电气集团有限公司 | Nonpolarity low-voltage circuit breaker |
| WO2020087797A1 (en) * | 2018-10-31 | 2020-05-07 | 厦门安达兴电气集团有限公司 | Non-polarized low-voltage circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2472341Y (en) | Integrated controlling and protecting switch device | |
| CA1072164A (en) | Modular integral motor controller | |
| EP2048679B1 (en) | Circuit breaker assembly | |
| JP2743989B2 (en) | Switching device | |
| JP2007504631A (en) | Power switch | |
| CN101923988B (en) | Modular multifunctional electrical appliance | |
| CA2781263A1 (en) | Disconnect switch including fusible switching disconnect modules | |
| CN101114557A (en) | Safety circuit breaker | |
| CN1320579C (en) | Operation mechanism of controlling and protecting electrical equipment on-off | |
| CN201655694U (en) | Contact system with short circuit protection function | |
| CN1298003C (en) | Small circuit breaker | |
| CN201708098U (en) | Modularized multi-functional apparatus | |
| CN1148773C (en) | Device for short-circuit protection | |
| CN1079574C (en) | Power switch with coupled auxilliary switch | |
| CN1045686C (en) | Electrical protection apparatus with circuit breaker and effector | |
| CN2864964Y (en) | Operating mechanism for control and protection switch appliance | |
| CN107634499A (en) | A kind of double protection on-load switch fuse combined electric apparatus and circuit structure | |
| KR20170052367A (en) | Instantaneous Trip Device of Circuit Breaker | |
| CN202905634U (en) | Operation mechanism of control and protective switching device | |
| CN2548249Y (en) | Indoor high-voltage vacuum circuit breaker | |
| CN113889378A (en) | Breaker operating device separating brake interlocking gear | |
| CN201311893Y (en) | Controlling and protecting switch electric apparatus | |
| US11817283B2 (en) | Electrical switching system | |
| CN1308986C (en) | Electromagnetic switch device | |
| CN220691951U (en) | Thermomagnetic molded case circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENZHOU ZHONGKAI ELECTRICAL APPLIANCES CO., LTD. Free format text: FORMER OWNER: SHANGHAI ELECTRIC APPLIANCES SCIENCE INST. Effective date: 20031205 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20031205 Address after: 325604, 9, endeavour Road, Wenzhou, Zhejiang, Liushi Patentee after: Wenzhou Zhongkai Electrical Appliance Co Ltd Address before: 200063 No. 505, Wuning Road, Shanghai Patentee before: Shanghai Electric Appliance Sci. Inst. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |