CN201138726Y - Electric appliance interlocking apparatus for multiple drawer type circuit breaker - Google Patents
Electric appliance interlocking apparatus for multiple drawer type circuit breaker Download PDFInfo
- Publication number
- CN201138726Y CN201138726Y CNU2007200991230U CN200720099123U CN201138726Y CN 201138726 Y CN201138726 Y CN 201138726Y CN U2007200991230 U CNU2007200991230 U CN U2007200991230U CN 200720099123 U CN200720099123 U CN 200720099123U CN 201138726 Y CN201138726 Y CN 201138726Y
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- circuit breaker
- travel switch
- normally opened
- opened contact
- breaker
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Abstract
The utility model discloses an electric interlocking device of a plurality of drawer circuit breakers. Each drawer circuit breaker comprises a drawer base and a circuit breaker body, wherein, the posterior and the bottom of the drawer base and the internal part of one side plate are provided with a plurality of travel switches, the output ends of the normal open contacts of the separation position travel switches on the drawer base of each drawer circuit breaker are connected with the input ends of the switching knobs of other controlled drawer circuit breakers, and a display lamp is connected between the output end of the normal open contact of the separation position travel switch and a zero line, the travel switch at the connection position of the drawer base of each drawer circuit breaker is connected in parallel with the two ends of the switching knob of the next controlled drawer circuit breaker and is connected with a separation release coil, and the output end of the travel switch at the connection position is connected with the connection end of the zero line by the display lamp. The electric interlocking device of the utility model only needs to adopt simple operation and then an interlock control function when a plurality of drawer circuit breakers are in running and in maintenance can be realized, furthermore, remote distance monitoring can be carried out, thus improving the safety and the reliability of the circuit breaker.
Description
Technical field
The utility model relates to a kind of circuit breaker, relates in particular to a kind of electric interlocking installation of many withdrawable circuit breakers.
Background technology
Current, in the low-voltage distribution market, the low pressure master that low-voltage circuit breaker generally is installed in transformer station and switchgear house advance in the cabinet as connect, the mains switch of disjunction main circuit uses.Be used for control and protection low voltage power distribution network.
At present, the circuit breaker that is adopted on the market generally is divided into fixed and drawer type.Normally used withdrawable circuit breaker is made up of fixed circuit breaker and drawout chassis two parts.Drawout chassis is made up of the left side plate of band guide rail, the base that is provided with propulsive mechanism and back critical piece such as plate, and fixed breaker body is packed into constitutes withdrawable circuit breaker in the drawout chassis that is provided with propulsive mechanism.Make on the base of breaker body in drawout chassis outwards mobile inwards by the handle that shakes on the propulsive mechanism.Breaker body mainly is made up of parts such as contact system, arc quenching system, operating mechanism, secondary connector, shunt release and making electromagnets.
Withdrawable circuit breaker is set with three positions: 1, link position 2, test position 3, separation point position, handle on shaking propulsive mechanism makes contact on the breaker body when contact on the main circuit is connected, withdrawable circuit breaker is in link position, and main circuit and auxiliary circuit all are switched on.When shaking handle on the propulsive mechanism contact and the contact on the main circuit on the breaker body are disconnected, when auxiliary circuit still connected, withdrawable circuit breaker was in test position.At this moment, can carry out the necessary operation test.When shaking handle on the propulsive mechanism contact and the contact on the main circuit on the breaker body are disconnected, when auxiliary circuit also was in off-state, withdrawable circuit breaker was in the separation point position.At this moment, burst disk closure.
Usually,, in the circuit that uses a circuit breaker, be equipped with two circuit breakers in order to guarantee the circuit operate as normal, a use, one is standby.In the circuit that uses two circuit breakers, be equipped with three circuit breakers, two uses, one is standby.For safe power supply, be by mechanical interlocking when many circuit breakers move and safeguard, circuit breaker is carried out brake-dividing locking.The brake-dividing locking device of withdrawable circuit breaker is installed in the breaker body front.The cut-off push button of withdrawable circuit breaker is locked in depressed position goes up, at this moment, withdrawable circuit breaker can not carry out closed procedure.After the user installation, a withdrawable circuit breaker is joined independently lock ﹠ key, two withdrawable circuit breakers is installed is joined two identical locks and a key, install three withdrawable circuit breakers can only be equipped with three identical locks with two identical key.Just so-called dependence " three locks, two keys " realizes having simultaneously the safe operation simultaneously of two circuit breakers, and a circuit breaker is as standby.In order to guarantee transformer station and switchgear house safety operate as normal, when carrying out current check operation of power networks situation and safeguarding, need by the normal operation of manually controlling safety operation and electrical network with lock ﹠ key, this mode need the staff often unblank to shut more loaded down with trivial details, in case key loss or polygamy key also can be brought potential safety hazard.Be unfavorable for normal operation of circuit breaker and maintenance, and can not carry out remote monitor, bring inconvenience to the user.
The utility model content
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of improved withdrawable circuit breaker, it can carry out electrical interlock control to many circuit breakers simultaneously, and can carry out remote monitor to withdrawable circuit breaker operation and maintenance.Simultaneously, making the residing position of withdrawable circuit breaker carry out electricity shows.
The purpose of this utility model realizes by following technical scheme, the utility model by the following technical solutions:
A kind of electric interlocking installation of many withdrawable circuit breakers, every comprises drawout chassis and breaker body, make breaker body be in the travel switch that is provided with several link positions on the cover plate of link position at the drawout chassis rear portion, the normally opened contact of the travel switch of link position is connected with the binding post that is located at drawout chassis side plate outside by lead, and the input of the normally opened contact of the travel switch of link position is connected with power line; Drawout chassis bottom make breaker body be in the separation point position base plate on be provided with the travel switch of several separation point positions, the normally opened contact of the travel switch of separation point position by lead be located at drawout chassis side plate upper connecting terminal and be connected, the travel switch normally opened contact input of separation point position is connected with the power line terminals; The side plate inside of drawout chassis make breaker body be in test position and with the corresponding position of guide pillar that is located on the breaker body on the sensitive switch of several test positions is installed, the normally opened contact of sensitive switch is connected with binding post on being located at this side plate by lead, the sensitive switch normally opened contact input of several test positions is connected with the power line terminals, and output is connected with the zero line terminals by the test position display lamp;
The normally opened contact output of the separation point position travel switch on each withdrawable circuit breaker drawout chassis links to each other with the input of the switch knob of other Be Controlled withdrawable circuit breaker, the separation point position travel switch is connected with the switch knob loop of Be Controlled circuit breaker, and between the output of separation point position travel switch normally opened contact and zero line, be connected a display lamp, through above-mentioned connection, make controlled circuit breaker form the loop of controlling by the separation point position travel switch, by the closure and the disconnection of each withdrawable circuit breaker separation point position travel switch normally opened contact, control the loop connecting and disconnecting of the switch knob of other Be Controlled withdrawable circuit breaker;
The travel switch of the link position on each withdrawable circuit breaker drawout chassis be connected in parallel on next Be Controlled withdrawable circuit breaker opening button two ends, and be connected with the shunt release coil, the travel switch of link position is connected with the opening button loop of controlled circuit breaker, connect through above-mentioned circulation successively, make controlled circuit breaker form the loop of controlling by the travel switch of link position, by the closure and the disconnection of each withdrawable circuit breaker link position travel switch normally opened contact, control the loop connecting and disconnecting of the opening button of an other Be Controlled withdrawable circuit breaker; The travel switch output of link position is connected with the zero line terminals by display lamp.
After being fixed on the L-square, the travel switch of described link position is fixed on the back of drawout chassis cover plate by screw-nut.
The beneficial effect of the electric interlocking installation of the utility model withdrawable circuit breaker, the utility model is owing to adopt technique scheme, only need to adopt simple operations just can realize many withdrawable circuit breakers operations and the interlocked control function when safeguarding, and can carry out remote monitor the operation and the maintenance of withdrawable circuit breaker.Simultaneously, make the residing position of withdrawable circuit breaker carry out electricity and show, avoided, improved the fail safe and the reliability of circuit breaker operation by manually controlling the potential safety hazard of being with lock ﹠ key.
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.
Description of drawings:
Fig. 1 is the structural representation of the utility model breaker body in drawout chassis the time.
Fig. 2 is the structural representation of the utility model circuit breaker drawer base.
Fig. 3 is the partial enlarged drawing of 2A among the utility model Fig. 2.
Fig. 4 is the partial enlarged drawing of 2B and 2C among the utility model Fig. 2.
Fig. 5 is the partial enlarged drawing of 2D among the utility model Fig. 2.
Fig. 6 is the utility model separation point position control circuit schematic diagram.
Fig. 7 is the utility model test position control circuit schematic diagram.
Fig. 8 is the utility model link position control circuit schematic diagram.
Major label description in figure:
1 breaker body, 2 drawout chassis, 4 leads, 6 L-squares, 5 cover plates, 7 screws, 8 left plates, 9 guide pillars, 10 tapping screws, 11 rubber protect mouth, 12 binding posts, 13 right plates, 14 slide plates, 15 base plates, the S5 travel switch, the S6 travel switch, the S3 sensitive switch, the S4 sensitive switch, the S1 travel switch, the S2 travel switch, the D1 display lamp, the D2 display lamp, the D3 display lamp, the D4 display lamp, the D5 display lamp, the D6 display lamp, the 1SB2 switch knob, the 2SB2 switch knob, the 3SB2 switch knob.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3 makes breaker body 1 be in the travel switch that several link positions are installed on the appropriate location of cover plate of link position at the utility model drawout chassis 2 rear portions, and the normally-open normally-close contact can be provided.Present embodiment is the example explanation so that two link position travel switch S5 and S6 to be installed.The concrete connection: screw and nut with 2 M 3.5 * 30 are tightened in two link position travel switch S5 and S6 on the special-purpose L-square 6, L-square 6 outside plastic-blastings, the plastic-blasting solid colour of color and drawout chassis 2, cover plate 5 rear sides that the screw and the nut of 3 M3.5 * 30 of L-square 6 usefulness is fixed in drawout chassis 2 then.As shown in Figure 3, cause on the binding post of the side plate outside that is located at drawout chassis 2 after putting on the wire bushing pipe after the normally opened contact of two link position travel switch S5 and S6 is connected with lead 4, present embodiment is that binding post is located at right plate 13 outsides.The travel switch S5 of two link positions and the normally opened contact input of S6 are connected with power supply L terminals.When shaking handle and make breaker body 1 position be in " connection " position, the base plate end face of breaker body 1 part contacts with two travel switch S5 and S6, cause two groups of normally opened contact closures, thereby satisfy breaker body position electricity Presentation Function and many conditions that the electric interlock of circuit breaker is realized.
As Fig. 1, Fig. 2, shown in Figure 4, make breaker body 1 be in the sensitive switch that several test positions are installed on the appropriate location of test position in the wherein side plate inside of the utility model drawout chassis 2.Normally-open normally-close transfer contact can be provided.Present embodiment is the example explanation so that two sensitive switch S3 and S4 to be installed, the concrete connection: with the screw of 2 M2.5 * 20 and nut two sensitive switch S3 and S4 are fixed on the appropriate location of left plate 8 inside of drawout chassis 2, corresponding with the position that two sensitive switch S3 and S4 install, guide pillar 9 usefulness tapping screws 10 are tightened in the left-external side of breaker body 1, and the material of guide pillar 9 is the epoxy resin rod.Pass the hole of being with rubber to protect mouth 11 after two groups of normally opened contacts of sensitive switch S3 and S4 are connected with lead 4a and cause on the binding post of the wherein side plate outside that is located at drawout chassis 2, present embodiment is that binding post 12 is located at left plate 8 outsides.The sensitive switch S3 of two test positions and the normally opened contact input of S4 are connected with power supply L terminals, and output is by test display lamp be connected with the zero line terminals (as shown in Figure 7).Sensitive switch S3 and S4 become with the position design of guide pillar 9 when being in " test " position at body, guide pillar 9 just contacts with roller on sensitive switch S3 and the S4 pressing plate, cause two sensitive switch actions and closed, satisfy the requirement of the electric Presentation Function of breaker body position.
As Fig. 1, Fig. 2 and Fig. 5 show, at right-hand vertical plane in bottom base panel 1 middle part of the utility model drawout chassis 2 breaker body 1 is on the appropriate location of separation point position several separation point position travel switches are installed.Present embodiment describes so that two travel switch S1 and S2 to be installed.The concrete connection: screw and nut with 2 M3.5 * 30 are fixed on right-hand vertical plane in drawout chassis 2 bottom base panel 15 middle parts, and two groups of normally opened contacts of two travel switches pass the hole that rubber protects mouthful 11a is housed after connecting with lead 4b.Again with the right plate 13 that passes drawout chassis 2 after on the wire bushing pipe box cause be located at right plate 13 binding post on.The travel switch S1 of two separation point positions and the normally opened contact input of S2 are connected with power supply L terminals.When shaking handle, when making breaker body be in " separation " position, the slide plate 14 of drawout chassis 2 bottoms just contacts with two travel switches, causes two groups of normally opened contact closures, thereby satisfies the electricity Presentation Function requirement of breaker body position and many conditions that the electric interlock of circuit breaker is realized.
According to the circuit installation requirement, in order to guarantee the normal power supply of circuit, generally in the circuit that is using two circuit breakers, three circuit breakers are installed, two circuit breaker work of total maintenance on the circuit, circuit breaker is standby or safeguard, does not allow three circuit breakers to put into operation simultaneously.
As shown in Figure 6, be the utility model separation point position control circuit schematic diagram, present embodiment is the example explanation so that three circuit breakers to be installed.The normally opened contact input 1 of the travel switch 1S1 of a separation point position of first circuit breaker ' be connected with power line L, output 2 ' link to each other with the input of second breaker closing button 2SB2, the normally opened contact input 3 of the travel switch 1S2 of another separation point position of first circuit breaker ' be connected with power line L, output 4 ' link to each other with the input of the 3rd breaker closing button 3SB2, simultaneously, output 4 ' with zero line N between be connected a display lamp D1.When first circuit breaker is in " separation " position, the travel switch 1S1 of first circuit breaker and the contact 1 of 1S2 ' and 2 ', 3 ' and 4 ' simultaneously closures, the closing circuit of second circuit breaker and the 3rd circuit breaker is connected, press switch knob 2SB2 and 3SB2 respectively, with making electromagnet coil X2, the X3 connection of circuit separately, can close a floodgate.Simultaneously, first breaker body position is " separation " display lamp D1 is bright.
In like manner, the normally opened contact input 5 of the travel switch 2S1 of a separation point position of second circuit breaker ' be connected with power line L, output 6 ' link to each other with the input of first breaker closing button 1SB2, the normally opened contact input 7 of the travel switch 2S2 of another separation point position of second circuit breaker ' be connected with power line L, output 8 ' link to each other with the input of the 3rd breaker closing button 3SB2, output 8 ' with zero line N between be connected between a display lamp D2.When second circuit breaker is in " separation " position, the travel switch 2S1 of second circuit breaker and the contact 5 of 2S2 ' and 6 ', 7 ' and 8 ' simultaneously closures, the closing circuit of first circuit breaker and the 3rd circuit breaker is connected, press switch knob 1SB2 and 3SB2 respectively, with making electromagnet coil X1, the X3 connection of circuit separately, can close a floodgate.The display lamp D2 that while second breaker body position is " separation " is bright.
In like manner, the normally opened contact input 9 of the travel switch 3S1 of a separation point position of the 3rd circuit breaker ' be connected with power line L, output 10 ' link to each other with the input of first breaker closing button 1SB2, the normally opened contact input 11 of the travel switch 3S2 of another separation point position of the 3rd circuit breaker ' be connected with power line L, output 12 ' link to each other with the input of second breaker closing button 2SB2, output 12 ' with zero line N between be connected a display lamp D3.When the 3rd circuit breaker is in " separation " position, the travel switch 3S1 of the 3rd circuit breaker and the contact 9 of 3S2 ' and 10 ', 11 ' and 12 ' simultaneously closures, the closing circuit of first circuit breaker and second circuit breaker is connected, press switch knob 1SB2 and 2SB2 respectively, with making electromagnet coil X1, the X2 connection of circuit separately, can close a floodgate.The display lamp D3 that while the 3rd breaker body position is " separation " is bright.
Connect by above circuit, controlled the circuit that three circuit breakers are installed, circuit breaker is in and safeguards or during standby released state, connected other two breaker closing circuit therein, press switch knob, make other two circuit breakers drop into powered operation simultaneously.The electrical interlock function and the breaker body position electricity Presentation Function of many circuit breakers have been realized.
Link to each other with the input of the switch knob of other Be Controlled circuit breaker by output by separation point position travel switch on each circuit breaker, the separation point position travel switch is connected with the switch knob loop of Be Controlled circuit breaker, and between the travel switch output of separation point position and zero line N, is connected a display lamp.Through above-mentioned connection, make the circuit breaker that to control form the loop of controlling by the separation point position travel switch, by the closure and the disconnection of each withdrawable circuit breaker travel switch normally opened contact, control the connection in loop of the switch knob of other Be Controlled withdrawable circuit breaker.The electrical interlock function and the breaker body position electricity Presentation Function of many circuit breakers have so just been realized.
As shown in Figure 8, be the utility model link position control circuit schematic diagram, present embodiment is the example explanation so that three circuit breakers to be installed.When first circuit breaker is in link position, the travel switch 1S5 of link position be connected in parallel on second circuit breaker opening button 2SB1 two ends, the normally opened contact input 13 of the travel switch 1S5 of link position ' be connected with opening button 2SB1 input with power line L, output 14 ' be connected the back with opening button 2SB1 output and be connected the opening button loop of second circuit breaker of connection with shunt release coil F2.The normally opened contact input 15 of the travel switch 1S6 of link position ' be connected with power line L, output 16 ' be connected with zero line N terminals by display lamp D4.
When second circuit breaker is in link position, the travel switch 2S5 of link position be connected in parallel on the 3rd circuit breaker opening button two ends, the normally opened contact input 17 of the travel switch 2S 5 of link position ' be connected with opening button 3SB1 input with power line L, output 18 ' with opening button 3SB1 output is connected the back and is connected with shunt release coil F3, connects the opening button loop of the 3rd circuit breaker.The normally opened contact input 19 of the travel switch 2S6 of link position ' be connected with power line L, output 20 ' be connected with the zero line terminals by display lamp D5.
When the 3rd circuit breaker is in link position, the travel switch 3S5 of link position be connected in parallel on first circuit breaker opening button two ends, the normally opened contact input 21 of the travel switch 3S5 of link position ' be connected with opening button 1SB1 input with power line L, output 22 ' be connected the back with opening button 1SB1 output and be connected the opening button loop of first circuit breaker of connection with shunt release coil F1.The normally opened contact input 23 of the travel switch 3S6 of link position ' be connected with power line L, output 24 ' be connected with the zero line terminals by display lamp D6.
Control by above-mentioned link position control circuit, make the circuit operation safer, the operating personnel's misoperation of making provision against emergencies, a standby circuit breaker also shaken enter " connection " position, (breaker body is not removed " separation " position under the normal condition because adhesion disconnects and the normally opened contact of one group of travel switch is arranged in other two circuit breakers that just moving, the normally opened contact of travel switch should disconnect), make the closing circuit of back-up breaker connect and cause false switching.When the breaker body position is in " connection " position, because the normally opened contact closure of back-up breaker travel switch S5, connected the power supply in the shunt release loop of a circuit breaker of being controlled, after being separated, shunt release again can not close a floodgate, want to close a floodgate again, must shake back-up breaker again and get back to " separation " position, make and to close a floodgate after the closing circuit of that circuit breaker of breaking was connected just now, total assurance has two circuit breakers operations on circuit like this, thereby has realized the electrical interlock function of many circuit breakers.Owing to the normally opened contact closure of travel switch S6, the breaker body position is that the display lamp of " connection " is bright in " connection " position, has also realized circuit breaker body position electricity Presentation Function simultaneously.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1, a kind of electric interlocking installation of many withdrawable circuit breakers, every comprises drawout chassis and breaker body, it is characterized in that: make breaker body be in the travel switch that is provided with several link positions on the cover plate of link position at the drawout chassis rear portion, the normally opened contact of the travel switch of link position is connected with the binding post that is located at drawout chassis side plate outside by lead, and the input of the normally opened contact of the travel switch of link position is connected with power line; Drawout chassis bottom make breaker body be in the separation point position base plate on be provided with the travel switch of several separation point positions, the normally opened contact of the travel switch of separation point position by lead be located at drawout chassis side plate upper connecting terminal and be connected, the travel switch normally opened contact input of separation point position is connected with the power line terminals; The side plate inside of drawout chassis make breaker body be in test position and with the corresponding position of guide pillar that is located on the breaker body on the sensitive switch of several test positions is installed, the normally opened contact of sensitive switch is connected with binding post on being located at this side plate by lead, the sensitive switch normally opened contact input of several test positions is connected with the power line terminals, and output is connected with the zero line terminals by the test position display lamp;
The normally opened contact output of the separation point position travel switch on each withdrawable circuit breaker drawout chassis links to each other with the input of the switch knob of other Be Controlled withdrawable circuit breaker, the separation point position travel switch is connected with the switch knob loop of Be Controlled circuit breaker, and between the output of separation point position travel switch normally opened contact and zero line, be connected a display lamp, through above-mentioned connection, make controlled circuit breaker form the loop of controlling by the separation point position travel switch, by the closure and the disconnection of each withdrawable circuit breaker separation point position travel switch normally opened contact, control the loop connecting and disconnecting of the switch knob of other Be Controlled withdrawable circuit breaker;
The travel switch of the link position on each withdrawable circuit breaker drawout chassis be connected in parallel on next Be Controlled withdrawable circuit breaker opening button two ends, and be connected with the shunt release coil, the travel switch of link position is connected with the opening button loop of controlled circuit breaker, connect through above-mentioned circulation successively, make controlled circuit breaker form the loop of controlling by the travel switch of link position, by the closure and the disconnection of each withdrawable circuit breaker link position travel switch normally opened contact, control the loop connecting and disconnecting of the opening button of an other Be Controlled withdrawable circuit breaker; The travel switch output of link position is connected with the zero line terminals by display lamp.
2, the electric interlocking installation of a kind of many withdrawable circuit breakers according to claim 1 is characterized in that: the back that is fixed on the drawout chassis cover plate after the travel switch of described link position is fixed on the L-square by screw-nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200991230U CN201138726Y (en) | 2007-12-21 | 2007-12-21 | Electric appliance interlocking apparatus for multiple drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200991230U CN201138726Y (en) | 2007-12-21 | 2007-12-21 | Electric appliance interlocking apparatus for multiple drawer type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138726Y true CN201138726Y (en) | 2008-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200991230U Expired - Fee Related CN201138726Y (en) | 2007-12-21 | 2007-12-21 | Electric appliance interlocking apparatus for multiple drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138726Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682999A (en) * | 2013-11-05 | 2014-03-26 | 株洲南车时代电气股份有限公司 | Switch cabinet opening locking state distinguishing system |
| CN103746297A (en) * | 2014-01-10 | 2014-04-23 | 中山市明阳电器有限公司 | Bus grounding handcart and wire inlet and outlet handcart locking loop |
-
2007
- 2007-12-21 CN CNU2007200991230U patent/CN201138726Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682999A (en) * | 2013-11-05 | 2014-03-26 | 株洲南车时代电气股份有限公司 | Switch cabinet opening locking state distinguishing system |
| CN103682999B (en) * | 2013-11-05 | 2016-10-12 | 株洲南车时代电气股份有限公司 | A kind of switch cubicle separating brake blocking compartment system |
| CN103746297A (en) * | 2014-01-10 | 2014-04-23 | 中山市明阳电器有限公司 | Bus grounding handcart and wire inlet and outlet handcart locking loop |
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| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Bo Bo Inventor after: Liu Zhong Inventor after: Liu Xinzhang Inventor before: Jia Hongtu Inventor before: Gao Yuhai Inventor before: Liu Xinzhang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIA HONGTU; GAO YUHAI; LIU XINZHANG TO: CHEN PANBO; LIU ZHONG; LIU XINZHANG |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIA HONGTU; GAO YUHAI; LIU XINZHANG TO: CHEN PANBO; LIU ZHONG; LIU XINZHANG |
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| DD01 | Delivery of document by public notice |
Addressee: Qu Zhichen Document name: Notification that Application Deemed not to be Proposed |
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG FLONG ELECTRICAL CO., LTD. Free format text: FORMER OWNER: QU ZHICHEN Effective date: 20100712 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300402 NO.9, NO.2 ROAD, TONGHONG ROAD, HUOJIAZUI INDUSTRY ZONE, TIEDONG ROAD, BEICHEN DISTRICT, TIANJIN CITY TO: 325604 SULV INDUSTRY DISTRICT, LIUSHI TOWN, YUEQING CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100712 Address after: 325604 Su Lu Industrial Zone, Liushi Town, Yueqing Patentee after: Zhejiang Fulong Electrical Science Co.,Ltd. Address before: 300402, No. two, No. 9, Tong Hong Road, Huo Hu Industrial Zone, East Road, Beichen, Tianjin Patentee before: Qu Zhichen |
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