CN114038706B - Intelligent isolation type quick breaker - Google Patents
Intelligent isolation type quick breaker Download PDFInfo
- Publication number
- CN114038706B CN114038706B CN202111325217.6A CN202111325217A CN114038706B CN 114038706 B CN114038706 B CN 114038706B CN 202111325217 A CN202111325217 A CN 202111325217A CN 114038706 B CN114038706 B CN 114038706B
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- battery
- upper shell
- opening
- vacuum arc
- circuit breaker
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- 238000002955 isolation Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 230000008033 biological extinction Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
The invention discloses an intelligent isolation type quick breaker, which comprises a breaker body, wherein the breaker body comprises an upper shell and a lower shell, a vacuum arc-extinguishing chamber is arranged in the upper shell, and the top of the upper shell extends out of the upper shell to serve as a moving contact of an isolating switch; a current transformer is arranged in a silica gel chamber at the bottom of the vacuum arc-extinguishing chamber; the upper shell is internally provided with an energy taking sensor, the upper end of the energy taking sensor is connected with the movable end of the vacuum arc extinguishing chamber through flexible connection, the side surface of the energy taking sensor is connected with a connecting row, and the connecting row is connected with a trunnion arranged at the outer side of the upper shell to form an isolation breaker; the upper shell is internally connected with an operating mechanism, and a front-section stroke output rod of the operating mechanism is connected with the movable end and the flexible connection of the vacuum arc-extinguishing chamber; and a control box and an opening and closing state indicator are arranged in the lower shell, and the opening and closing state indicator is movably connected with the operating mechanism. The invention can greatly reduce the recovery power supply period after faults, adopts vacuum arc extinction, thereby avoiding hidden danger of fire caused by arc leakage and simultaneously having an automatic function.
Description
Technical Field
The invention belongs to the field of application of outdoor high-voltage distribution equipment, and particularly relates to an intelligent isolated quick circuit breaker.
Background
The distribution network overhead transmission line is a main mode of electric energy transmission, occupies the proportion of the power transmission field of the distribution network, the distribution transformer belongs to a terminal voltage conversion element of the electric energy transmission, and a drop-out fuse is used for protecting a protection switch at the inlet side of the distribution transformer at present, so that the drop-out fuse has the advantages of small volume, simplicity in installation, low cost and the like, and is widely used.
However, the conventional drop-out fuse has the following drawbacks: (1) The fusible conductive material and the gas-generating arc extinguishing medium are adopted, and the burnt falling objects are sprayed out in the process of breaking and extinguishing, so that fire disaster is easily caused if inflammable objects exist; (2) The recovery power supply period is long after the fault, which is unfavorable for improving the power supply quality: the single drop-out fuse can only realize the protection of primary faults, the fuse belongs to the type of consumable products, the fault protection needs to manually find the position of a fault switch once, and the fault switch is replaced on site to restore power, so that the time consumption is long, the working conditions such as phase-failure operation and the like of a transformer can occur frequently in the time period from the fault to the restoration of the power, the lower-end power supply quality cannot be ensured, and the impact on equipment such as the transformer is serious; (3) The system does not have an automatic function and cannot realize automatic management: the traditional fuses are simple mechanical switches, and cannot realize automatic functions such as remote control, automatic reclosing after failure, electric energy quality monitoring, line loss monitoring, failure positioning and the like; (4) complicated operation logic: in order to prevent the on-load switching-on and switching-off, the traditional drop-out fuse is usually matched with a switch at the lower end of a transformer in operation, the lower end of the transformer is usually required to be provided with a switch on-load switching-off switch before the on-load switching-on and switching-off operation, and the switch at the lower end of the transformer is switched on after the drop-out fuse is switched on, so that the situation that the two switches are far apart exists in the actual field is avoided, and the operation is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to: the invention aims to provide an intelligent isolated quick breaker which can extinguish arc in the breaking process, reduce the power supply recovery period after failure, has an automatic function and is simple to operate.
The technical scheme is as follows: the circuit breaker comprises a circuit breaker body, wherein the circuit breaker body comprises an upper shell and a lower shell, a vacuum arc-extinguishing chamber is arranged in the upper shell, the top of the vacuum arc-extinguishing chamber extends out of the upper shell to serve as a moving contact of an isolating switch, an operation ring is sleeved outside an outlet at the top of the vacuum arc-extinguishing chamber, and an upper outgoing line is sleeved above the outlet; a current transformer is arranged in a silica gel chamber at the bottom of the vacuum arc-extinguishing chamber; an energy taking sensor is connected to a mounting column reserved in the upper shell, and the upper end of the energy taking sensor is connected with the movable end of the vacuum arc-extinguishing chamber through flexible connection; the side face of the energy-taking sensor is connected with a connecting row, and the connecting row is connected with a trunnion arranged on the outer side of the upper shell to form an isolation breaker; an operating mechanism is further connected to the mounting column in the upper shell, the operating mechanism is arranged below the energy taking sensor, and a front-section stroke output rod of the operating mechanism is connected with the movable end of the vacuum arc-extinguishing chamber and the flexible connection; and a control box and an opening and closing state indicator are arranged in the lower shell, and the opening and closing state indicator is movably connected with the operating mechanism.
A round shaft and a round plate are arranged above the side of the opening and closing state indicator, wherein the round plate is connected to the bottom surface of the round shaft; one end of the circular shaft is connected with the operating mechanism, and the other end of the circular shaft is movably connected with the opening and closing state indicator through a circular plate.
The upper shell is internally provided with an energy storage capacitor, the energy storage capacitor is connected with a control box, the control box converts electric energy induced by the energy taking sensor and then inputs the electric energy into the energy storage capacitor, and the stored electric energy is used for carrying out related protection actions on the switch.
The surface of the lower shell is provided with an opening and closing operation position indication, a superposition switching state indication, an opening and closing handle and a superposition switching handle, wherein the opening and closing operation position indication is concentrically matched with the opening and closing handle, the superposition switching state indication is concentrically matched with the superposition switching handle, and the superposition switching state indication is concentrically matched with the slotting angle of the operation handle cover; the switching-on and switching-off operation of the switch and the automatic switching-off operation are realized through the switching-on and switching-off handle, and the switching-on and switching-off state can be converted by pulling the reclosing switching-on handle.
The bottom surface of the lower shell is provided with an antenna and an antenna seat, so that wireless communication with external equipment is realized.
The bottom surface of the lower shell is provided with a split-close state observation window; the bottom of the lower shell is provided with a battery compartment, and a clamp spring and an aviation plug are arranged in the battery compartment; after the aerial plug is connected with the female contact pin in the pluggable battery unit, the power can be supplied to the controller, and the jump ring clamps the opposite blocks at the top of the pluggable battery box, so that the battery box is reliably kept in an inserted state.
The pluggable battery unit comprises a battery box cover plate and a battery box, and the battery box cover plate is connected with the battery box through fixing screws.
The battery box cover plate is internally provided with a battery fixing bracket, each battery mounting groove of the battery fixing bracket is internally provided with an electrode spring, and a battery control board is arranged below the battery fixing bracket.
A lithium battery is arranged above the electrode spring; the interior of the battery box cover plate is sealed through a sealing medium.
The beneficial effects are that: compared with the prior art, the invention has the beneficial effects that: (1) The service life of 10000 times can be realized, the line faults can be judged according to the conditions of the acquired line state quantity, intelligent protection is implemented, and the communication device reports the information of the relevant position, fault type and the like aiming at the permanent faults, so that the recovery power supply period after the faults can be greatly reduced; (2) The vacuum arc-extinguishing chamber realizes arc extinction in the opening and closing process, so that the risks of overflowing sparks and the like are avoided, and the risk of fire disaster caused by the traditional drop-out fuse wire is avoided; (3) The device is provided with an automation related function, can be used with an intelligent bracket or a common bracket, and can realize the automatic functions of remote control, automatic reclosing after failure, electric energy quality monitoring, line loss monitoring, failure positioning and the like; (4) The operation logic is simple, the equipment has complete operation protection operation logic, the problem that the traditional drop-out fuse needs to be matched with an upstream switch and a downstream switch is solved, and the loss caused by misoperation can be avoided to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural view of the breaker body of fig. 1;
FIG. 3 is a schematic view of the A-direction of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 2;
FIG. 5 is a front view of the pluggable unit cell of FIG. 1;
FIG. 6 is a cross-sectional view taken along the direction B-B of FIG. 5;
FIG. 7 is a state diagram of the circuit breaker and outdoor intelligent bracket combination of the invention;
fig. 8 is a state diagram of the circuit breaker and the common bracket of the present invention when the circuit breaker is combined.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the detailed description and the attached drawings.
As shown in fig. 1 to 4, the present invention includes a circuit breaker body 1 and a pluggable battery unit 2. The circuit breaker body 1 is divided into a main switch unit, a current sampling unit, an energy taking unit, an energy storage unit and a control protection unit according to functional modules; the main switch unit comprises an upper outgoing line 113, a guide sleeve 11, an operating ring 12, an upper shell 112, a vacuum arc extinguishing chamber 119, a flexible connection 121, an energy taking sensor 122, a connection row 126, a trunnion 111, an operating mechanism 124, a round shaft 127, a round plate 128, an on-off state indication 129 and the like, wherein the upper outgoing line 113, the vacuum arc extinguishing chamber 119, the connection row 126, the energy taking sensor 122, the trunnion 111 realize a current transmission path of a switch and circulation of bearing current. The operating mechanism 124 performs an opening and closing operation by axially reciprocating according to the received command, and a circular shaft 127, a circular plate 128 and an opening and closing state indication 129 connected to the movable iron core of the operating mechanism 124 realize a switch opening and closing operation state display. The current sampling and energy taking unit is composed of a current sensor 120 and an energy taking sensor 122. The current sensor 120 collects the main loop current signal through the electromagnetic induction principle, and the energy-taking sensor 122 induces electric energy through the principles of excitation and the like and inputs the electric energy into the control box 125 for the module to work. The energy storage unit is composed of an energy storage capacitor 123, the energy storage capacitor 123 is communicated with the control box 125 through electrical connection, and the control box 125 converts the energy of the power taking module or the battery and inputs the converted energy into the energy storage unit so as to prepare the switch for relevant protection actions. The control protection unit is composed of a switching handle 15, a superposition switching handle 19, an antenna 16, an operation state indicator 114, a control box 125 and the like, wherein the parts are respectively electrically connected with the current sampling unit, the energy taking unit and the energy storage unit, judging is made on whether the line is faulty or not through collecting state information of the line, an operation instruction is sent out, the related operation state is displayed through the operation state indicator 114, the related information is triggered to be transmitted to a preset address in time, switching on and off operations can be realized through stirring the operation handle 15, and switching on and off of the reclosing state can be realized through stirring the superposition switching handle 19.
As shown in fig. 2 to 4, the circuit breaker body 1 includes an upper case 112 and a lower case 13, and the upper case 112 and the lower case 13 are coupled by end surfaces and fastened by bolts. The vacuum arc-extinguishing chamber 119 is arranged in the upper shell 112, the outer cylindrical surface of the vacuum arc-extinguishing chamber 119 is matched with the inner cylindrical surface of the upper shell 112, and the vacuum arc-extinguishing chamber 119 is in interference fit with the inner cylindrical surface of the upper shell 112 through a silica gel sleeve at the bottom of the vacuum arc-extinguishing chamber 119. The outlet at the top of the vacuum interrupter 119 extends out of the upper housing 112 as a moving contact for the isolator and is sealed by a first O-ring seal 118. An operation ring 12 is sleeved outside the outlet at the top of the vacuum arc-extinguishing chamber 119, and the operation ring 12 can enable the intelligent isolation type quick breaker to be in an isolation state, so that the maintenance safety requirement of lower-end equipment is met. An upper outgoing line 113 is sleeved above the top outlet of the vacuum arc-extinguishing chamber 119, the guide sleeve 11 is axially matched with the upper outgoing line 113, and the guide sleeve is axially fixed through a retainer ring arranged on the upper outgoing line 113. The side of the upper shell 112 is provided with a trunnion 111, the trunnion 111 is connected with the upper shell 112 through screw and cylindrical surface matching, and an O-shaped sealing ring is placed at the connection position. The connecting row 126 is fixedly mounted on the cylindrical end face of the trunnion 111. A current transformer 120 is arranged in the silica gel chamber at the bottom of the vacuum arc extinguishing chamber 119, and is fixed by the elastic contraction of the silica gel chamber. The energy taking sensor 122 is connected to a reserved mounting column in the upper shell 112, and the upper end of the energy taking sensor 122 is connected with the movable end of the vacuum arc extinguishing chamber 119 through a flexible connection 121; specifically, the flexible connection 121 is connected with the vacuum arc extinguishing chamber 119 and the energy taking sensor 122 by bolts. The energy-taking sensor 122 is connected with a connecting row 126 on the side face, and the connecting row 126 is connected with a trunnion 111 arranged on the outer side of the upper shell 112 to form an isolating breaker. The mounting column in the upper shell 112 is also connected with an operating mechanism 124, and the operating mechanism 124 is arranged below the energy taking sensor 122; specifically, the operating mechanism 124 is mounted on a mounting post inside the upper case 112 through its mounting hole, and is fixed by a bolt. The front stroke output rod of the operating mechanism 124 is connected with the movable end of the vacuum interrupter 119 and the flexible connection 121 connected with the movable end of the vacuum interrupter 119. The upper shell 112 is internally provided with an energy storage capacitor 123, and the energy storage capacitor 123 is connected with a mounting column arranged in the upper shell 112 through a mounting hole arranged in the energy storage capacitor 123 through a bolt. The energy storage capacitor 123 is connected to the control box 125, and the control box 125 converts the electric energy induced by the energy-taking sensor 122 and inputs the electric energy to the energy storage capacitor 123.
The lower shell 13 is internally provided with a control box 125, and the control box 125 is fixedly connected with a stud of the lower shell 13 through an end face in a matching way through a self-arranged mounting hole and is locked by a bolt. The opening/closing state indicator 129 is connected with a stud reserved in the lower housing 13 through a mounting hole reserved in the opening/closing state indicator and is fixed by a bolt. The opening and closing state indicator 129 is movably connected with the operating mechanism 124, specifically, a circular shaft 127 and a circular plate 128 are arranged above the side of the opening and closing state indicator 129, wherein the circular plate 128 is connected to the bottom surface of the circular shaft 127; one end of the circular shaft 127 is connected to the operating mechanism 124, and the other end thereof is movably connected to the opening/closing state indicator 129 through a circular plate 128.
The surface of the lower shell 13 is provided with an opening and closing operation position indication 14, a superposition switching state indication 110, an opening and closing handle 15 and a superposition switching handle 19, wherein the opening and closing operation position indication 14 is concentrically matched with the opening and closing handle 15, the superposition switching state indication 110 is concentrically matched with the superposition switching handle 19, and the concentric matching is then matched with a slotting angle of the operation handle cover 18. The split handle 15 and the overlapped throwing and retreating handle 19 are respectively arranged on the flange holes corresponding to the lower shell 13, and the inside of the split handle is connected with a corner switch. The operating handle cover 18 is mounted on the mounting studs reserved for the lower housing 13. The bottom surface of the lower shell 13 is provided with an antenna 16 and an antenna seat 17, and sealing rings are arranged at the joints of the antenna 16, the antenna seat 17 and the lower shell 13. The bottom surface of the lower shell 13 is provided with a split-close state observation window 115, the split-close state observation window 115 is arranged in a rectangular hole reserved in the lower shell 13, and a sealing groove is arranged between the split-close state observation window 115 and the lower shell 13. The bottom of the lower shell 13 is provided with a battery compartment, a clamp spring 116 and an aviation plug 117 are arranged in the battery compartment, and specifically, the clamp spring 116 and the aviation plug 117 are respectively arranged in corresponding hole sites in the battery compartment at the bottom of the lower shell 13 and are provided with sealing grooves.
As shown in fig. 5 to 6, the pluggable battery unit 2 includes a battery case cover 21 and a battery case 23, and the battery case cover 21 and the battery case 23 are connected by fixing screws 22. A battery fixing bracket 26 is arranged in the battery box cover plate 21, an electrode spring 27 is arranged in each battery mounting groove of the battery fixing bracket 26, and a battery control board 28 is arranged below the battery fixing bracket 26. A lithium battery 24 is arranged above the electrode spring 27; the interior of the battery case cover 21 is sealed by a sealing medium 25. The battery fixing bracket 26, the electrode spring 27, the battery control board 28 and the female contact pin 210 are connected in a soldering manner, are connected into a whole and then are connected with the battery box 23 through matching holes formed in the battery fixing bracket and the electrode spring, are connected with self-tapping screws, and are provided with a second O-shaped sealing ring 29; the lithium battery 24 is installed according to the corresponding position of the battery fixing support 26, then is pressed by the battery box cover plate 21, and is connected and locked by self-tapping screws through the matching holes on the side edge of the battery box 23. The circuit breaker body 1 and the pluggable battery unit 2 are matched with the lower shell 13 through a guide groove of the battery box 23 body, are connected with a female pin 210 in a conducting way through an aerial plug 117 after being inserted, and are locked and held with a different block on the battery box 23 through a clamp spring 116. When the pluggable battery unit 2 is connected with the breaker body 1, the aviation plug 117 is connected with the female plug pin 210 to supply power for the battery box 23, so that the communication and remote control functions of the switch in a longer power failure or switching-off state can be realized, and the power supply can be effectively supplemented as an energy taking unit of the switch body.
As shown in fig. 7 and 8, the present invention needs to be used with an intelligent support or a common support in an actual use environment, and functions achieved by different combinations are different.
Claims (8)
1. The utility model provides an intelligent isolation type quick circuit breaker, includes circuit breaker body (1), circuit breaker body (1) include casing (112) and lower casing (13), its characterized in that: a vacuum arc-extinguishing chamber (119) is arranged in the upper shell (112), the top of the vacuum arc-extinguishing chamber (119) extends out of the upper shell (112) to serve as a moving contact of the isolating switch, an operation ring (12) is sleeved outside an outlet at the top of the vacuum arc-extinguishing chamber (119), and an upper outgoing line (113) is sleeved above the outlet;
A current transformer (120) is arranged in a silica gel cavity at the bottom of the vacuum arc extinguishing chamber (119); an energy taking sensor (122) is connected to a mounting column reserved in the upper shell (112), and the upper end of the energy taking sensor (122) is connected with the movable end of the vacuum arc extinguishing chamber (119) through a flexible connection (121); the side face of the energy-taking sensor (122) is connected with a connecting row (126), and the connecting row (126) is connected with a trunnion (111) arranged on the outer side of the upper shell (112) to form an isolating breaker;
An operating mechanism (124) is further connected to the mounting column in the upper shell (112), the operating mechanism (124) is arranged below the energy taking sensor (122), and a front-stage travel output rod of the operating mechanism (124) is connected with the movable end of the vacuum arc extinguishing chamber (119) and the flexible connection (121);
a control box (125) and an opening and closing state indicator (129) are arranged in the lower shell (13), and the opening and closing state indicator (129) is movably connected with an operating mechanism (124);
a circular shaft (127) and a circular plate (128) are arranged above the side of the opening and closing state indicator (129), wherein the circular plate (128) is connected to the bottom surface of the circular shaft (127); one end of the circular shaft (127) is connected with the operating mechanism (124), and the other end of the circular shaft is movably connected with the opening and closing state indicator (129) through a circular plate (128).
2. The intelligent isolated fast circuit breaker according to claim 1, wherein: an energy storage capacitor (123) is arranged in the upper shell (112), the energy storage capacitor (123) is connected with a control box (125), and the control box (125) converts electric energy induced by the energy taking sensor (122) and then inputs the electric energy into the energy storage capacitor (123).
3. The intelligent isolated fast circuit breaker according to claim 1, wherein: the surface of the lower shell (13) is provided with an opening and closing operation position indication (14), a superposition throwing and withdrawing state indication (110), an opening and closing handle (15) and a superposition throwing and withdrawing handle (19), wherein the opening and closing operation position indication (14) is concentrically matched with the opening and closing handle (15), the superposition throwing and withdrawing state indication (110) is concentrically matched with the superposition throwing and withdrawing handle (19), and the opening angle of the operation handle cover (18) is matched after the concentric matching.
4. The intelligent isolated fast circuit breaker according to claim 1, wherein: an antenna (16) and an antenna seat (17) are arranged on the bottom surface of the lower shell (13).
5. The intelligent isolated fast circuit breaker according to claim 1, wherein: the bottom surface of the lower shell (13) is provided with a split-close state observation window (115); the bottom of the lower shell (13) is provided with a battery compartment, and a clamp spring (116) and an aviation plug (117) are arranged in the battery compartment.
6. The intelligent isolated fast circuit breaker according to claim 1, wherein: the battery pack comprises a battery pack cover plate (21) and a battery pack (23), and is characterized by further comprising a pluggable battery unit (2), wherein the pluggable battery unit (2) comprises the battery pack cover plate (21) and the battery pack (23) which are connected through fixing screws (22).
7. The intelligent isolated fast circuit breaker according to claim 6, wherein: a battery fixing support (26) is arranged in the battery box cover plate (21), an electrode spring (27) is arranged in each battery mounting groove of the battery fixing support (26), and a battery control board (28) is arranged below the battery fixing support (26).
8. The intelligent isolated fast circuit breaker of claim 7, wherein: a lithium battery (24) is arranged above the electrode spring (27); the interior of the battery box cover plate (21) is sealed by a sealing medium (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325217.6A CN114038706B (en) | 2021-11-10 | Intelligent isolation type quick breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325217.6A CN114038706B (en) | 2021-11-10 | Intelligent isolation type quick breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114038706A CN114038706A (en) | 2022-02-11 |
| CN114038706B true CN114038706B (en) | 2024-06-11 |
Family
ID=
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2418335C1 (en) * | 2010-04-01 | 2011-05-10 | Общество с ограниченной ответственностью "Научно-производственное общество "Эковакуум" (ООО "НПО "ЭКОВАКУУМ") | Vacuum circuit breaker |
| CN108109885A (en) * | 2017-12-26 | 2018-06-01 | 佳电气有限公司 | For the opening and closing state indicating mechanism of breaker |
| CN208985912U (en) * | 2018-10-24 | 2019-06-14 | 阿斯通(山东)开关有限公司 | Integrated vacuum circuit breaker is isolated in a kind of longitudinal direction up and down |
| CN210984811U (en) * | 2019-12-06 | 2020-07-10 | 余苏青 | Battery box of novel switch |
| CN111463060A (en) * | 2020-04-27 | 2020-07-28 | 深圳智汇电力科技有限公司 | Isolating circuit breaker |
| CN111524760A (en) * | 2020-06-10 | 2020-08-11 | 北京中电安智科技有限公司 | Quick circuit breaker and novel drop-out quick breaker |
| CN112017905A (en) * | 2020-09-28 | 2020-12-01 | 珠海许继电气有限公司 | Quick-acting magnetic control vacuum circuit breaker |
| CN212587596U (en) * | 2019-12-18 | 2021-02-23 | 刘团芳 | High-power battery box |
| CN112713068A (en) * | 2020-12-29 | 2021-04-27 | 北京中电安智科技有限公司 | Novel drop-out quick breaker |
| CN213635834U (en) * | 2020-12-03 | 2021-07-06 | 福建德普乐能源科技有限公司 | Reclosing switching device of high-voltage outdoor pole-mounted circuit breaker and load switch |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2418335C1 (en) * | 2010-04-01 | 2011-05-10 | Общество с ограниченной ответственностью "Научно-производственное общество "Эковакуум" (ООО "НПО "ЭКОВАКУУМ") | Vacuum circuit breaker |
| CN108109885A (en) * | 2017-12-26 | 2018-06-01 | 佳电气有限公司 | For the opening and closing state indicating mechanism of breaker |
| CN208985912U (en) * | 2018-10-24 | 2019-06-14 | 阿斯通(山东)开关有限公司 | Integrated vacuum circuit breaker is isolated in a kind of longitudinal direction up and down |
| CN210984811U (en) * | 2019-12-06 | 2020-07-10 | 余苏青 | Battery box of novel switch |
| CN212587596U (en) * | 2019-12-18 | 2021-02-23 | 刘团芳 | High-power battery box |
| CN111463060A (en) * | 2020-04-27 | 2020-07-28 | 深圳智汇电力科技有限公司 | Isolating circuit breaker |
| CN111524760A (en) * | 2020-06-10 | 2020-08-11 | 北京中电安智科技有限公司 | Quick circuit breaker and novel drop-out quick breaker |
| CN112017905A (en) * | 2020-09-28 | 2020-12-01 | 珠海许继电气有限公司 | Quick-acting magnetic control vacuum circuit breaker |
| CN213635834U (en) * | 2020-12-03 | 2021-07-06 | 福建德普乐能源科技有限公司 | Reclosing switching device of high-voltage outdoor pole-mounted circuit breaker and load switch |
| CN112713068A (en) * | 2020-12-29 | 2021-04-27 | 北京中电安智科技有限公司 | Novel drop-out quick breaker |
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