CN201956260U - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
- Publication number
- CN201956260U CN201956260U CN2010206881861U CN201020688186U CN201956260U CN 201956260 U CN201956260 U CN 201956260U CN 2010206881861 U CN2010206881861 U CN 2010206881861U CN 201020688186 U CN201020688186 U CN 201020688186U CN 201956260 U CN201956260 U CN 201956260U
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- circuit breaker
- vacuum circuit
- breaker
- self
- protection
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Abstract
The utility model relates to the technical field of a vacuum circuit breaker, in particular to a self-diagnosis and self-protection vacuum circuit breaker, which has the functions of remote control, on-line measurement, self diagnosis and self protection. The vacuum circuit breaker comprises a detection device and an electric chassis vehicle, wherein the detection device comprises a circuit breaker body, a mechanical characteristic detection device installed inside the circuit breaker, an on-line temperature measurement device and a current transformer; the mechanical characteristic detection device is installed inside the circuit breaker; and the current transformer is installed inside the circuit breaker body. The vacuum circuit breaker can know the running situation in real time, measure the current of a main bus bar on line, intelligently know, analyze and deal with the variation trend of the current, provide reliable basis for the overhaul and maintenance of power equipment and achieve the self-protection functions such as self diagnosis of fault of the circuit breaker, overload delay protection, shout-circuit protection and the like, so as to decrease the overhaul and maintenance cost, improve the equipment reliability and greatly decrease equipment fault possibility.
Description
Technical field
The utility model relates to the technical field of vacuum circuit-breaker, especially a kind ofly can onlinely detect, the vacuum circuit-breaker of self diagnosis, self-shield.
Background technology
Vacuum circuit-breaker is a most important control device in the electric power system, and its running status has great influence to the reliability of electric power system.
Vacuum circuit-breaker in the past is easy to cause power grid accident and causes great economic loss when breaking down, the maintenance mode of present widely used circuit breaker has periodic inspection, trouble hunting.Periodic inspection lacks specific aim, tends to cause the man power and material to waste greatly, because excessive maintenance also may bring new potential safety hazard, trouble hunting is the fault and the defective of discovering device early simultaneously.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of vacuum circuit-breaker that can the self diagnosis self-shield is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of vacuum circuit-breaker; have full Long-distance Control, on-line measurement, self diagnosis and self-protection function; comprise checkout gear and electric chassis truck, described checkout gear has breaker body, is installed in mechanical property checkout gear, the temperature measurement on-line device in the circuit breaker and is installed in the interior current transformer of breaker body.
Described temperature measurement on-line device is used for temperature detection and selection of temperature signal, comprise insulating sleeve, contact arm and installing sleeve, contact arm is sleeved on the installing sleeve, insulating sleeve is arranged on the periphery of contact arm, respectively have slot on the end face of installing sleeve, slot can be placed suspended power supply, single chip circuit plate and wireless receiving and dispatching template, and the top of contact arm connects the Mume flower contact that signal is gathered.
Described mechanical property checkout gear comprises insulated tension pole and displacement transducer, step pin and adapter sleeve are arranged between insulated tension pole and displacement transducer, the step pin passes insulated tension pole, and by step own and block card clamping insulated tension pole, the other end of step pin is connected with adapter sleeve, and adapter sleeve links into an integrated entity with displacement transducer simultaneously.
Described displacement transducer, be used for the mechanism action characteristic of vacuum circuit-breaker is tested, comprise encapsulating shell and be installed in the interior slide block of encapsulating shell, one end of slide block has and connects outside contiguous block, the other end is connected with elastic brush and conductive plastics chip, described encapsulating shell two medial surfaces are symmetrically arranged with two guide posts, and slide block passes guide post and slides along guide post.
Described electric chassis truck, adopt the kind of drive of bevel gear, comprise the frame-type chassis, the chassis is provided with motor, clutch and screw mandrel, and motor is connected with clutch, and the other end of clutch connects screw mandrel, also be provided with manual priority device, test position switching device shifter and service position switching device shifter on the chassis, described manual priority device has sensitive switch, is installed in the drive link of sensitive switch below, and the other end of drive link is connected with screw mandrel.
The beneficial effects of the utility model are: the utility model can in time be understood operation conditions; grasp and intellectual analysis are handled its variation tendency; for the maintenance and the maintenance of power equipment provides reliable foundation; realize circuit breaker failure self diagnosis self-protection function; can reduce maintenance and maintenance cost; the reliability of raising equipment reduces the possibility of equipment breakdown significantly.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model temperature measurement on-line device.
Fig. 3 is the structural representation of the utility model mechanical property checkout gear.
Fig. 4 is the structural representation of the utility model displacement transducer.
Fig. 5 is the structural representation of the utility model electric chassis truck.
Among the figure: 1. checkout gear, 11. breaker bodies, 12. temperature measurement on-line devices, 121. insulating sleeve, 122. contact arms, 123. installing sleeves, 124. slot, 125. Mume flower contacts, 13. mechanical property checkout gears, 131. insulated tension pole, 132. displacement transducers, 1321. encapsulating shells, 1322. slide block, 13221. contiguous blocks, 1323. brushes, 1324. the conductive plastics chip, 1325. guide posts, 133. step pins, 134. adapter sleeve, 135. block cards, 2. electric chassis truck, 21. chassis frame, 22. motors, 23. clutches, 24. screw mandrel, 25. manual priority devices, 251. sensitive switches, 252. drive link, 26. test position switching device shifters.
Embodiment.
In conjunction with the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of vacuum circuit-breaker as shown in Figure 1; have online detection, self diagnosis and self-protection function; comprise checkout gear 1 and electric chassis truck 2, checkout gear 1 has breaker body 11, be installed in temperature measurement on-line device 12 in the breaker body 11, be arranged on the mechanical property checkout gear 13 in the breaker body 11 and be installed in current transformer on the breaker body.
Temperature measurement on-line device 12 in the vacuum circuit-breaker as shown in Figure 2, be used for temperature detection and selection of temperature signal, comprise insulating sleeve 121, contact arm 122 and installing sleeve 123, contact arm 122 is sleeved on the installing sleeve 123, insulating sleeve 121 is arranged on the periphery of contact arm 122, respectively have slot 124 on the end face of installing sleeve 123, slot 124 can be placed suspended power supply, single chip circuit plate and wireless receiving and dispatching template, the top of contact arm 122 connects the Mume flower contact 125 that signal is gathered, contact arm 122 has six, temperature sensor is attached to a side of close Mume flower contact 5 on the contact arm 2, current transformer is mounted on the contact arm 122, cooperates with overcurrent trip gear on the circuit breaker.
The working power of temperature signal collection part adopts the suspended power supply of being made especially by silicon steel sheet, it is sleeved on the circuit breaker contact arm, and the supplying temperature information acquisition circuit, power taking is convenient safe and reliable again.
Mechanical property checkout gear 13 in the vacuum circuit-breaker as shown in Figure 3, comprise insulated tension pole 131 and displacement transducer 132, step pin 133 passes insulated tension pole 131, and by step own and block card 135 clamping insulated tension poles 131, displacement with restriction divide-shut brake vibration causing step pin 133, the other end at step pin 133 is connected with adapter sleeve 134, and adapter sleeve 134 links into an integrated entity with displacement transducer 132 simultaneously.
Realized the interlock of insulated tension pole 131 by adapter sleeve 134, do not needed other part and a large amount of control and data wires, just vacuum circuit-breaker has been connected with measurement mechanism with slide block of sensor, convenient and practical.
By the connector on the vacuum circuit-breaker is connected with contiguous block 13221, displacement transducer 132 has just been realized the interlock with the external world, displacement transducer 132 total lengths should be less than 50mm, the actual effective travel that requires to measure of vacuum circuit-breaker is 20mm, the precision that requires to measure reaches 0.002mm, its linear precision height, long service life satisfy Testing requirement fully.
Electric chassis truck 2 in the vacuum circuit-breaker as shown in Figure 5, adopt the kind of drive of bevel gear, comprise frame-type chassis 21, chassis 21 is provided with motor 22, clutch 23 and screw mandrel 24, motor 22 is connected with clutch 23, the other end of clutch 23 connects screw mandrel 24, also be provided with on the chassis 21 can hand control manual priority device 25, test position switching device shifter 26 and service position switching device shifter 27, manual priority device 25 has sensitive switch 251, be installed in the drive link 252 of sensitive switch 251 belows, the other end of drive link 252 is connected with screw mandrel 24, manual priority device 25, test position switching device shifter 26 and service position switching device shifter 27 by screw on chassis 21.
The work of motor 22 solenoidoperated cluthes 23, clutch 23 drives screw mandrels 24 and rotates, and just can realize that circuit breaker cart realizes distant place electric operating turnover cabinet under the situation of " unmanned " at the scene, send electric work to finish complete stopping, and has improved operating efficiency.
By the motion of sensitive switch 251 control drive links 252, realize manually control, the Bevel Gear Transmission mode is adopted in manual, electronic any switching, is furnished with special-purpose clutch 23, and when clamping stagnation occurring, clutch 23 is thrown off automatically, motor 22 idle running; Cut off the electric loop of motor 22 by the switching of sensitive switch, to realize the deceleration purpose; Electronic, manually shake when into shaking out, rotate by leading screw 24 and control the exchange that test position switching device shifter 26, service position switching device shifter 27 reach test position and service position, can be because of regulating S8, S9 and losing efficacy; Do not have the zero-bit problem, the optional position can manual, electronic switching.
The last connecting line of current transformer (CT) that is installed on the contact arm of circuit breaker lower part inserts on the intelligent special circuit plate; by intelligent display screen display working condition on the circuit breaker panel; when circuit is short-circuited fault; current transformer provides signal to divide to fall automatically to the overcurrent trip gear, the safety of protection electric power system.So just can save institute and join integrated protection function display system on the cabinet.
Above-mentioned execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection range of the present utility model.
Claims (5)
1. vacuum circuit-breaker; have self diagnosis and self-protection function; it is characterized in that: comprise checkout gear (1) and electric chassis truck (2), described checkout gear (1) has breaker body (11), is installed in the interior temperature measurement on-line device (12) of breaker body (11), is installed in the inboard mechanical property checkout gear (13) of breaker body (11) and is installed in the interior current transformer of breaker body (11).
2. vacuum circuit-breaker according to claim 1, it is characterized in that: described temperature measurement on-line device (12) is used for temperature detection and selection of temperature signal, comprise insulating sleeve (121), contact arm (122) and installing sleeve (123), contact arm (122) is sleeved on the installing sleeve (123), insulating sleeve (121) is arranged on the periphery of contact arm (122), respectively have slot (124) on the end face of installing sleeve (123), slot (124) can be placed suspended power supply, single chip circuit plate and wireless receiving and dispatching template, the top of contact arm (122) connects the Mume flower contact (125) that signal is gathered.
3. vacuum circuit-breaker according to claim 1 is characterized in that: described mechanical property checkout gear (13) comprises insulated tension pole (131), step pin (133), displacement transducer (132) and adapter sleeve (134) and block card (135).Step pin (133) passes insulated tension pole (131), and by step own and block card (135) clamping insulated tension pole (131), the other end at step pin (133) is connected with adapter sleeve (134), and adapter sleeve (134) links into an integrated entity with displacement transducer (132) simultaneously.
4. vacuum circuit-breaker according to claim 3, it is characterized in that: described displacement transducer (132), be used for the mechanism action characteristic of vacuum circuit-breaker is tested, comprise encapsulating shell (1321) and be installed in the interior slide block (1322) of encapsulating shell (1321), one end of slide block (1322) has and connects outside contiguous block (13221), the other end is connected with elastic brush (1323) and conductive plastics chip (1324), described encapsulating shell (1321) two medial surfaces are symmetrically arranged with two guide posts (1325), slide block (1322) passes guide post (1325), and along guide post (1325) linear slide.
5. vacuum circuit-breaker according to claim 1, it is characterized in that: described electric chassis truck (2), adopt the kind of drive of bevel gear, comprise chassis frame (21), chassis frame (21) is provided with motor (22), clutch (23) and screw mandrel (24), motor (22) is connected with clutch (23), the other end of clutch (23) connects screw mandrel (24), also be provided with manual priority device (25) on the chassis frame (21), test position switching device shifter (26) and service position switching device shifter (27), described manual priority device (25) has sensitive switch (251), be installed in the drive link (252) of sensitive switch (251) below, the other end of drive link (252) is connected with screw mandrel (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206881861U CN201956260U (en) | 2010-12-29 | 2010-12-29 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206881861U CN201956260U (en) | 2010-12-29 | 2010-12-29 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201956260U true CN201956260U (en) | 2011-08-31 |
Family
ID=44500364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206881861U Expired - Fee Related CN201956260U (en) | 2010-12-29 | 2010-12-29 | Vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201956260U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034642A (en) * | 2010-12-29 | 2011-04-27 | 常州森源力拓开关有限公司 | Intelligent vacuum circuit breaker |
| CN108172567A (en) * | 2017-12-21 | 2018-06-15 | 刘梦思 | A kind of integrated antenna package block with anti-moment electrical overloads ability |
| WO2022178965A1 (en) * | 2021-02-25 | 2022-09-01 | Jst Power Equipment, Inc. | Medium-voltage switchgear system having single phase breaker control |
| US11735385B2 (en) | 2021-02-25 | 2023-08-22 | Jst Power Equipment, Inc. | Medium-voltage switchgear system having single phase breaker control |
| US12057683B2 (en) | 2022-04-21 | 2024-08-06 | Jst Power Equipment, Inc. | Circuit breaker with single phase control |
-
2010
- 2010-12-29 CN CN2010206881861U patent/CN201956260U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034642A (en) * | 2010-12-29 | 2011-04-27 | 常州森源力拓开关有限公司 | Intelligent vacuum circuit breaker |
| CN108172567A (en) * | 2017-12-21 | 2018-06-15 | 刘梦思 | A kind of integrated antenna package block with anti-moment electrical overloads ability |
| WO2022178965A1 (en) * | 2021-02-25 | 2022-09-01 | Jst Power Equipment, Inc. | Medium-voltage switchgear system having single phase breaker control |
| TWI811966B (en) * | 2021-02-25 | 2023-08-11 | 美商金盤電氣設備股份有限公司 | Medium-voltage switchgear system having single phase breaker control and method of operating the same |
| US11735385B2 (en) | 2021-02-25 | 2023-08-22 | Jst Power Equipment, Inc. | Medium-voltage switchgear system having single phase breaker control |
| US12046431B2 (en) | 2021-02-25 | 2024-07-23 | Jst Power Equipment, Inc. | Medium-voltage switchgear system having single phase breaker control |
| US12057683B2 (en) | 2022-04-21 | 2024-08-06 | Jst Power Equipment, Inc. | Circuit breaker with single phase control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20151229 |
|
| EXPY | Termination of patent right or utility model |