CN2831396Y - Two-element packed pole for high voltage vacuum circuit breaker - Google Patents
Two-element packed pole for high voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN2831396Y CN2831396Y CN 200520085859 CN200520085859U CN2831396Y CN 2831396 Y CN2831396 Y CN 2831396Y CN 200520085859 CN200520085859 CN 200520085859 CN 200520085859 U CN200520085859 U CN 200520085859U CN 2831396 Y CN2831396 Y CN 2831396Y
- Authority
- CN
- China
- Prior art keywords
- connecting terminal
- detecting element
- epoxy resin
- pole
- vacuum interrupter
- 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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a two-element packed pole for a high-voltage vacuum circuit breaker. The utility model comprises a vacuum arc-extinguishing chamber, an upper wiring terminal, a lower wiring terminal and an epoxy resin body, wherein the vacuum arc-extinguishing chamber is composed of an upper metallic body, a ceramic body and a lower metallic body, the static end of the vacuum arc-extinguishing chamber is tightly connected with the upper wiring terminal, and the movable end of the vacuum arc-extinguishing chamber is fixed with the lower wring terminal via a flexible connecting body. A first detecting element and a second detecting element used for detecting the operating state of the circuit breaker are arranged in the pole, and the first detecting element is fixedly sealed on the upper wiring terminal via the epoxy resin body and insulated from the upper wiring terminal. The second detecting element is fixedly sealed on the lower wiring terminal via the epoxy resin body and insulated from the lower wiring terminal. The detecting elements are arranged in the pole via the structure, and thus the disadvantages that the detecting elements are different to install due to the limitation of places and the adverse effect of test results due to external interference signals are avoided.
Description
Technical field
The utility model relates to the High-Voltage Technology field, particularly relates to a kind of binary pole that is used for high-pressure vacuum breaker.
Background technology
Pole is an important component part of high-pressure vacuum breaker, and it comprises a vacuum interrupter, and vacuum interrupter is provided with metallic object, ceramic body, following metallic object from top to bottom successively, and the upper end of vacuum interrupter is made as quiet end, and the bottom is made as the moved end; The top of pole is provided with upper connecting terminal, fastening being connected of quiet end of its upper connecting terminal and vacuum interrupter; The bottom of pole is provided with lower connecting terminal, and the moved end of its lower connecting terminal and vacuum interrupter fixes by the body that is flexible coupling; One insulated tension pole is fixed on the moved end of vacuum interrupter; Vacuum interrupter, upper connecting terminal, lower connecting terminal normally adopt epoxy resin to be enclosed in admittedly together, because the ceramic body of vacuum interrupter and the linear expansion coefficient between the epoxy resin body differ huge, the ceramic body of vacuum interrupter is with after the epoxy resin body directly is close to mutually, under the situation of expanding with heat and contract with cold, the epoxy resin body ftractures easily, so generally between epoxy resin body and vacuum interrupter, also need to be provided with one deck resilient coating, resilient coating so just can be avoided the cracking of epoxy resin body between vacuum interrupter and epoxy resin body.In order to monitor the ANOMALOUS VARIATIONS that occurs when circuit breaker is worked; usually also need the electrical quantity in the circuit is measured; control; the monitoring mode of prior art is to draw at the upper connecting terminal of pole or lower connecting terminal to adorn detecting element on the outside line that connects; utilize the input of detecting element to pole; output is monitored; so that circuit breaker is carried out Based Intelligent Control; but; because existing detecting element all is to be contained in outside the pole; meeting bad installation on the one hand owing to the restriction in place; such as the indoor circuit breaker that is used in the mid-cabinet often this situation will occur, also is subjected to the interference of external signal easily on the other hand and makes testing result incorrect.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of binary pole that is used for high-pressure vacuum breaker is provided, be the detecting element one in elements such as the upper and lower binding post in the circuit (high-tension line), vacuum interrupter and the secondary line (low-voltage circuit) to be reinstated epoxy resin seal admittedly, detecting element is located in the pole, thus the adverse effect of having avoided drawback and external interference signals because of the bad installation and measuring element of the restriction in place to cause to testing result.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of binary pole that is used for high-pressure vacuum breaker, and it comprises vacuum interrupter, upper connecting terminal, lower connecting terminal, epoxy resin body; Vacuum interrupter is made of last metallic object, ceramic body, following metallic object, and the upper end of vacuum interrupter is made as quiet end, and the bottom is made as the moved end; The quiet end of vacuum interrupter is connected with upper connecting terminal is fastening, and the moved end of vacuum interrupter fixes by be flexible coupling body and lower connecting terminal; One insulated tension pole is fixed on the moved end of vacuum interrupter; The epoxy resin body is coated on vacuum interrupter, upper connecting terminal and lower connecting terminal; One resilient coating is located between vacuum interrupter and the epoxy resin body;
Pole also includes first detecting element and second detecting element that is used to detect working state of circuit breaker; First detecting element is enclosed in the upper connecting terminal place admittedly by the epoxy resin body, and insulate mutually with upper connecting terminal; Second detecting element is enclosed in the lower connecting terminal place admittedly by the epoxy resin body, and insulate mutually with lower connecting terminal.
Described first detecting element includes measures induction by current coil, sieve formula coil, voltage sensor; Measurement induction by current coil, sieve formula coil, voltage sensor constitute the first coil bag; The first coil bag is enclosed in the upper connecting terminal place admittedly by the epoxy resin body, and insulate mutually with upper connecting terminal.
Described second detecting element comprises charged demonstration transducer; Charged demonstration transducer constitutes the second coil bag; The second coil bag is enclosed in the lower connecting terminal place admittedly by the epoxy resin body, and insulate mutually with lower connecting terminal.
When making, be to be inserted in the first coil bag at upper connecting terminal, lower connecting terminal is inserted in the second coil bag, fastening being connected of quiet end with the upper connecting terminal and the vacuum interrupter of pole is fixed in the mould together with lower connecting terminal then, seals admittedly with poured with epoxy resin, in die for molding, and carry out the back cured, and then be locked on the moved end of lower connecting terminal and vacuum interrupter with bolt and the connecting screw rod body that will be flexible coupling, at last insulated tension pole is tightened on connecting screw rod.Like this, just be sealed with i.e. first detecting element of the first coil bag together at the upper connecting terminal place, be sealed with i.e. second detecting element of the second coil bag at the lower connecting terminal place together.First detecting element includes measures induction by current coil, sieve formula coil, voltage sensor, wherein, measures the induction by current coil and is used to measure electric current; Sieve formula coil is used to measure protective current; Voltage sensor is used for measuring voltage.Second detecting element comprises charged demonstration transducer, is used to detect the charged situation of pole.
The beneficial effects of the utility model are; owing to adopted in pole, also to be provided with and be used to detect disconnected first detecting element and second detecting element that falls the device operating state; and first detecting element is enclosed in the upper connecting terminal place admittedly by the epoxy resin body; and insulate mutually with upper connecting terminal; second detecting element is enclosed in the lower connecting terminal place admittedly by the epoxy resin body; and insulate mutually with lower connecting terminal; wherein; first detecting element includes measures the induction by current coil; sieve formula coil; voltage sensor; second detecting element comprises charged demonstration transducer; by first detecting element; second detecting element is to last; the detection of lower connecting terminal; can measure electric current; protective current; voltage and charged situation; realization is to the Based Intelligent Control of circuit breaker; this with in the circuit (high-tension line); lower connecting terminal; detecting element one in elements such as vacuum interrupter and the secondary line (low-voltage circuit) is reinstated the mode that epoxy resin seals admittedly, the adverse effect to testing result that can avoid drawback and external interference signals because of the bad installation and measuring element of the restriction in place to cause.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of binary pole that is used for high-pressure vacuum breaker of the present utility model is not limited to embodiment.
Fig. 1 is a structural representation of the present utility model.
Embodiment
Shown in accompanying drawing, a kind of binary pole that is used for high-pressure vacuum breaker of the present utility model, it comprises vacuum interrupter 11, upper connecting terminal 1, lower connecting terminal 10, epoxy resin body 3; Vacuum interrupter 11 is made of last metallic object 111, ceramic body 112, following metallic object 113, promptly is provided with metallic object 111, ceramic body 112, following metallic object 113 from top to bottom successively, and the upper end of vacuum interrupter 11 is made as quiet end, and the bottom is made as the moved end; Upper connecting terminal 1 is by quiet end fastening be connected of bolt 2 with vacuum interrupter 11; Lower connecting terminal 10 fixes by the body 4 that is flexible coupling with the moved end of vacuum interrupter 11; One insulated tension pole 8 is fixed on the moved end of vacuum interrupter 11; Epoxy resin body 3 is coated on vacuum interrupter 11, upper connecting terminal 1 and lower connecting terminal 10; One resilient coating 12 is located between vacuum interrupter 11 and the epoxy resin body 3;
Pole also includes first detecting element 21 and second detecting element 22 that is used to detect working state of circuit breaker; First detecting element 21 is enclosed in upper connecting terminal 1 place admittedly by epoxy resin body 3, and insulate mutually with upper connecting terminal 1; Second detecting element 22 is enclosed in lower connecting terminal 10 places admittedly by epoxy resin body 3, and insulate mutually with lower connecting terminal 10.
Wherein, first detecting element 21 includes and measures induction by current coil, sieve formula coil, voltage sensor; Measurement induction by current coil, sieve formula coil, voltage sensor constitute the first coil bag; The first coil bag is enclosed in upper connecting terminal 1 place admittedly by epoxy resin body 3, and insulate mutually with upper connecting terminal 1.Second detecting element 22 comprises charged demonstration transducer; Charged demonstration transducer constitutes the second coil bag; The second coil bag is enclosed in lower connecting terminal 10 places admittedly by epoxy resin body 3, and insulate mutually with lower connecting terminal 10.
When making, be to be inserted in the first coil bag 21 at upper connecting terminal 1, lower connecting terminal 10 is inserted in the second coil bag 22, with the upper connecting terminal 1 of pole by quiet end fastening be connected of bolt 2 with vacuum interrupter 11; Be fixed in the mould together with lower connecting terminal 10 then, admittedly seal with poured with epoxy resin, in die for molding, and carry out the back cured, form epoxy resin body 3, then be locked on the lower connecting terminal 10, be locked on the moved end of vacuum interrupter 11, at last insulated tension pole 8 is tightened on connecting screw rod 7 with connecting screw rod 7 and by will the be flexible coupling other end of body 4 of pad 5 and pad 6 with bolt 9 body 4 one ends that will be flexible coupling.Like this, just be sealed with i.e. first detecting element of the first coil bag 21 together at upper connecting terminal 1 place, be sealed with i.e. second detecting element of the second coil bag 22 together at lower connecting terminal 10 places, by the first coil bag 21 and the second coil bag 22 from sealing the lead-in wire 23 of drawing in the body admittedly by control unit to circuit breaker, obtain detected parameters by control unit, in real time circuit breaker is carried out Based Intelligent Control.First detecting element 21 includes measures induction by current coil, sieve formula coil, voltage sensor, wherein, measures the induction by current coil and is used to measure electric current; Sieve formula coil is used to measure protective current; Voltage sensor is used for measuring voltage.Second detecting element 22 comprises charged demonstration transducer, is used to detect the charged situation of pole.
The foregoing description only is used for further specifying the binary pole that is used for high-pressure vacuum breaker of the present utility model; but the utility model is not limited to embodiment; technical spirit of the present utility model is to be sealed with in the pole and is used for the detecting element that the electrical quantity of circuit is measured and forms an integral body; detecting element can comprise measures the induction by current coil; sieve formula coil; voltage sensor; charged demonstration transducer; also can be wherein 2 or 3; but adopt 4 complete test amount parameter can be provided; every foundation technical spirit of the present utility model is to any simple modification that above embodiment did (as reducing detecting element wherein); equivalent variations (as the variation of detecting element in the binding post installation site) and modification all fall in the protection range of technical solutions of the utility model.
Claims (3)
1. binary pole that is used for high-pressure vacuum breaker, it comprises vacuum interrupter, upper connecting terminal, lower connecting terminal, epoxy resin body; Vacuum interrupter is made of last metallic object, ceramic body, following metallic object, and the upper end of vacuum interrupter is made as quiet end, and the bottom is made as the moved end; The quiet end of vacuum interrupter is connected with upper connecting terminal is fastening, and the moved end of vacuum interrupter fixes by be flexible coupling body and lower connecting terminal; One insulated tension pole is fixed on the moved end of vacuum interrupter; The epoxy resin body is coated on vacuum interrupter, upper connecting terminal and lower connecting terminal; One resilient coating is located between vacuum interrupter and the epoxy resin body; It is characterized in that:
Pole also includes first detecting element and second detecting element that is used to detect working state of circuit breaker; First detecting element is enclosed in the upper connecting terminal place admittedly by the epoxy resin body, and insulate mutually with upper connecting terminal; Second detecting element is enclosed in the lower connecting terminal place admittedly by the epoxy resin body, and insulate mutually with lower connecting terminal.
2. a kind of binary pole that is used for high-pressure vacuum breaker according to claim 1 is characterized in that: described first detecting element includes measures induction by current coil, sieve formula coil, voltage sensor; Measurement induction by current coil, sieve formula coil, voltage sensor constitute the first coil bag; The first coil bag is enclosed in the upper connecting terminal place admittedly by the epoxy resin body, and insulate mutually with upper connecting terminal.
3. a kind of binary pole that is used for high-pressure vacuum breaker according to claim 1, it is characterized in that: described second detecting element comprises charged demonstration transducer; Charged demonstration transducer constitutes the second coil bag; The second coil bag is enclosed in the lower connecting terminal place admittedly by the epoxy resin body, and insulate mutually with lower connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085859 CN2831396Y (en) | 2005-07-19 | 2005-07-19 | Two-element packed pole for high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085859 CN2831396Y (en) | 2005-07-19 | 2005-07-19 | Two-element packed pole for high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2831396Y true CN2831396Y (en) | 2006-10-25 |
Family
ID=37136323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520085859 Expired - Fee Related CN2831396Y (en) | 2005-07-19 | 2005-07-19 | Two-element packed pole for high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2831396Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000442A (en) * | 2012-11-30 | 2013-03-27 | 北海银河开关设备有限公司 | Solid-sealed polar pole for intelligent vacuum breaker |
| CN106093535A (en) * | 2016-08-10 | 2016-11-09 | 浙江华仪电器科技有限公司 | Pole |
| CN114724885A (en) * | 2021-01-04 | 2022-07-08 | 南京南瑞继保电气有限公司 | Embedded current and voltage sensor and solid-sealed pole and pole-mounted circuit breaker of power taking capacitor |
-
2005
- 2005-07-19 CN CN 200520085859 patent/CN2831396Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000442A (en) * | 2012-11-30 | 2013-03-27 | 北海银河开关设备有限公司 | Solid-sealed polar pole for intelligent vacuum breaker |
| CN106093535A (en) * | 2016-08-10 | 2016-11-09 | 浙江华仪电器科技有限公司 | Pole |
| CN114724885A (en) * | 2021-01-04 | 2022-07-08 | 南京南瑞继保电气有限公司 | Embedded current and voltage sensor and solid-sealed pole and pole-mounted circuit breaker of power taking capacitor |
| CN114724885B (en) * | 2021-01-04 | 2024-03-15 | 南京南瑞继保电气有限公司 | Solid-sealed polar pole with built-in current-voltage sensor and electricity-taking capacitor and circuit breaker on pole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201555933U (en) | On-line monitoring device of intelligent circuit breaker | |
| CN103426620B (en) | Open-close type electronic current transformer | |
| CN2831396Y (en) | Two-element packed pole for high voltage vacuum circuit breaker | |
| CN103293507B (en) | The online test method of current transformer error | |
| CN109061356B (en) | Method and device for detecting running gear of distribution transformer | |
| CN103543321B (en) | A kind of polarization for crosslinked polyethylene midium voltage cable-depolarization current pick-up unit | |
| CN2881660Y (en) | High voltage large current energy-feeding type crystal brake tube valve used by combined test device | |
| CN201146102Y (en) | Electronic type current transformer | |
| CN203630294U (en) | Electrode cup for measuring partial discharge initial voltage of transformer oil | |
| CN109100643B (en) | Intelligent electrical measurement assembly | |
| CN108878208B (en) | Intelligent vacuum circuit breaker | |
| CN2594797Y (en) | Penetrative sensing kilowatt-hour meter | |
| CN201594103U (en) | Sleeve-type high-voltage one-phase sampler | |
| CN203232100U (en) | Auxiliary wiring device for loop resistance test of ring main unit | |
| CN108614200B (en) | Solid dielectric polarization depolarization current measuring device | |
| CN204536427U (en) | A kind of high-tension switch cabinet galvanic circle resistance test system | |
| CN208860897U (en) | A kind of phased breaker fundamental detecting device of high-performance | |
| CN208570451U (en) | Insulating sleeve structure and outdoor pole top switch | |
| CN208937675U (en) | A kind of direct current cables local discharge detection device | |
| CN208336071U (en) | A kind of outdoor high-voltage insulation with high pressure current-taking function | |
| CN215989319U (en) | Direct-connection conductive piece of combined current and voltage transformer | |
| CN205941662U (en) | Full current measurement termination of comparable formula framework type arrester of high -efficient high accuracy | |
| CN110376492A (en) | A kind of insulation tester | |
| CN206387834U (en) | Integrated outdoor high-voltage metering device | |
| CN215770839U (en) | Solid-sealed pole type current and voltage combined transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |