CN201118217Y - High-voltage circuit-breaker cart - Google Patents
High-voltage circuit-breaker cart Download PDFInfo
- Publication number
- CN201118217Y CN201118217Y CNU2007200449711U CN200720044971U CN201118217Y CN 201118217 Y CN201118217 Y CN 201118217Y CN U2007200449711 U CNU2007200449711 U CN U2007200449711U CN 200720044971 U CN200720044971 U CN 200720044971U CN 201118217 Y CN201118217 Y CN 201118217Y
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- CN
- China
- Prior art keywords
- circuit breaker
- breaker
- voltage circuit
- contact
- circuit
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- 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.)
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Abstract
The utility model discloses a novel high-voltage circuit breaker handcart, comprising a circuit breaker arranged on the circuit breaker handcart and operational buttons arranged on the operation panel of the circuit breaker handcart, which is characterized in that the operation panel is provided with a microcomputer comprehensive protection device that is electrically connected with the circuit breaker via a secondary socket; the vacuum bubbles of the circuit breaker is externally provided with a current mutual inductor, and the signal output end of the current mutual inductor is electrically connected with the microcomputer comprehensive protection device; the primary contact of the circuit breaker is provided with an optical fiber sensor, and the signal output end of the optical fiber sensor is electrically connected with the microcomputer comprehensive protection device. With the structure, the handcart has the advantages that: 1. as the primary contact of the circuit breaker is provided with the optical fiber sensor for monitoring the temperature of the primary contact of the circuit breaker in real time, the contact is avoided being overheated to burn out and the reliability of power distribution devices is improved. 2. as the high-voltage circuit breaker handcart adopts the integration technology and the mutual inductor composite technology, no large amount of wiring, wire searching, detection and maintenance is arranged between the circuit breaker handcart and a switch cabinet body, thus facilitating installation and debugging.
Description
Technical field
The utility model relates to high-tension switch cabinet, relates in particular to a kind of novel high-voltage circuit-breaker cart.
Background technology
Along with science and technology development, become one of major technique of electric power system for power distribution automation, at present, it is knockdown supplying the realization means of power distribution automation in 3～3.5KV grade.
As shown in Figure 4; the 3-40.5KV primary cut-out of manufacturer production has only separating brake, combined floodgate and energy-storage function now; want circuit breaker is carried out intellectuality control; need join some relevant intelligent devices again; as computer integrated protection, current transformer be connected copper bar; and various devices are packed on the cabinet relevant position; by manufacturer circuit breaker, comprehensive protector, current transformer, the first-class related elements of grafting are carried out a large amount of secondary connecting lines again, thereby realize the intellectuality of whole power distribution equipment.Shortcomings such as and circuit breaker cart itself does not have intelligent performance, and this has brought a large amount of installment works and interconnected link many just for all power distribution cabinet manufacturers, and line multiple faults rate height, non-ferrous metal consumption are many.
The utility model content
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, provides a kind of novel high-voltage circuit-breaker cart, reaching the intellectuality that realizes whole power distribution equipment by high-voltage circuit-breaker cart, and improves the purpose of power distribution equipment reliability.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of novel high-voltage circuit-breaker cart, comprise the action button that is installed on circuit breaker on the circuit breaker cart, the circuit breaker cart guidance panel, it is characterized in that: described guidance panel is provided with computer integrated protection, and is connected with described circuit breaker electric by Secondary socket;
Described breaker vacuum bulb is provided with current transformer outward, and the signal output part of current transformer is electrically connected with computer integrated protection;
Contact of described circuit breaker is provided with and is used for the thermometric Fibre Optical Sensor of breaker contact point, and the signal output part of Fibre Optical Sensor is electrically connected with computer integrated protection.
With computer integrated protection; current transformer; temperature sensor all is integrated on the circuit breaker cart body; by being enclosed within the outer insulated mutual inductor of vacuum bubbles; obtain the computer integrated protection current signal; the temperature signal of contact of breaker is sent into the liquid crystal flat-panel formula that is contained on the circuit breaker cart guidance panel by Fibre Optical Sensor again; touch; computer integrated protection; thereby realize circuit breaker being carried out four distant (remote regulating to the super overtemperature alarm of handcart one-time contact of circuit breaker and tripping operation and by the computer integrated protection communication interface on the circuit breaker cart; distant news; remote measurement; remote control) function, thus realized the circuit breaker cart intelligent requirements.
Novel high-voltage circuit-breaker cart, described current transformer is sleeved on the middle part of vacuum bubbles outer insulation jacket, and affixed by epoxy resin and insulating sleeve.
Novel high-voltage circuit-breaker cart, the power input of described Fibre Optical Sensor is connected with circuit breaker control power output end.
Novel high-voltage circuit-breaker cart, described Fibre Optical Sensor and circuit breaker are provided with safe distance between a contact.
Novel high-voltage circuit-breaker cart, the model of described current transformer is: LEMZBXL adopts standard IEC 60048-8.GB/T2084-0.8-20007
Novel high-voltage circuit-breaker cart owing to adopt said structure, compared with prior art, has the following advantages; 1, adopted integrated technology and instrument transformer complex technique, all leads all connect in the circuit breaker cart body to be finished, and circuit breaker and aerial lug contact are cancelled substantially, have reduced the copper bar of a large amount of secondary leads and the original external instrument transformer of circuit breaker cart.Reduced complete manufacturer production cost.2, computer integrated protection and detecting element are integrated on the circuit breaker cart, production model can be finished by streamline, at streamline automatic test point is set, and can realize automatic detection, helps control of product quality.3, contact of circuit breaker is provided with and is used for the thermometric Fibre Optical Sensor of breaker contact point, and the real-time temperature on contact of monitoring breaker effectively avoids the contact overheated and burn out, and has improved the reliability of power distribution equipment.4, high-voltage circuit-breaker cart adopts integrated technology and instrument transformer complex technique, and wiring, the line inspection, detection and maintenance that need not be a large amount of between circuit breaker cart and the switch cubicle body be convenient to install and debugging.
Description of drawings
Fig. 1 is a kind of novel high-voltage circuit-breaker cart of the utility model and high-tension switch cabinet syndeton schematic diagram;
Fig. 2 is a novel high-voltage circuit-breaker cart structural representation shown in Figure 1;
Fig. 3 is a novel high-voltage circuit-breaker cart Facad structure schematic diagram shown in Figure 1;
Fig. 4 is prior art high-voltage circuit-breaker cart and high-tension switch cabinet syndeton schematic diagram;
In Fig. 1～Fig. 3,1, circuit breaker cart; 2, circuit breaker; 3, guidance panel; 4, computer integrated protection; 5, Secondary socket; 6, breaker vacuum bulb; 7, current transformer; 8, Fibre Optical Sensor; 9, vacuum bubbles outer insulation jacket; 10, contact of circuit breaker; 11, contact box; 12, fixed contact.
Embodiment
Contrast accompanying drawing below, by description to embodiment, effect and operation principle to the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part are described in further detail, and to help those skilled in the art inventive concept of the present utility model, technical scheme are had more complete, accurate and deep understanding.
As shown in Figure 1 and Figure 2, a kind of novel high-voltage circuit-breaker cart, comprise the action button that is installed on three-phase breaker 2 on the circuit breaker cart 1, the circuit breaker cart guidance panel 3, guidance panel 3 is provided with computer integrated protection 4, and is electrically connected with described circuit breaker 2 by Secondary socket 5; Be provided with current transformer 7 outside the described breaker vacuum bulb 6, the signal output part of current transformer 7 is electrically connected with computer integrated protection 4; Contact 10 of described circuit breaker is provided with and is used for the thermometric Fibre Optical Sensor 8 of breaker contact point, and the signal output part of Fibre Optical Sensor 8 is electrically connected with computer integrated protection 4.The power input of Fibre Optical Sensor 8 is connected with circuit breaker 2 control power output ends.Contact 10 of circuit breaker pushes and installs fixed contact 12 clampings in the ground switch cubicle upper contact head box 11 by circuit breaker cart 1.By the action button on the circuit breaker cart guidance panel, the disjunction of control circuit breaker 2.
The fault point of circuit breaker 2 serves as maximum with a poor contact of contacts, cause the contact overheated and burn out, the variation of monitoring contact temperature is trouble-saving main means in real time, but the high pressure at place, contact can not use many traditional thermometrys, the present invention adopts optical fiber temperature-measurement, and Fibre Optical Sensor 8 and circuit breaker are provided with safe distance between a contact 10.Come reduced temperature by hot spectrum, avoided the electrical link between measured point and the Fibre Optical Sensor 8.Fibre Optical Sensor 8 is measured temperature 0～300 degree, output signal 4～20mA or 1～5V.When the temperature of Fibre Optical Sensor 8 detections surpassed the temperature of setting, computer integrated protection 4 control circuit breakers 2 disconnected, thereby have protected contact 10 of circuit breaker.
In sum, finish, reduced the copper bar of a large amount of secondary leads and the original external instrument transformer of circuit breaker cart owing to having adopted integrated technology and instrument transformer complex technique, all leads all in circuit breaker cart 1 body, to connect.Reduced complete manufacturer production cost.Owing to finished the secondary line in circuit breaker cart 1, owing to adopted integrated technology, circuit breaker and aerial lug contact are cancelled substantially, and the cabinet failure rate reduces greatly.The manufacturer working strength reduces, and every of high-tension switch cabinet has reduced 10 kilograms of lead copper bars, has reduced 2.5mm
280 meters of copper conductors have improved labor productivity, and manufacturer does not need rewiring as long as circuit breaker cart 1 is bought back the original cabinet of packing into, has really realized the circuit breaker cart intelligent requirements, has made things convenient for the user.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection range of the present utility model.
Claims (5)
1, a kind of novel high-voltage circuit-breaker cart, comprise the action button that is installed on the last circuit breaker (2) of circuit breaker cart (1), the circuit breaker cart guidance panel (3), it is characterized in that: described guidance panel (3) is provided with computer integrated protection (4), and is electrically connected with described circuit breaker (2) by Secondary socket (5);
Described breaker vacuum bulb (6) is outer to be provided with current transformer (7), and the signal output part of current transformer (7) is electrically connected with computer integrated protection (4);
A contact of described circuit breaker (10) is provided with and is used for the thermometric Fibre Optical Sensor of breaker contact point (8), and the signal output part of Fibre Optical Sensor (8) is electrically connected with computer integrated protection (4).
2, novel high-voltage circuit-breaker cart according to claim 1 is characterized in that: described current transformer (7) is sleeved on the middle part of vacuum bubbles outer insulation jacket (9), and affixed by epoxy resin and insulating sleeve (9).
3, novel high-voltage circuit-breaker cart according to claim 1 is characterized in that: the power input of described Fibre Optical Sensor (8) is connected with circuit breaker (2) control power output end.
4, according to claim 1 or 3 described novel high-voltage circuit-breaker carts, it is characterized in that: be provided with safe distance between the contact of described Fibre Optical Sensor (8) and circuit breaker (10).
5, novel high-voltage circuit-breaker cart according to claim 1 and 2 is characterized in that: the model of described current transformer (7) is LEMZBXL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200449711U CN201118217Y (en) | 2007-11-21 | 2007-11-21 | High-voltage circuit-breaker cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200449711U CN201118217Y (en) | 2007-11-21 | 2007-11-21 | High-voltage circuit-breaker cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118217Y true CN201118217Y (en) | 2008-09-17 |
Family
ID=39992806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200449711U Expired - Lifetime CN201118217Y (en) | 2007-11-21 | 2007-11-21 | High-voltage circuit-breaker cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118217Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636273A (en) * | 2012-03-25 | 2012-08-15 | 河南省电力公司安阳供电公司 | Switch node temperature monitoring system of distribution room |
| CN114821989A (en) * | 2022-03-23 | 2022-07-29 | 国网山东省电力公司惠民县供电公司 | Locking alarm device for isolation baffle of trolley switch |
-
2007
- 2007-11-21 CN CNU2007200449711U patent/CN201118217Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636273A (en) * | 2012-03-25 | 2012-08-15 | 河南省电力公司安阳供电公司 | Switch node temperature monitoring system of distribution room |
| CN114821989A (en) * | 2022-03-23 | 2022-07-29 | 国网山东省电力公司惠民县供电公司 | Locking alarm device for isolation baffle of trolley switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071121 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |