CN100452273C - Fast motor-driven low-voltage circuit breaker - Google Patents
Fast motor-driven low-voltage circuit breaker Download PDFInfo
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- CN100452273C CN100452273C CNB2007100084632A CN200710008463A CN100452273C CN 100452273 C CN100452273 C CN 100452273C CN B2007100084632 A CNB2007100084632 A CN B2007100084632A CN 200710008463 A CN200710008463 A CN 200710008463A CN 100452273 C CN100452273 C CN 100452273C
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- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
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Abstract
本发明提供一种快速电机驱动型低压断路器，包括电源，运行及故障信号采集与处理系统，电机控制系统，快速驱动电机，无机械操作机构转动式三相触头系统，运行及故障信号采集与处理系统的输出端与电机控制系统的输入端相接，电机控制系统的输出端接到快速驱动电机，快速驱动电机与无机械操作机构转动式三相触头系统的轴同轴相接，电源分别与运行及故障信号采集与处理系统、电机控制系统、快速驱动电机的电源输入端相接，快速驱动电机直接驱动无机械操作机构转动式三相触头系统的触头接通与快速开断电路，提高了断路器的分断能力，减小对电路与负载动热稳定性的要求，具有结构简单、控制准确、性能指标高、可靠性高等特点。
The invention provides a fast motor-driven low-voltage circuit breaker, including a power supply, an operation and fault signal collection and processing system, a motor control system, a fast drive motor, a rotating three-phase contact system without a mechanical operating mechanism, and operation and fault signal collection. The output end of the processing system is connected to the input end of the motor control system, the output end of the motor control system is connected to the fast drive motor, and the fast drive motor is coaxially connected to the shaft of the rotary three-phase contact system without mechanical operating mechanism. The power supply is respectively connected to the operation and fault signal acquisition and processing system, the motor control system, and the power input end of the fast drive motor. The fast drive motor directly drives the contact connection and fast opening of the three-phase contact system without mechanical operating mechanism. Breaking the circuit improves the breaking capacity of the circuit breaker and reduces the requirements for the dynamic and thermal stability of the circuit and load. It has the characteristics of simple structure, accurate control, high performance index, and high reliability.
Description
Technical field:
The present invention relates to a kind of fast electromotor driving low-voltage breaker, present technique belongs to the low voltage electrical apparatus technology field.
Background technology:
So far the argumentation and the low-voltage circuit breaker product of a large amount of relevant low-voltage circuit breakers all have the complicated mechanical operating mechanism, as DW series, CW series universal low-voltage circuit breaker product, CM serial plastic shell type circuit breaker and sliding Yuqin the 2nd phase of " low-voltage electrical apparatus " calendar year 2001 " AUTOCAD the moulded case circuit breaker Analysis of Parameters with design in application " the relevant universal low-voltage circuit breaker of a literary composition or the like, moulded case circuit breaker all adopts the complicated mechanical operating mechanism, therefore, there is mechanism's complexity, reliability is low, disjunction is long operate time, breaking capacity is low, shortcomings such as performance index difference.
Summary of the invention:
The objective of the invention is to provide a kind of fast electromotor driving low-voltage breaker, and this device not only helps the quick connection of three-phase contact system contact and cut-offs circuit, and simple structure, and is reliable, controls the automaticity height.
The object of the present invention is achieved like this: it comprises power supply, operation and fault-signal collection and treatment circuit, circuit for controlling motor, fast driving motor, no mechanical operating mechanism rotary type three-phase switch contacts, it is characterized in that: power supply joins with the power input of operation and fault-signal collection and treatment circuit, circuit for controlling motor, fast driving motor respectively; The operation and the output of fault-signal collection and treatment circuit and the input of circuit for controlling motor join, the output of circuit for controlling motor is connected to the fast driving motor, coaxial the joining of driving shaft of the output shaft of fast driving motor power mechanism and no mechanical operating mechanism rotary type three-phase switch contacts, the contact that drives no mechanical operating mechanism rotary type three-phase switch contacts is connected fast and is cut-off.
When operation and fault-signal collection and treatment circuit collects switching signal after output offers circuit for controlling motor with control signal, electric machine control system drives the fast driving motor immediately, the contact of the nothing machinery operating mechanism rotary type three-phase switch contacts that the fast driving driven by motor is coaxial is connected circuit, when operation and fault-signal collection and treatment circuit collect normal disjunction or fault-signal after output offers circuit for controlling motor with control signal, circuit for controlling motor drives the fast driving motor immediately, the contact of the nothing machinery operating mechanism rotary type three-phase switch contacts that the fast driving driven by motor is coaxial cut-offs circuit
The present invention connects and the quick-speed turning on-off circuit by the contact that the fast driving motor direct-drive does not have mechanical operating mechanism rotary type three-phase switch contacts, not only improved the breaking capacity of circuit breaker, improved the circuit breaker reliability of operation, reduce requirement to circuit and load dynamic thermal stability, and, also have characteristics such as simple in structure, precise control, performance index height, reliability height because fast electromotor driving low-voltage breaker does not have the complicated mechanical operating mechanism.
Description of drawings:
Fig. 1 is a structural representation block diagram of the present invention.
Fig. 2 is a no mechanical operating mechanism rotary type three-phase switch contacts structural representation of the present invention.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is embodiments of the invention one structural representations.
Fig. 5 is embodiments of the invention two structural representations.
Fig. 6 is embodiments of the invention three structural representations.
Embodiment:
With reference to Fig. 1, fast electromotor driving low-voltage breaker of the present invention, comprise power supply Y, operation and fault-signal collection and treatment circuit X, circuit for controlling motor K, fast driving motor D, no mechanical operating mechanism rotary type three-phase switch contacts B, it is characterized in that: power supply Y joins with the power input of operation and fault-signal collection and treatment circuit X, circuit for controlling motor K, fast driving motor D respectively; Operation and the output of fault-signal collection and treatment circuit X and the input of circuit for controlling motor K join, the output of circuit for controlling motor K is connected to the fast driving motor D, coaxial the joining of driving shaft of the output shaft of fast driving motor D actuating unit and no mechanical operating mechanism rotary type three-phase switch contacts B, the contact that drives no mechanical operating mechanism rotary type three-phase switch contacts is connected fast and is cut-off.
No mechanical operating mechanism rotary type three-phase switch contacts structure of the present invention is shown in Fig. 2,3, soft connection E and acting arm F join, moving contact G is installed on the acting arm F, fixed contact J is installed on the quiet leading-out terminal L, arc quenching system H covers moving contact G and fixed contact J, axle M and acting arm F mechanical connection and insulation.
The construction features of embodiments of the invention one are (structure as shown in Figure 3), and described circuit for controlling motor K is AC Servo Motor Control circuit K1, and described fast driving motor D is AC servo motor D1.
The construction features of embodiments of the invention two are (structure as shown in Figure 4), and described circuit for controlling motor K is a DC servo
Circuit for controlling motor K2, described fast driving motor D is DC servo motor D2.
The construction features of enforcement three of the present invention are (structure as shown in Figure 5), and described circuit for controlling motor K is stepping motor control circuit K3, and described fast driving motor D is stepping motor D3.
Claims (4)
1. fast electromotor driving low-voltage breaker, comprise power supply (Y), operation and fault-signal collection and treatment circuit (X), circuit for controlling motor (K), fast driving motor (D), no mechanical operating mechanism rotary type three-phase switch contacts (B), it is characterized in that: power supply (Y) joins with the power input of operation and fault-signal collection and treatment circuit (X), circuit for controlling motor (K), fast driving motor (D) respectively; The operation and the output of fault-signal collection and treatment circuit (X) and the input of circuit for controlling motor (K) join, the output of circuit for controlling motor (K) is connected to fast driving motor (D), the output shaft of fast driving motor (D) actuating unit and coaxial the joining of driving shaft of no mechanical operating mechanism rotary type three-phase switch contacts (B).
2. fast electromotor driving low-voltage breaker according to claim 1 is characterized by: described circuit for controlling motor (K) is AC Servo Motor Control circuit (K1), and described fast driving motor (D) is AC servo motor (D1).
3, fast electromotor driving low-voltage breaker according to claim 1 is characterized by: described circuit for controlling motor (K) is DC servo motor control circuit (K2), and described fast driving motor (D) is DC servo motor (D2).
4, fast electromotor driving low-voltage breaker according to claim 1 is characterized by: described circuit for controlling motor (K) is stepping motor control circuit (K3), and described fast driving motor (D) is stepping motor (D3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100084632A CN100452273C (en) | 2007-01-19 | 2007-01-19 | Fast motor-driven low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100084632A CN100452273C (en) | 2007-01-19 | 2007-01-19 | Fast motor-driven low-voltage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101034644A CN101034644A (en) | 2007-09-12 |
| CN100452273C true CN100452273C (en) | 2009-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100084632A Expired - Fee Related CN100452273C (en) | 2007-01-19 | 2007-01-19 | Fast motor-driven low-voltage circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN100452273C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503363A (en) * | 2014-12-31 | 2015-04-08 | 中达电通股份有限公司 | Switch control system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144235A (en) * | 1998-08-31 | 2000-11-07 | Square D Company | Control circuit for a motor-operated switch |
| CN1416585A (en) * | 2000-03-23 | 2003-05-07 | Abb股份公司 | Electric circuit breaker, as well as plant, use and method where such is used |
| CN1129926C (en) * | 1997-10-08 | 2003-12-03 | 西门子公司 | Remote drives for circuit breakers with electric motors |
| CN1567504A (en) * | 2003-07-06 | 2005-01-19 | 王文杰 | An operating mechanism of circuit breaker |
| WO2006052410A1 (en) * | 2004-11-04 | 2006-05-18 | Utc Power Corporation | Quality power from induction generator feeding variable speed motors |
-
2007
- 2007-01-19 CN CNB2007100084632A patent/CN100452273C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129926C (en) * | 1997-10-08 | 2003-12-03 | 西门子公司 | Remote drives for circuit breakers with electric motors |
| US6144235A (en) * | 1998-08-31 | 2000-11-07 | Square D Company | Control circuit for a motor-operated switch |
| CN1416585A (en) * | 2000-03-23 | 2003-05-07 | Abb股份公司 | Electric circuit breaker, as well as plant, use and method where such is used |
| CN1567504A (en) * | 2003-07-06 | 2005-01-19 | 王文杰 | An operating mechanism of circuit breaker |
| WO2006052410A1 (en) * | 2004-11-04 | 2006-05-18 | Utc Power Corporation | Quality power from induction generator feeding variable speed motors |
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| Publication number | Publication date |
|---|---|
| CN101034644A (en) | 2007-09-12 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: FUJIAN SENDA ELECTRIC EQUIPMENT CO., LTD. Assignor: Fuzhou University Contract fulfillment period: 2009.2.13 to 2019.2.12 Contract record no.: 2009350000005 Denomination of invention: Fast electromotor driving low-voltage breaker Granted publication date: 20090114 License type: Exclusive license Record date: 2009.2.16 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.13 TO 2019.2.12; CHANGE OF CONTRACT Name of requester: FUJIAN SENGDA ELECTRIC APPLICANCE CO., LTD. Effective date: 20090216 |
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| EM01 | Change of recordation of patent licensing contract |
Change date: 20140814 Contract record no.: 2009350000005 The licensee after: FUJIAN SENDA ELECTRIC CO., LTD. The licensee before: FUJIAN SENDA ELECTRIC EQUIPMENT CO., LTD. |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20190119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |