Wind power generation box becomes fixed mode circuit breaker interlocking device of high pressure and case becomes
阅读说明：本技术 一种风力发电箱变高压固定式断路器连锁装置及箱变 (Wind power generation box becomes fixed mode circuit breaker interlocking device of high pressure and case becomes ) 是由 李荣根 韩福亮 孙宇 王磊 于 2020-06-04 设计创作，主要内容包括：一种风力发电箱变高压固定式断路器连锁装置,包括壳体以及设置在壳体中的合闸连锁机构、分闸连锁机构；合闸连锁机构包括依次连接的驱动板、第一传动部、合闸连锁轴；第一传动部用于驱动驱动板转动；驱动板用于推动合闸连锁轴；合闸连锁轴用于伸出壳体后限制外部开关的操作机构运转；分闸连锁机构包括依次连接的分闸驱动部件、第二传动部、分闸闭锁部件；分闸驱动部件用于驱动第二传动部转动；第二传动部用于驱动分闸闭锁部件转动；分闸闭锁部件用于限制断路器分闸主轴旋转。本发明通过将合闸连锁机构、分闸连锁机构设置在壳体内,实现了整体的模块化。通过合闸连锁机构、分闸连锁机构可以实现断路器与隔离开关或接地开关在分合闸时进行连锁。(A wind power generation box variable-voltage fixed breaker interlocking device comprises a shell, a closing interlocking mechanism and an opening interlocking mechanism, wherein the closing interlocking mechanism and the opening interlocking mechanism are arranged in the shell; the closing interlocking mechanism comprises a driving plate, a first transmission part and a closing interlocking shaft which are sequentially connected; the first transmission part is used for driving the driving plate to rotate; the driving plate is used for pushing the closing linkage shaft; the closing linkage shaft is used for limiting the operation of an operating mechanism of the external switch after extending out of the shell; the brake separating interlocking mechanism comprises a brake separating driving part, a second transmission part and a brake separating locking part which are connected in sequence; the opening driving part is used for driving the second transmission part to rotate; the second transmission part is used for driving the opening locking part to rotate; the opening locking part is used for limiting the rotation of the opening main shaft of the circuit breaker. According to the invention, the switching-on interlocking mechanism and the switching-off interlocking mechanism are arranged in the shell, so that the whole modularization is realized. The interlocking of the circuit breaker and the disconnecting switch or the grounding switch during opening and closing can be realized through the closing interlocking mechanism and the opening interlocking mechanism.)
1. The utility model provides a wind power generation case becomes fixed formula circuit breaker interlocking device of high pressure which characterized in that: the switching-on interlocking mechanism and the switching-off interlocking mechanism are arranged in the shell;
the switching-on interlocking mechanism comprises a driving plate, a first transmission part and a switching-on interlocking shaft which are sequentially connected; the first transmission part is used for connecting a breaker closing main shaft and driving the driving plate to rotate; the driving plate is used for pushing the closing linkage shaft; the switching-on interlocking shaft is used for limiting the operation of an operating mechanism of the external switch after extending out of the shell;
the brake separating interlocking mechanism comprises a brake separating driving part, a second transmission part and a brake separating locking part which are sequentially connected; the opening driving part is used for being connected with an operating mechanism of the external switch and driving the second transmission part to rotate; the second transmission part is used for driving the opening locking part to rotate; the opening locking part is used for limiting the rotation of the opening main shaft of the circuit breaker.
2. The interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation of claim 1, wherein the closing interlocking mechanism further comprises a closing connecting rod, and the closing connecting rod is used for assisting the first transmission part to be connected with a closing main shaft of the circuit breaker.
3. The interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation according to claim 2, wherein a circle of round holes for adjusting the installation angle are uniformly formed in the installation end surface of the closing connecting rod.
4. The interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation of claim 1, wherein the first transmission part, the second transmission part and the closing interlocking shaft are transmission shafts.
5. The interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation according to any one of claims 1 to 4, wherein the closing interlocking mechanism further comprises a closing return spring, and the closing return spring is used for returning the closing interlocking shaft.
6. The interlocking device for the high-voltage fixed circuit breaker of the wind power generation box transformer substation according to claim 1, wherein the opening driving part is of a plate-shaped structure.
7. The interlocking device for the high-voltage fixed circuit breaker of the wind power generation box transformer substation according to claim 1, wherein the opening locking part is of a plate-shaped structure.
8. The wind power generation box transformer high-voltage fixed circuit breaker interlocking device according to claim 1, wherein the opening interlocking mechanism further comprises an opening return spring for returning the second transmission part.
9. The interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation of claim 1, wherein the shell is made of a steel plate.
10. A wind power box transformer substation, characterized by comprising a wind power box transformer substation body and the high-voltage fixed circuit breaker interlocking device of the wind power box transformer substation according to any one of claims 1 to 9 connected with the wind power box transformer substation body.
Technical Field
The invention belongs to the field of high-voltage power distribution, and particularly relates to a high-voltage fixed circuit breaker interlocking device for a wind power generation box transformer substation and the box transformer substation.
Background
With the development of new energy, wind power generation is one of the main components in the field of new energy at present. In the process of wind power generation, a wind power generation box transformer is needed, which is difficult to avoid.
Wind power generation case becomes in the use, needs circuit breaker, isolator and earthing switch that are difficult to avoid cooperate, and the accuracy of power supply had both been guaranteed to the cooperation in-process, the security had again to be guaranteed, therefore wind power generation case becomes and often can need set up linkage between circuit breaker and isolator, earthing switch. However, most of the existing interlocking structures have complex structures, poor reliability and inconvenient installation and adjustment.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a variable-voltage fixed circuit breaker interlocking device for a wind power generation box, which integrally adopts a modular structure and solves the problems of inconvenient installation and adjustment and poor reliability of the interlocking device. The invention further provides a wind power generation box transformer substation.
According to the embodiment of the first aspect of the invention, the interlocking device of the high-voltage fixed circuit breaker of the wind power generation box transformer substation comprises a shell, a closing interlocking mechanism and an opening interlocking mechanism, wherein the closing interlocking mechanism and the opening interlocking mechanism are arranged in the shell; the switching-on interlocking mechanism comprises a driving plate, a first transmission part and a switching-on interlocking shaft which are sequentially connected; the first transmission part is used for connecting a breaker closing main shaft and driving the driving plate to rotate; the driving plate is used for pushing the closing linkage shaft; the switching-on interlocking shaft is used for limiting the operation of an operating mechanism of the external switch after extending out of the shell; the brake separating interlocking mechanism comprises a brake separating driving part, a second transmission part and a brake separating locking part which are sequentially connected; the opening driving part is used for being connected with an operating mechanism of the external switch and driving the second transmission part to rotate; the second transmission part is used for driving the opening locking part to rotate; the opening locking part is used for limiting the rotation of the opening main shaft of the circuit breaker.
The interlocking device for the high-voltage fixed circuit breaker of the wind power generation box transformer substation provided by the embodiment of the invention at least has the following technical effects: through setting closing interlocking gear, separating brake interlocking gear in the casing, realized holistic modularization, subsequent installation, regulation, maintenance have been convenient for. The interlocking mechanism for closing can be used for interlocking with a main closing shaft of the circuit breaker when the isolating switch or the grounding switch is closed. The interlocking with the opening main shaft of the circuit breaker can be realized when the isolating switch or the grounding switch is opened through the opening interlocking mechanism. Compared with the traditional connecting mechanism, the connecting mechanism has the characteristics of high reliability, convenience in adjustment, high production and assembly efficiency, strong applicability and the like.
According to some embodiments of the invention, the closing linkage mechanism further comprises a closing link for assisting the first transmission part to be connected with the closing spindle of the circuit breaker.
According to some embodiments of the invention, the installation end surface of the closing connecting rod is uniformly provided with a circle of round holes for adjusting the installation angle.
According to some embodiments of the invention, the first transmission part, the second transmission part and the closing interlock shaft are all transmission shafts.
According to some embodiments of the invention, the closing interlock further comprises a closing return spring for returning the closing interlock shaft.
According to some embodiments of the invention, the opening driving part is of a plate-like structure.
According to some embodiments of the invention, the opening blocking part is of a plate-like structure.
According to some embodiments of the invention, the opening interlocking mechanism further comprises an opening return spring for returning the second transmission part.
According to some embodiments of the invention, the shell is made of steel plate.
According to the second aspect of the invention, the wind power box transformer substation comprises a wind power box transformer substation body and any one of the wind power box transformer substation high-voltage fixed circuit breaker interlocking devices connected with the wind power box transformer substation body.
The wind power generation box transformer substation provided by the embodiment of the invention at least has the following technical effects: the wind power generation box becomes the body and can realize that circuit breaker and isolator, earthing switch are chain through increasing wind power generation box and becoming fixed circuit breaker interlock, guarantees the security of whole wind power generation box change body and whole distribution system in the course of the work. In addition, because the fixed circuit breaker interlocking device of wind power generation box transformer substation high voltage is a modularized structure, the follow-up installation, replacement and adjustment in the matching use process with the wind power generation box transformer substation body are convenient, and the complex installation and connection process is not required to be carried out like the traditional interlocking structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic top view (with additional circuit breaker portion) of an embodiment of the first aspect of the present invention;
FIG. 2 is a schematic axial side view of an embodiment of the first aspect of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is a schematic front view of an embodiment of the first aspect of the present invention (with the addition of a first mounting plate and a second mounting plate).
Reference numerals:
a
First transmission unit 210, closing link shaft 220,
A second transmission part 310, a brake separating and locking
A breaker closing main shaft 410, a breaker opening main shaft 420 and a bent plate 421.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, fourth, etc. described only for the purpose of distinguishing technical features, they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.
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