CN117117672B

CN117117672B - Intelligent reactive compensation distribution box

Info

Publication number: CN117117672B
Application number: CN202311367962.6A
Authority: CN
Inventors: 林建辉; 贾成友; 邓凯; 徐廷山; 张�成
Original assignee: Fujian Yi Anju Electrical Equipment Co ltd
Current assignee: Fujian Yi Anju Electrical Equipment Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2023-12-22
Anticipated expiration: 2043-10-23
Also published as: CN117117672A

Abstract

The invention relates to the field of power distribution devices, in particular to an intelligent reactive compensation power distribution box, which structurally comprises: the box and install the upper cover at the box top, the box is the main part by main framework, install mobilizable first curb plate and second curb plate in the both sides of main framework, main framework and second curb plate and first curb plate form the cavity and protect control panel and reactive compensation electric capacity, the drive frame is installed at main framework top, the drive frame carries out spacingly to the box that forms after main framework and second curb plate closure, the box after the improvement can be through the expansion of first curb plate and second curb plate to the installation wiring that main framework is inside quick, reduce because the installation wiring that the box is spacing brings, and the opening and shutting of inside panel can make the box switch under the mode of opening the door plant completely, adjust under daily use and maintenance mode, improve convenience and security.

Description

Intelligent reactive compensation distribution box

Technical Field

The invention relates to an intelligent reactive compensation distribution box, and belongs to the field of distribution devices.

Background

The reactive compensation electric cabinet is a combined power electronic device, is mainly used for reactive compensation of a power system, and can realize reactive compensation of a power grid in an intelligent control mode, so that the power factor and the electric energy quality of the power grid are improved.

The reactive compensation electric cabinet is generally composed of the following parts: capacitor bank: in charge of providing the storage capacity of the capacitor, reactive compensation is performed by means of parallel capacitors, the controller: the control circuit is mainly responsible for controlling the operation of the capacitor bank to realize dynamic reactive compensation of the circuit, and the controller can normally receive an external control signal so as to realize automatic control.

In the use of reactive compensation capacitor, too high operating temperature and ambient humidity can influence the actual life of condenser, consequently need regularly clean maintenance to the electric capacity, ordinary block terminal only can observe inside circuit through the mode of opening the chamber door at the in-process of overhauling, and the in-process of observing is difficult to carry out investigation some pencil of buckling and being difficult for looking over at the corner, carries out an optimal design intelligent reactive compensation block terminal to this application.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an intelligent reactive compensation distribution box so as to solve the problems.

In order to achieve the above object, the present invention is realized by the following technical scheme: an intelligent reactive compensation block terminal, its structure includes: the box body comprises a main frame body, a movable first side plate and a movable second side plate are arranged on two sides of the main frame body, the second side plate and the first side plate form a cavity to protect a control plate and a reactive compensation capacitor, a driving frame is arranged on the top of the main frame body, and the driving frame limits the box body formed after the main frame body and the second side plate are closed;

the driving frame is arranged at the top of the main frame body, the driving frame is in sliding connection with a sliding column vertically arranged on the surface of the main frame body, a first supporting frame is further arranged at the top of the main frame body, and an upper cover at the top is supported through the first supporting frame;

the main frame body comprises a back plate, a concave fixing groove is arranged in the middle of the back plate, a driver at the bottom of the fixing groove fixing frame body is used for fixing a third side plate on two sides of the back plate, a movable groove for installing a first side plate and a second side plate is formed at an included angle between the third side plate and the back plate, more than two reinforcing strips are arranged on the inner wall of the back plate, and the reinforcing strips are connected with a control plate and a bottom plate of a reactive compensation capacitor;

the frame body comprises a ring frame, a detection strip is fixed on the inner wall of the ring frame, the ring frame is connected with a sliding rod of the driver through a cross beam in the middle, and the cross beam is also provided with a sliding groove matched with the sliding column;

the driver comprises a driving unit, a main shaft of the driving unit is connected with a movable end of a sliding contactor, a fixed end of the sliding contactor is connected with a shell of the driving unit through a second supporting frame, the sliding contactor is electrically connected with an electromagnetic plate in the middle, the electromagnetic plate is nested in an inner groove of a sliding cavity and matched with the end face of a sliding rod, the sliding cavity is connected with a pressing ring through threads, and a pressing plate for pressing balls is arranged between the sliding cavity and the inner wall of the pressing ring.

Preferably, the first side plate is connected with the movable groove of the main frame body through a movable column, the other end of the movable column is hinged with the door plate, a panel is further installed on the surface of the movable column, and the panel is connected with the control plate through a circuit.

Preferably, the free end of the door panel is buckled with the edge of the second side plate.

Preferably, the detection strip is a pressure sensor, and the outside is covered by a soft rubber strip.

Preferably, the sliding contactor is an annular sliding contactor connected with a control board to control the electromagnetic plate to be powered on or powered off to generate magnetic force to attract the sliding rod.

Preferably, the surface of the sliding rod is provided with symmetrical grooves matched with the balls.

The intelligent reactive compensation distribution box has the following effects: the box after the improvement can be through the expansion of first curb plate and second curb plate to main frame body inside carry out quick installation wiring, reduce because the spacing installation wiring that brings of box is troublesome to the opening and closing of inside panel can make the box switch in the mode of opening completely and only opening the door plant, adjusts under daily use and maintenance mode, improves convenience and security.

And carry out spacingly through establishing the support body to the box, be in the closure state after the link lock, and detect through the measuring strip and avoid opening of non-maintainer to cause danger, and carry out spacingly through the mode that electromagnetic plate and slide bar are inhaled through the magnetism, the slide bar freely slides when the outage, releases spacing convenient maintenance.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of an intelligent reactive compensation distribution box according to the present invention.

Fig. 2 is a schematic view of the structure of the case of the present invention.

Fig. 3 is a schematic structural view of the driving frame of the present invention.

Fig. 4 is a schematic structural view of the frame body of the present invention.

Fig. 5 is a schematic structural view of the main frame of the present invention.

Fig. 6 is a schematic structural view of a first side plate according to the present invention.

Fig. 7 is a schematic diagram of an exploded construction of the actuator of the present invention.

Fig. 8 is a schematic structural view of the driver of the present invention.

In the figure:

1. an upper cover; 2. a protective bin; 3. a case;

21. a drive rack; 22. a first support frame; 23. a spool;

211. a frame body; 212. a driver;

2111. a ring frame; 2112. a test strip; 2113. a cross beam;

2121. a driving unit; 2122. a second support frame; 2123. a sliding contactor; 2124. a sliding cavity; 2125. a slide bar; 2126. a ball; 2127. a pressing plate; 2128. a pressing ring; 2129. an electromagnetic plate;

31. a main frame; 32. a first side plate; 33. a second side plate; 34. reactive compensation capacitance; 35. a control board;

311. a back plate; 312. a fixing groove; 313. a third side plate; 314. reinforcing strips; 315. a movable groove;

321. a movable column; 322. a panel; 323. and (5) a door plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

In the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the use process of the reactive compensation capacitor, the actual service life of the capacitor is influenced by the excessively high running temperature and the environment humidity, so that the capacitor is required to be cleaned and maintained regularly, an ordinary distribution box can only observe an internal circuit by opening a box door in the process of overhauling, and the wire harness which is bent at corners and is not easy to view is difficult to observe in the process of observation, so that the scheme provides the following technical scheme for solving the problems:

referring to fig. 1 to 8, the present invention provides a technical solution for an intelligent reactive compensation distribution box: the structure comprises: the box 3 and install upper cover 1 at box 3 top, box 3 includes main framework 31, installs mobilizable first curb plate 32 and second curb plate 33 in the both sides of main framework 31, and main framework 31 and second curb plate 33 and first curb plate 32 form the cavity and protect control panel 35 and reactive compensation electric capacity 34, and drive frame 21 is installed at main framework 31 top, and drive frame 21 carries out spacingly to the box that forms after main framework 31 and second curb plate 33 are closed.

The main frame 31 is used as a fixed end of the box body, a first side plate 32 and a second side plate 33 which can be opened and closed are arranged on two sides of the main frame 31, the cavity of the main frame 31 is shielded and opened when the box body is opened, a control board 35 and a reactive compensation capacitor 34 are arranged in the main frame 31, and the box body is more convenient in part assembly and wiring work (the main frame 31 is opened and the structure is referred to as figure 2).

The main frame 31 forms a bottom groove through the back plate 311 and the third side plates 313 installed at two sides of the back plate 311, and in order to improve the strength, the reinforcing strips 314 are welded in the bottom groove to support, the reinforcing strips 314 are used for fixing the control plate 35 and the reactive compensation capacitor 34 on a wall body, and a heat dissipation hole is formed in a gap formed before the reinforcing strips 314 are arranged, so that the heat dissipation of the control plate 35 and the reactive compensation capacitor 34 is improved, and the running stability is improved.

The movable groove 315 is formed between the third side plate 313 and the plate body of the back plate 311, the movable groove 315 is connected with the movable post 321, the movable post 321 can be rotated to open and close under the support of the movable groove 315, the panel 322 is arranged on the surface of the movable post 321, the panel 322 moves together when the movable post is opened, wires at the rear end of the panel 322 are conveniently inspected and wired, the whole weight of the panel 322 is improved due to the fact that components such as a voltmeter and a ammeter are arranged on the surface of the panel 322, the rotating shaft of the movable post 321 is arranged to be cylindrical, the supportability is improved, the door plate 323 connected with the movable post 321 is a door body of the box body, a control element used for shielding the inside after the movable post is closed, a groove is formed in the surface of the door plate 323, and the panel 322 is opposite to the groove of the door plate 323 when the door plate 323 is closed, so that the panel 322 is conveniently observed.

And the fixed plate of the panel 322 is mounted on the surface of the second side plate 33, so as to lock the panel 322, and after the panel 322 is locked, the movable post 321 and the second side plate 33 are pulled, at this time, the plate bodies on both sides are in a fixed state, and the box body is in a normal state, so that only the door plate 323 can be opened and closed.

Because the box adopts open-close type structure, for making it safer stable in the time of closing, this box has set up drive frame 21 at backplate 311 top, it is spacing to block the periphery of box through the reciprocates of drive frame 21, drive frame 21 is installed in the cavity that first support frame 22 fixed upper cover 1 formed, the surface girth of drive frame 21 is close with the inner wall girth of upper cover, can reduce the gap in the time of accomodating, in order to make the ring frame 2111 of drive frame 21 reciprocate more smoothly, set up the slide column 23 at backplate 311 and cooperate, the crossbeam 2113 at support 211 top slides under the support of drive frame 21 for the atress is more even.

The center of the cross beam 2113 is driven by the driver 212, the driver 212 is arranged in the fixed slot 312 of the back plate 311 and is controlled by an electric signal of the control board 35, a remote control module which can be a wireless communication module or an infrared communication module is further arranged in the control board 35, the opening and closing of the driver 212 are controlled by remote control or the remote control is carried out by a network, a detection strip 2112 is further arranged on the inner surface of the ring frame 2111, a pressure sensor is adhered to the inner part of the detection strip 2112, when the detection strip 2112 is contacted with a box body, the detection strip 2112 can generate electric signal feedback to a system, the system judges that the current state is in a box door closing state, the value change range of the pressure sensor is small under the static state, the filtration can be carried out through a program, the error is reduced, the situation of false alarm is avoided, the value is suddenly increased when the first side plate 32 is opened by violent force, and the alarm is triggered, so that the maintenance personnel can monitor the equipment conveniently.

The driving unit 2121 of the driver 212 adopts a stepping motor, and can be controlled stably by pulse, an electromagnet formed by an electromagnetic plate 2129 and a sliding contactor 2123 is installed at the main shaft of the driving unit 2121, the sliding contactor 2123 adopts a rotary contactor, the electromagnetic plate 2129 is fixed by the contact of a brush and an annular contact while rotating, and the fixed part of the sliding contactor 2123 is installed on the shell of the driving unit 2121 through a second supporting frame 2122.

The electromagnetic plate 2129 is nested on the inner surface of the sliding cavity 2124, and is matched with the sliding rod 2125 through the sliding cavity 2124, when the electromagnetic plate 2129 is electrified to generate magnetism, the sliding rod 2125 can be attracted, at the moment, the sliding rod 2125 cannot stretch and retract in a sliding groove of the sliding cavity 2124, in order to improve sliding smoothness, the rolling balls 2126 are compressed between the sliding cavity 2124 and the pressing ring 2128 through the pressing plate 2127, the sliding groove of the sliding rod 2125 is supported, and the sliding rod 2125 moves up and down more smoothly.

The telescopic structure between the sliding rod 2125 and the driving unit 2121 is used for avoiding that the driving unit 2121 cannot be started when power is off, and then the box 3 cannot be opened, so that overhaul is affected, the magnetism of the electromagnetic plate 2129 disappears when the power is off, and the sliding rod 2125 can be directly lifted to open the door plate 323 of the box 3 under the condition that the sliding rod 2125 is in an active state and the ring frame 2111 is directly pushed and pulled.

Description of the use of the case 3:

when the reactive compensation capacitor is installed, the main frame 31 is integrally locked on the wall, the control board 35 which is pre-wired and arranged is installed, and the reactive compensation capacitor 34 is connected with the control board 35.

After the foundation is installed, the first side plates 32 and the second side plates 33 are arranged on the two sides, the panel 322 is connected with the control plate 35 through wires, and the wires pass through the notch on the side edge of the third side plate 313 and are routed along the rotating shaft, so that the maintenance is convenient to open in the later period.

After the wiring is finished, the movable post 321 and the second side plate 33 are closed, so that the panel 322 is closed and buckled, at this time, the equipment can be roughly debugged, whether the circuit operates normally or not is checked, when the door plate 323 is closed after the normal operation, the driver 212 in the top fixing groove 312 is started to drive the frame body 211 to descend for locking, and the detection strip 2112 generates a closing signal after locking.

When maintenance is required, the driver 212 is driven to lift the frame 211, release the limit of the periphery of the box 3, and then completely open the first side plate 32 and the second side plate 33.

The improved box 3 can be quickly installed and wired inside the main frame 31 through the expansion of the first side plate 32 and the second side plate 33, the trouble of installation and wiring caused by box limiting is reduced, the opening and closing of the inner panel 322 can enable the box 3 to be switched in a mode of completely opening and only opening the door plate 323, and the box can be adjusted in daily use and maintenance modes, so that convenience and safety are improved.

And carry out spacingly through setting up the support body 211 to box 3, be in the closed condition after the link 2111 lock box 3, and detect through detecting strip 2112 and avoid opening of non-maintainer to cause danger, and carry out spacingly through the mode that electromagnetic plate 2129 and slide bar 2125 are inhaled through the magnetism, slide bar 2125 freely slides when the outage, releases spacing convenient maintenance.

The foregoing has described only the basic principles and preferred embodiments of the present invention, and many variations and modifications will be apparent to those skilled in the art in light of the above description, which variations and modifications are intended to be included within the scope of the present invention.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An intelligent reactive compensation block terminal, its structure includes: box (3) and install upper cover (1) at box (3) top, its characterized in that: the box body (3) comprises a main box body (31), a movable first side plate (32) and a movable second side plate (33) are arranged on two sides of the main box body (31), the second side plate (33) and the first side plate (32) form a cavity to protect a control plate (35) and a reactive compensation capacitor (34), a driving frame (21) is arranged at the top of the main box body (31), and the driving frame (21) limits the box body formed after the main box body (31) and the second side plate (33) are closed;

the driving frame (21) is arranged at the top of the main frame body (31), the driving frame (21) is in sliding connection with a sliding column (23) vertically arranged on the surface of the main frame body (31), a first supporting frame (22) is further arranged at the top of the main frame body (31), and the upper cover (1) at the top is supported by the first supporting frame (22);

the main frame body (31) comprises a back plate (311), a concave fixing groove (312) is formed in the middle of the back plate (311), a driver (212) at the bottom of the main frame body (211) is fixed through the fixing groove (312), a third side plate (313) is further fixed on two sides of the back plate (311), a movable groove (315) for installing a first side plate (32) and a second side plate (33) is formed at an included angle between the third side plate (313) and the back plate (311), more than two reinforcing strips (314) are installed on the inner wall of the back plate (311), and the reinforcing strips (314) are connected with a control plate (35) and the bottom plate of the reactive compensation capacitor (34);

the driver (212) comprises a driving unit (2121), a main shaft of the driving unit (2121) is connected with a movable end of a sliding contactor (2123), a fixed end of the sliding contactor (2123) is connected with a shell of the driving unit (2121) through a second supporting frame (2122), the sliding contactor (2123) is electrically connected with an electromagnetic plate (2129) in the middle, the electromagnetic plate (2129) is nested in an inner groove of a sliding cavity (2124) and is matched with the end face of a sliding rod (2125), the sliding cavity (2124) is connected with a pressing ring (2128) through threads, and a pressing plate (2127) for pressing balls (2126) is arranged between the sliding cavity (2124) and the inner wall of the pressing ring (2128);

the frame body (211) comprises a ring frame (2111), a detection strip (2112) is fixed on the inner wall of the ring frame (2111), the ring frame (2111) is connected with a sliding rod (2125) of the driver (212) through a beam (2113) in the middle, and the beam (2113) is further provided with a sliding groove matched with the sliding column (23).

2. An intelligent reactive compensation distribution box as claimed in claim 1, wherein: the first side plate (32) is connected with the movable groove (315) of the main frame body (31) through the movable post (321), the other end of the movable post (321) is hinged with the door plate (323), the surface of the movable post (321) is also provided with a panel (322), and the panel (322) is connected with the control plate (35) through a circuit.

3. An intelligent reactive compensation distribution box as claimed in claim 2, wherein: the free end of the door plate (323) is buckled with the edge of the second side plate (33).

4. An intelligent reactive compensation distribution box as claimed in claim 1, wherein: the test strip (2112) is a pressure sensor, and the outside is covered by a soft rubber strip.

5. An intelligent reactive compensation distribution box as claimed in claim 1, wherein: the sliding contactor (2123) is an annular sliding contactor, and the connection control board (35) controls the on-off of the electromagnetic plate (2129) to generate magnetic force to attract the sliding rod (2125).

6. An intelligent reactive compensation distribution box as claimed in claim 1, wherein: the surface of the sliding rod (2125) is provided with symmetrical grooves which are matched with the balls (2126).