CN214154032U

CN214154032U - Novel unbalanced three-phase compensation device

Info

Publication number: CN214154032U
Application number: CN202022885236.1U
Authority: CN
Inventors: 王炳浩
Original assignee: Shenzhen Rongguanglian Technology Co ltd
Current assignee: Shenzhen Rongguanglian Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-07
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a novel unbalanced three phase compensation device relates to electric power system auxiliary instrument field, has solved in the current circuit because the unbalanced three phase influences the circuit and uses electrical equipment's security performance's problem, and its technical scheme main points are: the three installation boxes are uniformly arranged, the two ends of each installation box are symmetrically and fixedly provided with line connection ports, the interior of each installation box is symmetrically provided with capacitor bodies along the vertical direction, the upper surface of each installation box is provided with a sealing protection cover plate, the center positions of the two ends of each capacitor body are fixedly provided with connecting terminals, the two ends of each capacitor body are respectively provided with a movable contact and a fixed contact, the movable contact and the fixed contact are electrically connected with the connecting terminals, and the fixed contact is electrically connected with one of the line connection ports; the automatic compensation effect is achieved, the circuit is protected, the electrical equipment is used, and the use is simple.

Description

Novel unbalanced three-phase compensation device

Technical Field

The utility model relates to an electric power system auxiliary instrument field, more specifically say, it relates to a novel unbalanced three-phase compensation device.

Background

In a low-voltage three-phase four-wire system power supply system for urban residents and rural power grids: as most of the power consumers are single-phase loads or single-phase and three-phase loads, the loads are different in size and the power utilization time is different. Therefore, the unbalanced current between three phases in the power grid is objective, and the electricity utilization imbalance condition is irregular and cannot be predicted in advance. Resulting in long term imbalance of the three-phase load of the low voltage power supply system, which is due to imbalance of the three-phase load and asymmetry of the three-phase parameters of the system components. The three-phase voltage balance condition of the power system is one of the main indexes of the power quality. Unbalanced three phase will lead to the rotating electrical machines additional to generate heat and vibrate, transformer magnetic leakage increases and local overheat, the electric wire loss increases and multiple protection and automatics malfunction etc., consequently, for solving this kind of problem, we propose a novel unbalanced three phase compensation arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel unbalanced three phase compensation device reaches automatic compensation's effect, has played protection circuit and has used electrical equipment's effect, simple to use.

The above technical purpose of the present invention can be achieved by the following technical solutions: the capacitor comprises an installation box, the installation box is uniformly provided with three, two ends of the installation box are symmetrically provided with fixed line connection ports, each capacitor body is symmetrically arranged in the installation box along the vertical direction, a sealing protection cover plate is arranged on the upper surface of the installation box, two connecting terminals are fixedly arranged at the center positions of two ends of each capacitor body, two ends of each capacitor body are respectively provided with a movable contact and a fixed contact, the movable contact and the fixed contacts are electrically connected with the connecting terminals, and the fixed contacts are electrically connected with one of the line connection ports.

Through adopting above-mentioned technical scheme, mainly be provided with three install bins in the device, can correspond the connection three-phase electric wire, the inside condenser that is provided with corresponding resistance value of every install bin, the circuit can pass through the condenser at the flow in-process, according to the size of electric current in the circuit, selects the condenser that corresponds the position to this reduces the influence of electric current fluctuation in-process to circuit and use electrical equipment, also can reduce the loss of electric energy.

The utility model discloses further set up to: the four corners position of sealed protection apron rotates installs the installation screw, be on the install bin and evenly set up fixed mounting have with the set screw installation piece of installation screw matching.

Through adopting above-mentioned technical scheme, every install bin is provided with solitary sealed protection apron, is provided with the set screw installation piece of four corners position, can install fast.

The utility model discloses further set up to: the lower fixed surface of sealed protection apron installs the installation frame, match between installation frame and the capacitor body, sealed protection apron upper surface central point puts fixed mounting and has the aspirating hole.

Through adopting above-mentioned technical scheme, all be provided with the aspirating hole on every solitary install bin, before using, take out the inside air of install bin through the aspirating hole, prevent that the electric arc that produces from causing the problem of damage to the device at the movable contact activity in-process.

The utility model discloses further set up to: two movable contact intermediate position fixed mounting has crooked connecting plate, crooked connecting plate is close to another one side outer wall central point of line connection port puts and articulates there is the bracing piece, the terminal fixed mounting of bracing piece has the power strip.

Through adopting above-mentioned technical scheme, two capacitor body are at the in-process that connects through the movable contact, mainly drive two movable contact activities through crooked connecting plate, can select the capacitor body that corresponds the position along with movable contact's activity.

The utility model discloses further set up to: the power panel is close to the both ends of movable contact one side and is the symmetry and sets up fixed mounting and take place a section of thick bamboo with electromagnetism, the inner wall fixed mounting that takes place a section of thick bamboo with electromagnetism coil, just the inner wall one side slidable mounting that takes place a section of thick bamboo with the electromagnetism has the push rod, the one end of push rod extends to one side of movable contact, just fixed mounting has the permanent magnetism piece on the push rod, magnetism is connected between permanent magnetism piece and the solenoid.

Through adopting above-mentioned technical scheme, in using millet grass, mainly through the change of the inside magnetic force size of magnetic force field and magnetic force direction, control the activity of the push rod that corresponds the position to the activity through the push rod realizes corresponding the position the movable contact and the being connected of connecting terminal, realizes the circulation of circuit.

The utility model discloses further set up to: an insulating sleeve is fixedly arranged in the electromagnetic generating cylinder and is positioned outside the electromagnetic coil.

Through adopting above-mentioned technical scheme, in the electromagnetism takes place a section of thick bamboo, the influence of electric power to inside push rod can be avoided appearing in the time of the solenoid coil production magnetic force that sets up.

The utility model discloses further set up to: the movable contact is electrically connected with the capacitor body through the power panel, and the two electromagnetic coils are connected in parallel.

By adopting the technical scheme, the arranged electromagnetic coils are connected in parallel, and in the process of power communication, the opening and closing of the corresponding circuits are realized on the premise that the two groups of electromagnetic coils do not interfere with each other.

To sum up, the utility model discloses following beneficial effect has: the whole device is provided with the multiunit install bin, can require to install according to the circuit installation to select the capacitor body to the usefulness, recycle the electromagnetism principle, can drive the inside magnetic force size and the direction of magnetic force field according to the change of circuit medium current size, thereby realize the movable contact that corresponds the position and the opening and close of connecting terminal, the reaction is rapid, simple to operate, the security performance is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view of the present invention;

figure 3 is a cutaway view of the electromagnetic generator cartridge assembly of the present invention.

In the figure: 1. sealing the protective cover plate; 2. installing a box; 3. a line connection port; 4. mounting screws; 5. an air exhaust hole; 6. a set screw mounting block; 7. a movable contact; 8. an electromagnetic generating cylinder; 9. a support bar; 10. bending the connecting plate; 11. static contact; 12. a capacitor body; 13. A mounting frame; 14. a connection terminal; 15. an insulating sleeve; 16. a push rod; 17. an electromagnetic coil; 18. permanent magnet blocks; 19. a power panel.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 3 and the embodiments.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): the utility model provides a novel unbalanced three phase compensation device, includes install bin 2, install bin 2 is and evenly is provided with threely, just install bin 2's both ends are the symmetry and set up fixed mounting and have line connection port 3, every install bin 2's inside is the symmetry along vertical direction and is provided with capacitor body 12, just install bin 2's upper surface is provided with sealed protection apron 1, two capacitor body 12's both ends central point puts fixed mounting and has connecting terminal 14, just capacitor body 12's both ends are provided with movable contact 7 and static contact 11 respectively, electric connection between movable contact 7 and static contact 11 and the connecting terminal 14, just static contact 11 and one of them electric connection between line connection port 3.

As shown in fig. 1 and 2, the four corners of the sealing protection cover plate 1 are rotatably provided with mounting screws 4, the mounting box 2 is uniformly provided with positioning screw mounting blocks 6 fixedly mounted with the mounting screws 4, the lower surface of the sealing protection cover plate 1 is fixedly provided with a mounting frame 13, the mounting frame 13 is matched with the capacitor body 12, and the upper surface center of the sealing protection cover plate 1 is fixedly provided with an air suction hole 5.

As shown in fig. 2 and 3, a bending connecting plate 10 is fixedly installed in the middle of the two movable contacts 7, a supporting rod 9 is hinged to the center of the outer wall of one side of the bending connecting plate 10 close to another line connecting port 3, a power supply plate 19 is fixedly installed at the tail end of the supporting rod 9, two ends of the power supply plate 19 close to one side of the movable contact 7 are symmetrically provided with electromagnetic generators 8, an electromagnetic coil 17 is fixedly installed on the inner wall of the electromagnetic generators 8, a push rod 16 is slidably installed on one side of the inner wall of the electromagnetic generators 8, one end of the push rod 16 extends to one side of the movable contact 7, a permanent magnet 18 is fixedly installed on the push rod 16, the permanent magnet 18 is magnetically connected with the electromagnetic coil 17, an insulating sleeve 15 is fixedly installed inside the electromagnetic generators 8, and the insulating sleeve 15 is located outside the electromagnetic coil 17, the movable contact 7 is electrically connected with the capacitor body 12 through a power panel 19, and the two electromagnetic coils 17 are connected in parallel.

The working principle is as follows: before use, capacitor bodies 12 with different resistance values are selected according to the installation requirements of a circuit, and because the two capacitor bodies 12 are connected with the sealing protection cover plate 1 through the installation frame 13, the capacitor bodies can be directly installed through the positioning screw installation blocks 6 and the installation screws 4, and then air in the installation box 2 is pumped out through the air pumping holes 5;

the circuit is connected through the circuit connecting port 3, in the process of current circulation, current flows into the two electromagnetic coils 17 respectively to generate magnetic force matched with the current, the magnetic force is matched with the permanent magnet blocks 18 to push the push rod 16, the push rod 16 pushes the movable contact 7 at the corresponding position to be matched with the connecting terminal 14 and to be matched with the capacitor body 12 with the corresponding resistance value, one of the current branches is communicated, and on the contrary, when the current changes, the magnetic force changes, so that the communication state of the two different capacitor bodies 12 is changed, and the influence of the current change on a subsequent circuit or electric use equipment is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel unbalanced three phase compensation device, includes install bin (2), characterized by: the mounting box (2) is uniformly provided with three, two ends of the mounting box (2) are symmetrically provided with fixed line connection ports (3), each mounting box (2) is internally provided with capacitor bodies (12) symmetrically along the vertical direction, the upper surface of the mounting box (2) is provided with a sealing protection cover plate (1), two centers of two ends of each capacitor body (12) are fixedly provided with a connection terminal (14), two ends of each capacitor body (12) are respectively provided with a movable contact (7) and a fixed contact (11), the movable contact (7) and the fixed contact (11) are electrically connected with the connection terminals (14), and the fixed contact (11) is electrically connected with one of the line connection ports (3).

2. A novel three-phase imbalance compensation device according to claim 1, wherein: the four corners position of sealed protection apron (1) is rotated and is installed installation screw (4), be on install bin (2) and evenly set up fixed mounting and have set screw installation piece (6) that match with installation screw (4).

3. A novel three-phase imbalance compensation device according to claim 2, wherein: the lower fixed surface of sealed protection apron (1) installs installation frame (13), match between installation frame (13) and capacitor body (12), sealed protection apron (1) upper surface central point puts fixed mounting has aspirating hole (5).

4. A novel three-phase imbalance compensation device according to claim 1, wherein: two movable contact (7) intermediate position fixed mounting has crooked connecting plate (10), crooked connecting plate (10) are close to another one side outer wall central point of line connection port (3) puts and articulates there is bracing piece (9), the terminal fixed mounting of bracing piece (9) has power strip (19).

5. The novel three-phase imbalance compensation device according to claim 4, wherein: the power panel (19) is close to both ends of movable contact (7) one side and is the symmetry and sets up fixed mounting and have electromagnetism generator (8), the inner wall fixed mounting of electromagnetism generator (8) has solenoid (17), just inner wall one side slidable mounting of electromagnetism generator (8) has push rod (16), the one end of push rod (16) extends to one side of movable contact (7), just fixed mounting has permanent magnetism piece (18) on push rod (16), magnetism is connected between permanent magnetism piece (18) and solenoid (17).

6. The novel three-phase imbalance compensation device according to claim 5, wherein: an insulating sleeve (15) is fixedly mounted inside the electromagnetic generating cylinder (8), and the insulating sleeve (15) is located outside the electromagnetic coil (17).

7. The novel three-phase imbalance compensation device according to claim 5, wherein: the movable contact (7) is electrically connected with the capacitor body (12) through a power panel (19), and the two electromagnetic coils (17) are connected in parallel.