CN110600231A

CN110600231A - Protection device for series filter reactor

Info

Publication number: CN110600231A
Application number: CN201910923553.7A
Authority: CN
Inventors: 蔡红
Original assignee: Xian Jiate Electrical Equipment Ltd Co
Current assignee: Xian Jiate Electrical Equipment Ltd Co
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2019-12-20

Abstract

The invention provides a protection device for a series filter reactor, which comprises a shell, wherein a first fixing plate is arranged at the bottom end inside the shell, a three-phase series filter reactor is arranged at the top of the first fixing plate, a second fixing plate is arranged at the top of the three-phase series filter reactor, three binding posts are arranged at the top of the three-phase series filter reactor, the top ends of the binding posts penetrate through the second fixing plate and the shell and extend to the top of the shell, shells are arranged on two sides inside the shell, a commutator is fixedly arranged inside the shell and positioned on one side edge of the shell, conducting wires are fixedly arranged on the top and the bottom of the commutator, one end of each conducting wire, far away from the commutator, is respectively connected with a first refrigerating sheet and a second refrigerating sheet, and a refrigerating bin is sleeved at the connection part of the first refrigerating sheet and the second refrigerating sheet, and one end of the refrigeration bin, which is far away from the commutator, is fixedly provided with a guide plate.

Description

Protection device for series filter reactor

Technical Field

The invention discloses a protection device for a series filter reactor, and belongs to the technical field of reactors.

Background

The reactor is also called as an inductor, and when one conductor is electrified, a magnetic field can be generated in a certain space range occupied by the conductor, so that all electric conductors capable of carrying current have the general inductive property; however, the inductance of the electrified long straight conductor is small, and the generated magnetic field is not strong, so that the actual reactor is in a mode that a conducting wire is wound into a solenoid, and is called as an air-core reactor; in order to make this solenoid have a larger inductance, a core, called a core reactor, is sometimes inserted into the solenoid. The reactance is divided into inductive reactance and capacitive reactance, and the more scientific classification is that the inductive reactance and the capacitive reactance are commonly called as a reactor, however, since the inductor is used before and is called as a reactor, the capacitor is called as the capacitive reactance now, and the reactor is specially called as the inductor; the long-term normal running time of the reactor under the rated load is the service life of the reactor; the service life of the reactor is determined by the material for manufacturing the reactor; the materials for manufacturing the reactor include two types, namely metal materials and insulating materials; the metal material is high temperature resistant, the insulating material gradually loses the original mechanical property and insulating property at a higher temperature for a long time, the higher the temperature is, the faster the mechanical property and insulating property of the insulating material are weakened, and the faster the insulating material is aged, so that the service life of the reactor is shorter, and a series filter reactor protection device is needed at present.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a series filter reactor protection device to solve the problems in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme: the invention relates to a protection device for a series filter reactor, which comprises a shell, wherein a first fixed plate is arranged at the bottom end inside the shell, a three-phase series filter reactor is arranged at the top of the first fixed plate, a second fixed plate is arranged at the top of the three-phase series filter reactor, three binding posts are arranged at the top of the three-phase series filter reactor, the top ends of the binding posts penetrate through the second fixed plate and the shell and extend to the top of the shell, shells are arranged on two sides inside the shell, a commutator is fixedly arranged inside the shells and on one side of the shell, conducting wires are fixedly arranged on the top and the bottom of the commutator, one end of each conducting wire, far away from the commutator, is respectively connected with a first refrigerating sheet and a second refrigerating sheet, and a refrigerating bin is sleeved at the connection part of the first refrigerating sheet and the second refrigerating sheet, the refrigeration storehouse is kept away from the equal fixed mounting in one end of commutator has the guide plate, just the guide plate is kept away from a side in refrigeration storehouse with the inboard side fixed connection of casing, the casing is close to a side of three-phase series connection filter reactor and with a plurality of through-holes one have been seted up to the corresponding position of guide plate, the both sides limit of shell and with the equal fixed mounting in the corresponding position of commutator has the joint.

In another embodiment of the present invention, the first refrigerating plate and the second refrigerating plate are both semiconductor refrigerating plates, the first refrigerating plate is made of an N-type semiconductor material, the second refrigerating plate is made of a P-type semiconductor material, and the first refrigerating plate and the second refrigerating plate are coupled by a galvanic couple.

And the other one is used as an implementation mode of the invention, the top of the shell and two sides of the binding post are both provided with a plurality of second through holes.

In another embodiment of the present invention, a plurality of fixing rings are installed at the top of the housing, and the fixing rings are all sleeved outside the terminal.

In another embodiment of the present invention, a mounting plate is installed at the bottom of the housing, a fixing groove is opened at the top of the mounting plate, and the housing is fixedly connected to the mounting plate through the fixing groove.

In another embodiment of the present invention, fixing plates are mounted on both sides of the mounting plate, and fixing nuts are symmetrically mounted on the fixing plates.

The invention has the beneficial effects that:

1. the first refrigerating sheet and the second refrigerating sheet can generate refrigerating gas, and then the interaction between the guide plate and the first through hole and the second through hole can well cool the three-phase series filter reactor in the shell, so that the problem that the service life of the series filter reactor is influenced due to overhigh temperature is well prevented;

2. the invention well solves the problem that the service life of the existing series filter reactor is shortened due to the gradual loss of the original mechanical property and the original insulating property at higher temperature, ensures that the series filter reactor is not accelerated to age due to overhigh temperature, prolongs the service life, better protects the series filter reactor and better meets the use requirements of people.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural view of a housing part of the embodiment;

FIG. 3 is a schematic side view of an embodiment housing portion;

FIG. 4 is a schematic top view of an embodiment;

in the figure: the refrigerating device comprises a shell 1, a fixed plate I2, a fixed plate II 3, a three-phase series filter reactor 4, a fixed plate II 5, a binding post 6, a shell 7, a commutator 8, a lead 9, a refrigerating sheet I10, a refrigerating sheet II 11, a refrigerating bin 12, a guide plate 13, a through hole I14, a joint 15, a through hole II 16, a fixing ring 16, a mounting plate 17, a fixing groove 18, a fixed plate 19 and a fixing nut 20.

Detailed Description

The technical means, the creation characteristics, the achievement purposes and the effects of the invention are easy to understand.

Example 1: the protection device for the series filter reactor comprises a shell 1, wherein a first fixing plate 2 is installed at the bottom end inside the shell 1, a three-phase series filter reactor 3 is installed at the top of the first fixing plate 2, a second fixing plate 4 is installed at the top of the three-phase series filter reactor 3, three binding posts 5 are installed at the top of the three-phase series filter reactor 3, the top ends of the binding posts 5 penetrate through the second fixing plate 4 and the shell 1 and extend to the top of the shell 1, shells 6 are installed on two sides inside the shell 1, a commutator 7 is fixedly installed on one side inside the shell 6 and located on the shell 1, wires 8 are fixedly installed on the top and the bottom of the commutator 7, and one end, far away from the commutator 7, of each wire 8 is respectively connected with a first refrigerating piece 9 and a second refrigerating piece 10, refrigeration piece 9 with the junction cover of two 10 of refrigeration pieces is established and is installed refrigeration storehouse 11, refrigeration storehouse 11 is kept away from the equal fixed mounting of one end of commutator 7 has guide plate 12, just guide plate 12 is kept away from a side of refrigeration storehouse 11 with the inboard side fixed connection of casing 6, casing 6 is close to a side of three-phase series connection filter reactor 3 and with a plurality of through-holes 13 have been seted up to the corresponding position of guide plate 12, the both sides limit of shell 1 and with the equal fixed mounting in the corresponding position of commutator 7 has joint 14.

Example 2: the first refrigerating sheet 9 and the second refrigerating sheet 10 are both semiconductor refrigerating sheets, the first refrigerating sheet 9 is made of N-type semiconductor materials, the second refrigerating sheet 10 is made of P-type semiconductor materials, and the first refrigerating sheet 9 and the second refrigerating sheet 10 are connected into a galvanic couple; the refrigerating effect is better reached, and the series filter reactor is protected.

Example 3: a plurality of second through holes 15 are formed in the top of the shell 1 and on two sides of the binding post 5; the air in the shell 1 can circulate, high temperature cannot be generated in the shell 1, and the series filter reactor is better protected.

Example 4: the top of the shell 1 is provided with a plurality of fixing rings 16, and the fixing rings 16 are all sleeved outside the wiring terminal 5; the fixing function is achieved, and the series filter reactor can be ensured to normally and stably operate.

Example 5: the bottom of the shell 1 is provided with an installation plate 17, the top of the installation plate 17 is provided with a fixing groove 18, and the shell 1 is fixedly connected with the installation plate 17 through the fixing groove 18; fixing plates 19 are respectively arranged on two side edges of the mounting plate 17, and fixing nuts 20 are symmetrically arranged on the fixing plates 19; convenient fixing and installation, and is convenient for people to use better.

Example 6: as shown in fig. 1 to 4, the protection device for the series filter reactor comprises a housing 1, a first fixing plate 2 is installed at the bottom end inside the housing 1, a three-phase series filter reactor 3 is installed at the top of the first fixing plate 2, a second fixing plate 4 is installed at the top of the three-phase series filter reactor 3, three binding posts 5 are installed at the top of the three-phase series filter reactor 3, the top ends of the binding posts 5 penetrate through the second fixing plates 4 and the housing 1 and extend to the top of the housing 1, housings 6 are installed on two sides inside the housing 1, a commutator 7 is fixedly installed inside the housing 6 and on one side of the housing 1, wires 8 are fixedly installed on the top and the bottom of the commutator 7, and one end of each wire 8, which is far away from the commutator 7, is respectively connected with a first refrigerating sheet 9 and a second refrigerating sheet 10, refrigeration piece 9 with the junction cover of two 10 of refrigeration pieces is established and is installed refrigeration storehouse 11, refrigeration storehouse 11 is kept away from the equal fixed mounting of one end of commutator 7 has guide plate 12, just guide plate 12 is kept away from a side of refrigeration storehouse 11 with the inboard side fixed connection of casing 6, casing 6 is close to a side of three-phase series connection filter reactor 3 and with a plurality of through-holes 13 have been seted up to the corresponding position of guide plate 12, the both sides limit of shell 1 and with the equal fixed mounting in the corresponding position of commutator 7 has joint 14.

The working principle is as follows: when the refrigerating device is used, the connector 14 is used for circuit connection, alternating current is converted into direct current under the action of the commutator 7, the first refrigerating sheet 9 and the second refrigerating sheet 10 are both semiconductor refrigerating sheets, the first refrigerating sheet 9 is made of N-type semiconductor materials, the second refrigerating sheet 10 is made of P-type semiconductor materials, the first refrigerating sheet 9 and the second refrigerating sheet 10 are connected into a galvanic couple, energy transfer can be generated after direct current is conducted in a circuit, current flows to the second refrigerating sheet 10 from the first refrigerating sheet 9 to absorb heat through the connector of the second refrigerating sheet 10 to form a cold end, cold air is diffused into the shell 1 under the interaction of the first refrigerating bin 11, the guide plate 12 and the through hole 13, the three-phase series filter reactor 3 in the shell 1 is cooled, and the top of the shell 1 and the two sides of the binding post 5 are both provided with the through holes 15, the air in the shell 1 can circulate, high temperature cannot be generated in the shell 1, and the series filter reactor is better protected.

Compare with patent 201610605599.0, 201320217711.5, 201510295011.1, the device pass through refrigeration piece one with refrigeration piece two can produce refrigerating gas, then the guide plate with through-hole one and the interact of through-hole two, can be fine right in the shell the three-phase series connection filter reactor cools down, fine has prevented that the temperature is too high, influences series connection filter reactor's life.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a series connection filter reactor protection device which characterized in that: including shell (1), fixed plate (2) are installed to the inside bottom of shell (1), three-phase series connection filter reactor (3) are installed at the top of fixed plate (2), fixed plate two (4) are installed at the top of three-phase series connection filter reactor (3), three terminal (5) are installed at the top of three-phase series connection filter reactor (3), just the top of terminal (5) all run through in fixed plate two (4) with shell (1) and extend to the top of shell (1), casing (6) are all installed on the inside both sides limit of shell (1), the inside of casing (6) just is located the equal fixed mounting in a side of shell (1) has commutator (7), the top and the equal fixed mounting in bottom of commutator (7) have wire (8), just wire (8) are kept away from the one end of commutator (7) is connected with refrigeration piece (9) and refrigeration piece two respectively (9), (8) 10) One (9) of refrigeration piece with the junction cover of two (10) of refrigeration piece is established and is installed refrigeration storehouse (11), refrigeration storehouse (11) is kept away from the equal fixed mounting in one end of commutator (7) has guide plate (12), just guide plate (12) are kept away from a side of refrigeration storehouse (11) with the inboard side fixed connection of casing (6), casing (6) are close to a side of three-phase series connection filter reactor (3) and with a plurality of through-holes (13) have been seted up to the corresponding position of guide plate (12), the both sides limit of shell (1) and with the equal fixed mounting in the corresponding position of commutator (7) has joint (14).

2. A series filter reactor protection device according to claim 1, characterized in that: the first refrigerating piece (9) and the second refrigerating piece (10) are both semiconductor refrigerating pieces, the first refrigerating piece (9) is made of N-type semiconductor materials, the second refrigerating piece (10) is made of P-type semiconductor materials, and the first refrigerating piece (9) and the second refrigerating piece (10) are combined into a galvanic couple.

3. A series filter reactor protection device according to claim 1, characterized in that: and a plurality of second through holes (15) are formed in the top of the shell (1) and positioned on two sides of the binding post (5).

4. A series filter reactor protection device according to claim 1, characterized in that: a plurality of fixed rings (16) are installed at the top of shell (1), just fixed ring (16) all overlap and are located the outside of terminal (5).

5. A series filter reactor protection device according to claim 1, characterized in that: mounting panel (17) are installed to the bottom of shell (1), fixed slot (18) have been seted up at the top of mounting panel (17), just shell (1) passes through fixed slot (18) with mounting panel (17) fixed connection.

6. A series filter reactor protection device according to claim 5, characterized in that: fixed plate (19) are all installed on the both sides limit of mounting panel (17), just fixation nut (20) are installed to the symmetry on fixed plate (19).