CN215451086U

CN215451086U - Electric reactor for subway

Info

Publication number: CN215451086U
Application number: CN202121582962.4U
Authority: CN
Inventors: 杜泓九; 刘振鹏; 王浩林
Original assignee: Qinhuangdao Qinkang Electrical Technology Co ltd
Current assignee: Qinhuangdao Qinkang Electrical Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-07
Anticipated expiration: 2031-07-13

Abstract

The utility model belongs to the field of reactors, and particularly relates to a reactor for a subway, which comprises a reactor body, a sealing cover and a bottom plate; the reactor body is bolted to the top side of the bottom plate; the bottom of the sealing cover is fixedly connected with a fixing ring; the fixing ring is detachably and fixedly connected with the bottom plate through a group of first fastening pieces; a group of through holes are formed in the side face of the sealing cover; a sealing ring and a rubber ring are fixedly connected to the bottom side of the sealing cover; the section of the sealing ring is trapezoidal; through setting up sealed cowling, solid fixed ring, sealing ring, bottom plate, first fastener and rubber ring, rely on above-mentioned part to cooperate mutually to this makes reactor body and outside air keep apart, thereby avoids the iron core of reactor body to be corroded, and then avoids it to take place to damage.

Description

Electric reactor for subway

Technical Field

The utility model relates to the field of reactors, in particular to a reactor for a subway.

Background

The reactor is also called inductor, and is mainly used for providing inductance value to the circuit, limiting short circuit current and providing inductive reactive power, and the reactor is generally divided into inductive reactance and capacitive reactance.

The subway runs in an underground tunnel, the underground tunnel has much water vapor and high humidity, and after long-term use, an iron core inside the reactor can be corroded by the water vapor, so that the reactor is damaged; therefore, reactors for subways have been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric reactor for a subway, aiming at making up for the defects of the prior art and solving the problems that the underground tunnel has more water vapor and high humidity, and an iron core in the electric reactor is corroded by the water vapor after long-term use, so that the electric reactor is damaged.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the reactor for the subway comprises a reactor body, a sealing cover and a bottom plate; the reactor body is bolted to the top side of the bottom plate; the bottom of the sealing cover is fixedly connected with a fixing ring; the fixing ring is detachably and fixedly connected with the bottom plate through a group of first fastening pieces; a group of through holes are formed in the side face of the sealing cover; a sealing ring and a rubber ring are fixedly connected to the bottom side of the sealing cover; the section of the sealing ring is trapezoidal; an annular groove is formed in the top side of the bottom plate corresponding to the sealing ring; the bottom of the sealing ring is inserted into the annular groove and is in interference fit with the annular groove; the bottom plate top side is seted up flutedly with rubber ring corresponding position department to this seals up the inside of sealed cowling, thereby makes the reactor body keep apart with the outside, with this iron core of avoiding steam corrosion reactor body, has guaranteed simultaneously that the coil is electrical insulation under moist environment.

Preferably, a shell is fixedly connected to the side surface of the sealing cover; an air inlet and an air outlet are formed in one side, close to the reactor body, of the shell; the air outlet is arranged at the top of the air inlet; the top of the shell is provided with a sliding chute; a fixed frame is connected in the sliding groove in a sliding manner; a pair of fixed nets are symmetrically and fixedly connected in the fixed frame; a drying agent is arranged between the pair of fixing nets; a fixed plate is fixedly connected to one side of the fixed frame, which is far away from the reactor body; the fixed plate and the shell are detachably and fixedly connected through a group of second fasteners, and water vapor in the sealing cover can be adsorbed through the drying agent, so that the dryness of the inside of the sealing cover is improved.

Preferably, a rubber block is fixedly connected in the through hole; a sealing hole is formed in the rubber block; the section of the sealing hole is trapezoidal; the inner side wall of the sealing hole is fixedly connected with the annular bulge, so that the cable can be sealed, and the overall sealing effect is improved.

Preferably, a fixing frame is fixedly connected inside the shell; a motor is fixedly connected in the fixed frame; the output end of the motor is fixedly connected with the fan blades, so that the air can flow, the adsorption drying effect is improved, and the internal drying is more sufficient.

Preferably, a sealing groove is formed in a position, corresponding to the sliding groove, of one side, far away from the reactor body, of the inner side wall of the shell; a pair of rubber films is symmetrically and fixedly connected to the upper side and the lower side of the sealing groove; one side that the reactor body was kept away from to the casing corresponds the position with the fixed plate and goes out the rigid coupling and have the sealing washer to this makes fixed frame take out the back, seals the spout automatically, thereby when avoiding changing the drier, in steam enters into the sealed cowling through the spout in a large number, further improves the protective effect to the reactor body.

Preferably, the gas outlet rigid coupling has the trachea, and the trachea other end is established in the one side that the casing was kept away from to the reactor body, and the gas of gas outlet passes through the trachea and transports the one side of keeping away from the casing to make the gas mixture in the sealed cowling more even, thereby improve inside holistic degree of dryness.

The utility model has the advantages that:

1. according to the utility model, the sealing cover, the fixing ring, the sealing ring, the bottom plate, the first fastener and the rubber ring are arranged and matched with each other by means of the parts, so that the reactor body is isolated from the outside air, the iron core of the reactor body is prevented from being corroded, and further the reactor body is prevented from being damaged.

2. According to the utility model, the fixing frame, the shell, the fixing net, the drying agent, the fixing plate and the second fastening piece are arranged, and the drying agent can adsorb water vapor in the sealing cover, so that the dryness in the sealing cover can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of a sealing cap according to a first embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic structural diagram of a rubber block according to the first embodiment;

fig. 5 is a schematic structural view of the hose according to the second embodiment.

In the figure: 11. a reactor body; 12. a base plate; 13. a sealing cover; 14. a fixing ring; 15. a seal ring; 16. an annular groove; 17. a rubber ring; 18. a groove; 21. a housing; 22. a fixing frame; 23. a chute; 24. fixing the net; 25. a desiccant; 26. a fixing plate; 27. an air inlet; 28. an air outlet; 31. a rubber block; 32. sealing the hole; 33. an annular projection; 41. a fixed mount; 42. a motor; 43. a fan blade; 51. a sealing groove; 52. a rubber film; 53. a seal ring; 6. an air tube; 7. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the reactor for the subway comprises a reactor body 11, a sealing cover 13 and a bottom plate 12; the reactor body 11 is bolted to the top side of the bottom plate 12; the bottom of the sealing cover 13 is fixedly connected with a fixing ring 14; the fixing ring 14 is detachably and fixedly connected with the bottom plate 12 through a group of first fastening pieces; a group of through holes are formed in the side surface of the sealing cover 13; a sealing ring 15 and a rubber ring 17 are fixedly connected to the bottom side of the sealing cover 13; the section of the sealing ring 15 is trapezoidal; an annular groove 16 is formed in the top side of the bottom plate 12 corresponding to the sealing ring 15; the bottom of the sealing ring 15 is inserted into the annular groove 16 and is in interference fit with the annular groove; a groove 18 is formed at the position, corresponding to the rubber ring 17, on the top side of the bottom plate 12; when in use, the reactor body 11 is bolted and fixed on the bottom plate 12, then the sealing cover 13 covers the reactor body 11, then the sealing cover 13 and the bottom plate 12 are fixed through the first fastener, the through hole is used for inserting a cable, during installation, the sealing ring 15 is inserted into the annular groove 16, through interference fit, thereby sealing the inside of the sealing cover 13, thereby the reactor body 11 is isolated from the outside, thereby the iron core of the reactor body 11 is prevented from being corroded by water vapor, meanwhile, the coil is ensured to be electrically insulated in a humid environment, when in installation, the rubber ring 17 can be inserted into the groove 18, then the rubber ring 17 is extruded, the reactor body can be sealed again through the rubber ring 17, and therefore, the sealing performance and the sealing effect are improved.

A shell 21 is fixedly connected to the side surface of the sealing cover 13; an air inlet 27 and an air outlet 28 are formed in one side of the shell 21 close to the reactor body 11; the air outlet 28 is arranged at the top of the air inlet 27; the top of the shell 21 is provided with a sliding chute 23; a fixed frame 22 is connected in the sliding groove 23 in a sliding manner; a pair of fixing nets 24 are symmetrically and fixedly connected in the fixing frame 22; a drying agent 25 is arranged between the pair of fixing nets 24; a fixing plate 26 is fixedly connected to one side of the fixing frame 22 away from the reactor body 11; the fixed plate 26 is detachably and fixedly connected with the shell 21 through a group of second fasteners; a fixed frame 41 is fixedly connected inside the shell 21; a motor 42 is fixedly connected in the fixed frame 41; the output end of the motor 42 is fixedly connected with a fan blade 43, the air outlet 28 is fixedly connected with an air pipe 6, and the other end of the air pipe 6 is arranged on one side of the reactor body 11 far away from the shell 21; when the electric reactor is used, the drying agent 25 can adsorb the water vapor inside the sealing cover 13, so that the dryness inside the sealing cover 13 is improved, the fixing net 24 is used for fixing the drying agent 25, the drying agent 25 fails after long-term use, when the electric reactor needs to be replaced, the second fastening piece is taken down by a wrench, the two fixing frames 22 are taken out from the sliding groove 23, the drying agent 25 can be conveniently replaced by the arrangement, when the electric reactor is used, the motor 42 drives the fan blades 43 to rotate, so that the air inside the sealing cover 13 is sucked from the air inlet 27 and then is discharged from the air outlet 28, the air flow is adsorbed by the drying agent 25, so that the air flows, the adsorption and drying effects are improved, the internal drying effect is more sufficient, meanwhile, the heat dissipation of the electric reactor body 11 can be facilitated by the arrangement, the heat is more uniformly distributed, and the heat dissipation area is increased, the gas from the gas outlet 28 is transported to the side away from the housing 21 through the gas pipe 6, so that the gas in the sealing cover 13 is mixed more uniformly, thereby improving the dryness of the whole interior.

A rubber block 31 is fixedly connected in the through hole; a sealing hole 32 is formed in the rubber block 31; the section of the sealing hole 32 is trapezoidal; an annular bulge 33 is fixedly connected to the inner side wall of the sealing hole 32; during installation, the trapezoidal design of the sealing hole 32 facilitates the cable to pass through the rubber block 31, and during installation insertion, the cable extrudes the annular protrusion 33, so that the annular protrusion can be tightly attached to the cable, the cable can be sealed, and the overall sealing is improved.

A sealing groove 51 is formed in the position, corresponding to the sliding groove 23, of one side, far away from the reactor body 11, of the inner side wall of the shell 21; a pair of rubber films 52 are symmetrically and fixedly connected to the upper side and the lower side of the sealing groove 51; a sealing ring 53 is fixedly connected to a position, corresponding to the fixing plate 26, of one side of the shell 21 away from the reactor body 11; in the use, when taking out fixed frame 22, two rubber membranes 52 are under the elastic action of self, make two rubber membranes 52 fold each other with this, thereby make fixed frame 22 take out the back, seal spout 23 automatically, thereby when avoiding changing drier 25, steam enters into in the sealed cowling 13 through spout 23 in a large number, further improve the guard effect to reactor body 11, sealing washer 53 can increase simultaneously and the leakproofness between fixed plate 26 and the casing 21, thereby improve the leakproofness of device.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a set of flexible tubes 7 is fixedly connected to one end of the air tube 6 away from the shell 21; when the air flow is flowing out, the reaction force of the air flow can make the hose 7 swing randomly, so that the air inside the sealing cover 13 is mixed more uniformly.

The working principle is that when the reactor is used, the reactor body 11 is bolted and fixed on the bottom plate 12, then the sealing cover 13 covers the reactor body 11, then the sealing cover 13 and the bottom plate 12 are fixed through a first fastening piece, the through hole is used for inserting a cable, when the reactor is installed, the sealing ring 15 is inserted into the annular groove 16, the interior of the sealing cover 13 is sealed through interference fit, so that the reactor body 11 is isolated from the outside, the iron core of the reactor body 11 is prevented from being corroded by water vapor, meanwhile, the coil is ensured to be electrically insulated in a humid environment, when the reactor is installed, the rubber ring 17 is inserted into the groove 18 and then extruded, the reactor body can be sealed again through the rubber ring 17, so that the sealing performance and the sealing effect are improved, the water vapor in the sealing cover 13 can be adsorbed through the drying agent 25, so that the dryness of the interior of the sealing cover 13 is improved, the fixing net 24 is used for fixing the drying agent 25, after long-term use, the drying agent 25 will lose efficacy, when needing to be replaced, the second fastening piece is taken down by a wrench, then the two fixing frames 22 are taken out from the chute 23, the drying agent 25 can be conveniently replaced by the arrangement, when in use, the motor 42 drives the fan blades 43 to rotate, so that air in the sealing cover 13 is sucked from the air inlet 27 and then is discharged through the air outlet 28, airflow is adsorbed by the drying agent 25, so that the gas flows, the adsorption and drying effects are improved, the internal drying effect is more sufficient, meanwhile, the heat dissipation of the reactor body 11 can be facilitated by the arrangement, the heat is more uniformly distributed, the heat dissipation area is increased, the gas in the air outlet 28 is transported to one side far away from the shell 21 through the air pipe 6, so that the gas in the sealing cover 13 is more uniformly mixed, and the internal integral dryness is improved, when the installation, through the trapezoidal design of sealed hole 32, so can be convenient for pass rubber block 31 with the cable, when the installation is interlude, the cable can extrude annular protrusion 33, so can make it closely laminate with the cable, so can seal the cable, thereby improve holistic sealed, when taking out fixed frame 22, two rubber membranes 52 are under the elastic action of self, so make two rubber membranes 52 fold each other, thereby make fixed frame 22 take out the back, automatically seal spout 23, thereby when avoiding changing drier 25, steam enters into in the sealed cowling 13 in a large number through spout 23, further improve the protective effect to reactor body 11, sealing washer 53 can increase and the leakproofness between fixed plate 26 and the casing 21 simultaneously, thereby improve the leakproofness of device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Reactor for subway, its characterized in that: the reactor comprises a reactor body (11), a sealing cover (13) and a bottom plate (12); the reactor body (11) is bolted to the top side of the bottom plate (12); the bottom of the sealing cover (13) is fixedly connected with a fixing ring (14); the fixing ring (14) is detachably and fixedly connected with the bottom plate (12) through a group of first fastening pieces; a group of through holes are formed in the side surface of the sealing cover (13); a sealing ring (15) and a rubber ring (17) are fixedly connected to the bottom side of the sealing cover (13); the section of the sealing ring (15) is trapezoidal; an annular groove (16) is formed in the top side of the bottom plate (12) and corresponds to the sealing ring (15); the bottom of the sealing ring (15) is inserted into the annular groove (16) and is in interference fit with the annular groove; and a groove (18) is formed in the position, corresponding to the rubber ring (17), of the top side of the bottom plate (12).

2. The reactor for subway according to claim 1, wherein: a shell (21) is fixedly connected to the side surface of the sealing cover (13); an air inlet (27) and an air outlet (28) are formed in one side, close to the reactor body (11), of the shell (21); the air outlet (28) is arranged at the top of the air inlet (27); the top of the shell (21) is provided with a sliding chute (23); a fixed frame (22) is connected in the sliding groove (23) in a sliding manner; a pair of fixed nets (24) are symmetrically and fixedly connected in the fixed frame (22); a drying agent (25) is arranged between the pair of fixed nets (24); a fixed plate (26) is fixedly connected to one side of the fixed frame (22) far away from the reactor body (11); the fixing plate (26) is detachably and fixedly connected with the shell (21) through a group of second fastening pieces.

3. The reactor for subway according to claim 2, wherein: a rubber block (31) is fixedly connected in the through hole; a sealing hole (32) is formed in the rubber block (31); the section of the sealing hole (32) is trapezoidal; an annular bulge (33) is fixedly connected to the inner side wall of the sealing hole (32).

4. The reactor for subway of claim 3, wherein: a fixed frame (41) is fixedly connected inside the shell (21); a motor (42) is fixedly connected in the fixed frame (41); the output end of the motor (42) is fixedly connected with a fan blade (43).

5. The reactor for subway of claim 4, wherein: a sealing groove (51) is formed in the position, corresponding to the sliding groove (23), of one side, far away from the reactor body (11), of the inner side wall of the shell (21); a pair of rubber films (52) is symmetrically and fixedly connected to the upper side and the lower side of the sealing groove (51); and a sealing ring (53) is fixedly connected to the side, away from the reactor body (11), of the shell (21) and corresponds to the fixing plate (26).

6. The reactor for subway of claim 5, wherein: and the air outlet (28) is fixedly connected with an air pipe (6), and the other end of the air pipe (6) is arranged on one side, far away from the shell (21), of the reactor body (11).