CN216566013U - Electric transmission system based on time-sharing multiplexing of frequency converter - Google Patents

Abstract

The utility model discloses an electric transmission system based on frequency converter time sharing multiplexing, which comprises a box body, a fixed plate and a heat dissipation assembly, wherein a sealing plate is arranged on the front side of the box body, the fixed plate is arranged in the box body, a plurality of frequency converters are arranged on the surface of the fixed plate at equal intervals, the heat dissipation assembly is used for dissipating heat of the frequency converters arranged on the fixed plate and is arranged on one side of the box body, the utility model realizes the heat dissipation effect on the frequency converters arranged in the box body by additionally arranging the heat dissipation assembly, improves the use safety, prolongs the service life, uniformly arranges the frequency converters in the box body, facilitates uniform heat dissipation and maintenance, reduces the labor intensity of workers, can dry the introduced air in the heat dissipation process, increases the use safety and can adjust the air inlet flow speed of the box, avoid a large amount of dust to get into and cause the influence to the converter.

Description

Electric transmission system based on time-sharing multiplexing of frequency converter

Technical Field

The utility model relates to the technical field of electric transmission systems, in particular to an electric transmission system based on frequency converter time-sharing multiplexing.

Background

The electric transmission means that an electric motor is used for converting electric energy into mechanical energy to drive various production machines, transportation vehicles and articles needing to move in life, along with the development of the electric transmission technology of ships, a transmission device based on motor drive gradually replaces the traditional pneumatic and hydraulic transmission devices, and a large number of electric transmission auxiliary equipment such as fans, water pumps, electric rudder devices and the like with different functions are widely applied to modern ships. In order to realize energy saving and noise reduction, a frequency converter is generally required to be configured for the transmission driven by the motor one to one so as to realize the rotation speed adjustment or the accurate motion control of the transmission.

Electric transmission on the existing market is the drive arrangement of main equipment mostly, be the many usages that change the electric energy into mechanical energy, motor drive's transmission one-to-one configuration converter need dispel the heat to the converter when using, increase its life, at radiating in-process, can not adjust the size of air intake, will lead to a large amount of dust to get into, the piling up of dust will influence the life of converter, current equipment is to make up the converter and separately installs simultaneously, the input of heat dissipation cost has been increased, inconvenient maintenance that carries on unification simultaneously, maintenance personnel's working strength has been increased.

Therefore, an electric transmission system based on frequency converter time division multiplexing is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric transmission system for time-sharing multiplexing of frequency converters, which can be used for intensively placing and installing the frequency converters and increasing the heat dissipation effect of the frequency converters, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric transmission system based on multiplexing of converter timesharing, includes box, fixed plate and radiator unit, the front side of box is equipped with the closing plate, the fixed plate is located the inside of box, and its surperficial equidistance installation is equipped with a plurality of converters, is used for right install on the fixed plate the converter carries out the heat dissipation radiator unit, and the installation is located one side of box.

Preferably, the heat dissipation assembly comprises a placing box communicated with one side wall of the box body, a first baffle is arranged inside the placing box, a plurality of second baffles are arranged at equal intervals below the first baffle, a first rotating shaft penetrates through the middle of each second baffle, two ends of each first rotating shaft penetrate through the placing box and extend outwards, a first gear is fixedly sleeved at one end of each first rotating shaft and positioned outside the placing box, a second rotating shaft penetrates through the middle of each first baffle, two ends of each second rotating shaft penetrate through the placing box and extend outwards to be connected with the output ends of the second gear and the first motor respectively, the first gear and the second gear are meshed and connected through a toothed chain, a fan is arranged at the communication position of the placing box and the box body, one side of the fan is connected with the output end of the second motor, the fan is far away from one side of the second baffle plate and is positioned in the box body, the alkali lime plate is arranged in the box body, a plurality of groups of S-shaped channels are equidistantly arranged on the alkali lime plate, the air outlet assembly is arranged in the box body and is positioned on the fixed plate, the heat dissipation assembly is additionally arranged on one side of the box body, the air can be blown into the box body, the air flow in the box body is increased, the heat dissipation effect on the frequency converter arranged in the box body can be realized, the frequency converter is prevented from being damaged due to the fact that the frequency converter is in a high temperature state for a long time, the use safety is effectively improved, the service life of the frequency converter is prolonged, the frequency converter is uniformly arranged in the box body, the uniform heat dissipation is convenient, the maintenance is convenient, the labor intensity of workers is reduced, the use convenience is improved, and the air flow speed for placing the box can be adjusted, avoid a large amount of dust to get into and cause the influence to the converter.

Preferably, the air-out subassembly is including seting up in the cavity in the middle of the fixed plate, just one side of cavity run through be equipped with the fixed plate with the box is linked together, one side of fixed plate be equipped with the exhaust pipe that the cavity is linked together, the other end of exhaust pipe runs through the box and extends to its outside and be connected with the check valve, is equipped with the air-out subassembly in the inside of box and be located the fixed plate, can play exhaust effect to the inside air of box, increases the discharge of the inside hot-air of box, then introduces the outside cold air of box by heat dissipation component, has increased the inside convenience of airing exhaust of box, is equipped with the check valve on the exhaust pipe simultaneously, avoids the outside not filterable air of box to enter into the inside of box through the exhaust pipe, reduces going into of dust, has improved the security that the converter used.

Preferably, place the box with the UNICOM department of box is equipped with the support frame, the support frame is located one side of second motor, and the both ends of support frame all with the inner wall fixed connection of box is equipped with the support frame through the below at the second motor, can play the effect of support to it, avoids the unsettled security of placing, the effectual security that improves the use of second motor.

Preferably, place the box and keep away from the filter screen has been seted up to one side equidistance of box, be equipped with the filter screen and can play filterable effect to the air that gets into in one side of placing the box, reduce the dust and get into and cause the damage to the converter, the effectual security that improves the use.

Preferably, the top inboard of box be fixed be equipped with first motor with second motor electric connection's temperature sensor, temperature sensor and first, second motor all are connected with the controller, can realize monitoring the inside temperature of box to the start-up of timely first motor of control and second motor realizes dispelling the heat to the box inside and cooling.

Preferably, the box is kept away from place the box a lateral wall equidistance has seted up the winding displacement hole, one side in winding displacement hole just is located inside the box fixed be equipped with the winding displacement groove on the fixed plate, be equipped with the winding displacement hole on the inner wall of box and be equipped with the winding displacement groove on the fixed plate and can play the effect of concluding up to converter electric connection's wire, increased the orderliness of winding displacement.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the existing electric transmission system is optimized, the heat radiation component is additionally arranged on one side of the box body, the air can be blown into the box body, the air flow in the box body is increased, the heat radiation effect on the frequency converter arranged in the box body can be realized, the frequency converter is prevented from being damaged due to the fact that the frequency converter is in a high temperature state for a long time, the use safety is effectively improved, the service life of the frequency converter is prolonged, the frequency converter is uniformly arranged in the box body, the uniform heat radiation is convenient, the maintenance is convenient, the labor intensity of workers is reduced, the use convenience is improved, the air inlet flow speed of the box can be adjusted, and the influence on the frequency converter due to the fact that a large amount of dust enters the box body is avoided.

2. The air outlet assembly is arranged in the box body and on the fixing plate, the air outlet assembly can exhaust air in the box body, the exhaust of hot air in the box body is increased, then cold air outside the box body is introduced through the heat dissipation assembly, the convenience of air exhaust in the box body is increased, meanwhile, the one-way valve is arranged on the exhaust pipe, air which is not filtered outside the box body is prevented from entering the box body through the exhaust pipe, the introduction of dust is reduced, and the use safety of the frequency converter is improved.

3. According to the utility model, the filter screen is arranged on one side of the placing box, so that the entering air can be filtered, the damage to the frequency converter caused by the entering of dust is reduced, the use safety is effectively improved, the wire arranging holes are formed in the inner wall of the box body, the wire arranging grooves are formed in the fixing plate, the wire electrically connected with the frequency converter can be summarized, and the orderliness of wire arrangement is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the case of the present invention;

FIG. 3 is a front view of a cross-sectional view of the case of the present invention;

FIG. 4 is a cross-sectional view of the storage case of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

fig. 6 is a rear view of a sectional view of the placing case of the present invention.

In the figure: 1-a box body; 2-sealing a plate; 3, fixing a plate; 4-a frequency converter; 5-a heat dissipation component; 6-placing a box; 7-a first baffle; 8-a second baffle; 9-a first gear; 10-a second gear; 11-a first electric machine; 12-a fan; 13-a second electric machine; 14-alkali lime board; 15-S type channel; 16-an air outlet component; 17-a cavity; 18-an exhaust duct; 19-a one-way valve; 20-a support frame; 21-a filter screen; 22-a temperature sensor; 23-a stringing hole; 24-a wiring groove; 25-dentate chain.

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 1

Referring to fig. 1 to 6, an electrical transmission system based on frequency converter time division multiplexing in the figures includes a box body 1, a fixing plate 3 and a heat dissipation assembly 5, wherein a sealing plate 2 is disposed on a front side of the box body 1, the fixing plate 3 is disposed inside the box body 1, and a plurality of frequency converters 4 are disposed on a surface of the fixing plate 3 at equal intervals, and the heat dissipation assembly 5 is used for dissipating heat of the frequency converters 4 mounted on the fixing plate 3 and is disposed on one side of the box body 1.

Wherein, the heat dissipation assembly comprises a placing box 6 communicated with one side wall of the box body 1, a first baffle 7 is arranged inside the placing box 6, a plurality of second baffles 8 are equidistantly arranged below the first baffle 7, a first rotating shaft is arranged in the middle of each second baffle 8 in a penetrating manner, two ends of the first rotating shaft penetrate through the placing box 6 and extend outwards, one end of the first rotating shaft is fixedly sleeved with a first gear 9 outside the placing box 6, a second rotating shaft is arranged in the middle of each first baffle 7 in a penetrating manner, two ends of the second rotating shaft penetrate through the placing box 6 and extend outwards to be respectively connected with output ends of a second gear 10 and a first motor 11, the first gear 9 and the second gear 10 are meshed and connected through a rack chain 25, a fan 12 is arranged at the communication part of the placing box 6 and the box body 1, one side of fan 12 is connected with the output of second motor 13, fan 12 keeps away from one side of second baffle 8 and is located the inside of box 1 is equipped with alkali lime board 14, multiunit S type passageway 15 has been seted up to equidistant on the alkali lime board 14, the inside of box 1 just is located be equipped with air-out subassembly 16 on the fixed plate 3.

When the frequency converter in the electric transmission system is used for heat dissipation: firstly, frequency converters 4 used in an electric transmission system are fixedly arranged on a fixing plate 3, a sealing plate 2 at the front side of a box body 1 is closed and sealed after the frequency converters are arranged, when the temperature in the box body 1 is higher, a first motor and a second motor are started, a first motor 11 is started to drive a second rotating shaft to rotate, the second rotating shaft drives a second gear 10 to rotate, the second gear 10 is meshed through a toothed chain 25 to drive a first gear 9 to rotate, the first baffle and a second baffle can be opened at the moment, the integral communication between a placing box 6 and the first box body 1 is realized, the second motor 13 is started to blow air into the box body 1, the air in the box body 1 is driven to flow in the blowing process, so that the effect of radiating the frequency converters 4 in the box body 1 can be realized, and the frequency converters 4 are prevented from being damaged under the high-temperature state for a long time, the service life of the box body is effectively prolonged, and the frequency converter 4 is placed in the same box body 1, so that the box body is convenient to carry out uniform overhaul and maintenance in the later period, the overhaul convenience is improved, the labor intensity of workers is reduced, and the overhaul convenience is improved;

meanwhile, the rotation of the first motor 11 drives the second gear 10 to drive the first gear 9 to rotate through the gear chain 25, and the inclination angle of the first baffle and the second baffle can be adjusted in the rotating process, so that the opening size of the communication between the placing box 6 and the box body 1 can be adjusted, the air intake entering the placing box 6 can be adjusted, the air intake adjustment is increased, and the use convenience is improved;

radiating in-process, fan 12 introduces the inside of placing box 6 with the outer cold wind of box 1, then in the inside that enters into box 1 through placing box 6, when entering into box 1' S inside by placing box 6, will pass through S type passageway 15 on the alkali stone ash board 14, cold wind is when entering into the inside in S type passageway 15, will cause the striking between the inner wall with S type passageway 15, and increase the flow time of cold wind in S type passageway 15 inside, thereby can dry the humid air among the cold air, the inside of avoiding humid air to enter into box 1 causes the short circuit to damage to converter 4 component, the effectual life that has improved, can adjust the velocity of flow of placing the box air inlet simultaneously, avoid a large amount of dusts to get into and cause the influence to the converter.

Example 2

Referring to fig. 1 to 6, in this embodiment, as further described with respect to embodiment 1, the heat dissipation assembly shown in the figure includes a placing box 6 communicated with a side wall of the box body 1, a first baffle 7 is disposed inside the placing box 6, a plurality of second baffles 8 are disposed below the first baffle 7 at equal intervals, a first rotating shaft is disposed through a middle of each of the second baffles 8, two ends of the first rotating shaft both penetrate through the placing box 6 and extend outward therefrom, wherein a first gear 9 is fixedly sleeved at one end of the first rotating shaft and located outside the placing box 6, a second rotating shaft is disposed through a middle of the first baffle 7, two ends of the second rotating shaft both penetrate through the placing box 6 and extend outward and are respectively connected with an output end of a second gear 10 and an output end of a first motor 11, a fan 12 is disposed at a communication position between the placing box 6 and the box body 1, one side of the fan 12 is connected with an output end of a second motor 13, an alkali lime plate 14 is arranged on one side of the fan 12 away from the second baffle 8 and inside the box body 1, a plurality of groups of S-shaped channels 15 are arranged on the alkali lime plate 14 at equal distances, and an air outlet assembly 16 is arranged inside the box body 1 and on the fixed plate 3;

the air outlet assembly 16 comprises a cavity 17 arranged in the middle of the fixed plate 3, one side of the cavity 17 is provided with the fixed plate 3 in a penetrating manner and communicated with the box body 1, one side of the fixed plate 3 is provided with an exhaust pipe 18 communicated with the cavity 17, and the other end of the exhaust pipe 18 penetrates through the box body 1 and extends towards the outside to be connected with a one-way valve 19;

meanwhile, the placing box 6 is connected with the box body 1 through a support frame 20, the support frame 20 is arranged on one side of the second motor 13, and two ends of the support frame 20 are fixedly connected with the inner wall of the box body 1.

In this embodiment, when the heat dissipation assembly 5 is used, the fan 12 blows air into the box 1 to increase the air flow inside the box 1, since the fan 12 is provided at one side of the cabinet 1, air will be caused to flow from one side of the cabinet 1 to the other side, the air pressure inside the box body 1 will be increased during the flowing process, and the hot air will flow to the inside of the cavity 17 in the fixed plate 3, then the air is exhausted by the exhaust pipe 18 at one side of the fixed plate 3, at this time, the pressure in the box body 1 can be reduced, the air in the box body 1 can be replaced, the heat dissipation effect can be improved, be equipped with check valve 19 on exhaust pipe 18, check valve 19 can avoid the outside air of box 1 to enter into the inside of box 1 through exhaust pipe 18, can reduce the entering of dust, has increased the security that converter 4 used.

Example 3

Referring to fig. 1, 4, 5 and 6, in this embodiment, for further description of other embodiments, the placing box 6 is provided with filter screens 21 at equal distances on a side away from the box body 1.

A temperature sensor 22 electrically connected with the first motor 11 and the second motor 13 is fixedly arranged on the inner side of the top of the box body 1;

meanwhile, the box body 1 is provided with wire arranging holes 23 at equal intervals on one side wall far away from the placing box 6, and a wire arranging groove 24 is fixedly arranged on the fixing plate 3 on one side of each wire arranging hole 23 and inside the box body 1.

In the embodiment, the filter screen 21 is arranged on one side of the placing box 6, and the filter screen 21 is a dustproof filter screen and can filter the entering air, so that the entering of dust in the air is reduced, the risk of short circuit of an electric element of the frequency converter 4 caused by the dust accumulated on the frequency converter is avoided, the air entering cleanliness is improved, and the service life of the frequency converter is prolonged;

the temperature sensor 22 is arranged in the box body 1, the temperature sensor 22 can monitor the temperature of the box body 1 in real time, when the temperature sensor 22 is installed, the temperature sensor 22, the first motor 11 and the second motor 13 are all electrically connected with the controller, and when the temperature sensor 22 detects that the temperature in the box body 1 is high, the controller can timely control the starting of the first motor and the second motor, so that the timely heat dissipation can be realized, and the use safety is improved;

be equipped with wire arrangement hole 23 in one side of box 1, convenient and 4 electric connection's of converter direction is installed and is got into box 1, then the inside of wire arrangement groove 24 is located in orderly installation, has increased the orderliness that the direction was arranged and is established, avoids the confusion of direction, makes things convenient for the later stage to the maintenance of circuit, has improved the convenience of maintenance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An electric drive system based on frequency converter time division multiplexing, comprising:

the box body (1), the front side of the box body (1) is provided with a sealing plate (2);

the fixed plate (3) is arranged inside the box body (1), and a plurality of frequency converters (4) are arranged on the surface of the fixed plate (3) at equal intervals;

and the heat dissipation assembly (5) is used for dissipating heat of the frequency converter (4) arranged on the fixing plate (3) and is arranged on one side of the box body (1).

2. The electric transmission system based on frequency converter time division multiplexing of claim 1, wherein: the heat dissipation assembly comprises a placing box (6) communicated with one side wall of the box body (1), a first baffle (7) is arranged inside the placing box (6), a plurality of second baffles (8) are arranged at equal intervals below the first baffles (7), a first rotating shaft is arranged in the middle of each second baffle (8) in a penetrating mode, two ends of each first rotating shaft penetrate through the placing box (6) and extend outwards, a first gear (9) is fixedly sleeved at one end of each first rotating shaft and located outside the placing box (6), a second rotating shaft is arranged in the middle of each first baffle (7) in a penetrating mode, two ends of each second rotating shaft penetrate through the placing box (6) and extend outwards to be connected with the output ends of a second gear (10) and a first motor (11) respectively, and the first gear (9) and the second gear (10) are connected through a tooth chain (25) in a meshing mode, place box (6) with the intercommunication department of box (1) is equipped with fan (12), one side of fan (12) is connected with the output of second motor (13), fan (12) are kept away from one side of second baffle (8) and are located the inside of box (1) is equipped with alkali stone ash board (14), multiunit S type passageway (15) have been seted up to equidistant on alkali stone ash board (14), the inside of box (1) just is located be equipped with air-out subassembly (16) on fixed plate (3).

3. The electric transmission system based on frequency converter time division multiplexing of claim 2, characterized in that: air-out subassembly (16) including set up in cavity (17) in the middle of fixed plate (3), just one side of cavity (17) run through be equipped with fixed plate (3) with box (1) is linked together, one side of fixed plate (3) be equipped with exhaust pipe (18) that cavity (17) are linked together, the other end of exhaust pipe (18) runs through box (1) and extend outside it and be connected with check valve (19).

4. The electric transmission system based on frequency converter time division multiplexing of claim 2, characterized in that: place box (6) with the UNICOM department of box (1) is equipped with support frame (20), support frame (20) are located one side of second motor (13), and the both ends of support frame (20) all with the inner wall fixed connection of box (1).

5. The electric transmission system based on frequency converter time division multiplexing of claim 2, characterized in that: filter screens (21) are arranged on one side, far away from the box body (1), of the placing box (6) at equal intervals.

6. The electric transmission system based on frequency converter time division multiplexing of claim 2, characterized in that: and a temperature sensor (22) electrically connected with the first motor (11) and the second motor (13) is fixedly arranged on the inner side of the top of the box body (1).

7. The electric transmission system based on frequency converter time division multiplexing of claim 2, characterized in that: the wire arranging holes (23) are formed in one side wall, far away from the placing box (6), of the box body (1) at equal intervals, and wire arranging grooves (24) are fixedly formed in one side of each wire arranging hole (23) and located inside the box body (1) on the fixing plate (3).

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