CN211429183U

CN211429183U - Device for protecting converter module

Info

Publication number: CN211429183U
Application number: CN202020273595.9U
Authority: CN
Inventors: 武云泽
Original assignee: Chengdu Yidisen New Energy Technology Co ltd
Current assignee: Chengdu Edison Technology Co.,Ltd.
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-09-04
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a device for protecting converter module, including first box, second box and control panel, the intermediate position department of the inside bottom of first box has the second box through the support mounting, and one side of the inside bottom of first box installs electric wire socket, and one side that electric wire socket was kept away from to the inside bottom of first box simultaneously installs the display screen, first driving motor is installed through the motor frame to first box inside wall, and cooling fan is installed to first driving motor's output. The utility model discloses an installation current conducting plate, second driving motor, electric putter, spout, slider, current sensor and control panel, thereby electric putter drives the current conducting plate and passes through the slider at the inside separation that slides of spout, and then makes the disconnection of internal circuit to play protection circuit's effect.

Description

Device for protecting converter module

Technical Field

The utility model relates to a converter equipment technical field specifically is a device for protecting converter module.

Background

A converter is an electrical device that changes the voltage, frequency, number of phases, and other electrical quantities or characteristics of a power supply system. Wind power generation is one of green energy advocated by the state, a wind generating set is a device for converting natural wind energy into electric energy, the natural wind energy pushes blades of the wind generating set to realize the absorption of the wind energy, and the blades drive a generator to realize the conversion of the wind energy into the electric energy; because the national power grid has frequency and phase regulations on the grid-connected electric energy, and the generator cannot meet the requirement of direct grid connection, corresponding electrical equipment must be added between the generator and the power grid, namely, the converter realizes the purpose of converting the energy of the generator into the frequency, the phase and the like required by the power grid and can perform active and reactive control and the like; the converter can be fine control converter busbar voltage scope when the fan is in operation, and circuit protection device's effect is especially important, but current device still has following problem:

firstly, the existing device may cause the bus voltage of the converter to rise when the converter is in a fault state, and may cause the converter to be damaged and not to be disconnected when the bus voltage exceeds the limit voltage of the converter, thereby causing economic loss;

secondly, when the existing device works for a long time, a large amount of heat can be generated, if the heat is not discharged in time, a circuit can be burnt out, the normal operation of equipment is influenced, and meanwhile, the heat dissipation effect of the device is poor;

thirdly, when the short circuit condition appears on the circuit board of the existing device, the protection device can protect the circuit board, but the fuse is generally installed in the existing protection device, and once the fuse is damaged, the fuse needs to be replaced, so that the operation is troublesome, and the requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device for protecting converter module to the current device converter for protecting converter module who proposes in solving above-mentioned background art takes place to damage, can't be with the relatively poor and comparatively troublesome problem of fuse change of its disconnection, device's radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: a device for protecting a converter module comprises a first box body, a second box body and a control panel, wherein the second box body is arranged at the middle position of the bottom end in the first box body through a support, an electric wire socket is arranged at one side of the bottom end in the first box body, a display screen is arranged at one side, far away from the electric wire socket, of the bottom end in the first box body, a first driving motor is arranged on the inner side wall of the first box body through a motor frame, a radiating fan is arranged at the output end of the first driving motor, a storage battery is arranged at one side, far away from the first driving motor, of the inner wall of the first box body, one end of the storage battery is connected with the side wall of the second box body, the converter module is arranged in the second box body, a through hole is formed in the inner wall of the second box body at one side of the, the both sides of converter module bottom all are provided with second control circuit, and all are provided with current sensor on the second control circuit, the intermediate position department of second box bottom installs the mount pad, and the both sides on mount pad top all are connected with second control circuit's one end through electrically conductive connecting plate, control switch is installed to one side of first box bottom, and one side that first box bottom is close to control switch installs control panel, the intermediate position department on first box bottom and top all is provided with the vent, and installs the siren on one side on first box top, the bottom of mount pad is provided with first control circuit, and just first control circuit's bottom is connected with control switch's top.

Preferably, the two sides of the bottom end inside the second box body on the two sides of the converter module are vertically provided with the heat dissipation plates, the periphery of each heat dissipation plate is uniformly provided with heat dissipation fins, and the front surface and the back surface of each heat dissipation plate are uniformly provided with heat dissipation holes.

Preferably, the fuse is installed to the intermediate position department on mount pad top, and the bottom of fuse evenly installs the fixture block, the top of mount pad be provided with fixture block assorted draw-in groove, can constitute the block structure between draw-in groove and the fixture block, draw-in groove and fixture block all are "T" shape simultaneously.

Preferably, the two sides of the front surface of the first box body are hinged with a door body through hinges, and the door body can form a rotating mechanism through the hinges and the first box body.

Preferably, the inside bottom of second box is provided with the spout, the inside both sides of spout all be provided with spout assorted slider, and the equal vertical current conducting plate of installing in top of slider, the mounting is evenly installed to one side of second box inner wall, and the one end of mounting installs the wire guide, the lateral wall that the wire guide is close to slider one side all transversely installs the spring that is connected with the slider, and all installs second driving motor on the inboard wire guide lateral wall of spring, electric putter is installed to second driving motor's output, and electric putter's one end is connected with one side of current conducting plate.

Preferably, the mounting panel is all vertically installed to the both sides of first box, and the installed part is all installed to the upper end and the lower extreme in the mounting panel outside, is provided with the locating hole simultaneously on the installed part.

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

(1) by installing the current conducting plate, the second driving motor, the electric push rod, the sliding chute, the sliding block, the current sensor and the control panel, when the current sensor detects that the voltage of the converter module and the voltage of the second control circuit are too low or too high, a signal can be transmitted to the control panel, the control panel can control the second driving motor to be started, the second driving motor drives the electric push rod to stretch, the electric push rod drives the current conducting plate to slide in the sliding chute through the sliding block so as to be separated, and then the internal circuit is disconnected, so that the circuit protection function is realized, when the voltage returns to be normal, the second driving motor drives the electric push rod to stretch, and the electric push rod drives the current conducting plate to be;

(2) by installing the first driving motor, the cooling fan, the temperature sensor, the alarm, the cooling plate, the cooling holes and the cooling fins, when the temperature sensor detects that the temperature inside the second box body is overhigh, a signal is transmitted to the control panel, the control panel controls the alarm to send out an alarm and simultaneously turns on the first driving motor, the first driving motor drives the cooling fan to rotate, the cooling fan rotates to accelerate air flow, meanwhile, heat is absorbed through the cooling plate and the cooling fins, and the heat is rapidly discharged through the cooling holes, so that the temperature is reduced, and the equipment is prevented from being burnt out by fire caused by overhigh temperature;

(3) through installation fuse, mount pad, draw-in groove and fixture block, when taking place the short circuit, break off the circuit through the fuse, avoid causing bigger harm, utilize the draw-in groove on the mount pad and the fixture block of fuse bottom simultaneously, with the fuse block on the mount pad, after the fuse melts, need change again, utilize the relation between fixture block and the draw-in groove to can be convenient change the fuse, it is very convenient.

Drawings

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

FIG. 2 is a schematic side view of the second housing of the present invention;

FIG. 3 is a schematic structural view of the heat dissipating plate of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the present invention;

FIG. 5 is a schematic front view of the present invention;

in the figure: 1. mounting a plate; 2. a storage battery; 3. a first case; 4. a wire socket; 5. a second case; 6. a vent; 7. a first control circuit; 8. a control switch; 9. a control panel; 10. a display screen; 11. a mounting member; 12. a first drive motor; 13. a heat radiation fan; 14. a through hole; 15. a heat dissipation plate; 1501. heat dissipation holes; 1502. heat dissipation fins; 16. a converter module; 17. a temperature sensor; 18. an alarm; 19. a chute; 20. a slider; 21. a conductive plate; 22. a fixing member; 23. a wire guide plate; 24. a spring; 25. a second drive motor; 26. an electric push rod; 27. a second control circuit; 28. a current sensor; 29. a fuse; 30. a conductive connection plate; 31. a mounting seat; 32. a card slot; 33. a clamping block; 34. a door body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a device for protecting a converter module comprises a mounting plate 1, a first box body 3, a second box body 5 and a control panel 9, wherein the second box body 5 is mounted at the middle position of the bottom end in the first box body 3 through a support;

a sliding groove 19 is formed in the bottom end of the interior of the second box body 5, sliding blocks 20 matched with the sliding groove 19 are arranged on two sides of the interior of the sliding groove 19, conductive plates 21 are vertically arranged at the top ends of the sliding blocks 20, fixing pieces 22 are uniformly arranged on one side of the inner wall of the second box body 5, a wire guide plate 23 is arranged at one end of each fixing piece 22, springs 24 connected with the sliding blocks 20 are transversely arranged on the side walls of the wire guide plate 23 close to one side of the sliding blocks 20, second driving motors 25 are arranged on the side walls of the wire guide plates 23 on the inner sides of the springs 24, the type of each second driving motor 25 can be Y315S-4, an electric push rod 26 is arranged at the output end of each second driving motor 25, and one end of;

when the voltage is too low or too high, the second driving motor 25 drives the electric push rod 26 to stretch, the electric push rod 26 drives the conductive plate 21 to slide in the sliding groove 19 through the sliding block 20 so as to be separated, and further, the internal circuit is disconnected, so that the circuit is protected, when the voltage returns to be normal, the second driving motor 25 drives the electric push rod 26 to stretch, and the electric push rod 26 drives the conductive plate 21 to be contacted again so as to be electrified;

an electric wire socket 4 is installed on one side of the bottom end inside the first box body 3, a display screen 10 is installed on one side, far away from the electric wire socket 4, of the bottom end inside the first box body 3, a first driving motor 12 is installed on the inner side wall of the first box body 3 through a motor frame, the type of the first driving motor 12 can be YZSB, a cooling fan 13 is installed at the output end of the first driving motor 12, a storage battery 2 is installed on one side, far away from the first driving motor 12, of the inner wall of the first box body 3, the type of the storage battery 2 can be MF12-40, one end of the storage battery 2 is connected with the side wall of the second box body 5, and a converter module 16 is arranged inside the;

heat dissipation plates 15 are vertically arranged on two sides of the bottom end inside the second box 5 on two sides of the converter module 16, heat dissipation fins 1502 are uniformly arranged on the periphery of each heat dissipation plate 15, and heat dissipation holes 1501 are uniformly arranged on the front surface and the back surface of each heat dissipation plate 15;

through the mutual matching between the heat dissipation plate 15 and the heat dissipation fins 1502, heat generated in the working process of the converter module 16 can be absorbed in time, and the heat can be quickly dissipated through the heat dissipation holes 1501, so that the phenomenon that the surface temperature of the converter module 16 is too high due to long-time working of the converter module and the working efficiency of the converter module is influenced is prevented;

the inner wall of the second box 5 at one side of the converter module 16 is provided with a through hole 14, the top end inside the second box 5 at the other side of the converter module 16 is provided with a temperature sensor 17, the model of the temperature sensor 17 can be CWDZ11, two sides of the bottom end of the converter module 16 are both provided with second control circuits 27, the second control circuits 27 are both provided with current sensors 28, the model of the current sensors 28 can be NB-AI3C1, and the middle position of the bottom end of the second box 5 is provided with a mounting seat 31;

the middle position of the top end of the mounting seat 31 is provided with a fuse 29, the model of the fuse 29 can be NGTC3, the bottom end of the fuse 29 is uniformly provided with clamping blocks 33, the top end of the mounting seat 31 is provided with a clamping groove 32 matched with the clamping blocks 33, a clamping structure can be formed between the clamping groove 32 and the clamping blocks 33, and the clamping groove 32 and the clamping blocks 33 are both in a T shape;

when a short circuit occurs to the power grid through the fuse 29, the power grid can be disconnected in time, and in addition, the fuse 29 can be installed and detached more quickly through the clamping connection between the clamping groove 32 and the clamping block 33;

two sides of the top end of the mounting seat 31 are connected with one end of a second control circuit 27 through a conductive connecting plate 30, one side of the bottom end of the first box body 3 is provided with a control switch 8, one side of the bottom end of the first box body 3, which is close to the control switch 8, is provided with a control panel 9, the type of the control panel 9 can be MAM-330, the middle positions of the bottom end and the top end of the first box body 3 are provided with ventilation openings 6, one side of the top end of the first box body 3 is provided with an alarm 18, the type of the alarm 18 can be HRB-N80, the bottom end of the mounting seat 31 is provided with a first control circuit 7, and the bottom end of the first control circuit 7 is connected with the top end of the control;

the mounting plates 1 are vertically mounted on two sides of the first box body 3, mounting pieces 11 are mounted at the upper end and the lower end of the outer side of each mounting plate 1, and positioning holes are formed in the mounting pieces 11;

the mounting plate 1 and the mounting piece 11 are matched with each other, so that the first box body 3 is conveniently fixed and positioned, and the first box body 3 is conveniently maintained;

two sides of the front surface of the first box body 3 are hinged with door bodies 34 through hinges, and the door bodies 34 and the first box body 3 can form a rotating mechanism through the hinges;

the first box body 3 can be protected through the door body 34, so that accidents are prevented, and meanwhile, the overhaul of workers is facilitated.

The working principle is as follows: when the electric wire distribution box is used, the first box body 3 is installed at a proper position through the installation plate 1 and the installation part 11, after the installation is finished, the door body 34 is opened, a wire is inserted into the wire socket 4, meanwhile, the first box body 3 is connected with a power grid, and then the door body 34 is closed;

when the current sensor 28 detects that the voltages of the converter module 16 and the second control circuit 27 are too low or too high, a signal is transmitted to the control panel 9, the control panel 9 controls to start the second driving motor 25, the second driving motor 25 drives the electric push rod 26 to stretch, the electric push rod 26 drives the conductive plate 21 to slide in the sliding groove 19 through the sliding block 20 so as to be separated, the second control circuit 27 is disconnected, and therefore the function of a protection circuit is achieved, when the voltage returns to be normal, the second driving motor 25 drives the electric push rod 26 to stretch, and the electric push rod 26 drives the conductive plate 21 to be contacted again so as to be electrified;

when the temperature sensor 17 detects that the temperature inside the second box 5 is too high, a signal is transmitted to the control panel 9, the control panel 9 controls the alarm 18 to give an alarm, the first driving motor 12 is started, the first driving motor 12 drives the cooling fan 13 to rotate, the cooling fan 13 rotates to accelerate air flow, heat is absorbed through the cooling plate 15 and the cooling fins 1502, and the heat is rapidly discharged through the cooling holes 1501, so that the temperature is reduced, and the equipment is prevented from being burnt out due to fire caused by too high temperature;

when taking place the short circuit, fuse 29 can be automatic with first control circuit 7 and the disconnection of second control circuit 27 for the scope that the short circuit takes place diminishes, thereby avoid causing bigger harm, utilize draw-in groove 32 and the fixture block 33 of fuse 29 bottom on the mount pad 31 simultaneously, with fuse 29 block on mount pad 31, after fuse 29 melts, with the fixture block 33 follow draw-in groove 32 extract can, then change new equipment can, very convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. An arrangement for protecting a converter module, comprising a first box (3), a second box (5) and a control panel (9), characterized in that: a second box body (5) is installed at the middle position of the bottom end inside the first box body (3) through a support, an electric wire socket (4) is installed at one side of the bottom end inside the first box body (3), a display screen (10) is installed at one side, far away from the electric wire socket (4), of the bottom end inside the first box body (3), a first driving motor (12) is installed on the inner side wall of the first box body (3) through a motor frame, a cooling fan (13) is installed at the output end of the first driving motor (12), a storage battery (2) is installed at one side, far away from the first driving motor (12), of the inner wall of the first box body (3), one end of the storage battery (2) is connected with the side wall of the second box body (5), a converter module (16) is arranged inside the second box body (5), a through hole (14) is formed in the inner wall of the second box, a temperature sensor (17) is installed at the top end inside a second box body (5) at the other side of a converter module (16), second control circuits (27) are arranged on two sides of the bottom end of the converter module (16), current sensors (28) are arranged on the second control circuits (27), a mounting seat (31) is installed at the middle position of the bottom end of the second box body (5), two sides of the top end of the mounting seat (31) are connected with one end of the second control circuit (27) through conductive connecting plates (30), a control switch (8) is installed at one side of the bottom end of a first box body (3), a control panel (9) is installed at one side of the bottom end of the first box body (3) close to the control switch (8), ventilation openings (6) are arranged at the middle positions of the bottom end and the top end of the first box body (3), and an alarm (18) is installed at one side of the top end of the first box body (, the bottom of mount pad (31) is provided with first control circuit (7), and the bottom of first control circuit (7) is connected with control switch (8)'s top.

2. An arrangement for protecting a converter module according to claim 1, characterized in that: the two sides of the bottom end inside the second box body (5) on the two sides of the converter module (16) are vertically provided with heat dissipation plates (15), the periphery of each heat dissipation plate (15) is uniformly provided with heat dissipation fins (1502), and the front surface and the back surface of each heat dissipation plate (15) are uniformly provided with heat dissipation holes (1501).

3. An arrangement for protecting a converter module according to claim 1, characterized in that: fuse (29) are installed to the intermediate position department on mount pad (31) top, and evenly install fixture block (33) in the bottom of fuse (29), the top of mount pad (31) be provided with fixture block (33) assorted draw-in groove (32), can constitute the block structure between draw-in groove (32) and fixture block (33), draw-in groove (32) all are "T" shape with fixture block (33) simultaneously.

4. An arrangement for protecting a converter module according to claim 1, characterized in that: the two sides of the front surface of the first box body (3) are hinged with door bodies (34) through hinges, and the door bodies (34) can form a rotating mechanism with the first box body (3) through the hinges.

5. An arrangement for protecting a converter module according to claim 1, characterized in that: the bottom of second box (5) inside is provided with spout (19), and the both sides of spout (19) inside all are provided with spout (19) assorted slider (20), and the equal vertical current conducting plate (21) of installing in top of slider (20), mounting (22) are evenly installed to one side of second box (5) inner wall, and the one end of mounting (22) installs wire guide plate (23), wire guide plate (23) are close to lateral wall that slider (20) one side all transversely install spring (24) that are connected with slider (20), and all install second driving motor (25) on the wire guide plate (23) lateral wall of spring (24) inboard, electric putter (26) are installed to the output of second driving motor (25), and the one end of electric putter (26) is connected with one side of current conducting plate (21).

6. An arrangement for protecting a converter module according to claim 1, characterized in that: the mounting panel (1) is all vertically installed to the both sides of first box (3), and mounting part (11) are all installed to the upper end in mounting panel (1) outside and lower extreme, are provided with the locating hole simultaneously on mounting part (11).