CN219371999U - Relay protection device for distributed power distribution network - Google Patents

Abstract

The utility model discloses a relay protection device for a distributed power distribution network, which comprises a base. The inside of the body is provided with a relay protection device main body, the left and right sides of the housing are respectively fixedly connected with a water guide tank and a water storage tank, the inside of the water storage tank is fixedly connected with a partition, and the right side of the water storage tank is fixedly connected with There is a forward and reverse motor, the left side of the forward and reverse motor is fixedly connected with a drive wheel arranged inside the water storage tank, and the left side of the drive wheel is fixedly connected with a rotating shaft extending into the housing. The distributed power distribution network relay protection device can not only achieve a good heat dissipation effect on the relay protection device, but also solve the problem that simple spring shock absorption easily increases the shaking and instability of the device.

Description

A relay protection device for distributed power distribution network

technical field

The utility model relates to the technical field of electric power equipment, in particular to a relay protection device for a distributed power distribution network.

Background technique

Distributed power supply is a new type of power supply system completely different from the traditional power supply mode. In order to meet the needs of specific users or support the economic operation of the existing distribution network, it is arranged near the user in a decentralized manner, and the power generation is from several kilowatts to fifty megawatts. Watt small modular, independent power supply compatible with the environment, and the relay protection device refers to when the power components (such as generators, lines, etc.) in the power system or the power system itself fail to endanger the safe operation of the power system, it can An automated device that issues a timely warning signal to the operating on-duty personnel, or directly issues a trip command to the controlled circuit breaker to terminate the development of these events.

In Chinese patent CN 112421451 B, a relay protection device is disclosed, which includes a housing, a relay protection device body and a baffle, and a heat-absorbing coil is installed in the housing, and one end of the heat-absorbing coil is connected to a water pump, and the other One end communicates with an open-type cold water tank. The water pump pumps the cold water in the open-type cold water tank into the heat-absorbing coil through the water inlet pipe. After absorbing heat, the temperature of the cold water in the heat-absorbing coil rises and flows back into the open-type cold water tank. Mix with the original cold water; there is an air inlet on one side of the shell, and a heat dissipation fan is installed at the position of the air intake, and an air outlet is opened on the other side of the shell, and an air outlet cover is installed outside the air outlet, and a heat dissipation fan The external cold air is blown into the housing, and the air circulation blows the heat generated by the relay protection device body into the air outlet cover through the air outlet. Implementing the relay protection device of the present invention improves the heat dissipation performance, can damp the relay protector, and avoids damage to its internal electrical components caused by external vibrations. Since the above-mentioned device only uses the spring for shock absorption, and the spring will recover its deformation after absorbing the shock, it cannot achieve a good shock absorption effect on the relay protection device, but instead increases the shock resistance of the relay protection device when it is vibrated. Shaky and unstable.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a distributed power distribution network relay protection device, the distributed power distribution network relay protection device can not only achieve good protection for the relay protection device Excellent heat dissipation effect, and at the same time solve the problem that the simple spring shock absorption is easy to increase the shaking and instability of the device.

In order to achieve the above purpose, the utility model provides the following technical solutions: a distributed power distribution network relay protection device, including a base, the upper surface of the base is fixedly connected with a housing, and a There is a shock absorbing mechanism, the inside of the housing is provided with a relay protection device main body, the left and right sides of the housing are respectively fixedly connected with a water guide tank and a water storage tank, and the inside of the water storage tank is fixedly connected with a partition, so The right side of the water storage tank is fixedly connected with a forward and reverse motor, the left side of the forward and reverse motor is fixedly connected with a driving wheel arranged inside the water storage tank, and the left side of the driving wheel is fixedly connected with a The left side of the rotating shaft is fixedly connected with a fan blade, the outer side of the driving wheel is engaged with a driven wheel, and the top of the driven wheel is fixedly connected with a threaded shaft that passes through the partition and is rotatably connected with the partition. The outer side of the threaded shaft is threaded with a piston plate, the left side of the water storage tank is plugged with a water guide pipe that passes through the shell and extends to the inside of the water guide box, and the front of the shell is provided with a box door.

Preferably, the shock absorbing mechanism includes a backing plate slidably connected inside the housing and shock absorbing grooves respectively provided on both sides of the upper surface of the base, and guide rods are fixedly connected to the inside of the shock absorbing grooves, and the guide rods The outer side of the sliding connection is a slider that is slidably connected to the inside of the shock-absorbing groove, and the shock-absorbing spring that is arranged on the outside of the guide rod is fixedly connected between the slider and the inner wall of the shock-absorbing groove, and the rotation between the slider and the backing plate A strut is connected, and the bottom of the backing plate is fixedly connected with a shock absorber arranged on the upper surface of the base.

Preferably, self-locking universal wheels are provided on the lower surface of the base.

Preferably, a cooling hole is opened on the left side of the housing.

Preferably, the water conduit inside the housing surrounds the outside of the main body of the relay protection device.

Preferably, a semiconductor refrigerator is arranged on the water guide tank.

The beneficial effects of the utility model are:

1. When in use, the driving wheel can be driven to rotate clockwise and counterclockwise periodically through the forward and reverse motor, and when the driving wheel rotates, it will also drive the fan blades to rotate through the rotating shaft, and the wind generated by the fan blades can blow to the relay The main body of the protection device, so as to realize the air cooling and heat dissipation of the main body of the relay protection device. At the same time, when the driving wheel rotates, it will also drive the threaded shaft to rotate clockwise and counterclockwise through the engagement with the driven wheel, and then drive the piston plate up and down. Reciprocating movement, when the piston plate moves, it will press the water inside the water storage tank into the water guide tank through the water guide tube, and when the piston plate moves down, it will pump the water inside the water guide tank back into the water storage tank through the water guide tube, and the guide tube The water pipe surrounds the main body of the relay protection device, so in the process of circulation, the water flowing through the main body of the relay protection device inside the water pipe can absorb the heat emitted by the main body of the relay protection device, so as to further improve heat dissipation Effect;

2. When there is vibration in the outside world, the backing plate will move down and drive the sliders on both sides to move towards each other through the support rod, and when the sliders on both sides move towards each other, it will stretch the damping springs on both sides, and then through The elastic force generated when the shock spring is stretched plays a shock-absorbing effect on the main body of the relay protection device on the backing plate, and at the same time, the shock absorber is used to suppress the shock generated when the shock-absorbing spring rebounds after absorbing shock, so as to improve the shock-absorbing effect , to solve the problem that simple spring shock absorption is easy to increase the shaking and instability of the device.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic diagram of the internal structural components of the shock absorbing tank of the present invention;

Fig. 3 is a schematic diagram of the housing structure assembly of the utility model;

Fig. 4 is a schematic diagram of the internal structural components of the water storage tank of the present invention.

Symbols in the figure: 1, base; 2, shell; 3, backing plate; 4, shock absorbing groove; 5, guide rod; 6, slider; 7, shock absorbing spring; 8, strut; 9, shock absorber 10. The main body of the relay protection device; 11. The water guide tank; 12. The water storage tank; 13. The clapboard; 14. The forward and reverse motor; 15. The driving wheel; 16. The rotating shaft; 19, threaded shaft; 20, piston plate; 21, water guide pipe; 22, box door.

Detailed ways

The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

Embodiment one

A distributed power distribution network relay protection device as shown in Figure 1-4, including a base 1, the upper surface of the base 1 is fixedly connected with a housing 2, and the left side of the housing 2 is provided with cooling holes for easy installation The heat inside the shell 2 is discharged, and a shock absorbing mechanism is arranged between the shell 2 and the base 1. The shock absorbing mechanism includes a backing plate 3 slidably connected inside the shell 2 and shock absorbing plates respectively set on both sides of the upper surface of the base 1. The inside of the groove 4 and the shock-absorbing groove 4 are all fixedly connected with a guide rod 5, and the outside of the guide rod 5 is slidably connected with a slider 6 that is slidably connected to the inside of the shock-absorbing groove 4, and the slider 6 is fixed to the inner wall of the shock-absorbing groove 4. A damping spring 7 arranged on the outside of the guide rod 5 is connected, a strut 8 is rotatably connected between the slider 6 and the backing plate 3, and the bottom of the backing plate 3 is fixedly connected with a shock absorber 9 arranged on the upper surface of the base 1. The inside of the housing 2 is provided with a relay protection device main body 10, and the left and right sides of the housing 2 are respectively fixedly connected with a water guide box 11 and a water storage tank 12. The water inside 11 is cooled and lowered in temperature, the inside of the water storage tank 12 is fixedly connected with a partition 13, the right side of the water storage tank 12 is fixedly connected with a forward and reverse motor 14, and the left side of the forward and reverse motor 14 is fixedly connected with a 12 inside the driving wheel 15, the left side of the driving wheel 15 is fixedly connected with a rotating shaft 16 extending to the inside of the housing 2, the left side of the rotating shaft 16 is fixedly connected with a fan blade 17, and the outer side of the driving wheel 15 is meshed with a driven wheel 18, from The top of the moving wheel 18 is fixedly connected with a threaded shaft 19 that passes through the partition 13 and is rotatably connected with the partition 13. The outer side of the threaded shaft 19 is threaded with a piston plate 20. And extend to the water guide pipe 21 inside the water guide box 11, the water guide pipe 21 inside the housing 2 surrounds the outside of the relay protection device main body 10, so that the water inside the water guide pipe 21 flows through the relay protection device main body 10, better To absorb the heat emitted by the main body 10 of the relay protection device, the front of the housing 2 is provided with a box door 22. When in use, the driving wheel 15 can be driven by the forward and reverse motor 14 to rotate clockwise and counterclockwise periodically, and the active wheel When the wheel 15 rotates, the fan blade 17 will be driven to rotate through the rotating shaft 16, and the wind generated when the fan blade 17 rotates can be blown to the main body 10 of the relay protection device, so as to realize the air cooling and heat dissipation of the main body 10 of the relay protection device. At the same time, When the driving wheel 15 rotates, it will also drive the threaded shaft 19 to rotate clockwise and counterclockwise periodically through the engagement with the driven wheel 18, and then drive the piston plate 20 to reciprocate up and down. Press the water inside the water storage tank 12 into the water guide tank 11, and when the piston plate 20 moves down, the water inside the water guide tank 11 will be drawn back to the water storage tank 12 through the water guide tube 21, and the water guide tube 21 is surrounded by the relay The water outside the protection device main body 10 can absorb the heat dissipated by the protection device main body 10 to further improve the cooling effect.

When there is vibration in the outside world, the backing plate 3 will move down and drive the sliders 6 on both sides to move opposite to each other through the pole 8, and when the sliders 6 on both sides move opposite to each other, the shock absorbing springs 7 on both sides will be stretched. Furthermore, the elastic force produced when the shock-absorbing spring 7 is stretched plays a shock-absorbing effect on the relay protection device main body 10 on the upper side of the backing plate 3. Vibration, so as to improve the shock absorption effect, solve the problem that the simple spring shock absorption is easy to increase the shaking and instability of the device.

Embodiment two

Referring to Fig. 1, as another preferred embodiment, the difference from the first embodiment is that the lower surface of the base 1 is provided with self-locking universal wheels, which facilitate the movement of the device.

Finally, it should be noted that: the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a distributed power distribution network overload protection device, includes base (1), its characterized in that: the utility model discloses a water storage device, including base (1) and water storage tank (13), base (1), shell (2) are fixedly connected with on the upper surface, be provided with damper between shell (2) and base (1), the inside of shell (2) is provided with relay protection device main part (10), the left and right sides of shell (2) are fixedly connected with water guide tank (11) and storage tank (12) respectively, the inside fixedly connected with baffle (13) of storage tank (12), the right side fixedly connected with positive and negative rotation motor (14) of storage tank (12), the left side fixedly connected with of positive and negative rotation motor (14) sets up action wheel (15) in inside water storage tank (12), the left side fixedly connected with of action wheel (15) extends to pivot (16) in inside shell (2), the left side fixedly connected with flabellum (17) of pivot (16), the outside meshing of action wheel (15) has driven wheel (18), the top fixedly connected with of driven wheel (18) passes baffle (13) and with screw thread shaft (19) of baffle (13) swivelling connection, the outside thread connection of screw shaft (19) has board (20), the left side fixedly connected with of action wheel (15) extends to water guide pipe (21) inside water guide tank (2) of shell (21), the front of the shell (2) is provided with a box door (22).

2. The relay protection device for a distributed power distribution network according to claim 1, wherein: the damping mechanism comprises a base plate (3) which is slidably connected to the inside of the shell (2) and damping grooves (4) which are respectively formed in two sides of the upper surface of the base (1), guide rods (5) are fixedly connected to the inside of the damping grooves (4), sliding blocks (6) which are slidably connected to the outside of the guide rods (5) are fixedly connected to the inner walls of the damping grooves (4), damping springs (7) which are arranged on the outer sides of the guide rods (5) are fixedly connected between the sliding blocks (6) and the inner walls of the damping grooves (4), supporting rods (8) are rotatably connected between the sliding blocks (6) and the base plate (3), and shock absorbers (9) which are arranged on the upper surface of the base (1) are fixedly connected to the bottom of the base plate (3).

3. The relay protection device for a distributed power distribution network according to claim 1, wherein: the lower surface of the base (1) is provided with a self-locking universal wheel.

4. The relay protection device for a distributed power distribution network according to claim 1, wherein: and a radiating hole is formed in the left side of the shell (2).

5. The relay protection device for a distributed power distribution network according to claim 1, wherein: the water guide pipe (21) in the shell (2) surrounds the outer side of the relay protection device main body (10).

6. The relay protection device for a distributed power distribution network according to claim 1, wherein: the water guide tank (11) is provided with a semiconductor refrigerator.