CN216721745U

CN216721745U - Soft starter of single-phase photovoltaic water pump dc-to-ac converter

Info

Publication number: CN216721745U
Application number: CN202122818724.5U
Authority: CN
Inventors: 陈新
Original assignee: Shenzhen Ada New Energy Co ltd
Current assignee: Shenzhen Ada New Energy Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-10
Anticipated expiration: 2031-11-17

Abstract

The utility model belongs to the related technical field of soft starters, and particularly relates to a soft starter of a single-phase photovoltaic water pump inverter, which comprises a protective box body, a sealing cover plate and a soft starter main body, wherein the sealing cover plate is detachably arranged at the top end of the protective box body, the surface of the inner wall of the protective box body is provided with a plurality of card slots, the inner wall of each card slot is connected with a damping mechanism, one end of each damping mechanism is connected with a damping plate, and the inner wall of each damping plate is provided with a damping slot. According to the utility model, the inner tube moves up and down in the buffer groove through the buffer spring in the buffer sleeve, so that the mechanical kinetic energy generated by the water pump is reduced, when aftershock is transmitted to the damping plate, the stable plate is prevented from shaking under the action of the upper spring and the lower spring, and if slight shaking occurs, the mechanical kinetic energy is slowed down through the arranged buffer gasket, so that the situation that parts or precision equipment in the soft starter are damaged is avoided.

Description

Soft starter of single-phase photovoltaic water pump dc-to-ac converter

Technical Field

The utility model belongs to the technical field of soft starters, and particularly relates to a soft starter of a single-phase photovoltaic water pump inverter.

Background

The soft starter is a motor control device integrating the functions of soft starting, soft stopping, light load energy saving and multiple protection functions of a motor, not only can smoothly start the motor without impact in the whole starting process be realized, but also parameters in the starting process, such as a current limiting value, starting time and the like, can be adjusted according to the characteristics of the load of the motor.

The prior art has the following problems: at present, a soft starter used by a water pump inverter on the market can generate mechanical kinetic energy when a water pump works, and parts or precision equipment inside the soft starter are easy to damage in a long-time vibration process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a soft starter of a single-phase photovoltaic water pump inverter, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a soft starter of a single-phase photovoltaic water pump inverter comprises a protection box body, a sealing cover plate and a soft starter main body, wherein the sealing cover plate is detachably mounted at the top end of the protection box body;

the top of protection box is provided with sealed apron, the edge part of sealed apron bottom is connected with and is used for sealed rubber seal gasket, the surface of sealed apron bottom is provided with the electric telescopic handle who is used for fixed shock attenuation board, the electric telescopic handle output is connected with the second and connects the pad.

Preferably, damper includes buffer tube, connection iron plate and connection base plate, the dashpot has been seted up to buffer tube's inner wall, the bottom of buffer tube inner wall is connected with the slow down spring that is used for the buffering, buffer tube is connected with the inner tube through slow down spring.

Preferably, the damping part comprises an upper spring, a lower spring, a stabilizing plate and a buffer gasket, one end of the upper spring is connected with the top end of the inner wall of the damping groove, the other end of the upper spring is connected with the surface of the stabilizing plate, one end of the lower spring is connected with the bottom of the inner wall of the damping groove, and the other end of the lower spring is connected with the bottom of the stabilizing plate.

Preferably, the surfaces of the two ends of the protective box body are both connected with radiating fins for radiating, the back surfaces of the radiating fins are connected with heat-conducting copper rods, and one ends of the heat-conducting copper rods are connected with heat-absorbing copper plates.

Preferably, the edge portions of the surfaces of the two ends of the protection box body are connected with side protection base bodies, the two ends of each side protection base body are connected with fixing bolts for fixing, and rubber bulges for protecting the radiating fins are arranged on the surfaces of the side protection base bodies.

Preferably, the surface of the protective box body is provided with a fixed base plate, the surface of the fixed base plate is in threaded connection with a connecting bolt, and the side surface of the fixed base plate is provided with a fixed port for connecting external equipment.

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

1. according to the utility model, the inner tube moves up and down in the buffer groove through the buffer spring in the buffer sleeve, so that the mechanical kinetic energy generated by the water pump is reduced, when aftershock is transmitted to the damping plate, the stable plate is prevented from shaking under the action of the upper spring and the lower spring, and if slight shaking occurs, the mechanical kinetic energy is slowed down through the arranged buffer gasket, so that the situation that parts or precision equipment in the soft starter are damaged is avoided.

2. If the soft starter generates heat during operation, the heat is conducted into the radiating fins through the heat-conducting copper rods by the heat-absorbing copper plate, and the heat is radiated by the radiating fins to achieve the purpose of cooling.

Drawings

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

FIG. 2 is a schematic diagram of an exploded view of the present invention;

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

FIG. 4 is a schematic cross-sectional view of the damping plate according to the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure: 1. a protective box body; 2. sealing the cover plate; 3. a side protective base; 4. a rubber bulge; 5. heat dissipation fins; 6. fixing the substrate; 601. a fixed port; 7. a connecting bolt; 8. a card slot; 9. fixing the bolt; 10. an electric telescopic rod; 11. a rubber sealing gasket; 12. a stabilizing plate; 13. connecting the main board; 14. a cushion pad; 15. a first connection pad; 16. connecting the iron plates; 17. a buffer sleeve; 18. a damper plate; 19. a second connection pad; 20. a soft starter main body; 21. a heat absorbing copper plate; 22. a thermally conductive copper rod; 23. an upper spring; 24. and a lower spring.

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.

Referring to fig. 1-5, the present invention provides a soft starter for a single-phase photovoltaic water pump inverter, which comprises: including protection box 1, sealed apron 2 and soft starter main part 20, the separable installation on the top of protection box 1 of sealed apron 2, a plurality of card slot 8 has been seted up on the surface of protection box 1 inner wall, the inner wall connection of card slot 8 has damper, damper's one end is connected with shock attenuation board 18, the shock attenuation groove has been seted up to the inner wall of shock attenuation board 18, the inner wall in shock attenuation groove is provided with the shock attenuation part, there is the connection mainboard 13 that is used for fixed soft starter main part 20 on the surface of shock attenuation part through bolted connection, the surface of shock attenuation board 18 is provided with the first connection pad 15 of a plurality of.

The top of protection box 1 is provided with sealed apron 2, and the edge part of sealed apron 2 bottom is connected with and is used for sealed rubber seal gasket 11, and the surface of sealed apron 2 bottom is provided with the electric telescopic handle 10 that is used for fixed shock attenuation board 18, and electric telescopic handle 10 output is connected with second connection pad 19.

Specifically, damper includes buffer tube 17, connection iron plate 16 and connection substrate, and the dashpot has been seted up to buffer tube 17's inner wall, and the bottom of buffer tube 17 inner wall is connected with the speed reducing spring that is used for the buffering, and buffer tube 17 is connected with the inner tube through speed reducing spring. The inner pipe moves up and down in the buffer groove through the buffer spring in the buffer sleeve 17, so that the mechanical kinetic energy generated by the water pump is reduced.

Specifically, the damping member includes an upper spring 23, a lower spring 24, a stabilizing plate 12 and a cushion pad 14, one end of the upper spring 23 is connected to the top end of the inner wall of the damping groove, and the other end is connected to the surface of the stabilizing plate 12, one end of the lower spring 24 is connected to the bottom of the inner wall of the damping groove, and the other end is connected to the bottom of the stabilizing plate 12. Through the effect of upper spring 23 and lower spring 24, stabilizer plate 12 is avoided rocking, if take place slightly when rocking, make mechanical kinetic energy slow down through the buffer spacer 14 that sets up to the condition of avoiding soft starter inside part or precision equipment to take place to damage.

Specifically, the surfaces of the two ends of the protective box 1 are connected with heat dissipation fins 5 for dissipating heat, the back of each heat dissipation fin 5 is connected with a heat conduction copper rod 22, and one end of each heat conduction copper rod 22 is connected with a heat absorption copper plate 21. The heat is conducted into the heat dissipation fins 5 through the heat absorption copper plate 21 and the heat conduction copper rod 22, and the heat is dissipated through the heat dissipation fins 5, so that the purpose of cooling is achieved.

Specifically, the edge portions of the surfaces of the two ends of the protective box body 1 are connected with side protective base bodies 3, the two ends of each side protective base body 3 are connected with fixing bolts 9 for fixing, and rubber protrusions 4 used for protecting the radiating fins 5 are arranged on the surfaces of the side protective base bodies 3. The side protection base body 3 is fixed on the surface of the protection box body 1 through the fixing bolt 9, so that the rubber bulge 4 protects the radiating fins of the radiating fins 5.

Specifically, the surface of the protective box 1 is provided with a fixed substrate 6, the surface of the fixed substrate 6 is connected with a connecting bolt 7 through a thread, and a fixed opening 601 for connecting an external device is formed in the side surface of the fixed substrate 6. The fixing port 601 is arranged to facilitate the fixing of the device body on the surface of the water pump.

The working principle and the using process of the utility model are as follows: after the device is installed, when a water pump works, an inner pipe moves up and down in a buffer groove through a buffer spring in a buffer sleeve 17, so that mechanical kinetic energy generated by the water pump is reduced, when aftershocks are transmitted to a damping plate 18, the stabilizing plate 12 is prevented from shaking under the action of an upper spring 23 and a lower spring 24, if slight shaking occurs, the mechanical kinetic energy is reduced through a buffer gasket 14, so that damage to parts or precision equipment in the soft starter is avoided, if the soft starter generates heat during operation, the heat is transmitted into heat-radiating fins 5 through a heat-absorbing copper plate 21 through a heat-conducting copper rod 22, and is dissipated through the heat-radiating fins 5, and the purpose of cooling is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a soft starter of single-phase photovoltaic water pump dc-to-ac converter, includes protection box (1), sealed apron (2) and soft starter main part (20), the separable top of installing at protection box (1) of sealed apron (2), its characterized in that: the protection box body is characterized in that a plurality of card slots (8) are formed in the surface of the inner wall of the protection box body (1), the inner wall of each card slot (8) is connected with a damping mechanism, one end of each damping mechanism is connected with a damping plate (18), the inner wall of each damping plate (18) is provided with a damping groove, the inner wall of each damping groove is provided with a damping part, the surface of each damping part is connected with a connecting main board (13) for fixing a soft starter main body (20) through bolts, and the surface of each damping plate (18) is provided with a plurality of first connecting pads (15);

the top of protection box (1) is provided with sealed apron (2), the edge part of sealed apron (2) bottom is connected with and is used for sealed rubber seal gasket (11), the surface of sealed apron (2) bottom is provided with electric telescopic handle (10) that are used for fixed shock attenuation board (18), electric telescopic handle (10) output is connected with second connection pad (19).

2. The soft starter of a single-phase photovoltaic water pump inverter according to claim 1, wherein: damper includes buffer tube (17), connection iron plate (16) and connection substrate, the dashpot has been seted up to the inner wall of buffer tube (17), the bottom of buffer tube (17) inner wall is connected with the slowing down spring that is used for the buffering, buffer tube (17) are connected with the inner tube through slowing down the spring.

3. The soft starter of a single-phase photovoltaic water pump inverter according to claim 1, wherein: the damping component comprises an upper spring (23), a lower spring (24), a stabilizing plate (12) and a buffer gasket (14), one end of the upper spring (23) is connected with the top end of the inner wall of the damping groove, the other end of the upper spring is connected with the surface of the stabilizing plate (12), one end of the lower spring (24) is connected with the bottom of the inner wall of the damping groove, and the other end of the lower spring is connected with the bottom of the stabilizing plate (12).

4. The soft starter of a single-phase photovoltaic water pump inverter according to claim 1, wherein: the surface at protection box (1) both ends all is connected with and is used for radiating heat radiation fin (5), the back connection of heat radiation fin (5) has heat conduction copper pole (22), the one end of heat conduction copper pole (22) is connected with endothermic copper (21).

5. The soft starter of a single-phase photovoltaic water pump inverter according to claim 1, wherein: the edge parts of the surfaces of the two ends of the protective box body (1) are connected with side protective base bodies (3), the two ends of each side protective base body (3) are connected with fixing bolts (9) used for fixing, and rubber protrusions (4) used for protecting the radiating fins (5) are arranged on the surfaces of the side protective base bodies (3).

6. The soft starter of a single-phase photovoltaic water pump inverter according to claim 1, wherein: the surface of the protection box body (1) is provided with a fixed base plate (6), the surface of the fixed base plate (6) is in threaded connection with a connecting bolt (7), and a fixed opening (601) used for connecting external equipment is formed in the side surface of the fixed base plate (6).