CN218733925U

CN218733925U - Photovoltaic inverter with stable performance

Info

Publication number: CN218733925U
Application number: CN202223254088.9U
Authority: CN
Inventors: 王洪广; 董晓旭; 耿爱红; 孙强; 邱友祥
Original assignee: Henan Xinshengyuan Solar Energy Technology Co ltd
Current assignee: Henan Xinshengyuan Solar Energy Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-24
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to a photovoltaic inverter apparatus technical field specifically is a photovoltaic inverter with stable ability, but including fixed connection at dc-to-ac converter body upper end spacing fixture block and fixed connection at the bottom plate inner wall absorbing spring, the spreader that the top fixedly connected with of fixture block side can support, rotatable solar panel has been cup jointed to the surface of spreader, but the bottom fixed mounting of dc-to-ac converter body side has radiating heat dissipation fan, but the bottom of dc-to-ac converter body side is pegged graft and is had the bolt that can switch on. This photovoltaic inverter with stable ability, through the setting of dc-to-ac converter body, bottom plate and spring, constructor can install the dc-to-ac converter body in the upper end of bottom plate, and the spring can play the absorbing effect, is favorable to making the dc-to-ac converter body can not receive great external influence and damage at the in-process that uses, and stability is stronger to can carry out certain power supply through solar panel, make the dc-to-ac converter body more stable at the during operation.

Description

Photovoltaic inverter with stable performance

Technical Field

The utility model relates to a photovoltaic inverter apparatus technical field specifically is a photovoltaic inverter with stable ability.

Background

The photovoltaic inverter can convert variable direct-current voltage generated by a photovoltaic solar panel into an inverter of commercial power frequency alternating current, and can feed back the variable direct-current voltage to a commercial power transmission system or an off-grid power grid, the photovoltaic inverter is one of important system balances in a photovoltaic array system and can be used in cooperation with equipment of general alternating current power supply, the solar inverter has special functions in cooperation with a photovoltaic array, such as functions of maximum power point tracking and island effect protection, when constructors use the inverter, the inverter is not enough to be greatly influenced by the outside after being installed, the working stability is poor, and the condition of short circuit possibly occurs due to the fact that heat generated during internal work is not dissipated, the power transmission stability is poor, so that the photovoltaic inverter with the stable performance and convenient to use is needed.

Chinese patent publication No. CN207184342U discloses a photovoltaic inverter with stable ability, including the photovoltaic inverter body, the positive fixedly connected with radiator fan safety cover of photovoltaic inverter body, the inside of radiator fan safety cover is provided with radiator fan, one side of radiator fan is provided with the motor, one side of motor is provided with the semiconductor refrigeration piece, the both sides face of photovoltaic inverter all bonds there is heat conduction silicone grease layer, one side of heat conduction silicone grease layer is provided with the fin, the fixed hangers of photovoltaic inverter's top fixedly connected with, the screw has been worn on the fixed hangers, the utility model discloses be provided with radiator fan and semiconductor refrigeration piece in the outside of photovoltaic inverter body, the effect of fan and fin is mainly that the hot junction heat dissipation of refrigeration for the piece, has accelerated heat dissipation rate, has promoted the stability of photovoltaic inverter, has improved photovoltaic power plant's work efficiency, has prolonged photovoltaic inverter's life.

However, the photovoltaic inverter with stable performance has the following problems in practical use:

1. when a constructor uses the inverter, the stability of the inverter after installation is insufficient, the inverter is greatly influenced by the outside, and the working stability is poor;

2. and the heat generated during the internal work is not easy to dissipate, the short circuit condition may occur, and the power transmission stability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a photovoltaic inverter with stable ability has solved constructor and has used the dc-to-ac converter, and the stability is not enough to be influenced by external world greatly after the dc-to-ac converter installation, and job stabilization nature is relatively poor to the heat dissipation that inside during operation produced is inconvenient the condition that the short circuit may appear, the relatively poor problem of transmission of electricity stability.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a photovoltaic inverter with stable ability, but includes that fixed connection can spacing fixture block and fixed connection at the bottom plate inner wall absorbing spring in dc-to-ac converter body upper end, the spreader that the top fixedly connected with of fixture block side can support, rotatable solar panel has been cup jointed to the surface of spreader, but the bottom fixed mounting of dc-to-ac converter body side has radiating heat dissipation fan, but the bottom of dc-to-ac converter body side is pegged graft and is had the bolt that can switch on, the dc-to-ac converter body side is close to one side joint of bolt has protectable protection shield.

Optionally, an observable window is formed in the top of the side face of the inverter body, a clamping bolt is connected to the top of the side face of the inverter body through threads, and one end of the clamping bolt penetrates through the inverter body and penetrates through the solar panel.

Optionally, a detachable connection plate is inserted into the lower end of the inverter body, and the lower end of the connection plate is fixedly connected to the top end of the spring.

Optionally, one side of the outer surface of the bolt is in threaded connection with a detachable threaded column, and one end of the threaded column penetrating through the bolt is threaded in the inverter body.

Optionally, a collection box capable of being pulled out is inserted into the top of the side face of the inverter body, and a pull handle is fixedly connected to the middle of the side face of the collection box.

Optionally, the outer surface of the plug pin is fixedly connected with an insulating pad capable of insulating, and one side of the plug pin is provided with an external wiring harness.

(III) advantageous effects

The utility model provides a photovoltaic inverter with stability can possesses following beneficial effect:

1. this photovoltaic inverter with stable ability, through the setting of dc-to-ac converter body, bottom plate and spring, constructor can install the dc-to-ac converter body in the upper end of bottom plate, and the spring can play absorbing effect, is favorable to making the dc-to-ac converter body can not receive great external influence and damage at the in-process that uses, and stability is stronger to can carry out certain power supply through solar panel, make the dc-to-ac converter body more stable at the during operation.

2. This photovoltaic inverter with stable ability, through the setting of heat dissipation fan and protection shield, constructor can open the heat dissipation fan, and the heat dissipation fan can dispel the inside heat that produces at the during operation of inverter body, and the condition of short circuit appears in the inside high temperature when preventing the inverter body to use, and the protection shield can protect the bolt, is favorable to strengthening the transmission of electricity stability to the inverter body.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of the structure of the connection plate of the present invention;

fig. 4 is a schematic diagram of the structure of the protection plate of the present invention.

In the figure: 1. an inverter body; 2. a clamping block; 3. a base plate; 4. a spring; 5. a cross post; 6. a solar panel; 7. a heat dissipation fan; 8. a bolt; 9. a protection plate; 10. a window; 11. a connector tile; 12. a threaded post; 13. a collection box; 14. a handle; 15. clamping the bolt; 16. an insulating pad.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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 to 4, the present invention provides a technical solution: a photovoltaic inverter with stable performance comprises a fixture block 2 which is fixedly connected to the upper end of an inverter body 1 and can be limited, an observable window 10 is formed in the top of the side surface of the inverter body 1, a constructor can observe the condition inside the inverter body 1 through the window 10, a clamping bolt 15 is connected with the top of the side surface of the inverter body 1 through a thread, and the clamping bolt 15 penetrates through one end of the inverter body 1 and is arranged inside a solar panel 6 in a penetrating mode;

the detachable connection plate 11 is inserted at the lower end of the inverter body 1, construction personnel can change the light receiving direction and range by adjusting different directions of the solar panel 6, the use and adjustment are convenient, the solar panel 6 is electrically connected with an external circuit through a wire, the construction personnel can install the inverter body 1 at the upper end of the bottom plate 3, and the spring 4 can play a role in shock absorption, so that the inverter body 1 cannot be damaged by large external influence in the use process;

the lower end of the connecting plate 11 is fixedly connected to the top end of the spring 4, the connecting plate is fixedly connected to the spring 4 which is capable of absorbing shock and arranged on the inner wall of the bottom plate 3, a damping rod is arranged inside the spring 4, the situation that the inverter body 1 slides and shakes after installation of constructors is prevented, the top of the side face of the clamping block 2 is fixedly connected with a cross column 5 which can be supported, and the outer surface of the cross column 5 is sleeved with a rotatable solar panel 6;

the solar panel 6 is electrically connected with the inverter body 1 through a wire, the bottom of the side surface of the inverter body 1 is fixedly provided with a heat dissipation fan 7 capable of dissipating heat, the bottom of the side surface of the inverter body 1 is inserted with a bolt 8 capable of being electrified, one side of the outer surface of the bolt 8 is in threaded connection with a detachable threaded column 12, a constructor can open the heat dissipation fan 7, and the heat dissipation fan 7 can dissipate heat generated in the inverter body 1 during working, so that the condition that short circuit occurs due to overhigh internal temperature when the inverter body 1 is used is prevented;

threaded column 12 runs through one end screw thread of bolt 8 and wears to establish the inside at inverter body 1, the top of inverter body 1 side is pegged graft and is had the collecting box 13 that can pull out, the middle part fixedly connected with that the collecting box 13 side can pull handle 14, but the outer fixed surface of bolt 8 is connected with insulating pad 16 that can insulate, one side of bolt 8 is provided with external pencil, one side joint that inverter body 1 side is close to bolt 8 has protectable protection shield 9, constructor can place the instrument that needs to use in the inside of collecting box 13 and collect, insulating pad 16's setting has strengthened constructor's security to the use of bolt 8.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The utility model discloses in, the device's working procedure as follows:

1. firstly, constructors can install the inverter body 1 at the upper end of the bottom plate 3, and the spring 4 can play a role in damping, so that the inverter body 1 cannot be damaged by large external influence in the using process;

2. secondly, the heat dissipation fan 7 can be opened by a constructor, the heat generated in the inverter body 1 during working can be dissipated by the heat dissipation fan 7, and the situation that the internal temperature is too high and short circuit occurs when the inverter body 1 is used is prevented;

3. then, a constructor can install the protection board 9 on one side of the inverter body 1 close to the plug pin 8, and the protection board 9 can protect the plug pin 8 to enhance the power transmission stability of the inverter body 1;

4. finally, constructors can change the light receiving direction and range by adjusting different directions of the solar panel 6, and the use and the adjustment are convenient.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic inverter with stable ability, includes that fixed connection can be spacing fixture block (2) and fixed connection in bottom plate (3) inner wall shock-absorbing spring (4) in inverter body (1) upper end, its characterized in that: the novel photovoltaic inverter is characterized in that a supportable cross post (5) is fixedly connected to the top of the side face of the clamping block (2), a rotatable solar panel (6) is sleeved on the outer surface of the cross post (5), a heat dissipation fan (7) capable of dissipating heat is fixedly mounted at the bottom of the side face of the inverter body (1), a bolt (8) capable of being electrified is inserted into the bottom of the side face of the inverter body (1), and a protective plate (9) capable of being protected is clamped on one side, close to the bolt (8), of the side face of the inverter body (1).

2. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: observable window (10) have been seted up at the top of inverter body (1) side, the top threaded connection of inverter body (1) side has chucking bolt (15), chucking bolt (15) run through one end screw thread of inverter body (1) is worn to establish the inside of solar panel (6).

3. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: the lower end of the inverter body (1) is connected with a detachable connecting plate (11) in an inserting mode, and the lower end of the connecting plate (11) is fixedly connected to the top end of the spring (4).

4. The pv inverter with stable performance as claimed in claim 1, wherein: one side of the outer surface of the bolt (8) is in threaded connection with a detachable threaded column (12), and one end of the threaded column (12) penetrating through the bolt (8) is threaded in the inverter body (1).

5. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: the top of the side surface of the inverter body (1) is inserted with a collection box (13) which can be pulled out, and the middle part of the side surface of the collection box (13) is fixedly connected with a pull-able handle (14).

6. The photovoltaic inverter with the stable performance as set forth in claim 1, wherein: but the fixed surface of bolt (8) is connected with insulating pad (16), one side of bolt (8) is provided with external pencil.