CN214380808U

CN214380808U - Damp-proof cabinet for photovoltaic inverter

Info

Publication number: CN214380808U
Application number: CN202120378104.1U
Authority: CN
Inventors: 李凤侠
Original assignee: Suzhou Juxian Electrical Technology Co ltd
Current assignee: Suzhou Juxian Electrical Technology Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-10-08
Anticipated expiration: 2031-02-18

Abstract

The utility model provides a dampproofing rack for photovoltaic inverter, the load simulator comprises a case, the bottom fixed mounting of machine incasement portion has the heating piece, the bottom of machine case is provided with first cavity, the equal fixed mounting in inside of first cavity both sides has two first connecting blocks, two the bottom of first connecting block is provided with the second connecting block, first cavity bottom is provided with dry plate, dry plate's both sides fixed mounting has two third connecting blocks, two the top of third connecting block is provided with buckle structure, buckle structure includes the joint pole, the surface of joint pole is provided with first spring. The utility model provides a pair of damp-proofing rack for photovoltaic inverter has the inside of blowing its air into quick-witted case, has reduced the humidity of quick-witted incasement portion to can make the work that quick-witted incasement portion's part can be stable, reduce the advantage of the phenomenon that the short circuit damaged appears.

Description

Damp-proof cabinet for photovoltaic inverter

Technical Field

The utility model relates to a photovoltaic grid-connected inverter field especially relates to a dampproofing rack for photovoltaic inverter.

Background

The photovoltaic power generation system in China is mainly a direct current system, namely, the electric energy generated by the solar cell is used for charging the storage battery, and the storage battery is used for directly supplying power to the load, for example, the solar energy user lighting system which is used more in northwest areas of China and the microwave station power supply system which is far away from a power grid are direct current systems. The system has simple structure and low cost, but the standardization and compatibility of the system are difficult to realize due to different direct-current voltages of loads, particularly civil power, and a photovoltaic power supply powered by direct-current power is difficult to enter the market as a commodity due to the fact that the system is mostly an alternating-current load.

The existing cabinet for the photovoltaic grid-connected inverter is generally applied to various perfect power conversion and access schemes provided for various renewable energy power generation systems such as solar photovoltaic power generation, wind power generation, fuel cell power generation, small-sized hydroelectric power generation and the like, and is mainly applied to the renewable energy grid-connected power generation system.

Therefore, it is necessary to provide a moisture-proof cabinet for a photovoltaic inverter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be current photovoltaic is rack for grid-connected inverter, use generally and provide various perfect power transform and access scheme for various renewable energy power generation systems such as solar photovoltaic power generation, wind power generation, fuel cell electricity generation, small-size hydroelectric power generation, mainly be applied to renewable energy and grid-connected power generation system, if the internal humidity of cabinet increases during nevertheless use, can lead to the inside circuit of device to appear the short circuit again, influence the device's steady operating condition, reduce the work efficiency of the cabinet body.

In order to solve the technical problems, the utility model provides a moistureproof cabinet for a photovoltaic inverter, which comprises a cabinet, wherein a heating block is fixedly arranged at the bottom inside the cabinet, a first cavity is arranged at the bottom of the cabinet, two first connecting blocks are fixedly arranged inside two sides of the first cavity, a second connecting block is arranged at the bottom of the two first connecting blocks, a drying plate is arranged at the bottom of the first cavity, two third connecting blocks are fixedly arranged at two sides of the drying plate, a buckling structure is arranged at the top of the two third connecting blocks, the buckling structure comprises a clamping rod, a first spring is arranged on the surface of the clamping rod, a fixing structure is arranged at the bottom of the third connecting block, the fixing structure comprises a fourth connecting block, a clamping groove is arranged at the top of the fourth connecting block, a pull rod is arranged inside the clamping groove, the left end fixed mounting of pull rod has the connecting plate, the top fixed mounting on connecting plate right side has the joint piece, the surface of pull rod is provided with the second spring.

Preferably, the bottom of the case is provided with a vent, a filter screen is arranged in the vent, and two sides of the filter screen are fixedly installed through second bolts.

Preferably, the front surface of the case is provided with air holes.

Preferably, the front surface of the case is fixedly provided with a display screen.

Preferably, the bottom of the case is fixedly provided with a support frame.

Preferably, the bottom of the first connecting block and the top of the second connecting block are fixedly installed through a first bolt, and a fan is fixedly installed on the right side of the second connecting block.

Compared with the prior art, the utility model provides a pair of damp-proofing rack for photovoltaic inverter has following beneficial effect:

the utility model provides a dampproofing rack for photovoltaic inverter. Through cooperation work between heating block and the fan can be effectively and quick go on to the air heating to blow its air into the inside of quick-witted case, reduced the humidity of quick-witted incasement portion, thereby can make the work that quick-witted incasement portion's part can be stable, reduce the phenomenon that the short circuit damaged appears.

Through the cooperation between buckle structure and the fixed knot structure can be quick go on to the change of drying plate, easy operation, stable in structure can reduce use cost

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a moisture-proof cabinet for a photovoltaic inverter provided in the present invention;

FIG. 2 is a schematic view of the overall front view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of the portion B shown in FIG. 1;

FIG. 5 is a schematic structural diagram of the fan shown in FIG. 1;

FIG. 6 is a schematic structural view of the heating block shown in FIG. 1;

in the figure: 1. a chassis; 2. a heating block; 3. a first cavity; 4. a first connection block; 5. a second connecting block; 6. a first bolt; 7. drying the plate; 8. a vent; 9. filtering with a screen; 10. a support frame; 11. air holes are formed; 12. a display screen; 13. a third connecting block; 14. a buckle structure; 141. a clamping and connecting rod; 142. a first spring; 15. a fixed structure; 151. a fourth connecting block; 152. a card slot; 153. a pull rod; 154. a connecting plate; 155. a clamping block; 156. a second spring; 16. a second bolt; 17. a fan.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a cabinet for a moisture-proof photovoltaic inverter according to the present invention; FIG. 2 is a schematic view of the overall front view of FIG. 1; FIG. 3 is an enlarged view of portion A of FIG. 1; FIG. 4 is an enlarged view of the portion B shown in FIG. 1; FIG. 5 is a schematic structural diagram of the fan shown in FIG. 1; fig. 6 is a schematic structural view of the heating block shown in fig. 1. A damp-proof cabinet for a photovoltaic inverter comprises a cabinet 1, wherein a heating block 2 is fixedly mounted at the bottom inside the cabinet 1, a first cavity 3 is arranged at the bottom of the cabinet 1, two first connecting blocks 4 are fixedly mounted inside two sides of the first cavity 3, a second connecting block 5 is arranged at the bottom of each first connecting block 4, a drying plate 7 is arranged at the bottom of the first cavity 3, two third connecting blocks 13 are fixedly mounted at two sides of the drying plate 7, a buckling structure 14 is arranged at the top of each third connecting block 13, the buckling structure 14 comprises a buckling rod 141, a first spring 142 is arranged on the surface of the buckling rod 141, a fixing structure 15 is arranged at the bottom of each third connecting block 13, the fixing structure 15 comprises a fourth connecting block 151, a clamping groove 152 is formed at the top of the fourth connecting block 151, a pull rod 153 is arranged inside the clamping groove 152, the left end of the pull rod 153 is fixedly provided with a connecting plate 154, the top of the right side of the connecting plate 154 is fixedly provided with a clamping block 155, and the surface of the pull rod 153 is provided with a second spring 156.

The second spring 156 is disposed at the right side of the fourth connecting block 151 and on the surface of the pull rod.

The fixing groove is formed at the bottom of the left side of the clamping rod 141.

A vent 8 is formed in the bottom of the case 1, a filter screen 9 is arranged inside the vent 8, and two sides of the filter screen 9 are fixedly mounted through second bolts 16.

The front surface of the case 1 is provided with an air hole 11.

The number of the ventilation holes 11 is four.

The front surface of the case 1 is fixedly provided with a display screen 12.

The bottom of the case 1 is fixedly provided with a support frame 10.

The bottom of the first connecting block 4 and the top of the second connecting block 5 are fixedly installed through a first bolt 6, and a fan 17 is fixedly installed on the right side of the second connecting block 5.

The utility model provides a pair of damp-proofing rack for photovoltaic inverter's theory of operation as follows:

carry out the air to the inside of getting into quick-witted case 1 through the drying plate 7 of third cavity 3 bottom and carry out basic drying, when meeting the moisture in the rainwater weather in the air when heavy or moist, through starting heating block 2 and fan 17 simultaneously, the rotation through fan 17 brings the outside air of quick-witted case 1 into the inside of third cavity 3, in the inside of getting into quick-witted case 1, the air carries out the quick heating to this air through heating block 2 when the inside of getting into quick-witted case 1 simultaneously and forms the inside that hot air stays at quick-witted case 1 to drive away the humidity of quick-witted case 1 inside.

The dust in the air is separated by the filter screen 9, and when the dust on the surface of the filter screen 9 is accumulated excessively, the filter screen 9 is taken out by taking out the second bolt 16 for periodic replacement or cleaning.

When the drying effect for the air is not good after the drying plate 7 is used for a long time, the pull rod 153 in the fixing structure is pushed to the left side to drive the connecting plate 154 and the clamping block 155 to move to the left side, so that the clamping rod 141 in the clamping structure 14 is enabled to be separated from the fixing state, the clamping rod 141 is pushed to move upwards through the elastic deformation of the first spring 142, the third connecting block 13 and the fourth connecting block 151 are enabled to be separated from the connecting state, and the drying plate 7 is taken out to be replaced.

When the fan 17 needs to be post-maintained, the fan 17 can be taken out for maintenance by taking out the first bolt 6.

the utility model provides a dampproofing rack for photovoltaic inverter can be effectively and quick through the cooperation work between heating block 2 and fan 17 to air heating, thereby blow into quick-witted case 1's inside with its air, reduced the humidity of quick-witted case 1 inside, thereby can make the work that quick-witted case 1 inside part can be stable, reduce the phenomenon that the short circuit damaged appears.

Through the cooperation between buckle structure 14 and the fixed knot structure 15 can be quick go on to the change of drying plate 7, easy operation, stable in structure can reduce use cost.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a dampproofing rack for photovoltaic inverter, includes quick-witted case, its characterized in that: the heating device is characterized in that a heating block is fixedly mounted at the bottom of the inside of the case, a first cavity is formed in the bottom of the case, two first connecting blocks are fixedly mounted in the insides of two sides of the first cavity, a second connecting block is arranged at the bottom of the two first connecting blocks, a drying plate is arranged at the bottom of the first cavity, two third connecting blocks are fixedly mounted at two sides of the drying plate, a buckling structure is arranged at the top of the two third connecting blocks, the buckling structure comprises a clamping rod, a first spring is arranged on the surface of the clamping rod, a fixing structure is arranged at the bottom of the third connecting block, the fixing structure comprises a fourth connecting block, a clamping groove is formed in the top of the fourth connecting block, a pull rod is arranged in the clamping groove, a connecting plate is fixedly mounted at the left end of the pull rod, and a clamping block is fixedly mounted at the top of the right side of the connecting plate, and a second spring is arranged on the surface of the pull rod.

2. The cabinet for the moisture-proof photovoltaic inverter of claim 1, wherein: the bottom of machine case has seted up the vent, the inside of vent is provided with the filter screen, the both sides of filter screen are through second bolt fixed mounting.

3. The cabinet for the moisture-proof photovoltaic inverter of claim 1, wherein: the front surface of the case is provided with air holes.

4. The cabinet for the moisture-proof photovoltaic inverter of claim 1, wherein: and the front surface of the case is fixedly provided with a display screen 2.

5. The cabinet for the moisture-proof photovoltaic inverter of claim 1, wherein: the bottom of the case is fixedly provided with a support frame.

6. The cabinet for the moisture-proof photovoltaic inverter of claim 1, wherein: the bottom of the first connecting block and the top of the second connecting block are fixedly installed through a first bolt, and a fan is fixedly installed on the right side of the second connecting block.