CN216564044U

CN216564044U - Photovoltaic grid-connected cabinet with dampproofing function

Info

Publication number: CN216564044U
Application number: CN202123035191.XU
Authority: CN
Inventors: 卢柏友
Original assignee: Guangxi Minhai Energy Co ltd
Current assignee: Guangxi Minhai Energy Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-17
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a photovoltaic grid-connected cabinet with a damp-proof function, which comprises a heat-insulating outer box, wherein a box cover for shading sun and shielding rain is arranged at the top of the heat-insulating outer box; the moisture absorption mechanism comprises a baffle plate arranged at the lower end in the heat insulation outer box, and a dehumidification cabin is arranged at the lower end of the baffle plate; heat dissipation and hydrofuge mechanism, including set up in the inside and lie in of thermal-insulated outer container the installation room of dehumidification cabin top, the both sides of installation room, upper end and rear portion are provided with a body structure and are the heat-conducting plate of box form, the top of installation room is provided with the negative pressure fan that is linked together rather than indoor, and the moisture that gets into the dehumidification cabin can be adsorbed by the drier in the box that absorbs moisture, and the drier adopts fire-retardant calcium chloride, and it has splendid steam adsorptivity to can absorb the moisture of self weight triple, the absorbed moisture can turn into the gel storage and absorb moisture in the box, and the great volume of box that absorbs moisture can maintain the longer time and need not to change the clearance.

Description

Photovoltaic grid-connected cabinet with dampproofing function

Technical Field

The utility model relates to the technical field of photovoltaic grid-connected cabinets, in particular to a photovoltaic grid-connected cabinet with a moisture-proof function.

Background

The photovoltaic grid-connected cabinet is characterized in that switch equipment, a measuring instrument, protective electrical equipment and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, the arrangement of the photovoltaic grid-connected cabinet meets the requirement of normal operation of a power system, the photovoltaic grid-connected cabinet is convenient to overhaul, and the safety of people and surrounding equipment is not endangered; however, the photovoltaic grid-connected cabinet in the prior art can produce more heat in the use, the lasting high temperature heat can influence the life and the performance of electrical components, simultaneously, the heat dissipation dehumidification is carried out through setting up through-hole and exhaust fan to the most photovoltaic grid-connected cabinet, the heat dissipation dehumidification effect of this kind of mode is relatively poor, especially when the cabinet sets up outdoors, rainwater moisture can invade the inside of photovoltaic grid-connected cabinet with higher speed, reduce its life, in view of this, we have proposed a photovoltaic grid-connected cabinet with dampproofing function to solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photovoltaic grid-connected cabinet with a moisture-proof function, which aims to overcome the defect of poor heat dissipation and moisture-proof effects in the background technology, and therefore, the utility model aims to provide the photovoltaic grid-connected cabinet with the moisture-proof function, which can perform double and rapid heat dissipation on hot air in an installation chamber and self heat of electrical elements, perform dehumidification while performing heat dissipation, and can perform continuous adsorption and collection on moisture in the installation chamber through a dehumidification cabin.

In order to achieve the purpose, the utility model provides the following technical scheme: a photovoltaic grid-connected cabinet with dampproofing function, it includes:

the top of the heat insulation outer box is provided with a box cover for shading sun and keeping off rain;

the moisture absorption mechanism comprises a baffle plate arranged at the lower end in the heat insulation outer box, and a dehumidification cabin is arranged at the lower end of the baffle plate;

the heat dissipation and dehumidification mechanism comprises an installation chamber arranged inside the heat insulation outer box and positioned above the dehumidification cabin, heat conduction plates which are of an integrated structure and box-shaped are arranged on two sides, the upper end and the rear portion of the installation chamber, and a negative pressure fan communicated with the inside of the installation chamber is arranged at the top of the installation chamber.

Preferably, a fixed integrated structure is arranged among the baffle, the heat conducting plate and the heat insulation outer box, the baffle is used for supporting the fixed heat conducting plate, a hollowed-out net which is through up and down is arranged at the middle part of the baffle, and the installation chamber is communicated with the dehumidification cabin through the hollowed-out net.

Preferably, the inside of dehumidification cabin is provided with the moisture absorption box that the upper end is open structure, the drier that can adsorb steam has been placed to the inside of moisture absorption box, be detachable construction between moisture absorption box and the dehumidification cabin.

Preferably, the negative pressure fan is installed at the top of the heat insulation outer box, a four-way cover communicated with the installation chamber is arranged at the bottom of the negative pressure fan, and an air outlet of the negative pressure fan is located below the box cover and communicated with the outside of the heat insulation outer box.

Preferably, the exhaust holes are formed in the two side walls of the heat-conducting plate and are uniformly distributed, the radiating fins are uniformly distributed on the two sides of the outer wall of the heat-conducting plate and are distributed in a staggered mode with the exhaust holes, the diversion chamber is further arranged at the junction of the heat-conducting plate and the heat-insulating outer box, the installation chamber is communicated with the diversion chamber through the exhaust holes, and the two sides of the four-way cover are communicated with the top of the diversion chamber.

Preferably, the front surface of the heat insulation outer box is provided with a box door matched with the heat insulation outer box, the box door is hinged with the heat insulation outer box, and supporting legs in contact with the ground are arranged on the periphery of the bottom of the heat insulation outer box.

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

through the arrangement of the moisture absorption mechanism, the moisture in the installation chamber can be absorbed by the desiccant in the moisture absorption box, absorbed moisture can be converted into gel to be stored in the moisture absorption box, the larger volume of the moisture absorption box can be maintained for a long time without replacement and cleaning, and the moisture absorption device is simple and practical.

(two) through the setting of heat dissipation and hydrofuge mechanism, during the operation, negative pressure fan accessible cross cover sucks the hot gas flow and the moisture in the installation room, and outside the direct discharge case, the heat-conducting plate can carry out quick absorption with the heat in the installation room and the heat that the electrical components installed on the heat-conducting plate gived off, and disperse to the nacelle in through the fin, meanwhile, negative pressure fan accessible cross cover extracts the hydrofuge to the steam in the nacelle, fin and heat-conducting plate also can last the absorption to the heat in the installation room in the cooling, thereby play dual radiating effect, in addition, the exhaust hole also can be with steam and the moisture in the installation room arrange to the nacelle, and then also play the effect of dehumidification, the structure is ingenious and practical.

Drawings

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

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

fig. 3 is a schematic external perspective view of the baffle of the present invention.

In the figure: 100. an insulating outer box; 110. a box cover; 120. a box door; 130. supporting legs; 200. a moisture absorption mechanism; 210. a baffle plate; 2101. hollowing out the net; 220. a dehumidification cabin; 230. a moisture-absorbing box; 240. a desiccant; 300. a heat dissipation and moisture removal mechanism; 310. an installation chamber; 320. a heat conducting plate; 3201. an exhaust hole; 330. a negative pressure fan; 340. a diversion chamber; 350. a heat sink; 360. a four-way cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a photovoltaic grid-connected cabinet with a moisture-proof function, which can perform double and rapid heat dissipation on hot air flow in an installation chamber and self heat of electrical elements, perform dehumidification while dissipating heat, and continuously adsorb and collect moisture in the installation chamber through a dehumidification cabin.

Fig. 1 to 3 are schematic diagrams illustrating the overall structure of a photovoltaic grid-connected cabinet with a moisture-proof function according to the present invention, and referring to fig. 1 to 3, the main body of the photovoltaic grid-connected cabinet with a moisture-proof function according to the present embodiment includes a heat-insulating outer box 100, a moisture absorption mechanism 200, and a heat dissipation and moisture removal mechanism 300.

Thermal-insulated outer container 100, its top is provided with case lid 110 that is used for the sunshade to keep out the rain, the front of thermal-insulated outer container 100 is provided with the chamber door 120 rather than the adaptation, and be connected for articulated between chamber door 120 and the thermal-insulated outer container 100, the bottom of thermal-insulated outer container 100 is provided with supporting legs 130 with ground contact all around, thermal-insulated outer container 100 can carry out the outside protection to heat-conducting plate 320 and installation room 310, and can prevent external rainwater from getting into installation room 310 in exhaust hole 3201, supporting legs 130 can prevent ponding direct contact cabinet, case lid 110 then plays the effect of sunshade to keep out the rain.

The moisture absorption mechanism 200 comprises a baffle 210 arranged at the lower end inside the heat insulation outer box 100, a dehumidification cabin 220 is arranged at the lower end of the baffle 210, the heat conduction plate 320 and the heat insulation outer box 100 are of a fixed integrated structure, the baffle 210 is used for supporting and fixing the heat conduction plate 320, a hollow net 2101 which is through up and down is arranged at the middle position of the baffle 210, an installation chamber 310 is communicated with the dehumidification cabin 220 through the hollow net 2101, the baffle 210 can guide moisture in the installation chamber 310 to the dehumidification cabin 220 through the hollow net 2101 and adsorb the moisture by the dehumidification cabin 220, a moisture absorption box 230 with an open structure at the upper end is arranged inside the dehumidification cabin 220, a desiccant 240 capable of absorbing moisture is placed inside the moisture absorption box 230, a detachable structure is arranged between the moisture absorption box 230 and the dehumidification cabin 220, the moisture entering the dehumidification cabin 220 can be adsorbed by the desiccant 240 in the moisture absorption box 230, the desiccant 240 adopts flame-retardant calcium chloride, it has excellent water vapor adsorption and can absorb water three times its weight, the absorbed water can be converted into gel to be stored in the moisture absorption box 230, and the larger volume of the moisture absorption box 230 can be maintained for a longer time without replacement and cleaning.

The heat dissipating and dehumidifying mechanism 300 includes an installation chamber 310 disposed inside the heat-insulating outer box 100 and above the dehumidifying compartment 220, heat-conducting plates 320 of an integrated structure and in a box shape are disposed at two sides, an upper end and a rear portion of the installation chamber 310, a negative pressure fan 330 communicated with the inside of the installation chamber 310 is disposed at the top of the installation chamber 310, the negative pressure fan 330 is mounted at the top of the heat-insulating outer box 100, a four-way cover 360 communicated with the installation chamber 310 is disposed at the bottom of the negative pressure fan 330, an air outlet of the negative pressure fan 330 is disposed below the box cover 110 and communicated with the outside of the heat-insulating outer box 100, during operation, the negative pressure fan 330 can suck hot air and moisture in the installation chamber 310 through the four-way cover 360 and directly exhaust the hot air out of the box, exhaust holes 3201 are uniformly distributed on two side walls of the heat-conducting plate 320, cooling fins 350 are uniformly distributed and staggered with the exhaust holes 3201 are disposed on two sides of the outer wall of the heat-conducting plate 320, the junction of the heat conducting plate 320 and the heat insulating outer box 100 is further provided with a diversion cabin 340, the installation chamber 310 is communicated with the diversion cabin 340 through an exhaust hole 3201, two sides of the four-way cover 360 are communicated with the top of the diversion cabin 340, the heat conducting plate 320 can rapidly absorb heat in the installation chamber 310 and heat emitted by electrical components installed on the heat conducting plate 320, and the heat is dissipated to the diversion cabin 340 through the radiating fins 350, meanwhile, the negative pressure fan 330 can extract and dissipate hot air in the diversion cabin 340 through the four-way cover 360, the diversion cabin 340, the radiating fins 350 and the heat conducting plate 320 can also continuously absorb heat in the installation chamber 310 while cooling, and therefore a dual heat dissipation effect is achieved, in addition, the exhaust hole 3201 can also dissipate hot air and moisture in the installation chamber 310 to the diversion cabin 340, and further, a dehumidification effect is achieved, and the structure is ingenious and practical.

In summary, in the photovoltaic grid-connected cabinet with moisture-proof function according to the embodiment, first, the negative pressure fan 330 can suck the hot air and moisture in the installation chamber 310 through the four-way cover 360 and directly exhaust the hot air and moisture out of the cabinet, the heat-conducting plate 320 can quickly absorb the heat in the installation chamber 310 and the heat dissipated by the electrical components mounted on the heat-conducting plate 320, and dissipate the heat into the pod 340 through the heat-dissipating fins 350, and the negative pressure fan 330 can suck and dissipate the hot air in the pod 340 through the four-way cover 360, and the pod 340, the heat-dissipating fins 350 and the heat-conducting plate 320 can continuously absorb the heat in the installation chamber 310 while cooling, so as to achieve the dual heat dissipation effect, in addition, the exhaust hole 3201 can also dissipate the hot air and moisture in the installation chamber 310 to the pod 340, so as to achieve the dehumidification effect, and in addition, the moisture-absorbing box 230 can absorb the moisture in the installation chamber 310 through the desiccant 240, the absorbed moisture is transformed into a gel state and stored in the moisture absorption case 230.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a photovoltaic is incorporated into power networks cabinet with dampproofing function which characterized in that includes:

a heat insulation outer box (100), the top of which is provided with a box cover (110) for shading sun and rain;

the moisture absorption mechanism (200) comprises a baffle plate (210) arranged at the lower end in the heat insulation outer box (100), and a dehumidification cabin (220) is arranged at the lower end of the baffle plate (210);

heat dissipation and hydrofuge mechanism (300), including set up in inside and being located of thermal-insulated outer container (100) installation room (310) above dehumidification cabin (220), both sides, upper end and the rear portion of installation room (310) are provided with integral structure and are heat-conducting plate (320) of box form, the top of installation room (310) is provided with rather than indoor negative pressure fan (330) that is linked together.

2. The photovoltaic grid-connected cabinet with the moisture-proof function according to claim 1, characterized in that: the heat-insulation dehumidifying cabinet is characterized in that a fixed integrated structure is arranged among the baffle (210), the heat-conducting plate (320) and the heat-insulation outer box (100), the baffle (210) is used for supporting the fixed heat-conducting plate (320), a hollow net (2101) which is through up and down is arranged in the middle of the baffle (210), and the installation chamber (310) is communicated with the dehumidifying cabin (220) through the hollow net (2101).

3. The photovoltaic grid-connected cabinet with the moisture-proof function according to claim 2, characterized in that: the dehumidifying device is characterized in that a moisture absorption box (230) with an upper end of an open structure is arranged in the dehumidifying cabin (220), a drying agent (240) capable of absorbing water vapor is placed in the moisture absorption box (230), and a detachable structure is arranged between the moisture absorption box (230) and the dehumidifying cabin (220).

4. The photovoltaic grid-connected cabinet with the moisture-proof function according to claim 3, characterized in that: the negative pressure fan (330) is installed at the top of the heat insulation outer box (100), a four-way cover (360) communicated with the installation chamber (310) is arranged at the bottom of the negative pressure fan (330), and an air outlet of the negative pressure fan (330) is located below the box cover (110) and communicated with the outside of the heat insulation outer box (100).

5. The photovoltaic grid-connected cabinet with the moisture-proof function according to claim 4, characterized in that: exhaust hole (3201) of evenly distributed are seted up to the both sides wall of heat-conducting plate (320), the outer wall both sides of heat-conducting plate (320) are provided with evenly distributed and with exhaust hole (3201) heat dissipation fin (350) of crisscross arranging, heat-conducting plate (320) with the juncture of thermal-insulated outer container (100) still is provided with nacelle (340), installation room (310) through exhaust hole (3201) with communicate each other between nacelle (340), the both sides of four-way cover (360) communicate in the top of nacelle (340).

6. The photovoltaic grid-connected cabinet with the moisture-proof function according to claim 5, characterized in that: the front surface of the heat insulation outer box (100) is provided with a box door (120) matched with the heat insulation outer box, the box door (120) is hinged with the heat insulation outer box (100), and supporting legs (130) contacted with the ground are arranged on the periphery of the bottom of the heat insulation outer box (100).