CN114284880A - Voltage balancing device in photovoltaic power generation system - Google Patents
Voltage balancing device in photovoltaic power generation system Download PDFInfo
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- CN114284880A CN114284880A CN202111600365.4A CN202111600365A CN114284880A CN 114284880 A CN114284880 A CN 114284880A CN 202111600365 A CN202111600365 A CN 202111600365A CN 114284880 A CN114284880 A CN 114284880A
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Abstract
The invention is suitable for the technical field of photovoltaics, and provides a voltage balancing device in a photovoltaic power generation system, which comprises: the cabinet body, the bottom plate, its fixed mounting in the bottom of the cabinet body shelters from the subassembly, its rigid coupling in the top of the cabinet body, just the cabinet body is located its projection range, is used for realizing just the water liquid at cabinet body top blocks, wherein, still be provided with on the bottom plate and enclose the fender part, its inlay locate the inside of bottom plate, and can follow the ascending and descending of vertical direction enclose in the outside of the cabinet body, when water liquid drips from the top of the cabinet body, it can fall on first shielding plate, and along the quick landing of first guiding gutter on first shielding plate, simultaneously, fall on the second shielding plate that is connected with it, and along the quick range of discharging the cabinet body of the second guiding gutter of seting up on the second shielding plate, thereby avoid water liquid to stay near the cabinet body for a long time, avoid water liquid seepage to the cabinet internal, influence electrical components's normal work.
Description
Technical Field
The invention belongs to the technical field of photovoltaics, and particularly relates to a voltage balancing device in a photovoltaic power generation system.
Background
With the development of photovoltaic power generation (PVG) technology, the proportion of photovoltaic power generation in Renewable Energy Generation Systems (REGS) has increased year by year. In practical production applications, the goal of increasing output voltage and current is usually achieved by connecting photovoltaic modules (pvmodules) in series and in parallel.
In the prior art, the voltage balancing device does not have high waterproof performance when working, and therefore, the voltage balancing device is easily corroded by moisture in the outside air, so that working elements inside the voltage balancing device are damaged and damaged, and the normal use and the service life of equipment are influenced.
Disclosure of Invention
The invention provides a voltage balancing device in a photovoltaic power generation system, and aims to solve the problems in the background technology.
The invention is realized in this way, a voltage equalizing device in a photovoltaic power generation system, comprising: the cabinet body, the bottom plate, its fixed mounting in the bottom of the cabinet body shelters from the subassembly, its rigid coupling in the top of the cabinet body, just the cabinet body is located its projection range, and it is right to be used for realizing the water liquid at cabinet body top blocks, wherein, still be provided with on the bottom plate and enclose fender part, it inlays to be located the inside of bottom plate to can follow going up and down of vertical direction enclose in the outside of the cabinet body.
Preferably, the shielding assembly includes: connect the platform, it includes: the rigid coupling in the bearing seat at cabinet body top to and integrated into one piece above that, be conical connecting block, roof, it include two relative slopes set up in the connecting block both sides, and be the first shielding plate that the chevron shape was arranged, two rigid coupling between the one end that first shielding plate is close to, and the one end of keeping away from mutually extends to the outside of the cabinet body, second shielding plate, it is provided with two, and corresponds respectively first shielding plate, wherein, every sliding connection that the equal holding of second shielding plate is in corresponding the inboard of first shielding plate.
Preferably, the two first shielding plates are provided with a slot hole extending inwards, and the second shielding plate is connected in the first shielding plate in a sliding manner through the slot hole.
Preferably, two through holes communicated to the inside of each first shielding plate are symmetrically formed in the end face of the outer side of each first shielding plate, and a locking mechanism is arranged on one side, away from the second shielding plate, of each through hole, wherein each locking mechanism comprises: two set up relatively in the connecting plate of perforation both sides, two rotate between the connecting plate and be provided with the returning face plate, a tip integrated into one piece of returning face plate has and extends to latch segment in the perforation, be formed with handheld portion on its another tip, two still be provided with between the connecting plate with the torsional spring that the returning face plate is connected, wherein, work as under the torsional spring is in the first state, the returning face plate does not take place the action, the latch segment block with in the perforation, and work as the torsional spring is in under the second state, the returning face plate takes place the upset, the latch segment breaks away from the perforation, and, be located on the second shielding plate, still correspond two the perforation be provided with the spacing card strip of latch segment matched with, it has: fixed connection in joint board on the second shielding plate follows a plurality of block teeth of having arranged in proper order in joint board's extending direction, every the block tooth all inclines to set up, and the incline direction all faces away from one side of second shielding plate reduces gradually.
Preferably, the turnover plate corresponding to the hand-held part is also provided with anti-skid grains.
Preferably, a plurality of first water chutes are sequentially and equidistantly formed in the end face of the outer side of the two first shielding plates, and a plurality of second water chutes are sequentially and equidistantly formed in the end face of the outer side of the two second shielding plates.
Preferably, two one side that the second shielding plate is kept away from first shielding plate is still equallyd divide and is provided with the third shielding plate respectively, wherein, every the third shielding plate with correspond equal swing joint has the damping pivot between the second shielding plate, through the damping pivot is used for adjusting the second shielding plate with rotation angle between the third shielding plate.
Preferably, the enclosure member comprises: the ring-shaped baffle is annularly arranged on the bottom plate and located in a ring-shaped groove on the outer side of the cabinet body, and the ring-shaped baffle is annularly distributed in the ring-shaped groove.
Preferably, the inner side of the enclosure is the same size as the outer side of the cabinet.
Preferably, the outer wall around the bottom plate is also integrally formed with a water guide slope, and the inclination angle of the water guide slope is gradually lifted from the side far away from the bottom plate to the side close to the bottom plate.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a voltage balancing device in a photovoltaic power generation system, which comprises the following components:
when water liquid drips from the top of the cabinet body, the water liquid can fall on the first shielding plate and quickly slide along the first water guide groove on the first shielding plate, and simultaneously fall on the second shielding plate connected with the first shielding plate and quickly discharge the cabinet body along the second water guide groove arranged on the second shielding plate, so that the water liquid is prevented from staying nearby the cabinet body for a long time, and the water liquid is prevented from leaking into the cabinet body to influence the normal work of electrical equipment elements.
The third shielding plate is rotatably connected with the second shielding plate through a damping rotating shaft, and the overturning angle between the third shielding plate and the second shielding plate can be adjusted in the overturning process, so that the dropping track of water liquid sliding along the third shielding plate is adjusted, and the accumulation of the water liquid is effectively avoided.
When water liquid is deposited in the annular groove, the water liquid can drive the enclosing baffle to lift, and the gap at the bottom of the cabinet body can be blocked by the enclosing baffle in the lifting process, so that the water liquid is prevented from entering the cabinet body along the gap, and the normal work of internal electrical components is ensured.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a side view of the shield assembly of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a side view of a spacing clip strip of the present invention;
FIG. 6 is a side view of the locking mechanism of the present invention;
FIG. 7 is a top view of the base plate of the present invention;
in the figure:
1. a cabinet body;
2. a base plate; 21. a water guiding slope;
3. a shielding component; 31. connecting the platforms; 311. a bearing seat; 312. connecting blocks; 32. a first shielding plate; 321. a slot; 322. perforating; 323. a first water chute; 33. a second shielding plate; 331. a second water chute; 34. a third shielding plate; 35. a damping rotating shaft;
4. a containment component; 41. an annular groove; 42. a surrounding baffle plate;
5. a locking mechanism; 51. a connecting plate; 52. a turnover plate; 53. a locking block; 54. a hand-held portion; 55. a torsion spring; 56. limiting clamping strips; 561. a clamping and connecting plate; 562. and (6) clamping the teeth.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a voltage equalizing device in a photovoltaic power generation system, comprising:
the cabinet comprises a cabinet body 1 and a bottom plate 2, wherein the cabinet body 1 is fixedly arranged at the bottom of the cabinet body 1, a shielding component 3 is fixedly connected to the top of the cabinet body 1, and the cabinet body 1 is positioned in the projection range of the cabinet body and used for blocking water liquid at the top of the cabinet body 1;
the shutter assembly 3 includes: a docking station 31, comprising: the bearing seat 311 is fixedly connected to the top of the cabinet body 1, the conical connecting block 312 is integrally formed on the bearing seat, the top plate comprises two first shielding plates 32 which are oppositely obliquely arranged on two sides of the connecting block 312 and arranged in a herringbone manner, one ends, close to the two first shielding plates 32, of the two first shielding plates are fixedly connected, the other ends, far away from the two first shielding plates, of the two first shielding plates extend to the outer side of the cabinet body 1, the number of the second shielding plates 33 is two, and the two second shielding plates correspond to the first shielding plates 32 respectively, wherein each second shielding plate 33 can be contained and is connected to the inner side of the corresponding first shielding plate 32 in a sliding manner;
the two first shielding plates 32 are provided with slots 321 extending inwards, and the second shielding plate 33 is connected in the first shielding plates 32 in a sliding manner through the slots 321;
two through holes 322 communicated to the inside of each first shielding plate 32 are symmetrically formed in the end surface of the outer side of each first shielding plate 32, and a locking mechanism 5 is arranged on one side, away from the second shielding plate 33, of each through hole 322, wherein each locking mechanism 5 comprises: two connecting plates 51 that set up in perforation 322 both sides relatively, it is provided with returning face plate 52 to rotate between two connecting plates 51, a tip integrated into one piece of returning face plate 52 has latch segment 53 that extends to in the perforation 322, be formed with handheld portion 54 on its another tip, still be provided with the torsional spring 55 that is connected with returning face plate 52 between two connecting plates 51, wherein, when the torsional spring 55 is in under the first state, returning face plate 52 does not take place the action, latch segment 53 block and perforation 322 in, and when the torsional spring 55 is in under the second state, returning face plate 52 takes place the upset, latch segment 53 breaks away from perforation 322, and, be located second shielding plate 33, still be provided with the spacing card strip 56 with latch segment 53 matched with corresponding to two perforation 322, it has: a plurality of clamping teeth 562 are sequentially arranged along the extending direction of the clamping plate 561, each clamping tooth 562 is obliquely arranged, and the oblique direction gradually decreases towards one side far away from the second shielding plate 33;
the turnover plate 52 corresponding to the hand-held part 54 is also provided with anti-skid grains;
a plurality of first water chutes 323 are sequentially and equidistantly formed on the outer end faces of the two first shielding plates 32, and a plurality of second water chutes 331 are sequentially and equidistantly formed on the outer end faces of the two second shielding plates 33;
the two second shielding plates 33 are further provided with third shielding plates 34 on the sides away from the first shielding plate 32, wherein a damping rotating shaft 35 is movably connected between each third shielding plate 34 and the corresponding second shielding plate 33, and the damping rotating shaft 35 is used for adjusting the turning angle between the second shielding plate 33 and the third shielding plate 34.
Specifically, the carrying seat 311 is fixed on the top of the cabinet body 1, and the connecting block 312 is fixed on the top of the carrying seat 311, wherein, preferably, the carrying seat 311 and the connecting block 312 have the same size as the cabinet body 1, and meanwhile, the first shielding plate 32 installed on the inclined planes at two sides of the connecting block 312 is of a herringbone structure, two ends away from each other are respectively located above the end of the cabinet body 1, and the first shielding plate 32 is further provided with a plurality of first water guiding grooves 323, which can effectively ensure the rapid discharge of the water along the first water guiding grooves 323, so as to cooperate with the first shielding plate 32 arranged obliquely to ensure the rapid circulation of the water, prevent the water from accumulating and leaking into the cabinet body 1, when the water is discharged along the first shielding plate 32, the water can drop onto the second shielding plates 33 at two sides, and can be discharged out of the cabinet body 1 along the second water guiding grooves 331 arranged on the second shielding plate 33, thereby effectively preventing the inside of the cabinet body 1 from being eroded by water.
It should be noted that, in this embodiment, the lengths of the second shielding plates 33 on the two sides, which extend out of the first shielding plate 32, can also be adjusted according to actual requirements, specifically: the handheld part 54 on the turning plate 52 is shifted, so that the turning plate 52 can be turned over around the connecting plate 51, the locking block 53 extends out of the through hole 322, the limiting clamping strip 56 on the second shielding plate 33 loses the constraint of the locking block 53, the second shielding plate 33 can be controlled to be drawn out to the preset length along the extending direction of the slotted hole 321, after the second shielding plate 33 moves to the preset length, the handheld part 54 is loosened, the elastic resetting capacity of the torsion spring 55 drives the turning plate 52 to be turned to the initial position, at the moment, the locking block 53 is clamped in the through hole 322 again, the limiting clamping strip 56 is clamped, and the second shielding plate 33 is prevented from loosening and sliding.
It should be understood that the limiting clip strip 56 includes a clip plate 561 fixed on the second shielding plate 33, and a plurality of clip teeth 562 are fixed on the clip plate 561, and the relative position between the second shielding plate 33 and the first shielding plate 32 is ensured by the mutual cooperation between the clip teeth 562 and the locking block 53.
In addition, be provided with anti-skidding line on handheld portion 54, its aim at, can increase the friction between its and the staff's hand, and then, make things convenient for the staff to control returning face plate 52 and overturn.
Further, the third shielding plate 34 that sets up, it and second shielding plate 33 between through damping pivot 35 swing joint for control third shielding plate 34's rotation angle, thereby angle and position when control water liquid falls, further avoided near the water liquid drop falls cabinet body 1, thereby avoided piling up of water liquid.
Referring to fig. 1-2 and 7, the bottom plate 2 is further provided with a surrounding member 4, which is embedded in the bottom plate 2 and can be vertically lifted and lowered to surround the outer side of the cabinet 1;
the enclosure member 4 includes: an annular groove 41 which is arranged on the bottom plate 2 in a surrounding manner and is positioned at the outer side of the cabinet body 1, and a surrounding baffle plate 42 which is distributed annularly is sunk in the annular groove 41;
the inner side of the enclosure 42 is the same as the outer side of the cabinet 1;
the outer wall around the bottom plate 2 is also integrally formed with a water guide slope 21, and the inclination angle of the water guide slope 21 is gradually lifted from the side far away from the bottom plate 2 to the side close to the bottom plate 2.
Specifically, the annular ring groove 41 is formed in the bottom plate 2, after water liquid leaks into the ring groove 41, the baffle 42 can be controlled to rise through buoyancy of the water liquid, and the size of the inner ring of the baffle 42 is consistent with that of the outer ring of the cabinet body 1, so that the baffle 42 can be tightly attached to the outer side of the cabinet body 1, the water liquid is controlled not to leak into the cabinet body 1 along gaps, and normal work of internal electrical equipment elements is protected.
The working principle and the using process of the invention are as follows: after the invention is installed:
when water drops from the top of the cabinet body 1, the water drops on the first shielding plate 32 and rapidly slides along the first water guiding groove 323 on the first shielding plate 32, and simultaneously falls on the second shielding plate 33 connected with the first shielding plate, and rapidly discharges the water out of the cabinet body 1 along the second water guiding groove 331 formed on the second shielding plate 33, so that the water is prevented from staying near the cabinet body 1 for a long time, and the water is prevented from leaking into the cabinet body 1 to affect the normal operation of electrical components.
The third shielding plate 34 rotatably connected with the second shielding plate 33 through the damping rotating shaft 35 can adjust the turnover angle between the third shielding plate and the second shielding plate 33 in the turnover process, so that the dropping track of the water liquid sliding along the third shielding plate 34 is adjusted, and the accumulation of the water liquid is effectively avoided.
When water liquid is deposited in the annular groove 41, the water liquid can drive the baffle 42 to lift, and the baffle 42 can block the gap at the bottom of the cabinet body 1 in the lifting process, so that the water liquid is prevented from entering the cabinet body 1 along the gap, and the normal work of internal electrical components is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A voltage equalizing device in a photovoltaic power generation system, comprising:
a cabinet body (1);
the bottom plate (2) is fixedly arranged at the bottom of the cabinet body (1);
the shielding component (3) is fixedly connected to the top of the cabinet body (1), and the cabinet body (1) is located in the projection range of the shielding component to block water liquid at the top of the cabinet body (1);
the bottom plate (2) is further provided with an enclosing part (4) which is embedded in the bottom plate (2) and can be lifted along the vertical direction to enclose the outer side of the cabinet body (1).
2. The voltage equalizing device in a photovoltaic power generating system according to claim 1, wherein the shielding member (3) comprises:
a docking station (31) comprising:
a bearing seat (311) fixedly connected to the top of the cabinet body (1) and a conical connecting block (312) integrally formed on the bearing seat;
the top plate comprises two first shielding plates (32) which are oppositely and obliquely arranged on two sides of the connecting block (312) and are arranged in a herringbone mode;
one ends, close to each other, of the two first shielding plates (32) are fixedly connected, and the ends, far away from each other, of the two first shielding plates extend to the outer side of the cabinet body (1);
two second shielding plates (33) which correspond to the first shielding plates (32);
each second shielding plate (33) can be accommodated and slidably connected to the inner side of the corresponding first shielding plate (32).
3. The voltage equalizing device of claim 2, wherein the two first shielding plates (32) have slots (321) extending inward at their ends away from each other;
the second shielding plate (33) is slidably connected to the inside of the first shielding plate (32) through the slot hole (321).
4. The voltage equalizing device of claim 3, wherein each of the first shielding plates (32) has two through holes (322) symmetrically formed on the outer end surface thereof and communicated with the interior thereof;
each through hole (322) is provided with a locking mechanism (5) on one side far away from the second shielding plate (33), wherein the locking mechanism (5) comprises:
two connecting plates (51) oppositely arranged at two sides of the through hole (322);
a turnover plate (52) is rotatably arranged between the two connecting plates (51);
a locking block (53) extending into the through hole (322) is integrally formed at one end part of the turnover plate (52), and a hand-held part (54) is formed at the other end part of the turnover plate;
a torsion spring (55) connected with the turnover plate (52) is further arranged between the two connecting plates (51), when the torsion spring (55) is in a first state, the turnover plate (52) does not act, the locking block (53) is clamped in the through hole (322), and when the torsion spring (55) is in a second state, the turnover plate (52) turns over, and the locking block (53) is separated from the through hole (322);
and, locate at the said second shielding plate (33), also correspond to two said perforation (322) and have and lock the position limiting card strip (56) that the block (53) cooperates, it has:
a clamping plate (561) fixedly connected to the second shielding plate (33);
a plurality of clamping teeth (562) are sequentially arranged along the extending direction of the clamping plate (561);
each clamping tooth (562) is obliquely arranged, and the inclination direction gradually decreases towards one side far away from the second shielding plate (33).
5. The voltage equalizing device of claim 4, wherein the flipping board (52) corresponding to the handle (54) is further provided with anti-slip texture.
6. The voltage equalizing device of claim 2, wherein a plurality of first water chutes (323) are sequentially and equidistantly formed on the outer end surface of the two first shielding plates (32), and a plurality of second water chutes (331) are sequentially and equidistantly formed on the outer end surface of the two second shielding plates (33).
7. The voltage equalizing device in a photovoltaic power generating system according to claim 2, wherein a third shielding plate (34) is further disposed on each of two sides of the second shielding plate (33) away from the first shielding plate (32);
and a damping rotating shaft (35) is movably connected between each third shielding plate (34) and the corresponding second shielding plate (33), and the damping rotating shaft (35) is used for adjusting the turnover angle between the second shielding plate (33) and the third shielding plate (34).
8. Voltage equalizing device in a photovoltaic power generation system according to claim 1, characterized in that said containment means (4) comprise:
the annular groove (41) is arranged on the bottom plate (2) in a surrounding manner and is positioned on the outer side of the cabinet body (1);
the annular groove (41) is internally provided with annularly distributed enclosure baffles (42).
9. Voltage equalizing device in a photovoltaic power generation system according to claim 8, characterized in that said containment flaps (42) have inside dimensions corresponding to the outside dimensions of said cabinet (1).
10. The voltage equalizing device in a photovoltaic power generating system according to claim 1, wherein a water guiding slope (21) is further integrally formed on the peripheral outer wall of the bottom plate (2);
the inclination angle of the water guide slope (21) is gradually increased from one side far away from the bottom plate (2) to one side close to the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600365.4A CN114284880A (en) | 2021-12-24 | 2021-12-24 | Voltage balancing device in photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600365.4A CN114284880A (en) | 2021-12-24 | 2021-12-24 | Voltage balancing device in photovoltaic power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN114284880A true CN114284880A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111600365.4A Pending CN114284880A (en) | 2021-12-24 | 2021-12-24 | Voltage balancing device in photovoltaic power generation system |
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| CN2752419Y (en) * | 2004-11-30 | 2006-01-18 | 谢小燕 | Mental ladder expansion foot locking and adjusting mechanism |
| CN207442300U (en) * | 2017-12-08 | 2018-06-01 | 国网浙江平阳县供电有限责任公司 | A kind of cabinet body structure of power distribution cabinet |
| CN209747946U (en) * | 2019-05-20 | 2019-12-06 | 天津中建电气成套设备有限公司 | Outdoor power distribution cabinet |
| US20200283103A1 (en) * | 2019-03-05 | 2020-09-10 | Ørsted Wind Power A/S | Offshore substation topside |
| CN111799670A (en) * | 2020-06-17 | 2020-10-20 | 阜阳腾冠电力科技有限公司 | Flood control switch board |
| CN212485064U (en) * | 2020-04-12 | 2021-02-05 | 晏佳伦 | Rainproof structure for distribution transformer |
| CN112952576A (en) * | 2021-02-20 | 2021-06-11 | 高宇 | Intelligent power distribution cabinet based on Internet of things power |
-
2021
- 2021-12-24 CN CN202111600365.4A patent/CN114284880A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2752419Y (en) * | 2004-11-30 | 2006-01-18 | 谢小燕 | Mental ladder expansion foot locking and adjusting mechanism |
| CN207442300U (en) * | 2017-12-08 | 2018-06-01 | 国网浙江平阳县供电有限责任公司 | A kind of cabinet body structure of power distribution cabinet |
| US20200283103A1 (en) * | 2019-03-05 | 2020-09-10 | Ørsted Wind Power A/S | Offshore substation topside |
| CN209747946U (en) * | 2019-05-20 | 2019-12-06 | 天津中建电气成套设备有限公司 | Outdoor power distribution cabinet |
| CN212485064U (en) * | 2020-04-12 | 2021-02-05 | 晏佳伦 | Rainproof structure for distribution transformer |
| CN111799670A (en) * | 2020-06-17 | 2020-10-20 | 阜阳腾冠电力科技有限公司 | Flood control switch board |
| CN112952576A (en) * | 2021-02-20 | 2021-06-11 | 高宇 | Intelligent power distribution cabinet based on Internet of things power |
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