CN215377813U

CN215377813U - Wireless controller for solar MPPT charging and discharging

Info

Publication number: CN215377813U
Application number: CN202121197493.4U
Authority: CN
Inventors: 熊后辉
Original assignee: Anhui Wolandoo Power Technology Co ltd
Current assignee: Anhui Wolandoo Power Technology Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-31
Anticipated expiration: 2031-05-31

Abstract

The utility model provides a wireless solar MPPT (maximum power point tracking) charge-discharge controller, which comprises a controller body provided with a connecting groove, a connecting block arranged in the connecting groove and a protection mechanism penetrating through the wall of the connecting groove and wrapping the connecting block, wherein the connecting hole is formed in the connecting block; the protection mechanism comprises a protection shell wrapped on the connecting block through a protection groove and a fixing assembly arranged on the protection shell and used for fixing a lead penetrating through the connecting hole, and the fixing assembly comprises a first protection plate and a second protection plate, wherein the first protection plate is close to the opening of the connecting hole and penetrates through the protection shell through a resetting piece; the utility model prevents water drops from entering the wiring position, and prolongs the service life of the solar MPPT controller.

Description

Wireless controller for solar MPPT charging and discharging

Technical Field

The utility model relates to the technical field of solar controllers, in particular to a wireless solar MPPT charge and discharge controller.

Background

In the present day of global energy situation tension, all countries in the world seek new energy replacement strategy to obtain sustainable development and obtain an advantage position in future development. Solar energy is the focus of attention today with its significant advantages of being clean, renewable, safe, etc. In particular to a solar photovoltaic power generation technology, the development is rapid. The photovoltaic power generation technology is mainly divided into two types, namely an independent power generation system and a distributed power generation system. The independent power generation system is mainly oriented to small users or small loads, and is flexible in application and strong in adaptability and is increasingly applied to various fields.

The MPPT controller has the main functions: and detecting the direct-current voltage and the output current of the main loop, calculating the output power of the solar array, and tracking the maximum power point. The disturbance resistor R and the MOSFET are connected in series, and under the condition that the output voltage is basically stable, the average current passing through the resistor is changed by changing the duty ratio of the MOSFET, so that the current disturbance is generated. Meanwhile, the output current and voltage of the photovoltaic cell change along with the change of the output power and voltage of the photovoltaic cell before and after disturbance, so that the disturbance direction of the next period is determined, when the disturbance direction is correct, the output power of the solar photovoltaic panel is increased, the next period is continuously disturbed in the same direction, otherwise, the solar photovoltaic panel is disturbed in the opposite direction, and thus, the disturbance and observation are repeatedly carried out to enable the output of the solar photovoltaic panel to reach the maximum power point.

The existing solar MPPT controller is in the working process, and water drops can drip on the wiring position of the solar MPPT controller in rainy days or early morning, so that the solar MPPT controller is damaged, and the service life of the solar MPPT controller is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provide a wireless solar MPPT (maximum power point tracking) charging and discharging controller, so as to overcome the defects that in the technical background, water drops can drop at the wiring position of a solar MPPT controller in rainy days or early morning, the solar MPPT controller is damaged, and the service life of the solar MPPT controller is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: a wireless solar MPPT charge and discharge controller comprises a controller body provided with a connecting groove, a connecting block arranged in the connecting groove, and a protection mechanism penetrating through the wall of the connecting groove and wrapping the connecting block, wherein the connecting block is provided with a connecting hole;

protection machanism includes wraps up the protecting crust on the connecting block and locates through the protective tank be used for on the protecting crust fixedly wearing to locate the fixed subassembly of wire in the connecting hole, fixed subassembly is including closing on connecting hole opening part and through the piece that resets run through the first guard plate on the protecting crust and locate on the controller body with the corresponding second guard plate of first guard plate.

Preferably, the adjacent terminal surface of first guard plate and second guard plate has seted up first constant head tank and second constant head tank respectively, just first constant head tank with the second constant head tank respectively with the wire side phase-match.

Preferably, all seted up the seal groove on the cell wall of first constant head tank and second constant head tank, just two be provided with first sealing strip and second sealing strip in the seal groove respectively.

Preferably, the piece that resets includes that the inner wall sets up the protecting crust of spout, locates slide bar in the spout, the cover is located slide bar is last and be connected with first guard plate, and the cover is located on the slide bar and one end is connected the reset spring of slide bar, the top of first guard plate is provided with the control lever.

Preferably, the lower end face of the controller body is provided with a plurality of heat dissipation plates which are arranged at equal intervals and a mounting plate provided with a mounting hole.

Preferably, when the first protection plate is attached to the second protection plate, the first positioning groove and the second positioning groove are combined to form a hole, and the hole is matched with the lead.

Compared with the prior art, the utility model provides a wireless solar MPPT charge and discharge controller, which has the following beneficial effects:

in the utility model, the protective mechanism is arranged on the connecting block, so that the wiring position is protected conveniently, water drops are prevented from entering the wiring position, the service life of the controller body is prolonged, the protective shell penetrates through the groove wall of the connecting groove, can enter into the groove wall extending out of the connecting groove so as to facilitate the connecting of the connecting block to the conducting wire, and after the conducting wire is connected, the protective shell is pulled out so as to facilitate the protection of the connecting position of the connecting block and the conducting wire, wherein the protective shell is also provided with a first protective plate which penetrates through the protective shell through a resetting piece, the connecting groove is provided with a second protective plate which corresponds to the first protective plate, through first guard plate and second guard plate so that fix the position of wire to and guaranteed the leakproofness of fixed department, avoided the water droplet to enter into the protecting crust through the gap of fixed department, cause the damage to the controller body, improved the life of controller body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic diagram of a simple structure of a wireless solar MPPT charge and discharge controller according to the present invention.

Fig. 2 is a schematic view of a simple structure of the protection mechanism of the present invention.

In the figure: 1. a controller body; 2. mounting a plate; 3. a heat dissipation plate; 4. mounting holes; 5. connecting grooves; 6. A protective shell; 7. a limiting block; 8. a protective bath; 9. a first guard plate; 10. a control lever; 11. a first positioning groove; 12. a second positioning groove; 13. a sealing groove; 14. a first seal strip; 15. a second seal strip; 16. A chute; 17. a slide bar; 18. a return spring; 19. connecting blocks; 20. connecting holes; 21. and a second protection plate.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments are provided. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, a wireless solar MPPT charge and discharge controller includes a controller body 1 having a connecting groove 5, a connecting block 19 disposed in the connecting groove 5, and a protection mechanism penetrating through a groove wall of the connecting groove 5 and wrapping the connecting block 19, wherein the connecting block 19 has a connecting hole 20; the protection mechanism is convenient for protect the joint of the connecting block 19 and the wire through the connecting hole 20, so that water drops are prevented from entering the joint of the connecting block 19 and the wire, and the service life of the controller body 1 is prolonged.

The protection mechanism comprises a protection shell 6 wrapped on the connecting block 19 through a protection groove 8, and a fixing component arranged on the protection shell 6 and used for fixing a lead penetrating through the connecting hole 20, the fixing component comprises a first protection plate 9 which is close to the opening of the connecting hole 20 and penetrates through the protection shell 6 through a reset piece, and a second protection plate 21 which is arranged on the controller body 1 and corresponds to the first protection plate 9, the position of the lead is convenient to be fixed through the first protection plate 9 and the second protection plate 21, the lead is prevented from moving, on the other hand, the protection mechanism can play a role in protecting the connecting position of the connecting block 19 and the lead through the protection shell 6, the first protection plate 9 and the second protection plate 21, the phenomenon that water drops enter the connecting position of the connecting block 19 and the lead to damage the controller body in rainy days and early morning is avoided, the service life of the controller body 1 is prolonged, one end that protecting crust 6 runs through in spread groove 5 cell wall sets up stopper 7, has avoided the distance of 6 one end of protecting crust to cross far away.

First constant head tank 11 and second constant head tank 12 have been seted up respectively to the adjacent terminal surface of first guard plate 9 and second guard plate 21, and first constant head tank 11 and second constant head tank 12 respectively with wire side phase-match, first guard plate 9 and second guard plate 21 are convenient for fix the wire through first constant head tank 11 and second constant head tank 12, and first constant head tank 11 and second constant head tank 12 all with the side phase-match of wire, when fixing the wire, avoid causing the damage to the wire surface, the integrality of wire has been guaranteed.

Seal groove 13 has all been seted up on the cell wall of first constant head tank 11 and second constant head tank 12, and be provided with first sealing strip 14 and second sealing strip 15 in two seal grooves 13 respectively, first sealing strip 14 and second sealing strip 15 all adopt the rubber strip, laminate with the wire side through first sealing strip 14 and second sealing strip 15 that set up in the seal groove 13, avoid causing the damage to the wire surface on the one hand, on the other hand has guaranteed first guard plate 9 and the fixed leakproofness of second guard plate 21 with the wire, avoided the water droplet to enter into in the protecting crust 6.

Reset piece includes that the inner wall sets up the protecting crust 6 of spout 16, locate slide bar 17 in spout 16, the slider that the cover was located on slide bar 17 and was connected with first guard plate 9, and the cover is located slide bar 17 and one end link block's reset spring 18, the top of first guard plate 9 is provided with control lever 10, through pulling control lever 10, be convenient for drive first guard plate 9 and remove on protecting crust 6, and the slider cover is located on the slide bar 17 of locating in spout 16, and the cover is equipped with one end link block's reset spring 18 on slide bar 17, when protecting crust 6 is pulled out to first guard plate 9 one end, relieve first guard plate 9, first guard plate 9 can get into in protecting crust 6 under reset spring 18's effect, and through cooperating with second guard plate 21, be convenient for fix the wire.

Be provided with the heating panel 3 of a plurality of equidistant range and offer mounting hole 4's mounting panel 2 on the lower terminal surface of controller body 1, be convenient for fix controller body 1 through mounting panel 2, be convenient for accelerate controller body 1's radiating rate through the heating panel 3 of equidistant setting.

When first guard plate 9 and second guard plate 21 laminated mutually, first constant head tank 11 and the combination of second constant head tank 12 were the hole form, and hole and wire phase-match to it fixes the wire to be convenient for first guard plate 9 and second guard plate 21.

The working principle and the using process of the utility model are as follows: firstly, one end of a first protection plate 9 is pulled out of a protection shell 6 by a control rod 10, one end of the protection shell 6 is moved to enter a known body 1, then a lead is placed in a connecting hole 20 formed in a connecting block 19, the lead is fixed with the connecting block 19, one end of the protection shell 6 is moved to the upper part of the connecting block 19, the control rod 10 is released, the first protection plate 9 moves along the sliding direction of a sliding block on a sliding rod 17 under the action of a reset spring 18, so that the first protection plate 9 can enter the protection shell 6 and is matched with a second protection plate 21 which is arranged on a connecting groove 5 and corresponds to the first protection plate 9, the position of the lead is fixed conveniently by a first positioning groove 11 and a second positioning groove 12, the sealing performance of the fixing positions of the first protection plate 21 and the second protection plate 9 and the lead is ensured, and the phenomenon that the lead is damaged in rainy days or early morning is avoided, the water droplet can drip at the wiring department of controller body 1, can lead to the damage of controller body 1, has improved the life of controller body 1.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The wireless solar MPPT charge and discharge controller is characterized by comprising a controller body (1) provided with a connecting groove (5), a connecting block (19) arranged in the connecting groove (5) and a protection mechanism penetrating through the groove wall of the connecting groove (5) and wrapping the connecting block (19), wherein the connecting block (19) is provided with a connecting hole (20);

protection machanism includes protecting sheathing (6) on connecting block (19) and locates through protective housing (8) be used for on protecting sheathing (6) fixedly wearing to locate the fixed subassembly of wire in connecting hole (20), fixed subassembly is including closing on connecting hole (20) opening part and through the piece that resets run through first guard plate (9) on protecting sheathing (6) and locate on controller body (1) with second guard plate (21) that first guard plate (9) are corresponding.

2. The controller of claim 1 for wireless solar MPPT charging and discharging, characterized in that: first constant head tank (11) and second constant head tank (12) have been seted up respectively to the adjacent terminal surface of first guard plate (9) and second guard plate (21), just first constant head tank (11) with second constant head tank (12) respectively with the wire side phase-match.

3. The controller of claim 2 for wireless solar MPPT charging and discharging, wherein: all seted up seal groove (13) on the cell wall of first constant head tank (11) and second constant head tank (12), and two be provided with first sealing strip (14) and second sealing strip (15) in seal groove (13) respectively.

4. The controller of claim 1 for wireless solar MPPT charging and discharging, characterized in that: reset the piece and include that the inner wall offers protecting crust (6) of spout (16), locates slide bar (17), cover in spout (16) are located slide bar (17) are gone up and are connected with first guard plate (9) slider and cover are located slide bar (17) are gone up and one end is connected reset spring (18) of slider, the top of first guard plate (9) is provided with control lever (10).

5. The controller of claim 1 for wireless solar MPPT charging and discharging, characterized in that: the lower end face of the controller body (1) is provided with a plurality of radiating plates (3) which are arranged at equal intervals and a mounting plate (2) provided with mounting holes (4).

6. The controller of claim 3 for wireless solar MPPT charging and discharging, characterized in that: when first guard plate (9) and second guard plate (21) are laminated mutually, first constant head tank (11) and second constant head tank (12) combination are the hole form, just hole and wire phase-match.