CN209462032U - A kind of moisture-proof electric power three-phase imbalance intelligent regulator in open air - Google Patents

Abstract

The utility model discloses a kind of moisture-proof electric power three-phase imbalance intelligent regulators in open air, including outer case and internal box, the outer case is internally provided with internal box, there are four connection sheets for the corner location setting of the internal box, the internal box is fixedly connected by connection sheet with outer case, the internal box is internally provided with control circuit board, the two sides of the internal box are provided with groove body, the groove body is internally provided with desiccant, the internal box inner tip is equipped with humidity sensor, internal box top two sides offer interior venthole, the just internal venthole position in the two sides of the outer case offers outer vent, the bottom surface of the outer case offers multiple drain holes.For the utility model by setting outer case, internal box, humidity sensor, exhaust fan and photovoltaic power generation plate, it is poor to solve existing technology dampproof effect, is easy to appear electric leakage accident, and power supply mode is single, the problem of stability difference.

Description

An outdoor moisture-proof power three-phase unbalanced intelligent regulator

technical field

The utility model relates to the technical field of power regulation systems, in particular to an outdoor moisture-proof power three-phase unbalance intelligent regulator.

Background technique

The three-phase load unbalance automatic adjustment device is mainly used on the user side of low-voltage power distribution to control three-phase current unbalance, low phase voltage and compensate reactive power, optimize power quality, SPC product specifications cover 50A/35kvar, 75A/50kvar, 150A /100kvar, can compensate three-phase unbalanced current and reactive power at the same time, realize continuous and dynamic compensation, and the three-phase load unbalanced automatic adjustment device can comprehensively improve the power quality of the station area, solve the three-phase unbalanced problem of the distribution network, and reduce line loss ; Stabilize the three-phase voltage, improve the quality of power supply, and improve the power environment; solve the problem of single-phase overload of the transformer, improve the operating life of the transformer; balance reactive power, improve the effective output capacity of the distribution network; The device detects the system current in real time, and sends the system current information to the internal controller for processing and analysis to determine whether the system is in an unbalanced state. At the same time, it calculates the current value of each phase that needs to be converted when reaching a balanced state, and then sends the signal to The internal IGBT drives its action, transfers the unbalanced current from the phase with high current to the phase with low current, and finally reaches a three-phase balanced state.

But, existing technology has following shortcoming;

1. When the existing technology is used outdoors, it will be affected by weather factors, especially in bad weather such as rain, snow, and hail, which will easily make the cabinet of the three-phase unbalanced intelligent regulator of electric power be affected by moisture, water, corrosion or hail Especially in the case of humid weather, it is easy to increase the humidity inside the power cabinet and cause leakage;

2. When the existing technology is used outdoors, the power required for its own internal operation depends entirely on the traditional power supply method, and the traditional power supply method requires buried or lapped wires. The wires are easily damaged in bad weather, resulting in equipment failure. Running, the power supply mode is relatively single, and the stability is poor.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the existing technology, the utility model provides an outdoor moisture-proof power three-phase unbalanced intelligent regulator, which solves the problems of poor moisture-proof effect, prone to leakage accidents, single power supply mode and poor stability in the existing technology .

(2) Technical solution

In order to achieve the above purpose, the utility model provides the following technical solutions: an outdoor moisture-proof power three-phase unbalance intelligent regulator, including an outer box and an inner box, the inner box is provided inside the outer box, the The four corners of the inner box are provided with four connecting pieces, the inner box is fixedly connected with the outer box through the connecting pieces, the inside of the inner box is provided with a control circuit board, and the two sides of the inner box are provided with There is a tank body, the inside of the tank body is provided with a desiccant, the top of the inner box body is equipped with a humidity sensor, the upper two sides of the inner box body are provided with inner ventilation holes, and the two sides of the outer box body are facing The position of the inner vent hole is provided with an external vent hole, the bottom surface of the outer box is provided with a plurality of drain holes, the top of the outer box is provided with an upper vent hole, and the upper end of the outer box is provided with a connection box body, two exhaust fans are installed on the front side of the connecting box, a rain shed is installed on the upper end of the connecting box, a photovoltaic power generation panel is installed on the upper end of the rain shed, and the outer box One side of the front end is movably hinged with a box door, and a controller is installed on the lower part of the front side of the box door.

Further, legs are welded on both sides of the bottom of the outer box, and mounting holes are opened on the legs.

Further, a visible window is installed on the box door.

Further, the outer ventilation hole is an oblique hole that slopes downward toward the outside of the box.

Further, the humidity sensor is electrically connected with two exhaust fans through a controller.

Further, an electric storage box is installed on the upper end of the outer box on the side connected to the box, and the electric storage box is electrically connected to the photovoltaic power generation panel.

(3) Beneficial effects

Compared with the prior art, the utility model provides an outdoor moisture-proof power three-phase unbalance intelligent regulator, which has the following beneficial effects:

1. The outdoor moisture-proof power three-phase unbalance intelligent regulator, by setting the outer box and the inner box, increases the protection ability of the device, prevents the external water body from directly entering the box through the outer box, and can absorb the internal water by setting the desiccant The moisture inside the box makes the power components run in a dry environment. By setting a humidity sensor and an exhaust fan, the humidity inside the box can be monitored in real time, and when the humidity exceeds the warning value in the controller, the controller will Control the opening of the exhaust fan to increase the circulation of internal and external air, which will discharge the moisture and reduce the risk of electric leakage.

2. The outdoor moisture-proof power three-phase unbalance intelligent regulator, by setting the photovoltaic power generation board, the photovoltaic power generation board can absorb the solar heat energy and convert it into electric energy and send it to the electric storage box to provide the electric energy required for the operation of the utility model, thereby Reduce the risk of equipment paralysis caused by the interruption of traditional power supply and improve the stability of operation.

Description of drawings

Fig. 1 is the exterior view of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the utility model.

In the figure: 1. Outer box; 2. Legs; 3. Mounting hole; 4. Inner box; 5. Connector; 6. Control circuit board; 7. Tank; 8. Desiccant; 9. Humidity sensor; 10. Inner ventilation hole; 11. Outer ventilation hole; 12. Drainage hole; 13. Upper ventilation hole; 14. Connection box; 15. Exhaust fan; 16. Canopy; 17. Photovoltaic power generation panel; 18. Box door; 19. Visual window; 20. Controller; 21. Storage box.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: an outdoor moisture-proof power three-phase unbalance intelligent regulator, including an outer box 1 and an inner box 4, and the inner box of the outer box 1 is provided with an inner box Body 4, to prevent the external water body from directly entering the inner box body 4 through the outer box body 1, four connecting pieces 5 are arranged at the four corners of the inner box body 4, and the inner box body 4 is fixedly connected with the outer box body 1 through the connecting pieces 5, The inside of the inner box body 4 is provided with a control circuit board 6, and both sides of the inner box body 4 are provided with a tank body 7, and the inside of the tank body 7 is provided with a desiccant 8, and the desiccant 8 can absorb the moisture in the inner box body 4, Make the power components run in a dry environment. A humidity sensor 9 is installed on the top of the inner box 4. The model of the humidity sensor 9 is DHT11, which can monitor the humidity inside the inner box 4 in real time and warn when the humidity exceeds the controller 20. value, the exhaust fan 15 is controlled by the controller 20 to increase the circulation of the internal and external air, and the moisture will be discharged to reduce the risk of leakage. The inner ventilation holes 10 are opened on both sides of the upper part of the inner box body 4, and the outer box body 1 The two sides are facing the inner ventilation holes 10 and are provided with external ventilation holes 11. The bottom surface of the outer box body 1 is provided with a plurality of drain holes 12, and the top of the outer box body 1 is provided with an upper ventilation hole 13. The upper end of the outer box body 1 A connection box 14 is provided, two exhaust fans 15 are installed on the front side of the connection box 14, a rain shelter 16 is installed on the upper end of the connection box 14, and a photovoltaic power generation panel 17 is installed on the upper end of the rain shelter 16, and the photovoltaic The power generation panel 17 can absorb solar heat energy and convert it into electric energy and send it to the electric storage box 21 to provide the electric energy required for the operation of the utility model, thereby reducing the risk of equipment paralysis caused by the interruption of traditional electric power supply and improving the stability of operation Characteristic, a box door 18 is movably hinged on one side of the front end of the outer box body 1, and a controller 20 is installed on the lower part of the front side of the door 18, and the model of the controller 20 is AH500.

Specifically, legs 2 are welded on both sides of the bottom of the outer box body 1 , and mounting holes 3 are opened on the legs 2 .

Specifically, a viewing window 19 is installed on the box door 18 .

Specifically, the outer ventilation hole 11 is an oblique hole that slopes downward toward the outside of the box.

Specifically, the humidity sensor 9 is electrically connected to the two exhaust fans 15 through the controller 20 .

Specifically, an electric storage box 21 is installed on the upper end of the outer box 1 on the side connected to the box 14 , and the electric storage box 21 is electrically connected to the photovoltaic power generation panel 17 .

When in use, in a natural state, the air in the inner box 4 can communicate with the outside world through the inner vent hole 10 and the outer vent hole 11 to maintain basic air circulation and heat dissipation. When it rains, the canopy 16 can block the rainwater. When rainwater falls into the outer box body 1 through the outer vent hole 11, the rainwater will fall to the outer box body 1 and the inner box body 4. and discharge through the drain hole 12 at the bottom of the outer box body 1. When the humidity sensor 9 detects that the air humidity in the inner box body 4 exceeds the preset warning value, it will feed back information to the controller 20 to control After receiving the signal, the controller 20 controls to turn on the exhaust fan 15 to quickly discharge the internal moisture, accelerate the air circulation, and keep the interior dry. At the same time, the photovoltaic power generation panel 17 converts solar heat into electrical energy and sends it to the storage box 21 for other electrical equipment and components. use.

To sum up, the outdoor moisture-proof power three-phase unbalance intelligent regulator solves the problem of moisture-proofing in the existing technology by setting the outer box 1, the inner box 4, the humidity sensor 9, the exhaust fan 15 and the photovoltaic power generation panel 17. The effect is poor, leakage accidents are prone to occur, and the power supply method is single and the stability is poor.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. An outdoor moisture-proof power three-phase unbalanced intelligent regulator, comprising an outer box (1) and an inner box (4), characterized in that: the inside of the outer box (1) is provided with an inner box ( 4), the four corners of the inner box (4) are provided with four connecting pieces (5), the inner box (4) is fixedly connected with the outer box (1) through the connecting pieces (5), the The inside of the inner box (4) is provided with a control circuit board (6), the two sides of the inner box (4) are provided with tanks (7), and the inside of the tank (7) is provided with a desiccant ( 8), the inner top of the inner box (4) is equipped with a humidity sensor (9), and both sides of the upper part of the inner box (4) are provided with inner ventilation holes (10), and the outer box (1) Both sides are opposite to the position of the inner air hole (10) and are provided with an outer air hole (11), and the bottom surface of the outer box (1) is provided with a plurality of drain holes (12), and the outer box (1) The upper end is provided with an upper ventilation hole (13), the upper end of the outer box (1) is provided with a connecting box (14), and two exhaust fans (15) are installed on the front side of the connecting box (14) , the upper end of the connecting box (14) is equipped with a rain shelter (16), the upper end of the rain shelter (16) is equipped with a photovoltaic power generation panel (17), and the front end of the outer box (1) is a A box door (18) is arranged on the side movable hinge, and a controller (20) is installed on the lower part of the front side of the box door (18). 2. An outdoor moisture-proof power three-phase unbalanced intelligent regulator according to claim 1, characterized in that: legs (2) are welded on both sides of the bottom of the outer box (1), and the legs (2) ) is provided with mounting holes (3). 3. An outdoor moisture-proof power three-phase unbalance intelligent regulator according to claim 1, characterized in that: a visible window (19) is installed on the box door (18). 4. An outdoor moisture-proof three-phase unbalance intelligent regulator for electric power according to claim 1, characterized in that: the outer ventilation hole (11) is an oblique hole that slopes downward toward the outside of the box. 5. An outdoor moisture-proof power three-phase unbalance intelligent regulator according to claim 1, characterized in that: the humidity sensor (9) is electrically connected to two exhaust fans (15) through the controller (20) connect. 6. An outdoor moisture-proof power three-phase unbalance intelligent regulator according to claim 1, characterized in that: the upper end of the outer box (1) is connected to the side of the box (14). A box (21), the electricity storage box (21) is electrically connected with the photovoltaic power generation panel (17).