CN206620099U - A kind of photovoltaic combiner box of safe constant temperature - Google Patents

Abstract

The utility model discloses a safe and constant temperature photovoltaic combiner box, which comprises a control box, a box body, a base, a thermal insulation layer and a pressure relief valve, the control box is installed on the top of the box body, and a control Panel, the box is divided into three layers, the box door is installed on the box, the inside of the box is fixed with an electrical component mounting plate, a temperature sensor is installed on the right side of the electrical component mounting plate, and the temperature A pressure sensor is installed below the sensor, a base is installed on the bottom of the box, and a compressor is installed inside the base, the compressor is connected to the refrigeration pipe inside the box, and one side of the box is provided with a waterproof Connector, and the right side of the waterproof connector is provided with a pressure relief valve. The utility model can make the electrical components work at a constant low temperature, prolong the service life of the electrical components, and adjust the air pressure inside the box in time to avoid potential safety hazards.

Description

A safe and constant temperature photovoltaic combiner box

technical field

The utility model relates to the technical field of combiner box equipment, in particular to a safe and constant temperature photovoltaic combiner box.

Background technique

With the country's support for photovoltaic new energy, photovoltaic products have achieved rapid development in recent years, and the matching photovoltaic combiner boxes have also been widely used. At present, in order to achieve the protection level of IP65, the photovoltaic combiner boxes on the market do not leave cooling holes or cooling devices such as fans. , more and more combiner boxes are used in the vast western plateau areas, where the ambient temperature is high and the pressure is high. Some combiner boxes can reach over 70 degrees Celsius when they are in use. Due to the high ambient temperature, This kind of situation that does not consider the specific use occasion will cause the circuit breaker overload long-time delay protection to trip early and cause false action, the circuit breaker trips frequently and the photovoltaic system cannot generate electricity. Serious consequences.

Utility model content

The purpose of the utility model is to provide a safe and constant temperature photovoltaic combiner box to solve the problems raised in the above-mentioned background technology. The service life of the components can also be adjusted in time to avoid potential safety hazards.

In order to achieve the above purpose, the utility model provides the following technical solutions: a safe and constant temperature photovoltaic combiner box, including a control box, a box body, a base, an insulation layer and a pressure relief valve, the control box is installed on the top of the box body, and A power switch is installed on the left side of the control box, and a control panel is arranged on the right side of the power switch. The box body is divided into three layers, and the box body is successively composed of an aluminum alloy layer, an insulation layer and a PVC board layer from outside to inside. A box door is installed on the box body, and a built-in lock is provided at the connection between the left side of the box door and the box body, an electrical component mounting plate is fixed inside the box body, and LED lighting is installed above the electrical component mounting plate Light, a temperature sensor is installed on the right side of the electrical component mounting plate, and a pressure sensor is installed under the temperature sensor, a base is installed on the bottom of the box, and a compressor is installed inside the base, and the compressor and The refrigeration pipe inside the box is connected, and a waterproof terminal is provided on one side of the box, and a pressure relief valve is provided on the right side of the waterproof terminal.

Preferably, the front of the base is provided with cooling mesh holes.

Preferably, fixing plates are fixed on both sides of the base, and the fixing plates are provided with bolt holes.

Preferably, a handle is installed on the box door.

Preferably, the temperature sensor, the pressure sensor and the compressor are all connected to the control box through wires, and the models of the temperature sensor and the pressure sensor are PT100 and CPS130 respectively.

The beneficial effects achieved by the utility model are: the equipment is equipped with a temperature sensor and a pressure sensor in the box body, which can monitor the temperature and air pressure in the box body in real time. The components work at a constant low temperature to prolong the service life of electrical components. When the air pressure in the box is too high, the pressure relief valve opens to adjust the air pressure inside the box in time to avoid potential safety hazards. A control box is installed on the top of the box , can realize the intelligent control of the device.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model;

Fig. 3 is a side view of the utility model;

In the figure: 1-control box; 2-power switch; 3-display screen; 4-LED lighting; 5-electric component mounting plate; 6-box; 7-temperature sensor; 8-pressure sensor; 9-radiating net Hole; 10-base; 11-fixed plate; 12-door; 13-built-in lock; 14-aluminum alloy layer; 15-insulation layer; 16-PVC layer; 17-refrigeration pipe; 18-compressor; 19-waterproof Wiring head; 20-pressure relief valve.

detailed description

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 Figures 1-3, an embodiment provided by the utility model: a safe and constant temperature photovoltaic combiner box, including a control box 1, a box body 6, a base 10, an insulation layer 15 and a pressure relief valve 20, and a control box 1 Installed on the top of the box body 6, and the left side of the control box 1 is equipped with a power switch 2, and the right side of the power switch 2 is provided with a control panel 3, the box body 6 is divided into three layers, and the box body 6 is sequentially arranged from outside to inside Aluminum alloy layer 14, insulation layer 15 and PVC board layer 16, box door 12 is installed on the box body 6, and the junction of the left side of box door 12 and box body 6 is provided with built-in lock 13, and the inside of box body 6 is fixed with An electrical component mounting plate 5, and an LED lighting lamp 4 is installed above the electrical component mounting plate 5, a temperature sensor 7 is installed on the right side of the electrical component mounting plate 5, and a pressure sensor 8 is installed below the temperature sensor 7, and the box body 6 A base 10 is installed at the bottom of the base 10, and a compressor 18 is installed inside the base 10. The compressor 18 is connected to the refrigeration pipe 17 inside the box body 6, and one side of the box body 6 is provided with a waterproof terminal 19, and the waterproof terminal 19 A pressure relief valve 20 is provided on the right side of the base 10, a cooling mesh 9 is provided on the front of the base 10, a fixed plate 11 is fixed on both sides of the base 10, and the fixed plate 11 is provided with bolt holes, a handle is installed on the door 12, and a temperature sensor 7. Both the pressure sensor 8 and the compressor 18 are connected to the control box 1 through wires, and the models of the temperature sensor 7 and the pressure sensor 8 are PT100 and CPS130 respectively.

Working principle: When in use, turn on the power supply of the device, connect the line through the waterproof terminal 19 on the side of the box body 6, turn on the power switch 2, control the device through the control panel 3, and monitor the box in real time with the temperature sensor 7 and pressure sensor 8 The temperature and pressure in the body 6 are displayed on the control panel 3. When the temperature is too high, the control box 1 controls the compressor 18 in the base 10 to work, and the compressor 18 performs cooling and cooling through the refrigeration pipe 17 , when the air pressure in the box 6 is too high, the control box 1 will control the pressure relief valve 20 to open to reduce the pressure in the box 6, and the connection between the box door 12 and the box body is provided with a built-in lock 13, which can prevent the box door 12 from being Easy to open, the fixing plate 11 around the base 10 can fix the device and prevent the device from toppling over.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. a kind of photovoltaic combiner box of safe constant temperature, including control box (1), casing (6), base (10), heat-insulation layer (15) and let out Pressure valve (20), it is characterised in that：The control box (1) is arranged on the top of casing (6), and is provided with the left of control box (1) Control panel (3) is provided with the right of power switch (2), the power switch (2), the casing (6) is divided into three layers, and casing (6) it is followed successively by from outside to inside on aluminium alloy layer (14), heat-insulation layer (15) and PVC board layer (16), the casing (6) and chamber door is installed (12), and the left side of chamber door (12) and the junction of casing (6) are provided with built-in lock (13), the inside of the casing (6) is fixed with LED illumination lamp (4), the electric component peace are installed above electric component installing plate (5), and electric component installing plate (5) It is provided with the right side of dress plate (5) below temperature sensor (7), and temperature sensor (7) and pressure sensor (8) is installed, institute The bottom for stating casing (6) is provided with base (10), and the inside of base (10) is provided with compressor (18), the compressor (18) The refrigerator pipes (17) internal with casing (6) are connected, and the side of the casing (6) is provided with waterproof connector lug (19), and waterproof connects Relief valve (20) is provided with the right of the end of a thread (19).

2. a kind of photovoltaic combiner box of safe constant temperature according to claim 1, it is characterised in that：The base (10) is just Face is provided with radiating mesh (9).

3. a kind of photovoltaic combiner box of safe constant temperature according to claim 1, it is characterised in that：The two of the base (10) Side is fixed with fixed plate (11), and fixed plate (11) is provided with bolt hole.

4. a kind of photovoltaic combiner box of safe constant temperature according to claim 1, it is characterised in that：Pacify on the chamber door (12) Equipped with handle.

5. a kind of photovoltaic combiner box of safe constant temperature according to claim 1, it is characterised in that：The temperature sensor (7), pressure sensor (8) and compressor (18) are connected by wire with control box (1), and temperature sensor (7) and pressure The model of sensor (8) is respectively PT100 and CPS130.