Novel inverter

Abstract

The utility model discloses a novel inverter, which comprises a box body, a box door, an inversion module and a heat dissipation mechanism, the front face of the box body is open, one side of the box body is provided with an alternating current input connector and a direct current output connector, and the back face of the box body is provided with an air inlet and an air outlet. The box door is connected with the box body and movably covers the opening in the front face of the box body. The inversion module is arranged in the box body, a heat dissipation channel communicated with the air inlet and the air outlet is formed between the inversion module and the back face of the box body, and the inversion module is electrically connected with the alternating current input connector and the direct current output connector. The heat dissipation mechanism comprises a heat dissipation device and an air inlet fan, the heat dissipation device is arranged in the heat dissipation air channel and makes contact with the IGBT module of the inversion module, and the air inlet fan is arranged in the heat dissipation air channel and is close to the air inlet. The novel inverter provided by the utility model has the advantages of good heat dissipation effect and short length.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric energy conversion, especially a novel inverter. BACKGROUND

[0002] The inverter is a kind of equipment that can convert DC into AC, and the inverter is widely used in photovoltaic field and new energy automobile field.But, the heat dissipation effect of existing inverter is not good, leading to the inverter being prone to overheating;In addition, the length of existing inverter is relatively long, and the length direction occupies more.

[0003] In view of the above problems, it is necessary to study a novel inverter with good heat dissipation effect and shorter length. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a novel inverter with good heat dissipation effect and shorter length.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A novel inverter, it includes box, box door, inverter module and heat dissipation mechanism, the box front opening is arranged, and the side of box is equipped with AC input connector and DC output connector, and the back of box is equipped with air inlet and air outlet, the box door is connected with box and covers the opening of the front of box, the inverter module is arranged in the box, and the inverter module and the back of box form the heat dissipation channel that communicates with air inlet and air outlet, and the inverter module is electrically connected with AC input connector and DC output connector, the heat dissipation mechanism includes radiator and air inlet fan, the radiator is arranged in the heat dissipation air duct, and the radiator contacts the IGBT module of inverter module, and the air inlet fan is arranged in the heat dissipation air duct and is close to air inlet.

[0007] The heat dissipation mechanism also includes air outlet fan, and the air outlet fan is arranged in the heat dissipation air duct and is connected with air outlet.

[0008] The heat dissipation air duct has the mouth adjacent to air outlet fan, and the mouth communicates with the inner chamber of box, and the side of box is equipped with air vent.

[0009] The novel inverter also includes incandescent lamp, and the incandescent lamp is arranged in the box and is connected with the capacitor of inverter module in parallel through electronic switch.

[0010] The novel inverter also includes touch screen and control mainboard installed on box door, and the control mainboard is electrically connected with touch screen and inverter module respectively.

[0011] The control mainboard is fixed to the inboard of box door, and the inboard of box door is also matched with mainboard protection plate that covers control mainboard.

[0012] The novel inverter further comprises an emergency switch installed on the side of the box, the emergency switch, the AC input connector and the DC output connector are on the same side of the box, and the emergency switch is electrically connected with the control mainboard.

[0013] The side of the box is matched with a first protective cover for covering the AC input connector and a second protective cover for covering the DC output connector.

[0014] The box is matched with a protective cover for covering the IGBT module of the inverter module.

[0015] The bottom of the box is matched with a roller.

[0016] After the above scheme is adopted, when the novel inverter works, the heat of the inverter module is conducted to the radiator, and the air inlet fan works to make a cooling air flow quickly flow through the cooling air duct, the cooling air flow contacts the cooling part of the radiator to take out the heat of the radiator from the box, so that the heat of the inverter module is conducted out of the box. On the one hand, the cooling air duct formed between the inverter module and the back of the box can guide the cooling air flow, and ensure that the cooling air flow can accurately and quickly act on the radiator; on the other hand, the radiator is in contact with the main heat component IGBT module of the inverter module, so that the main heat of the inverter module is conducted to the radiator; in combination of the two aspects, the novel inverter can quickly conduct most of the heat of the inverter module out of the box, and ensure the cooling effect of the novel inverter. In addition, the cooling air duct is formed between the inverter module and the back of the box, and the radiator of the cooling mechanism and the air inlet fan are arranged in the cooling air duct, so that the length direction space of the box can be reduced, and the length of the novel inverter can be effectively shortened. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Structure diagram of the novel inverter Figure 1 .

[0018] Figure 2 Structure diagram of the novel inverter Figure 2 .

[0019] Figure 3 Partial structure diagram of the novel inverter Figure 1 .

[0020] Figure 4 Partial structure diagram of the novel inverter Figure 2 .

[0021] Figure 5 Partial sectional view of the novel inverter.

[0022] Label explanation:

[0023] Box 1, heat dissipation air duct 100, air inlet 101, air outlet 102, ventilation opening 103, through opening 104, AC input connector 11, DC output connector 12, first protective cover 13, second protective cover 14, protective cover 15, roller 16,

[0024] Box door 2, mainboard protection plate 21,

[0025] Inverter module 3, IGBT module 31, capacitor 32,

[0026] Heat dissipation mechanism 4, radiator 41, air inlet fan 42, air outlet fan 43,

[0027] Incandescent lamp 5,

[0028] Touch screen 6,

[0029] Control mainboard 7,

[0030] Emergency switch 8. DETAILED DESCRIPTION

[0031] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0032] As Figures 1 to 5 shown, the utility model discloses a kind of novel inverters, including box 1, box door 2, inverter module 3 and heat dissipation mechanism 4;Wherein, the box 1 front opening is set, and the side of box 1 is equipped with AC input connector 11 and DC output connector 12, and the back of box 1 is equipped with air inlet 101 and air outlet 102;The box door 2 is connected with box 1 and covers the opening of the front of box 1;The inverter module 3 is set in box 1 and forms the heat dissipation channel communicated with air inlet 101 and air outlet 102 between inverter module 3 and the back of box 1, and inverter module 3 is electrically connected with AC input connector 11 and DC output connector 12;The heat dissipation mechanism 4 includes radiator 41 and air inlet fan 42, and radiator 41 is set in heat dissipation air duct 100 and radiator 41 contacts IGBT module 31 of inverter module 3, and air inlet fan 42 is set in heat dissipation air duct 100 and close to air inlet 101.

[0033] The novel inverter of the utility model realizes the heat conduction of the inverter module 3 to the heat sink 41, and the heat sink 41 is contacted with the heat dissipation airflow to take out the heat of the heat sink 41 from the box body 1, so that the heat of the inverter module 3 is taken out from the box body 1, and the heat dissipation effect of the novel inverter of the utility model is guaranteed. In addition, the heat dissipation air duct 100 of the utility model is formed between the inverter module 3 and the back of the box body 1, and the heat sink 41 and the air inlet fan 42 of the heat dissipation mechanism 4 are arranged in the heat dissipation air duct 100, so that the length direction space of the box body 1 can be reduced, and the length of the novel inverter of the utility model is effectively shortened.

[0034] In the embodiment of the utility model, the side of the box body 1 is matched with the first protective cover 13 of the movable cover AC input connector 11 and the second protective cover 14 of the movable cover DC output connector 12, the first protective cover 13 and the second protective cover 14 can protect the AC input connector 11 and the DC output connector 12 from the influence of dust and water vapor, and the first protective cover 13 and the second protective cover 14 can be hinged with the box body 1.

[0035] In the embodiment of the utility model, the box body 1 can be matched with the protective cover 15 of the IGBT module 31 of the inverter module 3 to protect the IGBT module 31, and the bottom of the box body 1 can be matched with the roller 16 to move the novel inverter of the utility model.

[0036] In the embodiment of the utility model, the box door 2 can be hinged with the box body 1 through a hinge.

[0037] In the embodiment of the utility model, the heat sink 41 of the heat dissipation mechanism 4 can have a plurality of fins to improve the contact area of the heat sink 41 and the heat dissipation airflow, and the heat dissipation effect of the utility model is improved. The heat dissipation mechanism 4 can also include the air outlet fan 43, the air outlet fan 43 is arranged in the heat dissipation air duct 100 and is connected with the air outlet 102, the air outlet fan 43 is used for quickly discharging the heat dissipation airflow of the heat dissipation air duct 100, and the heat dissipation effect is improved. The heat dissipation air duct 100 has the through opening 104 adjacent to the air outlet fan 43, the through opening 104 is communicated with the inner cavity of the box body 1, and the side of the box body 1 is provided with the ventilation opening 103; in this way, the inside of the box body 1 can be convection, and the heat dissipation effect of the utility model is further improved.

[0038] In the embodiment of the utility model, the novel inverter of the utility model still can include incandescent lamp 5, incandescent lamp 5 is set up in box 1 and this incandescent lamp 5 is connected in parallel with the capacitor 32 of inverter module 3 through electronic switch (such as switch tube);When the novel inverter of the utility model does not work, electronic switch is turned on and makes the capacitor 32 of inverter module 3 discharge through incandescent lamp 5, and incandescent lamp 5 works and will emit light, so that people observe incandescent lamp 5 by emitting light and not emitting light, then can obtain the capacitor 32 of inverter module 3 discharge completion, help to improve people's safety.

[0039] In the embodiment of the utility model, the novel inverter of the utility model still can include installation in the touch screen 6 and control mainboard 7 of box door 2, and control mainboard 7 is electrically connected with touch screen 6 and inverter module 3 respectively;People can issue instructions to control mainboard 7 through touch screen 6, and control mainboard 7 further controls inverter module 3, such as controlling the output power, output time etc.of inverter module 3. Among them, control mainboard 7 is fixed in the inside of box door 2, and the inside of box door 2 is further matched with mainboard protection plate 21 that covers control mainboard 7 to protect control mainboard 7.

[0040] In the embodiment of the utility model, the novel inverter of the utility model still can include installation in the emergency switch 8 of box 1, and emergency switch 8, AC input connector 11 and DC output connector 12 can be in the same side of box 1, and emergency switch 8 is electrically connected with control mainboard 7;People can issue emergency shutdown instructions to control mainboard 7 through emergency switch 8, so that control mainboard 7 controls inverter module 3 and stops quickly.

[0041] The above embodiment and drawing are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art makes appropriate changes or modifications, which should be considered as not departing from the patent scope of the utility model.

Claims

1. A novel inverter, characterized in that: Includes the enclosure, door, inverter module, and heat dissipation mechanism; The front of the enclosure is open, one side of the enclosure is provided with an AC input connector and a DC output connector, and the back of the enclosure is provided with an air inlet and an air outlet. The door is connected to the box body and can be moved to cover the opening on the front of the box body; The inverter module is housed in the enclosure, and a heat dissipation channel is formed between the inverter module and the back of the enclosure, which communicates with the air inlet and air outlet. The inverter module is electrically connected to the AC input connector and the DC output connector. The heat dissipation mechanism includes a heat sink and an intake fan. The heat sink is located in the heat dissipation duct and is in contact with the IGBT module of the inverter module. The intake fan is located in the heat dissipation duct and is close to the air inlet.

2. The novel inverter as described in claim 1, characterized in that: The heat dissipation mechanism also includes an exhaust fan, which is installed in the heat dissipation duct and connected to the air outlet.

3. The novel inverter as described in claim 2, characterized in that: The heat dissipation duct has an opening adjacent to the exhaust fan, which communicates with the inner cavity of the housing; the side of the housing is provided with a ventilation opening.

4. The novel inverter as described in claim 1, characterized in that: It also includes an incandescent lamp, which is installed inside the enclosure and connected in parallel with the capacitor of the inverter module via an electronic switch.

5. The novel inverter as described in claim 1, characterized in that: It also includes a touch screen and a control motherboard installed on the door, with the control motherboard electrically connected to the touch screen and the inverter module respectively.

6. The novel inverter as described in claim 5, characterized in that: The control board is fixed inside the cabinet door, and a mainboard protection board covering the control board is also provided inside the cabinet door.

7. The novel inverter as described in claim 5, characterized in that: It also includes an emergency switch installed on the side of the enclosure. The emergency switch, AC input connector, and DC output connector are located on the same side of the enclosure, and the emergency switch is electrically connected to the control main board.

8. The novel inverter as described in claim 1, characterized in that: The side of the enclosure is fitted with a first protective cover that can be moved to cover the AC input connector and a second protective cover that can be moved to cover the DC output connector.

9. The novel inverter as described in claim 1, characterized in that: The enclosure contains a protective cover for the IGBT module that houses the inverter module.

10. The novel inverter as described in claim 1, characterized in that: The bottom of the box is fitted with casters.

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