CN220254332U - Inverter and electrical equipment - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of electrical equipment, and particularly discloses an inverter and electrical equipment, which comprise a box body, a circuit board assembly, an insulating part and an inductance assembly, wherein the box body is provided with a containing cavity, the circuit board assembly comprises a power board and a communication board, the power board and the communication board are both fixed in the containing cavity, the power board and the communication board are mutually close to each other, the power board is electrically connected with the communication board, the insulating part is fixed in the containing cavity, the insulating part is positioned between the power board and the communication board, the inductance assembly is arranged on the surface of the box body, and the inductance assembly is electrically connected with the power board. By the mode, the embodiment of the utility model can reduce the occupied space of the inverter.

Description

Inverter and electrical equipment

Technical Field

The embodiment of the utility model relates to the technical field of electrical equipment, in particular to an inverter and electrical equipment.

Background

An inverter is a converter for converting direct current into alternating current, and is widely used in various fields, for example: the inverter is applied to the field of photovoltaic power generation, and the inverter converts direct current generated by the photovoltaic power generation assembly into alternating current for grid connection or for load equipment.

However, in implementing embodiments of the present utility model, the inventors found that: at present, the dc-to-ac converter includes box, power board, communication board, inductance subassembly and radiator, and power board and communication board set up in the box, and inductance subassembly and radiator set up in the box, and inductance subassembly is connected with the power board electricity. When the inverter runs, the power board and the communication board are all provided with current to pass through, in order to avoid the damage of the devices of the power board and the communication board caused by the discharge phenomenon caused by the mutual influence of the devices of the power board and the devices of the communication board, the safety distance is usually reserved between the power board and the communication board, but the safety distance can lead to the large occupied space of the inverter.

Disclosure of Invention

The technical problem solved by the embodiment of the utility model is to provide an inverter and electrical equipment, and the occupied space of the inverter is reduced.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an inverter, including box, circuit board subassembly, insulating part and inductance subassembly, the box is provided with the holding chamber, the circuit board subassembly includes power board and communication board, the power board with the communication board is all fixed in the holding chamber, the power board with the communication board is close to each other, the power board with the communication board electricity is connected, the insulating part is fixed in the holding chamber, and the insulating part is located the power board with between the communication board, inductance subassembly set up in the surface of box, the inductance subassembly with the power board electricity is connected.

Optionally, the insulating piece includes wall portion and fixed part, the fixed part is that the one end of wall portion is buckled and is obtained, the fixed part is fixed in the chamber bottom of holding chamber, wall portion is located between the communication board and the power board.

Optionally, the insulator is made of PET material.

Optionally, the inverter further comprises a radiator, a first opening is arranged at the bottom of the accommodating cavity, the first opening is communicated with the accommodating cavity, the radiator is arranged at the first opening, and the radiator is propped against the power piece of the power board.

Optionally, the radiator includes base plate and a plurality of first fin, the base plate sets up in first opening part, the first surface of base plate with the power piece of power board supports and holds, a plurality of first fin interval set up in the second surface of base plate, adjacent two have the heat dissipation passageway between the first fin.

Optionally, the inverter further includes a first fan assembly, the first fan assembly includes a fixed cover and a first fan, the fixed cover is provided with an air inlet and a first air outlet, the fixed cover is fixed in the surface of the box, and the fixed cover is located the radiator, the first fan is set up in the fixed cover inner wall, and the first fan is fixed in air inlet department, the first fan is used for driving the air current to flow along the heat dissipation passageway to give off heat.

Optionally, the fixed cover is provided with a second air outlet and a third air outlet.

Optionally, the inverter includes a second fan assembly, the second fan assembly is fixed in the accommodating cavity, a gap exists between the power board and the cavity bottom of the accommodating cavity, the gap is respectively communicated with the accommodating cavity and the first opening, and the second fan assembly is used for driving airflow to flow between the accommodating cavity, the gap and the first opening so as to radiate heat of the power board.

Optionally, the inverter further comprises a ventilation valve, a ventilation port is arranged at the bottom of the accommodating cavity, the ventilation port is communicated with the accommodating cavity, and the ventilation valve is fixed to the ventilation port.

In order to solve the technical problems, the utility model adopts another technical scheme that: an electrical apparatus is provided comprising the inverter described above.

In the embodiment of the utility model, the inverter comprises a box body, a circuit board assembly, an insulating part and an inductance assembly, wherein the box body is provided with a containing cavity, the circuit board assembly comprises a power board and a communication board, the power board and the communication board are both fixed in the containing cavity, the power board and the communication board are mutually close, the power board is electrically connected with the communication board, the insulating part is fixed in the containing cavity, the insulating part is positioned between the power board and the communication board, the inductance assembly is arranged on the surface of the box body, and the inductance assembly is electrically connected with the power board. The insulating piece is arranged between the power board and the communication board which are close to each other, so that the devices of the power board and the devices of the communication board can not mutually influence to generate a discharge phenomenon during operation, and the safety distance is not required to be arranged between the power board and the communication board, so that the occupied space of the inverter is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an inverter according to an embodiment of the present utility model;

fig. 2 is a schematic exploded view of an inverter according to an embodiment of the present utility model;

fig. 3 is a schematic exploded view of a case of an inverter according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of an insulating member of an inverter according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a second fan assembly of an inverter according to an embodiment of the present utility model.

Reference numerals illustrate:

1. an inverter; 11. a case; 111. a bottom case; 1111. a first opening; 1112. a second opening; 1113. a ventilation port; 1114. a first support column; 1115. a second support column; 116. a direct current opening; 1117. an input opening; 1118. a first communication opening; 1119. a second communication opening; 111a, an output opening; 112. an upper cover; 113. a receiving chamber; 12. a circuit board assembly; 121. a power board; 122. a communication board; 13. an insulating member; 131. a partition portion; 132. a fixing part; 1321. an avoidance port; 14. an inductance assembly; 141. a heat dissipation shell; 1411. a receiving groove; 1412. a second heat sink; 15. a heat sink; 151. a substrate; 1511. an annular groove; 152. a first heat sink; 16. a first fan assembly; 161. a fixed cover; 1611. an air inlet; 1612. a first air outlet; 1613. a second air outlet; 1614. a third air outlet; 162. a first fan; 17. a second fan assembly; 171. a bracket; 172. a second fan; 18. a ventilation valve; 19. a DC switch; 20. an input port; 21. a first communication port; 22. a second communication port; 23. an output port; 24. and a display assembly.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "locked" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the inverter 1 includes a case 11, a circuit board assembly 12, an insulating member 13, an inductance assembly 14, a heat sink 15, a first fan assembly 16, a second fan assembly 17, and an air vent valve 18. The circuit board assembly 12 is fixed in the case 11. An insulator 13 is secured within the housing 11, the insulator 13 being positioned between a portion of the circuit board assembly 12 and another portion of the circuit board assembly 12. The inductance assembly 14 is disposed on the surface of the case 11, and the inductance assembly 14 is electrically connected to the circuit board assembly 12. The radiator 15 is disposed on the surface of the case 11, and the radiator 15 abuts against a part of the devices of the circuit board assembly 12. The first fan assembly 16 is fixed on the surface of the case 11, and the first fan assembly 16 is covered on the radiator 15. The second fan assembly 17 is fixed in the housing 11. The ventilation valve 18 is provided in the case 11.

For the above-mentioned case 11, referring to fig. 3, the case 11 includes a bottom case 111 and an upper cover 112, the upper cover 112 is covered on the bottom case 111, and the bottom case 111 and the upper cover 112 enclose a receiving cavity 113. The bottom chassis 111 is provided with a first opening 1111, a second opening 1112, an air vent 1113, a first support column 1114, and a second support column 1115. The first opening 1111, the second opening 1112, the air vent 1113, the first support column 1114 and the second support column 1115 are all disposed at the bottom of the accommodating cavity 113, the first opening 1111, the second opening 1112 and the air vent 1113 are all communicated with the accommodating cavity 113, and the first support column 1114 and the second support column 1115 are used for supporting the circuit board assembly 12.

For the above-mentioned circuit board assembly 12, referring to fig. 2, the circuit board assembly 12 includes a power board 121 and a communication board 122. The power board 121 is carried by the first support column 1114, such that the power board 121 is fixed in the accommodating cavity 113, and a gap is formed between the power board 121 and the bottom of the accommodating cavity 113, the gap is respectively communicated with the accommodating cavity 113, the first opening 1111 and the second opening 1112, and the power board 121 covers the first opening 1111 and the second opening 1112. The communication board 122 is carried by the second supporting column 1115, so that the communication board 122 is fixed in the accommodating cavity 113, the communication board 122 is electrically connected with the power board 121, and the communication board 122 and the power board 121 are close to each other, which is beneficial to reducing the occupied space of the inverter 1.

For the insulating member 13, referring to fig. 4, the insulating member 13 includes a partition portion 131 and a fixing portion 132, and the fixing portion 132 is formed by bending one end of the partition portion 131. The partition portion 131 is located between the power board 121 and the communication board 122, and the partition portion 131 is used for avoiding that the devices of the power board 121 and the devices of the communication board 122, which are close to each other, are mutually affected to generate a discharge phenomenon when in operation, so that the devices of the power board 121 and the devices of the communication board 122 are damaged, safe operation of the power board 121 and the communication board 122 is ensured, and a safety distance is not required to be set between the power board 121 and the communication board 122, so that occupied space of the inverter 1 is reduced. The fixing portion 132 is fixed to the bottom of the accommodating cavity 113, so that the insulating member 13 is fixed to the accommodating cavity 113, and the fixing portion 132 is provided with a avoiding opening 1321, and the avoiding opening 1321 is provided for the second support column 1115 to pass through.

In some embodiments, the fixing portion 132 is provided with an adhesive layer, and the fixing portion 132 is adhesively fixed to the bottom of the receiving chamber 113 by the adhesive layer.

In some embodiments, the insulator 13 is integrally made of PET material.

For the above-mentioned inductor assembly 14, referring to fig. 2, the inductor assembly 14 includes a heat dissipation case 141 and an inductor (not shown). The heat dissipation shell 141 is disposed on the surface of the bottom shell 111, the heat dissipation shell 141 is covered on the second opening 1112, the heat dissipation shell 141 is provided with a containing groove 1411 and a plurality of second heat dissipation fins 1412, the containing groove 1411 is communicated with the second opening 1112, and the plurality of second heat dissipation fins 1412 are arranged around two sides of the surface of the heat dissipation shell 141 at intervals. The inductor is fixed in the accommodation groove 1411, and the inductor is electrically connected to the power board 121.

For the above heat sink 15, referring to fig. 2, the heat sink 15 includes a substrate 151 and a plurality of first heat sinks 152. The substrate 151 is disposed at the first opening 1111, and the first surface of the substrate 151 abuts against the power element of the power board 121. The plurality of first heat dissipation fins 152 are disposed on the second surface of the substrate 151 at intervals, and a heat dissipation channel is disposed between two adjacent first heat dissipation fins 152, and the air supply flow of the heat dissipation channel exchanges heat with the first heat dissipation fins 152 to dissipate heat.

In some embodiments, the inverter 1 further includes a sealing member (not shown), the first surface of the base plate 151 is provided with an annular groove 1511, the sealing member is disposed in the annular groove 1511, and the sealing member abuts against the surface of the case 11, and seals a gap between the base plate 151 and the surface of the case 11, thereby preventing moisture and dust from entering the accommodating chamber 113.

For the first fan assembly 16 described above, referring to fig. 2, the first fan assembly 16 includes a fixed cover 161 and a first fan 162. The fixed cover 161 is fixed on the surface of the bottom case 111, and the fixed cover 161 is provided with an air inlet 1611, a first air outlet 1612, a second air outlet 1613, and a third air outlet 1614. The air inlet 1611 is disposed at one end of the fixed cover 161. The first air outlet 1612 is disposed at the other end of the fixed cover 161. The second outlet is provided at a first side of the other end of the fixed cover 161. The third air outlet 1614 is disposed on a second side of the other end of the fixed cover 161, and the second side intersects the first side. The first air outlet 1612, the second air outlet 1613, and the third air outlet 1614 make the air flow diffuse in an arc shape, so that the air flow is smooth, and the heat dissipation efficiency is improved. The first fan 162 is fixed on the inner wall surface of the fixed cover 161, and the first fan 162 is fixed at the air inlet 1611, and the first fan 162 is used for driving the air flow to flow along the heat dissipation channel to exchange heat with the first heat dissipation fins 152 to take away heat, and then flow out of the fixed cover 161 from the first air outlet 1612, the second air outlet 1613 and the third air outlet 1614.

In some embodiments, the first air outlet 1612, the second air outlet 1613, and the third air outlet 1614 are all honeycomb-shaped.

For the second fan assembly 17 described above, referring to fig. 5, the second fan assembly 17 includes a bracket 171 and a second fan 172. The bracket 171 is fixed to the bottom of the accommodating chamber 113. The second fan 172 is fixed to the bracket 171, so that the second fan assembly 17 is fixed to the accommodating cavity 113, and the second fan 172 is used for driving air flow to flow among the accommodating cavity 113, the gap, the first opening 1111, the second opening 1112 and the accommodating groove 1411 so as to emit heat generated when the device of the power board 121 operates, and when the air flow passes through the first opening 1111 and the accommodating groove 1411, the air flow exchanges heat with the radiator 15 and the radiating shell 141 respectively so as to emit heat, thereby avoiding heat accumulation and damaging the device of the power board 121.

For the above-mentioned breather valve 18, referring to fig. 2, the breather valve 18 is fixed to the breather hole 1113, and the breather valve 18 is used for allowing the accommodating cavity 113 to communicate with the outside to form convection, and preventing water vapor and dust from entering the accommodating cavity 113.

In some embodiments, referring to fig. 1-3, the inverter 1 further includes a dc switch 19, an input port 20, a first communication port 21, a second communication port 22, an output port 23, and a display assembly 24. The bottom case 111 is provided with a direct current opening 116, an input opening 1117, a first communication opening 1118, a second communication opening 1119, and an output opening 111a. The dc switch 19 is fixed to the dc opening 116, and the dc switch 19 is electrically connected to the power board 121. The input port 20 is fixed to the input opening 1117, and the input port 20 is electrically connected to the power board 121. The first communication port 21 is fixed to the first communication opening 1118, and the first communication port 21 is electrically connected to the communication board 122. The second communication port 22 is fixed to the second communication opening 1119, and the second communication opening 1119 is electrically connected to the communication board 122. The output port 23 is fixed to the output opening 111a, and the output port 23 is electrically connected to the power board 121. The display assembly 24 is fixed on the upper cover 112, and the display assembly 24 is electrically connected with the communication board 122.

In the embodiment of the utility model, the inverter 1 includes a case 11, a circuit board assembly 12, an insulating member 13 and an inductance assembly 14, the case 11 is provided with a containing cavity 113, the circuit board assembly 12 includes a power board 121 and a communication board 122, the power board 121 and the communication board 122 are both fixed in the containing cavity 113, the power board 121 and the communication board 122 are close to each other, the power board 121 is electrically connected with the communication board 122, the insulating member 13 is fixed in the containing cavity 113, and the insulating member 13 is located between the power board 121 and the communication board 122, the inductance assembly 14 is arranged on the surface of the case 11, and the inductance assembly 14 is electrically connected with the power board 121. The insulating piece 13 is arranged between the power board 121 and the communication board 122 which are close to each other, so that the devices of the power board 121 and the devices of the communication board 122 can not mutually influence to generate a discharge phenomenon during operation, and the safety distance between the power board 121 and the communication board 122 is not required, so that the occupied space of the inverter 1 is reduced.

The present utility model also provides an embodiment of an electrical apparatus, where the electrical apparatus includes the inverter 1 described above, and the structure and the function of the inverter 1 may refer to the above embodiment, which is not described herein again.

It should be noted that the description of the present utility model and the accompanying drawings illustrate preferred embodiments of the present utility model, but the present utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations of the utility model, but are provided for a more thorough understanding of the present utility model. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present utility model described in the specification; further, modifications and variations of the present utility model may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this utility model as defined in the appended claims.

Claims (10)

1. An inverter, comprising:

the box body is provided with a containing cavity;

the circuit board assembly comprises a power board and a communication board, wherein the power board and the communication board are both fixed in the accommodating cavity, the power board and the communication board are close to each other, and the power board is electrically connected with the communication board;

the insulating piece is fixed in the accommodating cavity and is positioned between the power board and the communication board;

the inductance component is arranged on the surface of the box body and is electrically connected with the power board.

2. The inverter according to claim 1, wherein,

the insulating piece comprises a partition part and a fixing part, wherein one end of the fixing part is bent to form the partition part, the fixing part is fixed at the bottom of the accommodating cavity, and the partition part is positioned between the communication board and the power board.

3. The inverter according to claim 2, wherein,

the insulator is made of PET material.

4. The inverter according to claim 1, wherein,

the inverter further comprises a radiator, a first opening is formed in the bottom of the accommodating cavity, the first opening is communicated with the accommodating cavity, the radiator is arranged at the first opening, and the radiator is propped against the power piece of the power board.

5. The inverter according to claim 4, wherein,

the radiator comprises a substrate and a plurality of first radiating fins, wherein the substrate is arranged at the first opening, the first surface of the substrate is propped against the power piece of the power board, the plurality of first radiating fins are arranged on the second surface of the substrate at intervals, and a radiating channel is reserved between two adjacent first radiating fins.

6. The inverter according to claim 5, wherein,

the inverter also comprises a first fan assembly, the first fan assembly comprises a fixed cover and a first fan, the fixed cover is provided with an air inlet and a first air outlet, the fixed cover is fixed on the surface of the box body, the fixed cover is arranged on the radiator, the first fan is arranged on the inner wall surface of the fixed cover, the first fan is fixed at the air inlet, and the first fan is used for driving airflow to flow along the radiating channel so as to radiate heat.

7. The inverter according to claim 6, wherein the inverter comprises,

the fixed cover is provided with a second air outlet and a third air outlet.

8. The inverter according to claim 5, wherein,

the inverter comprises a second fan assembly, the second fan assembly is fixed in the accommodating cavity, a gap is reserved between the power board and the cavity bottom of the accommodating cavity, the gap is respectively communicated with the accommodating cavity and the first opening, and the second fan assembly is used for driving airflow to flow between the accommodating cavity, the gap and the first opening so as to radiate heat of the power board.

9. The inverter according to any one of claims 1 to 8, wherein,

the inverter further comprises a ventilation valve, a ventilation opening is formed in the bottom of the accommodating cavity, the ventilation opening is communicated with the accommodating cavity, and the ventilation valve is fixed to the ventilation opening.

10. An electrical apparatus comprising an inverter as claimed in any one of claims 1 to 9.