CN220857897U - Micro inverter with mounting structure - Google Patents

Abstract

The utility model discloses a micro inverter with a mounting structure, which belongs to the technical field of micro inverters and comprises: the fan assembly comprises a shell, wherein an inverter circuit board is fixedly installed in the shell, an exhaust box is fixedly installed at the end part of the right end of the shell, a detachable air outlet mask is connected to the opening part of the exhaust box, a fan group is fixedly installed at the center in the exhaust box, and a wiring module is fixedly installed at the front side of the end part of the left end of the shell. Therefore, when the installation work is carried out in an environment with poor operating conditions, the fixed shell seat with smaller volume and regular shape can be installed and fixed at first, then the clamping plate fixedly arranged on the inverter is inserted into the fixed shell seat, the fixed installation work of the inverter can be realized, the condition is provided for the fixed inverter, in addition, the detachable filter structure is arranged at the air inlet of the inverter, and the influence on the normal work of the inverter caused by dust and moisture in the air entering the inverter can be effectively prevented.

Description

Micro inverter with mounting structure

Technical Field

The utility model relates to a micro inverter, in particular to a micro inverter with a mounting structure, and belongs to the technical field of micro inverters.

Background

The inverter is a converter for converting direct-current electric energy (a battery and an accumulator jar) into constant-frequency constant-voltage or frequency-modulated voltage-modulated alternating current (generally 220V,50Hz sine wave). It is generally composed of inverter bridge, control logic and filter circuit, etc. and is widely applicable to air conditioner, home theater, electric grinding wheel, electric tool, sewing machine, DVD, VCD, computer, television, washing machine, kitchen ventilator, refrigerator, video recorder, massager, fan, lighting, etc. The inverter can be used for connecting the storage battery to drive electric appliances and various tools to work when the automobile is out or traveling at home and abroad due to higher popularization rate of the automobile. The on-board inverter output by the cigar lighter is 20W, 40W, 80W, 120W to 150W power specification.

The present chinese patent with publication number (CN 217486459U) discloses a micro inverter, the structure of the utility model includes a group of micro inverter, inverter fixing mechanism and inverter bridge assembly, wherein the inverter fixing mechanism includes a chassis, a group of sliding tables, a base for fixing the inverter and an inverter locking device, the inverter locking device includes a positioning plate, a locking screw mounting plate, a locking screw and a locking plate.

Disclosure of utility model

The technical problem to be solved by the utility model is to provide the micro inverter with the mounting structure, when the micro inverter is mounted in an environment with poor operation conditions, the mounting and fixing of the fixed shell seat with smaller volume and regular shape can be realized firstly, then the clamping plate fixedly arranged on the inverter is inserted into the fixed shell seat, the fixed mounting and the operation of the inverter can be realized, when the inverter needs to be mounted in other structures, the mounting feet can be turned over to fall down, conditions are provided for fixing the inverter, in addition, the detachable filter structure is arranged at the air inlet of the inverter, the influence on the normal operation of the inverter caused by dust and moisture in the air can be effectively prevented, and the technical problems that the mounting and the fixing of the inverter are not flexible and convenient and the filter structure for replacing conveniently and rapidly in the prior art are solved.

In order to solve the problems, the following technical scheme is provided:

The miniature inverter comprises a shell, wherein an inverter circuit board is fixedly arranged in the shell, an exhaust box is fixedly arranged at the end part of the right end of the shell, a detachable air outlet mask is connected to the opening part of the exhaust box, a fan group is fixedly arranged at the center in the exhaust box, a wiring module is fixedly arranged at the front side of the end part of the left end of the shell, a plurality of groups of cable interfaces are arranged on the wiring module, an air inlet filter box is fixedly arranged at the end part of the left end of the shell, and an air inlet mask is connected to the opening part of the air inlet filter box, so that cooling air entering the equipment can be filtered, dust and moisture in the air can be prevented from being pumped into the equipment by the fan group, the operating inverter circuit board can be prevented from being damaged or being influenced by the normal operation of the cooling air, and meanwhile, the arranged air outlet mask can prevent foreign matters from entering the equipment from the air outlet end and causing interference to the fan group;

The utility model discloses a fixed mounting structure of inverter, including shell up end, outer cover, shell, mounting foot, fixing shell seat and equipment, the fixed cardboard that is provided with in the center department of shell up end, the cardboard overcoat is equipped with the fixed shell seat, the both sides edge all rotates around the shell is provided with the installation foot, the bolt hole that link up has been seted up to installation foot center department, can install fixed shell seat that the volume is less regular at first when carrying out the installation work in the not good environment of operating condition, later the cardboard that fixes the setting on the equipment inserts in the fixed shell seat can realize the fixed mounting work to the dc-to-ac converter, and when equipment need install when other structure are inside can not using the fixed shell seat, can overturn the installation foot and make it drop, provide the condition for fixed equipment, combine this equipment has convenient high-efficient fixed means and has two kinds of fixed scheme optional simultaneously, convenience and the high efficiency of installation have further been improved.

Further, the grooved cross section form in the middle of the fixed shell seat is T-shaped, the magnet piece is stuck on the bottom surface in the fixed shell seat groove, the through bolt holes are formed in the positions corresponding to the bottom of the fixed shell seat and the magnet piece, and the structure form enables the clamping plate to have higher fitting degree with the grooved in the middle of the fixed shell seat, so that the clamping plate can not shake easily due to tight contact between the clamping plate and the grooved in the middle of the fixed shell seat when the clamping plate is inserted into the fixed shell seat, and the magnet piece can generate adsorption force to the clamping plate made of metal materials to improve friction between the clamping plate and the fixed shell seat, so that the clamping plate can be prevented from slipping from the fixed shell seat.

Further, the right end plate of the shell is provided with dense air outlet holes at the position behind the fan group, and the structure forms an air duct passage so that heat generated by the operation of the inverter circuit board in the shell can flow out of the equipment through the heat.

Further, a part of the left end plate of the shell, which is positioned in the range of the air inlet filter box, is provided with an air port with a rectangular section, and the structure forms an air channel passage so that external cooling air can enter the shell.

Further, the protection network layer is fixedly arranged in the rectangular hole formed in the end part of the air outlet cover, the protection network layer is a grid plate structure made of metal, and the structure can effectively prevent foreign matters from entering the air exhaust box from the air outlet end and interfere with the normal operation of the fan set.

Further, the dust filtering net layer is fixedly arranged in the rectangular holes formed in the end part of the air inlet mask, the dust filtering net layer is formed by overlapping and combining meshes with multiple layers of apertures in a decreasing change mode from outside to inside, and the dust filtering net layer can block dust particles with different diameters, so that the dust content in air entering the shell is extremely low, and the protection effect on an internal inverter circuit board is achieved.

Further, the rectangle hole that the air inlet gauze mask tip was seted up is located the inboard fixed water absorption stratum reticulare that is provided with of ash filtering stratum reticulare, the water absorption stratum reticulare is the fibrous layer stack that the multilayer had the hydroscopicity and constitutes, and this structure can adsorb the moisture in the air, prevents that it from getting into in the equipment and causing the influence to its normal work.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the air outlet mask and the air inlet mask are combined to work so as to realize the filtering effect on cooling air entering the equipment, prevent dust and moisture in air from being pumped into the equipment by the fan group and damage or influence the normal work of the inverter circuit board in operation, and simultaneously prevent foreign matters from entering the equipment from the air outlet end by the air outlet mask, and interfere the normal work of the fan group;

2. According to the utility model, through the fixed structure formed by the clamping plates and the fixed shell seats, when the installation work is carried out in an environment with poor operation conditions, the fixed shell seats with smaller volumes and regular shapes can be firstly installed and fixed, then the clamping plates fixedly arranged on the equipment are inserted into the fixed shell seats, so that the fixed installation work of the inverter can be realized, and when the equipment needs to be installed in other structures and the fixed shell seats cannot be used, the installation feet can be turned over to fall down, so that conditions are provided for the fixed equipment;

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of a preferred embodiment of a micro-inverter having a mounting structure according to the present utility model;

Fig. 2 is a structural cross-sectional view of a preferred embodiment of a micro-inverter having a mounting structure according to the present utility model;

Fig. 3 is a schematic view of a mounting structure of a preferred embodiment of a micro-inverter having a mounting structure according to the present utility model;

FIG. 4 is an enlarged view at A in FIG. 2;

fig. 5 is an enlarged view at B in fig. 2.

In the figure: 1.a housing; 2. an inverter circuit board; 3. an exhaust box; 4. an air outlet mask; 5. a fan set; 6. a wiring module; 7. an air inlet filter box; 8. an air inlet mask; 9. a clamping plate; 10. a fixed housing base; 11. a mounting foot; 12. bolt holes; 13. a magnet piece; 14. an air outlet hole; 15. an air port; 16. a protective net layer; 17. an ash filtering net layer; 18. a water absorbing net layer.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, fig. 2, fig. 4, the micro inverter with mounting structure provided in this embodiment includes a housing 1, an inverter circuit board 2 is fixedly mounted in the housing 1, an exhaust box 3 is fixedly mounted at the right end of the housing 1, a detachable air outlet mask 4 is connected to the mouth of the exhaust box 3, a fan set 5 is fixedly mounted at the center in the exhaust box 3, a wiring module 6 is fixedly mounted at the front side of the left end of the housing 1, a plurality of groups of cable interfaces are provided on the wiring module 6, an air inlet filter box 7 is fixedly provided at the left end of the housing 1 adjacent to the wiring module 6, a detachable air inlet mask 8 is connected to the mouth of the air inlet filter box 7, the above structural form can filter cooling air entering the equipment, dust and moisture in the air are prevented from being pumped into the equipment by the fan set 5, damage is caused to the operating inverter circuit board 2 or normal operation is affected, and at the same time the set air outlet mask 4 can prevent foreign matters from entering the equipment from the air outlet end, and cause interference to the fan set 5.

As shown in fig. 1 and 3, in the micro inverter with a mounting structure provided in this embodiment, a clamping plate 9 is fixedly arranged at the center of the upper end surface of a housing 1, a fixing housing seat 10 is sleeved outside the clamping plate 9, mounting pins 11 are rotatably arranged at the edges of both sides of the front and rear surfaces of the housing 1, through bolt holes 12 are formed at the centers of the mounting pins 11, when the mounting operation is performed in an environment with poor operation conditions, the fixing housing seat 10 with a smaller volume and a regular shape can be firstly mounted and fixed, then the clamping plate 9 fixedly arranged on the device is inserted into the fixing housing seat 10 to realize the fixed mounting operation of the inverter, and when the device needs to be mounted in other structures, the fixing housing seat 10 can be turned over to enable the mounting pins 11 to fall down, so that conditions are provided for fixing the device.

As shown in fig. 3, in the micro inverter with the mounting structure provided in this embodiment, the cross-sectional form of the slot in the middle of the fixing housing base 10 is consistent with the cross-sectional form of the clamping plate 9, the bottom surface in the slot of the fixing housing base 10 is stuck with the magnet piece 13, the slot bottom of the fixing housing base 10 and the corresponding position on the magnet piece 13 are all provided with through bolt holes 12, the above structural form makes the clamping plate 9 have a higher degree of fit with the slot in the middle of the fixing housing base 10, so that the clamping plate 9 can not easily shake due to tight contact between the clamping plate 9 and the slot in the middle of the fixing housing base 10 when the clamping plate 9 is inserted into the fixing housing base 10, and meanwhile, the magnet piece 13 can generate an adsorption force to the clamping plate 9 made of metal so as to improve the friction between the clamping plate 9 and the fixing housing base 10, thereby preventing the clamping plate 9 from slipping from the fixing housing base 10.

As shown in fig. 4, in the micro inverter with the installation structure provided in this embodiment, the right end plate of the casing 1 is located at the position behind the fan set 5 and is provided with dense air outlet holes 14, and the structure forms an air duct path, so that heat generated by the operation of the inverter circuit board 2 in the casing 1 can flow out of the equipment through the heat, the protection net layer 16 is fixedly arranged in the rectangular holes provided at the end part of the air outlet cover 4, and the protection net layer 16 is a grid plate structure made of metal, and the structure can effectively prevent foreign matters from entering the interior of the air extraction box 3 from the air outlet end, thereby causing interference to the normal operation of the fan set 5.

As shown in fig. 5, in the micro inverter with the installation structure provided in this embodiment, the part of the left end plate of the casing 1 located within the range of the air inlet filter box 7 is provided with the air inlet 15 with a rectangular cross section, the structure forms an air duct passage to enable external cooling air to enter the casing 1, the rectangular holes provided at the end of the air inlet mask 8 are fixedly provided with the ash filtering net layers 17, the ash filtering net layers 17 are formed by overlapping and combining multiple layers of net sheets with gradually changing apertures from outside to inside, the structure can block dust particles with different diameters, so that the dust content in the air entering the casing 1 is extremely low, thereby protecting the internal inverter circuit board 2, the rectangular holes provided at the end of the air inlet mask 8 are fixedly provided with the water absorbing net layers 18, and the structure can absorb moisture in the air and prevent the moisture in the air from affecting the normal operation of the air entering the equipment.

The application principle and the application flow of the utility model are as follows: the wiring module 6 is electrically connected with external equipment, so that electric energy conversion is realized, a large amount of heat energy can be generated when the inverter circuit board 2 works, at the moment, the fan set 5 works to pump out internal hot air, meanwhile, external cooling air enters the shell 1 through the air inlet filter box 7 to be cooled, and when the air enters the air inlet filter box 7, dust and moisture in the air are filtered and blocked through the ash filtering net layer 17 and the water absorbing net layer 18 which are arranged on the air inlet mask 8, so that the inverter circuit board 2 is prevented from being damaged or the normal work of the inverter circuit board is prevented from being influenced; when the installation work is carried out in the environment with poor operation conditions, the fixed shell seat 10 with smaller volume and regular shape can be firstly installed and fixed, then the clamping plate 9 fixedly arranged on the equipment is inserted into the fixed shell seat 10, so that the fixed installation work of the inverter can be realized, and when the equipment needs to be installed in other structures and the fixed shell seat 10 cannot be used, the installation feet 11 can be turned over to enable the equipment to fall down, the conditions are provided for the fixed equipment, and the equipment is provided with convenient and efficient fixing means and two fixing schemes simultaneously, so that the convenience and the efficiency of the installation are further improved.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The miniature inverter with the mounting structure is characterized by comprising a shell (1), wherein an inverter circuit board (2) is fixedly mounted in the shell (1), an exhaust box (3) is fixedly mounted at the end part of the right end of the shell (1), a detachable air outlet mask (4) is connected to the mouth part of the exhaust box (3), a fan group (5) is fixedly mounted at the position of the inner center of the exhaust box (3), a wiring module (6) is fixedly mounted at the position of the front side of the end part of the left end of the shell (1), a plurality of groups of cable interfaces are arranged on the wiring module (6), an air inlet filter box (7) is fixedly arranged at the end part of the left end of the shell (1) close to the wiring module (6), and a detachable air inlet mask (8) is connected to the mouth part of the air inlet filter box (7);

The novel anti-theft device is characterized in that a clamping plate (9) is fixedly arranged at the center of the upper end face of the shell (1), a fixing shell seat (10) is sleeved outside the clamping plate (9), mounting feet (11) are rotatably arranged at the edges of the front side and the rear side of the shell (1), and through bolt holes (12) are formed in the center of the mounting feet (11).

2. The micro inverter with the mounting structure according to claim 1, wherein the cross section form of the middle slot of the fixed housing seat (10) is consistent with the cross section form of the clamping plate (9) and is T-shaped, a magnet sheet (13) is stuck on the bottom surface in the slot of the fixed housing seat (10), and through bolt holes (12) are formed in the corresponding positions of the slot bottom of the fixed housing seat (10) and the magnet sheet (13).

3. The micro-inverter with the mounting structure according to claim 1, wherein the right end plate of the housing (1) is provided with dense air outlet holes (14) at a position behind the fan group (5).

4. The micro-inverter with the mounting structure according to claim 1, wherein a rectangular-section tuyere (15) is formed in a portion of the left end plate of the housing (1) located within the range of the air inlet filter box (7).

5. The micro-inverter with the mounting structure according to claim 1, wherein a protection net layer (16) is fixedly arranged in a rectangular hole formed in the end portion of the air outlet mask (4), and the protection net layer (16) is a grid plate structure made of metal.

6. The micro inverter with the mounting structure according to claim 1, wherein a dust filtering net layer (17) is fixedly arranged in a rectangular hole formed in the end part of the air inlet mask (8), and the dust filtering net layer (17) is formed by overlapping and combining net sheets with multiple layers of apertures which change progressively from outside to inside.

7. The micro inverter with the mounting structure according to claim 1, wherein a water absorbing net layer (18) is fixedly arranged inside the ash filtering net layer (17) in rectangular holes formed in the end portion of the air inlet mask (8), and the water absorbing net layer (18) is formed by stacking a plurality of layers of water absorbing fiber layers.