CN202856647U - Locking assembly of inverter - Google Patents

Abstract

The utility model provides a locking assembly of an inverter, which comprises a grounding wire, an inverter, a first fixing element and a clamping device, wherein the inverter comprises a shell, and the shell comprises a first shell hole. The clamping device is arranged on the shell, and comprises a first end, a second end, and a clamping part connected between the first end and the second end, wherein the second end is pre-fixed on the shell, and the first end is provided with a first setting hole. When the grounding wire is imbedded through a part between the first end and the shell and located between the clamping part and the shell, the clamping part clamps the grounding wire on the shell, the first fixing element penetrates through the first shell hole and the first setting hole so as to lock the first end to the shell to enable the clamping part to fix the grounding wire on the shell and to lock the inverter to a rack synchronously. The locking assembly provided by the utility model can reduce and save time and the labor cost.

Description

The locked assembly of inverter

Technical field

The utility model relates to a kind of locked assembly, relates in particular to a kind of locked assembly of inverter.

Background technology

The human main energy sources of using is oil at present, produce required power or electric energy by burning petroleum, for example automobile or fuel oil type generator (factory), yet, the high temperature that produces in the oil combustion process and waste gas more can make Global Greenhouse Effect worsen except meeting causes the air quality deterioration.In addition, according to whole world Petroleum Production statistics, oil production rate will peak in 10 years; thereafter output is with reduced year by year; this means that not only oil price (comprising electricity price) will be no longer cheap, also may cause the arrival of real oil crisis, indirectly causes the global economy storm.

In view of this, the renewable energy resources (renewable energy) are converted to general people's livelihood power supply or machine power efficient and cost-effective, have become the important industry development policies that sophisticated technologies country takes into account environmental protection and generating.In the renewable energy resources such as solar energy, wind energy, tidal energy, geothermal energy, biological waste energy, utilize the solar power system of solar power generation, because the tool environmental protection, be easy to install, the auxiliary pushing of ripe and country's property planned of commercialized technology, become the main selection of advanced country development decentralized power supply system.

Solar power system mainly comprises at least one solar panel, at least one inverter and grounding system, inverter wherein, little (micro) inverter for example, change in order to the solar energy that solar panel is received, and the electric energy after will changing offers load or energy storage device, as for grounding system, earth connection for example, then connect mutually with inverter and ground, import undergroundly in order to electric current that inverter is leaked or static etc., ensure whereby the Electrical Safety of inverter.

Generally speaking, the fixed form of existing inverter and earth connection is that inverter independently uses a retaining element, screw for example, to be locked in setting position, and earth connection also must independently use another retaining element, screw for example, to be locked in setting position, connect with inverter whereby, and above-mentioned fixing step is to utilize manpower to reach, hence one can see that, since must by manpower finish twice or more to fasten lock-step rapid, could respectively inverter and earth connection be locked in setting position, therefore twice above lock-step of fastening expends more time and human cost suddenly in fact, this shortcoming comprises a plurality of inverters at solar power system, and especially obvious when needing a plurality of inverters of locking and locking repeatedly earth connection.

Therefore, how to develop a kind of locked assembly that solves the inverter of existing disappearance, real is present problem in the urgent need to address.

Summary of the invention

Main purpose of the present utility model is to provide a kind of locked assembly of inverter, it is that the second end with clamping close device is fixed on the housing in advance, make clamping close device have the function of similar elastic piece structure, just can utilize whereby retaining element to engage first earth connection on the housing of inverter, again only by the first retaining element lock synchronously inverter and earth connection, so but compared to just many time and human costs of economization of prior art.

For reaching above-mentioned purpose, of the present utility model one implements aspect for a kind of locked assembly of inverter is provided than broad sense, comprises: earth connection; Inverter comprises housing, and housing comprises the first housing hole; The first retaining element; And clamping close device, be arranged on the housing, and comprise first end, the second end and be connected in first end and the second end between the holding section, the second end is fixed on the housing in advance, first end has first hole is set.Between earth connection is by first end and housing, insert and be positioned between holding section and housing, the holding section engages earth connection on this housing, the first retaining element wears the first housing hole and first hole is set, on this housing and make holding section dead earth line on this housing, and lock synchronously inverter on frame with the locking first end.

In the utility model one embodiment, this first end, this second end and this holding section are one-body molded.

In the utility model one embodiment, this first end and this second end are extended by the relative both sides of the bottom of this holding section.

In the utility model one embodiment, this housing is included as a depressed part of U-shaped structure, and this depressed part is in the formation that protrude the below of this housing, and a lateral wall of this depressed part part is supported mutually with this frame.

In the utility model one embodiment, this holding section is placed in this depressed part, and this earth connection engaging is fixed on the madial wall of this depressed part.

In the utility model one embodiment, in the time of in this holding section is placed in this depressed part, between this madial wall of this first end, this holding section and this depressed part, form an accommodation space, make this earth connection when inserting between this first end and this housing, be positioned between this holding section and this madial wall via this accommodation space.

In the utility model one embodiment, the size of this accommodation space is corresponding to the wire diameter size of this earth connection.

In the utility model one embodiment, this first end and this second end are extended by the relative both sides at the top of this holding section.

In the utility model one embodiment, this holding section comprises one first side plate and one second side plate, and this first side plate and this second side plate are extended in parallel downwards mutually by the two opposite sides at a top of this holding section accordingly.

In the utility model one embodiment, this first side plate comprises at least one the first slot, this second side plate comprises at least one second slot corresponding with the first slot, the size of this first slot and this second slot and the wire diameter width of this earth connection are corresponding, with accommodating at least part of this earth connection.

In the utility model one embodiment, this second end also comprises one second hole is set, and this housing comprises with this and second one second housing hole corresponding to hole is set.

In the utility model one embodiment, also comprise one second retaining element, this second retaining element wears this and second hole and this second housing hole is set, and this second end is fixed on this housing in advance.

In the utility model, only need utilize manpower first retaining element that locks in first hole and the first housing hole to be set, but the just affixed ground wire of synchrolock and inverter, be with need not as existing need by manpower finish twice to fasten lock-step rapid, can many time and the human costs of economization.

Description of drawings

Fig. 1 is that the locked assembly of the utility model the first preferred embodiment is arranged at the schematic cross-section on the frame.

Fig. 2 is the part-structure schematic diagram of earth connection, housing and clamping close device shown in Figure 1.

Fig. 3 is the structure for amplifying schematic diagram of clamping close device shown in Figure 2.

Fig. 4 is another variation example that is fixedly arranged on the locked assembly on the frame shown in Figure 1.

Fig. 5 is the part-structure schematic diagram of earth connection, housing and clamping close device shown in Figure 4.

Fig. 6 is the structure for amplifying schematic diagram of clamping close device shown in Figure 5.

Wherein, description of reference numerals is as follows:

1: locked assembly

10: inverter

100: body apparatus

101: housing

102: depressed part

102a: outer wall

102b: madial wall

101a: the first housing hole

101b: the second housing hole

11: clamping close device

110: first end

110a: first arranges hole

111: the second ends

111a: second arranges hole

112: the holding section

112a: the first side plate

112b: the second side plate

112c: the first slot

112d: the second slot

12: earth connection

13: the first retaining elements

14: the second retaining elements

9: frame

A: first

B: second portion

Embodiment

Some exemplary embodiments that embody the utility model feature ﹠ benefits will be described in detail in the explanation of back segment.Be understood that the utility model can comprise in different aspects various variations, its neither disengaging scope of the present utility model, and explanation wherein and the accompanying drawing usefulness that ought explain in itself, but not in order to limit the utility model.

See also Fig. 1 and Fig. 2, wherein Fig. 1 is that the locked assembly of the utility model the first preferred embodiment is arranged at the schematic cross-section on the frame, and Fig. 2 then is the part-structure schematic diagram of earth connection, housing and clamping close device shown in Figure 1.As shown in Figures 1 and 2, this locked assembly 1 can be locked on the frame 9, and comprises an inverter 10, a clamping close device 11, an earth connection 12 and one first retaining element 13.Wherein inverter 10 can be but is not limited to be applied in the solar power system, and can be arranged at for example behind of a solar panel, more can be one little (micro) inverter, this inverter 10 comprises a body apparatus 100 and a housing 101, wherein comprise at least a circuit board (not shown) in the body apparatus 100, so that the main operational function of inverter 10 to be provided, housing 101 is covered on this body apparatus 100 and with this body apparatus 100 and assembles mutually, and comprises one first housing hole 101a.

In some embodiment, the length of housing 101 integral body is greater than the length of this body apparatus 100, therefore housing 101 has an A of first who protrudes from this body apparatus 100 and is covered in a second portion B on the body apparatus 100, and the first housing hole 101a namely is arranged on the position that housing 101 protrudes from this body apparatus 100, that is on the A of first.

Clamping close device 11 is arranged on the housing 101, and can be but be not limited to and be made of a conducting metal material, more comprise a first end 110, one second end 111 and be connected in first end 110 and the second end 111 between a holding section 112.The second end 111 is fixed on this housing 101 in advance, for example on second portion B, and can be but is not limited in factory namely first and in the mode of mechanization the second end 111 is fixed on the housing 101 in advance.First end 110 is arranged on the housing 101, for example on the A of first, and because the second end 111 is fixed on the housing 101 in advance, therefore first end 110 can be similar to the flowing mode of doing of elastic piece structure, also can be subjected to an external force and on housing 101, move up and down, to separate with housing 101, whereby when first end 110 is subjected to external force and moves up on housing 101, earth connection 12 can be incorporated between this first end 110 and housing 101 and be positioned at 101 of holding section 112 and housings, in addition, first end 110 more comprises one first hole 110a is set, with the corresponding setting of the first housing hole 101a.Can when earth connection 12 is positioned at 101 of holding section 112 and housings, earth connection 12 be fastened on the housing 101 as for 112 of holding sections.

The first retaining element 13 can be but is not limited to a screw, it can turn mode and wear first by spiral shell hole 110a and the first housing hole 101a are set, more wear a hole (not shown) of frame 9, but whereby first end 110 is locked on the housing 101 and allows holding section 112 dead earth lines 12 on housing 101, and synchronously inverter 10 is locked on the frame 9.

12 of earth connections are connected (not shown) with ground, and import ground via the electric current that inverter 10 may be leaked with holding section 112 engagement connections of clamping close device 11 or static etc., ensure whereby the Electrical Safety of inverter 10.And in some embodiment, the specification of earth connection 12 can be Europe rule or U.S. rule, but not as limit.

See also Fig. 3, it is the structure for amplifying schematic diagram of clamping close device shown in Figure 2.As shown in Figure 3, in above-described embodiment, first end 110, the second end 111 and holding section 112 can be one-body molded, and first end 110 and the second end 111 are extended by the relative both sides of the bottom of holding section 112.

In addition, in some embodiment, holding section 112 comprises one first side plate 112a and the second side plate 112b, this the first side plate 112a and the second side plate 112b are extended in parallel downwards mutually by the relative both sides at the top of holding section 112, and the first side plate 112a adjacent bottom place has at least one the first slot 112c, the second side plate 112b adjacent bottom place also has at least one the second slot 112d, this second slot 112d and the corresponding setting of the first slot 112c, and the size of this first slot 112c and the second slot 112d is corresponding with the wire diameter size of earth connection 12, therefore when earth connection 12 is positioned at 101 of holding section 112 and housings, the first slot 112c and the second slot 112d can accommodatingly snap into the earth connection 12 of small part, for example shown in Figure 1, accommodating whole earth connection 12 makes the holding section 112 can be by the first slot 112c and the second slot 112d and earth connection 12 is sticked on the housing 101.In addition, in other embodiment, in order to make can the be fixed earth connection 12 of various different sizes of holding section 112, this the first side plate 112a and the second side plate 112b can have a plurality of the first slot 112c and the second slot 112d separately, for example two shown in Figure 3, and the earth connection 12 of a plurality of the first slot 112c big or small corresponding different size to each other and different, and the varying in size of corresponding a plurality of the first slot 112c, a plurality of the second slot 112d size to each other also is different, so the earth connection 12 of different size just can be selected to be placed in corresponding the first slot 112c and the second slot 112d.

In some embodiment, the second end 111 has more one second hole 111a is set, and housing 101 also has on second portion B with second the second corresponding housing hole 101b of hole 111a is set, what is more, locked assembly 1 has more one second retaining element 14, a screw for example, therefore in the time of in factory, can be first in advance this second retaining element 14 be turned mode with spiral shell in the mode of mechanization and wear second hole 111a and the second housing hole 101b are set, the second end 111 can be fixed on this housing 101 in advance.Certainly in other embodiment, the second retaining element 14 can also the riveted mode wears second hole 111a and the second housing hole 101b is set, and the second end 111 is fixed on this housing 101 in advance.

See also Fig. 4 and Fig. 5, wherein Fig. 4 be shown in Figure 1 be fixedly arranged on locked assembly on the frame another change example, Fig. 5 then is the part-structure schematic diagram of earth connection, housing and clamping close device shown in Figure 4.Such as Fig. 4 and shown in Figure 5, the locked assembly 1 of present embodiment is similar in appearance to locked assembly shown in Figure 11, so with same numeral representative structure and functional similarity, and repeat no more.Only compared to locked assembly shown in Figure 11, the housing 101 of the inverter 10 of locked assembly 1 shown in Figure 4 has more a depressed part 102 of promising U-shaped structure, be arranged on the second portion B of housing 101, and protruded by the below of housing 101 and to be formed, therefore when inverter 10 is wanted to be locked on the frame 9, one lateral wall 102a of this depressed part 102 can part support with frame 9 mutually, and spacing function is provided whereby.

See also Fig. 6, and cooperation Fig. 4 and Fig. 5, wherein Fig. 6 is the structure for amplifying schematic diagram of clamping close device shown in Figure 5, such as Fig. 4-shown in Figure 6, housing 101 corresponding to present embodiment has a depressed part 102, the first end 110 of the clamping close device 11 of present embodiment and the second end 111 be non-being extended by the relative both sides of the bottom of holding section 112 as shown in Figure 1 also, extended but change into by the relative both sides at the top of holding section 112, therefore when first end 110 and the second end 111 are fixedly arranged on the housing 101, holding section 112 can be placed in this depressed part 102, reduces whereby clamping close device 11 shared space on housing 101.In addition, in present embodiment, when between earth connection 12 is by first end 110 and housing 101, inserting, be to change into being placed in the depressed part 102, and by the holding section 112 and be fastened on the madial wall 102b of depressed part 102.

In some embodiment, the size of depressed part 102 is greater than the size of holding section 112, therefore be arranged at depressed part 102 when interior when holding section 112, first end 110, form an accommodation space 103 between the madial wall 102b of holding section 112 and depressed part 102, and this accommodation space 103 is big or small as many as or big or small greater than the wire diameter of this earth connection 12, in other words, can pass through for earth connection 12, when therefore between earth connection 12 is by first end 110 and housing 101, inserting, namely be placed in first in the accommodation space 103, be positioned between holding section 112 and madial wall 102b via accommodation space 103 again, with part be placed among the first slot 112c and the second slot 112d (as shown in Figure 4) or be placed in the first slot 112c fully and the second slot 112d in (not shown), thus, just can avoid making distance between holding section 112 and the housing 101 all greater than the wire diameter width of earth connection 12 because of need, with accommodating earth connection 12, and the external force that need overuse makes first end 110 by upwards significantly mobile on the housing 101, and then the situation that causes clamping close device 11 to damage occurs.

In sum, be fixed in advance on the housing because the locked assembly of inverter of the present utility model is the second end with clamping close device, make clamping close device can have the function of similar elastic piece structure, clamping close device can engage earth connection on housing first whereby, thus, only need utilize manpower first retaining element that locks in first hole and the first housing hole to be set, but the just affixed ground wire of synchrolock and inverter, be with need not as existing need by manpower finish twice to fasten lock-step rapid, could respectively inverter and earth connection be locked in setting position, therefore in the mode of manpower fixedly on inverter and the earth connection, many time and the human costs of the utility model reality economization.So the utility model has industrial value, then file an application in accordance with the law.

The utility model has been described in detail by the above embodiments and can have been appointed by those of ordinary skills and execute that the craftsman thinks and be to modify right neither scope of taking off the wish protection of claims institute as all.

Claims (12)

1. the locked assembly of an inverter is characterized in that, comprises:

One earth connection;

One inverter comprises a housing, and this housing comprises one first housing hole;

One first retaining element; And

One clamping close device, be arranged on this housing, and comprise a first end, one second end and be connected in this first end and this second end between a holding section, this second end is fixed on this housing in advance, this first end has one first hole is set, between this earth connection is by this first end and this housing, insert and be positioned between this holding section and this housing, this holding section engages this earth connection on this housing, this first retaining element wears this first housing hole and this first hole is set, to lock this first end on this housing and make this holding section fix this earth connection on this housing, and lock synchronously this inverter on a frame.

2. the locked assembly of inverter as claimed in claim 1 is characterized in that, this first end, this second end and this holding section are one-body molded.

3. the locked assembly of inverter as claimed in claim 1 is characterized in that, this first end and this second end are extended by the relative both sides of the bottom of this holding section.

4. the locked assembly of inverter as claimed in claim 1 is characterized in that, this housing is included as a depressed part of U-shaped structure, and this depressed part is in the formation that protrude the below of this housing, and a lateral wall of this depressed part part is supported mutually with this frame.

5. the locked assembly of inverter as claimed in claim 4 is characterized in that, this holding section is placed in this depressed part, and this earth connection engaging is fixed on the madial wall of this depressed part.

6. the locked assembly of the inverter of stating such as claim 5, it is characterized in that, in the time of in this holding section is placed in this depressed part, between this madial wall of this first end, this holding section and this depressed part, form an accommodation space, make this earth connection when inserting between this first end and this housing, be positioned between this holding section and this madial wall via this accommodation space.

7. the locked assembly of inverter as claimed in claim 6 is characterized in that, the size of this accommodation space is corresponding to the wire diameter size of this earth connection.

8. the locked assembly of inverter as claimed in claim 5 is characterized in that, this first end and this second end are extended by the relative both sides at the top of this holding section.

9. the locked assembly of inverter as claimed in claim 1 is characterized in that, this holding section comprises one first side plate and one second side plate, and this first side plate and this second side plate are extended in parallel downwards mutually by the two opposite sides at a top of this holding section accordingly.

10. the locked assembly of inverter as claimed in claim 9, it is characterized in that, this first side plate comprises at least one the first slot, this second side plate comprises at least one second slot corresponding with the first slot, the size of this first slot and this second slot and the wire diameter width of this earth connection are corresponding, with accommodating at least part of this earth connection.

11. the locked assembly of inverter as claimed in claim 1 is characterized in that, this second end also comprises one second hole is set, and this housing comprises with this and second one second housing hole corresponding to hole is set.

12. the locked assembly of inverter as claimed in claim 11 is characterized in that, also comprises one second retaining element, this second retaining element wears this and second hole and this second housing hole is set, and this second end is fixed on this housing in advance.

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