CN216819731U

CN216819731U - Inverter

Info

Publication number: CN216819731U
Application number: CN202220269526.XU
Authority: CN
Inventors: 童明魁
Original assignee: Ningbo Zhongxin Electronic Technology Co Ltd
Current assignee: Ningbo Zhongxin Electronic Technology Co Ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-06-24
Anticipated expiration: 2032-02-09

Abstract

The application relates to an inverter, which belongs to the technical field of inverters and comprises a shell and a fuse box; the shell comprises a shell body and a cover plate, wherein one side of the shell body is provided with an accommodating groove for accommodating an electronic device, and the cover plate is covered at a notch of the accommodating groove; the apron includes upper plate and inferior valve, the through-hole has been seted up on the upper plate, the mounting groove has been seted up to inferior valve one side, inferior valve fixed mounting in the upper plate is close to one side of holding tank bottom, just the through-hole with the mounting groove is linked together, the fuse box install in the mounting groove. The application has the effect of reducing the space occupancy of the inverter inside the automobile trunk.

Description

Inverter

Technical Field

The application relates to the field of inverters, in particular to an inverter.

Background

The inverter (power converter) is a convenient power converter which can convert DC12V DC into AC220V AC which is the same as the commercial power and is used by general electric appliances, can be applied to warehouses, tool rooms or placed in the trunk of an automobile.

With the improvement of living standard and the popularization of vehicles, most people can choose to drive or drive for camping for a long distance, and during camping, people usually use electrical appliances with higher power, such as more than 500W, for maintaining the needs in daily life. However, the output power of the existing inverters on the market is usually 30W-40W, and the maximum is about 100W, so that the power requirement of electrical appliances with large power is difficult to meet. Therefore, people carry a high-power inverter to be placed in the trunk of the automobile for use.

The high-power inverter comprises a shell and a conversion module which is arranged in the shell and used for converting DC12V into AC220V alternating current which is the same as the commercial power. Generally, in order to reduce the risk of danger of the high-power inverter caused by short circuit in the using process, a fuse box for protecting the circuit is installed on the high-power inverter. Since the fuse box is a wearing part, in order to facilitate replacement or maintenance of the fuse box, in the related art, the fuse box is directly fixed to the outer wall of the housing.

In view of the above-mentioned related art, the inventor believes that the space of the automobile trunk is limited, and the fuse box is directly fixed on the outer wall of the housing, so that the space occupation ratio of the whole inverter in the automobile trunk is large.

SUMMERY OF THE UTILITY MODEL

The application provides an inverter in order to reduce the space occupation rate of the inverter in an automobile trunk.

The application provides an inverter, adopts following technical scheme:

an inverter includes a housing and a fuse box;

the shell comprises a shell body and a cover plate, wherein one side of the shell body is provided with a containing groove for placing an electronic device, and the cover plate is covered on a notch of the containing groove;

the apron includes upper plate and inferior valve, the through-hole has been seted up on the upper plate, the mounting groove has been seted up to inferior valve one side, inferior valve fixed mounting in the upper plate is close to one side of holding tank bottom, just the through-hole with the mounting groove is linked together, the fuse box install in the mounting groove.

By adopting the technical scheme, the electronic device is arranged in the accommodating groove, the electronic device is limited in the accommodating groove through the cover plate, and then the electronic device is limited in the accommodating groove to form a module; lower casing fixed mounting is in one side that the upper plate is close to the holding tank bottom simultaneously, and the fuse box is installed in the mounting groove for the height that the fuse box deviates from holding tank bottom one side reduces to some extent, and then has reduced the inside space occupation rate of dc-to-ac converter at vapour car trunk.

Optionally, the inverter further includes a DC/DC conversion module installed in the accommodating groove for boosting or reducing voltage.

By adopting the technical scheme, the DC/DC conversion module can boost or reduce voltage, so that the inverter can be directly connected to a high-voltage power supply and can also be connected to a low-voltage power supply, and the universality of the inverter is improved.

Optionally, the inverter further comprises an inverter module installed in the accommodating groove and close to a groove wall on one side of the accommodating groove, and the accommodating groove is close to the groove wall of the inverter module and is provided with heat dissipation holes.

Through adopting above-mentioned technical scheme, because the dc-to-ac converter module can produce great heat when the function, the heat can be through the louvre outside the holding tank of discharging, and then has reduced the risk that the dc-to-ac converter module damaged because of the heat is too high.

Optionally, a heat dissipation fan is disposed on one side of the accommodating groove, where the heat dissipation hole is formed, for blowing heat generated by the inverter module out of the accommodating groove through the heat dissipation hole.

Through adopting above-mentioned technical scheme, radiator fan's setting for the heat that the inverter module produced can discharge to the holding tank outside more fast, further reduced the risk that the inverter module damaged because of the heat is too high.

Optionally, the inverter further includes a USB module, a cigarette lighter module, and a socket interface installed on the upper board, and interface sides of the USB module, the cigarette lighter module, and the socket interface all protrude from the upper board.

By adopting the technical scheme, the output voltages of the USB module, the cigarette lighter module and the socket interface are different, and a user can connect corresponding electronic products or electric appliances to different interfaces according to the voltage required by the user; meanwhile, the multifunctional electric appliance can be connected with a plurality of electronic products or electric appliances, so that the use by a user is convenient.

Optionally, the inverter further comprises a battery module arranged in the middle of the shell, the battery module comprises a lithium battery pack, a battery bottom plate and a battery fixing frame, and the lithium battery pack is placed on the bottom plate, and the battery fixing frame is installed on the bottom plate.

By adopting the technical scheme, the battery module is arranged in the middle of the shell, so that the weight of the inverter is balanced; meanwhile, the inverter can be used as a mobile power supply station through the battery module. The lithium battery pack is matched with the battery fixing frame through the battery bottom plate to form a battery module, so that the lithium battery pack is convenient to install.

Optionally, the battery fixing frame is provided with support legs, fixing frame positioning holes are formed in the support legs, and fixing frame positioning columns inserted into the fixing frame positioning holes are arranged on the battery bottom plate.

By adopting the technical scheme, the arrangement of the support legs increases the contact area between the battery fixing frame and the battery bottom plate, so that the battery fixing frame and the battery bottom plate are more firmly fixed; the arrangement of the fixing frame positioning column and the positioning frame positioning hole enables the battery fixing frame to be pre-positioned on the battery bottom plate, and therefore the battery fixing frame and the battery bottom plate are convenient to install.

Optionally, a bottom plate positioning hole is formed in the battery bottom plate, and a bottom plate positioning column inserted into the bottom plate positioning hole is arranged at the bottom of the accommodating groove.

Through adopting above-mentioned technical scheme, because the battery module is installed in the middle part of holding tank bottom, consequently through the cooperation of bottom plate reference column and bottom plate locating hole, can make comparatively accurate the installing in the middle part of holding tank bottom of battery module.

Optionally, the housing further includes a support lug, the support lug is detachably mounted on the outer wall of the housing, and a fixing hole matched with other components is formed in the support lug.

Through adopting above-mentioned technical scheme, can be fixed in other parts of vapour car trunk through the fixed orifices with the dc-to-ac converter on, the journal stirrup can be unpicked and washed and install in the outer wall of casing simultaneously, and then can go to consider whether install the journal stirrup according to specific service environment.

Optionally, a wire passing hole is formed in the side wall of the housing, and a wire protecting ring for protecting the cable is arranged in the wire passing hole in a penetrating manner.

Through adopting above-mentioned technical scheme, because the casing generally is the metalwork, the cable produces the friction with the pore wall of crossing the line hole when moving in crossing the line hole, leads to the cable leather of cable to be scraped brokenly easily, and the setting of grommet for the grommet butt is in the inner wall of crossing the line hole, and then has reduced the risk that the cable leather of cable was scraped brokenly.

In summary, the present application includes at least one of the following beneficial technical effects:

the lower shell is arranged on one side, close to the bottom of the accommodating groove, of the upper plate, and the fuse box is arranged in the installation groove, so that the height of the fuse box, away from one side of the bottom of the accommodating groove, is reduced, and the space occupancy rate of the inverter in the automobile trunk is further reduced;

the DC/DC conversion module can be used as a boost converter to be connected to a low-voltage power supply and can also be used as a buck converter to be connected to a high-voltage power supply, so that the universality of the inverter is improved;

the battery module can be arranged to use the inverter as a mobile power station.

Drawings

Fig. 1 is a schematic view of the overall structure of an inverter in the embodiment of the present application.

Fig. 2 is an exploded view of an inverter in the embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the inverter in the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a housing; 11. a housing; 111. accommodating grooves; 112. positioning a groove; 113. a wire passing hole; 114. a grommet; 115. heat dissipation holes; 116. a heat radiation fan; 117. a bottom plate positioning column; 12. a cover plate; 121. an upper plate; 1211. a through hole; 122. a lower case; 1221. mounting grooves; 13. supporting a lug; 131. a fixing hole; 2. a fuse box; 3. a DC/DC conversion module; 4. an inverter module; 5. a switch button; 6. a USB module; 7. a cigarette lighter module; 8. a socket interface; 9. an electricity meter; 10. a battery module; 101. a lithium battery pack; 102. a battery chassis; 1021. a fixed frame positioning column; 1022. a bottom plate positioning hole; 103. a battery holder; 1031. a support leg; 1032. a fixing frame positioning hole; 20. a bus bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an inverter. Referring to fig. 1 and 2, the inverter includes an outer case 1 and a fuse box 2 mounted on the outer case 1, the outer case 1 includes a housing 11 and a cover plate 12, wherein a receiving groove 111 is formed at one side of the housing 11, and an electronic device is mounted in the receiving groove 111. Further, the cover plate 12 includes an upper plate 121 and a lower plate 122, the upper plate 121 is provided with a through hole 1211 penetrating through the upper plate 121 along the opening direction of the accommodating groove 111, one side of the lower plate 122 close to the upper plate 121 is provided with an installation groove 1221, and the installation groove 1221 is communicated with the through hole 1211. The lower casing 122 is located on one side of the upper plate 121 close to the bottom of the accommodating groove 111, and the lower casing 122 can be fixedly mounted on the upper plate 121 by welding, or can be integrally formed with the upper plate 121, preferably, in this embodiment, the lower casing 122 is integrally formed with the upper plate 121 by stamping, and the upper plate 121 is mounted on the housing 11 by bolts. The fuse box 2 is mounted at the bottom of the mounting groove 1221 by bolts, thereby reducing the space occupancy of the inverter inside the automobile trunk. Meanwhile, the side wall of the housing 11 is provided with a positioning groove 112 communicated with the accommodating groove 111, and the lower shell 122 is embedded in the positioning groove 112, so that when the upper plate 121 and the housing 11 are mounted, a pre-positioning function is achieved.

Referring to fig. 2, the housing 1 further includes a plurality of support lugs 13, the plurality of support lugs 13 are identical in structure, and the plurality of support lugs 13 are distributed on the outer wall of the housing 11 at intervals. In the following description, one of the support lugs 13 is taken as an example, the support lug 13 is mounted on the housing 11 by a bolt, or may be mounted on the housing 11 by a snap, in this embodiment, the support lug 13 is preferably mounted on the housing 11 by a bolt, and a user may select a mounting position of the support lug 13 and whether to mount the support lug 13 according to actual situations. Meanwhile, the support lug 13 is further provided with a fixing hole 131 which is convenient for being installed in a matching manner with other parts on the automobile.

The side wall of the housing 11 is provided with a wire passing hole 113 for a cable to pass through, the wire passing hole 113 is internally clamped and provided with a grommet 114, the hole wall of the wire passing hole 113 is abutted against the grommet 114, the cable passes through the grommet 114, and the risk of scraping the cable skin of the cable is reduced, and in this embodiment, the grommet 114 is preferably made of rubber.

Referring to fig. 1 and 2, the inverter further includes a DC/DC conversion module 3, an inverter module 4, a switch button 5, a USB module 6, a cigarette lighter module 7, a socket interface 8, an electricity meter 9, and a battery module 10. The DC/DC conversion module 3, the inverter module 4 and the battery module 10 are all mounted at the bottom of the accommodating groove 111 through bolts, and the battery module 10 is mounted at the middle of the housing 11, so that the weight between the two opposite sides of the inverter is balanced. Shift knob 5, USB module 6, cigar lighter module 7, socket interface 8 and the equal fixed mounting of coulometer 9 are on upper plate 121, and USB module 6, cigar lighter module 7 and socket interface 8's interface end all protrudes in upper plate 121, and then be convenient for with the power cord cooperation of other electrical apparatus or electronic product. In this embodiment, the switch buttons 5 are provided in plural, and the plural switches respectively correspond to switches for controlling the circuits of the USB module 6 and the cigarette lighter module 7. Through the ammeter 9, the user can know the current, the voltage and the indicating number of the electric quantity in the inverter at any time.

Further, the DC/DC conversion module 3 can be connected with a vehicle battery or other mobile power supplies as a boosting module to convert low voltage into higher voltage, and can also be connected with a high voltage power supply as a voltage reduction module to convert high voltage into lower voltage, so that the inverter can be applied to different input voltages when in use, and outputs stable voltage.

Referring to fig. 2 and 3, the inverter module 4 is disposed at any one of the side walls close to the accommodating groove 111, and since the heat generated by the inverter module 4 in the operation process is relatively high, the heat dissipation hole 115 is disposed on the side wall close to the inverter module 4, the heat is released to the outside of the accommodating groove 111 through the heat dissipation hole 115, and meanwhile, the cold air outside the accommodating groove 111 can be circularly exchanged with the heat inside the accommodating groove 111 through the heat dissipation hole 115, thereby reducing the risk of damage to the inverter module 4 due to the excessively high heat. The heat dissipation fan 116 is installed on the wall of the accommodating groove 111 with the heat dissipation hole 115 through a bolt, and the arrangement of the heat dissipation fan 116 improves the rate of heat release from the heat dissipation hole 115 to the outside of the accommodating groove 111.

Referring to fig. 2 and 4, the battery module 10 includes a lithium battery pack 101, a battery base plate 102 and a battery holder 103. The lithium battery pack 101 is placed on the battery base plate 102 and matched with the battery fixing frame 103 through the battery base plate 102, and then the lithium battery pack 101 is completely limited and is not prone to shaking.

Specifically, a plurality of hollowed holes are formed in the battery fixing frame 103, so that on one hand, the weight of the battery fixing frame 103 is reduced due to the hollowed holes, and further, the weight of the inverter is reduced; on the other hand, the arrangement of the hollow holes can play a role in heat dissipation, and heat generated by the lithium battery pack 101 can be released through the hollow holes. Meanwhile, the battery holder 103 is bent to form a support leg 1031 for increasing the contact area between the battery holder 103 and the battery bottom plate 102, a holder positioning hole 1032 is formed in the support leg 1031, and a holder positioning post 1021 inserted into the holder positioning hole 1032 is welded on the battery bottom plate 102, so that the battery holder 103 and the battery bottom plate 102 are pre-positioned. In this embodiment, the fixing frame positioning column 1021 is preferably a threaded column, so that the fixing frame positioning column 1021 can be inserted into the fixing frame positioning hole 1032 and then can be fixedly mounted between the battery fixing frame 103 and the battery bottom plate 102 through a nut.

Meanwhile, a bottom plate positioning hole 1022 is formed in the battery bottom plate 102, and a bottom plate positioning column 117 inserted into the bottom plate positioning hole 1022 is fixedly welded at the bottom of the accommodating groove 111, so that the battery module 10 can be positioned and installed at the middle position of the housing 11. In this embodiment, the bottom plate positioning column 117 is preferably a threaded column, so that the bottom plate positioning column 117 can be inserted into the bottom plate positioning hole 1022 and then can be fixedly mounted between the battery bottom plate 102 and the housing 11 through a nut.

It should be noted that the battery module 10 may not be disposed according to actual production and usage, and correspondingly, the bottom plate positioning column 117 is not disposed at the bottom of the accommodating groove 111. In the present embodiment, the battery module 10 is preferably provided.

Referring to fig. 3, the busbar 20 is still installed to the tank bottom of the holding tank 111, the cable of connecting the power supply and the busbar 20 electric connection, and then each module passes through cable and busbar 20 electric connection again, and then makes the line of cable comparatively neat, maintains the circuit when the later stage circuit of being convenient for damages.

The implementation principle of an inverter in the embodiment of the application is as follows: after the lower case 122 is fixed to the mounting plate, the mounting groove 1221 and the through hole 1211 communicate with each other, and the lower case 122 is located at a side of the upper plate 121 close to the bottom of the receiving groove 111, and then the fuse box 2 is mounted in the mounting groove 1221, and then after the inverter is mounted in the trunk of the vehicle, the space occupied by the inverter inside the trunk of the vehicle is reduced to some extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An inverter, characterized by: comprises a shell (1) and a fuse box (2);

the shell (1) comprises a shell (11) and a cover plate (12), wherein one side of the shell (11) is provided with a containing groove (111) for placing an electronic device, and the cover plate (12) is arranged at a notch of the containing groove (111) in a covering manner;

the cover plate (12) comprises an upper plate (121) and a lower shell (122), a through hole (1211) is formed in the upper plate (121), a mounting groove (1221) is formed in one side of the lower shell (122), the lower shell (122) is fixedly mounted on one side, close to the bottom of the accommodating groove (111), of the upper plate (121), the through hole (1211) is communicated with the mounting groove (1221), and the fuse box (2) is mounted in the mounting groove (1221).

2. An inverter according to claim 1, wherein: the device also comprises a DC/DC conversion module (3) which is arranged in the accommodating groove (111) and used for boosting or reducing voltage.

3. An inverter according to claim 1 or 2, wherein: still including install in holding tank (111) and be close to inverter module (4) of holding tank (111) one side cell wall, holding tank (111) are close to seted up louvre (115) on the cell wall of inverter module (4).

4. An inverter according to claim 3, wherein: one side of the accommodating groove (111) provided with the heat dissipation hole (115) is provided with a heat dissipation fan (116) which blows heat generated by the inverter module (4) to the outside of the accommodating groove (111) through the heat dissipation hole (115).

5. An inverter according to claim 1, 2 or 4, wherein: the USB plug is characterized by further comprising a USB module (6), a cigarette lighter module (7) and a socket interface (8) which are arranged on the upper plate (121), and the butt joint sides of the USB module (6), the cigarette lighter module (7) and the socket interface (8) are all protruded out of the upper plate (121).

6. An inverter according to claim 5, wherein: still including set up in battery module (10) at casing (11) middle part, battery module (10) include lithium cell group (101), battery bottom plate (102) and battery mount (103), lithium cell group (101) place in on the bottom plate battery mount (103) install in on the bottom plate.

7. An inverter according to claim 6, wherein: the battery fixing frame (103) is provided with support legs (1031), fixing frame positioning holes (1032) are formed in the support legs (1031), and fixing frame positioning columns (1021) inserted into the fixing frame positioning holes (1032) are arranged on the battery bottom plate (102).

8. An inverter according to claim 6, wherein: the battery bottom plate (102) is provided with a bottom plate positioning hole (1022), and the bottom plate positioning column (117) inserted into the bottom plate positioning hole (1022) is arranged at the bottom of the accommodating groove (111).

9. An inverter according to claim 1, wherein: the shell (1) further comprises a support lug (13), the support lug (13) is detachably mounted on the outer wall of the shell (11), and a fixing hole (131) matched with other parts is formed in the support lug (13).

10. An inverter according to claim 1, wherein: the side wall of the shell (11) is provided with a wire passing hole (113), and a wire protecting ring (114) for protecting the cable is arranged in the wire passing hole (113) in a penetrating way.